/* See LICENSE for licence details. */
-#define _XOPEN_SOURCE 600
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
+#include <libgen.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
-#include <X11/extensions/Xdbe.h>
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
+#include "arg.h"
+
+char *argv0;
+
#define Glyph Glyph_
#define Font Font_
#define Draw XftDraw *
#define Colour XftColor
#define Colourmap Colormap
+#define Rectangle XRectangle
#if defined(__linux)
#include <pty.h>
#include <libutil.h>
#endif
-#define USAGE \
- "st " VERSION " (c) 2010-2013 st engineers\n" \
- "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
- " [-t title] [-w windowid] [-e command ...]\n"
/* XEMBED messages */
#define XEMBED_FOCUS_IN 4
#define DRAW_BUF_SIZ 20*1024
#define XK_ANY_MOD UINT_MAX
#define XK_NO_MOD 0
+#define XK_SWITCH_MOD (1<<13)
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
ATTR_GFX = 8,
ATTR_ITALIC = 16,
ATTR_BLINK = 32,
+ ATTR_WRAP = 64,
};
enum cursor_movement {
CURSOR_ORIGIN = 2
};
-enum glyph_state {
- GLYPH_SET = 1,
- GLYPH_DIRTY = 2
-};
-
enum term_mode {
MODE_WRAP = 1,
MODE_INSERT = 2,
MODE_CRLF = 16,
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
- MODE_MOUSE = 32|64,
MODE_REVERSE = 128,
MODE_KBDLOCK = 256,
MODE_HIDE = 512,
MODE_ECHO = 1024,
MODE_APPCURSOR = 2048,
MODE_MOUSESGR = 4096,
+ MODE_8BIT = 8192,
+ MODE_BLINK = 16384,
+ MODE_FBLINK = 32768,
+ MODE_FOCUS = 65536,
+ MODE_MOUSEX10 = 131072,
+ MODE_MOUSEMANY = 262144,
+ MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
+ |MODE_MOUSEMANY,
};
enum escape_state {
WIN_FOCUSED = 4
};
+enum selection_type {
+ SEL_REGULAR = 1,
+ SEL_RECTANGULAR = 2
+};
+
+enum selection_snap {
+ SNAP_WORD = 1,
+ SNAP_LINE = 2
+};
+
/* bit macro */
#undef B0
enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
uchar mode; /* attribute flags */
ushort fg; /* foreground */
ushort bg; /* background */
- uchar state; /* state flags */
} Glyph;
typedef Glyph *Line;
XIC xic;
Draw draw;
Visual *vis;
+ XSetWindowAttributes attrs;
int scr;
bool isfixed; /* is fixed geometry? */
int fx, fy, fw, fh; /* fixed geometry */
char state; /* focus, redraw, visible */
} XWindow;
+typedef struct {
+ int b;
+ uint mask;
+ char s[ESC_BUF_SIZ];
+} Mousekey;
+
typedef struct {
KeySym k;
uint mask;
signed char crlf; /* crlf mode */
} Key;
-/* TODO: use better name for vars... */
typedef struct {
int mode;
- int bx, by;
- int ex, ey;
+ 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;
- } b, e;
+ } nb, ne, ob, oe;
+
char *clip;
Atom xtarget;
bool alt;
} Shortcut;
/* function definitions used in config.h */
-static void xzoom(const Arg *);
-static void selpaste(const Arg *);
+static void clippaste(const Arg *);
static void numlock(const Arg *);
+static void selpaste(const Arg *);
+static void xzoom(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
static void strparse(void);
static void strreset(void);
-static void tclearregion(int, int, int, int, int);
+static int tattrset(int);
+static void tclearregion(int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
static void tdeleteline(int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetdirt(int, int);
+static void tsetdirtattr(int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
+static int xsetcolorname(int, const char *);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(char *, int);
+static int xloadfontset(Font *);
+static void xsettitle(char *);
static void xresettitle(void);
+static void xsetpointermotion(int);
static void xseturgency(int);
static void xsetsel(char*);
static void xtermclear(int, int, int, int);
+static void xunloadfont(Font *f);
static void xunloadfonts(void);
static void xresize(int, int);
static void selrequest(XEvent *);
static void selinit(void);
+static void selsort(void);
static inline bool selected(int, int);
static void selcopy(void);
static void selscroll(int, int);
+static void selsnap(int, int *, int *, int);
static int utf8decode(char *, long *);
static int utf8encode(long *, char *);
static char *opt_embed = NULL;
static char *opt_class = NULL;
static char *opt_font = NULL;
-
-bool usedbe = False;
+static int oldbutton = 3; /* button event on startup: 3 = release */
static char *usedfont = NULL;
static int usedfontsize = 0;
}
}
-void
+static void
selinit(void) {
memset(&sel.tclick1, 0, sizeof(sel.tclick1));
memset(&sel.tclick2, 0, sizeof(sel.tclick2));
sel.mode = 0;
- sel.bx = -1;
+ sel.ob.x = -1;
sel.clip = NULL;
sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
if(sel.xtarget == None)
return LIMIT(y, 0, term.row-1);
}
+static void
+selsort(void) {
+ if(sel.ob.y == sel.oe.y) {
+ sel.nb.x = MIN(sel.ob.x, sel.oe.x);
+ sel.ne.x = MAX(sel.ob.x, sel.oe.x);
+ } else {
+ 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;
+ }
+ sel.nb.y = MIN(sel.ob.y, sel.oe.y);
+ sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+}
+
static inline bool
selected(int x, int y) {
- int bx, ex;
+ if(sel.ne.y == y && sel.nb.y == y)
+ return BETWEEN(x, sel.nb.x, sel.ne.x);
- if(sel.ey == y && sel.by == y) {
- bx = MIN(sel.bx, sel.ex);
- ex = MAX(sel.bx, sel.ex);
- return BETWEEN(x, bx, ex);
+ if(sel.type == SEL_RECTANGULAR) {
+ return ((sel.nb.y <= y && y <= sel.ne.y)
+ && (sel.nb.x <= x && x <= sel.ne.x));
}
- return ((sel.b.y < y && y < sel.e.y)
- || (y == sel.e.y && x <= sel.e.x))
- || (y == sel.b.y && x >= sel.b.x
- && (x <= sel.e.x || sel.b.y != sel.e.y));
+ return ((sel.nb.y < y && y < sel.ne.y)
+ || (y == sel.ne.y && x <= sel.ne.x))
+ || (y == sel.nb.y && x >= sel.nb.x
+ && (x <= sel.ne.x || sel.nb.y != sel.ne.y));
+}
+
+void
+selsnap(int mode, int *x, int *y, int direction) {
+ int i;
+
+ switch(mode) {
+ case SNAP_WORD:
+ /*
+ * Snap around if the word wraps around at the end or
+ * beginning of a line.
