device-manager.cpp revision f14a6a7e8f326d4e3649407d7fcecaa0b0990934
/*
* Inkscape::DeviceManager - a view of input devices available.
*
* Copyright 2010 Jon A. Cruz <jon@joncruz.org>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glib.h>
#include <map>
#include <set>
#include <gtk/gtk.h>
#include "device-manager.h"
#include "preferences.h"
#define noDEBUG_VERBOSE 1
// This is a copy of the private fields of the GdkDevice object, used in order
// to create a list of "fake" devices.
struct GdkDeviceFake {
gchar *name;
GdkInputSource source;
GdkInputMode mode;
gboolean has_cursor;
gint num_axes;
GdkDeviceAxis *axes;
gint num_keys;
GdkDeviceKey *keys;
};
static void createFakeList();
GdkDeviceFake fakeout[5];
static GList* fakeList = 0;
static bool isValidDevice(GdkDevice *device)
{
bool valid = true;
for (size_t i = 0; (i < G_N_ELEMENTS(fakeout)) && valid; i++) {
// Ideally, we should probably check all fields of the GdkDevice
#if GTK_CHECK_VERSION (2, 22, 0)
gboolean name_matches = (g_strcmp0 (gdk_device_get_name (device), fakeout[i].name) == 0);
gboolean source_matches = (gdk_device_get_source (device) == fakeout[i].source);
gboolean mode_matches = (gdk_device_get_mode (device) == fakeout[i].mode);
gboolean num_axes_matches = (gdk_device_get_n_axes (device) == fakeout[i].num_axes);
#else
gboolean name_matches = (g_strcmp0 (device->name, fakeout[i].name) == 0);
gboolean source_matches = (device->source == fakeout[i].source);
gboolean mode_matches = (device->mode == fakeout[i].mode);
gboolean num_axes_matches = (device->num_axes == fakeout[i].num_axes);
#endif
#if GTK_CHECK_VERSION (2, 24, 0)
gboolean num_keys_matches = (gdk_device_get_n_keys (device) == fakeout[i].num_keys);
#else
gboolean num_keys_matches = (device->num_keys == fakeout[i].num_keys);
#endif
if (name_matches && source_matches && mode_matches
&& num_axes_matches && num_keys_matches)
valid = false;
}
return valid;
}
namespace Inkscape {
using std::pair;
static pair<gint, gint> vals[] = {
pair<gint, gint>(0, 1), pair<gint, gint>(1, 1 << 1), pair<gint, gint>(2, 1 << 2), pair<gint, gint>(3, 1 << 3),
pair<gint, gint>(4, 1 << 4), pair<gint, gint>(5, 1 << 5), pair<gint, gint>(6, 1 << 6), pair<gint, gint>(7, 1 << 7),
pair<gint, gint>(8, 1 << 8), pair<gint, gint>(9, 1 << 9), pair<gint, gint>(10, 1 << 10), pair<gint, gint>(11, 1 << 11),
pair<gint, gint>(12, 1 << 12), pair<gint, gint>(13, 1 << 13), pair<gint, gint>(14, 1 << 14), pair<gint, gint>(15, 1 << 15),
pair<gint, gint>(16, 1 << 16), pair<gint, gint>(17, 1 << 17), pair<gint, gint>(18, 1 << 18), pair<gint, gint>(19, 1 << 19),
pair<gint, gint>(20, 1 << 20), pair<gint, gint>(21, 1 << 21), pair<gint, gint>(22, 1 << 22), pair<gint, gint>(23, 1 << 23)
};
static std::map<gint, gint> bitVals(vals, &vals[G_N_ELEMENTS(vals)]);
static const int RUNAWAY_MAX = 1000;
static Glib::ustring getBaseDeviceName(Gdk::InputSource source)
{
Glib::ustring name;
switch (source) {
case GDK_SOURCE_MOUSE:
name ="pointer";
break;
case GDK_SOURCE_PEN:
name ="pen";
break;
case GDK_SOURCE_ERASER:
name ="eraser";
break;
case GDK_SOURCE_CURSOR:
name ="cursor";
break;
default:
name = "tablet";
}
return name;
}
static std::map<Glib::ustring, Gdk::AxisUse> &getStringToAxis()
{
static bool init = false;
static std::map<Glib::ustring, Gdk::AxisUse> mapping;
if (!init) {
init = true;
mapping["ignore"] = Gdk::AXIS_IGNORE;
mapping["x"] = Gdk::AXIS_X;
mapping["y"] = Gdk::AXIS_Y;
mapping["pressure"] = Gdk::AXIS_PRESSURE;
