Dogcows Code - chaz/tint2/blob - src/systray/systraybar.c

   1 /**************************************************************************
   2 * Tint2 : systraybar
   3 *
   4 * Copyright (C) 2009 thierry lorthiois (lorthiois@bbsoft.fr)
   5 * based on 'docker-1.5' from Ben Jansens.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License version 2
   9 * as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 **************************************************************************/
  19
  20 #include <X11/Xlib.h>
  21 #include <X11/Xutil.h>
  22 #include <X11/Xatom.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <glib.h>
  27 #include <Imlib2.h>
  28 #include <X11/extensions/Xdamage.h>
  29 #include <X11/extensions/Xcomposite.h>
  30 #include <X11/extensions/Xrender.h>
  31
  32
  33 #include "systraybar.h"
  34 #include "server.h"
  35 #include "panel.h"
  36
  37 GSList *icons;
  38
  39 /* defined in the systray spec */
  40 #define SYSTEM_TRAY_REQUEST_DOCK    0
  41 #define SYSTEM_TRAY_BEGIN_MESSAGE   1
  42 #define SYSTEM_TRAY_CANCEL_MESSAGE  2
  43
  44 // selection window
  45 Window net_sel_win = None;
  46
  47 // freedesktop specification doesn't allow multi systray
  48 Systraybar systray;
  49 int refresh_systray;
  50 int systray_enabled;
  51 int systray_max_icon_size;
  52
  53 // background pixmap if we render ourselves the icons
  54 static Pixmap render_background;
  55
  56
  57 void default_systray()
  58 {
  59         memset(&systray, 0, sizeof(Systraybar));
  60         render_background = 0;
  61         systray.alpha = 100;
  62         systray.sort = 3;
  63         systray.area._draw_foreground = draw_systray;
  64         systray.area.size_mode = SIZE_BY_CONTENT;
  65         systray.area._resize = resize_systray;
  66 }
  67
  68 void cleanup_systray()
  69 {
  70         stop_net();
  71         systray_enabled = 0;
  72         systray_max_icon_size = 0;
  73         systray.area.on_screen = 0;
  74         free_area(&systray.area);
  75         if (render_background) {
  76                 XFreePixmap(server.dsp, render_background);
  77                 render_background = 0;
  78         }
  79 }
  80
  81 void init_systray()
  82 {
  83         start_net();
  84
  85         if (!systray_enabled)
  86                 return;
  87
  88         if (!server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)) {
  89                 printf("No 32 bit visual for your X implementation. 'systray_asb = 100 0 0' will be forced\n");
  90                 systray.alpha = 100;
  91                 systray.brightness = systray.saturation = 0;
  92         }
  93 }
  94
  95
  96 void init_systray_panel(void *p)
  97 {
  98         Panel *panel =(Panel*)p;
  99
 100         systray.area.parent = p;
 101         systray.area.panel = p;
 102
 103         GSList *l;
 104         int count = 0;
 105         for (l = systray.list_icons; l ; l = l->next) {
 106                 if (!((TrayWindow*)l->data)->hide)
 107                         count++;
 108         }
 109         if (count == 0)
 110                 systray.area.on_screen = 0;
 111         else
 112                 systray.area.on_screen = 1;
 113         refresh_systray = 0;
 114 }
 115
 116
 117 void draw_systray(void *obj, cairo_t *c)
 118 {
 119         // here, sysbar's position is defined. so we can calculate position of tray icon.
