]> Dogcows Code - chaz/tint2/blob - src/tint.c
projects / chaz / tint2 / blob
? search:


cfd24bb86f39b1775881dcb4ec52b37d0c0ac152
[chaz/tint2] / src / tint.c
1 /**************************************************************************
2 *
3 * Tint2 panel
4 *
5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 **************************************************************************/
20
21 #include <sys/stat.h>
22 #include <unistd.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <stdint.h>
26 #include <string.h>
27 #include <X11/Xutil.h>
28 #include <X11/Xatom.h>
29 #include <X11/Xlocale.h>
30 #include <X11/extensions/Xdamage.h>
31 #include <Imlib2.h>
32 #include <signal.h>
33
34 #include <version.h>
35 #include "server.h"
36 #include "window.h"
37 #include "config.h"
38 #include "task.h"
39 #include "taskbar.h"
40 #include "systraybar.h"
41 #include "launcher.h"
42 #include "panel.h"
43 #include "tooltip.h"
44 #include "timer.h"
45 #include "xsettings-client.h"
46
47 // Drag and Drop state variables
48 Window dnd_source_window;
49 Window dnd_target_window;
50 int dnd_version;
51 Atom dnd_selection;
52 Atom dnd_atom;
53 int dnd_sent_request;
54 char *dnd_launcher_exec;
55
56 void signal_handler(int sig)
57 {
58 // signal handler is light as it should be
59 signal_pending = sig;
60 }
61
62
63 void init (int argc, char *argv[])
64 {
65 int i;
66
67 // set global data
68 default_config();
69 default_timeout();
70 default_systray();
71 memset(&server, 0, sizeof(Server_global));
72 #ifdef ENABLE_BATTERY
73 default_battery();
74 #endif
75 default_clock();
76 default_launcher();
77 default_taskbar();
78 default_tooltip();
79 default_panel();
80
81 // read options
82 for (i = 1; i < argc; ++i) {
83 if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
84 printf("Usage: tint2 [-c] <config_file>\n");
85 exit(0);
86 }
87 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) {
88 printf("tint2 version %s\n", VERSION_STRING);
89 exit(0);
90 }
91 if (!strcmp(argv[i], "-c")) {
92 i++;
93 if (i < argc)
94 config_path = strdup(argv[i]);
95 }
96 if (!strcmp(argv[i], "-s")) {
97 i++;
98 if (i < argc)
99 snapshot_path = strdup(argv[i]);
100 }
101 }
102 // Set signal handler
103 signal_pending = 0;
104 struct sigaction sa = { .sa_handler = signal_handler };
105 struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
106 sigaction(SIGUSR1, &sa, 0);
107 sigaction(SIGINT, &sa, 0);
108 sigaction(SIGTERM, &sa, 0);
109 sigaction(SIGHUP, &sa, 0);
110 sigaction(SIGCHLD, &sa_chld, 0);
111
112 // BSD does not support pselect(), therefore we have to use select and hope that we do not
113 // end up in a race condition there (see 'man select()' on a linux machine for more information)
114 // block all signals, such that no race conditions occur before pselect in our main loop
115 // sigset_t block_mask;
116 // sigaddset(&block_mask, SIGINT);
117 // sigaddset(&block_mask, SIGTERM);
118 // sigaddset(&block_mask, SIGHUP);
119 // sigaddset(&block_mask, SIGUSR1);
120 // sigprocmask(SIG_BLOCK, &block_mask, 0);
121 }
122
123 void init_X11()
124 {
125 server.dsp = XOpenDisplay (NULL);
126 if (!server.dsp) {
127 fprintf(stderr, "tint2 exit : could not open display.\n");
128 exit(0);
129 }
130 server_init_atoms ();
131 server.screen = DefaultScreen (server.dsp);
132 server.root_win = RootWindow(server.dsp, server.screen);
133 server.desktop = server_get_current_desktop ();
134 server_init_visual();
135 XSetErrorHandler ((XErrorHandler) server_catch_error);
136
137 imlib_context_set_display (server.dsp);
138 imlib_context_set_visual (server.visual);
139 imlib_context_set_colormap (server.colormap);
140
141 /* Catch events */
142 XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
143
144 setlocale (LC_ALL, "");
145 // config file use '.' as decimal separator
146 setlocale(LC_NUMERIC, "POSIX");
147
148 // load default icon
149 gchar *path;
150 const gchar * const *data_dirs;
151 data_dirs = g_get_system_data_dirs ();
152 int i;
153 for (i = 0; data_dirs[i] != NULL; i++) {
