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 (battery_enabled) {
 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                         refresh_systray = 1;
 141                 }
 142
 143                 if (i >= old_nb_panel) {
 144                         // new panel : catch some events
 145                         long event_mask = ExposureMask|ButtonPressMask|ButtonReleaseMask;
 146                         if (g_tooltip.enabled)
 147                                 event_mask |= PointerMotionMask|LeaveWindowMask;
 148                         XSetWindowAttributes att = { ParentRelative, 0L, 0, 0L, 0, 0, Always, 0L, 0L, False, event_mask, NoEventMask, False, 0, 0 };
 149                         if (p->main_win) XDestroyWindow(server.dsp, p->main_win);
 150                         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);
 151                 }
 152                 else {
 153                         // old panel
 154                         XMoveResizeWindow(server.dsp, p->main_win, p->posx, p->posy, p->area.width, p->area.height);
 155                 }
 156
 157                 //printf("panel %d : %d, %d, %d, %d\n", i, p->posx, p->posy, p->area.width, p->area.height);
 158                 set_panel_properties(p);
 159                 set_panel_background(p);
 160                 if (i >= old_nb_panel) {
 161                         // map new panel
 162                         XMapWindow (server.dsp, p->main_win);
 163                 }
 164         }
 165
 166         panel1 = new_panel;
 167         panel_refresh = 1;
 168         init_taskbar();
 169         visible_object();
 170         task_refresh_tasklist();
 171         active_task();
 172 }
 173
 174
 175 void init_panel_size_and_position(Panel *panel)
 176 {
 177         // detect panel size
 178         if (panel_horizontal) {
 179                 if (panel->pourcentx)
 180                         panel->area.width = (float)server.monitor[panel->monitor].width * panel->area.width / 100;
 181                 if (panel->pourcenty)
 182                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.height / 100;
 183                 if (panel->area.pix.border.rounded > panel->area.height/2)
 184                         panel->area.pix.border.rounded = panel->area.height/2;
 185         }
 186         else {
 187                 int old_panel_height = panel->area.height;
 188                 if (panel->pourcentx)
 189                         panel->area.height = (float)server.monitor[panel->monitor].height * panel->area.width / 100;
 190                 else
 191                         panel->area.height = panel->area.width;
 192                 if (panel->pourcenty)
 193                         panel->area.width = (float)server.monitor[panel->monitor].width * old_panel_height / 100;
 194                 else
 195                         panel->area.width = old_panel_height;
 196                 if (panel->area.pix.border.rounded > panel->area.width/2)
 197                         panel->area.pix.border.rounded = panel->area.width/2;
 198         }
 199
 200         // panel position determined here
 201         if (panel_position & LEFT) {
 202                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 203         }
 204         else {
 205                 if (panel_position & RIGHT) {
 206                         panel->posx = server.monitor[panel->monitor].x + server.monitor[panel->monitor].width - panel->area.width - panel->marginx;
 207                 }
 208                 else {
 209                         if (panel_horizontal)
 210                                 panel->posx = server.monitor[panel->monitor].x + ((server.monitor[panel->monitor].width - panel->area.width) / 2);
 211                         else
 212                                 panel->posx = server.monitor[panel->monitor].x + panel->marginx;
 213                 }
 214         }
 215         if (panel_position & TOP) {
 216                 panel->posy = server.monitor[panel->monitor].y + panel->marginy;
 217         }
 218         else {
 219                 if (panel_position & BOTTOM) {
 220                         panel->posy = server.monitor[panel->monitor].y + server.monitor[panel->monitor].height - panel->area.height - panel->marginy;
 221                 }
 222                 else {
