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Fix window decoration size on Windows

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This commit is contained in:
floppyhammer 2021-08-23 10:30:28 +08:00
parent 0a001afec5
commit 1a5d72bf16
1 changed files with 23 additions and 10 deletions
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33
platform/windows/display_server_windows.cpp
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@ -854,12 +854,13 @@ Size2i DisplayServerWindows::window_get_size(WindowID p_window) const {
ERR_FAIL_COND_V(!windows.has(p_window), Size2i()); ERR_FAIL_COND_V(!windows.has(p_window), Size2i());
const WindowData &wd = windows[p_window]; const WindowData &wd = windows[p_window];
// GetClientRect() returns a zero rect for a minimized window, so we need to get the size in another way.
if (wd.minimized) { if (wd.minimized) {
return Size2(wd.width, wd.height); return Size2(wd.width, wd.height);
} }
RECT r; RECT r;
if (GetClientRect(wd.hWnd, &r)) { // Only area inside of window border if (GetClientRect(wd.hWnd, &r)) { // Retrieves area inside of window border.
return Size2(r.right - r.left, r.bottom - r.top); return Size2(r.right - r.left, r.bottom - r.top);
} }
return Size2(); return Size2();
@ -1900,7 +1901,9 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
} }
case WM_GETMINMAXINFO: { case WM_GETMINMAXINFO: {
if (windows[window_id].resizable && !windows[window_id].fullscreen) { if (windows[window_id].resizable && !windows[window_id].fullscreen) {
Size2 decor = window_get_size(window_id) - window_get_real_size(window_id); // Size of window decorations // Size of window decorations.
Size2 decor = window_get_real_size(window_id) - window_get_size(window_id);
MINMAXINFO *min_max_info = (MINMAXINFO *)lParam; MINMAXINFO *min_max_info = (MINMAXINFO *)lParam;
if (windows[window_id].min_size != Size2()) { if (windows[window_id].min_size != Size2()) {
min_max_info->ptMinTrackSize.x = windows[window_id].min_size.x + decor.x; min_max_info->ptMinTrackSize.x = windows[window_id].min_size.x + decor.x;
@ -2563,10 +2566,13 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
} break; } break;
case WM_SIZE: { case WM_SIZE: {
// Ignore size when a SIZE_MINIMIZED event is triggered // Ignore window size change when a SIZE_MINIMIZED event is triggered.
if (wParam != SIZE_MINIMIZED) { if (wParam != SIZE_MINIMIZED) {
// The new width and height of the client area.
int window_w = LOWORD(lParam); int window_w = LOWORD(lParam);
int window_h = HIWORD(lParam); int window_h = HIWORD(lParam);
// Set new value to the size if it isn't preserved.
if (window_w > 0 && window_h > 0 && !windows[window_id].preserve_window_size) { if (window_w > 0 && window_h > 0 && !windows[window_id].preserve_window_size) {
windows[window_id].width = window_w; windows[window_id].width = window_w;
windows[window_id].height = window_h; windows[window_id].height = window_h;
@ -2577,29 +2583,37 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
} }
#endif #endif
} else { } else { // If the size is preserved.
windows[window_id].preserve_window_size = false; windows[window_id].preserve_window_size = false;
// Restore the old size.
window_set_size(Size2(windows[window_id].width, windows[window_id].height), window_id); window_set_size(Size2(windows[window_id].width, windows[window_id].height), window_id);
} }
} else { } else { // When the window has been minimized, preserve its size.
windows[window_id].preserve_window_size = true; windows[window_id].preserve_window_size = true;
} }
// Call windows rect change callback.
if (!windows[window_id].rect_changed_callback.is_null()) { if (!windows[window_id].rect_changed_callback.is_null()) {
Variant size = Rect2i(windows[window_id].last_pos.x, windows[window_id].last_pos.y, windows[window_id].width, windows[window_id].height); Variant size = Rect2i(windows[window_id].last_pos.x, windows[window_id].last_pos.y, windows[window_id].width, windows[window_id].height);
Variant *sizep = &size; Variant *size_ptr = &size;
Variant ret; Variant ret;
Callable::CallError ce; Callable::CallError ce;
windows[window_id].rect_changed_callback.call((const Variant **)&sizep, 1, ret, ce); windows[window_id].rect_changed_callback.call((const Variant **)&size_ptr, 1, ret, ce);
} }
// The window has been maximized.
if (wParam == SIZE_MAXIMIZED) { if (wParam == SIZE_MAXIMIZED) {
windows[window_id].maximized = true; windows[window_id].maximized = true;
windows[window_id].minimized = false; windows[window_id].minimized = false;
} else if (wParam == SIZE_MINIMIZED) { }
// The window has been minimized.
else if (wParam == SIZE_MINIMIZED) {
windows[window_id].maximized = false; windows[window_id].maximized = false;
windows[window_id].minimized = true; windows[window_id].minimized = true;
} else if (wParam == SIZE_RESTORED) { }
// The window has been resized, but neither the SIZE_MINIMIZED nor SIZE_MAXIMIZED value applies.
else if (wParam == SIZE_RESTORED) {
windows[window_id].maximized = false; windows[window_id].maximized = false;
windows[window_id].minimized = false; windows[window_id].minimized = false;
} }
@ -2626,7 +2640,6 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
ZeroMemory(dib_data, dib_size.x * dib_size.y * 4); ZeroMemory(dib_data, dib_size.x * dib_size.y * 4);
} }
#endif #endif
//return 0; // Jump Back
} break; } break;
case WM_ENTERSIZEMOVE: { case WM_ENTERSIZEMOVE: {