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's initial config
  59 Panel panel_config;
  60 // panels (one panel per monitor)
  61 Panel *panel1 = 0;
  62 int  nb_panel;
  63
  64 Imlib_Image default_icon;
  65
  66
  67 void init_panel()
  68 {
  69         int i;
  70         Panel *p;
  71
  72         // load default icon
  73         char *path;
  74         const gchar * const *data_dirs;
  75         data_dirs = g_get_system_data_dirs ();
  76         for (i = 0; data_dirs[i] != NULL; i++)  {
  77                 path = g_build_filename(data_dirs[i], "tint2", "default_icon.png", NULL);
  78                 if (g_file_test (path, G_FILE_TEST_EXISTS))
  79                         default_icon = imlib_load_image(path);
  80                 g_free(path);
  81         }
  82
  83         //if (panel1)
  84         //      free(panel1);
  85         // alloc panels (one monitor or all monitors)
  86         if (panel_config.monitor >= 0)
  87                 nb_panel = 1;
  88         else
  89                 nb_panel = server.nb_monitor;
  90         panel1 = malloc(nb_panel * sizeof(Panel));
  91
  92         for (i=0 ; i < nb_panel ; i++) {
  93                 p = &panel1[i];
  94
  95                 memcpy(p, &panel_config, sizeof(Panel));
  96                 p->monitor = i;
  97                 p->area.parent = p;
  98                 p->area.panel = p;
  99                 p->area.on_screen = 1;
 100                 p->area.resize = 1;
 101                 p->area._resize = resize_panel;
 102                 p->g_taskbar.parent = p;
 103                 p->g_taskbar.panel = p;
 104                 p->g_task.area.panel = p;
 105
 106                 // add childs
 107                 if (p->clock.area.on_screen)
 108                         p->area.list = g_slist_append(p->area.list, &p->clock);
 109 #ifdef ENABLE_BATTERY
 110                 if (p->battery.area.on_screen)
 111                         p->area.list = g_slist_append(p->area.list, &p->battery);
 112 #endif
 113                 // systray only on first panel
 114                 if (systray.area.on_screen && i == 0)
 115                         p->area.list = g_slist_append(p->area.list, &systray);
 116
 117                 // full width mode
 118                 if (!p->initial_width) {
 119                         p->initial_width = 100;
 120                         p->pourcentx = 1;
 121                 }
 122
 123                 init_panel_size_and_position(p);
 124
 125                 // Catch some events
 126                 long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
 127                 if (g_tooltip.enabled)
 128                         event_mask |= PointerMotionMask|LeaveWindowMask;
 129                 XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, event_mask, NoEventMask, False, 0, 0 };
 130                 if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 131                 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);
 132
 133                 set_panel_properties(p);
 134                 set_panel_background(p);
 135
 136                 XMapWindow (server.dsp, p->main_win);
 137         }
 138         panel_refresh = 1;
 139 }
 140
 141
 142 void init_panel_size_and_position(Panel *panel)
 143 {
 144         // detect panel size
 145         if (panel_horizontal) {
 146                 if (panel->pourcentx)
 147                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->initial_width / 100;
 148                 else
 149                         panel->area.width = panel->initial_width;
 150                 if (panel->pourcenty)
 151                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->initial_height / 100;
 152                 else
 153                         panel->area.height = panel->initial_height;
 154                 if (panel->area.pix.border.rounded > panel->area.height/2)
 155                         panel->area.pix.border.rounded = panel->area.height/2;
 156         }
 157         else {
 158                 if (panel->pourcentx)
 159                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->initial_width / 100;
 160                 else
 161                         panel->area.height = panel->initial_width;
 162                 if (panel->pourcenty)
 163                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->initial_height / 100;
 164                 else
 165                         panel->area.width = panel->initial_height;
 166                 if (panel->area.pix.border.rounded > panel->area.width/2)
 167                         panel->area.pix.border.rounded = panel->area.width/2;
 168         }
 169
 170         // panel position determined here
 171         if (panel_position & LEFT) {
 172                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 173         }
 174         else {
 175                 if (panel_position & RIGHT) {
 176                         panel->posx = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - panel->area.width - panel->marginx;
 177                 }
 178                 else {
 179                         if (panel_horizontal)
 180                                 panel->posx = server.monitor[panel->monitor].x + ((server.monitor[panel->monitor].width - panel->area.width) / 2);
