X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..bd0df01f3f59940fdbca7a3472c256be2d034ab9:/src/gtk/textctrl.cpp

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 890393380a..afd11f78a7 100644
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -5,7 +5,7 @@
 // Created:     01/02/97
 // Id:
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:   	wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -21,6 +21,11 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
 
+void gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
+{
+  win->SetModified();
+};
+
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 //  EVT_CHAR(wxTextCtrl::OnChar)
@@ -28,43 +33,105 @@ END_EVENT_TABLE()
 
 wxTextCtrl::wxTextCtrl(void) : streambuf()
 {
+    if( allocate() )
+  setp(base(),ebuf());
+
+  m_modified = FALSE;
 };
 
-wxTextCtrl::wxTextCtrl( wxWindow *parent, const wxWindowID id, const wxString &value, 
-      const wxPoint &pos, const wxSize &size, 
-      const int style, const wxString &name ) : streambuf()
+wxTextCtrl::wxTextCtrl( wxWindow *parent, wxWindowID id, const wxString &value,
+      const wxPoint &pos, const wxSize &size,
+      int style, const wxString &name ) : streambuf()
 {
+  if( allocate() )
+    setp(base(),ebuf());
+
+  m_modified = FALSE;
   Create( parent, id, value, pos, size, style, name );
 };
 
-bool wxTextCtrl::Create( wxWindow *parent, const wxWindowID id, const wxString &value,
-      const wxPoint &pos, const wxSize &size, 
-      const int style, const wxString &name )
+bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
+      const wxPoint &pos, const wxSize &size,
+      int style, const wxString &name )
 {
   m_needParent = TRUE;
-  
+
   PreCreation( parent, id, pos, size, style, name );
-  
-  if (style & wxTE_MULTILINE)
-    m_widget = gtk_text_new( NULL, NULL );
-  else
-    m_widget = gtk_entry_new();
-    
-  if (!value.IsNull())
-  {
-    gint tmp = 0;
-    gtk_editable_insert_text( GTK_EDITABLE(m_widget), value, value.Length(), &tmp );
-  };
-  
+
+  bool bMultiLine = (style & wxTE_MULTILINE) != 0;
+  if ( bMultiLine ) {
+    // a multi-line edit control: create a vertical scrollbar by default and
+    // horizontal if requested
+    bool bHasHScrollbar = (style & wxHSCROLL) != 0;
+
+    // create our control...
+    m_text = gtk_text_new( NULL, NULL );
+
+    // ... and put into the upper left hand corner of the table
+    m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
+    gtk_table_attach(GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
+                     GTK_FILL | GTK_EXPAND,
+                     GTK_FILL | GTK_EXPAND | GTK_SHRINK,
+                     0, 0);
+
+    // put the horizontal scrollbar in the lower left hand corner
+    if ( bHasHScrollbar ) {
+      GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
+      gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2,
+                       GTK_EXPAND | GTK_FILL,
+                       GTK_FILL,
+                       0, 0);
+      gtk_widget_show(hscrollbar);
+    }
+
+    // finally, put the vertical scrollbar in the upper right corner
+    GtkWidget *vscrollbar = gtk_vscrollbar_new(GTK_TEXT(m_text)->vadj);
+    gtk_table_attach(GTK_TABLE(m_widget), vscrollbar, 1, 2, 0, 1,
+                     GTK_FILL,
+                     GTK_EXPAND | GTK_FILL | GTK_SHRINK,
+                     0, 0);
+    gtk_widget_show(vscrollbar);
+  }
+  else {
+    // a single-line text control: no need for scrollbars
+    m_widget =
+    m_text = gtk_entry_new();
+  }
+
   wxSize newSize = size;
   if (newSize.x == -1) newSize.x = 80;
   if (newSize.y == -1) newSize.y = 26;
   SetSize( newSize.x, newSize.y );
-  
+
   PostCreation();
-  
+
+  if ( bMultiLine ) {
+    gtk_widget_realize(m_text);
+    gtk_widget_show(m_text);
+  }
+
+  // we want to be notified about text changes
+  gtk_signal_connect(GTK_OBJECT(m_text), "changed",
+                     GTK_SIGNAL_FUNC(gtk_text_changed_callback),
+                     (gpointer)this);
+
+  if (!value.IsNull())
+  {
+    gint tmp = 0;
+    gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
+  };
+
+  if (style & wxREADONLY)
+  {
+  }
+  else
+  {
+    if ( bMultiLine )
+      gtk_text_set_editable( GTK_TEXT(m_text), 1 );
+  };
+
   Show( TRUE );
-    
+
   return TRUE;
 };
 
