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DFLAT.H
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1992-04-17
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/* ------------- dflat.h ----------- */
#ifndef DFLAT_H
#define DFLAT_H
#ifdef BUILD_FULL_DFLAT
#define INCLUDE_MULTI_WINDOWS
#define INCLUDE_LOGGING
#define INCLUDE_SHELLDOS
#define INCLUDE_WINDOWOPTIONS
#define INCLUDE_PICTUREBOX
#define INCLUDE_MINIMIZE
#define INCLUDE_MAXIMIZE
#define INCLUDE_RESTORE
#define INCLUDE_EXTENDEDSELECTIONS
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dos.h>
#include <process.h>
#include <conio.h>
#include <bios.h>
#include <ctype.h>
#include <io.h>
#include <sys\types.h>
#include <sys\stat.h>
#include <time.h>
#include <setjmp.h>
#define VERSION "Version 12"
void *DFcalloc(size_t, size_t);
void *DFmalloc(size_t);
void *DFrealloc(void *, size_t);
typedef enum {FALSE, TRUE} BOOL;
#define MAXMESSAGES 50
#define DELAYTICKS 1
#define FIRSTDELAY 7
#define DOUBLETICKS 5
#define MAXTEXTLEN 65000U /* maximum text buffer */
#define EDITLEN 1024 /* starting length for multiliner */
#define ENTRYLEN 256 /* starting length for one-liner */
#define GROWLENGTH 64 /* buffers grow by this much */
#include "system.h"
#include "config.h"
#include "rect.h"
#include "menu.h"
#include "keys.h"
#include "commands.h"
#include "dialbox.h"
/* ------ integer type for message parameters ----- */
typedef long PARAM;
enum Condition {
ISRESTORED, ISMINIMIZED, ISMAXIMIZED, ISCLOSING
};
typedef struct window {
CLASS class; /* window class */
char *title; /* window title */
struct window *parent; /* parent window */
int (*wndproc)
(struct window *, enum messages, PARAM, PARAM);
/* ----------------- window colors -------------------- */
char WindowColors[4][2];
/* ---------------- window dimensions ----------------- */
RECT rc; /* window coordinates
(0/0 to 79/24) */
int ht, wd; /* window height and width */
RECT RestoredRC; /* restored condition rect */
/* -------------- linked list pointers ---------------- */
struct window *nextfocus; /* next window on screen */
struct window *prevfocus; /* previous window on screen*/
int attrib; /* Window attributes */
char *videosave; /* video save buffer */
enum Condition condition; /* Restored, Maximized,
Minimized, Closing */
enum Condition oldcondition;/* previous condition */
int restored_attrib; /* attributes when restored */
void *extension; /* menus, dialogs, documents, etc */
int ChildCt;
struct window **Children;
struct window *PrevMouse;
struct window *PrevKeyboard;
struct window *MenuBarWnd;/* menu bar */
struct window *StatusBar; /* status bar */
/* ----------------- text box fields ------------------ */
int wlines; /* number of lines of text */
int wtop; /* text line that is on the top display */
unsigned char *text; /* window text */
unsigned int textlen; /* text length */
int wleft; /* left position in window viewport */
int textwidth; /* width of longest line in textbox */
int BlkBegLine; /* beginning line of marked block */
int BlkBegCol; /* beginning column of marked block */
int BlkEndLine; /* ending line of marked block */
