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 const struct timeout* urgent_timeout = 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         if (window_is_urgent(win))
 103                 add_urgent(new_tsk2);
 104         return new_tsk2;
 105 }
 106
 107
 108 void remove_task (Task *tsk)
 109 {
 110         if (!tsk) return;
 111
 112         Window win = tsk->win;
 113         int desktop = tsk->desktop;
 114
 115         // free title and icon just for the first task
 116         // even with task_on_all_desktop and with task_on_all_panel
 117         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 118         if (tsk->title)
 119                 free (tsk->title);
 120         if (tsk->icon) {
 121                 imlib_context_set_image(tsk->icon);
 122                 imlib_free_image();
 123                 imlib_context_set_image(tsk->icon_active);
 124                 imlib_free_image();
 125                 tsk->icon = tsk->icon_active = NULL;
 126         }
 127
 128         int i, j;
 129         Task *tsk2;
 130         Taskbar *tskbar;
 131         for (i=0 ; i < nb_panel ; i++) {
 132                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 133                         if (desktop != ALLDESKTOP && desktop != j) continue;
 134
 135                         GSList *l0;
 136                         tskbar = &panel1[i].taskbar[j];
 137                         for (l0 = tskbar->area.list; l0 ; ) {
 138                                 tsk2 = l0->data;
 139                                 l0 = l0->next;
 140                                 if (win == tsk2->win) {
 141                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 142                                         tskbar->area.resize = 1;
 143
 144                                         if (tsk2 == task_active)
 145                                                 task_active = 0;
 146                                         if (tsk2 == task_drag)
 147                                                 task_drag = 0;
 148                                         if (is_urgent(tsk2))
 149                                                 del_urgent(tsk2);
 150
 151                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 152                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 153                                         free(tsk2);
 154                                 }
 155                         }
 156                 }
 157         }
 158 }
 159
 160
 161 void get_title(Task *tsk)
 162 {
 163         Panel *panel = tsk->area.panel;
 164         char *title, *name;
 165
 166         if (!panel->g_task.text && !g_tooltip.enabled) return;
 167
 168         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 169         if (!name || !strlen(name)) {
 170                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 171                 if (!name || !strlen(name)) {
 172                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 173                         if (!name || !strlen(name)) {
 174                                 name = malloc(10);
 175                                 strcpy(name, "Untitled");
 176                         }
 177                 }
 178         }
 179
 180         // add space before title
 181         title = malloc(strlen(name)+2);
 182         if (panel->g_task.icon) strcpy(title, " ");
 183         else title[0] = 0;
 184         strcat(title, name);
 185         if (name) XFree (name);
 186
 187         tsk->area.redraw = 1;
 188         if (tsk->title)
 189                 free(tsk->title);
 190         tsk->title = title;
 191 }
 192
 193
 194 void get_icon (Task *tsk)
 195 {
 196         Panel *panel = tsk->area.panel;
 197         if (!panel->g_task.icon) return;
 198         int i;
 199         Imlib_Image img = NULL;
 200         XWMHints *hints = 0;
 201         long *data = 0;
 202
 203         if (tsk->icon) {
 204                 imlib_context_set_image(tsk->icon);
 205                 imlib_free_image();
 206                 imlib_context_set_image(tsk->icon_active);
 207                 imlib_free_image();
 208                 tsk->icon = tsk->icon_active = NULL;
 209         }
 210         tsk->area.redraw = 1;
 211
 212         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 213         if (data) {
 214                 // get ARGB icon
 215                 int w, h;
 216                 long *tmp_data;
 217
 218                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 219
 220 #ifdef __x86_64__
 221                 DATA32 icon_data[w * h];
 222                 int length = w * h;
 223                 for (i = 0; i < length; ++i)
 224                         icon_data[i] =  tmp_data[i];
 225                 img = imlib_create_image_using_copied_data (w, h, icon_data);
 226 #else
 227                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 228 #endif
 229         }
 230         else {
 231                 // get Pixmap icon
 232                 hints = XGetWMHints(server.dsp, tsk->win);
 233                 if (hints) {
 234                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 235                                 // get width, height and depth for the pixmap
 236                                 Window root;
 237                                 int  icon_x, icon_y;
 238                                 uint border_width, bpp;
 239                                 uint w, h;
 240
 241                                 //printf("  get pixmap\n");
