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 GSList *urgent_list;
  56 int  max_tick_urgent;
  57
  58 // panel's initial config
  59 Panel panel_config;
  60 // panels (one panel per monitor)
  61 Panel *panel1 = NULL;
  62 int  nb_panel = 0;
  63
  64 Imlib_Image default_icon = NULL;
  65
  66
  67
  68 void init_panel()
  69 {
  70         int i, old_nb_panel;
  71         Panel *new_panel, *p;
  72
  73         init_tooltip();
  74         init_systray();
  75         init_clock();
  76 #ifdef ENABLE_BATTERY
  77         init_battery();
  78 #endif
  79
  80         cleanup_taskbar();
  81         for (i=0 ; i < nb_panel ; i++) {
  82                 free_area(&panel1[i].area);
  83                 if (panel1[i].temp_pmap) {
  84                         XFreePixmap(server.dsp, panel1[i].temp_pmap);
  85                         panel1[i].temp_pmap = 0;
  86                 }
  87         }
  88
  89         // number of panels
  90         old_nb_panel = nb_panel;
  91         if (panel_config.monitor >= 0)
  92                 nb_panel = 1;
  93         else
  94                 nb_panel = server.nb_monitor;
  95
  96         // freed old panels
  97         for (i=nb_panel ; i < old_nb_panel ; i++) {
  98                 if (panel1[i].main_win) {
  99                         XDestroyWindow(server.dsp, panel1[i].main_win);
 100                         panel1[i].main_win = 0;
 101                 }
 102         }
 103
 104         // alloc & init new panel
 105         Window old_win;
 106         if (nb_panel != old_nb_panel)
 107                 new_panel = realloc(panel1, nb_panel * sizeof(Panel));
 108         else
 109                 new_panel = panel1;
 110         for (i=0 ; i < nb_panel ; i++) {
 111                 old_win = new_panel[i].main_win;
 112                 memcpy(&new_panel[i], &panel_config, sizeof(Panel));
 113                 new_panel[i].main_win = old_win;
 114         }
 115
 116         fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", nb_panel, server.nb_desktop);
 117         for (i=0 ; i < nb_panel ; i++) {
 118                 p = &new_panel[i];
 119
 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         while (urgent_list) {
 242                 Task_urgent* t = urgent_list->data;
 243                 urgent_list = g_slist_remove(urgent_list, urgent_list->data);
 244                 free(t);
 245         }
 246
 247         cleanup_taskbar();
 248
 249         int i;
 250         Panel *p;
 251         for (i=0 ; i < nb_panel ; i++) {
 252                 p = &panel1[i];
 253
 254                 free_area(&p->area);
 255
 256                 if (p->temp_pmap) {
 257                         XFreePixmap(server.dsp, p->temp_pmap);
 258                         p->temp_pmap = 0;
 259                 }
 260                 if (p->main_win) {
 261                         XDestroyWindow(server.dsp, p->main_win);
 262                         p->main_win = 0;
 263                 }
 264         }
 265
 266         if (panel1) free(panel1);
 267         panel1 = 0;
 268
 269         if (panel_config.g_task.font_desc) {
 270                 pango_font_description_free(panel_config.g_task.font_desc);
 271                 panel_config.g_task.font_desc = 0;
 272         }
 273 }
 274
 275
 276 void resize_panel(void *obj)
 277 {
 278         Panel *panel = (Panel*)obj;
 279
 280         if (panel_horizontal) {
 281                 int taskbar_width, modulo_width = 0;
 282
 283                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 284                 if (panel->clock.area.on_screen && panel->clock.area.width)
 285                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 286         #ifdef ENABLE_BATTERY
 287                 if (panel->battery.area.on_screen && panel->battery.area.width)
 288                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 289         #endif
 290                 // TODO : systray only on first panel. search better implementation !
 291                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 292                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 293
 294                 if (panel_mode == MULTI_DESKTOP) {
 295                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 296                         taskbar_width = width / panel->nb_desktop;
 297                         modulo_width = width % panel->nb_desktop;
 298                 }
 299
 300                 // change posx and width for all taskbar
 301                 int i, posx;
 302                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 303                 for (i=0 ; i < panel->nb_desktop ; i++) {
 304                         panel->taskbar[i].area.posx = posx;
 305                         panel->taskbar[i].area.width = taskbar_width;
 306                         panel->taskbar[i].area.resize = 1;
 307                         if (modulo_width) {
 308                                 panel->taskbar[i].area.width++;
 309                                 modulo_width--;
 310                         }
 311                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 312                         if (panel_mode == MULTI_DESKTOP)
 313                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 314                 }
 315         }
 316         else {
 317                 int taskbar_height, modulo_height = 0;
 318                 int i, posy;
 319
 320                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 321                 if (panel->clock.area.on_screen && panel->clock.area.height)
 322                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 323         #ifdef ENABLE_BATTERY
 324                 if (panel->battery.area.on_screen && panel->battery.area.height)
 325                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 326         #endif
 327                 // TODO : systray only on first panel. search better implementation !
