// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
-#pragma implementation "textctrl.h"
+ #pragma implementation "textctrl.h"
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fstream.h>
+#include <ctype.h>
#include "wx/textctrl.h"
#include "wx/settings.h"
#include "wx/filefn.h"
#include "wx/utils.h"
-#if defined(__BORLANDC__) && !defined(__WIN32__)
-#include <alloc.h>
-#else
-#ifndef __GNUWIN32__
-#include <malloc.h>
+#ifdef __VMS__
+#pragma message disable nosimpint
#endif
+#include <Xm/Text.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
#endif
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+#include "wx/motif/private.h"
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
- EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
-END_EVENT_TABLE()
-#endif
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// helper: inserts the new text in the value of the text ctrl and returns the
+// result in place
+static void MergeChangesIntoString(wxString& value,
+ XmTextVerifyCallbackStruct *textStruct);
+
+// callbacks
+static void wxTextWindowChangedProc(Widget w, XtPointer clientData, XtPointer ptr);
+static void wxTextWindowModifyProc(Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs);
+static void wxTextWindowGainFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
+static void wxTextWindowLoseFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
+static void wxTextWindowActivateProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *ptr);
+
+ IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+
+ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+ EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+ EVT_CHAR(wxTextCtrl::OnChar)
+
+ 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)
+
+ END_EVENT_TABLE()
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxTextCtrl
+// ----------------------------------------------------------------------------
// Text item
wxTextCtrl::wxTextCtrl()
-#ifndef NO_TEXT_WINDOW_STREAM
- :streambuf()
-#endif
{
- m_fileName = "";
+ m_tempCallbackStruct = (void*) NULL;
+ m_modified = FALSE;
+ m_processedDefault = FALSE;
}
-bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxString& value,
- const wxPoint& pos,
- const wxSize& size, long style,
- const wxValidator& validator,
- const wxString& name)
+bool wxTextCtrl::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
{
- m_fileName = "";
+ m_tempCallbackStruct = (void*) NULL;
+ m_modified = FALSE;
+ m_processedDefault = FALSE;
+ // m_backgroundColour = parent->GetBackgroundColour();
+ m_backgroundColour = * wxWHITE;
+ m_foregroundColour = parent->GetForegroundColour();
+
SetName(name);
SetValidator(validator);
- if (parent) parent->AddChild(this);
+ if (parent)
+ parent->AddChild(this);
m_windowStyle = style;
if ( id == -1 )
- m_windowId = (int)NewControlId();
+ m_windowId = (int)NewControlId();
else
- m_windowId = id;
+ m_windowId = id;
+
+ Widget parentWidget = (Widget) parent->GetClientWidget();
+
+ bool wantHorizScrolling = ((m_windowStyle & wxHSCROLL) != 0);
+
+ // If we don't have horizontal scrollbars, we want word wrap.
+ bool wantWordWrap = !wantHorizScrolling;
+
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ Arg args[2];
+ XtSetArg (args[0], XmNscrollHorizontal, wantHorizScrolling ? True : False);
+ XtSetArg (args[1], XmNwordWrap, wantWordWrap ? True : False);
+
+ m_mainWidget = (WXWidget) XmCreateScrolledText(parentWidget,
+ (char*)name.c_str(),
+ args, 2);
+
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNeditable, ((style & wxTE_READONLY) ? False : True),
+ XmNeditMode, XmMULTI_LINE_EDIT,
+ NULL);
+ XtManageChild ((Widget) m_mainWidget);
+ }
+ else
+ {
+ m_mainWidget = (WXWidget)XtVaCreateManagedWidget
+ (
+ (char*)name.c_str(),
+ xmTextWidgetClass,
+ parentWidget,
+ NULL
+ );
+
+ XtVaSetValues ((Widget) m_mainWidget,
+ XmNeditable, ((style & wxTE_READONLY) ? False : True),
+ NULL);
+
+ // TODO: Is this relevant? What does it do?
