mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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0e01f9cc9c
Due to the work on gdk_cursor_new_from_surface (commit b2113b73),
get_cursor_for_pixbuf() in GdkDisplayClass was converted to
get_cursor_for_surface(), which means the GDK Win32 backend needs to be
updated for the code to build and run on Windows, plus some function
prototypes and declarations/calls need to be updated as well.
https://bugzilla.gnome.org/show_bug.cgi?id=705980
344 lines
11 KiB
C
344 lines
11 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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#include "config.h"
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#include <gdk/gdkwindow.h>
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#include <windowsx.h>
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#include <objbase.h>
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#include "gdkwin32.h"
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#include "gdkdevice-wintab.h"
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static gboolean gdk_device_wintab_get_history (GdkDevice *device,
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GdkWindow *window,
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guint32 start,
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guint32 stop,
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GdkTimeCoord ***events,
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gint *n_events);
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static void gdk_device_wintab_get_state (GdkDevice *device,
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GdkWindow *window,
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gdouble *axes,
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GdkModifierType *mask);
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static void gdk_device_wintab_set_window_cursor (GdkDevice *device,
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GdkWindow *window,
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GdkCursor *cursor);
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static void gdk_device_wintab_warp (GdkDevice *device,
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GdkScreen *screen,
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gdouble x,
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gdouble y);
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static void gdk_device_wintab_query_state (GdkDevice *device,
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GdkWindow *window,
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GdkWindow **root_window,
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GdkWindow **child_window,
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gdouble *root_x,
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gdouble *root_y,
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gdouble *win_x,
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gdouble *win_y,
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GdkModifierType *mask);
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static GdkGrabStatus gdk_device_wintab_grab (GdkDevice *device,
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GdkWindow *window,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkWindow *confine_to,
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GdkCursor *cursor,
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guint32 time_);
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static void gdk_device_wintab_ungrab (GdkDevice *device,
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guint32 time_);
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static GdkWindow * gdk_device_wintab_window_at_position (GdkDevice *device,
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gdouble *win_x,
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gdouble *win_y,
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GdkModifierType *mask,
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gboolean get_toplevel);
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static void gdk_device_wintab_select_window_events (GdkDevice *device,
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GdkWindow *window,
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GdkEventMask event_mask);
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G_DEFINE_TYPE (GdkDeviceWintab, gdk_device_wintab, GDK_TYPE_DEVICE)
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static void
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gdk_device_wintab_class_init (GdkDeviceWintabClass *klass)
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{
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GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
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device_class->get_history = gdk_device_wintab_get_history;
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device_class->get_state = gdk_device_wintab_get_state;
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device_class->set_window_cursor = gdk_device_wintab_set_window_cursor;
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device_class->warp = gdk_device_wintab_warp;
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device_class->query_state = gdk_device_wintab_query_state;
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device_class->grab = gdk_device_wintab_grab;
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device_class->ungrab = gdk_device_wintab_ungrab;
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device_class->window_at_position = gdk_device_wintab_window_at_position;
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device_class->select_window_events = gdk_device_wintab_select_window_events;
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}
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static void
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gdk_device_wintab_init (GdkDeviceWintab *device_wintab)
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{
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GdkDevice *device;
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device = GDK_DEVICE (device_wintab);
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}
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static gboolean
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gdk_device_wintab_get_history (GdkDevice *device,
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GdkWindow *window,
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guint32 start,
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guint32 stop,
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GdkTimeCoord ***events,
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gint *n_events)
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{
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return FALSE;
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}
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static GdkModifierType
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get_current_mask (void)
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{
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GdkModifierType mask;
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BYTE kbd[256];
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GetKeyboardState (kbd);
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mask = 0;
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if (kbd[VK_SHIFT] & 0x80)
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mask |= GDK_SHIFT_MASK;
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if (kbd[VK_CAPITAL] & 0x80)
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mask |= GDK_LOCK_MASK;
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if (kbd[VK_CONTROL] & 0x80)
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mask |= GDK_CONTROL_MASK;
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if (kbd[VK_MENU] & 0x80)
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mask |= GDK_MOD1_MASK;
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if (kbd[VK_LBUTTON] & 0x80)
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mask |= GDK_BUTTON1_MASK;
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if (kbd[VK_MBUTTON] & 0x80)
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mask |= GDK_BUTTON2_MASK;
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if (kbd[VK_RBUTTON] & 0x80)
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mask |= GDK_BUTTON3_MASK;
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return mask;
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}
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static void
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gdk_device_wintab_get_state (GdkDevice *device,
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GdkWindow *window,
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gdouble *axes,
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GdkModifierType *mask)
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{
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GdkDeviceWintab *device_wintab;
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device_wintab = GDK_DEVICE_WINTAB (device);
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/* For now just use the last known button and axis state of the device.
