#pragma hdrstop
#endif
-#if wxUSE_TEXTCTRL
+#if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
#ifndef WX_PRECOMP
#include "wx/textctrl.h"
#endif // wxUSE_RICHEDIT
+// a small class used to set m_updatesCount to 0 (to filter duplicate events if
+// necessary) and to reset it back to -1 afterwards
+class UpdatesCountFilter
+{
+public:
+ UpdatesCountFilter(int& count)
+ : m_count(count)
+ {
+ wxASSERT_MSG( m_count == -1, _T("wrong initial m_updatesCount value") );
+
+ m_count = 0;
+ }
+
+ ~UpdatesCountFilter()
+ {
+ m_count = -1;
+ }
+
+ // return true if an event has been received
+ bool GotUpdate() const
+ {
+ return m_count == 1;
+ }
+
+private:
+ int& m_count;
+
+ DECLARE_NO_COPY_CLASS(UpdatesCountFilter)
+};
+
// ----------------------------------------------------------------------------
// event tables and other macros
// ----------------------------------------------------------------------------
wxFLAGS_MEMBER(wxBORDER_RAISED)
wxFLAGS_MEMBER(wxBORDER_STATIC)
wxFLAGS_MEMBER(wxBORDER_NONE)
-
+
// old style border flags
wxFLAGS_MEMBER(wxSIMPLE_BORDER)
wxFLAGS_MEMBER(wxSUNKEN_BORDER)
wxFLAGS_MEMBER(wxDOUBLE_BORDER)
wxFLAGS_MEMBER(wxRAISED_BORDER)
wxFLAGS_MEMBER(wxSTATIC_BORDER)
- wxFLAGS_MEMBER(wxNO_BORDER)
+ wxFLAGS_MEMBER(wxBORDER)
// standard window styles
wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
wxFLAGS_MEMBER(wxCLIP_CHILDREN)
wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
wxFLAGS_MEMBER(wxWANTS_CHARS)
- wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
+ wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
wxFLAGS_MEMBER(wxVSCROLL)
wxFLAGS_MEMBER(wxHSCROLL)
IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h")
wxBEGIN_PROPERTIES_TABLE(wxTextCtrl)
- wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
+ 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( 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( 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 , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()
wxBEGIN_HANDLERS_TABLE(wxTextCtrl)
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()
#endif // wxUSE_RICHEDIT
m_privateContextMenu = NULL;
- m_suppressNextUpdate = FALSE;
+ m_updatesCount = -1;
m_isNativeCaretShown = true;
+ m_isCaretAtEnd = true;
}
wxTextCtrl::~wxTextCtrl()
{
- if (m_privateContextMenu)
- {
- delete m_privateContextMenu;
- m_privateContextMenu = NULL;
- }
+ delete m_privateContextMenu;
}
bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
const wxValidator& validator,
const wxString& name)
{
- // base initialization
- if ( !CreateBase(parent, id, pos, size, style, validator, name) )
- return FALSE;
+#ifdef __WXWINCE__
+ if ((style & wxBORDER_MASK) == 0)
+ style |= wxBORDER_SIMPLE;
+#endif
- if ( parent )
- parent->AddChild(this);
+ // base initialization
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
// translate wxWin style flags to MSW ones
WXDWORD msStyle = MSWGetCreateWindowFlags();
// we need to load the richedit DLL before creating the rich edit control
if ( m_windowStyle & wxTE_RICH )
{
- static bool s_errorGiven = FALSE;// MT-FIXME
+ static bool s_errorGiven = false;// MT-FIXME
// Which version do we need? Use 1.0 by default because it is much more
// like the the standard EDIT or 2.0 if explicitly requested, but use
{
wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
- s_errorGiven = TRUE;
+ s_errorGiven = true;
}
}
}
}
if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
- return FALSE;
-
- SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+ return false;
#if wxUSE_RICHEDIT
if ( IsRich() )
}
#endif // wxUSE_RICHEDIT
- return TRUE;
+ return true;
}
// Make sure the window style (etc.) reflects the HWND style (roughly)
#if wxUSE_RICHEDIT
wxString classname = wxGetWindowClass(GetHWND());
- if ( classname.IsSameAs(_T("EDIT"), FALSE /* no case */) )
+ if ( classname.IsSameAs(_T("EDIT"), false /* no case */) )
{
m_verRichEdit = 0;
}
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 )
if ( to == -1 )
to = len;
+#if !wxUSE_UNICODE
// we must use EM_STREAMOUT if we don't want to lose all characters
// not representable in the current character set (EM_GETTEXTRANGE
// simply replaces them with question marks...)
