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XGrabPointer doesn't seem to be doing what I want.

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Menotdan
2023-05-18 15:42:04 -04:00
parent 408d620b17
commit f5d3e30972
3 changed files with 32 additions and 8 deletions
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28
Source/Editor/Utilities/ScreenUtilities/ScreenUtilitiesLinux.cpp
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@@ -5,6 +5,7 @@
#include "Engine/Core/Math/Vector2.h"
#include "Engine/Core/Delegate.h"
#include "Engine/Core/Log.h"
#include "Engine/Platform/Linux/LinuxPlatform.h"
#include "Engine/Platform/Linux/IncludeX11.h"
@@ -40,7 +41,7 @@ Int2 ScreenUtilities::GetScreenCursorPosition()
X11::Window rootWindowBuffer;
int rootX, rootY;
int winXBuffer, winYBuffer;
uint maskBuffer;
unsigned int maskBuffer;
int gotPointer = X11::XQueryPointer(display, rootWindow, &rootWindowBuffer, &rootWindowBuffer, &rootX, &rootY, &winXBuffer, &winYBuffer, &maskBuffer);
if (!gotPointer) {
@@ -59,28 +60,43 @@ class ScreenUtilitiesLinux
{
public:
static void BlockAndReadMouse();
static void xEventHandler(void* event);
};
void ScreenUtilitiesLinux::xEventHandler(void* eventPtr) {
X11::XEvent* event = (X11::XEvent*) eventPtr;
LOG(Warning, "Got event. {0}", event->type);
if (0) {
LOG(Warning, "Got MOUSE CLICK event.");
X11::Display* display = X11::XOpenDisplay(NULL);
LOG(Warning, "Tried to ungrab pointer. {0}", X11::XUngrabPointer(display, CurrentTime));
X11::XCloseDisplay(display);
LinuxPlatform::xEventRecieved.Unbind(xEventHandler); // Unbind the event, we only want to handle one click event.
}
}
void ScreenUtilitiesLinux::BlockAndReadMouse()
{
X11::Display* display = X11::XOpenDisplay(NULL);
X11::Window rootWindow = X11::XRootWindow(display, X11::XDefaultScreen(display));
int grabbedPointer = X11::XGrabPointer(display, rootWindow, 0, Button1Mask, GrabModeAsync, GrabModeAsync, rootWindow, NULL, CurrentTime);
int grabbedPointer = X11::XGrabPointer(display, rootWindow, 1, Button1Mask, GrabModeAsync, GrabModeAsync, rootWindow, NULL, CurrentTime);
if (grabbedPointer != GrabSuccess) {
LOG(Error, "Failed to grab cursor for events.");
return;
}
// No idea how to proceed from here for events.
return;
LinuxPlatform::xEventRecieved.Bind(xEventHandler);
}
Delegate<Color32> ScreenUtilities::PickColorDone;
void ScreenUtilities::PickColor()
{
return;
ScreenUtilitiesLinux::BlockAndReadMouse();
}
#endif