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         systray.area.resize = 1;
  94         systray.area.redraw = 1;
  95         systray.area.on_screen = 1;
  96         refresh_systray = 0;
  97 }
  98
  99
 100 void init_systray_panel(void *p)
 101 {
 102         Panel *panel =(Panel*)p;
 103
 104         if (panel_horizontal) {
 105                 systray.area.posy = panel->area.bg->border.width + panel->area.paddingy;
 106                 systray.area.height = panel->area.height - (2 * systray.area.posy);
 107         }
 108         else {
 109                 systray.area.posx = panel->area.bg->border.width + panel->area.paddingy;
 110                 systray.area.width = panel->area.width - (2 * panel->area.bg->border.width) - (2 * panel->area.paddingy);
 111         }
 112         systray.area.parent = p;
 113         systray.area.panel = p;
 114 }
 115
 116
 117 void draw_systray(void *obj, cairo_t *c)
 118 {
 119         // TODO : position and size the icon window when position of systray is known
 120         Systraybar *sysbar = obj;
 121         Panel *panel = sysbar->area.panel;
 122         int i, posx, posy, marging=3, icons_per_column=1, icons_per_row=1;
 123         int icon_size = 24;
 124         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +marging/2;
 125         if (panel_horizontal) {
 126                 posy = start;
 127                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 128         }
 129         else {
 130                 posx = start;
 131                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 132         }
 133
 134         TrayWindow *traywin;
 135         GSList *l;
 136         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 137                 traywin = (TrayWindow*)l->data;
 138                 if (traywin->hide) continue;
 139
 140                 traywin->y = posy;
 141                 traywin->x = posx;
 142                 traywin->width = icon_size;
 143                 traywin->height = icon_size;
 144                 if (panel_horizontal) {
 145                         if (i % icons_per_column)
 146                                 posy += icon_size + sysbar->area.paddingx;
 147                         else {
 148                                 posy = start;
 149                                 posx += (icon_size + systray.area.paddingx);
 150                         }
 151                 }
 152                 else {
 153                         if (i % icons_per_row)
 154                                 posx += icon_size + systray.area.paddingx;
 155                         else {
 156                                 posx = start;
 157                                 posy += (icon_size + systray.area.paddingx);
 158                         }
 159                 }
 160
 161                 // position and size the icon window
 162                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, icon_size, icon_size);
 163                 XResizeWindow(server.dsp, traywin->tray_id, icon_size, icon_size);
 164         }
 165
 166         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 167                 if (render_background) XFreePixmap(server.dsp, render_background);
 168                 render_background = XCreatePixmap(server.dsp, server.root_win, systray.area.width, systray.area.height, server.depth);
 169                 XCopyArea(server.dsp, systray.area.pix, render_background, server.gc, 0, 0, systray.area.width, systray.area.height, 0, 0);
 170         }
 171
 172         refresh_systray = 1;
 173 }
 174
 175
 176 int resize_systray(void *obj)
 177 {
 178         Systraybar *sysbar = obj;
 179         GSList *l;
 180         int count, icon_size;
 181         int icons_per_column=1, icons_per_row=1, marging=0;
 182
 183         if (panel_horizontal)
 184                 icon_size = sysbar->area.height;
 185         else
 186                 icon_size = sysbar->area.width;
 187         icon_size = icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 188         if (systray_max_icon_size > 0 && icon_size > systray_max_icon_size)
 189                 icon_size = systray_max_icon_size;
 190         count = 0;
 191         for (l = systray.list_icons; l ; l = l->next) {
 192                 if (!((TrayWindow*)l->data)->hide)
 193                         count++;
 194         }
 195         //printf("count %d\n", count);
 196
 197         if (panel_horizontal) {
 198                 if (!count) systray.area.width = 0;
 199                 else {
 200                         int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 201                         // here icons_per_column always higher than 0
 202                         icons_per_column = (height+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 203                         marging = height - (icons_per_column-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 204                         icons_per_row = count / icons_per_column + (count%icons_per_column != 0);
 205                         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);
 206                 }
 207         }
 208         else {
 209                 if (!count) systray.area.height = 0;
 210                 else {
 211                         int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 212                         // here icons_per_row always higher than 0
 213                         icons_per_row = (width+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 214                         marging = width - (icons_per_row-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 215                         icons_per_column = count / icons_per_row+ (count%icons_per_row != 0);
 216                         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);
 217                 }
 218         }
 219         return 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         long 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         Visual* visual = server.visual;
 365         //printf("icon with depth: %d, width %d, height %d\n", attr.depth, attr.width, attr.height);
 366         //printf("icon with depth: %d\n", attr.depth);
 367         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 368                 visual = attr.visual;
 369                 set_attr.colormap = attr.colormap;
 370                 set_attr.background_pixel = 0;
 371                 set_attr.border_pixel = 0;
