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#if !defined(__Edit_h__INCLUDED)
#define __Edit_h__INCLUDED
//
// Problems arising with edit control and DrawThemeText cause us not to
// render text using theme APIs. However, we still want to use a theme
// handle to draw out client edge.
// Uncomment the following to turn on theme defined text rendering
// #define _USE_DRAW_THEME_TEXT_
//
//
// Edit WndProc Prototype
//
extern LRESULT Edit_WndProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
#define DF_WINDOWFRAME (COLOR_WINDOWFRAME << 3)
//
// Edit macros
//
//
// Instance data pointer access functions
//
#define Edit_GetPtr(hwnd) \
(PED)GetWindowPtr(hwnd, 0)
#define Edit_SetPtr(hwnd, p) \
(PED)SetWindowPtr(hwnd, 0, p)
//
// We don't need 64-bit intermediate precision so we use this macro
// instead of calling MulDiv.
//
#define MultDiv(x, y, z) \
(((INT)(x) * (INT)(y) + (INT)(z) / 2) / (INT)(z))
#define ISDELIMETERA(ch) \
((ch == ' ') || (ch == '\t'))
#define ISDELIMETERW(ch) \
((ch == L' ') || (ch == L'\t'))
#define AWCOMPARECHAR(ped,pbyte,awchar) \
(ped->fAnsi ? (*(PUCHAR)(pbyte) == (UCHAR)(awchar)) : (*(LPWSTR)(pbyte) == (WCHAR)(awchar)))
#define CALLWORDBREAKPROC(proc, pText, iStart, cch, iAction) \
(* proc)(pText, iStart, cch, iAction)
#ifndef NULL_HIMC
#define NULL_HIMC (HIMC) 0
#endif
#ifdef UNICODE
#define EditWndProc EditWndProcW
#else
#define EditWndProc EditWndProcA
#endif
#define SYS_ALTERNATE 0x2000
#define FAREAST_CHARSET_BITS (FS_JISJAPAN | FS_CHINESESIMP | FS_WANSUNG | FS_CHINESETRAD)
//
// Length of the buffer for ASCII character width caching: for characters
// 0x00 to 0xff (field charWidthBuffer in PED structure below).
// As the upper half of the cache was not used by almost anyone and fixing
// it's usage required a lot of conversion, we decided to get rid of it
// MCostea #174031
//
#define CHAR_WIDTH_BUFFER_LENGTH 128
//
// NOTE: Text handle is sized as multiple of this constant
// (should be power of 2).
//
#define CCHALLOCEXTRA 0x20
//
// Maximum width in pixels for a line/rectangle
//
#define MAXPIXELWIDTH 30000
#define MAXCLIPENDPOS 32764
//
// Limit multiline edit controls to at most 1024 characters on a single line.
// We will force a wrap if the user exceeds this limit.
//
#define MAXLINELENGTH 1024
//
// Allow an initial maximum of 30000 characters in all edit controls since
// some apps will run into unsigned problems otherwise. If apps know about
// the 64K limit, they can set the limit themselves.
//
#define MAXTEXT 30000
//
// Key modifiers which have been pressed. Code in KeyDownHandler and
// CharHandler depend on these exact values.
//
#define NONEDOWN 0 // Neither shift nor control down
#define CTRLDOWN 1 // Control key only down
#define SHFTDOWN 2 // Shift key only down
#define SHCTDOWN 3 // Shift and control keys down = CTRLDOWN + SHFTDOWN
#define NOMODIFY 4 // Neither shift nor control down
#define IDSYS_SCROLL 0x0000FFFEL
//
// ECTabTheTextOut draw codes
//
#define ECT_CALC 0
#define ECT_NORMAL 1
#define ECT_SELECTED 2
typedef DWORD ICH;typedef ICH *LPICH;
//
// Types of undo supported in this ped
//
#define UNDO_NONE 0 // We can't undo the last operation.
