Microsoft/Windows2000
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Windows2000/private/shell/win16/commctrl/cutils.c

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First commit
2001-01-01 00:00:00 +01:00
/*
** CUTILS.C
** Common utilities for common controls
*/
#include "ctlspriv.h"
DWORD API GetProcessDword(DWORD idProcess, int iIndex); // <krnlcmn.h>
#ifdef WIN31
#ifdef SM_CXEDGE
#undef SM_CXEDGE
#undef SM_CYEDGE
#undef SM_CXMINSPACING
#undef SM_CYMINSPACING
#undef SM_CXSMICON
#undef SM_CYSMICON
#undef SM_CYSMCAPTION
#undef SM_CXSMSIZE
#undef SM_CYSMSIZE
#undef SM_CXMENUSIZE
#undef SM_CYMENUSIZE
#undef SM_ARRANGE
#undef SM_USERTYPE
#undef SM_XWORKAREA
#undef SM_YWORKAREA
#undef SM_CXWORKAREA
#undef SM_CYWORKAREA
#undef SM_CYCAPTIONICON
#undef SM_CYSMCAPTIONICON
#undef SM_CXMINIMIZED
#undef SM_CYMINIMIZED
#undef SM_CXMAXTRACK
#undef SM_CYMAXTRACK
#undef SM_CXMAXIMIZED
#undef SM_CYMAXIMIZED
#undef SM_SHOWSOUNDS
#undef SM_KEYBOARDPREF
#undef SM_HIGHCONTRAST
#undef SM_SCREENREADER
#undef SM_CURSORSIZE
#undef SM_CLEANBOOT
#undef SM_CXDRAG
#undef SM_CYDRAG
#undef SM_NETWORK
#undef SM_CXMENUCHECK
#undef SM_CYMENUCHECK
#endif
#endif
// Globals - REVIEW_32
int g_cxEdge;
int g_cyEdge;
int g_cxBorder;
int g_cyBorder;
int g_cxScreen;
int g_cyScreen;
int g_cxFrame;
int g_cyFrame;
int g_cxVScroll;
int g_cyHScroll;
int g_cxIcon, g_cyIcon;
int g_cxIconSpacing, g_cyIconSpacing;
int g_cxIconMargin, g_cyIconMargin;
int g_cyLabelSpace;
int g_cxLabelMargin;
int g_cxDoubleClk;
int g_cyDoubleClk;
int g_cxScrollbar;
int g_cyScrollbar;
COLORREF g_clrWindow;
COLORREF g_clrWindowText;
COLORREF g_clrWindowFrame;
COLORREF g_clrGrayText;
COLORREF g_clrBtnText;
COLORREF g_clrBtnFace;
COLORREF g_clrBtnShadow;
COLORREF g_clrBtnHighlight;
COLORREF g_clrHighlight;
COLORREF g_clrHighlightText;
COLORREF g_clrInfoText;
COLORREF g_clrInfoBk;
HBRUSH g_hbrGrayText;
HBRUSH g_hbrWindow;
HBRUSH g_hbrWindowText;
HBRUSH g_hbrWindowFrame;
HBRUSH g_hbrBtnFace;
HBRUSH g_hbrBtnHighlight;
HBRUSH g_hbrBtnShadow;
HBRUSH g_hbrHighlight;
#ifdef WIN31
HBRUSH g_hbr3DDkShadow;
HBRUSH g_hbr3DFace;
HBRUSH g_hbr3DHilight;
HBRUSH g_hbr3DLight;
HBRUSH g_hbr3DShadow;
HBRUSH g_hbrBtnText;
HBRUSH g_hbrWhite;
HBRUSH g_hbrGray;
HBRUSH g_hbrBlack;
int g_oemInfo_Planes;
int g_oemInfo_BitsPixel;
int g_oemInfo_BitCount;
#endif
HFONT g_hfontSystem;
#define CCS_ALIGN (CCS_TOP | CCS_NOMOVEY | CCS_BOTTOM)
