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 Library 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  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library 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 1997-1999.  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 typedef struct _GdkAxisInfo    GdkAxisInfo;
  42 typedef struct _GdkInputVTable GdkInputVTable;
  43 typedef struct _GdkDevicePrivate GdkDevicePrivate;
  44 typedef struct _GdkInputWindow GdkInputWindow;
  45
  46 struct _GdkInputVTable {
  47   gint (*set_mode) (guint32 deviceid, GdkInputMode mode);
  48   void (*set_axes) (guint32 deviceid, GdkAxisUse *axes);
  49   void (*set_key)  (guint32 deviceid,
  50                     guint   index,
  51                     guint   keyval,
  52                     GdkModifierType modifiers);
  53
  54   GdkTimeCoord* (*motion_events) (GdkWindow *window,
  55                                   guint32 deviceid,
  56                                   guint32 start,
  57                                   guint32 stop,
  58                                   gint *nevents_return);
  59   void (*get_pointer)   (GdkWindow       *window,
  60                          guint32          deviceid,
  61                          gdouble         *x,
  62                          gdouble         *y,
  63                          gdouble         *pressure,
  64                          gdouble         *xtilt,
  65                          gdouble         *ytilt,
  66                          GdkModifierType *mask);
  67   gint (*grab_pointer) (GdkWindow *     window,
  68                         gint            owner_events,
  69                         GdkEventMask    event_mask,
  70                         GdkWindow *     confine_to,
  71                         guint32         time);
  72   void (*ungrab_pointer) (guint32 time);
  73
  74   void (*configure_event) (XConfigureEvent *xevent, GdkWindow *window);
  75   void (*enter_event) (XCrossingEvent *xevent, GdkWindow *window);
  76   gint (*other_event) (GdkEvent *event, XEvent *xevent, GdkWindow *window);
  77   /* Handle an unidentified event. Returns TRUE if handled, FALSE
  78      otherwise */
  79   gint (*window_none_event) (GdkEvent *event, XEvent *xevent);
  80   gint (*enable_window) (GdkWindow *window, GdkDevicePrivate *gdkdev);
  81   gint (*disable_window) (GdkWindow *window, GdkDevicePrivate *gdkdev);
  82 };
  83
  84 /* information about a device axis */
  85 struct _GdkAxisInfo
  86 {
  87   /* reported x resolution */
  88   gint xresolution;
  89
  90   /* reported x minimum/maximum values */
  91   gint xmin_value, xmax_value;
  92
  93   /* calibrated resolution (for aspect ration) - only relative values
  94      between axes used */
  95   gint resolution;
  96
  97   /* calibrated minimum/maximum values */
  98   gint min_value, max_value;
  99 };
 100
 101 #define GDK_INPUT_NUM_EVENTC 6
 102
 103 struct _GdkDevicePrivate {
 104   GdkDeviceInfo  info;
 105
 106 #ifndef XINPUT_NONE
 107   /* information about the axes */
 108   GdkAxisInfo *axes;
 109
 110   /* reverse lookup on axis use type */
 111   gint axis_for_use[GDK_AXIS_LAST];
 112
 113   /* Information about XInput device */
 114   XDevice       *xdevice;
 115
 116   /* minimum key code for device */
 117   gint min_keycode;
 118
 119   int buttonpress_type, buttonrelease_type, keypress_type,
 120       keyrelease_type, motionnotify_type, proximityin_type,
 121       proximityout_type, changenotify_type;
 122
 123   /* true if we need to select a different set of events, but
 124      can't because this is the core pointer */
 125   gint needs_update;
 126
 127   /* Mask of buttons (used for button grabs) */
 128   gint button_state;
 129
 130   /* true if we've claimed the device as active. (used only for XINPUT_GXI) */
 131   gint claimed;
 132 #endif /* !XINPUT_NONE */
 133 };
 134
 135 struct _GdkInputWindow
 136 {
 137   /* gdk window */
 138   GdkWindow *window;
 139
 140   /* Extension mode (GDK_EXTENSION_EVENTS_ALL/CURSOR) */
 141   GdkExtensionMode mode;
 142
 143   /* position relative to root window */
 144   gint16 root_x;
 145   gint16 root_y;
 146
 147   /* rectangles relative to window of windows obscuring this one */
 148   GdkRectangle *obscuring;
 149   gint num_obscuring;
 150
 151   /* Is there a pointer grab for this window ? */
 152   gint grabbed;
 153 };
 154
 155 /* Global data */
 156
 157 extern const GdkDeviceInfo gdk_input_core_info;
 158 extern GList *gdk_input_devices;