154 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
155 if (g_file_test (path, G_FILE_TEST_EXISTS))
156 default_icon = imlib_load_image(path);
157 g_free(path);
158 }
159
160 // get monitor and desktop config
161 get_monitors();
162 get_desktops();
163 }
164
165
166 void cleanup()
167 {
168 cleanup_systray();
169 cleanup_tooltip();
170 cleanup_clock();
171 cleanup_launcher();
172 #ifdef ENABLE_BATTERY
173 cleanup_battery();
174 #endif
175 cleanup_panel();
176 cleanup_config();
177
178 if (default_icon) {
179 imlib_context_set_image(default_icon);
180 imlib_free_image();
181 }
182 imlib_context_disconnect_display();
183
184 cleanup_server();
185 cleanup_timeout();
186 if (server.dsp) XCloseDisplay(server.dsp);
187 }
188
189
190 void get_snapshot(const char *path)
191 {
192 Panel *panel = &panel1[0];
193
194 if (panel->area.width > server.monitor[0].width)
195 panel->area.width = server.monitor[0].width;
196
197 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
198 rendering(panel);
199
200 Imlib_Image img = NULL;
201 imlib_context_set_drawable(panel->temp_pmap);
202 img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
203
204 imlib_context_set_image(img);
205 if (!panel_horizontal) {
206 // rotate 90° vertical panel
207 imlib_image_flip_horizontal();
208 imlib_image_flip_diagonal();
209 }
210 imlib_save_image(path);
211 imlib_free_image();
212 }
213
214
215 void window_action (Task *tsk, int action)
216 {
217 if (!tsk) return;
218 int desk;
219 switch (action) {
220 case CLOSE:
221 set_close (tsk->win);
222 break;
223 case TOGGLE:
224 set_active(tsk->win);
225 break;
226 case ICONIFY:
227 XIconifyWindow (server.dsp, tsk->win, server.screen);
228 break;
229 case TOGGLE_ICONIFY:
230 if (task_active && tsk->win == task_active->win)
231 XIconifyWindow (server.dsp, tsk->win, server.screen);
232 else
233 set_active (tsk->win);
234 break;
235 case SHADE:
236 window_toggle_shade (tsk->win);
237 break;
238 case MAXIMIZE_RESTORE:
239 window_maximize_restore (tsk->win);
240 break;
241 case MAXIMIZE:
242 window_maximize_restore (tsk->win);
243 break;
244 case RESTORE:
245 window_maximize_restore (tsk->win);
246 break;
247 case DESKTOP_LEFT:
248 if ( tsk->desktop == 0 ) break;
249 desk = tsk->desktop - 1;
250 windows_set_desktop(tsk->win, desk);
251 if (desk == server.desktop)
252 set_active(tsk->win);
253 break;
254 case DESKTOP_RIGHT:
255 if (tsk->desktop == server.nb_desktop ) break;
256 desk = tsk->desktop + 1;
257 windows_set_desktop(tsk->win, desk);
258 if (desk == server.desktop)
259 set_active(tsk->win);
260 break;
261 case NEXT_TASK:
262 if (task_active) {
263 Task *tsk1;
264 tsk1 = next_task(task_active);
265 set_active(tsk1->win);
266 }
267 break;
268 case PREV_TASK:
269 if (task_active) {
270 Task *tsk1;
271 tsk1 = prev_task(task_active);
272 set_active(tsk1->win);
273 }
274 }
275 }
276
277
278 int tint2_handles_click(Panel* panel, XButtonEvent* e)
279 {
280 Task* task = click_task(panel, e->x, e->y);
281 if (task) {
282 if( (e->button == 1)
283 || (e->button == 2 && mouse_middle != 0)
284 || (e->button == 3 && mouse_right != 0)
285 || (e->button == 4 && mouse_scroll_up != 0)
286 || (e->button == 5 && mouse_scroll_down !=0) )
287 {
288 return 1;
289 }
290 else
291 return 0;
292 }
293 LauncherIcon *icon = click_launcher_icon(panel, e->x, e->y);
294 if (icon) {
295 if (e->button == 1) {
296 return 1;
297 } else {
298 return 0;
299 }
300 }
301 // no launcher/task clicked --> check if taskbar clicked
302 Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
303 if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
304 return 1;
305 if (click_clock(panel, e->x, e->y)) {
306 if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
307 return 1;
308 else
309 return 0;
310 }
311 return 0;
312 }
313
314
315 void forward_click(XEvent* e)
316 {
317 // forward the click to the desktop window (thanks conky)
318 XUngrabPointer(server.dsp, e->xbutton.time);
319 e->xbutton.window = server.root_win;
320 // icewm doesn't open under the mouse.
321 // and xfce doesn't open at all.
