/////////////////////////////////////////////////////////////////////////////
-// 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>
-# ifdef _MSC_VER
- using namespace std;
-# endif
+#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>
+// old mingw32 doesn't define this
+#ifndef CFM_CHARSET
+ #define CFM_CHARSET 0x08000000
+#endif // CFM_CHARSET
+
+#ifndef CFM_BACKCOLOR
+ #define CFM_BACKCOLOR 0x04000000
#endif
-#if defined(__BORLANDC__) && !defined(__WIN32__)
-#include <alloc.h>
-#else
-#if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
-#include <malloc.h>
+
+// cygwin does not have these defined for richedit
+#ifndef ENM_LINK
+ #define ENM_LINK 0x04000000
#endif
-#define farmalloc malloc
-#define farfree free
+
+#ifndef EM_AUTOURLDETECT
+ #define EM_AUTOURLDETECT (WM_USER + 91)
#endif
-#include <windowsx.h>
-#include <string.h>
+#ifndef EN_LINK
+ #define EN_LINK 0x070b
-#if wxUSE_RICHEDIT && !defined(__GNUWIN32__)
- #include <richedit.h>
+ typedef struct _enlink
+ {
+ NMHDR nmhdr;
+ UINT msg;
+ WPARAM wParam;
+ LPARAM lParam;
+ CHARRANGE chrg;
+ } ENLINK;
+#endif // ENLINK
+
+#ifndef SF_UNICODE
+ #define SF_UNICODE 0x0010
+#endif
+
+// Watcom C++ doesn't define this
+#ifndef SCF_ALL
+#define SCF_ALL 0x0004
#endif
-#if !USE_SHARED_LIBRARY
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_RICHEDIT
+
+DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb);
+
+#endif // wxUSE_RICHEDIT
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+#if wxUSE_RICHEDIT
+
+// this module initializes RichEdit DLL(s) if needed
+class wxRichEditModule : public wxModule
+{
+public:
+ virtual bool OnInit();
+ virtual void OnExit();
+
+ // load the richedit DLL of at least of required version
+ static bool Load(int version = 1);
+
+private:
+ // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
+ static HINSTANCE ms_hRichEdit[2];
+
+ DECLARE_DYNAMIC_CLASS(wxRichEditModule)
+};
+
+HINSTANCE wxRichEditModule::ms_hRichEdit[2] = { NULL, NULL };
+
+IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
+
+#endif // wxUSE_RICHEDIT
+
+// ----------------------------------------------------------------------------
+// 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_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground)
+ 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
-// Text item
-wxTextCtrl::wxTextCtrl()
-#ifndef NO_TEXT_WINDOW_STREAM
- : streambuf()
-#endif
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Init()
{
#if wxUSE_RICHEDIT
- m_isRich = FALSE;
+ m_verRichEdit = 0;
#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)
{
- m_fileName = "";
- SetName(name);
- SetValidator(validator);
- if (parent) parent->AddChild(this);
-
- m_windowStyle = style;
-
- // Should this be taken from the system colours?
-// SetBackgroundColour(wxColour(255, 255, 255));
+ // base initialization
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+ return FALSE;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ if ( parent )
+ parent->AddChild(this);
- SetForegroundColour(parent->GetForegroundColour()) ;
+ // translate wxWin style flags to MSW ones
+ WXDWORD msStyle = MSWGetCreateWindowFlags();
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ // do create the control - either an EDIT or RICHEDIT
+ wxString windowClass = wxT("EDIT");
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
+#if wxUSE_RICHEDIT
+ if ( m_windowStyle & wxTE_AUTO_URL )
+ {
+ // automatic URL detection only works in RichEdit 2.0+
+ m_windowStyle |= wxTE_RICH2;
+ }
- long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- if (m_windowStyle & wxTE_MULTILINE)
- {
- msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER
- m_windowStyle |= wxTE_PROCESS_ENTER;
- }
- else
- msStyle |= ES_AUTOHSCROLL ;
+ if ( m_windowStyle & wxTE_RICH2 )
+ {
+ // using richedit 2.0 implies using wxTE_RICH
+ m_windowStyle |= wxTE_RICH;
+ }
- if (m_windowStyle & wxTE_READONLY)
- msStyle |= ES_READONLY;
+ // we need to load the richedit DLL before creating the rich edit control
+ if ( m_windowStyle & wxTE_RICH )
+ {
+ static bool s_errorGiven = FALSE;// MT-FIXME
+
+ // Which version do we need? Use 1.0 by default because it is much more
+ // like the the standard EDIT or 2.0 if explicitly requested, but use
+ // only 2.0 in Unicode mode as 1.0 doesn't support Unicode at all
+ //
+ // TODO: RichEdit 3.0 is apparently capable of emulating RichEdit 1.0
+ // (and thus EDIT) much better than RichEdit 2.0 so we probably
+ // should use 3.0 if available as it is the best of both worlds -
+ // but as I can't test it right now I don't do it (VZ)
+#if wxUSE_UNICODE
+ const int verRichEdit = 2;
+#else // !wxUSE_UNICODE
+ int verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+ // only give the error msg once if the DLL can't be loaded
+ if ( !s_errorGiven )
+ {
+ // try to load the RichEdit DLL (will do nothing if already done)
+ if ( !wxRichEditModule::Load(verRichEdit) )
+ {
+#if !wxUSE_UNICODE
+ // try another version?
