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Add orientation toggle controls to calculator example #9

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64 changes: 62 additions & 2 deletions examples/calculator/FlowchartManager.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,10 @@

#include <QtWidgets/QAction>
#include <QtWidgets/QHBoxLayout>
#include <QtWidgets/QLabel>
#include <QtWidgets/QMessageBox>
#include <QtWidgets/QPushButton>
#include <QtWidgets/QRadioButton>
#include <QtWidgets/QVBoxLayout>


Expand All @@ -20,6 +22,7 @@ QString createDefaultName(int index)

FlowchartPage::FlowchartPage(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> registry,
QString displayName,
Qt::Orientation orientation,
QWidget *parent)
: QWidget(parent)
, _model(std::move(registry))
Expand All @@ -43,6 +46,7 @@ FlowchartPage::FlowchartPage(std::shared_ptr<QtNodes::NodeDelegateModelRegistry>
layout->addWidget(controlsWidget);

_scene = new QtNodes::DataFlowGraphicsScene(_model, this);
_scene->setOrientation(orientation);
_view = new QtNodes::GraphicsView(_scene);

layout->addWidget(_view);
Expand All @@ -60,6 +64,15 @@ FlowchartPage::FlowchartPage(std::shared_ptr<QtNodes::NodeDelegateModelRegistry>
connect(_runButton, &QPushButton::clicked, this, &FlowchartPage::runFlowchart);
}

void FlowchartPage::setOrientation(Qt::Orientation orientation)
{
if (_scene)
_scene->setOrientation(orientation);

if (_view)
_view->centerScene();
}

bool FlowchartPage::save()
{
if (_scene->save()) {
Expand Down Expand Up @@ -137,6 +150,14 @@ FlowchartManager::FlowchartManager(std::shared_ptr<QtNodes::NodeDelegateModelReg
controlsLayout->addWidget(_runAllButton);
controlsLayout->addStretch();

auto *orientationLabel = new QLabel(tr("Orientation:"), controlsWidget);
_horizontalOrientationButton = new QRadioButton(tr("Horizontal"), controlsWidget);
_verticalOrientationButton = new QRadioButton(tr("Vertical"), controlsWidget);

controlsLayout->addWidget(orientationLabel);
controlsLayout->addWidget(_horizontalOrientationButton);
controlsLayout->addWidget(_verticalOrientationButton);

layout->addWidget(controlsWidget);

_tabWidget = new QTabWidget(this);
Expand All @@ -151,6 +172,14 @@ FlowchartManager::FlowchartManager(std::shared_ptr<QtNodes::NodeDelegateModelReg
connect(_runCurrentButton, &QPushButton::clicked, this, &FlowchartManager::runCurrentFlowchart);
connect(_runAllButton, &QPushButton::clicked, this, &FlowchartManager::runAllFlowcharts);

connect(_horizontalOrientationButton, &QRadioButton::clicked, this, [this]() {
setOrientation(Qt::Horizontal);
});

connect(_verticalOrientationButton, &QRadioButton::clicked, this, [this]() {
setOrientation(Qt::Vertical);
});

connect(_tabWidget, &QTabWidget::currentChanged, this, [this](int) {
updateActionsState();
});
Expand All @@ -165,6 +194,7 @@ FlowchartManager::FlowchartManager(std::shared_ptr<QtNodes::NodeDelegateModelReg
createFlowchart();

updateActionsState();
updateOrientationButtons();
}

void FlowchartManager::addFlowchart()
Expand All @@ -183,8 +213,10 @@ void FlowchartManager::saveCurrentFlowchart()
void FlowchartManager::loadCurrentFlowchart()
{
if (auto *page = currentPage()) {
if (page->load())
if (page->load()) {
updateTabText(page);
page->setOrientation(_orientation);
}
}
}

Expand Down Expand Up @@ -247,7 +279,7 @@ FlowchartPage *FlowchartManager::createFlowchart(QString const &displayName)
++_flowchartCount;
auto title = displayName.isEmpty() ? createDefaultName(_flowchartCount) : displayName;

auto *page = new FlowchartPage(_registry, title, _tabWidget);
auto *page = new FlowchartPage(_registry, title, _orientation, _tabWidget);

auto index = _tabWidget->addTab(page, title);
_tabWidget->setCurrentIndex(index);
Expand All @@ -260,10 +292,38 @@ FlowchartPage *FlowchartManager::createFlowchart(QString const &displayName)
updateTabText(page);
updateWindowModifiedFlag();
updateActionsState();
page->setOrientation(_orientation);

return page;
}

void FlowchartManager::setOrientation(Qt::Orientation orientation)
{
if (_orientation == orientation)
return;

_orientation = orientation;
updateOrientationButtons();
applyOrientationToAllPages();
}

void FlowchartManager::applyOrientationToAllPages()
{
for (int i = 0; i < _tabWidget->count(); ++i) {
if (auto *page = pageAt(i))
page->setOrientation(_orientation);
}
}

void FlowchartManager::updateOrientationButtons()
{
if (_horizontalOrientationButton)
_horizontalOrientationButton->setChecked(_orientation == Qt::Horizontal);

if (_verticalOrientationButton)
_verticalOrientationButton->setChecked(_orientation == Qt::Vertical);
}

void FlowchartManager::updateTabText(FlowchartPage *page)
{
if (!page)
Expand Down
13 changes: 13 additions & 0 deletions examples/calculator/FlowchartManager.hpp
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@
#include <QtNodes/GraphicsView>
#include <QtNodes/NodeDelegateModelRegistry>

#include <QtCore/Qt>

#include <QtWidgets/QMenuBar>
#include <QtWidgets/QTabWidget>
#include <QtWidgets/QWidget>
Expand All @@ -13,6 +15,7 @@

class QAction;
class QPushButton;
class QRadioButton;

class FlowchartPage : public QWidget
{
Expand All @@ -21,6 +24,7 @@ class FlowchartPage : public QWidget
public:
FlowchartPage(std::shared_ptr<QtNodes::NodeDelegateModelRegistry> registry,
QString displayName,
Qt::Orientation orientation,
QWidget *parent = nullptr);

bool save();
Expand All @@ -32,6 +36,8 @@ class FlowchartPage : public QWidget

void setDisplayName(QString name);

void setOrientation(Qt::Orientation orientation);

public Q_SLOTS:
void runFlowchart();

Expand Down Expand Up @@ -73,6 +79,10 @@ private Q_SLOTS:

FlowchartPage *createFlowchart(QString const &displayName = QString());

void setOrientation(Qt::Orientation orientation);
void applyOrientationToAllPages();
void updateOrientationButtons();

void updateTabText(FlowchartPage *page);
void updateWindowModifiedFlag();
void updateActionsState();
Expand All @@ -87,5 +97,8 @@ private Q_SLOTS:
QAction *_closeAction = nullptr;
QPushButton *_runCurrentButton = nullptr;
QPushButton *_runAllButton = nullptr;
QRadioButton *_horizontalOrientationButton = nullptr;
QRadioButton *_verticalOrientationButton = nullptr;
Qt::Orientation _orientation = Qt::Horizontal;
int _flowchartCount = 0;
};