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support DPI scaling by viewports rendering and input in certain scenarios

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e.g. in mac, kde, wayland or after QT_SCALE_FACTOR=1.25 ./install/radiant
This commit is contained in:
Garux
2022-11-07 19:02:40 +03:00
parent f7a33dd4d3
commit 15ca706037
5 changed files with 78 additions and 63 deletions
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85
radiant/camwindow.cpp
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@@ -1131,14 +1131,14 @@ void camera_orbit_init( camera_t& cam, Vector2 xy ){
cam.m_orbit = true;
}
inline bool ORBIT_EVENT( const QMouseEvent *event ){
return event->button() == Qt::MouseButton::RightButton && modifiers_for_state( event->modifiers() ) == c_modifierAlt;
inline bool ORBIT_EVENT( const QMouseEvent& event ){
return event.button() == Qt::MouseButton::RightButton && modifiers_for_state( event.modifiers() ) == c_modifierAlt;
}
inline bool M2_EVENT( const QMouseEvent *event ){
return event->button() == Qt::MouseButton::RightButton && modifiers_for_state( event->modifiers() ) == c_modifierNone;
inline bool M2_EVENT( const QMouseEvent& event ){
return event.button() == Qt::MouseButton::RightButton && modifiers_for_state( event.modifiers() ) == c_modifierNone;
}
static void enable_freelook_button_press( const QMouseEvent *event, CamWnd& camwnd ){
static void enable_freelook_button_press( const QMouseEvent& event, CamWnd& camwnd ){
const bool m2 = M2_EVENT( event );
const bool m2alt = ORBIT_EVENT( event );
if ( m2 || m2alt ) {
@@ -1148,7 +1148,7 @@ static void enable_freelook_button_press( const QMouseEvent *event, CamWnd& camw
}
else{
if( m2alt )
camera_orbit_init( camwnd.getCamera(), Vector2( event->x(), event->y() ) );
camera_orbit_init( camwnd.getCamera(), Vector2( event.x(), event.y() ) );
camwnd.EnableFreeMove();
camwnd.m_rightClickTimer.start();
camwnd.m_rightClickMove = 0;
@@ -1156,7 +1156,7 @@ static void enable_freelook_button_press( const QMouseEvent *event, CamWnd& camw
}
}
static void disable_freelook_button_press( const QMouseEvent *event, CamWnd& camwnd ){
static void disable_freelook_button_press( const QMouseEvent& event, CamWnd& camwnd ){
const bool m2 = M2_EVENT( event );
const bool m2alt = ORBIT_EVENT( event );
if ( m2 || m2alt ) {
@@ -1167,14 +1167,14 @@ static void disable_freelook_button_press( const QMouseEvent *event, CamWnd& cam
}
else{
if( m2alt )
camera_orbit_init( camwnd.getCamera(), Vector2( event->x(), event->y() ) );
camera_orbit_init( camwnd.getCamera(), Vector2( event.x(), event.y() ) );
camwnd.m_rightClickTimer.start();
camwnd.m_rightClickMove = 0;
}
}
}
static void disable_freelook_button_release( const QMouseEvent *event, CamWnd& camwnd ){
static void disable_freelook_button_release( const QMouseEvent& event, CamWnd& camwnd ){
const bool m2 = M2_EVENT( event );
const bool m2alt = ORBIT_EVENT( event );
if ( m2 || m2alt ) {
@@ -1192,13 +1192,13 @@ void camwnd_update_xor_rectangle( CamWnd& self, rect_t area ){
}
static void selection_button_press( const QMouseEvent *event, WindowObserver* observer ){
static void selection_button_press( const QMouseEvent& event, WindowObserver* observer ){
if( !ORBIT_EVENT( event ) )
observer->onMouseDown( WindowVector( event->x(), event->y() ), button_for_button( event->button() ), modifiers_for_state( event->modifiers() ) );