+ verRichEdit = 3 - verRichEdit; // 1 <-> 2
- if (m_windowStyle & wxHSCROLL)
- msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL) ;
- if (m_windowStyle & wxTE_PASSWORD) // hidden input
- msStyle |= ES_PASSWORD;
+ if ( !wxRichEditModule::Load(verRichEdit) )
+#endif // wxUSE_UNICODE
+ {
+ wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
- const char *windowClass = "EDIT";
+ s_errorGiven = TRUE;
+ }
+ }
+ }
-#if wxUSE_RICHEDIT
- if ( m_windowStyle & wxTE_MULTILINE )
- {
- msStyle |= ES_AUTOVSCROLL;
- m_isRich = TRUE;
- windowClass = "RichEdit" ;
- }
- else
- m_isRich = FALSE;
-#endif
+ // have we managed to load any richedit version?
+ if ( !s_errorGiven )
+ {
+ msStyle |= ES_AUTOVSCROLL;
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
+ m_verRichEdit = verRichEdit;
+ if ( m_verRichEdit == 1 )
+ {
+ windowClass = wxT("RICHEDIT");
+ }
+ else
+ {
+#ifndef RICHEDIT_CLASS
+ wxString RICHEDIT_CLASS;
+ RICHEDIT_CLASS.Printf(_T("RichEdit%d0"), m_verRichEdit);
+#if wxUSE_UNICODE
+ RICHEDIT_CLASS += _T('W');
+#else // ANSI
+ RICHEDIT_CLASS += _T('A');
+#endif // Unicode/ANSI
+#endif // !RICHEDIT_CLASS
+
+ windowClass = RICHEDIT_CLASS;
+ }
+ }
+ }
+#endif // wxUSE_RICHEDIT
- // 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 = "EDIT";
- m_isRich = FALSE;
- }
-#endif
+ // we need to turn '\n's into "\r\n"s for the multiline controls
+ wxString valueWin;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
+ }
+ else // single line
+ {
+ valueWin = value;
+ }
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
+ if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
+ return FALSE;
- m_hWnd = (WXHWND)::CreateWindowEx(exStyle, windowClass, NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) ((wxWindow*)parent)->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL);
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
- wxCHECK_MSG( m_hWnd, FALSE, "Failed to create text ctrl" );
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // have to enable events manually
+ LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE;
-#if CTL3D
- if ( want3D )
- {
- Ctl3dSubclassCtl((HWND)m_hWnd);
- m_useCtl3D = TRUE;
- }
-#endif
+ if ( m_windowStyle & wxTE_AUTO_URL )
+ {
+ mask |= ENM_LINK;
-#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);
- }
-#endif
+ ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
+ }
- SubclassWin(GetHWND());
-
- if ( parent->GetFont().Ok() && parent->GetFont().Ok() )
- {
- SetFont(parent->GetFont());
- }
- else
- {
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
- }
-
- SetSize(x, y, width, height);
-
- // Causes a crash for Symantec C++ and WIN32 for some reason
-#if !(defined(__SC__) && defined(__WIN32__))
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
-#endif
+ ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
+ }
+#endif // wxUSE_RICHEDIT
- return TRUE;
+ return TRUE;
}
// Make sure the window style (etc.) reflects the HWND style (roughly)
void wxTextCtrl::AdoptAttributesFromHWND()
{
- wxWindow::AdoptAttributesFromHWND();
+ wxWindow::AdoptAttributesFromHWND();
- HWND hWnd = (HWND) GetHWND();
- long style = GetWindowLong((HWND) 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
- char 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();
+ wxString classname = wxGetWindowClass(GetHWND());
- if (str == "EDIT")
- m_isRich = FALSE;
- else
- m_isRich = TRUE;
-#endif
+ if ( classname.IsSameAs(_T("EDIT"), FALSE /* no case */) )
+ {
+ m_verRichEdit = 0;
+ }
+ else // rich edit?
+ {
+ wxChar c;
+ if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
+ {
+ wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str());
- 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;
+ 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;
}
-void wxTextCtrl::SetupColours()
+WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(GetParent()->GetForegroundColour());
-}
+ // default border for the text controls is the sunken one
+ if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT )
+ {
+ style |= wxBORDER_SUNKEN;
+ }
-wxString wxTextCtrl::GetValue() const
-{
- int length = GetWindowTextLength((HWND) GetHWND());
- char *s = new char[length+1];
- GetWindowText((HWND) GetHWND(), s, length+1);
- wxString str(s);
- delete[] s;
- return str;
-}
+ long msStyle = wxControl::MSWGetStyle(style, exstyle);
-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)
- {
- char *tmp = new char[len + singletons + 1];
- int j = 0;
- for (i = 0; i < len; i ++)
- {
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- {
- tmp[j] = 13;
- j ++;
- }
- tmp[j] = value[i];
- j ++;
- }
- tmp[j] = 0;
- SetWindowText((HWND) GetHWND(), tmp);
- delete[] tmp;
- }
- else
- SetWindowText((HWND) GetHWND(), (const char *)value);
-}
-
-void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
-{
- int currentX, currentY;
- GetPosition(¤tX, ¤tY);
- int x1 = x;
- int y1 = y;
- int w1 = width;
- int h1 = height;
-
- if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- x1 = currentX;
- if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
- y1 = currentY;
-
- AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
- int cx; // button font dimensions
- int cy;
-
- wxGetCharSize(GetHWND(), &cx, &cy, & this->GetFont());
-
- int control_width, control_height, control_x, control_y;
-
- // If we're prepared to use the existing size, then...
