new files for new per-window/action-driven key binding mechanism
git-svn-id: svn://localhost/ardour2/branches/3.0@7553 d708f5d6-7413-0410-9779-e7cbd77b26cf
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349
libs/gtkmm2ext/bindings.cc
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349
libs/gtkmm2ext/bindings.cc
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#include <iostream>
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#include "pbd/xml++.h"
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#include "gtkmm2ext/bindings.h"
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#include "gtkmm2ext/keyboard.h"
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#include "i18n.h"
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using namespace std;
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using namespace Glib;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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string
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KeyboardKey::name () const
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{
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int s = state();
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string str;
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if (s & Keyboard::PrimaryModifier) {
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str += "Primary";
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}
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if (s & Keyboard::SecondaryModifier) {
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if (!str.empty()) {
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str += '-';
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}
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str += "Secondary";
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}
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if (s & Keyboard::TertiaryModifier) {
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if (!str.empty()) {
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str += '-';
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}
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str += "Tertiary";
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}
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if (s & Keyboard::Level4Modifier) {
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if (!str.empty()) {
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str += '-';
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}
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str += "Level4";
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}
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if (!str.empty()) {
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str += '-';
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}
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str += gdk_keyval_name (key());
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return str;
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}
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bool
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KeyboardKey::make_key (const string& str, KeyboardKey& k)
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{
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int s = 0;
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if (str.find ("Primary") != string::npos) {
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s |= Keyboard::PrimaryModifier;
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}
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if (str.find ("Secondary") != string::npos) {
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s |= Keyboard::SecondaryModifier;
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}
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if (str.find ("Tertiary") != string::npos) {
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s |= Keyboard::TertiaryModifier;
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}
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if (str.find ("Level4") != string::npos) {
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s |= Keyboard::Level4Modifier;
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}
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string::size_type lastmod = str.find_last_of ('-');
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guint keyval;
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if (lastmod == string::npos) {
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keyval = gdk_keyval_from_name (str.c_str());
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} else {
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keyval = gdk_keyval_from_name (str.substr (lastmod+1).c_str());
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}
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if (keyval == GDK_VoidSymbol) {
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return false;
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}
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k = KeyboardKey (s, keyval);
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return true;
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}
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Bindings::Bindings ()
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: action_map (0)
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{
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}
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Bindings::~Bindings()
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{
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}
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void
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Bindings::set_action_map (ActionMap& am)
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{
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action_map = &am;
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press_bindings.clear ();
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release_bindings.clear ();
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}
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bool
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Bindings::activate (KeyboardKey kb, KeyboardKey::Operation op)
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{
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KeybindingMap* kbm;
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switch (op) {
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case KeyboardKey::Press:
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kbm = &press_bindings;
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break;
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case KeyboardKey::Release:
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kbm = &release_bindings;
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break;
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}
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KeybindingMap::iterator k = kbm->find (kb);
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if (k == kbm->end()) {
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/* no entry for this key in the state map */
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return false;
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}
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/* lets do it ... */
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cerr << "Firing up " << k->second->get_name() << endl;
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k->second->activate ();
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return true;
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}
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void
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Bindings::add (KeyboardKey kb, KeyboardKey::Operation op, RefPtr<Action> what)
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{
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KeybindingMap* kbm;
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switch (op) {
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case KeyboardKey::Press:
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kbm = &press_bindings;
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break;
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case KeyboardKey::Release:
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kbm = &release_bindings;
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break;
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}
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KeybindingMap::iterator k = kbm->find (kb);
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if (k == kbm->end()) {
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pair<KeyboardKey,RefPtr<Action> > newpair (kb, what);
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kbm->insert (newpair);
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} else {
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k->second = what;
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}
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}
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void
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Bindings::remove (KeyboardKey kb, KeyboardKey::Operation op)
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{
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KeybindingMap* kbm;
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switch (op) {
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case KeyboardKey::Press:
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kbm = &press_bindings;
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break;
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case KeyboardKey::Release:
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kbm = &release_bindings;
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break;
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}
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KeybindingMap::iterator k = kbm->find (kb);
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if (k != kbm->end()) {
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kbm->erase (k);
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}
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}
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bool
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Bindings::save (const string& path)
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{
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XMLTree tree;
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XMLNode* root = new XMLNode (X_("Bindings"));
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tree.set_root (root);
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XMLNode* presses = new XMLNode (X_("Press"));
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root->add_child_nocopy (*presses);
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for (KeybindingMap::iterator k = press_bindings.begin(); k != press_bindings.end(); ++k) {
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XMLNode* child;
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child = new XMLNode (X_("Binding"));
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child->add_property (X_("key"), k->first.name());
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child->add_property (X_("action"), k->second->get_name());
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presses->add_child_nocopy (*child);
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}
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if (!tree.write (path)) {
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::unlink (path.c_str());
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return false;
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}
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return true;
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}
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bool
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Bindings::load (const string& path)
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{
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XMLTree tree;
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if (!action_map) {
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cerr << "No action map to load bindings with!\n";
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return false;
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}
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if (!tree.read (path)) {
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cerr << "Cannot load XML file @ " << path << endl;
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return false;
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}
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press_bindings.clear ();
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release_bindings.clear ();