int BlkEndCol; /* ending column of marked block */
int HScrollBox; /* position of horizontal scroll box */
int VScrollBox; /* position of vertical scroll box */
unsigned int *TextPointers; /* -> list of line offsets */
/* ----------------- list box fields ------------------ */
int selection; /* current selection */
BOOL AddMode; /* adding extended selections mode */
int AnchorPoint;/* anchor point for extended selections */
int SelectCount;/* count of selected items */
/* ----------------- edit box fields ------------------ */
int CurrCol; /* Current column */
int CurrLine; /* Current line */
int WndRow; /* Current window row */
BOOL TextChanged; /* TRUE if text has changed */
unsigned char *DeletedText; /* for undo */
unsigned DeletedLength; /* Length of deleted field */
BOOL InsertMode; /* TRUE or FALSE for text insert */
BOOL WordWrapMode; /* TRUE or FALSE for word wrap */
unsigned int MaxTextLength; /* maximum text length */
/* ---------------- dialog box fields ----------------- */
void *dFocus; /* control that has the focus */
int ReturnCode; /* return code from a dialog box */
BOOL Modal; /* True if a modeless dialog box */
CTLWINDOW *ct; /* control structure */
/* -------------- popdownmenu fields ------------------ */
MENU *mnu; /* points to menu structure */
MBAR *holdmenu; /* previous active menu */
/* --------------- help box fields -------------------- */
void *firstword; /* -> first in list of key words */
void *lastword; /* -> last in list of key words */
void *thisword; /* -> current in list of key words */
/* -------------- status bar fields ------------------- */
BOOL TimePosted; /* True if time has been posted */
#ifdef INCLUDE_PICTUREBOX
/* ------------- picture box fields ------------------- */
int VectorCount; /* number of vectors in vector list */
void *VectorList; /* list of picture box vectors */
#endif
} * WINDOW;
#include "classdef.h"
#include "video.h"
void LogMessages (WINDOW, MESSAGE, PARAM, PARAM);
void MessageLog(WINDOW);
/* ------- window methods ----------- */
#define ICONHEIGHT 3
#define ICONWIDTH 10
#define WindowHeight(w) ((w)->ht)
#define WindowWidth(w) ((w)->wd)
#define BorderAdj(w) (TestAttribute(w,HASBORDER)?1:0)
#define BottomBorderAdj(w) (TestAttribute(w,HASSTATUSBAR)?1:BorderAdj(w))
#define TopBorderAdj(w) ((TestAttribute(w,HASTITLEBAR) && \
TestAttribute(w,HASMENUBAR)) ? \
2 : (TestAttribute(w,HASTITLEBAR | \
HASMENUBAR | HASBORDER) ? 1 : 0))
#define ClientWidth(w) (WindowWidth(w)-BorderAdj(w)*2)
#define ClientHeight(w) (WindowHeight(w)-TopBorderAdj(w)-\
BottomBorderAdj(w))
#define WindowRect(w) ((w)->rc)
#define GetTop(w) (RectTop(WindowRect(w)))
#define GetBottom(w) (RectBottom(WindowRect(w)))
#define GetLeft(w) (RectLeft(WindowRect(w)))
#define GetRight(w) (RectRight(WindowRect(w)))
#define GetClientTop(w) (GetTop(w)+TopBorderAdj(w))
#define GetClientBottom(w) (GetBottom(w)-BottomBorderAdj(w))
#define GetClientLeft(w) (GetLeft(w)+BorderAdj(w))
#define GetClientRight(w) (GetRight(w)-BorderAdj(w))
#define GetParent(w) ((w)->parent)
#define GetTitle(w) ((w)->title)
#define NextWindow(w) ((w)->nextfocus)
