Dogcows Code - chaz/tint2/blob - src/taskbar/task.c

   1 /**************************************************************************
   2 *
   3 * Tint2 : task
   4 *
   5 * Copyright (C) 2007 Pål Staurland (staura@gmail.com)
   6 * Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License version 2
  10 * as published by the Free Software Foundation.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, write to the Free Software
  18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19 **************************************************************************/
  20
  21 #include <X11/Xlib.h>
  22 #include <X11/Xutil.h>
  23 #include <X11/Xatom.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <glib.h>
  28 #include <unistd.h>
  29
  30 #include "window.h"
  31 #include "task.h"
  32 #include "server.h"
  33 #include "panel.h"
  34 #include "tooltip.h"
  35 #include "timer.h"
  36
  37 static int urgent_timer = 0;
  38
  39 const char* task_get_tooltip(void* obj)
  40 {
  41         Task* t = obj;
  42         return t->title;
  43 }
  44
  45
  46 Task *add_task (Window win)
  47 {
  48         if (!win) return 0;
  49         if (window_is_hidden(win)) return 0;
  50
  51         int monitor;
  52
  53         Task new_tsk;
  54         new_tsk.win = win;
  55         new_tsk.desktop = window_get_desktop (win);
  56         if (nb_panel > 1) {
  57                 monitor = window_get_monitor (win);
  58                 if (monitor >= nb_panel) monitor = 0;
  59         }
  60         else monitor = 0;
  61         new_tsk.area.panel = &panel1[monitor];
  62
  63         // allocate only one title and one icon
  64         // even with task_on_all_desktop and with task_on_all_panel
  65         new_tsk.title = 0;
  66         new_tsk.icon = new_tsk.icon_active = NULL;
  67         get_title(&new_tsk);
  68         get_icon(&new_tsk);
  69
  70         //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  71         XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
  72
  73         Taskbar *tskbar;
  74         Task *new_tsk2=0;
  75         int i, j;
  76         for (i=0 ; i < nb_panel ; i++) {
  77                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
  78                         if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
  79                         if (nb_panel > 1 && panel1[i].monitor != monitor) continue;
  80
  81                         tskbar = &panel1[i].taskbar[j];
  82                         new_tsk2 = malloc(sizeof(Task));
  83                         memcpy(&new_tsk2->area, &panel1[i].g_task.area, sizeof(Area));
  84                         new_tsk2->area.parent = tskbar;
  85                         new_tsk2->win = new_tsk.win;
  86                         new_tsk2->desktop = new_tsk.desktop;
  87                         if (new_tsk2->desktop == ALLDESKTOP && server.desktop != j) {
  88                                 // hide ALLDESKTOP task on non-current desktop
  89                                 new_tsk2->area.on_screen = 0;
  90                         }
  91                         new_tsk2->title = new_tsk.title;
  92                         new_tsk2->area._get_tooltip_text = task_get_tooltip;
  93                         new_tsk2->icon = new_tsk.icon;
  94                         new_tsk2->icon_active = new_tsk.icon_active;
  95                         new_tsk2->icon_width = new_tsk.icon_width;
  96                         new_tsk2->icon_height = new_tsk.icon_height;
  97                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  98                         tskbar->area.resize = 1;
  99                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
 100                 }
 101         }
 102         return new_tsk2;
 103 }
 104
 105
 106 void remove_task (Task *tsk)
 107 {
 108         if (!tsk) return;
 109
 110         Window win = tsk->win;
 111         int desktop = tsk->desktop;
 112
 113         // free title and icon just for the first task
 114         // even with task_on_all_desktop and with task_on_all_panel
 115         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 116         if (tsk->title)
 117                 free (tsk->title);
 118         if (tsk->icon) {
 119                 imlib_context_set_image(tsk->icon);
 120                 imlib_free_image();
 121                 imlib_context_set_image(tsk->icon_active);
 122                 imlib_free_image();
 123                 tsk->icon = tsk->icon_active = NULL;
 124         }
 125
 126         int i, j;
 127         Task *tsk2;
 128         Taskbar *tskbar;
 129         for (i=0 ; i < nb_panel ; i++) {
 130                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 131                         if (desktop != ALLDESKTOP && desktop != j) continue;
 132
 133                         GSList *l0;
 134                         tskbar = &panel1[i].taskbar[j];
 135                         for (l0 = tskbar->area.list; l0 ; ) {
 136                                 tsk2 = l0->data;
 137                                 l0 = l0->next;
 138                                 if (win == tsk2->win) {
 139                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 140                                         tskbar->area.resize = 1;
 141
 142                                         if (tsk2 == task_active)
 143                                                 task_active = 0;
 144                                         if (tsk2 == task_drag)
 145                                                 task_drag = 0;
 146
 147                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 148                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 149                                         free(tsk2);
 150                                 }
 151                         }
 152                 }
 153         }
 154 }
 155
 156
 157 void get_title(Task *tsk)
 158 {
 159         Panel *panel = tsk->area.panel;
 160         char *title, *name;
 161
 162         if (!panel->g_task.text && !g_tooltip.enabled) return;
 163
