/* * ROlib.h * * Defines Classes, variables and OS interface calls for Acorn RISC OS computers. * (C) 1997 Andreas Dehmel * */ #ifndef RO_CUSTOM_LIB #define RO_CUSTOM_LIB #include #define TASKNAME "Frodo" #define TASK_WORD 0x4b534154 /* Scrap-file for 1541fs directory function */ #define RO_TEMPFILE ".FrodoDIR" /* Icon Flags */ #define IFlg_Text 1 #define IFlg_Sprite 2 #define IFlg_Border 4 #define IFlg_HCenter 8 #define IFlg_VCenter 16 #define IFlg_Filled 32 #define IFlg_AntiA 64 #define IFlg_AutoRdrw 128 #define IFlg_Indir 256 #define IFlg_RAdjust 512 #define IFlg_Slct (1<<21) #define IFlg_Grey (1<<22) /* Menu Flags */ #define MFlg_Tick 1 #define MFlg_Dotted 2 #define MFlg_Writable 4 #define MFlg_Warning 8 #define MFlg_LastItem 128 /* Joystick stuff */ #define JoyDir_Thresh 32 #define JoyButton1 (1<<16) #define JoyButton2 (1<<17) /* Size of WIMP data types */ #define RO_WINDOW_WORDS 23 #define RO_WINDOW_BYTES 92 #define RO_ICON_WORDS 8 #define RO_ICON_BYTES 32 #define RO_MHEAD_WORDS 7 #define RO_MHEAD_BYTES 28 #define RO_MITEM_WORDS 6 #define RO_MITEM_BYTES 24 /* Structures for directory scanning (mainly 1541fs) */ /* May hold entire pathname, so DON'T REDUCE!!! */ #define FILENAME_MAX_CHARS 256 /* must be >= NAMEBUF_LENGTH (256) */ typedef struct { unsigned int load, exec, length, attrib, otype; char name[FILENAME_MAX_CHARS]; } dir_full_info; typedef struct { int readno, offset, buffsize; char *match; } dir_env; /* WIMP structures: */ typedef struct { int *tit, *val; int len; } WIdatI; /* data type for window / icon data */ typedef union { char strg[12]; WIdatI ind; } WIdata; /* Window descriptor - 23 words = 92 bytes */ typedef struct { int Handle; int vminx,vminy,vmaxx,vmaxy; int scrollx,scrolly; int stackpos; unsigned int wflags; char col_tfg, col_tbg, col_wfg, col_wbg; /* title/work_area fore/background colour */ char col_sbo, col_sbi, col_tsl, reserved;/* scroll bar inner/outer, title if input focus */ int wminx, wminy, wmaxx, wmaxy; unsigned int tflags, waflags; int SpriteAreaPtr; short min_width, min_height; WIdata dat; int icon_no; } RO_Window; /* Icon descriptor */ typedef struct { int minx, miny, maxx, maxy; int iflags; WIdata dat; } RO_Icon; typedef struct { int WindowHandle; int minx, miny, maxx, maxy; int iflags; WIdata dat; } RO_IconDesc; typedef struct { char title[12]; char col_tfg, col_tbg, col_wfg, col_wbg; int width, height, vgap; } RO_MenuHead; typedef struct { unsigned int mflags; RO_MenuHead *submenu; unsigned int iflags; WIdata dat; } RO_MenuItem; /* Caret descriptor */ typedef struct { int WHandle; int IHandle; int offx, offy; int height, index; } RO_Caret; /* Joystick key descriptor */ typedef struct { unsigned char up, down, left, right, fire; } Joy_Keys; /* Declare classes that are needed in the following new classes */ class C64Display; class C64; /* Very simple class to read the resolution and eigen values */ class RORes { public: RORes(void); ~RORes(void); int resx,resy,eigx,eigy; }; /* Handle current screenmode */ class ROScreen { private: _kernel_oserror ModeError; public: ROScreen(void); ~ROScreen(void); int ReadMode(void); int resx, resy, ldbpp, eigx, eigy, ladd; char *scrbase; }; class Icon { private: RO_IconDesc icon; public: Icon(int IconHandle, const RO_IconDesc *IDesc); ~Icon(void); void setstate(unsigned int eor, unsigned int clear); void getstate(void); int IHandle; }; class Window { private: RO_Window *wind; bool isopen; public: Window(const int *WDesc, const char *Title); ~Window(void); int MyHandle(void); void GetWorkArea(int *Dest); void RedrawAWindow(int *Block, uint8 *Bitmap, C64Display *Disp); RO_Window *Descriptor(void); RO_Icon *GetIcon(unsigned int number); void SetIconState(unsigned int number, unsigned int eor, unsigned int clear); void GetIconState(unsigned int number, int *Block); void WriteIconText(unsigned int number, const char *text); void WriteIconTextU(unsigned int number, const char *text); // update instead of force redrw void WriteIconNumber(unsigned int number, int value); void WriteIconNumberU(unsigned int number, int value); char *ReadIconText(unsigned int number); int ReadIconNumber(unsigned int number); void ForceIconRedraw(unsigned int number); void UpdateIcon(unsigned int number); void WriteTitle(const char *title); char *ReadTitle(void); void UpdateTitle(void); bool HaveInput(void); bool OpenStatus(void); bool OpenStatus(int *Block); void open(void); void open(int *Block); void close(void); void forceredraw(int minx, int miny, int maxx, int maxy); void update(uint8 *Bitmap, C64Display *Disp); void update(int *Block, uint8 *Bitmap, C64Display *Disp); void redraw(int *Block, uint8 *Bitmap, C64Display *Disp); void extent(int minx, int miny, int maxx, int maxy); void getstate(void); void getstate(int *dest); // read window definition to external block }; class WIMP { private: _kernel_oserror WimpError; int Block[64], AuxBlock[64]; // two WIMP blocks for convenience int Mask; int DragType, CMOS_DragType; bool UseScrap; // Scrap file used (data transfer protocol!) bool EmuPaused; int UseNULL; // Number of clients that need NULL events int RAMsize, RAMtransfered, RAMpartner; // for RAM transfer int LastMenu, LastClick, LastDrag, MenuType, LastIcon, SaveType; int *SpriteArea; RO_Caret LastCaret; int EmuZoom; Joy_Keys NewJoyKeys[2]; C64 *the_c64; public: WIMP(C64 *my_c64); ~WIMP(void); // On startup bool LoadATemplate(char *Name, Window **Which); // To make window and pane work as a team void OpenEmuWindow(void); void OpenEmuWindow(int *Block); // open at pos void CloseEmuWindow(void); void UpdateEmuWindow(void); // update window and pane void ThePrefsToWindow(void); // write ThePrefs into the window void WindowToThePrefs(void); // update ThePrefs from window void SysConfToWindow(void); void WindowToSysConf(void); void PollSysConfWindow(void); // low-level koyboard scan void DragIconSprite(Window *host, unsigned int number); int CalculateVolume(int *Block); int CheckFilename(char *name); void SnapshotSaved(bool OK); void IssueSnapshotRequest(void); void SetLEDIcons(bool FloppyEmulation); void SetEmuWindowSize(void); void ToggleEmuWindowSize(void); int ReadEmuWindowSize(void); void NewDriveImage(int DrNum, int *MsgBlock, bool SetNow); void SetSpeedLimiter(bool LimitSpeed); // Standard WIMP functions void Poll(bool Paused); void Redraw(void); void OpenWindow(void); void CloseWindow(void); void MouseClick(void); void UserDrag(void); void KeyPressed(void); void MenuSelection(void); void UserMessage(void); void UserMessageAck(void); // WIMP's Windows and Icons Icon *IBicon; Window *EmuWindow, *EmuPane, *PrefsWindow, *ConfigWindow, *InfoWindow, *SoundWindow, *SaveBox; char SnapFile[256], RAMFile[256]; }; /* system-specific Variables */ extern RO_IconDesc IBarIcon; extern unsigned int TaskHandle; extern int WimpMessages[]; /* Functions available via ROlib (not RISC OS Lib, mind you) All SWIs are called in the X-Form! */ extern "C" { /* WIMP FUNCTIONS */ /* returns handle or 0 if error */ extern int Wimp_Initialise(int Version, int tw, const char *TaskName, const int *Messages); extern _kernel_oserror *Wimp_CloseDown(int Handle, int tw); /* returns handle or 0 if error */ extern int Wimp_CreateWindow(const int *Window); extern int Wimp_CreateIcon(int Priority, const RO_IconDesc *Icon); extern _kernel_oserror *Wimp_DeleteWindow(const int *Window); extern _kernel_oserror *Wimp_DeleteIcon(int *Block); extern _kernel_oserror *Wimp_OpenWindow(const int *Window); extern _kernel_oserror *Wimp_CloseWindow(const int *Window); extern int Wimp_Poll(unsigned int Mask, int *Block, int *PollWord); /* returns 0 if no more to do or error */ extern int Wimp_RedrawWindow(int *Block); extern int Wimp_UpdateWindow(int *Block); extern int Wimp_GetRectangle(int *Block); extern _kernel_oserror *Wimp_GetWindowState(int *Block); extern _kernel_oserror *Wimp_GetWindowInfo(int *Block); extern _kernel_oserror *Wimp_SetIconState(int *Block); extern _kernel_oserror *Wimp_GetIconState(int *Block); extern _kernel_oserror *Wimp_GetPointerInfo(int *Block); extern _kernel_oserror *Wimp_DragBox(int *Block); extern _kernel_oserror *Wimp_ForceRedraw(int Handle, int minx, int miny, int maxx, int maxy); extern _kernel_oserror *Wimp_SetCaretPosition(int WHandle, int IHandle, int xoff, int yoff, int height, int index); extern _kernel_oserror *Wimp_GetCaretPosition(RO_Caret *Caret); extern _kernel_oserror *Wimp_CreateMenu(const int *Menu, int cx, int cy); extern _kernel_oserror *Wimp_SetExtent(int Handle, int *Block); extern _kernel_oserror *Wimp_OpenTemplate(char *Name); extern _kernel_oserror *Wimp_CloseTemplate(void); extern _kernel_oserror *Wimp_LoadTemplate(char **Template, char **Indirect, char *IndirLimit, char *Fonts, char *Name, int *Position); extern _kernel_oserror *Wimp_ProcessKey(int Key); extern int Wimp_StartTask(char *command); extern _kernel_oserror *Wimp_ReportError(const _kernel_oserror *Error, unsigned int Flags, const char *AppName); extern _kernel_oserror *Wimp_GetWindowOutline(int *Block); extern int Wimp_PollIdle(unsigned int Mask, int *Block, int MinTime, int *PollWord); extern _kernel_oserror *Wimp_PlotIcon(int *Block); extern _kernel_oserror *Wimp_SendMessage(int Event, int *Block, int THandle, int IHandle); extern _kernel_oserror *Wimp_CreateSubMenu(int *MenuBlock, int cx, int xy); extern _kernel_oserror *Wimp_SpriteOp(int, int, int, int, int, int, int, int); extern _kernel_oserror *Wimp_BaseOfSprites(int *ROM, int *RAM); extern _kernel_oserror *Wimp_CommandWindow(int Action); extern _kernel_oserror *Wimp_TransferBlock(int SHandle, char *SBuff, int DHandle, char *DBuff, int BuffSize); extern _kernel_oserror *Wimp_SpriteInfo(char *name, int *width, int *height, int *mode); extern _kernel_oserror *DragASprite_Start(unsigned int Flags, int SpriteArea, char *SpriteName, int *Box, int *BBox); extern _kernel_oserror *DragASprite_Stop(void); extern _kernel_oserror *ColourTrans_SelectTable(int SMode, int SPal, int DMode, int DPal, char **Buffer, unsigned int Flags, int *TransWork, int *TransFunc); extern _kernel_oserror *ColourTrans_SetFontColours(int Handle, int BPal, int FPal, int Offset); extern _kernel_oserror *ColourTrans_SetColour(int GCOL, unsigned int Flags, int Action); extern _kernel_oserror *ColourTrans_SetGCOL(int Palette, unsigned int Flags, int Action); /* OS FUNCTIONS */ extern int OS_ReadModeVariable(int mode, int var); extern int OS_ReadDynamicArea(int area); extern int ScanKeys(int keys); extern int ReadKeyboardStatus(void); extern int ReadDragType(void); extern int SetMousePointer(int NewShape); /* Generic sprite op call */ extern _kernel_oserror *OS_SpriteOp(int, int, int, int, int, int, int, int); extern _kernel_oserror *OS_Plot(int Command, int x, int y); extern _kernel_oserror *MouseBoundingBox(char Box[8]); extern int OS_ReadMonotonicTime(void); extern _kernel_oserror *OS_ReadC(char *Code); /* returns length of characters read; if length negative ==> terminated by escape */ extern int OS_ReadLine(char *Buffer, int BuffSize, int minasc, int maxasc, int Echo); /* TRUE ==> escape */ extern bool OS_ReadEscapeState(void); /* File related calls */ /* Returns object type */ extern int ReadCatalogueInfo(char *Name, int Result[4]); /* Read the next name in the directory */ extern _kernel_oserror *ReadDirName(const char *dirname, char *buffer, dir_env *env); /* Read the next entry (name, length, type,...) in the directory */ extern _kernel_oserror *ReadDirNameInfo(const char *dirname,dir_full_info *buffer,dir_env *env); extern _kernel_oserror *DeleteFile(char *name); extern _kernel_oserror *OS_FlushBuffer(int BuffNum); /* These functions are more secure than using sprintf because they allow buffersize */ /* Return value is a pointer to the terminating null */ extern char *ConvertInteger1(int value, char *buffer, int buffsize); extern char *ConvertInteger2(int value, char *buffer, int buffsize); extern char *ConvertInteger3(int value, char *buffer, int buffsize); extern char *ConvertInteger4(int value, char *buffer, int buffsize); /* Misc */ extern unsigned int ModeColourNumber(unsigned int pal_entry); /* Returns -1 if error in joystick module, -2 if SWI unknown, joystate otherwise */ extern int Joystick_Read(int joyno); /* Sound stuff */ #define DRState_Active 1 #define DRState_NeedData 2 #define DRState_Overflow 4 /* Sound calls */ extern int Sound_Volume(int volume); /* Digital Renderer SWI calls */ extern _kernel_oserror *DigitalRenderer_Activate(int Channels, int Length, int SamPeriod); extern _kernel_oserror *DigitalRenderer_Deactivate(void); extern _kernel_oserror *DigitalRenderer_Pause(void); extern _kernel_oserror *DigitalRenderer_Resume(void); extern _kernel_oserror *DigitalRenderer_GetTables(uint8 **LinToLog, uint8 **LogScale); extern int DigitalRenderer_ReadState(void); extern _kernel_oserror *DigitalRenderer_NewSample(uint8 *Sample); } #endif