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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 1.39 2003/04/21 10:27:41 kls Exp $
*/
#ifndef __OSD_H
#define __OSD_H
#if defined(DEBUG_OSD)
#include <ncurses.h>
#endif
#include "config.h"
#include "osdbase.h"
#include "interface.h"
#include "osdbase.h"
#include "tools.h"
#define MAXOSDITEMS (Setup.OSDheight - 4)
enum eOSState { osUnknown,
osContinue,
osSchedule,
osChannels,
osTimers,
osRecordings,
osPlugin,
osSetup,
osCommands,
osPause,
osRecord,
osReplay,
osStopRecord,
osStopReplay,
osCancelEdit,
osSwitchDvb,
osBack,
osEnd,
os_User, // the following values can be used locally
osUser1,
osUser2,
osUser3,
osUser4,
osUser5,
osUser6,
osUser7,
osUser8,
osUser9,
osUser10,
};
class cOsd {
private:
enum { charWidth = 12, // average character width
lineHeight = 27 // smallest text height
};
#ifdef DEBUG_OSD
static WINDOW *window;
enum { MaxColorPairs = 16 };
static int colorPairs[MaxColorPairs];
static void SetColor(eDvbColor colorFg, eDvbColor colorBg = clrBackground);
#else
static cOsdBase *osd;
#endif
static int cols, rows;
public:
static void Initialize(void);
static void Shutdown(void);
static cOsdBase *OpenRaw(int x, int y);
// Returns a raw OSD without any predefined windows or colors.
// If the "normal" OSD is currently in use, NULL will be returned.
// The caller must delete this object before the "normal" OSD is used again!
static void Open(int w, int h);
static void Close(void);
static void Clear(void);
static void Fill(int x, int y, int w, int h, eDvbColor color = clrBackground);
static void SetBitmap(int x, int y, const cBitmap &Bitmap);
static void ClrEol(int x, int y, eDvbColor color = clrBackground);
static int CellWidth(void);
static int LineHeight(void);
static int Width(unsigned char c);
static int WidthInCells(const char *s);
static eDvbFont SetFont(eDvbFont Font);
static void Text(int x, int y, const char *s, eDvbColor colorFg = clrWhite, eDvbColor colorBg = clrBackground);
static void Flush(void);
};
class cOsdItem : public cListObject {
private:
char *text;
int offset;
eOSState state;
protected:
bool fresh;
bool userColor;
eDvbColor fgColor, bgColor;
public:
cOsdItem(eOSState State = osUnknown);
cOsdItem(const char *Text, eOSState State = osUnknown);
virtual ~cOsdItem();
bool HasUserColor(void) { return userColor; }
void SetText(const char *Text, bool Copy = true);
void SetColor(eDvbColor FgColor, eDvbColor BgColor = clrBackground);
const char *Text(void) { return text; }
virtual void Display(int Offset = -1, eDvbColor FgColor = clrWhite, eDvbColor BgColor = clrBackground);
virtual void Set(void) {}
virtual eOSState ProcessKey(eKeys Key);
};
class cOsdObject {
friend class cOsdMenu;
private:
bool isMenu;
protected:
bool needsFastResponse;
public:
cOsdObject(bool FastResponse = false) { isMenu = false; needsFastResponse = FastResponse; }
virtual ~cOsdObject() {}
int Width(void) { return Interface->Width(); }
int Height(void) { return Interface->Height(); }
bool NeedsFastResponse(void) { return needsFastResponse; }
bool IsMenu(void) { return isMenu; }
virtual void Show(void) {}
virtual eOSState ProcessKey(eKeys Key) { return osUnknown; }
};
class cOsdMenu : public cOsdObject, public cList<cOsdItem> {
private:
char *title;
int cols[cInterface::MaxCols];
int first, current, marked;
cOsdMenu *subMenu;
const char *helpRed, *helpGreen, *helpYellow, *helpBlue;
char *status;
int digit;
bool hasHotkeys;
protected:
bool visible;
const char *hk(const char *s);
void SetHasHotkeys(void);
virtual void Clear(void);
bool SpecialItem(int idx);
void SetCurrent(cOsdItem *Item);
void RefreshCurrent(void);
void DisplayCurrent(bool Current);
void CursorUp(void);
void CursorDown(void);
void PageUp(void);
void PageDown(void);
void Mark(void);
eOSState HotKey(eKeys Key);
eOSState AddSubMenu(cOsdMenu *SubMenu);
eOSState CloseSubMenu();
bool HasSubMenu(void) { return subMenu; }
void SetStatus(const char *s);
void SetTitle(const char *Title, bool ShowDate = true);
void SetHelp(const char *Red, const char *Green = NULL, const char *Yellow = NULL, const char *Blue = NULL);
virtual void Del(int Index);
public:
cOsdMenu(const 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, cOsdItem *After = NULL);
void Ins(cOsdItem *Item, bool Current = false, cOsdItem *Before = NULL);
void Display(void);
virtual eOSState ProcessKey(eKeys Key);
};
#endif //__OSD_H
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