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 typedef struct _GdkDeviceKey GdkDeviceKey;
  35
  36 struct _GdkDeviceKey
  37 {
  38   guint keyval;
  39   GdkModifierType modifiers;
  40 };
  41
  42 struct _GdkDevice
  43 {
  44   GObject parent_instance;
  45
  46   gchar *name;
  47   GdkInputSource source;
  48   GdkInputMode mode;
  49   gboolean has_cursor;
  50   gint num_keys;
  51   GdkDeviceKey *keys;
  52   GdkDeviceManager *manager;
  53   GdkDisplay *display;
  54   /* Paired master for master,
  55    * associated master for slaves
  56    */
  57   GdkDevice *associated;
  58   GList *slaves;
  59   GdkDeviceType type;
  60   GArray *axes;
  61 };
  62
  63 struct _GdkDeviceClass
  64 {
  65   GObjectClass parent_class;
  66
  67   gboolean (* get_history)   (GdkDevice      *device,
  68                               GdkWindow      *window,
  69                               guint32         start,
  70                               guint32         stop,
  71                               GdkTimeCoord ***events,
  72                               gint           *n_events);
  73
  74   void (* get_state)         (GdkDevice       *device,
  75                               GdkWindow       *window,
  76                               gdouble         *axes,
  77                               GdkModifierType *mask);
  78
  79   void (* set_window_cursor) (GdkDevice *device,
  80                               GdkWindow *window,
  81                               GdkCursor *cursor);
  82
  83   void (* warp)              (GdkDevice  *device,
  84                               GdkScreen  *screen,
  85                               gint        x,
  86                               gint        y);
  87   gboolean (* query_state)   (GdkDevice       *device,
  88                               GdkWindow       *window,
  89                               GdkWindow      **root_window,
  90                               GdkWindow      **child_window,
  91                               gint             *root_x,
  92                               gint             *root_y,
  93                               gint             *win_x,
  94                               gint             *win_y,
  95                               GdkModifierType  *mask);
  96   GdkGrabStatus (* grab)     (GdkDevice        *device,
  97                               GdkWindow        *window,
  98                               gboolean          owner_events,
  99                               GdkEventMask      event_mask,
 100                               GdkWindow        *confine_to,
 101                               GdkCursor        *cursor,
 102                               guint32           time_);
 103   void          (*ungrab)    (GdkDevice        *device,
 104                               guint32           time_);
 105
 106   GdkWindow * (* window_at_position) (GdkDevice       *device,
 107                                       gint            *win_x,
 108                                       gint            *win_y,
 109                                       GdkModifierType *mask,
 110                                       gboolean         get_toplevel);
 111   void (* select_window_events)      (GdkDevice       *device,
 112                                       GdkWindow       *window,
 113                                       GdkEventMask     event_mask);
 114 };
 115
 116 void  _gdk_device_set_associated_device (GdkDevice *device,
 117                                          GdkDevice *relative);
 118
 119 void  _gdk_device_reset_axes (GdkDevice   *device);
 120 guint _gdk_device_add_axis   (GdkDevice   *device,
 121                               GdkAtom      label_atom,
 122                               GdkAxisUse   use,
 123                               gdouble      min_value,
 124                               gdouble      max_value,
 125                               gdouble      resolution);
 126
 127 void _gdk_device_set_keys    (GdkDevice   *device,
 128                               guint        num_keys);
 129
 130 gboolean   _gdk_device_translate_window_coord (GdkDevice *device,
 131                                                GdkWindow *window,
 132                                                guint      index,
 133                                                gdouble    value,
 134                                                gdouble   *axis_value);
 135
 136 gboolean   _gdk_device_translate_screen_coord (GdkDevice *device,
 137                                                GdkWindow *window,
 138                                                gint       window_root_x,
 139                                                gint       window_root_y,
 140                                                guint      index,
 141                                                gdouble    value,
 142                                                gdouble   *axis_value);
 143
 144 gboolean   _gdk_device_translate_axis         (GdkDevice *device,
 145                                                guint      index,
 146                                                gdouble    value,
 147                                                gdouble   *axis_value);
 148
 149 GdkTimeCoord ** _gdk_device_allocate_history  (GdkDevice *device,
 150                                                gint       n_events);
 151
 152 void _gdk_device_add_slave (GdkDevice *device,
 153                             GdkDevice *slave);
 154 void _gdk_device_remove_slave (GdkDevice *device,
 155                                GdkDevice *slave);
 156 gboolean   _gdk_device_query_state            (GdkDevice        *device,
 157                                                GdkWindow        *window,
 158                                                GdkWindow       **root_window,
 159                                                GdkWindow       **child_window,
 160                                                gint             *root_x,
 161                                                gint             *root_y,
 162                                                gint             *win_x,
 163                                                gint             *win_y,
 164                                                GdkModifierType  *mask);
 165 GdkWindow * _gdk_device_window_at_position    (GdkDevice        *device,
 166                                                gint             *win_x,
 167                                                gint             *win_y,
 168                                                GdkModifierType  *mask,
 169                                                gboolean          get_toplevel);
 170
 171 G_END_DECLS
 172
 173 #endif /* __GDK_DEVICE_PRIVATE_H__ */