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 printf("*** default_systray()\n");
  60         memset(&systray, 0, sizeof(Systraybar));
  61         render_background = 0;
  62         systray.alpha = 100;
  63         systray.sort = 3;
  64         systray.area._draw_foreground = draw_systray;
  65         systray.area._resize = resize_systray;
  66 }
  67
  68 void cleanup_systray()
  69 {
  70         systray_enabled = 0;
  71         systray_max_icon_size = 0;
  72         systray.area.on_screen = 0;
  73         free_area(&systray.area);
  74         if (render_background) {
  75                 XFreePixmap(server.dsp, render_background);
  76                 render_background = 0;
  77         }
  78 }
  79
  80 void init_systray()
  81 {
  82         start_net();
  83
  84         if (!systray_enabled)
  85                 return;
  86
  87         if (!server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)) {
  88                 printf("No 32 bit visual for your X implementation. 'systray_asb = 100 0 0' will be forced\n");
  89                 systray.alpha = 100;
  90                 systray.brightness = systray.saturation = 0;
  91         }
  92         systray.area.resize = 1;
  93         systray.area.redraw = 1;
  94         systray.area.on_screen = 1;
  95         refresh_systray = 0;
  96 }
  97
  98
  99 void init_systray_panel(void *p)
 100 {
 101         Panel *panel =(Panel*)p;
 102
 103         if (panel_horizontal) {
 104                 systray.area.posy = panel->area.bg->border.width + panel->area.paddingy;
 105                 systray.area.height = panel->area.height - (2 * systray.area.posy);
 106         }
 107         else {
 108                 systray.area.posx = panel->area.bg->border.width + panel->area.paddingy;
 109                 systray.area.width = panel->area.width - (2 * panel->area.bg->border.width) - (2 * panel->area.paddingy);
 110         }
 111         systray.area.parent = p;
 112         systray.area.panel = p;
 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 void resize_systray(void *obj)
 129 {
 130         Systraybar *sysbar = obj;
 131         Panel *panel = sysbar->area.panel;
 132         TrayWindow *traywin;
 133         GSList *l;
 134         int count, icon_size;
 135         int icons_per_column=1, icons_per_row=1, marging=0;
 136
 137         if (panel_horizontal)
 138                 icon_size = sysbar->area.height;
 139         else
 140                 icon_size = sysbar->area.width;
 141         icon_size = icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 142         if (systray_max_icon_size > 0 && icon_size > systray_max_icon_size)
 143                 icon_size = systray_max_icon_size;
 144         count = 0;
 145         for (l = systray.list_icons; l ; l = l->next) {
 146                 if (!((TrayWindow*)l->data)->hide)
 147                         count++;
 148         }
 149         //printf("count %d\n", count);
 150
 151         if (panel_horizontal) {
 152                 if (!count) systray.area.width = 0;
 153                 else {
 154                         int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 155                         // here icons_per_column always higher than 0
 156                         icons_per_column = (height+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 157                         marging = height - (icons_per_column-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 158                         icons_per_row = count / icons_per_column + (count%icons_per_column != 0);
 159                         systray.area.width = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) + (icon_size * icons_per_row) + ((icons_per_row-1) * systray.area.paddingx);
 160                 }
 161
 162                 systray.area.posx = panel->area.width - panel->area.bg->border.width - panel->area.paddingxlr - systray.area.width;
 163                 if (panel->clock.area.on_screen)
 164                         systray.area.posx -= (panel->clock.area.width + panel->area.paddingx);
 165 #ifdef ENABLE_BATTERY
 166                 if (panel->battery.area.on_screen)
 167                         systray.area.posx -= (panel->battery.area.width + panel->area.paddingx);
 168 #endif
 169         }
 170         else {
 171                 if (!count) systray.area.height = 0;
 172                 else {
 173                         int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 174                         // here icons_per_row always higher than 0