322 e->xbutton.x = e->xbutton.x_root;
323 e->xbutton.y = e->xbutton.y_root;
324 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
325 //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
326 XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
327 }
328
329
330 void event_button_press (XEvent *e)
331 {
332 Panel *panel = get_panel(e->xany.window);
333 if (!panel) return;
334
335
336 if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
337 forward_click(e);
338 return;
339 }
340 task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
341
342 if (panel_layer == BOTTOM_LAYER)
343 XLowerWindow (server.dsp, panel->main_win);
344 }
345
346 void event_button_motion_notify (XEvent *e)
347 {
348 Panel * panel = get_panel(e->xany.window);
349 if(!panel || !task_drag)
350 return;
351
352 // Find the taskbar on the event's location
353 Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
354 if(event_taskbar == NULL)
355 return;
356
357 // Find the task on the event's location
358 Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
359
360 // If the event takes place on the same taskbar as the task being dragged
361 if(event_taskbar == task_drag->area.parent) {
362 // Swap the task_drag with the task on the event's location (if they differ)
363 if(event_task && event_task != task_drag) {
364 GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
365 GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
366 if(drag_iter && task_iter) {
367 gpointer temp = task_iter->data;
368 task_iter->data = drag_iter->data;
369 drag_iter->data = temp;
370 event_taskbar->area.resize = 1;
371 panel_refresh = 1;
372 task_dragged = 1;
373 }
374 }
375 }
376 else { // The event is on another taskbar than the task being dragged
377 if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
378 return;
379
380 Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
381 drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
382
383 if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy) {
384 int i = (taskbarname_enabled) ? 1 : 0;
385 event_taskbar->area.list = g_slist_insert(event_taskbar->area.list, task_drag, i);
386 }
387 else
388 event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
389
390 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
391 task_drag->area.parent = event_taskbar;
392 task_drag->desktop = event_taskbar->desktop;
393
394 windows_set_desktop(task_drag->win, event_taskbar->desktop);
395
396 event_taskbar->area.resize = 1;
397 drag_taskbar->area.resize = 1;
398 task_dragged = 1;
399 panel_refresh = 1;
400 }
401 }
402
403 void event_button_release (XEvent *e)
404 {
405 Panel *panel = get_panel(e->xany.window);
406 if (!panel) return;
407
408 if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
409 forward_click(e);
410 if (panel_layer == BOTTOM_LAYER)
411 XLowerWindow (server.dsp, panel->main_win);
412 task_drag = 0;
413 return;
414 }
415
416 int action = TOGGLE_ICONIFY;
417 switch (e->xbutton.button) {
418 case 2:
419 action = mouse_middle;
420 break;
421 case 3:
422 action = mouse_right;
423 break;
424 case 4:
425 action = mouse_scroll_up;
426 break;
427 case 5:
428 action = mouse_scroll_down;
429 break;
430 case 6:
431 action = mouse_tilt_left;
432 break;
433 case 7:
434 action = mouse_tilt_right;
435 break;
436 }
437
438 if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
439 clock_action(e->xbutton.button);
440 if (panel_layer == BOTTOM_LAYER)
441 XLowerWindow (server.dsp, panel->main_win);
442 task_drag = 0;
443 return;
444 }
445
446 if ( click_launcher(panel, e->xbutton.x, e->xbutton.y)) {
447 LauncherIcon *icon = click_launcher_icon(panel, e->xbutton.x, e->xbutton.y);
448 if (icon) {
449 launcher_action(icon);
450 }
451 task_drag = 0;
452 return;
453 }
454
455 Taskbar *tskbar;
456 if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
457 // TODO: check better solution to keep window below
458 if (panel_layer == BOTTOM_LAYER)
459 XLowerWindow (server.dsp, panel->main_win);
460 task_drag = 0;
461 return;
462 }
463
464 // drag and drop task
465 if (task_dragged) {
466 task_drag = 0;
467 task_dragged = 0;
468 return;
469 }
470
471 // switch desktop
472 if (panel_mode == MULTI_DESKTOP) {
473 if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
474 set_desktop (tskbar->desktop);
475 }
476
477 // action on task
478 window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
479
480 // to keep window below
481 if (panel_layer == BOTTOM_LAYER)
482 XLowerWindow (server.dsp, panel->main_win);
483 }
484
485
486 void event_property_notify (XEvent *e)
487 {
488 int i;
489 Task *tsk;
490 Window win = e->xproperty.window;
491 Atom at = e->xproperty.atom;
492
493 if (xsettings_client)
494 xsettings_client_process_event(xsettings_client, e);
495 if (win == server.root_win) {
496 if (!server.got_root_win) {
497 XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
498 server.got_root_win = 1;
499 }
500
501 // Change name of desktops
502 else if (at == server.atom._NET_DESKTOP_NAMES) {
503 if (!taskbarname_enabled) return;
504 GSList *l, *list = server_get_name_of_desktop();
505 int j;
