]>
Dogcows Code - chaz/tint2/blob - src/tint.c
1 /**************************************************************************
5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
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.
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 **************************************************************************/
27 #include <X11/Xutil.h>
28 #include <X11/Xatom.h>
29 #include <X11/Xlocale.h>
30 #include <X11/extensions/Xdamage.h>
40 #include "systraybar.h"
46 void signal_handler(int sig
)
48 // signal handler is light as it should be
53 void init (int argc
, char *argv
[])
61 memset(&server
, 0, sizeof(Server_global
));
71 for (i
= 1; i
< argc
; ++i
) {
72 if (!strcmp(argv
[i
], "-h") || !strcmp(argv
[i
], "--help")) {
73 printf("Usage: tint2 [-c] <config_file>\n");
76 if (!strcmp(argv
[i
], "-v") || !strcmp(argv
[i
], "--version")) {
77 printf("tint2 version %s\n", VERSION_STRING
);
80 if (!strcmp(argv
[i
], "-c")) {
83 config_path
= strdup(argv
[i
]);
85 if (!strcmp(argv
[i
], "-s")) {
88 snapshot_path
= strdup(argv
[i
]);
93 struct sigaction sa
= { .sa_handler
= signal_handler
};
94 sigaction(SIGUSR1
, &sa
, 0);
95 sigaction(SIGINT
, &sa
, 0);
96 sigaction(SIGTERM
, &sa
, 0);
97 sigaction(SIGHUP
, &sa
, 0);
98 signal(SIGCHLD
, SIG_IGN
); // don't have to wait() after fork()
100 // BSD is too stupid to support pselect(), therefore we have to use select and hope that we do not
101 // end up in a race condition there
102 // block all signals, such that no race conditions occur before pselect in our main loop
103 // sigset_t block_mask;
104 // sigaddset(&block_mask, SIGINT);
105 // sigaddset(&block_mask, SIGTERM);
106 // sigaddset(&block_mask, SIGHUP);
107 // sigaddset(&block_mask, SIGUSR1);
108 // sigprocmask(SIG_BLOCK, &block_mask, 0);
113 server
.dsp
= XOpenDisplay (NULL
);
115 fprintf(stderr
, "tint2 exit : could not open display.\n");
118 server_init_atoms ();
119 server
.screen
= DefaultScreen (server
.dsp
);
120 server
.root_win
= RootWindow(server
.dsp
, server
.screen
);
121 server
.desktop
= server_get_current_desktop ();
122 server_init_visual();
123 XSetErrorHandler ((XErrorHandler
) server_catch_error
);
125 imlib_context_set_display (server
.dsp
);
126 imlib_context_set_visual (server
.visual
);
127 imlib_context_set_colormap (server
.colormap
);
130 XSelectInput (server
.dsp
, server
.root_win
, PropertyChangeMask
|StructureNotifyMask
);
132 setlocale (LC_ALL
, "");
133 // config file use '.' as decimal separator
134 setlocale(LC_NUMERIC
, "POSIX");
138 const gchar
* const *data_dirs
;
139 data_dirs
= g_get_system_data_dirs ();
141 for (i
= 0; data_dirs
[i
] != NULL
; i
++) {
142 path
= g_build_filename(data_dirs
[i
], "tint2", "default_icon.png", NULL
);
143 if (g_file_test (path
, G_FILE_TEST_EXISTS
))
144 default_icon
= imlib_load_image(path
);
148 // get monitor and desktop config
161 #ifdef ENABLE_BATTERY
167 imlib_context_set_image(default_icon
);
170 imlib_context_disconnect_display();
173 if (server
.dsp
) XCloseDisplay(server
.dsp
);
177 void get_snapshot(const char *path
)
179 Panel
*panel
= &panel1
[0];
181 if (panel
->area
.width
> server
.monitor
[0].width
)
182 panel
->area
.width
= server
.monitor
[0].width
;
184 panel
->temp_pmap
= XCreatePixmap(server
.dsp
, server
.root_win
, panel
->area
.width
