Implemented DrawTextW as Unicode and DrawTextA as call to DrawTextW.

This commit is contained in:
Gerard Patel 2000-12-11 03:39:08 +00:00 committed by Alexandre Julliard
parent 1df0d36592
commit 158e2cb6cb

View File

@ -10,6 +10,7 @@
#include "windef.h"
#include "wingdi.h"
#include "wine/winuser16.h"
#include "wine/unicode.h"
#include "winbase.h"
#include "winerror.h"
#include "winnls.h"
@ -29,6 +30,12 @@ DEFAULT_DEBUG_CHANNEL(text);
#define FORWARD_SLASH '/'
#define BACK_SLASH '\\'
static const WCHAR SPACEW[] = {' ', 0};
static const WCHAR oW[] = {'o', 0};
static const WCHAR ELLIPSISW[] = {'.','.','.', 0};
static const WCHAR FORWARD_SLASHW[] = {'/', 0};
static const WCHAR BACK_SLASHW[] = {'\\', 0};
#define SWAP_INT(a,b) { int t = a; a = b; b = t; }
static int tabstop = 8;
@ -36,8 +43,8 @@ static int tabwidth;
static int spacewidth;
static int prefix_offset;
static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
char *dest, int *len, int width, WORD format)
static const WCHAR *TEXT_NextLineW( HDC hdc, const WCHAR *str, int *count,
WCHAR *dest, int *len, int width, WORD format)
{
/* Return next line of text from a string.
*
@ -88,7 +95,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
(format & DT_WORDBREAK))
{
if (!GetTextExtentPointA(hdc, &dest[j-1], 1, &size))
if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
return NULL;
plen += size.cx;
}
@ -108,7 +115,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
(format & DT_WORDBREAK))
{
if (!GetTextExtentPointA(hdc, &dest[j-1], 1, &size))
if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
return NULL;
plen += size.cx;
}
@ -121,7 +128,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
wb_j = j;
wb_count = *count;
if (!GetTextExtentPointA(hdc, &dest[lasttab], j - lasttab, &size))
if (!GetTextExtentPointW(hdc, &dest[lasttab], j - lasttab, &size))
return NULL;
numspaces = (tabwidth - size.cx) / spacewidth;
@ -136,7 +143,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
(format & DT_WORDBREAK))
{
if (!GetTextExtentPointA(hdc, &dest[j-1], 1, &size))
if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
return NULL;
plen += size.cx;
}
@ -151,7 +158,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
wb_i = i;
wb_j = j - 1;
wb_count = *count;
if (!GetTextExtentPointA(hdc, &dest[j-1], 1, &size))
if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
return NULL;
plen += size.cx;
}
@ -162,7 +169,7 @@ static const char *TEXT_NextLine( HDC hdc, const char *str, int *count,
if (!(format & DT_NOCLIP) || !(format & DT_NOPREFIX) ||
(format & DT_WORDBREAK))
{
if (!GetTextExtentPointA(hdc, &dest[j-1], 1, &size))
if (!GetTextExtentPointW(hdc, &dest[j-1], 1, &size))
return NULL;
plen += size.cx;
}
@ -216,31 +223,37 @@ INT16 WINAPI DrawText16( HDC16 hdc, LPCSTR str, INT16 count, LPRECT16 rect, UINT
/***********************************************************************
* DrawTextA (USER32.164)
* DrawTextExW (USER32.166)
*/
INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags )
INT WINAPI DrawTextExW( HDC hdc, LPCWSTR str, INT i_count,
LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
{
SIZE size;
const char *strPtr;
static char line[1024];
const WCHAR *strPtr;
static WCHAR line[1024];
int len, lh, count=i_count;
int prefix_x = 0;
int prefix_end = 0;
TEXTMETRICA tm;
TEXTMETRICW tm;
int x = rect->left, y = rect->top;
int width = rect->right - rect->left;
int max_width = 0;
TRACE("%s, %d , [(%d,%d),(%d,%d)]\n",
debugstr_an (str, count), count,