mapping["xtilt"] = Gdk::AXIS_XTILT;
mapping["ytilt"] = Gdk::AXIS_YTILT;
mapping["wheel"] = Gdk::AXIS_WHEEL;
}
return mapping;
}
std::map<Gdk::AxisUse, Glib::ustring> &getAxisToString()
{
static bool init = false;
static std::map<Gdk::AxisUse, Glib::ustring> mapping;
if (!init) {
init = true;
for (std::map<Glib::ustring, Gdk::AxisUse>::iterator it = getStringToAxis().begin(); it != getStringToAxis().end(); ++it) {
mapping.insert(std::make_pair(it->second, it->first));
}
}
return mapping;
}
static std::map<Glib::ustring, Gdk::InputMode> &getStringToMode()
{
static bool init = false;
static std::map<Glib::ustring, Gdk::InputMode> mapping;
if (!init) {
init = true;
mapping["disabled"] = Gdk::MODE_DISABLED;
mapping["screen"] = Gdk::MODE_SCREEN;
mapping["window"] = Gdk::MODE_WINDOW;
}
return mapping;
}
std::map<Gdk::InputMode, Glib::ustring> &getModeToString()
{
static bool init = false;
static std::map<Gdk::InputMode, Glib::ustring> mapping;
if (!init) {
init = true;
for (std::map<Glib::ustring, Gdk::InputMode>::iterator it = getStringToMode().begin(); it != getStringToMode().end(); ++it) {
mapping.insert(std::make_pair(it->second, it->first));
}
}
return mapping;
}
InputDevice::InputDevice()
: Glib::Object()
{}
InputDevice::~InputDevice() {}
class InputDeviceImpl : public InputDevice {
public:
InputDeviceImpl(GdkDevice* device, std::set<Glib::ustring> &knownIDs);
virtual ~InputDeviceImpl() {}
virtual Glib::ustring getId() const {return id;}
virtual Glib::ustring getName() const {return name;}
virtual Gdk::InputSource getSource() const {return source;}
#if GTK_CHECK_VERSION (2, 22, 0)
virtual Gdk::InputMode getMode() const {return static_cast<Gdk::InputMode>(gdk_device_get_mode (device));}
virtual gint getNumAxes() const {return gdk_device_get_n_axes (device);}
virtual bool hasCursor() const {return gdk_device_get_has_cursor (device);}
#else
virtual Gdk::InputMode getMode() const {return static_cast<Gdk::InputMode>(device->mode);}
virtual gint getNumAxes() const {return device->num_axes;}
virtual bool hasCursor() const {return device->has_cursor;}
#endif
virtual gint getNumKeys() const {
// Backward-compatibility: The GSEAL-compliant
// gdk_device_get_n_keys function was only introduced
// with GTK 2.24
#if GTK_CHECK_VERSION(2, 24, 0)
return gdk_device_get_n_keys (device);
#else
return device->num_keys;
#endif // GTK_CHECK_VERSION
}
virtual Glib::ustring getLink() const {return link;}
virtual void setLink( Glib::ustring const& link ) {this->link = link;}
virtual gint getLiveAxes() const {return liveAxes;}
virtual void setLiveAxes(gint axes) {liveAxes = axes;}
virtual gint getLiveButtons() const {return liveButtons;}
virtual void setLiveButtons(gint buttons) {liveButtons = buttons;}
// internal methods not on public superclass:
virtual GdkDevice *getDevice() { return device; }
private:
InputDeviceImpl(InputDeviceImpl const &); // no copy
void operator=(InputDeviceImpl const &); // no assign
static Glib::ustring createId(Glib::ustring const &id, Gdk::InputSource source, std::set<Glib::ustring> &knownIDs);
GdkDevice* device;
Glib::ustring id;
Glib::ustring name;
Gdk::InputSource source;
Glib::ustring link;
guint liveAxes;
guint liveButtons;
};
class IdMatcher : public std::unary_function<Glib::RefPtr<InputDeviceImpl>&, bool> {
public:
IdMatcher(Glib::ustring const& target):target(target) {}
bool operator ()(Glib::RefPtr<InputDeviceImpl>& dev) {return dev && (target == dev->getId());}
private:
Glib::ustring const& target;
