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._resize = resize_systray;
  65 }
  66
  67 void cleanup_systray()
  68 {
  69         systray_enabled = 0;
  70         systray_max_icon_size = 0;
  71         systray.area.on_screen = 0;
  72         free_area(&systray.area);
  73         if (render_background) {
  74                 XFreePixmap(server.dsp, render_background);
  75                 render_background = 0;
  76         }
  77 }
  78
  79 void init_systray()
  80 {
  81         start_net();
  82
  83         if (!systray_enabled)
  84                 return;
  85
  86         if (!server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)) {
  87                 printf("No 32 bit visual for your X implementation. 'systray_asb = 100 0 0' will be forced\n");
  88                 systray.alpha = 100;
  89                 systray.brightness = systray.saturation = 0;
  90         }
  91         systray.area.resize = 1;
  92         systray.area.redraw = 1;
  93         systray.area.on_screen = 1;
  94         refresh_systray = 0;
  95 }
  96
  97
  98 void init_systray_panel(void *p)
  99 {
 100         Panel *panel =(Panel*)p;
 101
 102         if (panel_horizontal) {
 103                 systray.area.posy = panel->area.bg->border.width + panel->area.paddingy;
 104                 systray.area.height = panel->area.height - (2 * systray.area.posy);
 105         }
 106         else {
 107                 systray.area.posx = panel->area.bg->border.width + panel->area.paddingy;
 108                 systray.area.width = panel->area.width - (2 * panel->area.bg->border.width) - (2 * panel->area.paddingy);
 109         }
 110         systray.area.parent = p;
 111         systray.area.panel = p;
 112 }
 113
 114
 115 void draw_systray(void *obj, cairo_t *c)
 116 {
 117         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 118                 if (render_background) XFreePixmap(server.dsp, render_background);
 119                 render_background = XCreatePixmap(server.dsp, server.root_win, systray.area.width, systray.area.height, server.depth);
 120                 XCopyArea(server.dsp, systray.area.pix, render_background, server.gc, 0, 0, systray.area.width, systray.area.height, 0, 0);
 121         }
 122
 123         refresh_systray = 1;
 124 }
 125
 126
 127 void resize_systray(void *obj)
 128 {
 129         Systraybar *sysbar = obj;
 130         Panel *panel = sysbar->area.panel;
 131         TrayWindow *traywin;
 132         GSList *l;
 133         int count, icon_size;
 134         int icons_per_column=1, icons_per_row=1, marging=0;
 135
 136         if (panel_horizontal)
 137                 icon_size = sysbar->area.height;
 138         else
 139                 icon_size = sysbar->area.width;
 140         icon_size = icon_size - (2 * sysbar->area.bg->border.width) - (2 * sysbar->area.paddingy);
 141         if (systray_max_icon_size > 0 && icon_size > systray_max_icon_size)
 142                 icon_size = systray_max_icon_size;
 143         count = 0;
 144         for (l = systray.list_icons; l ; l = l->next) {
 145                 if (!((TrayWindow*)l->data)->hide)
 146                         count++;
 147         }
 148         //printf("count %d\n", count);
 149
 150         if (panel_horizontal) {
 151                 if (!count) systray.area.width = 0;
 152                 else {
 153                         int height = sysbar->area.height - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 154                         // here icons_per_column always higher than 0
 155                         icons_per_column = (height+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 156                         marging = height - (icons_per_column-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 157                         icons_per_row = count / icons_per_column + (count%icons_per_column != 0);
 158                         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);
 159                 }
 160
 161                 systray.area.posx = panel->area.width - panel->area.bg->border.width - panel->area.paddingxlr - systray.area.width;
 162                 if (panel->clock.area.on_screen)
 163                         systray.area.posx -= (panel->clock.area.width + panel->area.paddingx);
 164 #ifdef ENABLE_BATTERY
 165                 if (panel->battery.area.on_screen)
 166                         systray.area.posx -= (panel->battery.area.width + panel->area.paddingx);
 167 #endif
 168         }
 169         else {
 170                 if (!count) systray.area.height = 0;
 171                 else {
 172                         int width = sysbar->area.width - 2*sysbar->area.bg->border.width - 2*sysbar->area.paddingy;
 173                         // here icons_per_row always higher than 0
