13 files changed, 0 insertions(+), 5841 deletions(-)
D Makefile.orig
D Makefile.rej
D config.mk.orig
D config.mk.rej
D hb.c.orig
D hb.c.rej
D st-dynamic-cursor-color-0.8.4.diff
D st.c.orig
D st.c.rej
D st.h.orig
D st.h.rej
D x.c.orig
D x.c.rej
D Makefile.orig => Makefile.orig +0 -65
@@ 1,65 0,0 @@
-# st - simple terminal
-# See LICENSE file for copyright and license details.
-.POSIX:
-
-include config.mk
-
-SRC = st.c x.c boxdraw.c hb.c
-OBJ = $(SRC:.c=.o)
-
-all: options st
-
-options:
- @echo st build options:
- @echo "CFLAGS = $(STCFLAGS)"
- @echo "LDFLAGS = $(STLDFLAGS)"
- @echo "CC = $(CC)"
-
-config.h:
- cp config.def.h config.h
-
-.c.o:
- $(CC) $(STCFLAGS) -c $<
-
-st.o: config.h st.h win.h
-x.o: arg.h config.h st.h win.h hb.h
-hb.o: st.h
-boxdraw.o: config.h st.h boxdraw_data.h
-
-$(OBJ): config.h config.mk
-
-st: $(OBJ)
- $(CC) -o $@ $(OBJ) $(STLDFLAGS)
-
-clean:
- rm -f st $(OBJ) st-$(VERSION).tar.gz *.o *.orig *.rej
-
-dist: clean
- mkdir -p st-$(VERSION)
- cp -R FAQ LEGACY TODO LICENSE Makefile README config.mk\
- config.def.h st.info st.1 arg.h st.h win.h $(SRC)\
- st-$(VERSION)
- tar -cf - st-$(VERSION) | gzip > st-$(VERSION).tar.gz
- rm -rf st-$(VERSION)
-
-install: st
- mkdir -p $(DESTDIR)$(PREFIX)/bin
- cp -f st $(DESTDIR)$(PREFIX)/bin
- cp -f st-copyout $(DESTDIR)$(PREFIX)/bin
- cp -f st-urlhandler $(DESTDIR)$(PREFIX)/bin
- chmod 755 $(DESTDIR)$(PREFIX)/bin/st
- chmod 755 $(DESTDIR)$(PREFIX)/bin/st-copyout
- chmod 755 $(DESTDIR)$(PREFIX)/bin/st-urlhandler
- mkdir -p $(DESTDIR)$(MANPREFIX)/man1
- sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
- chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
- tic -sx st.info
- @echo Please see the README file regarding the terminfo entry of st.
-
-uninstall:
- rm -f $(DESTDIR)$(PREFIX)/bin/st
- rm -f $(DESTDIR)$(PREFIX)/bin/st-copyout
- rm -f $(DESTDIR)$(PREFIX)/bin/st-urlhandler
- rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
-
-.PHONY: all options clean dist install uninstall
D Makefile.rej => Makefile.rej +0 -15
@@ 1,15 0,0 @@
---- Makefile
-+++ Makefile
-@@ -50,9 +50,12 @@ install: st
- chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
- tic -sx st.info
- @echo Please see the README file regarding the terminfo entry of st.
-+ mkdir -p $(DESTDIR)$(PREFIX)/share/applications
-+ cp -f st.desktop $(DESTDIR)$(PREFIX)/share/applications
-
- uninstall:
- rm -f $(DESTDIR)$(PREFIX)/bin/st
- rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
-+ rm -f $(DESTDIR)$(PREFIX)/share/applications/st.desktop
-
- .PHONY: all options clean dist install uninstall
D config.mk.orig => config.mk.orig +0 -41
@@ 1,41 0,0 @@
-# st version
-VERSION = 0.8.2
-
-# Customize below to fit your system
-
-# paths
-PREFIX ?= /usr/local
-MANPREFIX = $(PREFIX)/share/man
-
-X11INC = /usr/include/X11
-X11LIB = /usr/X11LIB/X11
-
-# include X11 in Ubuntu
-# X11INC = /usr/include/X11R6
-# X11LIB = /usr/lib/X11R6
-
-PKG_CONFIG = pkg-config
-
-# includes and libs
-INCS = -I$(X11INC) \
- `$(PKG_CONFIG) --cflags fontconfig` \
- `$(PKG_CONFIG) --cflags freetype2` \
- `$(PKG_CONFIG) --cflags harfbuzz`
-LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft -lXrender\
- `$(PKG_CONFIG) --libs fontconfig` \
- `$(PKG_CONFIG) --libs freetype2` \
- `$(PKG_CONFIG) --libs harfbuzz`
-
-# flags
-STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
-STCFLAGS = $(INCS) $(STCPPFLAGS) $(CPPFLAGS) $(CFLAGS)
-STLDFLAGS = $(LIBS) $(LDFLAGS)
-
-# OpenBSD:
-#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
-#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
-# `pkg-config --libs fontconfig` \
-# `pkg-config --libs freetype2`
-
-# compiler and linker
-# CC = c99
D config.mk.rej => config.mk.rej +0 -17
@@ 1,17 0,0 @@
---- config.mk
-+++ config.mk
-@@ -15,10 +15,12 @@ PKG_CONFIG = pkg-config
- # includes and libs
- INCS = -I$(X11INC) \
- `$(PKG_CONFIG) --cflags fontconfig` \
-- `$(PKG_CONFIG) --cflags freetype2`
-+ `$(PKG_CONFIG) --cflags freetype2` \
-+ `$(PKG_CONFIG) --cflags harfbuzz`
- LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft \
- `$(PKG_CONFIG) --libs fontconfig` \
-- `$(PKG_CONFIG) --libs freetype2`
-+ `$(PKG_CONFIG) --libs freetype2` \
-+ `$(PKG_CONFIG) --libs harfbuzz`
-
- # flags
- STCPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600
D hb.c.orig => hb.c.orig +0 -140
@@ 1,140 0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <X11/Xft/Xft.h>
-#include <hb.h>
-#include <hb-ft.h>
-
-#include "st.h"
-
-void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
-hb_font_t *hbfindfont(XftFont *match);
-
-typedef struct {
- XftFont *match;
- hb_font_t *font;
-} HbFontMatch;
-
-static int hbfontslen = 0;
-static HbFontMatch *hbfontcache = NULL;
-
-void
-hbunloadfonts()
-{
- for (int i = 0; i < hbfontslen; i++) {
- hb_font_destroy(hbfontcache[i].font);
- XftUnlockFace(hbfontcache[i].match);
- }
-
- if (hbfontcache != NULL) {
- free(hbfontcache);
- hbfontcache = NULL;
- }
- hbfontslen = 0;
-}
-
-hb_font_t *
-hbfindfont(XftFont *match)
-{
- for (int i = 0; i < hbfontslen; i++) {
- if (hbfontcache[i].match == match)
- return hbfontcache[i].font;
- }
-
- /* Font not found in cache, caching it now. */
- hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1));
- FT_Face face = XftLockFace(match);
- hb_font_t *font = hb_ft_font_create(face, NULL);
- if (font == NULL)
- die("Failed to load Harfbuzz font.");
-
- hbfontcache[hbfontslen].match = match;
- hbfontcache[hbfontslen].font = font;
- hbfontslen += 1;
-
- return font;
-}
-
-void
-hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
-{
- int start = 0, length = 1, gstart = 0;
- hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
-
- for (int idx = 1, specidx = 1; idx < len; idx++) {
- if (glyphs[idx].mode & ATTR_WDUMMY) {
- length += 1;
- continue;
- }
-
- if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) {
- hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
-
- /* Reset the sequence. */
- length = 1;
- start = specidx;
- gstart = idx;
- } else {
- length += 1;
- }
-
- specidx++;
- }
-
- /* EOL. */
- hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
-
- /* Apply the transformation to glyph specs. */
- for (int i = 0, specidx = 0; i < len; i++) {
- if (glyphs[i].mode & ATTR_WDUMMY)
- continue;
- if (glyphs[i].mode & ATTR_BOXDRAW) {
- specidx++;
- continue;
- }
-
- if (codepoints[i] != specs[specidx].glyph)
- ((Glyph *)glyphs)[i].mode |= ATTR_LIGA;
-
- specs[specidx++].glyph = codepoints[i];
- }
-
- free(codepoints);
-}
-
-void
-hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length)
-{
- hb_font_t *font = hbfindfont(xfont);
- if (font == NULL)
- return;
-
- Rune rune;
- ushort mode = USHRT_MAX;
- hb_buffer_t *buffer = hb_buffer_create();
- hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
-
- /* Fill buffer with codepoints. */
- for (int i = start; i < (start+length); i++) {
- rune = string[i].u;
- mode = string[i].mode;
- if (mode & ATTR_WDUMMY)
- rune = 0x0020;
- hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1);
- }
-
- /* Shape the segment. */
- hb_shape(font, buffer, NULL, 0);
-
- /* Get new glyph info. */
- hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
-
- /* Write new codepoints. */
- for (int i = 0; i < length; i++) {
- hb_codepoint_t gid = info[i].codepoint;
- codepoints[start+i] = gid;
- }
-
- /* Cleanup. */
- hb_buffer_destroy(buffer);
-}
D hb.c.rej => hb.c.rej +0 -139
@@ 1,139 0,0 @@
---- hb.c
-+++ hb.c
-@@ -1,136 +0,0 @@
--#include <stdlib.h>
--#include <stdio.h>
--#include <math.h>
--#include <X11/Xft/Xft.h>
--#include <hb.h>
--#include <hb-ft.h>
--
--#include "st.h"
--
--void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
--hb_font_t *hbfindfont(XftFont *match);
--
--typedef struct {
-- XftFont *match;
-- hb_font_t *font;
--} HbFontMatch;
--
--static int hbfontslen = 0;
--static HbFontMatch *hbfontcache = NULL;
--
--void
--hbunloadfonts()
--{
-- for (int i = 0; i < hbfontslen; i++) {
-- hb_font_destroy(hbfontcache[i].font);
-- XftUnlockFace(hbfontcache[i].match);
-- }
--
-- if (hbfontcache != NULL) {
-- free(hbfontcache);
-- hbfontcache = NULL;
-- }
-- hbfontslen = 0;
--}
--
--hb_font_t *
--hbfindfont(XftFont *match)
--{
-- for (int i = 0; i < hbfontslen; i++) {
-- if (hbfontcache[i].match == match)
-- return hbfontcache[i].font;
-- }
--
-- /* Font not found in cache, caching it now. */
-- hbfontcache = realloc(hbfontcache, sizeof(HbFontMatch) * (hbfontslen + 1));
-- FT_Face face = XftLockFace(match);
-- hb_font_t *font = hb_ft_font_create(face, NULL);
-- if (font == NULL)
-- die("Failed to load Harfbuzz font.");
--
-- hbfontcache[hbfontslen].match = match;
-- hbfontcache[hbfontslen].font = font;
-- hbfontslen += 1;
--
-- return font;
--}
--
--void
--hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
--{
-- int start = 0, length = 1, gstart = 0;
-- hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
--
-- for (int idx = 1, specidx = 1; idx < len; idx++) {
-- if (glyphs[idx].mode & ATTR_WDUMMY) {
-- length += 1;
-- continue;
-- }
--
-- if (specs[specidx].font != specs[start].font || ATTRCMP(glyphs[gstart], glyphs[idx]) || selected(x + idx, y) != selected(x + gstart, y)) {
-- hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
--
-- /* Reset the sequence. */
-- length = 1;
-- start = specidx;
-- gstart = idx;
-- } else {
-- length += 1;
-- }
--
-- specidx++;
-- }
--
-- /* EOL. */
-- hbtransformsegment(specs[start].font, glyphs, codepoints, gstart, length);
--
-- /* Apply the transformation to glyph specs. */
-- for (int i = 0, specidx = 0; i < len; i++) {
-- if (glyphs[i].mode & ATTR_WDUMMY)
-- continue;
--
-- if (codepoints[i] != specs[specidx].glyph)
-- ((Glyph *)glyphs)[i].mode |= ATTR_LIGA;
--
-- specs[specidx++].glyph = codepoints[i];
-- }
--
-- free(codepoints);
--}
--
--void
--hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length)
--{
-- hb_font_t *font = hbfindfont(xfont);
-- if (font == NULL)
-- return;
--
-- Rune rune;
-- ushort mode = USHRT_MAX;
-- hb_buffer_t *buffer = hb_buffer_create();
-- hb_buffer_set_direction(buffer, HB_DIRECTION_LTR);
--
-- /* Fill buffer with codepoints. */
-- for (int i = start; i < (start+length); i++) {
-- rune = string[i].u;
-- mode = string[i].mode;
-- if (mode & ATTR_WDUMMY)
-- rune = 0x0020;
-- hb_buffer_add_codepoints(buffer, &rune, 1, 0, 1);
-- }
--
-- /* Shape the segment. */
-- hb_shape(font, buffer, NULL, 0);
--
-- /* Get new glyph info. */
-- hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);
--
-- /* Write new codepoints. */
-- for (int i = 0; i < length; i++) {
-- hb_codepoint_t gid = info[i].codepoint;
-- codepoints[start+i] = gid;
-- }
--
-- /* Cleanup. */
-- hb_buffer_destroy(buffer);
--}
D st-dynamic-cursor-color-0.8.4.diff => st-dynamic-cursor-color-0.8.4.diff +0 -52
@@ 1,52 0,0 @@
-From 01e706efbc13194a4a4404e91b93a9638a3c1bea Mon Sep 17 00:00:00 2001
-From: Kipras Melnikovas <kipras@kipras.org>
-Date: Thu, 25 Feb 2021 14:31:26 +0200
-Subject: [PATCH] refactor dynamic-cursor-color patch
-
-Signed-off-by: Kipras Melnikovas <kipras@kipras.org>
----
- x.c | 19 +++++++++++++++++--
- 1 file changed, 17 insertions(+), 2 deletions(-)
-
-diff --git a/x.c b/x.c
-index 120e495..ab66364 100644
---- a/x.c
-+++ b/x.c
-@@ -1489,6 +1489,7 @@ void
- xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
- {
- Color drawcol;
-+ XRenderColor colbg;
-
- /* remove the old cursor */
- if (selected(ox, oy))
-@@ -1518,10 +1519,24 @@ xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og)
- g.fg = defaultfg;
- g.bg = defaultrcs;
- } else {
-+ /** this is the main part of the dynamic cursor color patch */
-+ g.bg = g.fg;
- g.fg = defaultbg;
-- g.bg = defaultcs;
- }
-- drawcol = dc.col[g.bg];
-+
-+ /**
-+ * and this is the second part of the dynamic cursor color patch.
