/////////////////////////////////////////////////////////////////////////////
-// Name: textctrl.cpp
+// Name: msw/textctrl.cpp
// Purpose: wxTextCtrl
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// 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/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
-#if USE_CLIPBOARD
-#include "wx/app.h"
-#include "wx/clipbrd.h"
+#include "wx/module.h"
+
+#if wxUSE_CLIPBOARD
+ #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 "fstream.h"
-
#include <sys/types.h>
-#include <sys/stat.h>
-#if defined(__BORLANDC__) && !defined(__WIN32__)
-#include <alloc.h>
-#else
-#ifndef __GNUWIN32__
-#include <malloc.h>
+
+#if wxUSE_RICHEDIT && (!defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__))
+ #include <richedit.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>
+// cygwin does not have these defined for richedit
+#ifndef ENM_LINK
+ #define ENM_LINK 0x04000000
+#endif
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
-#include <richedit.h>
+#ifndef EM_AUTOURLDETECT
+ #define EM_AUTOURLDETECT (WM_USER + 91)
#endif
-#if !USE_SHARED_LIBRARY
+#ifndef EN_LINK
+ #define EN_LINK 0x070b
+
+ typedef struct _enlink
+ {
+ NMHDR nmhdr;
+ UINT msg;
+ WPARAM wParam;
+ LPARAM lParam;
+ CHARRANGE chrg;
+ } ENLINK;
+#endif // ENLINK
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+#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
+
+// ----------------------------------------------------------------------------
+// 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
+// ============================================================================
+// implementation
+// ============================================================================
-// Text item
-wxTextCtrl::wxTextCtrl(void)
-#ifndef NO_TEXT_WINDOW_STREAM
- :streambuf()
-#endif
+// ----------------------------------------------------------------------------
+// creation
+// ----------------------------------------------------------------------------
+
+wxTextCtrl::wxTextCtrl()
{
- m_fileName = "";
- m_isRich = FALSE;
+#if wxUSE_RICHEDIT
+ m_isRich = FALSE;
+#endif
}
bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxString& value,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
{
- m_fileName = "";
- SetName(name);
- SetValidator(validator);
- if (parent) parent->AddChild(this);
+ // base initialization
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+ return FALSE;
+
+ if ( parent )
+ parent->AddChild(this);
- m_windowStyle = style;
+ // translate wxWin style flags to MSW ones, checking for consistency while
+ // doing it
+ long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- // Should this be taken from the system colours?
-// SetBackgroundColour(wxColour(255, 255, 255));
+ if ( m_windowStyle & wxCLIP_SIBLINGS )
+ msStyle |= WS_CLIPSIBLINGS;
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ 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)") );
- SetForegroundColour(parent->GetDefaultForegroundColour()) ;
+ msStyle |= ES_MULTILINE | ES_WANTRETURN;
+ if ((m_windowStyle & wxTE_NO_VSCROLL) == 0)
+ msStyle |= WS_VSCROLL;
+ m_windowStyle |= wxTE_PROCESS_ENTER;
+ }
+ else
+ msStyle |= ES_AUTOHSCROLL;
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ if (m_windowStyle & wxHSCROLL)
+ msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
+ if (m_windowStyle & wxTE_READONLY)
+ msStyle |= ES_READONLY;
-#ifdef __WIN32__
- WXHGLOBAL m_globalHandle = 0;
-#else
- // Obscure method from the MS Developer's Network Disk for
- // using global memory instead of the local heap, which
- // runs out far too soon. Solves the problem with
- // failing to appear.
-
- // Doesn't seem to work for Win95, so removing.
- m_globalHandle=0;
-// if ((wxGetOsVersion() != wxWINDOWS_NT) && (wxGetOsVersion() != wxWIN95))
-// m_globalHandle = (WXHGLOBAL) GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT,
-// 256L);
-#endif
- long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
- if (m_windowStyle & wxTE_MULTILINE)
- msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER
- 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;
- char *windowClass = "EDIT";
-#if defined(__WIN95__)
- if ( m_windowStyle & wxTE_MULTILINE )
-#else
- if ( FALSE )
-#endif
- {
- msStyle |= ES_AUTOVSCROLL;
- m_isRich = TRUE;
- windowClass = "RichEdit" ;
- }
- else
- m_isRich = FALSE;
-
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
-
- // If we're in Win95, and we want a simple 2D border,
- // then make it an EDIT control instead.
