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xi2: Translate touch events

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Translate XI_TouchBegin/Update/End to GDK_TOUCH_BEGIN/UPDATE/END
events.

At the same time,
set pointer-emulated flags on button events with XIPointerEmulated
and on touch events emulating the pointer.
This commit is contained in:
Matthias Clasen 2012-03-01 00:56:51 -05:00
parent 7f35708cee
commit f7b7cc22e6
4 changed files with 218 additions and 65 deletions
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34
gdk/x11/gdkdevice-xi2.c
View File

@ -386,6 +386,7 @@ gdk_x11_device_xi2_grab (GdkDevice *device,
guint32 time_)
{
GdkX11DeviceXI2 *device_xi2 = GDK_X11_DEVICE_XI2 (device);
GdkX11DeviceManagerXI2 *device_manager_xi2;
GdkDisplay *display;
XIEventMask mask;
Window xwindow;
@ -393,6 +394,7 @@ gdk_x11_device_xi2_grab (GdkDevice *device,
gint status;
display = gdk_device_get_display (device);
device_manager_xi2 = GDK_X11_DEVICE_MANAGER_XI2 (gdk_display_get_device_manager (display));
/* FIXME: confine_to is actually unused */
@ -407,7 +409,9 @@ gdk_x11_device_xi2_grab (GdkDevice *device,
}
mask.deviceid = device_xi2->device_id;
mask.mask = _gdk_x11_device_xi2_translate_event_mask (event_mask, &mask.mask_len);
mask.mask = _gdk_x11_device_xi2_translate_event_mask (device_manager_xi2,
event_mask,
&mask.mask_len);
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_NOGRABS)
@ -623,10 +627,17 @@ gdk_x11_device_xi2_select_window_events (GdkDevice *device,
GdkEventMask event_mask)
{
GdkX11DeviceXI2 *device_xi2 = GDK_X11_DEVICE_XI2 (device);
GdkX11DeviceManagerXI2 *device_manager_xi2;
GdkDisplay *display;
XIEventMask evmask;
display = gdk_device_get_display (device);
device_manager_xi2 = GDK_X11_DEVICE_MANAGER_XI2 (gdk_display_get_device_manager (display));
evmask.deviceid = device_xi2->device_id;
evmask.mask = _gdk_x11_device_xi2_translate_event_mask (event_mask, &evmask.mask_len);
evmask.mask = _gdk_x11_device_xi2_translate_event_mask (device_manager_xi2,
event_mask,
&evmask.mask_len);
XISelectEvents (GDK_WINDOW_XDISPLAY (window),
GDK_WINDOW_XID (window),
@ -636,10 +647,14 @@ gdk_x11_device_xi2_select_window_events (GdkDevice *device,
}
guchar *
_gdk_x11_device_xi2_translate_event_mask (GdkEventMask event_mask,
gint *len)
_gdk_x11_device_xi2_translate_event_mask (GdkX11DeviceManagerXI2 *device_manager_xi2,
GdkEventMask event_mask,
gint *len)
{
guchar *mask;
gint minor;
g_object_get (device_manager_xi2, "minor", &minor, NULL);
*len = XIMaskLen (XI_LASTEVENT);
mask = g_new0 (guchar, *len);
@ -688,6 +703,17 @@ _gdk_x11_device_xi2_translate_event_mask (GdkEventMask event_mask,
XISetMask (mask, XI_FocusOut);
}
#ifdef XINPUT_2_2
/* XInput 2.2 includes multitouch support */
if (minor >= 2 &&
event_mask & GDK_TOUCH_MASK)
{
XISetMask (mask, XI_TouchBegin);
XISetMask (mask, XI_TouchUpdate);
XISetMask (mask, XI_TouchEnd);
}
#endif /* XINPUT_2_2 */
return mask;
}

4
gdk/x11/gdkdevicemanager-x11.c
View File

@ -52,7 +52,11 @@ _gdk_x11_device_manager_new (GdkDisplay *display)
int major, minor;
major = 2;
#ifdef XINPUT_2_2
minor = 2;
#else
minor = 0;
#endif /* XINPUT_2_2 */
if (!_gdk_disable_multidevice &&
XIQueryVersion (xdisplay, &major, &minor) != BadRequest)

