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.desktop = window_get_desktop (win);
  47         if (nb_panel > 1) {
  48                 monitor = window_get_monitor (win);
  49                 if (monitor >= nb_panel) monitor = 0;
  50         }
  51         else monitor = 0;
  52         new_tsk.area.panel = &panel1[monitor];
  53
  54         // allocate only one title and one icon
  55         // even with task_on_all_desktop and with task_on_all_panel
  56         new_tsk.title = 0;
  57         new_tsk.icon = new_tsk.icon_active = NULL;
  58         get_title(&new_tsk);
  59         get_icon(&new_tsk);
  60
  61         //printf("task %s : desktop %d, monitor %d\n", new_tsk->title, desktop, monitor);
  62         XSelectInput (server.dsp, new_tsk.win, PropertyChangeMask|StructureNotifyMask);
  63
  64         Taskbar *tskbar;
  65         Task *new_tsk2=0;
  66         int i, j;
  67         for (i=0 ; i < nb_panel ; i++) {
  68                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
  69                         if (new_tsk.desktop != ALLDESKTOP && new_tsk.desktop != j) continue;
  70                         if (nb_panel > 1 && panel1[i].monitor != monitor) continue;
  71
  72                         tskbar = &panel1[i].taskbar[j];
  73                         new_tsk2 = malloc(sizeof(Task));
  74                         memcpy(&new_tsk2->area, &panel1[i].g_task.area, sizeof(Area));
  75                         new_tsk2->area.parent = tskbar;
  76                         new_tsk2->win = new_tsk.win;
  77                         new_tsk2->desktop = new_tsk.desktop;
  78                         if (new_tsk2->desktop == ALLDESKTOP && server.desktop != j) {
  79                                 // hide ALLDESKTOP task on non-current desktop
  80                                 new_tsk2->area.on_screen = 0;
  81                         }
  82                         new_tsk2->title = new_tsk.title;
  83                         new_tsk2->icon = new_tsk.icon;
  84                         new_tsk2->icon_active = new_tsk.icon_active;
  85                         new_tsk2->icon_width = new_tsk.icon_width;
  86                         new_tsk2->icon_height = new_tsk.icon_height;
  87                         tskbar->area.list = g_slist_append(tskbar->area.list, new_tsk2);
  88                         tskbar->area.resize = 1;
  89                         //printf("add_task panel %d, desktop %d, task %s\n", i, j, new_tsk2->title);
  90                 }
  91         }
  92         return new_tsk2;
  93 }
  94
  95
  96 void remove_task (Task *tsk)
  97 {
  98         if (!tsk) return;
  99
 100         Window win = tsk->win;
 101         int desktop = tsk->desktop;
 102
 103         if (g_tooltip.task == tsk) {
 104                 tooltip_hide();
 105                 alarm(0);
 106                 g_tooltip.task = 0;
 107         }
 108
 109         // free title and icon just for the first task
 110         // even with task_on_all_desktop and with task_on_all_panel
 111         //printf("remove_task %s %d\n", tsk->title, tsk->desktop);
 112         if (tsk->title)
 113                 free (tsk->title);
 114         if (tsk->icon) {
 115                 imlib_context_set_image(tsk->icon);
 116                 imlib_free_image();
 117                 imlib_context_set_image(tsk->icon_active);
 118                 imlib_free_image();
 119                 tsk->icon = tsk->icon_active = NULL;
 120         }
 121
 122         int i, j;
 123         Task *tsk2;
 124         Taskbar *tskbar;
 125         for (i=0 ; i < nb_panel ; i++) {
 126                 for (j=0 ; j < panel1[i].nb_desktop ; j++) {
 127                         if (desktop != ALLDESKTOP && desktop != j) continue;
 128
 129                         GSList *l0;
 130                         tskbar = &panel1[i].taskbar[j];
 131                         for (l0 = tskbar->area.list; l0 ; ) {
 132                                 tsk2 = l0->data;
 133                                 l0 = l0->next;
 134                                 if (win == tsk2->win) {
 135                                         tskbar->area.list = g_slist_remove(tskbar->area.list, tsk2);
 136                                         tskbar->area.resize = 1;
 137
 138                                         if (tsk2 == task_active)
 139                                                 task_active = 0;
 140                                         if (tsk2 == task_drag)
 141                                                 task_drag = 0;
 142
 143                                         XFreePixmap (server.dsp, tsk2->area.pix.pmap);
