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 <Imlib2.h>
  29
  30 #include "window.h"
  31 #include "task.h"
  32 #include "server.h"
  33 #include "panel.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         get_title(&new_tsk);
  56         get_icon(&new_tsk);
  57
  58         //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  59         XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
  60
  61         Taskbar *tskbar;
  62         Task *new_tsk2=0;
  63         int i, j;
  64         for (i=0 ; i < nb_panel ; i++) {
  65                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
  66                         if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
  67                         if (nb_panel > 1 && panel1[i].monitor != monitor) continue;
  68
  69                         tskbar = &panel1[i].taskbar[j];
  70                         new_tsk2 = malloc(sizeof(Task));
  71                         memcpy(&new_tsk2->area, &panel1[i].g_task.area, sizeof(Area));
  72                         new_tsk2->area.parent = tskbar;
  73                         new_tsk2->win = new_tsk.win;
  74                         new_tsk2->desktop = new_tsk.desktop;
  75                         new_tsk2->title = new_tsk.title;
  76                         new_tsk2->icon_data = new_tsk.icon_data;
  77                         new_tsk2->icon_width = new_tsk.icon_width;
  78                         new_tsk2->icon_height = new_tsk.icon_height;
  79                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  80                         tskbar->area.resize = 1;
  81                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  82                 }
  83         }
  84         return new_tsk2;
  85 }
  86
  87
  88 void remove_task (Task *tsk)
  89 {
  90         if (!tsk) return;
  91
  92         Window win = tsk->win;
  93         int desktop = tsk->desktop;
  94
  95         // free title and icon just for the first task
  96         // even with task_on_all_desktop and with task_on_all_panel
  97         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
  98         if (tsk->title)
  99                 free (tsk->title);
 100         if (tsk->icon_data)
 101                 free (tsk->icon_data);
 102
 103         int i, j;
 104         Task *tsk2;
 105         Taskbar *tskbar;
 106         for (i=0 ; i < nb_panel ; i++) {
 107                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 108                         if (desktop != ALLDESKTOP && desktop != j) continue;
 109
 110                         GSList *l0;
 111                         tskbar = &panel1[i].taskbar[j];
 112                         for (l0 = tskbar->area.list; l0 ; ) {
 113                                 tsk2 = l0->data;
 114                                 l0 = l0->next;
 115                                 if (win == tsk2->win) {
 116                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 117                                         tskbar->area.resize = 1;
 118
 119                                         if (tsk2 == task_active)
 120                                                 task_active = 0;
 121                                         if (tsk2 == task_drag)
 122                                                 task_drag = 0;
 123
 124                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 125                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 126                                         free(tsk2);
 127                                 }
 128                         }
 129                 }
 130         }
 131 }
 132
 133
 134 void get_title(Task *tsk)
 135 {
 136         Panel *panel = tsk->area.panel;
 137         char *title, *name;
 138
 139         if (!panel->g_task.text) return;
 140
 141         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 142         if (!name || !strlen(name)) {
 143                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 144                 if (!name || !strlen(name)) {
 145                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 146                         if (!name || !strlen(name)) {
 147                                 name = malloc(10);
 148                                 strcpy(name, "Untitled");
 149                         }
 150                 }
 151         }
 152
 153         // add space before title
 154         title = malloc(strlen(name)+2);
 155         if (panel->g_task.icon) strcpy(title, " ");
 156         else title[0] = 0;
 157         strcat(title, name);
 158         if (name) XFree (name);
 159
 160         tsk->area.redraw = 1;
 161         if (tsk->title)
 162                 free(tsk->title);
 163         tsk->title = title;
 164 }
 165
 166
 167 void get_icon (Task *tsk)
 168 {
 169         Panel *panel = tsk->area.panel;
 170         if (!panel->g_task.icon) return;
 171
 172         if (tsk->icon_data) {
 173                 free (tsk->icon_data);
 174                 tsk->icon_data = 0;
 175         }
 176         tsk->area.redraw = 1;
 177
 178         long *data;
 179         int num;
 180         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
 181         if (data) {
 182                 // get ARGB icon
 183                 int w, h;
 184                 long *tmp_data;
 185                 tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, panel->g_task.icon_size1);
 186
 187                 tsk->icon_width = w;
 188                 tsk->icon_height = h;
 189                 // DATA32 is provided by imlib2
 190                 tsk->icon_data = malloc (w * h * sizeof (DATA32));
 191
 192 #ifdef __x86_64__
 193                 int length = tsk->icon_width * tsk->icon_height;
 194                 int i;
 195                 for (i = 0; i < length; ++i)
 196                         tsk->icon_data[i] =  tmp_data[i];
