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._on_change_layout = on_change_systray;
  65         systray.area.size_mode = SIZE_BY_CONTENT;
  66         systray.area._resize = resize_systray;
  67 }
  68
  69 void cleanup_systray()
  70 {
  71         stop_net();
  72         systray_enabled = 0;
  73         systray_max_icon_size = 0;
  74         systray.area.on_screen = 0;
  75         free_area(&systray.area);
  76         if (render_background) {
  77                 XFreePixmap(server.dsp, render_background);
  78                 render_background = 0;
  79         }
  80 }
  81
  82 void init_systray()
  83 {
  84         start_net();
  85
  86         if (!systray_enabled)
  87                 return;
  88
  89         if (!server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)) {
  90                 printf("No 32 bit visual for your X implementation. 'systray_asb = 100 0 0' will be forced\n");
  91                 systray.alpha = 100;
  92                 systray.brightness = systray.saturation = 0;
  93         }
  94 }
  95
  96
  97 void init_systray_panel(void *p)
  98 {
  99         systray.area.parent = p;
 100         systray.area.panel = p;
 101
 102         GSList *l;
 103         int count = 0;
 104         for (l = systray.list_icons; l ; l = l->next) {
 105                 if (!((TrayWindow*)l->data)->hide)
 106                         count++;
 107         }
 108         if (count == 0)
 109                 hide(&systray.area);
 110         else
 111                 show(&systray.area);
 112         refresh_systray = 0;
 113 }
 114
 115
 116 void draw_systray(void *obj, cairo_t *c)
 117 {
 118         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 119                 if (render_background) XFreePixmap(server.dsp, render_background);
 120                 render_background = XCreatePixmap(server.dsp, server.root_win, systray.area.width, systray.area.height, server.depth);
 121                 XCopyArea(server.dsp, systray.area.pix, render_background, server.gc, 0, 0, systray.area.width, systray.area.height, 0, 0);
 122         }
 123
 124         refresh_systray = 1;
 125 }
 126
 127
 128 int resize_systray(void *obj)
 129 {
 130         Systraybar *sysbar = obj;
 131         GSList *l;
 132         int count;
 133
 134         if (panel_horizontal)
 135                 sysbar->icon_size = sysbar->area.height;
 136         else
 137                 sysbar->icon_size = sysbar->area.width;
 138         sysbar->icon_size = sysbar->icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 139         if (systray_max_icon_size > 0 && sysbar->icon_size > systray_max_icon_size)
 140                 sysbar->icon_size = systray_max_icon_size;
 141         count = 0;
 142         for (l = systray.list_icons; l ; l = l->next) {
 143                 if (!((TrayWindow*)l->data)->hide)
 144                         count++;
 145         }
 146         //printf("count %d\n", count);
 147
 148         if (panel_horizontal) {
 149                 int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 150                 // here icons_per_column always higher than 0
 151                 sysbar->icons_per_column = (height+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 152                 sysbar->marging = height - (sysbar->icons_per_column-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 153                 sysbar->icons_per_row = count / sysbar->icons_per_column + (count%sysbar->icons_per_column != 0);
 154                 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);
 155         }
 156         else {
 157                 int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 158                 // here icons_per_row always higher than 0
 159                 sysbar->icons_per_row = (width+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 160                 sysbar->marging = width - (sysbar->icons_per_row-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 161                 sysbar->icons_per_column = count / sysbar->icons_per_row+ (count%sysbar->icons_per_row != 0);
 162                 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);
 163         }
 164         return 1;
 165 }
 166
 167
 168 void on_change_systray (void *obj)
 169 {
 170         // here, sysbar's position is defined. so we can calculate position of tray icon.
