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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk/gdksurface.h>
#include <windowsx.h>
#include <objbase.h>
#include "gdkwin32.h"
#include "gdkdevice-wintab.h"
#include "gdkdisplay-win32.h"
G_DEFINE_TYPE (GdkDeviceWintab, gdk_device_wintab, GDK_TYPE_DEVICE)
static GdkModifierType
get_current_mask (void)
{
GdkModifierType mask;
BYTE kbd[256];
GetKeyboardState (kbd);
mask = 0;
if (kbd[VK_SHIFT] & 0x80)
mask |= GDK_SHIFT_MASK;
if (kbd[VK_CAPITAL] & 0x80)
mask |= GDK_LOCK_MASK;
if (kbd[VK_CONTROL] & 0x80)
mask |= GDK_CONTROL_MASK;
if (kbd[VK_MENU] & 0x80)
mask |= GDK_ALT_MASK;
if (kbd[VK_LBUTTON] & 0x80)
mask |= GDK_BUTTON1_MASK;
if (kbd[VK_MBUTTON] & 0x80)
mask |= GDK_BUTTON2_MASK;
if (kbd[VK_RBUTTON] & 0x80)
mask |= GDK_BUTTON3_MASK;
return mask;
}
static void
gdk_device_wintab_set_surface_cursor (GdkDevice *device,
GdkSurface *window,
GdkCursor *cursor)
{
}
void
gdk_device_wintab_query_state (GdkDevice *device,
GdkSurface *window,
GdkSurface **child_window,
double *win_x,
double *win_y,
GdkModifierType *mask)
{
GdkDisplay *display = gdk_device_get_display (device);
GdkDeviceWintab *device_wintab;
POINT point;
HWND hwnd, hwndc;
int scale;
device_wintab = GDK_DEVICE_WINTAB (device);
if (window)
{
scale = GDK_WIN32_SURFACE (window)->surface_scale;
hwnd = GDK_SURFACE_HWND (window);
}
else
{
scale = GDK_WIN32_DISPLAY (display)->surface_scale;
hwnd = NULL;
}
GetCursorPos (&point);
if (hwnd)
ScreenToClient (hwnd, &point);
if (win_x)
*win_x = point.x / scale;
if (win_y)
*win_y = point.y / scale;
if (hwnd && child_window)
{
hwndc = ChildWindowFromPoint (hwnd, point);
if (hwndc && hwndc != hwnd)
*child_window = gdk_win32_surface_lookup_for_display (display, hwndc);
else
*child_window = NULL; /* Direct child unknown to gdk */
}
if (mask)
{
*mask = get_current_mask ();
*mask &= 0xFF; /* Mask away core pointer buttons */
*mask |= ((device_wintab->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
}
}
static GdkGrabStatus
gdk_device_wintab_grab (GdkDevice *device,
GdkSurface *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkSurface *confine_to,
GdkCursor *cursor,
guint32 time_)
{
return GDK_GRAB_SUCCESS;
}
static void
gdk_device_wintab_ungrab (GdkDevice *device,
guint32 time_)
{
}
static GdkSurface *
gdk_device_wintab_surface_at_position (GdkDevice *device,
double *win_x,
double *win_y,
GdkModifierType *mask)
{
return NULL;
}
void
_gdk_device_wintab_translate_axes (GdkDeviceWintab *device_wintab,
GdkSurface *window,
double *axes,
double *x,
double *y)
{
GdkDevice *device;
GdkSurface *impl_surface;
int root_x, root_y;
double temp_x, temp_y;
int i;
device = GDK_DEVICE (device_wintab);
impl_surface = window;
temp_x = temp_y = 0;
gdk_surface_get_origin (impl_surface, &root_x, &root_y);
for (i = 0; i < gdk_device_get_n_axes (device); i++)
{
GdkAxisUse use;
use = gdk_device_get_axis_use (device, i);
switch (use)
{
case GDK_AXIS_X:
case GDK_AXIS_Y:
{
HMONITOR hmonitor;
MONITORINFO minfo = {sizeof (MONITORINFO),};
hmonitor = MonitorFromWindow (GDK_SURFACE_HWND (window),
MONITOR_DEFAULTTONEAREST);
GetMonitorInfo (hmonitor, &minfo);
/* XXX: the dimensions from minfo may need to be scaled for HiDPI usage */
_gdk_device_translate_screen_coord (device, window,
root_x, root_y,
minfo.rcWork.right - minfo.rcWork.left,
minfo.rcWork.bottom - minfo.rcWork.top,
i,
device_wintab->last_axis_data[i],
&axes[use]);
}
if (use == GDK_AXIS_X)
temp_x = axes[use];
else if (use == GDK_AXIS_Y)
temp_y = axes[use];
break;
default:
_gdk_device_translate_axis (device, i,
device_wintab->last_axis_data[i],
&axes[use]);
break;
}
}
if (x)
*x = temp_x;
if (y)
*y = temp_y;
}
static void
gdk_device_wintab_class_init (GdkDeviceWintabClass *klass)
{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->set_surface_cursor = gdk_device_wintab_set_surface_cursor;
device_class->grab = gdk_device_wintab_grab;
device_class->ungrab = gdk_device_wintab_ungrab;
device_class->surface_at_position = gdk_device_wintab_surface_at_position;
}
static void
gdk_device_wintab_init (GdkDeviceWintab *device_wintab)
{
}
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