1
0
mirror of https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System.git synced 2025-04-01 02:42:39 +08:00
Qt-Advanced-Docking-System/AdvancedDockingSystem/src/ContainerWidget.cpp

561 lines
17 KiB
C++

/*******************************************************************************
** QtAdcancedDockingSystem
** Copyright (C) 2017 Uwe Kindler
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
//============================================================================
// INCLUDES
//============================================================================
#include "MainContainerWidget.h"
#include "SectionContentWidget.h"
#include "ContainerWidget.h"
#include <QDebug>
#include <QPaintEvent>
#include <QPainter>
#include <QContextMenuEvent>
#include <QMenu>
#include <QSplitter>
#include <QDataStream>
#include <QtGlobal>
#include <QGridLayout>
#include <QPoint>
#include <QApplication>
#include <iostream>
#include "Internal.h"
#include "SectionWidget.h"
#include "SectionTitleWidget.h"
#include "DropOverlay.h"
#include "Serialization.h"
namespace ads
{
unsigned int CContainerWidget::zOrderCounter = 0;
//============================================================================
CContainerWidget::CContainerWidget(CMainContainerWidget* MainContainer, QWidget *parent)
: QFrame(parent),
m_MainContainerWidget(MainContainer)
{
m_MainLayout = new QGridLayout();
m_MainLayout->setContentsMargins(0, 1, 0, 0);
m_MainLayout->setSpacing(0);
setLayout(m_MainLayout);
}
//============================================================================
CContainerWidget::~CContainerWidget()
{
std::cout << "CContainerWidget::~CContainerWidget()" << std::endl;
m_MainContainerWidget->m_Containers.removeAll(this);
}
bool CContainerWidget::event(QEvent *e)
{
bool Result = QWidget::event(e);
if (e->type() == QEvent::WindowActivate)
{
m_zOrderIndex = ++zOrderCounter;
}
else if (e->type() == QEvent::Show && !m_zOrderIndex)
{
m_zOrderIndex = ++zOrderCounter;
}
return Result;
}
unsigned int CContainerWidget::zOrderIndex() const
{
return m_zOrderIndex;
}
void CContainerWidget::dropFloatingWidget(FloatingWidget* FloatingWidget,
const QPoint& TargetPos)
{
SectionWidget* sectionWidget = sectionWidgetAt(TargetPos);
DropArea dropArea = InvalidDropArea;
if (sectionWidget)
{
auto dropOverlay = m_MainContainerWidget->sectionDropOverlay();
dropOverlay->setAllowedAreas(AllAreas);
dropArea = dropOverlay->showDropOverlay(sectionWidget);
if (dropArea != InvalidDropArea)
{
std::cout << "Section Drop Content: " << dropArea << std::endl;
/*InternalContentData data;
FloatingWidget->takeContent(data);
FloatingWidget->deleteLater();
dropContent(data, sectionWidget, dropArea, true);*/
dropIntoSection(FloatingWidget, sectionWidget, dropArea);
}
}
// mouse is over container
if (InvalidDropArea == dropArea)
{
dropArea = m_MainContainerWidget->dropOverlay()->dropAreaUnderCursor();
std::cout << "Container Drop Content: " << dropArea << std::endl;
if (dropArea != InvalidDropArea)
{
// drop content
dropIntoContainer(FloatingWidget, dropArea);
}
}
}
void CContainerWidget::dropIntoContainer(FloatingWidget* FloatingWidget, DropArea area)
{
CContainerWidget* FloatingContainer = FloatingWidget->containerWidget();
QSplitter* FloatingMainSplitter = FloatingContainer->findChild<QSplitter*>(QString(), Qt::FindDirectChildrenOnly);
//QSplitter* oldsp = findImmediateSplitter(this);
// We use findChild here instead of findImmediateSplitter because I do not
// know what the advantage of the findImmediateSplitter function is
QSplitter* OldSplitter = this->findChild<QSplitter*>(QString(), Qt::FindDirectChildrenOnly);
//auto SectionWidgets = FloatingMainSplitter->findChildren<SectionWidget*>(QString(), Qt::FindDirectChildrenOnly);
QList<SectionWidget*> SectionWidgets;
for (int i = 0; i < FloatingMainSplitter->count(); ++i)
{
