A little clarification

[wxWidgets.git] / src / gtk / radiobut.cpp

diff --git a/src/gtk/radiobut.cpp b/src/gtk/radiobut.cpp
index 42fddad8e6d719c7d20cb1c765ad3820d59ec2f9..c8c6c53ecae61a8df1e1a9a9f45848d3ebecef3b 100644 (file)
--- a/src/gtk/radiobut.cpp
+++ b/src/gtk/radiobut.cpp
@@ -2,24 +2,62 @@
 // Name:        radiobut.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Name:        radiobut.cpp
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "radiobut.h"
 #endif
 
 #pragma implementation "radiobut.h"
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_RADIOBOX
+

 #include "wx/radiobut.h"
 
 #include "wx/radiobut.h"
 

+#include "wx/gtk/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+

 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 

-extern bool g_blockEventsOnDrag;
+extern bool           g_blockEventsOnDrag;
+extern wxCursor       g_globalCursor;
+extern wxWindowGTK   *g_delayedFocus;
+
+//-----------------------------------------------------------------------------
+// "clicked"
+//-----------------------------------------------------------------------------
+
+static 
+void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioButton *rb )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!rb->m_hasVMT) return;
+  
+    if (g_blockEventsOnDrag) return;
+  
+    if (!button->active) return;
+    
+    if (rb->m_blockEvent) return;
+  
+    wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
+    event.SetInt( rb->GetValue() );
+    event.SetEventObject( rb );
+    rb->GetEventHandler()->ProcessEvent( event );
+}

 
 //-----------------------------------------------------------------------------
 // wxRadioButton
 
 //-----------------------------------------------------------------------------
 // wxRadioButton


@@ -27,89 +65,184 @@ extern bool g_blockEventsOnDrag;
 
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
   
 
 IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
   

-static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
+bool wxRadioButton::Create( wxWindow *parent,
+                            wxWindowID id,
+                            const wxString& label,
+                            const wxPoint& pos,
+                            const wxSize& size,
+                            long style,
+                            const wxValidator& validator,
+                            const wxString& name )
+{
+    m_acceptsFocus = TRUE;
+    m_needParent = TRUE;
+    
+    m_blockEvent = FALSE;
+
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxRadioButton creation failed") );
+        return FALSE;
+    }
+
+    if (HasFlag(wxRB_GROUP))
+    {
+        // start a new group
+        m_radioButtonGroup = (GSList*) NULL;
+    }
+    else
+    {
+        // search backward for last group start
+        wxRadioButton *chief = (wxRadioButton*) NULL;
+        wxWindowList::compatibility_iterator node = parent->GetChildren().GetLast();
+        while (node)
+        {
+            wxWindow *child = node->GetData();
+            if (child->IsRadioButton())
+            {
+                chief = (wxRadioButton*) child;
+                if (child->HasFlag(wxRB_GROUP))
+                    break;
+            }
+            node = node->GetPrevious();
+        }
+        if (chief)
+        {
+            // we are part of the group started by chief
+            m_radioButtonGroup = gtk_radio_button_group( GTK_RADIO_BUTTON(chief->m_widget) );
+        }
+        else
+        {
+            // start a new group
+            m_radioButtonGroup = (GSList*) NULL;
+        }
+    }
+
+    m_widget = gtk_radio_button_new_with_label( m_radioButtonGroup, wxGTK_CONV( label ) );
+      
+    SetLabel(label);
+
+    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
+      GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
+       
+    m_parent->DoAddChild( this );
+  
+    PostCreation();
+    InheritAttributes();
+
+    wxSize size_best( DoGetBestSize() );
+    wxSize new_size( size );
+    if (new_size.x == -1)
+        new_size.x = size_best.x;
+    if (new_size.y == -1)
+        new_size.y = size_best.y;
+    if ((new_size.x != size.x) || (new_size.y != size.y))
+        SetSize( new_size.x, new_size.y );
+        
+    Show( TRUE );
+
+    return TRUE;
+}
+
+void wxRadioButton::SetLabel( const wxString& label )

 {
 {

-  if (!rb->HasVMT()) return;
-  if (g_blockEventsOnDrag) return;
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );

   
   

-  wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
-  event.SetInt( rb->GetValue() );
-  event.SetEventObject( rb );
-  rb->GetEventHandler()->ProcessEvent( event );
+    wxControl::SetLabel( label );
+    GtkLabel *g_label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+#ifdef __WXGTK20__
+    wxString label2 = PrepareLabelMnemonics( label );
+    gtk_label_set_text_with_mnemonic( g_label, wxGTK_CONV( label2 ) );
+#else
+    gtk_label_set( g_label, wxGTK_CONV( GetLabel() ) );
+#endif