506 gchar *name;
507 Taskbar *tskbar;
508 for (i=0 ; i < nb_panel ; i++) {
509 for (j=0, l=list ; j < panel1[i].nb_desktop ; j++) {
510 if (l) {
511 name = g_strdup(l->data);
512 l = l->next;
513 }
514 else
515 name = g_strdup_printf("%d", j+1);
516 tskbar = &panel1[i].taskbar[j];
517 if (strcmp(name, tskbar->bar_name.name) != 0) {
518 g_free(tskbar->bar_name.name);
519 tskbar->bar_name.name = name;
520 tskbar->bar_name.area.resize = 1;
521 }
522 else
523 g_free(name);
524 }
525 }
526 for (l=list ; l ; l = l->next)
527 g_free(l->data);
528 g_slist_free(list);
529 panel_refresh = 1;
530 }
531 // Change number of desktops
532 else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
533 if (!taskbar_enabled) return;
534 server.nb_desktop = server_get_number_of_desktop ();
535 if (server.nb_desktop <= server.desktop) {
536 server.desktop = server.nb_desktop-1;
537 }
538 cleanup_taskbar();
539 init_taskbar();
540 for (i=0 ; i < nb_panel ; i++) {
541 init_taskbar_panel(&panel1[i]);
542 set_panel_items_order(&panel1[i]);
543 visible_taskbar(&panel1[i]);
544 panel1[i].area.resize = 1;
545 }
546 task_refresh_tasklist();
547 active_task();
548 panel_refresh = 1;
549 }
550 // Change desktop
551 else if (at == server.atom._NET_CURRENT_DESKTOP) {
552 if (!taskbar_enabled) return;
553 int old_desktop = server.desktop;
554 server.desktop = server_get_current_desktop ();
555 for (i=0 ; i < nb_panel ; i++) {
556 Panel *panel = &panel1[i];
557 set_taskbar_state(&panel->taskbar[old_desktop], TASKBAR_NORMAL);
558 set_taskbar_state(&panel->taskbar[server.desktop], TASKBAR_ACTIVE);
559 // check ALLDESKTOP task => resize taskbar
560 Taskbar *tskbar;
561 Task *tsk;
562 GSList *l;
563 if (server.nb_desktop > old_desktop) {
564 tskbar = &panel->taskbar[old_desktop];
565 l = tskbar->area.list;
566 if (taskbarname_enabled) l = l->next;
567 for (; l ; l = l->next) {
568 tsk = l->data;
569 if (tsk->desktop == ALLDESKTOP) {
570 tsk->area.on_screen = 0;
571 tskbar->area.resize = 1;
572 panel_refresh = 1;
573 }
574 }
575 }
576 tskbar = &panel->taskbar[server.desktop];
577 l = tskbar->area.list;
578 if (taskbarname_enabled) l = l->next;
579 for (; l ; l = l->next) {
580 tsk = l->data;
581 if (tsk->desktop == ALLDESKTOP) {
582 tsk->area.on_screen = 1;
583 tskbar->area.resize = 1;
584 }
585 }
586 }
587 }
588 // Window list
589 else if (at == server.atom._NET_CLIENT_LIST) {
590 task_refresh_tasklist();
591 panel_refresh = 1;
592 }
593 // Change active
594 else if (at == server.atom._NET_ACTIVE_WINDOW) {
595 active_task();
596 panel_refresh = 1;
597 }
598 else if (at == server.atom._XROOTPMAP_ID || at == server.atom._XROOTMAP_ID) {
599 // change Wallpaper
600 for (i=0 ; i < nb_panel ; i++) {
601 set_panel_background(&panel1[i]);
602 }
603 panel_refresh = 1;
604 }
605 }
606 else {
607 tsk = task_get_task (win);
608 if (!tsk) {
609 if (at != server.atom._NET_WM_STATE)
610 return;
611 else {
612 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
613 // if it is mapped and not set as skip_taskbar, we must add it to our task list
614 XWindowAttributes wa;
615 XGetWindowAttributes(server.dsp, win, &wa);
616 if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
617 if ( (tsk = add_task(win)) )
618 panel_refresh = 1;
619 else
620 return;
621 }
622 else
623 return;
624 }
625 }
626 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
627
628 // Window title changed
629 if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
630 if (get_title(tsk)) {
631 if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
632 tooltip_copy_text((Area*)tsk);
633 tooltip_update();
634 }
635 panel_refresh = 1;
636 }
637 }
638 // Demand attention
639 else if (at == server.atom._NET_WM_STATE) {
640 if (window_is_urgent (win)) {
641 add_urgent(tsk);
642 }
643 if (window_is_skip_taskbar(win)) {
644 remove_task( tsk );
645 panel_refresh = 1;
646 }
647 }
648 else if (at == server.atom.WM_STATE) {
649 // Iconic state
650 int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
651 if (window_is_iconified(win))
652 state = TASK_ICONIFIED;
653 set_task_state(tsk, state);
654 panel_refresh = 1;
655 }
656 // Window icon changed
657 else if (at == server.atom._NET_WM_ICON) {
658 get_icon(tsk);
659 panel_refresh = 1;
660 }
661 // Window desktop changed
662 else if (at == server.atom._NET_WM_DESKTOP) {
663 int desktop = window_get_desktop (win);
664 //printf(" Window desktop changed %d, %d\n", tsk->desktop, desktop);
665 // bug in windowmaker : send unecessary 'desktop changed' when focus changed
666 if (desktop != tsk->desktop) {
667 remove_task (tsk);
668 tsk = add_task (win);
669 active_task();
670 panel_refresh = 1;
671 }
672 }
673 else if (at == server.atom.WM_HINTS) {
674 XWMHints* wmhints = XGetWMHints(server.dsp, win);
675 if (wmhints && wmhints->flags & XUrgencyHint) {
676 add_urgent(tsk);
677 }
678 XFree(wmhints);
679 }
680
681 if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
682 }
683 }
684
685
686 void event_expose (XEvent *e)
687 {
688 Panel *panel;
689 panel = get_panel(e->xany.window);
690 if (!panel) return;
691 // TODO : one panel_refresh per panel ?