 175                         icons_per_row = (width+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 176                         marging = width - (icons_per_row-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 177                         icons_per_column = count / icons_per_row+ (count%icons_per_row != 0);
 178                         systray.area.height = (2 * systray.area.bg->border.width) + (2 * systray.area.paddingxlr) + (icon_size * icons_per_column) + ((icons_per_column-1) * systray.area.paddingx);
 179                 }
 180
 181                 systray.area.posy = panel->area.bg->border.width + panel->area.paddingxlr;
 182                 if (panel->clock.area.on_screen)
 183                         systray.area.posy += (panel->clock.area.height + panel->area.paddingx);
 184 #ifdef ENABLE_BATTERY
 185                 if (panel->battery.area.on_screen)
 186                         systray.area.posy += (panel->battery.area.height + panel->area.paddingx);
 187 #endif
 188         }
 189
 190         int i, posx, posy;
 191         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +marging/2;
 192         if (panel_horizontal) {
 193                 posy = start;
 194                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 195         }
 196         else {
 197                 posx = start;
 198                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 199         }
 200
 201         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 202                 traywin = (TrayWindow*)l->data;
 203                 if (traywin->hide) continue;
 204
 205                 traywin->y = posy;
 206                 traywin->x = posx;
 207                 traywin->width = icon_size;
 208                 traywin->height = icon_size;
 209                 if (panel_horizontal) {
 210                         if (i % icons_per_column)
 211                                 posy += icon_size + sysbar->area.paddingx;
 212                         else {
 213                                 posy = start;
 214                                 posx += (icon_size + systray.area.paddingx);
 215                         }
 216                 }
 217                 else {
 218                         if (i % icons_per_row)
 219                                 posx += icon_size + systray.area.paddingx;
 220                         else {
 221                                 posx = start;
 222                                 posy += (icon_size + systray.area.paddingx);
 223                         }
 224                 }
 225
 226                 // position and size the icon window
 227                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, icon_size, icon_size);
 228                 XResizeWindow(server.dsp, traywin->tray_id, icon_size, icon_size);
 229         }
 230         // resize force the redraw
 231         systray.area.redraw = 1;
 232 }
 233
 234
 235 // ***********************************************
 236 // systray protocol
 237
 238 void start_net()
 239 {
 240         if (net_sel_win) {
 241                 // protocol already started
 242                 if (!systray_enabled)
 243                         stop_net();
 244                 return;
 245         }
 246         else
 247                 if (!systray_enabled)
 248                         return;
 249
 250         Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
 251
 252         // freedesktop systray specification
 253         if (win != None) {
 254                 // search pid
 255                 Atom _NET_WM_PID, actual_type;
 256                 int actual_format;
 257                 unsigned long nitems;
 258                 unsigned long bytes_after;
 259                 unsigned char *prop = 0;
 260                 int pid;
 261
 262                 _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 263                 int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
 264
 265                 fprintf(stderr, "tint2 : another systray is running");
 266                 if (ret == Success && prop) {
 267                         pid = prop[1] * 256;
 268                         pid += prop[0];
 269                         fprintf(stderr, " pid=%d", pid);
 270                 }
 271                 fprintf(stderr, "\n");
 272                 return;
 273         }
 274
 275         // init systray protocol
 276         net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
 277
 278         // v0.3 trayer specification. tint2 always horizontal.
 279         // Vertical panel will draw the systray horizontal.
