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 || window_is_hidden (win) || win == window.main_win) return;
  43
  44    new_tsk = malloc(sizeof(Task));
  45    new_tsk->win = win;
  46    new_tsk->title = 0;
  47    new_tsk->icon_data = 0;
  48
  49    get_icon(new_tsk);
  50    get_title(new_tsk);
  51    memcpy(&new_tsk->area, &g_task.area, sizeof(Area));
  52    desktop = window_get_desktop (new_tsk->win);
  53    monitor = window_get_monitor (new_tsk->win);
  54
  55    //if (panel.mode == MULTI_MONITOR) monitor = window_get_monitor (new_tsk->win);
  56    //else monitor = 0;
  57    //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  58
  59    XSelectInput (server.dsp, new_tsk->win, PropertyChangeMask|StructureNotifyMask);
  60
  61    if (desktop == 0xFFFFFFFF) {
  62       if (new_tsk->title) {
  63          free (new_tsk->title);
  64          new_tsk->title = 0;
  65       }
  66       if (new_tsk->icon_data) {
  67          free (new_tsk->icon_data);
  68          new_tsk->icon_data = 0;
  69       }
  70       free(new_tsk);
  71       fprintf(stderr, "task on all desktop : ignored\n");
  72       return;
  73    }
  74
  75    //printf("add_task %d  %s\n", index(desktop, monitor), new_tsk->title);
  76    Taskbar *tskbar;
  77    tskbar = &panel.taskbar[index(desktop, monitor)];
  78    new_tsk->area.parent = tskbar;
  79    tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk);
  80
  81    if (resize_tasks (tskbar))
  82       set_redraw (&tskbar->area);
  83 }
  84
  85
  86 void remove_task (Task *tsk)
  87 {
  88    if (!tsk) return;
  89
  90    Taskbar *tskbar;
  91    tskbar = (Taskbar*)tsk->area.parent;
  92    tskbar->area.list = g_slist_remove(tskbar->area.list, tsk);
  93    resize_tasks (tskbar);
  94    set_redraw (&tskbar->area);
  95    //printf("remove_task %d  %s\n", index(tskbar->desktop, tskbar->monitor), tsk->title);
  96
  97    if (tsk->title) {
  98       free (tsk->title);
  99       tsk->title = 0;
 100    }
 101    if (tsk->icon_data) {
 102       free (tsk->icon_data);
 103       tsk->icon_data = 0;
 104    }
 105    XFreePixmap (server.dsp, tsk->area.pix.pmap);
 106    XFreePixmap (server.dsp, tsk->area.pix_active.pmap);
 107    free(tsk);
 108 }
 109
 110
 111 void get_title(Task *tsk)
 112 {
 113    if (!g_task.text) return;
 114
 115    char *title, *name;
 116
 117    name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 118    if (!name || !strlen(name)) {
 119       name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 120       if (!name || !strlen(name)) {
 121          name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 122          if (!name || !strlen(name)) {
 123             name = malloc(10);
 124             strcpy(name, "Untitled");
 125          }
 126       }
 127    }
 128
 129    // add space before title
 130    title = malloc(strlen(name)+2);
 131    if (g_task.icon) strcpy(title, " ");
 132    else title[0] = 0;
 133    strcat(title, name);
 134    if (name) XFree (name);
 135
 136    if (tsk->title)
 137       free(tsk->title);
 138    tsk->title = title;
 139 }
 140
 141
 142 void get_icon (Task *tsk)
 143 {
 144    if (!g_task.icon) return;
 145
 146    long *data;
 147    int num;
 148
 149    data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &num);
 150    if (data) {
 151       printf("get_icon plein\n");
 152       // ARGB
 153       int w, h;
 154       long *tmp_data;
 155       tmp_data = get_best_icon (data, get_icon_count (data, num), num, &w, &h, g_task.icon_size1);
 156
 157       tsk->icon_width = w;
 158       tsk->icon_height = h;
 159       tsk->icon_data = malloc (w * h * sizeof (long));
 160       memcpy (tsk->icon_data, tmp_data, w * h * sizeof (long));
 161
 162       XFree (data);
 163    }
 164    else {
 165       //XWMHints *hints;
 166       //hints = XGetWMHints(server.dsp, tkwin);
 167       //if (hints != NULL) {
 168       //   XFree(hints);
 169       //}
 170       printf("get_icon vide\n");
 171       // XChangeProperty (display, windowH, XInternAtom (display, "_NET_WM_ICON", False), XA_CARDINAL, 32, PropModeReplace, (unsigned char*) data, dataSize);