-#if defined(__WIN95__)
- if (m_windowStyle & wxSIMPLE_BORDER)
- {
- windowClass = "EDIT";
- m_isRich = FALSE;
- }
-#endif
+ // we always want the characters and the arrows
+ m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
- if (want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) ||
- (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER))
- msStyle |= WS_BORDER;
-
- HWND edit = CreateWindowEx(exStyle, windowClass, NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) ((wxWindow*)parent)->GetHWND(), (HMENU)m_windowId,
- m_globalHandle ? (HINSTANCE) m_globalHandle : wxGetInstance(), NULL);
-
-#if CTL3D
- if ( want3D )
- {
- Ctl3dSubclassCtl(edit);
- m_useCtl3D = TRUE;
- }
-#endif
+ // we may have several different cases:
+ // 1. normal case: both TAB and ENTER are used for dialog navigation
+ // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next
+ // control in the dialog
+ // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation
+ // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to
+ // the next control
+ if ( m_windowStyle & wxTE_PROCESS_ENTER )
+ m_lDlgCode |= DLGC_WANTMESSAGE;
+ if ( m_windowStyle & wxTE_PROCESS_TAB )
+ m_lDlgCode |= DLGC_WANTTAB;
- m_hWnd = (WXHWND)edit;
+ // do create the control - either an EDIT or RICHEDIT
+ wxString windowClass = wxT("EDIT");
-#if defined(__WIN95__)
- if (m_isRich)
- {
- // Have to enable events
- ::SendMessage(edit, EM_SETEVENTMASK, 0, ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE);
- }
+#if wxUSE_RICHEDIT
+ 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"));
+
+ s_errorGiven = TRUE;
+ }
+ }
+
+ if ( s_errorGiven )
+ {
+ m_isRich = FALSE;
+ }
+ else
+ {
+ msStyle |= ES_AUTOVSCROLL;
+ // Experimental: this seems to help with the scroll problem. See messages from Jekabs Andrushaitis <j.andrusaitis@konts.lv>
+ // wx-dev list, entitled "[wx-dev] wxMSW-EVT_KEY_DOWN and wxMSW-wxTextCtrl" and "[wx-dev] TextCtrl (RichEdit)"
+ // Unfortunately, showing the selection in blue when the control doesn't have
+ // the focus is non-standard behaviour, and we need to find another workaround.
+ //msStyle |= ES_NOHIDESEL ;
+ m_isRich = TRUE;
+
+ 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
+
+ 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(GetHwnd());
+ m_useCtl3D = TRUE;
+ }
#endif
- SubclassWin(GetHWND());
+#if wxUSE_RICHEDIT
+ if (m_isRich)
+ {
+ // have to enable events manually
+ LPARAM mask = ENM_CHANGE | ENM_DROPFILES | ENM_SELCHANGE | ENM_UPDATE;
- if ( parent->GetFont() && parent->GetFont()->Ok() )
- {
- SetFont(* parent->GetFont());
- }
- else
- {
- SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
- }
+ if ( m_windowStyle & wxTE_AUTO_URL )
+ {
+ mask |= ENM_LINK;
- SetSize(x, y, width, height);
+ ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
+ }
+
+ ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
+ }
+#endif // wxUSE_RICHEDIT
+
+ SubclassWin(GetHWND());
+
+ // 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 != "")
- SetWindowText(edit, (const char *)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)
-void wxTextCtrl::AdoptAttributesFromHWND(void)
+void wxTextCtrl::AdoptAttributesFromHWND()
{
- wxWindow::AdoptAttributesFromHWND();
-
- HWND hWnd = (HWND) GetHWND();
- long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
-
- char buf[256];
+ wxWindow::AdoptAttributesFromHWND();
-#ifndef __WIN32__
- GetClassName((HWND) hWnd, buf, 256);
-#else
-#ifdef UNICODE
- GetClassNameW((HWND) hWnd, buf, 256);
-#else
- GetClassNameA((HWND) hWnd, buf, 256);
-#endif
-#endif
+ HWND hWnd = GetHwnd();
+ long style = GetWindowLong(hWnd, GWL_STYLE);
- wxString str(buf);
- str.UpperCase();
+ // retrieve the style to see whether this is an edit or richedit ctrl
+#if wxUSE_RICHEDIT
+ wxChar buf[256];
- if (str == "EDIT")
- m_isRich = FALSE;
- else
- m_isRich = TRUE;
+ GetClassName(hWnd, buf, WXSIZEOF(buf));
- if (style & ES_MULTILINE)
- m_windowStyle |= wxTE_MULTILINE;
- if (style & ES_PASSWORD)
- m_windowStyle |= wxTE_PASSWORD;
- if (style & ES_READONLY)
- m_windowStyle |= wxTE_READONLY;
- if (style & ES_WANTRETURN)
