[ 1216436 ] cleanup 'shadow variable' warnings from gcc in headers.

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

diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index 8cda3d112bfc782c4d11c1e6877ad997cbfdc480..a0655d0912c43ecc22378cb8292002323ef1935d 100644 (file)
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -8,42 +8,109 @@
 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 

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

 #pragma implementation "checkbox.h"
 #endif
 
 #pragma implementation "checkbox.h"
 #endif
 

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

 #include "wx/checkbox.h"
 
 #include "wx/checkbox.h"
 

-#include "gdk/gdk.h"
-#include "gtk/gtk.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"
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // "clicked"
 //-----------------------------------------------------------------------------
 

-static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckBox *cb )
+extern "C" {
+static void gtk_checkbox_toggled_callback(GtkWidget *widget, wxCheckBox *cb)

 {
 {

-    if (!cb->HasVMT()) return;
+    if (g_isIdle) wxapp_install_idle_handler();

 
 

-    if (cb->m_blockFirstEvent)
-    {
-        cb->m_blockFirstEvent = FALSE;
-        return;
-    }
+    if (!cb->m_hasVMT) return;

 
     if (g_blockEventsOnDrag) return;
 
     if (g_blockEventsOnDrag) return;

+    
+    if (cb->m_blockEvent) return;
+
+#ifdef __WXGTK20__
+    // Transitions for 3state checkbox must be done manually, GTK's checkbox
+    // is 2state with additional "undetermined state" flag which isn't
+    // changed automatically:
+    if (cb->Is3State())
+    {
+        GtkToggleButton *toggle = GTK_TOGGLE_BUTTON(widget);
+
+        if (cb->Is3rdStateAllowedForUser())
+        {
+            // The 3 states cycle like this when clicked:
+            // checked -> undetermined -> unchecked -> checked -> ...
+            bool active = gtk_toggle_button_get_active(toggle);
+            bool inconsistent = gtk_toggle_button_get_inconsistent(toggle);
+
+            cb->m_blockEvent = true;
+            
+            if (!active && !inconsistent)
+            {
+                // checked -> undetermined
+                gtk_toggle_button_set_active(toggle, true);
+                gtk_toggle_button_set_inconsistent(toggle, true);
+            }
+            else if (!active && inconsistent)
+            {
+                // undetermined -> unchecked
+                gtk_toggle_button_set_inconsistent(toggle, false);
+            }
+            else if (active && !inconsistent)
+            {
+                // unchecked -> checked
+                // nothing to do
+            }
+            else
+            {
+                wxFAIL_MSG(_T("3state wxCheckBox in unexpected state!"));
+            }
+            
+            cb->m_blockEvent = false;
+        }
+        else
+        {
+            // user's action unsets undetermined state:
+            gtk_toggle_button_set_inconsistent(toggle, false);
+        }
+    }
+#endif

 
     wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());
 
     wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, cb->GetId());

-    event.SetInt( cb->GetValue() );
+#ifdef __WXGTK20__
+    event.SetInt(cb->Get3StateValue());
+#else
+    event.SetInt(cb->GetValue());
+#endif

     event.SetEventObject(cb);
     cb->GetEventHandler()->ProcessEvent(event);
 }
     event.SetEventObject(cb);
     cb->GetEventHandler()->ProcessEvent(event);
 }

+}

 
 //-----------------------------------------------------------------------------
 // wxCheckBox
 
 //-----------------------------------------------------------------------------
 // wxCheckBox


@@ -66,13 +133,19 @@ bool wxCheckBox::Create(wxWindow *parent,
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;
 {
     m_needParent = TRUE;
     m_acceptsFocus = TRUE;

+    m_blockEvent = FALSE;

 
 

-    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 );
+    wxASSERT_MSG( (style & wxCHK_ALLOW_3RD_STATE_FOR_USER) == 0 ||
+                  (style & wxCHK_3STATE) != 0,
+                  wxT("Using wxCHK_ALLOW_3RD_STATE_FOR_USER")
+                  wxT(" style flag for a 2-state checkbox is useless") );

 
     if ( style & wxALIGN_RIGHT )
     {
 
     if ( style & wxALIGN_RIGHT )
     {


@@ -81,98 +154,156 @@ bool wxCheckBox::Create(wxWindow *parent,
         //     left of it
         m_widgetCheckbox = gtk_check_button_new();
 
         //     left of it
         m_widgetCheckbox = gtk_check_button_new();
 

