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Adding Platform/Unix/X11WindowEventHandler

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Henrik Hautakoski 2019-12-30 05:33:14 +01:00
parent 2ab5c7fc41
commit 2788424516
3 changed files with 82 additions and 0 deletions
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52
source/Platform/Unix/X11WindowEventHandler.cpp Normal file
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#include <Spectre/System/Log.h>
#include "X11Display.h"
#include "X11SharedDisplay.h"
#include "X11WindowEventHandler.h"
#include <X11/Xresource.h>
namespace sp {
// Context used to store X11Display pointer.
::XContext X11WindowEventHandler::win_context = None;
void X11WindowEventHandler::registerHandler(::Display* disp, ::Window window, X11Display *ptr)
{
// Initialize context before use.
if (win_context == None) {
win_context = XUniqueContext();
}
// Save pointer to window.
XSaveContext(disp, window, win_context, (XPointer) ptr);
}
void X11WindowEventHandler::unregisterHandler(::Display* disp, ::Window window)
{
// No context. nothing to do.
if (win_context == None) {
return;
}
XDeleteContext(disp, window, win_context);
}
void X11WindowEventHandler::process(::Display* disp, const ::XEvent& event)
{
XPointer ptr;
// No context. nothing to do.
if (win_context == None) {
return;
}
// Get the pointer for window ID.
if (XFindContext(disp, event.xany.window, win_context, &ptr) == 0) {
X11Display* disp_ptr = (X11Display*) ptr;
// Delegate
disp_ptr->processEvent(event);
}
}
} // namespace sp