 171         Systraybar *sysbar = obj;
 172         Panel *panel = sysbar->area.panel;
 173         int i, posx, posy;
 174         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +sysbar->marging/2;
 175         if (panel_horizontal) {
 176                 posy = start;
 177                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 178         }
 179         else {
 180                 posx = start;
 181                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 182         }
 183
 184         TrayWindow *traywin;
 185         GSList *l;
 186         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 187                 traywin = (TrayWindow*)l->data;
 188                 if (traywin->hide) continue;
 189
 190                 traywin->y = posy;
 191                 traywin->x = posx;
 192                 traywin->width = sysbar->icon_size;
 193                 traywin->height = sysbar->icon_size;
 194                 if (panel_horizontal) {
 195                         if (i % sysbar->icons_per_column)
 196                                 posy += sysbar->icon_size + sysbar->area.paddingx;
 197                         else {
 198                                 posy = start;
 199                                 posx += (sysbar->icon_size + systray.area.paddingx);
 200                         }
 201                 }
 202                 else {
 203                         if (i % sysbar->icons_per_row)
 204                                 posx += sysbar->icon_size + systray.area.paddingx;
 205                         else {
 206                                 posx = start;
 207                                 posy += (sysbar->icon_size + systray.area.paddingx);
 208                         }
 209                 }
 210
 211                 // position and size the icon window
 212                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, sysbar->icon_size, sysbar->icon_size);
 213                 XResizeWindow(server.dsp, traywin->tray_id, sysbar->icon_size, sysbar->icon_size);
 214         }
 215 }
 216
 217
 218 // ***********************************************
 219 // systray protocol
 220
 221 void start_net()
 222 {
 223         if (net_sel_win) {
 224                 // protocol already started
 225                 if (!systray_enabled)
 226                         stop_net();
 227                 return;
 228         }
 229         else
 230                 if (!systray_enabled)
 231                         return;
 232
 233         Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
 234
 235         // freedesktop systray specification
 236         if (win != None) {
 237                 // search pid
 238                 Atom _NET_WM_PID, actual_type;
 239                 int actual_format;
 240                 unsigned long nitems;
 241                 unsigned long bytes_after;
 242                 unsigned char *prop = 0;
 243                 int pid;
 244
 245                 _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 246                 int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
 247
 248                 fprintf(stderr, "tint2 : another systray is running");
 249                 if (ret == Success && prop) {
 250                         pid = prop[1] * 256;
 251                         pid += prop[0];
 252                         fprintf(stderr, " pid=%d", pid);
 253                 }
 254                 fprintf(stderr, "\n");
 255                 return;
 256         }
 257
 258         // init systray protocol
 259         net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
 260
 261         // v0.3 trayer specification. tint2 always horizontal.
 262         // Vertical panel will draw the systray horizontal.
 263         long orient = 0;
 264         XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
 265         VisualID vid;
 266         if (server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0))
 267                 vid = XVisualIDFromVisual(server.visual32);
 268         else
 269                 vid = XVisualIDFromVisual(server.visual);
 270         XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
 271
 272         XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
 273         if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
 274                 stop_net();
 275                 fprintf(stderr, "tint2 : can't get systray manager\n");
 276                 return;
 277         }
 278
 279         //fprintf(stderr, "tint2 : systray started\n");
 280         XClientMessageEvent ev;
 281         ev.type = ClientMessage;
 282         ev.window = server.root_win;
 283         ev.message_type = server.atom.MANAGER;
 284         ev.format = 32;
 285         ev.data.l[0] = CurrentTime;
 286         ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
 287         ev.data.l[2] = net_sel_win;
 288         ev.data.l[3] = 0;
 289         ev.data.l[4] = 0;
 290         XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
 291 }
 292
 293
 294 void stop_net()
 295 {
 296         //fprintf(stderr, "tint2 : systray stopped\n");
 297         if (systray.list_icons) {
 298                 // remove_icon change systray.list_icons
 299                 while(systray.list_icons)
 300                         remove_icon((TrayWindow*)systray.list_icons->data);
 301
 302                 g_slist_free(systray.list_icons);