, panel
->area
.height
, server
.depth
);
185 refresh(&panel
->area
);
187 Imlib_Image img
= NULL
;
188 imlib_context_set_drawable(panel
->temp_pmap
);
189 img
= imlib_create_image_from_drawable(0, 0, 0, panel
->area
.width
, panel
->area
.height
, 0);
191 imlib_context_set_image(img
);
192 if (!panel_horizontal
) {
193 // rotate 90° vertical panel
194 imlib_image_flip_horizontal();
195 imlib_image_flip_diagonal();
197 imlib_save_image(path
);
202 void window_action (Task
*tsk
, int action
)
208 set_close (tsk
->win
);
211 set_active(tsk
->win
);
214 XIconifyWindow (server
.dsp
, tsk
->win
, server
.screen
);
217 if (task_active
&& tsk
->win
== task_active
->win
)
218 XIconifyWindow (server
.dsp
, tsk
->win
, server
.screen
);
220 set_active (tsk
->win
);
223 window_toggle_shade (tsk
->win
);
225 case MAXIMIZE_RESTORE
:
226 window_maximize_restore (tsk
->win
);
229 window_maximize_restore (tsk
->win
);
232 window_maximize_restore (tsk
->win
);
235 if ( tsk
->desktop
== 0 ) break;
236 desk
= tsk
->desktop
- 1;
237 windows_set_desktop(tsk
->win
, desk
);
238 if (desk
== server
.desktop
)
239 set_active(tsk
->win
);
242 if (tsk
->desktop
== server
.nb_desktop
) break;
243 desk
= tsk
->desktop
+ 1;
244 windows_set_desktop(tsk
->win
, desk
);
245 if (desk
== server
.desktop
)
246 set_active(tsk
->win
);
251 tsk1
= next_task(task_active
);
252 set_active(tsk1
->win
);
258 tsk1
= prev_task(task_active
);
259 set_active(tsk1
->win
);
265 int tint2_handles_click(Panel
* panel
, XButtonEvent
* e
)
267 Task
* task
= click_task(panel
, e
->x
, e
->y
);
270 || (e
->button
== 2 && mouse_middle
!= 0)
271 || (e
->button
== 3 && mouse_right
!= 0)
272 || (e
->button
== 4 && mouse_scroll_up
!= 0)
273 || (e
->button
== 5 && mouse_scroll_down
!=0) )
280 // no task clicked --> check if taskbar clicked
281 Taskbar
*tskbar
= click_taskbar(panel
, e
->x
, e
->y
);
282 if (tskbar
&& e
->button
== 1 && panel_mode
== MULTI_DESKTOP
)
284 if (click_clock(panel
, e
->x
, e
->y
)) {
285 if ( (e
->button
== 1 && clock_lclick_command
) || (e
->button
== 3 && clock_rclick_command
) )
294 void forward_click(XEvent
* e
)
296 // forward the click to the desktop window (thanks conky)
297 XUngrabPointer(server
.dsp
, e
->xbutton
.time
);
298 e
->xbutton
.window
= server
.root_win
;
299 // icewm doesn't open under the mouse.
300 // and xfce doesn't open at all.
301 e
->xbutton
.x
= e
->xbutton
.x_root
;
302 e
->xbutton
.y
= e
->xbutton
.y_root
;
303 //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
304 //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
305 XSendEvent(server
.dsp
, e
->xbutton
.window
, False
, ButtonPressMask
, e
);
309 void event_button_press (XEvent
*e
)
311 Panel
*panel
= get_panel(e
->xany
.window
);
315 if (wm_menu
&& !tint2_handles_click(panel
, &e
->xbutton
) ) {
319 task_drag
= click_task(panel
, e
->xbutton
.x
, e
->xbutton
.y
);
321 XLowerWindow (server
.dsp
, panel
->main_win
);
324 void event_button_motion_notify (XEvent
*e
)
326 Panel
* panel
= get_panel(e
->xany
.window
);
327 if(!panel
|| !task_drag
)
330 // Find the taskbar on the event's location
331 Taskbar
* event_taskbar
= click_taskbar(panel
, e
->xbutton
.x
, e
->xbutton
.y
);
332 if(event_taskbar
== NULL
)
335 // Find the task on the event's location
336 Task
* event_task
= click_task(panel
, e
->xbutton
.x
, e
->xbutton