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XMLNode& root (*tree.root());
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const XMLNodeList& children (root.children());
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cerr << "check the " << children.size() << " children\n";
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for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
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cerr << "child name: " << (*i)->name() << endl;
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if ((*i)->name() == X_("Press") || (*i)->name() == X_("Release")) {
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KeyboardKey::Operation op;
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if ((*i)->name() == X_("Press")) {
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op = KeyboardKey::Press;
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} else {
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op = KeyboardKey::Release;
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}
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const XMLNodeList& gchildren ((*i)->children());
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for (XMLNodeList::const_iterator p = gchildren.begin(); p != gchildren.end(); ++p) {
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XMLProperty* ap;
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XMLProperty* kp;
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ap = (*p)->property ("action");
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kp = (*p)->property ("key");
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if (!ap || !kp) {
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continue;
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}
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cerr << "key = " << kp->value () << " action = " << ap->value() << endl;
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RefPtr<Action> act = action_map->find_action (ap->value());
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if (!act) {
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continue;
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}
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KeyboardKey k;
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if (!KeyboardKey::make_key (kp->value(), k)) {
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continue;
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}
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cerr << "binding " << act->get_name() << " to " << k.name() << endl;
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add (k, op, act);
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}
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}
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}
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return true;
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}
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RefPtr<Action>
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ActionMap::find_action (const string& name)
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{
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_ActionMap::iterator a = actions.find (name);
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if (a != actions.end()) {
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return a->second;
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}
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return RefPtr<Action>();
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}
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RefPtr<Action>
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ActionMap::register_action (const char* path,
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const char* name, const char* label, sigc::slot<void> sl)
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{
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string fullpath;
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RefPtr<Action> act = Action::create (name, label);
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act->signal_activate().connect (sl);
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fullpath = path;
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fullpath += '/';
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fullpath += name;
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actions.insert (_ActionMap::value_type (fullpath, act));
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cerr << "Registered action @ " << fullpath << endl;
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return act;
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}
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RefPtr<Action>
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ActionMap::register_radio_action (const char* path, Gtk::RadioAction::Group& rgroup,
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const char* name, const char* label, sigc::slot<void> sl)
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{
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string fullpath;
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RefPtr<Action> act = RadioAction::create (rgroup, name, label);
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act->signal_activate().connect (sl);
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fullpath = path;
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fullpath += '/';
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fullpath += name;
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actions.insert (_ActionMap::value_type (fullpath, act));
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cerr << "Registered action @ " << fullpath << endl;
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return act;
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}
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RefPtr<Action>
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ActionMap::register_toggle_action (const char*path,
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const char* name, const char* label, sigc::slot<void> sl)
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{
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string fullpath;
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RefPtr<Action> act = ToggleAction::create (name, label);
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act->signal_activate().connect (sl);
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fullpath = path;
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fullpath += '/';
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fullpath += name;
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actions.insert (_ActionMap::value_type (fullpath, act));
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cerr << "Registered action @ " << fullpath << endl;
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return act;
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}
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93
libs/gtkmm2ext/gtkmm2ext/bindings.h
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93
libs/gtkmm2ext/gtkmm2ext/bindings.h
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@ -0,0 +1,93 @@
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#ifndef __libgtkmm2ext_bindings_h__
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#define __libgtkmm2ext_bindings_h__
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#include <map>
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#include <stdint.h>
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#include <gdk/gdkkeysyms.h>
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#include <gtkmm/action.h>
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#include <gtkmm/action.h>
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#include <gtkmm/radioaction.h>
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#include <gtkmm/toggleaction.h>
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namespace Gtkmm2ext {
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class KeyboardKey
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{
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public:
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enum Operation {
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Press,
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Release
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};
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KeyboardKey () {
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_val = GDK_VoidSymbol;
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}
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KeyboardKey (int state, int keycode) {
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_val = state;
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_val <<= 32;
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_val |= keycode;
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};
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int state() const { return _val >> 32; }
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int key() const { return _val & 0xffff; }
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bool operator<(const KeyboardKey& other) const {
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return _val < other._val;
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}
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bool operator==(const KeyboardKey& other) const {
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return _val == other._val;
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}
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std::string name() const;
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static bool make_key (const std::string&, KeyboardKey&);
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private:
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uint64_t _val;
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};
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class ActionMap {
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public:
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ActionMap() {}
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~ActionMap() {}
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Glib::RefPtr<Gtk::Action> register_action (const char* path,
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const char* name, const char* label, sigc::slot<void> sl);
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Glib::RefPtr<Gtk::Action> register_radio_action (const char* path, Gtk::RadioAction::Group&,
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const char* name, const char* label, sigc::slot<void> sl);
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Glib::RefPtr<Gtk::Action> register_toggle_action (const char*path,
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const char* name, const char* label, sigc::slot<void> sl);
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Glib::RefPtr<Gtk::Action> find_action (const std::string& name);
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private:
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typedef std::map<std::string, Glib::RefPtr<Gtk::Action> > _ActionMap;
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_ActionMap actions;
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};
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class Bindings {
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public:
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Bindings();
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~Bindings ();
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void add (KeyboardKey, KeyboardKey::Operation, Glib::RefPtr<Gtk::Action>);
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void remove (KeyboardKey, KeyboardKey::Operation);
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bool activate (KeyboardKey, KeyboardKey::Operation);
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bool load (const std::string& path);
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bool save (const std::string& path);
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void set_action_map (ActionMap&);
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private:
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typedef std::map<KeyboardKey,Glib::RefPtr<Gtk::Action> > KeybindingMap;
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KeybindingMap press_bindings;
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KeybindingMap release_bindings;
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ActionMap* action_map;
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};
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} // namespace
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#endif /* __libgtkmm2ext_bindings_h__ */
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