+ */
+ for(;;) {
+ if(direction < 0 && *x <= 0) {
+ if(*y > 0 && term.line[*y - 1][term.col-1].mode
+ & ATTR_WRAP) {
+ *y -= 1;
+ *x = term.col-1;
+ } else {
+ break;
+ }
+ }
+ if(direction > 0 && *x >= term.col-1) {
+ if(*y < term.row-1 && term.line[*y][*x].mode
+ & ATTR_WRAP) {
+ *y += 1;
+ *x = 0;
+ } else {
+ break;
+ }
+ }
+
+ if(strchr(worddelimiters,
+ term.line[*y][*x + direction].c[0])) {
+ break;
+ }
+
+ *x += direction;
+ }
+ 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 && *y > 0) {
+ for(; *y > 0; *y += direction) {
+ if(!(term.line[*y-1][term.col-1].mode
+ & ATTR_WRAP)) {
+ break;
+ }
+ }
+ } else if(direction > 0 && *y < term.row-1) {
+ for(; *y < term.row; *y += direction) {
+ if(!(term.line[*y][term.col-1].mode
+ & ATTR_WRAP)) {
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ /*
+ * Select the whole line when the end of line is reached.
+ */
+ if(direction > 0) {
+ i = term.col;
+ while(--i > 0 && term.line[*y][i].c[0] == ' ')
+ /* nothing */;
+ if(i > 0 && i < *x)
+ *x = term.col - 1;
+ }
+ break;
+ }
}
void
getbuttoninfo(XEvent *e) {
+ int type;
+ uint state = e->xbutton.state &~Button1Mask;
+
sel.alt = IS_SET(MODE_ALTSCREEN);
- sel.ex = x2col(e->xbutton.x);
- sel.ey = y2row(e->xbutton.y);
+ sel.oe.x = x2col(e->xbutton.x);
+ sel.oe.y = y2row(e->xbutton.y);
+
+ if(sel.ob.y < sel.oe.y
+ || (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) {
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+ } else {
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
+ }
+ selsort();
- sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
- sel.b.y = MIN(sel.by, sel.ey);
- sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
- sel.e.y = MAX(sel.by, sel.ey);
+ sel.type = SEL_REGULAR;
+ for(type = 1; type < LEN(selmasks); ++type) {
+ if(match(selmasks[type], state)) {
+ sel.type = type;
+ break;
+ }
+ }
}
void
button = e->xbutton.button, state = e->xbutton.state,
len;
char buf[40];
- static int ob, ox, oy;
+ static int ox, oy;
/* from urxvt */
if(e->xbutton.type == MotionNotify) {
- if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
+ if(x == ox && y == oy)
+ return;
+ if(!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
return;
- button = ob + 32;
- ox = x, oy = y;
+ /* 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 == AnyButton)) {
if(button >= 3)
button += 64 - 3;
if(e->xbutton.type == ButtonPress) {
- ob = button;
- ox = x, oy = y;
+ oldbutton = button;
+ ox = x;
+ oy = y;
}
}
- button += (state & ShiftMask ? 4 : 0)
- + (state & Mod4Mask ? 8 : 0)
- + (state & ControlMask ? 16 : 0);
+ if(!IS_SET(MODE_MOUSEX10)) {
+ button += (state & ShiftMask ? 4 : 0)
+ + (state & Mod4Mask ? 8 : 0)
+ + (state & ControlMask ? 16 : 0);
+ }
len = 0;
if(IS_SET(MODE_MOUSESGR)) {
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);
+ IS_SET(MODE_MOUSEX10)? button-1 : 32+button,
+ 32+x+1, 32+y+1);
} else {
return;
}
void
bpress(XEvent *e) {
+ struct timeval now;
+ Mousekey *mk;
+
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
- } else if(e->xbutton.button == Button1) {
- if(sel.bx != -1) {
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
- draw();
+ return;
+ }
+
+ for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
+ if(e->xbutton.button == mk->b
+ && match(mk->mask, e->xbutton.state)) {
+ ttywrite(mk->s, strlen(mk->s));
+ if(IS_SET(MODE_ECHO))
+ techo(mk->s, strlen(mk->s));
+ return;
}
+ }
+
+ if(e->xbutton.button == Button1) {
+ gettimeofday(&now, NULL);
+
+ /* Clear previous selection, logically and visually. */
+ selclear(NULL);
sel.mode = 1;
- sel.ex = sel.bx = x2col(e->xbutton.x);
- sel.ey = sel.by = y2row(e->xbutton.y);
- } else if(e->xbutton.button == Button4) {
- ttywrite("\031", 1);
- } else if(e->xbutton.button == Button5) {
- ttywrite("\005", 1);
+ sel.type = SEL_REGULAR;
+ sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
+ sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
+
+ /*
+ * If the user clicks below predefined timeouts specific
+ * snapping behaviour is exposed.
+ */
+ if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
+ sel.snap = SNAP_LINE;
+ } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
+ sel.snap = SNAP_WORD;
+ } else {
+ sel.snap = 0;
+ }
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+ selsort();
+
+ /*
+ * Draw selection, unless it's regular and we don't want to
+ * make clicks visible
+ */
+ if(sel.snap != 0) {
+ sel.mode++;
+ tsetdirt(sel.nb.y, sel.ne.y);
+ }
+ sel.tclick2 = sel.tclick1;
+ sel.tclick1 = now;
}
}
void
selcopy(void) {
- char *str, *ptr, *p;
- int x, y, bufsize, is_selected = 0, size;
+ char *str, *ptr;
+ int x, y, bufsize, size, i, ex;
Glyph *gp, *last;
- if(sel.bx == -1) {
+ if(sel.ob.x == -1) {
str = NULL;
} else {
- bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
+ 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 = 0; y < term.row; y++) {
+ for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
gp = &term.line[y][0];
last = gp + term.col;
- while(--last >= gp && !(last->state & GLYPH_SET))
+ while(--last >= gp && !(selected(last - gp, y) && \
+ strcmp(last->c, " ") != 0))
/* nothing */;
for(x = 0; gp <= last; x++, ++gp) {
- if(!(is_selected = selected(x, y)))
+ if(!selected(x, y))
continue;
- p = (gp->state & GLYPH_SET) ? gp->c : " ";
- size = utf8size(p);
- memcpy(ptr, p, size);
+ size = utf8size(gp->c);
+ memcpy(ptr, gp->c, size);
ptr += size;
}
- /* \n at the end of every selected line except for the last one */
- if(is_selected && y < sel.e.y)
+
+ /*
+ * 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 && !((gp-1)->mode & ATTR_WRAP))
*ptr++ = '\n';
+
+ /*
+ * If the last selected line expands in the selection
+ * after the visible text '\n' is appended.
