Added chapter on collection and container classes to contents

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

diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index 1811807ab04ac7992f496d892926ccdf5474c85c..8bc24ddf9e682acf443fd65856bb6a689257791f 100644 (file)
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -14,8 +14,10 @@
 
 #include "wx/checkbox.h"
 
-#include "gdk/gdk.h"
-#include "gtk/gtk.h"
+#if wxUSE_CHECKBOX
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
 // idle system
@@ -28,7 +30,8 @@ extern bool g_isIdle;
 // data
 //-----------------------------------------------------------------------------
 
-extern bool   g_blockEventsOnDrag;
+extern bool       g_blockEventsOnDrag;
+extern wxCursor   g_globalCursor;
 
 //-----------------------------------------------------------------------------
 // "clicked"
@@ -38,13 +41,7 @@ static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckB
 {
     if (g_isIdle) wxapp_install_idle_handler();
 
-    if (!cb->HasVMT()) return;
-
-    if (cb->m_blockFirstEvent)
-    {
-        cb->m_blockFirstEvent = FALSE;
-        return;
-    }
+    if (!cb->m_hasVMT) return;
 
     if (g_blockEventsOnDrag) return;
 
@@ -76,11 +73,13 @@ bool wxCheckBox::Create(wxWindow *parent,
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
 
-    PreCreation( parent, id, pos, size, style, name );
-
-    m_blockFirstEvent = FALSE;
+    if (!PreCreation( parent, pos, size ) ||
+        !CreateBase( parent, id, pos, size, style, validator, name ))
+    {
+        wxFAIL_MSG( wxT("wxCheckBox creation failed") );
+           return FALSE;
+    }
 
-    SetValidator( validator );
     wxControl::SetLabel( label );
 
     if ( style & wxALIGN_RIGHT )
@@ -97,7 +96,6 @@ bool wxCheckBox::Create(wxWindow *parent,
         gtk_box_pack_start(GTK_BOX(m_widget), m_widgetLabel, FALSE, FALSE, 3);
         gtk_box_pack_start(GTK_BOX(m_widget), m_widgetCheckbox, FALSE, FALSE, 3);
 
-        // VZ: why do I have to do this to make them appear?
         gtk_widget_show( m_widgetLabel );
         gtk_widget_show( m_widgetCheckbox );
     }
@@ -108,31 +106,28 @@ bool wxCheckBox::Create(wxWindow *parent,
         m_widget = m_widgetCheckbox;
     }
 
-    wxSize newSize(size);
-    if (newSize.x == -1)
-    {
-        newSize.x = 25 + gdk_string_measure( m_widgetCheckbox->style->font,
-                                             m_label.mbc_str() );
-    }
-    if (newSize.y == -1)
-        newSize.y = 26;
-
-    SetSize( newSize.x, newSize.y );
-
     gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
                         "clicked",
                         GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
                         (gpointer *)this );
 
-    m_parent->AddChild( this );
-
-    (m_parent->m_insertCallback)( m_parent, 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() );
-    SetFont( parent->GetFont() );
 
     Show( TRUE );
 
@@ -141,41 +136,47 @@ bool wxCheckBox::Create(wxWindow *parent,
 
 void wxCheckBox::SetValue( bool state )
 {
-    wxCHECK_RET( m_widgetCheckbox != NULL, _T("invalid checkbox") );
+    wxCHECK_RET( m_widgetCheckbox != NULL, wxT("invalid checkbox") );
 
-    if ( state == GetValue() )
+    if (state == GetValue())
         return;
 
-    // for compatibility with wxMSW don't send notification when the check box
-    // state is changed programmatically
-    m_blockFirstEvent = TRUE;
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widgetCheckbox),
+                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
+                        (gpointer *)this );
 
     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
+    
+    gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
+                        "clicked",
+                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
+                        (gpointer *)this );
 }
 
 bool wxCheckBox::GetValue() const
 {
-    wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, _T("invalid checkbox") );
+    wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("invalid checkbox") );
 
     return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active;
 }
 
 void wxCheckBox::SetLabel( const wxString& label )
 {
-    wxCHECK_RET( m_widgetLabel != NULL, _T("invalid checkbox") );
+    wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
 
     wxControl::SetLabel( label );
 
     gtk_label_set( GTK_LABEL(m_widgetLabel), GetLabel().mbc_str() );
 }
 
-void wxCheckBox::Enable( bool enable )
+bool wxCheckBox::Enable( bool enable )
 {
-    wxCHECK_RET( m_widgetLabel != NULL, _T("invalid checkbox") );
-
-    wxControl::Enable( enable );
+    if ( !wxControl::Enable( enable ) )
+        return FALSE;
 
     gtk_widget_set_sensitive( m_widgetLabel, enable );
+
+    return TRUE;
 }
 
 void wxCheckBox::ApplyWidgetStyle()
@@ -185,3 +186,32 @@ void wxCheckBox::ApplyWidgetStyle()
     gtk_widget_set_style( m_widgetLabel, m_widgetStyle );
 }
 
+bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
+{
+    return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window);
+}
+
+void wxCheckBox::OnInternalIdle()
+{
+    wxCursor cursor = m_cursor;
+    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+    if (GTK_TOGGLE_BUTTON(m_widgetCheckbox)->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_widgetCheckbox)->event_window, cursor.GetCursor() );
+    }
+
+    UpdateWindowUI();
+}
+
+wxSize wxCheckBox::DoGetBestSize() const
+{
+    return wxControl::DoGetBestSize();
+}
+
+#endif