 }
 
 }
 

-bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
-  const wxPoint& pos,  const wxSize& size, long style,
-  const wxValidator& validator, const wxString& name )
+void wxRadioButton::SetValue( bool val )

 {
 {

-  m_needParent = TRUE;
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );

 
 

-  wxSize newSize = size;
+    if (val == GetValue())
+        return;

 
 

-  PreCreation( parent, id, pos, newSize, style, name );
-  
-  SetValidator( validator );
+    m_blockEvent = TRUE;

 
 

-  m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
-      
-  SetLabel(label);
+    if (val)
+    {
+        gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widget), TRUE );
+    }
+    else
+    {
+        // should give an assert
+        // RL - No it shouldn't.  A wxGenericValidator might try to set it
+        //      as FALSE.  Failing silently is probably TRTTD here.
+    }

 
 

-  if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label );
-  if (newSize.y == -1) newSize.y = 26;
-  SetSize( newSize.x, newSize.y );
+    m_blockEvent = FALSE;
+}

 
 

-  gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
-    GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
-       
-  PostCreation();
+bool wxRadioButton::GetValue() const
+{
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobutton") );
+  
+    return GTK_TOGGLE_BUTTON(m_widget)->active;
+}

 
 

-  Show( TRUE );
+bool wxRadioButton::Enable( bool enable )
+{
+    if ( !wxControl::Enable( enable ) )
+        return FALSE;
+  
+    gtk_widget_set_sensitive( BUTTON_CHILD(m_widget), enable );

 
 

-  return TRUE;
+    return TRUE;

 }
 
 }
 

-void wxRadioButton::SetLabel( const wxString& label )
+void wxRadioButton::ApplyWidgetStyle()

 {
 {

-  wxControl::SetLabel( label );
-  GtkButton *bin = GTK_BUTTON( m_widget );
-  GtkLabel *g_label = GTK_LABEL( bin->child );
-  gtk_label_set( g_label, GetLabel() );
+    SetWidgetStyle();
+    gtk_widget_set_style( m_widget, m_widgetStyle );
+    gtk_widget_set_style( BUTTON_CHILD(m_widget), m_widgetStyle );

 }
 
 }
 

-void wxRadioButton::SetValue( bool val )
+bool wxRadioButton::IsOwnGtkWindow( GdkWindow *window )

 {
 {

-  gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), val );
+    return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);

 }
 
 }
 

-bool wxRadioButton::GetValue(void) const
+void wxRadioButton::OnInternalIdle()

 {
 {

-  return GTK_TOGGLE_BUTTON(m_widget)->active;
+    wxCursor cursor = m_cursor;
+    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+    GdkWindow *win = TOGGLE_BUTTON_EVENT_WIN(m_widget);
+    if ( win && cursor.Ok())
+    {
+        /* I now set the cursor the anew in every OnInternalIdle call
+       as setting the cursor in a parent window also effects the
+       windows above so that checking for the current cursor is
+       not possible. */
+       
+       gdk_window_set_cursor( win, cursor.GetCursor() );
+    }
+
+    if (g_delayedFocus == this)
+    {
+        if (GTK_WIDGET_REALIZED(m_widget))
+        {
+            gtk_widget_grab_focus( m_widget );
+            g_delayedFocus = NULL;
+        }
+    }
+
+    if (wxUpdateUIEvent::CanUpdate(this))
+        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);

 }
 
 }
 

-void wxRadioButton::SetFont( const wxFont &font )
+wxSize wxRadioButton::DoGetBestSize() const

 {
 {

-  if (((wxFont*)&font)->Ok())
-    m_font = font;
-  else
-    m_font = *wxSWISS_FONT;
-  
-  GtkButton *bin = GTK_BUTTON( m_widget );
-  GtkWidget *label = bin->child;
-  
-  GtkStyle *style = (GtkStyle*) NULL;
-  if (!m_hasOwnStyle)
-  {
-    m_hasOwnStyle = TRUE;
-    style = gtk_style_copy( gtk_widget_get_style( label ) );
-  }
-  else
-  {
-    style = gtk_widget_get_style( label );
-  }
-  
-  gdk_font_unref( style->font );
-  style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
-  
-  gtk_widget_set_style( label, style );
+    return wxControl::DoGetBestSize();

 }
 
 }
 

+#endif