 223                         panel->posy = server.monitor[panel->monitor].y + ((server.monitor[panel->monitor].height - panel->area.height) / 2);
 224                 }
 225         }
 226         // printf("panel : posx %d, posy %d, width %d, height %d\n", panel->posx, panel->posy, panel->area.width, panel->area.height);
 227 }
 228
 229
 230 void cleanup_panel()
 231 {
 232         if (!panel1) return;
 233
 234         task_active = 0;
 235         task_drag = 0;
 236         task_urgent = 0;
 237         cleanup_taskbar();
 238
 239         // font allocated once
 240         if (panel1[0].g_task.font_desc) {
 241                 pango_font_description_free(panel1[0].g_task.font_desc);
 242                 panel1[0].g_task.font_desc = 0;
 243         }
 244
 245         int i;
 246         Panel *p;
 247         for (i=0 ; i < nb_panel ; i++) {
 248                 p = &panel1[i];
 249
 250                 free_area(&p->area);
 251
 252                 if (p->temp_pmap) {
 253                         XFreePixmap(server.dsp, p->temp_pmap);
 254                         p->temp_pmap = 0;
 255                 }
 256                 if (p->main_win) {
 257                         XDestroyWindow(server.dsp, p->main_win);
 258                         p->main_win = 0;
 259                 }
 260         }
 261
 262         if (panel1) free(panel1);
 263         panel1 = 0;
 264 }
 265
 266
 267 void resize_panel(void *obj)
 268 {
 269         Panel *panel = (Panel*)obj;
 270
 271         if (panel_horizontal) {
 272                 int taskbar_width, modulo_width = 0;
 273
 274                 taskbar_width = panel->area.width - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 275                 if (panel->clock.area.on_screen && panel->clock.area.width)
 276                         taskbar_width -= (panel->clock.area.width + panel->area.paddingx);
 277         #ifdef ENABLE_BATTERY
 278                 if (panel->battery.area.on_screen && panel->battery.area.width)
 279                         taskbar_width -= (panel->battery.area.width + panel->area.paddingx);
 280         #endif
 281                 // TODO : systray only on first panel. search better implementation !
 282                 if (systray.area.on_screen && systray.area.width && panel == &panel1[0])
 283                         taskbar_width -= (systray.area.width + panel->area.paddingx);
 284
 285                 if (panel_mode == MULTI_DESKTOP) {
 286                         int width = taskbar_width - ((panel->nb_desktop-1) * panel->area.paddingx);
 287                         taskbar_width = width / panel->nb_desktop;
 288                         modulo_width = width % panel->nb_desktop;
 289                 }
 290
 291                 // change posx and width for all taskbar
 292                 int i, posx;
 293                 posx = panel->area.pix.border.width + panel->area.paddingxlr;
 294                 for (i=0 ; i < panel->nb_desktop ; i++) {
 295                         panel->taskbar[i].area.posx = posx;
 296                         panel->taskbar[i].area.width = taskbar_width;
 297                         panel->taskbar[i].area.resize = 1;
 298                         if (modulo_width) {
 299                                 panel->taskbar[i].area.width++;
 300                                 modulo_width--;
 301                         }
 302                         //printf("taskbar %d : posx %d, width, %d, posy %d\n", i, posx, panel->taskbar[i].area.width, posx + panel->taskbar[i].area.width);
 303                         if (panel_mode == MULTI_DESKTOP)
 304                                 posx += panel->taskbar[i].area.width + panel->area.paddingx;
 305                 }
 306         }
 307         else {
 308                 int taskbar_height, modulo_height = 0;
 309                 int i, posy;
 310
 311                 taskbar_height = panel->area.height - (2 * panel->area.paddingxlr) - (2 * panel->area.pix.border.width);
 312                 if (panel->clock.area.on_screen && panel->clock.area.height)
 313                         taskbar_height -= (panel->clock.area.height + panel->area.paddingx);
 314         #ifdef ENABLE_BATTERY
 315                 if (panel->battery.area.on_screen && panel->battery.area.height)
 316                         taskbar_height -= (panel->battery.area.height + panel->area.paddingx);
 317         #endif
 318                 // TODO : systray only on first panel. search better implementation !
