40 lines
696 B
C++
40 lines
696 B
C++
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#include <assert.h>
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#include "X11SharedDisplay.h"
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namespace sp {
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// Define a global display (for simplicity, we always connect to local one.)
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::Display* sharedDisplay = NULL;
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unsigned int refcount = 0;
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::Display* XGetDisplay() {
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// Create if we dont have any references.
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if (refcount == 0) {
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sharedDisplay = XOpenDisplay(NULL);
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}
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refcount++;
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return sharedDisplay;
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}
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void XReleaseDisplay(::Display* disp) {
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assert(disp == sharedDisplay);
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if (refcount < 1) {
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return;
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}
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if (--refcount == 0) {
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XCloseDisplay(sharedDisplay);
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}
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}
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Atom getAtom(const std::string& name, bool onlyIfExists) {
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return XInternAtom(sharedDisplay, name.c_str(), onlyIfExists);
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}
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} // namespace sp
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