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gtk2/gdk/mir/gdkmirwindowimpl.c
Matthias Clasen 6ab72b2653 Remove GdkDragProtocol from the api 
...together with apis that return it. We were not using this
information in GTK+ at all, so no need to provide it.
2017-12-03 06:41:08 +01:00

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/*
* 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 <inttypes.h>
#include <math.h>
#include "config.h"
#include "gdk.h"
#include "gdkmir.h"
#include "gdkmir-private.h"
#include "gdkwindowimpl.h"
#include "gdkinternals.h"
#include "gdkintl.h"
#include "gdkdisplayprivate.h"
#include "gdkdeviceprivate.h"
#define GDK_MIR_WINDOW_IMPL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WINDOW_IMPL_MIR, GdkMirWindowImplClass))
#define GDK_IS_WINDOW_IMPL_MIR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WINDOW_IMPL_MIR))
#define GDK_MIR_WINDOW_IMPL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WINDOW_IMPL_MIR, GdkMirWindowImplClass))
#define MAX_EGL_ATTRS 30
typedef struct
{
GdkAtom type;
GArray *array;
} GdkMirProperty;
static GdkMirProperty *
gdk_mir_property_new (GdkAtom type,
guint format,
guint capacity)
{
GdkMirProperty *property = g_slice_new (GdkMirProperty);
property->type = type;
property->array = g_array_sized_new (TRUE, FALSE, format, capacity);
return property;
}
static void
gdk_mir_property_free (gpointer data)
{
GdkMirProperty *property = data;
if (!property)
return;
g_array_unref (property->array);
g_slice_free (GdkMirProperty, property);
}
typedef struct _GdkMirWindowImplClass GdkMirWindowImplClass;
struct _GdkMirWindowImpl
{
GdkWindowImpl parent_instance;
GHashTable *properties;
/* Window we are temporary for */
GdkWindow *transient_for;
gint transient_x;
gint transient_y;
/* gdk_window_move_to_rect */
gboolean has_rect;
GdkRectangle rect;
MirRectangle mir_rect;
MirPlacementGravity rect_anchor;
MirPlacementGravity window_anchor;
MirPlacementHints anchor_hints;
gint rect_anchor_dx;
gint rect_anchor_dy;
/* Desired window attributes */
GdkWindowTypeHint type_hint;
MirWindowState window_state;
gboolean modal;
/* Current button state for checking which buttons are being pressed / released */
gdouble x;
gdouble y;
guint button_state;
GdkDisplay *display;
/* Window being rendered to (only exists when visible) */
MirWindow *mir_window;
MirBufferStream *buffer_stream;
MirBufferUsage buffer_usage;
/* Cairo context for current frame */
cairo_surface_t *cairo_surface;
gchar *title;
GdkGeometry geometry_hints;
GdkWindowHints geometry_mask;
/* Egl surface for the current mir window */
EGLSurface egl_surface;
/* Dummy MIR and EGL surfaces */
EGLSurface dummy_egl_surface;
/* TRUE if the window can be seen */
gboolean visible;
/* TRUE if cursor is inside this window */
gboolean cursor_inside;
gboolean pending_spec_update;
gint output_scale;
};
struct _GdkMirWindowImplClass
{
GdkWindowImplClass parent_class;
};
G_DEFINE_TYPE (GdkMirWindowImpl, gdk_mir_window_impl, GDK_TYPE_WINDOW_IMPL)
static cairo_surface_t *gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window);
static void ensure_mir_window (GdkWindow *window);
static gboolean
type_hint_differs (GdkWindowTypeHint lhs, GdkWindowTypeHint rhs)
{
if (lhs == rhs)
return FALSE;
switch (lhs)
{
case GDK_WINDOW_TYPE_HINT_DIALOG:
case GDK_WINDOW_TYPE_HINT_DOCK:
return rhs != GDK_WINDOW_TYPE_HINT_DIALOG &&
rhs != GDK_WINDOW_TYPE_HINT_DOCK;
case GDK_WINDOW_TYPE_HINT_MENU:
case GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU:
case GDK_WINDOW_TYPE_HINT_POPUP_MENU:
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
case GDK_WINDOW_TYPE_HINT_COMBO:
case GDK_WINDOW_TYPE_HINT_DND:
case GDK_WINDOW_TYPE_HINT_TOOLTIP:
case GDK_WINDOW_TYPE_HINT_NOTIFICATION:
return rhs != GDK_WINDOW_TYPE_HINT_MENU &&
rhs != GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU &&
rhs != GDK_WINDOW_TYPE_HINT_POPUP_MENU &&
rhs != GDK_WINDOW_TYPE_HINT_TOOLBAR &&
rhs != GDK_WINDOW_TYPE_HINT_COMBO &&
rhs != GDK_WINDOW_TYPE_HINT_DND &&
rhs != GDK_WINDOW_TYPE_HINT_TOOLTIP &&
rhs != GDK_WINDOW_TYPE_HINT_NOTIFICATION;
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
case GDK_WINDOW_TYPE_HINT_UTILITY:
return rhs != GDK_WINDOW_TYPE_HINT_SPLASHSCREEN &&
rhs != GDK_WINDOW_TYPE_HINT_UTILITY;
case GDK_WINDOW_TYPE_HINT_NORMAL:
case GDK_WINDOW_TYPE_HINT_DESKTOP:
default:
return rhs != GDK_WINDOW_TYPE_HINT_NORMAL &&
rhs != GDK_WINDOW_TYPE_HINT_DESKTOP;
}
}
static void
drop_cairo_surface (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
}
static const gchar *
get_default_title (void)
{
const char *title;
title = g_get_application_name ();
if (!title)
title = g_get_prgname ();
if (!title)
title = "";
return title;
}
GdkWindowImpl *
_gdk_mir_window_impl_new (GdkDisplay *display, GdkWindow *window)
{
GdkMirWindowImpl *impl = g_object_new (GDK_TYPE_MIR_WINDOW_IMPL, NULL);
impl->display = display;
impl->title = g_strdup (get_default_title ());
impl->pending_spec_update = TRUE;
return (GdkWindowImpl *) impl;
}
void
_gdk_mir_window_impl_set_window_state (GdkMirWindowImpl *impl,
MirWindowState state)
{
impl->window_state = state;
}
void
_gdk_mir_window_impl_set_window_type (GdkMirWindowImpl *impl,
MirWindowType type)
{
}
void
_gdk_mir_window_impl_set_cursor_state (GdkMirWindowImpl *impl,
gdouble x,
gdouble y,
gboolean cursor_inside,
guint button_state)
{
impl->x = x;
impl->y = y;
impl->cursor_inside = cursor_inside;
impl->button_state = button_state;
}
void
_gdk_mir_window_impl_get_cursor_state (GdkMirWindowImpl *impl,
gdouble *x,
gdouble *y,
gboolean *cursor_inside,
guint *button_state)
{
if (x)
*x = impl->x;
if (y)
*y = impl->y;
if (cursor_inside)
*cursor_inside = impl->cursor_inside;
if (button_state)
*button_state = impl->button_state;
}
static void
gdk_mir_window_impl_init (GdkMirWindowImpl *impl)
{
impl->properties = g_hash_table_new_full (NULL, NULL, NULL, gdk_mir_property_free);
impl->type_hint = GDK_WINDOW_TYPE_HINT_NORMAL;
impl->window_state = mir_window_state_unknown;
impl->output_scale = 1;
}
static void
set_window_state (GdkMirWindowImpl *impl,
MirWindowState state)
{
MirConnection *connection = gdk_mir_display_get_mir_connection (impl->display);
MirWindowSpec *spec;
if (state == impl->window_state)
return;
impl->window_state = state;
if (impl->mir_window && !impl->pending_spec_update)
{
spec = mir_create_window_spec (connection);
mir_window_spec_set_state (spec, state);
mir_window_apply_spec (impl->mir_window, spec);
mir_window_spec_release (spec);
}
}
static void
event_cb (MirWindow *mir_window,
const MirEvent *event,
void *context)
{
_gdk_mir_event_source_queue (context, event);
}
static MirWindowSpec *
create_window_type_spec (GdkDisplay *display,
GdkWindow *parent,
gint x,
gint y,
gint width,
gint height,
gboolean modal,
GdkWindowTypeHint type,
MirBufferUsage buffer_usage)
{
MirConnection *connection = gdk_mir_display_get_mir_connection (display);
MirWindow *parent_mir_window = NULL;
MirPixelFormat format;
MirRectangle rect;
MirWindowSpec *spec;
if (parent && parent->impl)
{
ensure_mir_window (parent);
parent_mir_window = GDK_MIR_WINDOW_IMPL (parent->impl)->mir_window;
}
if (!parent_mir_window)
{
switch (type)
{
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
case GDK_WINDOW_TYPE_HINT_UTILITY:
