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livetrax/gtk2_ardour/keyeditor.cc
2016-03-08 08:44:58 -05:00

465 lines
12 KiB
C++

/*
Copyright (C) 2002 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef WAF_BUILD
#include "gtk2ardour-config.h"
#endif
#include <map>
#include <boost/algorithm/string.hpp>
#include <gtkmm/stock.h>
#include <gtkmm/label.h>
#include <gtkmm/accelkey.h>
#include <gtkmm/accelmap.h>
#include <gtkmm/uimanager.h>
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/utils.h"
#include "pbd/strsplit.h"
#include "ardour/filesystem_paths.h"
#include "ardour/profile.h"
#include "actions.h"
#include "keyboard.h"
#include "keyeditor.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gdk;
using namespace PBD;
using Gtkmm2ext::Keyboard;
using Gtkmm2ext::Bindings;
void bindings_collision_dialog (Gtk::Window& parent)
{
ArdourDialog dialog (parent, _("Colliding keybindings"), true);
Label label (_("The key sequence is already bound. Please remove the other binding first."));
dialog.get_vbox()->pack_start (label, true, true);
dialog.add_button (_("Ok"), Gtk::RESPONSE_ACCEPT);
dialog.show_all ();
dialog.run();
}
KeyEditor::KeyEditor ()
: ArdourWindow (_("Key Bindings"))
, unbind_button (_("Remove shortcut"))
, unbind_box (BUTTONBOX_END)
, filter_entry (_("Search..."), true)
, filter_string("")
, sort_column(0)
, sort_type(Gtk::SORT_ASCENDING)
{
notebook.signal_switch_page ().connect (sigc::mem_fun (*this, &KeyEditor::page_change));
vpacker.pack_start (notebook, true, true);
Glib::RefPtr<Gdk::Pixbuf> icon = ARDOUR_UI_UTILS::get_icon ("search");
filter_entry.set_icon_from_pixbuf (icon);
filter_entry.set_icon_tooltip_text (_("Click to reset search string"));
filter_entry.signal_search_string_updated ().connect (sigc::mem_fun (*this, &KeyEditor::search_string_updated));
vpacker.pack_start (filter_entry, false, false);
Label* hint = manage (new Label (_("Select an action, then press the key(s) to (re)set its shortcut")));
hint->show ();
unbind_box.set_spacing (6);
unbind_box.pack_start (*hint, false, true);
unbind_box.pack_start (unbind_button, false, false);
unbind_button.signal_clicked().connect (sigc::mem_fun (*this, &KeyEditor::unbind));
vpacker.pack_start (unbind_box, false, false);
unbind_box.show ();
unbind_button.show ();
reset_button.add (reset_label);
reset_label.set_markup (string_compose ("<span size=\"large\" weight=\"bold\">%1</span>", _("Reset Bindings to Defaults")));
reset_box.pack_start (reset_button, true, false);
reset_box.show ();
reset_button.show ();
reset_label.show ();
reset_button.signal_clicked().connect (sigc::mem_fun (*this, &KeyEditor::reset));
vpacker.pack_start (reset_box, false, false);
add (vpacker);
unbind_button.set_sensitive (false);
}
void
KeyEditor::add_tab (string const & name, Bindings& bindings)
{
Tab* t = new Tab (*this, name, &bindings);
t->populate ();
t->show_all ();
notebook.append_page (*t, name);
}
void
KeyEditor::unbind ()
{
current_tab()->unbind ();
}
void
KeyEditor::page_change (GtkNotebookPage*, guint)
{
current_tab()->view.get_selection()->unselect_all ();
unbind_button.set_sensitive (false);
}
bool
KeyEditor::Tab::on_key_press_event (GdkEventKey* ev)
{
if (!ev->is_modifier) {
last_keyval = ev->keyval;
}
/* Don't let anything else handle the key press, because navigation
* keys will be used by GTK to change the selection/treeview cursor
* position
*/
return true;
}
bool
KeyEditor::Tab::on_key_release_event (GdkEventKey* ev)
{
if (last_keyval == 0) {
return false;
}
owner.current_tab()->bind (ev, last_keyval);
last_keyval = 0;
return true;
}