observer->onMouseDown( WindowVector( event.x(), event.y() ), button_for_button( event.button() ), modifiers_for_state( event.modifiers() ) );
}
static void selection_button_release( const QMouseEvent *event, WindowObserver* observer ){
observer->onMouseUp( WindowVector( event->x(), event->y() ), button_for_button( event->button() ), modifiers_for_state( event->modifiers() ) );
static void selection_button_release( const QMouseEvent& event, WindowObserver* observer ){
observer->onMouseUp( WindowVector( event.x(), event.y() ), button_for_button( event.button() ), modifiers_for_state( event.modifiers() ) );
}
void selection_motion( const QMouseEvent& event, WindowObserver* observer ){
@@ -1208,16 +1208,16 @@ void selection_motion( const QMouseEvent& event, WindowObserver* observer ){
inline WindowVector windowvector_for_widget_centre( const QWidget* widget ){
const QPoint center = widget->rect().center();
return WindowVector( center.x(), center.y() );
return WindowVector( center.x(), center.y() ) * widget->devicePixelRatioF();
}
static void selection_button_press_freemove( QWidget* widget, const QMouseEvent *event, WindowObserver* observer ){
static void selection_button_press_freemove( QWidget* widget, const QMouseEvent& event, WindowObserver* observer ){
if( !ORBIT_EVENT( event ) )
observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event->button() ), modifiers_for_state( event->modifiers() ) );
observer->onMouseDown( windowvector_for_widget_centre( widget ), button_for_button( event.button() ), modifiers_for_state( event.modifiers() ) );
}
static void selection_button_release_freemove( QWidget* widget, const QMouseEvent *event, WindowObserver* observer ){
observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event->button() ), modifiers_for_state( event->modifiers() ) );
static void selection_button_release_freemove( QWidget* widget, const QMouseEvent& event, WindowObserver* observer ){
observer->onMouseUp( windowvector_for_widget_centre( widget ), button_for_button( event.button() ), modifiers_for_state( event.modifiers() ) );
}
void CamWnd::selection_motion_freemove( const MotionDeltaValues& delta ){
@@ -1289,12 +1289,12 @@ static void camera_zoom( CamWnd& camwnd, float x, float y, float step ){
}
}
static void wheelmove_scroll( const QWheelEvent *event, CamWnd& camwnd ){
static void wheelmove_scroll( const QWheelEvent& event, CamWnd& camwnd ){
camera_t& cam = camwnd.getCamera();
const int angleDelta = ( std::abs( event->angleDelta().y() ) > std::abs( event->angleDelta().x() ) ) // normal y() goes to x() with ALT pressed
? event->angleDelta().y()
: event->angleDelta().x();
const int angleDelta = ( std::abs( event.angleDelta().y() ) > std::abs( event.angleDelta().x() ) ) // normal y() goes to x() with ALT pressed
? event.angleDelta().y()
: event.angleDelta().x();
if ( angleDelta > 0 ) {
if ( cam.movementflags & MOVE_FOCUS ) {
@@ -1308,7 +1308,7 @@ static void wheelmove_scroll( const QWheelEvent *event, CamWnd& camwnd ){
}
Camera_Freemove_updateAxes( cam );
camera_zoom( camwnd, event->x(), event->y(), g_camwindow_globals_private.m_nScrollMoveSpeed );
camera_zoom( camwnd, event.x(), event.y(), g_camwindow_globals_private.m_nScrollMoveSpeed );
}
else if ( angleDelta < 0 ) {
if ( cam.movementflags & MOVE_FOCUS ) {
@@ -1322,7 +1322,7 @@ static void wheelmove_scroll( const QWheelEvent *event, CamWnd& camwnd ){
}
Camera_Freemove_updateAxes( cam );