 303                 systray.list_icons = 0;
 304         }
 305
 306         if (net_sel_win != None) {
 307                 XDestroyWindow(server.dsp, net_sel_win);
 308                 net_sel_win = None;
 309         }
 310 }
 311
 312
 313 gboolean error;
 314 int window_error_handler(Display *d, XErrorEvent *e)
 315 {
 316         d=d;e=e;
 317         error = TRUE;
 318         if (e->error_code != BadWindow) {
 319                 printf("error_handler %d\n", e->error_code);
 320         }
 321         return 0;
 322 }
 323
 324
 325 static gint compare_traywindows(gconstpointer a, gconstpointer b)
 326 {
 327         const TrayWindow * traywin_a = (TrayWindow*)a;
 328         const TrayWindow * traywin_b = (TrayWindow*)b;
 329         XTextProperty name_a, name_b;
 330
 331         if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
 332                 return -1;
 333         }
 334         else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
 335                 XFree(name_a.value);
 336                 return 1;
 337         }
 338         else {
 339                 gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
 340                 XFree(name_a.value);
 341                 XFree(name_b.value);
 342                 return retval;
 343         }
 344 }
 345
 346
 347 gboolean add_icon(Window id)
 348 {
 349         TrayWindow *traywin;
 350         XErrorHandler old;
 351         Panel *panel = systray.area.panel;
 352         int hide = 0;
 353
 354         error = FALSE;
 355         XWindowAttributes attr;
 356         if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
 357         unsigned long mask = 0;
 358         XSetWindowAttributes set_attr;
 359         Visual* visual = server.visual;
 360         //printf("icon with depth: %d, width %d, height %d\n", attr.depth, attr.width, attr.height);
 361         //printf("icon with depth: %d\n", attr.depth);
 362         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 363                 visual = attr.visual;
 364                 set_attr.colormap = attr.colormap;
 365                 set_attr.background_pixel = 0;
 366                 set_attr.border_pixel = 0;
 367                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 368         }
 369         else {
 370                 set_attr.background_pixmap = ParentRelative;
 371                 mask = CWBackPixmap;
 372         }
 373         Window parent_window;
 374         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, visual, mask, &set_attr);
 375         old = XSetErrorHandler(window_error_handler);
 376         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 377         XSync(server.dsp, False);
 378         XSetErrorHandler(old);
 379         if (error != FALSE) {
 380                 fprintf(stderr, "tint2 : not icon_swallow\n");
 381                 XDestroyWindow(server.dsp, parent_window);
 382                 return FALSE;
 383         }
 384
 385         {
 386                 Atom acttype;
 387                 int actfmt;
 388                 unsigned long nbitem, bytes;
 389                 unsigned char *data = 0;
 390                 int ret;
 391
 392                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 393                 if (ret == Success) {
 394                         if (data) {
 395                                 if (nbitem == 2) {
 396                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 397                                         //printf("hide %d\n", hide);
 398                                 }
 399                                 XFree(data);
 400                         }
 401                 }
 402                 else {
 403                         fprintf(stderr, "tint2 : xembed error\n");
 404                         XDestroyWindow(server.dsp, parent_window);
 405                         return FALSE;
 406                 }
 407         }
 408         {
 409                 XEvent e;
 410                 e.xclient.type = ClientMessage;
 411                 e.xclient.serial = 0;
 412                 e.xclient.send_event = True;
 413                 e.xclient.message_type = server.atom._XEMBED;
 414                 e.xclient.window = id;
 415                 e.xclient.format = 32;
 416                 e.xclient.data.l[0] = CurrentTime;
 417                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 418                 e.xclient.data.l[2] = 0;
 419                 e.xclient.data.l[3] = parent_window;
 420                 e.xclient.data.l[4] = 0;
 421                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 422         }
 423
 424         traywin = g_new0(TrayWindow, 1);
 425         traywin->id = parent_window;
 426         traywin->tray_id = id;
 427         traywin->hide = hide;
 428         traywin->depth = attr.depth;
 429         traywin->damage = 0;
 430
 431         if (systray.area.on_screen == 0)
 432                 show(&systray.area);
 433
 434         if (systray.sort == 3)
 435                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 436         else if (systray.sort == 2)
 437                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 438         else
 439                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 440         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 441
 442         // watch for the icon trying to resize itself!
