forked from AuroraMiddleware/gtk
626 lines
19 KiB
C
626 lines
19 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gdkdevice-xi.h"
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#include "gdkwindow.h"
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#include "gdkdeviceprivate.h"
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#include "gdkprivate-x11.h"
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#include "gdkintl.h"
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#include "gdkx.h"
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#define MAX_DEVICE_CLASSES 13
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static GQuark quark_window_input_info = 0;
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typedef struct
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{
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gdouble root_x;
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gdouble root_y;
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} GdkWindowInputInfo;
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static void gdk_device_xi_constructed (GObject *object);
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static void gdk_device_xi_dispose (GObject *object);
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static void gdk_device_xi_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gdk_device_xi_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static gboolean gdk_device_xi_get_history (GdkDevice *device,
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GdkWindow *window,
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guint32 start,
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guint32 stop,
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GdkTimeCoord ***events,
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gint *n_events);
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static void gdk_device_xi_get_state (GdkDevice *device,
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GdkWindow *window,
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gdouble *axes,
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GdkModifierType *mask);
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static void gdk_device_xi_set_window_cursor (GdkDevice *device,
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GdkWindow *window,
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GdkCursor *cursor);
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static void gdk_device_xi_warp (GdkDevice *device,
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GdkScreen *screen,
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gint x,
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gint y);
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static gboolean gdk_device_xi_query_state (GdkDevice *device,
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GdkWindow *window,
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GdkWindow **root_window,
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GdkWindow **child_window,
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gint *root_x,
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gint *root_y,
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gint *win_x,
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gint *win_y,
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GdkModifierType *mask);
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static GdkGrabStatus gdk_device_xi_grab (GdkDevice *device,
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GdkWindow *window,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkWindow *confine_to,
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GdkCursor *cursor,
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guint32 time_);
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static void gdk_device_xi_ungrab (GdkDevice *device,
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guint32 time_);
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static GdkWindow* gdk_device_xi_window_at_position (GdkDevice *device,
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gint *win_x,
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gint *win_y,
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GdkModifierType *mask,
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gboolean get_toplevel);
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static void gdk_device_xi_select_window_events (GdkDevice *device,
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GdkWindow *window,
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GdkEventMask mask);
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G_DEFINE_TYPE (GdkDeviceXI, gdk_device_xi, GDK_TYPE_DEVICE)
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enum {
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PROP_0,
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PROP_DEVICE_ID
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};
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static void
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gdk_device_xi_class_init (GdkDeviceXIClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
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quark_window_input_info = g_quark_from_static_string ("gdk-window-input-info");
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object_class->constructed = gdk_device_xi_constructed;
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object_class->set_property = gdk_device_xi_set_property;
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object_class->get_property = gdk_device_xi_get_property;
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object_class->dispose = gdk_device_xi_dispose;
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device_class->get_history = gdk_device_xi_get_history;
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device_class->get_state = gdk_device_xi_get_state;
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device_class->set_window_cursor = gdk_device_xi_set_window_cursor;
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device_class->warp = gdk_device_xi_warp;
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device_class->query_state = gdk_device_xi_query_state;
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device_class->grab = gdk_device_xi_grab;
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device_class->ungrab = gdk_device_xi_ungrab;
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device_class->window_at_position = gdk_device_xi_window_at_position;
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device_class->select_window_events = gdk_device_xi_select_window_events;
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g_object_class_install_property (object_class,
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PROP_DEVICE_ID,
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g_param_spec_int ("device-id",
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P_("Device ID"),
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P_("Device ID"),
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0, G_MAXINT, 0,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gdk_device_xi_init (GdkDeviceXI *device)
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{
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}
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static void
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gdk_device_xi_constructed (GObject *object)
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{
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GdkDeviceXI *device;
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GdkDisplay *display;
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device = GDK_DEVICE_XI (object);
