/// Remove desktop from list of desktops
void
Editor::removeDesktop (SPDesktop *dt)
{
g_return_if_fail (dt != 0);
g_assert (g_slist_find (_instance->_desktops, dt));
if (dt == _instance->_desktops->data) { // is it the active desktop?
_instance->_desktop_deactivated_signal.emit (dt);
if (_instance->_desktops->next != 0) {
SPDesktop * new_desktop = (SPDesktop *) _instance->_desktops->next->data;
_instance->_desktops = g_slist_remove (_instance->_desktops, new_desktop);
_instance->_desktops = g_slist_prepend (_instance->_desktops, new_desktop);
_instance->_desktop_activated_signal.emit (new_desktop);
_instance->_event_context_set_signal.emit (sp_desktop_event_context (new_desktop));
_instance->_selection_set_signal.emit (sp_desktop_selection (new_desktop));
_instance->_selection_changed_signal.emit (sp_desktop_selection (new_desktop));
} else {
_instance->_event_context_set_signal.emit (0);
if (sp_desktop_selection(dt))
sp_desktop_selection(dt)->clear();
}
}
_instance->_desktops = g_slist_remove (_instance->_desktops, dt);
// if this was the last desktop, shut down the program
if (_instance->_desktops == NULL) {
_instance->_shutdown_signal.emit();
Inkscape::NSApplication::Application::exit();
}
}
/// Add desktop to list of desktops
void
Editor::addDesktop (SPDesktop *dt)
{
g_return_if_fail (dt != 0);
g_assert (!g_slist_find (_instance->_desktops, dt));
_instance->_desktops = g_slist_append (_instance->_desktops, dt);
if (isDesktopActive (dt)) {
_instance->_desktop_activated_signal.emit (dt);
_instance->_event_context_set_signal.emit (sp_desktop_event_context (dt));
_instance->_selection_set_signal.emit (sp_desktop_selection (dt));
_instance->_selection_changed_signal.emit (sp_desktop_selection (dt));
}
}
void
gr_item_activate (GtkMenuItem *menuitem, gpointer data)
{
SPGradient *gr = (SPGradient *) g_object_get_data (G_OBJECT (menuitem), "gradient");
gr = sp_gradient_ensure_vector_normalized(gr);
SPDesktop *desktop = (SPDesktop *) data;
Inkscape::Selection *selection = sp_desktop_selection (desktop);
SPEventContext *ev = sp_desktop_event_context (desktop);
gr_apply_gradient (selection, ev? ev->get_drag() : NULL, gr);
sp_document_done (sp_desktop_document (desktop), SP_VERB_CONTEXT_GRADIENT,
_("Assign gradient to object"));
}
void
Editor::activateDesktop (SPDesktop* dt)
{
g_assert (dt != 0);
if (isDesktopActive (dt))
return;
g_assert (g_slist_find (_instance->_desktops, dt));
SPDesktop *curr = (SPDesktop*)_instance->_desktops->data;
_instance->_desktop_deactivated_signal.emit (curr);
_instance->_desktops = g_slist_remove (_instance->_desktops, dt);
_instance->_desktops = g_slist_prepend (_instance->_desktops, dt);
_instance->_desktop_activated_signal.emit (dt);
_instance->_event_context_set_signal.emit (sp_desktop_event_context(dt));
_instance->_selection_set_signal.emit (sp_desktop_selection(dt));
_instance->_selection_changed_signal.emit (sp_desktop_selection(dt));
}
static void
gr_tb_selection_changed (Inkscape::Selection *, gpointer data)
{
GtkWidget *widget = (GtkWidget *) data;
SPDesktop *desktop = (SPDesktop *) g_object_get_data (G_OBJECT(widget), "desktop");
if (!desktop)
return;
Inkscape::Selection *selection = sp_desktop_selection (desktop); // take from desktop, not from args
if (!selection)
return;
SPEventContext *ev = sp_desktop_event_context (desktop);
GtkWidget *om = (GtkWidget *) g_object_get_data (G_OBJECT (widget), "menu");
if (om) gtk_widget_destroy (om);
SPGradient *gr_selected = NULL;
bool gr_multi = false;
SPGradientSpread spr_selected = (SPGradientSpread) INT_MAX; // meaning undefined