#define PrevWindow(w) ((w)->prevfocus)
#define GetClass(w) ((w)->class)
#define GetAttribute(w) ((w)->attrib)
#define AddAttribute(w,a) (GetAttribute(w) |= a)
#define ClearAttribute(w,a) (GetAttribute(w) &= ~(a))
#define TestAttribute(w,a) (GetAttribute(w) & (a))
#define isHidden(w) (!(GetAttribute(w) & VISIBLE))
#define SetVisible(w) (GetAttribute(w) |= VISIBLE)
#define ClearVisible(w) (GetAttribute(w) &= ~VISIBLE)
#define gotoxy(w,x,y) cursor(w->rc.lf+(x)+1,w->rc.tp+(y)+1)
BOOL isVisible(WINDOW);
WINDOW CreateWindow(CLASS,char *,int,int,int,int,void*,WINDOW,
int (*)(struct window *,enum messages,PARAM,PARAM),int);
void AddTitle(WINDOW, char *);
void InsertTitle(WINDOW, char *);
void DisplayTitle(WINDOW, RECT *);
void RepaintBorder(WINDOW, RECT *);
void PaintShadow(WINDOW);
void ClearWindow(WINDOW, RECT *, int);
void writeline(WINDOW, char *, int, int, BOOL);
void InitWindowColors(WINDOW);
void SetNextFocus(WINDOW);
void SetPrevFocus(WINDOW);
void SkipSystemWindows(int);
void RemoveFocusWindow(WINDOW);
void AppendFocusWindow(WINDOW);
void PrependFocusWindow(WINDOW);
WINDOW GetFirstChild(WINDOW);
WINDOW GetNextChild(WINDOW, WINDOW);
WINDOW GetLastChild(WINDOW);
WINDOW GetPrevChild(WINDOW, WINDOW);
WINDOW GetFirstFocusChild(WINDOW);
WINDOW GetNextFocusChild(WINDOW, WINDOW);
BOOL CharInView(WINDOW, int, int);
void CreatePath(char *, char *, int, int);
#define SwapVideoBuffer(wnd, ish, fh) swapvideo(wnd, wnd->videosave, ish, fh)
int LineLength(char *);
RECT AdjustRectangle(WINDOW, RECT);
BOOL isDerivedFrom(WINDOW, CLASS);
WINDOW GetAncestor(WINDOW);
void PutWindowChar(WINDOW,int,int,int);
void PutWindowLine(WINDOW, void *,int,int);
#define BaseWndProc(class,wnd,msg,p1,p2) \
(*classdefs[(classdefs[class].base)].wndproc)(wnd,msg,p1,p2)
#define DefaultWndProc(wnd,msg,p1,p2) \
(classdefs[wnd->class].wndproc == NULL) ? \
BaseWndProc(wnd->class,wnd,msg,p1,p2) : \
(*classdefs[wnd->class].wndproc)(wnd,msg,p1,p2)
struct LinkedList {
WINDOW FirstWindow;
WINDOW LastWindow;
};
extern struct LinkedList Focus;
extern WINDOW inFocus;
extern WINDOW CaptureMouse;
extern WINDOW CaptureKeyboard;
extern int foreground, background;
extern BOOL WindowMoving;
extern BOOL WindowSizing;
extern BOOL VSliding;
extern BOOL HSliding;
extern char DFlatApplication[];
extern char *Clipboard;
extern unsigned ClipboardLength;
extern BOOL ClipString;
/* --------- space between menubar labels --------- */
#define MSPACE 2
/* --------------- border characters ------------- */
#define FOCUS_NW (unsigned char) '\xc9'
#define FOCUS_NE (unsigned char) '\xbb'
#define FOCUS_SE (unsigned char) '\xbc'
#define FOCUS_SW (unsigned char) '\xc8'
#define FOCUS_SIDE (unsigned char) '\xba'
#define FOCUS_LINE (unsigned char) '\xcd'
#define NW (unsigned char) '\xda'
#define NE (unsigned char) '\xbf'
#define SE (unsigned char) '\xd9'
#define SW (unsigned char) '\xc0'
#define SIDE (unsigned char) '\xb3'
#define LINE (unsigned char) '\xc4'
#define LEDGE (unsigned char) '\xc3'
#define REDGE (unsigned char) '\xb4'
/* ------------- scroll bar characters ------------ */
#define UPSCROLLBOX (unsigned char) '\x1e'