/* Note that the default alignment is CCS_BOTTOM
*/
void FAR PASCAL NewSize(HWND hWnd, int nHeight, LONG style, int left, int top, int width, int height)
{
RECT rc, rcWindow, rcBorder;
/* Resize the window unless the user said not to
*/
if (!(style & CCS_NORESIZE))
{
/* Calculate the borders around the client area of the status bar
*/
GetWindowRect(hWnd, &rcWindow);
rcWindow.right -= rcWindow.left; // -> dx
rcWindow.bottom -= rcWindow.top; // -> dy
GetClientRect(hWnd, &rc);
ClientToScreen(hWnd, (LPPOINT)&rc);
rcBorder.left = rc.left - rcWindow.left;
rcBorder.top = rc.top - rcWindow.top ;
rcBorder.right = rcWindow.right - rc.right - rcBorder.left;
rcBorder.bottom = rcWindow.bottom - rc.bottom - rcBorder.top ;
nHeight += rcBorder.top + rcBorder.bottom;
/* Check whether to align to the parent window
*/
if (style & CCS_NOPARENTALIGN)
{
/* Check out whether this bar is top aligned or bottom aligned
*/
switch (style & CCS_ALIGN)
{
case CCS_TOP:
case CCS_NOMOVEY:
break;
default:
top = top + height - nHeight;
}
}
else
{
/* It is assumed there is a parent by default
*/
GetClientRect(GetParent(hWnd), &rc);
/* Don't forget to account for the borders
*/
left = -rcBorder.left;
width = rc.right + rcBorder.left + rcBorder.right;
if ((style & CCS_ALIGN) == CCS_TOP)
top = -rcBorder.top;
else if ((style & CCS_ALIGN) != CCS_NOMOVEY)
top = rc.bottom - nHeight + rcBorder.bottom;
}
if (!(style & CCS_NOMOVEY) && !(style & CCS_NODIVIDER))
{
top += g_cyEdge; // double pixel edge thing
}
SetWindowPos(hWnd, NULL, left, top, width, nHeight, SWP_NOZORDER);
}
}
BOOL FAR PASCAL MGetTextExtent(HDC hdc, LPCSTR lpstr, int cnt, int FAR * pcx, int FAR * pcy)
{
BOOL fSuccess;
SIZE size = {0,0};
fSuccess=GetTextExtentPoint(hdc, lpstr, cnt, &size);
if (pcx)
*pcx=size.cx;
if (pcy)
*pcy=size.cy;
return fSuccess;
}
// these are the default colors used to map the dib colors
// to the current system colors
#define RGB_BUTTONTEXT (RGB(000,000,000)) // black
#define RGB_BUTTONSHADOW (RGB(128,128,128)) // dark grey
#define RGB_BUTTONFACE (RGB(192,192,192)) // bright grey
#define RGB_BUTTONHILIGHT (RGB(255,255,255)) // white
#define RGB_BACKGROUNDSEL (RGB(000,000,255)) // blue
#define RGB_BACKGROUND (RGB(255,000,255)) // magenta
#define FlipColor(rgb) (RGB(GetBValue(rgb), GetGValue(rgb), GetRValue(rgb)))
#define MAX_COLOR_MAPS 16
// BUGBUG: can we just nuke this function and use LoadImage(..., LR_MAP3DCOLORS)???????
