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Qt: Send SizeChanged on DPI changes

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This commit is contained in:
TellowKrinkle 2023-06-10 02:12:17 -05:00
parent d3110b9521
commit fc53dca7bd
2 changed files with 18 additions and 2 deletions
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17
Source/Core/DolphinQt/RenderWidget.cpp
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@ -437,6 +437,10 @@ bool RenderWidget::event(QEvent* event)
case QEvent::Move:
SetCursorLocked(m_cursor_locked);
break;
// According to https://bugreports.qt.io/browse/QTBUG-95925 the recommended practice for
// handling DPI change is responding to paint events
case QEvent::Paint:
case QEvent::Resize:
{
SetCursorLocked(m_cursor_locked);
@ -446,9 +450,18 @@ bool RenderWidget::event(QEvent* event)
QScreen* screen = window()->windowHandle()->screen();
const auto dpr = screen->devicePixelRatio();
const float dpr = screen->devicePixelRatio();
const int width = new_size.width() * dpr;
const int height = new_size.height() * dpr;
emit SizeChanged(new_size.width() * dpr, new_size.height() * dpr);
if (m_last_window_width != width || m_last_window_height != height ||
m_last_window_scale != dpr)
{
m_last_window_width = width;
m_last_window_height = height;
m_last_window_scale = dpr;
emit SizeChanged(width, height);
}
break;
}
// Happens when we add/remove the widget from the main window instead of the dedicated one

3
Source/Core/DolphinQt/RenderWidget.h
View File

@ -47,6 +47,9 @@ private:
static constexpr int MOUSE_HIDE_DELAY = 3000;
QTimer* m_mouse_timer;
QPoint m_last_mouse{};
int m_last_window_width = 0;
int m_last_window_height = 0;
float m_last_window_scale = 0;
bool m_cursor_locked = false;
bool m_lock_cursor_on_next_activation = false;
bool m_dont_lock_cursor_on_show = false;