/////////////////////////////////////////////////////////////////////////////
-// Name: msw/textctrl.cpp
+// Name: src/msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
// declarations
// ============================================================================
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "textctrl.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/app.h"
#include "wx/menu.h"
#include "wx/math.h"
+ #include "wx/module.h"
#endif
-#include "wx/module.h"
+#include "wx/sysopt.h"
#if wxUSE_CLIPBOARD
#include "wx/clipbrd.h"
#include "wx/msw/private.h"
#include "wx/msw/winundef.h"
+#include "wx/msw/mslu.h"
#include <string.h>
#include <stdlib.h>
#if wxUSE_RICHEDIT
+#if wxUSE_INKEDIT
+#include "wx/dynlib.h"
+#endif
+
// old mingw32 has richedit stuff directly in windows.h and doesn't have
// richedit.h at all
#if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
#include <richedit.h>
#endif
-#include "wx/msw/missing.h"
-
#endif // wxUSE_RICHEDIT
+#include "wx/msw/missing.h"
+
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
// load the richedit DLL for the specified version of rich edit
static bool Load(Version version);
+#if wxUSE_INKEDIT
+ // load the InkEdit library
+ static bool LoadInkEdit();
+#endif
+
private:
// the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
static HINSTANCE ms_hRichEdit[Version_Max];
+#if wxUSE_INKEDIT
+ static wxDynamicLibrary ms_inkEditLib;
+ static bool ms_inkEditLibLoadAttemped;
+#endif
+
DECLARE_DYNAMIC_CLASS(wxRichEditModule)
};
HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
+#if wxUSE_INKEDIT
+wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
+bool wxRichEditModule::ms_inkEditLibLoadAttemped = false;
+#endif
+
IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
#endif // wxUSE_RICHEDIT
UpdatesCountFilter(int& count)
: m_count(count)
{
- wxASSERT_MSG( m_count == -1, _T("wrong initial m_updatesCount value") );
+ wxASSERT_MSG( m_count == -1 || m_count == -2,
+ _T("wrong initial m_updatesCount value") );
- m_count = 0;
+ if (m_count != -2)
+ m_count = 0;
+ //else: we don't want to count how many update events we get as we're going
+ // to ignore all of them
}
~UpdatesCountFilter()
wxFLAGS_MEMBER(wxTE_CENTRE)
wxFLAGS_MEMBER(wxTE_RIGHT)
wxFLAGS_MEMBER(wxTE_DONTWRAP)
- wxFLAGS_MEMBER(wxTE_LINEWRAP)
+ wxFLAGS_MEMBER(wxTE_CHARWRAP)
wxFLAGS_MEMBER(wxTE_WORDWRAP)
wxEND_FLAGS( wxTextCtrlStyle )
wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
#else
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
#endif
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
EVT_CHAR(wxTextCtrl::OnChar)
EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
m_verRichEdit = 0;
#endif // wxUSE_RICHEDIT
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 0;
+#endif
+
m_privateContextMenu = NULL;
m_updatesCount = -1;
m_isNativeCaretShown = true;
delete m_privateContextMenu;
}
-bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
+bool wxTextCtrl::Create(wxWindow *parent,
+ wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxSize& size,
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
+ if ( !MSWCreateText(value, pos, size) )
+ return false;
+
+ return true;
+}
+
+bool wxTextCtrl::MSWCreateText(const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size)
+{
// translate wxWin style flags to MSW ones
WXDWORD msStyle = MSWGetCreateWindowFlags();
#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
// A control that capitalizes the first letter
- if (style & wxTE_CAPITALIZE)
+ if ( HasFlag(wxTE_CAPITALIZE) )
windowClass = wxT("CAPEDIT");
#endif
m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
- if ( m_verRichEdit == 2 )
+#if wxUSE_INKEDIT
+ // First test if we can load an ink edit control. Normally, all edit
+ // controls will be made ink edit controls if a tablet environment is
+ // found (or if msw.inkedit != 0 and the InkEd.dll is present).