#define DOWNSCROLLBOX (unsigned char) '\x1f'
#define LEFTSCROLLBOX (unsigned char) '\x11'
#define RIGHTSCROLLBOX (unsigned char) '\x10'
#define SCROLLBARCHAR (unsigned char) 176
#define SCROLLBOXCHAR (unsigned char) 178
/* ------------------ menu characters --------------------- */
#define CHECKMARK (unsigned char) (SCREENHEIGHT==25?251:4)
#define CASCADEPOINTER (unsigned char) '\x10'
/* ----------------- title bar characters ----------------- */
#define CONTROLBOXCHAR (unsigned char) '\xf0'
#define MAXPOINTER 24 /* maximize token */
#define MINPOINTER 25 /* minimize token */
#define RESTOREPOINTER 18 /* restore token */
/* --------------- text control characters ---------------- */
#define APPLCHAR (unsigned char) 176 /* fills application window */
#define SHORTCUTCHAR '~' /* prefix: shortcut key display */
#define CHANGECOLOR (unsigned char) 174 /* prefix to change colors */
#define RESETCOLOR (unsigned char) 175 /* reset colors to default */
#define LISTSELECTOR 4 /* selected list box entry */
/* --------- message prototypes ----------- */
BOOL init_messages(void);
void PostMessage(WINDOW, MESSAGE, PARAM, PARAM);
int SendMessage(WINDOW, MESSAGE, PARAM, PARAM);
BOOL dispatch_message(void);
void handshake(void);
int TestCriticalError(void);
/* ---- standard window message processing prototypes ----- */
int ApplicationProc(WINDOW, MESSAGE, PARAM, PARAM);
int NormalProc(WINDOW, MESSAGE, PARAM, PARAM);
int TextBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int ListBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int EditBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int PictureProc(WINDOW, MESSAGE, PARAM, PARAM);
int MenuBarProc(WINDOW, MESSAGE, PARAM, PARAM);
int PopDownProc(WINDOW, MESSAGE, PARAM, PARAM);
int ButtonProc(WINDOW, MESSAGE, PARAM, PARAM);
int ComboProc(WINDOW, MESSAGE, PARAM, PARAM);
int TextProc(WINDOW, MESSAGE, PARAM, PARAM);
int RadioButtonProc(WINDOW, MESSAGE, PARAM, PARAM);
int CheckBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int SpinButtonProc(WINDOW, MESSAGE, PARAM, PARAM);
int BoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int DialogProc(WINDOW, MESSAGE, PARAM, PARAM);
int SystemMenuProc(WINDOW, MESSAGE, PARAM, PARAM);
int HelpBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int MessageBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int CancelBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int ErrorBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int YesNoBoxProc(WINDOW, MESSAGE, PARAM, PARAM);
int StatusBarProc(WINDOW, MESSAGE, PARAM, PARAM);
int WatchIconProc(WINDOW, MESSAGE, PARAM, PARAM);
/* ------------- normal box prototypes ------------- */
WINDOW inWindow(WINDOW, int, int);
void SetStandardColor(WINDOW);
void SetReverseColor(WINDOW);
#define HitControlBox(wnd, p1, p2) \
(TestAttribute(wnd, CONTROLBOX) && \
p1 == 2 && p2 == 0)
#define WndForeground(wnd) \
(wnd->WindowColors [STD_COLOR] [FG])
#define WndBackground(wnd) \
(wnd->WindowColors [STD_COLOR] [BG])
#define FrameForeground(wnd) \
(wnd->WindowColors [FRAME_COLOR] [FG])
#define FrameBackground(wnd) \
(wnd->WindowColors [FRAME_COLOR] [BG])
