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Add signal handlers to generate wx events for wxTreeCtrl under wxQT

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This commit is contained in:
Graham Dawes
2019-02-05 19:50:16 +00:00
parent c87e959a4a
commit c7f77ba765
1 changed files with 90 additions and 9 deletions
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99
src/qt/treectrl.cpp
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@@ -15,15 +15,6 @@
namespace
{
class wxQTreeWidget : public wxQtEventSignalHandler<QTreeWidget, wxTreeCtrl>
{
public:
wxQTreeWidget(wxWindow *parent, wxTreeCtrl *handler) :
wxQtEventSignalHandler(parent, handler)
{
}
};
QTreeWidgetItem *wxQtConvertTreeItem(const wxTreeItemId &item)
{
return static_cast<QTreeWidgetItem*>(item.GetID());
@@ -34,6 +25,96 @@ namespace
return wxTreeItemId(item);
}
class wxQTreeWidget : public wxQtEventSignalHandler<QTreeWidget, wxTreeCtrl>
{
public:
wxQTreeWidget(wxWindow *parent, wxTreeCtrl *handler) :
wxQtEventSignalHandler(parent, handler)
{
connect(this, &QTreeWidget::currentItemChanged, this, &wxQTreeWidget::OnCurrentItemChanged);
connect(this, &QTreeWidget::itemActivated, this, &wxQTreeWidget::OnItemActivated);
connect(this, &QTreeWidget::itemClicked, this, &wxQTreeWidget::OnItemClicked);
connect(this, &QTreeWidget::itemCollapsed, this, &wxQTreeWidget::OnItemCollapsed);
connect(this, &QTreeWidget::itemExpanded, this, &wxQTreeWidget::OnItemExpanded);
}
private:
void OnCurrentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
{
wxTreeEvent changingEvent(wxEVT_TREE_SEL_CHANGING, GetHandler(), wxQtConvertTreeItem(current));
EmitEvent(changingEvent);
if ( !changingEvent.IsAllowed() )
{
blockSignals(true);
setCurrentItem(previous);
blockSignals(false);
return;
}
wxTreeEvent changedEvent(wxEVT_TREE_SEL_CHANGED, GetHandler(), wxQtConvertTreeItem(current));
EmitEvent(changedEvent);
}
void OnItemActivated(QTreeWidgetItem *item, int WXUNUSED(column))
{
wxTreeEvent event(wxEVT_TREE_ITEM_ACTIVATED, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(event);
}
void OnItemClicked(QTreeWidgetItem *item)
{
wxMouseState mouseState = wxGetMouseState();
wxEventType eventType;
if (mouseState.RightIsDown())
eventType = wxEVT_TREE_ITEM_RIGHT_CLICK;
else if (mouseState.MiddleIsDown())
eventType = wxEVT_TREE_ITEM_MIDDLE_CLICK;
else
return;
wxTreeEvent event(eventType, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(event);
}
void OnItemCollapsed(QTreeWidgetItem *item)
{
wxTreeEvent collapsingEvent(wxEVT_TREE_ITEM_COLLAPSING, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(collapsingEvent);
if (!collapsingEvent.IsAllowed())
{
blockSignals(true);
item->setExpanded(true);
blockSignals(false);
return;
}
wxTreeEvent collapsedEvent(wxEVT_TREE_ITEM_COLLAPSED, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(collapsedEvent);
}
void OnItemExpanded(QTreeWidgetItem *item)
{
wxTreeEvent expandingEvent(wxEVT_TREE_ITEM_EXPANDING, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(expandingEvent);
if (!expandingEvent.IsAllowed())
{
blockSignals(true);
item->setExpanded(false);
blockSignals(false);
return;
}
wxTreeEvent expandedEvent(wxEVT_TREE_ITEM_EXPANDED, GetHandler(), wxQtConvertTreeItem(item));
EmitEvent(expandedEvent);
}
};
size_t CountChildren(QTreeWidgetItem *item)
{
const int currentCount = item->childCount();