 144                                         XFreePixmap (server.dsp, tsk2->area.pix_active.pmap);
 145                                         free(tsk2);
 146                                 }
 147                         }
 148                 }
 149         }
 150 }
 151
 152
 153 void get_title(Task *tsk)
 154 {
 155         Panel *panel = tsk->area.panel;
 156         char *title, *name;
 157
 158         if (!panel->g_task.text && !g_tooltip.enabled) return;
 159
 160         if (g_tooltip.task == tsk) {
 161                 tooltip_hide();
 162                 alarm(0);
 163                 g_tooltip.task = 0;
 164         }
 165
 166         name = server_get_property (tsk->win, server.atom._NET_WM_VISIBLE_NAME, server.atom.UTF8_STRING, 0);
 167         if (!name || !strlen(name)) {
 168                 name = server_get_property (tsk->win, server.atom._NET_WM_NAME, server.atom.UTF8_STRING, 0);
 169                 if (!name || !strlen(name)) {
 170                         name = server_get_property (tsk->win, server.atom.WM_NAME, XA_STRING, 0);
 171                         if (!name || !strlen(name)) {
 172                                 name = malloc(10);
 173                                 strcpy(name, "Untitled");
 174                         }
 175                 }
 176         }
 177
 178         // add space before title
 179         title = malloc(strlen(name)+2);
 180         if (panel->g_task.icon) strcpy(title, " ");
 181         else title[0] = 0;
 182         strcat(title, name);
 183         if (name) XFree (name);
 184
 185         tsk->area.redraw = 1;
 186         if (tsk->title)
 187                 free(tsk->title);
 188         tsk->title = title;
 189 }
 190
 191
 192 void get_icon (Task *tsk)
 193 {
 194         Panel *panel = tsk->area.panel;
 195         if (!panel->g_task.icon) return;
 196         int i;
 197         Imlib_Image img = NULL;
 198         XWMHints *hints = 0;
 199         long *data = 0;
 200
 201         if (tsk->icon) {
 202                 imlib_context_set_image(tsk->icon);
 203                 imlib_free_image();
 204                 imlib_context_set_image(tsk->icon_active);
 205                 imlib_free_image();
 206                 tsk->icon = tsk->icon_active = NULL;
 207         }
 208         tsk->area.redraw = 1;
 209
 210         data = server_get_property (tsk->win, server.atom._NET_WM_ICON, XA_CARDINAL, &i);
 211         if (data) {
 212                 // get ARGB icon
 213                 int w, h;
 214                 long *tmp_data;
 215
 216                 tmp_data = get_best_icon (data, get_icon_count (data, i), i, &w, &h, panel->g_task.icon_size1);
 217
 218 #ifdef __x86_64__
 219                 DATA32 icon_data[w * h];
 220                 int length = w * h;
 221                 for (i = 0; i < length; ++i)
 222                         icon_data[i] =  tmp_data[i];
 223                 img = imlib_create_image_using_copied_data (w, h, icon_data);
 224 #else
 225                 img = imlib_create_image_using_data (w, h, (DATA32*)tmp_data);
 226 #endif
 227         }
 228         else {
 229                 // get Pixmap icon
 230                 hints = XGetWMHints(server.dsp, tsk->win);
 231                 if (hints) {
 232                         if (hints->flags & IconPixmapHint && hints->icon_pixmap != 0) {
 233                                 // get width, height and depth for the pixmap
 234                                 Window root;
 235                                 int  icon_x, icon_y;
 236                                 uint border_width, bpp;
 237                                 uint w, h;
 238
 239                                 //printf("  get pixmap\n");
 240                                 XGetGeometry(server.dsp, hints->icon_pixmap, &root, &icon_x, &icon_y, &w, &h, &border_width, &bpp);
 241                                 imlib_context_set_drawable(hints->icon_pixmap);
 242                                 img = imlib_create_image_from_drawable(hints->icon_mask, 0, 0, w, h, 0);
 243                         }
 244                 }
 245         }
 246         if (img == NULL) {
 247                 imlib_context_set_image(default_icon);
 248                 img = imlib_clone_image();
 249         }
 250
 251         // transform icons
 252         imlib_context_set_image(img);
 253         imlib_image_set_has_alpha(1);
 254         int w, h;
 255         w = imlib_image_get_width();
 256         h = imlib_image_get_height();
 257         tsk->icon = imlib_create_cropped_scaled_image(0, 0, w, h, panel->g_task.icon_size1, panel->g_task.icon_size1);
