tools/obsetroot.cc

   1 #include <otk/otk.hh>
   2
   3 int main(int, char **)
   4 {
   5   otk::initialize();
   6
   7   int screen = DefaultScreen(**otk::display);
   8
   9   Pixmap old;
  10   Window root = otk::display->screenInfo(screen)->rootWindow();
  11
  12   otk::Surface *s = new otk::Surface(screen,
  13                                      otk::display->screenInfo(screen)->size());
  14   otk::RenderTexture *tx = new otk::RenderTexture(screen, false,
  15                                                   otk::RenderTexture::Flat,
  16                                                   otk::RenderTexture::Bevel1,
  17                                                   false,
  18                                                   otk::RenderTexture::Solid,
  19                                                   false, 0x202020, 0x0000ff,
  20                                                   0, 0);
  21   otk::display->renderControl(screen)->drawBackground(*s, *tx);
  22
  23   otk::display->grab();
  24
  25   otk::display->setIgnoreErrors(true);
  26   // get the current pixmap and free it
  27   if (otk::Property::get(root, otk::Property::atoms.rootpmapid,
  28                          otk::Property::atoms.pixmap, &old) && old) {
  29     XKillClient(**otk::display, old);
  30     XSync(**otk::display, false);
  31     XFreePixmap(**otk::display, old);
  32   }
  33   if (otk::Property::get(root, otk::Property::atoms.esetrootid,
  34                          otk::Property::atoms.pixmap, &old) && old)
  35     XFreePixmap(**otk::display, old);
  36   otk::display->setIgnoreErrors(false);
  37
  38   //  XSetWindowBackground(**display, root, color.pixel());
  39
  40   // don't kill us when someone wants to change the background!!
  41   Pixmap pixmap = XCreatePixmap(**otk::display, root, s->size().width(),
  42                                 s->size().height(),
  43                                 otk::display->screenInfo(screen)->depth());
  44   XCopyArea(**otk::display, s->pixmap(), pixmap,
  45             DefaultGC(**otk::display, screen), 0, 0,
  46             s->size().width(), s->size().height(), 0, 0);
  47
  48   // set the new pixmap
  49   XSetWindowBackgroundPixmap(**otk::display, root, pixmap);
  50   XClearWindow(**otk::display, root);
  51
  52   otk::Property::set(root, otk::Property::atoms.rootpmapid,
  53                      otk::Property::atoms.pixmap, pixmap);
  54   otk::Property::set(root, otk::Property::atoms.esetrootid,
  55                      otk::Property::atoms.pixmap, pixmap);
  56
  57   otk::display->ungrab();
  58
  59   delete tx;
  60   delete s;
  61
  62   XSetCloseDownMode(**otk::display, RetainPermanent);
  63   XKillClient(**otk::display, AllTemporary);
  64
  65   otk::destroy();
  66 }