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

   1 /**************************************************************************
   2 * Tint2 : systraybar
   3 *
   4 * Copyright (C) 2009 thierry lorthiois (lorthiois@bbsoft.fr)
   5 * based on 'docker-1.5' from Ben Jansens.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License version 2
   9 * as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 **************************************************************************/
  19
  20 #include <X11/Xlib.h>
  21 #include <X11/Xutil.h>
  22 #include <X11/Xatom.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <glib.h>
  27 #include <Imlib2.h>
  28 #include <X11/extensions/Xdamage.h>
  29 #include <X11/extensions/Xcomposite.h>
  30 #include <X11/extensions/Xrender.h>
  31
  32
  33 #include "systraybar.h"
  34 #include "server.h"
  35 #include "panel.h"
  36
  37 GSList *icons;
  38
  39 /* defined in the systray spec */
  40 #define SYSTEM_TRAY_REQUEST_DOCK    0
  41 #define SYSTEM_TRAY_BEGIN_MESSAGE   1
  42 #define SYSTEM_TRAY_CANCEL_MESSAGE  2
  43
  44 // selection window
  45 Window net_sel_win = None;
  46
  47 // freedesktop specification doesn't allow multi systray
  48 Systraybar systray;
  49 int refresh_systray;
  50 int systray_enabled;
  51 int systray_max_icon_size;
  52
  53 // background pixmap if we render ourselves the icons
  54 static Pixmap render_background;
  55
  56
  57 void default_systray()
  58 {
  59         memset(&systray, 0, sizeof(Systraybar));
  60         render_background = 0;
  61         systray.alpha = 100;
  62         systray.sort = 3;
  63         systray.area._draw_foreground = draw_systray;
  64         systray.area.size_mode = SIZE_BY_CONTENT;
  65         systray.area._resize = resize_systray;
  66 }
  67
  68 void cleanup_systray()
  69 {
  70         stop_net();
  71         systray_enabled = 0;
  72         systray_max_icon_size = 0;
  73         systray.area.on_screen = 0;
  74         free_area(&systray.area);
  75         if (render_background) {
  76                 XFreePixmap(server.dsp, render_background);
  77                 render_background = 0;
  78         }
  79 }
  80
  81 void init_systray()
  82 {
  83         start_net();
  84
  85         if (!systray_enabled)
  86                 return;
  87
  88         if (!server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)) {
  89                 printf("No 32 bit visual for your X implementation. 'systray_asb = 100 0 0' will be forced\n");
  90                 systray.alpha = 100;
  91                 systray.brightness = systray.saturation = 0;
  92         }
  93 }
  94
  95
  96 void init_systray_panel(void *p)
  97 {
  98         systray.area.parent = p;
  99         systray.area.panel = p;
 100
 101         GSList *l;
 102         int count = 0;
 103         for (l = systray.list_icons; l ; l = l->next) {
 104                 if (!((TrayWindow*)l->data)->hide)
 105                         count++;
 106         }
 107         if (count == 0)
 108                 hide(&systray.area);
 109         else
 110                 show(&systray.area);
 111         refresh_systray = 0;
 112 }
 113
 114
 115 void draw_systray(void *obj, cairo_t *c)
 116 {
 117         // here, sysbar's position is defined. so we can calculate position of tray icon.