+ // However, an application can veto ink edit controls by either specifying
+ // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
+ //
+ if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
+ !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
{
- if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+ if (wxRichEditModule::LoadInkEdit())
{
- // yes, class name for version 4.1 really is 5.0
- windowClass = _T("RICHEDIT50W");
+ windowClass = INKEDIT_CLASS;
+
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 1;
+#endif
+
+ // Fake rich text version for other calls
+ m_verRichEdit = 2;
}
- else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+ }
+#endif
+
+ if (!IsInkEdit())
+ {
+ if ( m_verRichEdit == 2 )
{
- windowClass = _T("RichEdit20")
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+ {
+ // yes, class name for version 4.1 really is 5.0
+ windowClass = _T("RICHEDIT50W");
+ }
+ else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+ {
+ windowClass = _T("RichEdit20")
#if wxUSE_UNICODE
- _T("W");
+ _T("W");
#else // ANSI
- _T("A");
+ _T("A");
#endif // Unicode/ANSI
+ }
+ else // failed to load msftedit.dll and riched20.dll
+ {
+ m_verRichEdit = 1;
+ }
}
- else // failed to load msftedit.dll and riched20.dll
- {
- m_verRichEdit = 1;
- }
- }
- if ( m_verRichEdit == 1 )
- {
- if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
- {
- windowClass = _T("RICHEDIT");
- }
- else // failed to load any richedit control DLL
+ if ( m_verRichEdit == 1 )
{
- // only give the error msg once if the DLL can't be loaded
- static bool s_errorGiven = false; // MT ok as only used by GUI
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
+ {
+ windowClass = _T("RICHEDIT");
+ }
+ else // failed to load any richedit control DLL
+ {
+ // only give the error msg once if the DLL can't be loaded
+ static bool s_errorGiven = false; // MT ok as only used by GUI
- wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+ if ( !s_errorGiven )
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
- s_errorGiven = true;
+ s_errorGiven = true;
+ }
- m_verRichEdit = 0;
+ m_verRichEdit = 0;
+ }
}
- }
+ } // !useInkEdit
}
#endif // wxUSE_RICHEDIT
return false;
#if wxUSE_RICHEDIT
- if ( IsRich() )
+ if (IsRich())
{
+#if wxUSE_INKEDIT
+ if (IsInkEdit())
+ {
+ // Pass IEM_InsertText (0) as wParam, in order to have the ink always
+ // converted to text.
+ ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
+
+ // Make sure the mouse can be used for input
+ ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
+ }
+#endif
+
// enable the events we're interested in: we want to get EN_CHANGE as
// for the normal controls
LPARAM mask = ENM_CHANGE;
- if ( GetRichVersion() == 1 )
+ if (GetRichVersion() == 1 && !IsInkEdit())
{
// we also need EN_MSGFILTER for richedit 1.0 for the reasons
// explained in its handler
// Windows XP, so if we're sure it works correctly under other
// systems we could do this only for XP
SetSize(-1, 1); // 1 is small enough to force vert scrollbar
- SetSize(size);
+ SetInitialSize(size);
}
else if ( m_windowStyle & wxTE_AUTO_URL )
{
// styles which we alaways add by default
if ( style & wxTE_MULTILINE )
{
- wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
- wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
-
msStyle |= ES_MULTILINE | ES_WANTRETURN;
if ( !(style & wxTE_NO_VSCROLL) )
{
void wxTextCtrl::SetWindowStyleFlag(long style)
{
+ // changing the alignment of the control dynamically only works under XP
+ // (but not older Windows version) and only for plain EDIT controls (not
+ // RICH ones) and we have to recreate the control to make it always work
+ if ( IsRich() || wxGetWinVersion() < wxWinVersion_XP )
+ {
+ const long alignMask = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
+ if ( (style & alignMask) != (GetWindowStyle() & alignMask) )
+ {
+ const wxString value = GetValue();
+ const wxPoint pos = GetPosition();
+ const wxSize size = GetSize();
+
+ // delete the old window
+ HWND hwnd = GetHwnd();
+ DissociateHandle();
+ ::DestroyWindow(hwnd);
+
+ // create the new one with the updated flags
+ m_windowStyle = style;
+ MSWCreateText(value, pos, size);
+
+ // and make sure it has the same attributes as before
+ if ( m_hasFont )
+ {
+ // calling SetFont(m_font) would do nothing as the code would
+ // notice that the font didn't change, so force it to believe
+ // that it did
+ wxFont font = m_font;
+ m_font = wxNullFont;
+ SetFont(font);
+ }
+
+ if ( m_hasFgCol )
+ {
+ wxColour colFg = m_foregroundColour;
+ m_foregroundColour = wxNullColour;
+ SetForegroundColour(colFg);
