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 = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, event_mask, NoEventMask, False, 0, 0 };
 155                         p->main_win = XCreateWindow(server.dsp, server.root_win, p->posx, p->posy, p->area.width, p->area.height, 0, server.depth, InputOutput, CopyFromParent, CWEventMask, &att);
 156                 }
 157                 else {
 158                         // old panel
 159                         XMoveResizeWindow(server.dsp, p->main_win, p->posx, p->posy, p->area.width, p->area.height);
 160                 }
 161
 162                 //printf("panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 163                 set_panel_properties(p);
 164                 set_panel_background(p);
 165                 if (i >= old_nb_panel) {
 166                         // map new panel
 167                         XMapWindow (server.dsp, p->main_win);
 168                 }
 169         }
 170
 171         panel1 = new_panel;
 172         panel_refresh = 1;
 173         init_taskbar();
 174         visible_object();
 175         task_refresh_tasklist();
 176         active_task();
 177 }
 178
 179
 180 void init_panel_size_and_position(Panel *panel)
 181 {
 182         // detect panel size
 183         if (panel_horizontal) {
 184                 if (panel->pourcentx)
 185                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->area.width / 100;
 186                 if (panel->pourcenty)
 187                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.height / 100;
 188                 if (panel->area.pix.border.rounded > panel->area.height/2)
 189                         panel->area.pix.border.rounded = panel->area.height/2;
 190         }
 191         else {
 192                 int old_panel_height = panel->area.height;
 193                 if (panel->pourcentx)
 194                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.width / 100;
 195                 else
 196                         panel->area.height = panel->area.width;
 197                 if (panel->pourcenty)
 198                         panel->area.width = (float)server.monitor[panel->monitor].width * old_panel_height / 100;
 199                 else
 200                         panel->area.width = old_panel_height;
 201                 if (panel->area.pix.border.rounded > panel->area.width/2)
 202                         panel->area.pix.border.rounded = panel->area.width/2;
 203         }
 204
 205         // panel position determined here
 206         if (panel_position & LEFT) {
 207                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 208         }
 209         else {
 210                 if (panel_position & RIGHT) {
 211                         panel->posx = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - panel->area.width - panel->marginx;
 212                 }
 213                 else {
 214                         if (panel_horizontal)
 215                                 panel->posx = server.monitor[panel->monitor].x + ((server.monitor[panel->monitor].width - panel->area.width) / 2);
 216                         else
 217                                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 218                 }
 219         }
 220         if (panel_position & TOP) {
 221                 panel->posy = server.monitor[panel->monitor].y + panel->marginy;
 222         }
 223         else {
 224                 if (panel_position & BOTTOM) {
 225                         panel->posy = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - panel->area.height - panel->marginy;
 226                 }
 227                 else {
 228                         panel->posy = server.monitor[panel->monitor].y + ((server.monitor[panel->monitor].height - panel->area.height) / 2);
 229                 }
 230         }
 231         // printf("panel : posx %d, posy %d, width %d, height %d\n", panel->posx, panel->posy, panel->area.width, panel->area.height);
 232 }
 233
 234
 235 void cleanup_panel()
 236 {
 237         if (!panel1) return;
 238
 239         task_active = 0;
 240         task_drag = 0;
 241
 242         cleanup_taskbar();
 243
 244         int i;
 245         Panel *p;
 246         for (i=0 ; i < nb_panel ; i++) {
 247                 p = &panel1[i];
 248
 249                 free_area(&p->area);
 250
 251                 if (p->temp_pmap) {
 252                         XFreePixmap(server.dsp, p->temp_pmap);
 253                         p->temp_pmap = 0;
 254                 }
 255                 if (p->main_win) {
 256                         XDestroyWindow(server.dsp, p->main_win);
 257                         p->main_win = 0;
 258                 }
 259         }
 260
 261         if (panel1) {
 262                 free(panel1);
 263                 panel1 = 0;
 264                 nb_panel = 0;
 265         }
 266
 267         if (panel_config.g_task.font_desc) {
 268                 pango_font_description_free(panel_config.g_task.font_desc);
 269                 panel_config.g_task.font_desc = 0;
 270         }
 271 }
 272
 273
 274 void resize_panel(void *obj)
 275 {
 276         Panel *panel = (Panel*)obj;
 277
 278         if (panel_horizontal) {
 279                 int taskbar_width, modulo_width = 0;
 280
 281                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 282                 if (panel->clock.area.on_screen && panel->clock.area.width)
 283                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 284         #ifdef ENABLE_BATTERY
 285                 if (panel->battery.area.on_screen && panel->battery.area.width)
 286                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 287         #endif
 288                 // TODO : systray only on first panel. search better implementation !
