2 Copyright (C) 2000-2004 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <sigc++/bind.h>
24 #include <gtkmm/accelmap.h>
26 #include <pbd/lockmonitor.h>
27 #include <gtkmm2ext/gtk_ui.h>
28 #include <gtkmm2ext/utils.h>
29 #include <gtkmm2ext/stop_signal.h>
31 #include <ardour/audioengine.h>
32 #include <ardour/session.h>
33 #include <ardour/session_route.h>
34 #include <ardour/diskstream.h>
35 #include <ardour/plugin_manager.h>
38 #include "mixer_strip.h"
39 #include "plugin_selector.h"
40 #include "ardour_ui.h"
44 #include "gui_thread.h"
48 using namespace ARDOUR;
51 using namespace Gtkmm2ext;
54 Mixer_UI::Mixer_UI (AudioEngine& eng)
55 : Window (Gtk::WINDOW_TOPLEVEL),
61 XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
64 scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
65 scroller_base.set_name ("MixerWindow");
66 scroller_base.signal_button_release_event().connect (mem_fun(*this, &Mixer_UI::strip_scroller_button_release));
67 // add as last item of strip packer
68 strip_packer.pack_end (scroller_base, true, true);
70 scroller.add (strip_packer);
71 scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
73 track_display_model = ListStore::create (track_display_columns);
74 track_display.set_model (track_display_model);
75 track_display.append_column (_("Strips"), track_display_columns.text);
76 track_display.set_name (X_("MixerTrackDisplayList"));
77 track_display.get_selection()->set_mode (Gtk::SELECTION_MULTIPLE);
78 track_display.set_reorderable (true);
79 track_display.set_size_request (75, -1);
80 track_display.set_headers_visible (true);
81 track_display.set_headers_clickable (true);
82 track_display_scroller.add (track_display);
83 track_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
85 group_display_model = ListStore::create (group_display_columns);
86 group_display.set_model (group_display_model);
87 group_display.append_column (_("active"), group_display_columns.active);
88 group_display.append_column (_("groupname"), group_display_columns.text);
89 group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
90 group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
92 /* use checkbox for the active column */
94 CellRendererToggle *active_cell = dynamic_cast<CellRendererToggle*>(group_display.get_column_cell_renderer (0));
95 active_cell->property_activatable() = true;
96 active_cell->property_radio() = false;
98 group_display.set_name ("MixerGroupList");
99 group_display.set_reorderable (true);
100 group_display.set_size_request (true);
101 group_display_scroller.add (group_display);
102 group_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
104 group_display_vbox.pack_start (group_display_button, false, false);
105 group_display_vbox.pack_start (group_display_scroller, true, true);
107 track_display_frame.set_name("BaseFrame");
108 track_display_frame.set_shadow_type (Gtk::SHADOW_IN);
109 track_display_frame.add(track_display_scroller);
111 group_display_frame.set_name ("BaseFrame");
112 group_display_frame.set_shadow_type (Gtk::SHADOW_IN);
113 group_display_frame.add (group_display_vbox);
115 rhs_pane1.add1 (track_display_frame);
116 rhs_pane1.add2 (group_display_frame);
118 list_vpacker.pack_start (rhs_pane1, true, true);
120 global_hpacker.pack_start (scroller, true, true);
121 global_hpacker.pack_start (out_packer, false, false);
123 list_hpane.add1(list_vpacker);
124 list_hpane.add2(global_hpacker);
126 rhs_pane1.signal_size_allocate().connect (bind (mem_fun(*this, &Mixer_UI::pane_allocation_handler),
127 static_cast<Gtk::Paned*> (&rhs_pane1)));
128 list_hpane.signal_size_allocate().connect (bind (mem_fun(*this, &Mixer_UI::pane_allocation_handler),
129 static_cast<Gtk::Paned*> (&list_hpane)));
132 rhs_pane1.set_data ("collapse-direction", (gpointer) 0);
133 list_hpane.set_data ("collapse-direction", (gpointer) 1);
135 rhs_pane1.signal_button_release_event().connect (bind (ptr_fun (pane_handler), static_cast<Paned*>(&rhs_pane1)));