 120         Systraybar *sysbar = obj;
 121         Panel *panel = sysbar->area.panel;
 122         int i, posx, posy;
 123         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +sysbar->marging/2;
 124         if (panel_horizontal) {
 125                 posy = start;
 126                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 127         }
 128         else {
 129                 posx = start;
 130                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 131         }
 132
 133         TrayWindow *traywin;
 134         GSList *l;
 135         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 136                 traywin = (TrayWindow*)l->data;
 137                 if (traywin->hide) continue;
 138
 139                 traywin->y = posy;
 140                 traywin->x = posx;
 141                 traywin->width = sysbar->icon_size;
 142                 traywin->height = sysbar->icon_size;
 143                 if (panel_horizontal) {
 144                         if (i % sysbar->icons_per_column)
 145                                 posy += sysbar->icon_size + sysbar->area.paddingx;
 146                         else {
 147                                 posy = start;
 148                                 posx += (sysbar->icon_size + systray.area.paddingx);
 149                         }
 150                 }
 151                 else {
 152                         if (i % sysbar->icons_per_row)
 153                                 posx += sysbar->icon_size + systray.area.paddingx;
 154                         else {
 155                                 posx = start;
 156                                 posy += (sysbar->icon_size + systray.area.paddingx);
 157                         }
 158                 }
 159
 160                 // position and size the icon window
 161                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, sysbar->icon_size, sysbar->icon_size);
 162                 XResizeWindow(server.dsp, traywin->tray_id, sysbar->icon_size, sysbar->icon_size);
 163         }
 164
 165         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 166                 if (render_background) XFreePixmap(server.dsp, render_background);
 167                 render_background = XCreatePixmap(server.dsp, server.root_win, systray.area.width, systray.area.height, server.depth);
 168                 XCopyArea(server.dsp, systray.area.pix, render_background, server.gc, 0, 0, systray.area.width, systray.area.height, 0, 0);
 169         }
 170
 171         refresh_systray = 1;
 172 }
 173
 174
 175 int resize_systray(void *obj)
 176 {
 177         Systraybar *sysbar = obj;
 178         GSList *l;
 179         int count;
 180
 181         if (panel_horizontal)
 182                 sysbar->icon_size = sysbar->area.height;
 183         else
 184                 sysbar->icon_size = sysbar->area.width;
 185         sysbar->icon_size = sysbar->icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 186         if (systray_max_icon_size > 0 && sysbar->icon_size > systray_max_icon_size)
 187                 sysbar->icon_size = systray_max_icon_size;
 188         count = 0;
 189         for (l = systray.list_icons; l ; l = l->next) {
 190                 if (!((TrayWindow*)l->data)->hide)
 191                         count++;
 192         }
 193         //printf("count %d\n", count);
 194
 195         if (panel_horizontal) {
 196                 int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 197                 // here icons_per_column always higher than 0
 198                 sysbar->icons_per_column = (height+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 199                 sysbar->marging = height - (sysbar->icons_per_column-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 200                 sysbar->icons_per_row = count / sysbar->icons_per_column + (count%sysbar->icons_per_column != 0);
 201                 systray.area.width = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) + (sysbar->icon_size * sysbar->icons_per_row) + ((sysbar->icons_per_row-1) * systray.area.paddingx);
 202         }
 203         else {
 204                 int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 205                 // here icons_per_row always higher than 0
 206                 sysbar->icons_per_row = (width+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 207                 sysbar->marging = width - (sysbar->icons_per_row-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 208                 sysbar->icons_per_column = count / sysbar->icons_per_row+ (count%sysbar->icons_per_row != 0);
 209                 systray.area.height = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) + (sysbar->icon_size * sysbar->icons_per_column) + ((sysbar->icons_per_column-1) * systray.area.paddingx);
 210         }
 211         return 1;
 212 }
 213
 214
 215 // ***********************************************
 216 // systray protocol
 217
 218 void start_net()
 219 {
 220         if (net_sel_win) {
 221                 // protocol already started
 222                 if (!systray_enabled)
 223                         stop_net();
 224                 return;
 225         }
 226         else
 227                 if (!systray_enabled)
 228                         return;
 229
 230         Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
 231
 232         // freedesktop systray specification
 233         if (win != None) {
 234                 // search pid
 235                 Atom _NET_WM_PID, actual_type;
 236                 int actual_format;
 237                 unsigned long nitems;
 238                 unsigned long bytes_after;
 239                 unsigned char *prop = 0;
 240                 int pid;
 241
 242                 _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 243                 int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
 244
 245                 fprintf(stderr, "tint2 : another systray is running");
 246                 if (ret == Success && prop) {
 247                         pid = prop[1] * 256;
 248                         pid += prop[0];
 249                         fprintf(stderr, " pid=%d", pid);
 250                 }
 251                 fprintf(stderr, "\n");
 252                 return;
 253         }
 254
 255         // init systray protocol
 256         net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
 257
 258         // v0.3 trayer specification. tint2 always horizontal.
 259         // Vertical panel will draw the systray horizontal.