.y
);
338 // If the event takes place on the same taskbar as the task being dragged
339 if(event_taskbar
== task_drag
->area
.parent
) {
340 // Swap the task_drag with the task on the event's location (if they differ)
341 if(event_task
&& event_task
!= task_drag
) {
342 GSList
* drag_iter
= g_slist_find(event_taskbar
->area
.list
, task_drag
);
343 GSList
* task_iter
= g_slist_find(event_taskbar
->area
.list
, event_task
);
344 if(drag_iter
&& task_iter
) {
345 gpointer temp
= task_iter
->data
;
346 task_iter
->data
= drag_iter
->data
;
347 drag_iter
->data
= temp
;
348 event_taskbar
->area
.resize
= 1;
354 else { // The event is on another taskbar than the task being dragged
355 if(task_drag
->desktop
== ALLDESKTOP
|| panel_mode
!= MULTI_DESKTOP
)
358 Taskbar
* drag_taskbar
= (Taskbar
*)task_drag
->area
.parent
;
359 drag_taskbar
->area
.list
= g_slist_remove(drag_taskbar
->area
.list
, task_drag
);
361 if(event_taskbar
->area
.posx
> drag_taskbar
->area
.posx
|| event_taskbar
->area
.posy
> drag_taskbar
->area
.posy
)
362 event_taskbar
->area
.list
= g_slist_prepend(event_taskbar
->area
.list
, task_drag
);
364 event_taskbar
->area
.list
= g_slist_append(event_taskbar
->area
.list
, task_drag
);
366 // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
367 task_drag
->area
.parent
= event_taskbar
;
368 task_drag
->desktop
= event_taskbar
->desktop
;
370 windows_set_desktop(task_drag
->win
, event_taskbar
->desktop
);
372 event_taskbar
->area
.resize
= 1;
373 drag_taskbar
->area
.resize
= 1;
379 void event_button_release (XEvent
*e
)
381 Panel
*panel
= get_panel(e
->xany
.window
);
384 if (wm_menu
&& !tint2_handles_click(panel
, &e
->xbutton
)) {
386 XLowerWindow (server
.dsp
, panel
->main_win
);
391 int action
= TOGGLE_ICONIFY
;
392 switch (e
->xbutton
.button
) {
394 action
= mouse_middle
;
397 action
= mouse_right
;
400 action
= mouse_scroll_up
;
403 action
= mouse_scroll_down
;
406 action
= mouse_tilt_left
;
409 action
= mouse_tilt_right
;
413 if ( click_clock(panel
, e
->xbutton
.x
, e
->xbutton
.y
)) {
414 clock_action(e
->xbutton
.button
);
415 XLowerWindow (server
.dsp
, panel
->main_win
);
421 if ( !(tskbar
= click_taskbar(panel
, e
->xbutton
.x
, e
->xbutton
.y
)) ) {
422 // TODO: check better solution to keep window below
423 XLowerWindow (server
.dsp
, panel
->main_win
);
428 // drag and drop task
436 if (panel_mode
== MULTI_DESKTOP
) {
437 if (tskbar
->desktop
!= server
.desktop
&& action
!= CLOSE
&& action
!= DESKTOP_LEFT
&& action
!= DESKTOP_RIGHT
)
438 set_desktop (tskbar
->desktop
);
442 window_action( click_task(panel
, e
->xbutton
.x
, e
->xbutton
.y
), action
);
444 // to keep window below
445 XLowerWindow (server
.dsp
, panel
->main_win
);
449 void event_property_notify (XEvent
*e
)
453 Window win
= e
->xproperty
.window
;
454 Atom at
= e
->xproperty
.atom
;
456 if (win
== server
.root_win
) {
457 if (!server
.got_root_win
) {
458 XSelectInput (server
.dsp
, server
.root_win
, PropertyChangeMask
|StructureNotifyMask
);
459 server
.got_root_win
= 1;
462 // Change number of desktops
463 else if (at
== server
.atom
._NET_NUMBER_OF_DESKTOPS
) {
464 server
.nb_desktop
= server_get_number_of_desktop ();
468 for (i
=0 ; i
< nb_panel
; i
++) {
469 panel1
[i
].area
.resize
= 1;
471 task_refresh_tasklist();
476 else if (at
== server
.atom
._NET_CURRENT_DESKTOP
) {
