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ui: merged nodeview/timelineview scrolling code

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Greatly improves code quality and maintainability
This commit is contained in:
itsmattkc
2021-05-10 11:15:37 +10:00
parent 1c983f6b8c
commit 94b2cebeea
11 changed files with 105 additions and 130 deletions
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app/widget/handmovableview/handmovableview.cpp
+41 -6
View File
@@ -22,12 +22,15 @@
#include <QMouseEvent>
#include "config/config.h"
#include "core.h"
namespace olive {
#define super QGraphicsView
HandMovableView::HandMovableView(QWidget* parent) :
QGraphicsView(parent),
super(parent),
dragging_hand_(false)
{
connect(Core::instance(), &Core::ToolChanged, this, &HandMovableView::ApplicationToolChanged);
@@ -62,7 +65,7 @@ bool HandMovableView::HandPress(QMouseEvent *event)
Qt::LeftButton,
event->modifiers());
QGraphicsView::mousePressEvent(&transformed);
super::mousePressEvent(&transformed);
return true;
}
@@ -80,7 +83,7 @@ bool HandMovableView::HandMove(QMouseEvent *event)
Qt::LeftButton,
event->modifiers());
QGraphicsView::mouseMoveEvent(&transformed);
super::mouseMoveEvent(&transformed);
}
return dragging_hand_;
}
@@ -95,7 +98,7 @@ bool HandMovableView::HandRelease(QMouseEvent *event)
Qt::LeftButton,
event->modifiers());
QGraphicsView::mouseReleaseEvent(&transformed);
super::mouseReleaseEvent(&transformed);
setInteractive(true);
setDragMode(pre_hand_drag_mode_);
@@ -108,15 +111,47 @@ bool HandMovableView::HandRelease(QMouseEvent *event)
return false;
}
void HandMovableView::SetDefaultDragMode(QGraphicsView::DragMode mode)
void HandMovableView::SetDefaultDragMode(HandMovableView::DragMode mode)
{
default_drag_mode_ = mode;
setDragMode(default_drag_mode_);
}
const QGraphicsView::DragMode &HandMovableView::GetDefaultDragMode() const
const HandMovableView::DragMode &HandMovableView::GetDefaultDragMode() const
{
return default_drag_mode_;
}
bool HandMovableView::WheelEventIsAZoomEvent(QWheelEvent *event)
{
return (static_cast<bool>(event->modifiers() & Qt::ControlModifier) == !Config::Current()[QStringLiteral("ScrollZooms")].toBool());
}
void HandMovableView::wheelEvent(QWheelEvent *event)
{
if (WheelEventIsAZoomEvent(event)) {
if (!event->angleDelta().isNull()) {
qreal multiplier = 1.0 + (static_cast<qreal>(event->angleDelta().x() + event->angleDelta().y()) * 0.001);
QPointF cursor_pos;
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
cursor_pos = event->position();
#else
cursor_pos = event->posF();
#endif
ZoomIntoCursorPosition(event, multiplier, cursor_pos);
}
} else {
super::wheelEvent(event);
}
}
void HandMovableView::ZoomIntoCursorPosition(QWheelEvent *event, double multiplier, const QPointF &cursor_pos)
{
Q_UNUSED(event)
Q_UNUSED(multiplier)
Q_UNUSED(cursor_pos)
}
}