136 list_hpane.signal_button_release_event().connect (bind (ptr_fun (pane_handler), static_cast<Paned*>(&list_hpane)));
138 global_vpacker.pack_start (list_hpane, true, true);
140 add (global_vpacker);
141 set_name ("MixerWindow");
142 set_title (_("ardour: mixer"));
143 set_wmclass (_("ardour_mixer"), "Ardour");
145 add_accel_group (ActionManager::ui_manager->get_accel_group());
147 signal_delete_event().connect (bind (ptr_fun (just_hide_it), static_cast<Gtk::Window *>(this)));
148 add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
150 track_display.get_selection()->signal_changed().connect (mem_fun(*this, &Mixer_UI::track_display_selection_changed));
151 reorder_connection = track_display_model->signal_rows_reordered().connect (mem_fun (*this, &Mixer_UI::track_display_reordered_proxy));
153 group_display.signal_button_press_event().connect (mem_fun (*this, &Mixer_UI::group_display_button_press));
154 group_display.get_selection()->signal_changed().connect (mem_fun (*this, &Mixer_UI::group_display_selection_changed));
156 _plugin_selector = new PluginSelector (PluginManager::the_manager());
158 signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
160 _selection.RoutesChanged.connect (mem_fun(*this, &Mixer_UI::follow_strip_selection));
163 Mixer_UI::~Mixer_UI ()
168 Mixer_UI::ensure_float (Window& win)
170 win.set_transient_for (*this);
174 Mixer_UI::show_window ()
178 /* now reset each strips width so the right widgets are shown */
181 TreeModel::Children rows = track_display_model->children();
182 TreeModel::Children::iterator ri;
184 for (ri = rows.begin(); ri != rows.end(); ++ri) {
185 ms = (*ri)[track_display_columns.strip];
186 ms->set_width (ms->get_width());
191 Mixer_UI::add_strip (Route* route)
193 ENSURE_GUI_THREAD(bind (mem_fun(*this, &Mixer_UI::add_strip), route));
197 if (route->hidden()) {
201 strip = new MixerStrip (*this, *session, *route);
202 strips.push_back (strip);
204 strip->set_width (_strip_width);
207 reorder_connection.block();
209 TreeModel::Row row = *(track_display_model->append());
210 row[track_display_columns.text] = route->name();
211 row[track_display_columns.route] = route;
212 row[track_display_columns.strip] = strip;
214 reorder_connection.unblock();
216 // if (strip->marked_for_display() || strip->packed()) {
217 // track_display.get_selection()->select (row);
220 route->name_changed.connect (bind (mem_fun(*this, &Mixer_UI::strip_name_changed), strip));
221 strip->GoingAway.connect (bind (mem_fun(*this, &Mixer_UI::remove_strip), strip));
223 strip->signal_button_release_event().connect (bind (mem_fun(*this, &Mixer_UI::strip_button_release_event), strip));
225 // if (width() < gdk_screen_width()) {
226 // set_size_request (width() + (_strip_width == Wide ? 75 : 50), height());
231 Mixer_UI::remove_strip (MixerStrip* strip)
233 ENSURE_GUI_THREAD(bind (mem_fun(*this, &Mixer_UI::remove_strip), strip));
235 TreeModel::Children rows = track_display_model->children();
236 TreeModel::Children::iterator ri;
237 list<MixerStrip *>::iterator i;
239 if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
243 for (ri = rows.begin(); ri != rows.end(); ++ri) {
244 if ((*ri)[track_display_columns.strip] == strip) {
245 track_display_model->erase (ri);
252 Mixer_UI::follow_strip_selection ()
254 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
255 (*i)->set_selected (_selection.selected (&(*i)->route()));
260 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
262 if (ev->button == 1) {
264 /* this allows the user to click on the strip to terminate comment
265 editing. XXX it needs improving so that we don't select the strip
269 if (_selection.selected (&strip->route())) {
270 _selection.remove (&strip->route());
272 if (Keyboard::modifier_state_equals (ev->state, Keyboard::Shift)) {
273 _selection.add (&strip->route());
275 _selection.set (&strip->route());
284 Mixer_UI::connect_to_session (Session* sess)
288 string wintitle = _("ardour: mixer: ");
289 wintitle += session->name();
290 set_title (wintitle);
292 // GTK2FIX: do we really need to do this?