 174                         icons_per_row = (width+sysbar->area.paddingx) / (icon_size+sysbar->area.paddingx);
 175                         marging = width - (icons_per_row-1)*(icon_size+sysbar->area.paddingx) - icon_size;
 176                         icons_per_column = count / icons_per_row+ (count%icons_per_row != 0);
 177                         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);
 178                 }
 179
 180                 systray.area.posy = panel->area.bg->border.width + panel->area.paddingxlr;
 181                 if (panel->clock.area.on_screen)
 182                         systray.area.posy += (panel->clock.area.height + panel->area.paddingx);
 183 #ifdef ENABLE_BATTERY
 184                 if (panel->battery.area.on_screen)
 185                         systray.area.posy += (panel->battery.area.height + panel->area.paddingx);
 186 #endif
 187         }
 188
 189         int i, posx, posy;
 190         int start = panel->area.bg->border.width + panel->area.paddingy + systray.area.bg->border.width + systray.area.paddingy +marging/2;
 191         if (panel_horizontal) {
 192                 posy = start;
 193                 posx = systray.area.posx + systray.area.bg->border.width + systray.area.paddingxlr;
 194         }
 195         else {
 196                 posx = start;
 197                 posy = systray.area.posy + systray.area.bg->border.width + systray.area.paddingxlr;
 198         }
 199
 200         for (i=1, l = systray.list_icons; l ; i++, l = l->next) {
 201                 traywin = (TrayWindow*)l->data;
 202                 if (traywin->hide) continue;
 203
 204                 traywin->y = posy;
 205                 traywin->x = posx;
 206                 traywin->width = icon_size;
 207                 traywin->height = icon_size;
 208                 if (panel_horizontal) {
 209                         if (i % icons_per_column)
 210                                 posy += icon_size + sysbar->area.paddingx;
 211                         else {
 212                                 posy = start;
 213                                 posx += (icon_size + systray.area.paddingx);
 214                         }
 215                 }
 216                 else {
 217                         if (i % icons_per_row)
 218                                 posx += icon_size + systray.area.paddingx;
 219                         else {
 220                                 posx = start;
 221                                 posy += (icon_size + systray.area.paddingx);
 222                         }
 223                 }
 224
 225                 // position and size the icon window
 226                 XMoveResizeWindow(server.dsp, traywin->id, traywin->x, traywin->y, icon_size, icon_size);
 227                 XResizeWindow(server.dsp, traywin->tray_id, icon_size, icon_size);
 228         }
 229         // resize force the redraw
 230         systray.area.redraw = 1;
 231 }
 232
 233
 234 // ***********************************************
 235 // systray protocol
 236
 237 void start_net()
 238 {
 239         if (net_sel_win) {
 240                 // protocol already started
 241                 if (!systray_enabled)
 242                         stop_net();
 243                 return;
 244         }
 245         else
 246                 if (!systray_enabled)
 247                         return;
 248
 249         Window win = XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN);
 250
 251         // freedesktop systray specification
 252         if (win != None) {
 253                 // search pid
 254                 Atom _NET_WM_PID, actual_type;
 255                 int actual_format;
 256                 unsigned long nitems;
 257                 unsigned long bytes_after;
 258                 unsigned char *prop = 0;
 259                 int pid;
 260
 261                 _NET_WM_PID = XInternAtom(server.dsp, "_NET_WM_PID", True);
 262                 int ret = XGetWindowProperty(server.dsp, win, _NET_WM_PID, 0, 1024, False, AnyPropertyType, &actual_type, &actual_format, &nitems, &bytes_after, &prop);
 263
 264                 fprintf(stderr, "tint2 : another systray is running");
 265                 if (ret == Success && prop) {
 266                         pid = prop[1] * 256;
 267                         pid += prop[0];
 268                         fprintf(stderr, " pid=%d", pid);
 269                 }
 270                 fprintf(stderr, "\n");
 271                 return;
 272         }
 273
 274         // init systray protocol
 275         net_sel_win = XCreateSimpleWindow(server.dsp, server.root_win, -1, -1, 1, 1, 0, 0, 0);
 276
 277         // v0.3 trayer specification. tint2 always horizontal.