 280         int orient = 0;
 281         XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
 282         VisualID vid;
 283         if (server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0))
 284                 vid = XVisualIDFromVisual(server.visual32);
 285         else
 286                 vid = XVisualIDFromVisual(server.visual);
 287         XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
 288
 289         XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
 290         if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
 291                 stop_net();
 292                 fprintf(stderr, "tint2 : can't get systray manager\n");
 293                 return;
 294         }
 295
 296         //fprintf(stderr, "tint2 : systray started\n");
 297         XClientMessageEvent ev;
 298         ev.type = ClientMessage;
 299         ev.window = server.root_win;
 300         ev.message_type = server.atom.MANAGER;
 301         ev.format = 32;
 302         ev.data.l[0] = CurrentTime;
 303         ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
 304         ev.data.l[2] = net_sel_win;
 305         ev.data.l[3] = 0;
 306         ev.data.l[4] = 0;
 307         XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
 308 }
 309
 310
 311 void stop_net()
 312 {
 313         //fprintf(stderr, "tint2 : systray stopped\n");
 314         if (systray.list_icons) {
 315                 // remove_icon change systray.list_icons
 316                 while(systray.list_icons)
 317                         remove_icon((TrayWindow*)systray.list_icons->data);
 318
 319                 g_slist_free(systray.list_icons);
 320                 systray.list_icons = 0;
 321         }
 322
 323         if (net_sel_win != None) {
 324                 XDestroyWindow(server.dsp, net_sel_win);
 325                 net_sel_win = None;
 326         }
 327 }
 328
 329
 330 gboolean error;
 331 int window_error_handler(Display *d, XErrorEvent *e)
 332 {
 333         d=d;e=e;
 334         error = TRUE;
 335         if (e->error_code != BadWindow) {
 336                 printf("error_handler %d\n", e->error_code);
 337         }
 338         return 0;
 339 }
 340
 341
 342 static gint compare_traywindows(gconstpointer a, gconstpointer b)
 343 {
 344         const TrayWindow * traywin_a = (TrayWindow*)a;
 345         const TrayWindow * traywin_b = (TrayWindow*)b;
 346         XTextProperty name_a, name_b;
 347
 348         if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
 349                 return -1;
 350         }
 351         else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
 352                 XFree(name_a.value);
 353                 return 1;
 354         }
 355         else {
 356                 gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
 357                 XFree(name_a.value);
 358                 XFree(name_b.value);
 359                 return retval;
 360         }
 361 }
 362
 363
 364 gboolean add_icon(Window id)
 365 {
 366         TrayWindow *traywin;
 367         XErrorHandler old;
 368         Panel *panel = systray.area.panel;
 369         int hide = 0;
 370
 371         error = FALSE;
 372         XWindowAttributes attr;
 373         if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
 374         unsigned long mask = 0;
 375         XSetWindowAttributes set_attr;
 376         printf("icon with depth: %d\n", attr.depth);
 377         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 378                 set_attr.colormap = attr.colormap;
 379                 set_attr.background_pixel = 0;
 380                 set_attr.border_pixel = 0;
 381                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 382         }
 383         else {
 384                 set_attr.background_pixmap = ParentRelative;
 385                 mask = CWBackPixmap;
 386         }
 387         Window parent_window;
 388         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, attr.visual, mask, &set_attr);
 389         old = XSetErrorHandler(window_error_handler);
 390         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 391         XSync(server.dsp, False);
 392         XSetErrorHandler(old);
 393         if (error != FALSE) {
 394                 fprintf(stderr, "tint2 : not icon_swallow\n");
 395                 XDestroyWindow(server.dsp, parent_window);
 396                 return FALSE;
 397         }
 398
 399         {
 400                 Atom acttype;
 401                 int actfmt;
 402                 unsigned long nbitem, bytes;
 403                 unsigned char *data = 0;
 404                 int ret;
 405
 406                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 407                 if (ret == Success) {
 408                         if (data) {
 409                                 if (nbitem == 2) {
 410                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 411                                         //printf("hide %d\n", hide);
 412                                 }
 413                                 XFree(data);
 414                         }
 415                 }
 416                 else {
 417                         fprintf(stderr, "tint2 : xembed error\n");
 418                         XDestroyWindow(server.dsp, parent_window);
 419                         return FALSE;
 420                 }
 421         }
 422         {
 423                 XEvent e;
 424                 e.xclient.type = ClientMessage;
 425                 e.xclient.serial = 0;
 426                 e.xclient.send_event = True;
 427                 e.xclient.message_type = server.atom._XEMBED;
 428                 e.xclient.window = id;
 429                 e.xclient.format = 32;
 430                 e.xclient.data.l[0] = CurrentTime;
 431                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 432                 e.xclient.data.l[2] = 0;
 433                 e.xclient.data.l[3] = parent_window;
 434                 e.xclient.data.l[4] = 0;
 435                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 436         }
 437
 438         printf("Adding systray with window: %d\n", id);
 439         traywin = g_new0(TrayWindow, 1);
 440         traywin->id = parent_window;
 441         traywin->tray_id = id;
 442         traywin->hide = hide;
 443         traywin->depth = attr.depth;
 444         traywin->damage = 0;
 445
 446         if (systray.sort == 3)
 447                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 448         else if (systray.sort == 2)
 449                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 450         else
 451                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 452         systray.area.resize = 1;
 453         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 454
 455         // watch for the icon trying to resize itself!
