Added chapter on collection and container classes to contents

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

diff --git a/src/gtk/radiobut.cpp b/src/gtk/radiobut.cpp
index a3446422f766ad7d494f518145bb798defbac956..00f9c9821b4743cdb51eed0ed6cf8043942203f6 100644 (file)
--- a/src/gtk/radiobut.cpp
+++ b/src/gtk/radiobut.cpp
@@ -13,8 +13,11 @@
 #endif
 
 #include "wx/radiobut.h"
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+
+#if wxUSE_RADIOBOX
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -27,7 +30,8 @@ extern bool g_isIdle;
 // data
 //-----------------------------------------------------------------------------
 
-extern bool g_blockEventsOnDrag;
+extern bool       g_blockEventsOnDrag;
+extern wxCursor   g_globalCursor;
 
 //-----------------------------------------------------------------------------
 // "clicked"
@@ -40,12 +44,6 @@ void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButto
 
     if (!rb->m_hasVMT) return;
   
-    if (rb->m_blockFirstEvent)
-    {
-        rb->m_blockFirstEvent = FALSE;
-        return;
-    } 
-  
     if (g_blockEventsOnDrag) return;
   
     wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
@@ -66,28 +64,51 @@ bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& lab
 {
     m_acceptsFocus = TRUE;
     m_needParent = TRUE;
+    m_isRadioButton = TRUE;
 
-    wxSize newSize = size;
-
-    PreCreation( parent, id, pos, newSize, style, name );
-  
-    SetValidator( validator );
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxRadioButton creation failed") );
+       return FALSE;
+    }
 
-    m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label.mbc_str() );
+    if (HasFlag(wxRB_GROUP))
+    {
+        /* start a new group */
+        m_radioButtonGroup = (GSList*) NULL;
+    }
+    else
+    {
+        /* search backward for last group start */
+        wxRadioButton *chief = (wxRadioButton*) NULL;
+        wxWindowList::Node *node = parent->GetChildren().GetLast();
+        while (node)
+           {
+               wxWindow *child = node->GetData();
+               if (child->m_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, label.mbc_str() );
       
-    m_theOtherRadioButtton = 
-       gtk_radio_button_new_with_label(
-         gtk_radio_button_group( GTK_RADIO_BUTTON(m_widget) ),
-         "button2" );
-  
     SetLabel(label);
 
-    m_blockFirstEvent = FALSE;
-    
-    if (newSize.x == -1) newSize.x = 22+gdk_string_measure( m_widget->style->font, label.mbc_str() );
-    if (newSize.y == -1) newSize.y = 26;
-    SetSize( newSize.x, newSize.y );
-
     gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
       GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
        
@@ -95,9 +116,19 @@ bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& lab
   
     PostCreation();
 
+    SetFont( parent->GetFont() );
+
+    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 );
+        
     SetBackgroundColour( parent->GetBackgroundColour() );
     SetForegroundColour( parent->GetForegroundColour() );
-    SetFont( parent->GetFont() );
   
     Show( TRUE );
 
@@ -106,7 +137,7 @@ bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& lab
 
 void wxRadioButton::SetLabel( const wxString& label )
 {
-    wxCHECK_RET( m_widget != NULL, _T("invalid radiobutton") );
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
   
     wxControl::SetLabel( label );
     GtkButton *bin = GTK_BUTTON( m_widget );
@@ -116,22 +147,32 @@ void wxRadioButton::SetLabel( const wxString& label )
 
 void wxRadioButton::SetValue( bool val )
 {
-    wxCHECK_RET( m_widget != NULL, _T("invalid radiobutton") );
-  
-    if ( val == GetValue() )
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+    if (val == GetValue())
         return;
 
-    m_blockFirstEvent = TRUE;
-  
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
+      GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
+
     if (val)
+    {
         gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widget), TRUE );
+    }
     else
-        gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_theOtherRadioButtton), TRUE );
+    {
+        // should give an assert
+        // RL - No it shouldn't.  A wxGenericValidator might try to set it
+        //      as FALSE.  Failing silently is probably TRTTD here.
+    }
+
+    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
+      GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 }
 
-bool wxRadioButton::GetValue(void) const
+bool wxRadioButton::GetValue() const
 {
-    wxCHECK_MSG( m_widget != NULL, FALSE, _T("invalid radiobutton") );
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobutton") );
   
     return GTK_TOGGLE_BUTTON(m_widget)->active;
 }
@@ -152,3 +193,33 @@ void wxRadioButton::ApplyWidgetStyle()
     gtk_widget_set_style( m_widget, m_widgetStyle );
     gtk_widget_set_style( GTK_BUTTON(m_widget)->child, m_widgetStyle );
 }
+
+bool wxRadioButton::IsOwnGtkWindow( GdkWindow *window )
+{
+    return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window);
+}
+
+void wxRadioButton::OnInternalIdle()
+{
+    wxCursor cursor = m_cursor;
+    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+    if (GTK_TOGGLE_BUTTON(m_widget)->event_window && 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( GTK_TOGGLE_BUTTON(m_widget)->event_window, cursor.GetCursor() );
+    }
+
+    UpdateWindowUI();
+}
+
+wxSize wxRadioButton::DoGetBestSize() const
+{
+    return wxControl::DoGetBestSize();
+}
+
+#endif