Dogcows Code - chaz/tint2/blob - src/panel.c

   1 /**************************************************************************
   2 *
   3 * Copyright (C) 2008 Pål Staurland (staura@gmail.com)
   4 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License version 2
   8 * as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, write to the Free Software
  16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 **************************************************************************/
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include <X11/Xlib.h>
  23 #include <X11/Xutil.h>
  24 #include <X11/Xatom.h>
  25 #include <cairo.h>
  26 #include <cairo-xlib.h>
  27 #include <pango/pangocairo.h>
  28
  29 #include "server.h"
  30 #include "window.h"
  31 #include "task.h"
  32 #include "panel.h"
  33 #include "tooltip.h"
  34
  35
  36 int signal_pending;
  37 // --------------------------------------------------
  38 // mouse events
  39 int mouse_middle;
  40 int mouse_right;
  41 int mouse_scroll_up;
  42 int mouse_scroll_down;
  43 int mouse_tilt_left;
  44 int mouse_tilt_right;
  45
  46 int panel_mode;
  47 int wm_menu;
  48 int panel_dock=0;  // default not in the dock
  49 int panel_position;
  50 int panel_horizontal;
  51 int panel_refresh;
  52
  53 Task *task_active;
  54 Task *task_drag;
  55 int  max_tick_urgent;
  56
  57 // panel's initial config
  58 Panel panel_config;
  59 // panels (one panel per monitor)
  60 Panel *panel1 = 0;
  61 int  nb_panel = 0;
  62
  63 Imlib_Image default_icon = NULL;
  64
  65
  66
  67 void init_panel()
  68 {
  69         int i, old_nb_panel;
  70         Panel *new_panel, *p;
  71
  72         init_tooltip();
  73         init_systray();
  74         init_clock();
  75 #ifdef ENABLE_BATTERY
  76         init_battery();
  77 #endif
  78
  79         cleanup_taskbar();
  80         for (i=0 ; i < nb_panel ; i++) {
  81                 free_area(&panel1[i].area);
  82                 if (panel1[i].temp_pmap) {
  83                         XFreePixmap(server.dsp, panel1[i].temp_pmap);
  84                         panel1[i].temp_pmap = 0;
  85                 }
  86         }
  87
  88         // number of panels
  89         old_nb_panel = nb_panel;
  90         if (panel_config.monitor >= 0)
  91                 nb_panel = 1;
  92         else
  93                 nb_panel = server.nb_monitor;
  94
  95         // freed old panels
  96         for (i=nb_panel ; i < old_nb_panel ; i++) {
  97                 if (panel1[i].main_win) {
  98                         XDestroyWindow(server.dsp, panel1[i].main_win);
  99                         panel1[i].main_win = 0;
 100                 }
 101         }
 102
 103         // alloc & init new panel
 104         Window old_win;
 105         if (nb_panel != old_nb_panel)
 106                 new_panel = realloc(panel1, nb_panel * sizeof(Panel));
 107         else
 108                 new_panel = panel1;
 109         for (i=0 ; i < nb_panel ; i++) {
 110                 old_win = new_panel[i].main_win;
 111                 memcpy(&new_panel[i], &panel_config, sizeof(Panel));
 112                 new_panel[i].main_win = old_win;
 113         }
 114
 115         fprintf(stderr, "tint2 : nb monitor %d, nb monitor used %d, nb desktop %d\n", server.nb_monitor, nb_panel, server.nb_desktop);
 116         for (i=0 ; i < nb_panel ; i++) {
 117                 p = &new_panel[i];
 118
 119                 if (panel_config.monitor < 0)
 120                         p->monitor = i;
 121                 p->area.parent = p;
 122                 p->area.panel = p;
 123                 p->area.on_screen = 1;
 124                 p->area.resize = 1;
 125                 p->area._resize = resize_panel;
 126                 p->g_taskbar.parent = p;
 127                 p->g_taskbar.panel = p;
 128                 p->g_task.area.panel = p;
 129                 init_panel_size_and_position(p);
 130
 131                 // add childs
 132                 if (clock_enabled) {
 133                         init_clock_panel(p);
 134                         p->area.list = g_slist_append(p->area.list, &p->clock);
 135                 }
 136 #ifdef ENABLE_BATTERY
 137                 if (battery_enabled) {
 138                         init_battery_panel(p);
