void vik_layers_panel_delete_selected ( VikLayersPanel *vlp ) { gint type; GtkTreeIter iter; if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) ) /* Nothing to do */ return; type = vik_treeview_item_get_type ( vlp->vt, &iter ); if ( type == VIK_TREEVIEW_TYPE_LAYER ) { // Get confirmation from the user if ( ! a_dialog_yes_or_no ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("Are you sure you want to delete %s?"), vik_layer_get_name ( VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) ) ) ) return; VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter ); if ( parent ) { /* reset trigger if trigger deleted */ if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) ) vik_viewport_set_trigger ( vlp->vvp, NULL ); if (IS_VIK_AGGREGATE_LAYER(parent)) { if ( vik_aggregate_layer_delete ( parent, &iter ) ) vik_layers_panel_emit_update ( vlp ); } } else a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot delete the Top Layer.") ); } else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) { VikLayer *sel = vik_layers_panel_get_selected ( vlp ); if ( vik_layer_get_interface(sel->type)->delete_item ) { gint subtype = vik_treeview_item_get_data( vlp->vt, &iter); vik_layer_get_interface(sel->type)->delete_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) ); } } }
/* Draw the aggregate layer. If vik viewport is in half_drawn mode, this means we are only * to draw the layers above and including the trigger layer. * To do this we don't draw any layers if in half drawn mode, unless we find the * trigger layer, in which case we pull up the saved pixmap, turn off half drawn mode and * start drawing layers. * Also, if we were never in half drawn mode, we save a snapshot * of the pixmap before drawing the trigger layer so we can use it again * later. */ void vik_aggregate_layer_draw ( VikAggregateLayer *val, VikViewport *vp ) { GList *iter = val->children; VikLayer *vl; VikLayer *trigger = VIK_LAYER(vik_viewport_get_trigger( vp )); while ( iter ) { vl = VIK_LAYER(iter->data); if ( vl == trigger ) { if ( vik_viewport_get_half_drawn ( vp ) ) { vik_viewport_set_half_drawn ( vp, FALSE ); vik_viewport_snapshot_load( vp ); } else { vik_viewport_snapshot_save( vp ); } } if ( vl->type == VIK_LAYER_AGGREGATE || vl->type == VIK_LAYER_GPS || ! vik_viewport_get_half_drawn( vp ) ) vik_layer_draw ( vl, vp ); iter = iter->next; } }
void vik_layers_panel_cut_selected ( VikLayersPanel *vlp ) { gint type; GtkTreeIter iter; if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) ) /* Nothing to do */ return; type = vik_treeview_item_get_type ( vlp->vt, &iter ); if ( type == VIK_TREEVIEW_TYPE_LAYER ) { VikAggregateLayer *parent = vik_treeview_item_get_parent ( vlp->vt, &iter ); if ( parent ) { /* reset trigger if trigger deleted */ if ( vik_layers_panel_get_selected ( vlp ) == vik_viewport_get_trigger ( vlp->vvp ) ) vik_viewport_set_trigger ( vlp->vvp, NULL ); a_clipboard_copy_selected ( vlp ); if (IS_VIK_AGGREGATE_LAYER(parent)) { if ( vik_aggregate_layer_delete ( parent, &iter ) ) vik_layers_panel_emit_update ( vlp ); } } else a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("You cannot cut the Top Layer.") ); } else if (type == VIK_TREEVIEW_TYPE_SUBLAYER) { VikLayer *sel = vik_layers_panel_get_selected ( vlp ); if ( vik_layer_get_interface(sel->type)->cut_item ) { gint subtype = vik_treeview_item_get_data( vlp->vt, &iter); vik_layer_get_interface(sel->type)->cut_item ( sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter) ); } } }