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Fixes for mouse capture (#779)

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* fix cursor centering on dxgi

* fix cursor warp in unfocused window
This commit is contained in:
lightmanLP
2025-01-04 13:21:14 -05:00
committed by GitHub
parent b1447cdd71
commit 3e46fe77a4
1 changed files with 12 additions and 4 deletions
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src/graphic/Fast3D/gfx_dxgi.cpp
+12 -4
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@@ -92,6 +92,7 @@ static struct {
float mouse_wheel[2];
LARGE_INTEGER previous_present_time;
bool is_mouse_captured;
bool in_focus;
void (*on_fullscreen_changed)(bool is_now_fullscreen);
bool (*on_key_down)(int scancode);
@@ -438,10 +439,14 @@ static LRESULT CALLBACK gfx_dxgi_wnd_proc(HWND h_wnd, UINT message, WPARAM w_par
GetMonitorHzPeriod(dxgi.h_Monitor, dxgi.detected_hz, dxgi.display_period);
break;
case WM_SETFOCUS:
dxgi.in_focus = true;
if (dxgi.is_mouse_captured) {
apply_mouse_capture_clip();
}
break;
case WM_KILLFOCUS:
dxgi.in_focus = false;
break;
default:
return DefWindowProcW(h_wnd, message, w_param, l_param);
}
@@ -567,13 +572,16 @@ static void gfx_dxgi_get_mouse_pos(int32_t* x, int32_t* y) {
}
static void gfx_dxgi_get_mouse_delta(int32_t* x, int32_t* y) {
if (dxgi.is_mouse_captured) {
if (dxgi.is_mouse_captured && dxgi.in_focus) {
POINT p;
GetCursorPos(&p);
ScreenToClient(dxgi.h_wnd, &p);
*x = p.x - dxgi.current_width / 2;
*y = p.y - dxgi.current_height / 2;
SetCursorPos(dxgi.current_width / 2, dxgi.current_height / 2);
int32_t centerX, centerY;
centerX = dxgi.current_width / 2;
centerY = dxgi.current_height / 2;
*x = p.x - centerX;
*y = p.y - centerY;
SetCursorPos(dxgi.posX + centerX, dxgi.posY + centerY);
} else {
*x = 0;
*y = 0;