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 <X11/Xlib.h>
  22 #include <X11/Xutil.h>
  23 #include <X11/Xatom.h>
  24 #include <cairo.h>
  25 #include <cairo-xlib.h>
  26 #include <pango/pangocairo.h>
  27
  28 #include "server.h"
  29 #include "window.h"
  30 #include "task.h"
  31 #include "panel.h"
  32 #include "tooltip.h"
  33
  34
  35 int signal_pending;
  36 // --------------------------------------------------
  37 // mouse events
  38 int mouse_middle;
  39 int mouse_right;
  40 int mouse_scroll_up;
  41 int mouse_scroll_down;
  42 int mouse_tilt_left;
  43 int mouse_tilt_right;
  44
  45 int panel_mode;
  46 int wm_menu;
  47 int panel_dock=0;  // default not in the dock
  48 int panel_position;
  49 int panel_horizontal;
  50 int panel_refresh;
  51
  52 Task *task_active;
  53 Task *task_drag;
  54 Task *task_urgent;
  55 int  tick_urgent;
  56 int  max_tick_urgent;
  57
  58 Panel *panel1 = 0;
  59 int  nb_panel;
  60
  61 Imlib_Image default_icon;
  62
  63
  64 void init_panel()
  65 {
  66         int i;
  67         Panel *p;
  68
  69         // load default icon
  70         char *path;
  71         const gchar * const *data_dirs;
  72         data_dirs = g_get_system_data_dirs ();
  73         for (i = 0; data_dirs[i] != NULL; i++)  {
  74                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
  75                 if (g_file_test (path, G_FILE_TEST_EXISTS))
  76                         default_icon = imlib_load_image(path);
  77                 g_free(path);
  78         }
  79
  80         for (i=0 ; i < nb_panel ; i++) {
  81                 p = &panel1[i];
  82
  83                 p->area.parent = p;
  84                 p->area.panel = p;
  85                 p->area.on_screen = 1;
  86                 p->area.resize = 1;
  87                 p->area._resize = resize_panel;
  88                 p->g_taskbar.parent = p;
  89                 p->g_taskbar.panel = p;
  90                 p->g_task.area.panel = p;
  91
  92                 // add childs
  93                 if (p->clock.area.on_screen)
  94                         p->area.list = g_slist_append(p->area.list, &p->clock);
  95 #ifdef ENABLE_BATTERY
  96                 if (p->battery.area.on_screen)
  97                         p->area.list = g_slist_append(p->area.list, &p->battery);
  98 #endif
  99                 // systray only on first panel
 100                 if (systray.area.on_screen && i == 0)
 101                         p->area.list = g_slist_append(p->area.list, &systray);
 102
 103                 // full width mode
 104                 if (!p->initial_width) {
 105                         p->initial_width = 100;
 106                         p->pourcentx = 1;
 107                 }
 108
 109                 // detect panel size
 110                 if (panel_horizontal) {
 111                         if (p->pourcentx)
 112                                 p->area.width = (float)server.monitor[p->monitor].width * p->initial_width / 100;
 113                         else
 114                                 p->area.width = p->initial_width;
 115                         if (p->pourcenty)
 116                                 p->area.height = (float)server.monitor[p->monitor].height * p->initial_height / 100;
 117                         else
 118                                 p->area.height = p->initial_height;
 119                         if (p->area.pix.border.rounded > p->area.height/2)
 120                                 p->area.pix.border.rounded = p->area.height/2;
 121                 }
 122                 else {
 123                         if (p->pourcentx)
 124                                 p->area.height = (float)server.monitor[p->monitor].height * p->initial_width / 100;
 125                         else
 126                                 p->area.height = p->initial_width;
 127                         if (p->pourcenty)
 128                                 p->area.width = (float)server.monitor[p->monitor].width * p->initial_height / 100;
 129                         else
 130                                 p->area.width = p->initial_height;
 131                         if (p->area.pix.border.rounded > p->area.width/2)
 132                                 p->area.pix.border.rounded = p->area.width/2;
 133                 }
 134
 135                 /* panel position determined here */
 136                 if (panel_position & LEFT) {
 137                         p->posx = server.monitor[p->monitor].x + p->marginx;
 138                 }
 139                 else {
 140                         if (panel_position & RIGHT) {
 141                                 p->posx = server.monitor[p->monitor].x + server.monitor[p->monitor].width - p->area.width - p->marginx;
 142                         }
 143                         else {
 144                                 if (panel_horizontal)
 145                                         p->posx = server.monitor[p->monitor].x + ((server.monitor[p->monitor].width - p->area.width) / 2);
 146                                 else
 147                                         p->posx = server.monitor[p->monitor].x + p->marginx;
 148                         }
 149                 }
 150                 if (panel_position & TOP) {
 151                         p->posy = server.monitor[p->monitor].y + p->marginy;
 152                 }
 153                 else {
 154                         if (panel_position & BOTTOM) {
 155                                 p->posy = server.monitor[p->monitor].y + server.monitor[p->monitor].height - p->area.height - p->marginy;