+ */
+ if(y == sel.ne.y) {
+ i = term.col;
+ while(--i > 0 && term.line[y][i].c[0] == ' ')
+ /* nothing */;
+ ex = sel.ne.x;
+ if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
+ ex = sel.nb.x;
+ if(i < ex)
+ *ptr++ = '\n';
+ }
}
*ptr = 0;
}
selnotify(XEvent *e) {
ulong nitems, ofs, rem;
int format;
- uchar *data;
+ uchar *data, *last, *repl;
Atom type;
ofs = 0;
fprintf(stderr, "Clipboard allocation failed\n");
return;
}
- ttywrite((const char *) data, nitems * format / 8);
+
+ /*
+ * As seen in selcopy:
+ * 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';
+ }
+
+ ttywrite((const char *)data, nitems * format / 8);
XFree(data);
/* number of 32-bit chunks returned */
ofs += nitems * format / 32;
xw.win, CurrentTime);
}
-void selclear(XEvent *e) {
- if(sel.bx == -1)
+void
+clippaste(const Arg *dummy) {
+ Atom clipboard;
+
+ clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
+ XConvertSelection(xw.dpy, clipboard, sel.xtarget, XA_PRIMARY,
+ xw.win, CurrentTime);
+}
+
+void
+selclear(XEvent *e) {
+ if(sel.ob.x == -1)
return;
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
+ sel.ob.x = -1;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
void
selrequest(XEvent *e) {
- fprintf(stderr, "selrequest\n");
XSelectionRequestEvent *xsre;
XSelectionEvent xev;
Atom xa_targets, string;
void
xsetsel(char *str) {
- fprintf(stderr, "xsetsel: %s\n", str);
/* register the selection for both the clipboard and the primary */
Atom clipboard;
void
brelease(XEvent *e) {
- struct timeval now;
-
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
return;
if(e->xbutton.button == Button2) {
selpaste(NULL);
} else if(e->xbutton.button == Button1) {
- sel.mode = 0;
- getbuttoninfo(e);
- term.dirty[sel.ey] = 1;
- if(sel.bx == sel.ex && sel.by == sel.ey) {
- sel.bx = -1;
- gettimeofday(&now, NULL);
-
- if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
- /* triple click on the line */
- sel.b.x = sel.bx = 0;
- sel.e.x = sel.ex = term.col;
- sel.b.y = sel.e.y = sel.ey;
- selcopy();
- } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
- /* double click to select word */
- sel.bx = sel.ex;
- while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
- term.line[sel.ey][sel.bx-1].c[0] != ' ') {
- sel.bx--;
- }
- sel.b.x = sel.bx;
- while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
- term.line[sel.ey][sel.ex+1].c[0] != ' ') {
- sel.ex++;
- }
- sel.e.x = sel.ex;
- sel.b.y = sel.e.y = sel.ey;
- selcopy();
- }
+ if(sel.mode < 2) {
+ selclear(NULL);
} else {
+ getbuttoninfo(e);
selcopy();
}
+ sel.mode = 0;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
-
- memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
- gettimeofday(&sel.tclick1, NULL);
}
void
bmotion(XEvent *e) {
- int starty, endy, oldey, oldex;
+ int oldey, oldex, oldsby, oldsey;
if(IS_SET(MODE_MOUSE)) {
mousereport(e);
if(!sel.mode)
return;
- oldey = sel.ey;
- oldex = sel.ex;
+ sel.mode++;
+ oldey = sel.oe.y;
+ oldex = sel.oe.x;
+ oldsby = sel.nb.y;
+ oldsey = sel.ne.y;
getbuttoninfo(e);
- if(oldey != sel.ey || oldex != sel.ex) {
- starty = MIN(oldey, sel.ey);
- endy = MAX(oldey, sel.ey);
- tsetdirt(starty, endy);
- }
+ if(oldey != sel.oe.y || oldex != sel.oe.x)
+ tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
}
void
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
}
+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;
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);
term.bot = term.row - 1;
term.mode = MODE_WRAP;
- tclearregion(0, 0, term.col-1, term.row-1, 0);
+ tclearregion(0, 0, term.col-1, term.row-1);
tmoveto(0, 0);
tcursor(CURSOR_SAVE);
}
void
tnew(int col, int row) {
- /* set screen size */
- term.row = row;
- term.col = col;
- term.line = xmalloc(term.row * sizeof(Line));
- term.alt = xmalloc(term.row * sizeof(Line));
- term.dirty = xmalloc(term.row * sizeof(*term.dirty));
- term.tabs = xmalloc(term.col * sizeof(*term.tabs));
-
- for(row = 0; row < term.row; row++) {
- term.line[row] = xmalloc(term.col * sizeof(Glyph));
- term.alt [row] = xmalloc(term.col * sizeof(Glyph));
- term.dirty[row] = 0;
- }
-
+ memset(&term, 0, sizeof(Term));
+ tresize(col, row);
term.numlock = 1;
- memset(term.tabs, 0, term.col * sizeof(*term.tabs));
- /* setup screen */
+
treset();
}
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
+ tclearregion(0, term.bot-n+1, term.col-1, term.bot);
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
Line temp;
LIMIT(n, 0, term.bot-orig+1);
- tclearregion(0, orig, term.col-1, orig+n-1, 0);
+ tclearregion(0, orig, term.col-1, orig+n-1);
for(i = orig; i <= term.bot-n; i++) {
temp = term.line[i];
void
selscroll(int orig, int n) {
- if(sel.bx == -1)
+ if(sel.ob.x == -1)
return;
- if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
- if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
- sel.bx = -1;
+ 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(NULL);
return;
}
- if(sel.by < term.top) {
- sel.by = term.top;
- sel.bx = 0;
- }
- if(sel.ey > term.bot) {
- sel.ey = term.bot;
- sel.ex = term.col;
+ 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;
+ }
}
- sel.b.y = sel.by, sel.b.x = sel.bx;
- sel.e.y = sel.ey, sel.e.x = sel.ex;
+ selsort();
}
}
void
csiparse(void) {
- /* int noarg = 1; */
- char *p = csiescseq.buf;
+ char *p = csiescseq.buf, *np;
+ long int v;
csiescseq.narg = 0;
- if(*p == '?')