 139                         p->area.list = g_slist_append(p->area.list, &p->battery);
 140                 }
 141 #endif
 142                 // systray only on first panel
 143                 if (systray.area.on_screen && i == 0) {
 144                         init_systray_panel(p);
 145                         p->area.list = g_slist_append(p->area.list, &systray);
 146                         refresh_systray = 1;
 147                 }
 148
 149                 if (i >= old_nb_panel) {
 150                         // new panel : catch some events
 151                         long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
 152                         if (g_tooltip.enabled)
 153                                 event_mask |= PointerMotionMask|LeaveWindowMask;
 154                         XSetWindowAttributes att = { .event_mask=event_mask, .colormap=server.colormap, .background_pixel=0, .border_pixel=0 };
 155                         unsigned long mask = CWEventMask|CWColormap|CWBackPixel|CWBorderPixel;
 156                         p->main_win = XCreateWindow(server.dsp, server.root_win, p->posx, p->posy, p->area.width, p->area.height, 0, server.depth, InputOutput, server.visual, mask, &att);
 157                 }
 158                 else {
 159                         // old panel
 160                         XMoveResizeWindow(server.dsp, p->main_win, p->posx, p->posy, p->area.width, p->area.height);
 161                 }
 162
 163                 //printf("panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 164                 set_panel_properties(p);
 165                 set_panel_background(p);
 166                 if (i >= old_nb_panel) {
 167                         // map new panel
 168                         XMapWindow (server.dsp, p->main_win);
 169                 }
 170         }
 171
 172         panel1 = new_panel;
 173         panel_refresh = 1;
 174         init_taskbar();
 175         visible_object();
 176         task_refresh_tasklist();
 177         active_task();
 178 }
 179
 180
 181 void init_panel_size_and_position(Panel *panel)
 182 {
 183         // detect panel size
 184         if (panel_horizontal) {
 185                 if (panel->pourcentx)
 186                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->area.width / 100;
 187                 if (panel->pourcenty)
 188                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.height / 100;
 189                 if (panel->area.pix.border.rounded > panel->area.height/2)
 190                         panel->area.pix.border.rounded = panel->area.height/2;
 191         }
 192         else {
 193                 int old_panel_height = panel->area.height;
 194                 if (panel->pourcentx)
 195                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.width / 100;
 196                 else
 197                         panel->area.height = panel->area.width;
 198                 if (panel->pourcenty)
 199                         panel->area.width = (float)server.monitor[panel->monitor].width * old_panel_height / 100;
 200                 else
 201                         panel->area.width = old_panel_height;
 202                 if (panel->area.pix.border.rounded > panel->area.width/2)
 203                         panel->area.pix.border.rounded = panel->area.width/2;
 204         }
 205
 206         // panel position determined here
 207         if (panel_position & LEFT) {
 208                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 209         }
 210         else {
 211                 if (panel_position & RIGHT) {
 212                         panel->posx = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - panel->area.width - panel->marginx;
 213                 }
 214                 else {
 215                         if (panel_horizontal)
 216                                 panel->posx = server.monitor[panel->monitor].x + ((server.monitor[panel->monitor].width - panel->area.width) / 2);
 217                         else
 218                                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 219                 }
 220         }
 221         if (panel_position & TOP) {
 222                 panel->posy = server.monitor[panel->monitor].y + panel->marginy;
 223         }
 224         else {
 225                 if (panel_position & BOTTOM) {