};
class LinkMatcher : public std::unary_function<Glib::RefPtr<InputDeviceImpl>&, bool> {
public:
LinkMatcher(Glib::ustring const& target):target(target) {}
bool operator ()(Glib::RefPtr<InputDeviceImpl>& dev) {return dev && (target == dev->getLink());}
private:
Glib::ustring const& target;
};
InputDeviceImpl::InputDeviceImpl(GdkDevice* device, std::set<Glib::ustring> &knownIDs)
: InputDevice(),
device(device),
id(),
#if GTK_CHECK_VERSION (2, 22, 0)
name(gdk_device_get_name (device) ? gdk_device_get_name (device) : ""),
source(static_cast<Gdk::InputSource>(gdk_device_get_source (device))),
#else
name(device->name ? device->name : ""),
source(static_cast<Gdk::InputSource>(device->source)),
#endif
link(),
liveAxes(0),
liveButtons(0)
{
id = createId(name, source, knownIDs);
}
Glib::ustring InputDeviceImpl::createId(Glib::ustring const &id,
Gdk::InputSource source,
std::set<Glib::ustring> &knownIDs)
{
// Start with only allowing printable ASCII. Check later for more refinements.
bool badName = id.empty() || !id.is_ascii();
for (Glib::ustring::const_iterator it = id.begin(); (it != id.end()) && !badName; ++it) {
badName = *it < 0x20;
}
Glib::ustring base;
switch ( source ) {
case Gdk::SOURCE_MOUSE:
base = "M:";
break;
case Gdk::SOURCE_CURSOR:
base = "C:";
break;
case Gdk::SOURCE_PEN:
base = "P:";
break;
case Gdk::SOURCE_ERASER:
base = "E:";
break;
default:
base = "?:";
}
if (badName) {
base += getBaseDeviceName(source);
} else {
base += id;
}
// now ensure that all IDs become unique in a session.
int num = 1;
Glib::ustring result = base;
while ((knownIDs.find(result) != knownIDs.end()) && (num < RUNAWAY_MAX)) {
result = Glib::ustring::compose("%1%2", base, ++num);
}
knownIDs.insert(result);
return result;
}
class DeviceManagerImpl : public DeviceManager {
public:
DeviceManagerImpl();
virtual void loadConfig();
virtual void saveConfig();
virtual std::list<Glib::RefPtr<InputDevice const> > getDevices();
virtual sigc::signal<void, Glib::RefPtr<InputDevice const> > signalDeviceChanged();
virtual sigc::signal<void, Glib::RefPtr<InputDevice const> > signalAxesChanged();
virtual sigc::signal<void, Glib::RefPtr<InputDevice const> > signalButtonsChanged();
virtual sigc::signal<void, Glib::RefPtr<InputDevice const> > signalLinkChanged();
virtual void addAxis(Glib::ustring const & id, gint axis);
virtual void addButton(Glib::ustring const & id, gint button);
virtual void setLinkedTo(Glib::ustring const & id, Glib::ustring const& link);
virtual void setMode( Glib::ustring const & id, Gdk::InputMode mode );
virtual void setAxisUse( Glib::ustring const & id, guint index, Gdk::AxisUse use );
virtual void setKey( Glib::ustring const & id, guint index, guint keyval, Gdk::ModifierType mods );
protected:
std::list<Glib::RefPtr<InputDeviceImpl> > devices;
sigc::signal<void, Glib::RefPtr<InputDevice const> > signalDeviceChangedPriv;
sigc::signal<void, Glib::RefPtr<InputDevice const> > signalAxesChangedPriv;
sigc::signal<void, Glib::RefPtr<InputDevice const> > signalButtonsChangedPriv;
sigc::signal<void, Glib::RefPtr<InputDevice const> > signalLinkChangedPriv;
};
DeviceManagerImpl::DeviceManagerImpl() :
DeviceManager(),
devices()
{
GList* devList = gdk_devices_list();
if ( !fakeList ) {
createFakeList();
}
//devList = fakeList;
std::set<Glib::ustring> knownIDs;
for ( GList* curr = devList; curr; curr = g_list_next(curr) ) {
GdkDevice* dev = reinterpret_cast<GdkDevice*>(curr->data);
if ( dev ) {
#if DEBUG_VERBOSE
