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extend Gtkmm2ext::Bindings system to handle mouse buttons as well as keyboard events

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git-svn-id: svn://localhost/ardour2/branches/3.0@9062 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-03-04 03:10:17 +00:00
parent b15e1cba3b
commit 3d1fc33abb
2 changed files with 345 additions and 82 deletions
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319
libs/gtkmm2ext/bindings.cc
View File

@ -1,5 +1,9 @@
#include <iostream>
#include "pbd/xml++.h"
#include "pbd/convert.h"
#include "gtkmm2ext/actions.h"
#include "gtkmm2ext/bindings.h"
#include "gtkmm2ext/keyboard.h"
@ -10,11 +14,100 @@ using namespace Glib;
using namespace Gtk;
using namespace Gtkmm2ext;
uint32_t KeyboardKey::_ignored_state = 0;
uint32_t Bindings::_ignored_state = 0;
MouseButton::MouseButton (uint32_t state, uint32_t keycode)
{
uint32_t ignore = Bindings::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;
};
bool
MouseButton::make_button (const string& str, MouseButton& b)
{
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 ('-');
uint32_t button_number;
if (lastmod == string::npos) {
button_number = PBD::atoi (str);
} else {
button_number = PBD::atoi (str.substr (lastmod+1));
}
b = MouseButton (s, button_number);
return true;
}
string
MouseButton::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 += '-';
}
char buf[16];
snprintf (buf, sizeof (buf), "%u", button());
str += buf;
return str;
}
KeyboardKey::KeyboardKey (uint32_t state, uint32_t keycode)
{
uint32_t ignore = _ignored_state;
uint32_t ignore = Bindings::ignored_state();
if (gdk_keyval_is_upper (keycode) && gdk_keyval_is_lower (keycode)) {
/* key is not subject to case, so ignore SHIFT
@ -122,15 +215,15 @@ Bindings::set_action_map (ActionMap& am)
}
bool
Bindings::activate (KeyboardKey kb, KeyboardKey::Operation op)
Bindings::activate (KeyboardKey kb, Operation op)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
case Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
case Release:
kbm = &release_bindings;
break;
}
@ -149,15 +242,15 @@ Bindings::activate (KeyboardKey kb, KeyboardKey::Operation op)
}
void
Bindings::add (KeyboardKey kb, KeyboardKey::Operation op, RefPtr<Action> what)
Bindings::add (KeyboardKey kb, Operation op, RefPtr<Action> what)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
case Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
case Release:
kbm = &release_bindings;
break;
}
@ -167,22 +260,22 @@ Bindings::add (KeyboardKey kb, KeyboardKey::Operation op, RefPtr<Action> what)
if (k == kbm->end()) {
pair<KeyboardKey,RefPtr<Action> > newpair (kb, what);
kbm->insert (newpair);
cerr << "Bindings added " << kb.key() << " w/ " << kb.state() << endl;
cerr << "Bindings added " << kb.key() << " w/ " << kb.state() << " => " << what->get_name() << endl;
} else {
k->second = what;
}
}
void
Bindings::remove (KeyboardKey kb, KeyboardKey::Operation op)
Bindings::remove (KeyboardKey kb, Operation op)
{
KeybindingMap* kbm;
switch (op) {
case KeyboardKey::Press:
case Press:
kbm = &press_bindings;
break;
case KeyboardKey::Release:
case Release:
kbm = &release_bindings;
break;
}
@ -194,6 +287,79 @@ Bindings::remove (KeyboardKey kb, KeyboardKey::Operation op)
}
}
bool
Bindings::activate (MouseButton bb, Operation op)
{
MouseButtonBindingMap* bbm;
switch (op) {
case Press:
bbm = &button_press_bindings;
break;
case Release:
bbm = &button_release_bindings;
break;
}
MouseButtonBindingMap::iterator b = bbm->find (bb);
if (b == bbm->end()) {
/* no entry for this key in the state map */
return false;
}
/* lets do it ... */
b->second->activate ();
return true;
}
void
Bindings::add (MouseButton bb, Operation op, RefPtr<Action> what)
{
MouseButtonBindingMap* bbm;
switch (op) {
case Press:
bbm = &button_press_bindings;
break;
case Release:
bbm = &button_release_bindings;
break;
}
MouseButtonBindingMap::iterator b = bbm->find (bb);
if (b == bbm->end()) {
pair<MouseButton,RefPtr<Action> > newpair (bb, what);
bbm->insert (newpair);
cerr << "Bindings added mouse button " << bb.button() << " w/ " << bb.state() << " => " << what->get_name() << endl;
} else {
b->second = what;
}
}
void
Bindings::remove (MouseButton bb, Operation op)
{
MouseButtonBindingMap* bbm;
switch (op) {
case Press:
bbm = &button_press_bindings;
break;
case Release:
bbm = &button_release_bindings;
break;
}
MouseButtonBindingMap::iterator b = bbm->find (bb);
if (b != bbm->end()) {
bbm->erase (b);
}
}
bool
Bindings::save (const string& path)
{
@ -201,27 +367,7 @@ Bindings::save (const string& path)
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);
}
save (*root);
if (!tree.write (path)) {
::unlink (path.c_str());
@ -231,6 +377,53 @@ Bindings::save (const string& path)
return true;
}
void
Bindings::save (XMLNode& 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());
string ap = k->second->get_accel_path();
child->add_property (X_("action"), ap.substr (ap.find ('/') + 1));
presses->add_child_nocopy (*child);
}
for (MouseButtonBindingMap::iterator k = button_press_bindings.begin(); k != button_press_bindings.end(); ++k) {
XMLNode* child;
child = new XMLNode (X_("Binding"));
child->add_property (X_("button"), k->first.name());
string ap = k->second->get_accel_path();
child->add_property (X_("action"), ap.substr (ap.find ('/') + 1));
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());
string ap = k->second->get_accel_path();
child->add_property (X_("action"), ap.substr (ap.find ('/') + 1));
releases->add_child_nocopy (*child);
}
for (MouseButtonBindingMap::iterator k = button_release_bindings.begin(); k != button_release_bindings.end(); ++k) {
XMLNode* child;
child = new XMLNode (X_("Binding"));
child->add_property (X_("button"), k->first.name());
string ap = k->second->get_accel_path();
child->add_property (X_("action"), ap.substr (ap.find ('/') + 1));
releases->add_child_nocopy (*child);
}
}
bool
Bindings::load (const string& path)
{
@ -251,49 +444,75 @@ Bindings::load (const string& path)
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;
load (**i);
}
const XMLNodeList& gchildren ((*i)->children());
return true;
}
for (XMLNodeList::const_iterator p = gchildren.begin(); p != gchildren.end(); ++p) {
void
Bindings::load (const XMLNode& node)
{
if (node.name() == X_("Press") || node.name() == X_("Release")) {
Operation op;
if (node.name() == X_("Press")) {
op = Press;
} else {
op = Release;
}
const XMLNodeList& children (node.children());
for (XMLNodeList::const_iterator p = children.begin(); p != children.end(); ++p) {
XMLProperty* ap;
XMLProperty* kp;
XMLProperty* bp;
ap = (*p)->property ("action");
kp = (*p)->property ("key");
bp = (*p)->property ("button");
if (!ap || !kp) {
if (!ap || (!kp && !bp)) {
continue;
}
RefPtr<Action> act = action_map->find_action (ap->value());
RefPtr<Action> act;
if (action_map) {
act = action_map->find_action (ap->value());
}
if (!act) {
string::size_type slash = ap->value().find ('/');
if (slash != string::npos) {
string group = ap->value().substr (0, slash);
string action = ap->value().substr (slash+1);
act = ActionManager::get_action (group.c_str(), action.c_str());
}
}
if (!act) {
continue;
}
if (kp) {
KeyboardKey k;
if (!KeyboardKey::make_key (kp->value(), k)) {
continue;
}
add (k, op, act);
} else {
MouseButton b;
if (!MouseButton::make_button (bp->value(), b)) {
continue;
}
add (b, op, act);
}
}
}
return true;
}
RefPtr<Action>