-+ * it handles the `drawcol` variable
-+ */
-+ if (IS_TRUECOL(g.bg)) {
-+ colbg.alpha = 0xffff;
-+ colbg.red = TRUERED(g.bg);
-+ colbg.green = TRUEGREEN(g.bg);
-+ colbg.blue = TRUEBLUE(g.bg);
-+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &drawcol);
-+ } else {
-+ drawcol = dc.col[g.bg];
-+ }
- }
-
- /* draw the new one */
---
-2.30.1
-
D st.c.orig => st.c.orig +0 -2786
@@ 1,2786 0,0 @@
-/* See LICENSE for license details. */
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <pwd.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <termios.h>
-#include <time.h>
-#include <unistd.h>
-#include <wchar.h>
-
-#include "st.h"
-#include "win.h"
-
-#if defined(__linux)
- #include <pty.h>
-#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
- #include <util.h>
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
- #include <libutil.h>
-#endif
-
-/* Arbitrary sizes */
-#define UTF_INVALID 0xFFFD
-#define UTF_SIZ 4
-#define ESC_BUF_SIZ (128*UTF_SIZ)
-#define ESC_ARG_SIZ 16
-#define STR_BUF_SIZ ESC_BUF_SIZ
-#define STR_ARG_SIZ ESC_ARG_SIZ
-#define HISTSIZE 2000
-
-/* macros */
-#define IS_SET(flag) ((term.mode & (flag)) != 0)
-#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
-#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
-#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
-#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u) (u && wcschr(worddelimiters, u))
-#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - \
- term.scr + HISTSIZE + 1) % HISTSIZE] : \
- term.line[(y) - term.scr])
-
-#define TLINE_HIST(y) ((y) <= HISTSIZE-term.row+2 ? term.hist[(y)] : term.line[(y-HISTSIZE+term.row-3)])
-
-/* constants */
-#define ISO14755CMD "dmenu -w \"$WINDOWID\" -p codepoint: </dev/null"
-
-enum term_mode {
- MODE_WRAP = 1 << 0,
- MODE_INSERT = 1 << 1,
- MODE_ALTSCREEN = 1 << 2,
- MODE_CRLF = 1 << 3,
- MODE_ECHO = 1 << 4,
- MODE_PRINT = 1 << 5,
- MODE_UTF8 = 1 << 6,
- MODE_SIXEL = 1 << 7,
-};
-
-enum cursor_movement {
- CURSOR_SAVE,
- CURSOR_LOAD
-};
-
-enum cursor_state {
- CURSOR_DEFAULT = 0,
- CURSOR_WRAPNEXT = 1,
- CURSOR_ORIGIN = 2
-};
-
-enum charset {
- CS_GRAPHIC0,
- CS_GRAPHIC1,
- CS_UK,
- CS_USA,
- CS_MULTI,
- CS_GER,
- CS_FIN
-};
-
-enum escape_state {
- ESC_START = 1,
- ESC_CSI = 2,
- ESC_STR = 4, /* OSC, PM, APC */
- ESC_ALTCHARSET = 8,
- ESC_STR_END = 16, /* a final string was encountered */
- ESC_TEST = 32, /* Enter in test mode */
- ESC_UTF8 = 64,
- ESC_DCS =128,
-};
-
-typedef struct {
- Glyph attr; /* current char attributes */
- int x;
- int y;
- char state;
-} TCursor;
-
-typedef struct {
- int mode;
- int type;
- int snap;
- /*
- * Selection variables:
- * nb – normalized coordinates of the beginning of the selection
- * ne – normalized coordinates of the end of the selection
- * ob – original coordinates of the beginning of the selection
- * oe – original coordinates of the end of the selection
- */
- struct {
- int x, y;
- } nb, ne, ob, oe;
-
- int alt;
-} Selection;
-
-/* Internal representation of the screen */
-typedef struct {
- int row; /* nb row */
- int col; /* nb col */
- Line *line; /* screen */
- Line *alt; /* alternate screen */
- Line hist[HISTSIZE]; /* history buffer */
- int histi; /* history index */
- int scr; /* scroll back */
- int *dirty; /* dirtyness of lines */
- TCursor c; /* cursor */
- int ocx; /* old cursor col */
- int ocy; /* old cursor row */
- int top; /* top scroll limit */
- int bot; /* bottom scroll limit */
- int mode; /* terminal mode flags */
- int esc; /* escape state flags */
- char trantbl[4]; /* charset table translation */
- int charset; /* current charset */
- int icharset; /* selected charset for sequence */
- int *tabs;
- struct timespec last_ximspot_update;
-} Term;
-
-/* CSI Escape sequence structs */
-/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
-typedef struct {
- char buf[ESC_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
- char priv;
- int arg[ESC_ARG_SIZ];
- int narg; /* nb of args */
- char mode[2];
-} CSIEscape;
-
-/* STR Escape sequence structs */
-/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
-typedef struct {
- char type; /* ESC type ... */
- char buf[STR_BUF_SIZ]; /* raw string */
- int len; /* raw string length */
- char *args[STR_ARG_SIZ];
- int narg; /* nb of args */
-} STREscape;
-
-static void execsh(char *, char **);
-static void stty(char **);
-static void sigchld(int);
-static void ttywriteraw(const char *, size_t);
-
-static void csidump(void);
-static void csihandle(void);
-static void csiparse(void);
-static void csireset(void);
-static int eschandle(uchar);
-static void strdump(void);
-static void strhandle(void);
-static void strparse(void);
-static void strreset(void);
-
-static void tprinter(char *, size_t);
-static void tdumpsel(void);
-static void tdumpline(int);
-static void tdump(void);
-static void tclearregion(int, int, int, int);
-static void tcursor(int);
-static void tdeletechar(int);
-static void tdeleteline(int);
-static void tinsertblank(int);
-static void tinsertblankline(int);
-static int tlinelen(int);
-static void tmoveto(int, int);
-static void tmoveato(int, int);
-static void tnewline(int);
-static void tputtab(int);
-static void tputc(Rune);
-static void treset(void);
-static void tscrollup(int, int, int);
-static void tscrolldown(int, int, int);
-static void tsetattr(int *, int);
-static void tsetchar(Rune, Glyph *, int, int);
-static void tsetdirt(int, int);
-static void tsetscroll(int, int);
-static void tswapscreen(void);
-static void tsetmode(int, int, int *, int);
-static int twrite(const char *, int, int);
-static void tfulldirt(void);
-static void tcontrolcode(uchar );
-static void tdectest(char );
-static void tdefutf8(char);
-static int32_t tdefcolor(int *, int *, int);
-static void tdeftran(char);
-static void tstrsequence(uchar);
-
-static void drawregion(int, int, int, int);
-
-static void selnormalize(void);
-static void selscroll(int, int);
-static void selsnap(int *, int *, int);
-
-static size_t utf8decode(const char *, Rune *, size_t);
-static Rune utf8decodebyte(char, size_t *);
-static char utf8encodebyte(Rune, size_t);
-static size_t utf8validate(Rune *, size_t);
-
-static char *base64dec(const char *);
-static char base64dec_getc(const char **);
-
-static ssize_t xwrite(int, const char *, size_t);
-
-/* Globals */
-static Term term;
-static Selection sel;
-static CSIEscape csiescseq;
-static STREscape strescseq;
-static int iofd = 1;
-static int cmdfd;
-static pid_t pid;
-
-static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
-static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
-static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
-
-ssize_t
-xwrite(int fd, const char *s, size_t len)
-{
- size_t aux = len;
- ssize_t r;
-
- while (len > 0) {
- r = write(fd, s, len);
- if (r < 0)
- return r;
- len -= r;
- s += r;
- }
-
- return aux;
-}
-
-void *
-xmalloc(size_t len)
-{
- void *p;
-
- if (!(p = malloc(len)))
- die("malloc: %s\n", strerror(errno));
-
- return p;
-}
-
-void *
-xrealloc(void *p, size_t len)
-{
- if ((p = realloc(p, len)) == NULL)
- die("realloc: %s\n", strerror(errno));
-
- return p;
-}
-
-char *
-xstrdup(char *s)
-{
- if ((s = strdup(s)) == NULL)
- die("strdup: %s\n", strerror(errno));
-
- return s;
-}
-
-size_t
-utf8decode(const char *c, Rune *u, size_t clen)
-{
- size_t i, j, len, type;
- Rune udecoded;
-
- *u = UTF_INVALID;
- if (!clen)
- return 0;
- udecoded = utf8decodebyte(c[0], &len);
- if (!BETWEEN(len, 1, UTF_SIZ))
- return 1;
- for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
- udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
- if (type != 0)
- return j;
- }
- if (j < len)
- return 0;
- *u = udecoded;
- utf8validate(u, len);
-
- return len;
-}
-
-Rune
-utf8decodebyte(char c, size_t *i)
-{
- for (*i = 0; *i < LEN(utfmask); ++(*i))
- if (((uchar)c & utfmask[*i]) == utfbyte[*i])
- return (uchar)c & ~utfmask[*i];
-
- return 0;
-}
-
-size_t
-utf8encode(Rune u, char *c)
-{
- size_t len, i;
-
- len = utf8validate(&u, 0);
- if (len > UTF_SIZ)
- return 0;
-
- for (i = len - 1; i != 0; --i) {
- c[i] = utf8encodebyte(u, 0);
- u >>= 6;
- }
- c[0] = utf8encodebyte(u, len);
-
- return len;
-}
-
-char
-utf8encodebyte(Rune u, size_t i)
-{
- return utfbyte[i] | (u & ~utfmask[i]);
-}
-
-size_t
-utf8validate(Rune *u, size_t i)
-{
- if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
- *u = UTF_INVALID;
- for (i = 1; *u > utfmax[i]; ++i)
- ;
-
- return i;
-}
-
-static const char base64_digits[] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
- 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
- 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
- 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-char
-base64dec_getc(const char **src)
-{
- while (**src && !isprint(**src)) (*src)++;
- return *((*src)++);
-}
-
-char *
-base64dec(const char *src)
-{
- size_t in_len = strlen(src);
- char *result, *dst;
-
- if (in_len % 4)
- in_len += 4 - (in_len % 4);
- result = dst = xmalloc(in_len / 4 * 3 + 1);
- while (*src) {
- int a = base64_digits[(unsigned char) base64dec_getc(&src)];
- int b = base64_digits[(unsigned char) base64dec_getc(&src)];
- int c = base64_digits[(unsigned char) base64dec_getc(&src)];
- int d = base64_digits[(unsigned char) base64dec_getc(&src)];
-
- *dst++ = (a << 2) | ((b & 0x30) >> 4);
- if (c == -1)
- break;
- *dst++ = ((b & 0x0f) << 4) | ((c & 0x3c) >> 2);
- if (d == -1)
- break;
- *dst++ = ((c & 0x03) << 6) | d;
- }
- *dst = '\0';
- return result;
-}
-
-void
-selinit(void)
-{
- sel.mode = SEL_IDLE;
- sel.snap = 0;
- sel.ob.x = -1;
-}
-
-int
-tlinelen(int y)
-{
- int i = term.col;
-
- if (TLINE(y)[i - 1].mode & ATTR_WRAP)
- return i;
-
- while (i > 0 && TLINE(y)[i - 1].u == ' ')
- --i;
-
- return i;
-}
-
-int
-tlinehistlen(int y)
-{
- int i = term.col;
-
- if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP)
- return i;
-
- while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ')
- --i;
-
- return i;
-}
-
-void
-selstart(int col, int row, int snap)
-{
- selclear();
- sel.mode = SEL_EMPTY;
- sel.type = SEL_REGULAR;
- sel.alt = IS_SET(MODE_ALTSCREEN);
- sel.snap = snap;
- sel.oe.x = sel.ob.x = col;
- sel.oe.y = sel.ob.y = row;
- selnormalize();
-
- if (sel.snap != 0)
- sel.mode = SEL_READY;
- tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-selextend(int col, int row, int type, int done)
-{
- int oldey, oldex, oldsby, oldsey, oldtype;
-
- if (sel.mode == SEL_IDLE)
- return;
- if (done && sel.mode == SEL_EMPTY) {
- selclear();
- return;
- }
-
- oldey = sel.oe.y;
- oldex = sel.oe.x;
- oldsby = sel.nb.y;
- oldsey = sel.ne.y;
- oldtype = sel.type;
-
- sel.oe.x = col;
- sel.oe.y = row;
- selnormalize();
- sel.type = type;
-
- if (oldey != sel.oe.y || oldex != sel.oe.x || oldtype != sel.type || sel.mode == SEL_EMPTY)
- tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
-
- sel.mode = done ? SEL_IDLE : SEL_READY;
-}
-
-void
-selnormalize(void)
-{
- int i;
-
- if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
- sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
- sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
- } else {
- sel.nb.x = MIN(sel.ob.x, sel.oe.x);
- sel.ne.x = MAX(sel.ob.x, sel.oe.x);
- }
- sel.nb.y = MIN(sel.ob.y, sel.oe.y);
- sel.ne.y = MAX(sel.ob.y, sel.oe.y);
-
- selsnap(&sel.nb.x, &sel.nb.y, -1);
- selsnap(&sel.ne.x, &sel.ne.y, +1);
-
- /* expand selection over line breaks */
- if (sel.type == SEL_RECTANGULAR)
- return;
- i = tlinelen(sel.nb.y);
- if (i < sel.nb.x)
- sel.nb.x = i;
- if (tlinelen(sel.ne.y) <= sel.ne.x)
- sel.ne.x = term.col - 1;
-}
-
-int
-selected(int x, int y)
-{
- if (sel.mode == SEL_EMPTY || sel.ob.x == -1 ||
- sel.alt != IS_SET(MODE_ALTSCREEN))
- return 0;
-
- if (sel.type == SEL_RECTANGULAR)
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && BETWEEN(x, sel.nb.x, sel.ne.x);
-
- return BETWEEN(y, sel.nb.y, sel.ne.y)
- && (y != sel.nb.y || x >= sel.nb.x)
- && (y != sel.ne.y || x <= sel.ne.x);
-}
-
-void
-selsnap(int *x, int *y, int direction)
-{
- int newx, newy, xt, yt;
- int delim, prevdelim;
- Glyph *gp, *prevgp;
-
- switch (sel.snap) {
- case SNAP_WORD:
- /*
- * Snap around if the word wraps around at the end or
- * beginning of a line.
- */
- prevgp = &TLINE(*y)[*x];
- prevdelim = ISDELIM(prevgp->u);
- for (;;) {
- newx = *x + direction;
- newy = *y;
- if (!BETWEEN(newx, 0, term.col - 1)) {
- newy += direction;
- newx = (newx + term.col) % term.col;
- if (!BETWEEN(newy, 0, term.row - 1))
- break;
-
- if (direction > 0)
- yt = *y, xt = *x;
- else
- yt = newy, xt = newx;
- if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- break;
- }
-
- if (newx >= tlinelen(newy))
- break;
-
- gp = &TLINE(newy)[newx];
- delim = ISDELIM(gp->u);
- if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- || (delim && gp->u != prevgp->u)))
- break;
-
- *x = newx;
- *y = newy;
- prevgp = gp;
- prevdelim = delim;
- }
- break;
- case SNAP_LINE:
- /*
- * Snap around if the the previous line or the current one
- * has set ATTR_WRAP at its end. Then the whole next or
- * previous line will be selected.
- */
- *x = (direction < 0) ? 0 : term.col - 1;
- if (direction < 0) {
- for (; *y > 0; *y += direction) {
- if (!(TLINE(*y-1)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- } else if (direction > 0) {
- for (; *y < term.row-1; *y += direction) {
- if (!(TLINE(*y)[term.col-1].mode
- & ATTR_WRAP)) {
- break;
- }
- }
- }
- break;
- }
-}
-
-char *
-getsel(void)
-{
- char *str, *ptr;
- int y, bufsize, lastx, linelen;
- Glyph *gp, *last;
-
- if (sel.ob.x == -1)
- return NULL;
-
- bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
- ptr = str = xmalloc(bufsize);
-
- /* append every set & selected glyph to the selection */
- for (y = sel.nb.y; y <= sel.ne.y; y++) {
- if ((linelen = tlinelen(y)) == 0) {
- *ptr++ = '\n';
- continue;
- }
-
- if (sel.type == SEL_RECTANGULAR) {
- gp = &TLINE(y)[sel.nb.x];
- lastx = sel.ne.x;
- } else {
- gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- }
- last = &TLINE(y)[MIN(lastx, linelen-1)];
- while (last >= gp && last->u == ' ')
- --last;
-
- for ( ; gp <= last; ++gp) {
- if (gp->mode & ATTR_WDUMMY)
- continue;
-
- ptr += utf8encode(gp->u, ptr);
- }
-
- /*
- * Copy and pasting of line endings is inconsistent
- * in the inconsistent terminal and GUI world.
- * The best solution seems like to produce '\n' when
- * something is copied from st and convert '\n' to
- * '\r', when something to be pasted is received by
- * st.
- * FIXME: Fix the computer world.
- */
- if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
- *ptr++ = '\n';
- }
- *ptr = 0;
- return str;
-}
-
-void
-selclear(void)
-{
- if (sel.ob.x == -1)
- return;
- sel.mode = SEL_IDLE;
- sel.ob.x = -1;
- tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-die(const char *errstr, ...)
-{
- va_list ap;
-
- va_start(ap, errstr);
- vfprintf(stderr, errstr, ap);
- va_end(ap);
- exit(1);
-}
-
-void
-execsh(char *cmd, char **args)
-{
- char *sh, *prog;
- const struct passwd *pw;
-
- errno = 0;
- if ((pw = getpwuid(getuid())) == NULL) {
- if (errno)
- die("getpwuid: %s\n", strerror(errno));
- else
- die("who are you?\n");
- }
-
- if ((sh = getenv("SHELL")) == NULL)
- sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
-
- if (args)
- prog = args[0];
- else if (utmp)
- prog = utmp;
- else
- prog = sh;
- DEFAULT(args, ((char *[]) {prog, NULL}));
-
- unsetenv("COLUMNS");
- unsetenv("LINES");
- unsetenv("TERMCAP");
- setenv("LOGNAME", pw->pw_name, 1);
- setenv("USER", pw->pw_name, 1);
- setenv("SHELL", sh, 1);
- setenv("HOME", pw->pw_dir, 1);
- setenv("TERM", termname, 1);
-
- signal(SIGCHLD, SIG_DFL);
- signal(SIGHUP, SIG_DFL);
- signal(SIGINT, SIG_DFL);
- signal(SIGQUIT, SIG_DFL);
- signal(SIGTERM, SIG_DFL);
- signal(SIGALRM, SIG_DFL);
-
- execvp(prog, args);
- _exit(1);
-}
-
-void
-sigchld(int a)
-{
- int stat;
- pid_t p;
-
- if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
- die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
-
- if (pid != p)
- return;
-
- if (WIFEXITED(stat) && WEXITSTATUS(stat))
- die("child exited with status %d\n", WEXITSTATUS(stat));
- else if (WIFSIGNALED(stat))
- die("child terminated due to signal %d\n", WTERMSIG(stat));
- exit(0);
-}
-
-void
-stty(char **args)
-{
- char cmd[_POSIX_ARG_MAX], **p, *q, *s;
- size_t n, siz;
-
- if ((n = strlen(stty_args)) > sizeof(cmd)-1)
- die("incorrect stty parameters\n");
- memcpy(cmd, stty_args, n);
- q = cmd + n;
- siz = sizeof(cmd) - n;
- for (p = args; p && (s = *p); ++p) {
- if ((n = strlen(s)) > siz-1)
- die("stty parameter length too long\n");
- *q++ = ' ';
- memcpy(q, s, n);
- q += n;
- siz -= n + 1;
- }
- *q = '\0';
- if (system(cmd) != 0)
- perror("Couldn't call stty");
-}
-
-int
-ttynew(char *line, char *cmd, char *out, char **args)
-{
- int m, s;
-
- if (out) {
- term.mode |= MODE_PRINT;
- iofd = (!strcmp(out, "-")) ?
- 1 : open(out, O_WRONLY | O_CREAT, 0666);
- if (iofd < 0) {
- fprintf(stderr, "Error opening %s:%s\n",
- out, strerror(errno));
- }
- }
-
- if (line) {
- if ((cmdfd = open(line, O_RDWR)) < 0)
- die("open line '%s' failed: %s\n",
- line, strerror(errno));
- dup2(cmdfd, 0);
- stty(args);
- return cmdfd;
- }
-
- /* seems to work fine on linux, openbsd and freebsd */
- if (openpty(&m, &s, NULL, NULL, NULL) < 0)
- die("openpty failed: %s\n", strerror(errno));
-
- switch (pid = fork()) {
- case -1:
- die("fork failed: %s\n", strerror(errno));
- break;
- case 0:
- close(iofd);
- setsid(); /* create a new process group */
- dup2(s, 0);
- dup2(s, 1);
- dup2(s, 2);
- if (ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
- close(s);
- close(m);
-#ifdef __OpenBSD__
- if (pledge("stdio getpw proc exec", NULL) == -1)
- die("pledge\n");
-#endif
- execsh(cmd, args);
- break;
- default:
-#ifdef __OpenBSD__
- if (pledge("stdio rpath tty proc", NULL) == -1)
- die("pledge\n");
-#endif
- close(s);
- cmdfd = m;
- signal(SIGCHLD, sigchld);
- break;
- }
- return cmdfd;
-}
-
-size_t
-ttyread(void)
-{
- static char buf[BUFSIZ];
- static int buflen = 0;
- int written;
- int ret;
-
- /* append read bytes to unprocessed bytes */
- if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
- die("couldn't read from shell: %s\n", strerror(errno));
- buflen += ret;
-
- written = twrite(buf, buflen, 0);
- buflen -= written;
- /* keep any uncomplete utf8 char for the next call */
- if (buflen > 0)
- memmove(buf, buf + written, buflen);
-
- return ret;
-}
-
-void
-ttywrite(const char *s, size_t n, int may_echo)
-{
- const char *next;
- Arg arg = (Arg) { .i = term.scr };
-
- kscrolldown(&arg);
-
- if (may_echo && IS_SET(MODE_ECHO))
- twrite(s, n, 1);
-
- if (!IS_SET(MODE_CRLF)) {
- ttywriteraw(s, n);
- return;
- }
-
- /* This is similar to how the kernel handles ONLCR for ttys */
- while (n > 0) {
- if (*s == '\r') {
- next = s + 1;
- ttywriteraw("\r\n", 2);
- } else {
- next = memchr(s, '\r', n);
- DEFAULT(next, s + n);
- ttywriteraw(s, next - s);
- }
- n -= next - s;
- s = next;
- }
-}
-
-void
-ttywriteraw(const char *s, size_t n)
-{
- fd_set wfd, rfd;
- ssize_t r;
- size_t lim = 256;
-
- /*
- * Remember that we are using a pty, which might be a modem line.
- * Writing too much will clog the line. That's why we are doing this
- * dance.
- * FIXME: Migrate the world to Plan 9.
- */
- while (n > 0) {
- FD_ZERO(&wfd);
- FD_ZERO(&rfd);
- FD_SET(cmdfd, &wfd);
- FD_SET(cmdfd, &rfd);
-
- /* Check if we can write. */
- if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- if (FD_ISSET(cmdfd, &wfd)) {
- /*
- * Only write the bytes written by ttywrite() or the
- * default of 256. This seems to be a reasonable value
- * for a serial line. Bigger values might clog the I/O.
- */
- if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
- goto write_error;
- if (r < n) {
- /*
- * We weren't able to write out everything.
- * This means the buffer is getting full
- * again. Empty it.
