add selchanged signal to listbox

[enigma2.git] / lib / gui / elistbox.h

diff --git a/lib/gui/elistbox.h b/lib/gui/elistbox.h
index ac45a33207e153ce6bfa9f8b11c40c05cac3d5ef..87013bc1617fa6986e4a660cf81c189df74f68e8 100644 (file)
--- a/lib/gui/elistbox.h
+++ b/lib/gui/elistbox.h
@@ -4,9 +4,14 @@
 #include <lib/gui/ewidget.h>
 #include <connection.h>
 
+class eListbox;
+class eSlider;
+
 class iListboxContent: public iObject
 {
 public:
+       virtual ~iListboxContent()=0;
+       
                /* 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 
@@ -17,7 +22,10 @@ public:
                   to stay on the same data, however when the current
                   item is removed, this won't work. you'll be notified
                   anyway. */
-                 
+#ifndef SWIG   
+protected:
+       iListboxContent();
+       friend class eListbox;
        virtual void cursorHome()=0;
        virtual void cursorEnd()=0;
        virtual int cursorMove(int count=1)=0;
@@ -30,37 +38,85 @@ public:
        
        virtual int size()=0;
        
-       virtual RESULT connectItemChanged(const Slot0<void> &itemChanged, ePtr<eConnection> &connection)=0;
+       void setListbox(eListbox *lb);
        
        // void setOutputDevice ? (for allocating colors, ...) .. requires some work, though
        virtual void setSize(const eSize &size)=0;
        
                /* the following functions always refer to the selected item */
        virtual void paint(gPainter &painter, eWindowStyle &style, const ePoint &offset, int selected)=0;
+       
+       eListbox *m_listbox;
+#endif
 };
 
 class eListbox: public eWidget
 {
+       void updateScrollBar();
 public:
        eListbox(eWidget *parent);
+       ~eListbox();
+
+       PSignal0<void> selectionChanged;
+
+       enum {
+               showOnDemand,
+               showAlways,
+               showNever
+       };
+       void setScrollbarMode(int mode);
+
        void setContent(iListboxContent *content);
        
+/*     enum Movement {
+               moveUp,
+               moveDown,
+               moveTop,
+               moveEnd,
+               justCheck
+       }; */
+
+       int getCurrentIndex();
        void moveSelection(int how);
-       enum {
+       void moveSelectionTo(int index);
+
+       enum ListboxActions {
                moveUp,
                moveDown,
                moveTop,
-               moveEnd
+               moveEnd,
+               pageUp,
+               pageDown,
+               justCheck
        };
+       
+       void setItemHeight(int h);
+       void setSelectionEnable(int en);
+#ifndef SWIG
+               /* 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. */
+       void entryRemoved(int index);
+               /* entryChanged: the entry with the given index was changed and should be redrawn. */
+       void entryChanged(int index);
+               /* the complete list changed. you should not attemp to keep the current index. */
+       void entryReset(bool cursorHome=true);
+
 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;
+
        int m_top, m_selected;
        int m_itemheight;
        int m_items_per_page;
+       int m_selection_enabled;
        ePtr<iListboxContent> m_content;
+       eSlider *m_scrollbar;
+#endif
 };
 
-
 #endif