692 panel_refresh = 1;
693 }
694
695
696 void event_configure_notify (Window win)
697 {
698 // change in root window (xrandr)
699 if (win == server.root_win) {
700 signal_pending = SIGUSR1;
701 return;
702 }
703
704 // 'win' is a trayer icon
705 TrayWindow *traywin;
706 GSList *l;
707 for (l = systray.list_icons; l ; l = l->next) {
708 traywin = (TrayWindow*)l->data;
709 if (traywin->tray_id == win) {
710 //printf("move tray %d\n", traywin->x);
711 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
712 XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
713 panel_refresh = 1;
714 return;
715 }
716 }
717
718 // 'win' move in another monitor
719 if (nb_panel == 1) return;
720 Task *tsk = task_get_task (win);
721 if (!tsk) return;
722
723 Panel *p = tsk->area.panel;
724 if (p->monitor != window_get_monitor (win)) {
725 remove_task (tsk);
726 tsk = add_task (win);
727 if (win == window_get_active ()) {
728 set_task_state(tsk, TASK_ACTIVE);
729 task_active = tsk;
730 }
731 panel_refresh = 1;
732 }
733 }
734
735 char *GetAtomName(Display* disp, Atom a)
736 {
737 if (a == None)
738 return "None";
739 else
740 return XGetAtomName(disp, a);
741 }
742
743 typedef struct Property
744 {
745 unsigned char *data;
746 int format, nitems;
747 Atom type;
748 } Property;
749
750 //This fetches all the data from a property
751 struct Property read_property(Display* disp, Window w, Atom property)
752 {
753 Atom actual_type;
754 int actual_format;
755 unsigned long nitems;
756 unsigned long bytes_after;
757 unsigned char *ret=0;
758
759 int read_bytes = 1024;
760
761 //Keep trying to read the property until there are no
762 //bytes unread.
763 do {
764 if (ret != 0)
765 XFree(ret);
766 XGetWindowProperty(disp, w, property, 0, read_bytes, False, AnyPropertyType,
767 &actual_type, &actual_format, &nitems, &bytes_after,
768 &ret);
769 read_bytes *= 2;
770 } while (bytes_after != 0);
771
772 fprintf(stderr, "DnD %s:%d: Property:\n", __FILE__, __LINE__);
773 fprintf(stderr, "DnD %s:%d: Actual type: %s\n", __FILE__, __LINE__, GetAtomName(disp, actual_type));
774 fprintf(stderr, "DnD %s:%d: Actual format: %d\n", __FILE__, __LINE__, actual_format);
775 fprintf(stderr, "DnD %s:%d: Number of items: %lu\n", __FILE__, __LINE__, nitems);
776
777 Property p;
778 p.data = ret;
779 p.format = actual_format;
780 p.nitems = nitems;
781 p.type = actual_type;
782
783 return p;
784 }
785
786 // This function takes a list of targets which can be converted to (atom_list, nitems)
787 // and a list of acceptable targets with prioritees (datatypes). It returns the highest
788 // entry in datatypes which is also in atom_list: ie it finds the best match.
789 Atom pick_target_from_list(Display* disp, Atom* atom_list, int nitems)
790 {
791 Atom to_be_requested = None;
792 int i;
793 for (i = 0; i < nitems; i++) {
794 char *atom_name = GetAtomName(disp, atom_list[i]);
795 fprintf(stderr, "DnD %s:%d: Type %d = %s\n", __FILE__, __LINE__, i, atom_name);
796
797 //See if this data type is allowed and of higher priority (closer to zero)
798 //than the present one.
799 if (strcmp(atom_name, "STRING") == 0) {
800 to_be_requested = atom_list[i];
801 }
802 }
803
804 return to_be_requested;
805 }
806
807 // Finds the best target given up to three atoms provided (any can be None).
808 // Useful for part of the Xdnd protocol.
809 Atom pick_target_from_atoms(Display* disp, Atom t1, Atom t2, Atom t3)
810 {
811 Atom atoms[3];
812 int n = 0;
813
814 if (t1 != None)
815 atoms[n++] = t1;
816
817 if (t2 != None)
818 atoms[n++] = t2;
819
820 if (t3 != None)
821 atoms[n++] = t3;
822
823 return pick_target_from_list(disp, atoms, n);
824 }
825
826 // Finds the best target given a local copy of a property.
827 Atom pick_target_from_targets(Display* disp, Property p)
828 {
829 //The list of targets is a list of atoms, so it should have type XA_ATOM
830 //but it may have the type TARGETS instead.
831
832 if ((p.type != XA_ATOM && p.type != server.atom.TARGETS) || p.format != 32) {
833 //This would be really broken. Targets have to be an atom list
834 //and applications should support this. Nevertheless, some
835 //seem broken (MATLAB 7, for instance), so ask for STRING
836 //next instead as the lowest common denominator
837 return XA_STRING;
838 } else {
839 Atom *atom_list = (Atom*)p.data;
840
841 return pick_target_from_list(disp, atom_list, p.nitems);
842 }
843 }
844
845 void dnd_enter(XClientMessageEvent *e)
846 {
847 dnd_atom = None;
848 int more_than_3 = e->data.l[1] & 1;
849 dnd_source_window = e->data.l[0];
850 dnd_version = (e->data.l[1] >> 24);
851
852 fprintf(stderr, "DnD %s:%d: DnDEnter\n", __FILE__, __LINE__);
853 fprintf(stderr, "DnD %s:%d: DnDEnter. Supports > 3 types = %s\n", __FILE__, __LINE__, more_than_3 ? "yes" : "no");
854 fprintf(stderr, "DnD %s:%d: Protocol version = %d\n", __FILE__, __LINE__, dnd_version);
855 fprintf(stderr, "DnD %s:%d: Type 1 = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, e->data.l[2]));
856 fprintf(stderr, "DnD %s:%d: Type 2 = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, e->data.l[3]));
857 fprintf(stderr, "DnD %s:%d: Type 3 = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, e->data.l[4]));
858
859 //Query which conversions are available and pick the best
860
861 if (more_than_3) {
862 //Fetch the list of possible conversions
863 //Notice the similarity to TARGETS with paste.
