- // If you read this code once and you think you undestand
- // it, then you are very wrong. RR
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- GtkLabel *label = GTK_LABEL(bin->child);
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
- if (string == label->label) return count;
- child = child->next;
- count++;
- };
- return -1;
-};
-
-int wxChoice::GetColumns(void) const
-{
- return 1;
-};
-
-int wxChoice::GetSelection(void)
-{
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (!bin->child) return count;
- child = child->next;
- count++;
- };
- return -1;
-};
-
-wxString wxChoice::GetString( const int n ) const
-{
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (count == n)
- {
- GtkLabel *label = GTK_LABEL(bin->child);
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
- return label->label;
- };
- child = child->next;
- count++;
- };
- return "";
-};
-
-wxString wxChoice::GetStringSelection(void) const
-{
- GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
- return label->label;
-};
-
-int wxChoice::Number(void) const
-{
- GtkMenu *menu = GTK_MENU( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu->children;
- while (child)
- {
- count++;
- child = child->next;
- };
- return count;
-};
-
-void wxChoice::SetColumns( const int WXUNUSED(n) )
-{
-};
-
-void wxChoice::SetSelection( const int n )
-{
- int tmp = n;
- gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
-};
-
-void wxChoice::SetStringSelection( const wxString &string )
-{
- int n = FindString( string );
- if (n != -1) SetSelection( n );
-};
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+
+ // If you read this code once and you think you understand
+ // it, then you are very wrong. Robert Roebling.
+
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ int count = 0;
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ GtkBin *bin = GTK_BIN( child->data );
+ GtkLabel *label = (GtkLabel *) NULL;
+ if (bin->child)
+ label = GTK_LABEL(bin->child);
+ if (!label)
+ label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+ wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+#ifdef __WXGTK20__
+ wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
+#else
+ wxString tmp( label->label );
+#endif
+ if (string == tmp)
+ return count;
+
+ child = child->next;
+ count++;
+ }
+
+ return -1;
+}
+
+int wxChoice::GetSelection() const
+{
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
+
+#ifdef __WXGTK20__
+
+ return gtk_option_menu_get_history( GTK_OPTION_MENU(m_widget) );
+
+#else
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ int count = 0;
+
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ GtkBin *bin = GTK_BIN( child->data );
+ if (!bin->child) return count;
+ child = child->next;
+ count++;
+ }
+
+ return -1;
+#endif
+}
+
+void wxChoice::SetString( int n, const wxString& str )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ int count = 0;
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ GtkBin *bin = GTK_BIN( child->data );
+ if (count == n)
+ {
+ GtkLabel *label = (GtkLabel *) NULL;
+ if (bin->child)
+ label = GTK_LABEL(bin->child);
+ if (!label)
+ label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+ wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+ gtk_label_set_text( label, wxGTK_CONV( str ) );
+
+ return;
+ }
+ child = child->next;
+ count++;
+ }
+}
+
+wxString wxChoice::GetString( int n ) const
+{
+ wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
+
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ int count = 0;
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ GtkBin *bin = GTK_BIN( child->data );
+ if (count == n)
+ {
+ GtkLabel *label = (GtkLabel *) NULL;
+ if (bin->child)
+ label = GTK_LABEL(bin->child);
+ if (!label)
+ label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+ wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+#ifdef __WXGTK20__
+ return wxString( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
+#else
+ return wxString( label->label );
+#endif
+ }
+ child = child->next;
+ count++;
+ }
+
+ wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
+
+ return wxT("");
+}
+
+int wxChoice::GetCount() const
+{
+ wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
+
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+ int count = 0;
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ count++;
+ child = child->next;
+ }
+ return count;
+}
+
+void wxChoice::SetSelection( int n )
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ int tmp = n;
+ gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
+}
+
+void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style)
+{
+ GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+
+ gtk_widget_modify_style( m_widget, style );
+ gtk_widget_modify_style( GTK_WIDGET( menu_shell ), style );
+
+ GList *child = menu_shell->children;
+ while (child)
+ {
+ gtk_widget_modify_style( GTK_WIDGET( child->data ), style );
+
+ GtkBin *bin = GTK_BIN( child->data );
+ GtkWidget *label = (GtkWidget *) NULL;
+ if (bin->child)
+ label = bin->child;
+ if (!label)
+ label = BUTTON_CHILD(m_widget);
+
+ gtk_widget_modify_style( label, style );
+
+ child = child->next;
+ }
+}
+
+int wxChoice::GtkAddHelper(GtkWidget *menu, int pos, const wxString& item)
+{
+ wxCHECK_MSG((pos>=0) && (pos<=(int)m_clientList.GetCount()), -1, wxT("invalid index"));
+
+ GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) );
+
+ size_t index;
+ if ( m_strings )
+ {
+ // sorted control, need to insert at the correct index
+ index = m_strings->Add(item);
+
+ gtk_menu_insert( GTK_MENU(menu), menu_item, index );
+
+ if ( index )
+ {
+ m_clientList.Insert( m_clientList.Item(index - 1),
+ (wxObject*) NULL );
+ }
+ else
+ {
+ m_clientList.Insert( (wxObject*) NULL );
+ }
+ }
+ else
+ {
+ // don't call wxChoice::GetCount() from here because it doesn't work
+ // if we're called from ctor (and GtkMenuShell is still NULL)
+
+ // normal control, just append
+ if (pos == (int)m_clientList.GetCount())
+ {
+ gtk_menu_append( GTK_MENU(menu), menu_item );
+ m_clientList.Append( (wxObject*) NULL );
+ index = m_clientList.GetCount() - 1;
+ }
+ else
+ {
+ gtk_menu_insert( GTK_MENU(menu), menu_item, pos );
+ m_clientList.Insert( pos, (wxObject*) NULL );
+ index = pos;
+ }
+ }
+
+ if (GTK_WIDGET_REALIZED(m_widget))
+ {
+ gtk_widget_realize( menu_item );
+ gtk_widget_realize( GTK_BIN(menu_item)->child );
+
+ ApplyWidgetStyle();
+ }
+
+ gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
+ GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
+
+ gtk_widget_show( menu_item );
+
+ // return the index of the item in the control
+ return index;
+}
+
+wxSize wxChoice::DoGetBestSize() const
+{
+ wxSize ret( wxControl::DoGetBestSize() );
+
+ // we know better our horizontal extent: it depends on the longest string
+ // we have
+ ret.x = 0;
+ if ( m_widget )
+ {
+ int width;
+ size_t count = GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ GetTextExtent( GetString(n), &width, NULL, NULL, NULL );
+ if ( width > ret.x )
+ ret.x = width;
+ }
+
+ // add extra for the choice "=" button
+
+ // VZ: I don't know how to get the right value, it seems to be in
+ // GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get
+ // to it - maybe we can use gtk_option_menu_size_request() for this
+ // somehow?
+ //
+ // This default value works only for the default GTK+ theme (i.e.
+ // no theme at all) (FIXME)
+ static const int widthChoiceIndicator = 35;
+ ret.x += widthChoiceIndicator;
+ }
+
+ // but not less than the minimal width
+ if ( ret.x < 80 )
+ ret.x = 80;
+
+ // If this request_size is called with no entries then
+ // the returned height is wrong. Give it a reasonable
+ // default value.
+ if (ret.y <= 18)
+ ret.y = 8 + GetCharHeight();
+
+ CacheBestSize(ret);
+ return ret;
+}
+
+bool wxChoice::IsOwnGtkWindow( GdkWindow *window )
+{
+#ifdef __WXGTK20__
+ return GTK_BUTTON(m_widget)->event_window;
+#else
+ return (window == m_widget->window);
+#endif
+}
+
+// static
+wxVisualAttributes
+wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new);
+}
+
+
+#endif // wxUSE_CHOICE
projects / wxWidgets.git / blobdiff