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TWINDOW.HPP
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C/C++ Source or Header
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1993-07-03
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15KB
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331 lines
#if !defined (TWINDOW) // Prevents multiple declarations errors
#define TWINDOW
/*
Module : TWINDOW.HPP
Version : 2.0
Revision date : July 3rd, 1993
Author(s) : Remy Gendron
Description : Header file of {twindow} class.
*/
// Headers ------------------------------------------------------------------
#include <conio.h> // System's librairies
#include <stdio.h>
#include <values.h>
#include "tinput.hpp" // Other modules
// Macros -------------------------------------------------------------------
#include "stdmacro.h" // Standard macro definitions
// TypeDefs -----------------------------------------------------------------
#include "stdtype.h" // Standard type definitions
struct tbutton // Button's definition
{
char huge *buttonname ; // Button's name
int buttonkey ; // Key code that 'pushes' the button
int buttonrow ; // Button's row in window
int buttoncol ; // Button's col in window
bool buttonavail ; // TRUE: Button is available
char huge *buttonsltext ; // Button's statusline text
int buttonhlpctx ; // Button's help context number
tbutton huge *buttonnext ; // Ptr to next button in link
tbutton huge *buttonprevious ; // Ptr to previous button in link
} ;
struct tfield // Input field's definition
{
int fieldnumber ; // Input field's ID # ([1..[)
char huge *fieldanswer ; // Ptr to answer's buffer
int fieldanswerlength ; // Answer's max length
int fieldlength ; // Input field's length
int fieldrow ; // Field's row in window
int fieldcol ; // Field's col in window
int fieldftr ; // Filter used for input (0-4)
char huge *fieldxtraftr ; // Extra chars to use as filter
bool fieldcapsflag ; // If TRUE, switches to uppercase
bool fieldnullflag ; // If TRUE, can enter a null string
char huge *fieldsltext ; // Field's statusline text
int fieldhlpctx ; // Field's help context number
tfield huge *fieldnext ; // Ptr to next field in link
tfield huge *fieldprevious ; // Ptr to previous field in link
} ;
// Prototypes ---------------------------------------------------------------
class twindow
{
char huge *winunder ; // Ptr to buffer to saved screen under window
char huge *winrshadow ; // Ptr to buffer to saved right of window
char huge *winrshadowd ; // Ptr to buffer with right shadow
char huge *winbshadow ; // Ptr to buffer to save bottom of window
char huge *winbshadowd ; // Ptr to buffer with bottom shadow
char huge *winfront ; // Ptr to save window's content when hidden
char huge *wintitle ; // Ptr to window's title
int winhlpctx ; // Window's context sensitive help number
twindow huge *winnext ; // Next window in link
twindow huge *winprevious ; // Previous window in link
int winrow ; // Window's position (topleft corner)
int wincol ; // Window's position (topleft corner)
int winheight ; // Window's height in rows
int winwidth ; // Window's width in columns
int winbackcolor ; // Window's background color
int winforecolor ; // Window's foreground color
int wincurrow ; // Cursor's position in window
bool winmovable ; // TRUE: Window can be moved
int winstatus ; // 0:closed 1:open 2:hidden
// The following attributes apply to all existing input fields
int dfieldbackcolor ; // Default field's background color
int dfieldforecoloron ; // Default field's foreground color
int dfieldforecoloroff ;
int fieldcount ; // Number of input fields created
tfield huge *fieldfirst ; // First field in link
tfield huge *fieldlast ; // Last field in link
// The following attributes apply to all existing buttons
int buttonbackcolor ; // Buttons' background color
int buttonforecoloron ; // Active buttons' foreground color
int buttonforecoloroff ; // Inactive buttons' foreground color
int buttonhighcolor ; // Button's highlight color
tbutton huge *buttonfirst ; // First button in link
tbutton huge *buttonlast ; // Last button in link
int screenheight ; // Current screenheight
int screenwidth ; // Current screenwidth
public:
far twindow () ; // Constructor
far ~twindow () ; // Destructor
void far twindow::winsetpos // Sets window's screen position
(
int row, // Top left corner's row
int col, // Top left corner's col
bool movable=EV_MAYBE // TRUE: Window can be moved. Default is no change
) ;
int far twindow::wingetrow () ; // Returns window's row pos
int far twindow::wingetcol () ; // Returns window's col pos
void far twindow::winsetsize // Sets window's size
(
int height=MAXINT, // Window's height including frames
int width=MAXINT // Window's width including frames
) ;
int far twindow::wingetheight () ; // Returns window's height
int far twindow::wingetwidth () ; // Returns window's width
void far twindow::winsetcolors // Sets window's colors
(
int back=LIGHTGRAY, // Window's background color
