/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: src/msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
-#ifdef __GNUG__
- #pragma implementation "textctrl.h"
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#pragma hdrstop
#endif
+#if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
+
#ifndef WX_PRECOMP
#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"
+ #include "wx/app.h"
+ #include "wx/menu.h"
+ #include "wx/math.h"
+ #include "wx/module.h"
+ #include "wx/wxcrtvararg.h"
#endif
+#include "wx/sysopt.h"
+
#if wxUSE_CLIPBOARD
- #include "wx/app.h"
#include "wx/clipbrd.h"
#endif
#include <windowsx.h>
#include "wx/msw/private.h"
+#include "wx/msw/winundef.h"
+#include "wx/msw/mslu.h"
#include <string.h>
#include <stdlib.h>
-#include <sys/types.h>
-#if wxUSE_IOSTREAMH
-# include <fstream.h>
-#else
-# include <fstream>
+#ifndef __WXWINCE__
+#include <sys/types.h>
#endif
-#if wxUSE_RICHEDIT && !defined(__GNUWIN32__)
+#if wxUSE_RICHEDIT
+
+// 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
-#if !USE_SHARED_LIBRARY
+#endif // wxUSE_RICHEDIT
+
+#include "wx/msw/missing.h"
+
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+
+// dummy value used for m_dropTarget, different from any valid pointer value
+// (which are all even under Windows) and NULL
+static wxDropTarget *
+ wxRICHTEXT_DEFAULT_DROPTARGET = reinterpret_cast<wxDropTarget *>(1);
+
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
// ----------------------------------------------------------------------------
-// event tables and other macros
+// private classes
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+#if wxUSE_RICHEDIT
+
+// this module initializes RichEdit DLL(s) if needed
+class wxRichEditModule : public wxModule
+{
+public:
+ enum Version
+ {
+ Version_1, // riched32.dll
+ Version_2or3, // both use riched20.dll
+ Version_41, // msftedit.dll (XP SP1 and Windows 2003)
+ Version_Max
+ };
+
+ virtual bool OnInit();
+ virtual void OnExit();
+
+ // 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
+
+// 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 || m_count == -2,
+ wxT("wrong initial m_updatesCount value") );
+
+ 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()
+ {
+ m_count = -1;
+ }
+
+ // return true if an event has been received
+ bool GotUpdate() const
+ {
+ return m_count == 1;
+ }
+
+private:
+ int& m_count;
+
+ wxDECLARE_NO_COPY_CLASS(UpdatesCountFilter);
+};
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+// ----------------------------------------------------------------------------
+// event tables and other macros
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
EVT_CHAR(wxTextCtrl::OnChar)
+ EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+#if wxUSE_RICHEDIT
+ EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
+#endif
+
EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
+ EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
+ EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
-END_EVENT_TABLE()
+ EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
+ EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
-#endif // USE_SHARED_LIBRARY
+ EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
+END_EVENT_TABLE()
// ============================================================================
// implementation
// creation
// ----------------------------------------------------------------------------
-wxTextCtrl::wxTextCtrl()
+void wxTextCtrl::Init()
{
#if wxUSE_RICHEDIT
- m_isRich = FALSE;
+ m_verRichEdit = 0;
+#endif // wxUSE_RICHEDIT
+
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 0;
#endif
+
+ m_privateContextMenu = NULL;
+ m_updatesCount = -1;
+ m_isNativeCaretShown = true;
+}
+
+wxTextCtrl::~wxTextCtrl()
+{
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+ if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
+ {
+ // don't try to destroy this dummy pointer in the base class dtor
+ m_dropTarget = NULL;
+ }
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+
+ 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,
const wxString& name)
{
// base initialization
- if ( !CreateBase(parent, id, pos, size, style, name) )
- return FALSE;
+ if ( !CreateControl(parent, id, pos, size, style, validator, name) )
+ return false;
- SetValidator(validator);
- if ( parent )
- parent->AddChild(this);
+ if ( !MSWCreateText(value, pos, size) )
+ return false;
- // set colours
- SetupColours();
-
- // translate wxWin style flags to MSW ones, checking for consistency while
- // doing it
- long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- if ( m_windowStyle & wxTE_MULTILINE )
+#if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
+ if ( IsRich() )
{
- wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
- _T("wxTE_PROCESS_ENTER style is ignored for multiline "
- "text controls (they always process it)") );
-
- msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL;
- m_windowStyle |= wxTE_PROCESS_ENTER;
+ // rich text controls have a default associated drop target which
+ // allows them to receive (rich) text dropped on them, which is nice,
+ // but prevents us from associating a user-defined drop target with
+ // them as we need to unregister the old one first
+ //
+ // to make it work, we set m_dropTarget to this special value initially
+ // and check for it in our SetDropTarget()
+ m_dropTarget = wxRICHTEXT_DEFAULT_DROPTARGET;
}
- else
- msStyle |= ES_AUTOHSCROLL;
+#endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
- if (m_windowStyle & wxTE_READONLY)
- msStyle |= ES_READONLY;
+ return true;
+}
- if (m_windowStyle & wxHSCROLL)
- msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
- if (m_windowStyle & wxTE_PASSWORD) // hidden input
- msStyle |= ES_PASSWORD;
+// returns true if the platform should explicitly apply a theme border
+bool wxTextCtrl::CanApplyThemeBorder() const
+{
+#ifdef __WXWINCE__
+ return false;
+#else
+ // Standard text control already handles theming
+ return ((GetWindowStyle() & (wxTE_RICH|wxTE_RICH2)) != 0);
+#endif
+}
- // we always want the characters and the arrows
- m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
-
- // we may have several different cases:
- // 1. normal case: both TAB and ENTER are used for dialog 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 pass to
- // the next control
- if ( m_windowStyle & wxTE_PROCESS_ENTER )
- m_lDlgCode |= DLGC_WANTMESSAGE;
- if ( m_windowStyle & wxTE_PROCESS_TAB )
- m_lDlgCode |= DLGC_WANTTAB;
+bool wxTextCtrl::MSWCreateText(const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size)
+{
+ // translate wxWin style flags to MSW ones
+ WXDWORD msStyle = MSWGetCreateWindowFlags();
// do create the control - either an EDIT or RICHEDIT
- const wxChar *windowClass = _T("EDIT");
+ wxString windowClass = wxT("EDIT");
+
+#if defined(__POCKETPC__) || defined(__SMARTPHONE__)
+ // A control that capitalizes the first letter
+ if ( HasFlag(wxTE_CAPITALIZE) )
+ windowClass = wxT("CAPEDIT");
+#endif
#if wxUSE_RICHEDIT
- if ( m_windowStyle & wxTE_RICH )
+ if ( m_windowStyle & wxTE_AUTO_URL )
{
- msStyle |= ES_AUTOVSCROLL;
- m_isRich = TRUE;
- windowClass = _T("RICHEDIT");
+ // automatic URL detection only works in RichEdit 2.0+
+ m_windowStyle |= wxTE_RICH2;
}
- else
- m_isRich = FALSE;
-#endif
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
+ if ( m_windowStyle & wxTE_RICH2 )
+ {
+ // using richedit 2.0 implies using wxTE_RICH
+ m_windowStyle |= wxTE_RICH;
+ }
- // Even with extended styles, need to combine with WS_BORDER for them to
- // look right.