 181                         else
 182                                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 183                 }
 184         }
 185         if (panel_position & TOP) {
 186                 panel->posy = server.monitor[panel->monitor].y + panel->marginy;
 187         }
 188         else {
 189                 if (panel_position & BOTTOM) {
 190                         panel->posy = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - panel->area.height - panel->marginy;
 191                 }
 192                 else {
 193                         panel->posy = server.monitor[panel->monitor].y + ((server.monitor[panel->monitor].height - panel->area.height) / 2);
 194                 }
 195         }
 196         // printf("panel : posx %d, posy %d, width %d, height %d\n", panel->posx, panel->posy, panel->area.width, panel->area.height);
 197 }
 198
 199
 200 void cleanup_panel()
 201 {
 202         if (!panel1) return;
 203
 204         task_active = 0;
 205         task_drag = 0;
 206         task_urgent = 0;
 207         cleanup_systray();
 208         cleanup_taskbar();
 209
 210         if (default_icon) {
 211                 imlib_context_set_image(default_icon);
 212                 imlib_free_image();
 213         }
 214
 215         // font allocated once
 216         if (panel1[0].g_task.font_desc) {
 217                 pango_font_description_free(panel1[0].g_task.font_desc);
 218                 panel1[0].g_task.font_desc = 0;
 219         }
 220
 221         int i;
 222         Panel *p;
 223         for (i=0 ; i < nb_panel ; i++) {
 224                 p = &panel1[i];
 225
 226                 free_area(&p->area);
 227                 free_area(&p->g_task.area);
 228                 free_area(&p->g_taskbar);
 229
 230                 if (p->temp_pmap) {
 231                         XFreePixmap(server.dsp, p->temp_pmap);
 232                         p->temp_pmap = 0;
 233                 }
 234                 if (p->main_win) {
 235                         XDestroyWindow(server.dsp, p->main_win);
 236                         p->main_win = 0;
 237                 }
 238         }
 239
 240         if (panel1) free(panel1);
 241         panel1 = 0;
 242
 243         if (g_tooltip.window) {
 244                 XDestroyWindow(server.dsp, g_tooltip.window);
 245                 g_tooltip.window = 0;
 246         }
 247         if (g_tooltip.font_desc) {
 248                 pango_font_description_free(g_tooltip.font_desc);
 249                 g_tooltip.font_desc = 0;
 250         }
 251 }
 252
 253
 254 void resize_panel(void *obj)
 255 {
 256         Panel *panel = (Panel*)obj;
 257
 258         if (panel_horizontal) {
 259                 int taskbar_width, modulo_width = 0;
 260
 261                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 262                 if (panel->clock.area.on_screen && panel->clock.area.width)
 263                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 264         #ifdef ENABLE_BATTERY
 265                 if (panel->battery.area.on_screen && panel->battery.area.width)
 266                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 267         #endif
 268                 // TODO : systray only on first panel. search better implementation !
 269                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 270                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 271
 272                 if (panel_mode == MULTI_DESKTOP) {
 273                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 274                         taskbar_width = width / panel->nb_desktop;
 275                         modulo_width = width % panel->nb_desktop;
 276                 }
 277
 278                 // change posx and width for all taskbar
 279                 int i, posx;
 280                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 281                 for (i=0 ; i < panel->nb_desktop ; i++) {
 282                         panel->taskbar[i].area.posx = posx;
 283                         panel->taskbar[i].area.width = taskbar_width;
 284                         panel->taskbar[i].area.resize = 1;
 285                         if (modulo_width) {
 286                                 panel->taskbar[i].area.width++;
 287                                 modulo_width--;
 288                         }
 289                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 290                         if (panel_mode == MULTI_DESKTOP)
 291                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 292                 }
 293         }
 294         else {
 295                 int taskbar_height, modulo_height = 0;
 296                 int i, posy;
 297
 298                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 299                 if (panel->clock.area.on_screen && panel->clock.area.height)
 300                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 301         #ifdef ENABLE_BATTERY
 302                 if (panel->battery.area.on_screen && panel->battery.area.height)
 303                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 304         #endif
 305                 // TODO : systray only on first panel. search better implementation !