int fore=WHITE // Window's foreground color
) ;
void far twindow::winsettitle // Sets window's title
(
char huge *title // Ptr to window's title
) ;
void far twindow::winsethlpctx // Sets general help context's number
(
int hlpctx=EV_NOHLPCTX // Help context's number
) ;
void far twindow::winopen () ; // Opens window with current settings
void far twindow::winclose () ; // Closes and resets window
void far twindow::winclear // Clears an area in window
(
int left=1, // Top left corner
int top=1,
int right=MAXINT, // Bottom right corner
int bottom=MAXINT
) ;
void far twindow::winwrite // Writes text to window
(
char huge *text, // Ptr to text to be written
int row=EV_DEF, // Text's position in window
int col=1,
int format=0, // Justification 0:none 1:left 2:centered 3:right
int fore=EV_DEF, // Text's color
int back=EV_DEF
) ;
void far twindow::wintext // Displays text with word wrapping
(
char huge *textptr, // Ptr to text to be displayed
int fore=EV_DEF, // Text's normal foreground color
int high=YELLOW // Text's highlight color
) ;
void far twindow::wintextfile // Displays a text file
(
char huge *path, // Path to file
int fore=EV_DEF, // Foreground color to use
int high=YELLOW // Highlight color to use
) ;
void far twindow::winmove // Moves window to new position
(
int row, // Topleft corner's new position
int col
) ;
void far twindow::winscroll // Moves window 1 space only
(
char direction // U: up D: down L: left R: right
) ;
bool far twindow::winonedges // Checks if position is on window's edges
(
int row, // Position
int col,
int huge *offsetrow=NULL, // Offset to window's top left corner
int huge *offsetcol=NULL
) ;
bool far twindow::wininside // Checks if position is in window's area
(
int row, // Position
int col,
int huge *offsetrow=NULL, // Offset to window's top left corner
int huge *offsetcol=NULL
) ;
input_info far twindow::wininput // Gets input from window fields and buttons
(
input_info ii // input_info struct
) ;
void far twindow::fieldsetcolors // Sets fields' colors
(
int back=BLUE, // Fields' background color
int foreon=WHITE, // Fields' foreground color when active
int foreoff=LIGHTCYAN // Fields' foreground color when inactive
) ;
void far twindow::fieldcreate // Creates an input field
(
int row, // Input field's row
int col, // Input field's col
int answerlength, // Answers' maximum length
int length, // Input field's length in window
int ftr, // Input field's filter number (0-4)
char huge *xtraftr, // Extra chars to use with filter
bool capsflag, // If TRUE, all input is switched to uppercase
bool nullflag, // If TRUE, can enter a null string
char huge *defaultasw, // Default answer
char huge *sltext, // Statusline text for this field
int hlpctx=EV_NOHLPCTX // Help context number
) ;
void far twindow::fieldsetasw // Sets default answer in a field
(
char huge *answer, // Default answer for this field
int fieldnb // Field's ID number
) ;
void far twindow::fieldgetasw // Gets a field's answer
(
char huge *dest, // Destination to copy answer's to
int fieldnb // Field's ID number
) ;
input_info far twindow::fieldinput // Gets input from one field
(
int fieldnb // Field's number, to get input from
) ;
void far twindow::buttonsetcolors // Sets buttons's colors
(
int back=GREEN, // Button's background color
int foreon=WHITE, // Button's foreground color when active
int foreoff=BLACK, // Button's foreground color when inactive
int high=YELLOW // Button's highlight color (hotkey)
) ;
void far twindow::buttoncreate // Creates and displays a button
(
int row, // Button's row
int col, // Button's col
char huge *name, // Button's name
int buttonkey, // Button's hotkey
char huge *sltext=NULL, // Button's associated statusline text
int hlpctx=EV_NOHLPCTX // Help context number
) ;
void far twindow::buttonsetavail // Sets availability flag of a button
(
int buttonkey, // Button's hotkey
bool available=TRUE // TRUE: available FALSE: not available
) ;
input_info far twindow::buttoninput // Waits for a button to be pushed
(
input_info userinput, // User's initial input
bool first=TRUE // TRUE: Makes 1st button alive
) ;
private:
void far twindow::winreset () ; // Resets window's attributes
void twindow::winsavescreen () ; // Saves screen under window and its shadows
void far twindow::winrestorescreen () ;// Restores scr & shadows under window
void twindow::winhide () ; // Temporarily hides window
void twindow::winunhide () ; // Unhides windows
tbutton huge* twindow::buttonexist // Checks if this button exists
(
int buttonkey // Button's key
) ;
void far twindow::buttondraw // Draws a button
(
int buttonkey, // Button's hotkey
bool alive=FALSE, // TRUE: Alive FALSE: Not Alive
bool pushed=FALSE // TRUE: Pushed FALSE: Normal pos
) ;
void far twindow::buttondrawall () ; // Redraws all the buttons
void far twindow::buttonpush // Pushes one of the buttons
(
int buttonkey // Button's hotkey
) ;
} ;
// End Header File ----------------------------------------------------------
#endif