 260         long orient = 0;
 261         XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
 262         VisualID vid;
 263         if (server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0))
 264                 vid = XVisualIDFromVisual(server.visual32);
 265         else
 266                 vid = XVisualIDFromVisual(server.visual);
 267         XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
 268
 269         XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
 270         if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
 271                 stop_net();
 272                 fprintf(stderr, "tint2 : can't get systray manager\n");
 273                 return;
 274         }
 275
 276         //fprintf(stderr, "tint2 : systray started\n");
 277         XClientMessageEvent ev;
 278         ev.type = ClientMessage;
 279         ev.window = server.root_win;
 280         ev.message_type = server.atom.MANAGER;
 281         ev.format = 32;
 282         ev.data.l[0] = CurrentTime;
 283         ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
 284         ev.data.l[2] = net_sel_win;
 285         ev.data.l[3] = 0;
 286         ev.data.l[4] = 0;
 287         XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
 288 }
 289
 290
 291 void stop_net()
 292 {
 293         //fprintf(stderr, "tint2 : systray stopped\n");
 294         if (systray.list_icons) {
 295                 // remove_icon change systray.list_icons
 296                 while(systray.list_icons)
 297                         remove_icon((TrayWindow*)systray.list_icons->data);
 298
 299                 g_slist_free(systray.list_icons);
 300                 systray.list_icons = 0;
 301         }
 302
 303         if (net_sel_win != None) {
 304                 XDestroyWindow(server.dsp, net_sel_win);
 305                 net_sel_win = None;
 306         }
 307 }
 308
 309
 310 gboolean error;
 311 int window_error_handler(Display *d, XErrorEvent *e)
 312 {
 313         d=d;e=e;
 314         error = TRUE;
 315         if (e->error_code != BadWindow) {
 316                 printf("error_handler %d\n", e->error_code);
 317         }
 318         return 0;
 319 }
 320
 321
 322 static gint compare_traywindows(gconstpointer a, gconstpointer b)
 323 {
 324         const TrayWindow * traywin_a = (TrayWindow*)a;
 325         const TrayWindow * traywin_b = (TrayWindow*)b;
 326         XTextProperty name_a, name_b;
 327
 328         if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
 329                 return -1;
 330         }
 331         else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
 332                 XFree(name_a.value);
 333                 return 1;
 334         }
 335         else {
 336                 gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
 337                 XFree(name_a.value);
 338                 XFree(name_b.value);
 339                 return retval;
 340         }
 341 }
 342
 343
 344 gboolean add_icon(Window id)
 345 {
 346         TrayWindow *traywin;
 347         XErrorHandler old;
 348         Panel *panel = systray.area.panel;
 349         int hide = 0;
 350
 351         error = FALSE;
 352         XWindowAttributes attr;
 353         if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
 354         unsigned long mask = 0;
 355         XSetWindowAttributes set_attr;
 356         Visual* visual = server.visual;
 357         //printf("icon with depth: %d, width %d, height %d\n", attr.depth, attr.width, attr.height);
 358         //printf("icon with depth: %d\n", attr.depth);
 359         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 360                 visual = attr.visual;
 361                 set_attr.colormap = attr.colormap;
 362                 set_attr.background_pixel = 0;
 363                 set_attr.border_pixel = 0;
 364                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 365         }
 366         else {
 367                 set_attr.background_pixmap = ParentRelative;
 368                 mask = CWBackPixmap;
 369         }
 370         Window parent_window;
 371         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, visual, mask, &set_attr);
 372         old = XSetErrorHandler(window_error_handler);
 373         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 374         XSync(server.dsp, False);
 375         XSetErrorHandler(old);
 376         if (error != FALSE) {
 377                 fprintf(stderr, "tint2 : not icon_swallow\n");
 378                 XDestroyWindow(server.dsp, parent_window);
 379                 return FALSE;
 380         }
 381
 382         {
 383                 Atom acttype;
 384                 int actfmt;
 385                 unsigned long nbitem, bytes;
 386                 unsigned char *data = 0;
 387                 int ret;
 388
 389                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 390                 if (ret == Success) {
 391                         if (data) {
 392                                 if (nbitem == 2) {
 393                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 394                                         //printf("hide %d\n", hide);
 395                                 }
 396                                 XFree(data);
 397                         }
 398                 }
 399                 else {
 400                         fprintf(stderr, "tint2 : xembed error\n");
 401                         XDestroyWindow(server.dsp, parent_window);
 402                         return FALSE;
 403                 }
 404         }
 405         {
 406                 XEvent e;
 407                 e.xclient.type = ClientMessage;
 408                 e.xclient.serial = 0;
 409                 e.xclient.send_event = True;
 410                 e.xclient.message_type = server.atom._XEMBED;
 411                 e.xclient.window = id;
 412                 e.xclient.format = 32;
 413                 e.xclient.data.l[0] = CurrentTime;
 414                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 415                 e.xclient.data.l[2] = 0;
 416                 e.xclient.data.l[3] = parent_window;
 417                 e.xclient.data.l[4] = 0;
 418                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 419         }
 420
 421         traywin = g_new0(TrayWindow, 1);
 422         traywin->id = parent_window;
 423         traywin->tray_id = id;
 424         traywin->hide = hide;
 425         traywin->depth = attr.depth;
 426         traywin->damage = 0;
 427
 428         if (systray.area.on_screen == 0)
 429                 systray.area.on_screen = 1;
 430
 431         if (systray.sort == 3)
 432                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 433         else if (systray.sort == 2)
 434                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 435         else
 436                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 437         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 438
 439         // watch for the icon trying to resize itself!