type = GDK_WINDOW_TYPE_HINT_DIALOG;
break;
default:
break;
}
}
format = _gdk_mir_display_get_pixel_format (display, buffer_usage);
rect.left = x;
rect.top = y;
rect.width = 1;
rect.height = 1;
switch (type)
{
case GDK_WINDOW_TYPE_HINT_DIALOG:
if (modal)
spec = mir_create_modal_dialog_window_spec (connection,
width,
height,
parent_mir_window);
else
spec = mir_create_dialog_window_spec (connection,
width,
height);
break;
case GDK_WINDOW_TYPE_HINT_DOCK:
spec = mir_create_dialog_window_spec (connection,
width,
height);
break;
case GDK_WINDOW_TYPE_HINT_MENU:
case GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU:
case GDK_WINDOW_TYPE_HINT_POPUP_MENU:
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
case GDK_WINDOW_TYPE_HINT_COMBO:
case GDK_WINDOW_TYPE_HINT_DND:
case GDK_WINDOW_TYPE_HINT_TOOLTIP:
case GDK_WINDOW_TYPE_HINT_NOTIFICATION:
spec = mir_create_menu_window_spec (connection,
width,
height,
parent_mir_window,
&rect,
0);
break;
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
case GDK_WINDOW_TYPE_HINT_UTILITY:
spec = mir_create_modal_dialog_window_spec (connection,
width,
height,
parent_mir_window);
break;
case GDK_WINDOW_TYPE_HINT_NORMAL:
case GDK_WINDOW_TYPE_HINT_DESKTOP:
default:
spec = mir_create_normal_window_spec (connection,
width,
height);
break;
}
mir_window_spec_set_pixel_format (spec, format);
return spec;
}
static void
apply_geometry_hints (MirWindowSpec *spec,
GdkMirWindowImpl *impl)
{
if (impl->geometry_mask & GDK_HINT_RESIZE_INC)
{
mir_window_spec_set_width_increment (spec, impl->geometry_hints.width_inc);
mir_window_spec_set_height_increment (spec, impl->geometry_hints.height_inc);
}
if (impl->geometry_mask & GDK_HINT_MIN_SIZE)
{
mir_window_spec_set_min_width (spec, impl->geometry_hints.min_width);
mir_window_spec_set_min_height (spec, impl->geometry_hints.min_height);
}
if (impl->geometry_mask & GDK_HINT_MAX_SIZE)
{
mir_window_spec_set_max_width (spec, impl->geometry_hints.max_width);
mir_window_spec_set_max_height (spec, impl->geometry_hints.max_height);
}
if (impl->geometry_mask & GDK_HINT_ASPECT)
{
mir_window_spec_set_min_aspect_ratio (spec, (guint) 1000 * impl->geometry_hints.min_aspect, 1000);
mir_window_spec_set_max_aspect_ratio (spec, (guint) 1000 * impl->geometry_hints.max_aspect, 1000);
}
}
static MirWindowSpec *
create_spec (GdkWindow *window,
GdkMirWindowImpl *impl)
{
MirWindowSpec *spec = NULL;
GdkWindow *parent;
MirRectangle rect;
spec = create_window_type_spec (impl->display,
impl->transient_for,
impl->transient_x,
impl->transient_y,
window->width,
window->height,
impl->modal,
impl->type_hint,
impl->buffer_usage);
mir_window_spec_set_name (spec, impl->title);
mir_window_spec_set_buffer_usage (spec, impl->buffer_usage);
apply_geometry_hints (spec, impl);
if (impl->has_rect)
{
impl->mir_rect.left = impl->rect.x;
impl->mir_rect.top = impl->rect.y;
impl->mir_rect.width = impl->rect.width;
impl->mir_rect.height = impl->rect.height;
parent = impl->transient_for;
while (parent && !gdk_window_has_native (parent))
{
impl->mir_rect.left += parent->x;
impl->mir_rect.top += parent->y;
parent = gdk_window_get_parent (parent);
}
mir_window_spec_set_placement (spec,
&impl->mir_rect,
impl->rect_anchor,
impl->window_anchor,
impl->anchor_hints,
impl->rect_anchor_dx,
impl->rect_anchor_dy);
}
else
{
switch (impl->type_hint)
{
case GDK_WINDOW_TYPE_HINT_MENU:
case GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU:
case GDK_WINDOW_TYPE_HINT_POPUP_MENU:
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
case GDK_WINDOW_TYPE_HINT_COMBO:
case GDK_WINDOW_TYPE_HINT_DND:
case GDK_WINDOW_TYPE_HINT_TOOLTIP:
case GDK_WINDOW_TYPE_HINT_NOTIFICATION:
rect.left = impl->transient_x;
rect.top = impl->transient_y;
rect.width = 1;
rect.height = 1;
mir_window_spec_set_placement (spec,
&rect,
mir_placement_gravity_southeast,
mir_placement_gravity_northwest,
(mir_placement_hints_flip_x |
mir_placement_hints_flip_y |
mir_placement_hints_slide_x |
mir_placement_hints_slide_y |
mir_placement_hints_resize_x |
mir_placement_hints_resize_y),
-window->shadow_left,
-window->shadow_top);
break;
default:
break;
}
}
return spec;
}
static void
update_window_spec (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirWindowSpec *spec;
if (!impl->mir_window)
return;
spec = create_spec (window, impl);
mir_window_apply_spec (impl->mir_window, spec);
mir_window_spec_release (spec);
impl->pending_spec_update = FALSE;
impl->buffer_stream = mir_window_get_buffer_stream (impl->mir_window);
}
static GdkDevice *
get_pointer (GdkWindow *window)
{
GdkDisplay *display;
GdkSeat *seat;
GdkDevice *pointer;
display = gdk_window_get_display (window);
seat = gdk_display_get_default_seat (display);
pointer = gdk_seat_get_pointer (seat);
return pointer;
}
static void
send_event (GdkWindow *window, GdkDevice *device, GdkEvent *event)
{
GdkDisplay *display;
GList *node;
display = gdk_window_get_display (window);
gdk_event_set_device (event, device);
gdk_event_set_source_device (event, device);
gdk_event_set_display (event, display);
event->any.window = g_object_ref (window);
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event, _gdk_display_get_next_serial (display));
}
static void
generate_configure_event (GdkWindow *window,
gint width,
gint height)
{
GdkEvent *event;
event = gdk_event_new (GDK_CONFIGURE);
event->configure.send_event = FALSE;
event->configure.width = width;
event->configure.height = height;
send_event (window, get_pointer (window), event);
}
static void
synthesize_resize (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirWindowParameters params;
if (!impl->mir_window)
return;
mir_window_get_parameters (impl->mir_window, &params);
window->width = params.width;
window->height = params.height;
_gdk_window_update_size (window);
generate_configure_event (window, window->width, window->height);
}
static void
maybe_synthesize_resize (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirWindowParameters params;
if (!impl->mir_window)
return;
mir_window_get_parameters (impl->mir_window, &params);
if (params.width != window->width || params.height != window->height)
{
window->width = params.width;
window->height = params.height;
_gdk_window_update_size (window);
generate_configure_event (window, window->width, window->height);
}
}
static void
ensure_mir_window_full (GdkWindow *window,
MirBufferUsage buffer_usage)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkMirWindowReference *window_ref;
MirWindowSpec *spec;
if (window->input_only)
return;
if (impl->mir_window)
{
if (impl->pending_spec_update)
update_window_spec (window);
return;
}
/* no destroy notify -- we must leak for now
* https://bugs.launchpad.net/mir/+bug/1324100
*/
window_ref = _gdk_mir_event_source_get_window_reference (window);
impl->buffer_usage = buffer_usage;
spec = create_spec (window, impl);
impl->mir_window = mir_create_window_sync (spec);
mir_window_spec_release (spec);
impl->pending_spec_update = FALSE;
impl->buffer_stream = mir_window_get_buffer_stream (impl->mir_window);
synthesize_resize (window);
/* FIXME: Ignore some events until shown */
mir_window_set_event_handler (impl->mir_window, event_cb, window_ref);
}
static void
ensure_mir_window (GdkWindow *window)
{
ensure_mir_window_full (window,
window->gl_paint_context ?
