Central widget update

Updated the setting of central widget with option to set where the possible old central widget will be placed. Fixed option of "unsetting" central widget by setting it to nullptr.

Author: hulswit

.gitignore

@@ -382,3 +382,4 @@ MigrationBackup/
 FodyWeavers.xsd
 / build
 /Settings.ini
+.vscode/settings.json

examples/centralWidget/centralWidget.pro

@@ -22,12 +22,10 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
-    digitalclock.cpp \
     main.cpp \
     mainwindow.cpp
 
 HEADERS += \
-    digitalclock.h \
     mainwindow.h
 
 FORMS += \

examples/centralWidget/digitalclock.cpp

@@ -1,6 +1,5 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
-#include "digitalclock.h"
 
 #include <QWidgetAction>
 #include <QLabel>
@@ -96,12 +95,8 @@ CMainWindow::CMainWindow(QWidget *parent)
     QCalendarWidget* calendar = new QCalendarWidget();
     CDockWidget* CentralDockWidget = new CDockWidget("CentralWidget");
     CentralDockWidget->setWidget(calendar);
-    CentralDockWidget->setFeature(CDockWidget::DockWidgetClosable, false);
-    CentralDockWidget->setFeature(CDockWidget::DockWidgetMovable, false);
-    CentralDockWidget->setFeature(CDockWidget::DockWidgetFloatable, false);
     auto* CentralDockArea = DockManager->setCentralWidget(CentralDockWidget);
     CentralDockArea->setAllowedAreas(DockWidgetArea::OuterDockAreas);
-    CentralDockArea->setDockAreaFlag(CDockAreaWidget::eDockAreaFlag::HideSingleWidgetTitleBar, true);
 
     QTreeView* fileTree = new QTreeView();
     fileTree->setFrameShape(QFrame::NoFrame);
@@ -139,20 +134,18 @@ CMainWindow::CMainWindow(QWidget *parent)
     QRadioButton* radioDockTop = new QRadioButton("Top", timeLineWidget);
     QRadioButton* radioDockBottom = new QRadioButton("Bottom", timeLineWidget);
     radioDockTop->setChecked(true);
-    timelineLayout->addWidget(new QLabel("Fixed height Dock widget."));
+    timelineLayout->addWidget(new QLabel("Test Widget."));
     timelineLayout->addStretch(1);
     timelineLayout->addWidget(new QLabel("Apply predefined perspective: ", this));
     timelineLayout->addWidget(radioDockTop);
     timelineLayout->addWidget(radioDockBottom);
     TimelineDockWidget = new CDockWidget("Timeline");
     TimelineDockWidget->setWidget(timeLineWidget);
-//    TimelineDockWidget->setResizeMode(CDockWidget::eResizeMode::ResizeHorizontal);
     TimelineDockWidget->setFeature(CDockWidget::DockWidgetClosable, false);
     TimelineDockWidget->setFeature(CDockWidget::DockWidgetMovable, false);
     TimelineDockWidget->setFeature(CDockWidget::DockWidgetFloatable, false);
     TimelineDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
     TimelineDockWidget->setMinimumSize(QSize(50, 50));
-    TimelineDockWidget->setFixedHeight(50);
     auto *TimelineDockArea = DockManager->addDockWidget(DockWidgetArea::TopDockWidgetArea, TimelineDockWidget);
     TimelineDockArea->setDockAreaFlag(CDockAreaWidget::eDockAreaFlag::HideSingleWidgetTitleBar, true);
     TimelineDockArea->setAllowedAreas(DockWidgetArea::OuterDockAreas);
@@ -177,7 +170,6 @@ CMainWindow::CMainWindow(QWidget *parent)
     QWidget* statusWidget = new QWidget();
     QHBoxLayout* statusLayout = new QHBoxLayout(statusWidget);
     statusLayout->setSpacing(10);
-    CDigitalClock* clock = new CDigitalClock(statusWidget);
     statusLayout->addWidget(new QLabel("Status Bar"));
     QPushButton* OpenPerspectiveButton = new QPushButton("Open Perspective", statusWidget);
     connect(OpenPerspectiveButton, &QPushButton::clicked, [this](){
@@ -215,19 +207,16 @@ CMainWindow::CMainWindow(QWidget *parent)
     statusLayout->addWidget(OpenPerspectiveButton);
     statusLayout->addWidget(SavePerspectiveButton);
     statusLayout->addStretch(1);
-    statusLayout->addWidget(clock);
     CDockWidget* StatusDockWidget = new CDockWidget("Status");
     StatusDockWidget->setWidget(statusWidget);
-//    StatusDockWidget->setResizeMode(CDockWidget::eResizeMode::ResizeHorizontal);
     StatusDockWidget->setFeature(CDockWidget::DockWidgetClosable, false);
     StatusDockWidget->setFeature(CDockWidget::DockWidgetMovable, false);
     StatusDockWidget->setFeature(CDockWidget::DockWidgetFloatable, false);
     StatusDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
     StatusDockWidget->setMinimumSize(QSize(50, 50));
-    StatusDockWidget->setFixedHeight(50);
     StatusDockArea = DockManager->addDockWidget(DockWidgetArea::BottomDockWidgetArea, StatusDockWidget);
     StatusDockArea->setAllowedAreas(DockWidgetArea::OuterDockAreas);
-    StatusDockArea->setDockAreaFlag(CDockAreaWidget::eDockAreaFlag::HideSingleWidgetTitleBar, true);
+    StatusDockArea->setDockAreaFlag(ads::CDockAreaWidget::eDockAreaFlag::HideSingleWidgetTitleBar, true);
 }
 
