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, all_desktop;
  41
  42    if (!win) return;
  43    if (window_is_hidden (win) || win == window.main_win) return;
  44
  45    desktop = window_get_desktop (win);
  46    if (desktop == 0xFFFFFFFF) {
  47       desktop = 0;
  48       all_desktop = 1;
  49    }
  50    else
  51       all_desktop = 0;
  52
  53    if (panel.mode == MULTI_MONITOR) monitor = window_get_monitor (win);
  54    else monitor = 0;
  55
  56 deb:
  57    new_tsk = malloc(sizeof(Task));
  58    new_tsk->win = win;
  59    new_tsk->all_desktop = all_desktop;
  60    new_tsk->title = 0;
  61    new_tsk->icon_data = 0;
  62
  63    get_icon(new_tsk);
  64    get_title(new_tsk);
  65    memcpy(&new_tsk->area, &g_task.area, sizeof(Area));
  66
  67    //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  68    XSelectInput (server.dsp, new_tsk->win, PropertyChangeMask|StructureNotifyMask);
  69
  70    Taskbar *tskbar = &panel.taskbar[index(desktop, monitor)];
  71    new_tsk->area.parent = tskbar;
  72    tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk);
  73
  74    if (resize_tasks (tskbar))
  75       set_redraw (&tskbar->area);
  76
  77    if (all_desktop) {
  78       desktop++;
  79       if (desktop < server.nb_desktop)
  80          goto deb;
  81    }
  82 }
  83
  84
  85 void remove_task (Task *tsk)
  86 {
  87    if (!tsk) return;
  88
  89    Task *tsk2 = tsk;
  90    Taskbar *tskbar;
  91    Window win = tsk->win;
  92    int desktop = 0, all_desktop = tsk->all_desktop;
  93    int monitor = ((Taskbar*)tsk->area.parent)->monitor;
  94
  95 deb:
  96    if (all_desktop) {
  97       tskbar = &panel.taskbar[index(desktop, monitor)];
  98       GSList *l0;
  99       for (l0 = tskbar->area.list; l0 ; ) {
 100          tsk2 = l0->data;
 101          l0 = l0->next;
 102          if (win == tsk2->win)
 103             break;
 104       }
 105    }
 106    else
 107       tskbar = (Taskbar*)tsk->area.parent;
 108
 109    tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 110    resize_tasks (tskbar);
 111    set_redraw (&tskbar->area);
 112    //printf("remove_task %d  %s\n", index(tskbar->desktop, tskbar->monitor), tsk->title);
 113
 114    if (tsk2 == panel.task_active)
 115         panel.task_active = 0;
 116    if (tsk2 == panel.task_drag)
 117         panel.task_drag = 0;
 118
 119    if (tsk2->title)
 120       free (tsk2->title);
 121    if (tsk2->icon_data)
 122       free (tsk2->icon_data);
 123
 124    XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 125    XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 126    free(tsk2);
 127
 128    if (all_desktop) {
 129       desktop++;
 130       if (desktop < server.nb_desktop)
 131          goto deb;
 132    }
 133 }
 134
 135
 136 void get_title(Task *tsk)
 137 {
 138    if (!g_task.text) return;
 139
 140    char *title, *name;
 141
 142    name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 143    if (!name || !strlen(name)) {
 144       name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 145       if (!name || !strlen(name)) {
 146          name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 147          if (!name || !strlen(name)) {
 148             name = malloc(10);
 149             strcpy(name, "Untitled");
 150          }
 151       }
 152    }
 153
 154    // add space before title
 155    title = malloc(strlen(name)+2);
 156    if (g_task.icon) strcpy(title, " ");
 157    else title[0] = 0;
 158    strcat(title, name);
 159    if (name) XFree (name);
 160
 161    if (tsk->title)
 162       free(tsk->title);
 163    tsk->title = title;
 164 }
 165
 166
 167 void get_icon (Task *tsk)
 168 {
 169    if (!g_task.icon) return;
 170
 171    long *data;
 172    int num;
 173
 174    data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
 175    if (data) {
 176       //printf("get_icon plein\n");
 177       // ARGB
 178       int w, h;
 179       long *tmp_data;
 180       tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, g_task.icon_size1);
 181
 182       tsk->icon_width = w;
 183       tsk->icon_height = h;
 184       tsk->icon_data = malloc (w * h * sizeof (long));
 185       memcpy (tsk->icon_data, tmp_data, w * h * sizeof (long));
 186
 187       XFree (data);
 188    }
 189    else {
