#include "wx/arrstr.h"
#endif
+#include <gtk/gtk.h>
#include "wx/gtk/private.h"
-
+#include "wx/gtk/private/gtk2-compat.h"
// ----------------------------------------------------------------------------
// GTK callbacks
static void
gtk_choice_changed_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
{
- choice->SendSelectionChangedEvent(wxEVT_COMMAND_CHOICE_SELECTED);
+ choice->SendSelectionChangedEvent(wxEVT_CHOICE);
}
}
// wxChoice
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControlWithItems)
-
void wxChoice::Init()
{
m_strings = NULL;
m_strings = new wxGtkCollatedArrayString;
}
+#ifdef __WXGTK3__
+ m_widget = gtk_combo_box_text_new();
+#else
m_widget = gtk_combo_box_new_text();
+#endif
g_object_ref(m_widget);
Append(n, choices);
delete m_strings;
}
-void wxChoice::SendSelectionChangedEvent(wxEventType evt_type)
-{
- if (!m_hasVMT)
- return;
-
- if (GetSelection() == -1)
- return;
-
- wxCommandEvent event( evt_type, GetId() );
-
- int n = GetSelection();
- event.SetInt( n );
- event.SetString( GetStringSelection() );
- event.SetEventObject( this );
- InitCommandEventWithItems( event, n );
-
- HandleWindowEvent( event );
-}
-
void wxChoice::GTKInsertComboBoxTextItem( unsigned int n, const wxString& text )
{
+#ifdef __WXGTK3__
+ gtk_combo_box_text_insert_text(GTK_COMBO_BOX_TEXT(m_widget), n, wxGTK_CONV(text));
+#else
gtk_combo_box_insert_text( GTK_COMBO_BOX( m_widget ), n, wxGTK_CONV( text ) );
+#endif
}
int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
// the right insertion point
if (m_strings)
n = m_strings->Add(items[i]);
-
+
GTKInsertComboBoxTextItem( n, items[i] );
m_clientData.Insert( NULL, n );
{
wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
- DisableEvents();
+ GTKDisableEvents();
GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
GtkTreeModel* model = gtk_combo_box_get_model( combobox );
if (m_strings)
m_strings->Clear();
- EnableEvents();
+ GTKEnableEvents();
InvalidateBestSize();
}
GtkTreeModel* model = gtk_combo_box_get_model( combobox );
GtkListStore* store = GTK_LIST_STORE(model);
GtkTreeIter iter;
- gtk_tree_model_iter_nth_child( model, &iter,
- NULL, (gint) n );
+ if ( !gtk_tree_model_iter_nth_child(model, &iter, NULL, n) )
+ {
+ // This is really not supposed to happen for a valid index.
+ wxFAIL_MSG(wxS("Item unexpectedly not found."));
+ return;
+ }
gtk_list_store_remove( store, &iter );
m_clientData.RemoveAt( n );
{
wxCHECK_RET( m_widget != NULL, wxT("invalid control") );
- DisableEvents();
+ GTKDisableEvents();
GtkComboBox* combobox = GTK_COMBO_BOX( m_widget );
gtk_combo_box_set_active( combobox, n );
- EnableEvents();
+ GTKEnableEvents();
}
void wxChoice::SetColumns(int n)
return intval;
}
-
-void wxChoice::DisableEvents()
+void wxChoice::GTKDisableEvents()
{
g_signal_handlers_block_by_func(m_widget,
(gpointer) gtk_choice_changed_callback, this);
}
-void wxChoice::EnableEvents()
+void wxChoice::GTKEnableEvents()
{
g_signal_handlers_unblock_by_func(m_widget,
(gpointer) gtk_choice_changed_callback, this);
}
-
GdkWindow *wxChoice::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
{
- return m_widget->window;
+ return gtk_widget_get_window(m_widget);
}
-// Notice that this method shouldn't be necessary, because GTK calculates
-// properly size of the combobox but for unknown reasons it doesn't work
-// correctly in wx without this.
wxSize wxChoice::DoGetBestSize() const
{
- // strangely, this returns a width of 188 pixels from GTK+ (?)
- wxSize ret( wxControl::DoGetBestSize() );
+ // Get the height of the control from GTK+ itself, but use our own version
+ // to compute the width large enough to show all our strings as GTK+
+ // doesn't seem to take the control contents into account.
+ return GetSizeFromTextSize(wxChoiceBase::DoGetBestSize().x);
+}
- // we know better our horizontal extent: it depends on the longest string
- // in the combobox
- if ( m_widget )
- {
- ret.x = GetCount() > 0 ? 0 : 60; // start with something "sensible"
- int width;
- unsigned int count = GetCount();
- for ( unsigned int n = 0; n < count; n++ )
- {
- GetTextExtent(GetString(n), &width, NULL, NULL, NULL );
- if ( width + 40 > ret.x ) // 40 for drop down arrow and space around text
- ret.x = width + 40;
- }
- }
+wxSize wxChoice::DoGetSizeFromTextSize(int xlen, int ylen) const
+{
+ wxASSERT_MSG( m_widget, wxS("GetSizeFromTextSize called before creation") );
- // empty combobox should have some reasonable default size too
- if ((GetCount() == 0) && (ret.x < 80))
- ret.x = 80;
+ // a GtkEntry for wxComboBox and a GtkCellView for wxChoice
+ GtkWidget* childPart = gtk_bin_get_child(GTK_BIN(m_widget));
- CacheBestSize(ret);
- return ret;
+ // Set a as small as possible size for the control, so preferred sizes
+ // return "natural" sizes, not taking into account the previous ones (which
+ // seems to be GTK+3 behaviour)
+ gtk_widget_set_size_request(m_widget, 0, 0);
+
+ // We are interested in the difference of sizes between the whole contol
+ // and its child part. I.e. arrow, separators, etc.
+ GtkRequisition req;
+ gtk_widget_get_preferred_size(childPart, NULL, &req);
+ wxSize totalS = GTKGetPreferredSize(m_widget);
+
+ wxSize tsize(xlen + totalS.x - req.width, totalS.y);
+
+ // For a wxChoice, not for wxComboBox, add some margins
+ if ( !GTK_IS_ENTRY(childPart) )
+ tsize.IncBy(5, 0);
+
+ // Perhaps the user wants something different from CharHeight
+ if ( ylen > 0 )
+ tsize.IncBy(0, ylen - GetCharHeight());
+
+ return tsize;
}
void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style)
{
- gtk_widget_modify_style(m_widget, style);
- gtk_widget_modify_style(GTK_BIN(m_widget)->child, style);
+ GTKApplyStyle(m_widget, style);
+ GTKApplyStyle(gtk_bin_get_child(GTK_BIN(m_widget)), style);
}
-
// static
wxVisualAttributes
wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new);
+ return GetDefaultAttributesFromGTKWidget(gtk_combo_box_new());
}
-
#endif // wxUSE_CHOICE || wxUSE_COMBOBOX