/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
#ifdef __GNUG__
-#pragma implementation "textctrl.h"
+ #pragma implementation "textctrl.h"
#endif
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_TEXTCTRL
+
#ifndef WX_PRECOMP
-#include "wx/textctrl.h"
-#include "wx/settings.h"
-#include "wx/brush.h"
-#include "wx/utils.h"
-#include "wx/log.h"
+ #include "wx/textctrl.h"
+ #include "wx/settings.h"
+ #include "wx/brush.h"
+ #include "wx/utils.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
#endif
+#include "wx/module.h"
+
#if wxUSE_CLIPBOARD
-#include "wx/app.h"
-#include "wx/clipbrd.h"
+ #include "wx/clipbrd.h"
#endif
+#include "wx/textfile.h"
+
+#include <windowsx.h>
+
#include "wx/msw/private.h"
-#include <windows.h>
+#include <string.h>
#include <stdlib.h>
+#include <sys/types.h>
-#if wxUSE_IOSTREAMH
-# include <fstream.h>
-#else
-# include <fstream>
+#if wxUSE_RICHEDIT && (!defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__))
+ #include <richedit.h>
#endif
-#include <sys/types.h>
-#ifndef __MWERKS__
-#include <sys/stat.h>
-#else
-#include <stat.h>
-#endif
-#if defined(__BORLANDC__) && !defined(__WIN32__)
-#include <alloc.h>
-#else
-#if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
-#include <malloc.h>
-#endif
-#define farmalloc malloc
-#define farfree free
+// old mingw32 doesn't define this
+#ifndef CFM_CHARSET
+ #define CFM_CHARSET 0x08000000
+#endif // CFM_CHARSET
+
+#ifndef CFM_BACKCOLOR
+ #define CFM_BACKCOLOR 0x04000000
#endif
-#include <windowsx.h>
-#include <string.h>
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
-#if wxUSE_RICHEDIT && !defined(__GNUWIN32__)
- #include <richedit.h>
-#endif
+#if wxUSE_RICHEDIT
+
+// this module initializes RichEdit DLL if needed
+class wxRichEditModule : public wxModule
+{
+public:
+ virtual bool OnInit();
+ virtual void OnExit();
+
+ // get the version currently loaded, -1 if none
+ static int GetLoadedVersion() { return ms_verRichEdit; }
+
+ // load the richedit DLL of at least of required version
+ static bool Load(int version = 1);
+
+private:
+ // the handle to richedit DLL and the version of the DLL loaded
+ static HINSTANCE ms_hRichEdit;
+
+ // the DLL version loaded or -1 if none
+ static int ms_verRichEdit;
+
+ DECLARE_DYNAMIC_CLASS(wxRichEditModule)
+};
+
+HINSTANCE wxRichEditModule::ms_hRichEdit = (HINSTANCE)NULL;
+int wxRichEditModule::ms_verRichEdit = -1;
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
+
+#endif // wxUSE_RICHEDIT
-#if !USE_SHARED_LIBRARY
+// ----------------------------------------------------------------------------
+// event tables and other macros
+// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
- EVT_CHAR(wxTextCtrl::OnChar)
- EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
-
- 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_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)
+ EVT_CHAR(wxTextCtrl::OnChar)
+ EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+
+ 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_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)
+#ifdef __WIN16__
+ EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground)
+#endif
END_EVENT_TABLE()
-#endif // USE_SHARED_LIBRARY
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------
-// Text item
wxTextCtrl::wxTextCtrl()
-#ifndef NO_TEXT_WINDOW_STREAM
- : streambuf()
-#endif
{
#if wxUSE_RICHEDIT
- m_isRich = FALSE;
+ m_isRich = FALSE;
#endif
}
bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
- const wxSize& size, long style,
+ const wxSize& size,
+ long style,
const wxValidator& validator,
const wxString& name)
{
- SetName(name);
- SetValidator(validator);
- if (parent) parent->AddChild(this);
+ // base initialization
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+ return FALSE;
- m_windowStyle = style;
+ if ( parent )
+ parent->AddChild(this);
- // Should this be taken from the system colours?