 172       return;
 173    }
 174 }
 175
 176
 177 void draw_task_icon (Task *tsk, int text_width, int active)
 178 {
 179    if (tsk->icon_data == 0) get_icon (tsk);
 180    if (tsk->icon_data == 0) return;
 181
 182    Pixmap *pmap = (active == 0) ? (&tsk->area.pix.pmap) : (&tsk->area.pix_active.pmap);
 183
 184    /* Find pos */
 185    int pos_x;
 186    if (g_task.centered) {
 187       if (g_task.text)
 188          pos_x = (tsk->area.width - text_width - g_task.icon_size1) / 2;
 189       else
 190          pos_x = (tsk->area.width - g_task.icon_size1) / 2;
 191    }
 192    else pos_x = g_task.area.paddingx + g_task.area.pix.border.width;
 193
 194    /* Render */
 195    Imlib_Image icon;
 196    Imlib_Color_Modifier cmod;
 197    DATA8 red[256], green[256], blue[256], alpha[256];
 198
 199    // TODO: cpu improvement : compute only when icon changed
 200    DATA32 *data;
 201    /* do we have 64bit? => long = 8bit */
 202    if (sizeof(long) != 4) {
 203       int length = tsk->icon_width * tsk->icon_height;
 204       data = malloc(sizeof(DATA32) * length);
 205       int i;
 206       for (i = 0; i < length; ++i)
 207          data[i] = tsk->icon_data[i];
 208    }
 209    else data = (DATA32 *) tsk->icon_data;
 210
 211    icon = imlib_create_image_using_data (tsk->icon_width, tsk->icon_height, data);
 212    imlib_context_set_image (icon);
 213    imlib_context_set_drawable (*pmap);
 214
 215    cmod = imlib_create_color_modifier ();
 216    imlib_context_set_color_modifier (cmod);
 217    imlib_image_set_has_alpha (1);
 218    imlib_get_color_modifier_tables (red, green, blue, alpha);
 219
 220    int i, opacity;
 221    opacity = (active == 0) ? (255*g_task.font.alpha) : (255*g_task.font_active.alpha);
 222    for (i = 127; i < 256; i++) alpha[i] = opacity;
 223
 224    imlib_set_color_modifier_tables (red, green, blue, alpha);
 225
 226    //imlib_render_image_on_drawable (pos_x, pos_y);
 227    imlib_render_image_on_drawable_at_size (pos_x, g_task.icon_posy, g_task.icon_size1, g_task.icon_size1);
 228
 229    imlib_free_color_modifier ();
 230    imlib_free_image ();
 231    if (sizeof(long) != 4) free(data);
 232 }
 233
 234
 235 void draw_foreground_task (void *obj, cairo_t *c, int active)
 236 {
 237    Task *tsk = obj;
 238    PangoLayout *layout;
 239    config_color *config_text;
 240    int width, height;
 241
 242    if (g_task.text) {
 243                 /* Layout */
 244                 layout = pango_cairo_create_layout (c);
 245                 pango_layout_set_font_description (layout, g_task.font_desc);
 246                 pango_layout_set_text (layout, tsk->title, -1);
 247
 248                 /* Drawing width and Cut text */
 249                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 250                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 251
 252                 /* Center text */
 253                 if (g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 254                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 255
 256                 pango_layout_get_pixel_size (layout, &width, &height);
 257
 258                 if (active) config_text = &g_task.font_active;
 259                 else config_text = &g_task.font;
 260
 261                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 262
 263                 pango_cairo_update_layout (c, layout);
 264                 cairo_move_to (c, g_task.text_posx, g_task.text_posy);
 265                 pango_cairo_show_layout (c, layout);
 266
 267                 if (g_task.font_shadow) {
 268                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 269                         pango_cairo_update_layout (c, layout);
 270                         cairo_move_to (c, g_task.text_posx + 1, g_task.text_posy + 1);
 271                         pango_cairo_show_layout (c, layout);
 272                 }
 273                 g_object_unref (layout);
 274    }
 275
 276    if (g_task.icon) {
 277       // icon use same opacity as text
 278       draw_task_icon (tsk, width, active);
 279    }
 280 }
 281