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 Task *task_urgent;
  56 int  tick_urgent;
  57 int  max_tick_urgent;
  58
  59 // panel's initial config
  60 Panel panel_config;
  61 // panels (one panel per monitor)
  62 Panel *panel1 = NULL;
  63 int  nb_panel = 0;
  64
  65 Imlib_Image default_icon = NULL;
  66
  67
  68
  69 void init_panel()
  70 {
  71         int i, old_nb_panel;
  72         Panel *new_panel, *p;
  73
  74         cleanup_taskbar();
  75         for (i=0 ; i < nb_panel ; i++) {
  76                 free_area(&panel1[i].area);
  77                 if (panel1[i].temp_pmap) {
  78                         XFreePixmap(server.dsp, panel1[i].temp_pmap);
  79                         panel1[i].temp_pmap = 0;
  80                 }
  81         }
  82
  83         // number of panels
  84         old_nb_panel = nb_panel;
  85         if (panel_config.monitor >= 0)
  86                 nb_panel = 1;
  87         else
  88                 nb_panel = server.nb_monitor;
  89
  90         // freed old panels
  91         for (i=nb_panel ; i < old_nb_panel ; i++) {
  92                 if (panel1[i].main_win) {
  93                         XDestroyWindow(server.dsp, panel1[i].main_win);
  94                         panel1[i].main_win = 0;
  95                 }
  96         }
  97
  98         // alloc & init new panel
  99         Window old_win;
 100         if (nb_panel != old_nb_panel)
 101                 new_panel = realloc(panel1, nb_panel * sizeof(Panel));
 102         else
 103                 new_panel = panel1;
 104         for (i=0 ; i < nb_panel ; i++) {
 105                 old_win = new_panel[i].main_win;
 106                 memcpy(&new_panel[i], &panel_config, sizeof(Panel));
 107                 new_panel[i].main_win = old_win;
 108         }
 109
 110         fprintf(stderr, "tint2 : nb monitor %d, nb desktop %d\n", nb_panel, server.nb_desktop);
 111         for (i=0 ; i < nb_panel ; i++) {
 112                 p = &new_panel[i];
 113
 114                 p->monitor = i;
 115                 p->area.parent = p;
 116                 p->area.panel = p;
 117                 p->area.on_screen = 1;
 118                 p->area.resize = 1;
 119                 p->area._resize = resize_panel;
 120                 p->g_taskbar.parent = p;
 121                 p->g_taskbar.panel = p;
 122                 p->g_task.area.panel = p;
 123                 init_panel_size_and_position(p);
 124
 125                 // add childs
 126                 if (p->clock.area.on_screen) {
 127                         init_clock_panel(p);
 128                         p->area.list = g_slist_append(p->area.list, &p->clock);
 129                 }
 130 #ifdef ENABLE_BATTERY
 131                 if (p->battery.area.on_screen) {
 132                         init_battery_panel(p);
 133                         p->area.list = g_slist_append(p->area.list, &p->battery);
 134                 }
 135 #endif
 136                 // systray only on first panel
 137                 if (systray.area.on_screen && i == 0) {
 138                         init_systray_panel(p);
 139                         p->area.list = g_slist_append(p->area.list, &systray);
 140                 }
 141
 142                 if (i >= old_nb_panel) {
 143                         // new panel : catch some events
 144                         long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
 145                         if (g_tooltip.enabled)
 146                                 event_mask |= PointerMotionMask|LeaveWindowMask;
 147                         XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, event_mask, NoEventMask, False, 0, 0 };
 148                         if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 149                         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);
 150                 }
 151                 else {
 152                         // old panel
 153                         XMoveResizeWindow(server.dsp, p->main_win, p->posx, p->posy, p->area.width, p->area.height);
 154                 }
 155
 156                 //printf("panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 157                 set_panel_properties(p);
 158                 set_panel_background(p);
 159                 if (i >= old_nb_panel) {
 160                         // map new panel
 161                         XMapWindow (server.dsp, p->main_win);
 162                 }
 163         }
 164
 165         panel1 = new_panel;
 166         panel_refresh = 1;
 167         refresh_systray = 1;
 168         init_taskbar();
 169         visible_object();
 170         task_refresh_tasklist();
 171 }
 172
 173
 174 void init_panel_size_and_position(Panel *panel)
 175 {
 176         // detect panel size
 177         if (panel_horizontal) {
 178                 if (panel->pourcentx)
 179                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->area.width / 100;
 180                 if (panel->pourcenty)
 181                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.height / 100;
 182                 if (panel->area.pix.border.rounded > panel->area.height/2)
 183                         panel->area.pix.border.rounded = panel->area.height/2;
 184         }
 185         else {
 186                 int old_panel_height = panel->area.height;
 187                 if (panel->pourcentx)