 306                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 307                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 308
 309                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 310                 if (panel_mode == MULTI_DESKTOP) {
 311                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 312                         taskbar_height = height / panel->nb_desktop;
 313                         modulo_height = height % panel->nb_desktop;
 314                 }
 315
 316                 // change posy and height for all taskbar
 317                 for (i=0 ; i < panel->nb_desktop ; i++) {
 318                         panel->taskbar[i].area.posy = posy;
 319                         panel->taskbar[i].area.height = taskbar_height;
 320                         panel->taskbar[i].area.resize = 1;
 321                         if (modulo_height) {
 322                                 panel->taskbar[i].area.height++;
 323                                 modulo_height--;
 324                         }
 325                         if (panel_mode == MULTI_DESKTOP)
 326                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 327                 }
 328         }
 329 }
 330
 331
 332 void visible_object()
 333 {
 334         Panel *panel;
 335         int i, j;
 336
 337         for (i=0 ; i < nb_panel ; i++) {
 338                 panel = &panel1[i];
 339
 340                 Taskbar *taskbar;
 341                 for (j=0 ; j < panel->nb_desktop ; j++) {
 342                         taskbar = &panel->taskbar[j];
 343                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 344                                 // SINGLE_DESKTOP and not current desktop
 345                                 taskbar->area.on_screen = 0;
 346                         }
 347                         else {
 348                                 taskbar->area.on_screen = 1;
 349                         }
 350                 }
 351         }
 352         panel_refresh = 1;
 353 }
 354
 355
 356 void set_panel_properties(Panel *p)
 357 {
 358         XStoreName (server.dsp, p->main_win, "tint2");
 359
 360         gsize len;
 361         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 362         if (name != NULL) {
 363                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 364                 g_free(name);
 365         }
 366
 367         // Dock
 368         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 369         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 370
 371         // Reserved space
 372         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 373         if (panel_horizontal) {
 374                 if (panel_position & TOP) {
 375                         struts[2] = p->area.height + p->marginy;
 376                         struts[8] = p->posx;
 377                         // p->area.width - 1 allowed full screen on monitor 2
 378                         struts[9] = p->posx + p->area.width - 1;
 379                 }
 380                 else {
 381                         struts[3] = p->area.height + p->marginy;
 382                         struts[10] = p->posx;
 383                         // p->area.width - 1 allowed full screen on monitor 2
 384                         struts[11] = p->posx + p->area.width - 1;
 385                 }
 386         }
 387         else {
 388                 if (panel_position & LEFT) {
 389                         struts[0] = p->area.width + p->marginx;
 390                         struts[4] = p->posy;
 391                         // p->area.width - 1 allowed full screen on monitor 2
 392                         struts[5] = p->posy + p->area.height - 1;
 393                 }
 394                 else {
 395                         struts[1] = p->area.width + p->marginx;
 396                         struts[6] = p->posy;
 397                         // p->area.width - 1 allowed full screen on monitor 2
 398                         struts[7] = p->posy + p->area.height - 1;
 399                 }
 400         }
 401         // Old specification : fluxbox need _NET_WM_STRUT.
 402         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 403         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 404
 405         // Sticky and below other window
 406         val = 0xFFFFFFFF;
 407         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 408         Atom state[4];
 409         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 410         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 411         state[2] = server.atom._NET_WM_STATE_STICKY;
 412         state[3] = server.atom._NET_WM_STATE_BELOW;
 413         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 414
 415         // Fixed position and non-resizable window
 416         XSizeHints size_hints;
 417         size_hints.flags = PPosition|PMinSize|PMaxSize;
 418         size_hints.min_width = size_hints.max_width = p->area.width;
 419         size_hints.min_height = size_hints.max_height = p->area.height;
 420         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 421
 422         // Unfocusable
 423         XWMHints wmhints;
 424         if (panel_dock) {
 425                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 426                 wmhints.icon_window = wmhints.window_group = p->main_win;
 427                 wmhints.flags = StateHint | IconWindowHint;
 428                 wmhints.initial_state = WithdrawnState;
 429         }
 430         else {
 431                 wmhints.flags = InputHint;
 432                 wmhints.input = False;
 433         }
 434         XSetWMHints(server.dsp, p->main_win, &wmhints);
 435
 436         // Undecorated
 437         long prop[5] = { 2, 0, 0, 0, 0 };
 438         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 439
 440         // XdndAware - Register for Xdnd events
 441         int version=5;
 442         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 443 }
 444
 445
 446 void set_panel_background(Panel *p)
 447 {
 448         get_root_pixmap();
 449
 450         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 451         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 452
 453         // copy background (server.root_pmap) in panel.area.pix.pmap
 454         Window dummy;
 455         int  x, y;
 456         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 457         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 458         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 459
 460         // draw background panel
 461         cairo_surface_t *cs;
 462         cairo_t *c;
 463         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 464         c = cairo_create (cs);
 465
 466         draw_background(&p->area, c, 0);
 467
 468         cairo_destroy (c);
 469         cairo_surface_destroy (cs);
 470
 471         // redraw panel's object
 472         GSList *l0;
 473         Area *a;
 474         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 475                 a = l0->data;
 476                 set_redraw(a);
 477         }
 478 }
 479
 480
 481 Panel *get_panel(Window win)
 482 {
 483         int i;
 484         for (i=0 ; i < nb_panel ; i++) {
 485                 if (panel1[i].main_win == win) {
 486                         return &panel1[i];
 487                 }
 488         }
 489         return 0;
 490 }
 491