 278         // Vertical panel will draw the systray horizontal.
 279         int orient = 0;
 280         XChangeProperty(server.dsp, net_sel_win, server.atom._NET_SYSTEM_TRAY_ORIENTATION, XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &orient, 1);
 281         VisualID vid;
 282         if (server.visual32 && (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0))
 283                 vid = XVisualIDFromVisual(server.visual32);
 284         else
 285                 vid = XVisualIDFromVisual(server.visual);
 286         XChangeProperty(server.dsp, net_sel_win, XInternAtom(server.dsp, "_NET_SYSTEM_TRAY_VISUAL", False), XA_VISUALID, 32, PropModeReplace, (unsigned char*)&vid, 1);
 287
 288         XSetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN, net_sel_win, CurrentTime);
 289         if (XGetSelectionOwner(server.dsp, server.atom._NET_SYSTEM_TRAY_SCREEN) != net_sel_win) {
 290                 stop_net();
 291                 fprintf(stderr, "tint2 : can't get systray manager\n");
 292                 return;
 293         }
 294
 295         //fprintf(stderr, "tint2 : systray started\n");
 296         XClientMessageEvent ev;
 297         ev.type = ClientMessage;
 298         ev.window = server.root_win;
 299         ev.message_type = server.atom.MANAGER;
 300         ev.format = 32;
 301         ev.data.l[0] = CurrentTime;
 302         ev.data.l[1] = server.atom._NET_SYSTEM_TRAY_SCREEN;
 303         ev.data.l[2] = net_sel_win;
 304         ev.data.l[3] = 0;
 305         ev.data.l[4] = 0;
 306         XSendEvent(server.dsp, server.root_win, False, StructureNotifyMask, (XEvent*)&ev);
 307 }
 308
 309
 310 void stop_net()
 311 {
 312         //fprintf(stderr, "tint2 : systray stopped\n");
 313         if (systray.list_icons) {
 314                 // remove_icon change systray.list_icons
 315                 while(systray.list_icons)
 316                         remove_icon((TrayWindow*)systray.list_icons->data);
 317
 318                 g_slist_free(systray.list_icons);
 319                 systray.list_icons = 0;
 320         }
 321
 322         if (net_sel_win != None) {
 323                 XDestroyWindow(server.dsp, net_sel_win);
 324                 net_sel_win = None;
 325         }
 326 }
 327
 328
 329 gboolean error;
 330 int window_error_handler(Display *d, XErrorEvent *e)
 331 {
 332         d=d;e=e;
 333         error = TRUE;
 334         if (e->error_code != BadWindow) {
 335                 printf("error_handler %d\n", e->error_code);
 336         }
 337         return 0;
 338 }
 339
 340
 341 static gint compare_traywindows(gconstpointer a, gconstpointer b)
 342 {
 343         const TrayWindow * traywin_a = (TrayWindow*)a;
 344         const TrayWindow * traywin_b = (TrayWindow*)b;
 345         XTextProperty name_a, name_b;
 346
 347         if(XGetWMName(server.dsp, traywin_a->tray_id, &name_a) == 0) {
 348                 return -1;
 349         }
 350         else if(XGetWMName(server.dsp, traywin_b->tray_id, &name_b) == 0) {
 351                 XFree(name_a.value);
 352                 return 1;
 353         }
 354         else {
 355                 gint retval = g_ascii_strncasecmp((char*)name_a.value, (char*)name_b.value, -1) * systray.sort;
 356                 XFree(name_a.value);
 357                 XFree(name_b.value);
 358                 return retval;
 359         }
 360 }
 361
 362
 363 gboolean add_icon(Window id)
 364 {
 365         TrayWindow *traywin;
 366         XErrorHandler old;
 367         Panel *panel = systray.area.panel;
 368         int hide = 0;
 369
 370         error = FALSE;
 371         XWindowAttributes attr;
 372         if ( XGetWindowAttributes(server.dsp, id, &attr) == False ) return FALSE;
 373         unsigned long mask = 0;
 374         XSetWindowAttributes set_attr;
