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
  29 #include "window.h"
  30 #include "task.h"
  31 #include "server.h"
  32 #include "panel.h"
  33 #include "tooltip.h"
  34
  35
  36
  37 Task *add_task (Window win)
  38 {
  39         if (!win) return 0;
  40         if (window_is_hidden(win)) return 0;
  41
  42         int monitor;
  43
  44         Task new_tsk;
  45         new_tsk.win = win;
  46         new_tsk.area.panel = &panel1[0];
  47         new_tsk.desktop = window_get_desktop (win);
  48         if (nb_panel > 1) monitor = window_get_monitor (win);
  49         else monitor = 0;
  50
  51         // allocate only one title and one icon
  52         // even with task_on_all_desktop and with task_on_all_panel
  53         new_tsk.title = 0;
  54         new_tsk.icon_data = 0;
  55         new_tsk.icon_data_active = 0;
  56         get_title(&new_tsk);
  57         get_icon(&new_tsk);
  58
  59         //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  60         XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
  61
  62         Taskbar *tskbar;
  63         Task *new_tsk2=0;
  64         int i, j;
  65         for (i=0 ; i < nb_panel ; i++) {
  66                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
  67                         if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
  68                         if (nb_panel > 1 && panel1[i].monitor != monitor) continue;
  69
  70                         tskbar = &panel1[i].taskbar[j];
  71                         new_tsk2 = malloc(sizeof(Task));
  72                         memcpy(&new_tsk2->area, &panel1[i].g_task.area, sizeof(Area));
  73                         new_tsk2->area.parent = tskbar;
  74                         new_tsk2->win = new_tsk.win;
  75                         new_tsk2->desktop = new_tsk.desktop;
  76                         new_tsk2->title = new_tsk.title;
  77                         new_tsk2->icon_data = new_tsk.icon_data;
  78                         new_tsk2->icon_data_active = new_tsk.icon_data_active;
  79                         new_tsk2->icon_width = new_tsk.icon_width;
  80                         new_tsk2->icon_height = new_tsk.icon_height;
  81                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  82                         tskbar->area.resize = 1;
  83                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  84                 }
  85         }
  86         return new_tsk2;
  87 }
  88
  89
  90 void remove_task (Task *tsk)
  91 {
  92         if (!tsk) return;
  93
  94         Window win = tsk->win;
  95         int desktop = tsk->desktop;
  96
  97         // free title and icon just for the first task
  98         // even with task_on_all_desktop and with task_on_all_panel
  99         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 100         if (tsk->title)
 101                 free (tsk->title);
 102         if (tsk->icon_data) {
 103                 free (tsk->icon_data);
 104                 free (tsk->icon_data_active);
 105         }
 106
 107         int i, j;
 108         Task *tsk2;
 109         Taskbar *tskbar;
 110         for (i=0 ; i < nb_panel ; i++) {
 111                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 112                         if (desktop != ALLDESKTOP && desktop != j) continue;
 113
 114                         GSList *l0;
 115                         tskbar = &panel1[i].taskbar[j];
 116                         for (l0 = tskbar->area.list; l0 ; ) {
 117                                 tsk2 = l0->data;
 118                                 l0 = l0->next;
 119                                 if (win == tsk2->win) {
 120                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 121                                         tskbar->area.resize = 1;
 122
 123                                         if (tsk2 == task_active)
 124                                                 task_active = 0;
 125                                         if (tsk2 == task_drag)
 126                                                 task_drag = 0;
 127
 128                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 129                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 130                                         free(tsk2);
 131                                 }
 132                         }
 133                 }
 134         }
 135 }
 136
 137
 138 void get_title(Task *tsk)
 139 {
 140         Panel *panel = tsk->area.panel;
 141         char *title, *name;
 142
 143         if (!panel->g_task.text && !g_tooltip.enabled) return;
 144
 145         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 146         if (!name || !strlen(name)) {
 147                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 148                 if (!name || !strlen(name)) {
 149                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 150                         if (!name || !strlen(name)) {
 151                                 name = malloc(10);
 152                                 strcpy(name, "Untitled");
 153                         }
 154                 }
 155         }
 156
 157         // add space before title
 158         title = malloc(strlen(name)+2);
 159         if (panel->g_task.icon) strcpy(title, " ");
 160         else title[0] = 0;
 161         strcat(title, name);
 162         if (name) XFree (name);
 163
 164         tsk->area.redraw = 1;
 165         if (tsk->title)
 166                 free(tsk->title);
 167         tsk->title = title;
 168 }
 169
 170
 171 void get_icon (Task *tsk)
 172 {
 173         Panel *panel = tsk->area.panel;
 174         if (!panel->g_task.icon) return;
 175         unsigned int w, h, num;
 176         long *data;
 177
 178         if (tsk->icon_data) {
 179                 free (tsk->icon_data);
 180                 free (tsk->icon_data_active);
 181                 tsk->icon_data = tsk->icon_data_active = 0;
 182         }
 183         tsk->area.redraw = 1;
 184
 185         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
 186         if (data) {
 187                 // get ARGB icon
 188                 long *tmp_data;
 189                 tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, panel->g_task.icon_size1);
 190
 191                 tsk->icon_width = w;
 192                 tsk->icon_height = h;
 193                 // DATA32 is provided by imlib2
 194                 tsk->icon_data = malloc (w * h * sizeof (DATA32));
 195
 196                 if (tsk->icon_data) {
 197 #ifdef __x86_64__
 198                         int i, length = w * h;
 199                         for (i = 0; i < length; ++i)
 200                                 tsk->icon_data[i] =  tmp_data[i];
 201 #else
 202                         memcpy (tsk->icon_data, tmp_data, w * h * sizeof (DATA32));