 226                         panel->posy = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - panel->area.height - panel->marginy;
 227                 }
 228                 else {
 229                         panel->posy = server.monitor[panel->monitor].y + ((server.monitor[panel->monitor].height - panel->area.height) / 2);
 230                 }
 231         }
 232         // printf("panel : posx %d, posy %d, width %d, height %d\n", panel->posx, panel->posy, panel->area.width, panel->area.height);
 233 }
 234
 235
 236 void cleanup_panel()
 237 {
 238         if (!panel1) return;
 239
 240         task_active = 0;
 241         task_drag = 0;
 242
 243         cleanup_taskbar();
 244
 245         int i;
 246         Panel *p;
 247         for (i=0 ; i < nb_panel ; i++) {
 248                 p = &panel1[i];
 249
 250                 free_area(&p->area);
 251
 252                 if (p->temp_pmap) {
 253                         XFreePixmap(server.dsp, p->temp_pmap);
 254                         p->temp_pmap = 0;
 255                 }
 256                 if (p->main_win) {
 257                         XDestroyWindow(server.dsp, p->main_win);
 258                         p->main_win = 0;
 259                 }
 260         }
 261
 262         if (panel1) {
 263                 free(panel1);
 264                 panel1 = 0;
 265                 nb_panel = 0;
 266         }
 267
 268         if (panel_config.g_task.font_desc) {
 269                 pango_font_description_free(panel_config.g_task.font_desc);
 270                 panel_config.g_task.font_desc = 0;
 271         }
 272 }
 273
 274
 275 void resize_panel(void *obj)
 276 {
 277         Panel *panel = (Panel*)obj;
 278
 279         if (panel_horizontal) {
 280                 int taskbar_width, modulo_width = 0;
 281
 282                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 283                 if (panel->clock.area.on_screen && panel->clock.area.width)
 284                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 285         #ifdef ENABLE_BATTERY
 286                 if (panel->battery.area.on_screen && panel->battery.area.width)
 287                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 288         #endif
 289                 // TODO : systray only on first panel. search better implementation !
 290                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 291                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 292
 293                 if (panel_mode == MULTI_DESKTOP) {
 294                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 295                         taskbar_width = width / panel->nb_desktop;
 296                         modulo_width = width % panel->nb_desktop;
 297                 }
 298
 299                 // change posx and width for all taskbar
 300                 int i, posx;
 301                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 302                 for (i=0 ; i < panel->nb_desktop ; i++) {
 303                         panel->taskbar[i].area.posx = posx;
 304                         panel->taskbar[i].area.width = taskbar_width;
 305                         panel->taskbar[i].area.resize = 1;
 306                         if (modulo_width) {
 307                                 panel->taskbar[i].area.width++;
 308                                 modulo_width--;
 309                         }
 310                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 311                         if (panel_mode == MULTI_DESKTOP)
 312                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 313                 }
 314         }
 315         else {
 316                 int taskbar_height, modulo_height = 0;
 317                 int i, posy;
 318
 319                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 320                 if (panel->clock.area.on_screen && panel->clock.area.height)
 321                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 322         #ifdef ENABLE_BATTERY
 323                 if (panel->battery.area.on_screen && panel->battery.area.height)
 324                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 325         #endif
 326                 // TODO : systray only on first panel. search better implementation !