#define UNDO_INSERT 1 // We can undo the user's insertion of characters
#define UNDO_DELETE 2 // We can undo the user's deletion of characters
typedef struct { DWORD fDisableCut : 1; DWORD fDisablePaste : 1; DWORD fNeedSeparatorBeforeImeMenu : 1; DWORD fIME : 1;} EditMenuItemState;
//
// The following structure is used to store a selection block; In Multiline
// edit controls, "StPos" and "EndPos" fields contain the Starting and Ending
// lines of the block. In Single line edit controls, "StPos" and "EndPos"
// contain the Starting and Ending character positions of the block;
//
typedef struct tagSELBLOCK { ICH StPos; ICH EndPos;} SELBLOCK, *LPSELBLOCK;
//
// The following structure is used to store complete information about a
// a strip of text.
//
typedef struct { LPSTR lpString; ICH ichString; ICH nCount; int XStartPos;} STRIPINFO;typedef STRIPINFO *LPSTRIPINFO;
typedef struct tagUNDO { UINT undoType; // Current type of undo we support
PBYTE hDeletedText; // Pointer to text which has been deleted (for
// undo) -- note, the memory is allocated as fixed
ICH ichDeleted; // Starting index from which text was deleted
ICH cchDeleted; // Count of deleted characters in buffer
ICH ichInsStart; // Starting index from which text was inserted
ICH ichInsEnd; // Ending index of inserted text
} UNDO, *PUNDO;
#define Pundo(ped) ((PUNDO)&(ped)->undoType)
typedef struct tagED0 *PED0;//
// Language pack edit control callouts.
//
// Functions are accessed through the pLpkEditCallout pointer in the ED
// structure. pLpkEditCallout points to a structure containing a pointer
// to each callout routine.
//
#define DECLARE_LPK_CALLOUT(_ret, _fn, _args) \
_ret (__stdcall *##_fn) _args
typedef struct tagLPKEDITCALLOUT {
DECLARE_LPK_CALLOUT(BOOL, EditCreate, (PED0, HWND)); DECLARE_LPK_CALLOUT(INT, EditIchToXY, (PED0, HDC, PSTR, ICH, ICH)); DECLARE_LPK_CALLOUT(ICH, EditMouseToIch, (PED0, HDC, PSTR, ICH, INT)); DECLARE_LPK_CALLOUT(ICH, EditCchInWidth, (PED0, HDC, PSTR, ICH, INT)); DECLARE_LPK_CALLOUT(INT, EditGetLineWidth, (PED0, HDC, PSTR, ICH)); DECLARE_LPK_CALLOUT(VOID, EditDrawText, (PED0, HDC, PSTR, INT, INT, INT, INT)); DECLARE_LPK_CALLOUT(BOOL, EditHScroll, (PED0, HDC, PSTR)); DECLARE_LPK_CALLOUT(ICH, EditMoveSelection, (PED0, HDC, PSTR, ICH, BOOL)); DECLARE_LPK_CALLOUT(INT, EditVerifyText, (PED0, HDC, PSTR, ICH, PSTR, ICH)); DECLARE_LPK_CALLOUT(VOID, EditNextWord , (PED0, HDC, PSTR, ICH, BOOL, LPICH, LPICH)); DECLARE_LPK_CALLOUT(VOID, EditSetMenu, (PED0, HMENU)); DECLARE_LPK_CALLOUT(INT, EditProcessMenu, (PED0, UINT)); DECLARE_LPK_CALLOUT(INT, EditCreateCaret, (PED0, HDC, INT, INT, UINT)); DECLARE_LPK_CALLOUT(ICH, EditAdjustCaret, (PED0, HDC, PSTR, ICH));
} LPKEDITCALLOUT, *PLPKEDITCALLOUT;
PLPKEDITCALLOUT g_pLpkEditCallout;
#if defined(BUILD_WOW6432)
//
// In user a PWND is actually pointer to kernel memory, so
// it needs to be 64-bits on wow6432 as well.
//
typedef VOID * _ptr64 PWND;
#else
typedef VOID * PWND;
#endif
//
// ! WARNING ! Don't modify this struct. This is is the same user32's tagED struct.
// Unfortunately the EditLpk callouts expect that struct. Change the
// tagED struct below.