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
+ // we need to load the richedit DLL before creating the rich edit control
+ if ( m_windowStyle & wxTE_RICH )
+ {
+ // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
+ // each other but not with version 1.0, so we have separate flags for
+ // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
+ // EDIT control), 1 for version 1.0 or 2 for any higher version)
+ //
+ // notice that 1.0 has no Unicode support at all so in Unicode build we
+ // must use another version
+
+#if wxUSE_UNICODE
+ m_verRichEdit = 2;
+#else // !wxUSE_UNICODE
+ m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+#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::LoadInkEdit())
+ {
+ windowClass = INKEDIT_CLASS;
- // NB: don't use pos and size as CreateWindowEx arguments because they
- // 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,
- NULL,
- msStyle,
- 0, 0, 0, 0,
- GetHwndOf(parent),
- (HMENU)m_windowId,
- wxGetInstance(),
- NULL);
+#if wxUSE_INKEDIT && wxUSE_RICHEDIT
+ m_isInkEdit = 1;
+#endif
- wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create text ctrl") );
+ // Fake rich text version for other calls
+ m_verRichEdit = 2;
+ }
+ }
+#endif
-#if wxUSE_CTL3D
- if ( want3D )
- {
- Ctl3dSubclassCtl(GetHwnd());
- m_useCtl3D = TRUE;
+#if wxUSE_INKEDIT
+ if (!IsInkEdit())
+#endif // wxUSE_INKEDIT
+ {
+ if ( m_verRichEdit == 2 )
+ {
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
+ {
+ // yes, class name for version 4.1 really is 5.0
+ windowClass = wxT("RICHEDIT50W");
+
+ m_verRichEdit = 4;
+ }
+ else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
+ {
+ windowClass = wxT("RichEdit20")
+#if wxUSE_UNICODE
+ wxT("W");
+#else // ANSI
+ wxT("A");
+#endif // Unicode/ANSI
+ }
+ else // failed to load msftedit.dll and riched20.dll
+ {
+ m_verRichEdit = 1;
+ }
+ }
+
+ if ( m_verRichEdit == 1 )
+ {
+ if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
+ {
+ windowClass = wxT("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
+
+ if ( !s_errorGiven )
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
+
+ s_errorGiven = true;
+ }
+
+ m_verRichEdit = 0;
+ }
+ }
+ } // !useInkEdit
}
-#endif
+#endif // wxUSE_RICHEDIT
-#if wxUSE_RICHEDIT
- if (m_isRich)
+ // we need to turn '\n's into "\r\n"s for the multiline controls
+ wxString valueWin;
+ if ( m_windowStyle & wxTE_MULTILINE )
{
- // Have to enable events
- ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0,
- ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE);
+ valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
}
-#endif
+ else // single line
+ {
+ valueWin = value;
+ }
+
+ // suppress events sent during control creation: we're called either from
+ // the ctor and then we shouldn't generate any events for compatibility
+ // with the other ports, or from SetWindowStyleFlag() and then we shouldn't
+ // generate the events because our text doesn't really change, the fact
+ // that we (sometimes) need to recreate the control is just an
+ // implementation detail
+ m_updatesCount = -2;
+
+ if ( !MSWCreateControl(windowClass.t_str(), msStyle, pos, size, valueWin) )
+ return false;
- SubclassWin(GetHWND());
+ m_updatesCount = -1;
- // set font, position, size and initial value
- wxFont& fontParent = parent->GetFont();
- if ( fontParent.Ok() )
+#if wxUSE_RICHEDIT
+ if (IsRich())
{
- SetFont(fontParent);
+#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 && !IsInkEdit())
+ {
+ // we also need EN_MSGFILTER for richedit 1.0 for the reasons
+ // explained in its handler
+ mask |= ENM_MOUSEEVENTS;
+
+ // we also need to force the appearance of the vertical scrollbar
+ // initially as otherwise the control doesn't refresh correctly
+ // after resize: but once the vertical scrollbar had been shown
+ // (even if it's subsequently hidden) it does
+ //
+ // this is clearly a bug and for now it has been only noticed under
+ // 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
+ SetInitialSize(size);
+ }
+ else if ( m_windowStyle & wxTE_AUTO_URL )
+ {
+ mask |= ENM_LINK;
+
+ ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
+ }
+
+ ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
}
else
+#endif // wxUSE_RICHEDIT
+ if ( HasFlag(wxTE_MULTILINE) && HasFlag(wxTE_READONLY) )
{
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
+ // non-rich read-only multiline controls have grey background by
+ // default under MSW but this is not always appropriate, so forcefully
+ // reset the background colour to normal default
+ //
+ // this is not ideal but, after a long discussion on wx-dev (see
+ // http://thread.gmane.org/gmane.comp.lib.wxwidgets.devel/116360/) it
+ // was finally deemed to be the best behaviour by default (and ideally
+ // we'd have a way to change this, see #11521)
+ SetBackgroundColour(GetClassDefaultAttributes().colBg);
}
- // Causes a crash for Symantec C++ and WIN32 for some reason
-#if !(defined(__SC__) && defined(__WIN32__))
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
+#ifndef __WXWINCE__
+ // Without this, if we pass the size in the constructor and then don't change it,
+ // the themed borders will be drawn incorrectly.
+ SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
+ SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
+ SWP_FRAMECHANGED);
#endif
- SetSize(pos.x, pos.y, size.x, size.y);
-
- return TRUE;
+ return true;
}
// Make sure the window style (etc.) reflects the HWND style (roughly)
void wxTextCtrl::AdoptAttributesFromHWND()
{
- wxWindow::AdoptAttributesFromHWND();
+ wxWindow::AdoptAttributesFromHWND();
- HWND hWnd = GetHwnd();
- long style = GetWindowLong(hWnd, GWL_STYLE);
+ HWND hWnd = GetHwnd();
+ long style = ::GetWindowLong(hWnd, GWL_STYLE);
- // retrieve the style to see whether this is an edit or richedit ctrl
+ // retrieve the style to see whether this is an edit or richedit ctrl
#if wxUSE_RICHEDIT
- wxChar buf[256];
+ wxString classname = wxGetWindowClass(GetHWND());
- GetClassName(hWnd, buf, WXSIZEOF(buf));
+ if ( classname.IsSameAs(wxT("EDIT"), false /* no case */) )
+ {
+ m_verRichEdit = 0;
+ }
+ else // rich edit?
+ {
+ wxChar c;
+ if ( wxSscanf(classname, wxT("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
+ {
+ wxLogDebug(wxT("Unknown edit control '%s'."), classname.c_str());
- if ( wxStricmp(buf, _T("EDIT")) == 0 )
- m_isRich = FALSE;
- else
- m_isRich = TRUE;
+ m_verRichEdit = 0;
+ }
+ }
#endif // wxUSE_RICHEDIT
- if (style & ES_MULTILINE)
- m_windowStyle |= wxTE_MULTILINE;
- if (style & ES_PASSWORD)
- m_windowStyle |= wxTE_PASSWORD;
- if (style & ES_READONLY)
- m_windowStyle |= wxTE_READONLY;
- if (style & ES_WANTRETURN)
- m_windowStyle |= wxTE_PROCESS_ENTER;
+ if (style & ES_MULTILINE)
+ m_windowStyle |= wxTE_MULTILINE;
+ if (style & ES_PASSWORD)
+ m_windowStyle |= wxTE_PASSWORD;
+ if (style & ES_READONLY)
+ m_windowStyle |= wxTE_READONLY;
+ if (style & ES_WANTRETURN)
+ m_windowStyle |= wxTE_PROCESS_ENTER;
+ if (style & ES_CENTER)
+ m_windowStyle |= wxTE_CENTRE;
+ if (style & ES_RIGHT)
+ m_windowStyle |= wxTE_RIGHT;
}
-void wxTextCtrl::SetupColours()
+WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
{
- // FIXME why is bg colour not inherited from parent?
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(GetParent()->GetForegroundColour());
-}
-
-// ----------------------------------------------------------------------------
-// set/get the controls text
-// ----------------------------------------------------------------------------
+ long msStyle = wxControl::MSWGetStyle(style, exstyle);
-wxString wxTextCtrl::GetValue() const
-{
- return wxGetWindowText(GetHWND());
-}
+ // styles which we always add by default
+ if ( style & wxTE_MULTILINE )
+ {
+ msStyle |= ES_MULTILINE | ES_WANTRETURN;
+ if ( !(style & wxTE_NO_VSCROLL) )
+ {
+ // always adjust the vertical scrollbar automatically if we have it
+ msStyle |= WS_VSCROLL | ES_AUTOVSCROLL;
-void wxTextCtrl::SetValue(const wxString& value)
-{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+#if wxUSE_RICHEDIT
+ // we have to use this style for the rich edit controls because
+ // without it the vertical scrollbar never appears at all in
+ // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
+ if ( style & wxTE_RICH2 )
+ {
+ msStyle |= ES_DISABLENOSCROLL;
+ }
+#endif // wxUSE_RICHEDIT
+ }
- SetWindowText(GetHwnd(), valueDos);
+ style |= wxTE_PROCESS_ENTER;
+ }
+ else // !multiline
+ {
+ // there is really no reason to not have this style for single line
+ // text controls
+ msStyle |= ES_AUTOHSCROLL;
+ }
- AdjustSpaceLimit();
-}
+ // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
+ // scrollbar, there is no wrapping -- which makes sense
+ if ( style & wxTE_DONTWRAP )
+ {
+ // automatically scroll the control horizontally as necessary
+ //
+ // 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;
+ }
-void wxTextCtrl::WriteText(const wxString& value)
-{
- wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ if ( style & wxTE_READONLY )
+ msStyle |= ES_READONLY;
- SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+ if ( style & wxTE_PASSWORD )
+ msStyle |= ES_PASSWORD;
- AdjustSpaceLimit();
-}
+ if ( style & wxTE_NOHIDESEL )
+ msStyle |= ES_NOHIDESEL;
-void wxTextCtrl::AppendText(const wxString& text)
-{
- SetInsertionPointEnd();
- WriteText(text);
-}
+ // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
+ if ( style & wxTE_CENTRE )
+ msStyle |= ES_CENTER;
+ else if ( style & wxTE_RIGHT )
+ msStyle |= ES_RIGHT;
+ else
+ msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...
