/* indices go from 0 to size().
the end is reached when the cursor is on size(),
i.e. one after the last entry (this mimics
- stl behaviour)
+ stl behavior)
cursors never invalidate - they can become invalid
when stuff is removed. Cursors will always try
protected:
iListboxContent();
friend class eListbox;
+ virtual void updateClip(gRegion &){ };
virtual void cursorHome()=0;
virtual void cursorEnd()=0;
virtual int cursorMove(int count=1)=0;
virtual int size()=0;
+ virtual int currentCursorSelectable();
+
void setListbox(eListbox *lb);
// void setOutputDevice ? (for allocating colors, ...) .. requires some work, though
/* the following functions always refer to the selected item */
virtual void paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)=0;
+ virtual int getItemHeight()=0;
+
eListbox *m_listbox;
#endif
};
+#ifndef SWIG
+struct eListboxStyle
+{
+ ePtr<gPixmap> m_background, m_selection;
+ int m_transparent_background;
+ gRGB m_background_color, m_background_color_selected, m_foreground_color, m_foreground_color_selected;
+ int m_background_color_set, m_foreground_color_set, m_background_color_selected_set, m_foreground_color_selected_set;
+
+ /*
+ {m_transparent_background m_background_color_set m_background}
+ {0 0 0} use global background color
+ {0 1 x} use background color
+ {0 0 p} use background picture
+ {1 x 0} use transparent background
+ {1 x p} use transparent background picture
+ */
+};
+#endif
+
class eListbox: public eWidget
{
void updateScrollBar();
eListbox(eWidget *parent);
~eListbox();
+ PSignal0<void> selectionChanged;
+
enum {
showOnDemand,
showAlways,
showNever
};
void setScrollbarMode(int mode);
+ void setWrapAround(bool);
void setContent(iListboxContent *content);
-
+
/* enum Movement {
moveUp,
moveDown,
}; */
int getCurrentIndex();
- void moveSelection(int how);
+ void moveSelection(long how);
void moveSelectionTo(int index);
+ void moveToEnd();
+ bool atBegin();
+ bool atEnd();
enum ListboxActions {
moveUp,
pageDown,
justCheck
};
-
+
void setItemHeight(int h);
void setSelectionEnable(int en);
+ void setBackgroundColor(gRGB &col);
+ void setBackgroundColorSelected(gRGB &col);
+ void setForegroundColor(gRGB &col);
+ void setForegroundColorSelected(gRGB &col);
+ void setBackgroundPicture(ePtr<gPixmap> &pixmap);
+ void setSelectionPicture(ePtr<gPixmap> &pixmap);
+
#ifndef SWIG
+ struct eListboxStyle *getLocalStyle(void);
+
/* entryAdded: an entry was added *before* the given index. it's index is the given number. */
void entryAdded(int index);
/* entryRemoved: an entry with the given index was removed. */
/* the complete list changed. you should not attemp to keep the current index. */
void entryReset(bool cursorHome=true);
+ int getEntryTop();
+ void invalidate(const gRegion ®ion = gRegion::invalidRegion());
protected:
int event(int event, void *data=0, void *data2=0);
void recalcSize();
private:
int m_scrollbar_mode, m_prev_scrollbar_page;
bool m_content_changed;
+ bool m_enabled_wrap_around;
int m_top, m_selected;
int m_itemheight;
int m_selection_enabled;
ePtr<iListboxContent> m_content;
eSlider *m_scrollbar;
+ eListboxStyle m_style;
#endif
};