- //
- // as EM_STREAMOUT only works for the entire controls contents (or
- // just the selection but it's probably a bad idea to play games
- // with selection here...), we can't use it unless we're called
- // from GetValue(), i.e. we want to retrieve all text
- if ( GetRichVersion() > 1 && (from == 0 && to >= len) )
+ if ( GetRichVersion() > 1 )
{
+ // we must have some encoding, otherwise any 8bit chars in the
+ // control are simply *lost* (replaced by '?')
+ wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
+
wxFont font = m_defaultStyle.GetFont();
if ( !font.Ok() )
font = GetFont();
if ( font.Ok() )
{
- wxFontEncoding encoding = font.GetEncoding();
- if ( encoding != wxFONTENCODING_SYSTEM )
- {
- str = StreamOut(encoding);
- }
+ encoding = font.GetEncoding();
+ }
+
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ encoding = wxLocale::GetSystemEncoding();
+ }
+
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ encoding = wxFONTENCODING_ISO8859_1;
+ }
+
+ str = StreamOut(encoding);
+
+ if ( !str.empty() )
+ {
+ // we have to manually extract the required part, luckily
+ // 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);
}
}
// StreamOut() wasn't used or failed, try to do it in normal way
if ( str.empty() )
+#endif // !wxUSE_UNICODE
{
// alloc one extra WORD as needed by the control
wxStringBuffer tmp(str, ++len);
TEXTRANGE textRange;
textRange.chrg.cpMin = from;
- textRange.chrg.cpMax = to == -1 ? len : to;
+ textRange.chrg.cpMax = to;
textRange.lpstrText = p;
- (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE,
- 0, (LPARAM)&textRange);
+ (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE,
+ 0, (LPARAM)&textRange);
if ( m_verRichEdit > 1 )
{
// edit controls mostly)
if ( (value.length() > 0x400) || (value != GetValue()) )
{
- DoWriteText(value, FALSE /* not selection only */);
+ DoWriteText(value, false /* not selection only */);
+
+ // for compatibility, don't move the cursor when doing SetValue()
+ SetInsertionPoint(0);
}
else // same text
{
// 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)
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;
}
// the cast below is needed for broken (very) old mingw32 headers
eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
- // we're going to receive 2 EN_CHANGE notifications if we got any selection
- // (same problem as in DoWriteText())
- if ( selectionOnly && HasSelection() )
- {
- // so suppress one of them
- m_suppressNextUpdate = TRUE;
- }
+ // same problem as in DoWriteText(): we can get multiple events here
+ UpdatesCountFilter ucf(m_updatesCount);
::SendMessage(GetHwnd(), EM_STREAMIN,
SF_TEXT |
(selectionOnly ? SFF_SELECTION : 0),
(LPARAM)&eds);
+ wxASSERT_MSG( ucf.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
+
if ( eds.dwError )
{
wxLogLastError(_T("EM_STREAMIN"));
free(wchBuf);
#endif // !wxUSE_WCHAR_T
- return TRUE;
+ return true;
}
#if !wxUSE_UNICODE_MSLU
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
}
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);
}
}
#if wxUSE_RICHEDIT
// there are several complications with the rich edit controls here
- bool done = FALSE;
+ bool done = false;
if ( IsRich() )
{
// first, ensure that the new text will be in the default style
#endif // wxUSE_RICHEDIT
{
// in some cases we get 2 EN_CHANGE notifications after the SendMessage
- // call below which is confusing for the client code and so should be
- // avoided
- //
- // these cases are: (a) plain EDIT controls if EM_REPLACESEL is used
- // and there is a non empty selection currently and (b) rich text
- // controls in any case
- if (
-#if wxUSE_RICHEDIT
- IsRich() ||
-#endif // wxUSE_RICHEDIT
- (selectionOnly && HasSelection()) )
- {
- m_suppressNextUpdate = TRUE;
- }
+ // call (this happens for plain EDITs with EM_REPLACESEL and under some
+ // -- undetermined -- conditions with rich edit) and sometimes we don't
+ // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
+ // we generate exactly one of them by ignoring all but the first one in
+ // SendUpdateEvent() and generating one ourselves if we hadn't got any
+ // notifications from Windows
+ UpdatesCountFilter ucf(m_updatesCount);
::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
0, (LPARAM)valueDos.c_str());
- // OTOH, non rich text controls don't generate any events at all when
- // we use WM_SETTEXT -- have to emulate them here
- if ( !selectionOnly
-#if wxUSE_RICHEDIT
- && !IsRich()
-#endif // wxUSE_RICHEDIT
- )
+ if ( !ucf.GotUpdate() )
{
- // Windows already sends an update event for single-line
- // controls.
