src/tint.c (raw)
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/************************************************************************** * * Tint2 panel * * Copyright (C) 2007 Pål Staurland (staura@gmail.com) * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. **************************************************************************/ #include <sys/stat.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 "panel.h" #include "tooltip.h" #include "timer.h" void signal_handler(int sig) { // signal handler is light as it should be signal_pending = sig; } 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_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_pending = 0; struct sigaction sa = { .sa_handler = signal_handler }; sigaction(SIGUSR1, &sa, 0); sigaction(SIGINT, &sa, 0); sigaction(SIGTERM, &sa, 0); sigaction(SIGHUP, &sa, 0); // signal(SIGCHLD, SIG_IGN); // don't have to wait() after fork() // 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.desktop = server_get_current_desktop (); server_init_visual(); XSetErrorHandler ((XErrorHandler) server_catch_error); imlib_context_set_display (server.dsp); imlib_context_set_visual (server.visual); imlib_context_set_colormap (server.colormap); /* Catch events */ XSelectInput (server.dsp, server.root_win, PropertyChangeMask|StructureNotifyMask); setlocale (LC_ALL, ""); // config file use '.' as decimal separator setlocale(LC_NUMERIC, "POSIX"); // 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_panel(); cleanup_tooltip(); cleanup_clock(); #ifdef ENABLE_BATTERY cleanup_battery(); #endif 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); } 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); refresh(&panel->area); 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) { 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; } // no 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); if (!panel) return; 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) { Panel *panel = get_panel(e->xany.window); if (!panel) return; 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; } 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 (XEvent *e) { 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++) { panel1[i].area.resize = 1; } task_refresh_tasklist(); active_task(); panel_refresh = 1; } // 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; } // 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; } } } 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) { 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; } } //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); } 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_expose (XEvent *e) { Panel *panel; panel = get_panel(e->xany.window); if (!panel) return; // TODO : one panel_refresh per panel ? panel_refresh = 1; } void event_configure_notify (Window win) { // change in root window (xrandr) if (win == server.root_win) { signal_pending = SIGUSR1; 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; } } // '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; } } 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); } // 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; XClientMessageEvent *ev; fd_set fdset; int x11_fd, i; Panel *panel; GSList *it; struct timeval* timeout; 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); refresh(&panel->area); 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) continue; // discard further processing of this event because the panel is not visible yet } 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.xmotion.x_root, e.xmotion.y_root); 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: if (e.xany.window == server.composite_manager) { // Stop real_transparency signal_pending = SIGUSR1; break; } if (e.xany.window == g_tooltip.window || !systray.area.on_screen) 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: 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.area.on_screen) break; if (e.xclient.message_type == server.atom._NET_SYSTEM_TRAY_OPCODE && e.xclient.format == 32 && e.xclient.window == net_sel_win) { net_message(&e.xclient); } 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; } } } } } } 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; } } } } |