-// SetBackgroundColour(wxColour(255, 255, 255));
+ // translate wxWin style flags to MSW ones, checking for consistency while
+ // doing it
+ long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ if ( m_windowStyle & wxCLIP_SIBLINGS )
+ msStyle |= WS_CLIPSIBLINGS;
- SetForegroundColour(parent->GetForegroundColour()) ;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
+ wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ msStyle |= ES_MULTILINE | ES_WANTRETURN;
+ if ((m_windowStyle & wxTE_NO_VSCROLL) == 0)
+ msStyle |= WS_VSCROLL;
+ m_windowStyle |= wxTE_PROCESS_ENTER;
+ }
+ else
+ msStyle |= ES_AUTOHSCROLL;
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
+ if (m_windowStyle & wxHSCROLL)
+ msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
- long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- if (m_windowStyle & wxTE_MULTILINE)
- {
- wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
- _T("wxTE_PROCESS_ENTER style is ignored for multiline controls") );
+ if (m_windowStyle & wxTE_READONLY)
+ msStyle |= ES_READONLY;
- msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER
- m_windowStyle |= wxTE_PROCESS_ENTER;
- }
- else
- msStyle |= ES_AUTOHSCROLL ;
+ if (m_windowStyle & wxTE_PASSWORD) // hidden input
+ msStyle |= ES_PASSWORD;
- if (m_windowStyle & wxTE_READONLY)
- msStyle |= ES_READONLY;
+ if (m_windowStyle & wxTE_AUTO_SCROLL)
+ msStyle |= ES_AUTOHSCROLL;
- if (m_windowStyle & wxHSCROLL)
- msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL) ;
- if (m_windowStyle & wxTE_PASSWORD) // hidden input
- msStyle |= ES_PASSWORD;
// we always want the characters and the arrows
m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
if ( m_windowStyle & wxTE_PROCESS_TAB )
m_lDlgCode |= DLGC_WANTTAB;
- const wxChar *windowClass = _T("EDIT");
+ // do create the control - either an EDIT or RICHEDIT
+ wxString windowClass = wxT("EDIT");
#if wxUSE_RICHEDIT
- if ( m_windowStyle & wxTE_MULTILINE )
- {
- msStyle |= ES_AUTOVSCROLL;
- m_isRich = TRUE;
- windowClass = _T("RichEdit") ;
- }
- else
- m_isRich = FALSE;
-#endif
-
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
+ if ( m_windowStyle & wxTE_RICH )
+ {
+ static bool s_errorGiven = FALSE; // MT-FIXME
+
+ // only give the error msg once if the DLL can't be loaded
+ if ( !s_errorGiven )
+ {
+ // first try to load the RichEdit DLL (will do nothing if already
+ // done)
+ if ( !wxRichEditModule::Load() )
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
- // If we're in Win95, and we want a simple 2D border,
- // then make it an EDIT control instead.
-#if wxUSE_RICHEDIT
- if (m_windowStyle & wxSIMPLE_BORDER)
- {
- windowClass = _T("EDIT");
- m_isRich = FALSE;
- }
-#endif
+ s_errorGiven = TRUE;
+ }
+ }
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
+ if ( s_errorGiven )
+ {
+ m_isRich = FALSE;
+ }
+ else
+ {
+ msStyle |= ES_AUTOVSCROLL;
+ m_isRich = TRUE;
- m_hWnd = (WXHWND)::CreateWindowEx(exStyle, windowClass, NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) ((wxWindow*)parent)->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL);
+ int ver = wxRichEditModule::GetLoadedVersion();
+ if ( ver == 1 )
+ {
+ windowClass = wxT("RICHEDIT");
+ }
+ else
+ {
+#ifndef RICHEDIT_CLASS
+ wxString RICHEDIT_CLASS;
+ RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), ver);
+#if wxUSE_UNICODE
+ RICHEDIT_CLASS += _T('W');
+#else // ANSI
+ RICHEDIT_CLASS += _T('A');
+#endif // Unicode/ANSI
+#endif // !RICHEDIT_CLASS
- wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create text ctrl") );
+ windowClass = RICHEDIT_CLASS;
+ }
+ }
+ }
+ else
+ m_isRich = FALSE;
+#endif // wxUSE_RICHEDIT
+
+ bool want3D;
+ WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
+
+ // Even with extended styles, need to combine with WS_BORDER for them to
+ // look right.
+ if ( want3D || wxStyleHasBorder(m_windowStyle) )
+ msStyle |= WS_BORDER;
+
+ // 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.c_str(),
+ NULL,
+ msStyle,
+ 0, 0, 0, 0,
+ GetHwndOf(parent),
+ (HMENU)m_windowId,
+ wxGetInstance(),
+ NULL);
+
+ wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create text ctrl") );
#if wxUSE_CTL3D
- if ( want3D )
- {
- Ctl3dSubclassCtl((HWND)m_hWnd);
- m_useCtl3D = TRUE;
- }
+ if ( want3D )
+ {
+ Ctl3dSubclassCtl(GetHwnd());
+ m_useCtl3D = TRUE;
+ }
#endif
#if wxUSE_RICHEDIT
- if (m_isRich)
- {
- // Have to enable events
- ::SendMessage((HWND)m_hWnd, EM_SETEVENTMASK, 0,
- ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE);
- }
+ if (m_isRich)
+ {
+ // Have to enable events
+ ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0,
+ ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE);
+ }
#endif