debugstr_wn (str, count), count,
rect->left, rect->top, rect->right, rect->bottom);
if(dtp) {
FIXME("Ignores params:%d,%d,%d,%d\n",dtp->cbSize,
dtp->iTabLength,dtp->iLeftMargin,dtp->iRightMargin);
}
if (!str) return 0;
if (count == -1) count = strlen(str);
if (count == -1) count = strlenW(str);
if (count == 0) return 0;
strPtr = str;
GetTextMetricsA(hdc, &tm);
GetTextMetricsW(hdc, &tm);
if (flags & DT_EXTERNALLEADING)
lh = tm.tmHeight + tm.tmExternalLeading;
else
@ -251,9 +264,9 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
if (flags & DT_EXPANDTABS)
{
GetTextExtentPointA(hdc, " ", 1, &size);
GetTextExtentPointW(hdc, SPACEW, 1, &size);
spacewidth = size.cx;
GetTextExtentPointA(hdc, "o", 1, &size);
GetTextExtentPointW(hdc, oW, 1, &size);
tabwidth = size.cx * tabstop;
}
@ -262,17 +275,17 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
do
{
prefix_offset = -1;
strPtr = TEXT_NextLine(hdc, strPtr, &count, line, &len, width, flags);
strPtr = TEXT_NextLineW(hdc, strPtr, &count, line, &len, width, flags);
if (prefix_offset != -1)
{
GetTextExtentPointA(hdc, line, prefix_offset, &size);
GetTextExtentPointW(hdc, line, prefix_offset, &size);
prefix_x = size.cx;
GetTextExtentPointA(hdc, line, prefix_offset + 1, &size);
GetTextExtentPointW(hdc, line, prefix_offset + 1, &size);
prefix_end = size.cx - 1;
}
if (!GetTextExtentPointA(hdc, line, len, &size)) return 0;
if (!GetTextExtentPointW(hdc, line, len, &size)) return 0;
if (flags & DT_CENTER) x = (rect->left + rect->right -
size.cx) / 2;
else if (flags & DT_RIGHT) x = rect->right - size.cx;
@ -285,9 +298,9 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
if (flags & (DT_PATH_ELLIPSIS | DT_END_ELLIPSIS | DT_WORD_ELLIPSIS))
{
char swapStr[sizeof(line)];
char* fnameDelim = NULL;
int totalLen = i_count >= 0 ? i_count : strlen(str);
WCHAR swapStr[sizeof(line)];
WCHAR* fnameDelim = NULL;
int totalLen = i_count >= 0 ? i_count : strlenW(str);
if (size.cx > width)
{
@ -301,11 +314,12 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
if (flags & DT_PATH_ELLIPSIS)
{
char* lastBkSlash = NULL;
char* lastFwdSlash = NULL;
strncpy(line, str, totalLen); line[totalLen] = '\0';
lastBkSlash = strrchr(line, BACK_SLASH);
lastFwdSlash = strrchr(line, FORWARD_SLASH);
WCHAR* lastBkSlash = NULL;
WCHAR* lastFwdSlash = NULL;
strncpyW(line, str, totalLen);
line[totalLen] = '\0';
lastBkSlash = strrchrW(line, BACK_SLASHW[0]);
lastFwdSlash = strrchrW(line, FORWARD_SLASHW[0]);
fnameDelim = lastFwdSlash ? lastFwdSlash : lastBkSlash;
if (lastBkSlash && lastFwdSlash) /* which is last? */
if (lastBkSlash > lastFwdSlash)
@ -314,25 +328,25 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
if (fnameDelim)
fnameLen = &line[totalLen] - fnameDelim;
else
fnameDelim = (char*)str;
fnameDelim = (WCHAR*)str;
strcpy(swapStr, ELLIPSIS);
strncat(swapStr, fnameDelim, fnameLen);
strcpyW(swapStr, ELLIPSISW);
strncpyW(swapStr+strlenW(swapStr), fnameDelim, fnameLen);
swapStr[fnameLen+3] = '\0';
strncat(swapStr, str, totalLen - fnameLen);
strncpyW(swapStr+strlenW(swapStr), str, totalLen - fnameLen);
swapStr[totalLen+3] = '\0';
}
else /* DT_END_ELLIPSIS | DT_WORD_ELLIPSIS */
{
strcpy(swapStr, ELLIPSIS);
strncat(swapStr, str, totalLen);
strcpyW(swapStr, ELLIPSISW);
strncpyW(swapStr+strlenW(swapStr), str, totalLen);
}
TEXT_NextLine(hdc, swapStr, &count, line, &len, width, flags);
TEXT_NextLineW(hdc, swapStr, &count, line, &len, width, flags);
/* if only the ELLIPSIS will fit, just let it be clipped */
len = max(3, len);
