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 void add_task (Window win)
  38 {
  39    Task *new_tsk;
  40    int desktop, monitor;
  41
  42    if (!win) return;
  43    if (window_is_hidden (win) || win == window.main_win) return;
  44
  45    new_tsk = malloc(sizeof(Task));
  46    new_tsk->win = win;
  47    new_tsk->title = 0;
  48    new_tsk->icon_data = 0;
  49
  50    get_icon(new_tsk);
  51    get_title(new_tsk);
  52    memcpy(&new_tsk->area, &g_task.area, sizeof(Area));
  53    desktop = window_get_desktop (new_tsk->win);
  54    monitor = window_get_monitor (new_tsk->win);
  55
  56    //if (panel.mode == MULTI_MONITOR) monitor = window_get_monitor (new_tsk->win);
  57    //else monitor = 0;
  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    if (desktop == 0xFFFFFFFF) {
  63       tskbar = &panel.taskbar[index(0, monitor)];
  64       new_tsk->all_desktop = 1;
  65    }
  66    else {
  67       tskbar = &panel.taskbar[index(desktop, monitor)];
  68       new_tsk->all_desktop = 0;
  69    }
  70
  71    //printf("add_task %d  %s\n", index(desktop, monitor), new_tsk->title);
  72    new_tsk->area.parent = tskbar;
  73    tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk);
  74
  75    if (resize_tasks (tskbar))
  76       set_redraw (&tskbar->area);
  77
  78    if (desktop == 0xFFFFFFFF) {
  79       // task on all desktop
  80       int i;
  81       Task *new_tsk2;
  82       for (i = 1 ; i < server.nb_desktop ; i++) {
  83          new_tsk2 = malloc(sizeof(Task));
  84          memcpy(new_tsk2, new_tsk, sizeof(Task));
  85
  86          new_tsk2->title = 0;
  87          new_tsk2->icon_data = 0;
  88          get_icon(new_tsk2);
  89          get_title(new_tsk2);
  90
  91          tskbar = &panel.taskbar[index(i, monitor)];
  92          new_tsk2->area.parent = tskbar;
  93          tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  94
  95          if (resize_tasks (tskbar))
  96             set_redraw (&tskbar->area);
  97       }
  98    }
  99 }
 100
 101
 102 void remove_task (Task *tsk)
 103 {
 104    if (!tsk) return;
 105
 106    Taskbar *tskbar;
 107    tskbar = (Taskbar*)tsk->area.parent;
 108    tskbar->area.list = g_slist_remove(tskbar->area.list, tsk);
 109    resize_tasks (tskbar);
 110    set_redraw (&tskbar->area);
 111    //printf("remove_task %d  %s\n", index(tskbar->desktop, tskbar->monitor), tsk->title);
 112
 113    if (tsk == panel.task_active)
 114         panel.task_active = 0;
 115    if (tsk == panel.task_drag)
 116         panel.task_drag = 0;
 117
 118    if (tsk->title) {
 119       free (tsk->title);
 120       tsk->title = 0;
 121    }
 122    if (tsk->icon_data) {
 123       free (tsk->icon_data);
 124       tsk->icon_data = 0;
 125    }
 126
 127    XFreePixmap (server.dsp, tsk->area.pix.pmap);
 128    XFreePixmap (server.dsp, tsk->area.pix_active.pmap);
 129    free(tsk);
 130 }
 131
 132
 133 void get_title(Task *tsk)
 134 {
 135    if (!g_task.text) return;
 136
 137    char *title, *name;
 138
 139    name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 140    if (!name || !strlen(name)) {
 141       name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 142       if (!name || !strlen(name)) {
 143          name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 144          if (!name || !strlen(name)) {
 145             name = malloc(10);
 146             strcpy(name, "Untitled");
 147          }
 148       }
 149    }
 150
 151    // add space before title
 152    title = malloc(strlen(name)+2);
 153    if (g_task.icon) strcpy(title, " ");
 154    else title[0] = 0;
 155    strcat(title, name);
 156    if (name) XFree (name);
 157
 158    if (tsk->title)
 159       free(tsk->title);
 160    tsk->title = title;
 161 }
 162
 163
 164 void get_icon (Task *tsk)
 165 {
 166    if (!g_task.icon) return;
 167
 168    long *data;
 169    int num;
 170
 171    data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
 172    if (data) {
 173       printf("get_icon plein\n");
 174       // ARGB
 175       int w, h;
 176       long *tmp_data;
 177       tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, g_task.icon_size1);
 178
 179       tsk->icon_width = w;
 180       tsk->icon_height = h;
 181       tsk->icon_data = malloc (w * h * sizeof (long));
 182       memcpy (tsk->icon_data, tmp_data, w * h * sizeof (long));
 183
 184       XFree (data);
 185    }
 186    else {
