gtk/gdk/mir/gdkmirpointer.c
2015-02-05 17:26:18 +01:00

257 lines
7.9 KiB
C

/*
* Copyright © 2014 Canonical Ltd
*
* 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 "gdkdisplayprivate.h"
#include "gdkdeviceprivate.h"
#include "gdkscreen.h"
#include "gdkwindow.h"
typedef struct GdkMirPointer GdkMirPointer;
typedef struct GdkMirPointerClass GdkMirPointerClass;
#define GDK_TYPE_MIR_POINTER (gdk_mir_pointer_get_type ())
#define GDK_MIR_POINTER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_MIR_POINTER, GdkMirPointer))
#define GDK_MIR_POINTER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_MIR_POINTER, GdkMirPointerClass))
#define GDK_IS_MIR_POINTER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_MIR_POINTER))
#define GDK_IS_MIR_POINTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_MIR_POINTER))
#define GDK_MIR_POINTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_MIR_POINTER, GdkMirPointerClass))
struct GdkMirPointer
{
GdkDevice parent_instance;
/* Location of pointer */
gdouble x;
gdouble y;
/* Window this pointer is over */
GdkWindow *over_window;
/* Current modifier mask */
GdkModifierType modifier_mask;
};
struct GdkMirPointerClass
{
GdkDeviceClass parent_class;
};
G_DEFINE_TYPE (GdkMirPointer, gdk_mir_pointer, GDK_TYPE_DEVICE)
GdkDevice *
_gdk_mir_pointer_new (GdkDeviceManager *device_manager, const gchar *name)
{
return g_object_new (GDK_TYPE_MIR_POINTER,
"display", gdk_device_manager_get_display (device_manager),
"device-manager", device_manager,
"name", name,
"type", GDK_DEVICE_TYPE_MASTER,
"input-source", GDK_SOURCE_MOUSE,
"input-mode", GDK_MODE_SCREEN,
"has-cursor", TRUE,
NULL);
}
void
_gdk_mir_pointer_set_location (GdkDevice *pointer,
gdouble x,
gdouble y,
GdkWindow *window,
GdkModifierType mask)
{
GdkMirPointer *p = GDK_MIR_POINTER (pointer);
p->x = x;
p->y = y;
if (p->over_window)
g_object_unref (p->over_window);
p->over_window = g_object_ref (window);
p->modifier_mask = mask;
}
static gboolean
gdk_mir_pointer_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
g_printerr ("gdk_mir_pointer_get_history\n");
return FALSE;
}
static void
gdk_mir_pointer_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
//g_printerr ("gdk_mir_pointer_get_state\n");
GdkMirPointer *p = GDK_MIR_POINTER (device);
gdouble x, y;
gdk_window_get_device_position_double (window, device, &x, &y, mask);
if (axes)
{
axes[0] = p->x;
axes[1] = p->y;
}
}
static void
gdk_mir_pointer_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
{
//g_printerr ("gdk_mir_pointer_set_window_cursor\n");
/* Mir doesn't support cursors */
}
static void
gdk_mir_pointer_warp (GdkDevice *device,
GdkScreen *screen,
gdouble x,
gdouble y)
{
//g_printerr ("gdk_mir_pointer_warp\n");
/* Mir doesn't support warping */
}
static void
gdk_mir_pointer_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)
{
//g_printerr ("gdk_mir_pointer_query_state\n");
GdkMirPointer *p = GDK_MIR_POINTER (device);
if (root_window)
*root_window = gdk_screen_get_root_window (gdk_display_get_default_screen (gdk_device_get_display (device)));
if (child_window)
*child_window = p->over_window;
if (root_x)
*root_x = p->x;
if (root_y)
*root_y = p->y;
if (win_x)
*win_x = p->x; // FIXME
if (win_y)
*win_y = p->y;
if (mask)
*mask = p->modifier_mask;
}
static GdkGrabStatus
gdk_mir_pointer_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_)
{
//g_printerr ("gdk_mir_pointer_grab\n");
/* Mir doesn't do grabs, so sure, you have the grab */
return GDK_GRAB_SUCCESS;
}
static void
gdk_mir_pointer_ungrab (GdkDevice *device,
guint32 time_)
{
//g_printerr ("gdk_mir_pointer_ungrab\n");
/* Mir doesn't do grabs */
GdkDeviceGrabInfo *grab = _gdk_display_get_last_device_grab (gdk_device_get_display (device), device);
if (grab)
grab->serial_end = grab->serial_start;
}
static GdkWindow *
gdk_mir_pointer_window_at_position (GdkDevice *device,
gdouble *win_x,
gdouble *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
{
//g_printerr ("gdk_mir_pointer_window_at_position\n");
GdkMirPointer *p = GDK_MIR_POINTER (device);
if (win_x)
*win_x = p->x;
if (win_y)
*win_y = p->y;
if (mask)
*mask = p->modifier_mask;
return p->over_window;
}
static void
gdk_mir_pointer_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask)
{
g_printerr ("gdk_mir_pointer_select_window_events\n");
// FIXME?
}
static void
gdk_mir_pointer_init (GdkMirPointer *device)
{
}
static void
gdk_mir_pointer_finalize (GObject *object)
{
GdkMirPointer *p = GDK_MIR_POINTER (object);
if (p->over_window)
g_object_unref (p->over_window);
G_OBJECT_CLASS (gdk_mir_pointer_parent_class)->finalize (object);
}
static void
gdk_mir_pointer_class_init (GdkMirPointerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
object_class->finalize = gdk_mir_pointer_finalize;
device_class->get_history = gdk_mir_pointer_get_history;
device_class->get_state = gdk_mir_pointer_get_state;
device_class->set_window_cursor = gdk_mir_pointer_set_window_cursor;
device_class->warp = gdk_mir_pointer_warp;
device_class->query_state = gdk_mir_pointer_query_state;
device_class->grab = gdk_mir_pointer_grab;
device_class->ungrab = gdk_mir_pointer_ungrab;
device_class->window_at_position = gdk_mir_pointer_window_at_position;
device_class->select_window_events = gdk_mir_pointer_select_window_events;
}