- csiescseq.priv = 1, p++;
+ if(*p == '?') {
+ csiescseq.priv = 1;
+ p++;
+ }
+ csiescseq.buf[csiescseq.len] = '\0';
while(p < csiescseq.buf+csiescseq.len) {
- while(isdigit(*p)) {
- csiescseq.arg[csiescseq.narg] *= 10;
- csiescseq.arg[csiescseq.narg] += *p++ - '0'/*, noarg = 0 */;
- }
- if(*p == ';' && csiescseq.narg+1 < ESC_ARG_SIZ) {
- csiescseq.narg++, p++;
- } else {
- csiescseq.mode = *p;
- csiescseq.narg++;
-
- return;
- }
+ 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 = *p;
}
/* for absolute user moves, when decom is set */
term.dirty[y] = 1;
term.line[y][x] = *attr;
memcpy(term.line[y][x].c, c, UTF_SIZ);
- term.line[y][x].state |= GLYPH_SET;
}
void
-tclearregion(int x1, int y1, int x2, int y2, int bce) {
+tclearregion(int x1, int y1, int x2, int y2) {
int x, y, temp;
if(x1 > x2)
for(y = y1; y <= y2; y++) {
term.dirty[y] = 1;
for(x = x1; x <= x2; x++) {
- if(bce) {
- term.line[y][x] = term.c.attr;
- memcpy(term.line[y][x].c, " ", 2);
- term.line[y][x].state |= GLYPH_SET;
- } else {
- term.line[y][x].state = 0;
- }
+ if(selected(x, y))
+ selclear(NULL);
+ term.line[y][x] = term.c.attr;
+ memcpy(term.line[y][x].c, " ", 2);
}
}
}
term.dirty[term.c.y] = 1;
if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
size * sizeof(Glyph));
- tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0);
+ tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
}
void
term.dirty[term.c.y] = 1;
if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
+ tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
return;
}
memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
size * sizeof(Glyph));
- tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
+ tclearregion(src, term.c.y, dst - 1, term.c.y);
}
void
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
- | ATTR_ITALIC | ATTR_BLINK);
+ term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \
+ | ATTR_BOLD | ATTR_ITALIC \
+ | ATTR_BLINK);
term.c.attr.fg = defaultfg;
term.c.attr.bg = defaultbg;
break;
case 25: /* DECTCEM -- Text Cursor Enable Mode */
MODBIT(term.mode, !set, MODE_HIDE);
break;
- case 1000: /* 1000,1002: enable xterm mouse report */
+ case 9: /* X10 mouse compatibility mode */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
+ MODBIT(term.mode, set, MODE_MOUSEX10);
+ break;
+ case 1000: /* 1000: report button press */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
MODBIT(term.mode, set, MODE_MOUSEBTN);
break;
- case 1002:
+ case 1002: /* 1002: report motion on button press */
+ xsetpointermotion(0);
+ MODBIT(term.mode, 0, MODE_MOUSE);
MODBIT(term.mode, set, MODE_MOUSEMOTION);
break;
- case 1006:
+ case 1003: /* 1003: enable all mouse motions */
+ xsetpointermotion(set);
+ MODBIT(term.mode, 0, MODE_MOUSE);
+ MODBIT(term.mode, set, MODE_MOUSEMANY);
+ break;
+ case 1004: /* 1004: send focus events to tty */
+ MODBIT(term.mode, set, MODE_FOCUS);
+ break;
+ case 1006: /* 1006: extended reporting mode */
MODBIT(term.mode, set, MODE_MOUSESGR);
break;
+ case 1034:
+ MODBIT(term.mode, set, MODE_8BIT);
+ break;
case 1049: /* = 1047 and 1048 */
case 47:
- case 1047: {
+ case 1047:
+ if (!allowaltscreen)
+ break;
+
alt = IS_SET(MODE_ALTSCREEN);
if(alt) {
tclearregion(0, 0, term.col-1,
- term.row-1, 0);
+ term.row-1);
}
if(set ^ alt) /* set is always 1 or 0 */
tswapscreen();
if(*args != 1049)
break;
- }
- /* pass through */
+ /* FALLTRU */
case 1048:
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
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. */
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
}
}
}
-#undef MODBIT
-
void
csihandle(void) {
tmoveto(0, term.c.y-csiescseq.arg[0]);
break;
case 'g': /* TBC -- Tabulation clear */
- switch (csiescseq.arg[0]) {
+ switch(csiescseq.arg[0]) {
case 0: /* clear current tab stop */
term.tabs[term.c.x] = 0;
break;
tputtab(1);
break;
case 'J': /* ED -- Clear screen */
- sel.bx = -1;
+ selclear(NULL);
switch(csiescseq.arg[0]) {
case 0: /* below */
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
+ 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, 1);
+ term.row-1);
}
break;
case 1: /* above */
if(term.c.y > 1)
- tclearregion(0, 0, term.col-1, term.c.y-1, 1);
- tclearregion(0, term.c.y, term.c.x, 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, 1);
+ tclearregion(0, 0, term.col-1, term.row-1);
break;
default:
goto unknown;
switch(csiescseq.arg[0]) {
case 0: /* right */
tclearregion(term.c.x, term.c.y, term.col-1,
- term.c.y, 1);
+ term.c.y);
break;
case 1: /* left */
- tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+ 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, 1);
+ tclearregion(0, term.c.y, term.col-1, term.c.y);
break;
}
break;
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],
- term.c.y, 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);
void
strhandle(void) {
- char *p;
+ char *p = NULL;
+ int i, j, narg;
- /*
- * TODO: make this being useful in case of color palette change.
- */
strparse();
-
- p = strescseq.buf;
+ narg = strescseq.narg;
switch(strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(p[0]) {
- case '0':
- case '1':
- case '2':
- /*
- * TODO: Handle special chars in string, like umlauts.
- */
- if(p[1] == ';') {
- XStoreName(xw.dpy, xw.win, strescseq.buf+2);
- }
- break;
- case ';':
- XStoreName(xw.dpy, xw.win, strescseq.buf+1);
+ switch(i = atoi(strescseq.args[0])) {
+ case 0:
+ case 1:
+ case 2:
+ if(narg > 1)
+ xsettitle(strescseq.args[1]);
break;
- case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */
+ case 4: /* color set */
+ if(narg < 3)
+ break;
+ p = strescseq.args[2];
+ /* fall through */
+ case 104: /* color reset, here p = NULL */
+ j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+ if (!xsetcolorname(j, p)) {
+ fprintf(stderr, "erresc: invalid color %s\n", p);
+ } else {
+ /*
+ * TODO if defaultbg color is changed, borders
+ * are dirty
+ */
+ redraw(0);
+ }
break;
default:
fprintf(stderr, "erresc: unknown str ");
}
break;
case 'k': /* old title set compatibility */
- XStoreName(xw.dpy, xw.win, strescseq.buf);
+ xsettitle(strescseq.args[0]);
break;
case 'P': /* DSC -- Device Control String */
case '_': /* APC -- Application Program Command */
void
strparse(void) {
- /*
- * TODO: Implement parsing like for CSI when required.