- SubclassWin(GetHWND());
-
- if ( parent->GetFont().Ok() && parent->GetFont().Ok() )
- {
- SetFont(parent->GetFont());
- }
- else
- {
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
- }
+ SubclassWin(GetHWND());
- SetSize(x, y, width, height);
+ // set font, position, size and initial value
+ wxFont& fontParent = parent->GetFont();
+ if ( fontParent.Ok() )
+ {
+ SetFont(fontParent);
+ }
+ else
+ {
+ SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
+ }
- // Causes a crash for Symantec C++ and WIN32 for some reason
+ // Causes a crash for Symantec C++ and WIN32 for some reason
#if !(defined(__SC__) && defined(__WIN32__))
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
+ if ( !value.IsEmpty() )
+ {
+ SetValue(value);
+ }
#endif
- return TRUE;
+ // set colours
+ SetupColours();
+
+ SetSize(pos.x, pos.y, size.x, size.y);
+
+ return TRUE;
}
// Make sure the window style (etc.) reflects the HWND style (roughly)
wxWindow::AdoptAttributesFromHWND();
HWND hWnd = GetHwnd();
- long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
+ long style = GetWindowLong(hWnd, GWL_STYLE);
// retrieve the style to see whether this is an edit or richedit ctrl
#if wxUSE_RICHEDIT
wxChar buf[256];
-#ifndef __WIN32__
- GetClassName((HWND) hWnd, buf, 256);
-#else
-#ifdef UNICODE
- GetClassNameW((HWND) hWnd, buf, 256);
-#else
-#ifdef __TWIN32__
- GetClassName((HWND) hWnd, buf, 256);
-#else
- GetClassNameA((HWND) hWnd, buf, 256);
-#endif
-#endif
-#endif
-
- wxString str(buf);
- str.UpperCase();
+ GetClassName(hWnd, buf, WXSIZEOF(buf));
- if (str == _T("EDIT"))
+ if ( wxStricmp(buf, wxT("EDIT")) == 0 )
m_isRich = FALSE;
else
m_isRich = TRUE;
-#endif
+#endif // wxUSE_RICHEDIT
if (style & ES_MULTILINE)
m_windowStyle |= wxTE_MULTILINE;
void wxTextCtrl::SetupColours()
{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(GetParent()->GetForegroundColour());
+ wxColour bkgndColour;
+// if (IsEditable() || (m_windowStyle & wxTE_MULTILINE))
+ bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW);
+// else
+// bkgndColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+
+ SetBackgroundColour(bkgndColour);
+ SetForegroundColour(GetParent()->GetForegroundColour());
}
+// ----------------------------------------------------------------------------
+// set/get the controls text
+// ----------------------------------------------------------------------------
+
wxString wxTextCtrl::GetValue() const
{
- return wxGetWindowText(GetHWND());
+ // we can't use wxGetWindowText() (i.e. WM_GETTEXT internally) for
+ // retrieving more than 64Kb under Win9x
+#if wxUSE_RICHEDIT
+ if ( m_isRich )
+ {
+ wxString str;
+
+ int len = GetWindowTextLength(GetHwnd());
+ if ( len )
+ {
+ // alloc one extra WORD as needed by the control
+ wxChar *p = str.GetWriteBuf(++len);
+
+ TEXTRANGE textRange;
+ textRange.chrg.cpMin = 0;
+ textRange.chrg.cpMax = -1;
+ textRange.lpstrText = p;
+
+ (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
+
+ // believe it or not, but EM_GETTEXTRANGE uses just CR ('\r') for
+ // the newlines which is neither Unix nor Windows style (Win95 with
+ // riched20.dll shows this behaviour) - convert it to something
+ // reasonable
+ for ( ; *p; p++ )
+ {
+ if ( *p == _T('\r') )
+ *p = _T('\n');
+ }
+
+ str.UngetWriteBuf();
+ }
+ //else: no text at all, leave the string empty
+
+ return str;
+ }
+#endif // wxUSE_RICHEDIT
+
+ // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
+ // same one as above for consitency
+ wxString str = wxGetWindowText(GetHWND());
+
+ return wxTextFile::Translate(str, wxTextFileType_Unix);
}
void wxTextCtrl::SetValue(const wxString& value)
{
- // If newlines are denoted by just 10, must stick 13 in front.
- int singletons = 0;
- int len = value.Length();
- int i;
- for (i = 0; i < len; i ++)
- {
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- singletons ++;
- }
- if (singletons > 0)
- {
- wxChar *tmp = new wxChar[len + singletons + 1];
- int j = 0;
- for (i = 0; i < len; i ++)
+ // 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 != GetValue()) )
{
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- {
- tmp[j] = 13;
- j ++;
- }
- tmp[j] = value[i];
- j ++;
- }
- tmp[j] = 0;
- SetWindowText(GetHwnd(), tmp);
- delete[] tmp;
- }
- else
- SetWindowText(GetHwnd(), (const wxChar *)value);
+ wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+
+ SetWindowText(GetHwnd(), valueDos.c_str());
+
+ // for compatibility with the GTK and because it is more logical, we
+ // move the cursor to the end of the text after SetValue()
+
+ // GRG, Jun/2000: Changed this back after a lot of discussion
+ // in the lists. wxWindows 2.2 will have a set of flags to
+ // customize this behaviour.