 456         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 457         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 458                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 459                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 460         }
 461
 462         // show the window
 463         if (!traywin->hide)
 464                 XMapWindow(server.dsp, traywin->tray_id);
 465         if (!traywin->hide && !panel->is_hidden)
 466                 XMapRaised(server.dsp, traywin->id);
 467
 468         // changed in systray force resize on panel
 469         panel->area.resize = 1;
 470         panel_refresh = 1;
 471         return TRUE;
 472 }
 473
 474
 475 void remove_icon(TrayWindow *traywin)
 476 {
 477         XErrorHandler old;
 478
 479         printf("Removing systray with window: %d\n", traywin->tray_id);
 480         // remove from our list
 481         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 482         systray.area.resize = 1;
 483         //printf("remove_icon id %lx, %d\n", traywin->id);
 484
 485         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 486         if (traywin->damage)
 487                 XDamageDestroy(server.dsp, traywin->damage);
 488
 489         // reparent to root
 490         error = FALSE;
 491         old = XSetErrorHandler(window_error_handler);
 492         if (!traywin->hide)
 493                 XUnmapWindow(server.dsp, traywin->tray_id);
 494         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 495         XDestroyWindow(server.dsp, traywin->id);
 496         XSync(server.dsp, False);
 497         XSetErrorHandler(old);
 498         if (traywin->render_timeout)
 499                 stop_timeout(traywin->render_timeout);
 500         g_free(traywin);
 501
 502         // changed in systray force resize on panel
 503         Panel *panel = systray.area.panel;
 504         panel->area.resize = 1;
 505         panel_refresh = 1;
 506 }
 507
 508
 509 void net_message(XClientMessageEvent *e)
 510 {
 511         unsigned long opcode;
 512         Window id;
 513
 514         opcode = e->data.l[1];
 515         switch (opcode) {
 516                 case SYSTEM_TRAY_REQUEST_DOCK:
 517                         id = e->data.l[2];
 518                         if (id) add_icon(id);
 519                         break;
 520
 521                 case SYSTEM_TRAY_BEGIN_MESSAGE:
 522                 case SYSTEM_TRAY_CANCEL_MESSAGE:
 523                         // we don't show baloons messages.
 524                         break;
 525
 526                 default:
 527                         if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
 528                                 printf("message from dockapp: %s\n", e->data.b);
 529                         else
 530                                 fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
 531                         break;
 532         }
 533 }
 534
 535 void systray_render_icon_now(void* t)
 536 {
 537         // we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 538         // we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 539         TrayWindow* traywin = t;
 540         traywin->render_timeout = 0;
 541
 542         // good systray icons support 32 bit depth, but some icons are still 24 bit.