 289                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 290                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 291
 292                 if (panel_mode == MULTI_DESKTOP) {
 293                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 294                         taskbar_width = width / panel->nb_desktop;
 295                         modulo_width = width % panel->nb_desktop;
 296                 }
 297
 298                 // change posx and width for all taskbar
 299                 int i, posx;
 300                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 301                 for (i=0 ; i < panel->nb_desktop ; i++) {
 302                         panel->taskbar[i].area.posx = posx;
 303                         panel->taskbar[i].area.width = taskbar_width;
 304                         panel->taskbar[i].area.resize = 1;
 305                         if (modulo_width) {
 306                                 panel->taskbar[i].area.width++;
 307                                 modulo_width--;
 308                         }
 309                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 310                         if (panel_mode == MULTI_DESKTOP)
 311                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 312                 }
 313         }
 314         else {
 315                 int taskbar_height, modulo_height = 0;
 316                 int i, posy;
 317
 318                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 319                 if (panel->clock.area.on_screen && panel->clock.area.height)
 320                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 321         #ifdef ENABLE_BATTERY
 322                 if (panel->battery.area.on_screen && panel->battery.area.height)
 323                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 324         #endif
 325                 // TODO : systray only on first panel. search better implementation !
 326                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 327                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 328
 329                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 330                 if (panel_mode == MULTI_DESKTOP) {
 331                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 332                         taskbar_height = height / panel->nb_desktop;
 333                         modulo_height = height % panel->nb_desktop;
 334                 }
 335
 336                 // change posy and height for all taskbar
 337                 for (i=0 ; i < panel->nb_desktop ; i++) {
 338                         panel->taskbar[i].area.posy = posy;
 339                         panel->taskbar[i].area.height = taskbar_height;
 340                         panel->taskbar[i].area.resize = 1;
 341                         if (modulo_height) {
 342                                 panel->taskbar[i].area.height++;
 343                                 modulo_height--;
 344                         }
 345                         if (panel_mode == MULTI_DESKTOP)
 346                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 347                 }
 348         }
 349 }
 350
 351
 352 void visible_object()
 353 {
 354         Panel *panel;
 355         int i, j;
 356
 357         for (i=0 ; i < nb_panel ; i++) {
 358                 panel = &panel1[i];
 359
 360                 Taskbar *taskbar;
 361                 for (j=0 ; j < panel->nb_desktop ; j++) {
 362                         taskbar = &panel->taskbar[j];
 363                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 364                                 // SINGLE_DESKTOP and not current desktop
 365                                 taskbar->area.on_screen = 0;
 366                         }
 367                         else {
 368                                 taskbar->area.on_screen = 1;
 369                         }
 370                 }
 371         }
 372         panel_refresh = 1;
 373 }
 374
 375
 376 void set_panel_properties(Panel *p)
 377 {
 378         XStoreName (server.dsp, p->main_win, "tint2");
 379
 380         gsize len;
 381         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 382         if (name != NULL) {
 383                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 384                 g_free(name);
 385         }
 386
 387         // Dock
 388         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 389         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 390
 391         // Sticky and below other window
 392         val = 0xFFFFFFFF;
 393         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 394         Atom state[4];