- m_windowStyle |= wxTE_PROCESS_ENTER;
+ if ( wxStricmp(buf, wxT("EDIT")) == 0 )
+ m_isRich = FALSE;
+ else
+ m_isRich = TRUE;
+#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(void)
+void wxTextCtrl::SetupColours()
{
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
- SetForegroundColour(GetParent()->GetDefaultForegroundColour());
+ 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());
}
-wxString wxTextCtrl::GetValue(void) const
+// ----------------------------------------------------------------------------
+// set/get the controls text
+// ----------------------------------------------------------------------------
+
+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;
+ // 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)
- {
- char *tmp = new char[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 ++;
+ 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();
}
- 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)
+void wxTextCtrl::WriteText(const wxString& value)
{
- int currentX, currentY;
- GetPosition(¤tX, ¤tY);
- int x1 = x;
- int y1 = y;
- int w1 = width;
- int h1 = height;
+ wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
- 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;
+#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
- wxGetCharSize(GetHWND(), &cx, &cy,GetFont());
+ SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
- float control_width, control_height, control_x, control_y;
+ AdjustSpaceLimit();
+}
- // If we're prepared to use the existing size, then...
- if (width == -1 && height == -1 && ((sizeFlags & wxSIZE_AUTO) != wxSIZE_AUTO))
- {
- GetSize(&w1, &h1);
- }
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ SetInsertionPointEnd();
+ WriteText(text);
+}
- // Deal with default size (using -1 values)
- if (w1<=0)
- w1 = DEFAULT_ITEM_WIDTH;
+void wxTextCtrl::Clear()
+{
+ SetWindowText(GetHwnd(), wxT(""));
+}
- control_x = (float)x1;
- control_y = (float)y1;
- control_width = (float)w1;
- control_height = (float)h1;
+// ----------------------------------------------------------------------------
+// Clipboard operations
+// ----------------------------------------------------------------------------
- // Calculations may have made text size too small
- if (control_height <= 0)
- control_height = (float)(int)(cy*EDIT_CONTROL_FACTOR) ;
+void wxTextCtrl::Copy()
+{
+ if (CanCopy())
+ {
+ HWND hWnd = GetHwnd();
+ SendMessage(hWnd, WM_COPY, 0, 0L);
+ }
+}
- if (control_width <= 0)
- control_width = (float)DEFAULT_ITEM_WIDTH;
+void wxTextCtrl::Cut()
+{
+ if (CanCut())
+ {
+ HWND hWnd = GetHwnd();
+ SendMessage(hWnd, WM_CUT, 0, 0L);
+ }
+}
- MoveWindow((HWND) GetHWND(), (int)control_x, (int)control_y,
- (int)control_width, (int)control_height, TRUE);
+void wxTextCtrl::Paste()
+{
+ if (CanPaste())
+ {
+ HWND hWnd = GetHwnd();
+ SendMessage(hWnd, WM_PASTE, 0, 0L);
+ }
}
-// Clipboard operations
-void wxTextCtrl::Copy(void)
+bool wxTextCtrl::CanCopy() const
{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_COPY, 0, 0L);
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) ;
}
-void wxTextCtrl::Cut(void)
+bool wxTextCtrl::CanCut() const
{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_CUT, 0, 0L);
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) && (IsEditable());
}
-void wxTextCtrl::Paste(void)
+bool wxTextCtrl::CanPaste() const
{
- HWND hWnd = (HWND) GetHWND();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
+#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 = (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 = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
#ifdef __WIN32__
-#if defined(__WIN95__)
- 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));
+#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 // 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
+
+#if wxUSE_RICHEDIT
+ if ( !m_isRich)
#endif
- char *nothing = "";
- SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+ {
+ static const wxChar *nothing = _T("");
+ SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
+ }
}