 197 #else
 198                 memcpy (tsk->icon_data, tmp_data, w * h * sizeof (DATA32));
 199 #endif
 200
 201                 XFree (data);
 202    }
 203    else {
 204       // get Pixmap icon
 205       XWMHints *hints = XGetWMHints(server.dsp, tsk->win);
 206       if (hints) {
 207          if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 208                 // get width, height and depth for the pixmap
 209                                 Window root;
 210                                 int  icon_x, icon_y;
 211                                 uint border_width, bpp;
 212                                 uint icon_width, icon_height;
 213
 214                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &icon_width, &icon_height, &border_width, &bpp);
 215
 216                       //printf("  get_pixmap\n");
 217                       Imlib_Image  img;
 218                                 imlib_context_set_drawable(hints->icon_pixmap);
 219                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, icon_width, icon_height, 0);
 220                                 imlib_context_set_image(img);
 221                                 unsigned int *data = imlib_image_get_data();
 222                                 if (!data) {
 223                                         return;
 224                                 }
 225                                 tsk->icon_width = imlib_image_get_width();
 226                                 tsk->icon_height = imlib_image_get_height();
 227                                 tsk->icon_data = malloc (tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 228                                 memcpy (tsk->icon_data, data, tsk->icon_width * tsk->icon_height * sizeof (DATA32));
 229                                 imlib_free_image();
 230                         }
 231          XFree(hints);
 232                 }
 233    }
 234 }
 235
 236
 237 void draw_task_icon (Task *tsk, int text_width, int active)
 238 {
 239         if (tsk->icon_data == 0) return;
 240
 241         Pixmap *pmap = (active == 0) ? (&tsk->area.pix.pmap) : (&tsk->area.pix_active.pmap);
 242
 243         /* Find pos */
 244         int pos_x;
 245         Panel *panel = (Panel*)tsk->area.panel;
 246         if (panel->g_task.centered) {
 247                 if (panel->g_task.text)
 248                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 249                 else
 250                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 251         }
 252         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 253
 254         /* Render */
 255         Imlib_Image icon;
 256         Imlib_Color_Modifier cmod;
 257         DATA8 red[256], green[256], blue[256], alpha[256];
 258
 259         icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, tsk->icon_data);
 260         imlib_context_set_image (icon);
 261         imlib_context_set_drawable (*pmap);
 262
 263         cmod = imlib_create_color_modifier ();
 264         imlib_context_set_color_modifier (cmod);
 265         imlib_image_set_has_alpha (1);
 266         imlib_get_color_modifier_tables (red, green, blue, alpha);
 267
 268         int i, opacity;
 269         opacity = (active == 0) ? (255*panel->g_task.font.alpha) : (255*panel->g_task.font_active.alpha);
 270         for (i = 127; i < 256; i++) alpha[i] = opacity;
 271
 272         imlib_set_color_modifier_tables (red, green, blue, alpha);
 273
 274         //imlib_render_image_on_drawable (pos_x, pos_y);
 275         imlib_render_image_on_drawable_at_size (pos_x, panel->g_task.icon_posy, panel->g_task.icon_size1, panel->g_task.icon_size1);
 276
 277         imlib_free_color_modifier ();
 278         imlib_free_image ();
 279 }
 280
 281
 282 void draw_task (void *obj, cairo_t *c, int active)
 283 {
 284         Task *tsk = obj;
 285         PangoLayout *layout;
 286         config_color *config_text;
 287         int width=0, height;
 288         Panel *panel = (Panel*)tsk->area.panel;
 289
 290         if (panel->g_task.text) {
 291                 /* Layout */
 292                 layout = pango_cairo_create_layout (c);
 293                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 294                 pango_layout_set_text (layout, tsk->title, -1);
 295
 296                 /* Drawing width and Cut text */
 297                 // pango use U+22EF or U+2026
 298                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 299                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 300
 301                 /* Center text */
 302                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 303                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 304
 305                 pango_layout_get_pixel_size (layout, &width, &height);
 306
 307                 if (active) config_text = &panel->g_task.font_active;
 308                 else config_text = &panel->g_task.font;
 309
 310                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 311
 312                 pango_cairo_update_layout (c, layout);
 313                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 314                 pango_cairo_show_layout (c, layout);
 315
 316                 if (panel->g_task.font_shadow) {
 317                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 318                         pango_cairo_update_layout (c, layout);
 319                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 320                         pango_cairo_show_layout (c, layout);
 321                 }
 322                 g_object_unref (layout);
 323         }
 324
 325         if (panel->g_task.icon) {
 326                 // icon use same opacity as text
 327                 draw_task_icon (tsk, width, active);
 328         }
 329 }
 330