aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xnest/Display.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xnest/Display.c')
-rw-r--r--xorg-server/hw/xnest/Display.c193
1 files changed, 193 insertions, 0 deletions
diff --git a/xorg-server/hw/xnest/Display.c b/xorg-server/hw/xnest/Display.c
new file mode 100644
index 000000000..01290417c
--- /dev/null
+++ b/xorg-server/hw/xnest/Display.c
@@ -0,0 +1,193 @@
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+
+
+#ifdef HAVE_XNEST_CONFIG_H
+#include <xnest-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "Init.h"
+#include "Args.h"
+
+#include "icon"
+#include "screensaver"
+
+Display *xnestDisplay = NULL;
+XVisualInfo *xnestVisuals;
+int xnestNumVisuals;
+int xnestDefaultVisualIndex;
+Colormap *xnestDefaultColormaps;
+static int xnestNumDefaultColormaps;
+int *xnestDepths;
+int xnestNumDepths;
+XPixmapFormatValues *xnestPixmapFormats;
+int xnestNumPixmapFormats;
+Pixel xnestBlackPixel;
+Pixel xnestWhitePixel;
+Drawable xnestDefaultDrawables[MAXDEPTH + 1];
+Pixmap xnestIconBitmap;
+Pixmap xnestScreenSaverPixmap;
+XlibGC xnestBitmapGC;
+unsigned long xnestEventMask;
+
+void
+xnestOpenDisplay(int argc, char *argv[])
+{
+ XVisualInfo vi;
+ long mask;
+ int i, j;
+
+ if (!xnestDoFullGeneration) return;
+
+ xnestCloseDisplay();
+
+ xnestDisplay = XOpenDisplay(xnestDisplayName);
+ if (xnestDisplay == NULL)
+ FatalError("Unable to open display \"%s\".\n",
+ XDisplayName(xnestDisplayName));
+
+ if (xnestSynchronize)
+ XSynchronize(xnestDisplay, True);
+
+ mask = VisualScreenMask;
+ vi.screen = DefaultScreen(xnestDisplay);
+ xnestVisuals = XGetVisualInfo(xnestDisplay, mask, &vi, &xnestNumVisuals);
+ if (xnestNumVisuals == 0 || xnestVisuals == NULL)
+ FatalError("Unable to find any visuals.\n");
+
+ if (xnestUserDefaultClass || xnestUserDefaultDepth) {
+ xnestDefaultVisualIndex = UNDEFINED;
+ for (i = 0; i < xnestNumVisuals; i++)
+ if ((!xnestUserDefaultClass ||
+ xnestVisuals[i].class == xnestDefaultClass)
+ &&
+ (!xnestUserDefaultDepth ||
+ xnestVisuals[i].depth == xnestDefaultDepth)) {
+ xnestDefaultVisualIndex = i;
+ break;
+ }
+ if (xnestDefaultVisualIndex == UNDEFINED)
+ FatalError("Unable to find desired default visual.\n");
+ }
+ else {
+ vi.visualid = XVisualIDFromVisual(DefaultVisual(xnestDisplay,
+ DefaultScreen(xnestDisplay)));
+ xnestDefaultVisualIndex = 0;
+ for (i = 0; i < xnestNumVisuals; i++)
+ if (vi.visualid == xnestVisuals[i].visualid)
+ xnestDefaultVisualIndex = i;
+ }
+
+ xnestNumDefaultColormaps = xnestNumVisuals;
+ xnestDefaultColormaps = (Colormap *)xalloc(xnestNumDefaultColormaps *
+ sizeof(Colormap));
+ for (i = 0; i < xnestNumDefaultColormaps; i++)
+ xnestDefaultColormaps[i] = XCreateColormap(xnestDisplay,
+ DefaultRootWindow(xnestDisplay),
+ xnestVisuals[i].visual,
+ AllocNone);
+
+ xnestDepths = XListDepths(xnestDisplay, DefaultScreen(xnestDisplay),
+ &xnestNumDepths);
+
+ xnestPixmapFormats = XListPixmapFormats(xnestDisplay,
+ &xnestNumPixmapFormats);
+
+ xnestBlackPixel = BlackPixel(xnestDisplay, DefaultScreen(xnestDisplay));
+ xnestWhitePixel = WhitePixel(xnestDisplay, DefaultScreen(xnestDisplay));
+
+ if (xnestParentWindow != (Window) 0)
+ xnestEventMask = StructureNotifyMask;
+ else
+ xnestEventMask = 0L;
+
+ for (i = 0; i <= MAXDEPTH; i++)
+ xnestDefaultDrawables[i] = None;
+
+ for (i = 0; i < xnestNumPixmapFormats; i++)
+ for (j = 0; j < xnestNumDepths; j++)
+ if (xnestPixmapFormats[i].depth == 1 ||
+ xnestPixmapFormats[i].depth == xnestDepths[j]) {
+ xnestDefaultDrawables[xnestPixmapFormats[i].depth] =
+ XCreatePixmap(xnestDisplay, DefaultRootWindow(xnestDisplay),
+ 1, 1, xnestPixmapFormats[i].depth);
+ }
+
+ xnestBitmapGC = XCreateGC(xnestDisplay, xnestDefaultDrawables[1], 0L, NULL);
+
+ if (!(xnestUserGeometry & XValue))
+ xnestX = 0;
+
+ if (!(xnestUserGeometry & YValue))
+ xnestY = 0;
+
+ if (xnestParentWindow == 0) {
+ if (!(xnestUserGeometry & WidthValue))
+ xnestWidth = 3 * DisplayWidth(xnestDisplay,
+ DefaultScreen(xnestDisplay)) / 4;
+
+ if (!(xnestUserGeometry & HeightValue))
+ xnestHeight = 3 * DisplayHeight(xnestDisplay,
+ DefaultScreen(xnestDisplay)) / 4;
+ }
+
+ if (!xnestUserBorderWidth)
+ xnestBorderWidth = 1;
+
+ xnestIconBitmap =
+ XCreateBitmapFromData(xnestDisplay,
+ DefaultRootWindow(xnestDisplay),
+ (char *)icon_bits,
+ icon_width,
+ icon_height);
+
+ xnestScreenSaverPixmap =
+ XCreatePixmapFromBitmapData(xnestDisplay,
+ DefaultRootWindow(xnestDisplay),
+ (char *)screensaver_bits,
+ screensaver_width,
+ screensaver_height,
+ xnestWhitePixel,
+ xnestBlackPixel,
+ DefaultDepth(xnestDisplay,
+ DefaultScreen(xnestDisplay)));
+}
+
+void
+xnestCloseDisplay(void)
+{
+ if (!xnestDoFullGeneration || !xnestDisplay) return;
+
+ /*
+ If xnestDoFullGeneration all x resources will be destroyed upon closing
+ the display connection. There is no need to generate extra protocol.
+ */
+
+ xfree(xnestDefaultColormaps);
+ XFree(xnestVisuals);
+ XFree(xnestDepths);
+ XFree(xnestPixmapFormats);
+ XCloseDisplay(xnestDisplay);
+}