+ int noCols = 2;
+ if (!value.IsNull() && (value.Length() > (unsigned int) noCols))
+ noCols = value.Length();
+ XtVaSetValues((Widget) m_mainWidget,
+ XmNcolumns, noCols,
+ NULL);
+ }
+
+ // remove border if asked for
+ if ( style & wxNO_BORDER )
+ {
+ XtVaSetValues((Widget)m_mainWidget,
+ XmNshadowThickness, 0,
+ NULL);
+ }
+
+ if ( !!value )
+ {
+#if 0
+ // don't do this because it is just linking the text to a source
+ // string which is unsafe. MB
+ //
+ XmTextSetString ((Widget) m_mainWidget, (char*)value.c_str());
+#else
+ // do this instead... MB
+ //
+ XtVaSetValues( (Widget) m_mainWidget,
+ XmNvalue, (char *)value.c_str(),
+ NULL);
+#endif
+ }
+
+ // install callbacks
+ XtAddCallback((Widget) m_mainWidget, XmNvalueChangedCallback, (XtCallbackProc)wxTextWindowChangedProc, (XtPointer)this);
+
+ XtAddCallback((Widget) m_mainWidget, XmNmodifyVerifyCallback, (XtCallbackProc)wxTextWindowModifyProc, (XtPointer)this);
+
+ XtAddCallback((Widget) m_mainWidget, XmNactivateCallback, (XtCallbackProc)wxTextWindowActivateProc, (XtPointer)this);
+
+ XtAddCallback((Widget) m_mainWidget, XmNfocusCallback, (XtCallbackProc)wxTextWindowGainFocusProc, (XtPointer)this);
+
+ XtAddCallback((Widget) m_mainWidget, XmNlosingFocusCallback, (XtCallbackProc)wxTextWindowLoseFocusProc, (XtPointer)this);
+
+ // font
+ m_font = parent->GetFont();
+ ChangeFont(FALSE);
+
+ SetCanAddEventHandler(TRUE);
+ AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
+
+ ChangeBackgroundColour();
return TRUE;
}
-wxString wxTextCtrl::GetValue() const
+WXWidget wxTextCtrl::GetTopWidget() const
{
- // TODO
- return wxString("");
+ return ((m_windowStyle & wxTE_MULTILINE) ? (WXWidget) XtParent((Widget) m_mainWidget) : m_mainWidget);
}
-void wxTextCtrl::SetValue(const wxString& value)
+wxString wxTextCtrl::GetValue() const
{
- // TODO
+ wxString str; // result
+
+ if (m_windowStyle & wxTE_PASSWORD)
+ {
+ // the value is stored always in m_value because it can't be retrieved
+ // from the text control
+ str = m_value;
+ }
+ else
+ {
+ // just get the string from Motif
+ char *s = XmTextGetString ((Widget) m_mainWidget);
+ if ( s )
+ {
+ str = s;
+ XtFree (s);
+ }
+ //else: return empty string
+
+ if ( m_tempCallbackStruct )
+ {
+ // the string in the control isn't yet updated, can't use it as is
+ MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *)
+ m_tempCallbackStruct);
+ }
+ }
+
+ return str;
}
-void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxTextCtrl::SetValue(const wxString& value)
{
- // TODO
+ m_inSetValue = TRUE;
+
+#if 0
+ // don't do this because it is just linking the text to a source
+ // string which is unsafe. MB
+ //
+ XmTextSetString ((Widget) m_mainWidget, (char*)value.c_str());
+#else
+ // do this instead... MB
+ //
+ XtVaSetValues( (Widget) m_mainWidget,
+ XmNvalue, (char *)value.c_str(),
+ NULL);
+#endif
+
+ m_inSetValue = FALSE;
}
// Clipboard operations
void wxTextCtrl::Copy()
{
- // TODO
+ XmTextCopy((Widget) m_mainWidget, CurrentTime);
}
void wxTextCtrl::Cut()
{
- // TODO
+ XmTextCut((Widget) m_mainWidget, CurrentTime);
}
void wxTextCtrl::Paste()
{
- // TODO
+ XmTextPaste((Widget) m_mainWidget);
+}
+
+bool wxTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) ;
+}
+
+bool wxTextCtrl::CanCut() const
+{
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to) ;
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+ return IsEditable() ;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+ // Not possible in Motif
+}
+
+void wxTextCtrl::Redo()
+{
+ // Not possible in Motif
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+ // No Undo in Motif
+ return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+ // No Redo in Motif
+ return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+ XmTextPosition left, right;
+
+ XmTextGetSelectionPosition((Widget) m_mainWidget, & left, & right);
+
+ *from = (long) left;
+ *to = (long) right;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+ return (XmTextGetEditable((Widget) m_mainWidget) != 0);
}