 395         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 396         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 397         state[2] = server.atom._NET_WM_STATE_STICKY;
 398         state[3] = server.atom._NET_WM_STATE_BELOW;
 399         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 400
 401         // Unfocusable
 402         XWMHints wmhints;
 403         if (panel_dock) {
 404                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 405                 wmhints.icon_window = wmhints.window_group = p->main_win;
 406                 wmhints.flags = StateHint | IconWindowHint;
 407                 wmhints.initial_state = WithdrawnState;
 408         }
 409         else {
 410                 wmhints.flags = InputHint;
 411                 wmhints.input = False;
 412         }
 413         XSetWMHints(server.dsp, p->main_win, &wmhints);
 414
 415         // Undecorated
 416         long prop[5] = { 2, 0, 0, 0, 0 };
 417         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 418
 419         // XdndAware - Register for Xdnd events
 420         int version=5;
 421         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 422
 423         // Reserved space
 424         unsigned int d1, screen_width, screen_height;
 425         Window d2;
 426         int d3;
 427         XGetGeometry(server.dsp, server.root_win, &d2, &d3, &d3, &screen_width, &screen_height, &d1, &d1);
 428         Monitor monitor = server.monitor[p->monitor];
 429         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 430         if (panel_horizontal) {
 431                 if (panel_position & TOP) {
 432                         struts[2] = p->area.height + p->marginy + monitor.y;
 433                         struts[8] = p->posx;
 434                         // p->area.width - 1 allowed full screen on monitor 2
 435                         struts[9] = p->posx + p->area.width - 1;
 436                 }
 437                 else {
 438                         struts[3] = p->area.height + p->marginy + screen_height - monitor.y - monitor.height;
 439                         struts[10] = p->posx;
 440                         // p->area.width - 1 allowed full screen on monitor 2
 441                         struts[11] = p->posx + p->area.width - 1;
 442                 }
 443         }
 444         else {
 445                 if (panel_position & LEFT) {
 446                         struts[0] = p->area.width + p->marginx + monitor.x;
 447                         struts[4] = p->posy;
 448                         // p->area.width - 1 allowed full screen on monitor 2
 449                         struts[5] = p->posy + p->area.height - 1;
 450                 }
 451                 else {
 452                         struts[1] = p->area.width + p->marginx + screen_width - monitor.x - monitor.width;
 453                         struts[6] = p->posy;
 454                         // p->area.width - 1 allowed full screen on monitor 2
 455                         struts[7] = p->posy + p->area.height - 1;
 456                 }
 457         }
 458         // Old specification : fluxbox need _NET_WM_STRUT.
 459         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 460         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 461
 462         // Fixed position and non-resizable window
 463         // Allow panel move and resize when tint2 reload config file
 464         XSizeHints size_hints;
 465         size_hints.flags = PPosition|PMinSize|PMaxSize;
 466         size_hints.min_width = size_hints.max_width = p->area.width;
 467         size_hints.min_height = size_hints.max_height = p->area.height;
 468         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 469
 470         // Set WM_CLASS
 471         XClassHint* classhint = XAllocClassHint();
 472         classhint->res_name = "tint2";
 473         classhint->res_class = "Tint2";
 474         XSetClassHint(server.dsp, p->main_win, classhint);
 475         XFree(classhint);
 476 }
 477
 478
 479 void set_panel_background(Panel *p)
 480 {
 481         get_root_pixmap();
 482
 483         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 484         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 485
 486         // copy background (server.root_pmap) in panel.area.pix.pmap
 487         Window dummy;
 488         int  x, y;
 489         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 490         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 491         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 492
 493         // draw background panel
 494         cairo_surface_t *cs;
 495         cairo_t *c;
 496         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 497         c = cairo_create (cs);
 498
 499         draw_background(&p->area, c, 0);
 500
