]> Dogcows Code - chaz/tint2/blobdiff - src/tint.c
panel_items : fixed segfault (panel without clock, change number desktop)
[chaz/tint2] / src / tint.c
index b84ee185c1ee7879c2eed94d86935e5f905ebb23..2ba8727d05297a8b5188db4e1dcb812773f27e2a 100644 (file)
 **************************************************************************/
 
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 #include <string.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/Xlocale.h>
+#include <X11/extensions/Xdamage.h>
 #include <Imlib2.h>
 #include <signal.h>
 
+#include <version.h>
 #include "server.h"
 #include "window.h"
 #include "config.h"
 #include "task.h"
 #include "taskbar.h"
 #include "systraybar.h"
+#include "launcher.h"
 #include "panel.h"
+#include "tooltip.h"
+#include "timer.h"
 
 
 void signal_handler(int sig)
@@ -46,500 +51,902 @@ void signal_handler(int sig)
 }
 
 
-void init ()
+void init (int argc, char *argv[])
 {
+       int i;
+
+       // set global data
+       default_config();
+       default_timeout();
+       default_systray();
+       memset(&server, 0, sizeof(Server_global));
+#ifdef ENABLE_BATTERY
+       default_battery();
+#endif
+       default_clock();
+       default_launcher();
+       default_taskbar();
+       default_tooltip();
+       default_panel();
+
+       // read options
+       for (i = 1; i < argc; ++i) {
+               if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))       {
+                       printf("Usage: tint2 [-c] <config_file>\n");
+                       exit(0);
+               }
+               if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))    {
+                       printf("tint2 version %s\n", VERSION_STRING);
+                       exit(0);
+               }
+               if (!strcmp(argv[i], "-c")) {
+                       i++;
+                       if (i < argc)
+                               config_path = strdup(argv[i]);
+               }
+               if (!strcmp(argv[i], "-s"))     {
+                       i++;
+                       if (i < argc)
+                               snapshot_path = strdup(argv[i]);
+               }
+       }
        // Set signal handler
-   signal(SIGUSR1, signal_handler);
-   signal(SIGINT, signal_handler);
-   signal(SIGTERM, signal_handler);
-
-   // set global data
-   memset(&server, 0, sizeof(Server_global));
-
-   server.dsp = XOpenDisplay (NULL);
-   if (!server.dsp) {
-      fprintf(stderr, "Could not open display.\n");
-      exit(0);
-   }
-   server_init_atoms ();
-   server.screen = DefaultScreen (server.dsp);
+       signal_pending = 0;
+       struct sigaction sa = { .sa_handler = signal_handler };
+       struct sigaction sa_chld = { .sa_handler = SIG_DFL, .sa_flags = SA_NOCLDWAIT };
+       sigaction(SIGUSR1, &sa, 0);
+       sigaction(SIGINT, &sa, 0);
+       sigaction(SIGTERM, &sa, 0);
+       sigaction(SIGHUP, &sa, 0);
+       sigaction(SIGCHLD, &sa_chld, 0);
+
+       // BSD does not support pselect(), therefore we have to use select and hope that we do not
+       // end up in a race condition there (see 'man select()' on a linux machine for more information)
+       // block all signals, such that no race conditions occur before pselect in our main loop
+//     sigset_t block_mask;
+//     sigaddset(&block_mask, SIGINT);
+//     sigaddset(&block_mask, SIGTERM);
+//     sigaddset(&block_mask, SIGHUP);
+//     sigaddset(&block_mask, SIGUSR1);
+//     sigprocmask(SIG_BLOCK, &block_mask, 0);
+}
+
+void init_X11()
+{
+       server.dsp = XOpenDisplay (NULL);
+       if (!server.dsp) {
+               fprintf(stderr, "tint2 exit : could not open display.\n");
+               exit(0);
+       }
+       server_init_atoms ();
+       server.screen = DefaultScreen (server.dsp);
        server.root_win = RootWindow(server.dsp, server.screen);
-   server.depth = DefaultDepth (server.dsp, server.screen);
-   server.visual = DefaultVisual (server.dsp, server.screen);
-   server.desktop = server_get_current_desktop ();
-       XGCValues  gcv;
-       server.gc = XCreateGC (server.dsp, server.root_win, (unsigned long)0, &gcv) ;
+       server.desktop = server_get_current_desktop ();
+       server_init_visual();
+       XSetErrorHandler ((XErrorHandler) server_catch_error);
 
-   XSetErrorHandler ((XErrorHandler) server_catch_error);
+       imlib_context_set_display (server.dsp);
+       imlib_context_set_visual (server.visual);
+       imlib_context_set_colormap (server.colormap);
 
-   imlib_context_set_display (server.dsp);
-   imlib_context_set_visual (server.visual);
-   imlib_context_set_colormap (DefaultColormap (server.dsp, server.screen));
+       /* Catch events */
+       XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
 
-   /* Catch events */
-   XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
+       setlocale (LC_ALL, "");
+       // config file use '.' as decimal separator
+       setlocale(LC_NUMERIC, "POSIX");
 
-   setlocale (LC_ALL, "");
+       // load default icon
+       gchar *path;
+       const gchar * const *data_dirs;
+       data_dirs = g_get_system_data_dirs ();
+       int i;
+       for (i = 0; data_dirs[i] != NULL; i++)  {
+               path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
+               if (g_file_test (path, G_FILE_TEST_EXISTS))
+                       default_icon = imlib_load_image(path);
+               g_free(path);
+       }
+
+       // get monitor and desktop config
+       get_monitors();
+       get_desktops();
 }
 
 
 void cleanup()
 {
+       cleanup_timeout();
+       cleanup_systray();
+       cleanup_tooltip();
+       cleanup_clock();
+       cleanup_launcher();
+#ifdef ENABLE_BATTERY
+       cleanup_battery();
+#endif
        cleanup_panel();
+       cleanup_config();
+
+       if (default_icon) {
+               imlib_context_set_image(default_icon);
+               imlib_free_image();
+       }
+       imlib_context_disconnect_display();
+
+       cleanup_server();
+       if (server.dsp) XCloseDisplay(server.dsp);
+}
+
 