293 // track_display.set_model (RefPtr<TreeStore>(0));
294 track_display_model->clear ();
295 session->foreach_route (this, &Mixer_UI::add_strip);
296 // track_display.set_model (track_display_model);
298 session->going_away.connect (mem_fun(*this, &Mixer_UI::disconnect_from_session));
299 session->RouteAdded.connect (mem_fun(*this, &Mixer_UI::add_strip));
300 session->mix_group_added.connect (mem_fun(*this, &Mixer_UI::add_mix_group));
302 session->foreach_mix_group(this, &Mixer_UI::add_mix_group);
304 _plugin_selector->set_session (session);
310 Mixer_UI::disconnect_from_session ()
312 ENSURE_GUI_THREAD(mem_fun(*this, &Mixer_UI::disconnect_from_session));
314 group_display_model->clear ();
315 set_title (_("ardour: mixer"));
317 hide_all_strips (false);
321 Mixer_UI::hide_all_strips (bool with_select)
323 TreeModel::Children rows = track_display_model->children();
324 TreeModel::Children::iterator i;
327 // track_display_list.freeze ();
329 for (i = rows.begin(); i != rows.end(); ++i) {
331 TreeModel::Row row = (*i);
332 MixerStrip* ms = row[track_display_columns.strip];
335 track_display.get_selection()->unselect (i);
341 // track_display_list.thaw ();
345 Mixer_UI::unselect_all_strips ()
347 hide_all_strips (false);
351 Mixer_UI::select_all_strips ()
353 TreeModel::Children rows = track_display_model->children();
354 TreeModel::Children::iterator i;
356 for (i = rows.begin(); i != rows.end(); ++i) {
357 track_display.get_selection()->select (i);
362 Mixer_UI::strip_select_op (bool audiotrack, bool select)
365 TreeModel::Children rows = track_display_model->children();
366 TreeModel::Children::iterator i;
369 // track_display_list.freeze ();
371 for (i = rows.begin(); i != rows.end(); ++i) {
372 ms = (*i)[track_display_columns.strip];
374 if (ms->is_audio_track() == audiotrack) {
376 track_display.get_selection()->select (i);
378 track_display.get_selection()->unselect (i);
383 // track_display_list.thaw ();
387 Mixer_UI::select_all_audiotrack_strips ()
389 strip_select_op (true, true);
392 Mixer_UI::unselect_all_audiotrack_strips ()
394 strip_select_op (true, false);
398 Mixer_UI::select_all_audiobus_strips ()
400 strip_select_op (false, true);
404 Mixer_UI::unselect_all_audiobus_strips ()
406 strip_select_op (false, false);
410 Mixer_UI::show_strip (MixerStrip* ms)
414 if (ms->route().master() || ms->route().control()) {
415 out_packer.pack_start (*ms, false, false);
417 strip_packer.pack_start (*ms, false, false);
419 ms->set_packed (true);
425 Mixer_UI::hide_strip (MixerStrip* ms)
428 if (ms->route().master() || ms->route().control()) {
429 out_packer.remove (*ms);
431 strip_packer.remove (*ms);
433 ms->set_packed (false);
438 Mixer_UI::start_updating ()
440 screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect (mem_fun(*this, &Mixer_UI::update_strips));
441 fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (mem_fun(*this, &Mixer_UI::fast_update_strips));
446 Mixer_UI::stop_updating ()
448 screen_update_connection.disconnect();
449 fast_screen_update_connection.disconnect();
454 Mixer_UI::update_strips ()
456 if (is_mapped () && session) {
457 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
464 Mixer_UI::fast_update_strips ()
466 if (is_mapped () && session) {
467 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
468 (*i)->fast_update ();
474 Mixer_UI::track_display_selection_changed ()
477 TreeModel::Children rows = track_display_model->children();
478 TreeModel::Children::iterator i;
479 Glib::RefPtr<TreeSelection> selection = track_display.get_selection();
481 for (i = rows.begin(); i != rows.end(); ++i) {
482 if (selection->is_selected (i)) {
483 strip = (*i)[track_display_columns.strip];
484 strip->set_marked_for_display (true);
487 strip = (*i)[track_display_columns.strip];
488 strip->set_marked_for_display (false);
493 track_display_reordered ();
497 Mixer_UI::select_strip_op (MixerStrip *strip, bool yn)
499 TreeModel::Children rows = track_display_model->children();
500 TreeModel::Children::iterator i;
501 Glib::RefPtr<TreeSelection> selection = track_display.get_selection();
503 for (i = rows.begin(); i != rows.end(); ++i) {
504 if ((*i)[track_display_columns.strip] == strip) {
506 selection->select (*i);
508 selection->unselect (*i);