 543         // We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 544         // mask out all pixel with the same rgb value
 545         Panel* panel = systray.area.panel;
 546
 547         // Very ugly hack, but somehow imlib2 is not able to get the image from the traywindow itself,
 548         // so we first render the tray window onto a pixmap, and then we tell imlib2 to use this pixmap as
 549         // drawable. If someone knows why it does not work with the traywindow itself, please tell me ;)
 550         Pixmap tmp_pmap = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, 32);
 551         XRenderPictFormat* f;
 552         if (traywin->depth == 24)
 553                 f = XRenderFindStandardFormat(server.dsp, PictStandardRGB24);
 554         else if (traywin->depth == 32)
 555                 f = XRenderFindStandardFormat(server.dsp, PictStandardARGB32);
 556         else {
 557                 printf("Strange tray icon found with depth: %d\n", traywin->depth);
 558                 return;
 559         }
 560         Picture pict_image;
 561         if (server.real_transparency)
 562                 pict_image = XRenderCreatePicture(server.dsp, traywin->id, f, 0, 0);
 563         else
 564                 pict_image = XRenderCreatePicture(server.dsp, traywin->tray_id, f, 0, 0);
 565         Picture pict_drawable = XRenderCreatePicture(server.dsp, tmp_pmap, XRenderFindVisualFormat(server.dsp, server.visual32), 0, 0);
 566         XRenderComposite(server.dsp, PictOpSrc, pict_image, None, pict_drawable, 0, 0, 0, 0, 0, 0, traywin->width, traywin->height);
 567         XRenderFreePicture(server.dsp, pict_image);
 568         XRenderFreePicture(server.dsp, pict_drawable);
 569         // end of the ugly hack and we can continue as before
 570
 571         imlib_context_set_visual(server.visual32);
 572         imlib_context_set_colormap(server.colormap32);
 573         imlib_context_set_drawable(tmp_pmap);
 574         Imlib_Image image = imlib_create_image_from_drawable(0, 0, 0, traywin->width, traywin->height, 1);
 575         if (image == 0)
 576                 return;
 577
 578         imlib_context_set_image(image);
 579         imlib_image_set_has_alpha(1);
 580         DATA32* data = imlib_image_get_data();
 581         if (traywin->depth == 24) {
 582                 createHeuristicMask(data, traywin->width, traywin->height);
 583         }
 584         if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)
 585                 adjust_asb(data, traywin->width, traywin->height, systray.alpha, (float)systray.saturation/100, (float)systray.brightness/100);
 586         imlib_image_put_back_data(data);
 587         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);
 588         render_image(systray.area.pix, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height);
 589         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);
 590         imlib_free_image_and_decache();
 591         XFreePixmap(server.dsp, tmp_pmap);
 592         imlib_context_set_visual(server.visual);
 593         imlib_context_set_colormap(server.colormap);
 594
 595         if (traywin->damage)
 596                 XDamageSubtract(server.dsp, traywin->damage, None, None);
 597         XFlush(server.dsp);
 598 }
 599
 600
 601 void systray_render_icon(TrayWindow* traywin)
 602 {
 603         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 604                 // wine tray icons update whenever mouse is over them, so we limit the updates to 50 ms
 605                 if (traywin->render_timeout == 0)
 606                         traywin->render_timeout = add_timeout(50, 0, systray_render_icon_now, traywin);
 607         }
 608         else {
 609                 // comment by andreas: I'm still not sure, what exactly we need to do here... Somehow trayicons which do not
 610                 // offer the same depth as tint2 does, need to draw a background pixmap, but this cannot be done with
 611                 // XCopyArea... So we actually need XRenderComposite???
 612 //                      Pixmap pix = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, server.depth);
 613 //                      XCopyArea(server.dsp, panel->temp_pmap, pix, server.gc, traywin->x, traywin->y, traywin->width, traywin->height, 0, 0);
 614 //                      XSetWindowBackgroundPixmap(server.dsp, traywin->id, pix);
 615                 XClearArea(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, True);
 616         }
 617 }
 618
 619
 620 void refresh_systray_icon()
 621 {
 622         TrayWindow *traywin;
 623         GSList *l;
 624         for (l = systray.list_icons; l ; l = l->next) {
 625                 traywin = (TrayWindow*)l->data;
 626                 if (traywin->hide) continue;
 627                 systray_render_icon(traywin);
 628         }
 629 }