 242                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 243                                 imlib_context_set_drawable(hints->icon_pixmap);
 244                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 245                         }
 246                 }
 247         }
 248         if (img == NULL) {
 249                 imlib_context_set_image(default_icon);
 250                 img = imlib_clone_image();
 251         }
 252
 253         // transform icons
 254         imlib_context_set_image(img);
 255         imlib_image_set_has_alpha(1);
 256         int w, h;
 257         w = imlib_image_get_width();
 258         h = imlib_image_get_height();
 259         tsk->icon = imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 260         imlib_free_image();
 261
 262         imlib_context_set_image(tsk->icon);
 263         tsk->icon_width = imlib_image_get_width();
 264         tsk->icon_height = imlib_image_get_height();
 265         tsk->icon_active = imlib_clone_image();
 266
 267         DATA32 *data32;
 268         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 269                 data32 = imlib_image_get_data();
 270                 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);
 271                 imlib_image_put_back_data(data32);
 272         }
 273
 274         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 275                 imlib_context_set_image(tsk->icon_active);
 276                 data32 = imlib_image_get_data();
 277                 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);
 278                 imlib_image_put_back_data(data32);
 279         }
 280
 281         if (hints)
 282                 XFree(hints);
 283         if (data)
 284                 XFree (data);
 285 }
 286
 287
 288 void draw_task_icon (Task *tsk, int text_width, int active)
 289 {
 290         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 291
 292         // Find pos
 293         int pos_x;
 294         Panel *panel = (Panel*)tsk->area.panel;
 295         if (panel->g_task.centered) {
 296                 if (panel->g_task.text)
 297                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 298                 else
 299                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 300         }
 301         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 302
 303         // Render
 304         Pixmap *pmap;
 305         if (active == 0) {
 306                 imlib_context_set_image (tsk->icon);
 307                 pmap = &tsk->area.pix.pmap;
 308         }
 309         else {
 310                 imlib_context_set_image (tsk->icon_active);
 311                 pmap = &tsk->area.pix_active.pmap;
 312         }
 313         imlib_context_set_drawable (*pmap);
 314         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 315 }
 316
 317
 318 void draw_task (void *obj, cairo_t *c, int active)
 319 {
 320         Task *tsk = obj;
 321         PangoLayout *layout;
 322         config_color *config_text;
 323         int width=0, height;
 324         Panel *panel = (Panel*)tsk->area.panel;
 325
 326         if (panel->g_task.text) {
 327                 /* Layout */
 328                 layout = pango_cairo_create_layout (c);
 329                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 330                 pango_layout_set_text (layout, tsk->title, -1);
 331
 332                 /* Drawing width and Cut text */
 333                 // pango use U+22EF or U+2026
 334                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 335                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 336
 337                 /* Center text */
 338                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 339                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 340
 341                 pango_layout_get_pixel_size (layout, &width, &height);
 342
 343                 if (active) config_text = &panel->g_task.font_active;
 344                 else config_text = &panel->g_task.font;
 345
 346                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 347
 348                 pango_cairo_update_layout (c, layout);
 349                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 350                 pango_cairo_show_layout (c, layout);
 351
 352                 if (panel->g_task.font_shadow) {
 353                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 354                         pango_cairo_update_layout (c, layout);
 355                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 356                         pango_cairo_show_layout (c, layout);
 357                 }
 358                 g_object_unref (layout);
 359         }
 360
 361         if (panel->g_task.icon) {
 362                 // icon use same opacity as text
 363                 draw_task_icon (tsk, width, active);
 364         }
 365 }
 366
 367
 368 Task *next_task(Task *tsk)
 369 {
 370         GSList *l0;
 371         int i, j;
 372         Task *tsk1;
 373
 374         for (i=0 ; i < nb_panel ; i++) {
 375                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 376                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 377                                 tsk1 = l0->data;
 378                                 if (tsk1 == tsk) {
 379                                         if (l0->next == NULL) l0 = panel1[i].taskbar[j].area.list;
 380                                         else l0 = l0->next;
 381                                         return l0->data;
 382                                 }
 383                         }
 384                 }