@@ -73,12 +140,12 @@ wxString wxTextCtrl::GetValue(void) const
   wxString tmp;
   if (m_windowStyle & wxTE_MULTILINE)
   {
-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    tmp = gtk_editable_get_chars( GTK_EDITABLE(m_widget), 0, len-1 );
+    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+    tmp = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
   }
   else
   {
-    tmp = gtk_entry_get_text( GTK_ENTRY(m_widget) );
+    tmp = gtk_entry_get_text( GTK_ENTRY(m_text) );
   };
   return tmp;
 };
@@ -89,61 +156,61 @@ void wxTextCtrl::SetValue( const wxString &value )
   if (!value.IsNull()) tmp = value;
   if (m_windowStyle & wxTE_MULTILINE)
   {
-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    gtk_editable_delete_text( GTK_EDITABLE(m_widget), 0, len-1 );
+    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+    gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
     len = 0;
-    gtk_editable_insert_text( GTK_EDITABLE(m_widget), tmp, tmp.Length(), &len );
+    gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp, tmp.Length(), &len );
   }
   else
   {
-    gtk_entry_set_text( GTK_ENTRY(m_widget), tmp );
+    gtk_entry_set_text( GTK_ENTRY(m_text), tmp );
   };
 };
 
 void wxTextCtrl::WriteText( const wxString &text )
 {
   if (text.IsNull()) return;
+
   if (m_windowStyle & wxTE_MULTILINE)
   {
-    gint len = gtk_text_get_length( GTK_TEXT(m_widget) );
-    gtk_editable_insert_text( GTK_EDITABLE(m_widget), text, text.Length(), &len );
+    gint len = gtk_text_get_length( GTK_TEXT(m_text) );
+    gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len );
   }
   else
   {
-    gtk_entry_append_text( GTK_ENTRY(m_widget), text );
+    gtk_entry_append_text( GTK_ENTRY(m_text), text );
   };
 };
 
-/*
-wxString wxTextCtrl::GetLineText( const long lineNo ) const
+bool wxTextCtrl::LoadFile( const wxString &WXUNUSED(file) )
 {
-};
+  wxFAIL_MSG("wxTextCtrl::LoadFile not implemented");
 
-bool wxTextCtrl::LoadFile( const wxString &file )
-{
+  return FALSE;
 };
 
-bool wxTextCtrl::SaveFile( const wxString &file )
+bool wxTextCtrl::SaveFile( const wxString &WXUNUSED(file) )
 {
-};
+  wxFAIL_MSG("wxTextCtrl::SaveFile not implemented");
 
-void wxTextCtrl::DiscardEdits(void)
-{
+  return FALSE;
 };
 
-bool wxTextCtrl::IsModified(void)
+/*
+wxString wxTextCtrl::GetLineText( long lineNo ) const
 {
 };
 
+
 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &event )
 {
 };
 
-long wxTextCtrl::PositionToXY( const long pos, long *x, long *y ) const
+long wxTextCtrl::PositionToXY( long pos, long *x, long *y ) const
 {
 };
 
-long wxTextCtrl::XYToPosition( const long x, const long y )
+long wxTextCtrl::XYToPosition( long x, long y )
 {
 };
 
@@ -152,83 +219,84 @@ int wxTextCtrl::GetNumberOfLines(void)
 };
 
 */
-void wxTextCtrl::SetInsertionPoint( const long pos )
+void wxTextCtrl::SetInsertionPoint( long pos )
 {
   int tmp = (int) pos;
   if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_point( GTK_TEXT(m_widget), tmp );
+    gtk_text_set_point( GTK_TEXT(m_text), tmp );
   else
-    gtk_entry_set_position( GTK_ENTRY(m_widget), tmp );
+    gtk_entry_set_position( GTK_ENTRY(m_text), tmp );
 };
 
 void wxTextCtrl::SetInsertionPointEnd(void)
 {
   int pos = 0;
   if (m_windowStyle & wxTE_MULTILINE)
-    pos = gtk_text_get_length( GTK_TEXT(m_widget) );
+    pos = gtk_text_get_length( GTK_TEXT(m_text) );
   else
-    pos = GTK_ENTRY(m_widget)->text_length;
+    pos = GTK_ENTRY(m_text)->text_length;
   SetInsertionPoint( pos-1 );
 };
 
-void wxTextCtrl::SetEditable( const bool editable )
+void wxTextCtrl::SetEditable( bool editable )
 {
   if (m_windowStyle & wxTE_MULTILINE)
-    gtk_text_set_editable( GTK_TEXT(m_widget), editable );
+    gtk_text_set_editable( GTK_TEXT(m_text), editable );
   else
-    gtk_entry_set_editable( GTK_ENTRY(m_widget), editable );
+    gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
 };
 