- if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
- {
- GetSize(&w1, &h1);
- }
-
- // Deal with default size (using -1 values)
- if (w1<=0)
- w1 = DEFAULT_ITEM_WIDTH;
-
- control_x = x1;
- control_y = y1;
- control_width = w1;
- control_height = h1;
-
- // Calculations may have made text size too small
- if (control_height <= 0)
- control_height = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
-
- if (control_width <= 0)
- control_width = DEFAULT_ITEM_WIDTH;
-
- MoveWindow((HWND) GetHWND(), (int)control_x, (int)control_y,
- (int)control_width, (int)control_height, TRUE);
-}
+ // default styles
+ msStyle |= ES_LEFT;
-// Clipboard operations
-void wxTextCtrl::Copy()
-{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_COPY, 0, 0L);
-}
+ if ( style & wxTE_MULTILINE )
+ {
+ wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
+ wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
-void wxTextCtrl::Cut()
-{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_CUT, 0, 0L);
-}
+ msStyle |= ES_MULTILINE | ES_WANTRETURN;
+ if ( !(style & wxTE_NO_VSCROLL) )
+ msStyle |= WS_VSCROLL;
-void wxTextCtrl::Paste()
-{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
-}
+ style |= wxTE_PROCESS_ENTER;
+ }
+ else // !multiline
+ {
+ // there is really no reason to not have this style for single line
+ // text controls
+ msStyle |= ES_AUTOHSCROLL;
+ }
-void wxTextCtrl::SetEditable(bool editable)
-{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ if ( style & wxHSCROLL )
+ msStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
+
+ if ( style & wxTE_READONLY )
+ msStyle |= ES_READONLY;
+
+ if ( style & wxTE_PASSWORD )
+ msStyle |= ES_PASSWORD;
+
+ if ( style & wxTE_AUTO_SCROLL )
+ msStyle |= ES_AUTOHSCROLL;
+
+ if ( style & wxTE_NOHIDESEL )
+ msStyle |= ES_NOHIDESEL;
+
+ return msStyle;
}
-void wxTextCtrl::SetInsertionPoint(long pos)
+void wxTextCtrl::SetWindowStyleFlag(long style)
{
- HWND 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);
-}
+ // 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)) )
+ {
+ bool set = (style & wxTE_NOHIDESEL) != 0;
-void wxTextCtrl::SetInsertionPointEnd()
-{
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
+ ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
+ set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
+ }
+#endif // wxUSE_RICHEDIT
+
+ wxControl::SetWindowStyleFlag(style);
}
-long wxTextCtrl::GetInsertionPoint() const
-{
-#if wxUSE_RICHEDIT
- if (m_isRich)
- {
- CHARRANGE range;
- range.cpMin = 0;
- range.cpMax = 0;
- SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) &range);
- return range.cpMin;
- }
-#endif
+// ----------------------------------------------------------------------------
+// set/get the controls text
+// ----------------------------------------------------------------------------
- DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L);
- return Pos&0xFFFF;
+wxString wxTextCtrl::GetValue() const
+{
+ // range 0..-1 is special for GetRange() and means to retrieve all text
+ return GetRange(0, -1);
}
-long wxTextCtrl::GetLastPosition() const
+wxString wxTextCtrl::GetRange(long from, long to) const
{
- HWND hWnd = (HWND) GetHWND();
+ wxString str;
- // Will always return a number > 0 (according to docs)
- int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
+ if ( from >= to && to != -1 )
+ {
+ // nothing to retrieve
+ return str;
+ }
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
-
- // 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);
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ int len = GetWindowTextLength(GetHwnd());
+ if ( len > from )
+ {
+ // alloc one extra WORD as needed by the control
+ wxChar *p = str.GetWriteBuf(++len);
- return (long)(charIndex + lineLength);
-}
+ TEXTRANGE textRange;
+ textRange.chrg.cpMin = from;
+ textRange.chrg.cpMax = to == -1 ? len : to;
+ textRange.lpstrText = p;
-void wxTextCtrl::Replace(long from, long to, const wxString& value)
-{
- HWND hWnd = (HWND) GetHWND();
- long fromChar = from;
- long toChar = to;
-
- // 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);
+ (void)SendMessage(GetHwnd(), EM_GETTEXTRANGE, 0, (LPARAM)&textRange);
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *) (const char *)value, 0, 0);
+ 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 == _T('\r') )
+ *p = _T('\n');
+ }
+ }
- // Paste into edit control
- SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
-}
+ str.UngetWriteBuf();
-void wxTextCtrl::Remove(long from, long to)
-{
- HWND hWnd = (HWND) GetHWND();
- long fromChar = from;
- long toChar = to;
-
- // Cut all selected text
-#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);
+ 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
+ {
+ // retrieve all text
+ str = wxGetWindowText(GetHWND());
+
+ // 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);
+ }
+
+ return str;
}
-void wxTextCtrl::SetSelection(long from, long to)
+void wxTextCtrl::SetValue(const wxString& value)
{
- HWND 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 == -1) && (to == -1))
+ // 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()) )
{
- fromChar = 0;
- toChar = -1;
+ DoWriteText(value, FALSE /* not selection only */);
+
+ // 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);
}
-
-#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
}
-bool wxTextCtrl::LoadFile(const wxString& file)
+#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
+
+DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
{
- if (!wxFileExists(WXSTRINGCAST file))
- return FALSE;
+ *pcb = 0;
- m_fileName = file;
+ wchar_t *wbuf = (wchar_t *)buf;
+ const wchar_t *wpc = *(const wchar_t **)dwCookie;
+ while ( cb && *wpc )
+ {
+ *wbuf++ = *wpc++;
- Clear();
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
+ }
-// ifstream input(WXSTRINGCAST file, ios::nocreate | ios::in);
- ifstream input(WXSTRINGCAST file, ios::in);
+ *(const wchar_t **)dwCookie = wpc;
- 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...
