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livetrax/libs/gtkmm2ext/bindings.cc

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#include <iostream>
#include "pbd/xml++.h"
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/keyboard.h"
#include "i18n.h"
using namespace std;
using namespace Glib;
using namespace Gtk;
using namespace Gtkmm2ext;
uint32_t KeyboardKey::_ignored_state = 0;
KeyboardKey::KeyboardKey (uint32_t state, uint32_t keycode)
{
uint32_t ignore = _ignored_state;
if (gdk_keyval_is_upper (keycode) && gdk_keyval_is_lower (keycode)) {
/* key is not subject to case, so ignore SHIFT
*/
ignore |= GDK_SHIFT_MASK;
}
_val = (state & ~ignore);
_val <<= 32;
_val |= keycode;
};
string
KeyboardKey::name () const
{
int s = state();
string str;
if (s & Keyboard::PrimaryModifier) {
str += "Primary";
}
if (s & Keyboard::SecondaryModifier) {
if (!str.empty()) {
str += '-';
}
str += "Secondary";
}
if (s & Keyboard::TertiaryModifier) {
if (!str.empty()) {
str += '-';
}
str += "Tertiary";
}
if (s & Keyboard::Level4Modifier) {
if (!str.empty()) {
str += '-';
}
str += "Level4";
}
if (!str.empty()) {
str += '-';
}
str += gdk_keyval_name (key());
return str;
}
bool
KeyboardKey::make_key (const string& str, KeyboardKey& k)
{
int s = 0;
if (str.find ("Primary") != string::npos) {
s |= Keyboard::PrimaryModifier;
}
if (str.find ("Secondary") != string::npos) {
s |= Keyboard::SecondaryModifier;
}
if (str.find ("Tertiary") != string::npos) {
s |= Keyboard::TertiaryModifier;
}
if (str.find ("Level4") != string::npos) {
s |= Keyboard::Level4Modifier;
}
string::size_type lastmod = str.find_last_of ('-');
guint keyval;
if (lastmod == string::npos) {
keyval = gdk_keyval_from_name (str.c_str());
} else {
keyval = gdk_keyval_from_name (str.substr (lastmod+1).c_str());
}
if (keyval == GDK_VoidSymbol) {
return false;
}
k = KeyboardKey (s, keyval);
return true;
}
Bindings::Bindings ()
: action_map (0)
{
}
Bindings::~Bindings()
{
}
void
Bindings::set_action_map (ActionMap& am)
{
action_map = &am;
press_bindings.clear ();
release_bindings.clear ();
}
bool
Bindings::activate (KeyboardKey kb, KeyboardKey::Operation op)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
kbm = &release_bindings;
break;
}
KeybindingMap::iterator k = kbm->find (kb);
if (k == kbm->end()) {
/* no entry for this key in the state map */
return false;
}
/* lets do it ... */
k->second->activate ();
return true;
}
void
Bindings::add (KeyboardKey kb, KeyboardKey::Operation op, RefPtr<Action> what)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
kbm = &release_bindings;
break;
}
KeybindingMap::iterator k = kbm->find (kb);
if (k == kbm->end()) {
pair<KeyboardKey,RefPtr<Action> > newpair (kb, what);
kbm->insert (newpair);
cerr << "Bindings added " << kb.key() << " w/ " << kb.state() << endl;
} else {
k->second = what;
}
}
void
Bindings::remove (KeyboardKey kb, KeyboardKey::Operation op)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
kbm = &release_bindings;
break;
}
KeybindingMap::iterator k = kbm->find (kb);
if (k != kbm->end()) {
kbm->erase (k);
}
}
bool
Bindings::save (const string& path)
{
XMLTree tree;
XMLNode* root = new XMLNode (X_("Bindings"));
tree.set_root (root);
XMLNode* presses = new XMLNode (X_("Press"));
root->add_child_nocopy (*presses);
for (KeybindingMap::iterator k = press_bindings.begin(); k != press_bindings.end(); ++k) {
XMLNode* child;
child = new XMLNode (X_("Binding"));
child->add_property (X_("key"), k->first.name());
child->add_property (X_("action"), k->second->get_name());
presses->add_child_nocopy (*child);
}
XMLNode* releases = new XMLNode (X_("Release"));
root->add_child_nocopy (*releases);
for (KeybindingMap::iterator k = release_bindings.begin(); k != release_bindings.end(); ++k) {
XMLNode* child;
child = new XMLNode (X_("Binding"));
child->add_property (X_("key"), k->first.name());
child->add_property (X_("action"), k->second->get_name());
releases->add_child_nocopy (*child);
}
if (!tree.write (path)) {
::unlink (path.c_str());
return false;
}
return true;
}
bool
Bindings::load (const string& path)
{
XMLTree tree;
if (!action_map) {
return false;
}
if (!tree.read (path)) {
return false;
}
press_bindings.clear ();
release_bindings.clear ();
XMLNode& root (*tree.root());
const XMLNodeList& children (root.children());
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == X_("Press") || (*i)->name() == X_("Release")) {
KeyboardKey::Operation op;
if ((*i)->name() == X_("Press")) {
op = KeyboardKey::Press;
} else {
op = KeyboardKey::Release;
}
const XMLNodeList& gchildren ((*i)->children());
for (XMLNodeList::const_iterator p = gchildren.begin(); p != gchildren.end(); ++p) {
XMLProperty* ap;
XMLProperty* kp;
ap = (*p)->property ("action");
kp = (*p)->property ("key");
if (!ap || !kp) {
continue;
}
RefPtr<Action> act = action_map->find_action (ap->value());
if (!act) {
continue;
}
KeyboardKey k;
if (!KeyboardKey::make_key (kp->value(), k)) {
continue;
}
add (k, op, act);
}
}
}
return true;
}
RefPtr<Action>
ActionMap::find_action (const string& name)
{
_ActionMap::iterator a = actions.find (name);
if (a != actions.end()) {
return a->second;
}
return RefPtr<Action>();
}
RefPtr<Action>
ActionMap::register_action (const char* path,
const char* name, const char* label, sigc::slot<void> sl)
{
string fullpath;
RefPtr<Action> act = Action::create (name, label);
act->signal_activate().connect (sl);
fullpath = path;
fullpath += '/';
fullpath += name;
actions.insert (_ActionMap::value_type (fullpath, act));
return act;
}
RefPtr<Action>
ActionMap::register_radio_action (const char* path, Gtk::RadioAction::Group& rgroup,
const char* name, const char* label,
sigc::slot<void,GtkAction*> sl,
int value)
{
string fullpath;
RefPtr<Action> act = RadioAction::create (rgroup, name, label);
RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
ract->property_value() = value;
act->signal_activate().connect (sigc::bind (sl, act->gobj()));
fullpath = path;
fullpath += '/';
fullpath += name;
actions.insert (_ActionMap::value_type (fullpath, act));
return act;
}
RefPtr<Action>
ActionMap::register_toggle_action (const char* path,
const char* name, const char* label, sigc::slot<void> sl)
{
string fullpath;
RefPtr<Action> act = ToggleAction::create (name, label);
act->signal_activate().connect (sl);
fullpath = path;
fullpath += '/';
fullpath += name;
actions.insert (_ActionMap::value_type (fullpath, act));
return act;
}