KeyEditor::Tab::Tab (KeyEditor& ke, string const & str, Bindings* b)
: owner (ke)
, name (str)
, bindings (b)
, last_keyval (0)
{
data_model = TreeStore::create(columns);
populate ();
filter = TreeModelFilter::create(data_model);
filter->set_visible_func (sigc::mem_fun (*this, &Tab::visible_func));
sorted_filter = TreeModelSort::create(filter);
view.set_model (sorted_filter);
view.append_column (_("Action"), columns.name);
view.append_column (_("Shortcut"), columns.binding);
view.set_headers_visible (true);
view.set_headers_clickable (true);
view.get_selection()->set_mode (SELECTION_SINGLE);
view.set_reorderable (false);
view.set_size_request (500,300);
view.set_enable_search (false);
view.set_rules_hint (true);
view.set_name (X_("KeyEditorTree"));
view.signal_cursor_changed().connect (sigc::mem_fun (*this, &Tab::action_selected));
view.get_column(0)->set_sort_column (columns.name);
view.get_column(1)->set_sort_column (columns.binding);
data_model->set_sort_column (owner.sort_column, owner.sort_type);
data_model->signal_sort_column_changed().connect (sigc::mem_fun (*this, &Tab::sort_column_changed));
signal_map().connect (sigc::mem_fun (*this, &Tab::tab_mapped));
scroller.add (view);
scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
set_spacing (6);
set_border_width (12);
pack_start (scroller);
}
void
KeyEditor::Tab::action_selected ()
{
if (view.get_selection()->count_selected_rows() == 0) {
return;
}
TreeModel::const_iterator it = view.get_selection()->get_selected();
if (!it) {
return;
}
if (!(*it)[columns.bindable]) {
owner.unbind_button.set_sensitive (false);
return;
}
const string& binding = (*it)[columns.binding];
if (!binding.empty()) {
owner.unbind_button.set_sensitive (true);
}
}
void
KeyEditor::Tab::unbind ()
{
const std::string& action_path = (*view.get_selection()->get_selected())[columns.path];
TreeModel::iterator it = find_action_path (data_model->children().begin(), data_model->children().end(), action_path);
if (!it || !(*it)[columns.bindable]) {
return;
}
bindings->remove (Gtkmm2ext::Bindings::Press, action_path , true);
(*it)[columns.binding] = string ();
owner.unbind_button.set_sensitive (false);
}
void
KeyEditor::Tab::bind (GdkEventKey* release_event, guint pressed_key)
{
const std::string& action_path = (*view.get_selection()->get_selected())[columns.path];
TreeModel::iterator it = find_action_path (data_model->children().begin(), data_model->children().end(), action_path);
/* pressed key could be upper case if Shift was used. We want all
single keys stored as their lower-case version, so ensure this
*/
pressed_key = gdk_keyval_to_lower (pressed_key);
if (!it || !(*it)[columns.bindable]) {
return;
}
GdkModifierType mod = (GdkModifierType)(Keyboard::RelevantModifierKeyMask & release_event->state);
Gtkmm2ext::KeyboardKey new_binding (mod, pressed_key);
if (bindings->is_bound (new_binding, Gtkmm2ext::Bindings::Press)) {
bindings_collision_dialog (owner);
return;
}
bool result = bindings->replace (new_binding, Gtkmm2ext::Bindings::Press, action_path);
if (result) {
(*it)[columns.binding] = gtk_accelerator_get_label (new_binding.key(), (GdkModifierType) new_binding.state());
owner.unbind_button.set_sensitive (true);
}
}
void
KeyEditor::Tab::populate ()
{
vector<string> paths;
vector<string> labels;
vector<string> tooltips;
vector<string> keys;
vector<Glib::RefPtr<Action> > actions;
typedef std::map<string,TreeIter> NodeMap;
NodeMap nodes;
NodeMap::iterator r;
bindings->get_all_actions (paths, labels, tooltips, keys, actions);
vector<string>::iterator k;
vector<string>::iterator p;