-void wxTextCtrl::Clear()
-{
- SetWindowText(GetHwnd(), _T(""));
+ return msStyle;
}
-// ----------------------------------------------------------------------------
-// Clipboard operations
-// ----------------------------------------------------------------------------
-
-void wxTextCtrl::Copy()
+void wxTextCtrl::SetWindowStyleFlag(long style)
{
- if (CanCopy())
+ // changing the alignment of the control dynamically works under Win2003
+ // (but not older Windows version: it seems to work under some versions of
+ // XP but not other ones, and we have no way to determine it so be
+ // conservative here) 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_2003 )
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_COPY, 0, 0L);
- }
-}
+ 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);
+ }
-void wxTextCtrl::Cut()
-{
- if (CanCut())
- {
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_CUT, 0, 0L);
- }
-}
+ if ( m_hasFgCol )
+ {
+ wxColour colFg = m_foregroundColour;
+ m_foregroundColour = wxNullColour;
+ SetForegroundColour(colFg);
+ }
-void wxTextCtrl::Paste()
-{
- if (CanPaste())
- {
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
- }
-}
+ if ( m_hasBgCol )
+ {
+ wxColour colBg = m_backgroundColour;
+ m_backgroundColour = wxNullColour;
+ SetBackgroundColour(colBg);
+ }
-bool wxTextCtrl::CanCopy() const
-{
- // Can copy if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to);
-}
+ // 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
-bool wxTextCtrl::CanCut() const
-{
- // Can cut if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to);
-}
+ return;
+ }
+ }
-bool wxTextCtrl::CanPaste() const
-{
#if wxUSE_RICHEDIT
- if (m_isRich)
+ // we have to deal with some styles separately because they can't be
+ // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
+ // using richedit-specific EM_SETOPTIONS
+ if ( IsRich() &&
+ ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) )
{
- int dataFormat = 0; // 0 == any format
- return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
- }
-#endif
- if (!IsEditable())
- return FALSE;
+ bool set = (style & wxTE_NOHIDESEL) != 0;
- // Standard edit control: check for straight text on clipboard
- bool isTextAvailable = FALSE;
- if ( ::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
- {
- isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
- ::CloseClipboard();
+ ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
+ set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
}
+#endif // wxUSE_RICHEDIT
- return isTextAvailable;
+ wxControl::SetWindowStyleFlag(style);
}
// ----------------------------------------------------------------------------
-// Accessors
+// set/get the controls text
// ----------------------------------------------------------------------------
-void wxTextCtrl::SetEditable(bool editable)
+bool wxTextCtrl::IsEmpty() const
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ // this is an optimization for multiline controls containing a lot of text
+ if ( IsMultiLine() && GetNumberOfLines() != 1 )
+ return false;
+
+ return wxTextCtrlBase::IsEmpty();
}
-void wxTextCtrl::SetInsertionPoint(long pos)
+wxString wxTextCtrl::GetValue() const
{
- HWND hWnd = GetHwnd();
-#ifdef __WIN32__
+ // range 0..-1 is special for GetRange() and means to retrieve all text
+ return GetRange(0, -1);
+}
+
+wxString wxTextCtrl::GetRange(long from, long to) const
+{
+ wxString str;
+
+ if ( from >= to && to != -1 )
+ {
+ // nothing to retrieve
+ return str;
+ }
+
#if wxUSE_RICHEDIT
- if ( m_isRich)
+ if ( IsRich() )
{
- CHARRANGE range;
- range.cpMin = pos;
- range.cpMax = pos;
- SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ int len = GetWindowTextLength(GetHwnd());
+ if ( len > from )
+ {
+ 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...)
+ 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.IsOk() )
+ font = GetFont();
+
+ if ( font.IsOk() )
+ {
+ encoding = font.GetEncoding();
+ }
+
+#if wxUSE_INTL
+ if ( encoding == wxFONTENCODING_SYSTEM )
+ {
+ encoding = wxLocale::GetSystemEncoding();
+ }
+#endif // wxUSE_INTL
+
+ 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);
+ wxChar *p = tmp;
+
+ TEXTRANGE textRange;
+ textRange.chrg.cpMin = from;
+ textRange.chrg.cpMax = to;
+ textRange.lpstrText = p;
+
+ (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE,
+ 0, (LPARAM)&textRange);
+
+ if ( m_verRichEdit > 1 )
+ {
+ // RichEdit 2.0 uses just CR ('\r') for the
+ // newlines which is neither Unix nor Windows
+ // style - convert it to something reasonable
+ for ( ; *p; p++ )
+ {
+ if ( *p == wxT('\r') )
+ *p = wxT('\n');
+ }
+ }
+ }
+
+ if ( m_verRichEdit == 1 )
+ {
+ // convert to the canonical form - see comment below
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
+ }
+ }
+ //else: no text at all, leave the string empty
}
else
#endif // wxUSE_RICHEDIT
{
- SendMessage(hWnd, EM_SETSEL, pos, pos);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ // retrieve all text: wxTextEntry method works even for multiline
+ // controls and must be used for single line ones to account for hints
+ str = wxTextEntry::GetValue();
+
+ // need only a range?
+ if ( from < to )
+ {
+ str = str.Mid(from, to - from);
+ }
+
+ // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
+ // canonical one (same one as above) for consistency with the other kinds
+ // of controls and, more importantly, with the other ports
+ str = wxTextFile::Translate(str, wxTextFileType_Unix);
}
-#else // Win16
- SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
-#endif // Win32/16
- static const char *nothing = "";
- SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+ return str;
}
-void wxTextCtrl::SetInsertionPointEnd()
+void wxTextCtrl::DoSetValue(const wxString& value, int flags)
{
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
-}
+ // 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
+ // anyhow, this comparison is there to avoid flicker for small single-line
+ // edit controls mostly)
+ if ( (value.length() > 0x400) || (value != DoGetValue()) )
+ {
+ DoWriteText(value, flags /* doesn't include SelectionOnly here */);
-long wxTextCtrl::GetInsertionPoint() const
-{
-#if wxUSE_RICHEDIT
- if (m_isRich)
+ // 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
{
- CHARRANGE range;
- range.cpMin = 0;
- range.cpMax = 0;
- SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
- return range.cpMin;
+ // 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
+ if (flags & SetValue_SendEvent)
+ SendUpdateEvent();
}
-#endif
-
- DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
- return Pos & 0xFFFF;
}
-long wxTextCtrl::GetLastPosition() const
-{
- HWND hWnd = GetHwnd();
-
- // Will always return a number > 0 (according to docs)
- int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
+#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
+// TODO: using memcpy() would improve performance a lot for big amounts of text
- // Get number of characters in the last line. We'll add this to the character
- // index for the last line, 1st position.
- int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
+DWORD CALLBACK
+wxRichEditStreamIn(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+{
+ *pcb = 0;
- return (long)(charIndex + lineLength);
-}
+ const wchar_t ** const ppws = (const wchar_t **)dwCookie;
-// If the return values from and to are the same, there is no
-// selection.