mir_buffer_usage_hardware :
mir_buffer_usage_software);
}
static void
ensure_no_mir_window (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (impl->cairo_surface)
{
cairo_surface_finish (impl->cairo_surface);
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
}
if (window->gl_paint_context)
{
GdkDisplay *display = gdk_window_get_display (window);
EGLDisplay egl_display = _gdk_mir_display_get_egl_display (display);
if (impl->egl_surface)
{
eglDestroySurface (egl_display, impl->egl_surface);
impl->egl_surface = NULL;
}
if (impl->dummy_egl_surface)
{
eglDestroySurface (egl_display, impl->dummy_egl_surface);
impl->dummy_egl_surface = NULL;
}
}
g_clear_pointer (&impl->mir_window, mir_window_release_sync);
}
static void
send_buffer (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
/* Send the completed buffer to Mir */
if (impl->mir_window)
mir_buffer_stream_swap_buffers_sync (mir_window_get_buffer_stream (impl->mir_window));
/* The Cairo context is no longer valid */
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
if (impl->pending_spec_update)
update_window_spec (window);
impl->pending_spec_update = FALSE;
maybe_synthesize_resize (window);
}
static cairo_surface_t *
gdk_mir_window_impl_ref_cairo_surface (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirGraphicsRegion region;
cairo_format_t pixel_format = CAIRO_FORMAT_ARGB32;
cairo_surface_t *cairo_surface;
if (impl->cairo_surface)
{
cairo_surface_reference (impl->cairo_surface);
return impl->cairo_surface;
}
ensure_mir_window (window);
if (!impl->mir_window)
return NULL;
if (window->gl_paint_context)
{
cairo_surface = cairo_image_surface_create (pixel_format, window->width, window->height);
cairo_surface_set_device_scale (cairo_surface, (double) impl->output_scale, (double) impl->output_scale);
}
else if (impl->visible)
{
mir_buffer_stream_get_graphics_region (mir_window_get_buffer_stream (impl->mir_window), &region);
switch (region.pixel_format)
{
case mir_pixel_format_abgr_8888:
g_warning ("pixel format ABGR 8888 not supported, using ARGB 8888");
pixel_format = CAIRO_FORMAT_ARGB32;
break;
case mir_pixel_format_xbgr_8888:
g_warning ("pixel format XBGR 8888 not supported, using XRGB 8888");
pixel_format = CAIRO_FORMAT_RGB24;
break;
case mir_pixel_format_argb_8888:
pixel_format = CAIRO_FORMAT_ARGB32;
break;
case mir_pixel_format_xrgb_8888:
pixel_format = CAIRO_FORMAT_RGB24;
break;
case mir_pixel_format_bgr_888:
g_error ("pixel format BGR 888 not supported");
break;
case mir_pixel_format_rgb_888:
g_error ("pixel format RGB 888 not supported");
break;
case mir_pixel_format_rgb_565:
pixel_format = CAIRO_FORMAT_RGB16_565;
break;
case mir_pixel_format_rgba_5551:
g_error ("pixel format RGBA 5551 not supported");
break;
case mir_pixel_format_rgba_4444:
g_error ("pixel format RGBA 4444 not supported");
break;
default:
g_error ("unknown pixel format");
break;
}
cairo_surface = cairo_image_surface_create_for_data ((unsigned char *) region.vaddr,
pixel_format,
region.width,
region.height,
region.stride);
cairo_surface_set_device_scale (cairo_surface, (double) impl->output_scale, (double) impl->output_scale);
}
else
cairo_surface = cairo_image_surface_create (pixel_format, 0, 0);
impl->cairo_surface = cairo_surface_reference (cairo_surface);
return cairo_surface;
}
static cairo_surface_t *
gdk_mir_window_impl_create_similar_image_surface (GdkWindow *window,
cairo_format_t format,
int width,
int height)
{
return cairo_image_surface_create (format, width, height);
}
static void
gdk_mir_window_impl_finalize (GObject *object)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (object);
g_free (impl->title);
g_clear_pointer (&impl->mir_window, mir_window_release_sync);
g_clear_pointer (&impl->cairo_surface, cairo_surface_destroy);
g_clear_pointer (&impl->properties, g_hash_table_unref);
G_OBJECT_CLASS (gdk_mir_window_impl_parent_class)->finalize (object);
}
static void
gdk_mir_window_impl_show (GdkWindow *window,
gboolean already_mapped)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
cairo_surface_t *s;
impl->visible = TRUE;
set_window_state (impl, mir_window_state_restored);
/* Make sure there's a window to see */
ensure_mir_window (window);
if (!window->gl_paint_context)
{
/* Make sure something is rendered and then show first frame */
s = gdk_mir_window_impl_ref_cairo_surface (window);
send_buffer (window);
cairo_surface_destroy (s);
}
}
static void
gdk_mir_window_impl_hide (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
impl->cursor_inside = FALSE;
impl->visible = FALSE;
set_window_state (impl, mir_window_state_hidden);
}
static void
gdk_mir_window_impl_withdraw (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
impl->cursor_inside = FALSE;
impl->visible = FALSE;
set_window_state (impl, mir_window_state_hidden);
}
static void
gdk_mir_window_impl_raise (GdkWindow *window)
{
/* We don't support client window stacking */
}
static void
gdk_mir_window_impl_lower (GdkWindow *window)
{
/* We don't support client window stacking */
}
static void
gdk_mir_window_impl_restack_toplevel (GdkWindow *window,
GdkWindow *sibling,
gboolean above)
{
/* We don't support client window stacking */
}
static void
gdk_mir_window_impl_move_resize (GdkWindow *window,
gboolean with_move,
gint x,
gint y,
gint width,
gint height)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
/* If resize requested then rebuild window */
if (width >= 0 && (window->width != width || window->height != height))
{
/* We accept any resize */
window->width = width;
window->height = height;
impl->pending_spec_update = TRUE;
}
/* Transient windows can move wherever they want */
if (with_move)
{
if (impl->has_rect || x != impl->transient_x || y != impl->transient_y)
{
impl->has_rect = FALSE;
impl->transient_x = x;
impl->transient_y = y;
if (!impl->pending_spec_update && impl->mir_window)
update_window_spec (window);
}
}
}
static MirPlacementGravity
get_mir_placement_gravity (GdkGravity gravity)
{
switch (gravity)
{
case GDK_GRAVITY_STATIC:
case GDK_GRAVITY_NORTH_WEST:
return mir_placement_gravity_northwest;
case GDK_GRAVITY_NORTH:
return mir_placement_gravity_north;
case GDK_GRAVITY_NORTH_EAST:
return mir_placement_gravity_northeast;
case GDK_GRAVITY_WEST:
return mir_placement_gravity_west;
case GDK_GRAVITY_CENTER:
return mir_placement_gravity_center;
case GDK_GRAVITY_EAST:
return mir_placement_gravity_east;
case GDK_GRAVITY_SOUTH_WEST:
return mir_placement_gravity_southwest;
case GDK_GRAVITY_SOUTH:
return mir_placement_gravity_south;
case GDK_GRAVITY_SOUTH_EAST:
return mir_placement_gravity_southeast;
}
g_warn_if_reached ();
return mir_placement_gravity_center;
}
static MirPlacementHints
get_mir_placement_hints (GdkAnchorHints hints)
{
MirPlacementHints mir_hints = 0;
if (hints & GDK_ANCHOR_FLIP_X)
mir_hints |= mir_placement_hints_flip_x;
if (hints & GDK_ANCHOR_FLIP_Y)
mir_hints |= mir_placement_hints_flip_y;
if (hints & GDK_ANCHOR_SLIDE_X)
mir_hints |= mir_placement_hints_slide_x;
if (hints & GDK_ANCHOR_SLIDE_Y)
mir_hints |= mir_placement_hints_slide_y;
if (hints & GDK_ANCHOR_RESIZE_X)
mir_hints |= mir_placement_hints_resize_x;
if (hints & GDK_ANCHOR_RESIZE_Y)
mir_hints |= mir_placement_hints_resize_y;
return mir_hints;
}
static gint
get_window_shadow_dx (GdkWindow *window,
GdkGravity window_anchor)
{
switch (window_anchor)
{
case GDK_GRAVITY_STATIC:
case GDK_GRAVITY_NORTH_WEST:
case GDK_GRAVITY_WEST:
case GDK_GRAVITY_SOUTH_WEST:
return -window->shadow_left;
case GDK_GRAVITY_NORTH:
case GDK_GRAVITY_CENTER:
case GDK_GRAVITY_SOUTH:
return (window->shadow_right - window->shadow_left) / 2;
case GDK_GRAVITY_NORTH_EAST:
case GDK_GRAVITY_EAST:
case GDK_GRAVITY_SOUTH_EAST:
return window->shadow_right;
}
g_warn_if_reached ();
return 0;
}
static gint
get_window_shadow_dy (GdkWindow *window,
GdkGravity window_anchor)
{
switch (window_anchor)
{
case GDK_GRAVITY_STATIC:
case GDK_GRAVITY_NORTH_WEST:
case GDK_GRAVITY_NORTH:
case GDK_GRAVITY_NORTH_EAST:
return -window->shadow_top;
case GDK_GRAVITY_WEST:
case GDK_GRAVITY_CENTER:
case GDK_GRAVITY_EAST:
return (window->shadow_bottom - window->shadow_top) / 2;
case GDK_GRAVITY_SOUTH_WEST:
case GDK_GRAVITY_SOUTH:
case GDK_GRAVITY_SOUTH_EAST:
return window->shadow_bottom;
}
g_warn_if_reached ();
return 0;
}
static void
gdk_mir_window_impl_move_to_rect (GdkWindow *window,
const GdkRectangle *rect,
GdkGravity rect_anchor,
GdkGravity window_anchor,
GdkAnchorHints anchor_hints,
gint rect_anchor_dx,
gint rect_anchor_dy)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
impl->has_rect = TRUE;
impl->rect = *rect;
impl->rect_anchor = get_mir_placement_gravity (rect_anchor);
impl->window_anchor = get_mir_placement_gravity (window_anchor);
impl->anchor_hints = get_mir_placement_hints (anchor_hints);
impl->rect_anchor_dx = rect_anchor_dx + get_window_shadow_dx (window, window_anchor);
impl->rect_anchor_dy = rect_anchor_dy + get_window_shadow_dy (window, window_anchor);
if (impl->mir_window && !impl->pending_spec_update)
update_window_spec (window);
}
static gint
get_mir_placement_gravity_x (MirPlacementGravity gravity)
{
switch (gravity)
{
case mir_placement_gravity_west:
case mir_placement_gravity_northwest:
case mir_placement_gravity_southwest:
return 0;
case mir_placement_gravity_center:
case mir_placement_gravity_north:
case mir_placement_gravity_south:
return 1;
case mir_placement_gravity_east:
case mir_placement_gravity_northeast:
case mir_placement_gravity_southeast:
return 2;
}
g_warn_if_reached ();
return 1;
}
static gint
get_mir_placement_gravity_y (MirPlacementGravity gravity)
{
switch (gravity)
{
case mir_placement_gravity_north:
case mir_placement_gravity_northwest:
case mir_placement_gravity_northeast:
return 0;
case mir_placement_gravity_center:
case mir_placement_gravity_west:
case mir_placement_gravity_east:
return 1;
case mir_placement_gravity_south:
case mir_placement_gravity_southwest:
case mir_placement_gravity_southeast:
return 2;
}
g_warn_if_reached ();
return 1;
}
static GdkRectangle
get_unflipped_rect (const GdkRectangle *rect,
gint width,
gint height,
MirPlacementGravity rect_anchor,
MirPlacementGravity window_anchor,
gint rect_anchor_dx,
gint rect_anchor_dy)
{
GdkRectangle unflipped_rect;
unflipped_rect.x = rect->x;
unflipped_rect.x += rect->width * get_mir_placement_gravity_x (rect_anchor) / 2;
unflipped_rect.x -= width * get_mir_placement_gravity_x (window_anchor) / 2;
unflipped_rect.x += rect_anchor_dx;
unflipped_rect.y = rect->y;
unflipped_rect.y += rect->height * get_mir_placement_gravity_y (rect_anchor) / 2;
unflipped_rect.y -= height * get_mir_placement_gravity_y (window_anchor) / 2;
unflipped_rect.y += rect_anchor_dy;
unflipped_rect.width = width;
unflipped_rect.height = height;
return unflipped_rect;
}
static MirPlacementGravity
get_opposite_mir_placement_gravity (MirPlacementGravity gravity)
{
switch (gravity)
{
case mir_placement_gravity_center:
return mir_placement_gravity_center;
case mir_placement_gravity_west:
return mir_placement_gravity_east;
case mir_placement_gravity_east:
return mir_placement_gravity_west;
case mir_placement_gravity_north:
return mir_placement_gravity_south;
case mir_placement_gravity_south:
return mir_placement_gravity_north;
case mir_placement_gravity_northwest:
return mir_placement_gravity_southeast;
case mir_placement_gravity_northeast:
return mir_placement_gravity_southwest;
case mir_placement_gravity_southwest:
return mir_placement_gravity_northeast;
case mir_placement_gravity_southeast:
return mir_placement_gravity_northwest;
}
g_warn_if_reached ();
return gravity;
}
static gint
get_anchor_x (const GdkRectangle *rect,
MirPlacementGravity anchor)
{
return rect->x + rect->width * get_mir_placement_gravity_x (anchor) / 2;
}
static gint
get_anchor_y (const GdkRectangle *rect,
MirPlacementGravity anchor)
{
return rect->y + rect->height * get_mir_placement_gravity_y (anchor) / 2;
}
void
_gdk_mir_window_set_final_rect (GdkWindow *window,
MirRectangle rect)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkRectangle best_rect;
GdkRectangle worst_rect;
GdkRectangle flipped_rect;
GdkRectangle final_rect;
gboolean flipped_x = FALSE;
gboolean flipped_y = FALSE;
gint test_position;
gint final_position;
gint unflipped_offset;
gint flipped_offset;
if (!impl->has_rect)
return;
best_rect = get_unflipped_rect (&impl->rect,
window->width,
window->height,
impl->rect_anchor,
impl->window_anchor,
impl->rect_anchor_dx,
impl->rect_anchor_dy);
worst_rect = get_unflipped_rect (&impl->rect,
window->width,
window->height,
get_opposite_mir_placement_gravity (impl->rect_anchor),
get_opposite_mir_placement_gravity (impl->window_anchor),
-impl->rect_anchor_dx,
-impl->rect_anchor_dy);
