tabwidget.h

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#pragma once
 
#include <promeki/namespace.h>
#include <promeki/string.h>
#include <promeki/list.h>
#include <promeki/tui/widget.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class TuiTabWidget : public TuiWidget {
                PROMEKI_OBJECT(TuiTabWidget, TuiWidget)
        public:
                TuiTabWidget(ObjectBase *parent = nullptr);
                ~TuiTabWidget() override;
 
                void addTab(TuiWidget *widget, const String &title);
                void removeTab(int index);
 
                int  currentIndex() const { return _currentIndex; }
                void setCurrentIndex(int index);
 
                TuiWidget *currentWidget() const;
                int        count() const { return static_cast<int>(_tabs.size()); }
 
                Size2Di32 sizeHint() const override;
 
                PROMEKI_SIGNAL(currentChanged, int)
 
        protected:
                void paintEvent(PaintEvent *e) override;
                void keyPressEvent(KeyEvent *e) override;
                void mouseEvent(MouseEvent *e) override;
                void resizeEvent(ResizeEvent *e) override;
                void focusInEvent(Event *e) override;
                void focusOutEvent(Event *e) override;
 
        private:
                struct Tab {
                                TuiWidget *widget;
                                String     title;
                };
                struct TabPos {
                                int startX;
                                int endX;
                };
                List<Tab>    _tabs;
                List<TabPos> _tabPositions;
                int          _currentIndex = -1;
 
                void updateTabGeometry();
};
 
PROMEKI_NAMESPACE_END