+ //SetInsertionPointEnd();
- AdjustSpaceLimit();
+ AdjustSpaceLimit();
+ }
}
-wxSize wxTextCtrl::DoGetBestSize()
+void wxTextCtrl::WriteText(const wxString& value)
{
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
- int wText = DEFAULT_ITEM_WIDTH;
- int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+#if wxUSE_RICHEDIT
+ // ensure that the new text will be in the default style
+ if ( IsRich() &&
+ (m_defaultStyle.HasFont() || m_defaultStyle.HasTextColour()) )
+ {
+ long start, end;
+ GetSelection(&start, &end);
+ SetStyle(start, end, m_defaultStyle );
+ }
+#endif // wxUSE_RICHEDIT
- return wxSize(wText, hText);
+ SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+
+ AdjustSpaceLimit();
+}
+
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ SetInsertionPointEnd();
+ WriteText(text);
+}
+
+void wxTextCtrl::Clear()
+{
+ SetWindowText(GetHwnd(), wxT(""));
}
+// ----------------------------------------------------------------------------
// Clipboard operations
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::Copy()
{
if (CanCopy())
}
}
+bool wxTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) && (IsEditable());
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+#if wxUSE_RICHEDIT
+ if (m_isRich)
+ {
+ int dataFormat = 0; // 0 == any format
+ return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
+ }
+#endif
+ if (!IsEditable())
+ return FALSE;
+
+ // Standard edit control: check for straight text on clipboard
+ bool isTextAvailable = FALSE;
+ if ( ::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
+ {
+ isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
+ ::CloseClipboard();
+ }
+
+ return isTextAvailable;
+}
+
+// ----------------------------------------------------------------------------
+// Accessors
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::SetEditable(bool editable)
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ HWND hWnd = GetHwnd();
+ SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
}
void wxTextCtrl::SetInsertionPoint(long pos)
{
- HWND hWnd = GetHwnd();
+ HWND hWnd = GetHwnd();
#ifdef __WIN32__
#if wxUSE_RICHEDIT
- if ( m_isRich)
- {
- CHARRANGE range;
- range.cpMin = pos;
- range.cpMax = pos;
- SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
- }
- else
-#endif
- {
- SendMessage(hWnd, EM_SETSEL, pos, pos);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
- }
-#else
- SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
-#endif
- char *nothing = "";
- SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+ if ( m_isRich)
+ {
+ CHARRANGE range;
+ range.cpMin = pos;
+ range.cpMax = pos;
+ SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
+ SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ SendMessage(hWnd, EM_SETSEL, pos, pos);
+ SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ }
+#else // Win16
+ SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos));
+#endif // Win32/16
+
+ static const wxChar *nothing = _T("");
+ SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
}
void wxTextCtrl::SetInsertionPointEnd()
{
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
+ long pos = GetLastPosition();
+ SetInsertionPoint(pos);
}
long wxTextCtrl::GetInsertionPoint() const
{
#if wxUSE_RICHEDIT
- if (m_isRich)
- {
- CHARRANGE range;
- range.cpMin = 0;
- range.cpMax = 0;
- SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
- return range.cpMin;
- }
+ if (m_isRich)
+ {
+ CHARRANGE range;
+ range.cpMin = 0;
+ range.cpMax = 0;
+ SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
+ return range.cpMin;
+ }
#endif
- DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
- return Pos&0xFFFF;
+ DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
+ return Pos & 0xFFFF;
}
long wxTextCtrl::GetLastPosition() const
return (long)(charIndex + lineLength);
}
+// 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)
+ {
+ CHARRANGE charRange;
+ ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
+
+ *from = charRange.cpMin;
+ *to = charRange.cpMax;
+ }
+ else
+#endif // rich/!rich
+ {
+ DWORD dwStart, dwEnd;
+ WPARAM wParam = (WPARAM) &dwStart; // receives starting position
+ LPARAM lParam = (LPARAM) &dwEnd; // receives ending position
+
+ ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
+
+ *from = dwStart;
+ *to = dwEnd;
+ }
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+ long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+
+ return ((style & ES_READONLY) == 0);
+}
+
+// ----------------------------------------------------------------------------
+// Editing
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::Replace(long from, long to, const wxString& value)
{
#if wxUSE_CLIPBOARD
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.
- // This translates into Windows convention
+
+ // 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))
{
fromChar = 0;
bool wxTextCtrl::LoadFile(const wxString& file)
{
- if (!wxFileExists(WXSTRINGCAST file))
- return FALSE;
-
- m_fileName = file;
-
- Clear();
-
-// ifstream input(WXSTRINGCAST file, ios::nocreate | ios::in);
- ifstream input(MBSTRINGCAST file.mb_str(wxConvFile), ios::in);
-
- if (!input.bad())
- {
- // Previously a SETSEL/REPLACESEL call-pair were done to insert
- // line by line into the control. Apart from being very slow this
- // was limited to 32K of text by the external interface presenting
- // positions as signed shorts. Now load in one chunk...
- // Note use of 'farmalloc' as in Borland 3.1 'size_t' is 16-bits...
-
-#ifdef __SALFORDC__
- struct _stat stat_buf;
- if (stat(MBSTRINGCAST file.mb_str(wxConvFile), &stat_buf) < 0)
- return FALSE;
-#else
- struct stat stat_buf;
- if (stat(file.mb_str(wxConvFile), &stat_buf) < 0)
- return FALSE;
-#endif
-
-// wxChar *tmp_buffer = (wxChar*)farmalloc(stat_buf.st_size+1);
- // This may need to be a bigger buffer than the file size suggests,
- // if it's a UNIX file. Give it an extra 1000 just in case.
- wxChar *tmp_buffer = (wxChar*)farmalloc((size_t)(stat_buf.st_size+1+1000));
- char *read_buffer = new char[512];
- long no_lines = 0;
- long pos = 0;
- while (!input.eof() && input.peek() != EOF)
- {
- input.getline(read_buffer, 500);
- int len = strlen(read_buffer);
- wxBuffer[len] = 13;
- wxBuffer[len+1] = 10;
- wxBuffer[len+2] = 0;
-#if wxUSE_UNICODE
- pos += wxConvCurrent->MB2WC(tmp_buffer+pos, read_buffer, (size_t)-1);
-#else
- strcpy(tmp_buffer+pos, read_buffer);
- pos += strlen(read_buffer);
-#endif
- no_lines++;
- }
- delete[] read_buffer;
-
- SetWindowText(GetHwnd(), tmp_buffer);
- SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
- farfree(tmp_buffer);
-
- // update the size limit if needed
- AdjustSpaceLimit();
-
- return TRUE;
- }
- return FALSE;
-}
-
-// If file is null, try saved file name first
-// Returns TRUE if succeeds.