//
typedef struct tagED0{ HANDLE hText; // Block of text we are editing
ICH cchAlloc; // Number of chars we have allocated for hText
ICH cchTextMax; // Max number bytes allowed in edit control
ICH cch; // Current number of bytes of actual text
ICH cLines; // Number of lines of text
ICH ichMinSel; // Selection extent. MinSel is first selected char
ICH ichMaxSel; // MaxSel is first unselected character
ICH ichCaret; // Caret location. Caret is on left side of char
ICH iCaretLine; // The line the caret is on. So that if word
// wrapping, we can tell if the caret is at end
// of a line of at beginning of next line...
ICH ichScreenStart; // Index of left most character displayed on
// screen for sl ec and index of top most line
// for multiline edit controls
ICH ichLinesOnScreen; // Number of lines we can display on screen
UINT xOffset; // x (horizontal) scroll position in pixels
// (for multiline text horizontal scroll bar)
UINT charPasswordChar; // If non null, display this character instead
// of the real text. So that we can implement
// hidden text fields.
INT cPasswordCharWidth; // Width of password char
HWND hwnd; // Window for this edit control
PWND pwnd; // placeholder for compatability with user's PED struct
RECT rcFmt; // Client rectangle
HWND hwndParent; // Parent of this edit control window
// These vars allow us to automatically scroll
// when the user holds the mouse at the bottom
// of the multiline edit control window.
POINT ptPrevMouse; // Previous point for the mouse for system timer.
UINT prevKeys; // Previous key state for the mouse
UINT fSingle : 1; // Single line edit control? (or multiline)
UINT fNoRedraw : 1; // Redraw in response to a change?
UINT fMouseDown : 1; // Is mouse button down? when moving mouse
UINT fFocus : 1; // Does ec have the focus?
UINT fDirty : 1; // Modify flag for the edit control
UINT fDisabled : 1; // Window disabled?
UINT fNonPropFont : 1; // Fixed width font?
UINT fNonPropDBCS : 1; // Non-Propotional DBCS font
UINT fBorder : 1; // Draw a border?
UINT fAutoVScroll : 1; // Automatically scroll vertically
UINT fAutoHScroll : 1; // Automatically scroll horizontally
UINT fNoHideSel : 1; // Hide sel when we lose focus?
UINT fDBCS : 1; // Are we using DBCS font set for editing?
UINT fFmtLines : 1; // For multiline only. Do we insert CR CR LF at
// word wrap breaks?
UINT fWrap : 1; // Do int wrapping?
UINT fCalcLines : 1; // Recalc ped->chLines array? (recalc line breaks?)
UINT fEatNextChar : 1; // Hack for ALT-NUMPAD stuff with combo boxes.
// If numlock is up, we want to eat the next
// character generated by the keyboard driver
// if user enter num pad ascii value...
UINT fStripCRCRLF : 1; // CRCRLFs have been added to text. Strip them
// before doing any internal edit control stuff
UINT fInDialogBox : 1; // True if the ml edit control is in a dialog
// box and we have to specially treat TABS and ENTER
UINT fReadOnly : 1; // Is this a read only edit control? Only
// allow scrolling, selecting and copying.
UINT fCaretHidden : 1; // This indicates whether the caret is
// currently hidden because the width or height
// of the edit control is too small to show it.
UINT fTrueType : 1; // Is the current font TrueType?
UINT fAnsi : 1; // is the edit control Ansi or unicode
UINT fWin31Compat : 1; // TRUE if created by Windows 3.1 app
UINT f40Compat : 1; // TRUE if created by Windows 4.0 app
UINT fFlatBorder : 1; // Do we have to draw this baby ourself?
UINT fSawRButtonDown : 1; UINT fInitialized : 1; // If any more bits are needed, then
UINT fSwapRoOnUp : 1; // Swap reading order on next keyup
UINT fAllowRTL : 1; // Allow RTL processing
UINT fDisplayCtrl : 1; // Display unicode control characters
UINT fRtoLReading : 1; // Right to left reading order
BOOL fInsertCompChr :1; // means WM_IME_COMPOSITION:CS_INSERTCHAR will come
BOOL fReplaceCompChr :1; // means need to replace current composition str.
