/**
* 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 );
}
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 );
}
void vik_aggregate_layer_insert_layer ( VikAggregateLayer *val, VikLayer *l, GtkTreeIter *replace_iter )
{
GtkTreeIter iter;
VikLayer *vl = VIK_LAYER(val);
if ( vl->realized )
{
vik_treeview_insert_layer ( vl->vt, &(vl->iter), &iter, l->name, val, l, l->type, l->type, replace_iter );
if ( ! l->visible )
vik_treeview_item_set_visible ( vl->vt, &iter, FALSE );
vik_layer_realize ( l, vl->vt, &iter );
if ( val->children == NULL )
vik_treeview_expand ( vl->vt, &(vl->iter) );
}
if (replace_iter) {
GList *theone = g_list_find ( val->children, vik_treeview_item_get_pointer ( vl->vt, replace_iter ) );
val->children = g_list_insert ( val->children, l, g_list_position(val->children,theone)+1 );
} else {
// Effectively insert at 'end' of the list to match how displayed in the treeview
// - but since it is drawn from 'bottom first' it is actually the first in the child list
// This ordering is especially important if it is a map or similar type,
// which needs be drawn first for the layering draw method to work properly.
// ATM this only happens when a layer is drag/dropped to the end of an aggregate layer
val->children = g_list_prepend ( val->children, l );
}
g_signal_connect_swapped ( G_OBJECT(l), "update", G_CALLBACK(vik_layer_emit_update_secondary), val );
}
gboolean vik_aggregate_layer_delete ( VikAggregateLayer *val, GtkTreeIter *iter )
{
VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(val)->vt, iter ) );
gboolean was_visible = l->visible;
vik_treeview_item_delete ( VIK_LAYER(val)->vt, iter );
aggregate_layer_delete_common ( val, l );
return was_visible;
}
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) );
}
}
}
gboolean vik_aggregate_layer_delete ( VikAggregateLayer *val, GtkTreeIter *iter )
{
VikLayer *l = VIK_LAYER( vik_treeview_item_get_pointer ( VIK_LAYER(val)->vt, iter ) );
gboolean was_visible = l->visible;
vik_treeview_item_delete ( VIK_LAYER(val)->vt, iter );
val->children = g_list_remove ( val->children, l );
g_assert(DISCONNECT_UPDATE_SIGNAL(l,val)==1);
g_object_unref ( l );
return was_visible;
}
/**
* 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);
}
}
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;
}
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 ) );
}
void vik_aggregate_layer_insert_layer ( VikAggregateLayer *val, VikLayer *l, GtkTreeIter *replace_iter )
{
GtkTreeIter iter;
VikLayer *vl = VIK_LAYER(val);
// By default layers are inserted above the selected layer
gboolean put_above = TRUE;
// These types are 'base' types in that you what other information on top
if ( l->type == VIK_LAYER_MAPS || l->type == VIK_LAYER_DEM || l->type == VIK_LAYER_GEOREF )
put_above = FALSE;
if ( vl->realized )
{
vik_treeview_insert_layer ( vl->vt, &(vl->iter), &iter, l->name, val, put_above, l, l->type, l->type, replace_iter );
if ( ! l->visible )
vik_treeview_item_set_visible ( vl->vt, &iter, FALSE );
vik_layer_realize ( l, vl->vt, &iter );
if ( val->children == NULL )
vik_treeview_expand ( vl->vt, &(vl->iter) );
}
if (replace_iter) {
GList *theone = g_list_find ( val->children, vik_treeview_item_get_pointer ( vl->vt, replace_iter ) );
if ( put_above )
val->children = g_list_insert ( val->children, l, g_list_position(val->children,theone)+1 );
else
// Thus insert 'here' (so don't add 1)
val->children = g_list_insert ( val->children, l, g_list_position(val->children,theone) );
} else {
// Effectively insert at 'end' of the list to match how displayed in the treeview
// - but since it is drawn from 'bottom first' it is actually the first in the child list
// This ordering is especially important if it is a map or similar type,
// which needs be drawn first for the layering draw method to work properly.
// ATM this only happens when a layer is drag/dropped to the end of an aggregate layer
val->children = g_list_prepend ( val->children, l );
}
g_signal_connect_swapped ( G_OBJECT(l), "update", G_CALLBACK(vik_layer_emit_update_secondary), val );
}
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);
}
}
void vik_aggregate_layer_move_layer ( VikAggregateLayer *val, GtkTreeIter *child_iter, gboolean up )
{
GList *theone, *first, *second;
VikLayer *vl = VIK_LAYER(val);
vik_treeview_move_item ( vl->vt, child_iter, up );
theone = g_list_find ( val->children, vik_treeview_item_get_pointer ( vl->vt, child_iter ) );
g_assert ( theone != NULL );
/* the old switcheroo */
if ( up && theone->next )
{
first = theone;
second = theone->next;
}
else if ( !up && theone->prev )
{
first = theone->prev;
second = theone;
}
else
return;
first->next = second->next;
second->prev = first->prev;
first->prev = second;
second->next = first;
/* second is now first */
if ( second->prev )
second->prev->next = second;
if ( first->next )
first->next->prev = first;
if ( second->prev == NULL )
val->children = second;
}
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 aggregate_layer_drag_drop_request ( VikAggregateLayer *val_src, VikAggregateLayer *val_dest, GtkTreeIter *src_item_iter, GtkTreePath *dest_path )
{
VikTreeview *vt = VIK_LAYER(val_src)->vt;
VikLayer *vl = vik_treeview_item_get_pointer(vt, src_item_iter);
GtkTreeIter dest_iter;
gchar *dp;
gboolean target_exists;
dp = gtk_tree_path_to_string(dest_path);
target_exists = vik_treeview_get_iter_from_path_str(vt, &dest_iter, dp);
/* vik_aggregate_layer_delete unrefs, but we don't want that here.
* we're still using the layer. */
g_object_ref ( vl );
vik_aggregate_layer_delete(val_src, src_item_iter);
if (target_exists) {
vik_aggregate_layer_insert_layer(val_dest, vl, &dest_iter);
} else {
vik_aggregate_layer_insert_layer(val_dest, vl, NULL); /* append */
}
g_free(dp);
}
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() );
}