-bool wxTextCtrl::SaveFile(const wxString& file)
-{
- wxString theFile(file);
-
- if (theFile == _T(""))
- theFile = m_fileName;
-
- if (theFile == _T(""))
- return FALSE;
-
- m_fileName = theFile;
-
- ofstream output(MBSTRINGCAST theFile.mb_str(wxConvFile));
- if (output.bad())
- return FALSE;
-
- // This will only save 64K max
- unsigned long nbytes = SendMessage(GetHwnd(), WM_GETTEXTLENGTH, 0, 0);
- char *tmp_buffer = (char*)farmalloc((size_t)(nbytes+1));
- SendMessage(GetHwnd(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer);
- char *pstr = tmp_buffer;
-
- // Convert \r\n to just \n
- while (*pstr)
+ if ( wxTextCtrlBase::LoadFile(file) )
{
- if (*pstr != '\r')
- output << *pstr;
- pstr++;
- }
-
- farfree(tmp_buffer);
- SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
-
- return TRUE;
-}
+ // update the size limit if needed
+ AdjustSpaceLimit();
-void wxTextCtrl::WriteText(const wxString& text)
-{
- // Covert \n to \r\n
- int len = text.Length();
- char *newtext = new char[(len*2)+1];
- int i = 0;
- int j = 0;
- while (i < len)
- {
- if (text[i] == '\n')
- {
- newtext[j] = '\r';
- j ++;
- }
- newtext[j] = text[i];
- i ++;
- j ++;
+ return TRUE;
}
- newtext[j] = 0;
- SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)newtext);
- delete[] newtext;
-
- AdjustSpaceLimit();
-}
-
-void wxTextCtrl::AppendText(const wxString& text)
-{
- SetInsertionPointEnd();
- WriteText(text);
-}
-void wxTextCtrl::Clear()
-{
- SetWindowText(GetHwnd(), _T(""));
+ return FALSE;
}
bool wxTextCtrl::IsModified() const
// Makes 'unmodified'
void wxTextCtrl::DiscardEdits()
{
- SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
+ SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
}
-/*
- * Some of the following functions are yet to be implemented
- *
- */
-
int wxTextCtrl::GetNumberOfLines() const
{
return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
return (long)(x + charIndex);
}
-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
HWND hWnd = GetHwnd();
// This gets the line number containing the character
- int lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0);
+ int lineNo;
+#if wxUSE_RICHEDIT
+ if ( m_isRich )
+ {
+ lineNo = (int)SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
+
+ if ( lineNo == -1 )
+ {
+ // no such line
+ return FALSE;
+ }
+
// 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 )
+ {
+ return FALSE;
+ }
+
// The X position must therefore be the different between pos and charIndex
- *x = (long)(pos - charIndex);
- *y = (long)lineNo;
+ if ( x )
+ *x = (long)(pos - charIndex);
+ if ( y )
+ *y = (long)lineNo;
+
+ return TRUE;
}
void wxTextCtrl::ShowPosition(long pos)
wxString wxTextCtrl::GetLineText(long lineNo) const
{
- size_t len = (size_t)GetLineLength(lineNo);
- char *buf = (char *)malloc(len);
- *(WORD *)buf = len;
- int noChars = (int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
- buf[noChars] = 0;
+ size_t len = (size_t)GetLineLength(lineNo) + 1;
- wxString str(buf);
+ // there must be at least enough place for the length WORD in the
+ // buffer
+ len += sizeof(WORD);
- free(buf);
+ wxString str;
+ wxChar *buf = str.GetWriteBuf(len);
- return str;
-}
+ *(WORD *)buf = (WORD)len;
+ len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+ buf[len] = 0;
-bool wxTextCtrl::CanCopy() const
-{
- // Can copy if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
-}
-
-bool wxTextCtrl::CanCut() const
-{
- // Can cut if there's a selection
- long from, to;
- GetSelection(& from, & to);
- return (from != to) ;
-}
+ str.UngetWriteBuf(len);
-bool wxTextCtrl::CanPaste() const
-{
-#if wxUSE_RICHEDIT
- if (m_isRich)
- {
- int dataFormat = 0; // 0 == any format
- return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
- }
-#endif
- if (!IsEditable())
- return FALSE;
-
- // Standard edit control: check for straight text on clipboard
- bool isTextAvailable = FALSE;
- if (::OpenClipboard((HWND) wxTheApp->GetTopWindow()->GetHWND()))
- {
- isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
- ::CloseClipboard();
- }
- return isTextAvailable;
+ return str;
}
+// ----------------------------------------------------------------------------
// Undo/redo
+// ----------------------------------------------------------------------------
+
void wxTextCtrl::Undo()
{
if (CanUndo())
return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
}
-// 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)
- {
- CHARRANGE charRange;
- ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
-
- *from = charRange.cpMin;
- *to = charRange.cpMax;
-
- return;
- }
-#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);
-
- *from = dwStart;
- *to = dwEnd;
-}
-
-bool wxTextCtrl::IsEditable() const
-{
- long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
-
- return ((style & ES_READONLY) == 0);
-}
+// ----------------------------------------------------------------------------
+// implemenation details
+// ----------------------------------------------------------------------------
void wxTextCtrl::Command(wxCommandEvent & event)
{
- SetValue (event.GetString());
- ProcessCommand (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]);
- }
-}
-
-// The streambuf code was partly taken from chapter 3 by Jerry Schwarz of
-// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
-
-//=========================================================================
-// Called then the buffer is full (gcc 2.6.3)
-// or when "endl" is output (Borland 4.5)
-//=========================================================================
-// Class declaration using multiple inheritance doesn't work properly for
-// Borland. See note in textctrl.h.
