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user32: Use Uniscribe in the single line edit control.

This commit is contained in:
Aric Stewart 2011-10-17 09:07:06 -05:00 committed by Alexandre Julliard
parent c9b6994648
commit acaa0dc2da
1 changed files with 143 additions and 110 deletions
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253
dlls/user32/edit.c
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@ -158,6 +158,7 @@ typedef struct
* Uniscribe Data
*/
SCRIPT_LOGATTR *logAttr;
SCRIPT_STRING_ANALYSIS ssa; /* Uniscribe Data for single line controls */
} EDITSTATE;
@ -365,6 +366,48 @@ static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count
return ret;
}
static inline void EDIT_InvalidateUniscribeData(EDITSTATE *es)
{
if (es->ssa)
{
ScriptStringFree(&es->ssa);
es->ssa = NULL;
}
}
static SCRIPT_STRING_ANALYSIS EDIT_UpdateUniscribeData(EDITSTATE *es, HDC dc, INT line)
{
if (!(es->style & ES_MULTILINE))
{
if (!es->ssa)
{
INT length = get_text_length(es);
HFONT old_font = NULL;
HDC udc = dc;
if (!udc)
udc = GetDC(es->hwndSelf);
if (es->font)
old_font = SelectObject(udc, es->font);
if (es->style & ES_PASSWORD)
ScriptStringAnalyse(udc, &es->password_char, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_PASSWORD, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
else
ScriptStringAnalyse(udc, es->text, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
if (es->font)
SelectObject(udc, old_font);
if (udc != dc)
ReleaseDC(es->hwndSelf, udc);
}
return es->ssa;
}
else
{
return NULL;
}
}
/*********************************************************************
*
* EDIT_BuildLineDefs_ML
@ -645,26 +688,6 @@ static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta
ReleaseDC(es->hwndSelf, dc);
}
/*********************************************************************
*
* EDIT_GetPasswordPointer_SL
*
* note: caller should free the (optionally) allocated buffer
*
*/
static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
{
if (es->style & ES_PASSWORD) {
INT len = get_text_length(es);
LPWSTR text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
text[len] = '\0';
while(len) text[--len] = es->password_char;
return text;
} else
return es->text;
}
/*********************************************************************
*
* EDIT_CalcLineWidth_SL
@ -672,27 +695,14 @@ static LPWSTR EDIT_GetPasswordPointer_SL(EDITSTATE *es)
*/
static void EDIT_CalcLineWidth_SL(EDITSTATE *es)
{
SIZE size;
LPWSTR text;
HDC dc;
HFONT old_font = 0;
const SIZE *size;
text = EDIT_GetPasswordPointer_SL(es);
dc = GetDC(es->hwndSelf);
if (es->font)
old_font = SelectObject(dc, es->font);
GetTextExtentPoint32W(dc, text, strlenW(text), &size);
if (es->font)
SelectObject(dc, old_font);
ReleaseDC(es->hwndSelf, dc);
if (es->style & ES_PASSWORD)
HeapFree(GetProcessHeap(), 0, text);
es->text_width = size.cx;
EDIT_UpdateUniscribeData(es, NULL, 0);
size = ScriptString_pSize(es->ssa);
if (size)
es->text_width = size->cx;
else
es->text_width = 0;
}
/*********************************************************************
@ -708,11 +718,11 @@ static void EDIT_CalcLineWidth_SL(EDITSTATE *es)
static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
{
INT index;
HDC dc;
HFONT old_font = 0;
INT x_high = 0, x_low = 0;
if (es->style & ES_MULTILINE) {
HDC dc;
HFONT old_font = 0;
INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
INT line_index = 0;
LINEDEF *line_def = es->first_line_def;
@ -762,9 +772,12 @@ static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
if (after_wrap)
*after_wrap = ((index == line_index + line_def->net_length) &&
(line_def->ending == END_WRAP));
if (es->font)
SelectObject(dc, old_font);
ReleaseDC(es->hwndSelf, dc);
} else {
LPWSTR text;