#define SelectForeground(wnd) \
(wnd->WindowColors [SELECT_COLOR] [FG])
#define SelectBackground(wnd) \
(wnd->WindowColors [SELECT_COLOR] [BG])
#define HighlightForeground(wnd) \
(wnd->WindowColors [HILITE_COLOR] [FG])
#define HighlightBackground(wnd) \
(wnd->WindowColors [HILITE_COLOR] [BG])
#define WindowClientColor(wnd, fg, bg) \
WndForeground(wnd) = fg, WndBackground(wnd) = bg
#define WindowReverseColor(wnd, fg, bg) \
SelectForeground(wnd) = fg, SelectBackground(wnd) = bg
#define WindowFrameColor(wnd, fg, bg) \
FrameForeground(wnd) = fg, FrameBackground(wnd) = bg
#define WindowHighlightColor(wnd, fg, bg) \
HighlightForeground(wnd) = fg, HighlightBackground(wnd) = bg
/* -------- text box prototypes ---------- */
#define TextLine(wnd, sel) \
(wnd->text + *((wnd->TextPointers) + sel))
void WriteTextLine(WINDOW, RECT *, int, BOOL);
void SetAnchor(WINDOW, int, int);
#define TextBlockMarked(wnd) ( wnd->BlkBegLine || \
wnd->BlkEndLine || \
wnd->BlkBegCol || \
wnd->BlkEndCol)
void MarkTextBlock(WINDOW, int, int, int, int);
#define ClearTextBlock(wnd) wnd->BlkBegLine = wnd->BlkEndLine = \
wnd->BlkBegCol = wnd->BlkEndCol = 0;
#define GetText(w) ((w)->text)
#define GetTextLines(w) ((w)->wlines)
void ClearTextPointers(WINDOW);
void BuildTextPointers(WINDOW);
int TextLineNumber(WINDOW, char *);
/* ------------ Clipboard prototypes ------------- */
void CopyTextToClipboard(char *);
void CopyToClipboard(WINDOW);
#define PasteFromClipboard(wnd) PasteText(wnd,Clipboard,ClipboardLength)
BOOL PasteText(WINDOW, char *, unsigned);
void ClearClipboard(void);
/* --------- menu prototypes ---------- */
int CopyCommand(unsigned char *, unsigned char *, int, int);
void PrepFileMenu(void *, struct Menu *);
void PrepEditMenu(void *, struct Menu *);
void PrepSearchMenu(void *, struct Menu *);
void PrepWindowMenu(void *, struct Menu *);
void BuildSystemMenu(WINDOW);
BOOL isActive(MBAR *, int);
char *GetCommandText(MBAR *, int);
BOOL isCascadedCommand(MBAR *,int);
void ActivateCommand(MBAR *,int);
void DeactivateCommand(MBAR *,int);
BOOL GetCommandToggle(MBAR *,int);
void SetCommandToggle(MBAR *,int);
void ClearCommandToggle(MBAR *,int);
void InvertCommandToggle(MBAR *,int);
int BarSelection(int);
/* ------------- list box prototypes -------------- */
BOOL ItemSelected(WINDOW, int);
/* ------------- edit box prototypes ----------- */
#define CurrChar (TextLine(wnd, wnd->CurrLine)+wnd->CurrCol)
#define WndCol (wnd->CurrCol-wnd->wleft)
#define isMultiLine(wnd) TestAttribute(wnd, MULTILINE)
void SearchText(WINDOW);
void ReplaceText(WINDOW);
void SearchNext(WINDOW);
/* --------- message box prototypes -------- */
WINDOW SliderBox(int, char *, char *);
BOOL InputBox(WINDOW, char *, char *, char *, int);
BOOL GenericMessage(WINDOW, char *, char *, int,
int (*)(struct window *, enum messages, PARAM, PARAM),
char *, char *, int, int, int);
#define TestErrorMessage(msg) \
GenericMessage(NULL, "Error", msg, 2, ErrorBoxProc, \
Ok, Cancel, ID_OK, ID_CANCEL, TRUE)
#define ErrorMessage(msg) \
GenericMessage(NULL, "Error", msg, 1, ErrorBoxProc, \
Ok, NULL, ID_OK, 0, TRUE)