flipped_rect.x = best_rect.x;
flipped_rect.y = best_rect.y;
flipped_rect.width = window->width;
flipped_rect.height = window->height;
final_rect.x = rect.left - (impl->mir_rect.left - impl->rect.x);
final_rect.y = rect.top - (impl->mir_rect.top - impl->rect.y);
final_rect.width = rect.width;
final_rect.height = rect.height;
if (impl->anchor_hints & mir_placement_hints_flip_x)
{
test_position = get_anchor_x (&best_rect, impl->window_anchor);
final_position = get_anchor_x (&final_rect, impl->window_anchor);
unflipped_offset = final_position - test_position;
test_position = get_anchor_x (&worst_rect, get_opposite_mir_placement_gravity (impl->window_anchor));
final_position = get_anchor_x (&final_rect, get_opposite_mir_placement_gravity (impl->window_anchor));
flipped_offset = final_position - test_position;
if (ABS (flipped_offset) < ABS (unflipped_offset))
{
flipped_rect.x = worst_rect.x;
flipped_x = TRUE;
}
}
if (impl->anchor_hints & mir_placement_hints_flip_y)
{
test_position = get_anchor_y (&best_rect, impl->window_anchor);
final_position = get_anchor_y (&final_rect, impl->window_anchor);
unflipped_offset = final_position - test_position;
test_position = get_anchor_y (&worst_rect, get_opposite_mir_placement_gravity (impl->window_anchor));
final_position = get_anchor_y (&final_rect, get_opposite_mir_placement_gravity (impl->window_anchor));
flipped_offset = final_position - test_position;
if (ABS (flipped_offset) < ABS (unflipped_offset))
{
flipped_rect.y = worst_rect.y;
flipped_y = TRUE;
}
}
g_signal_emit_by_name (window,
"moved-to-rect",
&flipped_rect,
&final_rect,
flipped_x,
flipped_y);
}
static GdkEventMask
gdk_mir_window_impl_get_events (GdkWindow *window)
{
return window->event_mask;
}
static void
gdk_mir_window_impl_set_events (GdkWindow *window,
GdkEventMask event_mask)
{
/* We send all events and let GDK decide */
}
static void
gdk_mir_window_impl_get_geometry (GdkWindow *window,
gint *x,
gint *y,
gint *width,
gint *height)
{
if (x)
*x = 0; // FIXME
if (y)
*y = 0; // FIXME
if (width)
*width = window->width;
if (height)
*height = window->height;
}
static void
gdk_mir_window_impl_get_root_coords (GdkWindow *window,
gint x,
gint y,
gint *root_x,
gint *root_y)
{
if (root_x)
*root_x = x; // FIXME
if (root_y)
*root_y = y; // FIXME
}
static gboolean
gdk_mir_window_impl_get_device_state (GdkWindow *window,
GdkDevice *device,
gdouble *x,
gdouble *y,
GdkModifierType *mask)
{
GdkWindow *child;
_gdk_device_query_state (device, window, &child, NULL, NULL, x, y, mask);
return child != NULL;
}
static gboolean
gdk_mir_window_impl_begin_paint (GdkWindow *window)
{
/* Indicate we are ready to be drawn onto directly? */
return FALSE;
}
static void
gdk_mir_window_impl_end_paint (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (impl->visible)
send_buffer (window);
}
static void
gdk_mir_window_impl_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
}
static void
gdk_mir_window_impl_input_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
}
static void
gdk_mir_window_impl_destroy (GdkWindow *window,
gboolean recursing,
gboolean foreign_destroy)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
impl->visible = FALSE;
ensure_no_mir_window (window);
}
static void
gdk_mir_window_impl_focus (GdkWindow *window,
guint32 timestamp)
{
}
static void
gdk_mir_window_impl_set_type_hint (GdkWindow *window,
GdkWindowTypeHint hint)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (type_hint_differs (hint, impl->type_hint))
{
impl->type_hint = hint;
if (impl->mir_window && !impl->pending_spec_update)
update_window_spec (window);
}
}
static GdkWindowTypeHint
gdk_mir_window_impl_get_type_hint (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
return impl->type_hint;
}
void
gdk_mir_window_impl_set_modal_hint (GdkWindow *window,
gboolean modal)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (modal != impl->modal)
{
impl->modal = modal;
if (impl->mir_window && !impl->pending_spec_update)
update_window_spec (window);
}
}
static void
gdk_mir_window_impl_set_skip_taskbar_hint (GdkWindow *window,
gboolean skips_taskbar)
{
}
static void
gdk_mir_window_impl_set_skip_pager_hint (GdkWindow *window,
gboolean skips_pager)
{
}
static void
gdk_mir_window_impl_set_urgency_hint (GdkWindow *window,
gboolean urgent)
{
}
static void
gdk_mir_window_impl_set_geometry_hints (GdkWindow *window,
const GdkGeometry *geometry,
GdkWindowHints geom_mask)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirConnection *connection = gdk_mir_display_get_mir_connection (impl->display);
MirWindowSpec *spec;
impl->geometry_hints = *geometry;
impl->geometry_mask = geom_mask;
if (impl->mir_window && !impl->pending_spec_update)
{
spec = mir_create_window_spec (connection);
apply_geometry_hints (spec, impl);
mir_window_apply_spec (impl->mir_window, spec);
mir_window_spec_release (spec);
}
}
static void
gdk_mir_window_impl_set_title (GdkWindow *window,
const gchar *title)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
MirConnection *connection = gdk_mir_display_get_mir_connection (impl->display);
MirWindowSpec *spec;
g_free (impl->title);
impl->title = g_strdup (title);
if (impl->mir_window && !impl->pending_spec_update)
{
spec = mir_create_window_spec (connection);
mir_window_spec_set_name (spec, impl->title);
mir_window_apply_spec (impl->mir_window, spec);
mir_window_spec_release (spec);
}
}
static void
gdk_mir_window_impl_set_role (GdkWindow *window,
const gchar *role)
{
}
static void
gdk_mir_window_impl_set_startup_id (GdkWindow *window,
const gchar *startup_id)
{
}
static void
gdk_mir_window_impl_set_transient_for (GdkWindow *window,
GdkWindow *parent)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (impl->transient_for == parent)
return;
/* Link this window to the parent */
impl->transient_for = parent;
if (impl->mir_window && !impl->pending_spec_update)
update_window_spec (window);
}
static void
gdk_mir_window_impl_get_frame_extents (GdkWindow *window,
GdkRectangle *rect)
{
}
static void
gdk_mir_window_impl_set_accept_focus (GdkWindow *window,
gboolean accept_focus)
{
/* Mir clients cannot control focus */
}
static void
gdk_mir_window_impl_set_focus_on_map (GdkWindow *window,
gboolean focus_on_map)
{
/* Mir clients cannot control focus */
}
static void
gdk_mir_window_impl_set_icon_list (GdkWindow *window,
GList *surface)
{
// ??