g_message("device: name[%s] source[0x%x] mode[0x%x] cursor[%s] axis count[%d] key count[%d]", dev->name, dev->source, dev->mode,
dev->has_cursor?"Yes":"no", dev->num_axes, dev->num_keys);
#endif
InputDeviceImpl* device = new InputDeviceImpl(dev, knownIDs);
device->reference();
devices.push_back(Glib::RefPtr<InputDeviceImpl>(device));
}
}
}
void DeviceManagerImpl::loadConfig()
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
for (std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = devices.begin(); it != devices.end(); ++it) {
if ((*it)->getSource() != Gdk::SOURCE_MOUSE) {
Glib::ustring path = "/devices/" + (*it)->getId();
Gdk::InputMode mode = Gdk::MODE_DISABLED;
Glib::ustring val = prefs->getString(path + "/mode");
if (getStringToMode().find(val) != getStringToMode().end()) {
mode = getStringToMode()[val];
}
if ((*it)->getMode() != mode) {
setMode( (*it)->getId(), mode );
}
//
val = prefs->getString(path + "/axes");
if (!val.empty()) {
std::vector<Glib::ustring> parts = Glib::Regex::split_simple(";", val);
for (size_t i = 0; i < parts.size(); ++i) {
Glib::ustring name = parts[i];
if (getStringToAxis().find(name) != getStringToAxis().end()) {
Gdk::AxisUse use = getStringToAxis()[name];
setAxisUse( (*it)->getId(), i, use );
}
}
}
val = prefs->getString(path + "/keys");
if (!val.empty()) {
std::vector<Glib::ustring> parts = Glib::Regex::split_simple(";", val);
for (size_t i = 0; i < parts.size(); ++i) {
Glib::ustring keyStr = parts[i];
if (!keyStr.empty()) {
guint key = 0;
GdkModifierType mods = static_cast<GdkModifierType>(0);
gtk_accelerator_parse( keyStr.c_str(), &key, &mods );
setKey( (*it)->getId(), i, key, static_cast<Gdk::ModifierType>(mods) );
}
}
}
}
}
}
void DeviceManagerImpl::saveConfig()
{
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
for (std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = devices.begin(); it != devices.end(); ++it) {
if ((*it)->getSource() != Gdk::SOURCE_MOUSE) {
Glib::ustring path = "/devices/" + (*it)->getId();
prefs->setString( path + "/mode", getModeToString()[(*it)->getMode()].c_str() );
Glib::ustring tmp;
for (gint i = 0; i < (*it)->getNumAxes(); ++i) {
if (i > 0) {
tmp += ";";
}
GdkDevice *device = (*it)->getDevice();
#if GTK_CHECK_VERSION (2, 22, 0)
tmp += getAxisToString()[static_cast<Gdk::AxisUse>(gdk_device_get_axis_use (device, i))];
#else
tmp += getAxisToString()[static_cast<Gdk::AxisUse>(device->axes[i].use)];
#endif
}
prefs->setString( path + "/axes", tmp );
tmp = "";
for (gint i = 0; i < (*it)->getNumKeys(); ++i) {
if (i > 0) {
tmp += ";";
}
GdkDevice *device = (*it)->getDevice();
#if GTK_CHECK_VERSION (2, 22, 0)
guint keyval;
GdkModifierType modifiers;
gdk_device_get_key (device, i, &keyval, &modifiers);
tmp += gtk_accelerator_name(keyval, modifiers);
#else
tmp += gtk_accelerator_name(device->keys[i].keyval, device->keys[i].modifiers);
#endif
}
prefs->setString( path + "/keys", tmp );
}
}
}
std::list<Glib::RefPtr<InputDevice const> > DeviceManagerImpl::getDevices()
{
std::list<Glib::RefPtr<InputDevice const> > tmp;
for ( std::list<Glib::RefPtr<InputDeviceImpl> >::const_iterator it = devices.begin(); it != devices.end(); ++it ) {
tmp.push_back(*it);
}
return tmp;
}
void DeviceManagerImpl::setMode( Glib::ustring const & id, Gdk::InputMode mode )
{
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
if (isValidDevice((*it)->getDevice()) && ((*it)->getMode() != mode) ) {
bool success = gdk_device_set_mode((*it)->getDevice(), static_cast<GdkInputMode>(mode));
