4f4c5fcfdf
This is a combination of running clang-tidy with modernize-use-nullptr check for some ports (GTK, X11, OSX) and manual changes to the ports for which it couldn't be used easily (MSW, DFB) and also manually updating the docs. Also replace NULL with null or nullptr in the comments as this is more consistent with the use of nullptr in the code and makes it simpler to grep for the remaining occurrences of NULL itself. And also use null in the assert messages. Only a few occurrences of "NULL" are still left in non-C files, mostly corresponding to unclear comments or string output which it might not be safe to change.
99 lines
3 KiB
C++
99 lines
3 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/qt/private/treeitemdelegate.h
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// Purpose: Delegate to create text edit controls for the tree items
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// Author: Matthew Griffin
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// Created: 2019-05-29
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// Copyright: Matthew Griffin
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_QT_PRIVATE_TREEITEM_DELEGATE_H
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#define _WX_QT_PRIVATE_TREEITEM_DELEGATE_H
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#include <QtWidgets/QStyledItemDelegate>
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#include <QtWidgets/QToolTip>
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#include "wx/app.h"
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#include "wx/textctrl.h"
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#include "treeitemfactory.h"
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class wxQTTreeItemDelegate : public QStyledItemDelegate
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{
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public:
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explicit wxQTTreeItemDelegate(wxWindow* parent)
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: m_parent(parent),
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m_textCtrl(nullptr)
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{
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}
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QWidget* createEditor(QWidget *parent, const QStyleOptionViewItem &WXUNUSED(option), const QModelIndex &index) const override
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{
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if ( m_textCtrl != nullptr )
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destroyEditor(m_textCtrl->GetHandle(), m_currentModelIndex);
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m_currentModelIndex = index;
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m_textCtrl = new wxQtListTextCtrl(m_parent, parent);
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m_textCtrl->SetFocus();
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return m_textCtrl->GetHandle();
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}
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void destroyEditor(QWidget *WXUNUSED(editor), const QModelIndex &WXUNUSED(index)) const override
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{
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if ( m_textCtrl != nullptr )
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{
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m_currentModelIndex = QModelIndex(); // invalidate the index
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wxTheApp->ScheduleForDestruction(m_textCtrl);
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m_textCtrl = nullptr;
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}
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}
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void setModelData(QWidget *WXUNUSED(editor), QAbstractItemModel *WXUNUSED(model), const QModelIndex &WXUNUSED(index)) const override
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{
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// Don't set model data until wx has had a chance to send out events
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}
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wxTextCtrl* GetEditControl() const
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{
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return m_textCtrl;
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}
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QModelIndex GetCurrentModelIndex() const
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{
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return m_currentModelIndex;
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}
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void AcceptModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
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{
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QStyledItemDelegate::setModelData(editor, model, index);
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}
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bool helpEvent(QHelpEvent *event, QAbstractItemView *view, const QStyleOptionViewItem &option, const QModelIndex &index)
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{
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if ( event->type() == QEvent::ToolTip )
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{
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const QRect &itemRect = view->visualRect(index);
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const QSize &bestSize = sizeHint(option, index);
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if ( itemRect.width() < bestSize.width() )
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{
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const QString &value = index.data(Qt::DisplayRole).toString();
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QToolTip::showText(event->globalPos(), value, view);
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}
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else
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{
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QToolTip::hideText();
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}
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return true;
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}
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return QStyledItemDelegate::helpEvent(event, view, option, index);
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}
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private:
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wxWindow* m_parent;
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mutable wxTextCtrl* m_textCtrl;
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mutable QModelIndex m_currentModelIndex;
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};
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#endif // _WX_QT_PRIVATE_TREEITEM_DELEGATE_H
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