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                         if (new_tsk2->desktop == ALLDESKTOP && server.desktop != j) {
  76                                 // hide ALLDESKTOP task on non-current desktop
  77                                 new_tsk2->area.on_screen = 0;
  78                         }
  79                         new_tsk2->title = new_tsk.title;
  80                         new_tsk2->icon = new_tsk.icon;
  81                         new_tsk2->icon_active = new_tsk.icon_active;
  82                         new_tsk2->icon_width = new_tsk.icon_width;
  83                         new_tsk2->icon_height = new_tsk.icon_height;
  84                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  85                         tskbar->area.resize = 1;
  86                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  87                 }
  88         }
  89         return new_tsk2;
  90 }
  91
  92
  93 void remove_task (Task *tsk)
  94 {
  95         if (!tsk) return;
  96
  97         Window win = tsk->win;
  98         int desktop = tsk->desktop;
  99
 100         // free title and icon just for the first task
 101         // even with task_on_all_desktop and with task_on_all_panel
 102         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 103         if (tsk->title)
 104                 free (tsk->title);
 105         if (tsk->icon) {
 106                 imlib_context_set_image(tsk->icon);
 107                 imlib_free_image();
 108                 imlib_context_set_image(tsk->icon_active);
 109                 imlib_free_image();
 110                 tsk->icon = tsk->icon_active = NULL;
 111         }
 112
 113         int i, j;
 114         Task *tsk2;
 115         Taskbar *tskbar;
 116         for (i=0 ; i < nb_panel ; i++) {
 117                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 118                         if (desktop != ALLDESKTOP && desktop != j) continue;
 119
 120                         GSList *l0;
 121                         tskbar = &panel1[i].taskbar[j];
 122                         for (l0 = tskbar->area.list; l0 ; ) {
 123                                 tsk2 = l0->data;
 124                                 l0 = l0->next;
 125                                 if (win == tsk2->win) {
 126                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 127                                         tskbar->area.resize = 1;
 128
 129                                         if (tsk2 == task_active)
 130                                                 task_active = 0;
 131                                         if (tsk2 == task_drag)
 132                                                 task_drag = 0;
 133
 134                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 135                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 136                                         free(tsk2);
 137                                 }
 138                         }
 139                 }
 140         }
 141 }
 142
 143
 144 void get_title(Task *tsk)
 145 {
 146         Panel *panel = tsk->area.panel;
 147         char *title, *name;
 148
 149         if (!panel->g_task.text && !g_tooltip.enabled) return;
 150
 151         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 152         if (!name || !strlen(name)) {
 153                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 154                 if (!name || !strlen(name)) {
 155                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 156                         if (!name || !strlen(name)) {
 157                                 name = malloc(10);
 158                                 strcpy(name, "Untitled");
 159                         }
 160                 }
 161         }
 162
 163         // add space before title
 164         title = malloc(strlen(name)+2);
 165         if (panel->g_task.icon) strcpy(title, " ");
 166         else title[0] = 0;
 167         strcat(title, name);
 168         if (name) XFree (name);
 169
 170         tsk->area.redraw = 1;
 171         if (tsk->title)
 172                 free(tsk->title);
 173         tsk->title = title;
 174 }
 175
 176
 177 void get_icon (Task *tsk)
 178 {
 179         Panel *panel = tsk->area.panel;
 180         if (!panel->g_task.icon) return;
 181         int i;
 182         Imlib_Image img = NULL;
 183         XWMHints *hints = 0;
 184         long *data = 0;
 185
 186         if (tsk->icon) {
 187                 imlib_context_set_image(tsk->icon);
 188                 imlib_free_image();
 189                 imlib_context_set_image(tsk->icon_active);
 190                 imlib_free_image();
 191                 tsk->icon = tsk->icon_active = NULL;
 192         }
 193         tsk->area.redraw = 1;
 194
 195         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 196         if (data) {
 197                 // get ARGB icon
 198                 int w, h;
 199                 long *tmp_data;
 200
 201                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 202
 203 #ifdef __x86_64__
 204                 DATA32 *icon_data = malloc (w * h * sizeof (DATA32));
 205                 int length = w * h;
 206                 for (i = 0; i < length; ++i)
 207                         icon_data[i] =  tmp_data[i];
 208                 img = imlib_create_image_using_data (w, h, icon_data);
 209                 free(icon_data);
 210 #else
 211                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 212 #endif
 213         }