if (success) {
signalDeviceChangedPriv.emit(*it);
} else {
g_warning("Unable to set mode on extended input device [%s]", (*it)->getId().c_str());
}
}
}
}
void DeviceManagerImpl::setAxisUse( Glib::ustring const & id, guint index, Gdk::AxisUse use )
{
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
if (isValidDevice((*it)->getDevice())) {
if (static_cast<gint>(index) <= (*it)->getNumAxes()) {
GdkDevice *device = (*it)->getDevice();
#if GTK_CHECK_VERSION (2, 22, 0)
if (gdk_device_get_axis_use (device, index) != static_cast<GdkAxisUse>(use)) {
#else
if (device->axes[index].use != static_cast<GdkAxisUse>(use)) {
#endif
gdk_device_set_axis_use(device, index, static_cast<GdkAxisUse>(use));
signalDeviceChangedPriv.emit(*it);
}
} else {
g_warning("Invalid device axis number %d on extended input device [%s]", index, (*it)->getId().c_str());
}
}
}
}
void DeviceManagerImpl::setKey( Glib::ustring const & id, guint index, guint keyval, Gdk::ModifierType mods )
{
//static void setDeviceKey( GdkDevice* device, guint index, guint keyval, GdkModifierType modifiers )
//
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
if (isValidDevice((*it)->getDevice())) {
gdk_device_set_key((*it)->getDevice(), index, keyval, static_cast<GdkModifierType>(mods));
signalDeviceChangedPriv.emit(*it);
}
}
}
sigc::signal<void, Glib::RefPtr<InputDevice const> > DeviceManagerImpl::signalDeviceChanged()
{
return signalDeviceChangedPriv;
}
sigc::signal<void, Glib::RefPtr<InputDevice const> > DeviceManagerImpl::signalAxesChanged()
{
return signalAxesChangedPriv;
}
sigc::signal<void, Glib::RefPtr<InputDevice const> > DeviceManagerImpl::signalButtonsChanged()
{
return signalButtonsChangedPriv;
}
sigc::signal<void, Glib::RefPtr<InputDevice const> > DeviceManagerImpl::signalLinkChanged()
{
return signalLinkChangedPriv;
}
void DeviceManagerImpl::addAxis(Glib::ustring const & id, gint axis)
{
if ( axis >= 0 && axis < static_cast<gint>(bitVals.size()) ) {
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
gint mask = bitVals[axis];
if ( (mask & (*it)->getLiveAxes()) == 0 ) {
(*it)->setLiveAxes((*it)->getLiveAxes() | mask);
// Only signal if a new axis was added
(*it)->reference();
signalAxesChangedPriv.emit(*it);
}
}
}
}
void DeviceManagerImpl::addButton(Glib::ustring const & id, gint button)
{
if ( button >= 0 && button < static_cast<gint>(bitVals.size()) ) {
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
gint mask = bitVals[button];
if ( (mask & (*it)->getLiveButtons()) == 0 ) {
(*it)->setLiveButtons((*it)->getLiveButtons() | mask);
// Only signal if a new button was added
(*it)->reference();
signalButtonsChangedPriv.emit(*it);
}
}
}
}
void DeviceManagerImpl::setLinkedTo(Glib::ustring const & id, Glib::ustring const& link)
{
std::list<Glib::RefPtr<InputDeviceImpl> >::iterator it = std::find_if(devices.begin(), devices.end(), IdMatcher(id));
if ( it != devices.end() ) {
Glib::RefPtr<InputDeviceImpl> dev = *it;
Glib::RefPtr<InputDeviceImpl> targetDev;
if ( !link.empty() ) {
// Need to be sure the target of the link exists
it = std::find_if(devices.begin(), devices.end(), IdMatcher(link));
if ( it != devices.end() ) {
targetDev = *it;
}
}
if ( (link.empty() && !dev->getLink().empty())
|| (targetDev && (targetDev->getLink() != id)) ) {
// only muck about if they aren't already linked
std::list<Glib::RefPtr<InputDeviceImpl> > changedItems;
if ( targetDev ) {
// Is something else already using that link?
