// 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>
-#endif
-#endif
-
#include <Xm/Text.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <ctype.h>
#include "wx/motif/private.h"
-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);
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// 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);
#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+ IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
-EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
-EVT_CHAR(wxTextCtrl::OnChar)
-END_EVENT_TABLE()
+ BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+ EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+ EVT_CHAR(wxTextCtrl::OnChar)
+ END_EVENT_TABLE()
#endif
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxTextCtrl
+// ----------------------------------------------------------------------------
+
// Text item
wxTextCtrl::wxTextCtrl()
#ifndef NO_TEXT_WINDOW_STREAM
-:streambuf()
+ : streambuf()
#endif
{
- m_fileName = "";
m_tempCallbackStruct = (void*) NULL;
m_modified = FALSE;
m_processedDefault = FALSE;
}
-bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
+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_tempCallbackStruct = (void*) NULL;
m_modified = FALSE;
m_processedDefault = FALSE;
- m_fileName = "";
// 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();
else
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*) (const char*) name, args, 2);
-
+
+ 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);
+ XmNeditable, ((style & wxTE_READONLY) ? False : True),
+ XmNeditMode, XmMULTI_LINE_EDIT,
+ NULL);
XtManageChild ((Widget) m_mainWidget);
}
else
{
- m_mainWidget = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) name,
- xmTextWidgetClass, parentWidget,
- NULL);
-
+ m_mainWidget = (WXWidget)XtVaCreateManagedWidget
+ (
+ (char*)name.c_str(),
+ xmTextWidgetClass,
+ parentWidget,
+ 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);
+ XtVaSetValues((Widget) m_mainWidget,
+ XmNcolumns, noCols,
+ NULL);
}
-
- if (!value.IsNull())
- XmTextSetString ((Widget) m_mainWidget, (char*) (const char*) value);
-
+
+ // remove border if asked for
+ if ( style & wxNO_BORDER )
+ {
+ XtVaSetValues((Widget)m_mainWidget,
+ XmNshadowThickness, 0,
+ NULL);
+ }
+
+ if ( !!value )
+ XmTextSetString ((Widget) m_mainWidget, (char*)value.c_str());
+
+ // 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_windowFont = parent->GetFont();
ChangeFont(FALSE);
-
+
SetCanAddEventHandler(TRUE);
AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
-
+
ChangeBackgroundColour();
-
+
return TRUE;
}
void wxTextCtrl::SetValue(const wxString& value)
{
- // This assert is wrong -- means that you can't set an empty
- // string (IsNull == IsEmpty).
- // wxASSERT_MSG( (!value.IsNull()), "Must not pass a null string to wxTextCtrl::SetValue." ) ;
m_inSetValue = TRUE;
-
- XmTextSetString ((Widget) m_mainWidget, (char*) (const char*) value);
-
+
+ XmTextSetString ((Widget) m_mainWidget, (char*)value.c_str());
+
m_inSetValue = FALSE;
}
void wxTextCtrl::Remove(long from, long to)
{
XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
- (Time) 0);
+ (Time) 0);
XmTextRemove ((Widget) m_mainWidget);
}
void wxTextCtrl::SetSelection(long from, long to)
{
XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
- (Time) 0);
+ (Time) 0);
}
bool wxTextCtrl::LoadFile(const wxString& file)
{
if (!wxFileExists(file))
return FALSE;
-
+
m_fileName = file;
-
+
Clear();
-
+
Widget textWidget = (Widget) m_mainWidget;
FILE *fp;
-
+
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")))
{
}
fclose (fp);
-
+
text[len] = 0;
XmTextSetString (textWidget, text);
// m_textPosition = len;
if (theFile == "")
return FALSE;
m_fileName = theFile;
-
+
Widget textWidget = (Widget) m_mainWidget;
FILE *fp;
-
+
if (!(fp = fopen ((char*) (const char*) theFile, "w")))
{
return FALSE;
{
char *text = XmTextGetString (textWidget);
long len = XmTextGetLastPosition (textWidget);
-
+
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;
else
i++;
}
-
+
XtFree (s);
return currentLine;
}
/* Now a little workaround: */
long r=0;
for (int i=0; i<y; i++) r+=(GetLineLength(i)+1);
- return r+x;
+ return r+x;
}
void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
// HIDEOUSLY inefficient, but we have no choice.
char *s = XmTextGetString ((Widget) m_mainWidget);
-
+
if (s)
{
wxString buf("");
int j;
for (j = 0; s[i] && s[i] != '\n'; i++, j++ )
buf += s[i];
-
+
XtFree(s);
return buf;
}
// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
//=========================================================================
-// Called then the buffer is full (gcc 2.6.3)
+// 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
wxError("Streambuf allocation failed","Internal error");
return EOF;
}
-
+
// Verify that there are no characters in get area
if ( gptr() && gptr() < egptr() )
{
wxError("wxTextCtrl::overflow: 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() )
{
// 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];
WriteText(txt);
delete[] txt;
}
-
+
// Reset put area
setp(pbase(), epptr());
-
+
#if defined(__WATCOMC__)
return __NOT_EOF;
#elif defined(zapeof) // HP-UX (all cfront based?)
