344 lines
12 KiB
C
344 lines
12 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "widgets-types.h"
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#include "pikadeviceinfo.h"
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#include "pikadeviceinfo-coords.h"
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static const PikaCoords default_coords = PIKA_COORDS_DEFAULT_VALUES;
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/* public functions */
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gboolean
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pika_device_info_get_event_coords (PikaDeviceInfo *info,
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GdkWindow *window,
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const GdkEvent *event,
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PikaCoords *coords)
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{
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gdouble x;
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if (event && gdk_event_get_axis (event, GDK_AXIS_X, &x))
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{
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*coords = default_coords;
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coords->x = x;
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gdk_event_get_axis (event, GDK_AXIS_Y, &coords->y);
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/* translate event coordinates to window coordinates, only
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* happens if we drag a guide from a ruler
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*/
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if (event->any.window &&
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event->any.window != window)
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{
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GtkWidget *src_widget;
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GtkWidget *dest_widget;
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src_widget = gtk_get_event_widget ((GdkEvent *) event);
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gdk_window_get_user_data (window, (gpointer) &dest_widget);
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if (src_widget && dest_widget)
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{
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gint offset_x;
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gint offset_y;
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if (gtk_widget_translate_coordinates (src_widget, dest_widget,
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0, 0,
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&offset_x, &offset_y))
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{
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coords->x += offset_x;
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coords->y += offset_y;
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}
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}
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}
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if (gdk_event_get_axis (event, GDK_AXIS_PRESSURE, &coords->pressure))
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{
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coords->pressure = pika_device_info_map_axis (info,
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GDK_AXIS_PRESSURE,
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coords->pressure);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_XTILT, &coords->xtilt))
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{
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coords->xtilt = pika_device_info_map_axis (info,
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GDK_AXIS_XTILT,
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coords->xtilt);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_YTILT, &coords->ytilt))
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{
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coords->ytilt = pika_device_info_map_axis (info,
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GDK_AXIS_YTILT,
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coords->ytilt);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_WHEEL, &coords->wheel))
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{
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coords->wheel = pika_device_info_map_axis (info,
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GDK_AXIS_WHEEL,
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coords->wheel);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_DISTANCE, &coords->distance))
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{
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coords->distance = pika_device_info_map_axis (info,
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GDK_AXIS_DISTANCE,
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coords->distance);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_ROTATION, &coords->rotation))
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{
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coords->rotation = pika_device_info_map_axis (info,
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GDK_AXIS_ROTATION,
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coords->rotation);
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}
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if (gdk_event_get_axis (event, GDK_AXIS_SLIDER, &coords->slider))
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{
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coords->slider = pika_device_info_map_axis (info,
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GDK_AXIS_SLIDER,
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coords->slider);
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}
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return TRUE;
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}
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pika_device_info_get_device_coords (info, window, coords);
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return FALSE;
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}
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void
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pika_device_info_get_device_coords (PikaDeviceInfo *info,
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GdkWindow *window,
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PikaCoords *coords)
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{
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GdkDevice *device = pika_device_info_get_device (info, NULL);
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gdouble axes[GDK_AXIS_LAST] = { 0, };
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if (gdk_device_get_device_type (device) == GDK_DEVICE_TYPE_SLAVE)
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device = gdk_device_get_associated_device (device);
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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device = gdk_device_get_associated_device (device);
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*coords = default_coords;
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gdk_device_get_state (device, window, axes, NULL);
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#if 0
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gdk_device_get_axis (device, axes, GDK_AXIS_X, &coords->x);
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gdk_device_get_axis (device, axes, GDK_AXIS_Y, &coords->y);
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#else
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{
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gint x, y;
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gdk_window_get_device_position (window, device, &x, &y, NULL);
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coords->x = x;
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coords->y = y;
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}
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#endif
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_PRESSURE, &coords->pressure))
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{
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coords->pressure = pika_device_info_map_axis (info,
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GDK_AXIS_PRESSURE,
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coords->pressure);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_XTILT, &coords->xtilt))
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{
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coords->xtilt = pika_device_info_map_axis (info,
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GDK_AXIS_XTILT,