SectionWidgets.append(static_cast<SectionWidget*>(FloatingMainSplitter->widget(i)));
}
std::cout << "SectionWIdget[0] " << SectionWidgets[0] << " FloatingSplitter index 0"
<< FloatingMainSplitter->widget(0) << std::endl;
//std::cout<< "oldsp " << oldsp << " oldsp2 " << oldsp2 << std::endl;
Qt::Orientation orientation;
bool append;
switch (area)
{
case TopDropArea: orientation = Qt::Vertical; append = false; break;
case RightDropArea: orientation = Qt::Horizontal; append = true; break;
case CenterDropArea:
case BottomDropArea: orientation = Qt::Vertical; append = true; break;
case LeftDropArea: orientation = Qt::Horizontal; append = false; break;
}
auto l = m_MainLayout;
if (!OldSplitter)
{
std::cout << "Create new splitter" << std::endl;
// we have no splitter yet - let us create one
QSplitter* sp = CMainContainerWidget::newSplitter(FloatingMainSplitter->orientation());
if (l->count() > 0)
{
qWarning() << "Still items in layout. This should never happen.";
QLayoutItem* li = l->takeAt(0);
delete li;
}
l->addWidget(sp);
for (auto SectionWidget : SectionWidgets)
{
sp->addWidget(SectionWidget);
}
}
else if ((FloatingMainSplitter->orientation() == orientation || FloatingMainSplitter->count() == 1) &&
(OldSplitter->count() == 1 || OldSplitter->orientation() == orientation))
{
OldSplitter->setOrientation(orientation);
std::cout << "Splitter with right orientation" << std::endl;
// we have a splitter with only one item or with the right orientation so
// we can make it match the orientation of the floating splitter
for (int i = 0; i < SectionWidgets.count(); ++i)
{
if (append)
{
OldSplitter->addWidget(SectionWidgets[i]);
}
else
{
OldSplitter->insertWidget(i, SectionWidgets[i]);
}
}
}
else
{
std::cout << "Splitter with wrong orientation" << std::endl;
// we have a splitter but with the wrong orientation
QSplitter* sp = CMainContainerWidget::newSplitter(orientation);
if (append)
{
QLayoutItem* li = l->replaceWidget(OldSplitter, sp);
sp->addWidget(OldSplitter);
sp->addWidget(FloatingMainSplitter);
delete li;
}
else
{
sp->addWidget(FloatingMainSplitter);
QLayoutItem* li = l->replaceWidget(OldSplitter, sp);
sp->addWidget(OldSplitter);
delete li;
}
}
m_Sections.append(SectionWidgets);
FloatingWidget->deleteLater();
}
void CContainerWidget::dropIntoSection(FloatingWidget* FloatingWidget,
SectionWidget* targetSection, DropArea area)
{
CContainerWidget* FloatingContainer = FloatingWidget->containerWidget();
QSplitter* FloatingMainSplitter = FloatingContainer->findChild<QSplitter*>(QString(),
Qt::FindDirectChildrenOnly);
QList<SectionWidget*> SectionWidgets;
for (int i = 0; i < FloatingMainSplitter->count(); ++i)
{
SectionWidgets.append(static_cast<SectionWidget*>(FloatingMainSplitter->widget(i)));
}
Qt::Orientation Orientation;
int InsertIndexOffset;
switch (area)
{
case TopDropArea: Orientation = Qt::Vertical; InsertIndexOffset = 0;break;
case RightDropArea: Orientation = Qt::Horizontal; InsertIndexOffset = 1;break;
case BottomDropArea: Orientation = Qt::Vertical; InsertIndexOffset = 1;break;
case LeftDropArea: Orientation = Qt::Horizontal; InsertIndexOffset = 0;break;
case CenterDropArea:
{
QList<SectionWidget*> SectionWidgets = FloatingContainer->findChildren<SectionWidget*>(QString(), Qt::FindChildrenRecursively);
for (auto SectionWidget : SectionWidgets)
{
std::cout << "dropping into section CenterDropArea " << SectionWidget->contentCount() << std::endl;
while (SectionWidget->contentCount())
{
InternalContentData data;
if (!SectionWidget->takeContentAt(0, data))
{
qWarning() << "THIS SHOULD NOT HAPPEN!! " << 0;
return;
}
targetSection->addContent(data, false);
}
}
FloatingWidget->deleteLater();
}
return;
default:
break;
}
QSplitter* targetSectionSplitter = findParentSplitter(targetSection);
std::cout << "target->orientaton " << targetSectionSplitter->orientation()
<< " orien " << Orientation << std::endl;