240
gdk/x11/gdkdevicemanager-xi2.c
View File

@ -27,6 +27,7 @@
#include "gdkprivate-x11.h"
#include "gdkintl.h"
#include "gdkkeysyms.h"
#include "gdkinternals.h"
#ifdef XINPUT_2
@ -164,8 +165,10 @@ _gdk_x11_device_manager_xi2_select_events (GdkDeviceManager *device_manager,
static void
translate_valuator_class (GdkDisplay *display,
GdkDevice *device,
XIValuatorClassInfo *info,
gint n_valuator)
Atom valuator_label,
gdouble min,
gdouble max,
gdouble resolution)
{
static gboolean initialized = FALSE;
static Atom label_atoms [GDK_AXIS_LAST] = { 0 };
@ -186,24 +189,19 @@ translate_valuator_class (GdkDisplay *display,
for (i = GDK_AXIS_IGNORE; i < GDK_AXIS_LAST; i++)
{
if (label_atoms[i] == info->label)
if (label_atoms[i] == valuator_label)
{
use = i;
break;
}
}
if (info->label != None)
label = gdk_x11_xatom_to_atom_for_display (display, info->label);
if (valuator_label != None)
label = gdk_x11_xatom_to_atom_for_display (display, valuator_label);
else
label = GDK_NONE;
_gdk_device_add_axis (device,
label,
use,
info->min,
info->max,
info->resolution);
_gdk_device_add_axis (device, label, use, min, max, resolution);
}
static void
@ -212,7 +210,7 @@ translate_device_classes (GdkDisplay *display,
XIAnyClassInfo **classes,
guint n_classes)
{
gint i, n_valuator = 0;
gint i;
g_object_freeze_notify (G_OBJECT (device));
@ -234,10 +232,14 @@ translate_device_classes (GdkDisplay *display,
}
break;
case XIValuatorClass:
translate_valuator_class (display, device,
(XIValuatorClassInfo *) class_info,
n_valuator);
n_valuator++;
{
XIValuatorClassInfo *valuator_info = (XIValuatorClassInfo *) class_info;
translate_valuator_class (display, device,
valuator_info->label,
valuator_info->min,
valuator_info->max,
valuator_info->resolution);
}
break;
default:
/* Ignore */
@ -893,6 +895,11 @@ get_event_window (GdkEventTranslator *translator,
case XI_ButtonPress:
case XI_ButtonRelease:
case XI_Motion:
#ifdef XINPUT_2_2
case XI_TouchUpdate:
case XI_TouchBegin:
case XI_TouchEnd:
#endif /* XINPUT_2_2 */
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
@ -1117,51 +1124,39 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkDevice *source_device;
switch (xev->detail)
if (ev->evtype == XI_ButtonPress &&
(xev->detail >= 4 && xev->detail <= 7))
{
case 4:
case 5:
case 6:
case 7:
/* Button presses of button 4-7 are scroll events */
if (ev->evtype == XI_ButtonPress)
{
event->scroll.type = GDK_SCROLL;
/* Button presses of button 4-7 are scroll events */
event->scroll.type = GDK_SCROLL;
if (xev->detail == 4)
event->scroll.direction = GDK_SCROLL_UP;
else if (xev->detail == 5)
event->scroll.direction = GDK_SCROLL_DOWN;
else if (xev->detail == 6)
event->scroll.direction = GDK_SCROLL_LEFT;
else
event->scroll.direction = GDK_SCROLL_RIGHT;
if (xev->detail == 4)
event->scroll.direction = GDK_SCROLL_UP;
else if (xev->detail == 5)
event->scroll.direction = GDK_SCROLL_DOWN;
else if (xev->detail == 6)
event->scroll.direction = GDK_SCROLL_LEFT;
else
event->scroll.direction = GDK_SCROLL_RIGHT;
event->scroll.window = window;
event->scroll.time = xev->time;
event->scroll.x = (gdouble) xev->event_x;
event->scroll.y = (gdouble) xev->event_y;
event->scroll.x_root = (gdouble) xev->root_x;
event->scroll.y_root = (gdouble) xev->root_y;
event->scroll.window = window;
event->scroll.time = xev->time;
event->scroll.x = (gdouble) xev->event_x;
event->scroll.y = (gdouble) xev->event_y;
event->scroll.x_root = (gdouble) xev->root_x;
event->scroll.y_root = (gdouble) xev->root_y;
event->scroll.device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
event->scroll.device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
event->scroll.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
break;
}
/* Button presses of button 4-7 are scroll events, so ignore the release */
else if (ev->evtype == XI_ButtonRelease)
{
return_val = FALSE;
break;
}
/* else (XI_ButtonRelease) fall thru */
default:
event->scroll.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
}
else
{
event->button.type = (ev->evtype == XI_ButtonPress) ? GDK_BUTTON_PRESS : GDK_BUTTON_RELEASE;
event->button.window = window;
@ -1194,9 +1189,13 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
}
event->button.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
event->button.button = xev->detail;
}
if (xev->flags & (XIPointerEmulated | XITouchEmulatingPointer))
_gdk_event_set_pointer_emulated (event, TRUE);
if (return_val == FALSE)
break;
@ -1211,15 +1210,14 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
break;
}
case XI_Motion:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkDevice *source_device;
event->motion.type = GDK_MOTION_NOTIFY;
event->motion.window = window;
event->motion.time = xev->time;
