forked from AuroraMiddleware/gtk
298 lines
7.8 KiB
C
298 lines
7.8 KiB
C
/* 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 "gdkdevice-win32.h"
|
|
#include "gdkwin32.h"
|
|
#include "gdkdisplay-win32.h"
|
|
|
|
G_DEFINE_TYPE (GdkDeviceWin32, gdk_device_win32, GDK_TYPE_DEVICE)
|
|
|
|
static gboolean
|
|
gdk_device_win32_get_history (GdkDevice *device,
|
|
GdkSurface *window,
|
|
guint32 start,
|
|
guint32 stop,
|
|
GdkTimeCoord ***events,
|
|
gint *n_events)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gdk_device_win32_get_state (GdkDevice *device,
|
|
GdkSurface *window,
|
|
gdouble *axes,
|
|
GdkModifierType *mask)
|
|
{
|
|
double x, y;
|
|
|
|
gdk_surface_get_device_position (window, device, &x, &y, mask);
|
|
|
|
if (axes)
|
|
{
|
|
axes[0] = round (x);
|
|
axes[1] = round (y);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gdk_device_win32_set_surface_cursor (GdkDevice *device,
|
|
GdkSurface *window,
|
|
GdkCursor *cursor)
|
|
{
|
|
}
|
|
|
|
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_MOD1_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_win32_query_state (GdkDevice *device,
|
|
GdkSurface *window,
|
|
GdkSurface **child_window,
|
|
gdouble *root_x,
|
|
gdouble *root_y,
|
|
gdouble *win_x,
|
|
gdouble *win_y,
|
|
GdkModifierType *mask)
|
|
{
|
|
POINT point;
|
|
HWND hwnd, hwndc;
|
|
gint scale;
|
|
|
|
if (window)
|
|
{
|
|
scale = GDK_SURFACE_IMPL_WIN32 (window->impl)->surface_scale;
|
|
hwnd = GDK_SURFACE_HWND (window);
|
|
}
|
|
else
|
|
{
|
|
GdkDisplay *display = gdk_device_get_display (device);
|
|
|
|
scale = GDK_WIN32_DISPLAY (display)->surface_scale;
|
|
hwnd = NULL;
|
|
}
|
|
|
|
GetCursorPos (&point);
|
|
|
|
if (root_x)
|
|
*root_x = point.x / scale;
|
|
|
|
if (root_y)
|
|
*root_y = point.y / scale;
|
|
|
|
if (hwnd)
|
|
ScreenToClient (hwnd, &point);
|
|
|
|
if (win_x)
|
|
*win_x = point.x / scale;
|
|
|
|
if (win_y)
|
|
*win_y = point.y / scale;
|
|
|
|
if (window)
|
|
{
|
|
if (win_x)
|
|
*win_x += _gdk_offset_x;
|
|
|
|
if (win_y)
|
|
*win_y += _gdk_offset_y;
|
|
|
|
if (root_x)
|
|
*root_x += _gdk_offset_x;
|
|
|
|
if (root_y)
|
|
*root_y += _gdk_offset_y;
|
|
}
|
|
|
|
if (hwnd && child_window)
|
|
{
|
|
hwndc = ChildWindowFromPoint (hwnd, point);
|
|
|
|
if (hwndc && hwndc != hwnd)
|
|
*child_window = gdk_win32_handle_table_lookup (hwndc);
|
|
else
|
|
*child_window = NULL; /* Direct child unknown to gdk */
|
|
}
|
|
|
|
if (mask)
|
|
*mask = get_current_mask ();
|
|
}
|
|
|
|
static GdkGrabStatus
|
|
gdk_device_win32_grab (GdkDevice *device,
|
|
GdkSurface *window,
|
|
gboolean owner_events,
|
|
GdkEventMask event_mask,
|
|
GdkSurface *confine_to,
|
|
GdkCursor *cursor,
|
|
guint32 time_)
|
|
{
|
|
/* No support for grabbing the slave atm */
|
|
return GDK_GRAB_NOT_VIEWABLE;
|
|
}
|
|
|
|
static void
|
|
gdk_device_win32_ungrab (GdkDevice *device,
|
|
guint32 time_)
|
|
{
|
|
}
|
|
|
|
static void
|
|
screen_to_client (HWND hwnd, POINT screen_pt, POINT *client_pt)
|
|
{
|
|
*client_pt = screen_pt;
|
|
ScreenToClient (hwnd, client_pt);
|
|
}
|
|
|
|
GdkSurface *
|
|
_gdk_device_win32_surface_at_position (GdkDevice *device,
|
|
gdouble *win_x,
|
|
gdouble *win_y,
|
|
GdkModifierType *mask,
|
|
gboolean get_toplevel)
|
|
{
|
|
GdkSurface *window = NULL;
|
|
GdkSurfaceImplWin32 *impl = NULL;
|
|
POINT screen_pt, client_pt;
|
|
HWND hwnd, hwndc;
|
|
RECT rect;
|
|
|
|
GetCursorPos (&screen_pt);
|
|
|
|
if (get_toplevel)
|
|
{
|
|
/* Only consider visible children of the desktop to avoid the various
|
|
* non-visible windows you often find on a running Windows box. These
|
|
* might overlap our windows and cause our walk to fail. As we assume
|
|
* WindowFromPoint() can find our windows, we follow similar logic
|
|
* here, and ignore invisible and disabled windows.
