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Made run_command() a normal key/button handler

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This commit is contained in:
Bert 2011-08-12 17:14:14 +02:00
parent 75e36939a1
commit d86c95d795
3 changed files with 200 additions and 176 deletions
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129
config.h
View File

@ -1,9 +1,3 @@
#ifdef _GENERAL_CONFIG
/* enable external commands (defined below)? 0 = off, 1 = on: */
enum { EXT_COMMANDS = 0 };
#endif
#ifdef _WINDOW_CONFIG #ifdef _WINDOW_CONFIG
/* default window dimensions (overwritten via -g option): */ /* default window dimensions (overwritten via -g option): */
@ -42,79 +36,80 @@ enum { THUMB_SIZE = 60 };
/* keyboard mappings for image and thumbnail mode: */ /* keyboard mappings for image and thumbnail mode: */
static const keymap_t keys[] = { static const keymap_t keys[] = {
/* key function argument */ /* ctrl key function argument */
{ XK_q, quit, None }, { False, XK_q, quit, (arg_t) None },
{ XK_r, reload, None }, { False, XK_r, reload, (arg_t) None },
{ XK_f, toggle_fullscreen, None }, { False, XK_f, toggle_fullscreen, (arg_t) None },
{ XK_a, toggle_antialias, None }, { False, XK_a, toggle_antialias, (arg_t) None },
{ XK_A, toggle_alpha, None }, { False, XK_A, toggle_alpha, (arg_t) None },
{ XK_Return, switch_mode, None }, { False, XK_Return, switch_mode, (arg_t) None },
{ XK_g, first, None }, { False, XK_g, first, (arg_t) None },
{ XK_G, last, None }, { False, XK_G, last, (arg_t) None },
{ XK_n, navigate, +1 }, { False, XK_n, navigate, (arg_t) +1 },
{ XK_space, navigate, +1 }, { False, XK_space, navigate, (arg_t) +1 },
{ XK_p, navigate, -1 }, { False, XK_p, navigate, (arg_t) -1 },
{ XK_BackSpace, navigate, -1 }, { False, XK_BackSpace, navigate, (arg_t) -1 },
{ XK_bracketright, navigate, +10 }, { False, XK_bracketright, navigate, (arg_t) +10 },
{ XK_bracketleft, navigate, -10 }, { False, XK_bracketleft, navigate, (arg_t) -10 },
{ XK_D, remove_image, None }, { False, XK_D, remove_image, (arg_t) None },
{ XK_h, move, DIR_LEFT }, { False, XK_h, move, (arg_t) DIR_LEFT },
{ XK_Left, move, DIR_LEFT }, { False, XK_Left, move, (arg_t) DIR_LEFT },
{ XK_j, move, DIR_DOWN }, { False, XK_j, move, (arg_t) DIR_DOWN },
{ XK_Down, move, DIR_DOWN }, { False, XK_Down, move, (arg_t) DIR_DOWN },
{ XK_k, move, DIR_UP }, { False, XK_k, move, (arg_t) DIR_UP },
{ XK_Up, move, DIR_UP }, { False, XK_Up, move, (arg_t) DIR_UP },
{ XK_l, move, DIR_RIGHT }, { False, XK_l, move, (arg_t) DIR_RIGHT },
{ XK_Right, move, DIR_RIGHT }, { False, XK_Right, move, (arg_t) DIR_RIGHT },
{ XK_braceleft, pan_screen, DIR_LEFT }, { False, XK_braceleft, pan_screen, (arg_t) DIR_LEFT },
{ XK_Next, pan_screen, DIR_DOWN }, { False, XK_Next, pan_screen, (arg_t) DIR_DOWN },
{ XK_Prior, pan_screen, DIR_UP }, { False, XK_Prior, pan_screen, (arg_t) DIR_UP },
{ XK_braceright, pan_screen, DIR_RIGHT }, { False, XK_braceright, pan_screen, (arg_t) DIR_RIGHT },