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coords->xtilt);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_YTILT, &coords->ytilt))
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{
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coords->ytilt = pika_device_info_map_axis (info,
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GDK_AXIS_YTILT,
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coords->ytilt);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_WHEEL, &coords->wheel))
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{
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coords->wheel = pika_device_info_map_axis (info,
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GDK_AXIS_WHEEL,
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coords->wheel);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_DISTANCE, &coords->distance))
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{
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coords->distance = pika_device_info_map_axis (info,
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GDK_AXIS_DISTANCE,
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coords->distance);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_ROTATION, &coords->rotation))
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{
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coords->rotation = pika_device_info_map_axis (info,
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GDK_AXIS_ROTATION,
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coords->rotation);
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}
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if (gdk_device_get_axis (device,
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axes, GDK_AXIS_SLIDER, &coords->slider))
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{
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coords->slider = pika_device_info_map_axis (info,
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GDK_AXIS_SLIDER,
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coords->slider);
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}
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}
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void
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pika_device_info_get_time_coords (PikaDeviceInfo *info,
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GdkTimeCoord *event,
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PikaCoords *coords)
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{
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GdkDevice *device = pika_device_info_get_device (info, NULL);
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*coords = default_coords;
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gdk_device_get_axis (device, event->axes, GDK_AXIS_X, &coords->x);
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gdk_device_get_axis (device, event->axes, GDK_AXIS_Y, &coords->y);
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/* CLAMP() the return value of each *_get_axis() call to be safe
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* against buggy XInput drivers.
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*/
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_PRESSURE, &coords->pressure))
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{
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coords->pressure = pika_device_info_map_axis (info,
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GDK_AXIS_PRESSURE,
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coords->pressure);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_XTILT, &coords->xtilt))
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{
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coords->xtilt = pika_device_info_map_axis (info,
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GDK_AXIS_XTILT,
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coords->xtilt);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_YTILT, &coords->ytilt))
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{
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coords->ytilt = pika_device_info_map_axis (info,
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GDK_AXIS_YTILT,
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coords->ytilt);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_WHEEL, &coords->wheel))
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{
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coords->wheel = pika_device_info_map_axis (info,
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GDK_AXIS_WHEEL,
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coords->wheel);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_DISTANCE, &coords->distance))
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{
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coords->distance = pika_device_info_map_axis (info,
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GDK_AXIS_DISTANCE,
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coords->distance);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_ROTATION, &coords->rotation))
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{
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coords->rotation = pika_device_info_map_axis (info,
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GDK_AXIS_ROTATION,
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coords->rotation);
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}
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if (gdk_device_get_axis (device,
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event->axes, GDK_AXIS_SLIDER, &coords->slider))
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{
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coords->slider = pika_device_info_map_axis (info,
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GDK_AXIS_SLIDER,
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coords->slider);
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}
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}
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gboolean
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pika_device_info_get_event_state (PikaDeviceInfo *info,
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GdkWindow *window,
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const GdkEvent *event,
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GdkModifierType *state)
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{
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if (gdk_event_get_state (event, state))
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return TRUE;
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pika_device_info_get_device_state (info, window, state);
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return FALSE;
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}
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void
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pika_device_info_get_device_state (PikaDeviceInfo *info,
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GdkWindow *window,
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GdkModifierType *state)
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{
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GdkDevice *device = pika_device_info_get_device (info, NULL);
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switch (gdk_device_get_device_type (device))
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{
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case GDK_DEVICE_TYPE_SLAVE:
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device = gdk_device_get_associated_device (device);
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break;
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case GDK_DEVICE_TYPE_FLOATING:
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{
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GdkDisplay *display = gdk_device_get_display (device);
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GdkSeat *seat = gdk_display_get_default_seat (display);
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device = gdk_seat_get_pointer (seat);
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}
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break;
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default:
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break;
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}
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if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
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device = gdk_device_get_associated_device (device);
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gdk_device_get_state (device, window, NULL, state);
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}
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