 258         imlib_free_image();
 259
 260         imlib_context_set_image(tsk->icon);
 261         tsk->icon_width = imlib_image_get_width();
 262         tsk->icon_height = imlib_image_get_height();
 263         tsk->icon_active = imlib_clone_image();
 264
 265         DATA32 *data32;
 266         if (panel->g_task.alpha != 100 || panel->g_task.saturation != 0 || panel->g_task.brightness != 0) {
 267                 data32 = imlib_image_get_data();
 268                 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);
 269                 imlib_image_put_back_data(data32);
 270         }
 271
 272         if (panel->g_task.alpha_active != 100 || panel->g_task.saturation_active != 0 || panel->g_task.brightness_active != 0) {
 273                 imlib_context_set_image(tsk->icon_active);
 274                 data32 = imlib_image_get_data();
 275                 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);
 276                 imlib_image_put_back_data(data32);
 277         }
 278
 279         if (hints)
 280                 XFree(hints);
 281         if (data)
 282                 XFree (data);
 283 }
 284
 285
 286 void draw_task_icon (Task *tsk, int text_width, int active)
 287 {
 288         if (tsk->icon == NULL || tsk->icon_active == NULL) return;
 289
 290         // Find pos
 291         int pos_x;
 292         Panel *panel = (Panel*)tsk->area.panel;
 293         if (panel->g_task.centered) {
 294                 if (panel->g_task.text)
 295                         pos_x = (tsk->area.width - text_width - panel->g_task.icon_size1) / 2;
 296                 else
 297                         pos_x = (tsk->area.width - panel->g_task.icon_size1) / 2;
 298         }
 299         else pos_x = panel->g_task.area.paddingxlr + panel->g_task.area.pix.border.width;
 300
 301         // Render
 302         Pixmap *pmap;
 303         if (active == 0) {
 304                 imlib_context_set_image (tsk->icon);
 305                 pmap = &tsk->area.pix.pmap;
 306         }
 307         else {
 308                 imlib_context_set_image (tsk->icon_active);
 309                 pmap = &tsk->area.pix_active.pmap;
 310         }
 311         imlib_context_set_drawable (*pmap);
 312         imlib_render_image_on_drawable (pos_x, panel->g_task.icon_posy);
 313 }
 314
 315
 316 void draw_task (void *obj, cairo_t *c, int active)
 317 {
 318         Task *tsk = obj;
 319         PangoLayout *layout;
 320         config_color *config_text;
 321         int width=0, height;
 322         Panel *panel = (Panel*)tsk->area.panel;
 323
 324         if (panel->g_task.text) {
 325                 /* Layout */
 326                 layout = pango_cairo_create_layout (c);
 327                 pango_layout_set_font_description (layout, panel->g_task.font_desc);
 328                 pango_layout_set_text (layout, tsk->title, -1);
 329
 330                 /* Drawing width and Cut text */
 331                 // pango use U+22EF or U+2026
 332                 pango_layout_set_width (layout, ((Taskbar*)tsk->area.parent)->text_width * PANGO_SCALE);
 333                 pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
 334
 335                 /* Center text */
 336                 if (panel->g_task.centered) pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
 337                 else pango_layout_set_alignment (layout, PANGO_ALIGN_LEFT);
 338
 339                 pango_layout_get_pixel_size (layout, &width, &height);
 340
 341                 if (active) config_text = &panel->g_task.font_active;
 342                 else config_text = &panel->g_task.font;
 343
 344                 cairo_set_source_rgba (c, config_text->color[0], config_text->color[1], config_text->color[2], config_text->alpha);
 345
 346                 pango_cairo_update_layout (c, layout);
 347                 cairo_move_to (c, panel->g_task.text_posx, panel->g_task.text_posy);
 348                 pango_cairo_show_layout (c, layout);
 349
 350                 if (panel->g_task.font_shadow) {
 351                         cairo_set_source_rgba (c, 0.0, 0.0, 0.0, 0.5);
 352                         pango_cairo_update_layout (c, layout);
 353                         cairo_move_to (c, panel->g_task.text_posx + 1, panel->g_task.text_posy + 1);
 354                         pango_cairo_show_layout (c, layout);
 355                 }
 356                 g_object_unref (layout);
 357         }
 358
 359         if (panel->g_task.icon) {
 360                 // icon use same opacity as text
 361                 draw_task_icon (tsk, width, active);
 362         }
 363 }
 364
 365