 188                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.width / 100;
 189                 else
 190                         panel->area.height = panel->area.width;
 191                 if (panel->pourcenty)
 192                         panel->area.width = (float)server.monitor[panel->monitor].width * old_panel_height / 100;
 193                 else
 194                         panel->area.width = old_panel_height;
 195                 if (panel->area.pix.border.rounded > panel->area.width/2)
 196                         panel->area.pix.border.rounded = panel->area.width/2;
 197         }
 198
 199         // panel position determined here
 200         if (panel_position & LEFT) {
 201                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 202         }
 203         else {
 204                 if (panel_position & RIGHT) {
 205                         panel->posx = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - panel->area.width - panel->marginx;
 206                 }
 207                 else {
 208                         if (panel_horizontal)
 209                                 panel->posx = server.monitor[panel->monitor].x + ((server.monitor[panel->monitor].width - panel->area.width) / 2);
 210                         else
 211                                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 212                 }
 213         }
 214         if (panel_position & TOP) {
 215                 panel->posy = server.monitor[panel->monitor].y + panel->marginy;
 216         }
 217         else {
 218                 if (panel_position & BOTTOM) {
 219                         panel->posy = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - panel->area.height - panel->marginy;
 220                 }
 221                 else {
 222                         panel->posy = server.monitor[panel->monitor].y + ((server.monitor[panel->monitor].height - panel->area.height) / 2);
 223                 }
 224         }
 225         // printf("panel : posx %d, posy %d, width %d, height %d\n", panel->posx, panel->posy, panel->area.width, panel->area.height);
 226 }
 227
 228
 229 void cleanup_panel()
 230 {
 231         if (!panel1) return;
 232
 233         task_active = 0;
 234         task_drag = 0;
 235         task_urgent = 0;
 236         cleanup_taskbar();
 237
 238         // font allocated once
 239         if (panel1[0].g_task.font_desc) {
 240                 pango_font_description_free(panel1[0].g_task.font_desc);
 241                 panel1[0].g_task.font_desc = 0;
 242         }
 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) free(panel1);
 262         panel1 = 0;
 263 }
 264
 265
 266 void resize_panel(void *obj)
 267 {
 268         Panel *panel = (Panel*)obj;
 269
 270         if (panel_horizontal) {
 271                 int taskbar_width, modulo_width = 0;
 272
 273                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 274                 if (panel->clock.area.on_screen && panel->clock.area.width)
 275                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 276         #ifdef ENABLE_BATTERY
 277                 if (panel->battery.area.on_screen && panel->battery.area.width)
 278                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 279         #endif
 280                 // TODO : systray only on first panel. search better implementation !
 281                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 282                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 283
 284                 if (panel_mode == MULTI_DESKTOP) {
 285                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 286                         taskbar_width = width / panel->nb_desktop;
 287                         modulo_width = width % panel->nb_desktop;
 288                 }
 289
 290                 // change posx and width for all taskbar
 291                 int i, posx;
 292                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 293                 for (i=0 ; i < panel->nb_desktop ; i++) {
 294                         panel->taskbar[i].area.posx = posx;
 295                         panel->taskbar[i].area.width = taskbar_width;
 296                         panel->taskbar[i].area.resize = 1;
 297                         if (modulo_width) {
 298                                 panel->taskbar[i].area.width++;
 299                                 modulo_width--;
 300                         }
 301                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 302                         if (panel_mode == MULTI_DESKTOP)
 303                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 304                 }
 305         }
 306         else {
 307                 int taskbar_height, modulo_height = 0;
 308                 int i, posy;
 309
 310                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 311                 if (panel->clock.area.on_screen && panel->clock.area.height)
 312                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 313         #ifdef ENABLE_BATTERY
 314                 if (panel->battery.area.on_screen && panel->battery.area.height)
 315                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 316         #endif
 317                 // TODO : systray only on first panel. search better implementation !
