// 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
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_RADIOBOX
+
#include "wx/radiobut.h"
+#include "wx/gtk/private.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+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
+//-----------------------------------------------------------------------------
+
+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 )
+{
+ 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(size);
+
+ return TRUE;
+}
+
+void wxRadioButton::SetLabel( const wxString& label )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+ 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
+}
+
+void wxRadioButton::SetValue( bool val )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid radiobutton") );
+
+ if (val == GetValue())
+ return;
+
+ m_blockEvent = TRUE;
+
+ 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.
+ }
+
+ m_blockEvent = FALSE;
+}
+
+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( BUTTON_CHILD(m_widget), enable );
+
+ return TRUE;
+}
+
+void wxRadioButton::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ gtk_widget_modify_style(m_widget, style);
+ gtk_widget_modify_style(BUTTON_CHILD(m_widget), style);
+}
+
+bool wxRadioButton::IsOwnGtkWindow( GdkWindow *window )
+{
+ return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);
+}
+
+void wxRadioButton::OnInternalIdle()
+{
+ 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);
+}
+
+wxSize wxRadioButton::DoGetBestSize() const
+{
+ return wxControl::DoGetBestSize();
+}
+
+// static
+wxVisualAttributes
+wxRadioButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ wxVisualAttributes attr;
+ // NB: we need toplevel window so that GTK+ can find the right style
+ GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ GtkWidget* widget = gtk_radio_button_new_with_label(NULL, "");
+ gtk_container_add(GTK_CONTAINER(wnd), widget);
+ attr = GetDefaultAttributesFromGTKWidget(widget);
+ gtk_widget_destroy(wnd);
+ return attr;
+}
+
+
+#endif
projects / wxWidgets.git / blobdiff