864 Property p = read_property(server.dsp, dnd_source_window, server.atom.XdndTypeList);
865 dnd_atom = pick_target_from_targets(server.dsp, p);
866 XFree(p.data);
867 } else {
868 //Use the available list
869 dnd_atom = pick_target_from_atoms(server.dsp, e->data.l[2], e->data.l[3], e->data.l[4]);
870 }
871
872 fprintf(stderr, "DnD %s:%d: Requested type = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, dnd_atom));
873 }
874
875 void dnd_position(XClientMessageEvent *e)
876 {
877 dnd_target_window = e->window;
878 int accept = 0;
879 Panel *panel = get_panel(e->window);
880 int x, y, mapX, mapY;
881 Window child;
882 x = (e->data.l[2] >> 16) & 0xFFFF;
883 y = e->data.l[2] & 0xFFFF;
884 XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
885 Task* task = click_task(panel, mapX, mapY);
886 if (task) {
887 if (task->desktop != server.desktop )
888 set_desktop (task->desktop);
889 window_action(task, TOGGLE);
890 } else {
891 LauncherIcon *icon = click_launcher_icon(panel, mapX, mapY);
892 if (icon) {
893 accept = 1;
894 dnd_launcher_exec = icon->cmd;
895 } else {
896 dnd_launcher_exec = 0;
897 }
898 }
899
900 // send XdndStatus event to get more XdndPosition events
901 XClientMessageEvent se;
902 se.type = ClientMessage;
903 se.window = e->data.l[0];
904 se.message_type = server.atom.XdndStatus;
905 se.format = 32;
906 se.data.l[0] = e->window; // XID of the target window
907 se.data.l[1] = accept ? 1 : 0; // bit 0: accept drop bit 1: send XdndPosition events if inside rectangle
908 se.data.l[2] = 0; // Rectangle x,y for which no more XdndPosition events
909 se.data.l[3] = (1 << 16) | 1; // Rectangle w,h for which no more XdndPosition events
910 if (accept) {
911 se.data.l[4] = dnd_version >= 2 ? e->data.l[4] : server.atom.XdndActionCopy;
912 } else {
913 se.data.l[4] = None; // None = drop will not be accepted
914 }
915
916 XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
917 }
918
919 void dnd_drop(XClientMessageEvent *e)
920 {
921 if (dnd_target_window && dnd_launcher_exec) {
922 if (dnd_version >= 1) {
923 XConvertSelection(server.dsp, server.atom.XdndSelection, XA_STRING, dnd_selection, dnd_target_window, e->data.l[2]);
924 } else {
925 XConvertSelection(server.dsp, server.atom.XdndSelection, XA_STRING, dnd_selection, dnd_target_window, CurrentTime);
926 }
927 } else {
928 //The source is sending anyway, despite instructions to the contrary.
929 //So reply that we're not interested.
930 XClientMessageEvent m;
931 memset(&m, sizeof(m), 0);
932 m.type = ClientMessage;
933 m.display = e->display;
934 m.window = e->data.l[0];
935 m.message_type = server.atom.XdndFinished;
936 m.format = 32;
937 m.data.l[0] = dnd_target_window;
938 m.data.l[1] = 0;
939 m.data.l[2] = None; //Failed.
940 XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&m);
941 }
942 }
943
944 int main (int argc, char *argv[])
945 {
946 XEvent e;
947 XClientMessageEvent *ev;
948 fd_set fdset;
949 int x11_fd, i;
950 Panel *panel;
951 GSList *it;
952 struct timeval* timeout;
953 int hidden_dnd = 0;
954
955 start:
956 init (argc, argv);
957 init_X11();
958
959 i = 0;
960 if (config_path)
961 i = config_read_file (config_path);
962 else
963 i = config_read ();
964 if (!i) {
965 fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
966 cleanup();
967 exit(1);
968 }
969
970 init_panel();
971 if (snapshot_path) {
972 get_snapshot(snapshot_path);
973 cleanup();
974 exit(0);
975 }
976
977 int damage_event, damage_error;
978 XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
979 x11_fd = ConnectionNumber(server.dsp);
980 XSync(server.dsp, False);
981
982 // XDND initialization
983 dnd_source_window = 0;
984 dnd_target_window = 0;
985 dnd_version = 0;
986 dnd_selection = XInternAtom(server.dsp, "PRIMARY", 0);
987 dnd_atom = None;
988 dnd_sent_request = 0;
989 dnd_launcher_exec = 0;
990
991 // sigset_t empty_mask;
992 // sigemptyset(&empty_mask);
993
994 while (1) {
995 if (panel_refresh) {
996 panel_refresh = 0;
997
998 for (i=0 ; i < nb_panel ; i++) {
999 panel = &panel1[i];
1000
1001 if (panel->is_hidden) {
1002 XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
1003 XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
1004 }
1005 else {
1006 if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
1007 panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
1008 rendering(panel);
1009 XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
1010 }
1011 }
1012 XFlush (server.dsp);
1013
1014 panel = (Panel*)systray.area.panel;
1015 if (refresh_systray && panel && !panel->is_hidden) {
1016 refresh_systray = 0;
1017 // tint2 doen't draw systray icons. it just redraw background.