 319                 if (systray.area.on_screen && systray.area.height && panel == &panel1[0])
 320                         taskbar_height -= (systray.area.height + panel->area.paddingx);
 321
 322                 posy = panel->area.height - panel->area.pix.border.width - panel->area.paddingxlr - taskbar_height;
 323                 if (panel_mode == MULTI_DESKTOP) {
 324                         int height = taskbar_height - ((panel->nb_desktop-1) * panel->area.paddingx);
 325                         taskbar_height = height / panel->nb_desktop;
 326                         modulo_height = height % panel->nb_desktop;
 327                 }
 328
 329                 // change posy and height for all taskbar
 330                 for (i=0 ; i < panel->nb_desktop ; i++) {
 331                         panel->taskbar[i].area.posy = posy;
 332                         panel->taskbar[i].area.height = taskbar_height;
 333                         panel->taskbar[i].area.resize = 1;
 334                         if (modulo_height) {
 335                                 panel->taskbar[i].area.height++;
 336                                 modulo_height--;
 337                         }
 338                         if (panel_mode == MULTI_DESKTOP)
 339                                 posy += panel->taskbar[i].area.height + panel->area.paddingx;
 340                 }
 341         }
 342 }
 343
 344
 345 void visible_object()
 346 {
 347         Panel *panel;
 348         int i, j;
 349
 350         for (i=0 ; i < nb_panel ; i++) {
 351                 panel = &panel1[i];
 352
 353                 Taskbar *taskbar;
 354                 for (j=0 ; j < panel->nb_desktop ; j++) {
 355                         taskbar = &panel->taskbar[j];
 356                         if (panel_mode != MULTI_DESKTOP && taskbar->desktop != server.desktop) {
 357                                 // SINGLE_DESKTOP and not current desktop
 358                                 taskbar->area.on_screen = 0;
 359                         }
 360                         else {
 361                                 taskbar->area.on_screen = 1;
 362                         }
 363                 }
 364         }
 365         panel_refresh = 1;
 366 }
 367
 368
 369 void set_panel_properties(Panel *p)
 370 {
 371         XStoreName (server.dsp, p->main_win, "tint2");
 372
 373         gsize len;
 374         gchar *name = g_locale_to_utf8("tint2", -1, NULL, &len, NULL);
 375         if (name != NULL) {
 376                 XChangeProperty(server.dsp, p->main_win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 8, PropModeReplace, (unsigned char *) name, (int) len);
 377                 g_free(name);
 378         }
 379
 380         // Dock
 381         long val = server.atom._NET_WM_WINDOW_TYPE_DOCK;
 382         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_WINDOW_TYPE, XA_ATOM, 32, PropModeReplace, (unsigned char *) &val, 1);
 383
 384         // Sticky and below other window
 385         val = 0xFFFFFFFF;
 386         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_DESKTOP, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &val, 1);
 387         Atom state[4];
 388         state[0] = server.atom._NET_WM_STATE_SKIP_PAGER;
 389         state[1] = server.atom._NET_WM_STATE_SKIP_TASKBAR;
 390         state[2] = server.atom._NET_WM_STATE_STICKY;
 391         state[3] = server.atom._NET_WM_STATE_BELOW;
 392         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STATE, XA_ATOM, 32, PropModeReplace, (unsigned char *) state, 4);
 393
 394         // Unfocusable
 395         XWMHints wmhints;
 396         if (panel_dock) {
 397                 // TODO: Xdnd feature cannot be used in withdrawn state at the moment (at least GTK apps fail, qt seems to work)
 398                 wmhints.icon_window = wmhints.window_group = p->main_win;
 399                 wmhints.flags = StateHint | IconWindowHint;
 400                 wmhints.initial_state = WithdrawnState;
 401         }
 402         else {
 403                 wmhints.flags = InputHint;
 404                 wmhints.input = False;
 405         }
 406         XSetWMHints(server.dsp, p->main_win, &wmhints);
 407
 408         // Undecorated
 409         long prop[5] = { 2, 0, 0, 0, 0 };
