gtk2/gdk/macos/gdkmacospopupsurface.c
2021-02-14 10:52:33 -05:00

399 lines
12 KiB
C

/*
* Copyright © 2020 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#import "GdkMacosWindow.h"
#include "gdkinternals.h"
#include "gdkpopupprivate.h"
#include "gdkmacosdisplay-private.h"
#include "gdkmacosmonitor.h"
#include "gdkmacospopupsurface-private.h"
#include "gdkmacosutils-private.h"
struct _GdkMacosPopupSurface
{
GdkMacosSurface parent_instance;
GdkPopupLayout *layout;
};
struct _GdkMacosPopupSurfaceClass
{
GdkMacosSurfaceClass parent_class;
};
static void
gdk_macos_popup_surface_layout (GdkMacosPopupSurface *self,
int width,
int height,
GdkPopupLayout *layout)
{
GdkMonitor *monitor;
GdkRectangle bounds;
GdkRectangle final_rect;
int x, y;
g_assert (GDK_IS_MACOS_POPUP_SURFACE (self));
g_assert (layout != NULL);
g_assert (GDK_SURFACE (self)->parent);
gdk_popup_layout_ref (layout);
g_clear_pointer (&self->layout, gdk_popup_layout_unref);
self->layout = layout;
monitor = gdk_surface_get_layout_monitor (GDK_SURFACE (self),
self->layout,
gdk_macos_monitor_get_workarea);
if (monitor == NULL)
monitor = _gdk_macos_surface_get_best_monitor (GDK_MACOS_SURFACE (self));
gdk_macos_monitor_get_workarea (monitor, &bounds);
gdk_popup_layout_get_shadow_width (layout,
&self->parent_instance.shadow_left,
&self->parent_instance.shadow_right,
&self->parent_instance.shadow_top,
&self->parent_instance.shadow_bottom);
gdk_surface_layout_popup_helper (GDK_SURFACE (self),
width,
height,
self->parent_instance.shadow_left,
self->parent_instance.shadow_right,
self->parent_instance.shadow_top,
self->parent_instance.shadow_bottom,
monitor,
&bounds,
self->layout,
&final_rect);
gdk_surface_get_origin (GDK_SURFACE (self)->parent, &x, &y);
x += final_rect.x;
y += final_rect.y;
if (final_rect.width != GDK_SURFACE (self)->width ||
final_rect.height != GDK_SURFACE (self)->height)
_gdk_macos_surface_move_resize (GDK_MACOS_SURFACE (self),
x,
y,
final_rect.width,
final_rect.height);
else if (x != GDK_MACOS_SURFACE (self)->root_x ||
y != GDK_MACOS_SURFACE (self)->root_y)
_gdk_macos_surface_move (GDK_MACOS_SURFACE (self), x, y);
else
return;
gdk_surface_invalidate_rect (GDK_SURFACE (self), NULL);
}
static void
show_popup (GdkMacosPopupSurface *self)
{
_gdk_macos_surface_show (GDK_MACOS_SURFACE (self));
}
static void
show_grabbing_popup (GdkSeat *seat,
GdkSurface *surface,
gpointer user_data)
{
show_popup (GDK_MACOS_POPUP_SURFACE (surface));
}
static gboolean
gdk_macos_popup_surface_present (GdkPopup *popup,
int width,
int height,
GdkPopupLayout *layout)
{
GdkMacosPopupSurface *self = (GdkMacosPopupSurface *)popup;
g_assert (GDK_IS_MACOS_POPUP_SURFACE (self));
gdk_macos_popup_surface_layout (self, width, height, layout);
if (GDK_SURFACE_IS_MAPPED (GDK_SURFACE (self)))
return TRUE;
if (GDK_SURFACE (self)->autohide)
{
GdkDisplay *display = gdk_surface_get_display (GDK_SURFACE (popup));
GdkSeat *seat = gdk_display_get_default_seat (display);
gdk_seat_grab (seat,
GDK_SURFACE (self),
GDK_SEAT_CAPABILITY_ALL,
TRUE,
NULL, NULL,
show_grabbing_popup,
NULL);
}
else
{
show_popup (GDK_MACOS_POPUP_SURFACE (self));
}
GDK_MACOS_SURFACE (self)->did_initial_present = TRUE;
return GDK_SURFACE_IS_MAPPED (GDK_SURFACE (self));
}
static GdkGravity
gdk_macos_popup_surface_get_surface_anchor (GdkPopup *popup)
{
return GDK_SURFACE (popup)->popup.surface_anchor;
}
static GdkGravity
gdk_macos_popup_surface_get_rect_anchor (GdkPopup *popup)
{
