mirror of
https://gitee.com/vnotex/vnote.git
synced 2025-07-05 22:09:52 +08:00
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
#ifndef TREEWIDGET_H
|
|
#define TREEWIDGET_H
|
|
|
|
#include <QTreeWidget>
|
|
#include <QVariant>
|
|
|
|
namespace vnotex
|
|
{
|
|
class TreeWidget : public QTreeWidget
|
|
{
|
|
Q_OBJECT
|
|
public:
|
|
enum Flag
|
|
{
|
|
None = 0,
|
|
ClickSpaceToClearSelection = 0x1,
|
|
EnhancedStyle = 0x2
|
|
};
|
|
Q_DECLARE_FLAGS(Flags, Flag)
|
|
|
|
explicit TreeWidget(QWidget *p_parent = nullptr);
|
|
|
|
TreeWidget(TreeWidget::Flags p_flags, QWidget *p_parent = nullptr);
|
|
|
|
void mark(QTreeWidgetItem *p_item, int p_column);
|
|
|
|
void unmark(QTreeWidgetItem *p_item, int p_column);
|
|
|
|
static void setupSingleColumnHeaderlessTree(QTreeWidget *p_widget, bool p_contextMenu, bool p_extendedSelection);
|
|
|
|
static void showHorizontalScrollbar(QTreeWidget *p_tree);
|
|
|
|
static QTreeWidgetItem *findItem(const QTreeWidget *p_widget, const QVariant &p_data, int p_column = 0);
|
|
|
|
// Next visible item.
|
|
static QTreeWidgetItem *nextItem(const QTreeWidget* p_tree,
|
|
QTreeWidgetItem *p_item,
|
|
bool p_forward);
|
|
|
|
static QVector<QTreeWidgetItem *> getVisibleItems(const QTreeWidget *p_widget);
|
|
|
|
// @p_func: return false to abort the iteration.
|
|
static void forEachItem(const QTreeWidget *p_widget, const std::function<bool(QTreeWidgetItem *p_item)> &p_func);
|
|
|
|
static void expandRecursively(QTreeWidgetItem *p_item);
|
|
|
|
static void selectParentItem(QTreeWidget *p_widget);
|
|
|
|
static bool isExpanded(const QTreeWidget *p_widget);
|
|
|
|
signals:
|
|
// Emit when single item is selected and Drag&Drop to move internally.
|
|
void itemMoved(QTreeWidgetItem *p_item);
|
|
|
|
protected:
|
|
void mousePressEvent(QMouseEvent *p_event) Q_DECL_OVERRIDE;
|
|
|
|
void keyPressEvent(QKeyEvent *p_event) Q_DECL_OVERRIDE;
|
|
|
|
void dropEvent(QDropEvent *p_event) Q_DECL_OVERRIDE;
|
|
|
|
private:
|
|
static QTreeWidgetItem *findItemHelper(QTreeWidgetItem *p_item, const QVariant &p_data, int p_column);
|
|
|
|
static QTreeWidgetItem *nextSibling(const QTreeWidget *p_widget,
|
|
QTreeWidgetItem *p_item,
|
|
bool p_forward);
|
|
|
|
static QTreeWidgetItem *lastItemOfTree(QTreeWidgetItem *p_item);
|
|
|
|
// @p_func: return false to abort the iteration.
|
|
// Return false to abort the ieration.
|
|
static bool forEachItem(QTreeWidgetItem *p_item, const std::function<bool(QTreeWidgetItem *p_item)> &p_func);
|
|
|
|
Flags m_flags = Flag::None;
|
|
};
|
|
|
|
Q_DECLARE_OPERATORS_FOR_FLAGS(TreeWidget::Flags)
|
|
} // ns vnotex
|
|
|
|
#endif // TREEWIDGET_H
|