}
static void
gdk_mir_window_impl_set_icon_name (GdkWindow *window,
const gchar *name)
{
}
static void
gdk_mir_window_impl_iconify (GdkWindow *window)
{
/* We don't support iconification */
}
static void
gdk_mir_window_impl_deiconify (GdkWindow *window)
{
/* We don't support iconification */
}
static void
gdk_mir_window_impl_stick (GdkWindow *window)
{
/* We do not support stick/unstick in Mir */
}
static void
gdk_mir_window_impl_unstick (GdkWindow *window)
{
/* We do not support stick/unstick in Mir */
}
static void
gdk_mir_window_impl_maximize (GdkWindow *window)
{
set_window_state (GDK_MIR_WINDOW_IMPL (window->impl), mir_window_state_maximized);
}
static void
gdk_mir_window_impl_unmaximize (GdkWindow *window)
{
set_window_state (GDK_MIR_WINDOW_IMPL (window->impl), mir_window_state_restored);
}
static void
gdk_mir_window_impl_fullscreen (GdkWindow *window)
{
set_window_state (GDK_MIR_WINDOW_IMPL (window->impl), mir_window_state_fullscreen);
}
static void
gdk_mir_window_impl_apply_fullscreen_mode (GdkWindow *window)
{
}
static void
gdk_mir_window_impl_unfullscreen (GdkWindow *window)
{
set_window_state (GDK_MIR_WINDOW_IMPL (window->impl), mir_window_state_restored);
}
static void
gdk_mir_window_impl_set_keep_above (GdkWindow *window,
gboolean setting)
{
/* We do not support keep above/below in Mir */
}
static void
gdk_mir_window_impl_set_keep_below (GdkWindow *window,
gboolean setting)
{
/* We do not support keep above/below in Mir */
}
static GdkWindow *
gdk_mir_window_impl_get_group (GdkWindow *window)
{
return NULL;
}
static void
gdk_mir_window_impl_set_group (GdkWindow *window,
GdkWindow *leader)
{
}
static void
gdk_mir_window_impl_set_decorations (GdkWindow *window,
GdkWMDecoration decorations)
{
}
static gboolean
gdk_mir_window_impl_get_decorations (GdkWindow *window,
GdkWMDecoration *decorations)
{
return FALSE;
}
static void
gdk_mir_window_impl_set_functions (GdkWindow *window,
GdkWMFunction functions)
{
}
static void
gdk_mir_window_impl_begin_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
}
static void
gdk_mir_window_impl_begin_move_drag (GdkWindow *window,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
}
static void
gdk_mir_window_impl_enable_synchronized_configure (GdkWindow *window)
{
}
static void
gdk_mir_window_impl_configure_finished (GdkWindow *window)
{
}
static void
gdk_mir_window_impl_set_opacity (GdkWindow *window,
gdouble opacity)
{
// FIXME
}
static void
gdk_mir_window_impl_destroy_notify (GdkWindow *window)
{
}
static void
gdk_mir_window_impl_register_dnd (GdkWindow *window)
{
}
static GdkDragContext *
gdk_mir_window_impl_drag_begin (GdkWindow *window,
GdkDevice *device,
GList *targets,
gint x_root,
gint y_root)
{
return NULL;
}
static void
gdk_mir_window_impl_process_updates_recurse (GdkWindow *window,
cairo_region_t *region)
{
cairo_rectangle_int_t rectangle;
/* We redraw the whole region, but we should track the buffers and only redraw what has changed since we sent this buffer */
rectangle.x = 0;
rectangle.y = 0;
rectangle.width = window->width;
rectangle.height = window->height;
cairo_region_union_rectangle (region, &rectangle);
_gdk_window_process_updates_recurse (window, region);
}
static gboolean
gdk_mir_window_impl_get_property (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gulong offset,
gulong length,
gint pdelete,
GdkAtom *actual_type,
gint *actual_format,
gint *actual_length,
guchar **data)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkMirProperty *mir_property;
GdkAtom dummy_actual_type;
gint dummy_actual_format;
gint dummy_actual_length;
guint width;
if (!actual_type)
actual_type = &dummy_actual_type;
if (!actual_format)
actual_format = &dummy_actual_format;
if (!actual_length)
actual_length = &dummy_actual_length;
*actual_type = NULL;
*actual_format = 0;
*actual_length = 0;
if (data)
*data = NULL;
mir_property = g_hash_table_lookup (impl->properties, property);
if (!mir_property)
return FALSE;
width = g_array_get_element_size (mir_property->array);
*actual_type = mir_property->type;
*actual_format = 8 * width;
/* ICCCM 2.7: GdkAtoms can be 64-bit, but ATOMs and ATOM_PAIRs have format 32 */
if (*actual_type == GDK_SELECTION_TYPE_ATOM || *actual_type == gdk_atom_intern_static_string ("ATOM_PAIR"))
*actual_format = 32;
if (type != NULL && type != mir_property->type)
return FALSE;
offset *= 4;
/* round up to next nearest multiple of width */
if (length < G_MAXULONG - width + 1)
length = (length - 1 + width) / width * width;
else
length = G_MAXULONG / width * width;
/* we're skipping the first offset bytes */
if (length > mir_property->array->len * width - offset)
length = mir_property->array->len * width - offset;
/* leave room for null terminator */
if (length > G_MAXULONG - width)
length -= width;
*actual_length = length;
if (data)
{
*data = g_memdup (mir_property->array->data + offset, length + width);
memset (*data + length, 0, width);
}
return TRUE;
}
static void
request_targets (GdkWindow *window,
const GdkAtom *available_targets,
gint n_available_targets)
{
GArray *requested_targets;
GdkAtom target_pair[2];
gchar *target_location;
GdkEvent *event;
gint i;
requested_targets = g_array_sized_new (TRUE, FALSE, sizeof (GdkAtom), 2 * n_available_targets);
for (i = 0; i < n_available_targets; i++)
{
target_pair[0] = available_targets[i];
if (target_pair[0] == gdk_atom_intern_static_string ("TIMESTAMP") ||
target_pair[0] == gdk_atom_intern_static_string ("TARGETS") ||
target_pair[0] == gdk_atom_intern_static_string ("MULTIPLE") ||
target_pair[0] == gdk_atom_intern_static_string ("SAVE_TARGETS"))
continue;
target_location = g_strdup_printf ("REQUESTED_TARGET_U%u", requested_targets->len / 2);
target_pair[1] = gdk_atom_intern (target_location, FALSE);
g_free (target_location);
g_array_append_vals (requested_targets, target_pair, 2);
}
gdk_property_delete (window, gdk_atom_intern_static_string ("AVAILABLE_TARGETS"));
gdk_property_delete (window, gdk_atom_intern_static_string ("REQUESTED_TARGETS"));
gdk_property_change (window,
gdk_atom_intern_static_string ("REQUESTED_TARGETS"),
GDK_SELECTION_TYPE_ATOM,
8 * sizeof (GdkAtom),
GDK_PROP_MODE_REPLACE,
(const guchar *) requested_targets->data,
requested_targets->len);
g_array_unref (requested_targets);
event = gdk_event_new (GDK_SELECTION_REQUEST);
event->selection.window = g_object_ref (window);
event->selection.send_event = FALSE;
event->selection.selection = GDK_SELECTION_CLIPBOARD;
event->selection.target = gdk_atom_intern_static_string ("MULTIPLE");
event->selection.property = gdk_atom_intern_static_string ("REQUESTED_TARGETS");
event->selection.time = GDK_CURRENT_TIME;
event->selection.requestor = g_object_ref (window);
gdk_event_put (event);
gdk_event_free (event);
}
static void
create_paste (GdkWindow *window,
const GdkAtom *requested_targets,
gint n_requested_targets)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GPtrArray *paste_formats;
GArray *paste_header;
GByteArray *paste_data;
