86 lines
3 KiB
C++
86 lines
3 KiB
C++
// XScreen.cc for Openbox
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// Copyright (c) 2002 - 2002 Ben Janens (ben at orodu.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include <X11/Xutil.h>
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#include "XScreen.h"
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#include "XDisplay.h"
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#include "Geometry.h"
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XScreen::XScreen(const XDisplay *display, const unsigned int number) {
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_display = display->_display;
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_number = number;
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_root = RootWindow(_display, _number);
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_size = Size(WidthOfScreen(ScreenOfDisplay(_display, _number)),
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HeightOfScreen(ScreenOfDisplay(_display, _number)));
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setColorData();
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}
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XScreen::~XScreen() {
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}
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/*
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* This sets up the _depth, _visual, and _colormap properties.
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*/
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void XScreen::setColorData() {
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_depth = DefaultDepth(_display, _number);
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_visual = (Visual *) 0;
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// search for a TrueColor Visual. If we can't find one, use the default
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// visual for the screen
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XVisualInfo vinfo_template, *vinfo_return;
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int vinfo_nitems;
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vinfo_template.screen = _number;
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vinfo_template.c_class = TrueColor;
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vinfo_return = XGetVisualInfo(_display, VisualScreenMask | VisualClassMask,
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&vinfo_template, &vinfo_nitems);
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if (vinfo_return && vinfo_nitems > 0) {
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for (int i = 0; i < vinfo_nitems; i++)
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if (_depth < (vinfo_return + i)->depth) {
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_depth = (vinfo_return + i)->depth;
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_visual = (vinfo_return + i)->visual;
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}
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XFree(vinfo_return);
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}
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if (_visual)
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_colormap = XCreateColormap(_display, _root, _visual, AllocNone);
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else {
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_visual = DefaultVisual(_display, _number);
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_colormap = DefaultColormap(_display, _number);
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}
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}
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/*
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* Creates a window on screen.
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*/
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Window createWindow(Window parent, const Rect &area, int borderw,
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unsigned int winclass, unsigned long attrib_mask,
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XSetWindowAttributes *attrib) const {
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return XCreateWindow(_display, parent,
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area.x(), area.y(), area.w(), area.h(),
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borderw, depth(), winclass, visual(),
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attrib_mask, attrib);
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}
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