-   if (time1_font_desc) pango_font_description_free(time1_font_desc);
-   if (time2_font_desc) pango_font_description_free(time2_font_desc);
-   if (time1_format) g_free(time1_format);
-   if (time2_format) g_free(time2_format);
+void get_snapshot(const char *path)
+{
+       Panel *panel = &panel1[0];
+
+       if (panel->area.width > server.monitor[0].width)
+               panel->area.width = server.monitor[0].width;
+
+       panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
+       rendering(panel);
 
-   if (server.monitor) free(server.monitor);
-   XFreeGC(server.dsp, server.gc);
-   XCloseDisplay(server.dsp);
+       Imlib_Image img = NULL;
+       imlib_context_set_drawable(panel->temp_pmap);
+       img = imlib_create_image_from_drawable(0, 0, 0, panel->area.width, panel->area.height, 0);
+
+       imlib_context_set_image(img);
+       if (!panel_horizontal) {
+               // rotate 90° vertical panel
+               imlib_image_flip_horizontal();
+               imlib_image_flip_diagonal();
+       }
+       imlib_save_image(path);
+       imlib_free_image();
 }
 
 
 void window_action (Task *tsk, int action)
 {
-   switch (action) {
-      case CLOSE:
-         set_close (tsk->win);
-         break;
-      case TOGGLE:
-         set_active(tsk->win);
-         break;
-      case ICONIFY:
-         XIconifyWindow (server.dsp, tsk->win, server.screen);
-         break;
-      case TOGGLE_ICONIFY:
-         if (tsk == task_active) XIconifyWindow (server.dsp, tsk->win, server.screen);
-         else set_active (tsk->win);
-         break;
-      case SHADE:
-         window_toggle_shade (tsk->win);
-         break;
-   }
+       if (!tsk) return;
+       int desk;
+       switch (action) {
+               case CLOSE:
+                       set_close (tsk->win);
+                       break;
+               case TOGGLE:
+                       set_active(tsk->win);
+                       break;
+               case ICONIFY:
+                       XIconifyWindow (server.dsp, tsk->win, server.screen);
+                       break;
+               case TOGGLE_ICONIFY:
+                       if (task_active && tsk->win == task_active->win)
+                               XIconifyWindow (server.dsp, tsk->win, server.screen);
+                       else
+                               set_active (tsk->win);
+                       break;
+               case SHADE:
+                       window_toggle_shade (tsk->win);
+                       break;
+               case MAXIMIZE_RESTORE:
+                       window_maximize_restore (tsk->win);
+                       break;
+               case MAXIMIZE:
+                       window_maximize_restore (tsk->win);
+                       break;
+               case RESTORE:
+                       window_maximize_restore (tsk->win);
+                       break;
+               case DESKTOP_LEFT:
+                       if ( tsk->desktop == 0 ) break;
+                       desk = tsk->desktop - 1;
+                       windows_set_desktop(tsk->win, desk);
+                       if (desk == server.desktop)
+                               set_active(tsk->win);
+                       break;
+               case DESKTOP_RIGHT:
+                       if (tsk->desktop == server.nb_desktop ) break;
+                       desk = tsk->desktop + 1;
+                       windows_set_desktop(tsk->win, desk);
+                       if (desk == server.desktop)
+                               set_active(tsk->win);
+                       break;
+               case NEXT_TASK:
+                       if (task_active) {
+                               Task *tsk1;
+                               tsk1 = next_task(task_active);
+                               set_active(tsk1->win);
+                       }
+                       break;
+               case PREV_TASK:
+                       if (task_active) {
+                               Task *tsk1;
+                               tsk1 = prev_task(task_active);
+                               set_active(tsk1->win);
+                       }
+       }
+}
+
+
+int tint2_handles_click(Panel* panel, XButtonEvent* e)
+{
+       Task* task = click_task(panel, e->x, e->y);
+       if (task) {
+               if(   (e->button == 1)
+                        || (e->button == 2 && mouse_middle != 0)
+                        || (e->button == 3 && mouse_right != 0)
+                        || (e->button == 4 && mouse_scroll_up != 0)
+                        || (e->button == 5 && mouse_scroll_down !=0) )
+               {
+                       return 1;
+               }
+               else
+                       return 0;
+       }
+       LauncherIcon *icon = click_launcher_icon(panel, e->x, e->y);
+       if (icon) {
+               if (e->button == 1) {
+                       return 1;
+               } else {
+                       return 0;
+               }
+       }
+       // no launcher/task clicked --> check if taskbar clicked
+       Taskbar *tskbar = click_taskbar(panel, e->x, e->y);
+       if (tskbar && e->button == 1 && panel_mode == MULTI_DESKTOP)
+               return 1;
+       if (click_clock(panel, e->x, e->y)) {
+               if ( (e->button == 1 && clock_lclick_command) || (e->button == 3 && clock_rclick_command) )
+                       return 1;
+               else
+                       return 0;
+       }
+       return 0;
+}
+
+
+void forward_click(XEvent* e)
+{
+       // forward the click to the desktop window (thanks conky)
+       XUngrabPointer(server.dsp, e->xbutton.time);
+       e->xbutton.window = server.root_win;
+       // icewm doesn't open under the mouse.
+       // and xfce doesn't open at all.
+       e->xbutton.x = e->xbutton.x_root;
+       e->xbutton.y = e->xbutton.y_root;
+       //printf("**** %d, %d\n", e->xbutton.x, e->xbutton.y);
+       //XSetInputFocus(server.dsp, e->xbutton.window, RevertToParent, e->xbutton.time);
+       XSendEvent(server.dsp, e->xbutton.window, False, ButtonPressMask, e);
 }
 
 
 void event_button_press (XEvent *e)
 {
-   Panel *panel = get_panel(e->xany.window);
+       Panel *panel = get_panel(e->xany.window);
        if (!panel) return;
 
