initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/qt/private/treeitemdelegate.h

@@ -0,0 +1,99 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/qt/private/treeitemdelegate.h
+// Purpose:     Delegate to create text edit controls for the tree items
+// Author:      Matthew Griffin
+// Created:     2019-05-29
+// Copyright:   Matthew Griffin
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_QT_PRIVATE_TREEITEM_DELEGATE_H
+#define _WX_QT_PRIVATE_TREEITEM_DELEGATE_H
+
+#include <QtWidgets/QStyledItemDelegate>
+#include <QtWidgets/QToolTip>
+
+#include "wx/app.h"
+#include "wx/textctrl.h"
+
+#include "treeitemfactory.h"
+
+class wxQTTreeItemDelegate : public QStyledItemDelegate
+{
+public:
+    explicit wxQTTreeItemDelegate(wxWindow* parent)
+        : m_parent(parent),
+        m_textCtrl(nullptr)
+    {
+    }
+
+    QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &WXUNUSED(option), const QModelIndex &index) const override
+    {
+        if ( m_textCtrl != nullptr )
+            destroyEditor(m_textCtrl->GetHandle(), m_currentModelIndex);
+
+        m_currentModelIndex = index;
+        m_textCtrl = new wxQtListTextCtrl(m_parent, parent);
+        m_textCtrl->SetFocus();
+        return m_textCtrl->GetHandle();
+    }
+
+    void destroyEditor(QWidget *WXUNUSED(editor), const QModelIndex &WXUNUSED(index)) const override
+    {
+        if ( m_textCtrl != nullptr )
+        {
+            m_currentModelIndex = QModelIndex(); // invalidate the index
+            wxTheApp->ScheduleForDestruction(m_textCtrl);
+            m_textCtrl = nullptr;
+        }
+    }
+
+    void setModelData(QWidget *WXUNUSED(editor), QAbstractItemModel *WXUNUSED(model), const QModelIndex &WXUNUSED(index)) const override
+    {
+        // Don't set model data until wx has had a chance to send out events
+    }
+
+    wxTextCtrl* GetEditControl() const
+    {
+        return m_textCtrl;
+    }
+
+    QModelIndex GetCurrentModelIndex() const
+    {
+        return m_currentModelIndex;
+    }
+
+    void AcceptModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
+    {
+        QStyledItemDelegate::setModelData(editor, model, index);
+    }
+
+    virtual bool helpEvent(QHelpEvent* event, QAbstractItemView* view, const QStyleOptionViewItem& option, const QModelIndex& index) override
+    {
+        if ( event->type() == QEvent::ToolTip )
+        {
+            const QRect &itemRect = view->visualRect(index);
+            const QSize &bestSize = sizeHint(option, index);
+            if ( itemRect.width() < bestSize.width() )
+            {
+                const QString &value = index.data(Qt::DisplayRole).toString();
+                QToolTip::showText(event->globalPos(), value, view);
+            }
+            else
+            {
+                QToolTip::hideText();
+            }
+
+            return true;
+        }
+
+        return QStyledItemDelegate::helpEvent(event, view, option, index);
+    }
+
+private:
+    wxWindow* m_parent;
+    mutable wxTextCtrl* m_textCtrl;
+    mutable QModelIndex m_currentModelIndex;
+};
+
+#endif // _WX_QT_PRIVATE_TREEITEM_DELEGATE_H