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Update DockAreaTab bar to undock / shwo undock preview as soon as a tab is dragged outside of the tab bar

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This commit is contained in:
Uwe Kindler 2020-02-19 22:07:17 +01:00
parent 3f09d5c6ea
commit fd28f0f751
2 changed files with 26 additions and 25 deletions
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40
src/DockAreaTabBar.cpp
View File

@ -35,6 +35,7 @@
#include <QDebug>
#include <QBoxLayout>
#include <QApplication>
#include <QtGlobal>
#include "FloatingDockContainer.h"
#include "DockAreaWidget.h"
@ -69,6 +70,16 @@ struct DockAreaTabBarPrivate
* The function reassigns the stylesheet to update the tabs
*/
void updateTabs();
/**
* Convenience function to access first tab
*/
CDockWidgetTab* firstTab() const {return _this->tab(0);}
/**
* Convenience function to access last tab
*/
CDockWidgetTab* lastTab() const {return _this->tab(_this->count() - 1);}
};
// struct DockAreaTabBarPrivate
@ -366,6 +377,8 @@ void CDockAreaTabBar::onTabWidgetMoved(const QPoint& GlobalPos)
int fromIndex = d->TabsLayout->indexOf(MovingTab);
auto MousePos = mapFromGlobal(GlobalPos);
MousePos.rx() = qMax(d->firstTab()->geometry().left(), MousePos.x());
MousePos.rx() = qMin(d->lastTab()->geometry().right(), MousePos.x());
int toIndex = -1;
// Find tab under mouse
for (int i = 0; i < count(); ++i)
@ -381,38 +394,23 @@ void CDockAreaTabBar::onTabWidgetMoved(const QPoint& GlobalPos)
if (toIndex == fromIndex)
{
toIndex = -1;
continue;
}
if (toIndex < 0)
{
toIndex = 0;
}
break;
}
// Now check if the mouse is behind the last tab
if (toIndex < 0)
if (toIndex > -1)
{
if (MousePos.x() > tab(count() - 1)->geometry().right())
{
ADS_PRINT("after all tabs");
toIndex = count() - 1;
}
else
{
toIndex = fromIndex;
}
}
d->TabsLayout->removeWidget(MovingTab);
d->TabsLayout->insertWidget(toIndex, MovingTab);
if (toIndex >= 0)
{
ADS_PRINT("tabMoved from " << fromIndex << " to " << toIndex);
emit tabMoved(fromIndex, toIndex);
setCurrentIndex(toIndex);
}
else
{
// Ensure that the moved tab is reset to its start position
d->TabsLayout->update();
}
}
//===========================================================================

7
src/DockWidgetTab.cpp
View File

@ -357,16 +357,19 @@ void CDockWidgetTab::mouseMoveEvent(QMouseEvent* ev)
}
// move tab
bool TabOutsideBar = false;
if (d->isDraggingState(DraggingTab))
{
// Moving the tab is always allowed because it does not mean moving the
// dock widget around
d->moveTab(ev);
TabOutsideBar = (geometry().right() < 0) || (geometry().left() > parentWidget()->rect().right());
}
// Maybe a fixed drag distance is better here ?
int DragDistanceY = qAbs(d->GlobalDragStartMousePosition.y() - ev->globalPos().y());
if (DragDistanceY >= CDockManager::startDragDistance())
if (DragDistanceY >= CDockManager::startDragDistance() || TabOutsideBar)
{
// If this is the last dock area in a dock container with only
// one single dock widget it does not make sense to move it to a new
@ -390,7 +393,7 @@ void CDockWidgetTab::mouseMoveEvent(QMouseEvent* ev)
// tab because it looks strange if it remains on its dragged position
if (d->isDraggingState(DraggingTab) && !CDockManager::configFlags().testFlag(CDockManager::OpaqueUndocking))
{
this->move(d->TabDragStartPosition);
parentWidget()->layout()->update();
}
d->startFloating();
}