-void wxTextCtrl::SetInsertionPointEnd(void)
+void wxTextCtrl::SetInsertionPointEnd()
{
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
+ long pos = GetLastPosition();
+ SetInsertionPoint(pos);
}
-long wxTextCtrl::GetInsertionPoint(void) const
+long wxTextCtrl::GetInsertionPoint() const
{
-#if defined(__WIN95__)
- if (m_isRich)
- {
- CHARRANGE range;
- range.cpMin = 0;
- range.cpMax = 0;
- SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) &range);
- return range.cpMin;
- }
+#if wxUSE_RICHEDIT
+ 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((HWND) GetHWND(), EM_GETSEL, 0, 0L);
- return Pos&0xFFFF;
+ DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
+ return Pos & 0xFFFF;
}
-long wxTextCtrl::GetLastPosition(void) const
+long wxTextCtrl::GetLastPosition() const
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
// Will always return a number > 0 (according to docs)
int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
// 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);
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)
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
long fromChar = from;
long toChar = to;
-
+
// Set selection and remove it
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
+ SendMessage(hWnd, EM_REPLACESEL, (WPARAM)TRUE, (LPARAM)value.c_str());
#else
SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
+ SendMessage(hWnd, EM_REPLACESEL, (WPARAM)0, (LPARAM)value.c_str());
#endif
- SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
-
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *) (const char *)value, 0, 0);
-
- // Paste into edit control
- SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
}
void wxTextCtrl::Remove(long from, long to)
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
long fromChar = from;
long toChar = to;
-
+
// Cut all selected text
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
+ SendMessage(hWnd, EM_REPLACESEL, (WPARAM)TRUE, (LPARAM)"");
#else
SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar));
+ SendMessage(hWnd, EM_REPLACESEL, (WPARAM)0, (LPARAM)"");
#endif
- SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
}
void wxTextCtrl::SetSelection(long from, long to)
{
- HWND hWnd = (HWND) GetHWND();
+ 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;
toChar = -1;
}
-
+
#ifdef __WIN32__
SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
bool wxTextCtrl::LoadFile(const wxString& file)
{
- if (!FileExists(WXSTRINGCAST file))
- return FALSE;
-
- m_fileName = file;
-
- Clear();
-
- ifstream input(WXSTRINGCAST file, ios::nocreate | 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...
-
- struct stat stat_buf;
- if (stat(file, &stat_buf) < 0)
- return FALSE;
-// 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 == "")
- return FALSE;
- m_fileName = theFile;
-
- ofstream output((char*) (const char*) theFile);
- if (output.bad())
- return FALSE;
-
- // 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;
-
- // Convert \r\n to just \n
- while (*pstr)
- {
- if (*pstr != '\r')
- output << *pstr;
- pstr++;
- }
-
- farfree(tmp_buffer);
- SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
-
- 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 ( wxTextCtrlBase::LoadFile(file) )
{
- if (text[i] == '\n')
- {
- newtext[j] = '\r';
- j ++;
- }
- newtext[j] = text[i];
- i ++;
- j ++;
+ // update the size limit if needed
+ AdjustSpaceLimit();
+
+ return TRUE;
}
- newtext[j] = 0;
- SendMessage((HWND) GetHWND(), EM_REPLACESEL, 0, (LPARAM)newtext);
- delete[] newtext;
-}
-void wxTextCtrl::Clear(void)
-{
-// SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)"");
- SetWindowText((HWND) GetHWND(), "");
+ return FALSE;
}
-bool wxTextCtrl::IsModified(void) const
+bool wxTextCtrl::IsModified() const
{
- return (SendMessage((HWND) GetHWND(), EM_GETMODIFY, 0, 0) != 0);
+ return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
}
// Makes 'unmodified'
-void wxTextCtrl::DiscardEdits(void)
+void wxTextCtrl::DiscardEdits()
{
- SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+ SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
