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 = new_tsk.icon_active = NULL;
  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 = new_tsk.icon;
  77                         new_tsk2->icon_active = new_tsk.icon_active;
  78                         new_tsk2->icon_width = new_tsk.icon_width;
  79                         new_tsk2->icon_height = new_tsk.icon_height;
  80                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  81                         tskbar->area.resize = 1;
  82                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  83                 }
  84         }
  85         return new_tsk2;
  86 }
  87
  88
  89 void remove_task (Task *tsk)
  90 {
  91         if (!tsk) return;
  92
  93         Window win = tsk->win;
  94         int desktop = tsk->desktop;
  95
  96         // free title and icon just for the first task
  97         // even with task_on_all_desktop and with task_on_all_panel
  98         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
  99         if (tsk->title)
 100                 free (tsk->title);
 101         if (tsk->icon) {
 102                 imlib_context_set_image(tsk->icon);
 103                 imlib_free_image();
 104                 imlib_context_set_image(tsk->icon_active);
 105                 imlib_free_image();
 106                 tsk->icon = tsk->icon_active = NULL;
 107         }
 108
 109         int i, j;
 110         Task *tsk2;
 111         Taskbar *tskbar;
 112         for (i=0 ; i < nb_panel ; i++) {
 113                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 114                         if (desktop != ALLDESKTOP && desktop != j) continue;
 115
 116                         GSList *l0;
 117                         tskbar = &panel1[i].taskbar[j];
 118                         for (l0 = tskbar->area.list; l0 ; ) {
 119                                 tsk2 = l0->data;
 120                                 l0 = l0->next;
 121                                 if (win == tsk2->win) {
 122                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 123                                         tskbar->area.resize = 1;
 124
 125                                         if (tsk2 == task_active)
 126                                                 task_active = 0;
 127                                         if (tsk2 == task_drag)
 128                                                 task_drag = 0;
 129
 130                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 131                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 132                                         free(tsk2);
 133                                 }
 134                         }
 135                 }
 136         }
 137 }
 138
 139
 140 void get_title(Task *tsk)
 141 {
 142         Panel *panel = tsk->area.panel;
 143         char *title, *name;
 144
 145         if (!panel->g_task.text && !g_tooltip.enabled) return;
 146
 147         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 148         if (!name || !strlen(name)) {
 149                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 150                 if (!name || !strlen(name)) {
 151                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 152                         if (!name || !strlen(name)) {
 153                                 name = malloc(10);
 154                                 strcpy(name, "Untitled");
 155                         }
 156                 }
 157         }
 158
 159         // add space before title
 160         title = malloc(strlen(name)+2);
 161         if (panel->g_task.icon) strcpy(title, " ");
 162         else title[0] = 0;
 163         strcat(title, name);
 164         if (name) XFree (name);
 165
 166         tsk->area.redraw = 1;
 167         if (tsk->title)
 168                 free(tsk->title);
 169         tsk->title = title;
 170 }
 171
 172
 173 void get_icon (Task *tsk)
 174 {
 175         Panel *panel = tsk->area.panel;
 176         if (!panel->g_task.icon) return;
 177
 178         if (tsk->icon) {
 179                 imlib_context_set_image(tsk->icon);
 180                 imlib_free_image();
 181                 imlib_context_set_image(tsk->icon_active);
 182                 imlib_free_image();
 183                 tsk->icon = tsk->icon_active = NULL;
 184         }
 185         tsk->area.redraw = 1;
 186
 187         int i;
 188         Imlib_Image img = NULL;
 189         long *data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 190         if (data) {
 191                 // get ARGB icon
 192                 int w, h;
 193                 long *tmp_data;
 194
 195                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 196
 197 #ifdef __x86_64__
 198                 DATA32 *icon_data = malloc (w * h * sizeof (DATA32));
 199                 int length = w * h;
 200                 for (i = 0; i < length; ++i)
 201                         icon_data[i] =  tmp_data[i];
 202                 img = imlib_create_image_using_data (w, h, icon_data);
 203 #else
 204                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 205 #endif
 206                 imlib_context_set_image(img);
 207                 imlib_image_set_has_alpha(1);
 208                 XFree (data);
 209         }
 210         else {
 211                 // get Pixmap icon
 212                 XWMHints *hints = XGetWMHints(server.dsp, tsk->win);
 213                 if (hints) {