HBITMAP WINAPI CreateMappedBitmap(HINSTANCE hInstance, int idBitmap,
UINT wFlags, LPCOLORMAP lpColorMap, int iNumMaps)
{
HDC hdc, hdcMem = NULL;
HANDLE h;
DWORD FAR *p;
DWORD FAR *lpTable;
LPSTR lpBits;
HANDLE hRes;
LPBITMAPINFOHEADER lpBitmapInfo;
HBITMAP hbm = NULL, hbmOld;
int numcolors, i;
int wid, hgt;
HANDLE hMunge;
LPBITMAPINFOHEADER lpMungeInfo;
int offBits;
DWORD rgbMaskTable[16];
DWORD rgbBackground;
static const COLORMAP SysColorMap[] = {
{RGB_BUTTONTEXT, COLOR_BTNTEXT}, // black
{RGB_BUTTONSHADOW, COLOR_BTNSHADOW}, // dark grey
{RGB_BUTTONFACE, COLOR_BTNFACE}, // bright grey
{RGB_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
{RGB_BACKGROUNDSEL, COLOR_HIGHLIGHT}, // blue
{RGB_BACKGROUND, COLOR_WINDOW} // magenta
};
#define NUM_DEFAULT_MAPS (sizeof(SysColorMap)/sizeof(COLORMAP))
COLORMAP DefaultColorMap[NUM_DEFAULT_MAPS];
COLORMAP DIBColorMap[MAX_COLOR_MAPS];
h = FindResource(hInstance, MAKEINTRESOURCE(idBitmap), RT_BITMAP);
if (!h)
return NULL;
hRes = LoadResource(hInstance, h);
/* Lock the bitmap and get a pointer to the color table. */
lpBitmapInfo = (LPBITMAPINFOHEADER)LockResource(hRes);
if (!lpBitmapInfo)
return NULL;
// munge on a copy of the color table instead of the original
// (prevent possibility of "reload" with messed table
offBits = (int)lpBitmapInfo->biSize + ((1 << (lpBitmapInfo->biBitCount)) * sizeof(RGBQUAD));
hMunge = GlobalAlloc(GMEM_MOVEABLE, offBits);
if (!hMunge)
goto Exit1;
lpMungeInfo = GlobalLock(hMunge);
hmemcpy(lpMungeInfo, lpBitmapInfo, offBits);
/* Get system colors for the default color map */
if (!lpColorMap) {
lpColorMap = DefaultColorMap;
iNumMaps = NUM_DEFAULT_MAPS;
for (i=0; i < iNumMaps; i++) {
lpColorMap[i].from = SysColorMap[i].from;
lpColorMap[i].to = GetSysColor((int)SysColorMap[i].to);
}
}
/* Transform RGB color map to a BGR DIB format color map */
if (iNumMaps > MAX_COLOR_MAPS)
iNumMaps = MAX_COLOR_MAPS;
for (i=0; i < iNumMaps; i++) {
DIBColorMap[i].to = FlipColor(lpColorMap[i].to);
DIBColorMap[i].from = FlipColor(lpColorMap[i].from);
}
// use the table in the munging buffer
lpTable = p = (DWORD FAR *)(((LPSTR)lpMungeInfo) + lpMungeInfo->biSize);
/* Replace button-face and button-shadow colors with the current values
*/
numcolors = 16;
// if we are creating a mask, build a color table with white
// marking the transparent section (where it used to be background)
// and black marking the opaque section (everything else). this
// table is used below to build the mask using the original DIB bits.
if (wFlags & CMB_MASKED) {
rgbBackground = FlipColor(RGB_BACKGROUND);
for (i = 0; i < 16; i++) {
if (p[i] == rgbBackground)
rgbMaskTable[i] = 0xFFFFFF; // transparent section
else
rgbMaskTable[i] = 0x000000; // opaque section
}
}
while (numcolors-- > 0) {
for (i = 0; i < iNumMaps; i++) {
if ((*p & 0x00FFFFFF) == DIBColorMap[i].from) {
*p = DIBColorMap[i].to;
break;
}
}
p++;
}
/* First skip over the header structure */
lpBits = (LPSTR)(lpBitmapInfo) + offBits;
/* Create a color bitmap compatible with the display device */
i = wid = (int)lpBitmapInfo->biWidth;
hgt = (int)lpBitmapInfo->biHeight;
hdc = GetDC(NULL);
hdcMem = CreateCompatibleDC(hdc);
if (!hdcMem)
goto cleanup;
// if creating a mask, the bitmap needs to be twice as wide.
if (wFlags & CMB_MASKED)
i = wid*2;
// discardable bitmaps aren't much use anymore...