}
-/*
- * Some of the following functions are yet to be implemented
- *
- */
-
-int wxTextCtrl::GetNumberOfLines(void) const
+int wxTextCtrl::GetNumberOfLines() const
{
- return (int)SendMessage((HWND) GetHWND(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+ return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
}
long wxTextCtrl::XYToPosition(long x, long y) const
{
- HWND hWnd = (HWND) GetHWND();
+ HWND hWnd = GetHwnd();
// 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);
}
-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
- HWND hWnd = (HWND) GetHWND();
+ 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)
{
- HWND hWnd = (HWND) GetHWND();
+ 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:
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;
-/*
- wxDebugMsg("Caret line: %d; Current visible line: %d; Specified line: %d; lines to scroll: %d\n",
- currentLineLineNo1, currentLineLineNo, specifiedLineLineNo, linesToScroll);
-*/
+ int linesToScroll = specifiedLineLineNo - currentLineLineNo;
if (linesToScroll != 0)
- (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)MAKELPARAM(linesToScroll, 0));
+ (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
}
int wxTextCtrl::GetLineLength(long lineNo) const
{
long charIndex = XYToPosition(0, lineNo);
- HWND hWnd = (HWND) GetHWND();
- int len = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0);
+ int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
return len;
}
wxString wxTextCtrl::GetLineText(long lineNo) const
{
- HWND hWnd = (HWND) GetHWND();
- *(WORD *)wxBuffer = 512;
- int noChars = (int)SendMessage(hWnd, EM_GETLINE, (WPARAM)lineNo, (LPARAM)wxBuffer);
- wxBuffer[noChars] = 0;
- return wxString(wxBuffer);
+ 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;
+ 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;
+}
+
+void wxTextCtrl::SetMaxLength(unsigned long len)
+{
+ ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
}
-/*
- * Text item
- */
-
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Undo()
+{
+ if (CanUndo())
+ {
+ ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ }
+}
+
+void wxTextCtrl::Redo()
+{
+ if (CanRedo())
+ {
+ // Same as Undo, since Undo undoes the undo, i.e. a redo.
+ ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+ }
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+ return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+ return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 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 wb_text.h.
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow(int c)
-{
- // Make sure there is a holding area
- if ( allocate()==EOF )
- {
- wxError("Streambuf allocation failed","Internal error");
- return EOF;
- }
-
- // 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");
- setp( base(), base() );
- }
-
- // 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);
+ // 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)
+{
+ MSG *msg = (MSG *)pMsg;
+
+ // check for our special keys here: if we don't do it and the parent frame
+ // uses them as accelerators, they wouldn't work at all, so we disable
+ // usual preprocessing for them
+ if ( msg->message == WM_KEYDOWN )
+ {
+ WORD vkey = msg->wParam;
+ if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
+ {
+ if ( vkey == VK_BACK )
+ return FALSE;
+ }
+ else // no Alt
+ {
+ if ( wxIsCtrlDown() )
+ {
+ switch ( vkey )
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return FALSE;
+ }
+ }
+ 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:
+ if ( !(m_windowStyle & wxTE_MULTILINE) )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ InitCommandEvent(event);
+ event.SetString(GetValue());
+ if ( GetEventHandler()->ProcessEvent(event) )
+ return;
+ }
+ //else: multiline controls need Enter for themselves
+
+ break;
+
+ case WXK_TAB:
+ // always produce navigation event - even if we process TAB
+ // ourselves the fact that we got here means that the user code
+ // decided to skip processing of this TAB - probably to let it
+ // do its default job.