 118         Systraybar *sysbar = obj;
 119         Panel *panel = sysbar->area.panel;
 120         int i, posx, posy;
 121         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +sysbar->marging/2;
 122         if (panel_horizontal) {
 123                 posy = start;
 124                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 125         }
 126         else {
 127                 posx = start;
 128                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 129         }
 130
 131         TrayWindow *traywin;
 132         GSList *l;
 133         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 134                 traywin = (TrayWindow*)l->data;
 135                 if (traywin->hide) continue;
 136
 137                 traywin->y = posy;
 138                 traywin->x = posx;
 139                 traywin->width = sysbar->icon_size;
 140                 traywin->height = sysbar->icon_size;
 141                 if (panel_horizontal) {
 142                         if (i % sysbar->icons_per_column)
 143                                 posy += sysbar->icon_size + sysbar->area.paddingx;
 144                         else {
 145                                 posy = start;
 146                                 posx += (sysbar->icon_size + systray.area.paddingx);
 147                         }
 148                 }
 149                 else {
 150                         if (i % sysbar->icons_per_row)
 151                                 posx += sysbar->icon_size + systray.area.paddingx;
 152                         else {
 153                                 posx = start;
 154                                 posy += (sysbar->icon_size + systray.area.paddingx);
 155                         }
 156                 }
 157
 158                 // position and size the icon window
 159                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, sysbar->icon_size, sysbar->icon_size);
 160                 XResizeWindow(server.dsp, traywin->tray_id, sysbar->icon_size, sysbar->icon_size);
 161         }
 162
 163         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 164                 if (render_background) XFreePixmap(server.dsp, render_background);
 165                 render_background = XCreatePixmap(server.dsp, server.root_win, systray.area.width, systray.area.height, server.depth);
 166                 XCopyArea(server.dsp, systray.area.pix, render_background, server.gc, 0, 0, systray.area.width, systray.area.height, 0, 0);
 167         }
 168
 169         refresh_systray = 1;
 170 }
 171
 172
 173 int resize_systray(void *obj)
 174 {
 175         Systraybar *sysbar = obj;
 176         GSList *l;
 177         int count;
 178
 179         if (panel_horizontal)
 180                 sysbar->icon_size = sysbar->area.height;
 181         else
 182                 sysbar->icon_size = sysbar->area.width;
 183         sysbar->icon_size = sysbar->icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 184         if (systray_max_icon_size > 0 && sysbar->icon_size > systray_max_icon_size)
 185                 sysbar->icon_size = systray_max_icon_size;
 186         count = 0;
 187         for (l = systray.list_icons; l ; l = l->next) {
 188                 if (!((TrayWindow*)l->data)->hide)
 189                         count++;
 190         }
 191         //printf("count %d\n", count);
 192
 193         if (panel_horizontal) {
 194                 int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 195                 // here icons_per_column always higher than 0
 196                 sysbar->icons_per_column = (height+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 197                 sysbar->marging = height - (sysbar->icons_per_column-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 198                 sysbar->icons_per_row = count / sysbar->icons_per_column + (count%sysbar->icons_per_column != 0);
 199                 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);
 200         }
 201         else {
 202                 int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 203                 // here icons_per_row always higher than 0
 204                 sysbar->icons_per_row = (width+sysbar->area.paddingx) / (sysbar->icon_size+sysbar->area.paddingx);
 205                 sysbar->marging = width - (sysbar->icons_per_row-1)*(sysbar->icon_size+sysbar->area.paddingx) - sysbar->icon_size;
 206                 sysbar->icons_per_column = count / sysbar->icons_per_row+ (count%sysbar->icons_per_row != 0);
 207                 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);
 208         }
 209         return 1;
 210 }
 211
 212
 213 // ***********************************************
 214 // systray protocol
 215
 216 void start_net()
 217 {
 218         if (net_sel_win) {
 219                 // protocol already started
 220                 if (!systray_enabled)
 221                         stop_net();
 222                 return;
 223         }
 224         else
 225                 if (!systray_enabled)
 226                         return;
 227
 228         Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
 229
 230         // freedesktop systray specification
 231         if (win != None) {
 232                 // search pid
 233                 Atom _NET_WM_PID, actual_type;
 234                 int actual_format;
 235                 unsigned long nitems;
 236                 unsigned long bytes_after;
 237                 unsigned char *prop = 0;
 238                 int pid;
 239
 240                 _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 241                 int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
 242
 243                 fprintf(stderr, "tint2 : another systray is running");
 244                 if (ret == Success && prop) {
 245                         pid = prop[1] * 256;
 246                         pid += prop[0];
 247                         fprintf(stderr, " pid=%d", pid);
 248                 }
 249                 fprintf(stderr, "\n");
 250                 return;
 251         }
 252
 253         // init systray protocol
 254         net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
 255
 256         // v0.3 trayer specification. tint2 always horizontal.