+ return 0;
+}
-#ifdef __SALFORDC__
- struct _stat stat_buf;
- if (stat((char*) (const char*) file, &stat_buf) < 0)
- return FALSE;
-#else
- struct stat stat_buf;
- if (stat(file, &stat_buf) < 0)
- return FALSE;
-#endif
+extern long wxEncodingToCodepage(wxFontEncoding encoding); // from utils.cpp
+
+#if wxUSE_UNICODE_MSLU
+bool wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding WXUNUSED(encoding),
+ bool selectionOnly)
+{
+ const wchar_t *wpc = value.c_str();
+#else // !wxUSE_UNICODE_MSLU
+bool wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding encoding,
+ bool selectionOnly)
+{
+ // 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
-// char *tmp_buffer = (char*)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.
- char *tmp_buffer = (char*)farmalloc((size_t)(stat_buf.st_size+1+1000));
- long no_lines = 0;
- long pos = 0;
- while (!input.eof() && input.peek() != EOF)
- {
- input.getline(wxBuffer, 500);
- int len = strlen(wxBuffer);
- wxBuffer[len] = 13;
- wxBuffer[len+1] = 10;
- wxBuffer[len+2] = 0;
- strcpy(tmp_buffer+pos, wxBuffer);
- pos += strlen(wxBuffer);
- no_lines++;
- }
-
-// SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)tmp_buffer);
- SetWindowText((HWND) GetHWND(), tmp_buffer);
- SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
- farfree(tmp_buffer);
-
- 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 == "")
- theFile = m_fileName;
-
- if (theFile == "")
+ // first get the Windows code page for this encoding
+ long codepage = wxEncodingToCodepage(encoding);
+ if ( codepage == -1 )
+ {
+ // unknown encoding
return FALSE;
+ }
- m_fileName = theFile;
+ // next translate to Unicode using this code page
+ int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0);
- ofstream output((char*) (const char*) theFile);
- if (output.bad())
- return FALSE;
+#if wxUSE_WCHAR_T
+ wxWCharBuffer wchBuf(len);
+#else
+ wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+#endif
- // This will only save 64K max
- unsigned long nbytes = SendMessage((HWND) GetHWND(), WM_GETTEXTLENGTH, 0, 0);
- char *tmp_buffer = (char*)farmalloc((size_t)(nbytes+1));
- SendMessage((HWND) GetHWND(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer);
- char *pstr = tmp_buffer;
+ if ( !::MultiByteToWideChar(codepage, 0, value, -1,
+ (wchar_t *)(const wchar_t *)wchBuf, len) )
+ {
+ wxLogLastError(_T("MultiByteToWideChar"));
+ }
- // Convert \r\n to just \n
- while (*pstr)
+ // finally, stream it in the control
+ const wchar_t *wpc = wchBuf;
+#endif // wxUSE_UNICODE_MSLU
+
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD)&wpc;
+ // the cast below is needed for broken (very) old mingw32 headers
+ eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
+
+ if ( !::SendMessage(GetHwnd(), EM_STREAMIN,
+ SF_TEXT |
+ SF_UNICODE |
+ (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds) || eds.dwError )
{
- if (*pstr != '\r')
- output << *pstr;
- pstr++;
+ wxLogLastError(_T("EM_STREAMIN"));
}
- farfree(tmp_buffer);
- SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+#if !wxUSE_WCHAR_T
+ free(wchBuf);
+#endif // !wxUSE_WCHAR_T
return TRUE;
}
-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 ++;
- }
- newtext[j] = 0;
- SendMessage((HWND) GetHWND(), EM_REPLACESEL, 0, (LPARAM)newtext);
- delete[] newtext;
-}
+#endif // wxUSE_RICHEDIT
-void wxTextCtrl::Clear()
+void wxTextCtrl::WriteText(const wxString& value)
{
-// SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)"");
- SetWindowText((HWND) GetHWND(), "");
+ DoWriteText(value);
}
-bool wxTextCtrl::IsModified() const
+void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
{
- return (SendMessage((HWND) GetHWND(), EM_GETMODIFY, 0, 0) != 0);
-}
+ wxString valueDos;
+ if ( m_windowStyle & wxTE_MULTILINE )
+ valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
+ else
+ valueDos = value;
-// Makes 'unmodified'
-void wxTextCtrl::DiscardEdits()
-{
- SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
-}
+#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.Ok() )
+ font = GetFont();
+
+ if ( font.Ok() )
+ {
+ wxFontEncoding encoding = font.GetEncoding();
+ if ( encoding != wxFONTENCODING_SYSTEM )
+ {
+ done = StreamIn(valueDos, encoding, selectionOnly);
+ }
+ }
+ }
+#endif // !wxUSE_UNICODE
+ }
-/*
- * Some of the following functions are yet to be implemented
- *
- */
-
-int wxTextCtrl::GetNumberOfLines() const
-{
- return (int)SendMessage((HWND) GetHWND(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+ if ( !done )
+#endif // wxUSE_RICHEDIT
+ {
+ if ( !selectionOnly )
+ {
+ SetSelection(-1, -1);
+ }
+
+ ::SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
+ }
+
+ AdjustSpaceLimit();
}
-long wxTextCtrl::XYToPosition(long x, long y) const
+void wxTextCtrl::AppendText(const wxString& text)
{
- HWND hWnd = (HWND) GetHWND();
+ SetInsertionPointEnd();
- // 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);
+ WriteText(text);
}
-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+void wxTextCtrl::Clear()
{
- HWND hWnd = (HWND) GetHWND();
-
- // This gets the line number containing the character
- int lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0);
- // This gets the char index for the _beginning_ of this line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
- // The X position must therefore be the different between pos and charIndex
- *x = (long)(pos - charIndex);
- *y = (long)lineNo;
+ ::SetWindowText(GetHwnd(), wxT(""));
}
-void wxTextCtrl::ShowPosition(long pos)
+#ifdef __WIN32__
+
+bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
{
- HWND hWnd = (HWND) GetHWND();
+ SetFocus();
- // 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.