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow(int c)
-{
- // Make sure there is a holding area
- // this is not needed in <iostream> usage as it automagically allocates
- // it, but does someone want to emulate it for safety's sake?
-#if wxUSE_IOSTREAMH
- if ( allocate()==EOF )
- {
- wxLogError("Streambuf allocation failed");
- return EOF;
- }
-#endif
-
- // Verify that there are no characters in get area
- if ( gptr() && gptr() < egptr() )
- {
- wxError("Who's trespassing my get area?","Internal error");
- return EOF;
- }
-
- // Reset get area
- setg(0,0,0);
-
- // Make sure there is a put area
- if ( ! pptr() )
- {
-/* This doesn't seem to be fatal so comment out error message */
-// wxError("Put area not opened","Internal error");
-
-#if wxUSE_IOSTREAMH
- setp( base(), base() );
-#else
- setp( pbase(), pbase() );
-#endif
- }
-
- // Determine how many characters have been inserted but no consumed
- int plen = pptr() - pbase();
-
- // Now Jerry relies on the fact that the buffer is at least 2 chars
- // long, but the holding area "may be as small as 1" ???
- // And we need an additional \0, so let's keep this inefficient but
- // safe copy.
-
- // If c!=EOF, it is a character that must also be comsumed
- int xtra = c==EOF? 0 : 1;
-
- // Write temporary C-string to wxTextWindow
- {
- char *txt = new char[plen+xtra+1];
- memcpy(txt, pbase(), plen);
- txt[plen] = (char)c; // append c
- txt[plen+xtra] = '\0'; // append '\0' or overwrite c
- // If the put area already contained \0, output will be truncated there
- AppendText(txt);
- delete[] txt;
- }
-
- // Reset put area
- setp(pbase(), epptr());
-
-#if defined(__WATCOMC__)
- return __NOT_EOF;
-#elif defined(zapeof) // HP-UX (all cfront based?)
- return zapeof(c);
-#else
- return c!=EOF ? c : 0; // this should make everybody happy
-#endif
-
-/* OLD CODE
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return EOF;
-*/
-}
-
-//=========================================================================
-// called then "endl" is output (gcc) or then explicit sync is done (Borland)
-//=========================================================================
-int wxTextCtrl::sync()
-{
- // Verify that there are no characters in get area
- if ( gptr() && gptr() < egptr() )
- {
- wxError("Who's trespassing my get area?","Internal error");
- return EOF;
- }
-
- if ( pptr() && pptr() > pbase() ) return overflow(EOF);
-
- return 0;
-/* OLD CODE
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return 0;
-*/
-}
-
-//=========================================================================
-// Should not be called by a "ostream". Used by a "istream"
-//=========================================================================
-int wxTextCtrl::underflow()
-{
- return EOF;
-}
-#endif
-
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
-{
- AppendText(s);
- return *this;
-}
-
-wxTextCtrl& wxTextCtrl::operator<<(float f)
-{
- wxString str;
- str.Printf(_T("%.2f"), f);
- AppendText(str);
- return *this;
-}
-
-wxTextCtrl& wxTextCtrl::operator<<(double d)
-{
- wxString str;
- str.Printf(_T("%.2f"), d);
- AppendText(str);
- return *this;
-}
-
-wxTextCtrl& wxTextCtrl::operator<<(int i)
-{
- wxString str;
- str.Printf(_T("%d"), i);
- AppendText(str);
- return *this;
-}
-
-wxTextCtrl& wxTextCtrl::operator<<(long i)
-{
- wxString str;
- str.Printf(_T("%ld"), i);
- AppendText(str);
- return *this;
-}
-
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
-{
- char buf[2];
-
- buf[0] = c;
- buf[1] = 0;
- AppendText(buf);
- return *this;
-}
-
-WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
-{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif
-
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
-
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
-
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
-
- // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
- // has a zero usage count.
- // NOT NOW - will be cleaned up at end of app.
-// backgroundBrush->RealizeResource();
- return (WXHBRUSH) backgroundBrush->GetResourceHandle();
+ // By default, load the first file into the text window.
