added wxUSE_IMAGE; added write-only wxXPMHandler

[wxWidgets.git] / src / gtk1 / radiobut.cpp

diff --git a/src/gtk1/radiobut.cpp b/src/gtk1/radiobut.cpp
index 321210ec3da6d40f00c5734d65965ec5cb31ebac..00f9c9821b4743cdb51eed0ed6cf8043942203f6 100644 (file)
--- a/src/gtk1/radiobut.cpp
+++ b/src/gtk1/radiobut.cpp
@@ -2,9 +2,8 @@
 // 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
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling

 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -15,75 +14,212 @@
 
 #include "wx/radiobut.h"
 
 
 #include "wx/radiobut.h"
 

+#if wxUSE_RADIOBOX
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.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;

 
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------

-// wxRadioButton
+// "clicked"

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
-  
-static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )
+static 
+void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioButton *rb )

 {
 {

-  if (!rb->HasVMT()) return;
-  if (g_blockEventsOnDrag) return;
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!rb->m_hasVMT) return;
+  
+    if (g_blockEventsOnDrag) return;

   
   

-  wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
-  event.SetInt( rb->GetValue() );
-  event.SetEventObject( rb );
-  rb->GetEventHandler()->ProcessEvent( event );
+    wxCommandEvent event( wxEVT_COMMAND_RADIOBUTTON_SELECTED, rb->GetId());
+    event.SetInt( rb->GetValue() );
+    event.SetEventObject( rb );
+    rb->GetEventHandler()->ProcessEvent( event );

 }
 
 }
 

+//-----------------------------------------------------------------------------
+// wxRadioButton
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxRadioButton,wxControl)
+  

 bool wxRadioButton::Create( wxWindow *parent, wxWindowID id, const wxString& label,
   const wxPoint& pos,  const wxSize& size, long style,
   const wxValidator& validator, const wxString& name )
 {
 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_needParent = TRUE;
-
-  wxSize newSize = size;
+    m_acceptsFocus = TRUE;
+    m_needParent = TRUE;
+    m_isRadioButton = TRUE;
+
+    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::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() );
+      
+    SetLabel(label);

 
 

-  PreCreation( parent, id, pos, newSize, style, name );
+    gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
+      GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
+       
+    m_parent->DoAddChild( this );
+  
+    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() );

   
   

-  SetValidator( validator );
+    Show( TRUE );

 
 

-  m_widget = gtk_radio_button_new_with_label( (GSList *) NULL, label );
-      
-  SetLabel(label);
+    return TRUE;
+}

 
 

-  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 );
+void wxRadioButton::SetLabel( const wxString& label )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+  
+    wxControl::SetLabel( label );
+    GtkButton *bin = GTK_BUTTON( m_widget );
+    GtkLabel *g_label = GTK_LABEL( bin->child );
+    gtk_label_set( g_label, GetLabel().mbc_str() );
+}

 
 

-  gtk_signal_connect( GTK_OBJECT(m_widget), "clicked", 
-    GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
-       
-  PostCreation();
+void wxRadioButton::SetValue( bool val )
+{
+    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+    if (val == GetValue())
+        return;
+
+    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
+    {
+        // 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 );
+}

 
 

-  Show( TRUE );
+bool wxRadioButton::GetValue() const
+{
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobutton") );
+  
+    return GTK_TOGGLE_BUTTON(m_widget)->active;
+}
+
+bool wxRadioButton::Enable( bool enable )
+{
+    if ( !wxControl::Enable( enable ) )
+        return FALSE;
+  
+    gtk_widget_set_sensitive( GTK_BUTTON(m_widget)->child, 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( GTK_BUTTON(m_widget)->child, 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 == GTK_TOGGLE_BUTTON(m_widget)->event_window);

 }
 
 }
 

-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;
+
+    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