- */
- if (n < lim)
- lim = ttyread();
- n -= r;
- s += r;
- } else {
- /* All bytes have been written. */
- break;
- }
- }
- if (FD_ISSET(cmdfd, &rfd))
- lim = ttyread();
- }
- return;
-
-write_error:
- die("write error on tty: %s\n", strerror(errno));
-}
-
-void
-ttyresize(int tw, int th)
-{
- struct winsize w;
-
- w.ws_row = term.row;
- w.ws_col = term.col;
- w.ws_xpixel = tw;
- w.ws_ypixel = th;
- if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
- fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
-}
-
-void
-ttyhangup()
-{
- /* Send SIGHUP to shell */
- kill(pid, SIGHUP);
-}
-
-int
-tattrset(int attr)
-{
- int i, j;
-
- for (i = 0; i < term.row-1; i++) {
- for (j = 0; j < term.col-1; j++) {
- if (term.line[i][j].mode & attr)
- return 1;
- }
- }
-
- return 0;
-}
-
-void
-tsetdirt(int top, int bot)
-{
- int i;
-
- LIMIT(top, 0, term.row-1);
- LIMIT(bot, 0, term.row-1);
-
- for (i = top; i <= bot; i++)
- term.dirty[i] = 1;
-}
-
-void
-tsetdirtattr(int attr)
-{
- int i, j;
-
- for (i = 0; i < term.row-1; i++) {
- for (j = 0; j < term.col-1; j++) {
- if (term.line[i][j].mode & attr) {
- tsetdirt(i, i);
- break;
- }
- }
- }
-}
-
-void
-tfulldirt(void)
-{
- tsetdirt(0, term.row-1);
-}
-
-void
-tcursor(int mode)
-{
- static TCursor c[2];
- int alt = IS_SET(MODE_ALTSCREEN);
-
- if (mode == CURSOR_SAVE) {
- c[alt] = term.c;
- } else if (mode == CURSOR_LOAD) {
- term.c = c[alt];
- tmoveto(c[alt].x, c[alt].y);
- }
-}
-
-void
-treset(void)
-{
- uint i;
-
- term.c = (TCursor){{
- .mode = ATTR_NULL,
- .fg = defaultfg,
- .bg = defaultbg
- }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
-
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- for (i = tabspaces; i < term.col; i += tabspaces)
- term.tabs[i] = 1;
- term.top = 0;
- term.bot = term.row - 1;
- term.mode = MODE_WRAP|MODE_UTF8;
- memset(term.trantbl, CS_USA, sizeof(term.trantbl));
- term.charset = 0;
-
- for (i = 0; i < 2; i++) {
- tmoveto(0, 0);
- tcursor(CURSOR_SAVE);
- tclearregion(0, 0, term.col-1, term.row-1);
- tswapscreen();
- }
-}
-
-void
-tnew(int col, int row)
-{
- term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
- clock_gettime(CLOCK_MONOTONIC, &term.last_ximspot_update);
- tresize(col, row);
- treset();
-}
-
-int tisaltscr(void)
-{
- return IS_SET(MODE_ALTSCREEN);
-}
-
-void
-tswapscreen(void)
-{
- Line *tmp = term.line;
-
- term.line = term.alt;
- term.alt = tmp;
- term.mode ^= MODE_ALTSCREEN;
- tfulldirt();
-}
-
-void
-kscrolldown(const Arg* a)
-{
- int n = a->i;
-
- if (n < 0)
- n = term.row + n;
-
- if (n > term.scr)
- n = term.scr;
-
- if (term.scr > 0) {
- term.scr -= n;
- selscroll(0, -n);
- tfulldirt();
- }
-}
-
-void
-kscrollup(const Arg* a)
-{
- int n = a->i;
-
- if (n < 0)
- n = term.row + n;
-
- if (term.scr <= HISTSIZE-n) {
- term.scr += n;
- selscroll(0, n);
- tfulldirt();
- }
-}
-
-void
-tscrolldown(int orig, int n, int copyhist)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- if (copyhist) {
- term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
- temp = term.hist[term.histi];
- term.hist[term.histi] = term.line[term.bot];
- term.line[term.bot] = temp;
- }
-
- tsetdirt(orig, term.bot-n);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot);
-
- for (i = term.bot; i >= orig+n; i--) {
- temp = term.line[i];
- term.line[i] = term.line[i-n];
- term.line[i-n] = temp;
- }
-
- selscroll(orig, n);
-}
-
-void
-tscrollup(int orig, int n, int copyhist)
-{
- int i;
- Line temp;
-
- LIMIT(n, 0, term.bot-orig+1);
-
- if (copyhist) {
- term.histi = (term.histi + 1) % HISTSIZE;
- temp = term.hist[term.histi];
- term.hist[term.histi] = term.line[orig];
- term.line[orig] = temp;
- }
-
- if (term.scr > 0 && term.scr < HISTSIZE)
- term.scr = MIN(term.scr + n, HISTSIZE-1);
-
- tclearregion(0, orig, term.col-1, orig+n-1);
- tsetdirt(orig+n, term.bot);
-
- for (i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
- }
-
- selscroll(orig, -n);
-}
-
-void
-selscroll(int orig, int n)
-{
- if (sel.ob.x == -1)
- return;
-
- if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
- if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
- selclear();
- return;
- }
- if (sel.type == SEL_RECTANGULAR) {
- if (sel.ob.y < term.top)
- sel.ob.y = term.top;
- if (sel.oe.y > term.bot)
- sel.oe.y = term.bot;
- } else {
- if (sel.ob.y < term.top) {
- sel.ob.y = term.top;
- sel.ob.x = 0;
- }
- if (sel.oe.y > term.bot) {
- sel.oe.y = term.bot;
- sel.oe.x = term.col;
- }
- }
- selnormalize();
- }
-}
-
-void
-tnewline(int first_col)
-{
- int y = term.c.y;
-
- if (y == term.bot) {
- tscrollup(term.top, 1, 1);
- } else {
- y++;
- }
- tmoveto(first_col ? 0 : term.c.x, y);
-}
-
-void
-csiparse(void)
-{
- char *p = csiescseq.buf, *np;
- long int v;
-
- csiescseq.narg = 0;
- if (*p == '?') {
- csiescseq.priv = 1;
- p++;
- }
-
- csiescseq.buf[csiescseq.len] = '\0';
- while (p < csiescseq.buf+csiescseq.len) {
- np = NULL;
- v = strtol(p, &np, 10);
- if (np == p)
- v = 0;
- if (v == LONG_MAX || v == LONG_MIN)
- v = -1;
- csiescseq.arg[csiescseq.narg++] = v;
- p = np;
- if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
- break;
- p++;
- }
- csiescseq.mode[0] = *p++;
- csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
-}
-
-/* for absolute user moves, when decom is set */
-void
-tmoveato(int x, int y)
-{
- tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
-}
-
-void
-tmoveto(int x, int y)
-{
- int miny, maxy;
-
- if (term.c.state & CURSOR_ORIGIN) {
- miny = term.top;
- maxy = term.bot;
- } else {
- miny = 0;
- maxy = term.row - 1;
- }
- term.c.state &= ~CURSOR_WRAPNEXT;
- term.c.x = LIMIT(x, 0, term.col-1);
- term.c.y = LIMIT(y, miny, maxy);
-}
-
-void
-tsetchar(Rune u, Glyph *attr, int x, int y)
-{
- static char *vt100_0[62] = { /* 0x41 - 0x7e */
- "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
- 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
- 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
- 0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
- "◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
- "", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
- "⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
- "│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
- };
-
- /*
- * The table is proudly stolen from rxvt.
- */
- if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
- BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
- utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
-
- if (term.line[y][x].mode & ATTR_WIDE) {
- if (x+1 < term.col) {
- term.line[y][x+1].u = ' ';
- term.line[y][x+1].mode &= ~ATTR_WDUMMY;
- }
- } else if (term.line[y][x].mode & ATTR_WDUMMY) {
- term.line[y][x-1].u = ' ';
- term.line[y][x-1].mode &= ~ATTR_WIDE;
- }
-
- term.dirty[y] = 1;
- term.line[y][x] = *attr;
- term.line[y][x].u = u;
-
- if (isboxdraw(u))
- term.line[y][x].mode |= ATTR_BOXDRAW;
-}
-
-void
-tclearregion(int x1, int y1, int x2, int y2)
-{
- int x, y, temp;
- Glyph *gp;
-
- if (x1 > x2)
- temp = x1, x1 = x2, x2 = temp;
- if (y1 > y2)
- temp = y1, y1 = y2, y2 = temp;
-
- LIMIT(x1, 0, term.col-1);
- LIMIT(x2, 0, term.col-1);
- LIMIT(y1, 0, term.row-1);
- LIMIT(y2, 0, term.row-1);
-
- for (y = y1; y <= y2; y++) {
- term.dirty[y] = 1;
- for (x = x1; x <= x2; x++) {
- gp = &term.line[y][x];
- if (selected(x, y))
- selclear();
- gp->fg = term.c.attr.fg;
- gp->bg = term.c.attr.bg;
- gp->mode = 0;
- gp->u = ' ';
- }
- }
-}
-
-void
-tdeletechar(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x;
- src = term.c.x + n;
- size = term.col - src;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
-}
-
-void
-tinsertblank(int n)
-{
- int dst, src, size;
- Glyph *line;
-
- LIMIT(n, 0, term.col - term.c.x);
-
- dst = term.c.x + n;
- src = term.c.x;
- size = term.col - dst;
- line = term.line[term.c.y];
-
- memmove(&line[dst], &line[src], size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y);
-}
-
-void
-tinsertblankline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrolldown(term.c.y, n, 0);
-}
-
-void
-tdeleteline(int n)
-{
- if (BETWEEN(term.c.y, term.top, term.bot))
- tscrollup(term.c.y, n, 0);
-}
-
-int32_t
-tdefcolor(int *attr, int *npar, int l)
-{
- int32_t idx = -1;
- uint r, g, b;
-
- switch (attr[*npar + 1]) {
- case 2: /* direct color in RGB space */
- if (*npar + 4 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- r = attr[*npar + 2];
- g = attr[*npar + 3];
- b = attr[*npar + 4];
- *npar += 4;
- if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
- fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
- r, g, b);
- else
- idx = TRUECOLOR(r, g, b);
- break;
- case 5: /* indexed color */
- if (*npar + 2 >= l) {
- fprintf(stderr,
- "erresc(38): Incorrect number of parameters (%d)\n",
- *npar);
- break;
- }
- *npar += 2;
- if (!BETWEEN(attr[*npar], 0, 255))
- fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
- else
- idx = attr[*npar];
- break;
- case 0: /* implemented defined (only foreground) */
- case 1: /* transparent */
- case 3: /* direct color in CMY space */
- case 4: /* direct color in CMYK space */
- default:
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n", attr[*npar]);
- break;
- }
-
- return idx;
-}
-
-void
-tsetattr(int *attr, int l)
-{
- int i;
- int32_t idx;
-
- for (i = 0; i < l; i++) {
- switch (attr[i]) {
- case 0:
- term.c.attr.mode &= ~(
- ATTR_BOLD |
- ATTR_FAINT |
- ATTR_ITALIC |
- ATTR_UNDERLINE |
- ATTR_BLINK |
- ATTR_REVERSE |
- ATTR_INVISIBLE |
- ATTR_STRUCK );
- term.c.attr.fg = defaultfg;
- term.c.attr.bg = defaultbg;
- break;
- case 1:
- term.c.attr.mode |= ATTR_BOLD;
- break;
- case 2:
- term.c.attr.mode |= ATTR_FAINT;
- break;
- case 3:
- term.c.attr.mode |= ATTR_ITALIC;
- break;
- case 4:
- term.c.attr.mode |= ATTR_UNDERLINE;
- break;
- case 5: /* slow blink */
- /* FALLTHROUGH */
- case 6: /* rapid blink */
- term.c.attr.mode |= ATTR_BLINK;
- break;
- case 7:
- term.c.attr.mode |= ATTR_REVERSE;
- break;
- case 8:
- term.c.attr.mode |= ATTR_INVISIBLE;
- break;
- case 9:
- term.c.attr.mode |= ATTR_STRUCK;
- break;
- case 22:
- term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
- break;
- case 23:
- term.c.attr.mode &= ~ATTR_ITALIC;
- break;
- case 24:
- term.c.attr.mode &= ~ATTR_UNDERLINE;
- break;
- case 25:
- term.c.attr.mode &= ~ATTR_BLINK;
- break;
- case 27:
- term.c.attr.mode &= ~ATTR_REVERSE;
- break;
- case 28:
- term.c.attr.mode &= ~ATTR_INVISIBLE;
- break;
- case 29:
- term.c.attr.mode &= ~ATTR_STRUCK;
- break;
- case 38:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.fg = idx;
- break;
- case 39:
- term.c.attr.fg = defaultfg;
- break;
- case 48:
- if ((idx = tdefcolor(attr, &i, l)) >= 0)
- term.c.attr.bg = idx;
- break;
- case 49:
- term.c.attr.bg = defaultbg;
- break;
- default:
- if (BETWEEN(attr[i], 30, 37)) {
- term.c.attr.fg = attr[i] - 30;
- } else if (BETWEEN(attr[i], 40, 47)) {
- term.c.attr.bg = attr[i] - 40;
- } else if (BETWEEN(attr[i], 90, 97)) {
- term.c.attr.fg = attr[i] - 90 + 8;
- } else if (BETWEEN(attr[i], 100, 107)) {
- term.c.attr.bg = attr[i] - 100 + 8;
- } else {
- fprintf(stderr,
- "erresc(default): gfx attr %d unknown\n",
- attr[i]);
- csidump();
- }
- break;
- }
- }
-}
-
-void
-tsetscroll(int t, int b)
-{
- int temp;
-
- LIMIT(t, 0, term.row-1);
- LIMIT(b, 0, term.row-1);
- if (t > b) {
- temp = t;
- t = b;
- b = temp;
- }
- term.top = t;
- term.bot = b;
-}
-
-void
-tsetmode(int priv, int set, int *args, int narg)
-{
- int alt, *lim;
-
- for (lim = args + narg; args < lim; ++args) {
- if (priv) {
- switch (*args) {
- case 1: /* DECCKM -- Cursor key */
- xsetmode(set, MODE_APPCURSOR);
- break;
- case 5: /* DECSCNM -- Reverse video */
- xsetmode(set, MODE_REVERSE);
- break;
- case 6: /* DECOM -- Origin */
- MODBIT(term.c.state, set, CURSOR_ORIGIN);
- tmoveato(0, 0);
- break;
- case 7: /* DECAWM -- Auto wrap */
- MODBIT(term.mode, set, MODE_WRAP);
- break;
- case 0: /* Error (IGNORED) */
- case 2: /* DECANM -- ANSI/VT52 (IGNORED) */
- case 3: /* DECCOLM -- Column (IGNORED) */
- case 4: /* DECSCLM -- Scroll (IGNORED) */
- case 8: /* DECARM -- Auto repeat (IGNORED) */
- case 18: /* DECPFF -- Printer feed (IGNORED) */
- case 19: /* DECPEX -- Printer extent (IGNORED) */
- case 42: /* DECNRCM -- National characters (IGNORED) */
- case 12: /* att610 -- Start blinking cursor (IGNORED) */
- break;
- case 25: /* DECTCEM -- Text Cursor Enable Mode */
- xsetmode(!set, MODE_HIDE);
- break;
- case 9: /* X10 mouse compatibility mode */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEX10);
- break;
- case 1000: /* 1000: report button press */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEBTN);
- break;
- case 1002: /* 1002: report motion on button press */
- xsetpointermotion(0);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEMOTION);
- break;
- case 1003: /* 1003: enable all mouse motions */
- xsetpointermotion(set);
- xsetmode(0, MODE_MOUSE);
- xsetmode(set, MODE_MOUSEMANY);
- break;
- case 1004: /* 1004: send focus events to tty */
- xsetmode(set, MODE_FOCUS);
- break;
- case 1006: /* 1006: extended reporting mode */
- xsetmode(set, MODE_MOUSESGR);
- break;
- case 1034:
- xsetmode(set, MODE_8BIT);
- break;
- case 1049: /* swap screen & set/restore cursor as xterm */
- if (!allowaltscreen)
- break;
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- /* FALLTHROUGH */
- case 47: /* swap screen */
- case 1047:
- if (!allowaltscreen)
- break;
- alt = IS_SET(MODE_ALTSCREEN);
- if (alt) {
- tclearregion(0, 0, term.col-1,
- term.row-1);
- }
- if (set ^ alt) /* set is always 1 or 0 */
- tswapscreen();
- if (*args != 1049)
- break;
- /* FALLTHROUGH */
- case 1048:
- tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
- break;
- case 2004: /* 2004: bracketed paste mode */
- xsetmode(set, MODE_BRCKTPASTE);
- break;
- /* Not implemented mouse modes. See comments there. */
- case 1001: /* mouse highlight mode; can hang the
- terminal by design when implemented. */
- case 1005: /* UTF-8 mouse mode; will confuse
- applications not supporting UTF-8
- and luit. */
- case 1015: /* urxvt mangled mouse mode; incompatible
- and can be mistaken for other control
- codes. */
- break;
- default:
- fprintf(stderr,
- "erresc: unknown private set/reset mode %d\n",
- *args);
- break;
- }
- } else {
- switch (*args) {
- case 0: /* Error (IGNORED) */
- break;
- case 2:
- xsetmode(set, MODE_KBDLOCK);
- break;
- case 4: /* IRM -- Insertion-replacement */
- MODBIT(term.mode, set, MODE_INSERT);
- break;
- case 12: /* SRM -- Send/Receive */
- MODBIT(term.mode, !set, MODE_ECHO);
- break;
- case 20: /* LNM -- Linefeed/new line */
- MODBIT(term.mode, set, MODE_CRLF);
- break;
- default:
- fprintf(stderr,
- "erresc: unknown set/reset mode %d\n",
- *args);
- break;
- }
- }
- }
-}
-
-void
-csihandle(void)
-{
- char buf[40];
- int len;
-
- switch (csiescseq.mode[0]) {
- default:
- unknown:
- fprintf(stderr, "erresc: unknown csi ");
- csidump();
- /* die(""); */
- break;
- case '@': /* ICH -- Insert <n> blank char */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblank(csiescseq.arg[0]);
- break;
- case 'A': /* CUU -- Cursor <n> Up */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
- break;
- case 'B': /* CUD -- Cursor <n> Down */
- case 'e': /* VPR --Cursor <n> Down */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
- break;
- case 'i': /* MC -- Media Copy */
- switch (csiescseq.arg[0]) {
- case 0:
- tdump();
- break;
- case 1:
- tdumpline(term.c.y);
- break;
- case 2:
- tdumpsel();
- break;
- case 4:
- term.mode &= ~MODE_PRINT;
- break;
- case 5:
- term.mode |= MODE_PRINT;
- break;
- }
- break;
- case 'c': /* DA -- Device Attributes */
- if (csiescseq.arg[0] == 0)
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 'C': /* CUF -- Cursor <n> Forward */
- case 'a': /* HPR -- Cursor <n> Forward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
- break;
- case 'D': /* CUB -- Cursor <n> Backward */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
- break;
- case 'E': /* CNL -- Cursor <n> Down and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y+csiescseq.arg[0]);
- break;