+ if (event.GetNumberOfFiles() > 0)
+ {
+ LoadFile(event.GetFiles()[0]);
+ }
}
void wxTextCtrl::OnChar(wxKeyEvent& event)
if ( !(m_windowStyle & wxTE_MULTILINE) )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- event.SetEventObject( this );
+ InitCommandEvent(event);
+ event.SetString(GetValue());
if ( GetEventHandler()->ProcessEvent(event) )
return;
}
// 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.SetWindowChange(event.ControlDown());
eventNav.SetEventObject(this);
- if ( GetEventHandler()->ProcessEvent(eventNav) )
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
return;
}
break;
-
- default:
- event.Skip();
- return;
}
- // 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
+ // no, we didn't process it
event.Skip();
}
case EN_CHANGE:
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
- wxString val(GetValue());
- if ( !val.IsNull() )
- event.m_commandString = WXSTRINGCAST val;
- event.SetEventObject( this );
+ InitCommandEvent(event);
+ event.SetString(GetValue());
ProcessCommand(event);
}
break;
- case EN_ERRSPACE:
+ case EN_MAXTEXT:
// the text size limit has been hit - increase it
AdjustSpaceLimit();
break;
// the other notification messages are not processed
case EN_UPDATE:
- case EN_MAXTEXT:
+ case EN_ERRSPACE:
case EN_HSCROLL:
case EN_VSCROLL:
+ return FALSE;
default:
return FALSE;
}
return TRUE;
}
+WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam
+#else
+ WXUINT WXUNUSED(message),
+ WXWPARAM WXUNUSED(wParam),
+ WXLPARAM WXUNUSED(lParam)
+#endif
+ )
+{
+#if wxUSE_CTL3D
+ if ( m_useCtl3D )
+ {
+ HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+ return (WXHBRUSH) hbrush;
+ }
+#endif // wxUSE_CTL3D
+
+ HDC hdc = (HDC)pDC;
+ if (GetParent()->GetTransparentBackground())
+ SetBkMode(hdc, TRANSPARENT);
+ else
+ SetBkMode(hdc, OPAQUE);
+
+ wxColour colBack = GetBackgroundColour();
+
+ if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0)
+ colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+
+ ::SetBkColor(hdc, wxColourToRGB(colBack));
+ ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+
+ wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+
+ return (WXHBRUSH)brush->GetResourceHandle();
+}
+
+// In WIN16, need to override normal erasing because
+// Ctl3D doesn't use the wxWindows background colour.
+#ifdef __WIN16__
+void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
+{
+ wxColour col(m_backgroundColour);
+
+#if wxUSE_CTL3D
+ if (m_useCtl3D)
+ col = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW);
+#endif
+
+ RECT rect;
+ ::GetClientRect(GetHwnd(), &rect);
+
+ COLORREF ref = PALETTERGB(col.Red(),
+ col.Green(),
+ col.Blue());
+ HBRUSH hBrush = ::CreateSolidBrush(ref);
+ if ( !hBrush )
+ wxLogLastError(wxT("CreateSolidBrush"));
+
+ HDC hdc = (HDC)event.GetDC()->GetHDC();
+
+ int mode = ::SetMapMode(hdc, MM_TEXT);
+
+ ::FillRect(hdc, &rect, hBrush);
+ ::DeleteObject(hBrush);
+ ::SetMapMode(hdc, mode);
+
+}
+#endif
+
void wxTextCtrl::AdjustSpaceLimit()
{
#ifndef __WIN16__
unsigned int len = ::GetWindowTextLength(GetHwnd()),
limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
- if ( len > limit )
+ if ( len >= limit )
{
limit = len + 0x8000; // 32Kb
#if wxUSE_RICHEDIT
- if ( m_isRich || limit > 0xffff )
-#else
- if ( limit > 0xffff )
-#endif
- ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
+ if ( m_isRich )
+ {
+ // as a nice side effect, this also allows passing limit > 64Kb
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
+ }
else
+#endif // wxUSE_RICHEDIT
+ {
+ if ( limit > 0xffff )
+ {
+ // this will set it to a platform-dependent maximum (much more
+ // than 64Kb under NT)
+ limit = 0;
+ }
+
::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+ }
}
-#endif
+#endif // !Win16
}
-// For Rich Edit controls. Do we need it?