+ }
+
+ if ( m_hasBgCol )
+ {
+ wxColour colBg = m_backgroundColour;
+ m_backgroundColour = wxNullColour;
+ SetBackgroundColour(colBg);
+ }
+
+ // note that text styles are lost but this is probably not a big
+ // problem: if you use styles, you probably don't use nor change
+ // alignment flags anyhow
+
+ return;
+ }
+ }
+
#if wxUSE_RICHEDIT
// we have to deal with some styles separately because they can't be
// changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
// set/get the controls text
// ----------------------------------------------------------------------------
+bool wxTextCtrl::IsEmpty() const
+{
+ // this is an optimization for multiline controls containing a lot of text
+ if ( IsMultiLine() && GetNumberOfLines() != 1 )
+ return false;
+
+ return wxTextCtrlBase::IsEmpty();
+}
+
wxString wxTextCtrl::GetValue() const
{
// range 0..-1 is special for GetRange() and means to retrieve all text
return str;
}
-void wxTextCtrl::SetValue(const wxString& value)
+void wxTextCtrl::DoSetValue(const wxString& value, int flags)
{
// if the text is long enough, it's faster to just set it instead of first
// comparing it with the old one (chances are that it will be different
// edit controls mostly)
if ( (value.length() > 0x400) || (value != GetValue()) )
{
- DoWriteText(value, false /* not selection only */);
+ DoWriteText(value, flags /* doesn't include SelectionOnly here */);
+
+ // 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);
}
else // same text
{
+ // still reset the modified flag even if the value didn't really change
+ // because now it comes from the program and not the user (and do it
+ // before generating the event so that the event handler could get the
+ // expected value from IsModified())
+ DiscardEdits();
+
// still send an event for consistency
- SendUpdateEvent();
+ if (flags & SetValue_SendEvent)
+ SendUpdateEvent();
}
-
- // we should reset the modified flag even if the value didn't really change
-
- // mark the control as being not dirty - we changed its text, not the
- // user
- DiscardEdits();
}
#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
(selectionOnly ? SFF_SELECTION : 0),
(LPARAM)&eds);
- wxASSERT_MSG( ucf.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
+ // It's okay for EN_UPDATE to not be sent if the selection is empty and
+ // the text is empty, otherwise warn the programmer about it.
+ wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
+ _T("EM_STREAMIN didn't send EN_UPDATE?") );
if ( eds.dwError )
{
DoWriteText(value);
}
-void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
+void wxTextCtrl::DoWriteText(const wxString& value, int flags)
{
+ bool selectionOnly = (flags & SetValue_SelectionOnly) != 0;
wxString valueDos;
if ( m_windowStyle & wxTE_MULTILINE )
valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
// 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
+ if ( !(flags & SetValue_SendEvent) )
+ m_updatesCount = -2; // suppress any update event
+
UpdatesCountFilter ucf(m_updatesCount);
::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
- 0, (LPARAM)valueDos.c_str());
+ // EM_REPLACESEL takes 1 to indicate the operation should be redoable
+ selectionOnly ? 1 : 0, (LPARAM)valueDos.c_str());
- if ( !ucf.GotUpdate() )
+ if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )
{
SendUpdateEvent();
}
// 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() )
+ const wxTextPos lastPosition = GetLastPosition();
+ if ( GetInsertionPoint() == lastPosition )
{
return;
}
else // !RichEdit 1.0
#endif // wxUSE_RICHEDIT
{
- pos = GetLastPosition();
+ pos = lastPosition;
}
SetInsertionPoint(pos);
// ES_DISABLENOSCROLL
//
// this is very ugly but I don't see any other way to make this work
+ long style = 0;
if ( GetRichVersion() > 1 )
{
if ( !HasFlag(wxTE_NOHIDESEL) )
{
+ // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
+ // others, remember the style so we can reset it later if needed
+ style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_OR, ECO_NOHIDESEL);
}
{
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_AND, ~ECO_NOHIDESEL);
+ if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
+ ::SetWindowLong(GetHwnd(), GWL_STYLE, style);
}
#endif // wxUSE_RICHEDIT
}
// Working with files
// ----------------------------------------------------------------------------
-bool wxTextCtrl::LoadFile(const wxString& file)
+bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType)
{
- if ( wxTextCtrlBase::LoadFile(file) )
+ if ( wxTextCtrlBase::DoLoadFile(file, fileType) )
{
// update the size limit if needed
AdjustSpaceLimit();