// if (wFlags & CMB_DISCARDABLE)
// hbm = CreateDiscardableBitmap(hdc, i, hgt);
// else
hbm = CreateCompatibleBitmap(hdc, i, hgt);
if (hbm) {
hbmOld = SelectObject(hdcMem, hbm);
// set the main image
StretchDIBits(hdcMem, 0, 0, wid, hgt, 0, 0, wid, hgt, lpBits,
(LPBITMAPINFO)lpMungeInfo, DIB_RGB_COLORS, SRCCOPY);
// if building a mask, replace the DIB's color table with the
// mask's black/white table and set the bits. in order to
// complete the masked effect, the actual image needs to be
// modified so that it has the color black in all sections
// that are to be transparent.
if (wFlags & CMB_MASKED) {
hmemcpy(lpTable, (DWORD FAR *)rgbMaskTable, 16 * sizeof(RGBQUAD));
StretchDIBits(hdcMem, wid, 0, wid, hgt, 0, 0, wid, hgt, lpBits,
(LPBITMAPINFO)lpMungeInfo, DIB_RGB_COLORS, SRCCOPY);
BitBlt(hdcMem, 0, 0, wid, hgt, hdcMem, wid, 0, 0x00220326); // DSna
}
SelectObject(hdcMem, hbmOld);
}
cleanup:
if (hdcMem)
DeleteObject(hdcMem);
ReleaseDC(NULL, hdc);
GlobalUnlock(hMunge);
GlobalFree(hMunge);
Exit1:
UnlockResource(hRes);
FreeResource(hRes);
return hbm;
}
// moved from shelldll\dragdrop.c
// should caller pass in message that indicates termination
// (WM_LBUTTONUP, WM_RBUTTONUP)?
// in:
// hwnd to do check on
// x, y in client coordinates
// returns:
// TRUE the user began to drag (moved mouse outside double click rect)
// FALSE mouse came up inside click rect
// BUGBUG, should support VK_ESCAPE to cancel
BOOL FAR PASCAL CheckForDragBegin(HWND hwnd, int x, int y)
{
RECT rc;
MSG32 msg32;
int dxClickRect, dyClickRect;
dxClickRect = g_cxDoubleClk; // / 2;
dyClickRect = g_cyDoubleClk; // / 2;
// See if the user moves a certain number of pixels in any direction
SetRect(&rc, x - dxClickRect, y - dyClickRect,
x + dxClickRect, y + dyClickRect);
MapWindowPoints(hwnd, NULL, (LPPOINT)&rc, 2);
SetCapture(hwnd);
do {
if (PeekMessage32(&msg32, NULL, 0, 0, PM_REMOVE, TRUE))
{
// See if the application wants to process the message...
if (CallMsgFilter32(&msg32, MSGF_COMMCTRL_BEGINDRAG, TRUE) != 0)
continue;
switch (msg32.message) {
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
ReleaseCapture();
return FALSE;
case WM_MOUSEMOVE:
if (!PtInRect(&rc, msg32.pt)) {
ReleaseCapture();
return TRUE;
}
break;
default:
TranslateMessage32(&msg32, TRUE);
DispatchMessage32(&msg32, TRUE);
break;
}
}
// WM_CANCELMODE messages will unset the capture, in that
// case I want to exit this loop
} while (GetCapture() == hwnd);
return FALSE;
}
/* Regular StrToInt; stops at first non-digit. */
int WINAPI StrToInt(LPCSTR lpSrc) // atoi()
{
#define ISDIGIT(c) ((c) >= '0' && (c) <= '9')
int n = 0;
BOOL bNeg = FALSE;
if (*lpSrc == '-') {
bNeg = TRUE;
lpSrc++;
}
while (ISDIGIT(*lpSrc)) {
n *= 10;
n += *lpSrc - '0';
lpSrc++;
}
return bNeg ? -n : n;
}
#undef StrToLong
#ifdef WIN32
LONG WINAPI StrToLong(LPCSTR lpSrc) // atoi()
{
return StrToInt(lpSrc);
}
#else
/* Regular StrToLong; stops at first non-digit. */
LONG WINAPI StrToLong(LPCSTR lpSrc) // atoi()
{
#define ISDIGIT(c) ((c) >= '0' && (c) <= '9')
LONG n = 0;
BOOL bNeg = FALSE;
if (*lpSrc == '-') {
bNeg = TRUE;
lpSrc++;
}
while (ISDIGIT(*lpSrc)) {
n *= 10;
n += *lpSrc - '0';
lpSrc++;
}
return bNeg ? -n : n;
}
#endif
#pragma code_seg(CODESEG_INIT)
// wParam is from WM_WININICHANGE (new for chicago)
void FAR PASCAL InitGlobalMetrics(WPARAM wParam)
{
// bug fix HACK: these are NOT members of USER's NONCLIENTMETRICS struct
g_cxIcon = GetSystemMetrics(SM_CXICON);
g_cyIcon = GetSystemMetrics(SM_CYICON);
g_cxIconSpacing = GetSystemMetrics(SM_CXICONSPACING);
g_cyIconSpacing = GetSystemMetrics(SM_CYICONSPACING);
// BUGBUG: some of these are also not members of NONCLIENTMETRICS
if ((wParam == 0) || (wParam == SPI_SETNONCLIENTMETRICS))
{
// REVIEW, make sure all these vars are used somewhere.