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* Since graphical tablets send an insane amount of motion events each
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* second, the info should be fairly up to date */
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if (mask)
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{
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*mask = get_current_mask ();
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*mask &= 0xFF; /* Mask away core pointer buttons */
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*mask |= ((device_wintab->button_state << 8)
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& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
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| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
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| GDK_BUTTON5_MASK));
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}
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if (axes && device_wintab->last_axis_data)
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_gdk_device_wintab_translate_axes (device_wintab, window, axes, NULL, NULL);
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}
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static void
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gdk_device_wintab_set_window_cursor (GdkDevice *device,
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GdkWindow *window,
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GdkCursor *cursor)
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{
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}
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static void
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gdk_device_wintab_warp (GdkDevice *device,
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GdkScreen *screen,
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gdouble x,
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gdouble y)
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{
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}
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static void
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gdk_device_wintab_query_state (GdkDevice *device,
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GdkWindow *window,
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GdkWindow **root_window,
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GdkWindow **child_window,
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gdouble *root_x,
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gdouble *root_y,
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gdouble *win_x,
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gdouble *win_y,
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GdkModifierType *mask)
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{
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GdkDeviceWintab *device_wintab;
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POINT point;
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HWND hwnd, hwndc;
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device_wintab = GDK_DEVICE_WINTAB (device);
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hwnd = GDK_WINDOW_HWND (window);
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GetCursorPos (&point);
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if (root_x)
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*root_x = point.x;
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if (root_y)
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*root_y = point.y;
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ScreenToClient (hwnd, &point);
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if (win_x)
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*win_x = point.x;
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if (win_y)
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*win_y = point.y;
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if (window == _gdk_root)
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{
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if (win_x)
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*win_x += _gdk_offset_x;
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if (win_y)
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*win_y += _gdk_offset_y;
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}
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if (child_window)
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{
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hwndc = ChildWindowFromPoint (hwnd, point);
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if (hwndc && hwndc != hwnd)
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*child_window = gdk_win32_handle_table_lookup (hwndc);
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else
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*child_window = NULL; /* Direct child unknown to gdk */
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}
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if (root_window)
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{
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GdkScreen *screen;
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screen = gdk_window_get_screen (window);
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*root_window = gdk_screen_get_root_window (screen);
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}
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if (mask)
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{
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*mask = get_current_mask ();
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*mask &= 0xFF; /* Mask away core pointer buttons */
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*mask |= ((device_wintab->button_state << 8)
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& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
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| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
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| GDK_BUTTON5_MASK));
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}
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}
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static GdkGrabStatus
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gdk_device_wintab_grab (GdkDevice *device,
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GdkWindow *window,
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gboolean owner_events,
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GdkEventMask event_mask,
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GdkWindow *confine_to,
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GdkCursor *cursor,
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guint32 time_)
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{
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return GDK_GRAB_SUCCESS;
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}
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static void
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gdk_device_wintab_ungrab (GdkDevice *device,
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guint32 time_)
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{
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}
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static GdkWindow *
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gdk_device_wintab_window_at_position (GdkDevice *device,
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gdouble *win_x,
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gdouble *win_y,
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GdkModifierType *mask,
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gboolean get_toplevel)
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{
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return NULL;
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}
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static void
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gdk_device_wintab_select_window_events (GdkDevice *device,
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GdkWindow *window,
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GdkEventMask event_mask)
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{
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}
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void
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_gdk_device_wintab_translate_axes (GdkDeviceWintab *device_wintab,
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GdkWindow *window,
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gdouble *axes,
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gdouble *x,
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gdouble *y)
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{
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GdkDevice *device;
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GdkWindow *impl_window;
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gint root_x, root_y;
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gdouble temp_x, temp_y;
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gint i;
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device = GDK_DEVICE (device_wintab);
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impl_window = _gdk_window_get_impl_window (window);
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temp_x = temp_y = 0;
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gdk_window_get_origin (impl_window, &root_x, &root_y);
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for (i = 0; i < gdk_device_get_n_axes (device); i++)
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{
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GdkAxisUse use;
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use = gdk_device_get_axis_use (device, i);
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switch (use)
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{
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case GDK_AXIS_X:
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case GDK_AXIS_Y:
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if (gdk_device_get_mode (device) == GDK_MODE_WINDOW)
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_gdk_device_translate_window_coord (device, window, i,
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device_wintab->last_axis_data[i],
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&axes[i]);
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else
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_gdk_device_translate_screen_coord (device, window,
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root_x, root_y, i,
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device_wintab->last_axis_data[i],
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&axes[i]);
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if (use == GDK_AXIS_X)
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temp_x = axes[i];
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else if (use == GDK_AXIS_Y)
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temp_y = axes[i];
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break;
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default:
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_gdk_device_translate_axis (device, i,
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device_wintab->last_axis_data[i],
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&axes[i]);
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break;
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}
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}
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if (x)
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*x = temp_x;
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if (y)
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*y = temp_y;
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}
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