-void wxTextCtrl::GetSelection(long* from, long* to) const
-{
-#if wxUSE_RICHEDIT
- if (m_isRich)
+ wchar_t *wbuf = (wchar_t *)buf;
+ const wchar_t *wpc = *ppws;
+ while ( cb && *wpc )
{
- CHARRANGE charRange;
- ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
-
- *from = charRange.cpMin;
- *to = charRange.cpMax;
+ *wbuf++ = *wpc++;
- return;
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
}
-#endif
- DWORD dwStart, dwEnd;
- WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position
- LPARAM lParam = (LPARAM) (DWORD*) & dwEnd; // receives ending position
- ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
+ *ppws = wpc;
- *from = dwStart;
- *to = dwEnd;
+ return 0;
}
-bool wxTextCtrl::IsEditable() const
+// helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
+struct wxStreamOutData
{
- long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+ wchar_t *wpc;
+ size_t len;
+};
- return ((style & ES_READONLY) == 0);
-}
+DWORD CALLBACK
+wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+{
+ *pcb = 0;
-// ----------------------------------------------------------------------------
-// Editing
-// ----------------------------------------------------------------------------
+ wxStreamOutData *data = (wxStreamOutData *)dwCookie;
-void wxTextCtrl::Replace(long from, long to, const wxString& value)
-{
-#if wxUSE_CLIPBOARD
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
+ const wchar_t *wbuf = (const wchar_t *)buf;
+ wchar_t *wpc = data->wpc;
+ while ( cb )
+ {
+ wchar_t wch = *wbuf++;
- // Set selection and remove it
-#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
-#else
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
-#endif
- SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
+ // turn "\r\n" into "\n" on the fly
+ if ( wch != L'\r' )
+ *wpc++ = wch;
+ else
+ data->len--;
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *) (const wxChar *)value, 0, 0);
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
+ }
- // Paste into edit control
- SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
-#else
- wxFAIL_MSG("wxTextCtrl::Replace not implemented if wxUSE_CLIPBOARD is 0.");
-#endif
+ data->wpc = wpc;
+
+ return 0;
}
-void wxTextCtrl::Remove(long from, long to)
-{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
- // Cut all selected text
-#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
+#if wxUSE_UNICODE_MSLU
+ #define UNUSED_IF_MSLU(param)
#else
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
+ #define UNUSED_IF_MSLU(param) param
#endif
- SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
-}
-void wxTextCtrl::SetSelection(long from, long to)
+bool
+wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding UNUSED_IF_MSLU(encoding),
+ bool selectionOnly)
+{
+#if wxUSE_UNICODE_MSLU
+ const wchar_t *wpc = value.c_str();
+#else // !wxUSE_UNICODE_MSLU
+ wxCSConv conv(encoding);
+
+ const size_t len = conv.MB2WC(NULL, value.mb_str(), value.length());
+
+ if (len == wxCONV_FAILED)
+ return false;
+
+ wxWCharBuffer wchBuf(len); // allocates one extra character
+ wchar_t *wpc = wchBuf.data();
+
+ conv.MB2WC(wpc, value.mb_str(), len + 1);
+#endif // wxUSE_UNICODE_MSLU
+
+ // finally, stream it in the control
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD_PTR)&wpc;
+ // the cast below is needed for broken (very) old mingw32 headers
+ eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
+
+ // same problem as in DoWriteText(): we can get multiple events here
+ UpdatesCountFilter ucf(m_updatesCount);
+
+ ::SendMessage(GetHwnd(), EM_STREAMIN,
+ SF_TEXT |
+ SF_UNICODE |
+ (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds);
+
+ // 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() ),
+ wxT("EM_STREAMIN didn't send EN_UPDATE?") );
+
+ if ( eds.dwError )
+ {
+ wxLogLastError(wxT("EM_STREAMIN"));
+ }
+
+ return true;
+}
+
+#if !wxUSE_UNICODE_MSLU
+
+wxString
+wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
+{
+ wxString out;
+
+ const int len = GetWindowTextLength(GetHwnd());
+
+ wxWCharBuffer wchBuf(len);
+ wchar_t *wpc = wchBuf.data();
+
+ wxStreamOutData data;
+ data.wpc = wpc;
+ data.len = len;
+
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD)&data;
+ eds.pfnCallback = wxRichEditStreamOut;
+
+ ::SendMessage
+ (
+ GetHwnd(),
+ EM_STREAMOUT,
+ SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds
+ );
+
+ if ( eds.dwError )
+ {
+ wxLogLastError(wxT("EM_STREAMOUT"));
+ }
+ else // streamed out ok
+ {
+ // 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, 0);
+
+ if ( lenNeeded != wxCONV_FAILED && lenNeeded++ )
+ {
+ conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
+ }
+ }
+
+ return out;
+}
+
+#endif // !wxUSE_UNICODE_MSLU
+
+#endif // wxUSE_RICHEDIT
+
+void wxTextCtrl::WriteText(const wxString& value)
+{
+ DoWriteText(value);
+}
+
+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);
+ else
+ valueDos = value;
+
+#if wxUSE_RICHEDIT
+ // there are several complications with the rich edit controls here
+ bool done = false;
+ if ( IsRich() )
+ {
+ // first, ensure that the new text will be in the default style
+ if ( !m_defaultStyle.IsDefault() )
+ {
+ long start, end;
+ GetSelection(&start, &end);
+ SetStyle(start, end, m_defaultStyle);
+ }
+
+#if wxUSE_UNICODE_MSLU
+ // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
+ // but EM_STREAMIN works
+ if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
+ {
+ done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
+ }
+#endif // wxUSE_UNICODE_MSLU
+
+#if !wxUSE_UNICODE
+ // next check if the text we're inserting must be shown in a non
+ // default charset -- this only works for RichEdit > 1.0
+ if ( GetRichVersion() > 1 )
+ {
+ wxFont font = m_defaultStyle.GetFont();
+ if ( !font.IsOk() )
+ font = GetFont();
+
+ if ( font.IsOk() )
+ {
+ wxFontEncoding encoding = font.GetEncoding();
+ if ( encoding != wxFONTENCODING_SYSTEM )
+ {
+ // we have to use EM_STREAMIN to force richedit control 2.0+
+ // to show any text in the non default charset -- otherwise
+ // it thinks it knows better than we do and always shows it
+ // in the default one
+ done = StreamIn(valueDos, encoding, selectionOnly);
+ }
+ }
+ }
+#endif // !wxUSE_UNICODE
+ }
+
+ if ( !done )
+#endif // wxUSE_RICHEDIT
+ {
+ // in some cases we get 2 EN_CHANGE notifications after the SendMessage
+ // 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
+ if ( !(flags & SetValue_SendEvent) )
+ m_updatesCount = -2; // suppress any update event
+
+ UpdatesCountFilter ucf(m_updatesCount);
+
+ ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
+ // EM_REPLACESEL takes 1 to indicate the operation should be redoable
+ selectionOnly ? 1 : 0, wxMSW_CONV_LPARAM(valueDos));
+
+ if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )
+ {
+ SendUpdateEvent();
+ }
+ }
+}
+
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ wxTextEntry::AppendText(text);
+
+#if wxUSE_RICHEDIT
+ // don't do this if we're frozen, saves some time
+ if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
+ {
+ ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, (LPARAM)NULL);
+ }
+#endif // wxUSE_RICHEDIT
+}
+
+void wxTextCtrl::Clear()
+{
+ ::SetWindowText(GetHwnd(), wxEmptyString);
+
+ if ( IsMultiLine() && !IsRich() )
+ {
+ // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
+ // but the normal ones don't -- make Clear() behaviour consistent by
+ // always sending this event
+ SendUpdateEvent();
+ }
+}
+
+#ifdef __WIN32__
+
+bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
+{
+ SetFocus();
+
+ size_t lenOld = GetValue().length();
+
+ wxUint32 code = event.GetRawKeyCode();
+ ::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
+ return GetValue().length() != lenOld;
+}
+
+#endif // __WIN32__
+
+// ----------------------------------------------------------------------------
+// Accessors
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::SetInsertionPointEnd()
+{
+ // we must not do anything if the caret is already there because calling
+ // SetInsertionPoint() thaws the controls if Freeze() had been called even
+ // 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)
+ const wxTextPos lastPosition = GetLastPosition();
+ if ( GetInsertionPoint() == lastPosition )
+ {
+ return;
+ }
+
+ SetInsertionPoint(lastPosition);
+}
+
+long wxTextCtrl::GetInsertionPoint() const
+{
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ CHARRANGE range;
+ range.cpMin = 0;
+ range.cpMax = 0;
+ ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
+ return range.cpMin;
+ }
+#endif // wxUSE_RICHEDIT
+
+ return wxTextEntry::GetInsertionPoint();
+}
+
+wxTextPos wxTextCtrl::GetLastPosition() const
+{
+ if ( IsMultiLine() )
+ {
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
+
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
+
+ return posStartLastLine + lenLastLine;
+ }
+
+ return wxTextEntry::GetLastPosition();
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long *from, long *to) const
+{
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ CHARRANGE charRange;
+ ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
+
+ *from = charRange.cpMin;
+ *to = charRange.cpMax;
+ }
+ else
+#endif // !wxUSE_RICHEDIT
+ {
+ wxTextEntry::GetSelection(from, to);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// selection
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::DoSetSelection(long from, long to, int flags)
{
HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
- // if from and to are both -1, it means (in wxWindows) that all text should
- // be selected. Translate into Windows convention
- if ((from == -1) && (to == -1))
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // if from and to are both -1, it means (in wxWidgets) that all text
+ // should be selected, translate this into Windows convention
+ if ( (from == -1) && (to == -1) )
+ {
+ from = 0;
+ }
+
+ CHARRANGE range;
+ range.cpMin = from;
+ range.cpMax = to;
+ ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&range);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ wxTextEntry::DoSetSelection(from, to, flags);
+ }
+
+ if ( (flags & SetSel_Scroll) && !IsFrozen() )
+ {
+#if wxUSE_RICHEDIT
+ // richedit 3.0 (i.e. the version living in riched20.dll distributed
+ // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
+ // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
+ // option is set (but it does work ok in richedit 1.0 mode...)