 327                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 328                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 329
 330                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 331                 if (panel_mode == MULTI_DESKTOP) {
 332                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 333                         taskbar_height = height / panel->nb_desktop;
 334                         modulo_height = height % panel->nb_desktop;
 335                 }
 336
 337                 // change posy and height for all taskbar
 338                 for (i=0 ; i < panel->nb_desktop ; i++) {
 339                         panel->taskbar[i].area.posy = posy;
 340                         panel->taskbar[i].area.height = taskbar_height;
 341                         panel->taskbar[i].area.resize = 1;
 342                         if (modulo_height) {
 343                                 panel->taskbar[i].area.height++;
 344                                 modulo_height--;
 345                         }
 346                         if (panel_mode == MULTI_DESKTOP)
 347                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 348                 }
 349         }
 350 }
 351
 352
 353 void visible_object()
 354 {
 355         Panel *panel;
 356         int i, j;
 357
 358         for (i=0 ; i < nb_panel ; i++) {
 359                 panel = &panel1[i];
 360
 361                 Taskbar *taskbar;
 362                 for (j=0 ; j < panel->nb_desktop ; j++) {
 363                         taskbar = &panel->taskbar[j];
 364                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 365                                 // SINGLE_DESKTOP and not current desktop
 366                                 taskbar->area.on_screen = 0;
 367                         }
 368                         else {
 369                                 taskbar->area.on_screen = 1;
 370                         }
 371                 }
 372         }
 373         panel_refresh = 1;
 374 }
 375
 376
 377 void set_panel_properties(Panel *p)
 378 {
 379         XStoreName (server.dsp, p->main_win, "tint2");
 380
 381         gsize len;
 382         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 383         if (name != NULL) {
 384                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 385                 g_free(name);
 386         }
 387
 388         // Dock
 389         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 390         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 391
 392         // Sticky and below other window
 393         val = 0xFFFFFFFF;
 394         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 395         Atom state[4];
 396         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 397         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 398         state[2] = server.atom._NET_WM_STATE_STICKY;
 399         state[3] = server.atom._NET_WM_STATE_BELOW;
 400         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 401
 402         // Unfocusable
 403         XWMHints wmhints;
 404         if (panel_dock) {
 405                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 406                 wmhints.icon_window = wmhints.window_group = p->main_win;
 407                 wmhints.flags = StateHint | IconWindowHint;
 408                 wmhints.initial_state = WithdrawnState;
 409         }
 410         else {
 411                 wmhints.flags = InputHint;
 412                 wmhints.input = False;
 413         }
 414         XSetWMHints(server.dsp, p->main_win, &wmhints);
 415
 416         // Undecorated
 417         long prop[5] = { 2, 0, 0, 0, 0 };
 418         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 419
 420         // XdndAware - Register for Xdnd events
 421         int version=5;
 422         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 423
 424         // Reserved space
 425         unsigned int d1, screen_width, screen_height;
 426         Window d2;
 427         int d3;
 428         XGetGeometry(server.dsp, server.root_win, &d2, &d3, &d3, &screen_width, &screen_height, &d1, &d1);
 429         Monitor monitor = server.monitor[p->monitor];
 430         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 431         if (panel_horizontal) {
 432                 if (panel_position & TOP) {
 433                         struts[2] = p->area.height + p->marginy + monitor.y;
 434                         struts[8] = p->posx;
 435                         // p->area.width - 1 allowed full screen on monitor 2
 436                         struts[9] = p->posx + p->area.width - 1;
 437                 }
 438                 else {
 439                         struts[3] = p->area.height + p->marginy + screen_height - monitor.y - monitor.height;
 440                         struts[10] = p->posx;
 441                         // p->area.width - 1 allowed full screen on monitor 2
 442                         struts[11] = p->posx + p->area.width - 1;
 443                 }
 444         }
 445         else {
 446                 if (panel_position & LEFT) {
 447                         struts[0] = p->area.width + p->marginx + monitor.x;
 448                         struts[4] = p->posy;
 449                         // p->area.width - 1 allowed full screen on monitor 2
 450                         struts[5] = p->posy + p->area.height - 1;
 451                 }
 452                 else {
 453                         struts[1] = p->area.width + p->marginx + screen_width - monitor.x - monitor.width;
 454                         struts[6] = p->posy;
 455                         // p->area.width - 1 allowed full screen on monitor 2
 456                         struts[7] = p->posy + p->area.height - 1;
 457                 }
 458         }
 459         // Old specification : fluxbox need _NET_WM_STRUT.