- case 'F': /* CPL -- Cursor <n> Up and first col */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(0, term.c.y-csiescseq.arg[0]);
- break;
- case 'g': /* TBC -- Tabulation clear */
- switch (csiescseq.arg[0]) {
- case 0: /* clear current tab stop */
- term.tabs[term.c.x] = 0;
- break;
- case 3: /* clear all the tabs */
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- break;
- default:
- goto unknown;
- }
- break;
- case 'G': /* CHA -- Move to <col> */
- case '`': /* HPA */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveto(csiescseq.arg[0]-1, term.c.y);
- break;
- case 'H': /* CUP -- Move to <row> <col> */
- case 'f': /* HVP */
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], 1);
- tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
- break;
- case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(csiescseq.arg[0]);
- break;
- case 'J': /* ED -- Clear screen */
- switch (csiescseq.arg[0]) {
- case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- if (term.c.y < term.row-1) {
- tclearregion(0, term.c.y+1, term.col-1,
- term.row-1);
- }
- break;
- case 1: /* above */
- if (term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1);
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, 0, term.col-1, term.row-1);
- break;
- default:
- goto unknown;
- }
- break;
- case 'K': /* EL -- Clear line */
- switch (csiescseq.arg[0]) {
- case 0: /* right */
- tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y);
- break;
- case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y);
- break;
- case 2: /* all */
- tclearregion(0, term.c.y, term.col-1, term.c.y);
- break;
- }
- break;
- case 'S': /* SU -- Scroll <n> line up */
- DEFAULT(csiescseq.arg[0], 1);
- tscrollup(term.top, csiescseq.arg[0], 0);
- break;
- case 'T': /* SD -- Scroll <n> line down */
- DEFAULT(csiescseq.arg[0], 1);
- tscrolldown(term.top, csiescseq.arg[0], 0);
- break;
- case 'L': /* IL -- Insert <n> blank lines */
- DEFAULT(csiescseq.arg[0], 1);
- tinsertblankline(csiescseq.arg[0]);
- break;
- case 'l': /* RM -- Reset Mode */
- tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
- break;
- case 'M': /* DL -- Delete <n> lines */
- DEFAULT(csiescseq.arg[0], 1);
- tdeleteline(csiescseq.arg[0]);
- break;
- case 'X': /* ECH -- Erase <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tclearregion(term.c.x, term.c.y,
- term.c.x + csiescseq.arg[0] - 1, term.c.y);
- break;
- case 'P': /* DCH -- Delete <n> char */
- DEFAULT(csiescseq.arg[0], 1);
- tdeletechar(csiescseq.arg[0]);
- break;
- case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
- DEFAULT(csiescseq.arg[0], 1);
- tputtab(-csiescseq.arg[0]);
- break;
- case 'd': /* VPA -- Move to <row> */
- DEFAULT(csiescseq.arg[0], 1);
- tmoveato(term.c.x, csiescseq.arg[0]-1);
- break;
- case 'h': /* SM -- Set terminal mode */
- tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
- break;
- case 'm': /* SGR -- Terminal attribute (color) */
- tsetattr(csiescseq.arg, csiescseq.narg);
- break;
- case 'n': /* DSR – Device Status Report (cursor position) */
- if (csiescseq.arg[0] == 6) {
- len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
- term.c.y+1, term.c.x+1);
- ttywrite(buf, len, 0);
- }
- break;
- case 'r': /* DECSTBM -- Set Scrolling Region */
- if (csiescseq.priv) {
- goto unknown;
- } else {
- DEFAULT(csiescseq.arg[0], 1);
- DEFAULT(csiescseq.arg[1], term.row);
- tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
- tmoveato(0, 0);
- }
- break;
- case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
- tcursor(CURSOR_SAVE);
- break;
- case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
- tcursor(CURSOR_LOAD);
- break;
- case ' ':
- switch (csiescseq.mode[1]) {
- case 'q': /* DECSCUSR -- Set Cursor Style */
- if (xsetcursor(csiescseq.arg[0]))
- goto unknown;
- break;
- default:
- goto unknown;
- }
- break;
- }
-}
-
-void
-csidump(void)
-{
- int i;
- uint c;
-
- fprintf(stderr, "ESC[");
- for (i = 0; i < csiescseq.len; i++) {
- c = csiescseq.buf[i] & 0xff;
- if (isprint(c)) {
- putc(c, stderr);
- } else if (c == '\n') {
- fprintf(stderr, "(\\n)");
- } else if (c == '\r') {
- fprintf(stderr, "(\\r)");
- } else if (c == 0x1b) {
- fprintf(stderr, "(\\e)");
- } else {
- fprintf(stderr, "(%02x)", c);
- }
- }
- putc('\n', stderr);
-}
-
-void
-csireset(void)
-{
- memset(&csiescseq, 0, sizeof(csiescseq));
-}
-
-void
-strhandle(void)
-{
- char *p = NULL, *dec;
- int j, narg, par;
-
- term.esc &= ~(ESC_STR_END|ESC_STR);
- strparse();
- par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
-
- switch (strescseq.type) {
- case ']': /* OSC -- Operating System Command */
- switch (par) {
- case 0:
- case 1:
- case 2:
- if (narg > 1)
- xsettitle(strescseq.args[1]);
- return;
- case 52:
- if (narg > 2) {
- dec = base64dec(strescseq.args[2]);
- if (dec) {
- xsetsel(dec);
- xclipcopy();
- } else {
- fprintf(stderr, "erresc: invalid base64\n");
- }
- }
- return;
- case 4: /* color set */
- case 10: /* foreground set */
- case 11: /* background set */
- case 12: /* cursor color */
- if ((par == 4 && narg < 3) || narg < 2)
- break;
- p = strescseq.args[((par == 4) ? 2 : 1)];
- /* FALLTHROUGH */
- case 104: /* color reset, here p = NULL */
- if (par == 10)
- j = defaultfg;
- else if (par == 11)
- j = defaultbg;
- else if (par == 12)
- j = defaultcs;
- else
- j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
-
- if (xsetcolorname(j, p)) {
- if (par == 104 && narg <= 1)
- return; /* color reset without parameter */
- fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
- j, p ? p : "(null)");
- } else {
- /*
- * TODO if defaultbg color is changed, borders
- * are dirty
- */
- if (j == defaultbg)
- xclearwin();
- redraw();
- }
- return;
- }
- break;
- case 'k': /* old title set compatibility */
- xsettitle(strescseq.args[0]);
- return;
- case 'P': /* DCS -- Device Control String */
- term.mode |= ESC_DCS;
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- return;
- }
-
- fprintf(stderr, "erresc: unknown str ");
- strdump();
-}
-
-void
-strparse(void)
-{
- int c;
- char *p = strescseq.buf;
-
- strescseq.narg = 0;
- strescseq.buf[strescseq.len] = '\0';
-
- if (*p == '\0')
- return;
-
- while (strescseq.narg < STR_ARG_SIZ) {
- strescseq.args[strescseq.narg++] = p;
- while ((c = *p) != ';' && c != '\0')
- ++p;
- if (c == '\0')
- return;
- *p++ = '\0';
- }
-}
-
-void
-strdump(void)
-{
- int i;
- uint c;
-
- fprintf(stderr, "ESC%c", strescseq.type);
- for (i = 0; i < strescseq.len; i++) {
- c = strescseq.buf[i] & 0xff;
- if (c == '\0') {
- putc('\n', stderr);
- return;
- } else if (isprint(c)) {
- putc(c, stderr);
- } else if (c == '\n') {
- fprintf(stderr, "(\\n)");
- } else if (c == '\r') {
- fprintf(stderr, "(\\r)");
- } else if (c == 0x1b) {
- fprintf(stderr, "(\\e)");
- } else {
- fprintf(stderr, "(%02x)", c);
- }
- }
- fprintf(stderr, "ESC\\\n");
-}
-
-void
-strreset(void)
-{
- memset(&strescseq, 0, sizeof(strescseq));
-}
-
-void
-sendbreak(const Arg *arg)
-{
- if (tcsendbreak(cmdfd, 0))
- perror("Error sending break");
-}
-
-void
-tprinter(char *s, size_t len)
-{
- if (iofd != -1 && xwrite(iofd, s, len) < 0) {
- perror("Error writing to output file");
- close(iofd);
- iofd = -1;
- }
-}
-
-void
-externalpipe(const Arg *arg)
-{
- int to[2];
- char buf[UTF_SIZ];
- void (*oldsigpipe)(int);
- Glyph *bp, *end;
- int lastpos, n, newline;
-
- if (pipe(to) == -1)
- return;
-
- switch (fork()) {
- case -1:
- close(to[0]);
- close(to[1]);
- return;
- case 0:
- dup2(to[0], STDIN_FILENO);
- close(to[0]);
- close(to[1]);
- execvp(((char **)arg->v)[0], (char **)arg->v);
- fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
- perror("failed");
- exit(0);
- }
-
- close(to[0]);
- /* ignore sigpipe for now, in case child exists early */
- oldsigpipe = signal(SIGPIPE, SIG_IGN);
- newline = 0;
- /* modify externalpipe patch to pipe history too */
- for (n = 0; n <= HISTSIZE + 2; n++) {
- bp = TLINE_HIST(n);
- lastpos = MIN(tlinehistlen(n) +1, term.col) - 1;
- if (lastpos < 0)
- break;
- if (lastpos == 0)
- continue;
- end = &bp[lastpos + 1];
- for (; bp < end; ++bp)
- if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
- break;
- if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP))
- continue;
- if (xwrite(to[1], "\n", 1) < 0)
- break;
- newline = 0;
- }
- if (newline)
- (void)xwrite(to[1], "\n", 1);
- close(to[1]);
- /* restore */
- signal(SIGPIPE, oldsigpipe);
-}
-
-void
-iso14755(const Arg *arg)
-{
- FILE *p;
- char *us, *e, codepoint[9], uc[UTF_SIZ];
- unsigned long utf32;
-
- if (!(p = popen(ISO14755CMD, "r")))
- return;
-
- us = fgets(codepoint, sizeof(codepoint), p);
- pclose(p);
-
- if (!us || *us == '\0' || *us == '-' || strlen(us) > 7)
- return;
- if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX ||
- (*e != '\n' && *e != '\0'))
- return;
-
- ttywrite(uc, utf8encode(utf32, uc), 1);
-}
-
-void
-toggleprinter(const Arg *arg)
-{
- term.mode ^= MODE_PRINT;
-}
-
-void
-printscreen(const Arg *arg)
-{
- tdump();
-}
-
-void
-printsel(const Arg *arg)
-{
- tdumpsel();
-}
-
-void
-tdumpsel(void)
-{
- char *ptr;
-
- if ((ptr = getsel())) {
- tprinter(ptr, strlen(ptr));
- free(ptr);
- }
-}
-
-void
-tdumpline(int n)
-{
- char buf[UTF_SIZ];
- Glyph *bp, *end;
-
- bp = &term.line[n][0];
- end = &bp[MIN(tlinelen(n), term.col) - 1];
- if (bp != end || bp->u != ' ') {
- for ( ;bp <= end; ++bp)
- tprinter(buf, utf8encode(bp->u, buf));
- }
- tprinter("\n", 1);
-}
-
-void
-tdump(void)
-{
- int i;
-
- for (i = 0; i < term.row; ++i)
- tdumpline(i);
-}
-
-void
-tputtab(int n)
-{
- uint x = term.c.x;
-
- if (n > 0) {
- while (x < term.col && n--)
- for (++x; x < term.col && !term.tabs[x]; ++x)
- /* nothing */ ;
- } else if (n < 0) {
- while (x > 0 && n++)
- for (--x; x > 0 && !term.tabs[x]; --x)
- /* nothing */ ;
- }
- term.c.x = LIMIT(x, 0, term.col-1);
-}
-
-void
-tdefutf8(char ascii)
-{
- if (ascii == 'G')
- term.mode |= MODE_UTF8;
- else if (ascii == '@')
- term.mode &= ~MODE_UTF8;
-}
-
-void
-tdeftran(char ascii)
-{
- static char cs[] = "0B";
- static int vcs[] = {CS_GRAPHIC0, CS_USA};
- char *p;
-
- if ((p = strchr(cs, ascii)) == NULL) {
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- } else {
- term.trantbl[term.icharset] = vcs[p - cs];
- }
-}
-
-void
-tdectest(char c)
-{
- int x, y;
-
- if (c == '8') { /* DEC screen alignment test. */
- for (x = 0; x < term.col; ++x) {
- for (y = 0; y < term.row; ++y)
- tsetchar('E', &term.c.attr, x, y);
- }
- }
-}
-
-void
-tstrsequence(uchar c)
-{
- strreset();
-
- switch (c) {
- case 0x90: /* DCS -- Device Control String */
- c = 'P';
- term.esc |= ESC_DCS;
- break;
- case 0x9f: /* APC -- Application Program Command */
- c = '_';
- break;
- case 0x9e: /* PM -- Privacy Message */
- c = '^';
- break;
- case 0x9d: /* OSC -- Operating System Command */
- c = ']';
- break;
- }
- strescseq.type = c;
- term.esc |= ESC_STR;
-}
-
-void
-tcontrolcode(uchar ascii)
-{
- switch (ascii) {
- case '\t': /* HT */
- tputtab(1);
- return;
- case '\b': /* BS */
- tmoveto(term.c.x-1, term.c.y);
- return;
- case '\r': /* CR */
- tmoveto(0, term.c.y);
- return;
- case '\f': /* LF */
- case '\v': /* VT */
- case '\n': /* LF */
- /* go to first col if the mode is set */
- tnewline(IS_SET(MODE_CRLF));
- return;
- case '\a': /* BEL */
- if (term.esc & ESC_STR_END) {
- /* backwards compatibility to xterm */
- strhandle();
- } else {
- xbell();
- }
- break;
- case '\033': /* ESC */
- csireset();
- term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
- term.esc |= ESC_START;
- return;
- case '\016': /* SO (LS1 -- Locking shift 1) */
- case '\017': /* SI (LS0 -- Locking shift 0) */
- term.charset = 1 - (ascii - '\016');
- return;
- case '\032': /* SUB */
- tsetchar('?', &term.c.attr, term.c.x, term.c.y);
- case '\030': /* CAN */
- csireset();
- break;
- case '\005': /* ENQ (IGNORED) */
- case '\000': /* NUL (IGNORED) */
- case '\021': /* XON (IGNORED) */
- case '\023': /* XOFF (IGNORED) */
- case 0177: /* DEL (IGNORED) */
- return;
- case 0x80: /* TODO: PAD */
- case 0x81: /* TODO: HOP */
- case 0x82: /* TODO: BPH */
- case 0x83: /* TODO: NBH */
- case 0x84: /* TODO: IND */
- break;
- case 0x85: /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 0x86: /* TODO: SSA */
- case 0x87: /* TODO: ESA */
- break;
- case 0x88: /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 0x89: /* TODO: HTJ */
- case 0x8a: /* TODO: VTS */
- case 0x8b: /* TODO: PLD */
- case 0x8c: /* TODO: PLU */
- case 0x8d: /* TODO: RI */
- case 0x8e: /* TODO: SS2 */
- case 0x8f: /* TODO: SS3 */
- case 0x91: /* TODO: PU1 */
- case 0x92: /* TODO: PU2 */
- case 0x93: /* TODO: STS */
- case 0x94: /* TODO: CCH */
- case 0x95: /* TODO: MW */
- case 0x96: /* TODO: SPA */
- case 0x97: /* TODO: EPA */
- case 0x98: /* TODO: SOS */
- case 0x99: /* TODO: SGCI */
- break;
- case 0x9a: /* DECID -- Identify Terminal */
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 0x9b: /* TODO: CSI */
- case 0x9c: /* TODO: ST */
- break;
- case 0x90: /* DCS -- Device Control String */
- case 0x9d: /* OSC -- Operating System Command */
- case 0x9e: /* PM -- Privacy Message */
- case 0x9f: /* APC -- Application Program Command */
- tstrsequence(ascii);
- return;
- }
- /* only CAN, SUB, \a and C1 chars interrupt a sequence */
- term.esc &= ~(ESC_STR_END|ESC_STR);
-}
-
-/*
- * returns 1 when the sequence is finished and it hasn't to read
- * more characters for this sequence, otherwise 0
- */
-int
-eschandle(uchar ascii)
-{
- switch (ascii) {
- case '[':
- term.esc |= ESC_CSI;
- return 0;
- case '#':
- term.esc |= ESC_TEST;
- return 0;
- case '%':
- term.esc |= ESC_UTF8;
- return 0;
- case 'P': /* DCS -- Device Control String */
- case '_': /* APC -- Application Program Command */
- case '^': /* PM -- Privacy Message */
- case ']': /* OSC -- Operating System Command */
- case 'k': /* old title set compatibility */
- tstrsequence(ascii);
- return 0;
- case 'n': /* LS2 -- Locking shift 2 */
- case 'o': /* LS3 -- Locking shift 3 */
- term.charset = 2 + (ascii - 'n');
- break;
- case '(': /* GZD4 -- set primary charset G0 */
- case ')': /* G1D4 -- set secondary charset G1 */
- case '*': /* G2D4 -- set tertiary charset G2 */
- case '+': /* G3D4 -- set quaternary charset G3 */
- term.icharset = ascii - '(';
- term.esc |= ESC_ALTCHARSET;
- return 0;
- case 'D': /* IND -- Linefeed */
- if (term.c.y == term.bot) {
- tscrollup(term.top, 1, 1);
- } else {
- tmoveto(term.c.x, term.c.y+1);
- }
- break;
- case 'E': /* NEL -- Next line */
- tnewline(1); /* always go to first col */
- break;
- case 'H': /* HTS -- Horizontal tab stop */
- term.tabs[term.c.x] = 1;
- break;
- case 'M': /* RI -- Reverse index */
- if (term.c.y == term.top) {
- tscrolldown(term.top, 1, 1);
- } else {
- tmoveto(term.c.x, term.c.y-1);
- }
- break;
- case 'Z': /* DECID -- Identify Terminal */
- ttywrite(vtiden, strlen(vtiden), 0);
- break;
- case 'c': /* RIS -- Reset to initial state */
- treset();
- resettitle();
- xloadcols();
- break;
- case '=': /* DECPAM -- Application keypad */
- xsetmode(1, MODE_APPKEYPAD);
- break;
- case '>': /* DECPNM -- Normal keypad */
- xsetmode(0, MODE_APPKEYPAD);
- break;
- case '7': /* DECSC -- Save Cursor */
- tcursor(CURSOR_SAVE);
- break;
- case '8': /* DECRC -- Restore Cursor */
- tcursor(CURSOR_LOAD);
- break;
- case '\\': /* ST -- String Terminator */
- if (term.esc & ESC_STR_END)
- strhandle();
- break;
- default:
- fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
- (uchar) ascii, isprint(ascii)? ascii:'.');
- break;
- }
- return 1;
-}
-
-void
-tputc(Rune u)
-{
- char c[UTF_SIZ];
- int control;
- int width, len;
- Glyph *gp;
-
- control = ISCONTROL(u);
- if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
- c[0] = u;
- width = len = 1;
- } else {
- len = utf8encode(u, c);
- if (!control && (width = wcwidth(u)) == -1) {
- memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
- width = 1;
- }
- }
-
- if (IS_SET(MODE_PRINT))
- tprinter(c, len);
-
- /*
- * STR sequence must be checked before anything else
- * because it uses all following characters until it
- * receives a ESC, a SUB, a ST or any other C1 control
- * character.