1018 XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
1019 // force icon's refresh
1020 refresh_systray_icon();
1021 }
1022 }
1023
1024 // thanks to AngryLlama for the timer
1025 // Create a File Description Set containing x11_fd
1026 FD_ZERO (&fdset);
1027 FD_SET (x11_fd, &fdset);
1028 update_next_timeout();
1029 if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
1030 timeout = &next_timeout;
1031 else
1032 timeout = 0;
1033
1034 // Wait for X Event or a Timer
1035 if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
1036 while (XPending (server.dsp)) {
1037 XNextEvent(server.dsp, &e);
1038
1039 panel = get_panel(e.xany.window);
1040 if (panel && panel_autohide) {
1041 if (e.type == EnterNotify)
1042 autohide_trigger_show(panel);
1043 else if (e.type == LeaveNotify)
1044 autohide_trigger_hide(panel);
1045 if (panel->is_hidden) {
1046 if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
1047 hidden_dnd = 1;
1048 autohide_show(panel);
1049 }
1050 else
1051 continue; // discard further processing of this event because the panel is not visible yet
1052 }
1053 else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
1054 hidden_dnd = 0;
1055 autohide_hide(panel);
1056 }
1057 }
1058
1059 switch (e.type) {
1060 case ButtonPress:
1061 tooltip_hide(0);
1062 event_button_press (&e);
1063 break;
1064
1065 case ButtonRelease:
1066 event_button_release(&e);
1067 break;
1068
1069 case MotionNotify: {
1070 unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
1071 if (e.xmotion.state & button_mask)
1072 event_button_motion_notify (&e);
1073
1074 Panel* panel = get_panel(e.xmotion.window);
1075 Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
1076 if (area->_get_tooltip_text)
1077 tooltip_trigger_show(area, panel, &e);
1078 else
1079 tooltip_trigger_hide();
1080 break;
1081 }
1082
1083 case LeaveNotify:
1084 tooltip_trigger_hide();
1085 break;
1086
1087 case Expose:
1088 event_expose(&e);
1089 break;
1090
1091 case PropertyNotify:
1092 event_property_notify(&e);
1093 break;
1094
1095 case ConfigureNotify:
1096 event_configure_notify (e.xconfigure.window);
1097 break;
1098
1099 case ReparentNotify:
1100 if (!systray_enabled)
1101 break;
1102 panel = (Panel*)systray.area.panel;
1103 if (e.xany.window == panel->main_win) // reparented to us
1104 break;
1105 // FIXME: 'reparent to us' badly detected => disabled
1106 break;
1107 case UnmapNotify:
1108 case DestroyNotify:
1109 if (e.xany.window == server.composite_manager) {
1110 // Stop real_transparency
1111 signal_pending = SIGUSR1;
1112 break;
1113 }
1114 if (e.xany.window == g_tooltip.window || !systray_enabled)
1115 break;
1116 for (it = systray.list_icons; it; it = g_slist_next(it)) {
1117 if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
1118 remove_icon((TrayWindow*)it->data);
1119 break;
1120 }
1121 }
1122 break;
1123
1124 case ClientMessage:
1125 ev = &e.xclient;
1126 if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
1127 if (ev->data.l[2] == None)
1128 // Stop real_transparency
1129 signal_pending = SIGUSR1;
1130 else
1131 // Start real_transparency
1132 signal_pending = SIGUSR1;
1133 }
1134 if (systray_enabled && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
1135 net_message(&e.xclient);
1136 }
1137 else if (e.xclient.message_type == server.atom.XdndEnter) {
1138 dnd_enter(&e.xclient);
1139 }
1140 else if (e.xclient.message_type == server.atom.XdndPosition) {
1141 dnd_position(&e.xclient);
1142 }
1143 else if (e.xclient.message_type == server.atom.XdndDrop) {
1144 dnd_drop(&e.xclient);
1145 }
1146 break;
1147
1148 case SelectionNotify:
1149 {
1150 Atom target = e.xselection.target;
1151
1152 fprintf(stderr, "DnD %s:%d: A selection notify has arrived!\n", __FILE__, __LINE__);
1153 fprintf(stderr, "DnD %s:%d: Requestor = %lu\n", __FILE__, __LINE__, e.xselectionrequest.requestor);
1154 fprintf(stderr, "DnD %s:%d: Selection atom = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, e.xselection.selection));
1155 fprintf(stderr, "DnD %s:%d: Target atom = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, target));
