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Initial commit. Basics work. Next: Drag and Drop

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Jan Dalheimer
2013-12-24 11:47:30 +01:00
commit ccbf341dc8
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CategorizedView.h Normal file
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#ifndef WIDGET_H
#define WIDGET_H
#include <QListView>
#include <QLineEdit>
class CategorizedView : public QListView
{
Q_OBJECT
public:
CategorizedView(QWidget *parent = 0);
~CategorizedView();
enum
{
CategoryRole = Qt::UserRole
};
virtual QRect visualRect(const QModelIndex &index) const;
protected slots:
void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles);
virtual void rowsInserted(const QModelIndex &parent, int start, int end);
virtual void rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
virtual void updateGeometries();
protected:
virtual bool isIndexHidden(const QModelIndex &index) const;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void mouseDoubleClickEvent(QMouseEvent *event) override;
void paintEvent(QPaintEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
void dragEnterEvent(QDragEnterEvent *event) override;
void dragMoveEvent(QDragMoveEvent *event) override;
void dragLeaveEvent(QDragLeaveEvent *event) override;
void dropEvent(QDropEvent *event) override;
private:
struct Category
{
Category(const QString &text, CategorizedView *view);
Category(const Category *other);
CategorizedView *view;
QString text;
bool collapsed;
QRect iconRect;
QRect textRect;
void drawHeader(QPainter *painter, const int y);
int totalHeight() const;
int headerHeight() const;
int contentHeight() const;
QSize categoryTotalSize() const;
};
friend struct Category;
QList<Category *> m_categories;
int m_leftMargin;
int m_rightMargin;
int m_categoryMargin;
int m_itemSpacing;
//bool m_updatesDisabled;
Category *category(const QModelIndex &index) const;
Category *category(const QString &cat) const;
int numItemsForCategory(const Category *category) const;
QList<QModelIndex> itemsForCategory(const Category *category) const;
int categoryTop(const Category *category) const;
int itemsPerRow() const;
int contentWidth() const;
static bool lessThanCategoryPointer(const Category *c1, const Category *c2);
QList<Category *> sortedCategories() const;
private:
mutable QSize m_cachedItemSize;
QSize itemSize(const QStyleOptionViewItem &option) const;
QSize itemSize() const { return itemSize(viewOptions()); }
/*QLineEdit *m_categoryEditor;
Category *m_editedCategory;
void startCategoryEditor(Category *category);
private slots:
void endCategoryEditor();*/
};
#endif // WIDGET_H