- */
- if (term.esc & ESC_STR) {
- if (u == '\a' || u == 030 || u == 032 || u == 033 ||
- ISCONTROLC1(u)) {
- term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
- if (IS_SET(MODE_SIXEL)) {
- /* TODO: render sixel */;
- term.mode &= ~MODE_SIXEL;
- return;
- }
- term.esc |= ESC_STR_END;
- goto check_control_code;
- }
-
- if (IS_SET(MODE_SIXEL)) {
- /* TODO: implement sixel mode */
- return;
- }
- if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
- term.mode |= MODE_SIXEL;
-
- if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
- /*
- * Here is a bug in terminals. If the user never sends
- * some code to stop the str or esc command, then st
- * will stop responding. But this is better than
- * silently failing with unknown characters. At least
- * then users will report back.
- *
- * In the case users ever get fixed, here is the code:
- */
- /*
- * term.esc = 0;
- * strhandle();
- */
- return;
- }
-
- memmove(&strescseq.buf[strescseq.len], c, len);
- strescseq.len += len;
- return;
- }
-
-check_control_code:
- /*
- * Actions of control codes must be performed as soon they arrive
- * because they can be embedded inside a control sequence, and
- * they must not cause conflicts with sequences.
- */
- if (control) {
- tcontrolcode(u);
- /*
- * control codes are not shown ever
- */
- return;
- } else if (term.esc & ESC_START) {
- if (term.esc & ESC_CSI) {
- csiescseq.buf[csiescseq.len++] = u;
- if (BETWEEN(u, 0x40, 0x7E)
- || csiescseq.len >= \
- sizeof(csiescseq.buf)-1) {
- term.esc = 0;
- csiparse();
- csihandle();
- }
- return;
- } else if (term.esc & ESC_UTF8) {
- tdefutf8(u);
- } else if (term.esc & ESC_ALTCHARSET) {
- tdeftran(u);
- } else if (term.esc & ESC_TEST) {
- tdectest(u);
- } else {
- if (!eschandle(u))
- return;
- /* sequence already finished */
- }
- term.esc = 0;
- /*
- * All characters which form part of a sequence are not
- * printed
- */
- return;
- }
- if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
- selclear();
-
- gp = &term.line[term.c.y][term.c.x];
- if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
- gp->mode |= ATTR_WRAP;
- tnewline(1);
- gp = &term.line[term.c.y][term.c.x];
- }
-
- if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
- memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
-
- if (term.c.x+width > term.col) {
- tnewline(1);
- gp = &term.line[term.c.y][term.c.x];
- }
-
- tsetchar(u, &term.c.attr, term.c.x, term.c.y);
-
- if (width == 2) {
- gp->mode |= ATTR_WIDE;
- if (term.c.x+1 < term.col) {
- gp[1].u = '\0';
- gp[1].mode = ATTR_WDUMMY;
- }
- }
- if (term.c.x+width < term.col) {
- tmoveto(term.c.x+width, term.c.y);
- } else {
- term.c.state |= CURSOR_WRAPNEXT;
- }
-}
-
-int
-twrite(const char *buf, int buflen, int show_ctrl)
-{
- int charsize;
- Rune u;
- int n;
-
- for (n = 0; n < buflen; n += charsize) {
- if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
- /* process a complete utf8 char */
- charsize = utf8decode(buf + n, &u, buflen - n);
- if (charsize == 0)
- break;
- } else {
- u = buf[n] & 0xFF;
- charsize = 1;
- }
- if (show_ctrl && ISCONTROL(u)) {
- if (u & 0x80) {
- u &= 0x7f;
- tputc('^');
- tputc('[');
- } else if (u != '\n' && u != '\r' && u != '\t') {
- u ^= 0x40;
- tputc('^');
- }
- }
- tputc(u);
- }
- return n;
-}
-
-void
-tresize(int col, int row)
-{
- int i, j;
- int minrow = MIN(row, term.row);
- int mincol = MIN(col, term.col);
- int *bp;
- TCursor c;
-
- if (col < 1 || row < 1) {
- fprintf(stderr,
- "tresize: error resizing to %dx%d\n", col, row);
- return;
- }
-
- /*
- * slide screen to keep cursor where we expect it -
- * tscrollup would work here, but we can optimize to
- * memmove because we're freeing the earlier lines
- */
- for (i = 0; i <= term.c.y - row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
- /* ensure that both src and dst are not NULL */
- if (i > 0) {
- memmove(term.line, term.line + i, row * sizeof(Line));
- memmove(term.alt, term.alt + i, row * sizeof(Line));
- }
- for (i += row; i < term.row; i++) {
- free(term.line[i]);
- free(term.alt[i]);
- }
-
- /* resize to new height */
- term.line = xrealloc(term.line, row * sizeof(Line));
- term.alt = xrealloc(term.alt, row * sizeof(Line));
- term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
-
- for (i = 0; i < HISTSIZE; i++) {
- term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
- for (j = mincol; j < col; j++) {
- term.hist[i][j] = term.c.attr;
- term.hist[i][j].u = ' ';
- }
- }
-
- /* resize each row to new width, zero-pad if needed */
- for (i = 0; i < minrow; i++) {
- term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
- term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
- }
-
- /* allocate any new rows */
- for (/* i = minrow */; i < row; i++) {
- term.line[i] = xmalloc(col * sizeof(Glyph));
- term.alt[i] = xmalloc(col * sizeof(Glyph));
- }
- if (col > term.col) {
- bp = term.tabs + term.col;
-
- memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
- while (--bp > term.tabs && !*bp)
- /* nothing */ ;
- for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
- *bp = 1;
- }
- /* update terminal size */
- term.col = col;
- term.row = row;
- /* reset scrolling region */
- tsetscroll(0, row-1);
- /* make use of the LIMIT in tmoveto */
- tmoveto(term.c.x, term.c.y);
- /* Clearing both screens (it makes dirty all lines) */
- c = term.c;
- for (i = 0; i < 2; i++) {
- if (mincol < col && 0 < minrow) {
- tclearregion(mincol, 0, col - 1, minrow - 1);
- }
- if (0 < col && minrow < row) {
- tclearregion(0, minrow, col - 1, row - 1);
- }
- tswapscreen();
- tcursor(CURSOR_LOAD);
- }
- term.c = c;
-}
-
-void
-resettitle(void)
-{
- xsettitle(NULL);
-}
-
-void
-drawregion(int x1, int y1, int x2, int y2)
-{
- int y;
- for (y = y1; y < y2; y++) {
- if (!term.dirty[y])
- continue;
-
- term.dirty[y] = 0;
- xdrawline(TLINE(y), x1, y, x2);
- }
-}
-
-void
-draw(void)
-{
- int cx = term.c.x;
-
- if (!xstartdraw())
- return;
-
- /* adjust cursor position */
- LIMIT(term.ocx, 0, term.col-1);
- LIMIT(term.ocy, 0, term.row-1);
- if (term.line[term.ocy][term.ocx].mode & ATTR_WDUMMY)
- term.ocx--;
- if (term.line[term.c.y][cx].mode & ATTR_WDUMMY)
- cx--;
-
- drawregion(0, 0, term.col, term.row);
- if (term.scr == 0)
- xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
- term.ocx, term.ocy, term.line[term.ocy][term.ocx],
- term.line[term.ocy], term.col);
- term.ocx = cx, term.ocy = term.c.y;
- xfinishdraw();
-
- struct timespec now;
- clock_gettime(CLOCK_MONOTONIC, &now);
- if (ximspot_update_interval && TIMEDIFF(now, term.last_ximspot_update) > ximspot_update_interval) {
- xximspot(term.ocx, term.ocy);
- term.last_ximspot_update = now;
- }
-}
-
-void
-redraw(void)
-{
- tfulldirt();
- draw();
-}
D st.c.rej => st.c.rej +0 -12
@@ 1,12 0,0 @@
---- st.c
-+++ st.c
-@@ -2585,7 +2585,8 @@ draw(void)
-
- drawregion(0, 0, term.col, term.row);
- xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
-- term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
-+ term.ocx, term.ocy, term.line[term.ocy][term.ocx],
-+ term.line[term.ocy], term.col);
- term.ocx = cx, term.ocy = term.c.y;
- xfinishdraw();
- xximspot(term.ocx, term.ocy);
D st.h.orig => st.h.orig +0 -156
@@ 1,156 0,0 @@
-/* See LICENSE for license details. */
-
-#include <stdint.h>
-#include <sys/types.h>
-
-/* macros */
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a)[0])
-#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
-#define DIVCEIL(n, d) (((n) + ((d) - 1)) / (d))
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
-#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b) (((a).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) != ((b).mode & (~ATTR_WRAP) & (~ATTR_LIGA)) || \
- (a).fg != (b).fg || \
- (a).bg != (b).bg)
-#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + \
- (t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x) (1 << 24 & (x))
-
-enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_BOLD = 1 << 0,
- ATTR_FAINT = 1 << 1,
- ATTR_ITALIC = 1 << 2,
- ATTR_UNDERLINE = 1 << 3,
- ATTR_BLINK = 1 << 4,
- ATTR_REVERSE = 1 << 5,
- ATTR_INVISIBLE = 1 << 6,
- ATTR_STRUCK = 1 << 7,
- ATTR_WRAP = 1 << 8,
- ATTR_WIDE = 1 << 9,
- ATTR_WDUMMY = 1 << 10,
- ATTR_BOXDRAW = 1 << 11,
- ATTR_LIGA = 1 << 12,
- ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
-};
-
-enum drawing_mode {
- DRAW_NONE = 0,
- DRAW_BG = 1 << 0,
- DRAW_FG = 1 << 1,
-};
-
-enum selection_mode {
- SEL_IDLE = 0,
- SEL_EMPTY = 1,
- SEL_READY = 2
-};
-
-enum selection_type {
- SEL_REGULAR = 1,
- SEL_RECTANGULAR = 2
-};
-
-enum selection_snap {
- SNAP_WORD = 1,
- SNAP_LINE = 2
-};
-
-typedef unsigned char uchar;
-typedef unsigned int uint;
-typedef unsigned long ulong;
-typedef unsigned short ushort;
-
-typedef uint_least32_t Rune;
-
-#define Glyph Glyph_
-typedef struct {
- Rune u; /* character code */
- ushort mode; /* attribute flags */
- uint32_t fg; /* foreground */
- uint32_t bg; /* background */
-} Glyph;
-
-typedef Glyph *Line;
-
-typedef union {
- int i;
- uint ui;
- float f;
- const void *v;
-} Arg;
-
-typedef struct {
- uint b;
- uint mask;
- void (*func)(const Arg *);
- const Arg arg;
-} MouseKey;
-
-void die(const char *, ...);
-void redraw(void);
-void draw(void);
-
-void externalpipe(const Arg *);
-void iso14755(const Arg *);
-void kscrolldown(const Arg *);
-void kscrollup(const Arg *);
-void printscreen(const Arg *);
-void printsel(const Arg *);
-void sendbreak(const Arg *);
-void toggleprinter(const Arg *);
-
-int tattrset(int);
-int tisaltscr(void);
-void tnew(int, int);
-void tresize(int, int);
-void tsetdirtattr(int);
-void ttyhangup(void);
-int ttynew(char *, char *, char *, char **);
-size_t ttyread(void);
-void ttyresize(int, int);
-void ttywrite(const char *, size_t, int);
-
-void resettitle(void);
-
-void selclear(void);
-void selinit(void);
-void selstart(int, int, int);
-void selextend(int, int, int, int);
-int selected(int, int);
-char *getsel(void);
-
-size_t utf8encode(Rune, char *);
-
-void *xmalloc(size_t);
-void *xrealloc(void *, size_t);
-char *xstrdup(char *);
-
-int isboxdraw(Rune);
-ushort boxdrawindex(const Glyph *);
-#ifdef XFT_VERSION
-/* only exposed to x.c, otherwise we'll need Xft.h for the types */
-void boxdraw_xinit(Display *, Colormap, XftDraw *, Visual *);
-void drawboxes(int, int, int, int, XftColor *, XftColor *, const XftGlyphFontSpec *, int);
-#endif
-
-/* config.h globals */
-extern char *utmp;
-extern char *stty_args;
-extern char *vtiden;
-extern wchar_t *worddelimiters;
-extern int allowaltscreen;
-extern char *termname;
-extern unsigned int tabspaces;
-extern unsigned int defaultfg;
-extern unsigned int defaultbg;
-extern unsigned int defaultcs;
-extern const int boxdraw, boxdraw_bold, boxdraw_braille;
-extern float alpha;
-extern MouseKey mkeys[];
-extern int ximspot_update_interval;
D st.h.rej => st.h.rej +0 -10
@@ 1,10 0,0 @@
---- st.h
-+++ st.h
-@@ -80,6 +80,7 @@ void die(const char *, ...);
- void redraw(void);
- void draw(void);
-
-+void newterm(const Arg *);
- void printscreen(const Arg *);
- void printsel(const Arg *);
- void sendbreak(const Arg *);
D x.c.orig => x.c.orig +0 -2258
@@ 1,2258 0,0 @@
-/* See LICENSE for license details. */
-#include <errno.h>
-#include <math.h>
-#include <limits.h>
-#include <locale.h>
-#include <signal.h>
-#include <sys/select.h>
-#include <time.h>
-#include <unistd.h>
-#include <libgen.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
-#include <X11/Xresource.h>
-
-static char *argv0;
-#include "arg.h"
-#include "st.h"
-#include "win.h"
-#include "hb.h"
-
-/* types used in config.h */
-typedef struct {
- uint mod;
- KeySym keysym;
- void (*func)(const Arg *);
- const Arg arg;
-} Shortcut;
-
-typedef struct {
- uint b;
- uint mask;
- char *s;
-} MouseShortcut;
-
-typedef struct {
- KeySym k;
- uint mask;
- char *s;
- /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
-} Key;
-
-/* Xresources preferences */
-enum resource_type {
- STRING = 0,
- INTEGER = 1,
- FLOAT = 2
-};
-
-typedef struct {
- char *name;
- enum resource_type type;
- void *dst;
-} ResourcePref;
-
-/* X modifiers */
-#define XK_ANY_MOD UINT_MAX
-#define XK_NO_MOD 0
-#define XK_SWITCH_MOD (1<<13)
-
-/* function definitions used in config.h */
-static void clipcopy(const Arg *);
-static void clippaste(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-static void changealpha(const Arg *);
-static void zoom(const Arg *);
-static void zoomabs(const Arg *);
-static void zoomreset(const Arg *);
-
-/* config.h for applying patches and the configuration. */
-#include "config.h"
-
-/* XEMBED messages */
-#define XEMBED_FOCUS_IN 4
-#define XEMBED_FOCUS_OUT 5
-
-/* macros */
-#define IS_SET(flag) ((win.mode & (flag)) != 0)
-#define TRUERED(x) (((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x) (((x) & 0xff00))
-#define TRUEBLUE(x) (((x) & 0xff) << 8)
-
-typedef XftDraw *Draw;
-typedef XftColor Color;
-typedef XftGlyphFontSpec GlyphFontSpec;
-
-/* Purely graphic info */
-typedef struct {
- int tw, th; /* tty width and height */
- int w, h; /* window width and height */
- int hborderpx, vborderpx;
- int ch; /* char height */
- int cw; /* char width */
- int cyo; /* char y offset */
- int mode; /* window state/mode flags */
- int cursor; /* cursor style */
-} TermWindow;
-
-typedef struct {
- Display *dpy;
- Colormap cmap;
- Window win;
- Drawable buf;
- GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
- Atom xembed, wmdeletewin, netwmname, netwmpid;
- XIM xim;
- XIC xic;
- Draw draw;
- Visual *vis;
- XSetWindowAttributes attrs;
- int scr;
- int isfixed; /* is fixed geometry? */
- int depth; /* bit depth */
- int l, t; /* left and top offset */
- int gm; /* geometry mask */
-} XWindow;
-
-typedef struct {
- Atom xtarget;
- char *primary, *clipboard;
- struct timespec tclick1;
- struct timespec tclick2;
-} XSelection;
-
-/* Font structure */
-#define Font Font_
-typedef struct {
- int height;
- int width;
- int ascent;
- int descent;
- int badslant;
- int badweight;
- short lbearing;
- short rbearing;
- XftFont *match;
- FcFontSet *set;
- FcPattern *pattern;
-} Font;
-
-/* Drawing Context */
-typedef struct {
- Color *col;
- size_t collen;
- Font font, bfont, ifont, ibfont;
- GC gc;
-} DC;
-
-static inline ushort sixd_to_16bit(int);
-static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int, int);
-static void xdrawglyph(Glyph, int, int);
-static void xclear(int, int, int, int);
-static int xgeommasktogravity(int);
-static void ximopen(Display *);
-static void ximinstantiate(Display *, XPointer, XPointer);
-static void ximdestroy(XIM, XPointer, XPointer);
-static void xinit(int, int);
-static void cresize(int, int);
-static void xresize(int, int);
-static void xhints(void);
-static int xloadcolor(int, const char *, Color *);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, double);
-static int xloadsparefont(FcPattern *, int);
-static void xloadsparefonts(void);
-static void xunloadfont(Font *);
-static void xunloadfonts(void);
-static void xsetenv(void);
-static void xseturgency(int);
-static int evcol(XEvent *);
-static int evrow(XEvent *);
-
-static void expose(XEvent *);
-static void visibility(XEvent *);
-static void unmap(XEvent *);
-static void kpress(XEvent *);
-static void cmessage(XEvent *);
-static void resize(XEvent *);
-static void focus(XEvent *);
-static void brelease(XEvent *);
-static void bpress(XEvent *);
-static void bmotion(XEvent *);
-static void propnotify(XEvent *);
-static void selnotify(XEvent *);
-static void selclear_(XEvent *);
-static void selrequest(XEvent *);
-static void setsel(char *, Time);
-static void mousesel(XEvent *, int);
-static void mousereport(XEvent *);
-static char *kmap(KeySym, uint);
-static int match(uint, uint);
-
-static void run(void);
-static void usage(void);
-
-static void (*handler[LASTEvent])(XEvent *) = {
- [KeyPress] = kpress,
- [ClientMessage] = cmessage,
- [ConfigureNotify] = resize,
- [VisibilityNotify] = visibility,
- [UnmapNotify] = unmap,
- [Expose] = expose,
- [FocusIn] = focus,
- [FocusOut] = focus,
- [MotionNotify] = bmotion,
- [ButtonPress] = bpress,
- [ButtonRelease] = brelease,
-/*
- * Uncomment if you want the selection to disappear when you select something
- * different in another window.