-   if (panel_mode != MULTI_DESKTOP) {
-      // drag and drop disabled
-      XLowerWindow (server.dsp, panel->main_win);
-      return;
-   }
-
-   GSList *l0;
-   Taskbar *tskbar;
-   int x = e->xbutton.x;
-   int y = e->xbutton.y;
-   for (l0 = panel->area.list; l0 ; l0 = l0->next) {
-      tskbar = l0->data;
-      if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
-         break;
-   }
-
-   if (l0) {
-      Task *tsk;
-      for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
-         tsk = l0->data;
-         if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
-            task_drag = tsk;
-            break;
-         }
-      }
-   }
-
-   XLowerWindow (server.dsp, panel->main_win);
+
+       if (wm_menu && !tint2_handles_click(panel, &e->xbutton) ) {
+               forward_click(e);
+               return;
+       }
+       task_drag = click_task(panel, e->xbutton.x, e->xbutton.y);
+
+       if (panel_layer == BOTTOM_LAYER)
+               XLowerWindow (server.dsp, panel->main_win);
 }
 
+void event_button_motion_notify (XEvent *e)
+{
+       Panel * panel = get_panel(e->xany.window);
+       if(!panel || !task_drag)
+               return;
+
+       // Find the taskbar on the event's location
+       Taskbar * event_taskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y);
+       if(event_taskbar == NULL)
+               return;
+
+       // Find the task on the event's location
+       Task * event_task = click_task(panel, e->xbutton.x, e->xbutton.y);
+
+       // If the event takes place on the same taskbar as the task being dragged
+       if(event_taskbar == task_drag->area.parent)     {
+               // Swap the task_drag with the task on the event's location (if they differ)
+               if(event_task && event_task != task_drag) {
+                       GSList * drag_iter = g_slist_find(event_taskbar->area.list, task_drag);
+                       GSList * task_iter = g_slist_find(event_taskbar->area.list, event_task);
+                       if(drag_iter && task_iter) {
+                               gpointer temp = task_iter->data;
+                               task_iter->data = drag_iter->data;
+                               drag_iter->data = temp;
+                               event_taskbar->area.resize = 1;
+                               panel_refresh = 1;
+                               task_dragged = 1;
+                       }
+               }
+       }
+       else { // The event is on another taskbar than the task being dragged
+               if(task_drag->desktop == ALLDESKTOP || panel_mode != MULTI_DESKTOP)
+                       return;
+
+               Taskbar * drag_taskbar = (Taskbar*)task_drag->area.parent;
+               drag_taskbar->area.list = g_slist_remove(drag_taskbar->area.list, task_drag);
+
+               if(event_taskbar->area.posx > drag_taskbar->area.posx || event_taskbar->area.posy > drag_taskbar->area.posy)
+                       event_taskbar->area.list = g_slist_prepend(event_taskbar->area.list, task_drag);
+               else
+                       event_taskbar->area.list = g_slist_append(event_taskbar->area.list, task_drag);
+
+               // Move task to other desktop (but avoid the 'Window desktop changed' code in 'event_property_notify')
+               task_drag->area.parent = event_taskbar;
+               task_drag->desktop = event_taskbar->desktop;
+
+               windows_set_desktop(task_drag->win, event_taskbar->desktop);
+
+               event_taskbar->area.resize = 1;
+               drag_taskbar->area.resize = 1;
+               task_dragged = 1;
+               panel_refresh = 1;
+       }
+}
 
 void event_button_release (XEvent *e)
 {
-   // TODO: convert event_button_press(int x, int y) to area->event_button_press()
-
-   Panel *panel = get_panel(e->xany.window);
+       Panel *panel = get_panel(e->xany.window);
        if (!panel) return;
 