#ifndef WIN31
NONCLIENTMETRICS ncm;
g_cxEdge = GetSystemMetrics(SM_CXEDGE);
g_cyEdge = GetSystemMetrics(SM_CYEDGE);
#else
g_cxEdge = 2;
g_cyEdge = 2;
#endif
g_cxBorder = GetSystemMetrics(SM_CXBORDER);
g_cyBorder = GetSystemMetrics(SM_CYBORDER);
g_cxScreen = GetSystemMetrics(SM_CXSCREEN);
g_cyScreen = GetSystemMetrics(SM_CYSCREEN);
g_cxFrame = GetSystemMetrics(SM_CXFRAME);
g_cyFrame = GetSystemMetrics(SM_CYFRAME);
#ifndef WIN31
ncm.cbSize = sizeof(ncm);
SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0);
g_cxVScroll = g_cxScrollbar = (int)ncm.iScrollWidth;
g_cyHScroll = g_cyScrollbar = (int)ncm.iScrollHeight;
#else
g_cxVScroll = g_cxScrollbar = GetSystemMetrics(SM_CXVSCROLL);
g_cyHScroll = g_cyScrollbar = GetSystemMetrics(SM_CYHSCROLL);
#endif
// this is true for 4.0 modules only
// for 3.x modules user lies and adds one to these values
// Assert(g_cxVScroll == GetSystemMetrics(SM_CXVSCROLL));
// Assert(g_cyHScroll == GetSystemMetrics(SM_CYHSCROLL));
g_cxIconMargin = g_cxBorder * 8;
g_cyIconMargin = g_cyBorder * 2;
g_cyLabelSpace = g_cyIconMargin + (g_cyBorder * 2);
g_cxLabelMargin = g_cxBorder * 2;
g_cxDoubleClk = GetSystemMetrics(SM_CXDOUBLECLK);
g_cyDoubleClk = GetSystemMetrics(SM_CYDOUBLECLK);
}
}
void FAR PASCAL InitGlobalColors()
{
g_clrWindow = GetSysColor(COLOR_WINDOW);
g_clrWindowText = GetSysColor(COLOR_WINDOWTEXT);
g_clrWindowFrame = GetSysColor(COLOR_WINDOWFRAME);
g_clrGrayText = GetSysColor(COLOR_GRAYTEXT);
g_clrBtnText = GetSysColor(COLOR_BTNTEXT);
g_clrBtnFace = GetSysColor(COLOR_BTNFACE);
g_clrBtnShadow = GetSysColor(COLOR_BTNSHADOW);
g_clrBtnHighlight = GetSysColor(COLOR_BTNHIGHLIGHT);
g_clrHighlight = GetSysColor(COLOR_HIGHLIGHT);
g_clrHighlightText = GetSysColor(COLOR_HIGHLIGHTTEXT);
#ifndef WIN31
g_clrInfoText = GetSysColor(COLOR_INFOTEXT);
g_clrInfoBk = GetSysColor(COLOR_INFOBK);
g_hbrGrayText = GetSysColorBrush(COLOR_GRAYTEXT);
g_hbrWindow = GetSysColorBrush(COLOR_WINDOW);
g_hbrWindowText = GetSysColorBrush(COLOR_WINDOWTEXT);
g_hbrWindowFrame = GetSysColorBrush(COLOR_WINDOWFRAME);
g_hbrBtnFace = GetSysColorBrush(COLOR_BTNFACE);
g_hbrBtnHighlight = GetSysColorBrush(COLOR_BTNHIGHLIGHT);
g_hbrBtnShadow = GetSysColorBrush(COLOR_BTNSHADOW);
g_hbrHighlight = GetSysColorBrush(COLOR_HIGHLIGHT);
#else // WIN31
if (!g_hbrGrayText)
{
g_clrInfoText = RGB(0,0,0);
g_clrInfoBk = RGB(255,255,255);
// Init these brushes if they haven't already been init'ed.