 385         }
 386
 387         return NULL;
 388 }
 389
 390 Task *prev_task(Task *tsk)
 391 {
 392         GSList *l0;
 393         int i, j;
 394         Task *tsk1, *tsk2;
 395
 396         for (i=0 ; i < nb_panel ; i++) {
 397                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 398                         tsk2 = NULL;
 399                         for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 400                                 tsk1 = l0->data;
 401                                 if (tsk1 == tsk) {
 402                                         if (l0 == panel1[i].taskbar[j].area.list) {
 403                                                 l0 = g_slist_last ( l0 );
 404                                                 tsk2 = l0->data;
 405                                         }
 406                                         return tsk2;
 407                                 }
 408                                 tsk2 = tsk1;
 409                         }
 410                 }
 411         }
 412
 413         return NULL;
 414 }
 415
 416
 417 void active_task()
 418 {
 419         GSList *l0;
 420         int i, j;
 421         Task *tsk1, *tsk2;
 422
 423         if (task_active) {
 424                 for (i=0 ; i < nb_panel ; i++) {
 425                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 426                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 427                                         tsk1 = l0->data;
 428                                         tsk1->area.is_active = 0;
 429                                 }
 430                         }
 431                 }
 432                 task_active = 0;
 433         }
 434
 435         Window w1 = window_get_active ();
 436         //printf("Change active task %ld\n", w1);
 437
 438         tsk2 = task_get_task(w1);
 439         if (!tsk2) {
 440                 Window w2;
 441                 if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 442                         if (w2) tsk2 = task_get_task(w2);
 443         }
 444         if ( is_urgent(tsk2) ) {
 445                 del_urgent(tsk2);
 446         }
 447         // put active state on all task (multi_desktop)
 448         if (tsk2) {
 449                 for (i=0 ; i < nb_panel ; i++) {
 450                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 451                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 452                                         tsk1 = l0->data;
 453                                         if (tsk1->win == tsk2->win) {
 454                                                 tsk1->area.is_active = 1;
 455                                         }
 456                                 }
 457                         }
 458                 }
 459                 task_active = tsk2;
 460         }
 461 }
 462
 463
 464 void blink_urgent()
 465 {
 466         GSList* urgent_task = urgent_list;
 467         while (urgent_task) {
 468                 Task_urgent* t = urgent_task->data;
 469                 if ( t->tick < max_tick_urgent) {
 470                         t->tsk->area.is_active = !t->tsk->area.is_active;
 471                         t->tsk->area.redraw = 1;
 472                         t->tick++;
 473                 }
 474                 urgent_task = urgent_task->next;
 475         }
 476         panel_refresh = 1;
 477 }
 478
 479
 480 void add_urgent(Task *tsk)
 481 {
 482         if (!tsk)
 483                 return;
 484
 485         // some programs set urgency hint although they are active
 486         if ( task_active && task_active->win == tsk->win )
 487                 return;
 488
 489         // first check if task is already in the list and reset the counter
 490         GSList* urgent_task = urgent_list;
 491         while (urgent_task) {
 492                 Task_urgent* t = urgent_task->data;
 493                 if (t->tsk == tsk) {
 494                         t->tick = 0;
 495                         return;
 496                 }
 497                 urgent_task = urgent_task->next;
 498         }
 499
 500         // not yet in the list, so we have to add it
 501         Task_urgent* t = malloc(sizeof(Task_urgent));
 502         if (!t)
 503                 return;
 504         t->tsk = tsk;
 505         t->tick = 0;
 506         urgent_list = g_slist_prepend(urgent_list, t);
 507
 508         if (urgent_timeout == 0)
 509                 urgent_timeout = add_timeout(10, 1000, blink_urgent);
 510 }
 511
 512
 513 void del_urgent(Task *tsk)
 514 {
 515         GSList* urgent_task = urgent_list;
 516         while (urgent_task) {
 517                 Task_urgent* t = urgent_task->data;
 518                 if (t->tsk == tsk) {
 519                         urgent_list = g_slist_remove(urgent_list, t);
 520                         free(t);
 521                         if (!urgent_list) {
 522                                 stop_timeout(urgent_timeout);
 523                                 urgent_timeout = 0;
 524                         }
 525                         return;
 526                 }
 527                 urgent_task = urgent_task->next;
 528         }
 529 }
 530
 531 int is_urgent(Task *tsk)
 532 {
 533         if (!tsk)
 534                 return 0;
 535         GSList* urgent_task = urgent_list;
 536         while (urgent_task) {
 537                 Task_urgent* t = urgent_task->data;
 538                 if (t->tsk == tsk)
 539                         return 1;
 540                 urgent_task = urgent_task->next;
 541         }
 542         return 0;
 543 }