X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9ffa72272ba67827a83993b1e3ec8a312ec88434..4b1ae1539c549eb612e5d2b6876124138ce9cb4e:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index d577edd1a2..6c52d71047 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -162,9 +162,9 @@ wxBEGIN_PROPERTIES_TABLE(wxTextCtrl) wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent ) - wxPROPERTY( Font , wxFont , SetFont , GetFont ,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) + wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group") ) wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) - wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style + wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style wxEND_PROPERTIES_TABLE() wxBEGIN_HANDLERS_TABLE(wxTextCtrl) @@ -199,9 +199,6 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete) EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll) -#ifdef __WIN16__ - EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) -#endif EVT_SET_FOCUS(wxTextCtrl::OnSetFocus) END_EVENT_TABLE() @@ -242,6 +239,11 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, const wxValidator& validator, const wxString& name) { +#ifdef __WXWINCE__ + if ((style & wxBORDER_MASK) == 0) + style |= wxBORDER_SIMPLE; +#endif + // base initialization if ( !CreateBase(parent, id, pos, size, style, validator, name) ) return FALSE; @@ -459,7 +461,12 @@ WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const if ( style & wxTE_DONTWRAP ) { // automatically scroll the control horizontally as necessary - msStyle |= WS_HSCROLL; + // + // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't + // show horz scrollbar at all, even in spite of WS_HSCROLL, and as + // it doesn't seem to do any harm for plain edit controls, add it + // always + msStyle |= WS_HSCROLL | ES_AUTOHSCROLL; } if ( style & wxTE_READONLY ) @@ -564,9 +571,8 @@ wxString wxTextCtrl::GetRange(long from, long to) const if ( !str.empty() ) { // we have to manually extract the required part, luckily - // this is easy in this case as EOL characters in richedit - // version > 1 are just '\r's and so positions map to - // string indices one to one (unlike with richedit 1) + // this is easy in this case as EOL characters in str are + // just LFs because we remove CRs in wxRichEditStreamOut str = str.Mid(from, to - from); } } @@ -638,6 +644,9 @@ void wxTextCtrl::SetValue(const wxString& value) if ( (value.length() > 0x400) || (value != GetValue()) ) { DoWriteText(value, FALSE /* not selection only */); + + // for compatibility, don't move the cursor when doing SetValue() + SetInsertionPoint(0); } else // same text { @@ -650,9 +659,6 @@ void wxTextCtrl::SetValue(const wxString& value) // mark the control as being not dirty - we changed its text, not the // user DiscardEdits(); - - // for compatibility, don't move the cursor when doing SetValue() - SetInsertionPoint(0); } #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU) @@ -681,24 +687,37 @@ wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) return 0; } +// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut +struct wxStreamOutData +{ + wchar_t *wpc; + size_t len; +}; + DWORD CALLBACK -wxRichEditStreamOut(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb) +wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb) { *pcb = 0; - wchar_t ** const ppws = (wchar_t **)dwCookie; + wxStreamOutData *data = (wxStreamOutData *)dwCookie; const wchar_t *wbuf = (const wchar_t *)buf; - wchar_t *wpc = *ppws; - while ( cb && *wpc ) + wchar_t *wpc = data->wpc; + while ( cb ) { - *wpc++ = *wbuf++; + wchar_t wch = *wbuf++; + + // turn "\r\n" into "\n" on the fly + if ( wch != L'\r' ) + *wpc++ = wch; + else + data->len--; cb -= sizeof(wchar_t); (*pcb) += sizeof(wchar_t); } - *ppws = wpc; + data->wpc = wpc; return 0; } @@ -783,9 +802,13 @@ wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const wchar_t *wpc = wchBuf; #endif + wxStreamOutData data; + data.wpc = wpc; + data.len = len; + EDITSTREAM eds; wxZeroMemory(eds); - eds.dwCookie = (DWORD)&wpc; + eds.dwCookie = (DWORD)&data; eds.pfnCallback = wxRichEditStreamOut; ::SendMessage @@ -802,13 +825,17 @@ wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const } else // streamed out ok { - // now convert to the given encoding (this is a lossful conversion but - // what else can we do) + // NUL-terminate the string because its length could have been + // decreased by wxRichEditStreamOut + *(wchBuf.data() + data.len) = L'\0'; + + // now convert to the given encoding (this is a possibly lossful + // conversion but what else can we do) wxCSConv conv(encoding); - size_t lenNeeded = conv.WC2MB(NULL, wchBuf, len); - if ( lenNeeded ) + size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0); + if ( lenNeeded++ ) { - conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, len); + conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded); } } @@ -1159,7 +1186,7 @@ bool wxTextCtrl::IsEditable() const void wxTextCtrl::SetSelection(long from, long to) { - // if from and to are both -1, it means (in wxWindows) that all text should + // if from and to are both -1, it means (in wxWidgets) that all text should // be selected - translate into Windows convention if ( (from == -1) && (to == -1) ) { @@ -1174,7 +1201,6 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) { HWND hWnd = GetHwnd(); -#ifdef __WIN32__ #if wxUSE_RICHEDIT if ( IsRich() ) { @@ -1230,10 +1256,23 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret) } #endif // wxUSE_RICHEDIT } -#else // Win16 - // WPARAM is 0: selection is scrolled into view - SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to)); -#endif // Win32/16 +} + +// ---------------------------------------------------------------------------- +// Working with files +// ---------------------------------------------------------------------------- + +bool wxTextCtrl::LoadFile(const wxString& file) +{ + if ( wxTextCtrlBase::LoadFile(file) ) + { + // update the size limit if needed + AdjustSpaceLimit(); + + return TRUE; + } + + return FALSE; } // ---------------------------------------------------------------------------- @@ -1253,19 +1292,6 @@ void wxTextCtrl::Remove(long from, long to) Replace(from, to, wxEmptyString); } -bool wxTextCtrl::LoadFile(const wxString& file) -{ - if ( wxTextCtrlBase::LoadFile(file) ) - { - // update the size limit if needed - AdjustSpaceLimit(); - - return TRUE; - } - - return FALSE; -} - bool wxTextCtrl::IsModified() const { return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0; @@ -1286,6 +1312,10 @@ int wxTextCtrl::GetNumberOfLines() const return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0); } +// ---------------------------------------------------------------------------- +// Positions <-> coords +// ---------------------------------------------------------------------------- + long wxTextCtrl::XYToPosition(long x, long y) const { // This gets the char index for the _beginning_ of this line @@ -1333,6 +1363,99 @@ bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const return TRUE; } +wxTextCtrlHitTestResult +wxTextCtrl::HitTest(const wxPoint& pt, wxTextCoord *col, wxTextCoord *row) const +{ + // first get the position from Windows + LPARAM lParam; + +#if wxUSE_RICHEDIT + POINTL ptl; + if ( IsRich() ) + { + // for rich edit controls the position is passed iva the struct fields + ptl.x = pt.x; + ptl.y = pt.y; + lParam = (LPARAM)&ptl; + } + else +#endif // wxUSE_RICHEDIT + { + // for the plain ones, we are limited to 16 bit positions which are + // combined in a single 32 bit value + lParam = MAKELPARAM(pt.x, pt.y); + } + + LRESULT pos = SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam); + + if ( pos == -1 ) + { + // this seems to indicate an error... + return wxTE_HT_UNKNOWN; + } + +#if wxUSE_RICHEDIT + if ( !IsRich() ) +#endif // wxUSE_RICHEDIT + { + // for plain EDIT controls the higher word contains something else + pos = LOWORD(pos); + } + + + // next determine where it is relatively to our point: EM_CHARFROMPOS + // always returns the closest character but we need to be more precise, so + // double check that we really are where it pretends + POINTL ptReal; + +#if wxUSE_RICHEDIT + // FIXME: we need to distinguish between richedit 2 and 3 here somehow but + // we don't know how to do it + if ( IsRich() ) + { + SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos); + } + else +#endif // wxUSE_RICHEDIT + { + LRESULT lRc = SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0); + + if ( lRc == -1 ) + { + // this is apparently returned when pos corresponds to the last + // position + ptReal.x = + ptReal.y = 0; + } + else + { + ptReal.x = LOWORD(lRc); + ptReal.y = HIWORD(lRc); + } + } + + wxTextCtrlHitTestResult rc; + + if ( pt.y > ptReal.y + GetCharHeight() ) + rc = wxTE_HT_BELOW; + else if ( pt.x > ptReal.x + GetCharWidth() ) + rc = wxTE_HT_BEYOND; + else + rc = wxTE_HT_ON_TEXT; + + // finally translate to column/row + if ( !PositionToXY(pos, col, row) ) + { + wxFAIL_MSG( _T("PositionToXY() not expected to fail in HitTest()") ); + } + + return rc; +} + +// ---------------------------------------------------------------------------- +// +// ---------------------------------------------------------------------------- + void wxTextCtrl::ShowPosition(long pos) { HWND hWnd = GetHwnd(); @@ -1558,7 +1681,7 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) switch ( event.GetKeyCode() ) { case WXK_RETURN: - if ( !