-        m_widgetLabel = gtk_label_new(m_label.mbc_str());
+        m_widgetLabel = gtk_label_new("");

         gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5);
 
         m_widget = gtk_hbox_new(FALSE, 0);
         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);
 
         gtk_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5);
 
         m_widget = gtk_hbox_new(FALSE, 0);
         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 );
     }
     else
     {
         gtk_widget_show( m_widgetLabel );
         gtk_widget_show( m_widgetCheckbox );
     }
     else
     {

-        m_widgetCheckbox = gtk_check_button_new_with_label( m_label.mbc_str() );
-        m_widgetLabel = GTK_BUTTON( m_widgetCheckbox )->child;
+        m_widgetCheckbox = gtk_check_button_new_with_label("");
+        m_widgetLabel = BUTTON_CHILD( m_widgetCheckbox );

         m_widget = m_widgetCheckbox;
     }
         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 );
+    SetLabel( label );

 
     gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
 
     gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),

-                        "clicked",
-                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
+                        "toggled",
+                        GTK_SIGNAL_FUNC(gtk_checkbox_toggled_callback),

                         (gpointer *)this );
 
                         (gpointer *)this );
 

-    m_parent->AddChild( this );
-
-    (m_parent->m_insertCallback)( m_parent, this );
+    m_parent->DoAddChild( this );

 
 

-    PostCreation();
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-    SetFont( parent->GetFont() );
-
-    Show( TRUE );
+    PostCreation(size);

 
     return TRUE;
 }
 
 void wxCheckBox::SetValue( bool state )
 {
 
     return TRUE;
 }
 
 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;
 
         return;
 

-    // for compatibility with wxMSW don't send notification when the check box
-    // state is changed programmatically
-    m_blockFirstEvent = TRUE;
+    m_blockEvent = TRUE;

 
     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
 
     gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );

+
+    m_blockEvent = FALSE;

 }
 
 bool wxCheckBox::GetValue() const
 {
 }
 
 bool wxCheckBox::GetValue() const
 {

-    wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, _T("invalid checkbox") );
+    wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("invalid checkbox") );

 
 

+#ifdef __WXGTK20__
+    return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox));
+#else

     return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active;
     return GTK_TOGGLE_BUTTON(m_widgetCheckbox)->active;

+#endif
+}
+
+#ifdef __WXGTK20__
+void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
+{
+    SetValue(state != wxCHK_UNCHECKED);
+    gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox),
+                                       state == wxCHK_UNDETERMINED);
+}
+
+wxCheckBoxState wxCheckBox::DoGet3StateValue() const
+{
+    if (gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox)))
+    {
+        return wxCHK_UNDETERMINED;
+    }
+    else
+    {
+        return GetValue() ? wxCHK_CHECKED : wxCHK_UNCHECKED;
+    }

 }
 }

+#endif

 
 void wxCheckBox::SetLabel( const wxString& label )
 {
 
 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 );
 
 
     wxControl::SetLabel( label );
 

-    gtk_label_set( GTK_LABEL(m_widgetLabel), GetLabel().mbc_str() );
+#ifdef __WXGTK20__
+    wxString label2 = PrepareLabelMnemonics( label );
+    gtk_label_set_text_with_mnemonic( GTK_LABEL(m_widgetLabel), wxGTK_CONV( label2 ) );
+#else
+    gtk_label_set( GTK_LABEL(m_widgetLabel), wxGTK_CONV( GetLabel() ) );
+#endif

 }
 
 }
 

-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 );
 
     gtk_widget_set_sensitive( m_widgetLabel, enable );

+
+    return TRUE;
+}
+
+void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+    gtk_widget_modify_style(m_widgetCheckbox, style);
+    gtk_widget_modify_style(m_widgetLabel, style);
+}
+
+bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
+{
+    return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);
+}
+
+void wxCheckBox::OnInternalIdle()
+{
+    wxCursor cursor = m_cursor;
+    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+
+    GdkWindow *event_window = TOGGLE_BUTTON_EVENT_WIN(m_widgetCheckbox);
+    if ( 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( event_window, 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 wxCheckBox::ApplyWidgetStyle()
+wxSize wxCheckBox::DoGetBestSize() const

 {
 {

-    SetWidgetStyle();
-    gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle );
-    gtk_widget_set_style( m_widgetLabel, m_widgetStyle );
+    return wxControl::DoGetBestSize();

 }
 
 }
 

+// static
+wxVisualAttributes
+wxCheckBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_check_button_new);
+}
+
+#endif