X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8614c467553e7dd8a5b9984683d73c89730b8ead..2b813b73cd79cfb4d275e9628811f379e8c5ee39:/src/msw/textctrl.cpp diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp index 794d146e78..86ec3d7af8 100644 --- a/src/msw/textctrl.cpp +++ b/src/msw/textctrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: textctrl.cpp +// Name: msw/textctrl.cpp // Purpose: wxTextCtrl // Author: Julian Smart // Modified by: @@ -38,6 +38,8 @@ #include "wx/app.h" #endif +#include "wx/module.h" + #if wxUSE_CLIPBOARD #include "wx/clipbrd.h" #endif @@ -58,7 +60,7 @@ # include #endif -#if wxUSE_RICHEDIT && (!defined(__GNUWIN32__) || defined(wxUSE_NORLANDER_HEADERS)) +#if wxUSE_RICHEDIT && !defined(__GNUWIN32_OLD__) #include #endif @@ -119,6 +121,9 @@ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) +#ifdef __WIN16__ + EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground) +#endif END_EVENT_TABLE() @@ -154,12 +159,11 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // translate wxWin style flags to MSW ones, checking for consistency while // doing it - long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP; + long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP /* | WS_CLIPSIBLINGS */ ; if ( m_windowStyle & wxTE_MULTILINE ) { wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER), - wxT("wxTE_PROCESS_ENTER style is ignored for multiline " - "text controls (they always process it)") ); + wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") ); msStyle |= ES_MULTILINE | ES_WANTRETURN; if ((m_windowStyle & wxTE_NO_VSCROLL) == 0) @@ -175,11 +179,13 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, if (m_windowStyle & wxTE_READONLY) msStyle |= ES_READONLY; - if (m_windowStyle & wxHSCROLL) - msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL); if (m_windowStyle & wxTE_PASSWORD) // hidden input msStyle |= ES_PASSWORD; + if (m_windowStyle & wxTE_AUTO_SCROLL) + msStyle |= ES_AUTOHSCROLL; + + // we always want the characters and the arrows m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS; @@ -210,9 +216,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // done) if ( !wxRichEditModule::Load() ) { - wxLogError(_("Impossible to create a rich edit control, " - "using simple text control instead. Please " - "reinstall riched32.dll")); + wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll")); s_errorGiven = TRUE; } @@ -237,7 +241,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, #ifndef RICHEDIT_CLASS wxString RICHEDIT_CLASS; RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), ver); -#ifdef wxUSE_UNICODE +#if wxUSE_UNICODE RICHEDIT_CLASS += _T('W'); #else // ANSI RICHEDIT_CLASS += _T('A'); @@ -264,7 +268,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id, // might be -1 in which case we should use the default values (and // SetSize called below takes care of it) m_hWnd = (WXHWND)::CreateWindowEx(exStyle, - windowClass, + windowClass.c_str(), NULL, msStyle, 0, 0, 0, 0, @@ -354,10 +358,10 @@ void wxTextCtrl::AdoptAttributesFromHWND() void wxTextCtrl::SetupColours() { wxColour bkgndColour; - if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) +// if (IsEditable() || (m_windowStyle & wxTE_MULTILINE)) bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW); - else - bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); +// else +// bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); SetBackgroundColour(bkgndColour); SetForegroundColour(GetParent()->GetForegroundColour()); @@ -376,27 +380,32 @@ wxString wxTextCtrl::GetValue() const { wxString str; - int len = GetWindowTextLength(GetHwnd()) + 1; - wxChar *p = str.GetWriteBuf(len); + int len = GetWindowTextLength(GetHwnd()); + if ( len ) + { + // alloc one extra WORD as needed by the control + wxChar *p = str.GetWriteBuf(++len); - TEXTRANGE textRange; - textRange.chrg.cpMin = 0; - textRange.chrg.cpMax = -1; - textRange.lpstrText = p; + TEXTRANGE textRange; + textRange.chrg.cpMin = 0; + textRange.chrg.cpMax = -1; + textRange.lpstrText = p; - (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); + (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange); - // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for the - // newlines which is neither Unix nor Windows style (Win95 with - // riched20.dll shows this behaviour) - convert it to something - // reasonable - for ( ; *p; p++ ) - { - if ( *p == _T('\r') ) - *p = _T('\n'); - } + // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for + // the newlines which is neither Unix nor Windows style (Win95 with + // riched20.dll shows this behaviour) - convert it to something + // reasonable + for ( ; *p; p++ ) + { + if ( *p == _T('\r') ) + *p = _T('\n'); + } - str.UngetWriteBuf(); + str.UngetWriteBuf(); + } + //else: no text at all, leave the string empty return str; } @@ -419,7 +428,15 @@ void wxTextCtrl::SetValue(const wxString& value) { wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos); - SetWindowText(GetHwnd(), valueDos); + SetWindowText(GetHwnd(), valueDos.c_str()); + + // for compatibility with the GTK and because it is more logical, we + // move the cursor to the end of the text after SetValue() + + // GRG, Jun/2000: Changed this back after a lot of discussion + // in the lists. wxWindows 2.2 will have a set of flags to + // customize this behaviour. + //SetInsertionPointEnd(); AdjustSpaceLimit(); } @@ -481,7 +498,7 @@ bool wxTextCtrl::CanCopy() const // Can copy if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) ; } bool wxTextCtrl::CanCut() const @@ -489,7 +506,7 @@ bool wxTextCtrl::CanCut() const // Can cut if there's a selection long from, to; GetSelection(& from, & to); - return (from != to); + return (from != to) && (IsEditable()); } bool wxTextCtrl::CanPaste() const @@ -521,16 +538,8 @@ bool wxTextCtrl::CanPaste() const void wxTextCtrl::SetEditable(bool editable) { - bool isEditable = IsEditable(); - HWND hWnd = GetHwnd(); SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); - - if (editable != isEditable) - { - SetupColours(); - Refresh(); - } } void wxTextCtrl::SetInsertionPoint(long pos) @@ -556,7 +565,7 @@ void wxTextCtrl::SetInsertionPoint(long pos) SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos)); #endif // Win32/16 - static const char *nothing = ""; + static const wxChar *nothing = _T(""); SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); } @@ -810,14 +819,19 @@ int wxTextCtrl::GetLineLength(long lineNo) const wxString wxTextCtrl::GetLineText(long lineNo) const { size_t len = (size_t)GetLineLength(lineNo) + 1; - char *buf = (char *)malloc(len); - *(WORD *)buf = len; - int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); - buf[noChars] = 0; - wxString str(buf); + // there must be at least enough place for the length WORD in the + // buffer + len += sizeof(WORD); + + wxString str; + wxChar *buf = str.GetWriteBuf(len); - free(buf); + *(WORD *)buf = len; + len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf); + buf[len] = 0; + + str.UngetWriteBuf(len); return str; } @@ -880,7 +894,8 @@ void wxTextCtrl::OnChar(wxKeyEvent& event) if ( !(m_windowStyle & wxTE_MULTILINE) ) { wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); - event.SetEventObject( this ); + InitCommandEvent(event); + event.SetString(GetValue()); if ( GetEventHandler()->ProcessEvent(event) ) return; } @@ -927,10 +942,8 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_CHANGE: { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); - wxString val(GetValue()); - if ( !val.IsNull() ) - event.m_commandString = WXSTRINGCAST val; - event.SetEventObject( this ); + InitCommandEvent(event); + event.SetString(GetValue()); ProcessCommand(event); } break; @@ -945,6 +958,7 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) case EN_ERRSPACE: case EN_HSCROLL: case EN_VSCROLL: + return FALSE; default: return FALSE; } @@ -953,6 +967,71 @@ bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) return TRUE; } +WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, + WXUINT message, + WXWPARAM wParam, + WXLPARAM lParam) +{ +#if wxUSE_CTL3D + if ( m_useCtl3D ) + { + HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + return (WXHBRUSH) hbrush; + } +#endif // wxUSE_CTL3D + + HDC hdc = (HDC)pDC; + if (GetParent()->GetTransparentBackground()) + SetBkMode(hdc, TRANSPARENT); + else + SetBkMode(hdc, OPAQUE); + + wxColour colBack = GetBackgroundColour(); + + if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0) + colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + + ::SetBkColor(hdc, wxColourToRGB(colBack)); + ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); + + wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID); + + 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::GetSystemColour(wxSYS_COLOUR_WINDOW); +#endif + + RECT rect; + ::GetClientRect(GetHwnd(), &rect); + + COLORREF ref = PALETTERGB(col.Red(), + col.Green(), + col.Blue()); + 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 + void wxTextCtrl::AdjustSpaceLimit() { #ifndef __WIN16__ @@ -1000,7 +1079,7 @@ wxSize wxTextCtrl::DoGetBestSize() const int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); if ( m_windowStyle & wxTE_MULTILINE ) { - hText *= wxMin(GetNumberOfLines(), 5); + hText *= wxMax(GetNumberOfLines(), 5); } //else: for single line control everything is ok @@ -1011,27 +1090,27 @@ wxSize wxTextCtrl::DoGetBestSize() const // standard handlers for standard edit menu events // ---------------------------------------------------------------------------- -void wxTextCtrl::OnCut(wxCommandEvent& event) +void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) { Cut(); } -void wxTextCtrl::OnCopy(wxCommandEvent& event) +void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) { Copy(); } -void wxTextCtrl::OnPaste(wxCommandEvent& event) +void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) { Paste(); } -void wxTextCtrl::OnUndo(wxCommandEvent& event) +void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) { Undo(); } -void wxTextCtrl::OnRedo(wxCommandEvent& event) +void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) { Redo(); } @@ -1061,6 +1140,59 @@ void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) event.Enable( CanRedo() ); } +// ---------------------------------------------------------------------------- +// colour setting for the rich edit controls +// ---------------------------------------------------------------------------- + +#if wxUSE_RICHEDIT + +// Watcom C++ doesn't define this +#ifndef SCF_ALL +#define SCF_ALL 0x0004 +#endif + +bool wxTextCtrl::SetBackgroundColour(const wxColour& colour) +{ + if ( !wxTextCtrlBase::SetBackgroundColour(colour) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // rich edit doesn't use WM_CTLCOLOR, hence we need to send + // EM_SETBKGNDCOLOR additionally + ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour)); + } + + return TRUE; +} + +bool wxTextCtrl::SetForegroundColour(const wxColour& colour) +{ + if ( !wxTextCtrlBase::SetForegroundColour(colour) ) + { + // colour didn't really change + return FALSE; + } + + if ( IsRich() ) + { + // change the colour of everything + CHARFORMAT cf; + wxZeroMemory(cf); + cf.cbSize = sizeof(cf); + cf.dwMask = CFM_COLOR; + cf.crTextColor = wxColourToRGB(colour); + ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf); + } + + return TRUE; +} + +#endif // wxUSE_RICHEDIT + // ---------------------------------------------------------------------------- // wxRichEditModule // ----------------------------------------------------------------------------