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
  36
  37
  38 Task *add_task (Window win)
  39 {
  40         if (!win) return 0;
  41         if (window_is_hidden(win)) return 0;
  42
  43         int monitor;
  44
  45         Task new_tsk;
  46         new_tsk.win = win;
  47         new_tsk.desktop = window_get_desktop (win);
  48         if (nb_panel > 1) {
  49                 monitor = window_get_monitor (win);
  50                 if (monitor >= nb_panel) monitor = 0;
  51         }
  52         else monitor = 0;
  53         new_tsk.area.panel = &panel1[monitor];
  54
  55         // allocate only one title and one icon
  56         // even with task_on_all_desktop and with task_on_all_panel
  57         new_tsk.title = 0;
  58         new_tsk.icon = new_tsk.icon_active = NULL;
  59         get_title(&new_tsk);
  60         get_icon(&new_tsk);
  61
  62         //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  63         XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
  64
  65         Taskbar *tskbar;
  66         Task *new_tsk2=0;
  67         int i, j;
  68         for (i=0 ; i < nb_panel ; i++) {
  69                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
  70                         if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
  71                         if (nb_panel > 1 && panel1[i].monitor != monitor) continue;
  72
  73                         tskbar = &panel1[i].taskbar[j];
  74                         new_tsk2 = malloc(sizeof(Task));
  75                         memcpy(&new_tsk2->area, &panel1[i].g_task.area, sizeof(Area));
  76                         new_tsk2->area.parent = tskbar;
  77                         new_tsk2->win = new_tsk.win;
  78                         new_tsk2->desktop = new_tsk.desktop;
  79                         if (new_tsk2->desktop == ALLDESKTOP && server.desktop != j) {
  80                                 // hide ALLDESKTOP task on non-current desktop
  81                                 new_tsk2->area.on_screen = 0;
  82                         }
  83                         new_tsk2->title = new_tsk.title;
  84                         new_tsk2->icon = new_tsk.icon;
  85                         new_tsk2->icon_active = new_tsk.icon_active;
  86                         new_tsk2->icon_width = new_tsk.icon_width;
  87                         new_tsk2->icon_height = new_tsk.icon_height;
  88                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  89                         tskbar->area.resize = 1;
  90                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  91                 }
  92         }
  93         return new_tsk2;
  94 }
  95
  96
  97 void remove_task (Task *tsk)
  98 {
  99         if (!tsk) return;
 100
 101         Window win = tsk->win;
 102         int desktop = tsk->desktop;
 103
 104         if (g_tooltip.task == tsk) {
 105                 tooltip_hide();
 106                 alarm(0);
 107                 g_tooltip.task = 0;
 108         }
 109
 110         // free title and icon just for the first task
 111         // even with task_on_all_desktop and with task_on_all_panel
 112         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 113         if (tsk->title)
 114                 free (tsk->title);
 115         if (tsk->icon) {
 116                 imlib_context_set_image(tsk->icon);
 117                 imlib_free_image();
 118                 imlib_context_set_image(tsk->icon_active);
 119                 imlib_free_image();
 120                 tsk->icon = tsk->icon_active = NULL;
 121         }
 122
 123         int i, j;
 124         Task *tsk2;
 125         Taskbar *tskbar;
 126         for (i=0 ; i < nb_panel ; i++) {
 127                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 128                         if (desktop != ALLDESKTOP && desktop != j) continue;
 129
 130                         GSList *l0;
 131                         tskbar = &panel1[i].taskbar[j];
 132                         for (l0 = tskbar->area.list; l0 ; ) {
 133                                 tsk2 = l0->data;
 134                                 l0 = l0->next;
 135                                 if (win == tsk2->win) {
 136                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 137                                         tskbar->area.resize = 1;
 138
 139                                         if (tsk2 == task_active)
 140                                                 task_active = 0;
 141                                         if (tsk2 == task_drag)
 142                                                 task_drag = 0;
 143
 144                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 145                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 146                                         free(tsk2);
 147                                 }
 148                         }
 149                 }
 150         }
 151 }
 152
 153
 154 void get_title(Task *tsk)
 155 {
 156         Panel *panel = tsk->area.panel;
 157         char *title, *name;
 158
 159         if (!panel->g_task.text && !g_tooltip.enabled) return;
 160
 161         if (g_tooltip.task == tsk) {
 162                 tooltip_hide();
 163                 alarm(0);
 164                 g_tooltip.task = 0;
 165         }
 166
 167         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 168         if (!name || !strlen(name)) {
 169                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 170                 if (!name || !strlen(name)) {
 171                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 172                         if (!name || !strlen(name)) {
 173                                 name = malloc(10);
 174                                 strcpy(name, "Untitled");
 175                         }
 176                 }
 177         }
 178
 179         // add space before title
 180         title = malloc(strlen(name)+2);
 181         if (panel->g_task.icon) strcpy(title, " ");
 182         else title[0] = 0;
 183         strcat(title, name);
 184         if (name) XFree (name);
 185
 186         tsk->area.redraw = 1;
 187         if (tsk->title)
 188                 free(tsk->title);
 189         tsk->title = title;
 190 }
 191
 192
 193 void get_icon (Task *tsk)
 194 {
 195         Panel *panel = tsk->area.panel;
 196         if (!panel->g_task.icon) return;
 197         int i;
 198         Imlib_Image img = NULL;
 199         XWMHints *hints = 0;
 200         long *data = 0;
 201
 202         if (tsk->icon) {
 203                 imlib_context_set_image(tsk->icon);
 204                 imlib_free_image();
 205                 imlib_context_set_image(tsk->icon_active);
 206                 imlib_free_image();
 207                 tsk->icon = tsk->icon_active = NULL;
 208         }
 209         tsk->area.redraw = 1;
 210
 211         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 212         if (data) {
 213                 // get ARGB icon
 214                 int w, h;
 215                 long *tmp_data;
 216
 217                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 218
 219 #ifdef __x86_64__
 220                 DATA32 icon_data[w * h];
 221                 int length = w * h;
 222                 for (i = 0; i < length; ++i)
 223                         icon_data[i] =  tmp_data[i];
