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warzone2100/lib/widget/widget.h

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/*
This file is part of Warzone 2100.
Copyright (C) 1999-2004 Eidos Interactive
Copyright (C) 2005-2009 Warzone Resurrection Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file lib/widget/widget.h
* Definitions for the Widget library
* @defgroup Widget Widget system
* Warzone uses a pixel layout, callback based widget code. While it has several
* fallbacks for drawing standard widgets, usually you want to specify your
* own drawing callbacks.
* @{
*/
#ifndef __INCLUDED_LIB_WIDGET_WIDGET_H__
#define __INCLUDED_LIB_WIDGET_WIDGET_H__
#include "lib/framework/frame.h"
#include "lib/ivis_common/piepalette.h"
#include "lib/ivis_common/textdraw.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 ****************/
#define WFORM_PLAIN 0 ///< Plain form
#define WFORM_TABBED 1 ///< Tabbed form
/** Invisible (i.e. see through) form - can be used in conjunction with WFORM_PLAIN or WFORM_TABBED. */
#define WFORM_INVISIBLE 2
#define WFORM_CLICKABLE 4 ///< Clickable form - return form id when the form is clicked
#define WFORM_NOCLICKMOVE 8 ///< Disable movement on a clickable form
/**
* Control whether the primary or secondary buttons work on a clickable form.
* Primary works by default - this turns it off.
*/
#define WFORM_NOPRIMARY 0x10
#define WFORM_SECONDARY 0x20 ///< Enable secondary buttons
/************ 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)
#define WBUT_NOCLICKMOVE 8 ///< Disable movement on a button
/**
* Control whether the primary or secondary buttons work on a button. Primary works by default -
* this turns it off.
*/
#define WBUT_NOPRIMARY 0x10
#define WBUT_SECONDARY 0x20 ///< Enable secondary buttons.
#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
/***********************************************************************************/
/* 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
{
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.
*/
// The below define is max # of tabs we can have.
// It is set to 20 Look @ #define MAXSTRUCTURES 200 in hci.h Keep them in check!
// New routines really have no max limit. I am not sure what max # a legal user can have.
#define WFORM_MAXMAJOR 40 // Maximum number of major tabs on a tab form
// we do NOT use MAX MINOR now, it is another way to draw the widgets.
#define WFORM_MAXMINOR 5 //15 // Maximum number of minor tabs off a major
#define MAX_TAB_STD_SHOWN 4 // max # of tabs we can display using standard tab icons.
#define MAX_TAB_SMALL_SHOWN 8 // max # of tabs we can display using small tab icons.
#define TAB_SEVEN 7 //*with* tab scroll buttons, we can only (currently) show 7 max!
// NOTE: enable TAB_MINOR at your own risk. Have NOT testest new rotuines with that.
#define TAB_MINOR 0 // Tab types passed into tab display callbacks.
#define TAB_MAJOR 1
typedef void (*TAB_DISPLAY)(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, char *String);
/** Form initialisation structure */
typedef struct
{
/* 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 numStats; ///< Number of "stats" (items) in list
UWORD numButtons; ///< Number of buttons per form
UWORD numMajor; ///< Number of major tabs
UWORD aNumMinors[WFORM_MAXMAJOR]; ///< Number of minor tabs for each major
SWORD TabMultiplier; ///< Used to tell system we got lots of (virtual) tabs to display
const char *pTip; ///< Tool tip for the form itself
char *apMajorTips[WFORM_MAXMAJOR]; ///< Tool tips for the major tabs
char *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
{
/* The basic init entries */
WINIT_BASE;
const char *pText; ///< label text
const char *pTip; ///< Tool tip for the label.
enum iV_fonts FontID; ///< ID of the IVIS font to use for this widget.
} W_LABINIT;
/** Button initialisation structure */
typedef struct
{
/* The basic init entries */
WINIT_BASE;
const char *pText; ///< Button text
const char *pTip; ///< Tool tip text
enum iV_fonts FontID; //< ID of the IVIS font to use for this widget.
} W_BUTINIT;
/** Edit box initialisation structure */
typedef struct
{
/* The basic init entries */
WINIT_BASE;
const char *pText; ///< initial contents of the edit box
enum iV_fonts 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
{
/* 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
PIELIGHT sCol; ///< Bar colour
PIELIGHT sMinorCol; ///< Minor bar colour
const char *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
{
/* 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
const char *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
/** Initialise the widget module */
extern bool widgInitialise(void);
/** Reset the widget module */
extern void widgReset(void);
/** Shut down the widget module */
extern void widgShutDown(void);
/** Create an empty widget screen */
extern W_SCREEN* widgCreateScreen(void);
/** 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, enum iV_fonts FontID);
/** Add a form to the widget screen */
extern BOOL widgAddForm(W_SCREEN *psScreen, const W_FORMINIT* psInit);
/** Add a label to the widget screen */
extern BOOL widgAddLabel(W_SCREEN *psScreen, const W_LABINIT* psInit);
/** Add a button to a form */
extern BOOL widgAddButton(W_SCREEN *psScreen, const W_BUTINIT* psInit);
/** Add an edit box to a form */
extern BOOL widgAddEditBox(W_SCREEN *psScreen, const W_EDBINIT* psInit);
/** Add a bar graph to a form */
extern BOOL widgAddBarGraph(W_SCREEN *psScreen, const W_BARINIT* psInit);
/** Add a slider to a form */
extern BOOL widgAddSlider(W_SCREEN *psScreen, const 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 const char *widgGetString(W_SCREEN *psScreen, UDWORD id);
/** Set the text in a widget */
extern void widgSetString(W_SCREEN *psScreen, UDWORD id, const char *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 number of major tab in a tab form. */
int widgGetNumTabMajor(W_SCREEN *psScreen, UDWORD id);
/** Get the number of minor tabs in a tab form. */
int widgGetNumTabMinor(W_SCREEN *psScreen, UDWORD id, UWORD pMajor);
/** 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 */
extern UDWORD widgGetUserData2(W_SCREEN *psScreen, UDWORD id);
/** Set the user data for a widget */
extern 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, const char *pTip);
extern void widgSetTipText(WIDGET* psWidget, const char* 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(PIELIGHT colour);
/* 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);
/** Enable or disable all sliders. */
extern void sliderEnableDrag(BOOL Enable);
extern void setWidgetsStatus( BOOL var );
extern BOOL getWidgetsStatus( void );
extern void CheckpsMouseOverWidget( void *psWidget );
/** @} */
#endif // __INCLUDED_LIB_WIDGET_WIDGET_H__
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