 372                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 373         }
 374         else {
 375                 set_attr.background_pixmap = ParentRelative;
 376                 mask = CWBackPixmap;
 377         }
 378         Window parent_window;
 379         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, visual, mask, &set_attr);
 380         old = XSetErrorHandler(window_error_handler);
 381         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 382         XSync(server.dsp, False);
 383         XSetErrorHandler(old);
 384         if (error != FALSE) {
 385                 fprintf(stderr, "tint2 : not icon_swallow\n");
 386                 XDestroyWindow(server.dsp, parent_window);
 387                 return FALSE;
 388         }
 389
 390         {
 391                 Atom acttype;
 392                 int actfmt;
 393                 unsigned long nbitem, bytes;
 394                 unsigned char *data = 0;
 395                 int ret;
 396
 397                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 398                 if (ret == Success) {
 399                         if (data) {
 400                                 if (nbitem == 2) {
 401                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 402                                         //printf("hide %d\n", hide);
 403                                 }
 404                                 XFree(data);
 405                         }
 406                 }
 407                 else {
 408                         fprintf(stderr, "tint2 : xembed error\n");
 409                         XDestroyWindow(server.dsp, parent_window);
 410                         return FALSE;
 411                 }
 412         }
 413         {
 414                 XEvent e;
 415                 e.xclient.type = ClientMessage;
 416                 e.xclient.serial = 0;
 417                 e.xclient.send_event = True;
 418                 e.xclient.message_type = server.atom._XEMBED;
 419                 e.xclient.window = id;
 420                 e.xclient.format = 32;
 421                 e.xclient.data.l[0] = CurrentTime;
 422                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 423                 e.xclient.data.l[2] = 0;
 424                 e.xclient.data.l[3] = parent_window;
 425                 e.xclient.data.l[4] = 0;
 426                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 427         }
 428
 429         traywin = g_new0(TrayWindow, 1);
 430         traywin->id = parent_window;
 431         traywin->tray_id = id;
 432         traywin->hide = hide;
 433         traywin->depth = attr.depth;
 434         traywin->damage = 0;
 435
 436         if (systray.sort == 3)
 437                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 438         else if (systray.sort == 2)
 439                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 440         else
 441                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 442         systray.area.resize = 1;
 443         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 444
 445         // watch for the icon trying to resize itself!
 446         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 447         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 448                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 449                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 450         }
 451
 452         // show the window
 453         if (!traywin->hide)
 454                 XMapWindow(server.dsp, traywin->tray_id);
 455         if (!traywin->hide && !panel->is_hidden)
 456                 XMapRaised(server.dsp, traywin->id);
 457
 458         // changed in systray force resize on panel
 459         panel->area.resize = 1;
 460         panel_refresh = 1;
 461         return TRUE;
 462 }
 463
 464
 465 void remove_icon(TrayWindow *traywin)
 466 {
 467         XErrorHandler old;
 468
 469         // remove from our list
 470         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 471         systray.area.resize = 1;
 472         //printf("remove_icon id %lx, %d\n", traywin->id);
 473
 474         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 475         if (traywin->damage)
 476                 XDamageDestroy(server.dsp, traywin->damage);
 477
 478         // reparent to root
 479         error = FALSE;
 480         old = XSetErrorHandler(window_error_handler);
 481         if (!traywin->hide)
 482                 XUnmapWindow(server.dsp, traywin->tray_id);
 483         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 484         XDestroyWindow(server.dsp, traywin->id);
 485         XSync(server.dsp, False);
 486         XSetErrorHandler(old);
 487         if (traywin->render_timeout)
 488                 stop_timeout(traywin->render_timeout);
 489         g_free(traywin);
 490
 491         // changed in systray force resize on panel
 492         Panel *panel = systray.area.panel;
 493         panel->area.resize = 1;
 494         panel_refresh = 1;
 495 }
 496
 497
 498 void net_message(XClientMessageEvent *e)
 499 {
 500         unsigned long opcode;
 501         Window id;
 502
 503         opcode = e->data.l[1];
 504         switch (opcode) {
 505                 case SYSTEM_TRAY_REQUEST_DOCK:
 506                         id = e->data.l[2];
 507                         if (id) add_icon(id);
 508                         break;
 509
 510                 case SYSTEM_TRAY_BEGIN_MESSAGE:
 511                 case SYSTEM_TRAY_CANCEL_MESSAGE:
 512                         // we don't show baloons messages.
 513                         break;
 514
 515                 default:
 516                         if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
 517                                 printf("message from dockapp: %s\n", e->data.b);
 518                         else
 519                                 fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
 520                         break;
 521         }
 522 }
 523
 524 void systray_render_icon_now(void* t)
 525 {
 526         // we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 527         // we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 528         TrayWindow* traywin = t;
 529         traywin->render_timeout = 0;
 530
 531         // good systray icons support 32 bit depth, but some icons are still 24 bit.