- */
-/* [SelectionClear] = selclear_, */
- [SelectionNotify] = selnotify,
-/*
- * PropertyNotify is only turned on when there is some INCR transfer happening
- * for the selection retrieval.
- */
- [PropertyNotify] = propnotify,
- [SelectionRequest] = selrequest,
-};
-
-/* Globals */
-static DC dc;
-static XWindow xw;
-static XSelection xsel;
-static TermWindow win;
-
-/* Font Ring Cache */
-enum {
- FRC_NORMAL,
- FRC_ITALIC,
- FRC_BOLD,
- FRC_ITALICBOLD
-};
-
-typedef struct {
- XftFont *font;
- int flags;
- Rune unicodep;
-} Fontcache;
-
-/* Fontcache is an array now. A new font will be appended to the array. */
-static Fontcache *frc = NULL;
-static int frclen = 0;
-static int frccap = 0;
-static char *usedfont = NULL;
-static double usedfontsize = 0;
-static double defaultfontsize = 0;
-
-static char *opt_alpha = NULL;
-static char *opt_class = NULL;
-static char **opt_cmd = NULL;
-static char *opt_embed = NULL;
-static char *opt_font = NULL;
-static char *opt_io = NULL;
-static char *opt_line = NULL;
-static char *opt_name = NULL;
-static char *opt_title = NULL;
-
-static int oldbutton = 3; /* button event on startup: 3 = release */
-
-void
-clipcopy(const Arg *dummy)
-{
- Atom clipboard;
-
- free(xsel.clipboard);
- xsel.clipboard = NULL;
-
- if (xsel.primary != NULL) {
- xsel.clipboard = xstrdup(xsel.primary);
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
- }
-}
-
-void
-clippaste(const Arg *dummy)
-{
- Atom clipboard;
-
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- XConvertSelection(xw.dpy, clipboard, xsel.xtarget, clipboard,
- xw.win, CurrentTime);
-}
-
-void
-selpaste(const Arg *dummy)
-{
- XConvertSelection(xw.dpy, XA_PRIMARY, xsel.xtarget, XA_PRIMARY,
- xw.win, CurrentTime);
-}
-
-void
-numlock(const Arg *dummy)
-{
- win.mode ^= MODE_NUMLOCK;
-}
-
-void
-changealpha(const Arg *arg)
-{
- if((alpha > 0 && arg->f < 0) || (alpha < 1 && arg->f > 0))
- alpha += arg->f;
- if(alpha < 0)
- alpha = 0;
- if(alpha > 1)
- alpha = 1;
-
- xloadcols();
- redraw();
-}
-
-void
-zoom(const Arg *arg)
-{
- Arg larg;
-
- larg.f = usedfontsize + arg->f;
- zoomabs(&larg);
-}
-
-void
-zoomabs(const Arg *arg)
-{
- xunloadfonts();
- xloadfonts(usedfont, arg->f);
- xloadsparefonts();
- cresize(0, 0);
- redraw();
- xhints();
-}
-
-void
-zoomreset(const Arg *arg)
-{
- Arg larg;
-
- if (defaultfontsize > 0) {
- larg.f = defaultfontsize;
- zoomabs(&larg);
- }
-}
-
-int
-evcol(XEvent *e)
-{
- int x = e->xbutton.x - win.hborderpx;
- LIMIT(x, 0, win.tw - 1);
- return x / win.cw;
-}
-
-int
-evrow(XEvent *e)
-{
- int y = e->xbutton.y - win.vborderpx;
- LIMIT(y, 0, win.th - 1);
- return y / win.ch;
-}
-
-void
-mousesel(XEvent *e, int done)
-{
- int type, seltype = SEL_REGULAR;
- uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
-
- for (type = 1; type < LEN(selmasks); ++type) {
- if (match(selmasks[type], state)) {
- seltype = type;
- break;
- }
- }
- selextend(evcol(e), evrow(e), seltype, done);
- if (done)
- setsel(getsel(), e->xbutton.time);
-}
-
-void
-mousereport(XEvent *e)
-{
- int len, x = evcol(e), y = evrow(e),
- button = e->xbutton.button, state = e->xbutton.state;
- char buf[40];
- static int ox, oy;
-
- /* from urxvt */
- if (e->xbutton.type == MotionNotify) {
- if (x == ox && y == oy)
- return;
- if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
- return;
- /* MOUSE_MOTION: no reporting if no button is pressed */
- if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
- return;
-
- button = oldbutton + 32;
- ox = x;
- oy = y;
- } else {
- if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
- button = 3;
- } else {
- button -= Button1;
- if (button >= 3)
- button += 64 - 3;
- }
- if (e->xbutton.type == ButtonPress) {
- oldbutton = button;
- ox = x;
- oy = y;
- } else if (e->xbutton.type == ButtonRelease) {
- oldbutton = 3;
- /* MODE_MOUSEX10: no button release reporting */
- if (IS_SET(MODE_MOUSEX10))
- return;
- if (button == 64 || button == 65)
- return;
- }
- }
-
- if (!IS_SET(MODE_MOUSEX10)) {
- button += ((state & ShiftMask ) ? 4 : 0)
- + ((state & Mod4Mask ) ? 8 : 0)
- + ((state & ControlMask) ? 16 : 0);
- }
-
- if (IS_SET(MODE_MOUSESGR)) {
- len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
- button, x+1, y+1,
- e->xbutton.type == ButtonRelease ? 'm' : 'M');
- } else if (x < 223 && y < 223) {
- len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
- 32+button, 32+x+1, 32+y+1);
- } else {
- return;
- }
-
- ttywrite(buf, len, 0);
-}
-
-void
-bpress(XEvent *e)
-{
- struct timespec now;
- MouseShortcut *ms;
- MouseKey *mk;
- int snap;
-
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- if (tisaltscr()) {
- for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
- if (e->xbutton.button == ms->b
- && match(ms->mask, e->xbutton.state)) {
- ttywrite(ms->s, strlen(ms->s), 1);
- return;
- }
- }
- }
-
- for (mk = mkeys; mk < mkeys + LEN(mkeys); mk++) {
- if (e->xbutton.button == mk->b
- && match(mk->mask, e->xbutton.state)) {
- mk->func(&mk->arg);
- return;
- }
- }
-
- if (e->xbutton.button == Button1) {
- /*
- * If the user clicks below predefined timeouts specific
- * snapping behaviour is exposed.
- */
- clock_gettime(CLOCK_MONOTONIC, &now);
- if (TIMEDIFF(now, xsel.tclick2) <= tripleclicktimeout) {
- snap = SNAP_LINE;
- } else if (TIMEDIFF(now, xsel.tclick1) <= doubleclicktimeout) {
- snap = SNAP_WORD;
- } else {
- snap = 0;
- }
- xsel.tclick2 = xsel.tclick1;
- xsel.tclick1 = now;
-
- selstart(evcol(e), evrow(e), snap);
- }
-}
-
-void
-propnotify(XEvent *e)
-{
- XPropertyEvent *xpev;
- Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-
- xpev = &e->xproperty;
- if (xpev->state == PropertyNewValue &&
- (xpev->atom == XA_PRIMARY ||
- xpev->atom == clipboard)) {
- selnotify(e);
- }
-}
-
-void
-selnotify(XEvent *e)
-{
- ulong nitems, ofs, rem;
- int format;
- uchar *data, *last, *repl;
- Atom type, incratom, property = None;
-
- incratom = XInternAtom(xw.dpy, "INCR", 0);
-
- ofs = 0;
- if (e->type == SelectionNotify)
- property = e->xselection.property;
- else if (e->type == PropertyNotify)
- property = e->xproperty.atom;
-
- if (property == None)
- return;
-
- do {
- if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
- BUFSIZ/4, False, AnyPropertyType,
- &type, &format, &nitems, &rem,
- &data)) {
- fprintf(stderr, "Clipboard allocation failed\n");
- return;
- }
-
- if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
- /*
- * If there is some PropertyNotify with no data, then
- * this is the signal of the selection owner that all
- * data has been transferred. We won't need to receive
- * PropertyNotify events anymore.
- */
- MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
- }
-
- if (type == incratom) {
- /*
- * Activate the PropertyNotify events so we receive
- * when the selection owner does send us the next
- * chunk of data.
- */
- MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
- &xw.attrs);
-
- /*
- * Deleting the property is the transfer start signal.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
- continue;
- }
-
- /*
- * As seen in getsel:
- * Line endings are inconsistent in the terminal and GUI world
- * copy and pasting. When receiving some selection data,
- * replace all '\n' with '\r'.
- * FIXME: Fix the computer world.
- */
- repl = data;
- last = data + nitems * format / 8;
- while ((repl = memchr(repl, '\n', last - repl))) {
- *repl++ = '\r';
- }
-
- if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
- ttywrite("\033[200~", 6, 0);
- ttywrite((char *)data, nitems * format / 8, 1);
- if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
- ttywrite("\033[201~", 6, 0);
- XFree(data);
- /* number of 32-bit chunks returned */
- ofs += nitems * format / 32;
- } while (rem > 0);
-
- /*
- * Deleting the property again tells the selection owner to send the
- * next data chunk in the property.
- */
- XDeleteProperty(xw.dpy, xw.win, (int)property);
-}
-
-void
-xclipcopy(void)
-{
- clipcopy(NULL);
-}
-
-void
-selclear_(XEvent *e)
-{
- selclear();
-}
-
-void
-selrequest(XEvent *e)
-{
- XSelectionRequestEvent *xsre;
- XSelectionEvent xev;
- Atom xa_targets, string, clipboard;
- char *seltext;
-
- xsre = (XSelectionRequestEvent *) e;
- xev.type = SelectionNotify;
- xev.requestor = xsre->requestor;
- xev.selection = xsre->selection;
- xev.target = xsre->target;
- xev.time = xsre->time;
- if (xsre->property == None)
- xsre->property = xsre->target;
-
- /* reject */
- xev.property = None;
-
- xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
- if (xsre->target == xa_targets) {
- /* respond with the supported type */
- string = xsel.xtarget;
- XChangeProperty(xsre->display, xsre->requestor, xsre->property,
- XA_ATOM, 32, PropModeReplace,
- (uchar *) &string, 1);
- xev.property = xsre->property;
- } else if (xsre->target == xsel.xtarget || xsre->target == XA_STRING) {
- /*
- * xith XA_STRING non ascii characters may be incorrect in the
- * requestor. It is not our problem, use utf8.
- */
- clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
- if (xsre->selection == XA_PRIMARY) {
- seltext = xsel.primary;
- } else if (xsre->selection == clipboard) {
- seltext = xsel.clipboard;
- } else {
- fprintf(stderr,
- "Unhandled clipboard selection 0x%lx\n",
- xsre->selection);
- return;
- }
- if (seltext != NULL) {
- XChangeProperty(xsre->display, xsre->requestor,
- xsre->property, xsre->target,
- 8, PropModeReplace,
- (uchar *)seltext, strlen(seltext));
- xev.property = xsre->property;
- }
- }
-
- /* all done, send a notification to the listener */
- if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
- fprintf(stderr, "Error sending SelectionNotify event\n");
-}
-
-void
-setsel(char *str, Time t)
-{
- if (!str)
- return;
-
- free(xsel.primary);
- xsel.primary = str;
-
- XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
- if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
- selclear();
-}
-
-void
-xsetsel(char *str)
-{
- setsel(str, CurrentTime);
-}
-
-void
-brelease(XEvent *e)
-{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- if (e->xbutton.button == Button3)
- selpaste(NULL);
- else if (e->xbutton.button == Button1)
- mousesel(e, 1);
-}
-
-void
-bmotion(XEvent *e)
-{
- if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
- mousereport(e);
- return;
- }
-
- mousesel(e, 0);
-}
-
-void
-cresize(int width, int height)
-{
- int col, row;
-
- if (width != 0)
- win.w = width;
- if (height != 0)
- win.h = height;
-
- col = (win.w - 2 * borderpx) / win.cw;
- row = (win.h - 2 * borderpx) / win.ch;
- col = MAX(1, col);
- row = MAX(1, row);
-
- win.hborderpx = (win.w - col * win.cw) / 2;
- win.vborderpx = (win.h - row * win.ch) / 2;
-
- tresize(col, row);
- xresize(col, row);
- ttyresize(win.tw, win.th);
-}
-
-void
-xresize(int col, int row)
-{
- win.tw = col * win.cw;
- win.th = row * win.ch;
-
- XFreePixmap(xw.dpy, xw.buf);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
- xw.depth);
- XftDrawChange(xw.draw, xw.buf);
- xclear(0, 0, win.w, win.h);
-
- /* resize to new width */
- xw.specbuf = xrealloc(xw.specbuf, col * sizeof(GlyphFontSpec));
-}
-
-ushort
-sixd_to_16bit(int x)
-{
- return x == 0 ? 0 : 0x3737 + 0x2828 * x;
-}
-
-int
-xloadcolor(int i, const char *name, Color *ncolor)
-{
- XRenderColor color = { .alpha = 0xffff };
-
- if (!name) {
- if (BETWEEN(i, 16, 255)) { /* 256 color */
- if (i < 6*6*6+16) { /* same colors as xterm */
- color.red = sixd_to_16bit( ((i-16)/36)%6 );
- color.green = sixd_to_16bit( ((i-16)/6) %6 );
- color.blue = sixd_to_16bit( ((i-16)/1) %6 );
- } else { /* greyscale */
- color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
- color.green = color.blue = color.red;
- }
- return XftColorAllocValue(xw.dpy, xw.vis,
- xw.cmap, &color, ncolor);
- } else
- name = colorname[i];
- }
-
- return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
-}
-
-void
-xloadcols(void)
-{
- int i;
- static int loaded;
- Color *cp;
-
- if (loaded) {
- for (cp = dc.col; cp < &dc.col[dc.collen]; ++cp)
- XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
- } else {
- dc.collen = MAX(LEN(colorname), 256);
- dc.col = xmalloc(dc.collen * sizeof(Color));
- }
-
- for (i = 0; i < dc.collen; i++)
- if (!xloadcolor(i, NULL, &dc.col[i])) {
- if (colorname[i])
- die("could not allocate color '%s'\n", colorname[i]);
- else
- die("could not allocate color %d\n", i);
- }
-
- /* set alpha value of bg color */
- if (opt_alpha)
- alpha = strtof(opt_alpha, NULL);
- dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
- dc.col[defaultbg].color.red =
- ((unsigned short)(dc.col[defaultbg].color.red * alpha)) & 0xff00;
- dc.col[defaultbg].color.green =
- ((unsigned short)(dc.col[defaultbg].color.green * alpha)) & 0xff00;
- dc.col[defaultbg].color.blue =
- ((unsigned short)(dc.col[defaultbg].color.blue * alpha)) & 0xff00;
- dc.col[defaultbg].pixel &= 0x00FFFFFF;
- dc.col[defaultbg].pixel |= (unsigned char)(0xff * alpha) << 24;
- loaded = 1;
-}
-
-int
-xsetcolorname(int x, const char *name)
-{
- Color ncolor;
-
- if (!BETWEEN(x, 0, dc.collen))
- return 1;
-
- if (!xloadcolor(x, name, &ncolor))
- return 1;
-
- XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
- dc.col[x] = ncolor;
- if (x == defaultbg)
- dc.col[defaultbg].color.alpha = (unsigned short)(0xffff * alpha);
-
- return 0;
-}
-
-/*
- * Absolute coordinates.
- */
-void
-xclear(int x1, int y1, int x2, int y2)
-{
- XftDrawRect(xw.draw,
- &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
- x1, y1, x2-x1, y2-y1);
-}
-
-void
-xclearwin(void)
-{
- xclear(0, 0, win.w, win.h);
-}
-
-
-void
-xhints(void)
-{
- XClassHint class = {opt_name ? opt_name : "st",
- opt_class ? opt_class : "St"};
- XWMHints wm = {.flags = InputHint, .input = 1};
- XSizeHints *sizeh;
-
- sizeh = XAllocSizeHints();
-
- sizeh->flags = PSize | PResizeInc | PBaseSize | PMinSize;
- sizeh->height = win.h;
- sizeh->width = win.w;
- sizeh->height_inc = 1;
- sizeh->width_inc = 1;
- sizeh->base_height = 2 * borderpx;
- sizeh->base_width = 2 * borderpx;
- sizeh->min_height = win.ch + 2 * borderpx;
- sizeh->min_width = win.cw + 2 * borderpx;
- if (xw.isfixed) {
- sizeh->flags |= PMaxSize;
- sizeh->min_width = sizeh->max_width = win.w;
- sizeh->min_height = sizeh->max_height = win.h;
- }
- if (xw.gm & (XValue|YValue)) {
- sizeh->flags |= USPosition | PWinGravity;
- sizeh->x = xw.l;
- sizeh->y = xw.t;
- sizeh->win_gravity = xgeommasktogravity(xw.gm);
- }
-
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
- &class);
- XFree(sizeh);
-}
-
-int
-xgeommasktogravity(int mask)
-{
- switch (mask & (XNegative|YNegative)) {
- case 0:
- return NorthWestGravity;
- case XNegative:
- return NorthEastGravity;
- case YNegative:
- return SouthWestGravity;
- }
-
- return SouthEastGravity;
-}
-
-int
-xloadfont(Font *f, FcPattern *pattern)
-{
- FcPattern *configured;
- FcPattern *match;
- FcResult result;
- XGlyphInfo extents;
- int wantattr, haveattr;
-
- /*
- * Manually configure instead of calling XftMatchFont
- * so that we can use the configured pattern for
- * "missing glyph" lookups.
- */
- configured = FcPatternDuplicate(pattern);
- if (!configured)
- return 1;
-
- FcConfigSubstitute(NULL, configured, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, configured);
-
- match = FcFontMatch(NULL, configured, &result);
- if (!match) {
- FcPatternDestroy(configured);
- return 1;
- }
-
- if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(configured);
- FcPatternDestroy(match);
- return 1;
- }
-
- if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
- XftResultMatch)) {
- /*
- * Check if xft was unable to find a font with the appropriate
- * slant but gave us one anyway. Try to mitigate.
- */
- if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
- &haveattr) != XftResultMatch) || haveattr < wantattr) {
- f->badslant = 1;
- fputs("font slant does not match\n", stderr);
- }
- }
-
- if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
- XftResultMatch)) {
- if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
- &haveattr) != XftResultMatch) || haveattr != wantattr) {
- f->badweight = 1;
- fputs("font weight does not match\n", stderr);
- }
- }
-
- XftTextExtentsUtf8(xw.dpy, f->match,
- (const FcChar8 *) ascii_printable,
- strlen(ascii_printable), &extents);
-
- f->set = NULL;
- f->pattern = configured;
-
- f->ascent = f->match->ascent;
- f->descent = f->match->descent;
- f->lbearing = 0;
- f->rbearing = f->match->max_advance_width;
-
- f->height = f->ascent + f->descent;
- f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
-
- return 0;
-}
-
-void
-xloadfonts(char *fontstr, double fontsize)
-{
- FcPattern *pattern;
- double fontval;
-
- if (fontstr[0] == '-')
- pattern = XftXlfdParse(fontstr, False, False);
- else
- pattern = FcNameParse((FcChar8 *)fontstr);
-
- if (!pattern)
- die("can't open font %s\n", fontstr);
-
- if (fontsize > 1) {
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
- usedfontsize = fontsize;
- } else {
- if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = fontval;
- } else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
- FcResultMatch) {
- usedfontsize = -1;
- } else {
- /*
- * Default font size is 12, if none given. This is to
- * have a known usedfontsize value.