GetTextExtentPointA(hdc, line, len, &size);
GetTextExtentPointW(hdc, line, len, &size);
/* FIXME:
* NextLine uses GetTextExtentPoint for each character,
@ -344,26 +358,26 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
while ((size.cx > width) && (len > 3))
{
line[--len] = '\0';
GetTextExtentPointA(hdc, line, len, &size);
GetTextExtentPointW(hdc, line, len, &size);
}
if (fnameLen < len-3) /* some of the path will fit */
{
/* put the ELLIPSIS between the path and filename */
strncpy(swapStr, &line[fnameLen+3], len-3-fnameLen);
strncpyW(swapStr, &line[fnameLen+3], len-3-fnameLen);
swapStr[len-3-fnameLen] = '\0';
strcat(swapStr, ELLIPSIS);
strncat(swapStr, &line[3], fnameLen);
strcatW(swapStr, ELLIPSISW);
strncpyW(swapStr+strlenW(swapStr), &line[3], fnameLen);
}
else
{
/* move the ELLIPSIS to the end */
strncpy(swapStr, &line[3], len-3);
strncpyW(swapStr, &line[3], len-3);
swapStr[len-3] = '\0';
strcat(swapStr, ELLIPSIS);
strcpyW(swapStr+strlenW(swapStr), ELLIPSISW);
}
strncpy(line, swapStr, len);
strncpyW(line, swapStr, len);
line[len] = '\0';
strPtr = NULL;
}
@ -371,7 +385,7 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
}
if (!(flags & DT_CALCRECT))
{
if (!ExtTextOutA(hdc, x, y, (flags & DT_NOCLIP) ? 0 : ETO_CLIPPED,
if (!ExtTextOutW(hdc, x, y, (flags & DT_NOCLIP) ? 0 : ETO_CLIPPED,
rect, line, len, NULL )) return 0;
if (prefix_offset != -1)
{
@ -405,6 +419,27 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
return y - rect->top;
}
/***********************************************************************
* DrawTextA (USER32.164)
*/
INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT count, LPRECT rect, UINT flags )
{
WCHAR *wstr;
INT ret = 0;
DWORD wcount;
if (count == -1) count = strlen(str);
if (!count) return 0;
wcount = MultiByteToWideChar( CP_ACP, 0, str, count, NULL, 0 );
wstr = HeapAlloc(GetProcessHeap(), 0, wcount * sizeof(WCHAR));
if (wstr)
{
MultiByteToWideChar( CP_ACP, 0, str, count, wstr, wcount );
ret = DrawTextExW( hdc, wstr, wcount, rect, flags, NULL );
HeapFree(GetProcessHeap(), 0, wstr);
}
return ret;
}
/***********************************************************************
* DrawTextW (USER32.167)
@ -412,19 +447,7 @@ INT WINAPI DrawTextA( HDC hdc, LPCSTR str, INT i_count, LPRECT rect, UINT flags
INT WINAPI DrawTextW( HDC hdc, LPCWSTR str, INT count,
LPRECT rect, UINT flags )
{
LPSTR p;
INT acount;
INT ret;
UINT codepage = CP_ACP; /* FIXME: get codepage of font charset */
acount = WideCharToMultiByte(codepage,0,str,count,NULL,0,NULL,NULL);
p = HeapAlloc( GetProcessHeap(), 0, acount );
acount = WideCharToMultiByte(codepage,0,str,count,p,acount,NULL,NULL);
if (count == -1) acount = -1;
ret = DrawTextA( hdc, p, acount, rect, flags );
HeapFree( GetProcessHeap(), 0, p );
return ret;
return DrawTextExW(hdc, str, count, rect, flags, NULL);
}
/***********************************************************************
@ -441,16 +464,6 @@ INT WINAPI DrawTextExA( HDC hdc, LPCSTR str, INT count,
return DrawTextA(hdc,str,count,rect,flags);
}
/***********************************************************************
* DrawTextExW (USER32.166)
*/
INT WINAPI DrawTextExW( HDC hdc, LPCWSTR str, INT count,
LPRECT rect, UINT flags, LPDRAWTEXTPARAMS dtp )
{
TRACE("(%d,%p,%d,%p,0x%08x,%p)\n",hdc,str,count,rect,flags,dtp);
FIXME("ignores extended functionality\n");
return DrawTextW(hdc,str,count,rect,flags);
}
/***********************************************************************
* TEXT_GrayString
*