 187       printf("get_icon vide\n");
 188       //XWMHints *hints;
 189       //hints = XGetWMHints(server.dsp, tkwin);
 190       //if (hints != NULL) {
 191       //   XFree(hints);
 192       //}
 193       // XChangeProperty (display, windowH, XInternAtom (display, "_NET_WM_ICON", False), XA_CARDINAL, 32, PropModeReplace, (unsigned char*) data, dataSize);
 194       return;
 195    }
 196 }
 197
 198
 199 void draw_task_icon (Task *tsk, int text_width, int active)
 200 {
 201    if (tsk->icon_data == 0) get_icon (tsk);
 202    if (tsk->icon_data == 0) return;
 203
 204    Pixmap *pmap = (active == 0) ? (&tsk->area.pix.pmap) : (&tsk->area.pix_active.pmap);
 205
 206    /* Find pos */
 207    int pos_x;
 208    if (g_task.centered) {
 209       if (g_task.text)
 210          pos_x = (tsk->area.width - text_width - g_task.icon_size1) / 2;
 211       else
 212          pos_x = (tsk->area.width - g_task.icon_size1) / 2;
 213    }
 214    else pos_x = g_task.area.paddingx + g_task.area.pix.border.width;
 215
 216    /* Render */
 217    Imlib_Image icon;
 218    Imlib_Color_Modifier cmod;
 219    DATA8 red[256], green[256], blue[256], alpha[256];
 220
 221    // TODO: cpu improvement : compute only when icon changed
 222    DATA32 *data;
 223    /* do we have 64bit? => long = 8bit */
 224    if (sizeof(long) != 4) {
 225       int length = tsk->icon_width * tsk->icon_height;
 226       data = malloc(sizeof(DATA32) * length);
 227       int i;
 228       for (i = 0; i < length; ++i)
 229          data[i] = tsk->icon_data[i];
 230    }
 231    else data = (DATA32 *) tsk->icon_data;
 232
 233    icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, data);
 234    imlib_context_set_image (icon);
 235    imlib_context_set_drawable (*pmap);
 236
 237    cmod = imlib_create_color_modifier ();
 238    imlib_context_set_color_modifier (cmod);
 239    imlib_image_set_has_alpha (1);
 240    imlib_get_color_modifier_tables (red, green, blue, alpha);
 241
 242    int i, opacity;
 243    opacity = (active == 0) ? (255*g_task.font.alpha) : (255*g_task.font_active.alpha);
 244    for (i = 127; i < 256; i++) alpha[i] = opacity;
 245
 246    imlib_set_color_modifier_tables (red, green, blue, alpha);
 247
 248    //imlib_render_image_on_drawable (pos_x, pos_y);
 249    imlib_render_image_on_drawable_at_size (pos_x, g_task.icon_posy, g_task.icon_size1, g_task.icon_size1);
 250
 251    imlib_free_color_modifier ();
 252    imlib_free_image ();
 253    if (sizeof(long) != 4) free(data);
 254 }
 255
 256
 257 void draw_foreground_task (void *obj, cairo_t *c, int active)
 258 {
 259    Task *tsk = obj;
 260    PangoLayout *layout;
 261    config_color *config_text;
 262    int width, height;
 263
 264    if (g_task.text) {
 265                 /* Layout */
 266                 layout = pango_cairo_create_layout (c);
 267                 pango_layout_set_font_description (layout, g_task.font_desc);
 268                 pango_layout_set_text (layout, tsk->title, -1);
 269
 270                 /* Drawing width and Cut text */
 271                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 272                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 273
 274                 /* Center text */
 275                 if (g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 276                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 277
 278                 pango_layout_get_pixel_size (layout, &width, &height);
 279
 280                 if (active) config_text = &g_task.font_active;
 281                 else config_text = &g_task.font;
 282
 283                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 284
 285                 pango_cairo_update_layout (c, layout);
 286                 cairo_move_to (c, g_task.text_posx, g_task.text_posy);
 287                 pango_cairo_show_layout (c, layout);
 288
 289                 if (g_task.font_shadow) {
 290                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 291                         pango_cairo_update_layout (c, layout);
 292                         cairo_move_to (c, g_task.text_posx + 1, g_task.text_posy + 1);
 293                         pango_cairo_show_layout (c, layout);
 294                 }
 295                 g_object_unref (layout);
 296    }
 297
 298    if (g_task.icon) {
 299       // icon use same opacity as text
 300       draw_task_icon (tsk, width, active);
 301    }
 302 }
 303