 460         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 461         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 462
 463         // Fixed position and non-resizable window
 464         // Allow panel move and resize when tint2 reload config file
 465         XSizeHints size_hints;
 466         size_hints.flags = PPosition|PMinSize|PMaxSize;
 467         size_hints.min_width = size_hints.max_width = p->area.width;
 468         size_hints.min_height = size_hints.max_height = p->area.height;
 469         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 470
 471         // Set WM_CLASS
 472         XClassHint* classhint = XAllocClassHint();
 473         classhint->res_name = "tint2";
 474         classhint->res_class = "Tint2";
 475         XSetClassHint(server.dsp, p->main_win, classhint);
 476         XFree(classhint);
 477 }
 478
 479
 480 void set_panel_background(Panel *p)
 481 {
 482         get_root_pixmap();
 483
 484         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 485         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 486
 487         // copy background (server.root_pmap) in panel.area.pix.pmap
 488         Window dummy;
 489         int  x, y;
 490         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 491         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 492         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 493
 494         // draw background panel
 495         cairo_surface_t *cs;
 496         cairo_t *c;
 497         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 498         c = cairo_create (cs);
 499
 500         draw_background(&p->area, c, 0);
 501
 502         cairo_destroy (c);
 503         cairo_surface_destroy (cs);
 504
 505         // redraw panel's object
 506         GSList *l0;
 507         Area *a;
 508         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 509                 a = l0->data;
 510                 set_redraw(a);
 511         }
 512 }
 513
 514
 515 Panel *get_panel(Window win)
 516 {
 517         int i;
 518         for (i=0 ; i < nb_panel ; i++) {
 519                 if (panel1[i].main_win == win) {
 520                         return &panel1[i];
 521                 }
 522         }
 523         return 0;
 524 }
 525
 526
 527 Taskbar *click_taskbar (Panel *panel, int x, int y)
 528 {
 529         Taskbar *tskbar;
 530         int i;
 531
 532         if (panel_horizontal) {
 533                 for (i=0; i < panel->nb_desktop ; i++) {
 534                         tskbar = &panel->taskbar[i];
 535                         if (tskbar->area.on_screen && x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 536                                 return tskbar;
 537                 }
 538         }
 539         else {
 540                 for (i=0; i < panel->nb_desktop ; i++) {
 541                         tskbar = &panel->taskbar[i];
 542                         if (tskbar->area.on_screen && y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 543                                 return tskbar;
 544                 }
 545         }
 546         return NULL;
 547 }
 548
 549
 550 Task *click_task (Panel *panel, int x, int y)
 551 {
 552         GSList *l0;
 553         Taskbar *tskbar;
 554
 555         if ( (tskbar = click_taskbar(panel, x, y)) ) {
 556                 if (panel_horizontal) {
 557                         Task *tsk;
 558                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 559                                 tsk = l0->data;
 560                                 if (tsk->area.on_screen && x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 561                                         return tsk;
 562                                 }
 563                         }
 564                 }
 565                 else {
 566                         Task *tsk;
 567                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 568                                 tsk = l0->data;
 569                                 if (tsk->area.on_screen && y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 570                                         return tsk;
 571                                 }
 572                         }
 573                 }
 574         }
 575         return NULL;
 576 }
 577
 578
 579 int click_padding(Panel *panel, int x, int y)
 580 {
 581         if (panel_horizontal) {
 582                 if (x < panel->area.paddingxlr || x > panel->area.width-panel->area.paddingxlr)
 583                 return 1;
 584         }
 585         else {
 586                 if (y < panel->area.paddingxlr || y > panel->area.height-panel->area.paddingxlr)
 587                 return 1;
 588         }
 589         return 0;
 590 }
 591
 592
 593 int click_clock(Panel *panel, int x, int y)
 594 {
 595         Clock clk = panel->clock;
 596         if (panel_horizontal) {
 597                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 598                         return TRUE;
 599         } else {
 600                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 601                         return TRUE;
 602         }
 603         return FALSE;
 604 }
 605
 606
 607 Area* click_area(Panel *panel, int x, int y)
 608 {
 609         Area* result = &panel->area;
 610         Area* new_result = result;
 611         do {
 612                 result = new_result;
 613                 GSList* it = result->list;
 614                 while (it) {
 615                         Area* a = it->data;
 616                         if (panel_horizontal) {
 617                                 if (a->on_screen && x >= a->posx && x <= (a->posx + a->width)) {
 618                                         new_result = a;
 619                                         break;
 620                                 }
 621                         } else {
 622                                 if (a->on_screen && y >= a->posy && y <= (a->posy + a->height)) {
 623                                         new_result = a;
 624                                         break;
 625                                 }
 626                         }
 627                         it = it->next;
 628                 }
 629         } while (new_result != result);
 630         return result;
 631 }