camera_zoom( camwnd, event->x(), event->y(), -g_camwindow_globals_private.m_nScrollMoveSpeed );
camera_zoom( camwnd, event.x(), event.y(), -g_camwindow_globals_private.m_nScrollMoveSpeed );
}
}
@@ -1583,6 +1583,7 @@ class CamGLWidget : public QOpenGLWidget
{
CamWnd& m_camwnd;
FBO *m_fbo{};
qreal m_scale;
public:
CamGLWidget( CamWnd& camwnd ) : QOpenGLWidget(), m_camwnd( camwnd ) {
setMouseTracking( true );
@@ -1600,15 +1601,16 @@ protected:
}
void resizeGL( int w, int h ) override
{
delete m_fbo;
m_fbo = new FBO( w, h, true, g_camwindow_globals_private.m_MSAA );
m_camwnd.getCamera().width = w;
m_camwnd.getCamera().height = h;
m_scale = devicePixelRatioF();
m_camwnd.getCamera().width = float_to_integer( w * m_scale );
m_camwnd.getCamera().height = float_to_integer( h * m_scale );
Camera_updateProjection( m_camwnd.getCamera() );
m_camwnd.m_window_observer->onSizeChanged( m_camwnd.getCamera().width, m_camwnd.getCamera().height );
m_camwnd.m_drawRequired = true;
delete m_fbo;
m_fbo = new FBO( m_camwnd.getCamera().width, m_camwnd.getCamera().height, true, g_camwindow_globals_private.m_MSAA );
}
void paintGL() override
{
@@ -1632,17 +1634,17 @@ protected:
void mousePressEvent( QMouseEvent *event ) override {
if( !m_camwnd.m_bFreeMove ){
setFocus();
selection_button_press( event, m_camwnd.m_window_observer );
enable_freelook_button_press( event, m_camwnd );
selection_button_press( scaledEvent( event ), m_camwnd.m_window_observer );
enable_freelook_button_press( scaledEvent( event ), m_camwnd );
}
else{
selection_button_press_freemove( this, event, m_camwnd.m_window_observer );
disable_freelook_button_press( event, m_camwnd );
selection_button_press_freemove( this, scaledEvent( event ), m_camwnd.m_window_observer );
disable_freelook_button_press( scaledEvent( event ), m_camwnd );
}
}
void mouseMoveEvent( QMouseEvent *event ) override {
if( !m_camwnd.m_bFreeMove ){
m_camwnd.m_deferred_motion.motion( event );
m_camwnd.m_deferred_motion.motion( scaledEvent( event ) );
m_camwnd.getCamera().m_idleDraw.queueDraw( DeferredMotion2::InvokeCaller( m_camwnd.m_deferred_motion ), false );
}
else{
@@ -1651,11 +1653,11 @@ protected:
}
void mouseReleaseEvent( QMouseEvent *event ) override {
if( !m_camwnd.m_bFreeMove ){
selection_button_release( event, m_camwnd.m_window_observer );
selection_button_release( scaledEvent( event ), m_camwnd.m_window_observer );
}
else{
selection_button_release_freemove( this, event, m_camwnd.m_window_observer );
disable_freelook_button_release( event, m_camwnd );
selection_button_release_freemove( this, scaledEvent( event ), m_camwnd.m_window_observer );
disable_freelook_button_release( scaledEvent( event ), m_camwnd );
}
}
void wheelEvent( QWheelEvent *event ) override {
@@ -1664,7 +1666,14 @@ protected:
m_camwnd.m_parent->activateWindow();
m_camwnd.m_parent->raise();
}
wheelmove_scroll( event, m_camwnd );
wheelmove_scroll( scaledEvent( event ), m_camwnd );
}
private:
QMouseEvent scaledEvent( const QMouseEvent *event ) const {
return QMouseEvent( event->type(), event->localPos() * m_scale, event->windowPos() * m_scale, event->screenPos() * m_scale, event->button(), event->buttons(), event->modifiers() );
}
QWheelEvent scaledEvent( const QWheelEvent *event ) const {
return QWheelEvent( event->posF() * m_scale, event->globalPosF() * m_scale, event->pixelDelta(), event->angleDelta(), event->buttons(), event->modifiers(), event->phase(), false );
}
};