 501         cairo_destroy (c);
 502         cairo_surface_destroy (cs);
 503
 504         // redraw panel's object
 505         GSList *l0;
 506         Area *a;
 507         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 508                 a = l0->data;
 509                 set_redraw(a);
 510         }
 511 }
 512
 513
 514 Panel *get_panel(Window win)
 515 {
 516         int i;
 517         for (i=0 ; i < nb_panel ; i++) {
 518                 if (panel1[i].main_win == win) {
 519                         return &panel1[i];
 520                 }
 521         }
 522         return 0;
 523 }
 524
 525
 526 Taskbar *click_taskbar (Panel *panel, int x, int y)
 527 {
 528         Taskbar *tskbar;
 529         int i;
 530
 531         if (panel_horizontal) {
 532                 for (i=0; i < panel->nb_desktop ; i++) {
 533                         tskbar = &panel->taskbar[i];
 534                         if (tskbar->area.on_screen && x >= tskbar->area.posx && x <= (tskbar->area.posx + tskbar->area.width))
 535                                 return tskbar;
 536                 }
 537         }
 538         else {
 539                 for (i=0; i < panel->nb_desktop ; i++) {
 540                         tskbar = &panel->taskbar[i];
 541                         if (tskbar->area.on_screen && y >= tskbar->area.posy && y <= (tskbar->area.posy + tskbar->area.height))
 542                                 return tskbar;
 543                 }
 544         }
 545         return NULL;
 546 }
 547
 548
 549 Task *click_task (Panel *panel, int x, int y)
 550 {
 551         GSList *l0;
 552         Taskbar *tskbar;
 553
 554         if ( (tskbar = click_taskbar(panel, x, y)) ) {
 555                 if (panel_horizontal) {
 556                         Task *tsk;
 557                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 558                                 tsk = l0->data;
 559                                 if (tsk->area.on_screen && x >= tsk->area.posx && x <= (tsk->area.posx + tsk->area.width)) {
 560                                         return tsk;
 561                                 }
 562                         }
 563                 }
 564                 else {
 565                         Task *tsk;
 566                         for (l0 = tskbar->area.list; l0 ; l0 = l0->next) {
 567                                 tsk = l0->data;
 568                                 if (tsk->area.on_screen && y >= tsk->area.posy && y <= (tsk->area.posy + tsk->area.height)) {
 569                                         return tsk;
 570                                 }
 571                         }
 572                 }
 573         }
 574         return NULL;
 575 }
 576
 577
 578 int click_padding(Panel *panel, int x, int y)
 579 {
 580         if (panel_horizontal) {
 581                 if (x < panel->area.paddingxlr || x > panel->area.width-panel->area.paddingxlr)
 582                 return 1;
 583         }
 584         else {
 585                 if (y < panel->area.paddingxlr || y > panel->area.height-panel->area.paddingxlr)
 586                 return 1;
 587         }
 588         return 0;
 589 }
 590
 591
 592 int click_clock(Panel *panel, int x, int y)
 593 {
 594         Clock clk = panel->clock;
 595         if (panel_horizontal) {
 596                 if (clk.area.on_screen && x >= clk.area.posx && x <= (clk.area.posx + clk.area.width))
 597                         return TRUE;
 598         } else {
 599                 if (clk.area.on_screen && y >= clk.area.posy && y <= (clk.area.posy + clk.area.height))
 600                         return TRUE;
 601         }
 602         return FALSE;
 603 }
 604
 605
 606 Area* click_area(Panel *panel, int x, int y)
 607 {
 608         Area* result = &panel->area;
 609         Area* new_result = result;
 610         do {
 611                 result = new_result;
 612                 GSList* it = result->list;
 613                 while (it) {
 614                         Area* a = it->data;
 615                         if (panel_horizontal) {
 616                                 if (a->on_screen && x >= a->posx && x <= (a->posx + a->width)) {
 617                                         new_result = a;
 618                                         break;
 619                                 }
 620                         } else {
 621                                 if (a->on_screen && y >= a->posy && y <= (a->posy + a->height)) {
 622                                         new_result = a;
 623                                         break;
 624                                 }
 625                         }
 626                         it = it->next;
 627                 }
 628         } while (new_result != result);
 629         return result;
 630 }