void wxTextCtrl::SetEditable(bool editable)
{
- // TODO
+ XmTextSetEditable((Widget) m_mainWidget, (Boolean) editable);
}
void wxTextCtrl::SetInsertionPoint(long pos)
{
- // TODO
+ XmTextSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
}
void wxTextCtrl::SetInsertionPointEnd()
long wxTextCtrl::GetInsertionPoint() const
{
- // TODO
- return 0;
+ return (long) XmTextGetInsertionPosition ((Widget) m_mainWidget);
}
long wxTextCtrl::GetLastPosition() const
{
- // TODO
- return 0;
+ return (long) XmTextGetLastPosition ((Widget) m_mainWidget);
}
void wxTextCtrl::Replace(long from, long to, const wxString& value)
{
- // TODO
+ XmTextReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+ (char*) (const char*) value);
}
void wxTextCtrl::Remove(long from, long to)
{
- // TODO
+ XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+ (Time) 0);
+ XmTextRemove ((Widget) m_mainWidget);
}
void wxTextCtrl::SetSelection(long from, long to)
{
- // TODO
+ XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+ (Time) 0);
}
bool wxTextCtrl::LoadFile(const wxString& file)
Clear();
- ifstream input((char*) (const char*) file, ios::nocreate | ios::in);
+ Widget textWidget = (Widget) m_mainWidget;
+ FILE *fp = 0;
- if (!input.bad())
+ struct stat statb;
+ if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
+ !(fp = fopen ((char*) (const char*) file, "r")))
{
- struct stat stat_buf;
- if (stat(file, &stat_buf) < 0)
+ return FALSE;
+ }
+ else
+ {
+ long len = statb.st_size;
+ char *text;
+ if (!(text = XtMalloc ((unsigned) (len + 1))))
+ {
+ fclose (fp);
return FALSE;
- // 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*)malloc((size_t)(stat_buf.st_size+1+1000));
- long no_lines = 0;
- long pos = 0;
- while (!input.eof() && input.peek() != EOF)
+ }
+ if (fread (text, sizeof (char), len, fp) != (size_t) len)
{
- 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++;
- }
-
- // TODO add line
-
- free(tmp_buffer);
-
- return TRUE;
+ }
+ fclose (fp);
+
+ text[len] = 0;
+ XmTextSetString (textWidget, text);
+ // m_textPosition = len;
+ XtFree (text);
+ m_modified = FALSE;
+ return TRUE;
}
- return FALSE;
}
// If file is null, try saved file name first
return FALSE;
m_fileName = theFile;
- ofstream output((char*) (const char*) theFile);
- if (output.bad())
- return FALSE;
+ Widget textWidget = (Widget) m_mainWidget;
+ FILE *fp;
- // TODO get and save text
+ if (!(fp = fopen ((char*) (const char*) theFile, "w")))
+ {
+ return FALSE;
+ }
+ else
+ {
+ char *text = XmTextGetString (textWidget);
+ long len = XmTextGetLastPosition (textWidget);
- return FALSE;
+ if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
+ {
+ // Did not write whole file
+ }
+ // Make sure newline terminates the file
+ if (text[len - 1] != '\n')
+ fputc ('\n', fp);
+
+ fclose (fp);
+ XtFree (text);
+ m_modified = FALSE;
+ return TRUE;
+ }
}
void wxTextCtrl::WriteText(const wxString& text)
{
- // TODO write text to control
+ long textPosition = GetInsertionPoint() + strlen (text);
+ XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(), (char*) (const char*) text);
+ XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
+ SetInsertionPoint(textPosition);
+ XmTextShowPosition ((Widget) m_mainWidget, textPosition);
+ m_modified = TRUE;
+}
+
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ long textPosition = GetLastPosition() + strlen(text);
+ XmTextInsert ((Widget) m_mainWidget, GetLastPosition(), (char*) (const char*) text);
+ XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
+ SetInsertionPoint(textPosition);
+ XmTextShowPosition ((Widget) m_mainWidget, textPosition);
+ m_modified = TRUE;
}
void wxTextCtrl::Clear()
{
- // TODO
+ XmTextSetString ((Widget) m_mainWidget, "");
+ m_modified = FALSE;
}
bool wxTextCtrl::IsModified() const
{
- // TODO
- return FALSE;
+ return m_modified;
}
// Makes 'unmodified'
void wxTextCtrl::DiscardEdits()
{
- // TODO
+ m_modified = FALSE;
}
int wxTextCtrl::GetNumberOfLines() const
{
- // TODO
+ // HIDEOUSLY inefficient, but we have no choice.