-void wxTextCtrl::SetSelection( const long from, const long to )
+void wxTextCtrl::SetSelection( long from, long to )
 {
-  gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
+  gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 };
 
-void wxTextCtrl::ShowPosition( const long WXUNUSED(pos) )
+void wxTextCtrl::ShowPosition( long WXUNUSED(pos) )
 {
+  wxFAIL_MSG("wxTextCtrl::ShowPosition not implemented");
 };
 
 long wxTextCtrl::GetInsertionPoint(void) const
 {
-  return (long) GTK_EDITABLE(m_widget)->current_pos;
+  return (long) GTK_EDITABLE(m_text)->current_pos;
 };
 
 long wxTextCtrl::GetLastPosition(void) const
 {
   int pos = 0;
   if (m_windowStyle & wxTE_MULTILINE)
-    pos = gtk_text_get_length( GTK_TEXT(m_widget) );
+    pos = gtk_text_get_length( GTK_TEXT(m_text) );
   else
-    pos = GTK_ENTRY(m_widget)->text_length;
+    pos = GTK_ENTRY(m_text)->text_length;
   return (long)pos-1;
 };
 
-void wxTextCtrl::Remove( const long from, const long to )
+void wxTextCtrl::Remove( long from, long to )
 {
-  gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
+  gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
 };
 
-void wxTextCtrl::Replace( const long from, const long to, const wxString &value )
+void wxTextCtrl::Replace( long from, long to, const wxString &value )
 {
-  gtk_editable_delete_text( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
+  gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
   if (value.IsNull()) return;
   gint pos = (gint)to;
-  gtk_editable_insert_text( GTK_EDITABLE(m_widget), value, value.Length(), &pos );
+  gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
 };
 
 void wxTextCtrl::Cut(void)
 {
-  gtk_editable_cut_clipboard( GTK_EDITABLE(m_widget), 0 );
+  gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
 };
 
 void wxTextCtrl::Copy(void)
 {
-  gtk_editable_copy_clipboard( GTK_EDITABLE(m_widget), 0 );
+  gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
 };
 
 void wxTextCtrl::Paste(void)
 {
-  gtk_editable_paste_clipboard( GTK_EDITABLE(m_widget), 0 );
+  gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
 };
 
 void wxTextCtrl::Delete(void)
@@ -240,67 +308,8 @@ void wxTextCtrl::OnChar( wxKeyEvent &WXUNUSED(event) )
 {
 };
 
-int wxTextCtrl::overflow(int c)
+int wxTextCtrl::overflow( int WXUNUSED(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
-
-/* OLD CODE
   int len = pptr() - pbase();
   char *txt = new char[len+1];
   strncpy(txt, pbase(), len);
@@ -309,22 +318,10 @@ int wxTextCtrl::overflow(int c)
   setp(pbase(), epptr());
   delete[] txt;
   return EOF;
-*/
 };
 
 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);
@@ -333,7 +330,6 @@ int wxTextCtrl::sync(void)
   setp(pbase(), epptr());
   delete[] txt;
   return 0;
-*/
 };
 
 int wxTextCtrl::underflow(void)
@@ -347,7 +343,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
   return *this;
 }
 
-wxTextCtrl& wxTextCtrl::operator<<(const float f)
+wxTextCtrl& wxTextCtrl::operator<<(float f)
 {
   static char buf[100];
   sprintf(buf, "%.2f", f);
@@ -355,7 +351,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const float f)
   return *this;
 }
 
-wxTextCtrl& wxTextCtrl::operator<<(const double d)
+wxTextCtrl& wxTextCtrl::operator<<(double d)
 {
   static char buf[100];
   sprintf(buf, "%.2f", d);
@@ -363,7 +359,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const double d)
   return *this;
 }
 
-wxTextCtrl& wxTextCtrl::operator<<(const int i)
+wxTextCtrl& wxTextCtrl::operator<<(int i)
 {
   static char buf[100];
   sprintf(buf, "%i", i);
@@ -371,7 +367,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const int i)
   return *this;
 }
 
-wxTextCtrl& wxTextCtrl::operator<<(const long i)
+wxTextCtrl& wxTextCtrl::operator<<(long i)
 {
   static char buf[100];
   sprintf(buf, "%ld", i);
@@ -389,3 +385,11 @@ wxTextCtrl& wxTextCtrl::operator<<(const char c)
   return *this;
 }
 
+GtkWidget* wxTextCtrl::GetDropTargetWidget(void)
+{
+  return GTK_WIDGET(m_text);
+};
+
+
+
+