+ {
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetDirection(!event.ShiftDown());
+ eventNav.SetWindowChange(event.ControlDown());
+ eventNav.SetEventObject(this);
+
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ return;
+ }
+ break;
+ }
+
+ // no, we didn't process it
+ event.Skip();
+}
+
+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
- return c!=EOF ? c : 0; // this should make everybody happy
+ 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);
-/* 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(void)
-{
- // 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(void)
-{
- return EOF;
}
#endif
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+bool wxTextCtrl::AdjustSpaceLimit()
{
- WriteText(s);
- return *this;
+#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 )
+ {
+ // we've got more text than limit set by SetMaxLength()
+ return FALSE;
+ }
+
+ unsigned int len = ::GetWindowTextLength(GetHwnd());
+ if ( len >= limit )
+ {
+ limit = len + 0x8000; // 32Kb
+
+#if wxUSE_RICHEDIT
+ 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 // !Win16
+
+ // we changed the limit
+ return TRUE;
}
-wxTextCtrl& wxTextCtrl::operator<<(float f)
+bool wxTextCtrl::AcceptsFocus() const
{
- wxString str;
- str.Printf("%.2f", f);
- WriteText(str);
- return *this;
+ // we don't want focus if we can't be edited
+ return IsEditable() && wxControl::AcceptsFocus();
}
-wxTextCtrl& wxTextCtrl::operator<<(double d)
+wxSize wxTextCtrl::DoGetBestSize() const
{
- wxString str;
- str.Printf("%.2f", d);
- WriteText(str);
- return *this;
+ 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);
}
-wxTextCtrl& wxTextCtrl::operator<<(int i)
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
- wxString str;
- str.Printf("%d", i);
- WriteText(str);
- return *this;
+ Cut();
}
-wxTextCtrl& wxTextCtrl::operator<<(long i)
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- wxString str;
- str.Printf("%ld", i);
- WriteText(str);
- return *this;
+ Copy();
}
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
{
- char buf[2];
+ Paste();
+}
- buf[0] = c;
- buf[1] = 0;
- WriteText(buf);
- return *this;
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+ Undo();
}
-WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
{
-#if CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif
+ Redo();
+}
- if (GetParent()->GetTransparentBackground())
- SetBkMode((HDC) pDC, TRANSPARENT);
- else
- SetBkMode((HDC) pDC, OPAQUE);
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCut() );
+}
- ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+ event.Enable( CanCopy() );
+}
- wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
- // 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::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
}
-void wxTextCtrl::OnChar(wxKeyEvent& event)
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
{
- if ( (event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- event.SetEventObject( this );
- if ( GetEventHandler()->ProcessEvent(event) )
- return;
- }
- else if ( event.KeyCode() == WXK_TAB ) {
- wxNavigationKeyEvent event;
- event.SetDirection(!(::GetKeyState(VK_SHIFT) & 0x100));
- event.SetWindowChange(FALSE);
- event.SetEventObject(this);
+ event.Enable( CanRedo() );
+}
- if ( GetEventHandler()->ProcessEvent(event) )
- return;
- }
+// the rest of the file only deals with the rich edit controls
+#if wxUSE_RICHEDIT
- event.Skip();
-}
+// ----------------------------------------------------------------------------
+// EN_LINK processing
+// ----------------------------------------------------------------------------
-long wxTextCtrl::MSWGetDlgCode()
+bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
{
- long lRc = DLGC_WANTCHARS | DLGC_WANTARROWS;
- if ( m_windowStyle & wxPROCESS_ENTER )
- lRc |= DLGC_WANTMESSAGE;
- else if ( m_windowStyle & wxTE_MULTILINE )
- lRc |= DLGC_WANTMESSAGE;
+ 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;
+ }
- return lRc;
+ // not processed
+ return FALSE;
}
-void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
+// ----------------------------------------------------------------------------
+// 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)
{
- if ( m_windowStyle & wxTE_MULTILINE )
+ if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
+ {
+ // colour didn't really change
+ return FALSE;
+ }
+
+ if ( IsRich() )
{
- // No flicker - only problem is we probably can't change the background
- Default();
-/*
- RECT rect;
- ::GetClientRect((HWND) GetHWND(), &rect);
-
- HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
- int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
-
- ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
- ::DeleteObject(hBrush);
- ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
-*/
+ // rich edit doesn't use WM_CTLCOLOR, hence we need to send
+ // EM_SETBKGNDCOLOR additionally
+ ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
}
-// wxWindow::OnEraseBackground(event);
+
+ return TRUE;
}
-bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
{
-/*
- // 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 );
- 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
-#if defined(__WIN95__)
-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 ( !ProcessEvent(event) )
- return FALSE;
-
- return TRUE;
+ 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
-#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