int index = targetSectionSplitter->indexOf(targetSection);
std::cout << "targetSectionSplitter->indexOf(targetSection) " << index << std::endl;
if (targetSectionSplitter->orientation() == Orientation)
{
std::cout << "targetSectionSplitter->orientation() == Orientation" << std::endl;
if (FloatingMainSplitter->orientation() == Orientation || FloatingMainSplitter->count() == 1)
{
std::cout << "FloatingMainSplitter->orientation() == Orientation || FloatingMainSplitter->count() == 1" << std::endl;
for (int i = 0; i < SectionWidgets.count(); ++i)
{
targetSectionSplitter->insertWidget(index + InsertIndexOffset, SectionWidgets[i]);
}
}
else
{
targetSectionSplitter->insertWidget(index + InsertIndexOffset, FloatingMainSplitter);
}
}
else
{
std::cout << "targetSectionSplitter->orientation() != Orientation" << std::endl;
QSplitter* s = CMainContainerWidget::newSplitter(Orientation);
if (FloatingMainSplitter->orientation() == Orientation || FloatingMainSplitter->count() == 1)
{
std::cout << "FloatingMainSplitter->orientation() == Orientation || FloatingMainSplitter->count() == 1" << std::endl;
for (int i = 0; i < SectionWidgets.count(); ++i)
{
s->addWidget(SectionWidgets[i]);
}
}
else
{
s->addWidget(FloatingMainSplitter);
}
if (!InsertIndexOffset)
{
s->addWidget(targetSection);
}
else
{
s->insertWidget(0, targetSection);
}
targetSectionSplitter->insertWidget(index, s);
}
FloatingWidget->deleteLater();
m_Sections.append(SectionWidgets);
}
SectionWidget* CContainerWidget::sectionWidgetAt(const QPoint& pos) const
{
std::cout << "CContainerWidget::sectionWidgetAt m_Sections count "
<< m_Sections.count() << std::endl;
for (const auto& SectionWidget : m_Sections)
{
if (SectionWidget->rect().contains(SectionWidget->mapFromGlobal(pos)))
{
return SectionWidget;
}
}
return 0;
}
bool CContainerWidget::isInFrontOf(CContainerWidget* Other) const
{
return this->zOrderIndex() > Other->zOrderIndex();
}
SectionWidget* CContainerWidget::dropContent(const InternalContentData& data, SectionWidget* targetSectionWidget, DropArea area, bool autoActive)
{
ADS_Expects(targetSection != NULL);
SectionWidget* section_widget = nullptr;
// If no sections exists yet, create a default one and always drop into it.
if (m_Sections.isEmpty())
{
targetSectionWidget = newSectionWidget();
addSectionWidget(targetSectionWidget);
area = CenterDropArea;
}
// Drop on outer area
if (!targetSectionWidget)
{
switch (area)
{
case TopDropArea:return dropContentOuterHelper(m_MainLayout, data, Qt::Vertical, false);
case RightDropArea: return dropContentOuterHelper(m_MainLayout, data, Qt::Horizontal, true);
case CenterDropArea:
case BottomDropArea:return dropContentOuterHelper(m_MainLayout, data, Qt::Vertical, true);
case LeftDropArea: return dropContentOuterHelper(m_MainLayout, data, Qt::Horizontal, false);
default:
return nullptr;
}
return section_widget;
}
// Drop logic based on area.
switch (area)
{
case TopDropArea:return insertNewSectionWidget(data, targetSectionWidget, section_widget, Qt::Vertical, 0);
case RightDropArea: return insertNewSectionWidget(data, targetSectionWidget, section_widget, Qt::Horizontal, 1);
case BottomDropArea: return insertNewSectionWidget(data, targetSectionWidget, section_widget, Qt::Vertical, 1);
case LeftDropArea: return insertNewSectionWidget(data, targetSectionWidget, section_widget, Qt::Horizontal, 0);
case CenterDropArea:
targetSectionWidget->addContent(data, autoActive);
return targetSectionWidget;
default:
break;
}
return section_widget;
}
SectionWidget* CContainerWidget::newSectionWidget()
{
SectionWidget* sw = new SectionWidget(m_MainContainerWidget, this);
m_Sections.append(sw);
return sw;
}
void CContainerWidget::addSectionWidget(SectionWidget* section)
{
ADS_Expects(section != NULL);
if (section->containerWidget())
{
section->containerWidget()->takeSection(section);
}
// Create default splitter.
