1 files changed, 67 insertions, 0 deletions
diff --git a/src/XScreen.cc b/src/XScreen.cc
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+++ b/src/XScreen.cc
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+// XScreen.cc for Openbox
+// Copyright (c) 2002 - 2002 Ben Janens (ben at orodu.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+#include "XScreen.h"
+#include "Geometry.h"
+
+XScreen::XScreen(const Display *display, const unsigned int number) {
+  _display = display;
+  _number = number;
+
+  _root = RootWindow(_display, _number);
+  _size = Size(WidthOfScreen(ScreenOfDisplay(_display, _number)),
+               HeightOfScreen(ScreenOfDisplay(_display, _number)));
+  setColorData();
+}
+
+
+/*
+ * This sets up the _depth, _visual, and _colormap properties.
+ */
+void XScreen::setColorData() {
+  _depth = DefaultDepth(_display, _number);
+  _visual = (Visual *) 0;
+
+  // search for a TrueColor Visual. If we can't find one, use the default
+  // visual for the screen
+  XVisualInfo vinfo_template, *vinfo_return;
+  int vinfo_nitems;
+
+  vinfo_template.screen = _number;
+  vinfo_template.c_class = TrueColor;
+
+  vinfo_return = XGetVisualInfo(_display, VisualScreenMask | VisualClassMask,
+                                &vinfo_template, &vinfo_nitems);
+  if (vinfo_return && vinfo_nitems > 0) {
+    for (int i = 0; i < vinfo_nitems; i++)
+      if (_depth < (vinfo_return + i)->depth) {
+        _depth = (vinfo_return + i)->depth;
+        _visual = (vinfo_return + i)->visual;
+      }
+    XFree(vinfo_return);
+  }
+  if (visual)
+    _colormap = XCreateColormap(_display, _root, _visual, AllocNone);
+  else {
+    _visual = DefaultVisual(_display, _number);
+    _colormap = DefaultColormap(_display, _number);
+  }
+}