SIZE size;
INT xoff = 0;
INT trailing;
if (after_wrap)
*after_wrap = FALSE;
x -= es->format_rect.left;
@ -780,60 +793,47 @@ static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
x -= indent / 2;
}
text = EDIT_GetPasswordPointer_SL(es);
dc = GetDC(es->hwndSelf);
if (es->font)
old_font = SelectObject(dc, es->font);
EDIT_UpdateUniscribeData(es, NULL, 0);
if (es->x_offset)
{
if (es->x_offset>= get_text_length(es))
{
const SIZE *size;
size = ScriptString_pSize(es->ssa);
xoff = size->cx;
}
ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
}
if (x < 0)
{
INT low = 0;
INT high = es->x_offset;
while (low < high - 1)
{
INT mid = (low + high) / 2;
GetTextExtentPoint32W( dc, text + mid,
es->x_offset - mid, &size );
if (size.cx > -x) {
low = mid;
x_low = size.cx;
} else {
high = mid;
x_high = size.cx;
}
}
if (abs(x_high + x) <= abs(x_low + x) + 1)
index = high;
else
index = low;
{
if (x + xoff > 0)
{
ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
if (trailing) index++;
}
else
index = 0;
}
else
{
INT low = es->x_offset;
INT high = get_text_length(es) + 1;
while (low < high - 1)
{
INT mid = (low + high) / 2;
GetTextExtentPoint32W( dc, text + es->x_offset,
mid - es->x_offset, &size );
if (size.cx > x) {
high = mid;
x_high = size.cx;
} else {
low = mid;
x_low = size.cx;
}
}
if (abs(x_high - x) <= abs(x_low - x) + 1)
index = high;
else
index = low;
else
{
if (x)
{
const SIZE *size;
size = ScriptString_pSize(es->ssa);
if (!size)
index = 0;
else if (x > size->cx)
index = get_text_length(es);
else
{
ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
if (trailing) index++;
}
}
else
index = es->x_offset;
}
if (es->style & ES_PASSWORD)
HeapFree(GetProcessHeap(), 0, text);
}
if (es->font)
SelectObject(dc, old_font);
ReleaseDC(es->hwndSelf, dc);
return index;
}
@ -970,7 +970,6 @@ static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
INT ll = 0;
HDC dc;
HFONT old_font = 0;
SIZE size;
LINEDEF *line_def;
index = min(index, len);
@ -1021,16 +1020,33 @@ static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
es->tabs_count, es->tabs)) - es->x_offset;
}
} else {
LPWSTR text = EDIT_GetPasswordPointer_SL(es);
if (index < es->x_offset) {
GetTextExtentPoint32W(dc, text + index,
es->x_offset - index, &size);
x = -size.cx;
} else {
GetTextExtentPoint32W(dc, text + es->x_offset,
index - es->x_offset, &size);
x = size.cx;
INT xoff = 0;
INT xi = 0;
EDIT_UpdateUniscribeData(es, NULL, 0);
if (es->x_offset)
{
if (es->x_offset>= get_text_length(es))
{
const SIZE *size;
size = ScriptString_pSize(es->ssa);
xoff = size->cx;
}
ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
}
if (index)
{
if (index >= get_text_length(es))
{
const SIZE *size;
size = ScriptString_pSize(es->ssa);
xi = size->cx;
}
else
ScriptStringCPtoX(es->ssa, index, FALSE, &xi);
}
x = xi - xoff;
if (index >= es->x_offset) {
if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER)))
{
w = es->format_rect.right - es->format_rect.left;
@ -1044,8 +1060,6 @@ static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
}
}
y = 0;
if (es->style & ES_PASSWORD)
HeapFree(GetProcessHeap(), 0, text);
}
x += es->format_rect.left;
y += es->format_rect.top;
@ -1067,14 +1081,17 @@ static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
{
INT line_index = EDIT_EM_LineIndex(es, line);
INT pt1, pt2;
if (es->style & ES_MULTILINE)
rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
else
rc->top = es->format_rect.top;
rc->bottom = rc->top + es->line_height;
rc->left = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
rc->right = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
pt1 = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
pt2 = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