 156                         }
 157                         else {
 158                                 p->posy = server.monitor[p->monitor].y + ((server.monitor[p->monitor].height - p->area.height) / 2);
 159                         }
 160                 }
 161                 // printf("panel : posx %d, posy %d, width %d, height %d\n", p->posx, p->posy, p->area.width, p->area.height);
 162
 163                 // Catch some events
 164                 long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
 165                 if (g_tooltip.enabled)
 166                         event_mask |= PointerMotionMask|LeaveWindowMask;
 167                 XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, event_mask, NoEventMask, False, 0, 0 };
 168                 if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 169                 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);
 170
 171                 set_panel_properties(p);
 172                 set_panel_background(p);
 173
 174                 XMapWindow (server.dsp, p->main_win);
 175         }
 176         panel_refresh = 1;
 177 }
 178
 179
 180 void cleanup_panel()
 181 {
 182         if (!panel1) return;
 183
 184         task_active = 0;
 185         task_drag = 0;
 186         task_urgent = 0;
 187         cleanup_systray();
 188         cleanup_taskbar();
 189
 190         if (default_icon) {
 191                 imlib_context_set_image(default_icon);
 192                 imlib_free_image();
 193         }
 194
 195         // font allocated once
 196         if (panel1[0].g_task.font_desc) {
 197                 pango_font_description_free(panel1[0].g_task.font_desc);
 198                 panel1[0].g_task.font_desc = 0;
 199         }
 200
 201         int i;
 202         Panel *p;
 203         for (i=0 ; i < nb_panel ; i++) {
 204                 p = &panel1[i];
 205
 206                 free_area(&p->area);
 207                 free_area(&p->g_task.area);
 208                 free_area(&p->g_taskbar);
 209
 210                 if (p->temp_pmap) {
 211                         XFreePixmap(server.dsp, p->temp_pmap);
 212                         p->temp_pmap = 0;
 213                 }
 214                 if (p->main_win) {
 215                         XDestroyWindow(server.dsp, p->main_win);
 216                         p->main_win = 0;
 217                 }
 218         }
 219
 220         if (panel1) free(panel1);
 221         panel1 = 0;
 222
 223         if (g_tooltip.window) {
 224                 XDestroyWindow(server.dsp, g_tooltip.window);
 225                 g_tooltip.window = 0;
 226         }
 227         if (g_tooltip.font_desc) {
 228                 pango_font_description_free(g_tooltip.font_desc);
 229                 g_tooltip.font_desc = 0;
 230         }
 231 }
 232
 233
 234 void resize_panel(void *obj)
 235 {
 236         Panel *panel = (Panel*)obj;
 237
 238         if (panel_horizontal) {
 239                 int taskbar_width, modulo_width = 0;
 240
 241                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 242                 if (panel->clock.area.on_screen && panel->clock.area.width)
 243                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 244         #ifdef ENABLE_BATTERY
 245                 if (panel->battery.area.on_screen && panel->battery.area.width)
 246                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 247         #endif
 248                 // TODO : systray only on first panel. search better implementation !
 249                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 250                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 251
 252                 if (panel_mode == MULTI_DESKTOP) {
 253                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 254                         taskbar_width = width / panel->nb_desktop;
 255                         modulo_width = width % panel->nb_desktop;
 256                 }
 257
 258                 // change posx and width for all taskbar
 259                 int i, posx;
 260                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 261                 for (i=0 ; i < panel->nb_desktop ; i++) {
 262                         panel->taskbar[i].area.posx = posx;
 263                         panel->taskbar[i].area.width = taskbar_width;
 264                         panel->taskbar[i].area.resize = 1;
 265                         if (modulo_width) {
 266                                 panel->taskbar[i].area.width++;
 267                                 modulo_width--;
 268                         }
 269                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 270                         if (panel_mode == MULTI_DESKTOP)
 271                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 272                 }
 273         }
 274         else {
 275                 int taskbar_height, modulo_height = 0;
 276                 int i, posy;
 277
 278                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 279                 if (panel->clock.area.on_screen && panel->clock.area.height)
 280                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 281         #ifdef ENABLE_BATTERY
 282                 if (panel->battery.area.on_screen && panel->battery.area.height)
 283                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 284         #endif
 285                 // TODO : systray only on first panel. search better implementation !