 214                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 215                                 // get width, height and depth for the pixmap
 216                                 Window root;
 217                                 int  icon_x, icon_y;
 218                                 uint border_width, bpp;
 219                                 uint w, h;
 220
 221                                 //printf("  get pixmap\n");
 222                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 223                                 imlib_context_set_drawable(hints->icon_pixmap);
 224                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 225                         }
 226                 }
 227                 XFree(hints);
 228         }
 229         if (img == NULL) {
 230                 imlib_context_set_image(default_icon);
 231                 img = imlib_clone_image();
 232         }
 233
 234         // transform icons
 235         imlib_context_set_image(img);
 236         tsk->icon = imlib_create_cropped_scaled_image(0, 0, imlib_image_get_width(), imlib_image_get_height(), panel->g_task.icon_size1, panel->g_task.icon_size1);
 237         imlib_free_image();
 238
 239         imlib_context_set_image(tsk->icon);
 240         tsk->icon_width = imlib_image_get_width();
 241         tsk->icon_height = imlib_image_get_height();
 242         tsk->icon_active = imlib_clone_image();
 243
 244         DATA32 *data32;
 245         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 246                 data32 = imlib_image_get_data();
 247                 adjust_asb(data32, tsk->icon_width, tsk->icon_height, panel->g_task.alpha, (float)panel->g_task.saturation/100, (float)panel->g_task.brightness/100);
 248                 imlib_image_put_back_data(data32);
 249         }
 250
 251         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 252                 imlib_context_set_image(tsk->icon_active);
 253                 data32 = imlib_image_get_data();
 254                 adjust_asb(data32, tsk->icon_width, tsk->icon_height, panel->g_task.alpha_active, (float)panel->g_task.saturation_active/100, (float)panel->g_task.brightness_active/100);
 255                 imlib_image_put_back_data(data32);
 256         }
 257 }
 258
 259
 260 void draw_task_icon (Task *tsk, int text_width, int active)
 261 {
 262         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 263
 264         // Find pos
 265         int pos_x;
 266         Panel *panel = (Panel*)tsk->area.panel;
 267         if (panel->g_task.centered) {
 268                 if (panel->g_task.text)
 269                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 270                 else
 271                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 272         }
 273         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 274
 275         // Render
 276         Pixmap *pmap;
 277         if (active == 0) {
 278                 imlib_context_set_image (tsk->icon);
 279                 pmap = &tsk->area.pix.pmap;
 280         }
 281         else {
 282                 imlib_context_set_image (tsk->icon_active);
 283                 pmap = &tsk->area.pix_active.pmap;
 284         }
 285         imlib_context_set_drawable (*pmap);
 286         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 287 }
 288
 289
 290 void draw_task (void *obj, cairo_t *c, int active)
 291 {
 292         Task *tsk = obj;
 293         PangoLayout *layout;
 294         config_color *config_text;
 295         int width=0, height;
 296         Panel *panel = (Panel*)tsk->area.panel;
 297
 298         if (panel->g_task.text) {
 299                 /* Layout */
 300                 layout = pango_cairo_create_layout (c);
 301                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 302                 pango_layout_set_text (layout, tsk->title, -1);
 303
 304                 /* Drawing width and Cut text */
 305                 // pango use U+22EF or U+2026
 306                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 307                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 308
 309                 /* Center text */
 310                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 311                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 312
 313                 pango_layout_get_pixel_size (layout, &width, &height);
 314
 315                 if (active) config_text = &panel->g_task.font_active;
 316                 else config_text = &panel->g_task.font;
 317
 318                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 319
 320                 pango_cairo_update_layout (c, layout);
 321                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 322                 pango_cairo_show_layout (c, layout);
 323
 324                 if (panel->g_task.font_shadow) {
 325                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 326                         pango_cairo_update_layout (c, layout);
 327                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 328                         pango_cairo_show_layout (c, layout);
 329                 }
 330                 g_object_unref (layout);
 331         }
 332
 333         if (panel->g_task.icon) {
 334                 // icon use same opacity as text
 335                 draw_task_icon (tsk, width, active);
 336         }
 337 }
 338
 339