 164         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 165         if (!name || !strlen(name)) {
 166                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 167                 if (!name || !strlen(name)) {
 168                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 169                         if (!name || !strlen(name)) {
 170                                 name = malloc(10);
 171                                 strcpy(name, "Untitled");
 172                         }
 173                 }
 174         }
 175
 176         // add space before title
 177         title = malloc(strlen(name)+2);
 178         if (panel->g_task.icon) strcpy(title, " ");
 179         else title[0] = 0;
 180         strcat(title, name);
 181         if (name) XFree (name);
 182
 183         tsk->area.redraw = 1;
 184         if (tsk->title)
 185                 free(tsk->title);
 186         tsk->title = title;
 187 }
 188
 189
 190 void get_icon (Task *tsk)
 191 {
 192         Panel *panel = tsk->area.panel;
 193         if (!panel->g_task.icon) return;
 194         int i;
 195         Imlib_Image img = NULL;
 196         XWMHints *hints = 0;
 197         long *data = 0;
 198
 199         if (tsk->icon) {
 200                 imlib_context_set_image(tsk->icon);
 201                 imlib_free_image();
 202                 imlib_context_set_image(tsk->icon_active);
 203                 imlib_free_image();
 204                 tsk->icon = tsk->icon_active = NULL;
 205         }
 206         tsk->area.redraw = 1;
 207
 208         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 209         if (data) {
 210                 // get ARGB icon
 211                 int w, h;
 212                 long *tmp_data;
 213
 214                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 215
 216 #ifdef __x86_64__
 217                 DATA32 icon_data[w * h];
 218                 int length = w * h;
 219                 for (i = 0; i < length; ++i)
 220                         icon_data[i] =  tmp_data[i];
 221                 img = imlib_create_image_using_copied_data (w, h, icon_data);
 222 #else
 223                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 224 #endif
 225         }
 226         else {
 227                 // get Pixmap icon
 228                 hints = XGetWMHints(server.dsp, tsk->win);
 229                 if (hints) {
 230                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 231                                 // get width, height and depth for the pixmap
 232                                 Window root;
 233                                 int  icon_x, icon_y;
 234                                 uint border_width, bpp;
 235                                 uint w, h;
 236
 237                                 //printf("  get pixmap\n");
 238                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 239                                 imlib_context_set_drawable(hints->icon_pixmap);
 240                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 241                         }
 242                 }
 243         }
 244         if (img == NULL) {
 245                 imlib_context_set_image(default_icon);
 246                 img = imlib_clone_image();
 247         }
 248
 249         // transform icons
 250         imlib_context_set_image(img);
 251         imlib_image_set_has_alpha(1);
 252         int w, h;
 253         w = imlib_image_get_width();
 254         h = imlib_image_get_height();
 255         tsk->icon = imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 256         imlib_free_image();
 257
 258         imlib_context_set_image(tsk->icon);
 259         tsk->icon_width = imlib_image_get_width();
 260         tsk->icon_height = imlib_image_get_height();
 261         tsk->icon_active = imlib_clone_image();
 262
 263         DATA32 *data32;
 264         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 265                 data32 = imlib_image_get_data();
 266                 adjust_asb(data32, tsk->icon_width, tsk->icon_height, panel->g_task.alpha, (float)panel->g_task.saturation/100, (float)panel->g_task.brightness/100);
 267                 imlib_image_put_back_data(data32);
 268         }
 269
 270         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 271                 imlib_context_set_image(tsk->icon_active);
 272                 data32 = imlib_image_get_data();
 273                 adjust_asb(data32, tsk->icon_width, tsk->icon_height, panel->g_task.alpha_active, (float)panel->g_task.saturation_active/100, (float)panel->g_task.brightness_active/100);
 274                 imlib_image_put_back_data(data32);
 275         }
 276
 277         if (hints)
 278                 XFree(hints);
 279         if (data)
 280                 XFree (data);
 281 }
 282
 283
 284 void draw_task_icon (Task *tsk, int text_width, int active)
 285 {
 286         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 287
 288         // Find pos
 289         int pos_x;
 290         Panel *panel = (Panel*)tsk->area.panel;
 291         if (panel->g_task.centered) {
 292                 if (panel->g_task.text)
 293                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 294                 else
 295                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 296         }
 297         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 298
 299         // Render
 300         Pixmap *pmap;
 301         if (active == 0) {
 302                 imlib_context_set_image (tsk->icon);
 303                 pmap = &tsk->area.pix.pmap;
 304         }
 305         else {
 306                 imlib_context_set_image (tsk->icon_active);
 307                 pmap = &tsk->area.pix_active.pmap;
 308         }
 309         imlib_context_set_drawable (*pmap);
 310         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 311 }
 312
 313
 314 void draw_task (void *obj, cairo_t *c, int active)
 315 {
 316         Task *tsk = obj;
 317         PangoLayout *layout;
 318         config_color *config_text;
 319         int width=0, height;
