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gtk/gdk/quartz/gdkdevice-core-quartz.c

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
* Copyright (C) 2010 Kristian Rietveld <kris@gtk.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/gdkdeviceprivate.h>
#include <gdk/gdkdisplayprivate.h>
#import "GdkQuartzView.h"
#include "gdkquartzwindow.h"
#include "gdkquartzcursor.h"
#include "gdkprivate-quartz.h"
#include "gdkquartzdevice-core.h"
struct _GdkQuartzDeviceCore
{
GdkDevice parent_instance;
};
struct _GdkQuartzDeviceCoreClass
{
GdkDeviceClass parent_class;
};
static gboolean gdk_quartz_device_core_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events);
static void gdk_quartz_device_core_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask);
static void gdk_quartz_device_core_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor);
static void gdk_quartz_device_core_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y);
static void gdk_quartz_device_core_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gdouble *root_x,
gdouble *root_y,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask);
static GdkGrabStatus gdk_quartz_device_core_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_);
static void gdk_quartz_device_core_ungrab (GdkDevice *device,
guint32 time_);
static GdkWindow * gdk_quartz_device_core_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel);
static void gdk_quartz_device_core_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask);
G_DEFINE_TYPE (GdkQuartzDeviceCore, gdk_quartz_device_core, GDK_TYPE_DEVICE)
static void
gdk_quartz_device_core_class_init (GdkQuartzDeviceCoreClass *klass)
{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->get_history = gdk_quartz_device_core_get_history;
device_class->get_state = gdk_quartz_device_core_get_state;
device_class->set_window_cursor = gdk_quartz_device_core_set_window_cursor;
device_class->warp = gdk_quartz_device_core_warp;
device_class->query_state = gdk_quartz_device_core_query_state;
device_class->grab = gdk_quartz_device_core_grab;
device_class->ungrab = gdk_quartz_device_core_ungrab;
device_class->window_at_position = gdk_quartz_device_core_window_at_position;
device_class->select_window_events = gdk_quartz_device_core_select_window_events;
}
static void
gdk_quartz_device_core_init (GdkQuartzDeviceCore *quartz_device_core)
{
GdkDevice *device;
device = GDK_DEVICE (quartz_device_core);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_X, 0, 0, 1);
_gdk_device_add_axis (device, GDK_NONE, GDK_AXIS_Y, 0, 0, 1);
}
static gboolean
gdk_quartz_device_core_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
return FALSE;
}
static void
gdk_quartz_device_core_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
gint x_int, y_int;
gdk_window_get_pointer (window, &x_int, &y_int, mask);
if (axes)
{
axes[0] = x_int;
axes[1] = y_int;
}
}
static void
translate_coords_to_child_coords (GdkWindow *parent,
GdkWindow *child,
gint *x,
gint *y)
{
GdkWindow *current = child;
if (child == parent)
return;
while (current != parent)
{
gint tmp_x, tmp_y;
gdk_window_get_origin (current, &tmp_x, &tmp_y);
*x -= tmp_x;
*y -= tmp_y;
current = gdk_window_get_effective_parent (current);
}
}
static void
gdk_quartz_device_core_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
{
NSCursor *nscursor;
if (GDK_WINDOW_DESTROYED (window))
return;
nscursor = _gdk_quartz_cursor_get_ns_cursor (cursor);
[nscursor set];
}
static void
gdk_quartz_device_core_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y)
{
CGDisplayMoveCursorToPoint (CGMainDisplayID (), CGPointMake (x, y));
}
static GdkWindow *
gdk_quartz_device_core_query_state_helper (GdkWindow *window,
GdkDevice *device,
gdouble *x,
gdouble *y,
GdkModifierType *mask)
{
GdkWindow *toplevel;
NSPoint point;
gint x_tmp, y_tmp;
GdkWindow *found_window;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
if (GDK_WINDOW_DESTROYED (window))
{
*x = 0;
*y = 0;
*mask = 0;
return NULL;
}
toplevel = gdk_window_get_effective_toplevel (window);
if (mask)
*mask = _gdk_quartz_events_get_current_keyboard_modifiers () |
_gdk_quartz_events_get_current_mouse_modifiers ();
/* Get the y coordinate, needs to be flipped. */
if (window == _gdk_root)
{
point = [NSEvent mouseLocation];
_gdk_quartz_window_nspoint_to_gdk_xy (point, &x_tmp, &y_tmp);
}
else
{
GdkWindowImplQuartz *impl;
NSWindow *nswindow;
impl = GDK_WINDOW_IMPL_QUARTZ (toplevel->impl);
nswindow = impl->toplevel;
point = [nswindow mouseLocationOutsideOfEventStream];
x_tmp = point.x;
y_tmp = toplevel->height - point.y;
window = toplevel;
}
found_window = _gdk_quartz_window_find_child (window, x_tmp, y_tmp,
FALSE);
if (found_window == _gdk_root)
found_window = NULL;
else if (found_window)
translate_coords_to_child_coords (window, found_window,
&x_tmp, &y_tmp);
if (x)
*x = x_tmp;
if (y)
*y = y_tmp;
return found_window;
}
static void
gdk_quartz_device_core_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gdouble *root_x,
gdouble *root_y,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask)
{
GdkWindow *found_window;
NSPoint point;
gint x_tmp, y_tmp;
found_window = gdk_quartz_device_core_query_state_helper (window, device,
win_x, win_y,
mask);
if (root_window)
*root_window = _gdk_root;
if (child_window)
*child_window = found_window;
point = [NSEvent mouseLocation];
_gdk_quartz_window_nspoint_to_gdk_xy (point, &x_tmp, &y_tmp);
if (root_x)
*root_x = x_tmp;
if (root_y)
*root_y = y_tmp;
}
static GdkGrabStatus
gdk_quartz_device_core_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_)
{
/* Should remain empty */
return GDK_GRAB_SUCCESS;
}
static void
gdk_quartz_device_core_ungrab (GdkDevice *device,
guint32 time_)
{
GdkDeviceGrabInfo *grab;
grab = _gdk_display_get_last_device_grab (_gdk_display, device);
if (grab)
grab->serial_end = 0;
_gdk_display_device_grab_update (_gdk_display, device, NULL, 0);
}
static GdkWindow *
gdk_quartz_device_core_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
{
GdkDisplay *display;
GdkScreen *screen;
GdkWindow *found_window;
NSPoint point;
gint x_tmp, y_tmp;
display = gdk_device_get_display (device);
screen = gdk_display_get_default_screen (display);
/* Get mouse coordinates, find window under the mouse pointer */
point = [NSEvent mouseLocation];
_gdk_quartz_window_nspoint_to_gdk_xy (point, &x_tmp, &y_tmp);
found_window = _gdk_quartz_window_find_child (_gdk_root, x_tmp, y_tmp,
get_toplevel);
if (found_window)
translate_coords_to_child_coords (_gdk_root, found_window,
&x_tmp, &y_tmp);
if (win_x)
*win_x = found_window ? x_tmp : -1;
if (win_y)
*win_y = found_window ? y_tmp : -1;
if (mask)
*mask = _gdk_quartz_events_get_current_keyboard_modifiers () |
_gdk_quartz_events_get_current_mouse_modifiers ();
return found_window;
}
static void
gdk_quartz_device_core_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask)
{
/* The mask is set in the common code. */
}
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