- if ( m_windowStyle & wxTE_MULTILINE )
- SendUpdateEvent();
+ SendUpdateEvent();
}
}
-
- AdjustSpaceLimit();
}
void wxTextCtrl::AppendText(const wxString& text)
WriteText(text);
#if wxUSE_RICHEDIT
- if ( IsMultiLine() && GetRichVersion() > 1 )
+ // don't do this if we're frozen, saves some time
+ if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
{
// setting the caret to the end and showing it simply doesn't work for
// RichEdit 2.0 -- force it to still do what we want
size_t lenOld = GetValue().length();
wxUint32 code = event.GetRawKeyCode();
- ::keybd_event(code, 0, 0 /* key press */, 0);
- ::keybd_event(code, 0, KEYEVENTF_KEYUP, 0);
+ ::keybd_event((BYTE)code, 0, 0 /* key press */, 0);
+ ::keybd_event((BYTE)code, 0, KEYEVENTF_KEYUP, 0);
// assume that any alphanumeric key changes the total number of characters
// in the control - this should work in 99% of cases
bool wxTextCtrl::CanPaste() const
{
if ( !IsEditable() )
- return FALSE;
+ return false;
#if wxUSE_RICHEDIT
if ( IsRich() )
// Standard edit control: check for straight text on clipboard
if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
- return FALSE;
+ return false;
bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
::CloseClipboard();
void wxTextCtrl::SetEditable(bool editable)
{
HWND hWnd = GetHwnd();
- SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
}
void wxTextCtrl::SetInsertionPoint(long pos)
{
DoSetSelection(pos, pos);
+
+ m_isCaretAtEnd = pos == GetLastPosition();
}
void wxTextCtrl::SetInsertionPointEnd()
// if it doesn't actually move the caret anywhere and so the simple fact of
// doing it results in horrible flicker when appending big amounts of text
// to the control in a few chunks (see DoAddText() test in the text sample)
- if ( GetInsertionPoint() == GetLastPosition() )
+ if ( m_isCaretAtEnd || GetInsertionPoint() == GetLastPosition() )
+ {
+ m_isCaretAtEnd = true;
return;
+ }
long pos;
CHARRANGE range;
range.cpMin = 0;
range.cpMax = 0;
- SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
+ ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
return range.cpMin;
}
#endif // wxUSE_RICHEDIT
- DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
+ DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
return Pos & 0xFFFF;
}
// own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
// us
if ( !m_hWnd )
- return TRUE;
+ return true;
long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
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) )
{
{
HWND hWnd = GetHwnd();
-#ifdef __WIN32__
#if wxUSE_RICHEDIT
if ( IsRich() )
{
CHARRANGE range;
range.cpMin = from;
range.cpMax = to;
- SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
+ ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
}
else
#endif // wxUSE_RICHEDIT
{
- SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
+ ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
}
- if ( scrollCaret )
+ if ( scrollCaret && !IsFrozen() )
{
#if wxUSE_RICHEDIT
// richedit 3.0 (i.e. the version living in riched20.dll distributed
}
#endif // wxUSE_RICHEDIT
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
#if wxUSE_RICHEDIT
// restore ECO_NOHIDESEL if we changed it
}
#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;
}
// ----------------------------------------------------------------------------
void wxTextCtrl::Replace(long from, long to, const wxString& value)
{
// Set selection and remove it
- DoSetSelection(from, to, FALSE /* don't scroll caret into view */);
+ DoSetSelection(from, to, false /* don't scroll caret into view */);
- SendMessage(GetHwnd(), EM_REPLACESEL,
-#ifdef __WIN32__
- TRUE,
-#else
- FALSE,
-#endif
- (LPARAM)value.c_str());
+ DoWriteText(value, true /* selection only */);
}
void wxTextCtrl::Remove(long from, long to)
Replace(from, to, wxEmptyString);
}
-bool wxTextCtrl::LoadFile(const wxString& file)
+bool wxTextCtrl::IsModified() const
{
- if ( wxTextCtrlBase::LoadFile(file) )
- {
- // update the size limit if needed
- AdjustSpaceLimit();