if (!m_Splitter)
{
m_Splitter = CMainContainerWidget::newSplitter(m_Orientation);
m_MainLayout->addWidget(m_Splitter, 0, 0);
}
if (m_Splitter->indexOf(section) != -1)
{
qWarning() << Q_FUNC_INFO << QString("Section has already been added");
return;
}
m_Splitter->addWidget(section);
m_Sections.append(section);
}
void CContainerWidget::takeSection(SectionWidget* Widget)
{
m_Sections.removeAll(Widget);
}
SectionWidget* CContainerWidget::dropContentOuterHelper(QLayout* l, const InternalContentData& data, Qt::Orientation orientation, bool append)
{
ADS_Expects(l != NULL);
SectionWidget* sw = newSectionWidget();
sw->addContent(data, true);
QSplitter* oldsp = findImmediateSplitter(this);
if (!oldsp)
{
QSplitter* sp = CMainContainerWidget::newSplitter(orientation);
if (l->count() > 0)
{
qWarning() << "Still items in layout. This should never happen.";
QLayoutItem* li = l->takeAt(0);
delete li;
}
l->addWidget(sp);
sp->addWidget(sw);
}
else if (oldsp->orientation() == orientation
|| oldsp->count() == 1)
{
oldsp->setOrientation(orientation);
if (append)
oldsp->addWidget(sw);
else
oldsp->insertWidget(0, sw);
}
else
{
QSplitter* sp = CMainContainerWidget::newSplitter(orientation);
if (append)
{
QLayoutItem* li = l->replaceWidget(oldsp, sp);
sp->addWidget(oldsp);
sp->addWidget(sw);
delete li;
}
else
{
sp->addWidget(sw);
QLayoutItem* li = l->replaceWidget(oldsp, sp);
sp->addWidget(oldsp);
delete li;
}
}
return sw;
}
SectionWidget* CContainerWidget::insertNewSectionWidget(
const InternalContentData& data, SectionWidget* targetSection, SectionWidget* ret,
Qt::Orientation Orientation, int InsertIndexOffset)
{
QSplitter* targetSectionSplitter = findParentSplitter(targetSection);
SectionWidget* sw = newSectionWidget();
sw->addContent(data, true);
if (targetSectionSplitter->orientation() == Orientation)
{
const int index = targetSectionSplitter->indexOf(targetSection);
targetSectionSplitter->insertWidget(index + InsertIndexOffset, sw);
}
else
{
const int index = targetSectionSplitter->indexOf(targetSection);
QSplitter* s = CMainContainerWidget::newSplitter(Orientation);
s->addWidget(sw);
s->addWidget(targetSection);
targetSectionSplitter->insertWidget(index, s);
}
ret = sw;
return ret;
}
SectionWidget* CContainerWidget::addSectionContent(const SectionContent::RefPtr& sc, SectionWidget* sw, DropArea area)
{
ADS_Expects(!sc.isNull());
// Drop it based on "area"
InternalContentData data;
data.content = sc;
data.titleWidget = new SectionTitleWidget(sc, NULL);
data.contentWidget = new CSectionContentWidget(sc, NULL);
connect(data.titleWidget, SIGNAL(activeTabChanged()), this, SLOT(onActiveTabChanged()));
return dropContent(data, sw, area, false);
}
void dumpChildSplitters(QWidget* Widget)
{
QSplitter* ParentSplitter = dynamic_cast<QSplitter*>(Widget);
auto Sections = Widget->findChildren<SectionWidget*>(QString(), Qt::FindDirectChildrenOnly);
auto Splitters = Widget->findChildren<QSplitter*>(QString(), Qt::FindDirectChildrenOnly);
std::cout << "-----------------------" << std::endl;
std::cout << "Sections " << Sections.size() << std::endl;
std::cout << "Splitters " << Splitters.size() << std::endl;
for (const auto& Splitter : Splitters)
{
if (ParentSplitter)
{
std::cout << "Orientation " << Splitter->orientation() << " index " << ParentSplitter->indexOf(Splitter) << std::endl;
}
else
{
std::cout << "Orientation " << Splitter->orientation() << std::endl;
}
dumpChildSplitters(Splitter);
}
}
void CContainerWidget::dumpLayout()
{
dumpChildSplitters(this);
}
void CContainerWidget::onActiveTabChanged()
{
SectionTitleWidget* stw = qobject_cast<SectionTitleWidget*>(sender());
if (stw)
{
emit activeTabChanged(stw->m_Content, stw->isActiveTab());
}
}
} // namespace ads
//---------------------------------------------------------------------------
// EOF ContainerWidget.cpp