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Sync with Wine: Update EDIT_EM_SetMargins in EDIT control.

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svn path=/trunk/; revision=22991
This commit is contained in:
Aleksey Bragin 2006-07-10 08:56:02 +00:00
parent e11e4547e1
commit 645a3280f5
2 changed files with 30 additions and 7 deletions
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35
reactos/dll/win32/user32/controls/edit.c
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@ -18,7 +18,7 @@
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* NOTES
*
@ -239,7 +239,7 @@ static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc);
static void EDIT_EM_SetHandle16(EDITSTATE *es, HLOCAL16 hloc);
#endif
static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit);
static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, INT left, INT right, BOOL repaint);
static void EDIT_EM_SetMargins(EDITSTATE *es, INT action, WORD left, WORD right, BOOL repaint);
static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c);
static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap);
static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, LPINT tabs);
@ -802,7 +802,7 @@ static LRESULT WINAPI EditWndProc_common( HWND hwnd, UINT msg,
/* The following EM_xxx are new to win95 and don't exist for 16 bit */
case EM_SETMARGINS:
EDIT_EM_SetMargins(es, (INT)wParam, (short)LOWORD(lParam), (short)HIWORD(lParam), TRUE);
EDIT_EM_SetMargins(es, (INT)wParam, LOWORD(lParam), HIWORD(lParam), TRUE);
break;
case EM_GETMARGINS:
@ -3715,9 +3715,24 @@ static void EDIT_EM_SetLimitText(EDITSTATE *es, INT limit)
* of the char's width as the margin, but this is not how Windows handles this.
* For all other fonts Windows sets the margins to zero.
*
* FIXME - When EC_USEFONTINFO is used the margins only change if the
* edit control is equal to or larger than a certain size.
* Interestingly if one subtracts both the left and right margins from
* this size one always seems to get an even number. The extents of
* the (four character) string "'**'" match this quite closely, so
* we'll use this until we come up with a better idea.
*/
static int calc_min_set_margin_size(HDC dc, INT left, INT right)
{
WCHAR magic_string[] = {'\'','*','*','\'', 0};
SIZE sz;
GetTextExtentPointW(dc, magic_string, sizeof(magic_string)/sizeof(WCHAR) - 1, &sz);
return sz.cx + left + right;
}
static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
INT left, INT right, BOOL repaint)
WORD left, WORD right, BOOL repaint)
{
TEXTMETRICW tm;
INT default_left_margin = 0; /* in pixels */
@ -3730,9 +3745,17 @@ static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
GetTextMetricsW(dc, &tm);
/* The default margins are only non zero for TrueType or Vector fonts */
if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) {
int min_size;
RECT rc;
/* This must be calculated more exactly! But how? */
default_left_margin = tm.tmAveCharWidth / 3;
default_right_margin = tm.tmAveCharWidth / 3;
default_left_margin = tm.tmAveCharWidth / 2;
default_right_margin = tm.tmAveCharWidth / 2;
min_size = calc_min_set_margin_size(dc, default_left_margin, default_right_margin);
GetClientRect(es->hwndSelf, &rc);
if(rc.right - rc.left < min_size) {
default_left_margin = es->left_margin;
default_right_margin = es->right_margin;
}
}
SelectObject(dc, old_font);
ReleaseDC(es->hwndSelf, dc);

2
reactos/media/doc/README.WINE
View file

@ -117,7 +117,7 @@ msvcrt -
User32 -
reactos/dll/win32/user32/controls/button.c # Synced at 20060621
reactos/dll/win32/user32/controls/combo.c # Synced at 20060617
reactos/dll/win32/user32/controls/edit.c # Synced at 20060623
reactos/dll/win32/user32/controls/edit.c # Synced at 20060710
reactos/dll/win32/user32/controls/icontitle.c # Synced at 20060617
reactos/dll/win32/user32/controls/listbox.c # Synced at 20060616
reactos/dll/win32/user32/controls/scrollbar.c # Forked