// don't do this if we're frozen, saves some time
if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
{
- ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, NULL);
+ ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, (LPARAM)NULL);
}
#endif // wxUSE_RICHEDIT
}
return rc;
}
+wxPoint wxTextCtrl::DoPositionToCoords(long pos) const
+{
+ // FIXME: This code is broken for rich edit version 2.0 as it uses the same
+ // API as plain edit i.e. the coordinates are returned directly instead of
+ // filling the POINT passed as WPARAM with them but we can't distinguish
+ // between 2.0 and 3.0 unfortunately (see also the use of EM_POSFROMCHAR
+ // above).
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ POINT pt;
+ LRESULT rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&pt, pos);
+ if ( rc != -1 )
+ return wxPoint(pt.x, pt.y);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ LRESULT rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
+ if ( rc == -1 )
+ {
+ // Finding coordinates for the last position of the control fails
+ // in plain EDIT control, try to compensate for it by finding it
+ // ourselves from the position of the previous character.
+ if ( pos < GetLastPosition() )
+ {
+ // It's not the expected correctable failure case so just fail.
+ return wxDefaultPosition;
+ }
+
+ if ( pos == 0 )
+ {
+ // We're being asked the coordinates of the first (and last and
+ // only) position in an empty control. There is no way to get
+ // it directly with EM_POSFROMCHAR but EM_GETMARGINS returns
+ // the correct value for at least the horizontal offset.
+ rc = ::SendMessage(GetHwnd(), EM_GETMARGINS, 0, 0);
+
+ // Text control seems to effectively add 1 to margin.
+ return wxPoint(LOWORD(rc) + 1, 1);
+ }
+
+ // We do have a previous character, try to get its coordinates.
+ rc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos - 1, 0);
+ if ( rc == -1 )
+ {
+ // If getting coordinates of the previous character failed as
+ // well, just give up.
+ return wxDefaultPosition;
+ }
+
+ wxString prevChar = GetRange(pos - 1, pos);
+ wxSize prevCharSize = GetTextExtent(prevChar);
+
+ if ( prevChar == wxT("\n" ))
+ {
+ // 'pos' is at the beginning of a new line so its X coordinate
+ // should be the same as X coordinate of the first character of
+ // any other line while its Y coordinate will be approximately
+ // (but we can't compute it exactly...) one character height
+ // more than that of the previous character.
+ LRESULT coords0 = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, 0, 0);
+ if ( coords0 == -1 )
+ return wxDefaultPosition;
+
+ rc = MAKELPARAM(LOWORD(coords0), HIWORD(rc) + prevCharSize.y);
+ }
+ else
+ {
+ // Simple case: previous character is in the same line so this
+ // one is just after it.
+ rc += MAKELPARAM(prevCharSize.x, 0);
+ }
+ }
+
+ // Notice that {LO,HI}WORD macros return WORDs, i.e. unsigned shorts,
+ // while we want to have signed values here (the y coordinate of any
+ // position above the first currently visible line is negative, for
+ // example), hence the need for casts.
+ return wxPoint(static_cast<short>(LOWORD(rc)),
+ static_cast<short>(HIWORD(rc)));
+ }
+
+ return wxDefaultPosition;
+}
+
+
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
// fall through
case 0:
- if ( IsMultiLine() && vkey == VK_RETURN )
- return false;
+ switch ( vkey )
+ {
+ case VK_RETURN:
+ // This one is only special for multi line controls.
+ if ( !IsMultiLine() )
+ break;
+ // fall through
+
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return false;
+ }
// fall through
case 2:
break;
}
}
+ // Default window procedure of multiline edit controls posts WM_CLOSE to
+ // the parent window when it gets Escape key press for some reason, prevent
+ // it from doing this as this resulted in dialog boxes being closed on
+ // Escape even when they shouldn't be (we do handle Escape ourselves
+ // correctly in the situations when it should close them).
+ if ( event.GetKeyCode() == WXK_ESCAPE && IsMultiLine() )
+ return;
+
// no, we didn't process it
event.Skip();
}
// live with it.
lRc = lDlgCode;
}
+ if (IsMultiLine())
+ // Clear the DLGC_HASSETSEL bit from the return value
+ lRc &= ~DLGC_HASSETSEL;
}
break;
}
//else: for single line control everything is ok
- // we have to add the adjustments for the control height only once, not
- // once per line, so do it after multiplication above
- hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
+ // Text controls without border are special and have the same height as
+ // static labels (they also have the same appearance when they're disable
+ // and are often used as a sort of copyable to the clipboard label so it's
+ // important that they have the same height as the normal labels to not
+ // stand out).
+ if ( !HasFlag(wxBORDER_NONE) )
+ {
+ // we have to add the adjustments for the control height only once, not
+ // once per line, so do it after multiplication above
+ hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
+ }
return wxSize(wText, hText);
}
projects / wxWidgets.git / blobdiff