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230ce9bfde
Besides the implicit x/y assumptions, devices don't have axes. Those are actually provided by the GdkDeviceTool driving the device, and different tools may have different axes. It does not make sense to offer this API that can change beneath someone's feet, we now have gdk_device_tool_get_axes() which is static to the tool.
159 lines
6.5 KiB
C
159 lines
6.5 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GDK_DEVICE_PRIVATE_H__
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#define __GDK_DEVICE_PRIVATE_H__
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#include "gdkdevice.h"
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#include "gdkdevicetool.h"
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#include "gdkevents.h"
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#include "gdkseat.h"
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#include "gdkinternals.h"
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G_BEGIN_DECLS
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#define GDK_DEVICE_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_DEVICE, GdkDeviceClass))
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#define GDK_IS_DEVICE_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_DEVICE))
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#define GDK_DEVICE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_DEVICE, GdkDeviceClass))
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typedef struct _GdkDeviceClass GdkDeviceClass;
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struct _GdkDevice
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{
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GObject parent_instance;
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char *name;
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GdkInputSource source;
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gboolean has_cursor;
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GdkDeviceType type;
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GdkDisplay *display;
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/* The paired logical device for logical devices,
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* or the associated logical device for physical ones
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*/
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GdkDevice *associated;
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GList *physical_devices;
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GArray *axes;
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guint num_touches;
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char *vendor_id;
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char *product_id;
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GdkSeat *seat;
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GdkDeviceTool *last_tool;
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};
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struct _GdkDeviceClass
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{
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GObjectClass parent_class;
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void (* get_state) (GdkDevice *device,
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GdkSurface *surface,
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double *axes,
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GdkModifierType *mask);
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void (* set_surface_cursor)(GdkDevice *device,
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GdkSurface *surface,
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GdkCursor *cursor);
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void (* query_state) (GdkDevice *device,
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GdkSurface *surface,
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GdkSurface **child_surface,
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double *win_x,
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double *win_y,
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GdkModifierType *mask);
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GdkGrabStatus (* grab) (GdkDevice *device,
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GdkSurface *surface,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkSurface *confine_to,
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GdkCursor *cursor,
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guint32 time_);
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void (*ungrab) (GdkDevice *device,
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guint32 time_);
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GdkSurface * (* surface_at_position) (GdkDevice *device,
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double *win_x,
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double *win_y,
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GdkModifierType *mask);
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};
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void _gdk_device_set_associated_device (GdkDevice *device,
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GdkDevice *relative);
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void _gdk_device_reset_axes (GdkDevice *device);
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guint _gdk_device_add_axis (GdkDevice *device,
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GdkAxisUse use,
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double min_value,
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double max_value,
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double resolution);
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void _gdk_device_get_axis_info (GdkDevice *device,
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guint index,
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GdkAxisUse *use,
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double *min_value,
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double *max_value,
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double *resolution);
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gboolean _gdk_device_translate_surface_coord (GdkDevice *device,
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GdkSurface *surface,
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guint index,
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double value,
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double *axis_value);
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gboolean _gdk_device_translate_screen_coord (GdkDevice *device,
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GdkSurface *surface,
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double surface_root_x,
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double surface_root_y,
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double screen_width,
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double screen_height,
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guint index,
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double value,
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double *axis_value);
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gboolean _gdk_device_translate_axis (GdkDevice *device,
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guint index,
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double value,
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double *axis_value);
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GdkTimeCoord ** _gdk_device_allocate_history (GdkDevice *device,
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int n_events);
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void _gdk_device_add_physical_device (GdkDevice *device,
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GdkDevice *physical);
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void _gdk_device_remove_physical_device (GdkDevice *device,
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GdkDevice *physical);
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void _gdk_device_query_state (GdkDevice *device,
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GdkSurface *surface,
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GdkSurface **child_surface,
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double *win_x,
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double *win_y,
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GdkModifierType *mask);
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GdkSurface * _gdk_device_surface_at_position (GdkDevice *device,
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double *win_x,
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double *win_y,
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GdkModifierType *mask);
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void gdk_device_set_seat (GdkDevice *device,
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GdkSeat *seat);
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void gdk_device_update_tool (GdkDevice *device,
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GdkDeviceTool *tool);
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G_END_DECLS
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#endif /* __GDK_DEVICE_PRIVATE_H__ */
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