 440         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 441         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 442                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 443                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 444         }
 445
 446         // show the window
 447         if (!traywin->hide)
 448                 XMapWindow(server.dsp, traywin->tray_id);
 449         if (!traywin->hide && !panel->is_hidden)
 450                 XMapRaised(server.dsp, traywin->id);
 451
 452         // changed in systray
 453         systray.area.resize = 1;
 454         panel_refresh = 1;
 455         return TRUE;
 456 }
 457
 458
 459 void remove_icon(TrayWindow *traywin)
 460 {
 461         XErrorHandler old;
 462
 463         // remove from our list
 464         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 465         //printf("remove_icon id %lx, %d\n", traywin->id);
 466
 467         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 468         if (traywin->damage)
 469                 XDamageDestroy(server.dsp, traywin->damage);
 470
 471         // reparent to root
 472         error = FALSE;
 473         old = XSetErrorHandler(window_error_handler);
 474         if (!traywin->hide)
 475                 XUnmapWindow(server.dsp, traywin->tray_id);
 476         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 477         XDestroyWindow(server.dsp, traywin->id);
 478         XSync(server.dsp, False);
 479         XSetErrorHandler(old);
 480         if (traywin->render_timeout)
 481                 stop_timeout(traywin->render_timeout);
 482         g_free(traywin);
 483
 484         // check empty systray
 485         int count = 0;
 486         GSList *l;
 487         for (l = systray.list_icons; l ; l = l->next) {
 488                 if (!((TrayWindow*)l->data)->hide)
 489                         count++;
 490         }
 491         if (count == 0) {
 492                 systray.area.on_screen = 0;
 493                 systray.area.width = 0;
 494         }
 495         // changed in systray
 496         systray.area.resize = 1;
 497         panel_refresh = 1;
 498 }
 499
 500
 501 void net_message(XClientMessageEvent *e)
 502 {
 503         unsigned long opcode;
 504         Window id;
 505
 506         opcode = e->data.l[1];
 507         switch (opcode) {
 508                 case SYSTEM_TRAY_REQUEST_DOCK:
 509                         id = e->data.l[2];
 510                         if (id) add_icon(id);
 511                         break;
 512
 513                 case SYSTEM_TRAY_BEGIN_MESSAGE:
 514                 case SYSTEM_TRAY_CANCEL_MESSAGE:
 515                         // we don't show baloons messages.
 516                         break;
 517
 518                 default:
 519                         if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
 520                                 printf("message from dockapp: %s\n", e->data.b);
 521                         else
 522                                 fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
 523                         break;
 524         }
 525 }
 526
 527 void systray_render_icon_now(void* t)
 528 {
 529         // we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 530         // we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 531         TrayWindow* traywin = t;
 532         traywin->render_timeout = 0;
 533
 534         // good systray icons support 32 bit depth, but some icons are still 24 bit.