 375         printf("icon with depth: %d\n", attr.depth);
 376         if (attr.depth != server.depth || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 377                 set_attr.colormap = attr.colormap;
 378                 set_attr.background_pixel = 0;
 379                 set_attr.border_pixel = 0;
 380                 mask = CWColormap|CWBackPixel|CWBorderPixel;
 381         }
 382         else {
 383                 set_attr.background_pixmap = ParentRelative;
 384                 mask = CWBackPixmap;
 385         }
 386         Window parent_window;
 387         parent_window = XCreateWindow(server.dsp, panel->main_win, 0, 0, 30, 30, 0, attr.depth, InputOutput, attr.visual, mask, &set_attr);
 388         old = XSetErrorHandler(window_error_handler);
 389         XReparentWindow(server.dsp, id, parent_window, 0, 0);
 390         XSync(server.dsp, False);
 391         XSetErrorHandler(old);
 392         if (error != FALSE) {
 393                 fprintf(stderr, "tint2 : not icon_swallow\n");
 394                 XDestroyWindow(server.dsp, parent_window);
 395                 return FALSE;
 396         }
 397
 398         {
 399                 Atom acttype;
 400                 int actfmt;
 401                 unsigned long nbitem, bytes;
 402                 unsigned char *data = 0;
 403                 int ret;
 404
 405                 ret = XGetWindowProperty(server.dsp, id, server.atom._XEMBED_INFO, 0, 2, False, server.atom._XEMBED_INFO, &acttype, &actfmt, &nbitem, &bytes, &data);
 406                 if (ret == Success) {
 407                         if (data) {
 408                                 if (nbitem == 2) {
 409                                         //hide = ((data[1] & XEMBED_MAPPED) == 0);
 410                                         //printf("hide %d\n", hide);
 411                                 }
 412                                 XFree(data);
 413                         }
 414                 }
 415                 else {
 416                         fprintf(stderr, "tint2 : xembed error\n");
 417                         XDestroyWindow(server.dsp, parent_window);
 418                         return FALSE;
 419                 }
 420         }
 421         {
 422                 XEvent e;
 423                 e.xclient.type = ClientMessage;
 424                 e.xclient.serial = 0;
 425                 e.xclient.send_event = True;
 426                 e.xclient.message_type = server.atom._XEMBED;
 427                 e.xclient.window = id;
 428                 e.xclient.format = 32;
 429                 e.xclient.data.l[0] = CurrentTime;
 430                 e.xclient.data.l[1] = XEMBED_EMBEDDED_NOTIFY;
 431                 e.xclient.data.l[2] = 0;
 432                 e.xclient.data.l[3] = parent_window;
 433                 e.xclient.data.l[4] = 0;
 434                 XSendEvent(server.dsp, id, False, 0xFFFFFF, &e);
 435         }
 436
 437         printf("Adding systray with window: %d\n", id);
 438         traywin = g_new0(TrayWindow, 1);
 439         traywin->id = parent_window;
 440         traywin->tray_id = id;
 441         traywin->hide = hide;
 442         traywin->depth = attr.depth;
 443         traywin->damage = 0;
 444
 445         if (systray.sort == 3)
 446                 systray.list_icons = g_slist_prepend(systray.list_icons, traywin);
 447         else if (systray.sort == 2)
 448                 systray.list_icons = g_slist_append(systray.list_icons, traywin);
 449         else
 450                 systray.list_icons = g_slist_insert_sorted(systray.list_icons, traywin, compare_traywindows);
 451         systray.area.resize = 1;
 452         //printf("add_icon id %lx, %d\n", id, g_slist_length(systray.list_icons));
 453
 454         // watch for the icon trying to resize itself!