vector<string>::iterator t;
vector<string>::iterator l;
vector<Glib::RefPtr<Action> >::iterator a;
data_model->clear ();
for (a = actions.begin(), l = labels.begin(), k = keys.begin(), p = paths.begin(), t = tooltips.begin(); l != labels.end(); ++k, ++p, ++t, ++l, ++a) {
TreeModel::Row row;
vector<string> parts;
split (*p, parts, '/');
string category = parts[1];
string action_name = parts[2];
if (action_name.empty()) {
continue;
}
//kinda kludgy way to avoid displaying menu items as mappable
if ((action_name.find ("Menu") == action_name.length() - 4) ||
(action_name.find ("menu") == action_name.length() - 4) ||
(action_name == _("RegionList"))) {
continue;
}
if ((r = nodes.find (category)) == nodes.end()) {
/* category/group is missing, so add it first */
TreeIter rowp;
TreeModel::Row parent;
rowp = data_model->append();
nodes[category] = rowp;
parent = *(rowp);
parent[columns.name] = category;
parent[columns.bindable] = false;
parent[columns.action] = *a;
/* now set up the child row that we're about to fill
* out with information
*/
row = *(data_model->append (parent.children()));
} else {
/* category/group is present, so just add the child row */
row = *(data_model->append ((*r->second)->children()));
}
/* add this action */
/* use the "visible label" as the action name */
if (l->empty ()) {
/* no label, try using the tooltip instead */
row[columns.name] = *t;
} else {
row[columns.name] = *l;
}
row[columns.path] = string_compose ("%1/%2", category, action_name);
row[columns.bindable] = true;
if (*k == ActionManager::unbound_string) {
row[columns.binding] = string();
} else {
row[columns.binding] = *k;
}
row[columns.action] = *a;
}
}
void
KeyEditor::Tab::sort_column_changed ()
{
int column;
SortType type;
if (data_model->get_sort_column_id (column, type)) {
owner.sort_column = column;
owner.sort_type = type;
}
}
void
KeyEditor::Tab::tab_mapped ()
{
data_model->set_sort_column (owner.sort_column, owner.sort_type);
filter->refilter ();
}
bool
KeyEditor::Tab::visible_func(const Gtk::TreeModel::const_iterator& iter) const
{
if (!iter) {
return false;
}
// never filter when search string is empty or item is a category
if (owner.filter_string.empty () || !(*iter)[columns.bindable]) {
return true;
}
// search name
std::string name = (*iter)[columns.name];
boost::to_lower (name);
if (name.find (owner.filter_string) != std::string::npos) {
return true;
}
// search binding
std::string binding = (*iter)[columns.binding];
boost::to_lower (binding);
if (binding.find (owner.filter_string) != std::string::npos) {
return true;
}
return false;
}
TreeModel::iterator
KeyEditor::Tab::find_action_path (TreeModel::const_iterator begin, TreeModel::const_iterator end, const std::string& action_path) const
{
if (!begin) {
return end;
}
for (TreeModel::iterator it = begin; it != end; ++it) {
if (it->children()) {
TreeModel::iterator jt = find_action_path (it->children().begin(), it->children().end(), action_path);
if (jt != it->children().end()) {
return jt;
}
}
const std::string& path = (*it)[columns.path];
if (action_path.compare(path) == 0) {
return it;
}
}
return end;
}
void
KeyEditor::reset ()
{
Keyboard::the_keyboard().reset_bindings ();
for (Tabs::iterator t = tabs.begin(); t != tabs.end(); ++t) {
(*t)->view.get_selection()->unselect_all ();
(*t)->populate ();
}
}
KeyEditor::Tab*
KeyEditor::current_tab ()
{
return dynamic_cast<Tab*> (notebook.get_nth_page (notebook.get_current_page()));
}
void
KeyEditor::search_string_updated (const std::string& filter)
{
filter_string = boost::to_lower_copy(filter);
current_tab ()->filter->refilter ();
}