 318                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 319                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 320
 321                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 322                 if (panel_mode == MULTI_DESKTOP) {
 323                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 324                         taskbar_height = height / panel->nb_desktop;
 325                         modulo_height = height % panel->nb_desktop;
 326                 }
 327
 328                 // change posy and height for all taskbar
 329                 for (i=0 ; i < panel->nb_desktop ; i++) {
 330                         panel->taskbar[i].area.posy = posy;
 331                         panel->taskbar[i].area.height = taskbar_height;
 332                         panel->taskbar[i].area.resize = 1;
 333                         if (modulo_height) {
 334                                 panel->taskbar[i].area.height++;
 335                                 modulo_height--;
 336                         }
 337                         if (panel_mode == MULTI_DESKTOP)
 338                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 339                 }
 340         }
 341 }
 342
 343
 344 void visible_object()
 345 {
 346         Panel *panel;
 347         int i, j;
 348
 349         for (i=0 ; i < nb_panel ; i++) {
 350                 panel = &panel1[i];
 351
 352                 Taskbar *taskbar;
 353                 for (j=0 ; j < panel->nb_desktop ; j++) {
 354                         taskbar = &panel->taskbar[j];
 355                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 356                                 // SINGLE_DESKTOP and not current desktop
 357                                 taskbar->area.on_screen = 0;
 358                         }
 359                         else {
 360                                 taskbar->area.on_screen = 1;
 361                         }
 362                 }
 363         }
 364         panel_refresh = 1;
 365 }
 366
 367
 368 void set_panel_properties(Panel *p)
 369 {
 370         XStoreName (server.dsp, p->main_win, "tint2");
 371
 372         gsize len;
 373         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 374         if (name != NULL) {
 375                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 376                 g_free(name);
 377         }
 378
 379         // Dock
 380         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 381         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 382
 383         // Sticky and below other window
 384         val = 0xFFFFFFFF;
 385         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 386         Atom state[4];
 387         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 388         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 389         state[2] = server.atom._NET_WM_STATE_STICKY;
 390         state[3] = server.atom._NET_WM_STATE_BELOW;
 391         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 392
 393         // Unfocusable
 394         XWMHints wmhints;
 395         if (panel_dock) {
 396                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 397                 wmhints.icon_window = wmhints.window_group = p->main_win;
 398                 wmhints.flags = StateHint | IconWindowHint;
 399                 wmhints.initial_state = WithdrawnState;
 400         }
 401         else {
 402                 wmhints.flags = InputHint;
 403                 wmhints.input = False;
 404         }
 405         XSetWMHints(server.dsp, p->main_win, &wmhints);
 406
 407         // Undecorated
 408         long prop[5] = { 2, 0, 0, 0, 0 };
 409         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 410
 411         // XdndAware - Register for Xdnd events
 412         int version=5;
 413         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 414
 415         // Reserved space
 416         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 417         if (panel_horizontal) {
 418                 if (panel_position & TOP) {
 419                         struts[2] = p->area.height + p->marginy;
 420                         struts[8] = p->posx;
 421                         // p->area.width - 1 allowed full screen on monitor 2
 422                         struts[9] = p->posx + p->area.width - 1;
 423                 }
 424                 else {
 425                         struts[3] = p->area.height + p->marginy;
 426                         struts[10] = p->posx;
 427                         // p->area.width - 1 allowed full screen on monitor 2
 428                         struts[11] = p->posx + p->area.width - 1;
 429                 }
 430         }
 431         else {
 432                 if (panel_position & LEFT) {
 433                         struts[0] = p->area.width + p->marginx;
 434                         struts[4] = p->posy;
 435                         // p->area.width - 1 allowed full screen on monitor 2
 436                         struts[5] = p->posy + p->area.height - 1;
 437                 }
 438                 else {
 439                         struts[1] = p->area.width + p->marginx;
 440                         struts[6] = p->posy;
 441                         // p->area.width - 1 allowed full screen on monitor 2
 442                         struts[7] = p->posy + p->area.height - 1;
 443                 }
 444         }
 445         // Old specification : fluxbox need _NET_WM_STRUT.
 446         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 447         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 448
 449         // Fixed position and non-resizable window
 450         // Allow panel move and resize when tint2 reload config file
 451         XSizeHints size_hints;
 452         size_hints.flags = PPosition|PMinSize|PMaxSize;
 453         size_hints.min_width = size_hints.max_width = p->area.width;
 454         size_hints.min_height = size_hints.max_height = p->area.height;
 455         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 456 }
 457
 458
 459 void set_panel_background(Panel *p)
 460 {
 461         get_root_pixmap();
 462
 463         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 464         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 465
 466         // copy background (server.root_pmap) in panel.area.pix.pmap
 467         Window dummy;
 468         int  x, y;
 469         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 470         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 471         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 472
 473         // draw background panel
 474         cairo_surface_t *cs;
 475         cairo_t *c;
 476         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 477         c = cairo_create (cs);
 478
 479         draw_background(&p->area, c, 0);
 480
 481         cairo_destroy (c);
 482         cairo_surface_destroy (cs);
 483
 484         // redraw panel's object
 485         GSList *l0;
 486         Area *a;
 487         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 488                 a = l0->data;
 489                 set_redraw(a);
 490         }
 491 }
 492
 493
 494 Panel *get_panel(Window win)
 495 {
 496         int i;
 497         for (i=0 ; i < nb_panel ; i++) {
 498                 if (panel1[i].main_win == win) {
 499                         return &panel1[i];
 500                 }
 501         }
 502         return 0;
 503 }
 504