-
- return TRUE;
- }
-
- return FALSE;
+ return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
}
-bool wxTextCtrl::IsModified() const
+void wxTextCtrl::MarkDirty()
{
- return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
}
-// Makes 'unmodified'
void wxTextCtrl::DiscardEdits()
{
- SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
}
int wxTextCtrl::GetNumberOfLines() const
{
- return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+ 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
- long charIndex = SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+ long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
return charIndex + x;
}
#if wxUSE_RICHEDIT
if ( IsRich() )
{
- lineNo = SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
}
else
#endif // wxUSE_RICHEDIT
{
- lineNo = SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+ lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
}
if ( lineNo == -1 )
{
// no such line
- return FALSE;
+ return false;
}
// This gets the char index for the _beginning_ of this line
- long charIndex = SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
+ long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
if ( charIndex == -1 )
{
- return FALSE;
+ return false;
}
// The X position must therefore be the different between pos and charIndex
if ( y )
*y = lineNo;
- return TRUE;
+ return true;
}
+wxTextCtrlHitTestResult
+wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) 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;
+
+ if ( posOut )
+ *posOut = pos;
+
+ return rc;
+}
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::ShowPosition(long pos)
{
HWND hWnd = GetHwnd();
// Is this where scrolling is relative to - the line containing the caret?
// Or is the first visible line??? Try first visible line.
-// int currentLineLineNo1 = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
+// int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
- int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+ int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
- int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
+ int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
int linesToScroll = specifiedLineLineNo - currentLineLineNo;
if (linesToScroll != 0)
- (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
+ (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
+
+ // be pessimistic
+ m_isCaretAtEnd = false;
}
long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
void wxTextCtrl::SetMaxLength(unsigned long len)
{
+#if wxUSE_RICHEDIT
+ if (IsRich())
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, (LPARAM) (DWORD) len);
+ else
+#endif
::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
}
if (CanUndo())
{
::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+
+ // it's not necessarily at the end any more
+ m_isCaretAtEnd = false;
}
}
{
if (CanRedo())
{
+#if wxUSE_RICHEDIT
+ if (GetRichVersion() > 1)
+ ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
+ else
+#endif
// Same as Undo, since Undo undoes the undo, i.e. a redo.
::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+
+ // it's not necessarily at the end any more
+ m_isCaretAtEnd = false;
}
}
bool wxTextCtrl::CanRedo() const
{
+#if wxUSE_RICHEDIT
+ if (GetRichVersion() > 1)
+ return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
+ else
+#endif
return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
}
if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
{
if ( vkey == VK_BACK )
- return FALSE;
+ return false;
}
else // no Alt
{
case VK_DELETE:
case VK_HOME:
case VK_END:
- return FALSE;
+ return false;
}
}
else // Shift is pressed
{
if ( vkey == VK_INSERT || vkey == VK_DELETE )
- return FALSE;
+ return false;
}
}
}
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);
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;
}
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 )
{
bool wxTextCtrl::SendUpdateEvent()
{
- // is event reporting suspended?