|
|
*/
|
|
hwnd = GetDesktopWindow ();
|
|
do {
|
|
window = gdk_win32_handle_table_lookup (hwnd);
|
|
|
|
if (window != NULL)
|
|
break;
|
|
|
|
screen_to_client (hwnd, screen_pt, &client_pt);
|
|
hwndc = ChildWindowFromPointEx (hwnd, client_pt, CWP_SKIPDISABLED |
|
|
CWP_SKIPINVISIBLE);
|
|
|
|
/* Verify that we're really inside the client area of the window */
|
|
if (hwndc != hwnd)
|
|
{
|
|
GetClientRect (hwndc, &rect);
|
|
screen_to_client (hwndc, screen_pt, &client_pt);
|
|
if (!PtInRect (&rect, client_pt))
|
|
hwndc = hwnd;
|
|
}
|
|
|
|
} while (hwndc != hwnd && (hwnd = hwndc, 1));
|
|
|
|
}
|
|
else
|
|
{
|
|
hwnd = WindowFromPoint (screen_pt);
|
|
|
|
/* Verify that we're really inside the client area of the window */
|
|
GetClientRect (hwnd, &rect);
|
|
screen_to_client (hwnd, screen_pt, &client_pt);
|
|
if (!PtInRect (&rect, client_pt))
|
|
hwnd = NULL;
|
|
|
|
/* If we didn't hit any window at that point, return the desktop */
|
|
if (hwnd == NULL)
|
|
{
|
|
if (win_x)
|
|
*win_x = screen_pt.x + _gdk_offset_x;
|
|
if (win_y)
|
|
*win_y = screen_pt.y + _gdk_offset_y;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
window = gdk_win32_handle_table_lookup (hwnd);
|
|
}
|
|
|
|
if (window && (win_x || win_y))
|
|
{
|
|
impl = GDK_SURFACE_IMPL_WIN32 (window->impl);
|
|
|
|
if (win_x)
|
|
*win_x = client_pt.x / impl->surface_scale;
|
|
if (win_y)
|
|
*win_y = client_pt.y / impl->surface_scale;
|
|
}
|
|
|
|
return window;
|
|
}
|
|
|
|
static void
|
|
gdk_device_win32_class_init (GdkDeviceWin32Class *klass)
|
|
{
|
|
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
|
|
|
|
device_class->get_history = gdk_device_win32_get_history;
|
|
device_class->get_state = gdk_device_win32_get_state;
|
|
device_class->set_surface_cursor = gdk_device_win32_set_surface_cursor;
|
|
device_class->query_state = gdk_device_win32_query_state;
|
|
device_class->grab = gdk_device_win32_grab;
|
|
device_class->ungrab = gdk_device_win32_ungrab;
|
|
device_class->surface_at_position = _gdk_device_win32_surface_at_position;
|
|
}
|
|
|
|
static void
|
|
gdk_device_win32_init (GdkDeviceWin32 *device_win32)
|
|
{
|
|
GdkDevice *device;
|
|
|
|
device = GDK_DEVICE (device_win32);
|
|
|
|
_gdk_device_add_axis (device, NULL, GDK_AXIS_X, 0, 0, 1);
|
|
_gdk_device_add_axis (device, NULL, GDK_AXIS_Y, 0, 0, 1);
|
|
}
|