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display = gdk_device_get_display (GDK_DEVICE (object));
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gdk_error_trap_push ();
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device->xdevice = XOpenDevice (GDK_DISPLAY_XDISPLAY (display),
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device->device_id);
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if (gdk_error_trap_pop ())
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g_warning ("Device %s can't be opened", GDK_DEVICE (device)->name);
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if (G_OBJECT_CLASS (gdk_device_xi_parent_class)->constructed)
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G_OBJECT_CLASS (gdk_device_xi_parent_class)->constructed (object);
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}
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static void
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gdk_device_xi_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GdkDeviceXI *device = GDK_DEVICE_XI (object);
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switch (prop_id)
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{
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case PROP_DEVICE_ID:
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device->device_id = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gdk_device_xi_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GdkDeviceXI *device = GDK_DEVICE_XI (object);
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switch (prop_id)
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{
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case PROP_DEVICE_ID:
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g_value_set_int (value, device->device_id);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gdk_device_xi_dispose (GObject *object)
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{
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GdkDeviceXI *device_xi;
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GdkDisplay *display;
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device_xi = GDK_DEVICE_XI (object);
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display = gdk_device_get_display (GDK_DEVICE (device_xi));
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if (device_xi->xdevice)
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{
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XCloseDevice (GDK_DISPLAY_XDISPLAY (display), device_xi->xdevice);
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device_xi->xdevice = NULL;
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}
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if (device_xi->axis_data)
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{
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g_free (device_xi->axis_data);
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device_xi->axis_data = NULL;
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}
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G_OBJECT_CLASS (gdk_device_xi_parent_class)->dispose (object);
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}
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static gboolean
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gdk_device_xi_get_history (GdkDevice *device,
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GdkWindow *window,
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guint32 start,
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guint32 stop,
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GdkTimeCoord ***events,
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gint *n_events)
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{
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GdkTimeCoord **coords;
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XDeviceTimeCoord *device_coords;
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GdkWindow *impl_window;
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GdkDeviceXI *device_xi;
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gint n_events_return;
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gint mode_return;
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gint axis_count_return;
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gint i;
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device_xi = GDK_DEVICE_XI (device);
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impl_window = _gdk_window_get_impl_window (window);
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device_coords = XGetDeviceMotionEvents (GDK_WINDOW_XDISPLAY (impl_window),
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device_xi->xdevice,
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start, stop,
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&n_events_return,
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&mode_return,
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&axis_count_return);
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if (!device_coords)
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return FALSE;
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*n_events = n_events_return;
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coords = _gdk_device_allocate_history (device, *n_events);
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for (i = 0; i < *n_events; i++)
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{
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coords[i]->time = device_coords[i].time;
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gdk_device_xi_translate_axes (device, window,
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device_coords[i].data,
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coords[i]->axes,
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NULL, NULL);
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}
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XFreeDeviceMotionEvents (device_coords);
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*events = coords;
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return TRUE;
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}
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static void
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gdk_device_xi_get_state (GdkDevice *device,
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GdkWindow *window,
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gdouble *axes,
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GdkModifierType *mask)
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{
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GdkDeviceXI *device_xi;
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XDeviceState *state;
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XInputClass *input_class;
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gint i;
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if (mask)
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gdk_window_get_pointer (window, NULL, NULL, mask);
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device_xi = GDK_DEVICE_XI (device);
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state = XQueryDeviceState (GDK_WINDOW_XDISPLAY (window),
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device_xi->xdevice);
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input_class = state->data;
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for (i = 0; i < state->num_classes; i++)
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{
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switch (input_class->class)
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{
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case ValuatorClass:
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if (axes)
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gdk_device_xi_translate_axes (device, window,
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((XValuatorState *) input_class)->valuators,
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axes, NULL, NULL);
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break;
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case ButtonClass:
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if (mask)
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{
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*mask &= 0xFF;
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if (((XButtonState *)input_class)->num_buttons > 0)
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*mask |= ((XButtonState *)input_class)->buttons[0] << 7;
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/* GDK_BUTTON1_MASK = 1 << 8, and button n is stored
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* in bit 1<<(n%8) in byte n/8. n = 1,2,... */
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}
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break;
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}
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input_class = (XInputClass *)(((char *)input_class)+input_class->length);
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}
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XFreeDeviceState (state);
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}
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static void
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gdk_device_xi_set_window_cursor (GdkDevice *device,
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GdkWindow *window,
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GdkCursor *cursor)
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{
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}
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static void
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gdk_device_xi_warp (GdkDevice *device,
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GdkScreen *screen,
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gint x,
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gint y)
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{
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}
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static void
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find_events (GdkDevice *device,
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GdkEventMask mask,
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XEventClass *classes,
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int *num_classes)
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{
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GdkDeviceXI *device_xi;
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XEventClass class;
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gint i;
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device_xi = GDK_DEVICE_XI (device);
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i = 0;
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if (mask & GDK_BUTTON_PRESS_MASK)
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{
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DeviceButtonPress (device_xi->xdevice, device_xi->button_press_type, class);
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if (class != 0)
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classes[i++] = class;
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DeviceButtonPressGrab (device_xi->xdevice, 0, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_BUTTON_RELEASE_MASK)
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{
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DeviceButtonRelease (device_xi->xdevice, device_xi->button_release_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & (GDK_POINTER_MOTION_MASK |
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GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK |
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GDK_BUTTON3_MOTION_MASK | GDK_BUTTON_MOTION_MASK))
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{
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/* Make sure device->motionnotify_type is set */
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DeviceMotionNotify (device_xi->xdevice, device_xi->motion_notify_type, class);
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if (class != 0)
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classes[i++] = class;
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DeviceStateNotify (device_xi->xdevice, device_xi->state_notify_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_KEY_PRESS_MASK)
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{
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DeviceKeyPress (device_xi->xdevice, device_xi->key_press_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_KEY_RELEASE_MASK)
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{
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DeviceKeyRelease (device_xi->xdevice, device_xi->key_release_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_PROXIMITY_IN_MASK)
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{
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ProximityIn (device_xi->xdevice, device_xi->proximity_in_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_PROXIMITY_OUT_MASK)
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{
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ProximityOut (device_xi->xdevice, device_xi->proximity_out_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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*num_classes = i;
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}
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static gboolean
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gdk_device_xi_query_state (GdkDevice *device,
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GdkWindow *window,
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GdkWindow **root_window,
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GdkWindow **child_window,
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gint *root_x,
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gint *root_y,
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gint *win_x,
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gint *win_y,
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GdkModifierType *mask)
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{
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return FALSE;
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}
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static GdkGrabStatus
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gdk_device_xi_grab (GdkDevice *device,
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GdkWindow *window,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkWindow *confine_to,
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GdkCursor *cursor,
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guint32 time_)
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{
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XEventClass event_classes[MAX_DEVICE_CLASSES];
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gint status, num_classes;
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GdkDeviceXI *device_xi;
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device_xi = GDK_DEVICE_XI (device);
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find_events (device, event_mask, event_classes, &num_classes);