- * Format: ESC type cmd ';' arg0 [';' argn] ESC \
- */
- return;
+ char *p = strescseq.buf;
+
+ strescseq.narg = 0;
+ strescseq.buf[strescseq.len] = '\0';
+ while(p && strescseq.narg < STR_ARG_SIZ)
+ strescseq.args[strescseq.narg++] = strsep(&p, ";");
}
void
printf("ESC%c", strescseq.type);
for(i = 0; i < strescseq.len; i++) {
c = strescseq.buf[i] & 0xff;
- if(isprint(c)) {
+ if(c == '\0') {
+ return;
+ } else if(isprint(c)) {
putchar(c);
} else if(c == '\n') {
printf("(\\n)");
if(c == '\033') { /* escape */
tputc("^", 1);
tputc("[", 1);
- } else if (c < '\x20') { /* control code */
+ } else if(c < '\x20') { /* control code */
if(c != '\n' && c != '\r' && c != '\t') {
c |= '\x40';
tputc("^", 1);
break;
}
}
- if (len)
+ if(len)
tputc(buf, len);
}
bool control = ascii < '\x20' || ascii == 0177;
if(iofd != -1) {
- if (xwrite(iofd, c, len) < 0) {
+ if(xwrite(iofd, c, len) < 0) {
fprintf(stderr, "Error writing in %s:%s\n",
opt_io, strerror(errno));
close(iofd);
strhandle();
break;
default:
- if(strescseq.len + len < sizeof(strescseq.buf)) {
+ if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
memmove(&strescseq.buf[strescseq.len], c, len);
strescseq.len += len;
} else {
if(term.esc & ESC_CSI) {
csiescseq.buf[csiescseq.len++] = ascii;
if(BETWEEN(ascii, 0x40, 0x7E)
- || csiescseq.len >= ESC_BUF_SIZ) {
+ || csiescseq.len >= \
+ sizeof(csiescseq.buf)-1) {
term.esc = 0;
- csiparse(), csihandle();
+ csiparse();
+ csihandle();
}
} else if(term.esc & ESC_STR_END) {
term.esc = 0;
*/
if(control && !(term.c.attr.mode & ATTR_GFX))
return;
- if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
- sel.bx = -1;
- if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
- tnewline(1); /* always go to first col */
+ if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+ selclear(NULL);
+ if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+ term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
+ tnewline(1);
+ }
if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
memmove(&term.line[term.c.y][term.c.x+1],
int
tresize(int col, int row) {
- int i, x;
+ int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
bool *bp;
+ Line *orig;
if(col < 1 || row < 1)
return 0;
term.dirty[i] = 1;
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
- for(x = mincol; x < col; x++) {
- term.line[i][x].state = 0;
- term.alt[i][x].state = 0;
- }
}
/* allocate any new rows */
tsetscroll(0, row-1);
/* make use of the LIMIT in tmoveto */
tmoveto(term.c.x, term.c.y);
+ /* Clearing both screens */
+ orig = term.line;
+ do {
+ 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();
+ } while(orig != term.line);
return (slide > 0);
}
xw.tw = MAX(1, col * xw.cw);
xw.th = MAX(1, row * xw.ch);
- if(!usedbe) {
- XFreePixmap(xw.dpy, xw.buf);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
- DefaultDepth(xw.dpy, xw.scr));
- XSetForeground(xw.dpy, dc.gc, 0);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
- }
-
+ XFreePixmap(xw.dpy, xw.buf);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+ DefaultDepth(xw.dpy, xw.scr));
XftDrawChange(xw.draw, xw.buf);
+ xclear(0, 0, xw.w, xw.h);
+}
+
+static inline ushort
+sixd_to_16bit(int x) {
+ return x == 0 ? 0 : 0x3737 + 0x2828 * x;
}
void
xloadcols(void) {
int i, r, g, b;
- XRenderColor color = { .alpha = 0 };
+ XRenderColor color = { .alpha = 0xffff };
/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
for(i = 0; i < LEN(colorname); i++) {
for(i = 16, r = 0; r < 6; r++) {
for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
- color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
- color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
- color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+ color.red = sixd_to_16bit(r);
+ color.green = sixd_to_16bit(g);
+ color.blue = sixd_to_16bit(b);
if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
die("Could not allocate color %d\n", i);
}
}
}
+int
+xsetcolorname(int x, const char *name) {
+ XRenderColor color = { .alpha = 0xffff };
+ Colour colour;
+ if (x < 0 || x > LEN(colorname))
+ return -1;
+ if(!name) {
+ if(16 <= x && x < 16 + 216) {
+ int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
+ color.red = sixd_to_16bit(r);
+ color.green = sixd_to_16bit(g);
+ color.blue = sixd_to_16bit(b);
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+ return 0; /* something went wrong */
+ dc.col[x] = colour;
+ return 1;
+ } else if (16 + 216 <= x && x < 256) {
+ color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
+ if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+ return 0; /* something went wrong */
+ dc.col[x] = colour;
+ return 1;
+ } else {
+ name = colorname[x];
+ }
+ }
+ if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
+ return 0;
+ dc.col[x] = colour;
+ return 1;
+}
+
void
xtermclear(int col1, int row1, int col2, int row2) {
XftDrawRect(xw.draw,
if(!match)
return 1;
- if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
- FcPatternDestroy(match);
- return 1;
- }
-
if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
FcPatternDestroy(match);
return 1;
}
+ f->set = NULL;
f->pattern = FcPatternDuplicate(pattern);
f->ascent = f->match->ascent;
f->lbearing = 0;
f->rbearing = f->match->max_advance_width;
- f->height = f->match->height;
+ f->height = f->ascent + f->descent;
f->width = f->lbearing + f->rbearing;
return 0;
xw.cw = dc.font.width;
xw.ch = dc.font.height;
- FcPatternDel(pattern, FC_WEIGHT);
- FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
- if(xloadfont(&dc.bfont, pattern))
- die("st: can't open font %s\n", fontstr);
-
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
- if(xloadfont(&dc.ibfont, pattern))
+ if(xloadfont(&dc.ifont, pattern))
die("st: can't open font %s\n", fontstr);
FcPatternDel(pattern, FC_WEIGHT);
- if(xloadfont(&dc.ifont, pattern))
+ FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
+ if(xloadfont(&dc.ibfont, pattern))
+ die("st: can't open font %s\n", fontstr);
+
+ FcPatternDel(pattern, FC_SLANT);
+ FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
+ if(xloadfont(&dc.bfont, pattern))
die("st: can't open font %s\n", fontstr);
FcPatternDestroy(pattern);
}
+int
+xloadfontset(Font *f) {
+ FcResult result;
+
+ if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result)))
+ return 1;
+ return 0;
+}
+
+void
+xunloadfont(Font *f) {
+ XftFontClose(xw.dpy, f->match);
+ FcPatternDestroy(f->pattern);
+ if(f->set)
+ FcFontSetDestroy(f->set);
+}
+
void
xunloadfonts(void) {
int i, ip;
* Free the loaded fonts in the font cache. This is done backwards
* from the frccur.