g_hbrGrayText = CreateSolidBrush(g_clrGrayText);
g_hbrWindow = CreateSolidBrush(g_clrWindow);
g_hbrWindowText = CreateSolidBrush(g_clrWindowText);
g_hbrWindowFrame = CreateSolidBrush(g_clrWindowFrame);
g_hbrBtnFace = CreateSolidBrush(g_clrBtnFace);
g_hbrBtnHighlight = CreateSolidBrush(g_clrBtnHighlight);
g_hbrBtnShadow = CreateSolidBrush(g_clrBtnShadow);
g_hbrHighlight = CreateSolidBrush(g_clrHighlight);
g_hbrBtnText = CreateSolidBrush(g_clrBtnText);
g_hbrWhite = CreateSolidBrush(RGB(255,255,255));
g_hbrGray = CreateSolidBrush(RGB(127,127,127));
g_hbrBlack = CreateSolidBrush(RGB(0,0,0));
// these system colors don't exist for win31...
g_hbr3DFace = CreateSolidBrush(g_clrBtnFace);
g_hbr3DShadow = CreateSolidBrush(g_clrBtnShadow);
g_hbr3DHilight = CreateSolidBrush(RGB_3DHILIGHT);
g_hbr3DLight = CreateSolidBrush(RGB_3DLIGHT);
g_hbr3DDkShadow = CreateSolidBrush(RGB_3DDKSHADOW);
}
// oem info for drawing routines
{
// Get the (Planes * BitCount) for the current device
HDC hdcScreen = GetDC(NULL);
g_oemInfo_Planes = GetDeviceCaps(hdcScreen, PLANES);
g_oemInfo_BitsPixel = GetDeviceCaps(hdcScreen, BITSPIXEL);
g_oemInfo_BitCount = g_oemInfo_Planes * g_oemInfo_BitsPixel;
ReleaseDC(NULL,hdcScreen);
}
#endif //WIN31
g_hfontSystem = GetStockObject(SYSTEM_FONT);
}
void FAR PASCAL ReInitGlobalColors()
{
DestroyGlobalColors();
InitGlobalColors();
}
void FAR PASCAL DestroyGlobalColors()
{
#ifdef WIN31
if (g_hbrGrayText)
DeleteObject(g_hbrGrayText);
if (g_hbrWindow)
DeleteObject(g_hbrWindow);
if (g_hbrWindowText)
DeleteObject(g_hbrWindowText);
if (g_hbrWindowFrame)
DeleteObject(g_hbrWindowFrame);
if (g_hbrBtnFace)
DeleteObject(g_hbrBtnFace);
if (g_hbrBtnHighlight)
DeleteObject(g_hbrBtnHighlight);
if (g_hbrBtnShadow)
DeleteObject(g_hbrBtnShadow);
if (g_hbrHighlight)
DeleteObject(g_hbrHighlight);
if (g_hbrBtnText)
DeleteObject(g_hbrBtnText);
if (g_hbrWhite)
DeleteObject(g_hbrWhite);
if (g_hbrGray)
DeleteObject(g_hbrGray);
if (g_hbrBlack)
DeleteObject(g_hbrBlack);
if (g_hbr3DFace)
DeleteObject(g_hbr3DFace);
if (g_hbr3DShadow)
DeleteObject(g_hbr3DShadow);
if (g_hbr3DHilight)
DeleteObject(g_hbr3DHilight);
if (g_hbr3DLight)
DeleteObject(g_hbr3DLight);
if (g_hbr3DDkShadow)
DeleteObject(g_hbr3DDkShadow);
g_hbrGrayText = NULL;
g_hbrWindow = NULL;
g_hbrWindowText = NULL;
g_hbrWindowFrame = NULL;
g_hbrBtnFace = NULL;
g_hbrBtnHighlight = NULL;
g_hbrBtnShadow = NULL;
g_hbrHighlight = NULL;
g_hbrBtnText = NULL;
g_hbrWhite = NULL;
g_hbrGray = NULL;
g_hbrBlack = NULL;
g_hbr3DFace = NULL;
g_hbr3DShadow = NULL;
g_hbr3DHilight = NULL;
g_hbr3DLight = NULL;
g_hbr3DDkShadow = NULL;
#endif //WIN31
}
#pragma code_seg()