 455         XSelectInput(server.dsp, traywin->tray_id, StructureNotifyMask);
 456         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 457                 traywin->damage = XDamageCreate(server.dsp, traywin->id, XDamageReportRawRectangles);
 458                 XCompositeRedirectWindow(server.dsp, traywin->id, CompositeRedirectManual);
 459         }
 460
 461         // show the window
 462         if (!traywin->hide)
 463                 XMapWindow(server.dsp, traywin->tray_id);
 464         if (!traywin->hide && !panel->is_hidden)
 465                 XMapRaised(server.dsp, traywin->id);
 466
 467         // changed in systray force resize on panel
 468         panel->area.resize = 1;
 469         panel_refresh = 1;
 470         return TRUE;
 471 }
 472
 473
 474 void remove_icon(TrayWindow *traywin)
 475 {
 476         XErrorHandler old;
 477
 478         printf("Removing systray with window: %d\n", traywin->tray_id);
 479         // remove from our list
 480         systray.list_icons = g_slist_remove(systray.list_icons, traywin);
 481         systray.area.resize = 1;
 482         //printf("remove_icon id %lx, %d\n", traywin->id);
 483
 484         XSelectInput(server.dsp, traywin->tray_id, NoEventMask);
 485         if (traywin->damage)
 486                 XDamageDestroy(server.dsp, traywin->damage);
 487
 488         // reparent to root
 489         error = FALSE;
 490         old = XSetErrorHandler(window_error_handler);
 491         if (!traywin->hide)
 492                 XUnmapWindow(server.dsp, traywin->tray_id);
 493         XReparentWindow(server.dsp, traywin->tray_id, server.root_win, 0, 0);
 494         XDestroyWindow(server.dsp, traywin->id);
 495         XSync(server.dsp, False);
 496         XSetErrorHandler(old);
 497         if (traywin->render_timeout)
 498                 stop_timeout(traywin->render_timeout);
 499         g_free(traywin);
 500
 501         // changed in systray force resize on panel
 502         Panel *panel = systray.area.panel;
 503         panel->area.resize = 1;
 504         panel_refresh = 1;
 505 }
 506
 507
 508 void net_message(XClientMessageEvent *e)
 509 {
 510         unsigned long opcode;
 511         Window id;
 512
 513         opcode = e->data.l[1];
 514         switch (opcode) {
 515                 case SYSTEM_TRAY_REQUEST_DOCK:
 516                         id = e->data.l[2];
 517                         if (id) add_icon(id);
 518                         break;
 519
 520                 case SYSTEM_TRAY_BEGIN_MESSAGE:
 521                 case SYSTEM_TRAY_CANCEL_MESSAGE:
 522                         // we don't show baloons messages.
 523                         break;
 524
 525                 default:
 526                         if (opcode == server.atom._NET_SYSTEM_TRAY_MESSAGE_DATA)
 527                                 printf("message from dockapp: %s\n", e->data.b);
 528                         else
 529                                 fprintf(stderr, "SYSTEM_TRAY : unknown message type\n");
 530                         break;
 531         }
 532 }
 533
 534 void systray_render_icon_now(void* t)
 535 {
 536         // we end up in this function only in real transparency mode or if systray_task_asb != 100 0 0
 537         // we made also sure, that we always have a 32 bit visual, i.e. we can safely create 32 bit pixmaps here
 538         TrayWindow* traywin = t;
 539         traywin->render_timeout = 0;
 540
 541         // good systray icons support 32 bit depth, but some icons are still 24 bit.