 159 extern GList *gdk_input_windows;
 160
 161 extern GdkInputVTable gdk_input_vtable;
 162 /* information about network port and host for gxid daemon */
 163 extern gchar           *gdk_input_gxid_host;
 164 extern gint             gdk_input_gxid_port;
 165 extern gint             gdk_input_ignore_core;
 166
 167 /* Function declarations */
 168
 169 GdkDevicePrivate * gdk_input_find_device    (guint32           id);
 170 GdkInputWindow *   gdk_input_window_find    (GdkWindow        *window);
 171 void               gdk_input_window_destroy (GdkWindow        *window);
 172 void               gdk_input_init           (void);
 173 void               gdk_input_exit           (void);
 174 gint               gdk_input_enable_window  (GdkWindow        *window,
 175                                              GdkDevicePrivate *gdkdev);
 176 gint               gdk_input_disable_window (GdkWindow        *window,
 177                                              GdkDevicePrivate *gdkdev);
 178
 179 #ifndef XINPUT_NONE
 180
 181 #define GDK_MAX_DEVICE_CLASSES 13
 182
 183 gint           gdk_input_common_init                (gint              include_core);
 184 void           gdk_input_get_root_relative_geometry (Display          *dpy,
 185                                                      Window            w,
 186                                                      int              *x_ret,
 187                                                      int              *y_ret,
 188                                                      int              *width_ret,
 189                                                      int              *height_ret);
 190 void           gdk_input_common_find_events         (GdkWindow        *window,
 191                                                      GdkDevicePrivate *gdkdev,
 192                                                      gint              mask,
 193                                                      XEventClass      *classes,
 194                                                      int              *num_classes);
 195 void           gdk_input_common_select_events       (GdkWindow        *window,
 196                                                      GdkDevicePrivate *gdkdev);
 197 gint           gdk_input_common_other_event         (GdkEvent         *event,
 198                                                      XEvent           *xevent,
 199                                                      GdkInputWindow   *input_window,
 200                                                      GdkDevicePrivate *gdkdev);
 201 void           gdk_input_common_get_pointer         (GdkWindow        *window,
 202                                                      guint32           deviceid,
 203                                                      gdouble          *x,
 204                                                      gdouble          *y,
 205                                                      gdouble          *pressure,
 206                                                      gdouble          *xtilt,
 207                                                      gdouble          *ytilt,
 208                                                      GdkModifierType  *mask);
 209 void           gdk_input_common_set_key             (guint32           deviceid,
 210                                                      guint             index,
 211                                                      guint             keyval,
 212                                                      GdkModifierType   modifiers);
 213 void           gdk_input_common_set_axes            (guint32           deviceid,
 214                                                      GdkAxisUse       *axes);
 215 GdkTimeCoord * gdk_input_common_motion_events       (GdkWindow        *window,
 216                                                      guint32           deviceid,
 217                                                      guint32           start,
 218                                                      guint32           stop,
 219                                                      gint             *nevents_return);
 220
 221 #endif /* !XINPUT_NONE */
 222
 223 GdkDevicePrivate *gdk_input_find_device (guint32 id);
 224 GdkInputWindow *gdk_input_window_find (GdkWindow *window);
 225 void gdk_input_window_destroy (GdkWindow *window);
 226 void gdk_input_exit           (void);
 227
 228 #endif /* __GDK_INPUTPRIVATE_H__ */