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UI: Dynamic DPI scaling

This commit is contained in:
Dr. Chat 2017-08-03 21:17:57 -05:00
parent aeb0e2557c
commit b3b7acb7ca
3 changed files with 38 additions and 8 deletions
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4
src/xenia/ui/window.cc
View File

@ -154,7 +154,9 @@ void Window::Layout() {
void Window::Invalidate() {}
void Window::OnDpiChanged(UIEvent* e) {}
void Window::OnDpiChanged(UIEvent* e) {
// TODO(DrChat): Notify listeners.
}
void Window::OnResize(UIEvent* e) {
ForEachListener([e](auto listener) { listener->OnResize(e); });

39
src/xenia/ui/window_win.cc
View File

@ -311,15 +311,25 @@ void Win32Window::Resize(int32_t width, int32_t height) {
return;
}
RECT rc = {0, 0, width, height};
bool has_menu = !is_fullscreen() && (main_menu_ ? true : false);
AdjustWindowRect(&rc, GetWindowLong(hwnd_, GWL_STYLE), has_menu);
if (true) {
rc.right += 100 - rc.left;
rc.left = 100;
rc.bottom += 100 - rc.top;
// Scale width and height
int32_t scaled_width, scaled_height;
scaled_width = int32_t(width * get_dpi_scale());
scaled_height = int32_t(height * get_dpi_scale());
RECT rc = {0, 0, 0, 0};
GetWindowRect(hwnd_, &rc);
if (rc.top < 0) {
rc.top = 100;
}
if (rc.left < 0) {
rc.left = 100;
}
rc.right = rc.left + scaled_width;
rc.bottom = rc.top + scaled_height;
bool has_menu = !is_fullscreen() && (main_menu_ ? true : false);
AdjustWindowRect(&rc, GetWindowLong(hwnd_, GWL_STYLE), has_menu);
MoveWindow(hwnd_, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
TRUE);
@ -334,6 +344,11 @@ void Win32Window::Resize(int32_t left, int32_t top, int32_t right,
}
RECT rc = {left, top, right, bottom};
// Scale width and height
rc.right = int32_t((right - left) * get_dpi_scale()) + left;
rc.bottom = int32_t((bottom - top) * get_dpi_scale()) + top;
bool has_menu = !is_fullscreen() && (main_menu_ ? true : false);
AdjustWindowRect(&rc, GetWindowLong(hwnd_, GWL_STYLE), has_menu);
MoveWindow(hwnd_, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
@ -342,6 +357,11 @@ void Win32Window::Resize(int32_t left, int32_t top, int32_t right,
super::Resize(left, top, right, bottom);
}
void Win32Window::RawReposition(const RECT& rc) {
MoveWindow(hwnd_, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top,
TRUE);
}
void Win32Window::OnResize(UIEvent* e) {
RECT client_rect;
GetClientRect(hwnd_, &client_rect);
@ -478,6 +498,11 @@ LRESULT Win32Window::WndProc(HWND hWnd, UINT message, WPARAM wParam,
case WM_DISPLAYCHANGE:
break;
case WM_DPICHANGED: {
LPRECT rect = (LPRECT)lParam;
if (rect) {
RawReposition(*rect);
}
auto e = UIEvent(this);
OnDpiChanged(&e);
} break;

3
src/xenia/ui/window_win.h
View File

@ -49,6 +49,9 @@ class Win32Window : public Window {
void Resize(int32_t left, int32_t top, int32_t right,
int32_t bottom) override;
// (raw) Resize the window, no DPI scaling applied.
void RawReposition(const RECT& rc);
bool Initialize() override;
void Invalidate() override;
void Close() override;