 320         Panel *panel = (Panel*)tsk->area.panel;
 321
 322         if (panel->g_task.text) {
 323                 /* Layout */
 324                 layout = pango_cairo_create_layout (c);
 325                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 326                 pango_layout_set_text (layout, tsk->title, -1);
 327
 328                 /* Drawing width and Cut text */
 329                 // pango use U+22EF or U+2026
 330                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 331                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 332
 333                 /* Center text */
 334                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 335                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 336
 337                 pango_layout_get_pixel_size (layout, &width, &height);
 338
 339                 if (active) config_text = &panel->g_task.font_active;
 340                 else config_text = &panel->g_task.font;
 341
 342                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 343
 344                 pango_cairo_update_layout (c, layout);
 345                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 346                 pango_cairo_show_layout (c, layout);
 347
 348                 if (panel->g_task.font_shadow) {
 349                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 350                         pango_cairo_update_layout (c, layout);
 351                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 352                         pango_cairo_show_layout (c, layout);
 353                 }
 354                 g_object_unref (layout);
 355         }
 356
 357         if (panel->g_task.icon) {
 358                 // icon use same opacity as text
 359                 draw_task_icon (tsk, width, active);
 360         }
 361 }
 362
 363
 364 void active_task()
 365 {
 366         GSList *l0;
 367         int i, j;
 368         Task *tsk1, *tsk2;
 369
 370         if (task_active) {
 371                 for (i=0 ; i < nb_panel ; i++) {
 372                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 373                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 374                                         tsk1 = l0->data;
 375                                         tsk1->area.is_active = 0;
 376                                 }
 377                         }
 378                 }
 379                 task_active = 0;
 380         }
 381
 382         Window w1 = window_get_active ();
 383         //printf("Change active task %ld\n", w1);
 384
 385         tsk2 = task_get_task(w1);
 386         if (!tsk2) {
 387                 Window w2;
 388                 if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 389                         if (w2) tsk2 = task_get_task(w2);
 390         }
 391         if ( is_urgent(tsk2) ) {
 392                 del_urgent(tsk2);
 393         }
 394         // put active state on all task (multi_desktop)
 395         if (tsk2) {
 396                 for (i=0 ; i < nb_panel ; i++) {
 397                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 398                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 399                                         tsk1 = l0->data;
 400                                         if (tsk1->win == tsk2->win) {
 401                                                 tsk1->area.is_active = 1;
 402                                         }
 403                                 }
 404                         }
 405                 }
 406                 task_active = tsk2;
 407         }
 408 }
 409
 410
 411 void blink_urgent()
 412 {
 413         GSList* urgent_task = urgent_list;
 414         while (urgent_task) {
 415                 Task_urgent* t = urgent_task->data;
 416                 if ( t->tick < max_tick_urgent) {
 417                         t->tsk->area.is_active = !t->tsk->area.is_active;
 418                         t->tsk->area.redraw = 1;
 419                         t->tick++;
 420                 }
 421                 urgent_task = urgent_task->next;
 422         }
 423         panel_refresh = 1;
 424 }
 425
 426
 427 void add_urgent(Task *tsk)
 428 {
 429         // first check if task is already in the list and reset the counter
 430         GSList* urgent_task = urgent_list;
 431         while (urgent_task) {
 432                 Task_urgent* t = urgent_task->data;
 433                 if (t->tsk == tsk) {
 434                         t->tick = 0;
 435                         return;
 436                 }
 437                 urgent_task = urgent_task->next;
 438         }
 439
 440         // not yet in the list, so we have to add it
 441         Task_urgent* t = malloc(sizeof(Task_urgent));
 442         if (!t)
 443                 return;
 444         t->tsk = tsk;
 445         t->tick = 0;
 446         urgent_list = g_slist_prepend(urgent_list, t);
 447
 448         if (urgent_timer == 0)
 449                 urgent_timer = install_timer(0, 1000000, 1, 0, blink_urgent);
 450         else
 451                 reset_timer(urgent_timer, 0, 1000000, 1, 0);
 452 }
 453
 454
 455 void del_urgent(Task *tsk)
 456 {
 457         GSList* urgent_task = urgent_list;
 458         while (urgent_task) {
 459                 Task_urgent* t = urgent_task->data;
 460                 if (t->tsk == tsk) {
 461                         urgent_list = g_slist_remove(urgent_list, t);
 462                         free(t);
 463                         if (!urgent_list)
 464                                 reset_timer(urgent_timer, 0, 0, 0, 0);
 465                         return;
 466                 }
 467                 urgent_task = urgent_task->next;
 468         }
 469 }
 470
 471 int is_urgent(Task *tsk)
 472 {
 473         GSList* urgent_task = urgent_list;
 474         while (urgent_task) {
 475                 Task_urgent* t = urgent_task->data;
 476                 if (t->tsk == tsk)
 477                         return 1;
 478                 urgent_task = urgent_task->next;
 479         }
 480         return 0;
 481 }