-   int action = TOGGLE_ICONIFY;
-   int x = e->xbutton.x;
-   int y = e->xbutton.y;
-   switch (e->xbutton.button) {
-      case 2:
-         action = mouse_middle;
-         break;
-      case 3:
-         action = mouse_right;
-         break;
-      case 4:
-         action = mouse_scroll_up;
-         break;
-      case 5:
-         action = mouse_scroll_down;
-         break;
-   }
-
-   // search taskbar
-   Taskbar *tskbar;
-   GSList *l0;
-   for (l0 = panel->area.list; l0 ; l0 = l0->next) {
-      tskbar = l0->data;
-      if (x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
-         goto suite;
-   }
-
-   // TODO: check better solution to keep window below
-   XLowerWindow (server.dsp, panel->main_win);
-   task_drag = 0;
-   return;
-
-suite:
-   // drag and drop task
-   if (task_drag) {
-      if (tskbar != task_drag->area.parent && action == TOGGLE_ICONIFY) {
-         if (task_drag->desktop != ALLDESKTOP && panel_mode == MULTI_DESKTOP) {
-            windows_set_desktop(task_drag->win, tskbar->desktop);
-            if (tskbar->desktop == server.desktop)
-               set_active(task_drag->win);
-            task_drag = 0;
-         }
-         return;
-      }
-      else task_drag = 0;
-   }
-
-   // switch desktop
-   if (panel_mode == MULTI_DESKTOP)
-      if (tskbar->desktop != server.desktop && action != CLOSE)
-         set_desktop (tskbar->desktop);
-
-   // action on task
-   Task *tsk;
-   GSList *l;
-   for (l = tskbar->area.list ; l ; l = l->next) {
-      tsk = l->data;
-      if (x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
-         window_action (tsk, action);
-         break;
-      }
-   }
-
-   // to keep window below
-   XLowerWindow (server.dsp, panel->main_win);
+       if (wm_menu && !tint2_handles_click(panel, &e->xbutton)) {
+               forward_click(e);
+               if (panel_layer == BOTTOM_LAYER)
+                       XLowerWindow (server.dsp, panel->main_win);
+               task_drag = 0;
+               return;
+       }
+
+       int action = TOGGLE_ICONIFY;
+       switch (e->xbutton.button) {
+               case 2:
+                       action = mouse_middle;
+                       break;
+               case 3:
+                       action = mouse_right;
+                       break;
+               case 4:
+                       action = mouse_scroll_up;
+                       break;
+               case 5:
+                       action = mouse_scroll_down;
+                       break;
+               case 6:
+                       action = mouse_tilt_left;
+                       break;
+               case 7:
+                       action = mouse_tilt_right;
+                       break;
+       }
+
+       if ( click_clock(panel, e->xbutton.x, e->xbutton.y)) {
+               clock_action(e->xbutton.button);
+               if (panel_layer == BOTTOM_LAYER)
+                       XLowerWindow (server.dsp, panel->main_win);
+               task_drag = 0;
+               return;
+       }
+
+       if ( click_launcher(panel, e->xbutton.x, e->xbutton.y)) {
+               LauncherIcon *icon = click_launcher_icon(panel, e->xbutton.x, e->xbutton.y);
+               if (icon) {
+                       launcher_action(icon);
+               }
+               task_drag = 0;
+               return;
+       }
+
+       Taskbar *tskbar;
+       if ( !(tskbar = click_taskbar(panel, e->xbutton.x, e->xbutton.y)) ) {
+               // TODO: check better solution to keep window below
+               if (panel_layer == BOTTOM_LAYER)
+                       XLowerWindow (server.dsp, panel->main_win);
+               task_drag = 0;
+               return;
+       }
+
+       // drag and drop task
+       if (task_dragged) {
+               task_drag = 0;
+               task_dragged = 0;
+               return;
+       }
+
+       // switch desktop
+       if (panel_mode == MULTI_DESKTOP) {
+               if (tskbar->desktop != server.desktop && action != CLOSE && action != DESKTOP_LEFT && action != DESKTOP_RIGHT)
+                       set_desktop (tskbar->desktop);
+       }
+
+       // action on task
+       window_action( click_task(panel, e->xbutton.x, e->xbutton.y), action);
+
+       // to keep window below
+       if (panel_layer == BOTTOM_LAYER)
+               XLowerWindow (server.dsp, panel->main_win);
 }
 