 CMainWindow::~CMainWindow()

examples/centralWidget/digitalclock.h

@@ -711,11 +711,14 @@ void DockContainerWidgetPrivate::moveToNewSection(QWidget* Widget, CDockAreaWidg
 //============================================================================
 void DockContainerWidgetPrivate::updateSplitterHandles( QSplitter* splitter )
 {
-    if( splitter )
+    if(DockManager->centralWidget())
     {
-        for( int index = 0; index < splitter->count(); index++ )
+        if( splitter )
         {
-            splitter->setStretchFactor(index, widgetResizesWithContainer(splitter->widget(index)) ? 1 : 0);
+            for( int index = 0; index < splitter->count(); index++ )
+            {
+                splitter->setStretchFactor(index, widgetResizesWithContainer(splitter->widget(index)) ? 1 : 0);
+            }
         }
     }
 }
@@ -1256,7 +1259,6 @@ CDockAreaWidget* DockContainerWidgetPrivate::addDockWidgetToDockArea(DockWidgetA
 		auto TargetAreaSizes = TargetAreaSplitter->sizes();
 		QSplitter* NewSplitter = newSplitter(InsertParam.orientation());
 		NewSplitter->addWidget(TargetDockArea);
-//        updateSplitterHandles(NewSplitter);
 
 		insertWidgetIntoSplitter(NewSplitter, NewDockArea, InsertParam.append());
         updateSplitterHandles(NewSplitter);

examples/centralWidget/mainwindow.cpp

@@ -407,6 +407,7 @@ bool DockManagerPrivate::restoreState(const QByteArray& State, int version)
     	return false;
     }
 
+    CentralWidget = nullptr;
     // Hide updates of floating widgets from use
     hideFloatingWidgets();
     markDockWidgetsDirty();
@@ -830,15 +831,25 @@ CDockWidget* CDockManager::centralWidget()
 }
 
 //============================================================================
-CDockAreaWidget* CDockManager::setCentralWidget(CDockWidget* widget)
+CDockAreaWidget* CDockManager::setCentralWidget(CDockWidget* widget, CDockWidget* oldCentralWidget, DockWidgetArea oldCentralWidgetArea)
 {
-    if(d->CentralWidget)
+    oldCentralWidget = d->CentralWidget;
+    if(oldCentralWidget)
     {
-        addDockWidget(RightDockWidgetArea, d->CentralWidget);
+        addDockWidget(oldCentralWidgetArea, oldCentralWidget);
     }
 
-    d->CentralWidget = widget;
-    return addDockWidget(CenterDockWidgetArea, widget);
+    if(widget)
+    {
+        widget->setFeature(CDockWidget::DockWidgetClosable, false);
+        widget->setFeature(CDockWidget::DockWidgetMovable, false);
+        widget->setFeature(CDockWidget::DockWidgetFloatable, false);
+        d->CentralWidget = widget;
+        CDockAreaWidget* CentralArea = addDockWidget(CenterDockWidgetArea, widget);
+        CentralArea->setDockAreaFlag(CDockAreaWidget::eDockAreaFlag::HideSingleWidgetTitleBar, true);
+        return CentralArea;
+    }
+    return nullptr;
 }
 
 //============================================================================

src/DockContainerWidget.cpp

@@ -387,8 +387,10 @@ class ADS_EXPORT CDockManager : public CDockContainerWidget
      * Adds dockwidget into the central area and marks it as central widget.
      * If central widget is set, it will be the only dock widget
      * that will resize with the dock container.
+     * If a central widget does exist, it will be docked to oldCentralWidgetArea
+     * and returned in oldCentralWidget.
      */
-    CDockAreaWidget* setCentralWidget(CDockWidget* widget);
+    CDockAreaWidget* setCentralWidget(CDockWidget* widget, CDockWidget* oldCentralWidget = nullptr, DockWidgetArea oldCentralWidgetArea = DockWidgetArea::RightDockWidgetArea);
 
     /**
 	 * Adds a toggle view action to the the internal view menu.