+ size_t lenOld = GetValue().length();
- // 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);
+ wxUint32 code = event.GetRawKeyCode();
+ ::keybd_event(code, 0, 0 /* key press */, NULL);
+ ::keybd_event(code, 0, KEYEVENTF_KEYUP, NULL);
- int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+ // 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;
+}
- int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
-
- int linesToScroll = specifiedLineLineNo - currentLineLineNo;
+#endif // __WIN32__
-/*
- wxDebugMsg("Caret line: %d; Current visible line: %d; Specified line: %d; lines to scroll: %d\n",
- currentLineLineNo1, currentLineLineNo, specifiedLineLineNo, linesToScroll);
-*/
+// ----------------------------------------------------------------------------
+// Clipboard operations
+// ----------------------------------------------------------------------------
- if (linesToScroll != 0)
- (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)MAKELPARAM(linesToScroll, 0));
+void wxTextCtrl::Copy()
+{
+ if (CanCopy())
+ {
+ ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
+ }
}
-int wxTextCtrl::GetLineLength(long lineNo) const
+void wxTextCtrl::Cut()
{
- long charIndex = XYToPosition(0, lineNo);
- HWND hWnd = (HWND) GetHWND();
- int len = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0);
- return len;
+ if (CanCut())
+ {
+ ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
+ }
}
-wxString wxTextCtrl::GetLineText(long lineNo) const
+void wxTextCtrl::Paste()
{
- HWND hWnd = (HWND) GetHWND();
- *(WORD *)wxBuffer = 512;
- int noChars = (int)SendMessage(hWnd, EM_GETLINE, (WPARAM)lineNo, (LPARAM)wxBuffer);
- wxBuffer[noChars] = 0;
- return wxString(wxBuffer);
+ if (CanPaste())
+ {
+ ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
+ }
}
-/*
- * Text item
- */
-
-void wxTextCtrl::Command(wxCommandEvent & event)
+bool wxTextCtrl::CanCopy() const
{
- SetValue (event.GetString());
- ProcessCommand (event);
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(&from, &to);
+ return from != to;
}
-void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
+bool wxTextCtrl::CanCut() const
{
- // 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
- WriteText(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);
+ return CanCopy() && IsEditable();
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+ if ( !IsEditable() )
+ return FALSE;
+
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ UINT cf = 0; // 0 == any format
+
+ return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
+ }
+#endif // wxUSE_RICHEDIT
+
+ // Standard edit control: check for straight text on clipboard
+ if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
+ return FALSE;
+
+ bool 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);
+}
+
+void wxTextCtrl::SetInsertionPoint(long pos)
+{
+ DoSetSelection(pos, pos);
+}
+
+void wxTextCtrl::SetInsertionPointEnd()
+{
+ long pos;
+
+#if wxUSE_RICHEDIT
+ if ( m_verRichEdit == 1 )
+ {
+ // we don't have to waste time calling GetLastPosition() in this case
+ pos = -1;
+ }
+ else // !RichEdit 1.0
+#endif // wxUSE_RICHEDIT
+ {
+ pos = GetLastPosition();
+ }
+
+ SetInsertionPoint(pos);
+}
+
+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
+
+ DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
+ return Pos & 0xFFFF;
+}
+
+long wxTextCtrl::GetLastPosition() const
+{
+ int numLines = GetNumberOfLines();
+ long posStartLastLine = XYToPosition(0, numLines - 1);
+
+ long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
+
+ return posStartLastLine + lenLastLine;
+}
+
+// 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
+ {
+ DWORD dwStart, dwEnd;
+ ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
+
+ *from = dwStart;
+ *to = dwEnd;
+ }
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+ // strangely enough, we may be called before the control is created: our
+ // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
+ // us
+ if ( !m_hWnd )
+ return TRUE;
+
+ long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+
+ return (style & ES_READONLY) == 0;
+}
+
+// ----------------------------------------------------------------------------
+// selection
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::SetSelection(long from, long 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) )
+ {
+ from = 0;
+ to = -1;
+ }
+
+ DoSetSelection(from, to);
+}
+
+void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
+{
+ HWND hWnd = GetHwnd();
+
+#ifdef __WIN32__
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ CHARRANGE range;
+ range.cpMin = from;
+ range.cpMax = to;
+ SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
+ }
+
+ if ( scrollCaret )
+ {
+ SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
+ }
+#else // Win16
+ // WPARAM is 0: selection is scrolled into view
+ SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to));
+#endif // Win32/16
+}
+
+// ----------------------------------------------------------------------------
+// Editing
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Replace(long from, long to, const wxString& value)
+{
+ // Set selection and remove it
+ DoSetSelection(from, to, FALSE /* don't scroll caret into view */);
+
+ SendMessage(GetHwnd(), EM_REPLACESEL,
+#ifdef __WIN32__
+ TRUE,
#else
- return c!=EOF ? c : 0; // this should make everybody happy
+ FALSE,
#endif
+ (LPARAM)value.c_str());
+}