- */
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
- usedfontsize = 12;
- }
- defaultfontsize = usedfontsize;
- }
-
- if (xloadfont(&dc.font, pattern))
- die("can't open font %s\n", fontstr);
-
- if (usedfontsize < 0) {
- FcPatternGetDouble(dc.font.match->pattern,
- FC_PIXEL_SIZE, 0, &fontval);
- usedfontsize = fontval;
- if (fontsize == 0)
- defaultfontsize = fontval;
- }
-
- /* Setting character width and height. */
- win.cw = ceilf(dc.font.width * cwscale);
- win.ch = ceilf(dc.font.height * chscale);
- win.cyo = ceilf(dc.font.height * (chscale - 1) / 2);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadfont(&dc.ifont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadfont(&dc.ibfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadfont(&dc.bfont, pattern))
- die("can't open font %s\n", fontstr);
-
- FcPatternDestroy(pattern);
-}
-
-int
-xloadsparefont(FcPattern *pattern, int flags)
-{
- FcPattern *match;
- FcResult result;
-
- match = FcFontMatch(NULL, pattern, &result);
- if (!match) {
- return 1;
- }
-
- if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
- FcPatternDestroy(match);
- return 1;
- }
-
- frc[frclen].flags = flags;
- /* Believe U+0000 glyph will present in each default font */
- frc[frclen].unicodep = 0;
- frclen++;
-
- return 0;
-}
-
-void
-xloadsparefonts(void)
-{
- FcPattern *pattern;
- double sizeshift, fontval;
- int fc;
- char **fp;
-
- if (frclen != 0)
- die("can't embed spare fonts. cache isn't empty");
-
- /* Calculate count of spare fonts */
- fc = sizeof(font2) / sizeof(*font2);
- if (fc == 0)
- return;
-
- /* Allocate memory for cache entries. */
- if (frccap < 4 * fc) {
- frccap += 4 * fc - frccap;
- frc = xrealloc(frc, frccap * sizeof(Fontcache));
- }
-
- for (fp = font2; fp - font2 < fc; ++fp) {
-
- if (**fp == '-')
- pattern = XftXlfdParse(*fp, False, False);
- else
- pattern = FcNameParse((FcChar8 *)*fp);
-
- if (!pattern)
- die("can't open spare font %s\n", *fp);
-
- if (defaultfontsize > 0) {
- sizeshift = usedfontsize - defaultfontsize;
- if (sizeshift != 0 &&
- FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
- FcResultMatch) {
- fontval += sizeshift;
- FcPatternDel(pattern, FC_PIXEL_SIZE);
- FcPatternDel(pattern, FC_SIZE);
- FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
- }
- }
-
- FcPatternAddBool(pattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(NULL, pattern, FcMatchPattern);
- XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-
- if (xloadsparefont(pattern, FRC_NORMAL))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if (xloadsparefont(pattern, FRC_ITALIC))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if (xloadsparefont(pattern, FRC_ITALICBOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDel(pattern, FC_SLANT);
- FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
- if (xloadsparefont(pattern, FRC_BOLD))
- die("can't open spare font %s\n", *fp);
-
- FcPatternDestroy(pattern);
- }
-}
-
-void
-xunloadfont(Font *f)
-{
- XftFontClose(xw.dpy, f->match);
- FcPatternDestroy(f->pattern);
- if (f->set)
- FcFontSetDestroy(f->set);
-}
-
-void
-xunloadfonts(void)
-{
- /* Clear Harfbuzz font cache. */
- hbunloadfonts();
-
- /* Free the loaded fonts in the font cache. */
- while (frclen > 0)
- XftFontClose(xw.dpy, frc[--frclen].font);
-
- xunloadfont(&dc.font);
- xunloadfont(&dc.bfont);
- xunloadfont(&dc.ifont);
- xunloadfont(&dc.ibfont);
-}
-
-void
-ximopen(Display *dpy)
-{
- XIMCallback destroy = { .client_data = NULL, .callback = ximdestroy };
-
- if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
- XSetLocaleModifiers("@im=local");
- if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
- XSetLocaleModifiers("@im=");
- if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL)
- die("XOpenIM failed. Could not open input device.\n");
- }
- }
- if (XSetIMValues(xw.xim, XNDestroyCallback, &destroy, NULL) != NULL)
- die("XSetIMValues failed. Could not set input method value.\n");
- xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
- XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL);
- if (xw.xic == NULL)
- die("XCreateIC failed. Could not obtain input method.\n");
-}
-
-void
-ximinstantiate(Display *dpy, XPointer client, XPointer call)
-{
- ximopen(dpy);
- XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
- ximinstantiate, NULL);
-}
-
-void
-ximdestroy(XIM xim, XPointer client, XPointer call)
-{
- xw.xim = NULL;
- XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
- ximinstantiate, NULL);
-}
-
-void
-xinit(int cols, int rows)
-{
- XGCValues gcvalues;
- Cursor cursor;
- Window parent;
- pid_t thispid = getpid();
- XColor xmousefg, xmousebg;
- XWindowAttributes attr;
- XVisualInfo vis;
-
- xw.scr = XDefaultScreen(xw.dpy);
-
- if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
- parent = XRootWindow(xw.dpy, xw.scr);
- xw.depth = 32;
- } else {
- XGetWindowAttributes(xw.dpy, parent, &attr);
- xw.depth = attr.depth;
- }
-
- XMatchVisualInfo(xw.dpy, xw.scr, xw.depth, TrueColor, &vis);
- xw.vis = vis.visual;
-
- /* font */
- if (!FcInit())
- die("could not init fontconfig.\n");
-
- usedfont = (opt_font == NULL)? font : opt_font;
- xloadfonts(usedfont, 0);
-
- /* spare fonts */
- xloadsparefonts();
-
- /* colors */
- xw.cmap = XCreateColormap(xw.dpy, parent, xw.vis, None);
- xloadcols();
-
- /* adjust fixed window geometry */
- win.w = 2 * win.hborderpx + cols * win.cw;
- win.h = 2 * win.vborderpx + rows * win.ch;
- if (xw.gm & XNegative)
- xw.l += DisplayWidth(xw.dpy, xw.scr) - win.w - 2;
- if (xw.gm & YNegative)
- xw.t += DisplayHeight(xw.dpy, xw.scr) - win.h - 2;
-
- /* Events */
- xw.attrs.background_pixel = dc.col[defaultbg].pixel;
- xw.attrs.border_pixel = dc.col[defaultbg].pixel;
- xw.attrs.bit_gravity = NorthWestGravity;
- xw.attrs.event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask
- | ExposureMask | VisibilityChangeMask | StructureNotifyMask
- | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- xw.attrs.colormap = xw.cmap;
-
- xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
- win.w, win.h, 0, xw.depth, InputOutput,
- xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
- | CWEventMask | CWColormap, &xw.attrs);
-
- memset(&gcvalues, 0, sizeof(gcvalues));
- gcvalues.graphics_exposures = False;
- xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h, xw.depth);
- dc.gc = XCreateGC(xw.dpy, xw.buf, GCGraphicsExposures, &gcvalues);
- XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, win.w, win.h);
-
- /* font spec buffer */
- xw.specbuf = xmalloc(cols * sizeof(GlyphFontSpec));
-
- /* Xft rendering context */
- xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
-
- /* input methods */
- ximopen(xw.dpy);
-
- /* white cursor, black outline */
- cursor = XCreateFontCursor(xw.dpy, mouseshape);
- XDefineCursor(xw.dpy, xw.win, cursor);
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
- xmousefg.red = 0xffff;
- xmousefg.green = 0xffff;
- xmousefg.blue = 0xffff;
- }
-
- if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
- xmousebg.red = 0x0000;
- xmousebg.green = 0x0000;
- xmousebg.blue = 0x0000;
- }
-
- XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
-
- xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
- xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
- xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
- XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
- xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
- XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
- PropModeReplace, (uchar *)&thispid, 1);
-
- win.mode = MODE_NUMLOCK;
- resettitle();
- XMapWindow(xw.dpy, xw.win);
- xhints();
- XSync(xw.dpy, False);
-
- clock_gettime(CLOCK_MONOTONIC, &xsel.tclick1);
- clock_gettime(CLOCK_MONOTONIC, &xsel.tclick2);
- xsel.primary = NULL;
- xsel.clipboard = NULL;
- xsel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
- if (xsel.xtarget == None)
- xsel.xtarget = XA_STRING;
-
- boxdraw_xinit(xw.dpy, xw.cmap, xw.draw, xw.vis);
-}
-
-int
-xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
-{
- float winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch, xp, yp;
- ushort mode, prevmode = USHRT_MAX;
- Font *font = &dc.font;
- int frcflags = FRC_NORMAL;
- float runewidth = win.cw;
- Rune rune;
- FT_UInt glyphidx;
- FcResult fcres;
- FcPattern *fcpattern, *fontpattern;
- FcFontSet *fcsets[] = { NULL };
- FcCharSet *fccharset;
- int i, f, numspecs = 0;
-
- for (i = 0, xp = winx, yp = winy + font->ascent + win.cyo; i < len; ++i) {
- /* Fetch rune and mode for current glyph. */
- rune = glyphs[i].u;
- mode = glyphs[i].mode;
-
- /* Skip dummy wide-character spacing. */
- if (mode & ATTR_WDUMMY)
- continue;
-
- /* Determine font for glyph if different from previous glyph. */
- if (prevmode != mode) {
- prevmode = mode;
- font = &dc.font;
- frcflags = FRC_NORMAL;
- runewidth = win.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
- if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- } else if (mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- } else if (mode & ATTR_BOLD) {
- font = &dc.bfont;
- frcflags = FRC_BOLD;
- }
- yp = winy + font->ascent + win.cyo;
- }
-
- if (mode & ATTR_BOXDRAW) {
- /* minor shoehorning: boxdraw uses only this ushort */
- glyphidx = boxdrawindex(&glyphs[i]);
- } else {
- /* Lookup character index with default font. */
- glyphidx = XftCharIndex(xw.dpy, font->match, rune);
- }
- if (glyphidx) {
- specs[numspecs].font = font->match;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- continue;
- }
-
- /* Fallback on font cache, search the font cache for match. */
- for (f = 0; f < frclen; f++) {
- glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
- /* Everything correct. */
- if (glyphidx && frc[f].flags == frcflags)
- break;
- /* We got a default font for a not found glyph. */
- if (!glyphidx && frc[f].flags == frcflags
- && frc[f].unicodep == rune) {
- break;
- }
- }
-
- /* Nothing was found. Use fontconfig to find matching font. */
- if (f >= frclen) {
- if (!font->set)
- font->set = FcFontSort(0, font->pattern,
- 1, 0, &fcres);
- fcsets[0] = font->set;
-
- /*
- * Nothing was found in the cache. Now use
- * some dozen of Fontconfig calls to get the
- * font for one single character.
- *
- * Xft and fontconfig are design failures.
- */
- fcpattern = FcPatternDuplicate(font->pattern);
- fccharset = FcCharSetCreate();
-
- FcCharSetAddChar(fccharset, rune);
- FcPatternAddCharSet(fcpattern, FC_CHARSET,
- fccharset);
- FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
- FcConfigSubstitute(0, fcpattern,
- FcMatchPattern);
- FcDefaultSubstitute(fcpattern);
-
- fontpattern = FcFontSetMatch(0, fcsets, 1,
- fcpattern, &fcres);
-
- /* Allocate memory for the new cache entry. */
- if (frclen >= frccap) {
- frccap += 16;
- frc = xrealloc(frc, frccap * sizeof(Fontcache));
- }
-
- frc[frclen].font = XftFontOpenPattern(xw.dpy,
- fontpattern);
- if (!frc[frclen].font)
- die("XftFontOpenPattern failed seeking fallback font: %s\n",
- strerror(errno));
- frc[frclen].flags = frcflags;
- frc[frclen].unicodep = rune;
-
- glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
- f = frclen;
- frclen++;
-
- FcPatternDestroy(fcpattern);
- FcCharSetDestroy(fccharset);
- }
-
- specs[numspecs].font = frc[f].font;
- specs[numspecs].glyph = glyphidx;
- specs[numspecs].x = (short)xp;
- specs[numspecs].y = (short)yp;
- xp += runewidth;
- numspecs++;
- }
-
- /* Harfbuzz transformation for ligatures. */
- hbtransform(specs, glyphs, len, x, y);
-
- return numspecs;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y, int dmode)
-{
- int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
- int winx = win.hborderpx + x * win.cw, winy = win.vborderpx + y * win.ch,
- width = charlen * win.cw;
- Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
- XRenderColor colfg, colbg;
-
- /* Fallback on color display for attributes not supported by the font */
- if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
- if (dc.ibfont.badslant || dc.ibfont.badweight)
- base.fg = defaultattr;
- } else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
- (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
- base.fg = defaultattr;
- }
-
- if (IS_TRUECOL(base.fg)) {
- colfg.alpha = 0xffff;
- colfg.red = TRUERED(base.fg);
- colfg.green = TRUEGREEN(base.fg);
- colfg.blue = TRUEBLUE(base.fg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
- fg = &truefg;
- } else {
- fg = &dc.col[base.fg];
- }
-
- if (IS_TRUECOL(base.bg)) {
- colbg.alpha = 0xffff;
- colbg.green = TRUEGREEN(base.bg);
- colbg.red = TRUERED(base.bg);
- colbg.blue = TRUEBLUE(base.bg);
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
- bg = &truebg;
- } else {
- bg = &dc.col[base.bg];
- }
-
- if (IS_SET(MODE_REVERSE)) {
- if (fg == &dc.col[defaultfg]) {
- fg = &dc.col[defaultbg];
- } else {
- colfg.red = ~fg->color.red;
- colfg.green = ~fg->color.green;
- colfg.blue = ~fg->color.blue;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
- &revfg);
- fg = &revfg;
- }
-
- if (bg == &dc.col[defaultbg]) {
- bg = &dc.col[defaultfg];
- } else {
- colbg.red = ~bg->color.red;
- colbg.green = ~bg->color.green;
- colbg.blue = ~bg->color.blue;
- colbg.alpha = bg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
- &revbg);
- bg = &revbg;
- }
- }
-
- if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
- colfg.red = fg->color.red / 2;
- colfg.green = fg->color.green / 2;
- colfg.blue = fg->color.blue / 2;
- colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
- fg = &revfg;
- }
-
- if (base.mode & ATTR_REVERSE) {
- temp = fg;
- fg = bg;
- bg = temp;
- }
-
- if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
- fg = bg;
-
- if (base.mode & ATTR_INVISIBLE)
- fg = bg;
-
- if (dmode & DRAW_BG) {
- /* Intelligent cleaning up of the borders. */
- if (x == 0) {
- xclear(0, (y == 0)? 0 : winy, win.vborderpx,
- winy + win.ch +
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
- }
- if (winx + width >= win.hborderpx + win.tw) {
- xclear(winx + width, (y == 0)? 0 : winy, win.w,
- ((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
- }
- if (y == 0)
- xclear(winx, 0, winx + width, win.hborderpx);
- if (winy + win.ch >= win.vborderpx + win.th)
- xclear(winx, winy + win.ch, winx + width, win.h);
-
- /* Fill the background */
- XftDrawRect(xw.draw, bg, winx, winy, width, win.ch);
- }
-
- if (dmode & DRAW_FG) {
- if (base.mode & ATTR_BOXDRAW) {
- drawboxes(winx, winy, width / len, win.ch, fg, bg, specs, len);
- } else {
- /* Render the glyphs. */
- XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
- }
-
- /* Render underline and strikethrough. */
- if (base.mode & ATTR_UNDERLINE) {
- XftDrawRect(xw.draw, fg, winx, winy + win.cyo + dc.font.ascent + 1,
- width, 1);
- }
-
- if (base.mode & ATTR_STRUCK) {
- XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent / 3,
- width, 1);
- }
- }
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
- int numspecs;
- XftGlyphFontSpec spec;
-
- numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
- xdrawglyphfontspecs(&spec, g, numspecs, x, y, DRAW_BG | DRAW_FG);
-}
-
-void
-xdrawcursor(int cx, int cy, Glyph g, int ox, int oy, Glyph og, Line line, int len)
-{
- Color drawcol;
-
- /* remove the old cursor */
- if (selected(ox, oy))
- og.mode ^= ATTR_REVERSE;
-
- /* Redraw the line where cursor was previously.
- * It will restore the ligatures broken by the cursor. */
- xdrawline(line, 0, oy, len);
-
- if (IS_SET(MODE_HIDE))
- return;
-
- /*
- * Select the right color for the right mode.
- */
- g.mode &= ATTR_BOLD|ATTR_ITALIC|ATTR_UNDERLINE|ATTR_STRUCK|ATTR_WIDE|ATTR_BOXDRAW;
-
- if (IS_SET(MODE_REVERSE)) {
- g.mode |= ATTR_REVERSE;
- g.bg = defaultfg;
- if (selected(cx, cy)) {
- drawcol = dc.col[defaultcs];
- g.fg = defaultrcs;
- } else {
- drawcol = dc.col[defaultrcs];
- g.fg = defaultcs;
- }
- } else {
- if (selected(cx, cy)) {
- g.fg = defaultfg;
- g.bg = defaultrcs;
- } else {
- g.fg = defaultbg;
- g.bg = defaultcs;
- }
- drawcol = dc.col[g.bg];
- }
-
- /* draw the new one */
- if (IS_SET(MODE_FOCUSED)) {
- switch (win.cursor) {
- case 7: /* st extension: snowman (U+2603) */
- g.u = 0x2603;
- case 0: /* Blinking Block */
- case 1: /* Blinking Block (Default) */
- case 2: /* Steady Block */
- xdrawglyph(g, cx, cy);
- break;
- case 3: /* Blinking Underline */
- case 4: /* Steady Underline */
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + (cy + 1) * win.ch - \
- cursorthickness,
- win.cw, cursorthickness);
- break;
- case 5: /* Blinking bar */
- case 6: /* Steady bar */
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- cursorthickness, win.ch);
- break;
- }
- } else {
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- win.cw - 1, 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + cy * win.ch,
- 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + (cx + 1) * win.cw - 1,
- win.vborderpx + cy * win.ch,
- 1, win.ch - 1);
- XftDrawRect(xw.draw, &drawcol,
- win.hborderpx + cx * win.cw,
- win.vborderpx + (cy + 1) * win.ch - 1,
- win.cw, 1);
- }
-}
-
-void
-xsetenv(void)
-{
- char buf[sizeof(long) * 8 + 1];
-
- snprintf(buf, sizeof(buf), "%lu", xw.win);
- setenv("WINDOWID", buf, 1);
-}
-
-void
-xsettitle(char *p)
-{
- XTextProperty prop;
- DEFAULT(p, opt_title);
-
- Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
- &prop);
- XSetWMName(xw.dpy, xw.win, &prop);
- XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
- XFree(prop.value);
-}
-
-int
-xstartdraw(void)
-{
- return IS_SET(MODE_VISIBLE);
-}
-
-void
-xdrawline(Line line, int x1, int y1, int x2)
-{
- int i, x, ox, numspecs, numspecs_cached;
- Glyph base, new;
- XftGlyphFontSpec *specs;
-
- numspecs_cached = xmakeglyphfontspecs(xw.specbuf, &line[x1], x2 - x1, x1, y1);
-
- /* Draw line in 2 passes: background and foreground. This way wide glyphs
- won't get truncated (#223) */
- for (int dmode = DRAW_BG; dmode <= DRAW_FG; dmode <<= 1) {
- specs = xw.specbuf;
- numspecs = numspecs_cached;
- i = ox = 0;
- for (x = x1; x < x2 && i < numspecs; x++) {
- new = line[x];
- if (new.mode == ATTR_WDUMMY)
- continue;
- if (selected(x, y1))
- new.mode ^= ATTR_REVERSE;
- if (i > 0 && ATTRCMP(base, new)) {
- xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
- specs += i;
- numspecs -= i;
- i = 0;
- }
- if (i == 0) {
- ox = x;
- base = new;
- }
- i++;
- }
- if (i > 0)
- xdrawglyphfontspecs(specs, base, i, ox, y1, dmode);
- }
-}
-
-void
-xfinishdraw(void)
-{
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
- win.h, 0, 0);
- XSetForeground(xw.dpy, dc.gc,
- dc.col[IS_SET(MODE_REVERSE)?