it = std::find_if(devices.begin(), devices.end(), LinkMatcher(link));
if ( it != devices.end() ) {
(*it)->setLink("");
changedItems.push_back(*it);
}
}
it = std::find_if(devices.begin(), devices.end(), LinkMatcher(id));
if ( it != devices.end() ) {
(*it)->setLink("");
changedItems.push_back(*it);
}
if ( targetDev ) {
targetDev->setLink(id);
changedItems.push_back(targetDev);
}
dev->setLink(link);
changedItems.push_back(dev);
for ( std::list<Glib::RefPtr<InputDeviceImpl> >::const_iterator iter = changedItems.begin(); iter != changedItems.end(); ++iter ) {
(*iter)->reference();
signalLinkChangedPriv.emit(*iter);
}
}
}
}
static DeviceManagerImpl* theInstance = 0;
DeviceManager::DeviceManager()
: Glib::Object()
{
}
DeviceManager::~DeviceManager() {
}
DeviceManager& DeviceManager::getManager() {
if ( !theInstance ) {
theInstance = new DeviceManagerImpl();
}
return *theInstance;
}
} // namespace Inkscape
GdkDeviceAxis padAxes[] = {{GDK_AXIS_X, 0.0, 0.0},
{GDK_AXIS_Y, 0.0, 0.0},
{GDK_AXIS_PRESSURE, 0.0, 1.0},
{GDK_AXIS_XTILT, -1.0, 1.0},
{GDK_AXIS_YTILT, -1.0, 1.0},
{GDK_AXIS_WHEEL, 0.0, 1.0}};
GdkDeviceKey padKeys[] = {{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0},
{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}};
GdkDeviceAxis eraserAxes[] = {{GDK_AXIS_X, 0.0, 0.0},
{GDK_AXIS_Y, 0.0, 0.0},
{GDK_AXIS_PRESSURE, 0.0, 1.0},
{GDK_AXIS_XTILT, -1.0, 1.0},
{GDK_AXIS_YTILT, -1.0, 1.0},
{GDK_AXIS_WHEEL, 0.0, 1.0}};
GdkDeviceKey eraserKeys[] = {{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0},
{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}};
GdkDeviceAxis cursorAxes[] = {{GDK_AXIS_X, 0.0, 0.0},
{GDK_AXIS_Y, 0.0, 0.0},
{GDK_AXIS_PRESSURE, 0.0, 1.0},
{GDK_AXIS_XTILT, -1.0, 1.0},
{GDK_AXIS_YTILT, -1.0, 1.0},
{GDK_AXIS_WHEEL, 0.0, 1.0}};
GdkDeviceKey cursorKeys[] = {{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0},
{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}};
GdkDeviceAxis stylusAxes[] = {{GDK_AXIS_X, 0.0, 0.0},
{GDK_AXIS_Y, 0.0, 0.0},
{GDK_AXIS_PRESSURE, 0.0, 1.0},
{GDK_AXIS_XTILT, -1.0, 1.0},
{GDK_AXIS_YTILT, -1.0, 1.0},
{GDK_AXIS_WHEEL, 0.0, 1.0}};
GdkDeviceKey stylusKeys[] = {{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0},
{0, (GdkModifierType)0}, {0, (GdkModifierType)0}, {0, (GdkModifierType)0}};
GdkDeviceAxis coreAxes[] = {{GDK_AXIS_X, 0.0, 0.0},
{GDK_AXIS_Y, 0.0, 0.0}};
static void createFakeList() {
if ( !fakeList ) {
fakeout[0].name = g_strdup("pad");
fakeout[0].source = GDK_SOURCE_PEN;
fakeout[0].mode = GDK_MODE_SCREEN;