*/
- for (i = 0, ip = frccur; i < frclen; i++, ip--) {
- if (ip < 0)
+ for(i = 0, ip = frccur; i < frclen; i++, ip--) {
+ if(ip < 0)
ip = LEN(frc) - 1;
XftFontClose(xw.dpy, frc[ip].font);
}
frccur = -1;
frclen = 0;
- XftFontClose(xw.dpy, dc.font.match);
- FcPatternDestroy(dc.font.pattern);
- FcFontSetDestroy(dc.font.set);
- XftFontClose(xw.dpy, dc.bfont.match);
- FcPatternDestroy(dc.bfont.pattern);
- FcFontSetDestroy(dc.bfont.set);
- XftFontClose(xw.dpy, dc.ifont.match);
- FcPatternDestroy(dc.ifont.pattern);
- FcFontSetDestroy(dc.ifont.set);
- XftFontClose(xw.dpy, dc.ibfont.match);
- FcPatternDestroy(dc.ibfont.pattern);
- FcFontSetDestroy(dc.ibfont.set);
+ xunloadfont(&dc.font);
+ xunloadfont(&dc.bfont);
+ xunloadfont(&dc.ifont);
+ xunloadfont(&dc.ibfont);
}
void
void
xinit(void) {
- XSetWindowAttributes attrs;
XGCValues gcvalues;
Cursor cursor;
Window parent;
- int sw, sh, major, minor;
+ int sw, sh;
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
xw.vis = XDefaultVisual(xw.dpy, xw.scr);
/* font */
- if (!FcInit())
+ if(!FcInit())
die("Could not init fontconfig.\n");
usedfont = (opt_font == NULL)? font : opt_font;
}
/* Events */
- attrs.background_pixel = dc.col[defaultbg].pixel;
- attrs.border_pixel = dc.col[defaultbg].pixel;
- attrs.bit_gravity = NorthWestGravity;
- attrs.event_mask = FocusChangeMask | KeyPressMask
+ 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
| ExposureMask | VisibilityChangeMask | StructureNotifyMask
| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
- attrs.colormap = xw.cmap;
+ xw.attrs.colormap = xw.cmap;
parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
XRootWindow(xw.dpy, xw.scr);
xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
- xw.vis,
- CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
- | CWColormap,
- &attrs);
-
- /* double buffering */
- /*
- if(XdbeQueryExtension(xw.dpy, &major, &minor)) {
- xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win,
- XdbeBackground);
- usedbe = True;
- } else {
- */
- memset(&gcvalues, 0, sizeof(gcvalues));
- gcvalues.graphics_exposures = False;
- dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
- &gcvalues);
- xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
- DefaultDepth(xw.dpy, xw.scr));
- XSetForeground(xw.dpy, dc.gc, 0);
- XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
- //xw.buf = xw.win;
- /*
- }
- */
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
+
+ memset(&gcvalues, 0, sizeof(gcvalues));
+ gcvalues.graphics_exposures = False;
+ dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
+ &gcvalues);
+ xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
+ DefaultDepth(xw.dpy, xw.scr));
+ XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
+ XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
/* Xft rendering context */
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */
- if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+ 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=");
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
- Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
- *temp, revfg, revbg;
+ Colour *fg, *bg, *temp, revfg, revbg;
XRenderColor colfg, colbg;
+ Rectangle r;
frcflags = FRC_NORMAL;
+ if(base.mode & ATTR_ITALIC) {
+ if(base.fg == defaultfg)
+ base.fg = defaultitalic;
+ font = &dc.ifont;
+ frcflags = FRC_ITALIC;
+ } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
+ if(base.fg == defaultfg)
+ base.fg = defaultitalic;
+ font = &dc.ibfont;
+ frcflags = FRC_ITALICBOLD;
+ } else if(base.mode & ATTR_UNDERLINE) {
+ if(base.fg == defaultfg)
+ base.fg = defaultunderline;
+ }
+ fg = &dc.col[base.fg];
+ bg = &dc.col[base.bg];
+
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
frcflags = FRC_BOLD;
}
- if(base.mode & ATTR_ITALIC) {
- font = &dc.ifont;
- frcflags = FRC_ITALIC;
- }
- if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
- font = &dc.ibfont;
- frcflags = FRC_ITALICBOLD;
- }
-
if(IS_SET(MODE_REVERSE)) {
if(fg == &dc.col[defaultfg]) {
fg = &dc.col[defaultbg];
bg = temp;
}
+ if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+ fg = bg;
+
/* Intelligent cleaning up of the borders. */
if(x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx,
/* Clean up the region we want to draw to. */
XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
- fcsets[0] = font->set;
- for (xp = winx; bytelen > 0;) {
+ /* Set the clip region because Xft is sometimes dirty. */
+ r.x = 0;
+ r.y = 0;
+ r.height = xw.ch;
+ r.width = width;
+ XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
+ for(xp = winx; bytelen > 0;) {
/*
* Search for the range in the to be printed string of glyphs
* that are in the main font. Then print that range. If
u8fs = s;
u8fblen = 0;
u8fl = 0;
- for (;;) {
+ for(;;) {
u8c = s;
u8cblen = utf8decode(s, &u8char);
s += u8cblen;
bytelen -= u8cblen;
doesexist = XftCharIndex(xw.dpy, font->match, u8char);
- if (!doesexist || bytelen <= 0) {
- if (bytelen <= 0) {
- if (doesexist) {
+ if(!doesexist || bytelen <= 0) {
+ if(bytelen <= 0) {
+ if(doesexist) {
u8fl++;
u8fblen += u8cblen;
}
}
- if (u8fl > 0) {
+ if(u8fl > 0) {
XftDrawStringUtf8(xw.draw, fg,
font->match, xp,
winy + font->ascent,
(FcChar8 *)u8fs,
u8fblen);
xp += font->width * u8fl;
+
}
break;
}
u8fl++;
u8fblen += u8cblen;
}
- if (doesexist)
+ if(doesexist)
break;
frp = frccur;
/* Search the font cache. */
- for (i = 0; i < frclen; i++, frp--) {
- if (frp <= 0)
+ for(i = 0; i < frclen; i++, frp--) {
+ if(frp <= 0)
frp = LEN(frc) - 1;
- if (frc[frp].c == u8char
+ if(frc[frp].c == u8char
&& frc[frp].flags == frcflags) {
break;
}
}
/* Nothing was found. */
- if (i >= frclen) {
+ if(i >= frclen) {
+ if(!font->set)
+ xloadfontset(font);
+ fcsets[0] = font->set;
+
/*
* Nothing was found in the cache. Now use
* some dozen of Fontconfig calls to get the
FcTrue, fcpattern, &fcres);
/*
- * Overwrite or create the new cache entry
- * entry.