void FAR PASCAL RelayToToolTips(HWND hwndToolTips, HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
{
if(hwndToolTips) {
MSG msg;
msg.lParam = lParam;
msg.wParam = wParam;
msg.message = wMsg;
msg.hwnd = hWnd;
SendMessage(hwndToolTips, TTM_RELAYEVENT, 0, (LPARAM)(LPMSG)&msg);
}
}
#define DT_SEARCHTIMEOUT 1000L // 1 seconds
int g_iIncrSearchFailed = 0;
static LPSTR s_pszCharBuf = NULL;
static int s_ichCharBuf = 0;
static DWORD s_timeLast = 0L;
#ifdef FE_IME
static BOOL s_fReplaceCompChar = FALSE;
#endif
int FAR PASCAL GetIncrementSearchString(LPSTR lpsz)
{
if (GetMessageTime() - s_timeLast > DT_SEARCHTIMEOUT)
{
g_iIncrSearchFailed = 0;
s_ichCharBuf = 0;
}
if (s_ichCharBuf && lpsz) {
lstrcpyn(lpsz, s_pszCharBuf, s_ichCharBuf + 1);
lpsz[s_ichCharBuf] = 0;
}
return s_ichCharBuf;
}
#ifdef FE_IME
// Now only Korean version is interested in incremental search with composition string.
BOOL FAR PASCAL IncrementSearchImeCompStr(BOOL fCompStr, LPSTR lpszCompStr, LPSTR FAR *lplpstr)
{
static int cbCharBuf = 0;
BOOL fRestart = FALSE;
if (!s_fReplaceCompChar && GetMessageTime() - s_timeLast > DT_SEARCHTIMEOUT)
{
g_iIncrSearchFailed = 0;
s_ichCharBuf = 0;
}
if (s_ichCharBuf == 0)
{
fRestart = TRUE;
s_fReplaceCompChar = FALSE;
}
s_timeLast = GetMessageTime();
// Is there room for new character plus zero terminator?
if (!s_fReplaceCompChar && s_ichCharBuf + 2 + 1 > cbCharBuf)
{
LPSTR psz = ReAlloc(s_pszCharBuf, cbCharBuf + 16);
if (!psz)
return fRestart;
cbCharBuf += 16;
s_pszCharBuf = psz;
}
if (s_fReplaceCompChar)
{
if (lpszCompStr[0])
{
s_pszCharBuf[s_ichCharBuf-2] = lpszCompStr[0];
s_pszCharBuf[s_ichCharBuf-1] = lpszCompStr[1];
s_pszCharBuf[s_ichCharBuf] = 0;
}
else
{
s_ichCharBuf -= 2;
s_pszCharBuf[s_ichCharBuf] = 0;
}
}
else
{
s_pszCharBuf[s_ichCharBuf++] = lpszCompStr[0];
s_pszCharBuf[s_ichCharBuf++] = lpszCompStr[1];
s_pszCharBuf[s_ichCharBuf] = 0;
}
s_fReplaceCompChar = (fCompStr && lpszCompStr[0]);
if (s_ichCharBuf == 2 && s_fReplaceCompChar)
fRestart = TRUE;
*lplpstr = s_pszCharBuf;
return fRestart;
}
#endif
BOOL FAR PASCAL IncrementSearchString(UINT ch, LPSTR FAR *lplpstr)
{
// BUGBUG:: review the use of all these statics. Not a major problem
// as basically we will not use them if we time out between characters
// (1/4 second)
static int cbCharBuf = 0;
BOOL fRestart = FALSE;
if (!ch) {
s_ichCharBuf =0;
g_iIncrSearchFailed = 0;
return FALSE;
}
if (GetMessageTime() - s_timeLast > DT_SEARCHTIMEOUT)
{
g_iIncrSearchFailed = 0;
s_ichCharBuf = 0;
}
if (s_ichCharBuf == 0)
fRestart = TRUE;
s_timeLast = GetMessageTime();
// Is there room for new character plus zero terminator?
