75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
#include "composite.h"
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#include "openbox.h"
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#include "extensions.h"
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#ifndef USE_XCOMPOSITE
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void composite_startup(gboolean reconfig) {}
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void composite_shutdown(gboolean reconfig) {}
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gboolean composite_window_has_alpha(Visual *vis) { return FALSE; }
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XID composite_get_window_picture(Window win, Visual *vis) { return None; }
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Pixmap composite_get_window_pixmap(Window win) { return None; }
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void composite_setup_root_window() {}
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void composite_enable_for_window(Window win) {}
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#else
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static Picture root_picture = None;
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void composite_startup(gboolean reconfig)
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{
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if (reconfig) return;
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if (!extensions_comp) return;
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}
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void composite_shutdown(gboolean reconfig)
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{
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if (reconfig) return;
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if (!extensions_comp) return;
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}
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void composite_setup_root_window()
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{
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if (root_picture)
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XRenderFreePicture(ob_display, root_picture);
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root_picture =
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composite_get_window_picture(RootWindow(ob_display, ob_screen),
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RrVisual(ob_rr_inst));
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}
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gboolean composite_window_has_alpha(Visual *vis)
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{
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XRenderPictFormat *format;
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if (!extensions_comp) return FALSE;
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format = XRenderFindVisualFormat(ob_display, vis);
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return format->type == PictTypeDirect && format->direct.alphaMask;
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}
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XID composite_get_window_picture(Window win, Visual *vis)
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{
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XRenderPictureAttributes pa;
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XRenderPictFormat *format;
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if (!extensions_comp) return None;
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format = XRenderFindVisualFormat(ob_display, vis);
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pa.subwindow_mode = IncludeInferiors;
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return XRenderCreatePicture(ob_display, win, format, CPSubwindowMode, &pa);
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}
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Pixmap composite_get_window_pixmap(Window win)
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{
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if (!extensions_comp) return None;
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return XCompositeNameWindowPixmap(ob_display, win);
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}
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void composite_enable_for_window(Window win)
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{
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/* Redirect window contents to offscreen pixmaps */
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XCompositeRedirectWindow(ob_display, win, CompositeRedirectAutomatic);
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}
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#endif
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