+ * Overwrite or create the new cache entry.
*/
frccur++;
frclen++;
- if (frccur >= LEN(frc))
+ if(frccur >= LEN(frc))
frccur = 0;
- if (frclen > LEN(frc)) {
+ if(frclen > LEN(frc)) {
frclen = LEN(frc);
XftFontClose(xw.dpy, frc[frccur].font);
}
XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
width, 1);
}
+
+ /* Reset clip to none. */
+ XftDrawSetClip(xw.draw, 0);
}
void
xdrawcursor(void) {
static int oldx = 0, oldy = 0;
int sl;
- Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
+ Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
LIMIT(oldx, 0, term.col-1);
LIMIT(oldy, 0, term.row-1);
- if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
- memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
+ memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
/* remove the old cursor */
- if(term.line[oldy][oldx].state & GLYPH_SET) {
- sl = utf8size(term.line[oldy][oldx].c);
- xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
- oldy, 1, sl);
- } else {
- xtermclear(oldx, oldy, oldx, oldy);
- }
+ sl = utf8size(term.line[oldy][oldx].c);
+ xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
+ oldy, 1, sl);
/* draw the new one */
if(!(IS_SET(MODE_HIDE))) {
- if(!(xw.state & WIN_FOCUSED))
- g.bg = defaultucs;
-
- if(IS_SET(MODE_REVERSE))
- g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
+ if(xw.state & WIN_FOCUSED) {
+ if(IS_SET(MODE_REVERSE)) {
+ g.mode |= ATTR_REVERSE;
+ g.fg = defaultcs;
+ g.bg = defaultfg;
+ }
- sl = utf8size(g.c);
- xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+ sl = utf8size(g.c);
+ xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
+ } else {
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ xw.cw - 1, 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + (term.c.x + 1) * xw.cw - 1,
+ borderpx + term.c.y * xw.ch,
+ 1, xw.ch - 1);
+ XftDrawRect(xw.draw, &dc.col[defaultcs],
+ borderpx + term.c.x * xw.cw,
+ borderpx + (term.c.y + 1) * xw.ch - 1,
+ xw.cw, 1);
+ }
oldx = term.c.x, oldy = term.c.y;
}
}
+
+void
+xsettitle(char *p) {
+ XTextProperty prop;
+
+ Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+ &prop);
+ XSetWMName(xw.dpy, xw.win, &prop);
+}
+
void
xresettitle(void) {
- XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+ xsettitle(opt_title ? opt_title : "st");
}
void
void
draw(void) {
- XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
-
drawregion(0, 0, term.col, term.row);
- if(usedbe) {
- XdbeSwapBuffers(xw.dpy, swpinfo, 1);
- } else {
- XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
- xw.h, 0, 0);
- XSetForeground(xw.dpy, dc.gc, 0);
- }
+ XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
+ xw.h, 0, 0);
+ XSetForeground(xw.dpy, dc.gc,
+ dc.col[IS_SET(MODE_REVERSE)?
+ defaultfg : defaultbg].pixel);
}
void
int ic, ib, x, y, ox, sl;
Glyph base, new;
char buf[DRAW_BUF_SIZ];
- bool ena_sel = sel.bx != -1;
+ bool ena_sel = sel.ob.x != -1;
if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
ic = ib = ox = 0;
for(x = x1; x < x2; x++) {
new = term.line[y][x];
- if(ena_sel && *(new.c) && selected(x, y))
+ if(ena_sel && selected(x, y))
new.mode ^= ATTR_REVERSE;
- if(ib > 0 && (!(new.state & GLYPH_SET)
- || ATTRCMP(base, new)
+ if(ib > 0 && (ATTRCMP(base, new)
|| ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
xdraws(buf, base, ox, y, ic, ib);
ic = ib = 0;
}
- if(new.state & GLYPH_SET) {
- if(ib == 0) {
- ox = x;
- base = new;
- }
-
- sl = utf8size(new.c);
- memcpy(buf+ib, new.c, sl);
- ib += sl;
- ++ic;
+ if(ib == 0) {
+ ox = x;
+ base = new;
}
+
+ sl = utf8size(new.c);
+ memcpy(buf+ib, new.c, sl);
+ ib += sl;
+ ++ic;
}
if(ib > 0)
xdraws(buf, base, ox, y, ic, ib);
xw.state &= ~WIN_VISIBLE;
}
+void
+xsetpointermotion(int set) {
+ MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
+ XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
+}
+
void
xseturgency(int add) {
XWMHints *h = XGetWMHints(xw.dpy, xw.win);
void
focus(XEvent *ev) {
+ XFocusChangeEvent *e = &ev->xfocus;
+
+ if(e->mode == NotifyGrab)
+ return;
+
if(ev->type == FocusIn) {
XSetICFocus(xw.xic);
xw.state |= WIN_FOCUSED;
xseturgency(0);
+ if(IS_SET(MODE_FOCUS))
+ ttywrite("\033[I", 3);
} else {
XUnsetICFocus(xw.xic);
xw.state &= ~WIN_FOCUSED;
+ if(IS_SET(MODE_FOCUS))
+ ttywrite("\033[O", 3);
}
}
inline bool
match(uint mask, uint state) {
+ state &= ~(ignoremod);
+
if(mask == XK_NO_MOD && state)
return false;
if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
XKeyEvent *e = &ev->xkey;
KeySym ksym;
char xstr[31], buf[32], *customkey, *cp = buf;
- int len;
+ int len, ret;
+ long c;
Status status;
Shortcut *bp;
- if (IS_SET(MODE_KBDLOCK))
+ if(IS_SET(MODE_KBDLOCK))
return;
len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
if((customkey = kmap(ksym, e->state))) {
len = strlen(customkey);
memcpy(buf, customkey, len);
- /* 2. hardcoded (overrides X lookup) */
+ /* 3. hardcoded (overrides X lookup) */
} else {
if(len == 0)
return;
- if (len == 1 && e->state & Mod1Mask)
- *cp++ = '\033';
+ if(len == 1 && e->state & Mod1Mask) {
+ if(IS_SET(MODE_8BIT)) {
+ if(*xstr < 0177) {
+ c = *xstr | B7;
+ ret = utf8encode(&c, cp);
+ cp += ret;
+ len = 0;
+ }
+ } else {
+ *cp++ = '\033';
+ }
+ }
memcpy(cp, xstr, len);
len = cp - buf + len;
run(void) {
XEvent ev;
fd_set rfd;
- int xfd = XConnectionNumber(xw.dpy), i;
- struct timeval drawtimeout, *tv = NULL;
+ int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+ struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
+
+ gettimeofday(&lastblink, NULL);
+ gettimeofday(&last, NULL);
- for(i = 0;; i++) {
+ for(xev = actionfps;;) {
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
+
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", SERRNO);
}
-
- /*
- * Stop after a certain number of reads so the user does not
- * feel like the system is stuttering.