 224                 img = imlib_create_image_using_copied_data (w, h, icon_data);
 225 #else
 226                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 227 #endif
 228         }
 229         else {
 230                 // get Pixmap icon
 231                 hints = XGetWMHints(server.dsp, tsk->win);
 232                 if (hints) {
 233                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 234                                 // get width, height and depth for the pixmap
 235                                 Window root;
 236                                 int  icon_x, icon_y;
 237                                 uint border_width, bpp;
 238                                 uint w, h;
 239
 240                                 //printf("  get pixmap\n");
 241                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 242                                 imlib_context_set_drawable(hints->icon_pixmap);
 243                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 244                         }
 245                 }
 246         }
 247         if (img == NULL) {
 248                 imlib_context_set_image(default_icon);
 249                 img = imlib_clone_image();
 250         }
 251
 252         // transform icons
 253         imlib_context_set_image(img);
 254         imlib_image_set_has_alpha(1);
 255         int w, h;
 256         w = imlib_image_get_width();
 257         h = imlib_image_get_height();
 258         tsk->icon = imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 259         imlib_free_image();
 260
 261         imlib_context_set_image(tsk->icon);
 262         tsk->icon_width = imlib_image_get_width();
 263         tsk->icon_height = imlib_image_get_height();
 264         tsk->icon_active = imlib_clone_image();
 265
 266         DATA32 *data32;
 267         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 268                 data32 = imlib_image_get_data();
 269                 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);
 270                 imlib_image_put_back_data(data32);
 271         }
 272
 273         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 274                 imlib_context_set_image(tsk->icon_active);
 275                 data32 = imlib_image_get_data();
 276                 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);
 277                 imlib_image_put_back_data(data32);
 278         }
 279
 280         if (hints)
 281                 XFree(hints);
 282         if (data)
 283                 XFree (data);
 284 }
 285
 286
 287 void draw_task_icon (Task *tsk, int text_width, int active)
 288 {
 289         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 290
 291         // Find pos
 292         int pos_x;
 293         Panel *panel = (Panel*)tsk->area.panel;
 294         if (panel->g_task.centered) {
 295                 if (panel->g_task.text)
 296                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 297                 else
 298                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 299         }
 300         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 301
 302         // Render
 303         Pixmap *pmap;
 304         if (active == 0) {
 305                 imlib_context_set_image (tsk->icon);
 306                 pmap = &tsk->area.pix.pmap;
 307         }
 308         else {
 309                 imlib_context_set_image (tsk->icon_active);
 310                 pmap = &tsk->area.pix_active.pmap;
 311         }
 312         imlib_context_set_drawable (*pmap);
 313         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 314 }
 315
 316
 317 void draw_task (void *obj, cairo_t *c, int active)
 318 {
 319         Task *tsk = obj;
 320         PangoLayout *layout;
 321         config_color *config_text;
 322         int width=0, height;
 323         Panel *panel = (Panel*)tsk->area.panel;
 324
 325         if (panel->g_task.text) {
 326                 /* Layout */
 327                 layout = pango_cairo_create_layout (c);
 328                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 329                 pango_layout_set_text (layout, tsk->title, -1);
 330
 331                 /* Drawing width and Cut text */
 332                 // pango use U+22EF or U+2026
 333                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 334                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 335
 336                 /* Center text */
 337                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 338                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 339
 340                 pango_layout_get_pixel_size (layout, &width, &height);
 341
 342                 if (active) config_text = &panel->g_task.font_active;
 343                 else config_text = &panel->g_task.font;
 344
 345                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 346
 347                 pango_cairo_update_layout (c, layout);
 348                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 349                 pango_cairo_show_layout (c, layout);
 350
 351                 if (panel->g_task.font_shadow) {
 352                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 353                         pango_cairo_update_layout (c, layout);
 354                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 355                         pango_cairo_show_layout (c, layout);
 356                 }
 357                 g_object_unref (layout);
 358         }
 359
 360         if (panel->g_task.icon) {
 361                 // icon use same opacity as text
 362                 draw_task_icon (tsk, width, active);
 363         }
 364 }
 365
 366
 367 void active_task()
 368 {
 369         GSList *l0;
 370         int i, j;
 371         Task *tsk1, *tsk2;
 372
 373         if (task_active) {
 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                                         tsk1->area.is_active = 0;
 379                                 }
 380                         }
 381                 }
 382                 task_active = 0;
 383         }
 384
 385         Window w1 = window_get_active ();
 386         tsk2 = task_get_task(w1);
 387         if (!tsk2) {
 388                 Window w2;
 389                 if (XGetTransientForHint(server.dsp, w1, &w2) != 0)
 390                         if (w2) tsk2 = task_get_task(w2);
 391         }
 392         if (task_urgent == tsk2) {
 393                 init_precision();
 394                 task_urgent = 0;
 395         }
 396         // put active state on all task (multi_desktop)
 397         if (tsk2) {
 398                 for (i=0 ; i < nb_panel ; i++) {
 399                         for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 400                                 for (l0 = panel1[i].taskbar[j].area.list; l0 ; l0 = l0->next) {
 401                                         tsk1 = l0->data;
 402                                         if (tsk1->win == tsk2->win) {
 403                                                 tsk1->area.is_active = 1;
 404                                         }
 405                                 }
 406                         }
 407                 }
 408                 task_active = tsk2;
 409         }
 410 }
 411