X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a1b806b98241ab649c169aaa1f134df85e80fb8b..440ddb750f4b9d9a4bb968a4f2ee07f3b307cf17:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index b4b0cff8f3..b4f5be57ef 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -30,6 +30,7 @@ #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/brush.h" + #include "wx/dcclient.h" #include "wx/utils.h" #include "wx/intl.h" #include "wx/log.h" @@ -426,7 +427,7 @@ bool wxTextCtrl::MSWCreateText(const wxString& value, // implementation detail m_updatesCount = -2; - if ( !MSWCreateControl(windowClass.wx_str(), msStyle, pos, size, valueWin) ) + if ( !MSWCreateControl(windowClass.t_str(), msStyle, pos, size, valueWin) ) return false; m_updatesCount = -1; @@ -1108,7 +1109,7 @@ void wxTextCtrl::DoWriteText(const wxString& value, int flags) ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT, // EM_REPLACESEL takes 1 to indicate the operation should be redoable - selectionOnly ? 1 : 0, (LPARAM)valueDos.wx_str()); + selectionOnly ? 1 : 0, wxMSW_CONV_LPARAM(valueDos)); if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) ) { @@ -1125,7 +1126,7 @@ void wxTextCtrl::AppendText(const wxString& text) // 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 } @@ -1489,6 +1490,93 @@ wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const 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(LOWORD(rc)), + static_cast(HIWORD(rc))); + } + + return wxDefaultPosition; +} + + // ---------------------------------------------------------------------------- // // ---------------------------------------------------------------------------- @@ -1693,8 +1781,19 @@ bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg) // 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; @@ -1810,6 +1909,14 @@ void wxTextCtrl::OnKeyDown(wxKeyEvent& event) } } + // 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(); } @@ -1856,6 +1963,9 @@ WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara // live with it. lRc = lDlgCode; } + if (IsMultiLine()) + // Clear the DLGC_HASSETSEL bit from the return value + lRc &= ~DLGC_HASSETSEL; } break; @@ -1945,7 +2055,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd) { - if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) ) + if ( !IsThisEnabled() && !HasFlag(wxTE_MULTILINE) ) return MSWControlColorDisabled(hDC); return wxTextCtrlBase::MSWControlColor(hDC, hWnd); @@ -2009,9 +2119,17 @@ wxSize wxTextCtrl::DoGetBestSize() const } //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); } @@ -2279,9 +2397,7 @@ bool wxTextCtrl::SetForegroundColour(const wxColour& colour) if ( IsRich() ) { // change the colour of everything - CHARFORMAT cf; - wxZeroMemory(cf); - cf.cbSize = sizeof(cf); + WinStruct cf; cf.dwMask = CFM_COLOR; cf.crTextColor = wxColourToRGB(colour); ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf); @@ -2623,7 +2739,10 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) LOGFONT lf; - lf.lfHeight = cf.yHeight; + // Convert the height from the units of 1/20th of the point in which + // CHARFORMAT stores it to pixel-based units used by LOGFONT. + const wxCoord ppi = wxClientDC(this).GetPPI().y; + lf.lfHeight = -MulDiv(cf.yHeight/20, ppi, 72); lf.lfWidth = 0; lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset? lf.lfClipPrecision = 0;