477 int old_desktop
= server
.desktop
;
478 server
.desktop
= server_get_current_desktop ();
479 for (i
=0 ; i
< nb_panel
; i
++) {
480 Panel
*panel
= &panel1
[i
];
481 if (panel_mode
== MULTI_DESKTOP
&& panel
->g_taskbar
.use_active
) {
482 // redraw both taskbar
483 if (server
.nb_desktop
> old_desktop
) {
484 // can happen if last desktop is deleted and we've been on the last desktop
485 panel
->taskbar
[old_desktop
].area
.bg
= panel
->g_taskbar
.bg
;
486 panel
->taskbar
[old_desktop
].area
.resize
= 1;
488 panel
->taskbar
[server
.desktop
].area
.bg
= panel
->g_taskbar
.bg_active
;
489 panel
->taskbar
[server
.desktop
].area
.resize
= 1;
492 // check ALLDESKTOP task => resize taskbar
496 if (server
.nb_desktop
> old_desktop
) {
497 tskbar
= &panel
->taskbar
[old_desktop
];
498 for (l
= tskbar
->area
.list
; l
; l
= l
->next
) {
500 if (tsk
->desktop
== ALLDESKTOP
) {
501 tsk
->area
.on_screen
= 0;
502 tskbar
->area
.resize
= 1;
507 tskbar
= &panel
->taskbar
[server
.desktop
];
508 for (l
= tskbar
->area
.list
; l
; l
= l
->next
) {
510 if (tsk
->desktop
== ALLDESKTOP
) {
511 tsk
->area
.on_screen
= 1;
512 tskbar
->area
.resize
= 1;
516 if (panel_mode
!= MULTI_DESKTOP
) {
521 else if (at
== server
.atom
._NET_CLIENT_LIST
) {
522 task_refresh_tasklist();
526 else if (at
== server
.atom
._NET_ACTIVE_WINDOW
) {
530 else if (at
== server
.atom
._XROOTPMAP_ID
) {
532 for (i
=0 ; i
< nb_panel
; i
++) {
533 set_panel_background(&panel1
[i
]);
539 tsk
= task_get_task (win
);
541 if (at
!= server
.atom
._NET_WM_STATE
)
544 // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
545 // if it is mapped and not set as skip_taskbar, we must add it to our task list
546 XWindowAttributes wa
;
547 XGetWindowAttributes(server
.dsp
, win
, &wa
);
548 if (wa
.map_state
== IsViewable
&& !window_is_skip_taskbar(win
)) {
549 if ( (tsk
= add_task(win
)) )
558 //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
560 // Window title changed
561 if (at
== server
.atom
._NET_WM_VISIBLE_NAME
|| at
== server
.atom
._NET_WM_NAME
|| at
== server
.atom
.WM_NAME
) {
563 if (g_tooltip
.mapped
&& (g_tooltip
.area
== (Area
*)tsk
)) {
564 tooltip_copy_text((Area
*)tsk
);
570 else if (at
== server
.atom
._NET_WM_STATE
) {
571 if (window_is_urgent (win
)) {
574 if (window_is_skip_taskbar(win
)) {
579 else if (at
== server
.atom
.WM_STATE
) {
581 int state
= (task_active
&& tsk
->win
== task_active
->win
? TASK_ACTIVE
: TASK_NORMAL
);
582 if (window_is_iconified(win
))
583 state
= TASK_ICONIFIED
;
584 set_task_state(tsk
, state
);
587 // Window icon changed
588 else if (at
== server
.atom
._NET_WM_ICON
) {
592 // Window desktop changed
593 else if (at
== server
.atom
._NET_WM_DESKTOP
) {
594 int desktop
= window_get_desktop (win
);
595 //printf(" Window desktop changed %d, %d\n", tsk->desktop, desktop);
596 // bug in windowmaker : send unecessary 'desktop changed' when focus changed
597 if (desktop
!= tsk
->desktop
) {
599 tsk
= add_task (win
);
604 else if (at
== server
.atom
.WM_HINTS
) {
605 XWMHints
* wmhints
= XGetWMHints(server
.dsp
, win
);
606 if (wmhints
&& wmhints
->flags
& XUrgencyHint
) {
612 if (!server
.got_root_win
) server
.root_win
= RootWindow (server
.dsp
, server
.screen
);
617 void event_expose (XEvent
*e
)
620 panel
= get_panel(e
->xany
.window
);
622 // TODO : one panel_refresh per panel ?