 
-void event_property_notify (Window win, Atom at)
+void event_property_notify (XEvent *e)
 {
-       int i, j;
-   Task *tsk;
-
-   if (win == server.root_win) {
-      if (!server.got_root_win) {
-         XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
-         server.got_root_win = 1;
-      }
-
-      /* Change number of desktops */
-      else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
-             server.nb_desktop = server_get_number_of_desktop ();
-                       cleanup_taskbar();
+       int i;
+       Task *tsk;
+       Window win = e->xproperty.window;
+       Atom at = e->xproperty.atom;
+
+       if (win == server.root_win) {
+               if (!server.got_root_win) {
+                       XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask);
+                       server.got_root_win = 1;
+               }
+
+               // Change number of desktops
+               else if (at == server.atom._NET_NUMBER_OF_DESKTOPS) {
+                       server.nb_desktop = server_get_number_of_desktop ();
+                       cleanup_taskbar();
                        init_taskbar();
-                       visible_object();
                        for (i=0 ; i < nb_panel ; i++) {
-                               set_resize(&panel1[i]);
+                               set_panel_items(&panel1[i]);
+                               panel1[i].area.resize = 1;
                        }
+                       visible_object();
                        task_refresh_tasklist();
+                       active_task();
                        panel_refresh = 1;
-      }
-      /* Change desktop */
-      else if (at == server.atom._NET_CURRENT_DESKTOP) {
-         server.desktop = server_get_current_desktop ();
-         if (panel_mode != MULTI_DESKTOP) {
-                               visible_object();
-         }
-      }
-      /* Window list */
-      else if (at == server.atom._NET_CLIENT_LIST) {
-         task_refresh_tasklist();
-         panel_refresh = 1;
-      }
-      /* Change active */
-      else if (at == server.atom._NET_ACTIVE_WINDOW) {
-         GSList *l0;
-       if (task_active) {
-                               for (i=0 ; i < nb_panel ; i++) {
-                                       for (j=0 ; j < panel1[i].nb_desktop ; j++) {
-                  for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
-                     tsk = l0->data;
-                          tsk->area.is_active = 0;
-                  }
+               }
+               // Change desktop
+               else if (at == server.atom._NET_CURRENT_DESKTOP) {
+                       int old_desktop = server.desktop;
+                       server.desktop = server_get_current_desktop ();
+                       for (i=0 ; i < nb_panel ; i++) {
+                               Panel *panel = &panel1[i];
+                               if (panel_mode == MULTI_DESKTOP && panel->g_taskbar.use_active) {
+                                       // redraw both taskbar
+                                       if (server.nb_desktop > old_desktop) {
+                                               // can happen if last desktop is deleted and we've been on the last desktop
+                                               panel->taskbar[old_desktop].area.bg = panel->g_taskbar.bg;
+                                               panel->taskbar[old_desktop].area.resize = 1;
                                        }
+                                       panel->taskbar[server.desktop].area.bg = panel->g_taskbar.bg_active;
+                                       panel->taskbar[server.desktop].area.resize = 1;
+                                       panel_refresh = 1;
                                }
-               task_active = 0;
-                       }
-         Window w1 = window_get_active ();
-         Task *t = task_get_task(w1);
-         if (!t) {
-            Window w2;
-            if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
-               if (w2) t = task_get_task(w2);
-         }
-         if (t) {
-                               for (i=0 ; i < nb_panel ; i++) {
-                                       for (j=0 ; j < panel1[i].nb_desktop ; j++) {
-                  for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
-                     tsk = l0->data;
-                     if (tsk->win == t->win) {
-                               tsk->area.is_active = 1;
-                               //printf("active monitor %d, task %s\n", panel1[i].monitor, tsk->title);
-                       }
-                  }
+                               // check ALLDESKTOP task => resize taskbar
+                               Taskbar *tskbar;
+                               Task *tsk;
+                               GSList *l;
+                               if (server.nb_desktop > old_desktop) {
+                                       tskbar = &panel->taskbar[old_desktop];
+                                       for (l = tskbar->area.list; l ; l = l->next) {
+                                               tsk = l->data;
+                                               if (tsk->desktop == ALLDESKTOP) {
+                                                       tsk->area.on_screen = 0;
+                                                       tskbar->area.resize = 1;
+                                                       panel_refresh = 1;
+                                               }
+                                       }
+                               }
+                               tskbar = &panel->taskbar[server.desktop];
+                               for (l = tskbar->area.list; l ; l = l->next) {
+                                       tsk = l->data;
+                                       if (tsk->desktop == ALLDESKTOP) {
+                                               tsk->area.on_screen = 1;
+                                               tskbar->area.resize = 1;
                                        }
                                }
-               task_active = t;
                        }
-         panel_refresh = 1;
-      }
-      /* Wallpaper changed */
-      else if (at == server.atom._XROOTPMAP_ID) {
+                       if (panel_mode != MULTI_DESKTOP) {
+                               visible_object();
+                       }
+               }
+               // Window list
+               else if (at == server.atom._NET_CLIENT_LIST) {
+                       task_refresh_tasklist();
+                       panel_refresh = 1;
+               }
+               // Change active
+               else if (at == server.atom._NET_ACTIVE_WINDOW) {
+                       active_task();
+                       panel_refresh = 1;
+               }
+               else if (at == server.atom._XROOTPMAP_ID) {
+                       // change Wallpaper
                        for (i=0 ; i < nb_panel ; i++) {
                                set_panel_background(&panel1[i]);
                        }
-         panel_refresh = 1;
-      }
-   }
-   else {
-      tsk = task_get_task (win);
-      if (!tsk) return;
-      //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
-
-      /* Window title changed */
-      if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
-                       Task *tsk2;
-                       GSList *l0;
-                       get_title(tsk);
-                       // changed other tsk->title
-                       for (i=0 ; i < nb_panel ; i++) {
-                               for (j=0 ; j < panel1[i].nb_desktop ; j++) {
-                                       for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
-                                               tsk2 = l0->data;
-                                               if (tsk->win == tsk2->win && tsk != tsk2) {
-                                                       tsk2->title = tsk->title;
-                                                       tsk2->area.redraw = 1;
-                                               }
-                                       }
+                       panel_refresh = 1;
+               }
+       }
+       else {
+               tsk = task_get_task (win);
+               if (!tsk) {
+                       if (at != server.atom._NET_WM_STATE)
+                               return;
+                       else {
+                               // xfce4 sends _NET_WM_STATE after minimized to tray, so we need to check if window is mapped
+                               // if it is mapped and not set as skip_taskbar, we must add it to our task list
+                               XWindowAttributes wa;
+                               XGetWindowAttributes(server.dsp, win, &wa);
+                               if (wa.map_state == IsViewable && !window_is_skip_taskbar(win)) {
+                                       if ( (tsk = add_task(win)) )
+                                               panel_refresh = 1;
+                                       else
+                                               return;
                                }
+                               else
+                                       return;
                        }
-         panel_refresh = 1;
-      }
-      /* Iconic state */
-      else if (at == server.atom.WM_STATE) {
-         if (window_is_iconified (win))
-            if (task_active) {
-               if (task_active->win == tsk->win) {
-                                               Task *tsk2;
-                                               GSList *l0;
-                                               for (i=0 ; i < nb_panel ; i++) {
-                                                       for (j=0 ; j < panel1[i].nb_desktop ; j++) {
-                                                               for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
-                                                                       tsk2 = l0->data;
-                                                                       tsk2->area.is_active = 0;
-                                                               }
-                                                       }
-                                               }
-                  task_active = 0;
-               }
-            }
-      }
-      /* Window icon changed */
-      else if (at == server.atom._NET_WM_ICON) {
-                  get_icon(tsk);
-                       Task *tsk2;
-                       GSList *l0;
-                       for (i=0 ; i < nb_panel ; i++) {
-                               for (j=0 ; j < panel1[i].nb_desktop ; j++) {
-                                       for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
-                                               tsk2 = l0->data;
-                                               if (tsk->win == tsk2->win && tsk != tsk2) {
-                                                       tsk2->icon_width = tsk->icon_width;
-                                                       tsk2->icon_height = tsk->icon_height;
-                                                       tsk2->icon_data = tsk->icon_data;
-                                                       tsk2->area.redraw = 1;
-                                               }
-                                       }
-                               }
+               }
+               //printf("atom root_win = %s, %s\n", XGetAtomName(server.dsp, at), tsk->title);
+
+               // Window title changed
+               if (at == server.atom._NET_WM_VISIBLE_NAME || at == server.atom._NET_WM_NAME || at == server.atom.WM_NAME) {
+                       get_title(tsk);
+                       if (g_tooltip.mapped && (g_tooltip.area == (Area*)tsk)) {
+                               tooltip_copy_text((Area*)tsk);
+                               tooltip_update();
+                       }
+                       panel_refresh = 1;
+               }
+               // Demand attention
+               else if (at == server.atom._NET_WM_STATE) {
+                       if (window_is_urgent (win)) {
+                               add_urgent(tsk);
                        }
-         panel_refresh = 1;
-      }
-      /* Window desktop changed */
-      else if (at == server.atom._NET_WM_DESKTOP) {
-         remove_task (tsk);
-         add_task (win);
-         panel_refresh = 1;
-      }
-
-      if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
-   }
+                       if (window_is_skip_taskbar(win)) {
+                               remove_task( tsk );
+                               panel_refresh = 1;
+                       }
+               }
+               else if (at == server.atom.WM_STATE) {
+                       // Iconic state
+                       int state = (task_active && tsk->win == task_active->win ? TASK_ACTIVE : TASK_NORMAL);
+                       if (window_is_iconified(win))
+                               state = TASK_ICONIFIED;
+                       set_task_state(tsk, state);
+                       panel_refresh = 1;
+               }
+               // Window icon changed
+               else if (at == server.atom._NET_WM_ICON) {
+                       get_icon(tsk);
+                       panel_refresh = 1;
+               }
+               // Window desktop changed
+               else if (at == server.atom._NET_WM_DESKTOP) {
+                       int desktop = window_get_desktop (win);
+                       //printf("  Window desktop changed %d, %d\n", tsk->desktop, desktop);
+                       // bug in windowmaker : send unecessary 'desktop changed' when focus changed
+                       if (desktop != tsk->desktop) {
+                               remove_task (tsk);
+                               tsk = add_task (win);
+                               active_task();
+                               panel_refresh = 1;
+                       }
+               }
+               else if (at == server.atom.WM_HINTS) {
+                       XWMHints* wmhints = XGetWMHints(server.dsp, win);
+                       if (wmhints && wmhints->flags & XUrgencyHint) {
+                               add_urgent(tsk);
+                       }
+                       XFree(wmhints);
+               }
+
+               if (!server.got_root_win) server.root_win = RootWindow (server.dsp, server.screen);
+       }
 }
 