 286                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 287                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 288
 289                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 290                 if (panel_mode == MULTI_DESKTOP) {
 291                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 292                         taskbar_height = height / panel->nb_desktop;
 293                         modulo_height = height % panel->nb_desktop;
 294                 }
 295
 296                 // change posy and height for all taskbar
 297                 for (i=0 ; i < panel->nb_desktop ; i++) {
 298                         panel->taskbar[i].area.posy = posy;
 299                         panel->taskbar[i].area.height = taskbar_height;
 300                         panel->taskbar[i].area.resize = 1;
 301                         if (modulo_height) {
 302                                 panel->taskbar[i].area.height++;
 303                                 modulo_height--;
 304                         }
 305                         if (panel_mode == MULTI_DESKTOP)
 306                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 307                 }
 308         }
 309 }
 310
 311
 312 void visible_object()
 313 {
 314         Panel *panel;
 315         int i, j;
 316
 317         for (i=0 ; i < nb_panel ; i++) {
 318                 panel = &panel1[i];
 319
 320                 Taskbar *taskbar;
 321                 for (j=0 ; j < panel->nb_desktop ; j++) {
 322                         taskbar = &panel->taskbar[j];
 323                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 324                                 // SINGLE_DESKTOP and not current desktop
 325                                 taskbar->area.on_screen = 0;
 326                         }
 327                         else {
 328                                 taskbar->area.on_screen = 1;
 329                         }
 330                 }
 331         }
 332         panel_refresh = 1;
 333 }
 334
 335
 336 void set_panel_properties(Panel *p)
 337 {
 338         XStoreName (server.dsp, p->main_win, "tint2");
 339
 340         // TODO: check if the name is really needed for a panel/taskbar ?
 341         gsize len;
 342         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 343         if (name != NULL) {
 344                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 345                 g_free(name);
 346         }
 347
 348         // Dock
 349         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 350         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 351
 352         // Reserved space
 353         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 354         if (panel_horizontal) {
 355                 if (panel_position & TOP) {
 356                         struts[2] = p->area.height + p->marginy;
 357                         struts[8] = p->posx;
 358                         // p->area.width - 1 allowed full screen on monitor 2
 359                         struts[9] = p->posx + p->area.width - 1;
 360                 }
 361                 else {
 362                         struts[3] = p->area.height + p->marginy;
 363                         struts[10] = p->posx;
 364                         // p->area.width - 1 allowed full screen on monitor 2
 365                         struts[11] = p->posx + p->area.width - 1;
 366                 }
 367         }
 368         else {
 369                 if (panel_position & LEFT) {
 370                         struts[0] = p->area.width + p->marginx;
 371                         struts[4] = p->posy;
 372                         // p->area.width - 1 allowed full screen on monitor 2
 373                         struts[5] = p->posy + p->area.height - 1;
 374                 }
 375                 else {
 376                         struts[1] = p->area.width + p->marginx;
 377                         struts[6] = p->posy;
 378                         // p->area.width - 1 allowed full screen on monitor 2
 379                         struts[7] = p->posy + p->area.height - 1;
 380                 }
 381         }
 382         // Old specification : fluxbox need _NET_WM_STRUT.
 383         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 384         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 385
 386         // Sticky and below other window
 387         val = 0xFFFFFFFF;
 388         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 389         Atom state[4];
 390         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 391         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 392         state[2] = server.atom._NET_WM_STATE_STICKY;
 393         state[3] = server.atom._NET_WM_STATE_BELOW;
 394         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 395
 396         // Fixed position
 397         XSizeHints size_hints;
 398         size_hints.flags = PPosition;
 399         XChangeProperty (server.dsp, p->main_win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32, PropModeReplace, (unsigned char *) &size_hints, sizeof (XSizeHints) / 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
 424
 425 void set_panel_background(Panel *p)
 426 {
 427         get_root_pixmap();
 428
 429         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 430         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 431
 432         // copy background (server.root_pmap) in panel.area.pix.pmap
 433         Window dummy;
 434         int  x, y;
 435         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 436         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 437         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 438
 439         // draw background panel
 440         cairo_surface_t *cs;
 441         cairo_t *c;
 442         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 443         c = cairo_create (cs);
 444
 445         draw_background(&p->area, c, 0);
 446
 447         cairo_destroy (c);
 448         cairo_surface_destroy (cs);
 449
 450         // redraw panel's object
 451         GSList *l0;
 452         Area *a;
 453         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 454                 a = l0->data;
 455                 set_redraw(a);
 456         }
 457 }
 458
 459
 460 Panel *get_panel(Window win)
 461 {
 462         int i;
 463         for (i=0 ; i < nb_panel ; i++) {
 464                 if (panel1[i].main_win == win) {
 465                         return &panel1[i];
 466                 }
 467         }
 468         return 0;
 469 }
 470