X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/828f655fd31ac19d83cf7ec14d0b207e9b254977..9d2f3c71d83c52fc4db6c8041de533562816b1d6:/src/gtk/textctrl.cpp

diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index 7c6817aa3e..96070607d3 100644
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -37,24 +37,25 @@ extern bool   g_blockEventsOnDrag;
 static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
 {
-    win->SetModified();
+    if (!win->m_hasVMT) return;
 
-    win->CalculateScrollbar();
+    win->SetModified();
 
     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->m_windowId );
-    event.SetString( copystring(win->GetValue()) );
+    event.SetString( win->GetValue() );
     event.SetEventObject( win );
     win->GetEventHandler()->ProcessEvent( event );
-    delete[] event.GetString();
 }
 
 //-----------------------------------------------------------------------------
-// "size_allocate"
+// "changed" from vertical scrollbar
 //-----------------------------------------------------------------------------
 
 static void
-gtk_text_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* WXUNUSED(alloc), wxTextCtrl *win )
+gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
 {
+    if (!win->m_hasVMT) return;
+    
     win->CalculateScrollbar();
 }
 
@@ -66,6 +67,18 @@ IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
     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()
 
 #ifndef NO_TEXT_WINDOW_STREAM
@@ -113,19 +126,19 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
 
     SetValidator( validator );
 
-    m_vScrollbarVisible = TRUE;
+    m_vScrollbarVisible = FALSE;
 
     bool multi_line = (style & wxTE_MULTILINE) != 0;
     if ( multi_line )
     {
-        // a multi-line edit control: create a vertical scrollbar by default and
-        // horizontal if requested
+        /* a multi-line edit control: create a vertical scrollbar by default and
+           horizontal if requested */
         bool bHasHScrollbar = (style & wxHSCROLL) != 0;
 
-        // create our control...
+        /* create our control ... */
         m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
 
-        // ... and put into the upper left hand corner of the table
+        /* ... and put into the upper left hand corner of the table */
         m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
         GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 	
@@ -134,7 +147,7 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
                       (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
                        0, 0);
 
-        // put the horizontal scrollbar in the lower left hand corner
+        /* put the horizontal scrollbar in the lower left hand corner */
         if (bHasHScrollbar)
         {
             GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj);
@@ -147,22 +160,13 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
             gtk_widget_show(hscrollbar);
         }
 
-        // finally, put the vertical scrollbar in the upper right corner
-        m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
-        GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
-	
-        gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
-                     GTK_FILL,
-                     (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
-                     0, 0);
-        gtk_widget_show( m_vScrollbar );
+        /* we create the vertical scrollbar on demand */
+	m_vScrollbar = (GtkWidget*) NULL;
 
-        gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate",
-          GTK_SIGNAL_FUNC(gtk_text_size_callback), (gpointer)this );
     }
     else
     {
-        // a single-line text control: no need for scrollbars
+        /* a single-line text control: no need for scrollbars */
         m_widget =
           m_text = gtk_entry_new();
     }
@@ -184,7 +188,7 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
         gtk_widget_show(m_text);
     }
 
-    // we want to be notified about text changes
+    /* 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);
 
@@ -217,11 +221,17 @@ bool wxTextCtrl::Create( wxWindow *parent, wxWindowID id, const wxString &value,
         if (multi_line)
             gtk_text_set_editable( GTK_TEXT(m_text), 1 );
     }
+    
+    SetBackgroundColour( parent->GetBackgroundColour() );
+    SetForegroundColour( parent->GetForegroundColour() );
 
     Show( TRUE );
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
+    if (multi_line)
+    {
+        gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
+          (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
+    }
 
     return TRUE;
 }
@@ -236,18 +246,30 @@ void wxTextCtrl::CalculateScrollbar()
     {
         if (m_vScrollbarVisible)
         {
-        gtk_widget_hide( m_vScrollbar );
+            gtk_widget_hide( m_vScrollbar );
 
-        m_vScrollbarVisible = FALSE;
+            m_vScrollbarVisible = FALSE;
         }
     }
     else
     {
         if (!m_vScrollbarVisible)
         {
-        gtk_widget_show( m_vScrollbar );
+	    if (!m_vScrollbar)
+	    {
+                /* finally, put the vertical scrollbar in the upper right corner */
+                m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
+                GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
+	
+                gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
+                     GTK_FILL,
+                     (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
+                     0, 0);
+	    }
+	    
+            gtk_widget_show( m_vScrollbar );
 
-        m_vScrollbarVisible = TRUE;
+            m_vScrollbarVisible = TRUE;
         }
     }
 }
@@ -675,7 +697,7 @@ void wxTextCtrl::Cut()
 {
     wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
 
-#if (GTK_MINOR_VERSION == 1)
+#if (GTK_MINOR_VERSION > 0)
     gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) );
 #else
     gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 );
@@ -686,7 +708,7 @@ void wxTextCtrl::Copy()
 {
     wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
 
-#if (GTK_MINOR_VERSION == 1)
+#if (GTK_MINOR_VERSION > 0)
     gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) );
 #else
     gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 );
@@ -697,13 +719,78 @@ void wxTextCtrl::Paste()
 {
     wxCHECK_RET( m_text != NULL, "invalid text ctrl" );
 
-#if (GTK_MINOR_VERSION == 1)
+#if (GTK_MINOR_VERSION > 0)
     gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) );
 #else
     gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 );
 #endif
 }
 
+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()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Undo not implemented" );
+}
+
+void wxTextCtrl::Redo()
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::Redo not implemented" );
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanUndo not implemented" );
+    return FALSE;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::CanRedo not implemented" );
+    return FALSE;
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+    // TODO
+    *from = 0;
+    *to = 0;
+    wxFAIL_MSG( "wxTextCtrl::GetSelection not implemented" );
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    // TODO
+    wxFAIL_MSG( "wxTextCtrl::IsEditable not implemented" );
+    return FALSE;
+}
+
 void wxTextCtrl::Clear()
 {
     SetValue( "" );
@@ -867,3 +954,52 @@ void wxTextCtrl::ApplyWidgetStyle()
     }
 }
 
+void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
+{
+    Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
+{
+    Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+    Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
+{
+    Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
+{
+    Redo();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+    event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanRedo() );
+}