(m_windowStyle & wxTE_MULTILINE) ) + if ( !HasFlag(wxTE_MULTILINE) ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); InitCommandEvent(event); @@ -1571,18 +1694,38 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) break; case WXK_TAB: - // always produce navigation event - even if we process TAB - // ourselves the fact that we got here means that the user code - // decided to skip processing of this TAB - probably to let it - // do its default job. + // ok, so this is getting absolutely ridiculous but I don't see + // any other way to fix this bug: when a multiline text control is + // inside a wxFrame, we need to generate the navigation event as + // otherwise nothing happens at all, but when the same control is + // created inside a dialog, IsDialogMessage() *does* switch focus + // all by itself and so if we do it here as well, it is advanced + // twice and goes to the next control... to prevent this from + // happening we're doing this ugly check, the logic being that if + // we don't have focus then it had been already changed to the next + // control + // + // the right thing to do would, of course, be to understand what + // the hell is IsDialogMessage() doing but this is beyond my feeble + // forces at the moment unfortunately + if ( !(m_windowStyle & wxTE_PROCESS_TAB)) { - wxNavigationKeyEvent eventNav; - eventNav.SetDirection(!event.ShiftDown()); - eventNav.SetWindowChange(event.ControlDown()); - eventNav.SetEventObject(this); - - if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) ) - return; + if ( FindFocus() == this ) + { + int flags = 0; + if (!event.ShiftDown()) + flags |= wxNavigationKeyEvent::IsForward ; + if (event.ControlDown()) + flags |= wxNavigationKeyEvent::WinChange ; + if (Navigate(flags)) + return; + } + } + else + { + // Insert tab since calling the default Windows handler + // doesn't seem to do it + WriteText(wxT("\t")); } break; } @@ -1591,9 +1734,9 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) event.Skip(); } -long wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - long lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); + WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam); if ( nMsg == WM_GETDLGCODE ) { @@ -1730,40 +1873,8 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE return (WXHBRUSH)brush->GetResourceHandle(); } -// In WIN16, need to override normal erasing because -// Ctl3D doesn't use the wxWindows background colour. -#ifdef __WIN16__ -void wxTextCtrl::OnEraseBackground(wxEraseEvent& event) -{ - wxColour col(m_backgroundColour); - -#if wxUSE_CTL3D - if (m_useCtl3D) - col = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); -#endif - - RECT rect; - ::GetClientRect(GetHwnd(), &rect); - - COLORREF ref = wxColourToRGB(col); - HBRUSH hBrush = ::CreateSolidBrush(ref); - if ( !hBrush ) - wxLogLastError(wxT("CreateSolidBrush")); - - HDC hdc = (HDC)event.GetDC()->GetHDC(); - - int mode = ::SetMapMode(hdc, MM_TEXT); - - ::FillRect(hdc, &rect, hBrush); - ::DeleteObject(hBrush); - ::SetMapMode(hdc, mode); - -} -#endif // Win16 - bool wxTextCtrl::AdjustSpaceLimit() { -#ifndef __WIN16__ unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0); // HACK: we try to automatically extend the limit for the amount of text @@ -1805,7 +1916,6 @@ bool wxTextCtrl::AdjustSpaceLimit() ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0); } } -#endif // !Win16 // we changed the limit return TRUE; @@ -1822,17 +1932,21 @@ bool wxTextCtrl::AcceptsFocus() const wxSize wxTextCtrl::DoGetBestSize() const { int cx, cy; - wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); + wxGetCharSize(GetHWND(), &cx, &cy, GetFont()); int wText = DEFAULT_ITEM_WIDTH; - int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); + int hText = cy; if ( m_windowStyle & wxTE_MULTILINE ) { hText *= wxMax(GetNumberOfLines(), 5); } //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; + return wxSize(wText, hText); } @@ -2201,7 +2315,7 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) cf.dwEffects |= CFE_UNDERLINE; } - // strikeout fonts are not supported by wxWindows + // strikeout fonts are not supported by wxWidgets } if ( style.HasTextColour() ) @@ -2259,12 +2373,11 @@ bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style) if (style.HasLeftIndent()) { - pf.dwMask |= PFM_STARTINDENT; + pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET; // Convert from 1/10 mm to TWIPS pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ; - - // TODO: do we need to specify dxOffset? + pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ; } if (style.HasRightIndent()) @@ -2426,7 +2539,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) // do format the selection (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ; - style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0) ); + style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) ); style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) ); if (pf.wAlignment == PFA_CENTER) @@ -2442,7 +2555,7 @@ bool wxTextCtrl::GetStyle(long position, wxTextAttr& style) size_t i; for (i = 0; i < (size_t) pf.cTabCount; i++) { - tabStops[i] = (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ; + tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) ); } if ( changeSel )