#define MessageBox(ttl, msg) \
GenericMessage(NULL, ttl, msg, 1, MessageBoxProc, \
Ok, NULL, ID_OK, 0, TRUE)
#define YesNoBox(msg) \
GenericMessage(NULL, NULL, msg, 2, YesNoBoxProc, \
Yes, No, ID_OK, ID_CANCEL, TRUE)
#define CancelBox(wnd, msg) \
GenericMessage(wnd, "Wait...", msg, 1, CancelBoxProc, \
Cancel, NULL, ID_CANCEL, 0, FALSE)
void CloseCancelBox(void);
WINDOW MomentaryMessage(char *);
int MsgHeight(char *);
int MsgWidth(char *);
/* ------------- dialog box prototypes -------------- */
BOOL DialogBox(WINDOW, DBOX *, BOOL,
int (*)(struct window *, enum messages, PARAM, PARAM));
void ClearDialogBoxes(void);
BOOL OpenFileDialogBox(char *, char *);
BOOL SaveAsDialogBox(char *);
void GetDlgListText(WINDOW, char *, enum commands);
BOOL DlgDirList(WINDOW, char *, enum commands,
enum commands, unsigned);
BOOL RadioButtonSetting(DBOX *, enum commands);
void PushRadioButton(DBOX *, enum commands);
void PutItemText(WINDOW, enum commands, char *);
void PutComboListText(WINDOW, enum commands, char *);
void GetItemText(WINDOW, enum commands, char *, int);
char *GetDlgTextString(DBOX *, enum commands, CLASS);
void SetDlgTextString(DBOX *, enum commands, char *, CLASS);
void SetCheckBox(DBOX *, enum commands);
void ClearCheckBox(DBOX *, enum commands);
BOOL CheckBoxSetting(DBOX *, enum commands);
CTLWINDOW *FindCommand(DBOX *, enum commands, int);
WINDOW ControlWindow(DBOX *, enum commands);
void EnableButton(DBOX *, enum commands);
void DisableButton(DBOX *, enum commands);
void SetScrollBars(WINDOW);
void SetRadioButton(DBOX *, CTLWINDOW *);
void ControlSetting(DBOX *, enum commands, int, int);
void SetFocusCursor(WINDOW);
#define GetControl(wnd) (wnd->ct)
#define GetDlgText(db, cmd) GetDlgTextString(db, cmd, TEXT)
#define GetDlgTextBox(db, cmd) GetDlgTextString(db, cmd, TEXTBOX)
#define GetEditBoxText(db, cmd) GetDlgTextString(db, cmd, EDITBOX)
#define GetComboBoxText(db, cmd) GetDlgTextString(db, cmd, COMBOBOX)
#define SetDlgText(db, cmd, s) SetDlgTextString(db, cmd, s, TEXT)
#define SetDlgTextBox(db, cmd, s) SetDlgTextString(db, cmd, s, TEXTBOX)
#define SetEditBoxText(db, cmd, s) SetDlgTextString(db, cmd, s, EDITBOX)
#define SetComboBoxText(db, cmd, s) SetDlgTextString(db, cmd, s, COMBOBOX)
#define SetDlgTitle(db, ttl) ((db)->dwnd.title = ttl)
#define SetCheckBox(db, cmd) ControlSetting(db, cmd, CHECKBOX, ON)
#define ClearCheckBox(db, cmd) ControlSetting(db, cmd, CHECKBOX, OFF)
#define EnableButton(db, cmd) ControlSetting(db, cmd, BUTTON, ON)
#define DisableButton(db, cmd) ControlSetting(db, cmd, BUTTON, OFF)
/* ---- types of vectors that can be in a picture box ------- */
enum VectTypes {VECTOR, SOLIDBAR, HEAVYBAR, CROSSBAR, LIGHTBAR};
/* ------------- picture box prototypes ------------- */
void DrawVector(WINDOW, int, int, int, int);
void DrawBox(WINDOW, int, int, int, int);
void DrawBar(WINDOW, enum VectTypes, int, int, int, int);
WINDOW WatchIcon(void);
/* ------------- help box prototypes ------------- */
void LoadHelpFile(void);
void UnLoadHelpFile(void);
BOOL DisplayHelp(WINDOW, char *);
extern char *ClassNames[];
void BuildFileName(char *, char *);
#endif