event->motion.x = (gdouble) xev->event_x;
event->motion.y = (gdouble) xev->event_y;
@ -1235,6 +1233,9 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
event->motion.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
if (xev->flags & (XIPointerEmulated | XITouchEmulatingPointer))
_gdk_event_set_pointer_emulated (event, TRUE);
/* There doesn't seem to be motion hints in XI */
event->motion.is_hint = FALSE;
@ -1254,6 +1255,124 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
}
}
break;
#ifdef XINPUT_2_2
case XI_TouchBegin:
case XI_TouchEnd:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkDevice *source_device;
if (ev->evtype == XI_TouchBegin)
event->touch.type = GDK_TOUCH_BEGIN;
else if (ev->evtype == XI_TouchEnd)
event->touch.type = GDK_TOUCH_END;
event->touch.window = window;
event->touch.time = xev->time;
event->touch.x = (gdouble) xev->event_x;
event->touch.y = (gdouble) xev->event_y;
event->touch.x_root = (gdouble) xev->root_x;
event->touch.y_root = (gdouble) xev->root_y;
event->touch.device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
event->touch.axes = translate_axes (event->touch.device,
event->touch.x,
event->touch.y,
event->touch.window,
&xev->valuators);
if (gdk_device_get_mode (event->touch.device) == GDK_MODE_WINDOW)
{
GdkDevice *device = event->touch.device;
/* Update event coordinates from axes */
gdk_device_get_axis (device, event->touch.axes, GDK_AXIS_X, &event->touch.x);
gdk_device_get_axis (device, event->touch.axes, GDK_AXIS_Y, &event->touch.y);
}
event->touch.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
if (ev->evtype == XI_TouchBegin)
event->touch.state |= GDK_BUTTON1_MASK;
event->touch.sequence = GUINT_TO_POINTER (xev->detail);
if (xev->flags & XITouchEmulatingPointer)
{
event->touch.emulating_pointer = TRUE;
_gdk_event_set_pointer_emulated (event, TRUE);
}
if (return_val == FALSE)
break;
if (!set_screen_from_root (display, event, xev->root))
{
return_val = FALSE;
break;
}
if (ev->evtype == XI_TouchBegin)
set_user_time (event);
}
break;
case XI_TouchUpdate:
{
XIDeviceEvent *xev = (XIDeviceEvent *) ev;
GdkDevice *source_device;
event->touch.window = window;
event->touch.sequence = GUINT_TO_POINTER (xev->detail);
event->touch.type = GDK_TOUCH_UPDATE;
event->touch.time = xev->time;
event->touch.x = (gdouble) xev->event_x;
event->touch.y = (gdouble) xev->event_y;
event->touch.x_root = (gdouble) xev->root_x;
event->touch.y_root = (gdouble) xev->root_y;
event->touch.device = g_hash_table_lookup (device_manager->id_table,
GINT_TO_POINTER (xev->deviceid));
source_device = g_hash_table_lookup (device_manager->id_table,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
event->touch.state = _gdk_x11_device_xi2_translate_state (&xev->mods, &xev->buttons, &xev->group);
event->touch.state |= GDK_BUTTON1_MASK;
if (xev->flags & XITouchEmulatingPointer)
{
event->touch.emulating_pointer = TRUE;
_gdk_event_set_pointer_emulated (event, TRUE);
}
event->touch.axes = translate_axes (event->touch.device,
event->touch.x,
event->touch.y,
event->touch.window,
&xev->valuators);
if (gdk_device_get_mode (event->touch.device) == GDK_MODE_WINDOW)
{
GdkDevice *device = event->touch.device;
/* Update event coordinates from axes */
gdk_device_get_axis (device, event->touch.axes, GDK_AXIS_X, &event->touch.x);
gdk_device_get_axis (device, event->touch.axes, GDK_AXIS_Y, &event->touch.y);
}
}
break;
#endif
case XI_Enter:
case XI_Leave:
{
@ -1350,7 +1469,8 @@ gdk_x11_device_manager_xi2_get_handled_events (GdkEventTranslator *translator)
GDK_BUTTON2_MOTION_MASK |
GDK_BUTTON3_MOTION_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_FOCUS_CHANGE_MASK);
GDK_FOCUS_CHANGE_MASK |
GDK_TOUCH_MASK);
}
static void
@ -1364,7 +1484,9 @@ gdk_x11_device_manager_xi2_select_window_events (GdkEventTranslator *translator,
device_manager = GDK_DEVICE_MANAGER (translator);
event_mask.deviceid = XIAllMasterDevices;
event_mask.mask = _gdk_x11_device_xi2_translate_event_mask (evmask, &event_mask.mask_len);
event_mask.mask = _gdk_x11_device_xi2_translate_event_mask (GDK_X11_DEVICE_MANAGER_XI2 (device_manager),
evmask,
&event_mask.mask_len);
_gdk_x11_device_manager_xi2_select_events (device_manager, window, &event_mask);
g_free (event_mask.mask);

5
gdk/x11/gdkprivate-x11.h
View File

@ -245,8 +245,9 @@ void _gdk_x11_device_xi_translate_axes (GdkDevice *device,
#endif
#ifdef XINPUT_2
guchar * _gdk_x11_device_xi2_translate_event_mask (GdkEventMask event_mask,
gint *len);
guchar * _gdk_x11_device_xi2_translate_event_mask (GdkX11DeviceManagerXI2 *device_manager_xi2,
GdkEventMask event_mask,
gint *len);
guint _gdk_x11_device_xi2_translate_state (XIModifierState *mods_state,
XIButtonState *buttons_state,
XIGroupState *group_state);