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();
wxTextCtrl& wxTextCtrl::operator<<(const char c)
{
char buf[2];
-
+
buf[0] = c;
buf[1] = 0;
AppendText(buf);
// we're letting default behaviour happen (otherwise it's vetoed
// by virtue of overriding OnChar)
m_processedDefault = TRUE;
-
+
if (m_tempCallbackStruct)
{
XmTextVerifyCallbackStruct *textStruct =
void wxTextCtrl::ChangeBackgroundColour()
{
wxWindow::ChangeBackgroundColour();
-
+
/* TODO: should scrollbars be affected? Should probably have separate
* function to change them (by default, taken from wxSystemSettings)
*/
{
Widget parent = XtParent ((Widget) m_mainWidget);
Widget hsb, vsb;
-
+
XtVaGetValues (parent,
XmNhorizontalScrollBar, &hsb,
XmNverticalScrollBar, &vsb,
DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
if (vsb)
DoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
-
+
DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
}
}
void wxTextCtrl::ChangeForegroundColour()
{
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)
if (!wxGetWindowFromTable(w))
// Widget has been deleted!
return;
-
+
wxTextCtrl *tw = (wxTextCtrl *) clientData;
tw->SetModified(TRUE);
}
-static void
+static void
wxTextWindowModifyProc (Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs)
{
wxTextCtrl *tw = (wxTextCtrl *) clientData;
tw->m_processedDefault = FALSE;
-
+
// First, do some stuff if it's a password control.
// (What does this do exactly?)
-
+
if (tw->GetWindowStyleFlag() & wxTE_PASSWORD)
{
- /* _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.
+ /* _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 (tw->m_value.IsNull())
{
tw->m_value = cbs->text->ptr;
else
{
char * passwd = (char*) (const char*) tw->m_value; // Set up a more convenient alias.
-
+
int len = passwd ? strlen(passwd) : 0; // Enough room for old text
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 * p = passwd, * dest = newS, * insert = cbs->text->ptr;
-
+
// Copy (old) text from passwd, up to the start posn of the change.
int i;
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;
-
+
tw->m_value = newS;
-
+
delete[] newS;
}
-
+
if (cbs->text->length>0)
{
int 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->m_tempCallbackStruct = (void*) cbs;
-
+
wxKeyEvent event (wxEVT_CHAR);
event.SetId(tw->GetId());
event.m_keyCode = WXK_DELETE;
event.SetEventObject(tw);
-
+
// Only if wxTextCtrl::OnChar is called
// will this be set to True (and the character
// passed through)
cbs->doit = False;
-
+
tw->GetEventHandler()->ProcessEvent(event);
-
+
tw->m_tempCallbackStruct = NULL;
-
+
if (tw->InSetValue())
return;
-
+
if (tw->m_processedDefault)
{
// Can generate a command
commandEvent.SetEventObject(tw);
tw->ProcessCommand(commandEvent);
}
-
+
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;
-
+
tw->m_tempCallbackStruct = (void*) cbs;
-
+
wxKeyEvent event (wxEVT_CHAR);
event.SetId(tw->GetId());
event.SetEventObject(tw);
event.m_keyCode = (cbs->text->ptr[0] == 10 ? 13 : cbs->text->ptr[0]);
-
+
// Only if wxTextCtrl::OnChar is called
// will this be set to True (and the character
// passed through)
cbs->doit = False;
-
+
tw->GetEventHandler()->ProcessEvent(event);
-
+
tw->m_tempCallbackStruct = NULL;
-
+
if (tw->InSetValue())
return;
-
+
if (tw->m_processedDefault)
{
// Can generate a command
}
}
-static void
+// ----------------------------------------------------------------------------
+// callbacks
+// ----------------------------------------------------------------------------
+
+static void
wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *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
+static void
wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs)
{
if (!wxGetWindowFromTable(w))
return;
-
+
wxTextCtrl *tw = (wxTextCtrl *) clientData;
wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId());
event.SetEventObject(tw);
{
if (!wxGetWindowFromTable(w))
return;
-
+
wxTextCtrl *tw = (wxTextCtrl *) clientData;
- /*
- case XmCR_ACTIVATE:
- type_event = wxEVENT_TYPE_TEXT_ENTER_COMMAND ;
- break;
- default:
- type_event = wxEVENT_TYPE_TEXT_COMMAND ;
- break;
- }
- */
-
+
if (tw->InSetValue())
return;
-
+
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER);
event.SetId(tw->GetId());
event.SetEventObject(tw);
projects / wxWidgets.git / commitdiff
