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/*
* osd.h: Abstract On Screen Display layer
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: osd.h 1.6 2000/04/30 09:47:52 kls Exp $
*/
#ifndef __OSD_H
#define __OSD_H
#include "config.h"
#include "interface.h"
#include "tools.h"
#define MAXOSDITEMS 9
enum eOSState { osUnknown,
osMenu,
osContinue,
osChannels,
osTimer,
osRecordings,
osReplay,
osBack,
osEnd,
};
class cOsdItem : public cListObject {
private:
const char *text;
int offset;
eOSState state;
protected:
bool fresh;
public:
cOsdItem(eOSState State = osUnknown);
cOsdItem(char *Text, eOSState State = osUnknown);
virtual ~cOsdItem();
void SetText(const char *Text, bool Copy = true);
const char *Text(void) { return text; }
void Display(int Offset = -1, bool Current = false);
virtual void Set(void) {}
virtual eOSState ProcessKey(eKeys Key);
};
class cOsdBase {
protected:
bool needsFastResponse;
public:
cOsdBase(bool FastResponse = false) { needsFastResponse = FastResponse; }
virtual ~cOsdBase() {}
virtual eOSState ProcessKey(eKeys Key) = 0;
bool NeedsFastResponse(void) { return needsFastResponse; }
};
class cOsdMenu : public cOsdBase, public cList<cOsdItem> {
private:
char *title;
int cols[cInterface::MaxCols];
int first, current, marked;
cOsdMenu *subMenu;
const char *helpRed, *helpGreen, *helpYellow, *helpBlue;
const char *status;
protected:
bool visible;
void RefreshCurrent(void);
void DisplayCurrent(bool Current);
void CursorUp(void);
void CursorDown(void);
void Mark(void);
eOSState AddSubMenu(cOsdMenu *SubMenu);
bool HasSubMenu(void) { return subMenu; }
void SetStatus(const char *s);
void SetHelp(const char *Red, const char *Green = NULL, const char *Yellow = NULL, const char *Blue = NULL);
virtual void Del(int Index);
public:
cOsdMenu(char *Title, int c0 = 0, int c1 = 0, int c2 = 0, int c3 = 0, int c4 = 0);
virtual ~cOsdMenu();
int Current(void) { return current; }
void Add(cOsdItem *Item, bool Current = false);
void Display(void);
virtual eOSState ProcessKey(eKeys Key);
};
#endif //__OSD_H
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