// Set selection and remove it
DoSetSelection(from, to, false /* don't scroll caret into view */);
- DoWriteText(value, true /* selection only */);
+ DoWriteText(value);
}
void wxTextCtrl::Remove(long from, long to)
void wxTextCtrl::SetMaxLength(unsigned long len)
{
#if wxUSE_RICHEDIT
- if (IsRich())
- ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, (LPARAM) (DWORD) len);
+ if ( IsRich() )
+ {
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
+ }
else
-#endif
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+#endif // wxUSE_RICHEDIT
+ {
+ if ( len >= 0xffff )
+ {
+ // this will set it to a platform-dependent maximum (much more
+ // than 64Kb under NT)
+ len = 0;
+ }
+
+ ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+ }
}
// ----------------------------------------------------------------------------
// kbd input processing
// ----------------------------------------------------------------------------
-bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
{
- MSG *msg = (MSG *)pMsg;
-
// check for our special keys here: if we don't do it and the parent frame
// uses them as accelerators, they wouldn't work at all, so we disable
// usual preprocessing for them
if ( msg->message == WM_KEYDOWN )
{
- WORD vkey = (WORD) msg->wParam;
- if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+ const WPARAM vkey = msg->wParam;
+ if ( HIWORD(msg->lParam) & KF_ALTDOWN )
{
+ // Alt-Backspace is accelerator for "Undo"
if ( vkey == VK_BACK )
return false;
}
// fall through
case 0:
+ if ( IsMultiLine() && vkey == VK_RETURN )
+ return false;
+ // fall through
case 2:
break;
}
}
- return wxControl::MSWShouldPreProcessMessage(pMsg);
+ return wxControl::MSWShouldPreProcessMessage(msg);
}
void wxTextCtrl::OnChar(wxKeyEvent& event)
switch ( event.GetKeyCode() )
{
case WXK_RETURN:
- if ( !HasFlag(wxTE_MULTILINE) )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
InitCommandEvent(event);
event.SetString(GetValue());
if ( GetEventHandler()->ProcessEvent(event) )
+ if ( !HasFlag(wxTE_MULTILINE) )
return;
+ //else: multiline controls need Enter for themselves
}
- //else: multiline controls need Enter for themselves
-
break;
case WXK_TAB:
// Insert tab since calling the default Windows handler
// doesn't seem to do it
WriteText(wxT("\t"));
+ return;
}
break;
}
{
WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
- if ( nMsg == WM_GETDLGCODE )
+ switch ( nMsg )
{
- // we always want the chars and the arrows: the arrows for navigation
- // and the chars because we want Ctrl-C to work even in a read only
- // control
- long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
+ case WM_GETDLGCODE:
+ {
+ // we always want the chars and the arrows: the arrows for
+ // navigation and the chars because we want Ctrl-C to work even
+ // in a read only control
+ long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
- if ( IsEditable() )
- {
- // we may have several different cases:
- // 1. normal case: both TAB and ENTER are used for dlg navigation
- // 2. ctrl which wants TAB for itself: ENTER is used to pass to the
- // next control in the dialog
- // 3. ctrl which wants ENTER for itself: TAB is used for dialog
- // navigation
- // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
- // to the next control
-
- // the multiline edit control should always get <Return> for itself
- if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
- lDlgCode |= DLGC_WANTMESSAGE;
-
- if ( HasFlag(wxTE_PROCESS_TAB) )
- lDlgCode |= DLGC_WANTTAB;
-
- lRc |= lDlgCode;
- }
- else // !editable
- {
- // NB: use "=", not "|=" as the base class version returns the
- // same flags is this state as usual (i.e. including
- // DLGC_WANTMESSAGE). This is strange (how does it work in the
- // native Win32 apps?) but for now live with it.
- lRc = lDlgCode;
- }
+ if ( IsEditable() )
+ {
+ // we may have several different cases:
+ // 1. normal: both TAB and ENTER are used for navigation
+ // 2. ctrl wants TAB for itself: ENTER is used to pass to
+ // the next control in the dialog
+ // 3. ctrl wants ENTER for itself: TAB is used for dialog
+ // navigation
+ // 4. ctrl wants both TAB and ENTER: Ctrl-ENTER is used to
+ // go to the next control (we need some way to do it)
+
+ // multiline controls should always get ENTER for themselves
+ if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
+ lDlgCode |= DLGC_WANTMESSAGE;
+
+ if ( HasFlag(wxTE_PROCESS_TAB) )
+ lDlgCode |= DLGC_WANTTAB;
+
+ lRc |= lDlgCode;
+ }
+ else // !editable
+ {
+ // NB: use "=", not "|=" as the base class version returns
+ // the same flags is this state as usual (i.e.