if (s_ichCharBuf + 1 + 1 > cbCharBuf)
{
LPSTR psz = ReAlloc(s_pszCharBuf, cbCharBuf + 16);
if (!psz)
return fRestart;
cbCharBuf += 16;
s_pszCharBuf = psz;
}
s_pszCharBuf[s_ichCharBuf++] = ch;
s_pszCharBuf[s_ichCharBuf] = 0;
*lplpstr = s_pszCharBuf;
return fRestart;
}
// strips out the accelerators. they CAN be the same buffers.
void PASCAL StripAccelerators(LPSTR lpszFrom, LPSTR lpszTo)
{
BOOL fRet = FALSE;
while ( *lpszTo = *lpszFrom ) {
#ifdef DBCS
if (IsDBCSLeadByte(*lpszFrom)) {
(*((WORD FAR*)lpszTo)) = (*((WORD FAR *)lpszFrom));
lpszTo += 2;
lpszFrom += 2;
continue;
}
if ((*lpszFrom == '(') && (*(lpszFrom+1)==CH_PREFIX)){
int i;
for(i=0; i<4 && *lpszFrom;i++, lpszFrom++)
;
if (*lpszFrom == '\0') {
*lpszTo = 0;
break;
}
continue;
}
#endif
if (*lpszFrom == '\t') {
*lpszTo = 0;
break;
}
if ( (*lpszFrom++ != CH_PREFIX) || (*lpszFrom == CH_PREFIX) ) {
lpszTo++;
}
}
}
#ifdef IEWIN31_25
// common control info helpers
void FAR PASCAL CIInitialize(LPCONTROLINFO lpci, HWND hwnd, LPCREATESTRUCT lpcs)
{
InitGlobalMetrics(0);
lpci->hwnd = hwnd;
lpci->hwndParent = lpcs->hwndParent;
lpci->style = lpcs->style;
#if TODO
lpci->uiCodePage = CP_ACP;
#endif
lpci->bUnicode = (SendMessage (lpci->hwndParent, WM_NOTIFYFORMAT,
(WPARAM)lpci->hwnd, NF_QUERY) == NFR_UNICODE);
}
LRESULT FAR PASCAL CIHandleNotifyFormat(LPCONTROLINFO lpci, LPARAM lParam)
{
if (lParam == NF_QUERY) {
#ifdef UNICODE
return NFR_UNICODE;
#else
return NFR_ANSI;
#endif
} else if (lParam == NF_REQUERY) {
UINT uiResult;
uiResult = SendMessage (lpci->hwndParent, WM_NOTIFYFORMAT,
(WPARAM)lpci->hwnd, NF_QUERY);
lpci->bUnicode = (uiResult == NFR_UNICODE);
return uiResult;
}
return 0;
}
BOOL CCForwardEraseBackground(HWND hwnd, HDC hdc)
{
HWND hwndParent = GetParent(hwnd);
LRESULT lres = 0;
if (hwndParent)
{
// Adjust the origin so the parent paints in the right place
POINT pt = {0,0};
MapWindowPoints(hwnd, hwndParent, &pt, 1);
OffsetWindowOrgEx(hdc, pt.x, pt.y, &pt);
lres = SendMessage(hwndParent, WM_ERASEBKGND, (WPARAM) hdc, 0L);
SetWindowOrgEx(hdc, pt.x, pt.y, NULL);
}
return(lres != 0);
}
#endif //IEWIN31_25
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