 190       //printf("get_icon vide\n");
 191       XWMHints *hints = XGetWMHints(server.dsp, tsk->win);
 192       if (hints) {
 193          if (hints->flags & IconPixmapHint) {
 194                         }
 195          XFree(hints);
 196       }
 197    }
 198 }
 199
 200
 201 void draw_task_icon (Task *tsk, int text_width, int active)
 202 {
 203    if (tsk->icon_data == 0) get_icon (tsk);
 204    if (tsk->icon_data == 0) return;
 205
 206    Pixmap *pmap = (active == 0) ? (&tsk->area.pix.pmap) : (&tsk->area.pix_active.pmap);
 207
 208    /* Find pos */
 209    int pos_x;
 210    if (g_task.centered) {
 211       if (g_task.text)
 212          pos_x = (tsk->area.width - text_width - g_task.icon_size1) / 2;
 213       else
 214          pos_x = (tsk->area.width - g_task.icon_size1) / 2;
 215    }
 216    else pos_x = g_task.area.paddingxlr + g_task.area.pix.border.width;
 217
 218    /* Render */
 219    Imlib_Image icon;
 220    Imlib_Color_Modifier cmod;
 221    DATA8 red[256], green[256], blue[256], alpha[256];
 222
 223    // TODO: cpu improvement : compute only when icon changed
 224    DATA32 *data;
 225    /* do we have 64bit? => long = 8bit */
 226    if (sizeof(long) != 4) {
 227       int length = tsk->icon_width * tsk->icon_height;
 228       data = malloc(sizeof(DATA32) * length);
 229       int i;
 230       for (i = 0; i < length; ++i)
 231          data[i] = tsk->icon_data[i];
 232    }
 233    else data = (DATA32 *) tsk->icon_data;
 234
 235    icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, data);
 236    imlib_context_set_image (icon);
 237    imlib_context_set_drawable (*pmap);
 238
 239    cmod = imlib_create_color_modifier ();
 240    imlib_context_set_color_modifier (cmod);
 241    imlib_image_set_has_alpha (1);
 242    imlib_get_color_modifier_tables (red, green, blue, alpha);
 243
 244    int i, opacity;
 245    opacity = (active == 0) ? (255*g_task.font.alpha) : (255*g_task.font_active.alpha);
 246    for (i = 127; i < 256; i++) alpha[i] = opacity;
 247
 248    imlib_set_color_modifier_tables (red, green, blue, alpha);
 249
 250    //imlib_render_image_on_drawable (pos_x, pos_y);
 251    imlib_render_image_on_drawable_at_size (pos_x, g_task.icon_posy, g_task.icon_size1, g_task.icon_size1);
 252
 253    imlib_free_color_modifier ();
 254    imlib_free_image ();
 255    if (sizeof(long) != 4) free(data);
 256 }
 257
 258
 259 void draw_foreground_task (void *obj, cairo_t *c, int active)
 260 {
 261    Task *tsk = obj;
 262    PangoLayout *layout;
 263    config_color *config_text;
 264    int width, height;
 265
 266    if (g_task.text) {
 267                 /* Layout */
 268                 layout = pango_cairo_create_layout (c);
 269                 pango_layout_set_font_description (layout, g_task.font_desc);
 270                 pango_layout_set_text (layout, tsk->title, -1);
 271
 272                 /* Drawing width and Cut text */
 273                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 274                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 275
 276                 /* Center text */
 277                 if (g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 278                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 279
 280                 pango_layout_get_pixel_size (layout, &width, &height);
 281
 282                 if (active) config_text = &g_task.font_active;
 283                 else config_text = &g_task.font;
 284
 285                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 286
 287                 pango_cairo_update_layout (c, layout);
 288                 cairo_move_to (c, g_task.text_posx, g_task.text_posy);
 289                 pango_cairo_show_layout (c, layout);
 290
 291                 if (g_task.font_shadow) {
 292                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 293                         pango_cairo_update_layout (c, layout);
 294                         cairo_move_to (c, g_task.text_posx + 1, g_task.text_posy + 1);
 295                         pango_cairo_show_layout (c, layout);
 296                 }
 297                 g_object_unref (layout);
 298    }
 299
 300    if (g_task.icon) {
 301       // icon use same opacity as text
 302       draw_task_icon (tsk, width, active);
 303    }
 304 }
 305