-#if 0
-#if wxUSE_RICHEDIT
-bool wxTextCtrl::MSWOnNotify(WXWPARAM wParam, WXLPARAM lParam)
-{
- wxCommandEvent event(0, m_windowId);
- int eventType = 0;
- NMHDR *hdr1 = (NMHDR *) lParam;
- switch ( hdr1->code )
- {
- // Insert case code here
- default :
- return wxControl::MSWOnNotify(wParam, lParam);
- break;
- }
-
- event.SetEventObject( this );
- event.SetEventType(eventType);
-
- if ( !GetEventHandler()->ProcessEvent(event) )
- return FALSE;
+bool wxTextCtrl::AcceptsFocus() const
+{
+ // we don't want focus if we can't be edited
+ return IsEditable() && wxControl::AcceptsFocus();
+}
- return TRUE;
+wxSize wxTextCtrl::DoGetBestSize() const
+{
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+ int wText = DEFAULT_ITEM_WIDTH;
+
+ int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ hText *= wxMax(GetNumberOfLines(), 5);
+ }
+ //else: for single line control everything is ok
+
+ return wxSize(wText, hText);
}
-#endif
-#endif
-void wxTextCtrl::OnCut(wxCommandEvent& event)
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
Cut();
}
-void wxTextCtrl::OnCopy(wxCommandEvent& event)
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
Copy();
}
-void wxTextCtrl::OnPaste(wxCommandEvent& event)
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
{
Paste();
}
-void wxTextCtrl::OnUndo(wxCommandEvent& event)
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
{
Undo();
}
-void wxTextCtrl::OnRedo(wxCommandEvent& event)
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
{
Redo();
}
event.Enable( CanRedo() );
}
-bool wxTextCtrl::AcceptsFocus() const
+// the rest of the file only deals with the rich edit controls
+#if wxUSE_RICHEDIT
+
+// ----------------------------------------------------------------------------
+// colour setting for the rich edit controls
+// ----------------------------------------------------------------------------
+
+// Watcom C++ doesn't define this
+#ifndef SCF_ALL
+#define SCF_ALL 0x0004
+#endif
+
+bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
{
- // we don't want focus if we can't be edited
- return IsEditable() && wxControl::AcceptsFocus();
+ if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
+ {
+ // colour didn't really change
+ return FALSE;
+ }
+
+ if ( IsRich() )
+ {
+ // rich edit doesn't use WM_CTLCOLOR, hence we need to send
+ // EM_SETBKGNDCOLOR additionally
+ ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
+ }
+
+ return TRUE;
+}
+
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
+{
+ if ( !wxTextCtrlBase::SetForegroundColour(colour) )
+ {
+ // colour didn't really change
+ return FALSE;
+ }
+
+ if ( IsRich() )
+ {
+ // change the colour of everything
+ CHARFORMAT cf;
+ wxZeroMemory(cf);
+ cf.cbSize = sizeof(cf);
+ cf.dwMask = CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(colour);
+ ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
+ }
+
+ return TRUE;
}
+
+// ----------------------------------------------------------------------------
+// styling support for rich edit controls
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+{
+ if ( !IsRich() )
+ {
+ // can't do it with normal text control
+ return FALSE;
+ }
+
+ // the rich text control doesn't handle setting background colour, so don't
+ // even try if it's the only thing we want to change
+ if ( wxRichEditModule::GetLoadedVersion() < 2 &&
+ !style.HasFont() && !style.HasTextColour() )
+ {
+ // nothing to do: return TRUE if there was really nothing to do and
+ // FALSE if we failed to set bg colour
+ return !style.HasBackgroundColour();
+ }
+
+ // order the range if needed
+ if ( start > end )
+ {
+ long tmp = start;
+ start = end;
+ end = tmp;
+ }
+
+ // 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);
+
+ // but do we really have to change the selection?
+ bool changeSel = start != startOld || end != endOld;
+
+ if ( changeSel )
+ SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end);
+
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
+#endif
+ wxZeroMemory(cf);
+ cf.cbSize = sizeof(cf);
+
+ if ( style.HasFont() )
+ {
+ 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)
+ LOGFONT lf;
+ wxFillLogFont(&lf, &style.GetFont());
+ cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
+ cf.bCharSet = lf.lfCharSet;
+ cf.bPitchAndFamily = lf.lfPitchAndFamily;
+ wxStrncpy( 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 wxWindows
+ }
+
+ if ( style.HasTextColour() )
+ {
+ cf.dwMask |= CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(style.GetTextColour());
+ }
+
+#if wxUSE_RICHEDIT2
+ if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() )
+ {
+ cf.dwMask |= CFM_BACKCOLOR;
+ cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
+ }
+#endif // wxUSE_RICHEDIT2
+
+ // do format the selection
+ bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
+ SCF_SELECTION, (LPARAM)&cf) != 0;
+ if ( !ok )
+ {
+ wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
+ }
+
+ if ( changeSel )
+ {
+ // restore the original selection
+ SendMessage(GetHwnd(), EM_SETSEL, (WPARAM)startOld, (LPARAM)endOld);
+ }
+
+ return ok;
+}
+
+// ----------------------------------------------------------------------------
+// wxRichEditModule
+// ----------------------------------------------------------------------------
+
+bool wxRichEditModule::OnInit()
+{
+ // don't do anything - we will load it when needed
+ return TRUE;
+}
+
+void wxRichEditModule::OnExit()
+{
+ if ( ms_hRichEdit )
+ {
+ FreeLibrary(ms_hRichEdit);
+ }
+}
+
+/* static */
+bool wxRichEditModule::Load(int version)
+{
+ wxCHECK_MSG( version >= 1 && version <= 3, FALSE,
+ _T("incorrect richedit control version requested") );
+
+ if ( version <= ms_verRichEdit )
+ {
+ // we've already got this or better
+ return TRUE;
+ }
+
+ if ( ms_hRichEdit )
+ {
+ ::FreeLibrary(ms_hRichEdit);
+ }
+
+ // always try load riched20.dll first - like this we won't have to reload
+ // it later if we're first asked for RE 1 and then for RE 2 or 3
+ wxString dllname = _T("riched20.dll");
+ ms_hRichEdit = ::LoadLibrary(dllname);
+ ms_verRichEdit = 2; // no way to tell if it's 2 or 3, assume 2
+
+ if ( !ms_hRichEdit && (version == 1) )
+ {
+ // fall back to RE 1
+ dllname = _T("riched32.dll");
+ ms_hRichEdit = ::LoadLibrary(dllname);
+ ms_verRichEdit = 1;
+ }
+
+ if ( !ms_hRichEdit )
+ {
+ wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
+
+ ms_verRichEdit = -1;
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+#endif // wxUSE_RICHEDIT
+
+#endif // wxUSE_TEXTCTRL
projects / wxWidgets.git / blobdiff