+ char *s = XmTextGetString ((Widget) m_mainWidget);
+ if (s)
+ {
+ long i = 0;
+ int currentLine = 0;
+ bool finished = FALSE;
+ while (!finished)
+ {
+ int ch = s[i];
+ if (ch == '\n')
+ {
+ currentLine++;
+ i++;
+ }
+ else if (ch == 0)
+ {
+ finished = TRUE;
+ }
+ else
+ i++;
+ }
+
+ XtFree (s);
+ return currentLine;
+ }
return 0;
}
long wxTextCtrl::XYToPosition(long x, long y) const
{
- // TODO
- return 0;
+/* It seems, that there is a bug in some versions of the Motif library,
+ so the original wxWin-Code doesn't work. */
+ /*
+ Widget textWidget = (Widget) handle;
+ return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y);
+ */
+ /* Now a little workaround: */
+ long r=0;
+ for (int i=0; i<y; i++) r+=(GetLineLength(i)+1);
+ return r+x;
}
-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
- // TODO
+ Position xx, yy;
+ XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy);
+ if ( x )
+ *x = xx;
+ if ( y )
+ *y = yy;
+
+ return TRUE;
}
void wxTextCtrl::ShowPosition(long pos)
{
- // TODO
+ XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
}
int wxTextCtrl::GetLineLength(long lineNo) const
{
- // TODO
- return 0;
+ wxString str = GetLineText (lineNo);
+ return (int) str.Length();
}
wxString wxTextCtrl::GetLineText(long lineNo) const
{
- // TODO
- return wxString("");
+ // HIDEOUSLY inefficient, but we have no choice.
+ char *s = XmTextGetString ((Widget) m_mainWidget);
+
+ if (s)
+ {
+ wxString buf("");
+ long i;
+ int currentLine = 0;
+ for (i = 0; currentLine != lineNo && s[i]; i++ )
+ if (s[i] == '\n')
+ currentLine++;
+ // Now get the text
+ int j;
+ for (j = 0; s[i] && s[i] != '\n'; i++, j++ )
+ buf += s[i];
+
+ XtFree(s);
+ return buf;
+ }
+ else
+ return wxEmptyString;
}
/*
- * Text item
- */
-
+* Text item
+*/
+
void wxTextCtrl::Command(wxCommandEvent & event)
{
SetValue (event.GetString());
}
}
-// 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);
-#else
- return c!=EOF ? c : 0; // this should make everybody happy
-#endif
+void wxTextCtrl::OnChar(wxKeyEvent& event)
+{
+ // Indicates that we should generate a normal command, because
+ // we're letting default behaviour happen (otherwise it's vetoed
+ // by virtue of overriding OnChar)
+ m_processedDefault = TRUE;
+
+ if (m_tempCallbackStruct)
+ {
+ XmTextVerifyCallbackStruct *textStruct =
+ (XmTextVerifyCallbackStruct *) m_tempCallbackStruct;
+ textStruct->doit = True;
+ if (isascii(event.m_keyCode) && (textStruct->text->length == 1))
+ {
+ textStruct->text->ptr[0] = ((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode);
+ }
+ }
}
-//=========================================================================
-// 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;
-*/
+void wxTextCtrl::ChangeFont(bool keepOriginalSize)
+{
+ wxWindow::ChangeFont(keepOriginalSize);
+}
+
+void wxTextCtrl::ChangeBackgroundColour()
+{
+ wxWindow::ChangeBackgroundColour();
+
+ /* TODO: should scrollbars be affected? Should probably have separate
+ * function to change them (by default, taken from wxSystemSettings)
+ */
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ Widget parent = XtParent ((Widget) m_mainWidget);
+ Widget hsb, vsb;
+
+ XtVaGetValues (parent,
+ XmNhorizontalScrollBar, &hsb,
+ XmNverticalScrollBar, &vsb,
+ NULL);
+ wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+ if (hsb)
+ DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
+ if (vsb)
+ DoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
+
+ DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
+ }
}
-//=========================================================================
-// Should not be called by a "ostream". Used by a "istream"
-//=========================================================================
-int wxTextCtrl::underflow()
+void wxTextCtrl::ChangeForegroundColour()
{
- return EOF;
+ wxWindow::ChangeForegroundColour();
+
+ if (m_windowStyle & wxTE_MULTILINE)
+ {
+ Widget parent = XtParent ((Widget) m_mainWidget);
+ Widget hsb, vsb;
+
+ XtVaGetValues (parent,
+ XmNhorizontalScrollBar, &hsb,
+ XmNverticalScrollBar, &vsb,
+ NULL);
+
+ /* TODO: should scrollbars be affected? Should probably have separate
+ * function to change them (by default, taken from wxSystemSettings)
+ if (hsb)
+ DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
+ if (vsb)
+ DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
+ */
+ DoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
+ }
}
-#endif
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode)
+{
+ // we're in process of updating the text control
+ m_tempCallbackStruct = wxcbs;
+
+ XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs;
+
+ wxKeyEvent event (wxEVT_CHAR);
+ event.SetId(GetId());
+ event.m_keyCode = keycode;
+ event.SetEventObject(this);
+
+ // Only if wxTextCtrl::OnChar is called will this be set to True (and
+ // the character passed through)
+ cbs->doit = False;
+
+ GetEventHandler()->ProcessEvent(event);
+
+ if ( !InSetValue() && m_processedDefault )
+ {
+ // Can generate a command
+ wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+ commandEvent.SetEventObject(this);
+ ProcessCommand(commandEvent);
+ }
+
+ // do it after the (user) event handlers processed the events because
+ // otherwise GetValue() would return incorrect (not yet updated value)
+ m_tempCallbackStruct = NULL;
+}
+
+// ----------------------------------------------------------------------------
+// helpers and Motif callbacks
+// ----------------------------------------------------------------------------
+
+static void MergeChangesIntoString(wxString& value,
+ XmTextVerifyCallbackStruct *cbs)
+{
+ /* _sm_
+ * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of
+ * every event as a replace event. cbs->text->ptr gives the replacement
+ * text, cbs->startPos gives the index of the first char affected by the
+ * replace, and cbs->endPos gives the index one more than the last char
+ * affected by the replace (startPos == endPos implies an empty range).
+ * Hence, a deletion is represented by replacing all input text with a
+ * blank string ("", *not* NULL!). A simple insertion that does not
+ * overwrite any text has startPos == endPos.
+ */
+
+ if ( !value )
+ {
+ // easy case: the ol value was empty
+ value = cbs->text->ptr;
+ }
+ else
+ {
+ // merge the changes into the value
+ const char * const passwd = value;
+ int len = value.length();
+
+ len += strlen(cbs->text->ptr) + 1; // + new text (if any) + NUL
+ len -= cbs->endPos - cbs->startPos; // - text from affected region.
+
+ char * newS = new char [len];
+ char * dest = newS,
+ * insert = cbs->text->ptr;
+
+ // Copy (old) text from passwd, up to the start posn of the change.
+ int i;
+ const char * p = passwd;
+ for (i = 0; i < cbs->startPos; ++i)
+ *dest++ = *p++;
+
+ // Copy the text to be inserted).