{ XK_H, pan_edge, DIR_LEFT }, { False, XK_H, pan_edge, (arg_t) DIR_LEFT },
{ XK_J, pan_edge, DIR_DOWN }, { False, XK_J, pan_edge, (arg_t) DIR_DOWN },
{ XK_K, pan_edge, DIR_UP }, { False, XK_K, pan_edge, (arg_t) DIR_UP },
{ XK_L, pan_edge, DIR_RIGHT }, { False, XK_L, pan_edge, (arg_t) DIR_RIGHT },
{ XK_plus, zoom, +1 }, { False, XK_plus, zoom, (arg_t) +1 },
{ XK_equal, zoom, +1 }, { False, XK_equal, zoom, (arg_t) +1 },
{ XK_KP_Add, zoom, +1 }, { False, XK_KP_Add, zoom, (arg_t) +1 },
{ XK_minus, zoom, -1 }, { False, XK_minus, zoom, (arg_t) -1 },
{ XK_KP_Subtract, zoom, -1 }, { False, XK_KP_Subtract, zoom, (arg_t) -1 },
{ XK_0, zoom, 0 }, { False, XK_0, zoom, (arg_t) None },
{ XK_KP_0, zoom, 0 }, { False, XK_KP_0, zoom, (arg_t) None },
{ XK_w, fit_to_win, None }, { False, XK_w, fit_to_win, (arg_t) None },
{ XK_W, fit_to_img, None }, { False, XK_W, fit_to_img, (arg_t) None },
{ XK_less, rotate, DIR_LEFT }, { False, XK_less, rotate, (arg_t) DIR_LEFT },
{ XK_greater, rotate, DIR_RIGHT }, { False, XK_greater, rotate, (arg_t) DIR_RIGHT },
};
/* external commands and corresponding key mappings: */ /* open the current image with given program: */
static const command_t commands[] = { { True, XK_g, open_with, (arg_t) "gimp" },
/* ctrl-... reload? command, '#' is replaced by filename */
{ XK_comma, True, "jpegtran -rotate 270 -copy all -outfile # #" }, /* run shell command line on the current file,
{ XK_period, True, "jpegtran -rotate 90 -copy all -outfile # #" }, * '#' is replaced by filename: */
{ XK_less, True, "mogrify -rotate -90 #" }, { True, XK_less, run_command, (arg_t) "mogrify -rotate -90 #" },
{ XK_greater, True, "mogrify -rotate +90 #" } { True, XK_greater, run_command, (arg_t) "mogrify -rotate +90 #" },
{ True, XK_comma, run_command, (arg_t) "jpegtran -rotate 270 -copy all -outfile # #" },
{ True, XK_period, run_command, (arg_t) "jpegtran -rotate 90 -copy all -outfile # #" },
}; };
/* mouse button mappings for image mode: */ /* mouse button mappings for image mode: */
static const button_t buttons[] = { static const button_t buttons[] = {
/* modifier button function argument */ /* ctrl shift button function argument */
{ None, Button1, navigate, +1 }, { False, False, Button1, navigate, (arg_t) +1 },
{ None, Button3, navigate, -1 }, { False, False, Button3, navigate, (arg_t) -1 },
{ None, Button2, drag, None }, { False, False, Button2, drag, (arg_t) None },
{ None, Button4, move, DIR_UP }, { False, False, Button4, move, (arg_t) DIR_UP },
{ None, Button5, move, DIR_DOWN }, { False, False, Button5, move, (arg_t) DIR_DOWN },
{ ShiftMask, Button4, move, DIR_LEFT }, { False, True, Button4, move, (arg_t) DIR_LEFT },
{ ShiftMask, Button5, move, DIR_RIGHT }, { False, True, Button5, move, (arg_t) DIR_RIGHT },
{ ControlMask, Button4, zoom, +1 }, { True, False, Button4, zoom, (arg_t) +1 },
{ ControlMask, Button5, zoom, -1 }, { True, False, Button5, zoom, (arg_t) -1 },
}; };
#endif #endif

233
events.c
View File

@ -58,62 +58,6 @@ extern int filecnt, fileidx;
int timo_cursor; int timo_cursor;