 410         XChangeProperty(server.dsp, p->main_win, server.atom._MOTIF_WM_HINTS, server.atom._MOTIF_WM_HINTS, 32, PropModeReplace, (unsigned char *) prop, 5);
 411
 412         // XdndAware - Register for Xdnd events
 413         int version=5;
 414         XChangeProperty(server.dsp, p->main_win, server.atom.XdndAware, XA_ATOM, 32, PropModeReplace, (unsigned char*)&version, 1);
 415
 416         // Reserved space
 417         long   struts [12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 418         if (panel_horizontal) {
 419                 if (panel_position & TOP) {
 420                         struts[2] = p->area.height + p->marginy;
 421                         struts[8] = p->posx;
 422                         // p->area.width - 1 allowed full screen on monitor 2
 423                         struts[9] = p->posx + p->area.width - 1;
 424                 }
 425                 else {
 426                         struts[3] = p->area.height + p->marginy;
 427                         struts[10] = p->posx;
 428                         // p->area.width - 1 allowed full screen on monitor 2
 429                         struts[11] = p->posx + p->area.width - 1;
 430                 }
 431         }
 432         else {
 433                 if (panel_position & LEFT) {
 434                         struts[0] = p->area.width + p->marginx;
 435                         struts[4] = p->posy;
 436                         // p->area.width - 1 allowed full screen on monitor 2
 437                         struts[5] = p->posy + p->area.height - 1;
 438                 }
 439                 else {
 440                         struts[1] = p->area.width + p->marginx;
 441                         struts[6] = p->posy;
 442                         // p->area.width - 1 allowed full screen on monitor 2
 443                         struts[7] = p->posy + p->area.height - 1;
 444                 }
 445         }
 446         // Old specification : fluxbox need _NET_WM_STRUT.
 447         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 4);
 448         XChangeProperty (server.dsp, p->main_win, server.atom._NET_WM_STRUT_PARTIAL, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &struts, 12);
 449
 450         // Fixed position and non-resizable window
 451         // Allow panel move and resize when tint2 reload config file
 452         XSizeHints size_hints;
 453         size_hints.flags = PPosition|PMinSize|PMaxSize;
 454         size_hints.min_width = size_hints.max_width = p->area.width;
 455         size_hints.min_height = size_hints.max_height = p->area.height;
 456         XSetWMNormalHints(server.dsp, p->main_win, &size_hints);
 457 }
 458
 459
 460 void set_panel_background(Panel *p)
 461 {
 462         get_root_pixmap();
 463
 464         if (p->area.pix.pmap) XFreePixmap (server.dsp, p->area.pix.pmap);
 465         p->area.pix.pmap = XCreatePixmap (server.dsp, server.root_win, p->area.width, p->area.height, server.depth);
 466
 467         // copy background (server.root_pmap) in panel.area.pix.pmap
 468         Window dummy;
 469         int  x, y;
 470         XTranslateCoordinates(server.dsp, p->main_win, server.root_win, 0, 0, &x, &y, &dummy);
 471         XSetTSOrigin(server.dsp, server.gc, -x, -y) ;
 472         XFillRectangle(server.dsp, p->area.pix.pmap, server.gc, 0, 0, p->area.width, p->area.height);
 473
 474         // draw background panel
 475         cairo_surface_t *cs;
 476         cairo_t *c;
 477         cs = cairo_xlib_surface_create (server.dsp, p->area.pix.pmap, server.visual, p->area.width, p->area.height);
 478         c = cairo_create (cs);
 479
 480         draw_background(&p->area, c, 0);
 481
 482         cairo_destroy (c);
 483         cairo_surface_destroy (cs);
 484
 485         // redraw panel's object
 486         GSList *l0;
 487         Area *a;
 488         for (l0 = p->area.list; l0 ; l0 = l0->next) {
 489                 a = l0->data;
 490                 set_redraw(a);
 491         }
 492 }
 493
 494
 495 Panel *get_panel(Window win)
 496 {
 497         int i;
 498         for (i=0 ; i < nb_panel ; i++) {
 499                 if (panel1[i].main_win == win) {
 500                         return &panel1[i];
 501                 }
 502         }
 503         return 0;
 504 }
 505