Files
thunderpad/src/event.cpp

70 lines
2.0 KiB
C++

#include <QGuiApplication>
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
#include "event.h"
//persistent X11 display connection to avoid opening/closing for each event
static Display* g_display = nullptr;
static Display* getDisplay() {
if (!g_display) {
g_display = XOpenDisplay(nullptr);
}
return g_display;
}
//cleanup function called at application exit
void cleanupDisplay() {
if (g_display) {
XCloseDisplay(g_display);
g_display = nullptr;
}
}
//actually creates an XWindows event :)
void sendevent(const FakeEvent &e) {
Display* display = getDisplay();
if (!display) return;
switch (e.type) {
case FakeEvent::MouseMove:
if (e.move.x == 0 && e.move.y == 0) return;
XTestFakeRelativeMotionEvent(display, e.move.x, e.move.y, 0);
break;
case FakeEvent::MouseMoveAbsolute:
{
Screen* screen = XDefaultScreenOfDisplay(display);
static int rememberX = 0, rememberY = 0;
if (e.move.x) rememberX = e.move.x;
if (e.move.y) rememberY = e.move.y;
const int scaledX100 = rememberX * (XWidthOfScreen(screen)/2) / 100;
const int scaledY100 = rememberY * (XHeightOfScreen(screen)/2) / 100;
XTestFakeMotionEvent(display, DefaultScreen(display),
XWidthOfScreen(screen)/2 + scaledX100,
XHeightOfScreen(screen)/2 + scaledY100, 0);
break;
}
case FakeEvent::KeyUp:
if (e.keycode == 0) return;
XTestFakeKeyEvent(display, e.keycode, false, 0);
break;
case FakeEvent::KeyDown:
if (e.keycode == 0) return;
XTestFakeKeyEvent(display, e.keycode, true, 0);
break;
case FakeEvent::MouseUp:
if (e.keycode == 0) return;
XTestFakeButtonEvent(display, e.keycode, false, 0);
break;
case FakeEvent::MouseDown:
if (e.keycode == 0) return;
XTestFakeButtonEvent(display, e.keycode, true, 0);
break;
}
XFlush(display);
}