 203 #endif
 204                 }
 205                 XFree (data);
 206         }
 207         else {
 208                 // get Pixmap icon
 209                 XWMHints *hints = XGetWMHints(server.dsp, tsk->win);
 210                 Imlib_Image  img;
 211                 if (hints) {
 212                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 213                                 // get width, height and depth for the pixmap
 214                                 Window root;
 215                                 int  icon_x, icon_y;
 216                                 uint border_width, bpp;
 217
 218                                 // printf("  get pixmap\n");
 219                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 220                                 imlib_context_set_drawable(hints->icon_pixmap);
 221                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 222                                 imlib_context_set_image(img);
 223                         }
 224                         else
 225                                 imlib_context_set_image(default_icon);
 226                 }
 227                 else
 228                         imlib_context_set_image(default_icon);
 229                 data = imlib_image_get_data();
 230                 tsk->icon_width = imlib_image_get_width();
 231                 tsk->icon_height = imlib_image_get_height();
 232                 tsk->icon_data = malloc (tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 233                 if (tsk->icon_data)
 234                         memcpy (tsk->icon_data, data, tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 235                 if (imlib_context_get_image() == img)
 236                         imlib_free_image();
 237                 XFree(hints);
 238         }
 239
 240         if (tsk->icon_data) {
 241                 tsk->icon_data_active = malloc (tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 242                 memcpy (tsk->icon_data_active, tsk->icon_data, tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 243
 244                 if (panel->g_task.hue != 0 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 245                         adjust_hsb(tsk->icon_data, tsk->icon_width, tsk->icon_height, (float)panel->g_task.hue/100, (float)panel->g_task.saturation/100, (float)panel->g_task.brightness/100);
 246                 }
 247                 if (panel->g_task.hue_active != 0 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 248                         adjust_hsb(tsk->icon_data_active, tsk->icon_width, tsk->icon_height, (float)panel->g_task.hue_active/100, (float)panel->g_task.saturation_active/100, (float)panel->g_task.brightness_active/100);
 249                 }
 250         }
 251 }
 252
 253
 254 void draw_task_icon (Task *tsk, int text_width, int active)
 255 {
 256         if (tsk->icon_data == 0 || tsk->icon_data_active == 0) return;
 257
 258         Pixmap *pmap = (active == 0) ? (&tsk->area.pix.pmap) : (&tsk->area.pix_active.pmap);
 259         unsigned int *icon_data = (active == 0) ? (tsk->icon_data) : (tsk->icon_data_active);
 260
 261         // Find pos
 262         int pos_x;
 263         Panel *panel = (Panel*)tsk->area.panel;
 264         if (panel->g_task.centered) {
 265                 if (panel->g_task.text)
 266                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 267                 else
 268                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 269         }
 270         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 271
 272         // Render
 273         Imlib_Image icon;
 274         Imlib_Color_Modifier cmod;
 275         DATA8 red[256], green[256], blue[256], alpha[256];
 276
 277         icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, icon_data);
 278         imlib_context_set_image (icon);
 279         imlib_context_set_drawable (*pmap);
 280
 281         cmod = imlib_create_color_modifier ();
 282         imlib_context_set_color_modifier (cmod);
 283         imlib_image_set_has_alpha (1);
 284         imlib_get_color_modifier_tables (red, green, blue, alpha);
 285
 286         int i, opacity;
 287         opacity = (active == 0) ? (255*panel->g_task.font.alpha) : (255*panel->g_task.font_active.alpha);
 288         for (i = 127; i < 256; i++) alpha[i] = opacity;
 289
 290         imlib_set_color_modifier_tables (red, green, blue, alpha);
 291
 292         //imlib_render_image_on_drawable (pos_x, pos_y);
 293         imlib_render_image_on_drawable_at_size (pos_x, panel->g_task.icon_posy, panel->g_task.icon_size1, panel->g_task.icon_size1);
 294
 295         imlib_free_color_modifier ();
 296         imlib_free_image ();
 297 }
 298
 299
 300 void draw_task (void *obj, cairo_t *c, int active)
 301 {
 302         Task *tsk = obj;
 303         PangoLayout *layout;
 304         config_color *config_text;
 305         int width=0, height;
 306         Panel *panel = (Panel*)tsk->area.panel;
 307
 308         if (panel->g_task.text) {
 309                 /* Layout */
 310                 layout = pango_cairo_create_layout (c);
 311                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 312                 pango_layout_set_text (layout, tsk->title, -1);
 313
 314                 /* Drawing width and Cut text */
 315                 // pango use U+22EF or U+2026
 316                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 317                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 318
 319                 /* Center text */
 320                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 321                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 322
 323                 pango_layout_get_pixel_size (layout, &width, &height);
 324
 325                 if (active) config_text = &panel->g_task.font_active;
 326                 else config_text = &panel->g_task.font;
 327
 328                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 329
 330                 pango_cairo_update_layout (c, layout);
 331                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 332                 pango_cairo_show_layout (c, layout);
 333
 334                 if (panel->g_task.font_shadow) {
 335                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 336                         pango_cairo_update_layout (c, layout);
 337                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 338                         pango_cairo_show_layout (c, layout);
 339                 }
 340                 g_object_unref (layout);
 341         }
 342
 343         if (panel->g_task.icon) {
 344                 // icon use same opacity as text
 345                 draw_task_icon (tsk, width, active);
 346         }
 347 }
 348
 349