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