1156 fprintf(stderr, "DnD %s:%d: Property atom = %s\n", __FILE__, __LINE__, GetAtomName(server.dsp, e.xselection.property));
1157
1158 if (e.xselection.property != None && dnd_launcher_exec) {
1159 Property prop = read_property(server.dsp, dnd_target_window, dnd_selection);
1160
1161 //If we're being given a list of targets (possible conversions)
1162 if (target == server.atom.TARGETS && !dnd_sent_request) {
1163 dnd_sent_request = 1;
1164 dnd_atom = pick_target_from_targets(server.dsp, prop);
1165
1166 if (dnd_atom == None) {
1167 fprintf(stderr, "No matching datatypes.\n");
1168 } else {
1169 //Request the data type we are able to select
1170 fprintf(stderr, "Now requsting type %s", GetAtomName(server.dsp, dnd_atom));
1171 XConvertSelection(server.dsp, dnd_selection, dnd_atom, dnd_selection, dnd_target_window, CurrentTime);
1172 }
1173 } else if (target == dnd_atom) {
1174 //Dump the binary data
1175 fprintf(stderr, "DnD %s:%d: Data begins:\n", __FILE__, __LINE__);
1176 fprintf(stderr, "--------\n");
1177 int i;
1178 for (i = 0; i < prop.nitems * prop.format/8; i++)
1179 fprintf(stderr, "%c", ((char*)prop.data)[i]);
1180 fprintf(stderr, "--------\n");
1181
1182 int cmd_length = 0;
1183 cmd_length += 1; // (
1184 cmd_length += strlen(dnd_launcher_exec) + 1; // exec + space
1185 cmd_length += 1; // open double quotes
1186 for (i = 0; i < prop.nitems * prop.format/8; i++) {
1187 char c = ((char*)prop.data)[i];
1188 if (c == '\n') {
1189 if (i < prop.nitems * prop.format/8 - 1) {
1190 cmd_length += 3; // close double quotes, space, open double quotes
1191 }
1192 } else if (c == '\r') {
1193 } else {
1194 cmd_length += 1; // 1 character
1195 if (c == '`' || c == '$' || c == '\\') {
1196 cmd_length += 1; // escape with one backslash
1197 }
1198 }
1199 }
1200 cmd_length += 1; // close double quotes
1201 cmd_length += 2; // &)
1202 cmd_length += 1; // terminator
1203
1204 char *cmd = malloc(cmd_length);
1205 cmd[0] = '\0';
1206 strcat(cmd, "(");
1207 strcat(cmd, dnd_launcher_exec);
1208 strcat(cmd, " \"");
1209 for (i = 0; i < prop.nitems * prop.format/8; i++) {
1210 char c = ((char*)prop.data)[i];
1211 if (c == '\n') {
1212 if (i < prop.nitems * prop.format/8 - 1) {
1213 strcat(cmd, "\" \"");
1214 }
1215 } else if (c == '\r') {
1216 } else {
1217 if (c == '`' || c == '$' || c == '\\') {
1218 strcat(cmd, "\\");
1219 }
1220 char sc[2];
1221 sc[0] = c;
1222 sc[1] = '\0';
1223 strcat(cmd, sc);
1224 }
1225 }
1226 strcat(cmd, "\"");
1227 strcat(cmd, "&)");
1228 fprintf(stderr, "DnD %s:%d: Running command: %s\n", __FILE__, __LINE__, cmd);
1229 tint_exec(cmd);
1230 free(cmd);
1231
1232 // Reply OK.
1233 XClientMessageEvent m;
1234 memset(&m, sizeof(m), 0);
1235 m.type = ClientMessage;
1236 m.display = server.dsp;
1237 m.window = dnd_source_window;
1238 m.message_type = server.atom.XdndFinished;
1239 m.format = 32;
1240 m.data.l[0] = dnd_target_window;
1241 m.data.l[1] = 1;
1242 m.data.l[2] = server.atom.XdndActionCopy; //We only ever copy.
1243 XSendEvent(server.dsp, dnd_source_window, False, NoEventMask, (XEvent*)&m);
1244 XSync(server.dsp, False);
1245 }
1246
1247 XFree(prop.data);
1248 }
1249
1250 break;
1251 }
1252
1253 default:
1254 if (e.type == XDamageNotify+damage_event) {
1255 // union needed to avoid strict-aliasing warnings by gcc
1256 union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
1257 TrayWindow *traywin;
1258 GSList *l;
1259 XDamageNotifyEvent* de = &event_union.de;
1260 for (l = systray.list_icons; l ; l = l->next) {
1261 traywin = (TrayWindow*)l->data;
1262 if ( traywin->id == de->drawable ) {
1263 systray_render_icon(traywin);
1264 break;
1265 }
1266 }
1267 }
1268 }
1269 }
1270 }
1271
1272 callback_timeout_expired();
1273
1274 if (signal_pending) {
1275 cleanup();
1276 if (signal_pending == SIGUSR1) {
1277 // restart tint2
1278 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
1279 FD_CLR (x11_fd, &fdset); // not sure if needed
1280 goto start;
1281 }
1282 else {
1283 // SIGINT, SIGTERM, SIGHUP
1284 return 0;
1285 }
1286 }
1287 }
1288 }
1289
1290
a lightweight panel/taskbar, with patches
This page took 0.090059 seconds and 3 git commands to generate.