+ // including DLGC_WANTMESSAGE). This is strange (how
+ // does it work in the native Win32 apps?) but for now
+ // live with it.
+ lRc = lDlgCode;
+ }
+ }
+ break;
+
+ case WM_CUT:
+ case WM_COPY:
+ case WM_PASTE:
+ if ( HandleClipboardEvent(nMsg) )
+ lRc = 0;
+ break;
}
return lRc;
// we hadn't updated the control ourselves, this event comes from
// the user, don't need to ignore it nor update the count
break;
+
+ case -2:
+ // the control was updated programmatically and we do NOT want to
+ // send events
+ return false;
}
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
return true;
}
-WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC)
+WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
{
if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
return MSWControlColorDisabled(hDC);
- return wxTextCtrlBase::MSWControlColor(hDC);
+ return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
}
-bool wxTextCtrl::AdjustSpaceLimit()
+bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
{
- unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
-
// HACK: we try to automatically extend the limit for the amount of text
// to allow (interactively) entering more than 64Kb of text under
// Win9x but we shouldn't reset the text limit which was previously
// set explicitly with SetMaxLength()
//
- // we could solve this by storing the limit we set in wxTextCtrl but
- // to save space we prefer to simply test here the actual limit
- // value: we consider that SetMaxLength() can only be called for
- // values < 32Kb
- if ( limit < 0x8000 )
- {
- // we've got more text than limit set by SetMaxLength()
+ // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
+ // know the limit we set (if any). We could solve this by storing the
+ // limit we set in wxTextCtrl but to save space we prefer to simply
+ // test here the actual limit value: we consider that SetMaxLength()
+ // can only be called for small values while EN_MAXTEXT is only sent
+ // for large values (in practice the default limit seems to be 30000
+ // but make it smaller just to be on the safe side)
+ *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+ return *len < 10001;
+
+}
+
+bool wxTextCtrl::AdjustSpaceLimit()
+{
+ unsigned int limit;
+ if ( HasSpaceLimit(&limit) )
return false;
- }
unsigned int len = ::GetWindowTextLength(GetHwnd());
if ( len >= limit )
{
- limit = len + 0x8000; // 32Kb
-
-#if wxUSE_RICHEDIT
- if ( IsRich() )
- {
- // as a nice side effect, this also allows passing limit > 64Kb
- ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
- }
- else
-#endif // wxUSE_RICHEDIT
- {
- if ( limit > 0xffff )
- {
- // this will set it to a platform-dependent maximum (much more
- // than 64Kb under NT)
- limit = 0;
- }
-
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
- }
+ // increment in 32Kb chunks
+ SetMaxLength(len + 0x8000);
}
// we changed the limit
int hText = cy;
if ( m_windowStyle & wxTE_MULTILINE )
{
- hText *= wxMax(GetNumberOfLines(), 5);
+ hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
}
//else: for single line control everything is ok
}
}
- if (pf.dwMask != 0)
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit > 1 )
+ {
+ if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+ {
+ // Use RTL paragraphs in RTL mode to get proper layout
+ pf.dwMask |= PFM_RTLPARA;
+ pf.wEffects |= PFE_RTLPARA;
+ }
+ }
+#endif // wxUSE_RICHEDIT2
+
+ if ( pf.dwMask )
{
// do format the selection
bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
- 0, (LPARAM) &pf) != 0;
+ 0, (LPARAM) &pf) != 0;
if ( !ok )
{
wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
if ( changeSel )
{
- DoSetSelection(position, position, false /* don't scroll caret into view */);
+ DoSetSelection(position, position+1, false /* don't scroll caret into view */);
}
// get the selection formatting
ms_hRichEdit[i] = NULL;
}
}
+#if wxUSE_INKEDIT
+ if (ms_inkEditLib.IsLoaded())
+ ms_inkEditLib.Unload();
+#endif
}
/* static */
return true;
}
+#if wxUSE_INKEDIT
+// load the InkEdit library
+bool wxRichEditModule::LoadInkEdit()
+{
+ static wxDynamicLibrary ms_inkEditLib;
+ static bool ms_inkEditLibLoadAttemped;
+ if (ms_inkEditLibLoadAttemped)
+ ms_inkEditLib.IsLoaded();
+
+ ms_inkEditLibLoadAttemped = true;
+
+ wxLogNull logNull;
+ return ms_inkEditLib.Load(wxT("inked"));
+}
+#endif
+
+
#endif // wxUSE_RICHEDIT
#endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)
projects / wxWidgets.git / blobdiff