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