627 void event_configure_notify (Window win
)
629 // change in root window (xrandr)
630 if (win
== server
.root_win
) {
631 signal_pending
= SIGUSR1
;
635 // 'win' is a trayer icon
638 for (l
= systray
.list_icons
; l
; l
= l
->next
) {
639 traywin
= (TrayWindow
*)l
->data
;
640 if (traywin
->tray_id
== win
) {
641 //printf("move tray %d\n", traywin->x);
642 XMoveResizeWindow(server
.dsp
, traywin
->id
, traywin
->x
, traywin
->y
, traywin
->width
, traywin
->height
);
643 XResizeWindow(server
.dsp
, traywin
->tray_id
, traywin
->width
, traywin
->height
);
649 // 'win' move in another monitor
650 if (nb_panel
== 1) return;
651 Task
*tsk
= task_get_task (win
);
654 Panel
*p
= tsk
->area
.panel
;
655 if (p
->monitor
!= window_get_monitor (win
)) {
657 tsk
= add_task (win
);
658 if (win
== window_get_active ()) {
659 set_task_state(tsk
, TASK_ACTIVE
);
667 void dnd_message(XClientMessageEvent
*e
)
669 Panel
*panel
= get_panel(e
->window
);
670 int x
, y
, mapX
, mapY
;
672 x
= (e
->data
.l
[2] >> 16) & 0xFFFF;
673 y
= e
->data
.l
[2] & 0xFFFF;
674 XTranslateCoordinates(server
.dsp
, server
.root_win
, e
->window
, x
, y
, &mapX
, &mapY
, &child
);
675 Task
* task
= click_task(panel
, mapX
, mapY
);
677 if (task
->desktop
!= server
.desktop
)
678 set_desktop (task
->desktop
);
679 window_action(task
, TOGGLE
);
682 // send XdndStatus event to get more XdndPosition events
683 XClientMessageEvent se
;
684 se
.type
= ClientMessage
;
685 se
.window
= e
->data
.l
[0];
686 se
.message_type
= server
.atom
.XdndStatus
;
688 se
.data
.l
[0] = e
->window
; // XID of the target window
689 se
.data
.l
[1] = 0; // bit 0: accept drop bit 1: send XdndPosition events if inside rectangle
690 se
.data
.l
[2] = 0; // Rectangle x,y for which no more XdndPosition events
691 se
.data
.l
[3] = (1 << 16) | 1; // Rectangle w,h for which no more XdndPosition events
692 se
.data
.l
[4] = None
; // None = drop will not be accepted
693 XSendEvent(server
.dsp
, e
->data
.l
[0], False
, NoEventMask
, (XEvent
*)&se
);
697 int main (int argc
, char *argv
[])
700 XClientMessageEvent
*ev
;
705 struct timeval
* timeout
;
713 i
= config_read_file (config_path
);
717 fprintf(stderr
, "usage: tint2 [-c] <config_file>\n");
724 get_snapshot(snapshot_path
);
729 int damage_event
, damage_error
;
730 XDamageQueryExtension(server
.dsp
, &damage_event
, &damage_error
);
731 x11_fd
= ConnectionNumber(server
.dsp
);
732 XSync(server
.dsp
, False
);
734 // sigset_t empty_mask;
735 // sigemptyset(&empty_mask);
741 for (i
=0 ; i
< nb_panel
; i
++) {
744 if (panel
->is_hidden
) {
745 XCopyArea(server
.dsp
, panel
->hidden_pixmap
, panel
->main_win
, server
.gc
, 0, 0, panel
->hidden_width
, panel
->hidden_height
, 0, 0);
746 XSetWindowBackgroundPixmap(server
.dsp
, panel
->main_win
, panel
->hidden_pixmap
);
749 if (panel
->temp_pmap
) XFreePixmap(server
.dsp
, panel
->temp_pmap
);
750 panel
->temp_pmap
= XCreatePixmap(server
.dsp
, server
.root_win
, panel
->area
.width
, panel
->area
.height
, server
.depth
);
751 refresh(&panel
->area
);
752 XCopyArea(server
.dsp
, panel
->temp_pmap
, panel
->main_win
, server
.gc
, 0, 0, panel
->area
.width
, panel
->area
.height
, 0, 0);
757 panel
= (Panel
*)systray
.area
.panel
;
758 if (refresh_systray
&& panel
&& !panel
->is_hidden
) {
760 // tint2 doen't draw systray icons. it just redraw background.