 
-void event_configure_notify (Window win)
+void event_expose (XEvent *e)
 {
-   if (panel_mode != SINGLE_MONITOR) return;
-   if (server.nb_monitor == 1) return;
-
-   Task *tsk = task_get_task (win);
-   if (!tsk) return;
-
-   Panel *p = tsk->area.panel;
-   if (p->monitor != window_get_monitor (win)) {
-      // task on another monitor
-      remove_task (tsk);
-      add_task (win);
-      panel_refresh = 1;
-   }
+       Panel *panel;
+       panel = get_panel(e->xany.window);
+       if (!panel) return;
+       // TODO : one panel_refresh per panel ?
+       panel_refresh = 1;
 }
 
 
-void event_timer()
+void event_configure_notify (Window win)
 {
-   struct timeval stv;
-
-   if (!time1_format) return;
+       // change in root window (xrandr)
+       if (win == server.root_win) {
+               signal_pending = SIGUSR1;
+               return;
+       }
 
-   if (gettimeofday(&stv, 0)) return;
+       // 'win' is a trayer icon
+       TrayWindow *traywin;
+       GSList *l;
+       for (l = systray.list_icons; l ; l = l->next) {
+               traywin = (TrayWindow*)l->data;
+               if (traywin->tray_id == win) {
+                       //printf("move tray %d\n", traywin->x);
+                       XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, traywin->width, traywin->height);
+                       XResizeWindow(server.dsp, traywin->tray_id, traywin->width, traywin->height);
+                       panel_refresh = 1;
+                       return;
+               }
+       }
 
-   if (abs(stv.tv_sec - time_clock.tv_sec) < time_precision) return;
+       // 'win' move in another monitor
+       if (nb_panel == 1) return;
+       Task *tsk = task_get_task (win);
+       if (!tsk) return;
+
+       Panel *p = tsk->area.panel;
+       if (p->monitor != window_get_monitor (win)) {
+               remove_task (tsk);
+               tsk = add_task (win);
+               if (win == window_get_active ()) {
+                       set_task_state(tsk, TASK_ACTIVE);
+                       task_active = tsk;
+               }
+               panel_refresh = 1;
+       }
+}
 
-   // update clock
-   time_clock.tv_sec = stv.tv_sec;
-   time_clock.tv_sec -= time_clock.tv_sec % time_precision;
 
-       int i;
-       for (i=0 ; i < nb_panel ; i++) {
-          panel1[i].clock.area.redraw = 1;
-          panel1[i].clock.area.resize = 1;
+void dnd_message(XClientMessageEvent *e)
+{
+       Panel *panel = get_panel(e->window);
+       int x, y, mapX, mapY;
+       Window child;
+       x = (e->data.l[2] >> 16) & 0xFFFF;
+       y = e->data.l[2] & 0xFFFF;
+       XTranslateCoordinates(server.dsp, server.root_win, e->window, x, y, &mapX, &mapY, &child);
+       Task* task = click_task(panel, mapX, mapY);
+       if (task) {
+               if (task->desktop != server.desktop )
+                       set_desktop (task->desktop);
+               window_action(task, TOGGLE);
        }
-   panel_refresh = 1;
+
+       // send XdndStatus event to get more XdndPosition events
+       XClientMessageEvent se;
+       se.type = ClientMessage;
+       se.window = e->data.l[0];
+       se.message_type = server.atom.XdndStatus;
+       se.format = 32;
+       se.data.l[0] = e->window;  // XID of the target window
+       se.data.l[1] = 0;          // bit 0: accept drop    bit 1: send XdndPosition events if inside rectangle
+       se.data.l[2] = 0;          // Rectangle x,y for which no more XdndPosition events
+       se.data.l[3] = (1 << 16) | 1;  // Rectangle w,h for which no more XdndPosition events
+       se.data.l[4] = None;       // None = drop will not be accepted
+       XSendEvent(server.dsp, e->data.l[0], False, NoEventMask, (XEvent*)&se);
 }
 