-/* 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;
+void wxTextCtrl::Remove(long from, long to)
+{
+ Replace(from, to, _T(""));
+}
+
+bool wxTextCtrl::LoadFile(const wxString& file)
+{
+ if ( wxTextCtrlBase::LoadFile(file) )
+ {
+ // update the size limit if needed
+ AdjustSpaceLimit();
+
+ return TRUE;
+ }
+
+ return FALSE;
}
-#endif
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+bool wxTextCtrl::IsModified() const
{
- WriteText(s);
- return *this;
+ return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
}
-wxTextCtrl& wxTextCtrl::operator<<(float f)
+// Makes 'unmodified'
+void wxTextCtrl::DiscardEdits()
{
- wxString str;
- str.Printf("%.2f", f);
- WriteText(str);
- return *this;
+ SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
}
-wxTextCtrl& wxTextCtrl::operator<<(double d)
+int wxTextCtrl::GetNumberOfLines() const
{
- wxString str;
- str.Printf("%.2f", d);
- WriteText(str);
- return *this;
+ return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
}
-wxTextCtrl& wxTextCtrl::operator<<(int i)
+long wxTextCtrl::XYToPosition(long x, long y) const
{
- wxString str;
- str.Printf("%d", i);
- WriteText(str);
- return *this;
+ // This gets the char index for the _beginning_ of this line
+ long charIndex = SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
+
+ return charIndex + x;
}
-wxTextCtrl& wxTextCtrl::operator<<(long i)
+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, (LPARAM)pos);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ lineNo = 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
+ long charIndex = 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
+ if ( x )
+ *x = pos - charIndex;
+ if ( y )
+ *y = lineNo;
+
+ return TRUE;
+}
+
+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, (WPARAM)-1, (LPARAM)0L);
+
+ int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
+
+ int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
+
+ int linesToScroll = specifiedLineLineNo - currentLineLineNo;
+
+ if (linesToScroll != 0)
+ (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
+}
+
+long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
+{
+ return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)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;
- str.Printf("%ld", i);
- WriteText(str);
- return *this;
+ wxChar *buf = str.GetWriteBuf(len);
+
+ *(WORD *)buf = (WORD)len;
+ len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
+ buf[len] = 0;
+
+ str.UngetWriteBuf(len);
+
+ return str;
}
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::SetMaxLength(unsigned long len)
{
- char buf[2];
+ ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
+}
- buf[0] = c;
- buf[1] = 0;
- WriteText(buf);
- return *this;
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Undo()
+{
+ if (CanUndo())
+ {
+ ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ }
}
-WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+void wxTextCtrl::Redo()
{
-#if CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif
+ if (CanRedo())
+ {
+ // Same as Undo, since Undo undoes the undo, i.e. a redo.
+ ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ }
+}
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+bool wxTextCtrl::CanUndo() const
+{
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
+}
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+bool wxTextCtrl::CanRedo() const
+{
+ return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
+}
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+// ----------------------------------------------------------------------------
+// implemenation details
+// ----------------------------------------------------------------------------
- // 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();
+void wxTextCtrl::Command(wxCommandEvent & event)
+{
+ SetValue(event.GetString());
+ ProcessCommand (event);
}
-void wxTextCtrl::OnChar(wxKeyEvent& 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* pMsg)
{
- switch( event.KeyCode() )
+ MSG *msg = (MSG *)pMsg;
+
+ // check for our special keys here: if we don't do it and the parent frame
+ // uses them as accelerators, they wouldn't work at all, so we disable
+ // usual preprocessing for them
+ if ( msg->message == WM_KEYDOWN )
{
- // Fix by Marcel Rasche to allow Alt-Ctrl insertion of special characters
- case '{':
- case '}':
- case '[':
- case ']':
- case '|':
- case '~':
- case '\\':
+ WORD vkey = (WORD) msg->wParam;
+ if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+ {
+ if ( vkey == VK_BACK )
+ return FALSE;
+ }
+ else // no Alt
+ {
+ if ( wxIsCtrlDown() )
{
- char c = (char)event.KeyCode();
- *this << c;
+ switch ( vkey )
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return FALSE;
+ }
}
- break;
+ else if ( wxIsShiftDown() )
+ {
+ if ( vkey == VK_INSERT || vkey == VK_DELETE )
+ return FALSE;
+ }
+ }
+ }
+
+ return wxControl::MSWShouldPreProcessMessage(pMsg);
+}
+void wxTextCtrl::OnChar(wxKeyEvent& event)
+{
+ switch ( event.KeyCode() )
+ {
case WXK_RETURN:
- wxASSERT_MSG( m_windowStyle & wxTE_PROCESS_ENTER,
- "this text ctrl should never receive return" );
+ 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;
}
+ //else: multiline controls need Enter for themselves
+
+ break;
case WXK_TAB:
- // only produce navigation event if we don't process TAB ourself
- if ( !(m_windowStyle & wxTE_PROCESS_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.