BOOL fNoMoveCaret :1; // means stick to current caret pos.
BOOL fResultProcess :1; // means now processing result.
BOOL fKorea :1; // for Korea
BOOL fInReconversion :1; // In reconversion mode
BOOL fLShift :1; // L-Shift pressed with Ctrl
WORD wImeStatus; // current IME status
WORD cbChar; // count of bytes in the char size (1 or 2 if unicode)
LPICH chLines; // index of the start of each line
UINT format; // Left, center, or right justify multiline text.
EDITWORDBREAKPROCA lpfnNextWord; // use CALLWORDBREAKPROC macro to call
// Next word function
INT maxPixelWidth; // WASICH Width (in pixels) of longest line
UNDO; // Undo buffer
HANDLE hFont; // Handle to the font for this edit control.
// Null if system font.
INT aveCharWidth; // Ave width of a character in the hFont
INT lineHeight; // Height of a line in the hFont
INT charOverhang; // Overhang associated with the hFont
INT cxSysCharWidth; // System font ave width
INT cySysCharHeight; // System font height
HWND listboxHwnd; // ListBox hwnd. Non null if we are a combobox
LPINT pTabStops; // Points to an array of tab stops; First
// element contains the number of elements in
// the array
LPINT charWidthBuffer; BYTE charSet; // Character set for currently selected font
// needed for all versions
UINT wMaxNegA; // The biggest negative A width
UINT wMaxNegAcharPos; // and how many characters it can span accross
UINT wMaxNegC; // The biggest negative C width,
UINT wMaxNegCcharPos; // and how many characters it can span accross
UINT wLeftMargin; // Left margin width in pixels.
UINT wRightMargin; // Right margin width in pixels.
ICH ichStartMinSel; ICH ichStartMaxSel;
PLPKEDITCALLOUT pLpkEditCallout; HBITMAP hCaretBitmap; // Current caret bitmap handle
INT iCaretOffset; // Offset in pixels (for LPK use)
HANDLE hInstance; // for WOW
UCHAR seed; // used to encode and decode password text
BOOLEAN fEncoded; // is the text currently encoded
INT iLockLevel; // number of times the text has been locked
BYTE DBCSVector[8]; // DBCS vector table
HIMC hImcPrev; // place to save hImc if we disable IME
POINT ptScreenBounding; // top left corner of edit window in screen
} ED0, *PED0;
typedef struct tagED{ ED0; // lpk callouts expect user32's ped struct
// so for compatability we'll give it to them.
HTHEME hTheme; // Handle to the theme manager
PWW pww; // RO pointer into the pwnd to ExStyle, Style, State, State2
HFONT hFontSave; // saved the font
LPWSTR pszCueBannerText; // pointer to the text for the cue banner (grey help text)
UINT fHot : 1; // Is mouse over edit control?
HWND hwndBalloon; // Balloon tip hwnd for EM_BALLOONTIP
HFONT hFontPassword;} ED, *PED, **PPED;
//
// Edit function prototypes.
