/* * Widget.h * * Definitions for the Widget library */ #ifndef _widget_h #define _widget_h #include "lib/framework/frame.h" #include "widgbase.h" /*********************************************************************************** * * Widget style definitions - these control how the basic widget appears on screen */ #define WIDG_HIDDEN 0x8000 // The widget is initially hidden /************ Form styles ****************/ /* Plain form */ #define WFORM_PLAIN 0 /* Tabbed form */ #define WFORM_TABBED 1 /* Invisible (i.e. see through) form - * can be used in conjunction with WFORM_PLAIN or WFORM_TABBED. */ #define WFORM_INVISIBLE 2 /* Clickable form - return form id when the form is clicked */ #define WFORM_CLICKABLE 4 /* Disable movement on a clickable form. */ #define WFORM_NOCLICKMOVE 8 /* Control whether the primary or secondary buttons work on a clickable form */ #define WFORM_NOPRIMARY 0x10 // Primary works by default - this turns it off #define WFORM_SECONDARY 0x20 /************ Label styles ***************/ #define WLAB_PLAIN 0 // Plain text only label #define WLAB_ALIGNLEFT 1 // Align the text at the left of the box #define WLAB_ALIGNCENTRE 2 // Center the text #define WLAB_ALIGNRIGHT 4 // Align the text at the right of the box /************ Button styles **************/ #define WBUT_PLAIN 0 // Plain button (text with a box around it) /* Disable movement on a button */ #define WBUT_NOCLICKMOVE 8 /* Control whether the primary or secondary buttons work on a button */ #define WBUT_NOPRIMARY 0x10 // Primary works by default - this turns it off #define WBUT_SECONDARY 0x20 #define WBUT_TXTCENTRE 64 // text only buttons. centre the text? /*********** Edit Box styles *************/ #define WEDB_PLAIN 0 // Plain edit box (text with a box around it) #define WEDB_DISABLED 1 // Disabled. Displayed but never gets focus. /*********** Bar Graph styles ************/ #define WBAR_PLAIN 0 // Plain bar graph #define WBAR_TROUGH 1 // Bar graph with a trough showing empty percentage #define WBAR_DOUBLE 2 // Double bar graph, one on top of other /*********** Slider styles ***************/ #define WSLD_PLAIN 0 // Plain slider /***********************************************************************************/ /* Generic widget colour */ typedef struct _w_colourdef { UBYTE red; UBYTE green; UBYTE blue; UBYTE alpha; } W_COLOURDEF; /* Basic initialisation entries common to all widgets */ #define WINIT_BASE \ UDWORD formID; /* ID number of form to put widget on */ \ /* ID == 0 specifies the default form for the screen */ \ UWORD majorID,minorID; /* Which major and minor tab to put the widget */ \ /* on for a tabbed form */ \ UDWORD id; /* Unique id number (chosen by user) */ \ UDWORD style; /* widget style */ \ SWORD x,y; /* screen location */ \ UWORD width,height; /* widget size */\ WIDGET_DISPLAY pDisplay; /* Optional display function */\ WIDGET_CALLBACK pCallback; /* Optional callback function */\ void *pUserData; /* Optional user data pointer */\ UDWORD UserData /* User data (if any) */ /* The basic initialisation structure */ typedef struct _w_init { WINIT_BASE; } W_INIT; /* Flags for controlling where the tabs appear on a form - * used in the majorPos and minorPos entries of the W_FORMINIT struct */ #define WFORM_TABNONE 0 // No tab #define WFORM_TABTOP 1 #define WFORM_TABLEFT 2 #define WFORM_TABRIGHT 3 #define WFORM_TABBOTTOM 4 /* Upper limits for major and minor tabs on a tab form. * Not the best way to do it I know, but it keeps the memory * management MUCH simpler. */ #define WFORM_MAXMAJOR 9 //15 // Maximum number of major tabs on a tab