bool spr_multi = false;
gr_read_selection (selection, ev? ev->get_drag() : NULL, &gr_selected, &gr_multi, &spr_selected, &spr_multi);
om = gr_vector_list (desktop, selection->isEmpty(), gr_selected, gr_multi);
g_object_set_data (G_OBJECT (widget), "menu", om);
GtkWidget *buttons = (GtkWidget *) g_object_get_data (G_OBJECT(widget), "buttons");
gtk_widget_set_sensitive (buttons, (gr_selected && !gr_multi));
gtk_box_pack_start (GTK_BOX (widget), om, TRUE, TRUE, 0);
gtk_widget_show_all (widget);
}
GtkWidget *
gr_change_widget (SPDesktop *desktop)
{
Inkscape::Selection *selection = sp_desktop_selection (desktop);
SPDocument *document = sp_desktop_document (desktop);
SPEventContext *ev = sp_desktop_event_context (desktop);
SPGradient *gr_selected = NULL;
bool gr_multi = false;
SPGradientSpread spr_selected = (SPGradientSpread) INT_MAX; // meaning undefined
bool spr_multi = false;
GtkTooltips *tt = gtk_tooltips_new();
gr_read_selection (selection, ev? ev->get_drag() : NULL, &gr_selected, &gr_multi, &spr_selected, &spr_multi);
GtkWidget *widget = gtk_hbox_new(FALSE, FALSE);
gtk_object_set_data(GTK_OBJECT(widget), "dtw", desktop->canvas);
g_object_set_data (G_OBJECT (widget), "desktop", desktop);
GtkWidget *om = gr_vector_list (desktop, selection->isEmpty(), gr_selected, gr_multi);
g_object_set_data (G_OBJECT (widget), "menu", om);
gtk_box_pack_start (GTK_BOX (widget), om, TRUE, TRUE, 0);
{
GtkWidget *buttons = gtk_hbox_new(FALSE, 1);
/* Edit... */
{
GtkWidget *hb = gtk_hbox_new(FALSE, 1);
GtkWidget *b = gtk_button_new_with_label(_("Edit..."));
gtk_tooltips_set_tip(tt, b, _("Edit the stops of the gradient"), NULL);
gtk_widget_show(b);
gtk_container_add(GTK_CONTAINER(hb), b);
gtk_signal_connect(GTK_OBJECT(b), "clicked", GTK_SIGNAL_FUNC(gr_edit), widget);
gtk_box_pack_start (GTK_BOX(buttons), hb, FALSE, FALSE, 0);
}
gtk_box_pack_end (GTK_BOX(widget), buttons, FALSE, FALSE, 0);
g_object_set_data (G_OBJECT(widget), "buttons", buttons);
gtk_widget_set_sensitive (buttons, (gr_selected && !gr_multi));
}
// connect to selection modified and changed signals
sigc::connection *conn1 = new sigc::connection (selection->connectChanged(
sigc::bind (
sigc::ptr_fun(&gr_tb_selection_changed),
(gpointer)widget )
));
sigc::connection *conn2 = new sigc::connection (selection->connectModified(
sigc::bind (
sigc::ptr_fun(&gr_tb_selection_modified),
(gpointer)widget )
));
sigc::connection *conn3 = new sigc::connection (desktop->connectToolSubselectionChanged(
sigc::bind (
sigc::ptr_fun(&gr_drag_selection_changed),
(gpointer)widget )
));
// when widget is destroyed, disconnect
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn1);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn2);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), conn3);
// connect to release and modified signals of the defs (i.e. when someone changes gradient)
sigc::connection *release_connection = new sigc::connection();
*release_connection = SP_DOCUMENT_DEFS(document)->connectRelease(sigc::bind<1>(sigc::ptr_fun(&gr_defs_release), widget));
sigc::connection *modified_connection = new sigc::connection();
*modified_connection = SP_DOCUMENT_DEFS(document)->connectModified(sigc::bind<2>(sigc::ptr_fun(&gr_defs_modified), widget));
// when widget is destroyed, disconnect
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), release_connection);
g_signal_connect(G_OBJECT(widget), "destroy", G_CALLBACK(gr_disconnect_sigc), modified_connection);
gtk_widget_show_all (widget);
return widget;
}
