static void layers_item_toggled (VikLayersPanel *vlp, GtkTreeIter *iter)
{
gboolean visible;
gpointer p;
gint type;
/* get type and data */
type = vik_treeview_item_get_type ( vlp->vt, iter );
p = vik_treeview_item_get_pointer ( vlp->vt, iter );
switch ( type )
{
case VIK_TREEVIEW_TYPE_LAYER:
visible = (VIK_LAYER(p)->visible ^= 1);
vik_layer_emit_update_although_invisible ( VIK_LAYER(p) ); /* set trigger for half-drawn */
break;
case VIK_TREEVIEW_TYPE_SUBLAYER:
visible = vik_layer_sublayer_toggle_visible ( VIK_LAYER(vik_treeview_item_get_parent(vlp->vt, iter)),
vik_treeview_item_get_data(vlp->vt, iter), p);
vik_layer_emit_update_although_invisible ( VIK_LAYER(vik_treeview_item_get_parent(vlp->vt, iter)) );
break;
default: return;
}
vik_treeview_item_set_visible ( vlp->vt, iter, visible );
}
VikLayer *vik_layers_panel_get_selected ( VikLayersPanel *vlp )
{
GtkTreeIter iter, parent;
gint type;
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
return NULL;
type = vik_treeview_item_get_type ( vlp->vt, &iter );
while ( type != VIK_TREEVIEW_TYPE_LAYER )
{
if ( ! vik_treeview_item_get_parent_iter ( vlp->vt, &iter, &parent ) )
return NULL;
iter = parent;
type = vik_treeview_item_get_type ( vlp->vt, &iter );
}
return VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
}
/**
* vik_layers_panel_add_layer:
* @l: existing layer
*
* Add an existing layer to panel.
*/
void vik_layers_panel_add_layer ( VikLayersPanel *vlp, VikLayer *l )
{
GtkTreeIter iter;
GtkTreeIter *replace_iter = NULL;
/* could be something different so we have to do this */
vik_layer_change_coord_mode ( l, vik_viewport_get_coord_mode(vlp->vvp) );
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
vik_aggregate_layer_add_layer ( vlp->toplayer, l );
else
{
VikAggregateLayer *addtoagg;
if (vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
if ( IS_VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter )) )
addtoagg = VIK_AGGREGATE_LAYER(vik_treeview_item_get_pointer ( vlp->vt, &iter ));
else {
VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
while ( ! IS_VIK_AGGREGATE_LAYER(vl) ) {
iter = vl->iter;
vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &vl->iter ));
g_assert ( vl->realized );
}
addtoagg = VIK_AGGREGATE_LAYER(vl);
replace_iter = &iter;
}
}
else
{
/* a sublayer is selected, first get its parent (layer), then find the layer's parent (aggr. layer) */
VikLayer *vl = VIK_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
replace_iter = &(vl->iter);
g_assert ( vl->realized );
VikLayer *grandpa = (vik_treeview_item_get_parent ( vlp->vt, &(vl->iter) ) );
if (IS_VIK_AGGREGATE_LAYER(grandpa))
addtoagg = VIK_AGGREGATE_LAYER(grandpa);
else {
addtoagg = vlp->toplayer;
replace_iter = &grandpa->iter;
}
}
if ( replace_iter )
vik_aggregate_layer_insert_layer ( addtoagg, l, replace_iter );
else
vik_aggregate_layer_add_layer ( addtoagg, l );
}
vik_layers_panel_emit_update ( vlp );
}
gboolean vik_layers_panel_properties ( VikLayersPanel *vlp )
{
GtkTreeIter iter;
g_assert ( vlp->vvp );
if ( vik_treeview_get_selected_iter ( vlp->vt, &iter ) && vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
if ( vik_treeview_item_get_data ( vlp->vt, &iter ) == VIK_LAYER_AGGREGATE )
a_dialog_info_msg ( VIK_GTK_WINDOW_FROM_WIDGET(vlp), _("Aggregate Layers have no settable properties.") );
VikLayer *layer = VIK_LAYER( vik_treeview_item_get_pointer ( vlp->vt, &iter ) );
if (vik_layer_properties ( layer, vlp->vvp ))
vik_layer_emit_update ( layer, FALSE );
return TRUE;
}
else
return FALSE;
}
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) );
}
}
}
static void layers_move_item ( VikLayersPanel *vlp, gboolean up )
{
GtkTreeIter iter;
VikAggregateLayer *parent;
/* TODO: deactivate the buttons and stuff */
if ( ! vik_treeview_get_selected_iter ( vlp->vt, &iter ) )
return;
vik_treeview_select_iter ( vlp->vt, &iter, FALSE ); /* cancel any layer-name editing going on... */
if ( vik_treeview_item_get_type ( vlp->vt, &iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
parent = VIK_AGGREGATE_LAYER(vik_treeview_item_get_parent ( vlp->vt, &iter ));
if ( parent ) /* not toplevel */
{
vik_aggregate_layer_move_layer ( parent, &iter, up );
vik_layers_panel_emit_update ( vlp );
}
}
}
static void layers_item_edited (VikLayersPanel *vlp, GtkTreeIter *iter, const gchar *new_text)
{
if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
VikLayer *l;
/* get iter and layer */
l = VIK_LAYER ( vik_treeview_item_get_pointer ( vlp->vt, iter ) );
if ( strcmp ( l->name, new_text ) != 0 )
{
vik_layer_rename ( l, new_text );
vik_treeview_item_set_name ( vlp->vt, iter, l->name );
}
}
else
{
const gchar *name = vik_layer_sublayer_rename_request ( vik_treeview_item_get_parent ( vlp->vt, iter ), new_text, vlp, vik_treeview_item_get_data ( vlp->vt, iter ), vik_treeview_item_get_pointer ( vlp->vt, iter ), iter );
if ( name )
vik_treeview_item_set_name ( vlp->vt, iter, name);
}
}
/**
* a_clipboard_copy_selected:
*
* Make a copy of selected object and associate ourselves with the clipboard.