 535         // We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 536         // mask out all pixel with the same rgb value
 537         Panel* panel = systray.area.panel;
 538
 539         // Very ugly hack, but somehow imlib2 is not able to get the image from the traywindow itself,
 540         // so we first render the tray window onto a pixmap, and then we tell imlib2 to use this pixmap as
 541         // drawable. If someone knows why it does not work with the traywindow itself, please tell me ;)
 542         Pixmap tmp_pmap = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, 32);
 543         XRenderPictFormat* f;
 544         if (traywin->depth == 24)
 545                 f = XRenderFindStandardFormat(server.dsp, PictStandardRGB24);
 546         else if (traywin->depth == 32)
 547                 f = XRenderFindStandardFormat(server.dsp, PictStandardARGB32);
 548         else {
 549                 printf("Strange tray icon found with depth: %d\n", traywin->depth);
 550                 return;
 551         }
 552         Picture pict_image;
 553         //if (server.real_transparency)
 554                 //pict_image = XRenderCreatePicture(server.dsp, traywin->id, f, 0, 0);
 555         // reverted Rev 407 because here it's breaking alls icon with systray + xcompmgr
 556         pict_image = XRenderCreatePicture(server.dsp, traywin->tray_id, f, 0, 0);
 557         Picture pict_drawable = XRenderCreatePicture(server.dsp, tmp_pmap, XRenderFindVisualFormat(server.dsp, server.visual32), 0, 0);
 558         XRenderComposite(server.dsp, PictOpSrc, pict_image, None, pict_drawable, 0, 0, 0, 0, 0, 0, traywin->width, traywin->height);
 559         XRenderFreePicture(server.dsp, pict_image);
 560         XRenderFreePicture(server.dsp, pict_drawable);
 561         // end of the ugly hack and we can continue as before
 562
 563         imlib_context_set_visual(server.visual32);
 564         imlib_context_set_colormap(server.colormap32);
 565         imlib_context_set_drawable(tmp_pmap);
 566         Imlib_Image image = imlib_create_image_from_drawable(0, 0, 0, traywin->width, traywin->height, 1);
 567         if (image == 0)
 568                 return;
 569
 570         imlib_context_set_image(image);
 571         //if (traywin->depth == 24)
 572                 //imlib_save_image("/home/thil77/test.jpg");
 573         imlib_image_set_has_alpha(1);
 574         DATA32* data = imlib_image_get_data();
 575         if (traywin->depth == 24) {
 576                 createHeuristicMask(data, traywin->width, traywin->height);
 577         }
 578         if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)
 579                 adjust_asb(data, traywin->width, traywin->height, systray.alpha, (float)systray.saturation/100, (float)systray.brightness/100);
 580         imlib_image_put_back_data(data);
 581         XCopyArea(server.dsp, render_background, systray.area.pix, server.gc, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height, traywin->x-systray.area.posx, traywin->y-systray.area.posy);
 582         render_image(systray.area.pix, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height);
 583         XCopyArea(server.dsp, systray.area.pix, panel->main_win, server.gc, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height, traywin->x, traywin->y);
 584         imlib_free_image_and_decache();
 585         XFreePixmap(server.dsp, tmp_pmap);
 586         imlib_context_set_visual(server.visual);
 587         imlib_context_set_colormap(server.colormap);
 588
 589         if (traywin->damage)
 590                 XDamageSubtract(server.dsp, traywin->damage, None, None);
 591         XFlush(server.dsp);
 592 }
 593
 594
 595 void systray_render_icon(TrayWindow* traywin)
 596 {
 597         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 598                 // wine tray icons update whenever mouse is over them, so we limit the updates to 50 ms
 599                 if (traywin->render_timeout == 0)
 600                         traywin->render_timeout = add_timeout(50, 0, systray_render_icon_now, traywin);
 601         }
 602         else {
 603                 // comment by andreas: I'm still not sure, what exactly we need to do here... Somehow trayicons which do not
 604                 // offer the same depth as tint2 does, need to draw a background pixmap, but this cannot be done with
 605                 // XCopyArea... So we actually need XRenderComposite???
 606 //                      Pixmap pix = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, server.depth);
 607 //                      XCopyArea(server.dsp, panel->temp_pmap, pix, server.gc, traywin->x, traywin->y, traywin->width, traywin->height, 0, 0);
 608 //                      XSetWindowBackgroundPixmap(server.dsp, traywin->id, pix);
 609                 XClearArea(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, True);
 610         }
 611 }
 612
 613
 614 void refresh_systray_icon()
 615 {
 616         TrayWindow *traywin;
 617         GSList *l;
 618         for (l = systray.list_icons; l ; l = l->next) {
 619                 traywin = (TrayWindow*)l->data;
 620                 if (traywin->hide) continue;
 621                 systray_render_icon(traywin);
 622         }
 623 }