761 XSetWindowBackgroundPixmap (server
.dsp
, panel
->main_win
, panel
->temp_pmap
);
762 // force icon's refresh
763 refresh_systray_icon();
767 // thanks to AngryLlama for the timer
768 // Create a File Description Set containing x11_fd
770 FD_SET (x11_fd
, &fdset
);
771 update_next_timeout();
772 if (next_timeout
.tv_sec
>= 0 && next_timeout
.tv_usec
>= 0)
773 timeout
= &next_timeout
;
777 // Wait for X Event or a Timer
778 if (select(x11_fd
+1, &fdset
, 0, 0, timeout
) > 0) {
779 while (XPending (server
.dsp
)) {
780 XNextEvent(server
.dsp
, &e
);
782 panel
= get_panel(e
.xany
.window
);
783 if (panel
&& panel_autohide
) {
784 if (e
.type
== EnterNotify
)
785 autohide_trigger_show(panel
);
786 else if (e
.type
== LeaveNotify
)
787 autohide_trigger_hide(panel
);
788 if (panel
->is_hidden
)
789 continue; // discard further processing of this event because the panel is not visible yet
795 event_button_press (&e
);
799 event_button_release(&e
);
803 unsigned int button_mask
= Button1Mask
| Button2Mask
| Button3Mask
| Button4Mask
| Button5Mask
;
804 if (e
.xmotion
.state
& button_mask
)
805 event_button_motion_notify (&e
);
807 if (!g_tooltip
.enabled
) break;
808 Panel
* panel
= get_panel(e
.xmotion
.window
);
809 Area
* area
= click_area(panel
, e
.xmotion
.x
, e
.xmotion
.y
);
810 if (area
->_get_tooltip_text
)
811 tooltip_trigger_show(area
, panel
, e
.xmotion
.x_root
, e
.xmotion
.y_root
);
813 tooltip_trigger_hide();
818 if (g_tooltip
.enabled
)
819 tooltip_trigger_hide();
827 event_property_notify(&e
);
830 case ConfigureNotify
:
831 event_configure_notify (e
.xconfigure
.window
);
835 if (!systray_enabled
)
837 panel
= (Panel
*)systray
.area
.panel
;
838 if (e
.xany
.window
== panel
->main_win
) // reparented to us
840 // FIXME: 'reparent to us' badly detected => disabled
844 if (e
.xany
.window
== server
.composite_manager
) {
845 // Stop real_transparency
846 signal_pending
= SIGUSR1
;
849 if (e
.xany
.window
== g_tooltip
.window
|| !systray
.area
.on_screen
)
851 for (it
= systray
.list_icons
; it
; it
= g_slist_next(it
)) {
852 if (((TrayWindow
*)it
->data
)->tray_id
== e
.xany
.window
) {
853 remove_icon((TrayWindow
*)it
->data
);
861 if (ev
->data
.l
[1] == server
.atom
._NET_WM_CM_S0
) {
862 if (ev
->data
.l
[2] == None
)
863 // Stop real_transparency
864 signal_pending
= SIGUSR1
;
866 // Start real_transparency
867 signal_pending
= SIGUSR1
;
869 if (!systray
.area
.on_screen
) break;
870 if (e
.xclient
.message_type
== server
.atom
._NET_SYSTEM_TRAY_OPCODE
&& e
.xclient
.format
== 32 && e
.xclient
.window
== net_sel_win
) {
871 net_message(&e
.xclient
);
873 else if (e
.xclient
.message_type
== server
.atom
.XdndPosition
) {
874 dnd_message(&e
.xclient
);
879 if (e
.type
== XDamageNotify
+damage_event
) {
880 // union needed to avoid strict-aliasing warnings by gcc
881 union { XEvent e
; XDamageNotifyEvent de
; } event_union
= {.e
=e
};
884 XDamageNotifyEvent
* de
= &event_union
.de
;
885 for (l
= systray
.list_icons
; l
; l
= l
->next
) {
886 traywin
= (TrayWindow
*)l
->data
;
887 if ( traywin
->id
== de
->drawable
) {
888 systray_render_icon(traywin
);
897 callback_timeout_expired();
899 if (signal_pending
) {
901 if (signal_pending
== SIGUSR1
) {
903 // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
904 FD_CLR (x11_fd
, &fdset
); // not sure if needed
908 // SIGINT, SIGTERM, SIGHUP
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