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status = XGrabDevice (GDK_WINDOW_XDISPLAY (window),
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device_xi->xdevice,
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GDK_WINDOW_XWINDOW (window),
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owner_events,
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num_classes, event_classes,
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GrabModeAsync, GrabModeAsync,
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time_);
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return _gdk_x11_convert_grab_status (status);
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}
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static void
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gdk_device_xi_ungrab (GdkDevice *device,
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guint32 time_)
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{
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GdkDisplay *display;
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GdkDeviceXI *device_xi;
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device_xi = GDK_DEVICE_XI (device);
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display = gdk_device_get_display (device);
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XUngrabDevice (GDK_DISPLAY_XDISPLAY (device),
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device_xi->xdevice,
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time_);
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}
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static GdkWindow*
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gdk_device_xi_window_at_position (GdkDevice *device,
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gint *win_x,
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gint *win_y,
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GdkModifierType *mask,
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gboolean get_toplevel)
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{
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return NULL;
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}
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static void
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gdk_device_xi_select_window_events (GdkDevice *device,
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GdkWindow *window,
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GdkEventMask event_mask)
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{
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XEventClass event_classes[MAX_DEVICE_CLASSES];
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GdkDeviceXI *device_xi;
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gint num_classes;
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event_mask |= (GDK_PROXIMITY_IN_MASK |
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GDK_PROXIMITY_OUT_MASK);
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device_xi = GDK_DEVICE_XI (device);
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find_events (device, event_mask, event_classes, &num_classes);
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XSelectExtensionEvent (GDK_WINDOW_XDISPLAY (window),
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GDK_WINDOW_XWINDOW (window),
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event_classes, num_classes);
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if (event_mask)
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{
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GdkWindowInputInfo *info;
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info = g_new0 (GdkWindowInputInfo, 1);
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g_object_set_qdata_full (G_OBJECT (window),
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quark_window_input_info,
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info,
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(GDestroyNotify) g_free);
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}
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else
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g_object_set_qdata (G_OBJECT (window),
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quark_window_input_info,
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NULL);
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}
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void
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gdk_device_xi_update_window_info (GdkWindow *window)
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{
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GdkWindowInputInfo *info;
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gint root_x, root_y;
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info = g_object_get_qdata (G_OBJECT (window),
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quark_window_input_info);
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if (!info)
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return;
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gdk_window_get_origin (window, &root_x, &root_y);
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info->root_x = (gdouble) root_x;
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info->root_y = (gdouble) root_y;
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}
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static gboolean
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gdk_device_xi_get_window_info (GdkWindow *window,
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gdouble *root_x,
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gdouble *root_y)
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{
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GdkWindowInputInfo *info;
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|
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info = g_object_get_qdata (G_OBJECT (window),
|
|
quark_window_input_info);
|
|
|
|
if (!info)
|
|
return FALSE;
|
|
|
|
*root_x = info->root_x;
|
|
*root_y = info->root_y;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
gdk_device_xi_update_axes (GdkDevice *device,
|
|
gint axes_count,
|
|
gint first_axis,
|
|
gint *axis_data)
|
|
{
|
|
GdkDeviceXI *device_xi;
|
|
int i;
|
|
|
|
device_xi = GDK_DEVICE_XI (device);
|
|
g_return_if_fail (first_axis >= 0 && first_axis + axes_count <= device->num_axes);
|
|
|
|
if (!device_xi->axis_data)
|
|
device_xi->axis_data = g_new0 (gint, device->num_axes);
|
|
|
|
for (i = 0; i < axes_count; i++)
|
|
device_xi->axis_data[first_axis + i] = axis_data[i];
|
|
}
|
|
|
|
void
|
|
gdk_device_xi_translate_axes (GdkDevice *device,
|
|
GdkWindow *window,
|
|
gint *axis_data,
|
|
gdouble *axes,
|
|
gdouble *x,
|
|
gdouble *y)
|
|
{
|
|
GdkDeviceXI *device_xi;
|
|
GdkWindow *impl_window;
|
|
gdouble root_x, root_y;
|
|
gdouble temp_x, temp_y;
|
|
gint i;
|
|
|
|
device_xi = GDK_DEVICE_XI (device);
|
|
impl_window = _gdk_window_get_impl_window (window);
|
|
temp_x = temp_y = 0;
|
|
|
|
if (!gdk_device_xi_get_window_info (impl_window, &root_x, &root_y))
|
|
return;
|
|
|
|
for (i = 0; i < device->num_axes; i++)
|
|
{
|
|
GdkAxisUse use;
|
|
|
|
use = _gdk_device_get_axis_use (device, i);
|
|
|
|
switch (use)
|
|
{
|
|
case GDK_AXIS_X:
|
|
case GDK_AXIS_Y:
|
|
if (device->mode == GDK_MODE_WINDOW)
|
|
_gdk_device_translate_window_coord (device, window,
|
|
i, axis_data[i],
|
|
&axes[i]);
|
|
else
|
|
_gdk_device_translate_screen_coord (device, window,
|
|
root_x, root_y,
|
|
i, 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, axis_data[i], &axes[i]);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (x)
|
|
*x = temp_x;
|
|
|
|
if (y)
|
|
*y = temp_y;
|
|
}
|