+ //
+ // so to make it work we either need to give focus to it here which
+ // will probably create many problems (dummy focus events; window
+ // containing the text control being brought to foreground
+ // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
+ // create other problems too -- and in fact it does because if we turn
+ // on/off this style while appending the text to the control, the
+ // vertical scrollbar never appears in it even if we append tons of
+ // text and to work around this the only solution I found was to use
+ // 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);
+ }
+ //else: everything is already ok
+ }
+#endif // wxUSE_RICHEDIT
+
+ ::SendMessage(hWnd, EM_SCROLLCARET, 0, (LPARAM)0);
+
+#if wxUSE_RICHEDIT
+ // restore ECO_NOHIDESEL if we changed it
+ if ( GetRichVersion() > 1 && !HasFlag(wxTE_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::DoLoadFile(const wxString& file, int fileType)
+{
+ if ( wxTextCtrlBase::DoLoadFile(file, fileType) )
+ {
+ // update the size limit if needed
+ AdjustSpaceLimit();
+
+ return true;
+ }
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// dirty status
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::IsModified() const
+{
+ return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
+}
+
+void wxTextCtrl::MarkDirty()
+{
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0);
+}
+
+void wxTextCtrl::DiscardEdits()
+{
+ ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0);
+}
+
+// ----------------------------------------------------------------------------
+// Positions <-> coords
+// ----------------------------------------------------------------------------
+
+int wxTextCtrl::GetNumberOfLines() const
+{
+ return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, 0, 0);
+}
+
+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, y, 0);
+
+ return charIndex + x;
+}
+
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+{
+ HWND hWnd = GetHwnd();
+
+ // This gets the line number containing the character
+ long lineNo;
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, pos);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
+ }
+
+ if ( lineNo == -1 )
+ {
+ // no such line
+ return false;
+ }
+
+ // This gets the char index for the _beginning_ of this line
+ long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, lineNo, 0);
+ if ( charIndex == -1 )
+ {
+ return false;
+ }
+
+ // The X position must therefore be the different between pos and charIndex
+ if ( x )
+ *x = pos - charIndex;
+ if ( y )
+ *y = lineNo;
+
+ 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;
+}
+
+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<short>(LOWORD(rc)),
+ static_cast<short>(HIWORD(rc)));
+ }
+
+ return wxDefaultPosition;
+}
+
+
+// ----------------------------------------------------------------------------
+//
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::ShowPosition(long pos)
+{
+ HWND hWnd = GetHwnd();
+
+ // To scroll to a position, we pass the number of lines and characters
+ // to scroll *by*. This means that we need to:
+ // (1) Find the line position of the current line.
+ // (2) Find the line position of pos.
+ // (3) Scroll by (pos - current).
+ // For now, ignore the horizontal scrolling.
+
+ // 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, -1, 0L);
+
+ int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, 0, 0);
+
+ int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
+
+ int linesToScroll = specifiedLineLineNo - currentLineLineNo;
+
+ if (linesToScroll != 0)
+ ::SendMessage(hWnd, EM_LINESCROLL, 0, linesToScroll);
+}
+
+long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
+{
+ return ::SendMessage(GetHwnd(), EM_LINELENGTH, pos, 0);
+}
+
+int wxTextCtrl::GetLineLength(long lineNo) const
+{
+ long pos = XYToPosition(0, lineNo);
+
+ return GetLengthOfLineContainingPos(pos);
+}
+
+wxString wxTextCtrl::GetLineText(long lineNo) const
+{
+ size_t len = (size_t)GetLineLength(lineNo) + 1;
+
+ // there must be at least enough place for the length WORD in the
+ // buffer
+ len += sizeof(WORD);
+
+ wxString str;
+ {
+ wxStringBufferLength tmp(str, len);
+ wxChar *buf = tmp;
+
+ *(WORD *)buf = (WORD)len;
+ len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // remove the '\r' returned by the rich edit control, the user code
+ // should never see it
+ if ( buf[len - 2] == wxT('\r') && buf[len - 1] == wxT('\n') )
+ {
+ // richedit 1.0 uses "\r\n" as line terminator, so remove "\r"
+ // here and "\n" below
+ buf[len - 2] = wxT('\n');
+ len--;
+ }
+ else if ( buf[len - 1] == wxT('\r') )
+ {
+ // richedit 2.0+ uses only "\r", replace it with "\n"
+ buf[len - 1] = wxT('\n');
+ }
+ }
+#endif // wxUSE_RICHEDIT
+
+ // remove the '\n' at the end, if any (this is how this function is
+ // supposed to work according to the docs)
+ if ( buf[len - 1] == wxT('\n') )
+ {
+ len--;
+ }
+
+ buf[len] = 0;
+ tmp.SetLength(len);
+ }
+
+ return str;
+}
+
+void wxTextCtrl::SetMaxLength(unsigned long len)
+{
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ wxTextEntry::SetMaxLength(len);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Redo()
+{
+#if wxUSE_RICHEDIT
+ if ( GetRichVersion() > 1 )
+ {
+ ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
+ return;
+ }
+#endif // wxUSE_RICHEDIT
+
+ wxTextEntry::Redo();
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+#if wxUSE_RICHEDIT
+ if ( GetRichVersion() > 1 )
+ return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
+#endif // wxUSE_RICHEDIT
+
+ return wxTextEntry::CanRedo();
+}
+
+// ----------------------------------------------------------------------------
+// caret handling (Windows only)
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::ShowNativeCaret(bool show)
+{
+ if ( show != m_isNativeCaretShown )
+ {
+ if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
+ {
+ // not an error, may simply indicate that it's not shown/hidden
+ // yet (i.e. it had been hidden/shown 2 times before)
+ return false;
+ }
+
+ m_isNativeCaretShown = show;
+ }
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// implementation details
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Command(wxCommandEvent & event)
+{
+ SetValue(event.GetString());
+ ProcessCommand (event);
+}
+
+void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
+{
+ // By default, load the first file into the text window.
+ if (event.GetNumberOfFiles() > 0)
+ {
+ LoadFile(event.GetFiles()[0]);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// kbd input processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
+{
+ // 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 )
+ {
+ const WPARAM vkey = msg->wParam;
+ if ( HIWORD(msg->lParam) & KF_ALTDOWN )
+ {
+ // Alt-Backspace is accelerator for "Undo"
+ if ( vkey == VK_BACK )
+ return false;
+ }
+ else // no Alt
+ {
+ // we want to process some Ctrl-foo and Shift-bar but no key
+ // combinations without either Ctrl or Shift nor with both of them
+ // pressed
+ const int ctrl = wxIsCtrlDown(),
+ shift = wxIsShiftDown();
+ switch ( ctrl + shift )
+ {
+ default:
+ wxFAIL_MSG( wxT("how many modifiers have we got?") );
+ // fall through
+
+ case 0:
+ 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;
+
+ case 1:
+ // either Ctrl or Shift pressed
+ if ( ctrl )
+ {
+ switch ( vkey )
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return false;
+ }
+ }
+ else // Shift is pressed
+ {
+ if ( vkey == VK_INSERT || vkey == VK_DELETE )
+ return false;
+ }
+ }
+ }
+ }
+
+ return wxControl::MSWShouldPreProcessMessage(msg);
+}
+
+void wxTextCtrl::OnChar(wxKeyEvent& event)
+{
+ switch ( event.GetKeyCode() )
+ {
+ case WXK_RETURN:
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ if ( HandleWindowEvent(event) )
+ if ( !HasFlag(wxTE_MULTILINE) )
+ return;
+ //else: multiline controls need Enter for themselves
+ }
+ break;
+
+ case WXK_TAB:
+ // 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))
+ {
+ 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"));
+ return;
+ }
+ break;
+ }
+
+ // no, we didn't process it
+ event.Skip();
+}
+
+void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
+{
+ // richedit control doesn't send WM_PASTE, WM_CUT and WM_COPY messages
+ // when Ctrl-V, X or C is pressed and this prevents wxClipboardTextEvent
+ // from working. So we work around it by intercepting these shortcuts
+ // ourselves and emitting clipboard events (which richedit will handle,
+ // so everything works as before, including pasting of rich text):
+ if ( event.GetModifiers() == wxMOD_CONTROL && IsRich() )
+ {
+ switch ( event.GetKeyCode() )
+ {
+ case 'C':
+ Copy();
+ return;
+ case 'X':
+ Cut();
+ return;
+ case 'V':
+ Paste();
+ return;
+ default:
+ break;
+ }
+ }
+
+ // 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();
+}
+
+WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+ WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
+
+ switch ( nMsg )
+ {
+ 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: 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 in the disabled 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 (IsMultiLine())
+ // Clear the DLGC_HASSETSEL bit from the return value
+ lRc &= ~DLGC_HASSETSEL;
+ }
+ break;
+
+#if wxUSE_MENUS
+ case WM_SETCURSOR:
+ // rich text controls seem to have a bug and don't change the
+ // cursor to the standard arrow one from the I-beam cursor usually
+ // used by them even when a popup menu is shown (this works fine
+ // for plain EDIT controls though), so explicitly work around this
+ if ( IsRich() )
+ {
+ extern wxMenu *wxCurrentPopupMenu;
+ if ( wxCurrentPopupMenu &&
+ wxCurrentPopupMenu->GetInvokingWindow() == this )
+ ::SetCursor(GetHcursorOf(*wxSTANDARD_CURSOR));