 214         else {
 215                 // get Pixmap icon
 216                 hints = XGetWMHints(server.dsp, tsk->win);
 217                 if (hints) {
 218                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 219                                 // get width, height and depth for the pixmap
 220                                 Window root;
 221                                 int  icon_x, icon_y;
 222                                 uint border_width, bpp;
 223                                 uint w, h;
 224
 225                                 //printf("  get pixmap\n");
 226                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 227                                 imlib_context_set_drawable(hints->icon_pixmap);
 228                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 229                         }
 230                 }
 231         }
 232         if (img == NULL) {
 233                 imlib_context_set_image(default_icon);
 234                 img = imlib_clone_image();
 235         }
 236
 237         // transform icons
 238         imlib_context_set_image(img);
 239         imlib_image_set_has_alpha(1);
 240         int w, h;
 241         w = imlib_image_get_width();
 242         h = imlib_image_get_height();
 243         tsk->icon = imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 244         imlib_free_image();
 245
 246         imlib_context_set_image(tsk->icon);
 247         tsk->icon_width = imlib_image_get_width();
 248         tsk->icon_height = imlib_image_get_height();
 249         tsk->icon_active = imlib_clone_image();
 250
 251         DATA32 *data32;
 252         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 253                 data32 = imlib_image_get_data();
 254                 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);
 255                 imlib_image_put_back_data(data32);
 256         }
 257
 258         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 259                 imlib_context_set_image(tsk->icon_active);
 260                 data32 = imlib_image_get_data();
 261                 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);
 262                 imlib_image_put_back_data(data32);
 263         }
 264
 265         if (hints)
 266                 XFree(hints);
 267         if (data)
 268                 XFree (data);
 269 }
 270
 271
 272 void draw_task_icon (Task *tsk, int text_width, int active)
 273 {
 274         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 275
 276         // Find pos
 277         int pos_x;
 278         Panel *panel = (Panel*)tsk->area.panel;
 279         if (panel->g_task.centered) {
 280                 if (panel->g_task.text)
 281                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 282                 else
 283                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 284         }
 285         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 286
 287         // Render
 288         Pixmap *pmap;
 289         if (active == 0) {
 290                 imlib_context_set_image (tsk->icon);
 291                 pmap = &tsk->area.pix.pmap;
 292         }
 293         else {
 294                 imlib_context_set_image (tsk->icon_active);
 295                 pmap = &tsk->area.pix_active.pmap;
 296         }
 297         imlib_context_set_drawable (*pmap);
 298         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 299 }
 300
 301
 302 void draw_task (void *obj, cairo_t *c, int active)
 303 {
 304         Task *tsk = obj;
 305         PangoLayout *layout;
 306         config_color *config_text;
 307         int width=0, height;
 308         Panel *panel = (Panel*)tsk->area.panel;
 309
 310         if (panel->g_task.text) {
 311                 /* Layout */
 312                 layout = pango_cairo_create_layout (c);
 313                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 314                 pango_layout_set_text (layout, tsk->title, -1);
 315
 316                 /* Drawing width and Cut text */
 317                 // pango use U+22EF or U+2026
 318                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 319                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 320
 321                 /* Center text */
 322                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 323                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 324
 325                 pango_layout_get_pixel_size (layout, &width, &height);
 326
 327                 if (active) config_text = &panel->g_task.font_active;
 328                 else config_text = &panel->g_task.font;
 329
 330                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 331
 332                 pango_cairo_update_layout (c, layout);
 333                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 334                 pango_cairo_show_layout (c, layout);
 335
 336                 if (panel->g_task.font_shadow) {
 337                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 338                         pango_cairo_update_layout (c, layout);
 339                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 340                         pango_cairo_show_layout (c, layout);
 341                 }
 342                 g_object_unref (layout);
 343         }
 344
 345         if (panel->g_task.icon) {
 346                 // icon use same opacity as text
 347                 draw_task_icon (tsk, width, active);
 348         }
 349 }
 350
 351