 
 int main (int argc, char *argv[])
 {
-   XEvent e;
-   fd_set fd;
-   int x11_fd, i, c;
-   struct timeval tv;
-   Panel *panel;
-
-   c = getopt (argc, argv, "c:");
-   init ();
-
-load_config:
-   i = 0;
-       init_config();
-   if (c != -1)
-      i = config_read_file (optarg);
-   if (!i)
-      i = config_read ();
-   if (!i) {
-      fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
-      cleanup();
-      exit(1);
-   }
-   config_finish();
-
-   x11_fd = ConnectionNumber(server.dsp);
-   XSync(server.dsp, False);
-
-   while (1) {
-      // thanks to AngryLlama for the timer
-      // Create a File Description Set containing x11_fd
-      FD_ZERO (&fd);
-      FD_SET (x11_fd, &fd);
-
-      tv.tv_usec = 500000;
-      tv.tv_sec = 0;
-
-      // Wait for X Event or a Timer
-      if (select(x11_fd+1, &fd, 0, 0, &tv)) {
-         while (XPending (server.dsp)) {
-            XNextEvent(server.dsp, &e);
-
-            switch (e.type) {
-               case ButtonPress:
-                  //printf("ButtonPress %lx\n", e.xproperty.window);
-                  if (e.xbutton.button == 1) event_button_press (&e);
-                  break;
-
-               case ButtonRelease:
-                  event_button_release (&e);
-                  break;
-
-               case Expose:
-                       panel = get_panel(e.xany.window);
-                       if (!panel) break;
-                  //XCopyArea (server.dsp, panel.area.pix.pmap, server.root_win, server.gc_root, 0, 0, panel.area.width, panel.area.height, server.posx, server.posy);
-                  //XCopyArea (server.dsp, server.pmap, panel.main_win, server.gc, panel.area.paddingxlr, 0, panel.area.width-(2*panel.area.paddingxlr), panel.area.height, 0, 0);
-                  XCopyArea (server.dsp, panel->root_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
-                  break;
-
-               case PropertyNotify:
-                  event_property_notify (e.xproperty.window, e.xproperty.atom);
-                  break;
-
-               case ConfigureNotify:
-                  if (e.xconfigure.window == server.root_win)
-                     goto load_config;
-                  else
-                     event_configure_notify (e.xconfigure.window);
-                  break;
+       XEvent e;
+       XClientMessageEvent *ev;
+       fd_set fdset;
+       int x11_fd, i;
+       Panel *panel;
+       GSList *it;
+       struct timeval* timeout;
+       int hidden_dnd = 0;
+
+start:
+       init (argc, argv);
+       init_X11();
+
+       i = 0;
+       if (config_path)
+               i = config_read_file (config_path);
+       else
+               i = config_read ();
+       if (!i) {
+               fprintf(stderr, "usage: tint2 [-c] <config_file>\n");
+               cleanup();
+               exit(1);
+       }
+
+       init_panel();
+       if (snapshot_path) {
+               get_snapshot(snapshot_path);
+               cleanup();
+               exit(0);
+       }
+
+       int damage_event, damage_error;
+       XDamageQueryExtension(server.dsp, &damage_event, &damage_error);
+       x11_fd = ConnectionNumber(server.dsp);
+       XSync(server.dsp, False);
 