 328                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 329                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 330
 331                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 332                 if (panel_mode == MULTI_DESKTOP) {
 333                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 334                         taskbar_height = height / panel->nb_desktop;
 335                         modulo_height = height % panel->nb_desktop;
 336                 }
 337
 338                 // change posy and height for all taskbar
 339                 for (i=0 ; i < panel->nb_desktop ; i++) {
 340                         panel->taskbar[i].area.posy = posy;
 341                         panel->taskbar[i].area.height = taskbar_height;
 342                         panel->taskbar[i].area.resize = 1;
 343                         if (modulo_height) {
 344                                 panel->taskbar[i].area.height++;
 345                                 modulo_height--;
 346                         }
 347                         if (panel_mode == MULTI_DESKTOP)
 348                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 349                 }
 350         }
 351 }
 352
 353
 354 void visible_object()
 355 {
 356         Panel *panel;
 357         int i, j;
 358
 359         for (i=0 ; i < nb_panel ; i++) {
 360                 panel = &panel1[i];
 361
 362                 Taskbar *taskbar;
 363                 for (j=0 ; j < panel->nb_desktop ; j++) {
 364                         taskbar = &panel->taskbar[j];
 365                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 366                                 // SINGLE_DESKTOP and not current desktop
 367                                 taskbar->area.on_screen = 0;
 368                         }
 369                         else {
 370                                 taskbar->area.on_screen = 1;
 371                         }
 372                 }
 373         }
 374         panel_refresh = 1;
 375 }
 376
 377
 378 void set_panel_properties(Panel *p)
 379 {
 380         XStoreName (server.dsp, p->main_win, "tint2");
 381
 382         gsize len;
 383         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 384         if (name != NULL) {
 385                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 386                 g_free(name);
 387         }
 388
 389         // Dock
 390         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 391         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 392
 393         // Sticky and below other window
 394         val = 0xFFFFFFFF;
 395         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 396         Atom state[4];
 397         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 398         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 399         state[2] = server.atom._NET_WM_STATE_STICKY;
 400         state[3] = server.atom._NET_WM_STATE_BELOW;
 401         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 402
 403         // Unfocusable
 404         XWMHints wmhints;
 405         if (panel_dock) {
 406                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 407                 wmhints.icon_window = wmhints.window_group = p->main_win;
 408                 wmhints.flags = StateHint | IconWindowHint;
 409                 wmhints.initial_state = WithdrawnState;
 410         }
 411         else {
 412                 wmhints.flags = InputHint;
 413                 wmhints.input = False;
 414         }
 415         XSetWMHints(server.dsp, p->main_win, &wmhints);
 416
 417         // Undecorated
 418         long prop[5] = { 2, 0, 0, 0, 0 };
 419         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 420
 421         // XdndAware - Register for Xdnd events
 422         int version=5;
 423         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 424
 425         // Reserved space
 426         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 427         if (panel_horizontal) {
 428                 if (panel_position & TOP) {
 429                         struts[2] = p->area.height + p->marginy;
 430                         struts[8] = p->posx;
 431                         // p->area.width - 1 allowed full screen on monitor 2
 432                         struts[9] = p->posx + p->area.width - 1;
 433                 }
 434                 else {
 435                         struts[3] = p->area.height + p->marginy;
 436                         struts[10] = p->posx;
 437                         // p->area.width - 1 allowed full screen on monitor 2
 438                         struts[11] = p->posx + p->area.width - 1;
 439                 }
 440         }
 441         else {
 442                 if (panel_position & LEFT) {
 443                         struts[0] = p->area.width + p->marginx;
 444                         struts[4] = p->posy;
 445                         // p->area.width - 1 allowed full screen on monitor 2
 446                         struts[5] = p->posy + p->area.height - 1;
 447                 }
 448                 else {
 449                         struts[1] = p->area.width + p->marginx;
 450                         struts[6] = p->posy;
 451                         // p->area.width - 1 allowed full screen on monitor 2
 452                         struts[7] = p->posy + p->area.height - 1;
 453                 }
 454         }
 455         // Old specification : fluxbox need _NET_WM_STRUT.
 456         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 457         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 458
 459         // Fixed position and non-resizable window
 460         // Allow panel move and resize when tint2 reload config file
 461         XSizeHints size_hints;
 462         size_hints.flags = PPosition|PMinSize|PMaxSize;
 463         size_hints.min_width = size_hints.max_width = p->area.width;
 464         size_hints.min_height = size_hints.max_height = p->area.height;
 465         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 466 }
 467
 468
 469 void set_panel_background(Panel *p)
 470 {
 471         get_root_pixmap();
 472
 473         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 474         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 475
 476         // copy background (server.root_pmap) in panel.area.pix.pmap
 477         Window dummy;
 478         int  x, y;
 479         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 480         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 481         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 482
 483         // draw background panel
 484         cairo_surface_t *cs;
 485         cairo_t *c;
 486         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 487         c = cairo_create (cs);
 488
 489         draw_background(&p->area, c, 0);
 490
 491         cairo_destroy (c);
 492         cairo_surface_destroy (cs);
 493
 494         // redraw panel's object
 495         GSList *l0;
 496         Area *a;
 497         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 498                 a = l0->data;
 499                 set_redraw(a);
 500         }
 501 }
 502
 503
 504 Panel *get_panel(Window win)
 505 {
 506         int i;
 507         for (i=0 ; i < nb_panel ; i++) {
 508                 if (panel1[i].main_win == win) {
 509                         return &panel1[i];
 510                 }
 511         }
 512         return 0;
 513 }
 514