+ }
+#endif // wxUSE_MENUS
+ }
+
+ return lRc;
+}
+
+// ----------------------------------------------------------------------------
+// text control event processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SendUpdateEvent()
+{
+ switch ( m_updatesCount )
+ {
+ 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;
+
+ default:
+ wxFAIL_MSG( wxT("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;
+
+ case -2:
+ // the control was updated programmatically and we do NOT want to
+ // send events
+ return false;
+ }
+
+ return SendTextUpdatedEvent();
+}
+
+bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+{
+ switch ( param )
+ {
+ case EN_CHANGE:
+ SendUpdateEvent();
+ break;
+
+ case EN_MAXTEXT:
+ // the text size limit has been hit -- try to increase it
+ if ( !AdjustSpaceLimit() )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
+ }
+ break;
+
+ // the other edit notification messages are not processed (or, in
+ // the case of EN_{SET/KILL}FOCUS were already handled at WM_SET/
+ // KILLFOCUS level)
+ default:
+ return false;
+ }
+
+ // processed
+ return true;
+}
+
+WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
+{
+ if ( !IsThisEnabled() && !HasFlag(wxTE_MULTILINE) )
+ return MSWControlColorDisabled(hDC);
+
+ return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
+}
+
+bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
+{
+ // 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()
+ //
+ // 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 )
+ {
+ // increment in 32Kb chunks
+ SetMaxLength(len + 0x8000);
+ }
+
+ // we changed the limit
+ return true;
+}
+
+bool wxTextCtrl::AcceptsFocusFromKeyboard() const
+{
+ // we don't want focus if we can't be edited unless we're a multiline
+ // control because then it might be still nice to get focus from keyboard
+ // to be able to scroll it without mouse
+ return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
+}
+
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+ return DoGetSizeFromTextSize( DEFAULT_ITEM_WIDTH );
+}
+
+wxSize wxTextCtrl::DoGetSizeFromTextSize(int xlen, int ylen) const
+{
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
+
+ DWORD wText = 1;
+ ::SystemParametersInfo(SPI_GETCARETWIDTH, 0, &wText, 0);
+ wText += xlen;
+
+ int hText = cy;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ // add space for vertical scrollbar
+ if ( !(m_windowStyle & wxTE_NO_VSCROLL) )
+ wText += ::GetSystemMetrics(SM_CXVSCROLL);
+
+ if ( ylen <= 0 )
+ {
+ hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
+ // add space for horizontal scrollbar
+ if ( m_windowStyle & wxHSCROLL )
+ hText += ::GetSystemMetrics(SM_CYHSCROLL);
+ }
+ }
+ // for single line control cy (height + external leading) is ok
+ else
+ {
+ // Add the margins we have previously set
+ wxPoint marg( GetMargins() );
+ wText += wxMax(0, marg.x);
+ hText += wxMax(0, marg.y);
+ }
+
+ // 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) )
+ {
+ wText += 9; // borders and inner margins
+
+ // 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;
+ }
+
+ // Perhaps the user wants something different from CharHeight, or ylen
+ // is used as the height of a multiline text.
+ if ( ylen > 0 )
+ hText += ylen - GetCharHeight();
+
+ return wxSize(wText, hText);
+}
+
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+ Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+ Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+ Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+ Redo();
+}
+
+void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
+{
+ RemoveSelection();
+}
+
+void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
+{
+ SelectAll();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanRedo() );
+}
+
+void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
+{
+ event.Enable( HasSelection() && IsEditable() );
+}
+
+void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
+{
+ event.Enable( !IsEmpty() );
+}
+
+void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
+{
+#if wxUSE_RICHEDIT
+ if (IsRich())
+ {
+ if (!m_privateContextMenu)
+ {
+ m_privateContextMenu = new wxMenu;
+ m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
+ m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
+ m_privateContextMenu->AppendSeparator();
+ m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
+ m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
+ m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
+ m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
+ m_privateContextMenu->AppendSeparator();
+ m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
+ }
+ PopupMenu(m_privateContextMenu);
+ return;
+ }
+ else
+#endif
+ event.Skip();
+}
+
+void wxTextCtrl::OnSetFocus(wxFocusEvent& event)
+{
+ // be sure the caret remains invisible if the user had hidden it
+ if ( !m_isNativeCaretShown )
+ {
+ ::HideCaret(GetHwnd());
+ }
+
+ event.Skip();
+}
+
+// the rest of the file only deals with the rich edit controls
+#if wxUSE_RICHEDIT
+
+// ----------------------------------------------------------------------------
+// EN_LINK processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
+{
+ NMHDR *hdr = (NMHDR* )lParam;
+ switch ( hdr->code )
+ {
+ case EN_MSGFILTER:
+ {
+ const MSGFILTER *msgf = (MSGFILTER *)lParam;
+ UINT msg = msgf->msg;
+
+ // this is a bit crazy but richedit 1.0 sends us all mouse
+ // events _except_ WM_LBUTTONUP (don't ask me why) so we have
+ // generate the wxWin events for this message manually
+ //
+ // NB: in fact, this is still not totally correct as it does
+ // send us WM_LBUTTONUP if the selection was cleared by the
+ // last click -- so currently we get 2 events in this case,
+ // but as I don't see any obvious way to check for this I
+ // leave this code in place because it's still better than
+ // not getting left up events at all
+ if ( msg == WM_LBUTTONUP )
+ {
+ WXUINT flags = msgf->wParam;
+ int x = GET_X_LPARAM(msgf->lParam),
+ y = GET_Y_LPARAM(msgf->lParam);
+
+ HandleMouseEvent(msg, x, y, flags);
+ }
+ }
+
+ // return true to process the event (and false to ignore it)
+ return true;
+
+ case EN_LINK:
+ {
+ const ENLINK *enlink = (ENLINK *)hdr;
+
+ switch ( enlink->msg )
+ {
+ case WM_SETCURSOR:
+ // ok, so it is hardcoded - do we really nee to
+ // customize it?
+ {
+ wxCursor cur(wxCURSOR_HAND);
+ ::SetCursor(GetHcursorOf(cur));
+ *result = TRUE;
+ break;
+ }
+
+ case WM_MOUSEMOVE:
+ case WM_LBUTTONDOWN:
+ case WM_LBUTTONUP:
+ case WM_LBUTTONDBLCLK:
+ case WM_RBUTTONDOWN:
+ case WM_RBUTTONUP:
+ case WM_RBUTTONDBLCLK:
+ // send a mouse event
+ {
+ static const wxEventType eventsMouse[] =
+ {
+ wxEVT_MOTION,
+ wxEVT_LEFT_DOWN,
+ wxEVT_LEFT_UP,
+ wxEVT_LEFT_DCLICK,
+ wxEVT_RIGHT_DOWN,
+ wxEVT_RIGHT_UP,
+ wxEVT_RIGHT_DCLICK,
+ };
+
+ // the event ids are consecutive
+ wxMouseEvent
+ evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
+
+ InitMouseEvent(evtMouse,
+ GET_X_LPARAM(enlink->lParam),
+ GET_Y_LPARAM(enlink->lParam),
+ enlink->wParam);
+
+ wxTextUrlEvent event(m_windowId, evtMouse,
+ enlink->chrg.cpMin,
+ enlink->chrg.cpMax);
+
+ InitCommandEvent(event);
+
+ *result = ProcessCommand(event);
+ }
+ break;
+ }
+ }
+ return true;
+ }
+
+ // not processed, leave it to the base class
+ return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
+}
+
+#if wxUSE_DRAG_AND_DROP
+
+void wxTextCtrl::SetDropTarget(wxDropTarget *dropTarget)
+{
+ if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
{
- fromChar = 0;
- toChar = -1;
+ // get rid of the built-in drop target
+ ::RevokeDragDrop(GetHwnd());
+ m_dropTarget = NULL;
}
-#ifdef __WIN32__
- SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
-#else
- // WPARAM is 0: selection is scrolled into view
- SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
-#endif
+ wxTextCtrlBase::SetDropTarget(dropTarget);
}
-bool wxTextCtrl::LoadFile(const wxString& file)
+#endif // wxUSE_DRAG_AND_DROP
+
+// ----------------------------------------------------------------------------
+// colour setting for the rich edit controls
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
{
- if ( wxTextCtrlBase::LoadFile(file) )
+ if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
{
- // update the size limit if needed
- AdjustSpaceLimit();
+ // colour didn't really change
+ return false;
+ }
- return TRUE;
+ 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 FALSE;
+ return true;
}
-bool wxTextCtrl::IsModified() const
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
{
- return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
-}
+ if ( !wxTextCtrlBase::SetForegroundColour(colour) )
+ {
+ // colour didn't really change
+ return false;
+ }
-// Makes 'unmodified'
-void wxTextCtrl::DiscardEdits()
-{
- SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
-}
+ if ( IsRich() )
+ {
+ // change the colour of everything
+ WinStruct<CHARFORMAT> cf;
+ cf.dwMask = CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(colour);
+ ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
+ }
-int wxTextCtrl::GetNumberOfLines() const
-{
- return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+ return true;
}
-long wxTextCtrl::XYToPosition(long x, long y) const
+bool wxTextCtrl::SetFont(const wxFont& font)
{
- HWND hWnd = GetHwnd();
+ if ( !wxTextCtrlBase::SetFont(font) )
+ return false;
- // This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
- return (long)(x + charIndex);
+ if ( GetRichVersion() >= 4 )
+ {
+ // Using WM_SETFONT is not enough with RichEdit 4.1: it does work but
+ // for ASCII characters only and inserting a non-ASCII one into it
+ // later reverts to the default font so use EM_SETCHARFORMAT to change
+ // the default font for it.
