diff options
Diffstat (limited to 'render.h')
| -rw-r--r-- | render.h | 17 |
1 files changed, 13 insertions, 4 deletions
@@ -7,6 +7,7 @@ #include "common.h" #include "scroller.h" +#include "setup.h" #include "xml/skin.h" #include "xml/type.h" #include <vdr/osd.h> @@ -47,6 +48,7 @@ private: std::string mBasePath; bool mDirty; + uint mMaxItems; cSkin *mFallback; // update thread @@ -115,6 +117,7 @@ protected: virtual bool HasTabText(int Index, int n) { return false; } virtual void SetEditableWidth(int Width) {} virtual void SetMaxItems(int MaxItems) {} + inline int GetmMaxItems(void) { return mMaxItems; } // functions for display renderer to control behaviour void Flush(bool Force = false); @@ -138,12 +141,18 @@ public: // provide scrollbar in every menu struct tMenuScrollbar { - int current; - int total; + uint current; // overall (0 ... toal-1) + uint currentOnScreen; // on the current screen (0 ... maxItems-1) + uint total; + uint maxItems; // viewable on current screen std::vector<std::string> items; - tMenuScrollbar(void) : current(0), total(0) {} - //bool available(void) { printf("%d / %d\n", total, GetMaxItems(); return total > GetMaxItems(); } + tMenuScrollbar(void) : current(0), currentOnScreen(0), total(0), maxItems(0) {} + bool Available(void) { return Text2SkinSetup.MenuScrollbar ? total > maxItems : false; } + uint Top(void) { return current - currentOnScreen; } + uint Bottom(void) { return total - Top() - maxItems; } + bool CanScrollUp(void) { return Text2SkinSetup.MenuScrollbar ? Top() > 0 : false; } + bool CanScrollDown(void) { return Text2SkinSetup.MenuScrollbar ? Bottom() > 0 : false; } } mMenuScrollbar; // update infos (e.g. timerConflict) |