- */
- if(i < 1000 && FD_ISSET(cmdfd, &rfd)) {
+ if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
-
- /*
- * Just wait a bit so it isn't disturbing the
- * user and the system is able to write something.
- */
- drawtimeout.tv_sec = 0;
- drawtimeout.tv_usec = 5;
- tv = &drawtimeout;
- continue;
+ if(blinktimeout) {
+ blinkset = tattrset(ATTR_BLINK);
+ if(!blinkset && term.mode & ATTR_BLINK)
+ term.mode &= ~(MODE_BLINK);
+ }
}
- i = 0;
- tv = NULL;
- while(XPending(xw.dpy)) {
- XNextEvent(xw.dpy, &ev);
- if(XFilterEvent(&ev, None))
- continue;
- if(handler[ev.type])
- (handler[ev.type])(&ev);
+ if(FD_ISSET(xfd, &rfd))
+ xev = actionfps;
+
+ gettimeofday(&now, NULL);
+ drawtimeout.tv_sec = 0;
+ drawtimeout.tv_usec = (1000/xfps) * 1000;
+ tv = &drawtimeout;
+
+ dodraw = 0;
+ if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
+ tsetdirtattr(ATTR_BLINK);
+ term.mode ^= MODE_BLINK;
+ gettimeofday(&lastblink, NULL);
+ dodraw = 1;
+ }
+ if(TIMEDIFF(now, last) \
+ > (xev? (1000/xfps) : (1000/actionfps))) {
+ dodraw = 1;
+ last = now;
}
- draw();
- XFlush(xw.dpy);
+ if(dodraw) {
+ while(XPending(xw.dpy)) {
+ XNextEvent(xw.dpy, &ev);
+ if(XFilterEvent(&ev, None))
+ continue;
+ if(handler[ev.type])
+ (handler[ev.type])(&ev);
+ }
+
+ draw();
+ XFlush(xw.dpy);
+
+ if(xev && !FD_ISSET(xfd, &rfd))
+ xev--;
+ if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
+ if(blinkset) {
+ if(TIMEDIFF(now, lastblink) \
+ > blinktimeout) {
+ drawtimeout.tv_usec = 1;
+ } else {
+ drawtimeout.tv_usec = (1000 * \
+ (blinktimeout - \
+ TIMEDIFF(now,
+ lastblink)));
+ }
+ } else {
+ tv = NULL;
+ }
+ }
+ }
}
}
+void
+usage(void) {
+ die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+ "usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+ " [-t title] [-w windowid] [-e command ...]\n", argv0);
+}
+
int
main(int argc, char *argv[]) {
- int i, bitm, xr, yr;
+ int bitm, xr, yr;
uint wr, hr;
+ char *titles;
xw.fw = xw.fh = xw.fx = xw.fy = 0;
xw.isfixed = False;
- for(i = 1; i < argc; i++) {
- switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
- case 'c':
- if(++i < argc)
- opt_class = argv[i];
- break;
- case 'e':
- /* eat all remaining arguments */
- if(++i < argc)
- opt_cmd = &argv[i];
- goto run;
- case 'f':
- if(++i < argc)
- opt_font = argv[i];
- break;
- case 'g':
- if(++i >= argc)
- break;
-
- bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
- if(bitm & XValue)
- xw.fx = xr;
- if(bitm & YValue)
- xw.fy = yr;
- if(bitm & WidthValue)
- xw.fw = (int)wr;
- if(bitm & HeightValue)
- xw.fh = (int)hr;
- if(bitm & XNegative && xw.fx == 0)
- xw.fx = -1;
- if(bitm & XNegative && xw.fy == 0)
- xw.fy = -1;
-
- if(xw.fh != 0 && xw.fw != 0)
- xw.isfixed = True;
- break;
- case 'o':
- if(++i < argc)
- opt_io = argv[i];
- break;
- case 't':
- if(++i < argc)
- opt_title = argv[i];
- break;
- case 'v':
- default:
- die(USAGE);
- case 'w':
- if(++i < argc)
- opt_embed = argv[i];
- break;
+ ARGBEGIN {
+ case 'a':
+ allowaltscreen = false;
+ break;
+ case 'c':
+ opt_class = EARGF(usage());
+ break;
+ case 'e':
+ /* eat all remaining arguments */
+ if(argc > 1) {
+ opt_cmd = &argv[1];
+ if(argv[1] != NULL && opt_title == NULL) {
+ titles = strdup(argv[1]);
+ opt_title = basename(titles);
+ }
}
- }
+ goto run;
+ case 'f':
+ opt_font = EARGF(usage());
+ break;
+ case 'g':
+ bitm = XParseGeometry(EARGF(usage()), &xr, &yr, &wr, &hr);
+ if(bitm & XValue)
+ xw.fx = xr;
+ if(bitm & YValue)
+ xw.fy = yr;
+ if(bitm & WidthValue)
+ xw.fw = (int)wr;
+ if(bitm & HeightValue)
+ xw.fh = (int)hr;
+ if(bitm & XNegative && xw.fx == 0)
+ xw.fx = -1;
+ if(bitm & XNegative && xw.fy == 0)
+ xw.fy = -1;
+
+ if(xw.fh != 0 && xw.fw != 0)
+ xw.isfixed = True;
+ break;
+ case 'o':
+ opt_io = EARGF(usage());
+ break;
+ case 't':
+ opt_title = EARGF(usage());
+ break;
+ case 'w':
+ opt_embed = EARGF(usage());
+ break;
+ case 'v':
+ default:
+ usage();
+ } ARGEND;
run:
setlocale(LC_CTYPE, "");
xinit();
ttynew();
selinit();
+ if(xw.isfixed)
+ cresize(xw.h, xw.w);
run();
return 0;