 443         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 444         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 445                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 446                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 447         }
 448
 449         // show the window
 450         if (!traywin->hide)
 451                 XMapWindow(server.dsp, traywin->tray_id);
 452         if (!traywin->hide && !panel->is_hidden)
 453                 XMapRaised(server.dsp, traywin->id);
 454
 455         // changed in systray
 456         systray.area.resize = 1;
 457         panel_refresh = 1;
 458         return TRUE;
 459 }
 460
 461
 462 void remove_icon(TrayWindow *traywin)
 463 {
 464         XErrorHandler old;
 465
 466         // remove from our list
 467         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 468         //printf("remove_icon id %lx, %d\n", traywin->id);
 469
 470         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 471         if (traywin->damage)
 472                 XDamageDestroy(server.dsp, traywin->damage);
 473
 474         // reparent to root
 475         error = FALSE;
 476         old = XSetErrorHandler(window_error_handler);
 477         if (!traywin->hide)
 478                 XUnmapWindow(server.dsp, traywin->tray_id);
 479         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 480         XDestroyWindow(server.dsp, traywin->id);
 481         XSync(server.dsp, False);
 482         XSetErrorHandler(old);
 483         if (traywin->render_timeout)
 484                 stop_timeout(traywin->render_timeout);
 485         g_free(traywin);
 486
 487         // check empty systray
 488         int count = 0;
 489         GSList *l;
 490         for (l = systray.list_icons; l ; l = l->next) {
 491                 if (!((TrayWindow*)l->data)->hide)
 492                         count++;
 493         }
 494         if (count == 0)
 495                 hide(&systray.area);
 496
 497         // changed in systray
 498         systray.area.resize = 1;
 499         panel_refresh = 1;
 500 }
 501
 502
 503 void net_message(XClientMessageEvent *e)
 504 {
 505         unsigned long opcode;
 506         Window id;
 507
 508         opcode = e->data.l[1];
 509         switch (opcode) {
 510                 case SYSTEM_TRAY_REQUEST_DOCK:
 511                         id = e->data.l[2];
 512                         if (id) add_icon(id);
 513                         break;
 514
 515                 case SYSTEM_TRAY_BEGIN_MESSAGE:
 516                 case SYSTEM_TRAY_CANCEL_MESSAGE:
 517                         // we don't show baloons messages.
 518                         break;
 519
 520                 default:
 521                         if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
 522                                 printf("message from dockapp: %s\n", e->data.b);
 523                         else
 524                                 fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
 525                         break;
 526         }
 527 }
 528
 529 void systray_render_icon_now(void* t)
 530 {
 531         // we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 532         // we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 533         TrayWindow* traywin = t;
 534         traywin->render_timeout = 0;
 535
 536         // good systray icons support 32 bit depth, but some icons are still 24 bit.