- if ( m_suppressNextUpdate )
+ switch ( m_updatesCount )
{
- // do process the next one
- m_suppressNextUpdate = FALSE;
+ case 0:
+ // remember that we've got an update
+ m_updatesCount++;
+ break;
+
+ case 1:
+ // we had already sent one event since the last control modification
+ return false;
- return FALSE;
+ default:
+ wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
+ // fall through
+
+ case -1:
+ // we hadn't updated the control ourselves, this event comes from
+ // the user, don't need to ignore it nor update the count
+ break;
}
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
// the other edit notification messages are not processed
default:
- return FALSE;
+ return false;
}
// processed
- return TRUE;
-}
-
-WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-#if wxUSE_CTL3D
- WXUINT message,
- WXWPARAM wParam,
- WXLPARAM lParam
-#else
- WXUINT WXUNUSED(message),
- WXWPARAM WXUNUSED(wParam),
- WXLPARAM WXUNUSED(lParam)
-#endif
- )
-{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif // wxUSE_CTL3D
-
- HDC hdc = (HDC)pDC;
- wxColour colBack = GetBackgroundColour();
-
- if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0)
- colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
-
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
-
- wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
-
- return (WXHBRUSH)brush->GetResourceHandle();
+ return true;
}
-// In WIN16, need to override normal erasing because
-// Ctl3D doesn't use the wxWindows background colour.
-#ifdef __WIN16__
-void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
+WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC)
{
- 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);
+ if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
+ return MSWControlColorDisabled(hDC);
+ return wxTextCtrlBase::MSWControlColorSolid(hDC);
}
-#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
if ( limit < 0x8000 )
{
// we've got more text than limit set by SetMaxLength()
- return FALSE;
+ return false;
}
unsigned int len = ::GetWindowTextLength(GetHwnd());
::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
}
}
-#endif // !Win16
// we changed the limit
- return TRUE;
+ return true;
}
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);
}
}
}
+// ----------------------------------------------------------------------------
+// Default colors for MSW text control
+//
+// Set default background color to the native white instead of
+// the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
+// ----------------------------------------------------------------------------
+
+wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
+{
+ wxVisualAttributes attrs;
+ attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+ attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+ attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white
+
+ return attrs;
+}
+
// the rest of the file only deals with the rich edit controls
#if wxUSE_RICHEDIT
}
}
- // return TRUE to process the event (and FALSE to ignore it)
- return TRUE;
+ // return true to process the event (and false to ignore it)
+ return true;
case EN_LINK:
{
case WM_SETCURSOR:
// ok, so it is hardcoded - do we really nee to
// customize it?
- ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND)));
- *result = TRUE;
- break;
+ {
+ wxCursor cur(wxCURSOR_HAND);
+ ::SetCursor(GetHcursorOf(cur));
+ *result = TRUE;
+ break;
+ }
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:
break;
}
}
- return TRUE;
+ return true;
}
// not processed, leave it to the base class
if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
{
// colour didn't really change
- return FALSE;
+ return false;
}
if ( IsRich() )
::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
}
- return TRUE;
+ return true;
}
bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
if ( !wxTextCtrlBase::SetForegroundColour(colour) )
{
// colour didn't really change
- return FALSE;
+ return false;
}
if ( IsRich() )
::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
}
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
if ( !IsRich() )
{
// can't do it with normal text control
- return FALSE;
+ return false;
}