{
- wxNavigationKeyEvent event;
- event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
- event.SetWindowChange(FALSE);
- event.SetEventObject(this);
-
- if ( GetEventHandler()->ProcessEvent(event) )
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetDirection(!event.ShiftDown());
+ eventNav.SetWindowChange(event.ControlDown());
+ eventNav.SetEventObject(this);
+
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
return;
}
+ break;
}
-
- // 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
- Default();
+
+ // no, we didn't process it
+ event.Skip();
}
-long wxTextCtrl::MSWGetDlgCode()
+long wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
// we always want the characters and the arrows
- long lRc = 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 )
- lRc |= DLGC_WANTMESSAGE;
- if ( m_windowStyle & wxTE_PROCESS_TAB )
- lRc |= DLGC_WANTTAB;
-
- return lRc;
+ if ( nMsg == WM_GETDLGCODE )
+ {
+ // we always want the chars and the arrows
+ long 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 )
+ lDlgCode |= DLGC_WANTMESSAGE;
+ if ( m_windowStyle & wxTE_PROCESS_TAB )
+ lDlgCode |= DLGC_WANTTAB;
+
+ return lDlgCode;
+ }
+
+ return wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
}
+bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+{
+ switch (param)
+ {
+ 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;
+
+ case EN_CHANGE:
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
+ }
+ break;
+
+ case EN_MAXTEXT:
+ // the text size limit has been hit - increase it
+ if ( !AdjustSpaceLimit() )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ ProcessCommand(event);
+ }
+ break;
+
+ // the other notification messages are not processed
+ case EN_UPDATE:
+ case EN_ERRSPACE:
+ case EN_HSCROLL:
+ case EN_VSCROLL:
+ return FALSE;
+ default:
+ return FALSE;
+ }
+
+ // processed
+ return TRUE;
+}
+
+WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
+ WXUINT message,
+ WXWPARAM wParam,
+ WXLPARAM lParam
+#else
+ WXUINT WXUNUSED(message),
+ WXWPARAM WXUNUSED(wParam),
+ WXLPARAM WXUNUSED(lParam)
+#endif
+ )
+{
+#if wxUSE_CTL3D
+ if ( m_useCtl3D )
+ {
+ HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
+ return (WXHBRUSH) hbrush;
+ }
+#endif // wxUSE_CTL3D
+
+ HDC hdc = (HDC)pDC;
+ if (GetParent()->GetTransparentBackground())
+ SetBkMode(hdc, TRANSPARENT);
+ else
+ SetBkMode(hdc, OPAQUE);
+
+ wxColour colBack = GetBackgroundColour();
+
+ if (!IsEnabled() && (GetWindowStyle() & wxTE_MULTILINE) == 0)
+ colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+
+ ::SetBkColor(hdc, wxColourToRGB(colBack));
+ ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+
+ wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+
+ return (WXHBRUSH)brush->GetResourceHandle();
+}
+
+// In WIN16, need to override normal erasing because
+// Ctl3D doesn't use the wxWindows background colour.
+#ifdef __WIN16__
void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
{
- if ( m_windowStyle & wxTE_MULTILINE )
+ wxColour col(m_backgroundColour);
+
+#if wxUSE_CTL3D
+ if (m_useCtl3D)
+ col = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+#endif
+
+ RECT rect;
+ ::GetClientRect(GetHwnd(), &rect);
+
+ COLORREF ref = wxColourToRGB(col);
+ HBRUSH hBrush = ::CreateSolidBrush(ref);
+ if ( !hBrush )
+ wxLogLastError(wxT("CreateSolidBrush"));
+
+ HDC hdc = (HDC)event.GetDC()->GetHDC();
+
+ int mode = ::SetMapMode(hdc, MM_TEXT);
+
+ ::FillRect(hdc, &rect, hBrush);
+ ::DeleteObject(hBrush);
+ ::SetMapMode(hdc, mode);
+
+}
+#endif // Win16
+
+bool wxTextCtrl::AdjustSpaceLimit()
+{
+#ifndef __WIN16__
+ unsigned int limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+
+ // HACK: we try to automatically extend the limit for the amount of text
+ // to allow (interactively) entering more than 64Kb of text under
+ // Win9x but we shouldn't reset the text limit which was previously
+ // set explicitly with SetMaxLength()
+ //
+ // we could solve this by storing the limit we set in wxTextCtrl but
+ // to save space we prefer to simply test here the actual limit
+ // value: we consider that SetMaxLength() can only be called for
+ // values < 32Kb
+ if ( limit < 0x8000 )
{
- // No flicker - only problem is we probably can't change the background
- Default();
-/*
- RECT rect;
- ::GetClientRect((HWND) GetHWND(), &rect);
+ // we've got more text than limit set by SetMaxLength()
+ return FALSE;
+ }
- HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+ unsigned int len = ::GetWindowTextLength(GetHwnd());
+ if ( len >= limit )
+ {
+ limit = len + 0x8000; // 32Kb
- ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
- ::DeleteObject(hBrush);
- ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
-*/
+#if wxUSE_RICHEDIT
+ if ( IsRich() )
+ {
+ // as a nice side effect, this also allows passing limit > 64Kb
+ ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, limit);
+ }
+ else
+#endif // wxUSE_RICHEDIT
+ {
+ if ( limit > 0xffff )
+ {
+ // this will set it to a platform-dependent maximum (much more
+ // than 64Kb under NT)
+ limit = 0;
+ }
+
+ ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+ }
}
-// wxWindow::OnEraseBackground(event);
+#endif // !Win16
+
+ // we changed the limit
+ return TRUE;
}
-bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+bool wxTextCtrl::AcceptsFocus() const
+{
+ // we don't want focus if we can't be edited
+ return IsEditable() && wxControl::AcceptsFocus();
+}
+
+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);
+}
+
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
-/*
- // Debugging
- wxDebugMsg("Edit control %d: ", (int)id);
- switch (param)
- {
- case EN_SETFOCUS:
- wxDebugMsg("EN_SETFOCUS\n");
- break;
- case EN_KILLFOCUS:
- wxDebugMsg("EN_KILLFOCUS\n");
- break;
- case EN_CHANGE:
- wxDebugMsg("EN_CHANGE\n");
- break;
- case EN_UPDATE:
- wxDebugMsg("EN_UPDATE\n");
- break;
- case EN_ERRSPACE:
- wxDebugMsg("EN_ERRSPACE\n");
- break;
- case EN_MAXTEXT:
- wxDebugMsg("EN_MAXTEXT\n");
- break;
- case EN_HSCROLL:
- wxDebugMsg("EN_HSCROLL\n");
- break;
- case EN_VSCROLL:
- wxDebugMsg("EN_VSCROLL\n");
- break;
- default:
- wxDebugMsg("Unknown EDIT notification\n");
- break;
- }
-*/
- switch (param)
- {
- 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;
-
- 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;
-
- // the other notification messages are not processed
- case EN_UPDATE:
- case EN_ERRSPACE:
- case EN_MAXTEXT:
- case EN_HSCROLL:
- case EN_VSCROLL:
- default:
- return FALSE;
- }
-
- // processed
- return TRUE;
-}
-
-
-// For Rich Edit controls. Do we need it?
