51 lines
973 B
C++
51 lines
973 B
C++
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#include <assert.h>
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#include "Xlib.h"
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namespace sp { namespace Xlib {
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namespace _priv {
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// Define a global display (for simplicity, we always connect to local one.)
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::Display* display = NULL;
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};
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void init()
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{
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_priv::display = XOpenDisplay(NULL);
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}
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void shutdown()
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{
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assert(_priv::display != NULL);
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XCloseDisplay(_priv::display);
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_priv::display = NULL;
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}
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::Display* getDisplay()
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{
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assert(_priv::display != NULL);
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return _priv::display;
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}
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// Implementation borrowed from SFML :)
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::Window getParentWindow(::Window win)
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{
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::Window root, parent;
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::Window* children = nullptr;
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unsigned int numChildren;
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::XQueryTree(getDisplay(), win, &root, &parent, &children, &numChildren);
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// Children information is not used, so must be freed.
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if (children != nullptr)
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XFree(children);
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return parent;
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}
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::Atom getAtom(const std::string& name, bool onlyIfExists)
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{
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return XInternAtom(getDisplay(), name.c_str(), onlyIfExists);
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}
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} } // namespace sp::Xlib
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