+ wxTextAttr attr;
+ attr.SetFont(font);
+ SetStyle(-1, -1, attr);
+ }
+
+ return true;
}
-bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+// ----------------------------------------------------------------------------
+// styling support for rich edit controls
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::MSWSetCharFormat(const wxTextAttr& style, long start, long end)
{
- HWND hWnd = GetHwnd();
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
+#endif
- // This gets the line number containing the character
- int lineNo;
-#if wxUSE_RICHEDIT
- if ( m_isRich )
+ wxZeroMemory(cf);
+
+ // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // CHARFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
{
- lineNo = (int)SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
}
else
-#endif // wxUSE_RICHEDIT
- lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
- if ( lineNo == -1 )
+ if ( style.HasFont() )
{
- // no such line
- return FALSE;
+ // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
+ // but using it doesn't seem to hurt neither so leaving it for now
+
+ cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
+ CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
+
+ // fill in data from LOGFONT but recalculate lfHeight because we need
+ // the real height in twips and not the negative number which
+ // wxFillLogFont() returns (this is correct in general and works with
+ // the Windows font mapper, but not here)
+
+ wxFont font(style.GetFont());
+
+ LOGFONT lf;
+ wxFillLogFont(&lf, &font);
+ cf.yHeight = 20*font.GetPointSize(); // 1 pt = 20 twips
+ cf.bCharSet = lf.lfCharSet;
+ cf.bPitchAndFamily = lf.lfPitchAndFamily;
+ wxStrlcpy(cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName));
+
+ // also deal with underline/italic/bold attributes: note that we must
+ // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
+ // style to allow clearing it
+ if ( lf.lfItalic )
+ {
+ cf.dwEffects |= CFE_ITALIC;
+ }
+
+ if ( lf.lfWeight == FW_BOLD )
+ {
+ cf.dwEffects |= CFE_BOLD;
+ }
+
+ if ( lf.lfUnderline )
+ {
+ cf.dwEffects |= CFE_UNDERLINE;
+ }
+
+ // strikeout fonts are not supported by wxWidgets
}
- // This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
- if ( charIndex == -1 )
+ if ( style.HasTextColour() )
{
- return FALSE;
+ cf.dwMask |= CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(style.GetTextColour());
}
- // The X position must therefore be the different between pos and charIndex
- if ( x )
- *x = (long)(pos - charIndex);
- if ( y )
- *y = (long)lineNo;
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
+ {
+ cf.dwMask |= CFM_BACKCOLOR;
+ cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
+ }
+#endif // wxUSE_RICHEDIT2
+
+ // Apply the style either to the selection or to the entire control.
+ WPARAM selMode;
+ if ( start != -1 || end != -1 )
+ {
+ DoSetSelection(start, end, SetSel_NoScroll);
+ selMode = SCF_SELECTION;
+ }
+ else
+ {
+ selMode = SCF_ALL;
+ }
+
+ if ( !::SendMessage(GetHwnd(), EM_SETCHARFORMAT, selMode, (LPARAM)&cf) )
+ {
+ wxLogLastError(wxT("SendMessage(EM_SETCHARFORMAT)"));
+ return false;
+ }
- return TRUE;
+ return true;
}
-void wxTextCtrl::ShowPosition(long pos)
+bool wxTextCtrl::MSWSetParaFormat(const wxTextAttr& style, long start, long end)
{
- HWND hWnd = GetHwnd();
-
- // To scroll to a position, we pass the number of lines and characters
- // to scroll *by*. This means that we need to:
- // (1) Find the line position of the current line.
- // (2) Find the line position of pos.
- // (3) Scroll by (pos - current).
- // For now, ignore the horizontal scrolling.
+#if wxUSE_RICHEDIT2
+ PARAFORMAT2 pf;
+#else
+ PARAFORMAT pf;
+#endif
- // 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);
+ wxZeroMemory(pf);
- int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+ // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // PARAFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ pf.cbSize = sizeof(PARAFORMAT);
+ }
+ else
+#endif
+ {
+ // PARAFORMAT or PARAFORMAT2
+ pf.cbSize = sizeof(pf);
+ }
- int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
+ if (style.HasAlignment())
+ {
+ pf.dwMask |= PFM_ALIGNMENT;
+ if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
+ pf.wAlignment = PFA_RIGHT;
+ else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
+ pf.wAlignment = PFA_CENTER;
+ else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
+ pf.wAlignment = PFA_JUSTIFY;
+ else
+ pf.wAlignment = PFA_LEFT;
+ }
- int linesToScroll = specifiedLineLineNo - currentLineLineNo;
+ if (style.HasLeftIndent())
+ {
+ pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET;
- if (linesToScroll != 0)
- (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
-}
+ // Convert from 1/10 mm to TWIPS
+ pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
+ pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ;
+ }
-int wxTextCtrl::GetLineLength(long lineNo) const
-{
- long charIndex = XYToPosition(0, lineNo);
- int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
- return len;
-}
+ if (style.HasRightIndent())
+ {
+ pf.dwMask |= PFM_RIGHTINDENT;
-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;
+ // Convert from 1/10 mm to TWIPS
+ pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
+ }
- wxString str(buf);
+ if (style.HasTabs())
+ {
+ pf.dwMask |= PFM_TABSTOPS;
- free(buf);
+ const wxArrayInt& tabs = style.GetTabs();
- return str;
-}
+ pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
+ size_t i;
+ for (i = 0; i < (size_t) pf.cTabCount; i++)
+ {
+ // Convert from 1/10 mm to TWIPS
+ pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
+ }
+ }
-// ----------------------------------------------------------------------------
-// Undo/redo
-// ----------------------------------------------------------------------------
+#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
-void wxTextCtrl::Undo()
-{
- if (CanUndo())
+ if ( pf.dwMask )
{
- ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ // Do format the selection.
+ DoSetSelection(start, end, SetSel_NoScroll);
+
+ if ( !::SendMessage(GetHwnd(), EM_SETPARAFORMAT, 0, (LPARAM) &pf) )
+ {
+ wxLogLastError(wxT("SendMessage(EM_SETPARAFORMAT)"));
+
+ return false;
+ }
}
+
+ return true;
}
-void wxTextCtrl::Redo()
+bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
{
- if (CanRedo())
+ if ( !IsRich() )
{
- // Same as Undo, since Undo undoes the undo, i.e. a redo.
- ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ // can't do it with normal text control
+ return false;
}
-}
-bool wxTextCtrl::CanUndo() const
-{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
-}
+ // the richedit 1.0 doesn't handle setting background colour, so don't
+ // even try to do anything if it's the only thing we want to change
+ if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
+ !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
+ return !style.HasBackgroundColour();
+ }
-bool wxTextCtrl::CanRedo() const
-{
- return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
-}
+ // order the range if needed
+ if ( start > end )
+ wxSwap(start, end);
-// ----------------------------------------------------------------------------
-// implemenation details
-// ----------------------------------------------------------------------------
+ // we can only change the format of the selection, so select the range we
+ // want and restore the old selection later, after MSWSetXXXFormat()
+ // functions (possibly) change it.
+ long startOld, endOld;
+ GetSelection(&startOld, &endOld);
-void wxTextCtrl::Command(wxCommandEvent & event)
-{
- SetValue(event.GetString());
- ProcessCommand (event);
-}
+ bool ok = MSWSetCharFormat(style, start, end);
+ if ( !MSWSetParaFormat(style, start, end) )
+ ok = false;
-void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
-{
- // By default, load the first file into the text window.