516 Mixer_UI::unselect_strip_in_display (MixerStrip *strip)
518 select_strip_op (strip, true);
521 Mixer_UI::select_strip_in_display (MixerStrip *strip)
523 select_strip_op (strip, false);
527 Mixer_UI::track_display_reordered_proxy (const TreeModel::Path& path, const TreeModel::iterator& i, int* n)
529 track_display_reordered ();
533 Mixer_UI::track_display_reordered ()
535 TreeModel::Children rows = track_display_model->children();
536 TreeModel::Children::iterator i;
539 for (order = 0, i = rows.begin(); i != rows.end(); ++i, ++order) {
540 MixerStrip* strip = (*i)[track_display_columns.strip];
542 if (strip->marked_for_display()) {
543 strip->route().set_order_key (N_("signal"), order);
544 if (strip->packed()) {
545 cerr << "reorder strip @ " << strip << endl;
546 strip_packer.reorder_child (*strip, -1); /* put at end */
553 Mixer_UI::track_column_click (gint col)
555 if (track_menu == 0) {
559 track_menu->popup (0, 0);
563 Mixer_UI::build_track_menu ()
565 using namespace Menu_Helpers;
568 track_menu = new Menu;
569 track_menu->set_name ("ArdourContextMenu");
570 MenuList& items = track_menu->items();
571 track_menu->set_name ("ArdourContextMenu");
573 items.push_back (MenuElem (_("Show All"), mem_fun(*this, &Mixer_UI::select_all_strips)));
574 items.push_back (MenuElem (_("Hide All"), mem_fun(*this, &Mixer_UI::unselect_all_strips)));
575 items.push_back (MenuElem (_("Show All AudioTrack MixerStrips"), mem_fun(*this, &Mixer_UI::select_all_audiotrack_strips)));
576 items.push_back (MenuElem (_("Hide All AudioTrack MixerStrips"), mem_fun(*this, &Mixer_UI::unselect_all_audiotrack_strips)));
577 items.push_back (MenuElem (_("Show All AudioBus MixerStrips"), mem_fun(*this, &Mixer_UI::select_all_audiobus_strips)));
578 items.push_back (MenuElem (_("Hide All AudioBus MixerStrips"), mem_fun(*this, &Mixer_UI::unselect_all_audiobus_strips)));
583 Mixer_UI::strip_name_changed (void* src, MixerStrip* mx)
585 ENSURE_GUI_THREAD(bind (mem_fun(*this, &Mixer_UI::strip_name_changed), src, mx));
587 TreeModel::Children rows = track_display_model->children();
588 TreeModel::Children::iterator i;
590 for (i = rows.begin(); i != rows.end(); ++i) {
591 if ((*i)[track_display_columns.strip] == mx) {
592 (*i)[track_display_columns.text] = mx->route().name();
597 error << _("track display list item for renamed strip not found!") << endmsg;
601 Mixer_UI::new_mix_group ()
603 ArdourPrompter prompter;
606 prompter.set_prompt (_("Name for new mix group"));
607 prompter.show_all ();
609 switch (prompter.run ()) {
610 case GTK_RESPONSE_ACCEPT:
611 prompter.get_result (result);
612 if (result.length()) {
613 session->add_mix_group (result);
621 //Mixer_UI::group_display_button_clicked ()
629 Mixer_UI::group_display_button_press (GdkEventButton* ev)
634 TreeModel::Path path;
635 TreeViewColumn* column;
639 if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
643 switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
645 /* active column click */
647 if ((iter = group_display_model->get_iter (path))) {
648 /* path points to a valid node */
649 if ((group = (*iter)[group_display_columns.group]) != 0) {
650 group->set_active (!group->is_active (), this);
656 if (Keyboard::is_edit_event (ev)) {
657 // RouteGroup* group = (RouteGroup *) group_display.row(row).get_data ();
658 // edit_mix_group (group);
661 /* allow regular select to occur */
671 Mixer_UI::group_display_selection_changed ()
673 TreeModel::iterator i;
674 TreeModel::Children rows = group_display_model->children();
675 Glib::RefPtr<TreeSelection> selection = group_display.get_selection();
677 for (i = rows.begin(); i != rows.end(); ++i) {
680 group = (*i)[group_display_columns.group];
682 if (selection->is_selected (i)) {
683 group->set_hidden (true, this);
685 group->set_hidden (true, this);
689 track_display_reordered ();
693 Mixer_UI::group_flags_changed (void* src, RouteGroup* group)
695 ENSURE_GUI_THREAD(bind (mem_fun(*this, &Mixer_UI::group_flags_changed), src, group));
701 TreeModel::Children rows = group_display_model->children();
702 TreeModel::Children::iterator gi;
703 TreeModel::Children::iterator ti;
705 for (gi = rows.begin(); gi != rows.end(); ++gi) {
706 if ((*gi)[group_display_columns.group] == group) {
711 if (gi == rows.end()) {
715 rows = track_display_model->children();
