Removed comment

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

diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index fb6cc16c42240e068f141ca7763061784355a5fc..82606be7ffda18fb9c6874a8b30b37fc9caf0a27 100644 (file)
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        checkbox.cpp
+// Name:        src/gtk/checkbox.cpp

 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$


@@ -7,52 +7,83 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-
-#ifdef __GNUG__
-#pragma implementation "checkbox.h"
-#endif
-
-#include "wx/defs.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

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

-#include "wx/gtk/private.h"
-
-//-----------------------------------------------------------------------------
-// idle system
-//-----------------------------------------------------------------------------
-
-extern void wxapp_install_idle_handler();
-extern bool g_isIdle;
+#include <gtk/gtk.h>

 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 extern bool           g_blockEventsOnDrag;
 
 //-----------------------------------------------------------------------------
 // data
 //-----------------------------------------------------------------------------
 
 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 (g_isIdle) wxapp_install_idle_handler();
-

     if (!cb->m_hasVMT) return;
 
     if (g_blockEventsOnDrag) return;
     if (!cb->m_hasVMT) return;
 
     if (g_blockEventsOnDrag) return;

-    
-    if (cb->m_blockEvent) return;
+
+    // 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->GTKDisableEvents();
+
+            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(wxT("3state wxCheckBox in unexpected state!"));
+            }
+
+            cb->GTKEnableEvents();
+        }
+        else
+        {
+            // user's action unsets undetermined state:
+            gtk_toggle_button_set_inconsistent(toggle, false);
+        }
+    }

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

-    event.SetInt( cb->GetValue() );
+    event.SetInt(cb->Get3StateValue());

     event.SetEventObject(cb);
     event.SetEventObject(cb);

-    cb->GetEventHandler()->ProcessEvent(event);
+    cb->HandleWindowEvent(event);
+}

 }
 
 //-----------------------------------------------------------------------------
 }
 
 //-----------------------------------------------------------------------------


@@ -74,17 +105,18 @@ bool wxCheckBox::Create(wxWindow *parent,
                         const wxValidator& validator,
                         const wxString &name )
 {
                         const wxValidator& validator,
                         const wxString &name )
 {

-    m_needParent = TRUE;
-    m_acceptsFocus = TRUE;
-    m_blockEvent = FALSE;
-

     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxCheckBox creation failed") );
     if (!PreCreation( parent, pos, size ) ||
         !CreateBase( parent, id, pos, size, style, validator, name ))
     {
         wxFAIL_MSG( wxT("wxCheckBox creation failed") );

-        return FALSE;
+        return false;

     }
 
     }
 

+    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 )
     {
         // VZ: as I don't know a way to create a right aligned checkbox with
     if ( style & wxALIGN_RIGHT )
     {
         // VZ: as I don't know a way to create a right aligned checkbox with


@@ -105,37 +137,32 @@ bool wxCheckBox::Create(wxWindow *parent,
     else
     {
         m_widgetCheckbox = gtk_check_button_new_with_label("");
     else
     {
         m_widgetCheckbox = gtk_check_button_new_with_label("");

-        m_widgetLabel = BUTTON_CHILD( m_widgetCheckbox );
+        m_widgetLabel = GTK_BIN(m_widgetCheckbox)->child;

         m_widget = m_widgetCheckbox;
     }
         m_widget = m_widgetCheckbox;
     }

+    g_object_ref(m_widget);

     SetLabel( label );
 
     SetLabel( label );
 

-    gtk_signal_connect( GTK_OBJECT(m_widgetCheckbox),
-                        "clicked",
-                        GTK_SIGNAL_FUNC(gtk_checkbox_clicked_callback),
-                        (gpointer *)this );
+    g_signal_connect (m_widgetCheckbox, "toggled",
+                      G_CALLBACK (gtk_checkbox_toggled_callback), this);

 
     m_parent->DoAddChild( 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 );
+    PostCreation(size);

 
 

-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
+    return true;
+}

 
 

-    Show( TRUE );
+void wxCheckBox::GTKDisableEvents()
+{
+    g_signal_handlers_block_by_func(m_widgetCheckbox,
+        (gpointer) gtk_checkbox_toggled_callback, this);
+}

 
 

-    return TRUE;
+void wxCheckBox::GTKEnableEvents()
+{
+    g_signal_handlers_unblock_by_func(m_widgetCheckbox,
+        (gpointer) gtk_checkbox_toggled_callback, this);

 }
 
 void wxCheckBox::SetValue( bool state )
 }
 
 void wxCheckBox::SetValue( bool state )


@@ -145,83 +172,75 @@ void wxCheckBox::SetValue( bool state )
     if (state == GetValue())
         return;
 
     if (state == GetValue())
         return;
 

-    m_blockEvent = TRUE;
+    GTKDisableEvents();

 
 

-    gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );
+    gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(m_widgetCheckbox), state );

 
 

-    m_blockEvent = FALSE;
+    GTKEnableEvents();

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

-    wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("invalid checkbox") );
+    wxCHECK_MSG( m_widgetCheckbox != NULL, false, wxT("invalid checkbox") );
+
+    return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(m_widgetCheckbox));
+}
+
+void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
+{
+    SetValue(state != wxCHK_UNCHECKED);
+    gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(m_widgetCheckbox),
+                                       state == wxCHK_UNDETERMINED);
+}

 
 

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

 }
 
 void wxCheckBox::SetLabel( const wxString& label )
 {
     wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
 
 }
 
 void wxCheckBox::SetLabel( const wxString& label )
 {
     wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
 

-    wxControl::SetLabel( label );
+    // save the label inside m_label in case user calls GetLabel() later
+    wxControl::SetLabel(label);

 
 

-#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
+    GTKSetLabelForLabel(GTK_LABEL(m_widgetLabel), label);

 }
 
 bool wxCheckBox::Enable( bool enable )
 {
 }
 
 bool wxCheckBox::Enable( bool enable )
 {

+    bool isEnabled = IsEnabled();
+

     if ( !wxControl::Enable( enable ) )
     if ( !wxControl::Enable( enable ) )

-        return FALSE;
+        return false;

 
     gtk_widget_set_sensitive( m_widgetLabel, enable );
 
 
     gtk_widget_set_sensitive( m_widgetLabel, enable );
 

-    return TRUE;
-}
+    if (!isEnabled && enable)
+    {
+        GTKFixSensitivity();
+    }

 
 

-void wxCheckBox::ApplyWidgetStyle()
-{
-    SetWidgetStyle();
-    gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle );
-    gtk_widget_set_style( m_widgetLabel, m_widgetStyle );
+    return true;

 }
 
 }
 

-bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
+void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style)

 {
 {

-    return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);
+    gtk_widget_modify_style(m_widgetCheckbox, style);
+    gtk_widget_modify_style(m_widgetLabel, style);

 }
 
 }
 

-void wxCheckBox::OnInternalIdle()
+GdkWindow *wxCheckBox::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const

 {
 {

-    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);
+    return GTK_BUTTON(m_widgetCheckbox)->event_window;

 }
 
 wxSize wxCheckBox::DoGetBestSize() const
 }
 
 wxSize wxCheckBox::DoGetBestSize() const


@@ -229,4 +248,11 @@ wxSize wxCheckBox::DoGetBestSize() const
     return wxControl::DoGetBestSize();
 }
 
     return wxControl::DoGetBestSize();
 }
 

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

 #endif
 #endif