gint sizes[4];
GdkMirProperty *mir_property;
const gchar *paste_format;
gint i;
paste_formats = g_ptr_array_new_full (n_requested_targets, g_free);
paste_header = g_array_sized_new (FALSE, FALSE, sizeof (gint), 1 + 4 * n_requested_targets);
paste_data = g_byte_array_new ();
g_array_append_val (paste_header, sizes[0]);
for (i = 0; i < n_requested_targets; i++)
{
if (requested_targets[i] == NULL)
continue;
mir_property = g_hash_table_lookup (impl->properties, requested_targets[i]);
if (!mir_property)
continue;
paste_format = _gdk_atom_name_const (mir_property->type);
/* skip non-MIME targets */
if (!strchr (paste_format, '/'))
{
g_hash_table_remove (impl->properties, requested_targets[i]);
continue;
}
sizes[0] = paste_data->len;
sizes[1] = strlen (paste_format);
sizes[2] = sizes[0] + sizes[1];
sizes[3] = mir_property->array->len * g_array_get_element_size (mir_property->array);
g_ptr_array_add (paste_formats, g_strdup (paste_format));
g_array_append_vals (paste_header, sizes, 4);
g_byte_array_append (paste_data, (const guint8 *) paste_format, sizes[1]);
g_byte_array_append (paste_data, (const guint8 *) mir_property->array->data, sizes[3]);
g_hash_table_remove (impl->properties, requested_targets[i]);
}
gdk_property_delete (window, gdk_atom_intern_static_string ("REQUESTED_TARGETS"));
g_array_index (paste_header, gint, 0) = paste_formats->len;
for (i = 0; i < paste_formats->len; i++)
{
g_array_index (paste_header, gint, 1 + 4 * i) += paste_header->len * sizeof (gint);
g_array_index (paste_header, gint, 3 + 4 * i) += paste_header->len * sizeof (gint);
}
g_byte_array_prepend (paste_data,
(const guint8 *) paste_header->data,
paste_header->len * g_array_get_element_size (paste_header));
g_ptr_array_add (paste_formats, NULL);
_gdk_mir_display_create_paste (gdk_window_get_display (window),
(const gchar * const *) paste_formats->pdata,
paste_data->data,
paste_data->len);
g_byte_array_unref (paste_data);
g_array_unref (paste_header);
g_ptr_array_unref (paste_formats);
}
static void
gdk_mir_window_impl_change_property (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gint format,
GdkPropMode mode,
const guchar *data,
gint n_elements)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkMirProperty *mir_property;
gboolean existed;
GdkEvent *event;
/* ICCCM 2.7: ATOMs and ATOM_PAIRs have format 32, but GdkAtoms can be 64-bit */
if (type == GDK_SELECTION_TYPE_ATOM || type == gdk_atom_intern_static_string ("ATOM_PAIR"))
format = 8 * sizeof (GdkAtom);
if (mode != GDK_PROP_MODE_REPLACE)
{
mir_property = g_hash_table_lookup (impl->properties, property);
existed = mir_property != NULL;
}
else
{
mir_property = NULL;
existed = g_hash_table_contains (impl->properties, property);
}
if (!mir_property)
{
/* format is measured in bits, but we need to know this in bytes */
mir_property = gdk_mir_property_new (type, format / 8, n_elements);
g_hash_table_insert (impl->properties, property, mir_property);
}
/* format is measured in bits, but we need to know this in bytes */
if (type != mir_property->type || format / 8 != g_array_get_element_size (mir_property->array))
return;
if (mode == GDK_PROP_MODE_PREPEND)
g_array_prepend_vals (mir_property->array, data, n_elements);
else
g_array_append_vals (mir_property->array, data, n_elements);
event = gdk_event_new (GDK_PROPERTY_NOTIFY);
event->property.window = g_object_ref (window);
event->property.send_event = FALSE;
event->property.atom = property;
event->property.time = GDK_CURRENT_TIME;
event->property.state = GDK_PROPERTY_NEW_VALUE;
gdk_event_put (event);
gdk_event_free (event);
if (property == gdk_atom_intern_static_string ("AVAILABLE_TARGETS"))
request_targets (window, (const GdkAtom *) data, n_elements);
else if (property == gdk_atom_intern_static_string ("REQUESTED_TARGETS") && existed)
create_paste (window, (const GdkAtom *) data, n_elements);
}
static void
gdk_mir_window_impl_delete_property (GdkWindow *window,
GdkAtom property)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkEvent *event;
if (g_hash_table_remove (impl->properties, property))
{
event = gdk_event_new (GDK_PROPERTY_NOTIFY);
event->property.window = g_object_ref (window);
event->property.send_event = FALSE;
event->property.atom = property;
event->property.time = GDK_CURRENT_TIME;
event->property.state = GDK_PROPERTY_DELETE;
gdk_event_put (event);
gdk_event_free (event);
}
}
static gint
gdk_mir_window_impl_get_scale_factor (GdkWindow *window)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
return impl->output_scale;
}
static void
gdk_mir_window_impl_set_opaque_region (GdkWindow *window,
cairo_region_t *region)
{
/* FIXME: An optimisation to tell the compositor which regions of the window are fully transparent */
}
static void
gdk_mir_window_impl_set_shadow_width (GdkWindow *window,
gint left,
gint right,
gint top,
gint bottom)
{
}
static gboolean
find_eglconfig_for_window (GdkWindow *window,
EGLConfig *egl_config_out,
GError **error)
{
GdkDisplay *display = gdk_window_get_display (window);
EGLDisplay *egl_display = _gdk_mir_display_get_egl_display (display);
EGLint attrs[MAX_EGL_ATTRS];
EGLint count;
EGLConfig *configs;
int i = 0;
attrs[i++] = EGL_SURFACE_TYPE;
attrs[i++] = EGL_WINDOW_BIT;
attrs[i++] = EGL_COLOR_BUFFER_TYPE;
attrs[i++] = EGL_RGB_BUFFER;
attrs[i++] = EGL_RED_SIZE;
attrs[i++] = 1;
attrs[i++] = EGL_GREEN_SIZE;
attrs[i++] = 1;
attrs[i++] = EGL_BLUE_SIZE;
attrs[i++] = 1;
attrs[i++] = EGL_ALPHA_SIZE;
attrs[i++] = 1;
attrs[i++] = EGL_NONE;
g_assert (i < MAX_EGL_ATTRS);
if (!eglChooseConfig (egl_display, attrs, NULL, 0, &count) || count < 1)
{
g_set_error_literal (error, GDK_GL_ERROR,
GDK_GL_ERROR_UNSUPPORTED_FORMAT,
_("No available configurations for the given pixel format"));
return FALSE;
}
configs = g_new (EGLConfig, count);
if (!eglChooseConfig (egl_display, attrs, configs, count, &count) || count < 1)
{
g_set_error_literal (error, GDK_GL_ERROR,
GDK_GL_ERROR_UNSUPPORTED_FORMAT,
_("No available configurations for the given pixel format"));
return FALSE;
}
/* Pick first valid configuration i guess? */
if (egl_config_out != NULL)
*egl_config_out = configs[0];
g_free (configs);
return TRUE;
}
static GdkGLContext *
gdk_mir_window_impl_create_gl_context (GdkWindow *window,
gboolean attached,
GdkGLContext *share,
GError **error)
{
GdkDisplay *display = gdk_window_get_display (window);
GdkMirGLContext *context;
EGLConfig config;
if (!_gdk_mir_display_init_egl_display (display))
{
g_set_error_literal (error, GDK_GL_ERROR,
GDK_GL_ERROR_NOT_AVAILABLE,
_("No GL implementation is available"));
return NULL;
}
if (!_gdk_mir_display_have_egl_khr_create_context (display))
{
g_set_error_literal (error, GDK_GL_ERROR,
GDK_GL_ERROR_UNSUPPORTED_PROFILE,
_("3.2 core GL profile is not available on EGL implementation"));
return NULL;
}
if (!find_eglconfig_for_window (window, &config, error))
return NULL;
context = g_object_new (GDK_TYPE_MIR_GL_CONTEXT,
"window", window,
"shared-context", share,
NULL);
