Add comments explaining the workaround for mingw 3.2.3

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

diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index e038003ca6c38919b8d50a70585dd2813ad0cf69..a0655d0912c43ecc22378cb8292002323ef1935d 100644 (file)
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -8,18 +8,20 @@
 /////////////////////////////////////////////////////////////////////////////
 
 
 /////////////////////////////////////////////////////////////////////////////
 
 

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

-#include <gdk/gdk.h>
-#include <gtk/gtk.h>
+#include "wx/gtk/private.h"

 
 //-----------------------------------------------------------------------------
 // idle system
 
 //-----------------------------------------------------------------------------
 // idle system


@@ -32,14 +34,16 @@ extern bool g_isIdle;
 // data
 //-----------------------------------------------------------------------------
 
 // data
 //-----------------------------------------------------------------------------
 

-extern bool       g_blockEventsOnDrag;
-extern wxCursor   g_globalCursor;
+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 (g_isIdle) wxapp_install_idle_handler();
 


@@ -49,11 +53,64 @@ static void gtk_checkbox_clicked_callback( GtkWidget *WXUNUSED(widget), wxCheckB
     
     if (cb->m_blockEvent) 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


@@ -85,7 +142,10 @@ bool wxCheckBox::Create(wxWindow *parent,
         return FALSE;
     }
 
         return FALSE;
     }
 

-    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 )
     {


@@ -94,7 +154,7 @@ 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_misc_set_alignment(GTK_MISC(m_widgetLabel), 0.0, 0.5);
 
         m_widget = gtk_hbox_new(FALSE, 0);


@@ -106,35 +166,20 @@ bool wxCheckBox::Create(wxWindow *parent,
     }
     else
     {
     }
     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;
     }

+    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 );
 
     m_parent->DoAddChild( this );
 
                         (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() );
-
-    Show( TRUE );
+    PostCreation(size);

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -157,16 +202,46 @@ bool wxCheckBox::GetValue() const
 {
     wxCHECK_MSG( m_widgetCheckbox != NULL, FALSE, wxT("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 )
 {
     wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
 
     wxControl::SetLabel( label );
 
 void wxCheckBox::SetLabel( const wxString& label )
 {
     wxCHECK_RET( m_widgetLabel != NULL, wxT("invalid checkbox") );
 
     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

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


@@ -179,16 +254,15 @@ bool wxCheckBox::Enable( bool enable )
     return TRUE;
 }
 
     return TRUE;
 }
 

-void wxCheckBox::ApplyWidgetStyle()
+void wxCheckBox::DoApplyWidgetStyle(GtkRcStyle *style)

 {
 {

-    SetWidgetStyle();
-    gtk_widget_set_style( m_widgetCheckbox, m_widgetStyle );
-    gtk_widget_set_style( m_widgetLabel, m_widgetStyle );
+    gtk_widget_modify_style(m_widgetCheckbox, style);
+    gtk_widget_modify_style(m_widgetLabel, style);

 }
 
 bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
 {
 }
 
 bool wxCheckBox::IsOwnGtkWindow( GdkWindow *window )
 {

-    return (window == GTK_TOGGLE_BUTTON(m_widget)->event_window);
+    return window == TOGGLE_BUTTON_EVENT_WIN(m_widget);

 }
 
 void wxCheckBox::OnInternalIdle()
 }
 
 void wxCheckBox::OnInternalIdle()


@@ -196,17 +270,28 @@ void wxCheckBox::OnInternalIdle()
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 

-    if (GTK_TOGGLE_BUTTON(m_widgetCheckbox)->event_window && cursor.Ok())
+    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. */
 
     {
         /* 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() );
+       gdk_window_set_cursor( event_window, cursor.GetCursor() );

     }
 
     }
 

-    UpdateWindowUI();
+    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 wxCheckBox::DoGetBestSize() const
 }
 
 wxSize wxCheckBox::DoGetBestSize() const


@@ -214,4 +299,11 @@ 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