//
//
// Defined in edit.c
//
PSTR Edit_Lock(PED);VOID Edit_Unlock(PED);VOID Edit_InOutReconversionMode(PED, BOOL);INT Edit_GetModKeys(INT);UINT Edit_TabTheTextOut(HDC, INT, INT, INT, INT, LPSTR, INT, ICH, PED, INT, BOOL, LPSTRIPINFO);ICH Edit_CchInWidth(PED, HDC, LPSTR, ICH, INT, BOOL);HBRUSH Edit_GetBrush(PED, HDC, LPBOOL);VOID Edit_Word(PED, ICH, BOOL, LPICH, LPICH);VOID Edit_SaveUndo(PUNDO, PUNDO, BOOL);VOID Edit_EmptyUndo(PUNDO);BOOL Edit_InsertText(PED, LPSTR, LPICH);ICH Edit_DeleteText(PED);VOID Edit_NotifyParent(PED, INT);VOID Edit_SetClip(PED, HDC, BOOL);HDC Edit_GetDC(PED, BOOL);VOID Edit_ReleaseDC(PED, HDC, BOOL);VOID Edit_ResetTextInfo(PED);BOOL Edit_SetEditText(PED, LPSTR);VOID Edit_InvalidateClient(PED, BOOL);BOOL Edit_CalcChangeSelection(PED, ICH, ICH, LPSELBLOCK, LPSELBLOCK);INT Edit_GetDBCSVector(PED, HDC, BYTE);LPSTR Edit_AnsiNext(PED, LPSTR);LPSTR Edit_AnsiPrev(PED, LPSTR, LPSTR);ICH Edit_NextIch(PED, LPSTR, ICH);ICH Edit_PrevIch(PED, LPSTR, ICH);BOOL Edit_IsDBCSLeadByte(PED, BYTE);WORD DbcsCombine(HWND, WORD);ICH Edit_AdjustIch(PED, LPSTR, ICH);ICH Edit_AdjustIchNext(PED, LPSTR, ICH);VOID Edit_UpdateFormat(PED, DWORD, DWORD);BOOL Edit_IsFullWidth(DWORD,WCHAR);
__inline LRESULT Edit_ShowBalloonTipWrap(HWND, DWORD, DWORD, DWORD);
//
// Defined in editrare.c
//
INT Edit_GetStateId(PED ped);VOID Edit_SetMargin(PED, UINT, long, BOOL);INT UserGetCharDimensionsEx(HDC, HFONT, LPTEXTMETRICW, LPINT);ICH Edit_GetTextHandler(PED, ICH, LPSTR, BOOL);BOOL Edit_NcCreate(PED, HWND, LPCREATESTRUCT);BOOL Edit_Create(PED ped, LONG windowStyle);VOID Edit_NcDestroyHandler(HWND, PED);VOID Edit_SetPasswordCharHandler(PED, UINT);BOOL GetNegABCwidthInfo(PED ped, HDC hdc);VOID Edit_Size(PED ped, LPRECT lprc, BOOL fRedraw);BOOL Edit_SetFont(PED, HFONT, BOOL);BOOL Edit_IsCharNumeric(PED ped, DWORD keyPress);VOID Edit_EnableDisableIME(PED ped);VOID Edit_ImmSetCompositionWindow(PED ped, LONG, LONG);VOID Edit_SetCompositionFont(PED ped);VOID Edit_InitInsert(PED ped, HKL hkl);VOID Edit_SetCaretHandler(PED ped);LRESULT Edit_ImeComposition(PED ped, WPARAM wParam, LPARAM lParam);BOOL HanjaKeyHandler(PED ped); // Korean Support
LRESULT Edit_RequestHandler(PED, WPARAM, LPARAM); // NT 5.0
//
// Single line Edit function prototypes
//
// Defined in editsl.c
//
INT EditSL_IchToLeftXPos(PED, HDC, ICH);VOID EditSL_SetCaretPosition(PED, HDC);VOID EditSL_DrawText(PED, HDC, ICH);BOOL EditSL_ScrollText(PED, HDC);ICH EditSL_InsertText(PED, LPSTR, ICH);VOID EditSL_ReplaceSel(PED, LPSTR);LRESULT EditSL_WndProc(PED, UINT, WPARAM, LPARAM);
//
// Multi line Edit function prototypes
//
// Defined in editsl.c
//
VOID EditML_Size(PED, BOOL);VOID EditML_SetCaretPosition(PED,HDC);VOID EditML_IchToXYPos(PED, HDC, ICH, BOOL, LPPOINT);VOID EditML_UpdateiCaretLine(PED ped);ICH EditML_InsertText(PED, LPSTR, ICH, BOOL);VOID EditML_ReplaceSel(PED, LPSTR);ICH EditML_DeleteText(PED);VOID EditML_BuildchLines(PED, ICH, int, BOOL, PLONG, PLONG);LONG EditML_Scroll(PED, BOOL, int, int, BOOL);LRESULT EditML_WndProc(PED, UINT, WPARAM, LPARAM);
#endif // __Edit_h__INCLUDED
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