Pileus Git - ~andy/gtk/blob - gdk/gdkdeviceprivate.h

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
   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 #ifndef __GDK_DEVICE_PRIVATE_H__
  21 #define __GDK_DEVICE_PRIVATE_H__
  22
  23 #include "gdkdevice.h"
  24 #include "gdkdevicemanager.h"
  25 #include "gdkevents.h"
  26
  27 G_BEGIN_DECLS
  28
  29 #define GDK_DEVICE_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_DEVICE, GdkDeviceClass))
  30 #define GDK_IS_DEVICE_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_DEVICE))
  31 #define GDK_DEVICE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_DEVICE, GdkDeviceClass))
  32
  33 typedef struct _GdkDeviceClass GdkDeviceClass;
  34
  35 typedef struct _GdkDeviceKey GdkDeviceKey;
  36
  37 struct _GdkDeviceKey
  38 {
  39   guint keyval;
  40   GdkModifierType modifiers;
  41 };
  42
  43 struct _GdkDevice
  44 {
  45   GObject parent_instance;
  46
  47   gchar *name;
  48   GdkInputSource source;
  49   GdkInputMode mode;
  50   gboolean has_cursor;
  51   gint num_keys;
  52   GdkDeviceKey *keys;
  53   GdkDeviceManager *manager;
  54   GdkDisplay *display;
  55   /* Paired master for master,
  56    * associated master for slaves
  57    */
  58   GdkDevice *associated;
  59   GList *slaves;
  60   GdkDeviceType type;
  61   GArray *axes;
  62 };
  63
  64 struct _GdkDeviceClass
  65 {
  66   GObjectClass parent_class;
  67
  68   gboolean (* get_history)   (GdkDevice      *device,
  69                               GdkWindow      *window,
  70                               guint32         start,
  71                               guint32         stop,
  72                               GdkTimeCoord ***events,
  73                               gint           *n_events);
  74
  75   void (* get_state)         (GdkDevice       *device,
  76                               GdkWindow       *window,
  77                               gdouble         *axes,
  78                               GdkModifierType *mask);
  79
  80   void (* set_window_cursor) (GdkDevice *device,
  81                               GdkWindow *window,
  82                               GdkCursor *cursor);
  83
  84   void (* warp)              (GdkDevice  *device,
  85                               GdkScreen  *screen,
  86                               gint        x,
  87                               gint        y);
  88   gboolean (* query_state)   (GdkDevice        *device,
  89                               GdkWindow        *window,
  90                               GdkWindow       **root_window,
  91                               GdkWindow       **child_window,
  92                               gint             *root_x,
  93                               gint             *root_y,
  94                               gint             *win_x,
  95                               gint             *win_y,
  96                               GdkModifierType  *mask);
  97   GdkGrabStatus (* grab)     (GdkDevice        *device,
  98                               GdkWindow        *window,
  99                               gboolean          owner_events,
 100                               GdkEventMask      event_mask,
 101                               GdkWindow        *confine_to,
 102                               GdkCursor        *cursor,
 103                               guint32           time_);
 104   void          (*ungrab)    (GdkDevice        *device,
 105                               guint32           time_);
 106
 107   GdkWindow * (* window_at_position) (GdkDevice       *device,
 108                                       gint            *win_x,
 109                                       gint            *win_y,
 110                                       GdkModifierType *mask,
 111                                       gboolean         get_toplevel);
 112   void (* select_window_events)      (GdkDevice       *device,
 113                                       GdkWindow       *window,
 114                                       GdkEventMask     event_mask);
 115 };
 116
 117 void  _gdk_device_set_associated_device (GdkDevice *device,
 118                                          GdkDevice *relative);
 119
 120 void  _gdk_device_reset_axes (GdkDevice   *device);
 121 guint _gdk_device_add_axis   (GdkDevice   *device,
 122                               GdkAtom      label_atom,
 123                               GdkAxisUse   use,
 124                               gdouble      min_value,
 125                               gdouble      max_value,
 126                               gdouble      resolution);
 127
 128 void _gdk_device_set_keys    (GdkDevice   *device,
 129                               guint        num_keys);
 130
 131 GdkAxisUse _gdk_device_get_axis_use (GdkDevice *device,
 132                                      guint      index);
 133
 134 gboolean   _gdk_device_translate_window_coord (GdkDevice *device,
 135                                                GdkWindow *window,
 136                                                guint      index,
 137                                                gdouble    value,
 138                                                gdouble   *axis_value);
 139
 140 gboolean   _gdk_device_translate_screen_coord (GdkDevice *device,
 141                                                GdkWindow *window,
 142                                                gint       window_root_x,
 143                                                gint       window_root_y,
 144                                                guint      index,
 145                                                gdouble    value,
 146                                                gdouble   *axis_value);
 147
 148 gboolean   _gdk_device_translate_axis         (GdkDevice *device,
 149                                                guint      index,
 150                                                gdouble    value,
 151                                                gdouble   *axis_value);
 152
 153 GdkTimeCoord ** _gdk_device_allocate_history  (GdkDevice *device,
 154                                                gint       n_events);
 155
 156 void _gdk_device_add_slave (GdkDevice *device,
 157                             GdkDevice *slave);
 158 void _gdk_device_remove_slave (GdkDevice *device,
 159                                GdkDevice *slave);
 160
 161 G_END_DECLS
 162
 163 #endif /* __GDK_DEVICE_PRIVATE_H__ */