int timo_redraw; int timo_redraw;
int run_command(const char *cline, Bool reload) {
int fncnt, fnlen;
char *cn, *cmdline;
const char *co, *fname;
pid_t pid;
int ret, status;
if (!cline || !*cline)
return 0;
fncnt = 0;
co = cline - 1;
while ((co = strchr(co + 1, '#')))
fncnt++;
if (!fncnt)
return 0;
ret = 0;
fname = filenames[mode == MODE_NORMAL ? fileidx : tns.sel];
fnlen = strlen(fname);
cn = cmdline = (char*) s_malloc((strlen(cline) + fncnt * (fnlen + 2)) *
sizeof(char));
/* replace all '#' with filename */
for (co = cline; *co; co++) {
if (*co == '#') {
*cn++ = '"';
strcpy(cn, fname);
cn += fnlen;
*cn++ = '"';
} else {
*cn++ = *co;
}
}
*cn = '\0';
if ((pid = fork()) == 0) {
execlp("/bin/sh", "/bin/sh", "-c", cmdline, NULL);
warn("could not exec: /bin/sh");
exit(1);
} else if (pid < 0) {
warn("could not fork. command line was: %s", cmdline);
} else if (reload) {
waitpid(pid, &status, 0);
if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
ret = 1;
else
warn("child exited with non-zero return value: %d. command line was: %s",
WEXITSTATUS(status), cmdline);
}
free(cmdline);
return ret;
}
void redraw() { void redraw() {
if (mode == MODE_NORMAL) { if (mode == MODE_NORMAL) {
img_render(&img, &win); img_render(&img, &win);
@ -128,6 +72,15 @@ void redraw() {
timo_redraw = 0; timo_redraw = 0;
} }
Bool keymask(const keymap_t *k, unsigned int state) {
return (k->ctrl ? ControlMask : 0) == (state & ControlMask);
}
Bool buttonmask(const button_t *b, unsigned int state) {
return ((b->ctrl ? ControlMask : 0) | (b->shift ? ShiftMask : 0)) ==
(state & (ControlMask | ShiftMask));
}
void on_keypress(XKeyEvent *kev) { void on_keypress(XKeyEvent *kev) {
int i; int i;
KeySym ksym; KeySym ksym;
@ -138,38 +91,9 @@ void on_keypress(XKeyEvent *kev) {
XLookupString(kev, &key, 1, &ksym, NULL); XLookupString(kev, &key, 1, &ksym, NULL);
if (EXT_COMMANDS && (CLEANMASK(kev->state) & ControlMask)) {
for (i = 0; i < LEN(commands); i++) {
if (commands[i].ksym == ksym) {
win_set_cursor(&win, CURSOR_WATCH);
if (run_command(commands[i].cmdline, commands[i].reload)) {
if (mode == MODE_NORMAL) {
if (fileidx < tns.cnt)
tns_load(&tns, fileidx, filenames[fileidx], 1);
img_close(&img, 1);
load_image(fileidx);
} else {
if (!tns_load(&tns, tns.sel, filenames[tns.sel], 0)) {
remove_file(tns.sel, 0);
tns.dirty = 1;
if (tns.sel >= tns.cnt)
tns.sel = tns.cnt - 1;
}
}
redraw();
}
if (mode == MODE_THUMBS)
win_set_cursor(&win, CURSOR_ARROW);
else if (!timo_cursor)
win_set_cursor(&win, CURSOR_NONE);
return;
}
}
}
for (i = 0; i < LEN(keys); i++) { for (i = 0; i < LEN(keys); i++) {
if (ksym == keys[i].ksym && keys[i].handler) { if (keymask(&keys[i], kev->state) && ksym == keys[i].ksym) {
if (keys[i].handler(keys[i].arg)) if (keys[i].handler && keys[i].handler(keys[i].arg))
redraw(); redraw();
return; return;
} }
@ -187,10 +111,10 @@ void on_buttonpress(XButtonEvent *bev) {
timo_cursor = TO_CURSOR_HIDE; timo_cursor = TO_CURSOR_HIDE;
for (i = 0; i < LEN(buttons); i++) { for (i = 0; i < LEN(buttons); i++) {
