Pileus Git - ~andy/gtk/blob - gdk/x11/gdkinputprivate.h

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __GDK_INPUTPRIVATE_H__
  28 #define __GDK_INPUTPRIVATE_H__
  29
  30 #include "config.h"
  31 #include "gdkinput.h"
  32 #include "gdkevents.h"
  33 #include "gdkx.h"
  34
  35 #include <X11/Xlib.h>
  36
  37 #ifndef XINPUT_NONE
  38 #include <X11/extensions/XInput.h>
  39 #endif
  40
  41
  42 typedef struct _GdkAxisInfo    GdkAxisInfo;
  43 typedef struct _GdkDevicePrivate GdkDevicePrivate;
  44 typedef struct _GdkInputWindow GdkInputWindow;
  45
  46 /* information about a device axis */
  47 struct _GdkAxisInfo
  48 {
  49   /* reported x resolution */
  50   gint xresolution;
  51
  52   /* reported x minimum/maximum values */
  53   gint xmin_value, xmax_value;
  54
  55   /* calibrated resolution (for aspect ration) - only relative values
  56      between axes used */
  57   gint resolution;
  58
  59   /* calibrated minimum/maximum values */
  60   gint min_value, max_value;
  61 };
  62
  63 #define GDK_INPUT_NUM_EVENTC 6
  64
  65 struct _GdkDevicePrivate
  66 {
  67   GdkDevice info;
  68
  69   guint32 deviceid;
  70
  71   GdkDisplay *display;
  72
  73
  74 #ifndef XINPUT_NONE
  75   /* information about the axes */
  76   GdkAxisInfo *axes;
  77
  78   /* Information about XInput device */
  79   XDevice       *xdevice;
  80
  81   /* minimum key code for device */
  82   gint min_keycode;
  83
  84   int buttonpress_type, buttonrelease_type, keypress_type,
  85       keyrelease_type, motionnotify_type, proximityin_type,
  86       proximityout_type, changenotify_type;
  87
  88   /* true if we need to select a different set of events, but
  89      can't because this is the core pointer */
  90   gint needs_update;
  91
  92   /* Mask of buttons (used for button grabs) */
  93   gint button_state;
  94
  95   /* true if we've claimed the device as active. (used only for XINPUT_GXI) */
  96   gint claimed;
  97 #endif /* !XINPUT_NONE */
  98 };
  99
 100 struct _GdkDeviceClass
 101 {
 102   GObjectClass parent_class;
 103 };
 104
 105 struct _GdkInputWindow
 106 {
 107   /* gdk window */
 108   GdkWindow *window;
 109
 110   /* Extension mode (GDK_EXTENSION_EVENTS_ALL/CURSOR) */
 111   GdkExtensionMode mode;
 112
 113   /* position relative to root window */
 114   gint root_x;
 115   gint root_y;
 116
 117   /* rectangles relative to window of windows obscuring this one */
 118   GdkRectangle *obscuring;
 119   gint num_obscuring;
 120
 121   /* Is there a pointer grab for this window ? */
 122   gint grabbed;
 123 };
 124
 125
 126
 127 /* Global data */
 128
 129 #define GDK_IS_CORE(d) (((GdkDevice *)(d)) == ((GdkDevicePrivate *)(d))->display->core_pointer)
 130
 131 /* Function declarations */
 132
 133 GdkInputWindow *_gdk_input_window_find       (GdkWindow *window);
 134 void            _gdk_input_window_destroy    (GdkWindow *window);
 135 GdkTimeCoord ** _gdk_device_allocate_history (GdkDevice *device,
 136                                               gint       n_events);
 137 void            _gdk_init_input_core         (GdkDisplay *display);
 138
 139 /* The following functions are provided by each implementation
 140  * (xfree, gxi, and none)
 141  */
 142 gint             _gdk_input_enable_window     (GdkWindow        *window,
 143                                               GdkDevicePrivate *gdkdev);
 144 gint             _gdk_input_disable_window    (GdkWindow        *window,
 145                                               GdkDevicePrivate *gdkdev);
 146 void             _gdk_input_configure_event  (XConfigureEvent  *xevent,
 147                                               GdkWindow        *window);
 148 void             _gdk_input_enter_event      (XCrossingEvent   *xevent,
 149                                               GdkWindow        *window);
 150 gboolean         _gdk_input_other_event      (GdkEvent         *event,
 151                                               XEvent           *xevent,
 152                                               GdkWindow        *window);
 153 gint             _gdk_input_grab_pointer     (GdkWindow        *window,
 154                                               gint              owner_events,
 155                                               GdkEventMask      event_mask,
 156                                               GdkWindow        *confine_to,
 157                                               guint32           time);
 158 void             _gdk_input_ungrab_pointer   (GdkDisplay       *display,
 159                                               guint32           time);
 160 gboolean         _gdk_device_get_history     (GdkDevice         *device,
 161                                               GdkWindow         *window,
 162                                               guint32            start,
 163                                               guint32            stop,
 164                                               GdkTimeCoord    ***events,
 165                                               gint              *n_events);
 166
 167 #ifndef XINPUT_NONE
 168
 169 #define GDK_MAX_DEVICE_CLASSES 13
 170
 171 gint               _gdk_input_common_init               (GdkDisplay       *display,
 172                                                          gint              include_core);
 173 GdkDevicePrivate * _gdk_input_find_device               (GdkDisplay       *display,
 174                                                          guint32           id);
 175 void               _gdk_input_get_root_relative_geometry(Display          *display,
 176                                                          Window            w,
 177                                                          int              *x_ret,
 178                                                          int              *y_ret,
 179                                                          int              *width_ret,
 180                                                          int              *height_ret);
 181 void               _gdk_input_common_find_events        (GdkWindow        *window,
 182                                                          GdkDevicePrivate *gdkdev,
 183                                                          gint              mask,
 184                                                          XEventClass      *classes,
 185                                                          int              *num_classes);
 186 void               _gdk_input_common_select_events      (GdkWindow        *window,
 187                                                          GdkDevicePrivate *gdkdev);
 188 gint               _gdk_input_common_other_event        (GdkEvent         *event,
 189                                                          XEvent           *xevent,
 190                                                          GdkInputWindow   *input_window,
 191                                                          GdkDevicePrivate *gdkdev);
 192
 193 #endif /* !XINPUT_NONE */
 194
 195 #endif /* __GDK_INPUTPRIVATE_H__ */