 257         // Vertical panel will draw the systray horizontal.
 258         long orient = 0;
 259         XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
 260         VisualID vid;
 261         if (server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0))
 262                 vid = XVisualIDFromVisual(server.visual32);
 263         else
 264                 vid = XVisualIDFromVisual(server.visual);
 265         XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
 266
 267         XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
 268         if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
 269                 stop_net();
 270                 fprintf(stderr, "tint2 : can't get systray manager\n");
 271                 return;
 272         }
 273
 274         //fprintf(stderr, "tint2 : systray started\n");
 275         XClientMessageEvent ev;
 276         ev.type = ClientMessage;
 277         ev.window = server.root_win;
 278         ev.message_type = server.atom.MANAGER;
 279         ev.format = 32;
 280         ev.data.l[0] = CurrentTime;
 281         ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
 282         ev.data.l[2] = net_sel_win;
 283         ev.data.l[3] = 0;
 284         ev.data.l[4] = 0;
 285         XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
 286 }
 287
 288
 289 void stop_net()
 290 {
 291         //fprintf(stderr, "tint2 : systray stopped\n");
 292         if (systray.list_icons) {
 293                 // remove_icon change systray.list_icons
 294                 while(systray.list_icons)
 295                         remove_icon((TrayWindow*)systray.list_icons->data);
 296
 297                 g_slist_free(systray.list_icons);
 298                 systray.list_icons = 0;
 299         }
 300
 301         if (net_sel_win != None) {
 302                 XDestroyWindow(server.dsp, net_sel_win);
 303                 net_sel_win = None;
 304         }
 305 }
 306
 307
 308 gboolean error;
 309 int window_error_handler(Display *d, XErrorEvent *e)
 310 {
 311         d=d;e=e;
 312         error = TRUE;
 313         if (e->error_code != BadWindow) {
 314                 printf("error_handler %d\n", e->error_code);
 315         }
 316         return 0;
 317 }
 318
 319
 320 static gint compare_traywindows(gconstpointer a, gconstpointer b)
 321 {
 322         const TrayWindow * traywin_a = (TrayWindow*)a;
 323         const TrayWindow * traywin_b = (TrayWindow*)b;
 324         XTextProperty name_a, name_b;
 325
 326         if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
 327                 return -1;
 328         }
 329         else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
 330                 XFree(name_a.value);
 331                 return 1;
 332         }
 333         else {
 334                 gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
 335                 XFree(name_a.value);
 336                 XFree(name_b.value);
 337                 return retval;
 338         }
 339 }
 340
 341
 342 gboolean add_icon(Window id)
 343 {
 344         TrayWindow *traywin;
 345         XErrorHandler old;
 346         Panel *panel = systray.area.panel;
 347         int hide = 0;
 348
 349         error = FALSE;
 350         XWindowAttributes attr;
 351         if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
 352         unsigned long mask = 0;
 353         XSetWindowAttributes set_attr;
 354         Visual* visual = server.visual;
 355         //printf("icon with depth: %d, width %d, height %d\n", attr.depth, attr.width, attr.height);
 356         //printf("icon with depth: %d\n", attr.depth);
 357         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 358                 visual = attr.visual;
 359                 set_attr.colormap = attr.colormap;
 360                 set_attr.background_pixel = 0;
 361                 set_attr.border_pixel = 0;
 362                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 363         }
 364         else {
 365                 set_attr.background_pixmap = ParentRelative;
 366                 mask = CWBackPixmap;
 367         }
 368         Window parent_window;
 369         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, visual, mask, &set_attr);
 370         old = XSetErrorHandler(window_error_handler);
 371         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 372         XSync(server.dsp, False);
 373         XSetErrorHandler(old);
 374         if (error != FALSE) {
 375                 fprintf(stderr, "tint2 : not icon_swallow\n");
 376                 XDestroyWindow(server.dsp, parent_window);
 377                 return FALSE;
 378         }
 379
 380         {
 381                 Atom acttype;
 382                 int actfmt;
 383                 unsigned long nbitem, bytes;
 384                 unsigned char *data = 0;
 385                 int ret;
 386
 387                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 388                 if (ret == Success) {
 389                         if (data) {
 390                                 if (nbitem == 2) {
 391                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 392                                         //printf("hide %d\n", hide);
 393                                 }
 394                                 XFree(data);
 395                         }
 396                 }
 397                 else {
 398                         fprintf(stderr, "tint2 : xembed error\n");
 399                         XDestroyWindow(server.dsp, parent_window);
 400                         return FALSE;
 401                 }
 402         }
 403         {
 404                 XEvent e;
 405                 e.xclient.type = ClientMessage;
 406                 e.xclient.serial = 0;
 407                 e.xclient.send_event = True;
 408                 e.xclient.message_type = server.atom._XEMBED;
 409                 e.xclient.window = id;
 410                 e.xclient.format = 32;
 411                 e.xclient.data.l[0] = CurrentTime;
 412                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 413                 e.xclient.data.l[2] = 0;
 414                 e.xclient.data.l[3] = parent_window;
 415                 e.xclient.data.l[4] = 0;
 416                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 417         }
 418
 419         traywin = g_new0(TrayWindow, 1);
 420         traywin->id = parent_window;
 421         traywin->tray_id = id;
 422         traywin->hide = hide;
 423         traywin->depth = attr.depth;
 424         traywin->damage = 0;
 425
 426         if (systray.area.on_screen == 0)
 427                 show(&systray.area);
 428
 429         if (systray.sort == 3)
 430                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 431         else if (systray.sort == 2)
 432                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 433         else
 434                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 435         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 436
 437         // watch for the icon trying to resize itself!
 438         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 439         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 440                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 441                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 442         }
 443
 444         // show the window
 445         if (!traywin->hide)
 446                 XMapWindow(server.dsp, traywin->tray_id);
 447         if (!traywin->hide && !panel->is_hidden)
 448                 XMapRaised(server.dsp, traywin->id);
 449
 450         // changed in systray
 451         systray.area.resize = 1;
 452         panel_refresh = 1;
 453         return TRUE;
 454 }
 455
 456
 457 void remove_icon(TrayWindow *traywin)
 458 {
 459         XErrorHandler old;
 460
 461         // remove from our list
 462         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 463         //printf("remove_icon id %lx, %d\n", traywin->id);
 464
 465         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 466         if (traywin->damage)
 467                 XDamageDestroy(server.dsp, traywin->damage);
 468
 469         // reparent to root
 470         error = FALSE;
 471         old = XSetErrorHandler(window_error_handler);
 472         if (!traywin->hide)
 473                 XUnmapWindow(server.dsp, traywin->tray_id);
 474         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 475         XDestroyWindow(server.dsp, traywin->id);
 476         XSync(server.dsp, False);
 477         XSetErrorHandler(old);
 478         if (traywin->render_timeout)
 479                 stop_timeout(traywin->render_timeout);
 480         g_free(traywin);
 481
 482         // check empty systray
 483         int count = 0;
 484         GSList *l;
 485         for (l = systray.list_icons; l ; l = l->next) {
 486                 if (!((TrayWindow*)l->data)->hide)
 487                         count++;
 488         }
 489         if (count == 0)
 490                 hide(&systray.area);
 491
 492         // changed in systray
 493         systray.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 }