if (CLEANMASK(bev->state) == CLEANMASK(buttons[i].mod) && if (buttonmask(&buttons[i], bev->state) &&
bev->button == buttons[i].button && buttons[i].handler) bev->button == buttons[i].button)
{ {
if (buttons[i].handler(buttons[i].arg)) if (buttons[i].handler && buttons[i].handler(buttons[i].arg))
redraw(); redraw();
return; return;
} }
@ -379,7 +303,9 @@ int switch_mode(arg_t a) {
return 1; return 1;
} }
int navigate(arg_t n) { int navigate(arg_t a) {
int n = (int) a;
if (mode == MODE_NORMAL) { if (mode == MODE_NORMAL) {
n += fileidx; n += fileidx;
if (n < 0) if (n < 0)
@ -437,21 +363,27 @@ int remove_image(arg_t a) {
} }
} }
int move(arg_t dir) { int move(arg_t a) {
direction_t dir = (direction_t) a;
if (mode == MODE_NORMAL) if (mode == MODE_NORMAL)
return img_pan(&img, &win, dir, 0); return img_pan(&img, &win, dir, 0);
else else
return tns_move_selection(&tns, &win, dir); return tns_move_selection(&tns, &win, dir);
} }
int pan_screen(arg_t dir) { int pan_screen(arg_t a) {
direction_t dir = (direction_t) a;
if (mode == MODE_NORMAL) if (mode == MODE_NORMAL)
return img_pan(&img, &win, dir, 1); return img_pan(&img, &win, dir, 1);
else else
return 0; return 0;
} }
int pan_edge(arg_t dir) { int pan_edge(arg_t a) {
direction_t dir = (direction_t) a;
if (mode == MODE_NORMAL) if (mode == MODE_NORMAL)
return img_pan_edge(&img, &win, dir); return img_pan_edge(&img, &win, dir);
else else
@ -459,7 +391,7 @@ int pan_edge(arg_t dir) {
} }
/* Xlib helper function for drag() */ /* Xlib helper function for drag() */
Bool ismnotify(Display *d, XEvent *e, XPointer a) { Bool is_motionnotify(Display *d, XEvent *e, XPointer a) {
return e != NULL && e->type == MotionNotify; return e != NULL && e->type == MotionNotify;
} }
@ -498,7 +430,7 @@ int drag(arg_t a) {
break; break;
} }
if (dragging) if (dragging)
next = XCheckIfEvent(win.env.dpy, &e, ismnotify, None); next = XCheckIfEvent(win.env.dpy, &e, is_motionnotify, None);
if ((!dragging || !next) && (dx != 0 || dy != 0)) { if ((!dragging || !next) && (dx != 0 || dy != 0)) {
if (img_move(&img, &win, dx, dy)) if (img_move(&img, &win, dx, dy))
img_render(&img, &win); img_render(&img, &win);
@ -513,7 +445,9 @@ int drag(arg_t a) {
return 0; return 0;
} }
int rotate(arg_t dir) { int rotate(arg_t a) {
direction_t dir = (direction_t) a;
if (mode == MODE_NORMAL) { if (mode == MODE_NORMAL) {
if (dir == DIR_LEFT) { if (dir == DIR_LEFT) {
img_rotate_left(&img, &win); img_rotate_left(&img, &win);
@ -526,7 +460,9 @@ int rotate(arg_t dir) {
return 0; return 0;
} }
int zoom(arg_t scale) { int zoom(arg_t a) {
int scale = (int) a;
if (mode != MODE_NORMAL) if (mode != MODE_NORMAL)
return 0; return 0;
if (scale > 0) if (scale > 0)
@ -537,7 +473,9 @@ int zoom(arg_t scale) {
return img_zoom(&img, &win, 1.0); return img_zoom(&img, &win, 1.0);
} }
int fit_to_win(arg_t ret) { int fit_to_win(arg_t a) {
int ret;
if (mode == MODE_NORMAL) { if (mode == MODE_NORMAL) {
if ((ret = img_fit_win(&img, &win))) if ((ret = img_fit_win(&img, &win)))