+ while (*insert)
+ *dest++ = *insert++;
+
+ // Finally, copy into newS any remaining text from passwd[endPos] on.
+ for (p = passwd + cbs->endPos; *p; )
+ *dest++ = *p++;
+ *dest = 0;
+
+ value = newS;
+
+ delete[] newS;
+ }
+}
+
+static void
+wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
+{
+ if (!wxGetWindowFromTable(w))
+ // Widget has been deleted!
+ return;
+
+ wxTextCtrl *tw = (wxTextCtrl *) clientData;
+ tw->SetModified(TRUE);
+}
+
+static void
+wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs)
+{
+ wxTextCtrl *tw = (wxTextCtrl *) clientData;
+ tw->m_processedDefault = FALSE;
+
+ // First, do some stuff if it's a password control: in this case, we need
+ // to store the string inside the class because GetValue() can't retrieve
+ // it from the text ctrl. We do *not* do it in other circumstances because
+ // it would double the amount of memory needed.
+
+ if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD )
+ {
+ MergeChangesIntoString(tw->m_value, cbs);
+
+ if ( cbs->text->length > 0 )
+ {
+ int i;
+ for (i = 0; i < cbs->text->length; ++i)
+ cbs->text->ptr[i] = '*';
+ cbs->text->ptr[i] = '\0';
+ }
+ }
+
+ // If we're already within an OnChar, return: probably a programmatic
+ // insertion.
+ if (tw->m_tempCallbackStruct)
+ return;
+
+ // Check for a backspace
+ if (cbs->startPos == (cbs->currInsert - 1))
+ {
+ tw->DoSendEvents((void *)cbs, WXK_DELETE);
+
+ return;
+ }
+
+ // Pasting operation: let it through without calling OnChar
+ if (cbs->text->length > 1)
+ return;
+
+ // Something other than text
+ if (cbs->text->ptr == NULL)
+ return;
+
+ // normal key press
+ char ch = cbs->text->ptr[0];
+ tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch);
+}
+
+static void
+wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
+{
+ if (!wxGetWindowFromTable(w))
+ return;
+
+ wxTextCtrl *tw = (wxTextCtrl *) clientData;
+ wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId());
+ event.SetEventObject(tw);
+ tw->GetEventHandler()->ProcessEvent(event);
+}
+
+static void
+wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
{
- WriteText(s);
- return *this;
+ if (!wxGetWindowFromTable(w))
+ return;
+
+ wxTextCtrl *tw = (wxTextCtrl *) clientData;
+ wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId());
+ event.SetEventObject(tw);
+ tw->GetEventHandler()->ProcessEvent(event);
}
-wxTextCtrl& wxTextCtrl::operator<<(float f)
+static void wxTextWindowActivateProc(Widget w, XtPointer clientData,
+ XmAnyCallbackStruct *WXUNUSED(ptr))
{
- wxString str;
- str.Printf("%.2f", f);
- WriteText(str);
- return *this;
+ if (!wxGetWindowFromTable(w))
+ return;
+
+ wxTextCtrl *tw = (wxTextCtrl *) clientData;
+
+ if (tw->InSetValue())
+ return;
+
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER);
+ event.SetId(tw->GetId());
+ event.SetEventObject(tw);
+ tw->ProcessCommand(event);
}
-wxTextCtrl& wxTextCtrl::operator<<(double d)
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
{
- wxString str;
- str.Printf("%.2f", d);
- WriteText(str);
- return *this;
+ Cut();
}
-wxTextCtrl& wxTextCtrl::operator<<(int i)
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- wxString str;
- str.Printf("%d", i);
- WriteText(str);
- return *this;
+ Copy();
}
-wxTextCtrl& wxTextCtrl::operator<<(long i)
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
{
- wxString str;
- str.Printf("%ld", i);
- WriteText(str);
- return *this;
+ Paste();
}
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
{
- char buf[2];
+ Undo();
+}
- buf[0] = c;
- buf[1] = 0;
- WriteText(buf);
- return *this;
+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() );
+}
projects / wxWidgets.git / blobdiff