 532         // We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 533         // mask out all pixel with the same rgb value
 534         Panel* panel = systray.area.panel;
 535
 536         // Very ugly hack, but somehow imlib2 is not able to get the image from the traywindow itself,
 537         // so we first render the tray window onto a pixmap, and then we tell imlib2 to use this pixmap as
 538         // drawable. If someone knows why it does not work with the traywindow itself, please tell me ;)
 539         Pixmap tmp_pmap = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, 32);
 540         XRenderPictFormat* f;
 541         if (traywin->depth == 24)
 542                 f = XRenderFindStandardFormat(server.dsp, PictStandardRGB24);
 543         else if (traywin->depth == 32)
 544                 f = XRenderFindStandardFormat(server.dsp, PictStandardARGB32);
 545         else {
 546                 printf("Strange tray icon found with depth: %d\n", traywin->depth);
 547                 return;
 548         }
 549         Picture pict_image;
 550         //if (server.real_transparency)
 551                 //pict_image = XRenderCreatePicture(server.dsp, traywin->id, f, 0, 0);
 552         // reverted Rev 407 because here it's breaking alls icon with systray + xcompmgr
 553         pict_image = XRenderCreatePicture(server.dsp, traywin->tray_id, f, 0, 0);
 554         Picture pict_drawable = XRenderCreatePicture(server.dsp, tmp_pmap, XRenderFindVisualFormat(server.dsp, server.visual32), 0, 0);
 555         XRenderComposite(server.dsp, PictOpSrc, pict_image, None, pict_drawable, 0, 0, 0, 0, 0, 0, traywin->width, traywin->height);
 556         XRenderFreePicture(server.dsp, pict_image);
 557         XRenderFreePicture(server.dsp, pict_drawable);
 558         // end of the ugly hack and we can continue as before
 559
 560         imlib_context_set_visual(server.visual32);
 561         imlib_context_set_colormap(server.colormap32);
 562         imlib_context_set_drawable(tmp_pmap);
 563         Imlib_Image image = imlib_create_image_from_drawable(0, 0, 0, traywin->width, traywin->height, 1);
 564         if (image == 0)
 565                 return;
 566
 567         imlib_context_set_image(image);
 568         //if (traywin->depth == 24)
 569                 //imlib_save_image("/home/thil77/test.jpg");
 570         imlib_image_set_has_alpha(1);
 571         DATA32* data = imlib_image_get_data();
 572         if (traywin->depth == 24) {
 573                 createHeuristicMask(data, traywin->width, traywin->height);
 574         }
 575         if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)
 576                 adjust_asb(data, traywin->width, traywin->height, systray.alpha, (float)systray.saturation/100, (float)systray.brightness/100);
 577         imlib_image_put_back_data(data);
 578         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);
 579         render_image(systray.area.pix, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height);
 580         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);
 581         imlib_free_image_and_decache();
 582         XFreePixmap(server.dsp, tmp_pmap);
 583         imlib_context_set_visual(server.visual);
 584         imlib_context_set_colormap(server.colormap);
 585
 586         if (traywin->damage)
 587                 XDamageSubtract(server.dsp, traywin->damage, None, None);
 588         XFlush(server.dsp);
 589 }
 590
 591
 592 void systray_render_icon(TrayWindow* traywin)
 593 {
 594         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 595                 // wine tray icons update whenever mouse is over them, so we limit the updates to 50 ms
 596                 if (traywin->render_timeout == 0)
 597                         traywin->render_timeout = add_timeout(50, 0, systray_render_icon_now, traywin);
 598         }
 599         else {
 600                 // comment by andreas: I'm still not sure, what exactly we need to do here... Somehow trayicons which do not
 601                 // offer the same depth as tint2 does, need to draw a background pixmap, but this cannot be done with
 602                 // XCopyArea... So we actually need XRenderComposite???
 603 //                      Pixmap pix = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, server.depth);
 604 //                      XCopyArea(server.dsp, panel->temp_pmap, pix, server.gc, traywin->x, traywin->y, traywin->width, traywin->height, 0, 0);
 605 //                      XSetWindowBackgroundPixmap(server.dsp, traywin->id, pix);
 606                 XClearArea(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, True);
 607         }
 608 }
 609
 610
 611 void refresh_systray_icon()
 612 {
 613         TrayWindow *traywin;
 614         GSList *l;
 615         for (l = systray.list_icons; l ; l = l->next) {
 616                 traywin = (TrayWindow*)l->data;
 617                 if (traywin->hide) continue;
 618                 systray_render_icon(traywin);
 619         }
 620 }