- defaultfg : defaultbg].pixel);
-}
-
-void
-xximspot(int x, int y)
-{
- XPoint spot = { borderpx + x * win.cw, borderpx + (y + 1) * win.ch };
- XVaNestedList attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);
-
- XSetICValues(xw.xic, XNPreeditAttributes, attr, NULL);
- XFree(attr);
-}
-
-void
-expose(XEvent *ev)
-{
- redraw();
-}
-
-void
-visibility(XEvent *ev)
-{
- XVisibilityEvent *e = &ev->xvisibility;
-
- MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
-}
-
-void
-unmap(XEvent *ev)
-{
- win.mode &= ~MODE_VISIBLE;
-}
-
-void
-xsetpointermotion(int set)
-{
- MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
- XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void
-xsetmode(int set, unsigned int flags)
-{
- int mode = win.mode;
- MODBIT(win.mode, set, flags);
- if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
- redraw();
-}
-
-int
-xsetcursor(int cursor)
-{
- DEFAULT(cursor, 1);
- if (!BETWEEN(cursor, 0, 6))
- return 1;
- win.cursor = cursor;
- return 0;
-}
-
-void
-xseturgency(int add)
-{
- XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
- MODBIT(h->flags, add, XUrgencyHint);
- XSetWMHints(xw.dpy, xw.win, h);
- XFree(h);
-}
-
-void
-xbell(void)
-{
- if (!(IS_SET(MODE_FOCUSED)))
- xseturgency(1);
- if (bellvolume)
- XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
-}
-
-void
-focus(XEvent *ev)
-{
- XFocusChangeEvent *e = &ev->xfocus;
-
- if (e->mode == NotifyGrab)
- return;
-
- if (ev->type == FocusIn) {
- XSetICFocus(xw.xic);
- win.mode |= MODE_FOCUSED;
- xseturgency(0);
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[I", 3, 0);
- } else {
- XUnsetICFocus(xw.xic);
- win.mode &= ~MODE_FOCUSED;
- if (IS_SET(MODE_FOCUS))
- ttywrite("\033[O", 3, 0);
- }
-}
-
-int
-match(uint mask, uint state)
-{
- return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
-char*
-kmap(KeySym k, uint state)
-{
- Key *kp;
- int i;
-
- /* Check for mapped keys out of X11 function keys. */
- for (i = 0; i < LEN(mappedkeys); i++) {
- if (mappedkeys[i] == k)
- break;
- }
- if (i == LEN(mappedkeys)) {
- if ((k & 0xFFFF) < 0xFD00)
- return NULL;
- }
-
- for (kp = key; kp < key + LEN(key); kp++) {
- if (kp->k != k)
- continue;
-
- if (!match(kp->mask, state))
- continue;
-
- if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
- continue;
- if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
- continue;
-
- if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
- continue;
-
- return kp->s;
- }
-
- return NULL;
-}
-
-void
-kpress(XEvent *ev)
-{
- XKeyEvent *e = &ev->xkey;
- KeySym ksym;
- char buf[32], *customkey;
- int len;
- Rune c;
- Status status;
- Shortcut *bp;
-
- if (IS_SET(MODE_KBDLOCK))
- return;
-
- len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
- /* 1. shortcuts */
- for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
- if (ksym == bp->keysym && match(bp->mod, e->state)) {
- bp->func(&(bp->arg));
- return;
- }
- }
-
- /* 2. custom keys from config.h */
- if ((customkey = kmap(ksym, e->state))) {
- ttywrite(customkey, strlen(customkey), 1);
- return;
- }
-
- /* 3. composed string from input method */
- if (len == 0)
- return;
- if (len == 1 && e->state & Mod1Mask) {
- if (IS_SET(MODE_8BIT)) {
- if (*buf < 0177) {
- c = *buf | 0x80;
- len = utf8encode(c, buf);
- }
- } else {
- buf[1] = buf[0];
- buf[0] = '\033';
- len = 2;
- }
- }
- ttywrite(buf, len, 1);
-}
-
-void
-cmessage(XEvent *e)
-{
- /*
- * See xembed specs
- * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
- */
- if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
- if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
- win.mode |= MODE_FOCUSED;
- xseturgency(0);
- } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
- win.mode &= ~MODE_FOCUSED;
- }
- } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
- ttyhangup();
- exit(0);
- }
-}
-
-void
-resize(XEvent *e)
-{
- if (e->xconfigure.width == win.w && e->xconfigure.height == win.h)
- return;
-
- cresize(e->xconfigure.width, e->xconfigure.height);
-}
-
-void
-run(void)
-{
- XEvent ev;
- int w = win.w, h = win.h;
- fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), ttyfd, xev, drawing;
- struct timespec seltv, *tv, now, lastblink, trigger;
- double timeout;
-
- /* Waiting for window mapping */
- do {
- XNextEvent(xw.dpy, &ev);
- /*
- * This XFilterEvent call is required because of XOpenIM. It
- * does filter out the key event and some client message for
- * the input method too.
- */
- if (XFilterEvent(&ev, None))
- continue;
- if (ev.type == ConfigureNotify) {
- w = ev.xconfigure.width;
- h = ev.xconfigure.height;
- }
- } while (ev.type != MapNotify);
-
- ttyfd = ttynew(opt_line, shell, opt_io, opt_cmd);
- cresize(w, h);
-
- for (timeout = -1, drawing = 0, lastblink = (struct timespec){0};;) {
- FD_ZERO(&rfd);
- FD_SET(ttyfd, &rfd);
- FD_SET(xfd, &rfd);
-
- if (XPending(xw.dpy))
- timeout = 0; /* existing events might not set xfd */
-
- seltv.tv_sec = timeout / 1E3;
- seltv.tv_nsec = 1E6 * (timeout - 1E3 * seltv.tv_sec);
- tv = timeout >= 0 ? &seltv : NULL;
-
- if (pselect(MAX(xfd, ttyfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
- if (errno == EINTR)
- continue;
- die("select failed: %s\n", strerror(errno));
- }
- clock_gettime(CLOCK_MONOTONIC, &now);
-
- if (FD_ISSET(ttyfd, &rfd))
- ttyread();
-
- xev = 0;
- while (XPending(xw.dpy)) {
- xev = 1;
- XNextEvent(xw.dpy, &ev);
- if (XFilterEvent(&ev, None))
- continue;
- if (handler[ev.type])
- (handler[ev.type])(&ev);
- }
-
- /*
- * To reduce flicker and tearing, when new content or event
- * triggers drawing, we first wait a bit to ensure we got
- * everything, and if nothing new arrives - we draw.
- * We start with trying to wait minlatency ms. If more content
- * arrives sooner, we retry with shorter and shorter preiods,
- * and eventually draw even without idle after maxlatency ms.
- * Typically this results in low latency while interacting,
- * maximum latency intervals during `cat huge.txt`, and perfect
- * sync with periodic updates from animations/key-repeats/etc.
- */
- if (FD_ISSET(ttyfd, &rfd) || xev) {
- if (!drawing) {
- trigger = now;
- drawing = 1;
- }
- timeout = (maxlatency - TIMEDIFF(now, trigger)) \
- / maxlatency * minlatency;
- if (timeout > 0)
- continue; /* we have time, try to find idle */
- }
-
- /* idle detected or maxlatency exhausted -> draw */
- timeout = -1;
- if (blinktimeout && tattrset(ATTR_BLINK)) {
- timeout = blinktimeout - TIMEDIFF(now, lastblink);
- if (timeout <= 0) {
- if (-timeout > blinktimeout) /* start visible */
- win.mode |= MODE_BLINK;
- win.mode ^= MODE_BLINK;
- tsetdirtattr(ATTR_BLINK);
- lastblink = now;
- timeout = blinktimeout;
- }
- }
-
- draw();
- XFlush(xw.dpy);
- drawing = 0;
- }
-}
-
-int
-resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
-{
- char **sdst = dst;
- int *idst = dst;
- float *fdst = dst;
-
- char fullname[256];
- char fullclass[256];
- char *type;
- XrmValue ret;
-
- snprintf(fullname, sizeof(fullname), "%s.%s",
- opt_name ? opt_name : "st", name);
- snprintf(fullclass, sizeof(fullclass), "%s.%s",
- opt_class ? opt_class : "St", name);
- fullname[sizeof(fullname) - 1] = fullclass[sizeof(fullclass) - 1] = '\0';
-
- XrmGetResource(db, fullname, fullclass, &type, &ret);
- if (ret.addr == NULL || strncmp("String", type, 64))
- return 1;
-
- switch (rtype) {
- case STRING:
- *sdst = ret.addr;
- break;
- case INTEGER:
- *idst = strtoul(ret.addr, NULL, 10);
- break;
- case FLOAT:
- *fdst = strtof(ret.addr, NULL);
- break;
- }
- return 0;
-}
-
-void
-config_init(void)
-{
- char *resm;
- XrmDatabase db;
- ResourcePref *p;
-
- XrmInitialize();
- resm = XResourceManagerString(xw.dpy);
- if (!resm)
- return;
-
- db = XrmGetStringDatabase(resm);
- for (p = resources; p < resources + LEN(resources); p++)
- resource_load(db, p->name, p->type, p->dst);
-}
-
-void
-usage(void)
-{
- die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
- " [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid]"
- " [[-e] command [args ...]]\n"
- " %s [-aiv] [-c class] [-f font] [-g geometry]"
- " [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid] -l line"
- " [stty_args ...]\n", argv0, argv0);
-}
-
-void
-reload(int sig)
-{
- config_init();
-
- /* colors, fonts */
- xloadcols();
- xunloadfonts();
- usedfont = (opt_font == NULL)? font : opt_font;
- xloadfonts(usedfont, 0);
-
- /* pretend the window just got resized */
- cresize(win.w, win.h);
-
- redraw();
-
- /* triggers re-render if we're visible. */
- ttywrite("\033[O", 3, 1);
-
- signal(SIGUSR1, reload);
-}
-
-int
-main(int argc, char *argv[])
-{
- xw.l = xw.t = 0;
- xw.isfixed = False;
- win.cursor = cursorshape;
-
- ARGBEGIN {
- case 'a':
- allowaltscreen = 0;
- break;
- case 'A':
- opt_alpha = EARGF(usage());
- break;
- case 'c':
- opt_class = EARGF(usage());
- break;
- case 'e':
- if (argc > 0)
- --argc, ++argv;
- goto run;
- case 'f':
- opt_font = EARGF(usage());
- break;
- case 'g':
- xw.gm = XParseGeometry(EARGF(usage()),
- &xw.l, &xw.t, &cols, &rows);
- break;
- case 'i':
- xw.isfixed = 1;
- break;
- case 'o':
- opt_io = EARGF(usage());
- break;
- case 'l':
- opt_line = EARGF(usage());
- break;
- case 'n':
- opt_name = EARGF(usage());
- break;
- case 't':
- case 'T':
- opt_title = EARGF(usage());
- break;
- case 'w':
- opt_embed = EARGF(usage());
- break;
- case 'v':
- die("%s " VERSION "\n", argv0);
- break;
- default:
- usage();
- } ARGEND;
-
-run:
- if (argc > 0) /* eat all remaining arguments */
- opt_cmd = argv;
-
- if (!opt_title)
- opt_title = (opt_line || !opt_cmd) ? "st" : opt_cmd[0];
-
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
-
- if(!(xw.dpy = XOpenDisplay(NULL)))
- die("Can't open display\n");
-
- config_init();
- cols = MAX(cols, 1);
- rows = MAX(rows, 1);
- signal(SIGUSR1, reload);
- tnew(cols, rows);
- xinit(cols, rows);
- xsetenv();
- selinit();
- run();
-
- return 0;
-}
D x.c.rej => x.c.rej +0 -150
@@ 1,150 0,0 @@
---- x.c
-+++ x.c
-@@ -14,6 +14,7 @@
- #include <X11/keysym.h>
- #include <X11/Xft/Xft.h>
- #include <X11/XKBlib.h>
-+#include <X11/Xresource.h>
-
- char *argv0;
- #include "arg.h"
-@@ -1978,6 +1979,130 @@ run(void)
- }
- }
-
-+#define XRESOURCE_LOAD_META(NAME) \
-+ if(!XrmGetResource(xrdb, "st." NAME, "st." NAME, &type, &ret)) \
-+ XrmGetResource(xrdb, "*." NAME, "*." NAME, &type, &ret); \
-+ if (ret.addr != NULL && !strncmp("String", type, 64))
-+
-+#define XRESOURCE_LOAD_STRING(NAME, DST) \
-+ XRESOURCE_LOAD_META(NAME) \
-+ DST = ret.addr;
-+
-+#define XRESOURCE_LOAD_CHAR(NAME, DST) \
-+ XRESOURCE_LOAD_META(NAME) \
-+ DST = ret.addr[0];
-+
-+#define XRESOURCE_LOAD_INTEGER(NAME, DST) \
-+ XRESOURCE_LOAD_META(NAME) \
-+ DST = strtoul(ret.addr, NULL, 10);
-+
-+#define XRESOURCE_LOAD_FLOAT(NAME, DST) \
-+ XRESOURCE_LOAD_META(NAME) \
-+ DST = strtof(ret.addr, NULL);
-+
-+void
-+xrdb_load(void)
-+{
-+ /* XXX */
-+ char *xrm;
-+ char *type;
-+ XrmDatabase xrdb;
-+ XrmValue ret;
-+ Display *dpy;
-+
-+ if(!(dpy = XOpenDisplay(NULL)))
-+ die("Can't open display\n");
-+
-+ XrmInitialize();
-+ xrm = XResourceManagerString(dpy);
-+
-+ if (xrm != NULL) {
-+ xrdb = XrmGetStringDatabase(xrm);
-+
-+ /* handling colors here without macros to do via loop. */
-+ int i = 0;
-+ char loadValue[12] = "";
-+ for (i = 0; i < 256; i++)
-+ {
-+ sprintf(loadValue, "%s%d", "st.color", i);
-+
-+ if(!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret))
-+ {
-+ sprintf(loadValue, "%s%d", "*.color", i);
-+ if (!XrmGetResource(xrdb, loadValue, loadValue, &type, &ret))
-+ /* reset if not found (unless in range for defaults). */
-+ if (i > 15)
-+ colorname[i] = NULL;
-+ }
-+
-+ if (ret.addr != NULL && !strncmp("String", type, 64))
-+ colorname[i] = ret.addr;
-+ }
-+
-+ XRESOURCE_LOAD_STRING("foreground", colorname[defaultfg]);
-+ XRESOURCE_LOAD_STRING("background", colorname[defaultbg]);
-+ XRESOURCE_LOAD_STRING("cursorfg", colorname[defaultcs])
-+ else {
-+ // this looks confusing because we are chaining off of the if
-+ // in the macro. probably we should be wrapping everything blocks
-+ // so this isn't possible...
-+ defaultcs = defaultfg;
-+ }
-+ XRESOURCE_LOAD_STRING("reverse-cursor", colorname[defaultrcs])
-+ else {
-+ // see above.
-+ defaultrcs = defaultbg;
-+ }
-+
-+ XRESOURCE_LOAD_STRING("font", font);
-+ XRESOURCE_LOAD_STRING("termname", termname);
-+
-+ /* XRESOURCE_LOAD_INTEGER("xfps", xfps); */
-+ /* XRESOURCE_LOAD_INTEGER("actionfps", actionfps); */
-+ XRESOURCE_LOAD_INTEGER("blinktimeout", blinktimeout);
-+ XRESOURCE_LOAD_INTEGER("bellvolume", bellvolume);
-+ XRESOURCE_LOAD_INTEGER("borderpx", borderpx);
-+ /* XRESOURCE_LOAD_INTEGER("borderless", borderless); */
-+ XRESOURCE_LOAD_INTEGER("cursorshape", cursorshape);
-+
-+ /* cursorblinkstate = 1; // in case if cursor shape was changed from a blinking one to a non-blinking */
-+ /* XRESOURCE_LOAD_INTEGER("cursorthickness", cursorthickness); */
-+ /* XRESOURCE_LOAD_INTEGER("cursorblinkstyle", cursorblinkstyle); */
-+ /* XRESOURCE_LOAD_INTEGER("cursorblinkontype", cursorblinkontype); */
-+
-+ /* todo: https://github.com/gnotclub/xst/commit/1e82647b0e04077e975679a4b4cf1eb02b04e6bc */
-+ /* XRESOURCE_LOAD_INTEGER("mouseScrollLines", mousescrolllines); */
-+
-+ XRESOURCE_LOAD_FLOAT("cwscale", cwscale);
-+ XRESOURCE_LOAD_FLOAT("chscale", chscale);
-+
-+ /* XRESOURCE_LOAD_CHAR("prompt_char", prompt_char); */
-+
-+ }
-+ XFlush(dpy);
-+}
-+
-+void
-+reload(int sig)
-+{
-+ xrdb_load();
-+
-+ /* colors, fonts */
-+ xloadcols();
-+ xunloadfonts();
-+ xloadfonts(font, 0);
-+
-+ /* pretend the window just got resized */
-+ cresize(win.w, win.h);
-+
-+ redraw();
-+
-+ /* triggers re-render if we're visible. */
-+ ttywrite("\033[O", 3, 1);
-+
-+ signal(SIGUSR1, reload);
-+}
-+
- void
- usage(void)
- {
-@@ -2051,6 +2176,8 @@ main(int argc, char *argv[])
-
- setlocale(LC_CTYPE, "");
- XSetLocaleModifiers("");
-+ xrdb_load();
-+ signal(SIGUSR1, reload);
- cols = MAX(cols, 1);
- rows = MAX(rows, 1);
- tnew(cols, rows);