-#if 0
+ 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::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() );
+}
+
+// the rest of the file only deals with the rich edit controls
#if wxUSE_RICHEDIT
-bool wxTextCtrl::MSWNotify(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::MSWNotify(wParam, lParam);
- break;
- }
-
- event.SetEventObject( this );
- event.SetEventType(eventType);
-
- if ( !GetEventHandler()->ProcessEvent(event) )
+
+// ----------------------------------------------------------------------------
+// EN_LINK processing
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM *result)
+{
+ NMHDR *hdr = (NMHDR* )lParam;
+ if ( hdr->code == EN_LINK )
+ {
+ ENLINK *enlink = (ENLINK *)hdr;
+
+ switch ( enlink->msg )
+ {
+ case WM_SETCURSOR:
+ // ok, so it is hardcoded - do we really nee to customize it?
+ ::SetCursor(GetHcursorOf(wxCursor(wxCURSOR_HAND)));
+ *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
return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// colour setting for the rich edit controls
+// ----------------------------------------------------------------------------
+
+bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
+{
+ if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
+ {
+ // colour didn't really change
+ return FALSE;
+ }
+
+ if ( IsRich() )
+ {
+ // rich edit doesn't use WM_CTLCOLOR, hence we need to send
+ // EM_SETBKGNDCOLOR additionally
+ ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
+ }
+
+ return TRUE;
+}
+
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
+{
+ if ( !wxTextCtrlBase::SetForegroundColour(colour) )
+ {
+ // colour didn't really change
+ return FALSE;
+ }
+
+ if ( IsRich() )
+ {
+ // change the colour of everything
+ CHARFORMAT cf;
+ wxZeroMemory(cf);
+ cf.cbSize = sizeof(cf);
+ cf.dwMask = CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(colour);
+ ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
+ }
return TRUE;
}
+
+// ----------------------------------------------------------------------------
+// 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 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() )
+ {
+ // 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 )
+ {
+ DoSetSelection(start, end, FALSE /* don't scroll caret into view */);
+ }
+
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
#endif
+
+ 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 )
+ {
+ // this is the only thing the control is going to grok
+ cf.cbSize = sizeof(CHARFORMAT);
+ }
+ else
#endif
+ {
+ // CHARFORMAT or CHARFORMAT2
+ cf.cbSize = sizeof(cf);
+ }
+
+ if ( style.HasFont() )
+ {
+ // 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)
+ 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 ( m_verRichEdit != 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
+ DoSetSelection(startOld, endOld, FALSE);
+ }
+
+ return ok;
+}
+
+// ----------------------------------------------------------------------------
+// wxRichEditModule
+// ----------------------------------------------------------------------------
+
+bool wxRichEditModule::OnInit()
+{
+ // don't do anything - we will load it when needed
+ return TRUE;
+}
+
+void wxRichEditModule::OnExit()
+{
+ for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
+ {
+ if ( ms_hRichEdit[i] )
+ {
+ ::FreeLibrary(ms_hRichEdit[i]);
+ }
+ }
+}
+
+/* static */
+bool wxRichEditModule::Load(int version)
+{
+ // we don't support loading richedit 3.0 as I don't know how to distinguish
+ // it from 2.0 anyhow
+ wxCHECK_MSG( version == 1 || version == 2, FALSE,
+ _T("incorrect richedit control version requested") );
+
+ // make it the index in the array
+ version--;
+
+ if ( ms_hRichEdit[version] == (HINSTANCE)-1 )
+ {
+ // we had already tried to load it and failed
+ return FALSE;
+ }
+
+ if ( ms_hRichEdit[version] )
+ {
+ // we've already got this one
+ return TRUE;
+ }
+
+ wxString dllname = version ? _T("riched20") : _T("riched32");
+ dllname += _T(".dll");
+
+ ms_hRichEdit[version] = ::LoadLibrary(dllname);
+
+ if ( !ms_hRichEdit[version] )
+ {
+ wxLogSysError(_("Could not load Rich Edit DLL '%s'"), dllname.c_str());
+
+ ms_hRichEdit[version] = (HINSTANCE)-1;
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+#endif // wxUSE_RICHEDIT
+#endif // wxUSE_TEXTCTRL
projects / wxWidgets.git / blobdiff