 537         // We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 538         // mask out all pixel with the same rgb value
 539         Panel* panel = systray.area.panel;
 540
 541         // Very ugly hack, but somehow imlib2 is not able to get the image from the traywindow itself,
 542         // so we first render the tray window onto a pixmap, and then we tell imlib2 to use this pixmap as
 543         // drawable. If someone knows why it does not work with the traywindow itself, please tell me ;)
 544         Pixmap tmp_pmap = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, 32);
 545         XRenderPictFormat* f;
 546         if (traywin->depth == 24)
 547                 f = XRenderFindStandardFormat(server.dsp, PictStandardRGB24);
 548         else if (traywin->depth == 32)
 549                 f = XRenderFindStandardFormat(server.dsp, PictStandardARGB32);
 550         else {
 551                 printf("Strange tray icon found with depth: %d\n", traywin->depth);
 552                 return;
 553         }
 554         Picture pict_image;
 555         //if (server.real_transparency)
 556                 //pict_image = XRenderCreatePicture(server.dsp, traywin->id, f, 0, 0);
 557         // reverted Rev 407 because here it's breaking alls icon with systray + xcompmgr
 558         pict_image = XRenderCreatePicture(server.dsp, traywin->tray_id, f, 0, 0);
 559         Picture pict_drawable = XRenderCreatePicture(server.dsp, tmp_pmap, XRenderFindVisualFormat(server.dsp, server.visual32), 0, 0);
 560         XRenderComposite(server.dsp, PictOpSrc, pict_image, None, pict_drawable, 0, 0, 0, 0, 0, 0, traywin->width, traywin->height);
 561         XRenderFreePicture(server.dsp, pict_image);
 562         XRenderFreePicture(server.dsp, pict_drawable);
 563         // end of the ugly hack and we can continue as before
 564
 565         imlib_context_set_visual(server.visual32);
 566         imlib_context_set_colormap(server.colormap32);
 567         imlib_context_set_drawable(tmp_pmap);
 568         Imlib_Image image = imlib_create_image_from_drawable(0, 0, 0, traywin->width, traywin->height, 1);
 569         if (image == 0)
 570                 return;
 571
 572         imlib_context_set_image(image);
 573         //if (traywin->depth == 24)
 574                 //imlib_save_image("/home/thil77/test.jpg");
 575         imlib_image_set_has_alpha(1);
 576         DATA32* data = imlib_image_get_data();
 577         if (traywin->depth == 24) {
 578                 createHeuristicMask(data, traywin->width, traywin->height);
 579         }
 580         if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)
 581                 adjust_asb(data, traywin->width, traywin->height, systray.alpha, (float)systray.saturation/100, (float)systray.brightness/100);
 582         imlib_image_put_back_data(data);
 583         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);
 584         render_image(systray.area.pix, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height);
 585         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);
 586         imlib_free_image_and_decache();
 587         XFreePixmap(server.dsp, tmp_pmap);
 588         imlib_context_set_visual(server.visual);
 589         imlib_context_set_colormap(server.colormap);
 590
 591         if (traywin->damage)
 592                 XDamageSubtract(server.dsp, traywin->damage, None, None);
 593         XFlush(server.dsp);
 594 }
 595
 596
 597 void systray_render_icon(TrayWindow* traywin)
 598 {
 599         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 600                 // wine tray icons update whenever mouse is over them, so we limit the updates to 50 ms
 601                 if (traywin->render_timeout == 0)
 602                         traywin->render_timeout = add_timeout(50, 0, systray_render_icon_now, traywin);
 603         }
 604         else {
 605                 // comment by andreas: I'm still not sure, what exactly we need to do here... Somehow trayicons which do not
 606                 // offer the same depth as tint2 does, need to draw a background pixmap, but this cannot be done with
 607                 // XCopyArea... So we actually need XRenderComposite???
 608 //                      Pixmap pix = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, server.depth);
 609 //                      XCopyArea(server.dsp, panel->temp_pmap, pix, server.gc, traywin->x, traywin->y, traywin->width, traywin->height, 0, 0);
 610 //                      XSetWindowBackgroundPixmap(server.dsp, traywin->id, pix);
 611                 XClearArea(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, True);
 612         }
 613 }
 614
 615
 616 void refresh_systray_icon()
 617 {
 618         TrayWindow *traywin;
 619         GSList *l;
 620         for (l = systray.list_icons; l ; l = l->next) {
 621                 traywin = (TrayWindow*)l->data;
 622                 if (traywin->hide) continue;
 623                 systray_render_icon(traywin);
 624         }
 625 }