+//     sigset_t empty_mask;
+//     sigemptyset(&empty_mask);
+
+       while (1) {
+               if (panel_refresh) {
+                       panel_refresh = 0;
+
+                       for (i=0 ; i < nb_panel ; i++) {
+                               panel = &panel1[i];
+
+                               if (panel->is_hidden) {
+                                       XCopyArea(server.dsp, panel->hidden_pixmap, panel->main_win, server.gc, 0, 0, panel->hidden_width, panel->hidden_height, 0, 0);
+                                       XSetWindowBackgroundPixmap(server.dsp, panel->main_win, panel->hidden_pixmap);
+                               }
+                               else {
+                                       if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
+                                       panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
+                                       rendering(panel);
+                                       XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
+                               }
+                       }
+                       XFlush (server.dsp);
+
+                       panel = (Panel*)systray.area.panel;
+                       if (refresh_systray && panel && !panel->is_hidden) {
+                               refresh_systray = 0;
+                               // tint2 doen't draw systray icons. it just redraw background.
+                               XSetWindowBackgroundPixmap (server.dsp, panel->main_win, panel->temp_pmap);
+                               // force icon's refresh
+                               refresh_systray_icon();
+                       }
+               }
+
+               // thanks to AngryLlama for the timer
+               // Create a File Description Set containing x11_fd
+               FD_ZERO (&fdset);
+               FD_SET (x11_fd, &fdset);
+               update_next_timeout();
+               if (next_timeout.tv_sec >= 0 && next_timeout.tv_usec >= 0)
+                       timeout = &next_timeout;
+               else
+                       timeout = 0;
+
+               // Wait for X Event or a Timer
+               if (select(x11_fd+1, &fdset, 0, 0, timeout) > 0) {
+                       while (XPending (server.dsp)) {
+                               XNextEvent(server.dsp, &e);
+
+                               panel = get_panel(e.xany.window);
+                               if (panel && panel_autohide) {
+                                       if (e.type == EnterNotify)
+                                               autohide_trigger_show(panel);
+                                       else if (e.type == LeaveNotify)
+                                               autohide_trigger_hide(panel);
+                                       if (panel->is_hidden) {
+                                               if (e.type == ClientMessage && e.xclient.message_type == server.atom.XdndPosition) {
+                                                       hidden_dnd = 1;
+                                                       autohide_show(panel);
+                                               }
+                                               else
+                                                       continue;   // discard further processing of this event because the panel is not visible yet
+                                       }
+                                       else if (hidden_dnd && e.type == ClientMessage && e.xclient.message_type == server.atom.XdndLeave) {
+                                               hidden_dnd = 0;
+                                               autohide_hide(panel);
+                                       }
+                               }
+
+                               switch (e.type) {
+                                       case ButtonPress:
+                                               tooltip_hide(0);
+                                               event_button_press (&e);
+                                               break;
+
+                                       case ButtonRelease:
+                                               event_button_release(&e);
+                                               break;
+
+                                       case MotionNotify: {
+                                               unsigned int button_mask = Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask;
+                                               if (e.xmotion.state & button_mask)
+                                                       event_button_motion_notify (&e);
+
+                                               if (!g_tooltip.enabled) break;
+                                               Panel* panel = get_panel(e.xmotion.window);
+                                               Area* area = click_area(panel, e.xmotion.x, e.xmotion.y);
+                                               if (area->_get_tooltip_text)
+                                                       tooltip_trigger_show(area, panel, &e);
+                                               else
+                                                       tooltip_trigger_hide();
+                                               break;
+                                       }
+
+                                       case LeaveNotify:
+                                               if (g_tooltip.enabled)
+                                                       tooltip_trigger_hide();
+                                               break;
+
+                                       case Expose:
+                                               event_expose(&e);
+                                               break;
+
+                                       case PropertyNotify:
+                                               event_property_notify(&e);
+                                               break;
+
+                                       case ConfigureNotify:
+                                               event_configure_notify (e.xconfigure.window);
+                                               break;
+
+                                       case ReparentNotify:
+                                               if (!systray_enabled)
+                                                       break;
+                                               panel = (Panel*)systray.area.panel;
+                                               if (e.xany.window == panel->main_win) // reparented to us
+                                                       break;
+                                               // FIXME: 'reparent to us' badly detected => disabled
+                                               break;
                                        case UnmapNotify:
                                        case DestroyNotify:
-                                       /*
-                                               GSList *it;
-                                               for (it = icons; it; it = g_slist_next(it)) {
-                                                       if (((TrayWindow*)it->data)->id == e.xany.window) {
-                                                               icon_remove(it);
+                                               if (e.xany.window == server.composite_manager) {
+                                                       // Stop real_transparency
+                                                       signal_pending = SIGUSR1;
+                                                       break;
+                                               }
+                                               if (e.xany.window == g_tooltip.window || !systray_enabled)
+                                                       break;
+                                               for (it = systray.list_icons; it; it = g_slist_next(it)) {
+                                                       if (((TrayWindow*)it->data)->tray_id == e.xany.window) {
+                                                               remove_icon((TrayWindow*)it->data);
                                                                break;
                                                        }
-                                               }*/
+                                               }
                                        break;
 
                                        case ClientMessage:
-                                               break;
-                                               if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32)
-                                               // &&   e.xclient.window == net_sel_win)
+                                               ev = &e.xclient;
+                                               if (ev->data.l[1] == server.atom._NET_WM_CM_S0) {
+                                                       if (ev->data.l[2] == None)
+                                                               // Stop real_transparency
+                                                               signal_pending = SIGUSR1;
+                                                       else
+                                                               // Start real_transparency
+                                                               signal_pending = SIGUSR1;
+                                               }
+                                               if (systray_enabled && e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) {
                                                        net_message(&e.xclient);
-                  break;
-            }
-         }
-      }
-      else event_timer();
-
-               switch (signal_pending) {
-                       case SIGUSR1:
-            goto load_config;
-                       case SIGINT:
-                       case SIGTERM:
-                          cleanup ();
-                          return 0;
-      }
-
-      if (panel_refresh) {
-                       for (i=0 ; i < nb_panel ; i++) {
-                visual_refresh(&panel1[i]);
+                                               }
+                                               else if (e.xclient.message_type == server.atom.XdndPosition) {
+                                                       dnd_message(&e.xclient);
+                                               }
+                                               break;
+
+                                       default:
+                                               if (e.type == XDamageNotify+damage_event) {
+                                                       // union needed to avoid strict-aliasing warnings by gcc
+                                                       union { XEvent e; XDamageNotifyEvent de; } event_union = {.e=e};
+                                                       TrayWindow *traywin;
+                                                       GSList *l;
+                                                       XDamageNotifyEvent* de = &event_union.de;
+                                                       for (l = systray.list_icons; l ; l = l->next) {
+                                                               traywin = (TrayWindow*)l->data;
+                                                               if ( traywin->id == de->drawable ) {
+                                                                       systray_render_icon(traywin);
+                                                                       break;
+                                                               }
+                                                       }
+                                               }
+                               }
                        }
+               }
 
-                       XFlush (server.dsp);
-                       panel_refresh = 0;
+               callback_timeout_expired();
+
+               if (signal_pending) {
+                       cleanup();
+                       if (signal_pending == SIGUSR1) {
+                               // restart tint2
+                               // SIGUSR1 used when : user's signal, composite manager stop/start or xrandr
+                               FD_CLR (x11_fd, &fdset); // not sure if needed
+                               goto start;
+                       }
+                       else {
+                               // SIGINT, SIGTERM, SIGHUP
+                               return 0;
+                       }
                }
-   }
+       }
 }
 
 
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