// the richedit 1.0 doesn't handle setting background colour, so don't
!style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
!style.HasTabs() )
{
- // nothing to do: return TRUE if there was really nothing to do and
- // FALSE if we failed to set bg colour
+ // nothing to do: return true if there was really nothing to do and
+ // false if we failed to set bg colour
return !style.HasBackgroundColour();
}
if ( changeSel )
{
- DoSetSelection(start, end, FALSE /* don't scroll caret into view */);
+ DoSetSelection(start, end, false /* don't scroll caret into view */);
}
// initialize CHARFORMAT struct
cf.dwEffects |= CFE_UNDERLINE;
}
- // strikeout fonts are not supported by wxWindows
+ // strikeout fonts are not supported by wxWidgets
}
if ( style.HasTextColour() )
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())
const wxArrayInt& tabs = style.GetTabs();
- pf.cTabCount = wxMin(tabs.GetCount(), MAX_TAB_STOPS);
+ pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
size_t i;
for (i = 0; i < (size_t) pf.cTabCount; i++)
{
if ( changeSel )
{
// restore the original selection
- DoSetSelection(startOld, endOld, FALSE);
+ DoSetSelection(startOld, endOld, false);
}
return ok;
bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
{
if ( !wxTextCtrlBase::SetDefaultStyle(style) )
- return FALSE;
+ return false;
- // we have to do this or the style wouldn't apply for the text typed by the
- // user
- long posLast = GetLastPosition();
- SetStyle(posLast, posLast, m_defaultStyle);
+ if ( IsEditable() )
+ {
+ // we have to do this or the style wouldn't apply for the text typed by
+ // the user
+ long posLast = GetLastPosition();
+ SetStyle(posLast, posLast, m_defaultStyle);
+ }
- return TRUE;
+ return true;
}
bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
if ( !IsRich() )
{
// can't do it with normal text control
- return FALSE;
+ return false;
}
// initialize CHARFORMAT struct
if ( changeSel )
{
- DoSetSelection(position, position, FALSE /* don't scroll caret into view */);
+ DoSetSelection(position, position, false /* don't scroll caret into view */);
}
// get the selection formatting
(void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
SCF_SELECTION, (LPARAM)&cf) ;
+
LOGFONT lf;
lf.lfHeight = cf.yHeight;
lf.lfWidth = 0;
lf.lfClipPrecision = 0;
lf.lfEscapement = 0;
wxStrcpy(lf.lfFaceName, cf.szFaceName);
+
+ //NOTE: we _MUST_ set each of these values to _something_ since we
+ //do not call wxZeroMemory on the LOGFONT lf
if (cf.dwEffects & CFE_ITALIC)
lf.lfItalic = TRUE;
+ else
+ lf.lfItalic = FALSE;
+
lf.lfOrientation = 0;
lf.lfPitchAndFamily = cf.bPitchAndFamily;
lf.lfQuality = 0;
+
if (cf.dwEffects & CFE_STRIKEOUT)
lf.lfStrikeOut = TRUE;
+ else
+ lf.lfStrikeOut = FALSE;
+
if (cf.dwEffects & CFE_UNDERLINE)
lf.lfUnderline = TRUE;
+ else
+ lf.lfUnderline = FALSE;
+
if (cf.dwEffects & CFE_BOLD)
lf.lfWeight = FW_BOLD;
+ else
+ lf.lfWeight = FW_NORMAL;
wxFont font = wxCreateFontFromLogFont(& lf);
if (font.Ok())
// 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)
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 )
{
// restore the original selection
- DoSetSelection(startOld, endOld, FALSE);
+ DoSetSelection(startOld, endOld, false);
}
- return TRUE;
+ return true;
}
#endif
bool wxRichEditModule::OnInit()
{
// don't do anything - we will load it when needed
- return TRUE;
+ return true;
}
void wxRichEditModule::OnExit()
{
// we don't support loading richedit 3.0 as I don't know how to distinguish
// it from 2.0 anyhow
- wxCHECK_MSG( version == 1 || version == 2, FALSE,
+ wxCHECK_MSG( version == 1 || version == 2, false,
_T("incorrect richedit control version requested") );
// make it the index in the array
if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
{
// we had already tried to load it and failed
- return FALSE;
+ return false;
}
if ( ms_hRichEdit[version] )
{
// we've already got this one
- return TRUE;
+ return true;
}
wxString dllname = version ? _T("riched20") : _T("riched32");
ms_hRichEdit[version] = (HINSTANCE)-1;
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
#endif // wxUSE_RICHEDIT
-#endif // wxUSE_TEXTCTRL
+#endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)
projects / wxWidgets.git / blobdiff