*/
void a_clipboard_copy_selected ( VikLayersPanel *vlp )
{
VikLayer *sel = vik_layers_panel_get_selected ( vlp );
GtkTreeIter iter;
VikClipboardDataType type;
guint16 layer_type = 0;
gint subtype = 0;
guint8 *data = NULL;
guint len;
const gchar *name = NULL;
if ( ! sel )
return;
vik_treeview_get_selected_iter ( sel->vt, &iter );
layer_type = sel->type;
if ( vik_treeview_item_get_type ( sel->vt, &iter ) == VIK_TREEVIEW_TYPE_SUBLAYER ) {
type = VIK_CLIPBOARD_DATA_SUBLAYER;
if ( vik_layer_get_interface(layer_type)->copy_item) {
subtype = vik_treeview_item_get_data(sel->vt, &iter);
vik_layer_get_interface(layer_type)->copy_item(sel, subtype, vik_treeview_item_get_pointer(sel->vt, &iter), &data, &len );
// This name is used in setting the text representation of the item on the clipboard.
name = vik_treeview_item_get_name(sel->vt, &iter);
}
}
else
{
gint ilen;
type = VIK_CLIPBOARD_DATA_LAYER;
vik_layer_marshall ( sel, &data, &ilen );
len = ilen;
name = vik_layer_get_name ( vik_treeview_item_get_pointer(sel->vt, &iter) );
}
if (data) {
a_clipboard_copy( type, layer_type, subtype, len, name, data);
}
}
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) );
}
}
}
static void layers_popup ( VikLayersPanel *vlp, GtkTreeIter *iter, gint mouse_button )
{
GtkMenu *menu = NULL;
if ( iter )
{
if ( vik_treeview_item_get_type ( vlp->vt, iter ) == VIK_TREEVIEW_TYPE_LAYER )
{
VikLayer *layer = VIK_LAYER(vik_treeview_item_get_pointer ( vlp->vt, iter ));
if ( layer->type == VIK_LAYER_AGGREGATE )
menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, "<main>" ));
else
{
GtkWidget *del, *prop;
VikStdLayerMenuItem menu_selection = vik_layer_get_menu_items_selection(layer);
menu = GTK_MENU ( gtk_menu_new () );
if (menu_selection & VIK_MENU_ITEM_PROPERTY) {
prop = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PROPERTIES, NULL );
g_signal_connect_swapped ( G_OBJECT(prop), "activate", G_CALLBACK(vik_layers_panel_properties), vlp );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), prop);
gtk_widget_show ( prop );
}
if (menu_selection & VIK_MENU_ITEM_CUT) {
del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_CUT, NULL );
g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_cut_selected), vlp );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
gtk_widget_show ( del );
}
if (menu_selection & VIK_MENU_ITEM_COPY) {
del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_COPY, NULL );
g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_copy_selected), vlp );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
gtk_widget_show ( del );
}
if (menu_selection & VIK_MENU_ITEM_PASTE) {
del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_PASTE, NULL );
g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_paste_selected), vlp );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
gtk_widget_show ( del );
}
if (menu_selection & VIK_MENU_ITEM_DELETE) {
del = gtk_image_menu_item_new_from_stock ( GTK_STOCK_DELETE, NULL );
g_signal_connect_swapped ( G_OBJECT(del), "activate", G_CALLBACK(vik_layers_panel_delete_selected), vlp );
gtk_menu_shell_append (GTK_MENU_SHELL (menu), del);
gtk_widget_show ( del );
}
vik_layer_add_menu_items ( layer, menu, vlp );
}
}
else
{
menu = GTK_MENU ( gtk_menu_new () );
if ( ! vik_layer_sublayer_add_menu_items ( vik_treeview_item_get_parent ( vlp->vt, iter ), menu, vlp, vik_treeview_item_get_data ( vlp->vt, iter ), vik_treeview_item_get_pointer ( vlp->vt, iter ), iter, vlp->vvp ) )
{
gtk_widget_destroy ( GTK_WIDGET(menu) );
return;
}
/* TODO: specific things for different types */
}
}
else
menu = GTK_MENU(gtk_item_factory_get_widget ( vlp->popup_factory, base_entries[NUM_BASE_ENTRIES-1].path ));
gtk_menu_popup ( menu, NULL, NULL, NULL, NULL, mouse_button, gtk_get_current_event_time() );
}