 542         // We create a heuristic mask for these icons, i.e. we get the rgb value in the top left corner, and
 543         // mask out all pixel with the same rgb value
 544         Panel* panel = systray.area.panel;
 545
 546         // Very ugly hack, but somehow imlib2 is not able to get the image from the traywindow itself,
 547         // so we first render the tray window onto a pixmap, and then we tell imlib2 to use this pixmap as
 548         // drawable. If someone knows why it does not work with the traywindow itself, please tell me ;)
 549         Pixmap tmp_pmap = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, 32);
 550         XRenderPictFormat* f;
 551         if (traywin->depth == 24)
 552                 f = XRenderFindStandardFormat(server.dsp, PictStandardRGB24);
 553         else if (traywin->depth == 32)
 554                 f = XRenderFindStandardFormat(server.dsp, PictStandardARGB32);
 555         else {
 556                 printf("Strange tray icon found with depth: %d\n", traywin->depth);
 557                 return;
 558         }
 559         Picture pict_image;
 560         //if (server.real_transparency)
 561                 //pict_image = XRenderCreatePicture(server.dsp, traywin->id, f, 0, 0);
 562         // reverted Rev 407 because here it's breaking alls icon with systray + xcompmgr
 563         pict_image = XRenderCreatePicture(server.dsp, traywin->tray_id, f, 0, 0);
 564         Picture pict_drawable = XRenderCreatePicture(server.dsp, tmp_pmap, XRenderFindVisualFormat(server.dsp, server.visual32), 0, 0);
 565         XRenderComposite(server.dsp, PictOpSrc, pict_image, None, pict_drawable, 0, 0, 0, 0, 0, 0, traywin->width, traywin->height);
 566         XRenderFreePicture(server.dsp, pict_image);
 567         XRenderFreePicture(server.dsp, pict_drawable);
 568         // end of the ugly hack and we can continue as before
 569
 570         imlib_context_set_visual(server.visual32);
 571         imlib_context_set_colormap(server.colormap32);
 572         imlib_context_set_drawable(tmp_pmap);
 573         Imlib_Image image = imlib_create_image_from_drawable(0, 0, 0, traywin->width, traywin->height, 1);
 574         if (image == 0)
 575                 return;
 576
 577         imlib_context_set_image(image);
 578         imlib_image_set_has_alpha(1);
 579         DATA32* data = imlib_image_get_data();
 580         if (traywin->depth == 24) {
 581                 createHeuristicMask(data, traywin->width, traywin->height);
 582         }
 583         if (systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0)
 584                 adjust_asb(data, traywin->width, traywin->height, systray.alpha, (float)systray.saturation/100, (float)systray.brightness/100);
 585         imlib_image_put_back_data(data);
 586         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);
 587         render_image(systray.area.pix, traywin->x-systray.area.posx, traywin->y-systray.area.posy, traywin->width, traywin->height);
 588         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);
 589         imlib_free_image_and_decache();
 590         XFreePixmap(server.dsp, tmp_pmap);
 591         imlib_context_set_visual(server.visual);
 592         imlib_context_set_colormap(server.colormap);
 593
 594         if (traywin->damage)
 595                 XDamageSubtract(server.dsp, traywin->damage, None, None);
 596         XFlush(server.dsp);
 597 }
 598
 599
 600 void systray_render_icon(TrayWindow* traywin)
 601 {
 602         if (server.real_transparency || systray.alpha != 100 || systray.brightness != 0 || systray.saturation != 0) {
 603                 // wine tray icons update whenever mouse is over them, so we limit the updates to 50 ms
 604                 if (traywin->render_timeout == 0)
 605                         traywin->render_timeout = add_timeout(50, 0, systray_render_icon_now, traywin);
 606         }
 607         else {
 608                 // comment by andreas: I'm still not sure, what exactly we need to do here... Somehow trayicons which do not
 609                 // offer the same depth as tint2 does, need to draw a background pixmap, but this cannot be done with
 610                 // XCopyArea... So we actually need XRenderComposite???
 611 //                      Pixmap pix = XCreatePixmap(server.dsp, server.root_win, traywin->width, traywin->height, server.depth);
 612 //                      XCopyArea(server.dsp, panel->temp_pmap, pix, server.gc, traywin->x, traywin->y, traywin->width, traywin->height, 0, 0);
 613 //                      XSetWindowBackgroundPixmap(server.dsp, traywin->id, pix);
 614                 XClearArea(server.dsp, traywin->tray_id, 0, 0, traywin->width, traywin->height, True);
 615         }
 616 }
 617
 618
 619 void refresh_systray_icon()
 620 {
 621         TrayWindow *traywin;
 622         GSList *l;
 623         for (l = systray.list_icons; l ; l = l->next) {
 624                 traywin = (TrayWindow*)l->data;
 625                 if (traywin->hide) continue;
 626                 systray_render_icon(traywin);
 627         }
 628 }