60
libs/gtkmm2ext/gtkmm2ext/bindings.h
View File

@ -9,16 +9,13 @@
#include <gtkmm/radioaction.h>
#include <gtkmm/toggleaction.h>
class XMLNode;
namespace Gtkmm2ext {
class KeyboardKey
{
public:
enum Operation {
Press,
Release
};
KeyboardKey () {
_val = GDK_VoidSymbol;
}
@ -38,6 +35,31 @@ class KeyboardKey
std::string name() const;
static bool make_key (const std::string&, KeyboardKey&);
private:
uint64_t _val;
};
class MouseButton {
public:
MouseButton () {
_val = ~0ULL;
}
MouseButton (uint32_t state, uint32_t button_number);
uint32_t state() const { return _val >> 32; }
uint32_t button() const { return _val & 0xffff; }
bool operator<(const MouseButton& other) const {
return _val < other._val;
}
bool operator==(const MouseButton& other) const {
return _val == other._val;
}
std::string name() const;
static bool make_button (const std::string&, MouseButton&);
static void set_ignored_state (int mask) {
_ignored_state = mask;
}
@ -70,24 +92,46 @@ class ActionMap {
class Bindings {
public:
enum Operation {
Press,
Release
};
Bindings();
~Bindings ();
void add (KeyboardKey, KeyboardKey::Operation, Glib::RefPtr<Gtk::Action>);
void remove (KeyboardKey, KeyboardKey::Operation);
bool activate (KeyboardKey, KeyboardKey::Operation);
void add (KeyboardKey, Operation, Glib::RefPtr<Gtk::Action>);
void remove (KeyboardKey, Operation);
bool activate (KeyboardKey, Operation);
void add (MouseButton, Operation, Glib::RefPtr<Gtk::Action>);
void remove (MouseButton, Operation);
bool activate (MouseButton, Operation);
bool load (const std::string& path);
void load (const XMLNode& node);
bool save (const std::string& path);
void save (XMLNode& root);
void set_action_map (ActionMap&);
static void set_ignored_state (int mask) {
_ignored_state = mask;
}
static uint32_t ignored_state() { return _ignored_state; }
private:
typedef std::map<KeyboardKey,Glib::RefPtr<Gtk::Action> > KeybindingMap;
KeybindingMap press_bindings;
KeybindingMap release_bindings;
typedef std::map<MouseButton,Glib::RefPtr<Gtk::Action> > MouseButtonBindingMap;
MouseButtonBindingMap button_press_bindings;
MouseButtonBindingMap button_release_bindings;
ActionMap* action_map;
static uint32_t _ignored_state;
};
} // namespace