717 for (list<MixerStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
718 if ((*i)->route().mix_group() == group) {
719 if (group->is_hidden ()) {
720 unselect_strip_in_display(*i);
721 group_display.get_selection()->unselect (*gi);
723 select_strip_in_display(*i);
724 group_display.get_selection()->select (*gi);
731 Mixer_UI::add_mix_group (RouteGroup* group)
734 ENSURE_GUI_THREAD(bind (mem_fun(*this, &Mixer_UI::add_mix_group), group));
736 TreeModel::Row row = *(group_display_model->append());
737 row[group_display_columns.active] = group->is_active();
738 row[group_display_columns.text] = group->name();
739 row[group_display_columns.group] = group;
741 group->FlagsChanged.connect (bind (mem_fun(*this, &Mixer_UI::group_flags_changed), group));
745 Mixer_UI::strip_scroller_button_release (GdkEventButton* ev)
747 using namespace Menu_Helpers;
749 if (Keyboard::is_context_menu_event (ev)) {
750 ARDOUR_UI::instance()->add_route();
758 Mixer_UI::set_strip_width (Width w)
762 for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
769 Mixer_UI::set_state (const XMLNode& node)
771 const XMLProperty* prop;
773 int x, y, width, height, xoff, yoff;
775 if ((geometry = find_named_node (node, "geometry")) == 0) {
777 width = default_width;
778 height = default_height;
786 width = atoi(geometry->property("x_size")->value().c_str());
787 height = atoi(geometry->property("y_size")->value().c_str());
788 x = atoi(geometry->property("x_pos")->value().c_str());
789 y = atoi(geometry->property("y_pos")->value().c_str());
790 xoff = atoi(geometry->property("x_off")->value().c_str());
791 yoff = atoi(geometry->property("y_off")->value().c_str());
794 set_default_size(width, height);
796 // set_uposition(x, y-yoff);
798 if ((prop = node.property ("narrow-strips"))) {
799 if (prop->value() == "yes") {
800 set_strip_width (Narrow);
802 set_strip_width (Wide);
810 Mixer_UI::get_state (void)
812 XMLNode* node = new XMLNode ("Mixer");
815 Glib::RefPtr<Gdk::Window> win = get_window();
817 int x, y, xoff, yoff, width, height;
818 win->get_root_origin(x, y);
819 win->get_position(xoff, yoff);
820 win->get_size(width, height);
822 XMLNode* geometry = new XMLNode ("geometry");
824 snprintf(buf, sizeof(buf), "%d", width);
825 geometry->add_property(X_("x_size"), string(buf));
826 snprintf(buf, sizeof(buf), "%d", height);
827 geometry->add_property(X_("y_size"), string(buf));
828 snprintf(buf, sizeof(buf), "%d", x);
829 geometry->add_property(X_("x_pos"), string(buf));
830 snprintf(buf, sizeof(buf), "%d", y);
831 geometry->add_property(X_("y_pos"), string(buf));
832 snprintf(buf, sizeof(buf), "%d", xoff);
833 geometry->add_property(X_("x_off"), string(buf));
834 snprintf(buf, sizeof(buf), "%d", yoff);
835 geometry->add_property(X_("y_off"), string(buf));
837 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&rhs_pane1)->gobj()));
838 geometry->add_property(X_("mixer_rhs_pane1_pos"), string(buf));
839 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&list_hpane)->gobj()));
840 geometry->add_property(X_("mixer_list_hpane_pos"), string(buf));
842 node->add_child_nocopy (*geometry);
845 node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
852 Mixer_UI::pane_allocation_handler (Allocation& alloc, Gtk::Paned* which)
855 XMLProperty* prop = 0;
857 XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
860 static int32_t done[3] = { 0, 0, 0 };
862 if ((geometry = find_named_node (*node, "geometry")) == 0) {
863 width = default_width;
864 height = default_height;
866 width = atoi(geometry->property("x_size")->value());
867 height = atoi(geometry->property("y_size")->value());
870 if (which == static_cast<Gtk::Paned*> (&rhs_pane1)) {
876 if (!geometry || (prop = geometry->property("mixer_rhs_pane1_pos")) == 0) {
878 snprintf (buf, sizeof(buf), "%d", pos);
880 pos = atoi (prop->value());
883 if ((done[0] = GTK_WIDGET(rhs_pane1.gobj())->allocation.height > pos)) {
884 rhs_pane1.set_position (pos);
887 } else if (which == static_cast<Gtk::Paned*> (&list_hpane)) {
893 if (!geometry || (prop = geometry->property("mixer_list_hpane_pos")) == 0) {
895 snprintf (buf, sizeof(buf), "%d", pos);
897 pos = atoi (prop->value());
900 if ((done[2] = GTK_WIDGET(list_hpane.gobj())->allocation.width > pos)) {
901 list_hpane.set_position (pos);