fakeout[0].has_cursor = TRUE;
fakeout[0].num_axes = 6;
fakeout[0].axes = padAxes;
fakeout[0].num_keys = 8;
fakeout[0].keys = padKeys;
fakeout[1].name = g_strdup("eraser");
fakeout[1].source = GDK_SOURCE_ERASER;
fakeout[1].mode = GDK_MODE_SCREEN;
fakeout[1].has_cursor = TRUE;
fakeout[1].num_axes = 6;
fakeout[1].axes = eraserAxes;
fakeout[1].num_keys = 7;
fakeout[1].keys = eraserKeys;
fakeout[2].name = g_strdup("cursor");
fakeout[2].source = GDK_SOURCE_CURSOR;
fakeout[2].mode = GDK_MODE_SCREEN;
fakeout[2].has_cursor = TRUE;
fakeout[2].num_axes = 6;
fakeout[2].axes = cursorAxes;
fakeout[2].num_keys = 7;
fakeout[2].keys = cursorKeys;
fakeout[3].name = g_strdup("stylus");
fakeout[3].source = GDK_SOURCE_PEN;
fakeout[3].mode = GDK_MODE_SCREEN;
fakeout[3].has_cursor = TRUE;
fakeout[3].num_axes = 6;
fakeout[3].axes = stylusAxes;
fakeout[3].num_keys = 7;
fakeout[3].keys = stylusKeys;
// try to find the first *real* core pointer
GList* devList = gdk_devices_list();
#if GTK_CHECK_VERSION (2, 22, 0)
while ( devList && devList->data && (gdk_device_get_source ((GdkDevice*)devList->data) != GDK_SOURCE_MOUSE)) {
#else
while ( devList && devList->data && (((GdkDevice*)devList->data)->source != GDK_SOURCE_MOUSE)) {
#endif
devList = g_list_next(devList);
}
if ( devList && devList->data ) {
//fakeout[4] = *((GdkDevice*)devList->data);
// We should probably copy the axes and keys too
GdkDevice *device = (GdkDevice*)devList->data;
#if GTK_CHECK_VERSION (2, 22, 0)
fakeout[4].name = g_strdup(gdk_device_get_name (device));
fakeout[4].source = gdk_device_get_source (device);
fakeout[4].mode = gdk_device_get_mode (device);
fakeout[4].has_cursor = gdk_device_get_has_cursor (device);
fakeout[4].num_axes = gdk_device_get_n_axes (device);
#else
fakeout[4].name = g_strdup(device->name);
fakeout[4].source = device->source;
fakeout[4].mode = device->mode;
fakeout[4].has_cursor = device->has_cursor;
fakeout[4].num_axes = device->num_axes;
#endif
#if GTK_CHECK_VERSION (2, 24, 0)
fakeout[4].num_keys = gdk_device_get_n_keys (device);
#else
fakeout[4].num_keys = device->num_keys;
#endif
} else {
fakeout[4].name = g_strdup("Core Pointer");
fakeout[4].source = GDK_SOURCE_MOUSE;
fakeout[4].mode = GDK_MODE_SCREEN;
fakeout[4].has_cursor = TRUE;
fakeout[4].num_axes = 2;
fakeout[4].axes = coreAxes;
fakeout[4].num_keys = 0;
fakeout[4].keys = NULL;
}
for ( guint pos = 0; pos < G_N_ELEMENTS(fakeout); pos++) {
fakeList = g_list_append(fakeList, &(fakeout[pos]));
}
}
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :