#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>
MODE_CRLF = 16,
MODE_MOUSEBTN = 32,
MODE_MOUSEMOTION = 64,
- MODE_MOUSE = 32|64,
MODE_REVERSE = 128,
MODE_KBDLOCK = 256,
MODE_HIDE = 512,
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 {
XIC xic;
Draw draw;
Visual *vis;
+ XSetWindowAttributes attrs;
int scr;
bool isfixed; /* is fixed geometry? */
int fx, fy, fw, fh; /* fixed geometry */
signed char crlf; /* crlf mode */
} Key;
-/* TODO: use better name for vars... */
typedef struct {
int mode;
int type;
int snap;
- int bx, by;
- int ex, ey;
+ /*
+ * 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;
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 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 char *opt_embed = NULL;
static char *opt_class = NULL;
static char *opt_font = NULL;
+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.ey == y && sel.by == y) {
- bx = MIN(sel.bx, sel.ex);
- ex = MAX(sel.bx, sel.ex);
-
- return BETWEEN(x, bx, ex);
- }
+ if(sel.ne.y == y && sel.nb.y == y)
+ return BETWEEN(x, sel.nb.x, sel.ne.x);
if(sel.type == SEL_RECTANGULAR) {
- return ((sel.b.y <= y && y <= sel.e.y)
- && (sel.b.x <= x && x <= sel.e.x));
+ 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
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.by < sel.ey
- || (sel.by == sel.ey && sel.bx < sel.ex)) {
- selsnap(sel.snap, &sel.bx, &sel.by, -1);
- selsnap(sel.snap, &sel.ex, &sel.ey, +1);
+ 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.ex, &sel.ey, -1);
- selsnap(sel.snap, &sel.bx, &sel.by, +1);
+ selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
+ selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
}
-
- 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);
+ selsort();
sel.type = SEL_REGULAR;
for(type = 1; type < LEN(selmasks); ++type) {
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;
+ /* MOUSE_MOTION: no reporting if no button is pressed */
+ if(IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
return;
- button = ob + 32;
- ox = x, oy = y;
+
+ 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;
}
gettimeofday(&now, NULL);
/* Clear previous selection, logically and visually. */
- if(sel.bx != -1) {
- sel.bx = -1;
- tsetdirt(sel.b.y, sel.e.y);
- draw();
- }
+ selclear(NULL);
sel.mode = 1;
sel.type = SEL_REGULAR;
- sel.ex = sel.bx = x2col(e->xbutton.x);
- sel.ey = sel.by = y2row(e->xbutton.y);
+ 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
} else {
sel.snap = 0;
}
- selsnap(sel.snap, &sel.bx, &sel.by, -1);
- selsnap(sel.snap, &sel.ex, &sel.ey, +1);
- sel.b.x = sel.bx;
- sel.b.y = sel.by;
- sel.e.x = sel.ex;
- sel.e.y = sel.ey;
+ 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
*/
if(sel.snap != 0) {
sel.mode++;
- tsetdirt(sel.b.y, sel.e.y);
+ tsetdirt(sel.nb.y, sel.ne.y);
draw();
}
sel.tclick2 = sel.tclick1;
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 = sel.b.y; y < sel.e.y + 1; y++) {
+ for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
gp = &term.line[y][0];
last = gp + term.col;
* st.
* FIXME: Fix the computer world.
*/
- if(y < sel.e.y && !((gp-1)->mode & ATTR_WRAP))
+ 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.e.y) {
+ if(y == sel.ne.y) {
i = term.col;
while(--i > 0 && term.line[y][i].c[0] == ' ')
/* nothing */;
- ex = sel.e.x;
- if(sel.b.y == sel.e.y && sel.e.x < sel.b.x)
- ex = sel.b.x;
+ 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';
}
void
selclear(XEvent *e) {
- if(sel.bx == -1)
+ 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
selpaste(NULL);
} else if(e->xbutton.button == Button1) {
if(sel.mode < 2) {
- sel.bx = -1;
+ selclear(NULL);
} else {
getbuttoninfo(e);
selcopy();
}
sel.mode = 0;
- term.dirty[sel.ey] = 1;
+ tsetdirt(sel.nb.y, sel.ne.y);
}
}
return;
sel.mode++;
- oldey = sel.ey;
- oldex = sel.ex;
- oldsby = sel.b.y;
- oldsey = sel.e.y;
+ 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) {
- tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
- }
+ if(oldey != sel.oe.y || oldex != sel.oe.x)
+ tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
}
void
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.type == SEL_RECTANGULAR) {
- if(sel.by < term.top)
- sel.by = term.top;
- if(sel.ey > term.bot)
- sel.ey = term.bot;
+ 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.by < term.top) {
- sel.by = term.top;
- sel.bx = 0;
+ if(sel.ob.y < term.top) {
+ sel.ob.y = term.top;
+ sel.ob.x = 0;
}
- if(sel.ey > term.bot) {
- sel.ey = term.bot;
- sel.ex = term.col;
+ 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();
}
}
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);
- MODBIT(term.mode, 0, MODE_MOUSEMOTION);
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);
- MODBIT(term.mode, 0, MODE_MOUSEBTN);
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:
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) {
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);
*/
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(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);
void
xinit(void) {
- XSetWindowAttributes attrs;
XGCValues gcvalues;
Cursor cursor;
Window parent;
}
/* 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);
+ xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+ | CWEventMask | CWColormap, &xw.attrs);
memset(&gcvalues, 0, sizeof(gcvalues));
gcvalues.graphics_exposures = False;
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=");
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;
}
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);
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);
}
}
main(int argc, char *argv[]) {
int bitm, xr, yr;
uint wr, hr;
+ char *titles;
xw.fw = xw.fh = xw.fx = xw.fy = 0;
xw.isfixed = False;
break;
case 'e':
/* eat all remaining arguments */
- if(argc > 1)
+ 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());
Got questions, comments, patches, etc.? Contact Jason Woofenden