form #define WFORM_MAXMINOR 5 //15 // Maximum number of minor tabs off a major #define TAB_MINOR 0 // Tab types passed into tab display callbacks. #define TAB_MAJOR 1 typedef void (*TAB_DISPLAY)(struct _widget *psWidget,UDWORD TabType,UDWORD Position,UDWORD Number,BOOL Selected,BOOL Hilight,UDWORD x,UDWORD y,UDWORD Width,UDWORD Height); typedef void (*FONT_DISPLAY)(UDWORD x,UDWORD y,STRING *String); /* Form initialisation structure */ typedef struct _w_forminit { /* The basic init entries */ WINIT_BASE; /* Data for a tabbed form */ BOOL disableChildren; \ UWORD majorPos, minorPos; // Position of the tabs on the form UWORD majorSize, minorSize; // Size of the tabs (in pixels) SWORD majorOffset, minorOffset; // Tab start offset. SWORD tabVertOffset; // Tab form overlap offset. SWORD tabHorzOffset; // Tab form overlap offset. UWORD tabMajorThickness; // The thickness of the tabs UWORD tabMinorThickness; // The thickness of the tabs UWORD tabMajorGap; // The space between tabs UWORD tabMinorGap; // The space between tabs UWORD numMajor; // Number of major tabs UWORD aNumMinors[WFORM_MAXMAJOR]; // Number of minor tabs for each major STRING *pTip; // Tool tip for the form itself STRING *apMajorTips[WFORM_MAXMAJOR]; // Tool tips for the major tabs STRING *apMinorTips[WFORM_MAXMAJOR][WFORM_MAXMINOR]; // Tool tips for the minor tabs TAB_DISPLAY pTabDisplay; // Optional callback for displaying a tab. WIDGET_DISPLAY pFormDisplay; // Optional callback to display the form. } W_FORMINIT; /* Label initialisation structure */ typedef struct _w_labinit { /* The basic init entries */ WINIT_BASE; STRING *pText; // label text STRING *pTip; // Tool tip for the label. // PROP_FONT *psFont; // label font int FontID; // ID of the IVIS font to use for this widget. } W_LABINIT; /* Button initialisation structure */ typedef struct _w_butinit { /* The basic init entries */ WINIT_BASE; STRING *pText; // button text STRING *pTip; // Tool tip text // PROP_FONT *psFont; // button font int FontID; // ID of the IVIS font to use for this widget. } W_BUTINIT; /* Edit box initialisation structure */ typedef struct _w_edbinit { /* The basic init entries */ WINIT_BASE; STRING *pText; // initial contents of the edit box // PROP_FONT *psFont; // edit box font int FontID; // ID of the IVIS font to use for this widget. WIDGET_DISPLAY pBoxDisplay; // Optional callback to display the form. FONT_DISPLAY pFontDisplay; // Optional callback to display a string. } W_EDBINIT; /* Orientation flags for the bar graph */ #define WBAR_LEFT 0x0001 // Bar graph fills from left to right #define WBAR_RIGHT 0x0002 // Bar graph fills from right to left #define WBAR_TOP 0x0003 // Bar graph fills from top to bottom #define WBAR_BOTTOM 0x0004 // Bar graph fills from bottom to top /* Bar Graph initialisation structure */ typedef struct _w_barinit { /* The basic init entries */ WINIT_BASE; UWORD orientation; // Orientation of the bar on the widget UWORD size; // Initial percentage of the graph that is filled UWORD minorSize; // Percentage of second bar graph if there is one UWORD iRange; // Maximum range W_COLOURDEF sCol; // Bar colour W_COLOURDEF sMinorCol; // Minor bar colour STRING *pTip; // Tool tip text } W_BARINIT; /* Orientation of the slider */ #define WSLD_LEFT 0x0001 // Slider is horizontal and starts at left #define WSLD_RIGHT 0x0002 // Slider is horizontal and starts at the right #define WSLD_TOP 0x0003 // Slider is vertical and starts at the top #define WSLD_BOTTOM 0x0004 // Slider is vertical and starts at the bottom /* Slider initialisation structure */ typedef struct _w_sldinit { /* The basic init entries */ WINIT_BASE; UWORD orientation; // Orientation of the slider UWORD numStops; // Number of stops on the slider UWORD barSize; // Size of the bar UWORD pos; // Initial position of the slider bar STRING *pTip; // Tip string } W_SLDINIT; /***********************************************************************************/ /* The maximum lenth of strings for the widget system */ #define WIDG_MAXSTR 80 /* The maximum value for bar graph size */ #define WBAR_SCALE 100 /* Structure to specify the heap sizes for the widget library */ typedef struct _w_heapinit { UDWORD barInit, barExt; // bar graph heap UDWORD butInit, butExt; // button heap UDWORD edbInit, edbExt; // edit box heap UDWORD formInit, formExt; // form heap UDWORD cFormInit, cFormExt; // clicable form heap UDWORD tFormInit, tFormExt; // tab form heap UDWORD labInit, labExt; // label heap UDWORD sldInit, sldExt; // slider heap } W_HEAPINIT; /* Initialise the widget module */ extern BOOL widgInitialise(W_HEAPINIT *psInit); /* Reset the widget module */ extern void widgReset(void); /* Shut down the widget module */ extern void widgShutDown(void); /* Create an empty widget screen */ extern BOOL widgCreateScreen(W_SCREEN **ppsScreen); /* Release a screen and all its associated data */ extern void widgReleaseScreen(W_SCREEN *psScreen); /* Set the tool tip font for a screen */ extern void widgSetTipFont(W_SCREEN *psScreen, int FontID); /* Add a form to the widget screen */ extern BOOL widgAddForm(W_SCREEN *psScreen, W_FORMINIT *psInit); /* Add a label to the widget screen */ extern BOOL widgAddLabel(W_SCREEN *psScreen, W_LABINIT *psInit); /* Add a button to a form */ extern BOOL widgAddButton(W_SCREEN *psScreen, W_BUTINIT *psInit); /* Add an edit box to a form */ extern BOOL widgAddEditBox(W_SCREEN *psScreen, W_EDBINIT *psInit); /* Add a bar graph to a form */ extern BOOL widgAddBarGraph(W_SCREEN *psScreen, W_BARINIT *psInit); /* Add a slider to a form */ extern BOOL widgAddSlider(W_SCREEN *psScreen, W_SLDINIT *psInit); /* Delete a widget from the screen */ extern void widgDelete(W_SCREEN *psScreen, UDWORD id); /* Hide a widget */ extern void widgHide(W_SCREEN *psScreen, UDWORD id); /* Reveal a widget */ extern void widgReveal(W_SCREEN *psScreen, UDWORD id); /* Return a pointer to a buffer containing the current string of a widget if any. * This will always return a valid string pointer. * NOTE: The string must be copied out of the buffer */ extern STRING *widgGetString(W_SCREEN *psScreen, UDWORD id); /* Set the text in a widget */ extern void widgSetString(W_SCREEN *psScreen, UDWORD id, STRING *pText); /* Set the current tabs for a tab form */ extern void widgSetTabs(W_SCREEN *psScreen, UDWORD id, UWORD major, UWORD minor); /* Get the current tabs for a tab form */ extern void widgGetTabs(W_SCREEN *psScreen, UDWORD id, UWORD *pMajor, UWORD *pMinor); /* Get the current position of a widget */ extern void widgGetPos(W_SCREEN *psScreen, UDWORD id, SWORD *pX, SWORD *pY); /* Get the current position of a slider bar */ extern UDWORD widgGetSliderPos(W_SCREEN *psScreen, UDWORD id); /* Set the current position of a slider bar */ extern void widgSetSliderPos(W_SCREEN *psScreen, UDWORD id, UWORD pos); /* Set the current size of a bar graph */ extern void widgSetBarSize(W_SCREEN *psScreen, UDWORD id, UDWORD size); /* Set the current size of a minor bar on a double graph */ extern void widgSetMinorBarSize(W_SCREEN *psScreen, UDWORD id, UDWORD size); /* Return the ID of the widget the mouse was over this frame */ extern UDWORD widgGetMouseOver(W_SCREEN *psScreen); /* Return the user data for a widget */ extern void *widgGetUserData(W_SCREEN *psScreen, UDWORD id); /* Set the user data for a widget */ extern void widgSetUserData(W_SCREEN *psScreen, UDWORD id,void *UserData); /* Return the user data for a widget */ UDWORD widgGetUserData2(W_SCREEN *psScreen, UDWORD id); /* Set the user data for a widget */ void widgSetUserData2(W_SCREEN *psScreen, UDWORD id,UDWORD UserData); /* Return the user data for the returned widget */ extern void *widgGetLastUserData(W_SCREEN *psScreen); /* Get widget structure */ extern WIDGET *widgGetFromID(W_SCREEN *psScreen, UDWORD id); /* Set tip string for a widget */ extern void widgSetTip( W_SCREEN *psScreen, UDWORD id, STRING *pTip ); /* Colour numbers */ enum _w_colour { WCOL_BKGRND, // Background colours WCOL_TEXT, // Text colour WCOL_LIGHT, // Light colour for 3D effects WCOL_DARK, // Dark colour for 3D effects WCOL_HILITE, // Hilite colour WCOL_CURSOR, // Edit Box cursor colour WCOL_TIPBKGRND, // Background for the tool tip window WCOL_DISABLE, // Text colour on a disabled button WCOL_MAX, // all colour numbers are less than this }; /* Set a colour on a form */ extern void widgSetColour(W_SCREEN *psScreen, UDWORD id, UDWORD colour, UBYTE red, UBYTE green, UBYTE blue); // Set the global toop tip text colour. extern void widgSetTipColour(W_SCREEN *psScreen, UBYTE red, UBYTE green, UBYTE blue); /* Possible states for a button */ #define WBUT_DISABLE 0x0001 // Disable (grey out) a button #define WBUT_LOCK 0x0002 // Fix a button down #define WBUT_CLICKLOCK 0x0004 // Fix a button down but it is still clickable #define WBUT_FLASH 0x0008 // Make a button flash. extern void widgSetButtonFlash(W_SCREEN *psScreen, UDWORD id); extern void widgClearButtonFlash(W_SCREEN *psScreen, UDWORD id); /* Get a button or clickable form's state */ extern UDWORD widgGetButtonState(W_SCREEN *psScreen, UDWORD id); /* Set a button or clickable form's state */ extern void widgSetButtonState(W_SCREEN *psScreen, UDWORD id, UDWORD state); /* The keys that can be used to press a button */ #define WKEY_NONE 0 #define WKEY_PRIMARY 1 #define WKEY_SECONDARY 2 /* Return which key was used to press the last returned widget */ extern UDWORD widgGetButtonKey(W_SCREEN *psScreen); /* Initialise the set of widgets that make up a screen. * Call this once before calling widgRunScreen and widgDisplayScreen. * This should only be called once before calling Run and Display as many times * as is required. */ extern void widgStartScreen(W_SCREEN *psScreen); /* Clean up after a screen has been run. * Call this after the widgRunScreen / widgDisplayScreen cycle. */ extern void widgEndScreen(W_SCREEN *psScreen); /* Execute a set of widgets for one cycle. * Return the id of the widget that was activated, or 0 for none. */ extern UDWORD widgRunScreen(W_SCREEN *psScreen); /* Display the screen's widgets in their current state * (Call after calling widgRunScreen, this allows the input * processing to be seperated from the display of the widgets). */ extern void widgDisplayScreen(W_SCREEN *psScreen); // Set the current audio callback function and audio id's. extern void WidgSetAudio(WIDGET_AUDIOCALLBACK Callback,SWORD HilightID,SWORD ClickedID); // Get pointer to current audio callback function. extern WIDGET_AUDIOCALLBACK WidgGetAudioCallback(void); // Get current audio ID for hilight. extern SWORD WidgGetHilightAudioID(void); // Get current audio ID for clicked. extern SWORD WidgGetClickedAudioID(void); void sliderEnableDrag(BOOL Enable); void setWidgetsStatus( BOOL var ); BOOL getWidgetsStatus( void ); #endif