context->egl_config = config;
context->is_attached = attached;
return GDK_GL_CONTEXT (context);
}
EGLSurface
_gdk_mir_window_get_egl_surface (GdkWindow *window,
EGLConfig config)
{
GdkMirWindowImpl *impl;
impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (!impl->egl_surface)
{
EGLDisplay egl_display;
EGLNativeWindowType egl_window;
ensure_no_mir_window (window);
ensure_mir_window_full (window, mir_buffer_usage_hardware);
egl_display = _gdk_mir_display_get_egl_display (gdk_window_get_display (window));
egl_window = (EGLNativeWindowType) mir_buffer_stream_get_egl_native_window (impl->buffer_stream);
impl->egl_surface =
eglCreateWindowSurface (egl_display, config, egl_window, NULL);
}
return impl->egl_surface;
}
EGLSurface
_gdk_mir_window_get_dummy_egl_surface (GdkWindow *window,
EGLConfig config)
{
GdkMirWindowImpl *impl;
impl = GDK_MIR_WINDOW_IMPL (window->impl);
if (!impl->dummy_egl_surface)
{
GdkDisplay *display;
EGLDisplay egl_display;
EGLNativeWindowType egl_window;
display = gdk_window_get_display (window);
egl_display = _gdk_mir_display_get_egl_display (display);
egl_window = (EGLNativeWindowType) mir_buffer_stream_get_egl_native_window (impl->buffer_stream);
impl->dummy_egl_surface =
eglCreateWindowSurface (egl_display, config, egl_window, NULL);
}
return impl->dummy_egl_surface;
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
MirSurface *
gdk_mir_window_get_mir_surface (GdkWindow *window)
{
return _gdk_mir_window_get_mir_window (window);
}
#pragma GCC diagnostic pop
MirWindow *
_gdk_mir_window_get_mir_window (GdkWindow *window)
{
g_return_val_if_fail (GDK_IS_MIR_WINDOW (window), NULL);
return GDK_MIR_WINDOW_IMPL (window->impl)->mir_window;
}
void
_gdk_mir_window_set_scale (GdkWindow *window,
gdouble scale)
{
GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
GdkRectangle area = {0, 0, window->width, window->height};
cairo_region_t *region;
gint new_scale = (gint) round (scale);
if (impl->output_scale != new_scale)
{
impl->output_scale = new_scale;
drop_cairo_surface (window);
if (impl->buffer_stream)
mir_buffer_stream_set_scale (impl->buffer_stream, (float) new_scale);
region = cairo_region_create_rectangle (&area);
_gdk_window_invalidate_for_expose (window, region);
cairo_region_destroy (region);
}
}
static void
gdk_mir_window_impl_class_init (GdkMirWindowImplClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkWindowImplClass *impl_class = GDK_WINDOW_IMPL_CLASS (klass);
object_class->finalize = gdk_mir_window_impl_finalize;
impl_class->ref_cairo_surface = gdk_mir_window_impl_ref_cairo_surface;
impl_class->create_similar_image_surface = gdk_mir_window_impl_create_similar_image_surface;
impl_class->show = gdk_mir_window_impl_show;
impl_class->hide = gdk_mir_window_impl_hide;
impl_class->withdraw = gdk_mir_window_impl_withdraw;
impl_class->raise = gdk_mir_window_impl_raise;
impl_class->lower = gdk_mir_window_impl_lower;
impl_class->restack_toplevel = gdk_mir_window_impl_restack_toplevel;
impl_class->move_resize = gdk_mir_window_impl_move_resize;
impl_class->move_to_rect = gdk_mir_window_impl_move_to_rect;
impl_class->get_events = gdk_mir_window_impl_get_events;
impl_class->set_events = gdk_mir_window_impl_set_events;
impl_class->get_geometry = gdk_mir_window_impl_get_geometry;
impl_class->get_root_coords = gdk_mir_window_impl_get_root_coords;
impl_class->get_device_state = gdk_mir_window_impl_get_device_state;
impl_class->begin_paint = gdk_mir_window_impl_begin_paint;
impl_class->end_paint = gdk_mir_window_impl_end_paint;
impl_class->shape_combine_region = gdk_mir_window_impl_shape_combine_region;
impl_class->input_shape_combine_region = gdk_mir_window_impl_input_shape_combine_region;
impl_class->destroy = gdk_mir_window_impl_destroy;
impl_class->focus = gdk_mir_window_impl_focus;
impl_class->set_type_hint = gdk_mir_window_impl_set_type_hint;
impl_class->get_type_hint = gdk_mir_window_impl_get_type_hint;
impl_class->set_modal_hint = gdk_mir_window_impl_set_modal_hint;
impl_class->set_skip_taskbar_hint = gdk_mir_window_impl_set_skip_taskbar_hint;
impl_class->set_skip_pager_hint = gdk_mir_window_impl_set_skip_pager_hint;
impl_class->set_urgency_hint = gdk_mir_window_impl_set_urgency_hint;
impl_class->set_geometry_hints = gdk_mir_window_impl_set_geometry_hints;
impl_class->set_title = gdk_mir_window_impl_set_title;
impl_class->set_role = gdk_mir_window_impl_set_role;
impl_class->set_startup_id = gdk_mir_window_impl_set_startup_id;
impl_class->set_transient_for = gdk_mir_window_impl_set_transient_for;
impl_class->get_frame_extents = gdk_mir_window_impl_get_frame_extents;
impl_class->set_accept_focus = gdk_mir_window_impl_set_accept_focus;
impl_class->set_focus_on_map = gdk_mir_window_impl_set_focus_on_map;
impl_class->set_icon_list = gdk_mir_window_impl_set_icon_list;
impl_class->set_icon_name = gdk_mir_window_impl_set_icon_name;
impl_class->iconify = gdk_mir_window_impl_iconify;
impl_class->deiconify = gdk_mir_window_impl_deiconify;
impl_class->stick = gdk_mir_window_impl_stick;
impl_class->unstick = gdk_mir_window_impl_unstick;
impl_class->maximize = gdk_mir_window_impl_maximize;
impl_class->unmaximize = gdk_mir_window_impl_unmaximize;
impl_class->fullscreen = gdk_mir_window_impl_fullscreen;
impl_class->apply_fullscreen_mode = gdk_mir_window_impl_apply_fullscreen_mode;
impl_class->unfullscreen = gdk_mir_window_impl_unfullscreen;
impl_class->set_keep_above = gdk_mir_window_impl_set_keep_above;
impl_class->set_keep_below = gdk_mir_window_impl_set_keep_below;
impl_class->get_group = gdk_mir_window_impl_get_group;
impl_class->set_group = gdk_mir_window_impl_set_group;
impl_class->set_decorations = gdk_mir_window_impl_set_decorations;
impl_class->get_decorations = gdk_mir_window_impl_get_decorations;
impl_class->set_functions = gdk_mir_window_impl_set_functions;
impl_class->begin_resize_drag = gdk_mir_window_impl_begin_resize_drag;
impl_class->begin_move_drag = gdk_mir_window_impl_begin_move_drag;
impl_class->enable_synchronized_configure = gdk_mir_window_impl_enable_synchronized_configure;
impl_class->configure_finished = gdk_mir_window_impl_configure_finished;
impl_class->set_opacity = gdk_mir_window_impl_set_opacity;
impl_class->destroy_notify = gdk_mir_window_impl_destroy_notify;
impl_class->register_dnd = gdk_mir_window_impl_register_dnd;
impl_class->drag_begin = gdk_mir_window_impl_drag_begin;
impl_class->process_updates_recurse = gdk_mir_window_impl_process_updates_recurse;
impl_class->get_property = gdk_mir_window_impl_get_property;
impl_class->change_property = gdk_mir_window_impl_change_property;
impl_class->delete_property = gdk_mir_window_impl_delete_property;
impl_class->get_scale_factor = gdk_mir_window_impl_get_scale_factor;
impl_class->set_opaque_region = gdk_mir_window_impl_set_opaque_region;
impl_class->set_shadow_width = gdk_mir_window_impl_set_shadow_width;
impl_class->create_gl_context = gdk_mir_window_impl_create_gl_context;
}
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