- if (event.GetNumberOfFiles() > 0)
+ if ( start != startOld || end != endOld )
{
- LoadFile(event.GetFiles()[0]);
+ // restore the original selection
+ DoSetSelection(startOld, endOld, SetSel_NoScroll);
}
+
+ return ok;
}
-WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam,
- WXLPARAM lParam)
+bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
+ if ( !wxTextCtrlBase::SetDefaultStyle(style) )
+ return false;
+
+ if ( IsEditable() )
{
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
+ // we have to do this or the style wouldn't apply for the text typed by
+ // the user
+ wxTextPos posLast = GetLastPosition();
+ SetStyle(posLast, posLast, m_defaultStyle);
}
-#endif
- HDC hdc = (HDC)pDC;
- SetBkMode(hdc, GetParent()->GetTransparentBackground() ? TRANSPARENT
- : OPAQUE);
-
- ::SetBkColor(hdc, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor(hdc, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
-
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
-
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ return true;
}
-void wxTextCtrl::OnChar(wxKeyEvent& event)
+bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
{
- switch ( event.KeyCode() )
+ if ( !IsRich() )
{
- case WXK_RETURN:
- if ( !(m_windowStyle & wxTE_MULTILINE) )
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- event.SetEventObject( this );
- if ( GetEventHandler()->ProcessEvent(event) )
- return;
- }
- //else: multiline controls need Enter for themselves
-
- break;
+ // can't do it with normal text control
+ return false;
+ }
- 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.
- //
- // NB: Notice that Ctrl-Tab is handled elsewhere and Alt-Tab is
- // handled by Windows
- {
- wxNavigationKeyEvent eventNav;
- eventNav.SetDirection(!event.ShiftDown());
- eventNav.SetWindowChange(FALSE);
- eventNav.SetEventObject(this);
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
+#endif
- if ( GetEventHandler()->ProcessEvent(eventNav) )
- return;
- }
- break;
+ wxZeroMemory(cf);
- default:
- event.Skip();
- return;
+ // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // CHARFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
}
+ else
+#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
+ // we can only change the format of the selection, so select the range we
+ // want and restore the old selection later
+ long startOld, endOld;
+ GetSelection(&startOld, &endOld);
- // don't just call event.Skip() because this will cause TABs and ENTERs
- // be passed upwards and we don't always want this - instead process it
- // right here
-
- // FIXME
- event.Skip();
-}
+ // but do we really have to change the selection?
+ bool changeSel = position != startOld || position != endOld;
-bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
-{
- switch (param)
+ if ( changeSel )
{
- case EN_SETFOCUS:
- case EN_KILLFOCUS:
- {
- wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
- : wxEVT_SET_FOCUS,
- m_windowId);
- event.SetEventObject( this );
- GetEventHandler()->ProcessEvent(event);
- }
- break;
+ DoSetSelection(position, position + 1, SetSel_NoScroll);
+ }
- 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 );
- ProcessCommand(event);
- }
- break;
+ // get the selection formatting
+ (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
+ SCF_SELECTION, (LPARAM)&cf) ;
+
+
+ LOGFONT lf;
+ // 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;
+ 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;
- case EN_ERRSPACE:
- // the text size limit has been hit - increase it
- AdjustSpaceLimit();
- break;
+ lf.lfOrientation = 0;
+ lf.lfPitchAndFamily = cf.bPitchAndFamily;
+ lf.lfQuality = 0;
- // the other notification messages are not processed
- case EN_UPDATE:
- case EN_MAXTEXT:
- case EN_HSCROLL:
- case EN_VSCROLL:
- default:
- return FALSE;
- }
+ if (cf.dwEffects & CFE_STRIKEOUT)
+ lf.lfStrikeOut = TRUE;
+ else
+ lf.lfStrikeOut = FALSE;
- // processed
- return TRUE;
-}
+ if (cf.dwEffects & CFE_UNDERLINE)
+ lf.lfUnderline = TRUE;
+ else
+ lf.lfUnderline = FALSE;
-void wxTextCtrl::AdjustSpaceLimit()
-{
-#ifndef __WIN16__
- unsigned int len = ::GetWindowTextLength(GetHwnd()),
- limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
- if ( len > limit )
+ if (cf.dwEffects & CFE_BOLD)
+ lf.lfWeight = FW_BOLD;
+ else
+ lf.lfWeight = FW_NORMAL;
+
+ wxFont font = wxCreateFontFromLogFont(& lf);
+ if (font.IsOk())
{
- limit = len + 0x8000; // 32Kb
+ style.SetFont(font);
+ }
+ style.SetTextColour(wxColour(cf.crTextColor));
-#if wxUSE_RICHEDIT
- if ( m_isRich || limit > 0xffff )
-#else
- if ( limit > 0xffff )
-#endif
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
- else
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit != 1 )
+ {
+ // cf.dwMask |= CFM_BACKCOLOR;
+ style.SetBackgroundColour(wxColour(cf.crBackColor));
+ }
+#endif // wxUSE_RICHEDIT2
+
+ // now get the paragraph formatting
+ PARAFORMAT2 pf;
+ wxZeroMemory(pf);
+ // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
+ // PARAFORMAT in that case
+#if wxUSE_RICHEDIT2
+ if ( m_verRichEdit == 1 )
+ {
+ // this is the only thing the control is going to grok
+ pf.cbSize = sizeof(PARAFORMAT);
}
+ else
#endif
-}
+ {
+ // PARAFORMAT or PARAFORMAT2
+ pf.cbSize = sizeof(pf);
+ }
-bool wxTextCtrl::AcceptsFocus() const
-{
- // we don't want focus if we can't be edited
- return IsEditable() && wxControl::AcceptsFocus();
-}
+ // do format the selection
+ (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
-wxSize wxTextCtrl::DoGetBestSize()
-{
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ 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) );
- int wText = DEFAULT_ITEM_WIDTH;
+ if (pf.wAlignment == PFA_CENTER)
+ style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
+ else if (pf.wAlignment == PFA_RIGHT)
+ style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
+ else if (pf.wAlignment == PFA_JUSTIFY)
+ style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
+ else
+ style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
- int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
- if ( m_windowStyle & wxTE_MULTILINE )
+ wxArrayInt tabStops;
+ size_t i;
+ for (i = 0; i < (size_t) pf.cTabCount; i++)
{
- hText *= wxMin(GetNumberOfLines(), 5);
+ tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) );
}
- //else: for single line control everything is ok
- return wxSize(wText, hText);
+ if ( changeSel )
+ {
+ // restore the original selection
+ DoSetSelection(startOld, endOld, SetSel_NoScroll);
+ }
+
+ return true;
}
// ----------------------------------------------------------------------------
-// standard handlers for standard edit menu events
+// wxRichEditModule
// ----------------------------------------------------------------------------
-void wxTextCtrl::OnCut(wxCommandEvent& event)
-{
- Cut();
-}
+static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
-void wxTextCtrl::OnCopy(wxCommandEvent& event)
+bool wxRichEditModule::OnInit()
{
- Copy();
+ // don't do anything - we will load it when needed
+ return true;
}
-void wxTextCtrl::OnPaste(wxCommandEvent& event)
+void wxRichEditModule::OnExit()
{
- Paste();
+ for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
+ {
+ if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
+ {
+ ::FreeLibrary(ms_hRichEdit[i]);
+ ms_hRichEdit[i] = NULL;
+ }
+ }
+#if wxUSE_INKEDIT
+ if (ms_inkEditLib.IsLoaded())
+ ms_inkEditLib.Unload();
+#endif
}
-void wxTextCtrl::OnUndo(wxCommandEvent& event)
+/* static */
+bool wxRichEditModule::Load(Version version)
{
- Undo();
-}
+ if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
+ {
+ // we had already tried to load it and failed
+ return false;
+ }
-void wxTextCtrl::OnRedo(wxCommandEvent& event)
-{
- Redo();
-}
+ if ( ms_hRichEdit[version] )
+ {
+ // we've already got this one
+ return true;
+ }
-void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
-{
- event.Enable( CanCut() );
-}
+ static const wxChar *const dllnames[] =
+ {
+ wxT("riched32"),
+ wxT("riched20"),
+ wxT("msftedit"),
+ };
-void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
-{
- event.Enable( CanCopy() );
-}
+ wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
+ RichEditDllNamesVersionsMismatch );
-void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
-{
- event.Enable( CanPaste() );
-}
+ ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
-void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
-{
- event.Enable( CanUndo() );
+ if ( !ms_hRichEdit[version] )
+ {
+ ms_hRichEdit[version] = INVALID_HINSTANCE;
+
+ return false;
+ }
+
+ return true;
}
-void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+#if wxUSE_INKEDIT
+// load the InkEdit library
+bool wxRichEditModule::LoadInkEdit()
{
- event.Enable( CanRedo() );
+ if (ms_inkEditLibLoadAttemped)
+ return ms_inkEditLib.IsLoaded();
+
+ ms_inkEditLibLoadAttemped = true;
+
+ wxLogNull logNull;
+ return ms_inkEditLib.Load(wxT("inked"));
}
+#endif // wxUSE_INKEDIT
+
+
+#endif // wxUSE_RICHEDIT
+#endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)
projects / wxWidgets.git / blobdiff