rc->right = max(pt1 , pt2);
rc->left = min(pt1, pt2);
}
@ -1084,6 +1101,7 @@ static inline void text_buffer_changed(EDITSTATE *es)
HeapFree( GetProcessHeap(), 0, es->logAttr );
es->logAttr = NULL;
EDIT_InvalidateUniscribeData(es);
}
/*********************************************************************
@ -2028,7 +2046,7 @@ static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col
ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
} else {
LPWSTR text = EDIT_GetPasswordPointer_SL(es);
LPWSTR text = es->text;
TextOutW(dc, x, y, text + li + col, count);
GetTextExtentPoint32W(dc, text + li + col, count, &size);
ret = size.cx;
@ -2068,6 +2086,7 @@ static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
INT x;
INT y;
LRESULT pos;
SCRIPT_STRING_ANALYSIS ssa;
if (es->style & ES_MULTILINE) {
INT vlc = get_vertical_line_count(es);
@ -2079,6 +2098,7 @@ static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
TRACE("line=%d\n", line);
ssa = EDIT_UpdateUniscribeData(es, dc, line);
pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE);
x = (short)LOWORD(pos);
y = (short)HIWORD(pos);
@ -2088,7 +2108,9 @@ static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
e = max(es->selection_start, es->selection_end);
s = min(li + ll, max(li, s));
e = min(li + ll, max(li, e));
if (rev && (s != e) &&
if (ssa)
ScriptStringOut(ssa, x, y, 0, &es->format_rect, s - li, e - li, FALSE);
else if (rev && (s != e) &&
((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
@ -2384,6 +2406,7 @@ static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replac
s = es->selection_start;
e = es->selection_end;
EDIT_InvalidateUniscribeData(es);
if ((s == e) && !strl)
return;
@ -2459,12 +2482,14 @@ static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replac
}
else {
INT fw = es->format_rect.right - es->format_rect.left;
EDIT_InvalidateUniscribeData(es);
EDIT_CalcLineWidth_SL(es);
/* remove chars that don't fit */
if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) {
while ((es->text_width > fw) && s + strl >= s) {
strcpyW(es->text + s + strl - 1, es->text + s + strl);
strl--;
EDIT_InvalidateUniscribeData(es);
EDIT_CalcLineWidth_SL(es);
}
text_buffer_changed(es);
@ -2562,6 +2587,7 @@ static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, LPCWSTR lpsz_replac
es->flags &= ~EF_UPDATE;
EDIT_NOTIFY_PARENT(es, EN_CHANGE);
}
EDIT_InvalidateUniscribeData(es);
}
@ -2762,6 +2788,7 @@ static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c)
SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD );
es->style &= ~ES_PASSWORD;
}
EDIT_InvalidateUniscribeData(es);
EDIT_UpdateText(es, NULL, TRUE);
}
@ -3490,6 +3517,9 @@ static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc)
(es->style & ES_NOHIDESEL));
dc = hdc ? hdc : BeginPaint(es->hwndSelf, &ps);
/* The dc we use for calcualting may not be the one we paint into.
This is the safest action. */
EDIT_InvalidateUniscribeData(es);
GetClientRect(es->hwndSelf, &rcClient);
/* get the background brush */
@ -3602,6 +3632,7 @@ static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw)
RECT clientRect;
es->font = font;
EDIT_InvalidateUniscribeData(es);
dc = GetDC(es->hwndSelf);
if (font)
old_font = SelectObject(dc, font);
@ -3693,6 +3724,7 @@ static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text, BOOL unicode)
}
EDIT_EM_ScrollCaret(es);
EDIT_UpdateScrollInfo(es);
EDIT_InvalidateUniscribeData(es);
}
@ -4313,6 +4345,7 @@ static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs, BOOL unicode)
cleanup:
SetWindowLongPtrW(es->hwndSelf, 0, 0);
EDIT_InvalidateUniscribeData(es);
HeapFree(GetProcessHeap(), 0, es->first_line_def);
HeapFree(GetProcessHeap(), 0, es->undo_text);
if (es->hloc32W) LocalFree(es->hloc32W);