img_center(&img, &win); img_center(&img, &win);
@ -547,8 +485,8 @@ int fit_to_win(arg_t ret) {
} }
} }
int fit_to_img(arg_t ret) { int fit_to_img(arg_t a) {
int x, y; int ret, x, y;
unsigned int w, h; unsigned int w, h;
if (mode == MODE_NORMAL) { if (mode == MODE_NORMAL) {
@ -565,3 +503,96 @@ int fit_to_img(arg_t ret) {
return 0; return 0;
} }
} }
int open_with(arg_t a) {
const char *prog = (const char*) a;
pid_t pid;
if (!prog || !*prog)
return 0;
if((pid = fork()) == 0) {
execlp(prog, prog,
filenames[mode == MODE_NORMAL ? fileidx : tns.sel], NULL);
warn("could not exec: %s", prog);
exit(1);
} else if (pid < 0) {
warn("could not for. program was: %s", prog);
}
return 0;
}
int run_command(arg_t a) {
const char *cline = (const char*) a;
char *cn, *cmdline;
const char *co, *fname;
int fncnt, fnlen, status;
pid_t pid;
if (!cline || !*cline)
return 0;
/* build command line: */
fncnt = 0;
co = cline - 1;
while ((co = strchr(co + 1, '#')))
fncnt++;
if (!fncnt)
return 0;
fname = filenames[mode == MODE_NORMAL ? fileidx : tns.sel];
fnlen = strlen(fname);
cn = cmdline = (char*) s_malloc((strlen(cline) + fncnt * (fnlen + 2)) *
sizeof(char));
/* replace all '#' with filename: */
for (co = cline; *co; co++) {
if (*co == '#') {
*cn++ = '"';
strcpy(cn, fname);
cn += fnlen;
*cn++ = '"';
} else {
*cn++ = *co;
}
}
*cn = '\0';
win_set_cursor(&win, CURSOR_WATCH);
if ((pid = fork()) == 0) {
execl("/bin/sh", "/bin/sh", "-c", cmdline, NULL);
warn("could not exec: /bin/sh");
exit(1);
} else if (pid < 0) {
warn("could not fork. command line was: %s", cmdline);
goto end;
}
waitpid(pid, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
warn("child exited with non-zero return value: %d. command line was: %s",
WEXITSTATUS(status), cmdline);
if (mode == MODE_NORMAL) {
if (fileidx < tns.cnt)
tns_load(&tns, fileidx, filenames[fileidx], 1);
img_close(&img, 1);
load_image(fileidx);
} else {
if (!tns_load(&tns, tns.sel, filenames[tns.sel], 0)) {
remove_file(tns.sel, 0);
tns.dirty = 1;
if (tns.sel >= tns.cnt)
tns.sel = tns.cnt - 1;
}
}
end:
if (mode == MODE_THUMBS)
win_set_cursor(&win, CURSOR_ARROW);
/* else: cursor is reset in redraw() */
free(cmdline);
return 1;
}

14
events.h
View File

@ -21,22 +21,18 @@
#include <X11/Xlib.h> #include <X11/Xlib.h>
typedef struct { typedef void* arg_t;
KeySym ksym;
Bool reload;
const char *cmdline;
} command_t;
typedef int arg_t;
typedef struct { typedef struct {
Bool ctrl;
KeySym ksym; KeySym ksym;
int (*handler)(arg_t); int (*handler)(arg_t);
arg_t arg; arg_t arg;
} keymap_t; } keymap_t;
typedef struct { typedef struct {
unsigned int mod; Bool ctrl;
Bool shift;
unsigned int button; unsigned int button;
int (*handler)(arg_t); int (*handler)(arg_t);
arg_t arg; arg_t arg;
@ -63,5 +59,7 @@ int rotate(arg_t);
int zoom(arg_t); int zoom(arg_t);
int fit_to_win(arg_t); int fit_to_win(arg_t);
int fit_to_img(arg_t); int fit_to_img(arg_t);
int open_with(arg_t);
int run_command(arg_t);
#endif /* EVENTS_H */ #endif /* EVENTS_H */