/**
* Copy axes from event
*/
void InputSequence::copyAxes(GdkEvent* event)
{
XOJ_CHECK_TYPE(InputSequence);
clearAxes();
setAxes((gdouble*)g_memdup(event->motion.axes, sizeof(gdouble) * gdk_device_get_n_axes(device)));
}
void on_device_added (GdkDeviceManager *device_manager,
GdkDevice *device,
gpointer user_data)
{
GromitData *data = (GromitData *) user_data;
GdkInputSource hardware_type = gdk_device_get_source(device);
if( hardware_type == GDK_SOURCE_KEYBOARD ||
gdk_device_get_n_axes(device) < 2)
return;
if(data->debug)
g_printerr("DEBUG: device '%s' added\n", gdk_device_get_name(device));
setup_input_devices(data);
}
static VALUE
device_get_axis(VALUE self, VALUE rbaxes, VALUE rbuse)
{
GdkDevice *device = _SELF(self);
GdkAxisUse use = RVAL2GENUM(rbuse, GDK_TYPE_AXIS_USE);
long n;
gdouble *axes = RVAL2GDOUBLES(rbaxes, &n);
gint device_n_axes = gdk_device_get_n_axes(device);
gdouble value;
gboolean found;
if (n != device_n_axes)
rb_raise(rb_eArgError,
"unexpected number of axes: %ld != %d",
n, device_n_axes);
found = gdk_device_get_axis(device, axes, use, &value);
g_free(axes);
return found ? DBL2NUM(value) : Qnil;
}
void
_gdk_device_wintab_translate_axes (GdkDeviceWintab *device_wintab,
GdkSurface *window,
gdouble *axes,
gdouble *x,
gdouble *y)
{
GdkDevice *device;
GdkSurface *impl_surface;
gint root_x, root_y;
gdouble temp_x, temp_y;
gint i;
device = GDK_DEVICE (device_wintab);
impl_surface = _gdk_surface_get_impl_surface (window);
temp_x = temp_y = 0;
gdk_surface_get_origin (impl_surface, &root_x, &root_y);
for (i = 0; i < gdk_device_get_n_axes (device); i++)
{
GdkAxisUse use;
use = gdk_device_get_axis_use (device, i);
switch (use)
{
case GDK_AXIS_X:
case GDK_AXIS_Y:
if (gdk_device_get_mode (device) == GDK_MODE_SURFACE)
_gdk_device_translate_surface_coord (device, window, i,
device_wintab->last_axis_data[i],
&axes[i]);
else
{
HMONITOR hmonitor;
MONITORINFO minfo = {sizeof (MONITORINFO),};
hmonitor = MonitorFromWindow (GDK_SURFACE_HWND (window),
MONITOR_DEFAULTTONEAREST);
GetMonitorInfo (hmonitor, &minfo);
/* XXX: the dimensions from minfo may need to be scaled for HiDPI usage */
_gdk_device_translate_screen_coord (device, window,
root_x, root_y,
minfo.rcWork.right - minfo.rcWork.left,
minfo.rcWork.bottom - minfo.rcWork.top,
i,
device_wintab->last_axis_data[i],
&axes[i]);
}
if (use == GDK_AXIS_X)
temp_x = axes[i];
else if (use == GDK_AXIS_Y)
temp_y = axes[i];
break;
default:
_gdk_device_translate_axis (device, i,
device_wintab->last_axis_data[i],
&axes[i]);
break;
}
}
if (x)
*x = temp_x;
if (y)
*y = temp_y;
}
void setup_input_devices (GromitData *data)
{
/* ungrab all */
release_grab (data, NULL);
/* and clear our own device data list */
GHashTableIter it;
gpointer value;
g_hash_table_iter_init (&it, data->devdatatable);
while (g_hash_table_iter_next (&it, NULL, &value))
g_free(value);
g_hash_table_remove_all(data->devdatatable);
/* get devices */
GdkDeviceManager *device_manager = gdk_display_get_device_manager(data->display);
GList *devices, *d;
int i = 0;
devices = g_list_concat(gdk_device_manager_list_devices
(device_manager, GDK_DEVICE_TYPE_MASTER),
gdk_device_manager_list_devices
(device_manager, GDK_DEVICE_TYPE_SLAVE));
for(d = devices; d; d = d->next)
{
GdkDevice *device = (GdkDevice *) d->data;
/* only enable devices with 2 ore more axes */
if (gdk_device_get_source(device) != GDK_SOURCE_KEYBOARD && gdk_device_get_n_axes(device) >= 2)
{
gdk_device_set_mode (device, GDK_MODE_SCREEN);
GromitDeviceData *devdata;
devdata = g_malloc0(sizeof (GromitDeviceData));
devdata->device = device;
devdata->index = i;
/* get attached keyboard and grab the hotkey */
if (!data->hot_keycode)
{
g_printerr("ERROR: Grabbing hotkey from attached keyboard "
"of '%s' failed, no hotkey defined.\n",
gdk_device_get_name(device));
g_free(devdata);
continue;
}
/* if this is a slave device, we need the master */
GdkDevice *kdevice=device;
if(gdk_device_get_device_type (device) == GDK_DEVICE_TYPE_SLAVE)
kdevice=gdk_device_get_associated_device (device);
gint dev_id = -1;
g_object_get(kdevice, "device-id", &dev_id, NULL);
gint kbd_dev_id = -1;
XIDeviceInfo* devinfo;
int devicecount = 0;
devinfo = XIQueryDevice(GDK_DISPLAY_XDISPLAY(data->display),
dev_id,
&devicecount);
if(devicecount)
kbd_dev_id = devinfo->attachment;
XIFreeDeviceInfo(devinfo);
if(kbd_dev_id != -1)
{
if(data->debug)
g_printerr("DEBUG: Grabbing hotkey from keyboard '%d' .\n", kbd_dev_id);
XIEventMask mask;
unsigned char bits[4] = {0,0,0,0};
mask.mask = bits;
mask.mask_len = sizeof(bits);
XISetMask(bits, XI_KeyPress);
XISetMask(bits, XI_KeyRelease);
XIGrabModifiers modifiers[] = {{XIAnyModifier, 0}};
int nmods = 1;
gdk_error_trap_push ();
XIGrabKeycode( GDK_DISPLAY_XDISPLAY(data->display),
kbd_dev_id,
data->hot_keycode,
GDK_WINDOW_XID(data->root),
GrabModeAsync,
GrabModeAsync,
True,
&mask,
nmods,
modifiers);
XSync(GDK_DISPLAY_XDISPLAY(data->display), False);
if(gdk_error_trap_pop())
{
g_printerr("ERROR: Grabbing hotkey from keyboard device %d failed.\n",
kbd_dev_id);
g_free(devdata);
continue;
}
}
g_hash_table_insert(data->devdatatable, device, devdata);
g_printerr ("Enabled Device %d: \"%s\", (Type: %d)\n",
i++, gdk_device_get_name(device), gdk_device_get_source(device));
}
}
g_printerr ("Now %d enabled devices.\n", g_hash_table_size(data->devdatatable));
}