return GDK_SURFACE (popup)->popup.rect_anchor;
}
static int
gdk_macos_popup_surface_get_position_x (GdkPopup *popup)
{
return GDK_SURFACE (popup)->x;
}
static int
gdk_macos_popup_surface_get_position_y (GdkPopup *popup)
{
return GDK_SURFACE (popup)->y;
}
static void
popup_interface_init (GdkPopupInterface *iface)
{
iface->present = gdk_macos_popup_surface_present;
iface->get_surface_anchor = gdk_macos_popup_surface_get_surface_anchor;
iface->get_rect_anchor = gdk_macos_popup_surface_get_rect_anchor;
iface->get_position_x = gdk_macos_popup_surface_get_position_x;
iface->get_position_y = gdk_macos_popup_surface_get_position_y;
}
G_DEFINE_TYPE_WITH_CODE (GdkMacosPopupSurface, _gdk_macos_popup_surface, GDK_TYPE_MACOS_SURFACE,
G_IMPLEMENT_INTERFACE (GDK_TYPE_POPUP, popup_interface_init))
enum {
PROP_0,
LAST_PROP,
};
static void
_gdk_macos_popup_surface_finalize (GObject *object)
{
GdkMacosPopupSurface *self = (GdkMacosPopupSurface *)object;
g_clear_object (&GDK_SURFACE (self)->parent);
g_clear_pointer (&self->layout, gdk_popup_layout_unref);
G_OBJECT_CLASS (_gdk_macos_popup_surface_parent_class)->finalize (object);
}
static void
_gdk_macos_popup_surface_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_POPUP_PROP_PARENT:
g_value_set_object (value, surface->parent);
break;
case LAST_PROP + GDK_POPUP_PROP_AUTOHIDE:
g_value_set_boolean (value, surface->autohide);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
_gdk_macos_popup_surface_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkSurface *surface = GDK_SURFACE (object);
switch (prop_id)
{
case LAST_PROP + GDK_POPUP_PROP_PARENT:
surface->parent = g_value_dup_object (value);
if (surface->parent)
surface->parent->children = g_list_prepend (surface->parent->children, surface);
break;
case LAST_PROP + GDK_POPUP_PROP_AUTOHIDE:
surface->autohide = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
_gdk_macos_popup_surface_class_init (GdkMacosPopupSurfaceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = _gdk_macos_popup_surface_finalize;
object_class->get_property = _gdk_macos_popup_surface_get_property;
object_class->set_property = _gdk_macos_popup_surface_set_property;
gdk_popup_install_properties (object_class, 1);
}
static void
_gdk_macos_popup_surface_init (GdkMacosPopupSurface *self)
{
}
GdkMacosSurface *
_gdk_macos_popup_surface_new (GdkMacosDisplay *display,
GdkSurface *parent,
GdkFrameClock *frame_clock,
int x,
int y,
int width,
int height)
{
GDK_BEGIN_MACOS_ALLOC_POOL;
GdkMacosWindow *window;
GdkMacosSurface *self;
NSScreen *screen;
NSUInteger style_mask;
NSRect content_rect;
NSRect screen_rect;
int nx;
int ny;
g_return_val_if_fail (GDK_IS_MACOS_DISPLAY (display), NULL);
g_return_val_if_fail (!frame_clock || GDK_IS_FRAME_CLOCK (frame_clock), NULL);
g_return_val_if_fail (!parent || GDK_IS_MACOS_SURFACE (parent), NULL);
style_mask = NSWindowStyleMaskBorderless;
_gdk_macos_display_to_display_coords (display, x, y, &nx, &ny);
screen = _gdk_macos_display_get_screen_at_display_coords (display, nx, ny);
screen_rect = [screen frame];
nx -= screen_rect.origin.x;
ny -= screen_rect.origin.y;
content_rect = NSMakeRect (nx, ny - height, width, height);
window = [[GdkMacosWindow alloc] initWithContentRect:content_rect
styleMask:style_mask
backing:NSBackingStoreBuffered
defer:NO
screen:screen];
[window setOpaque:NO];
[window setBackgroundColor:[NSColor clearColor]];
[window setDecorated:NO];
#if 0
/* NOTE: We could set these to be popup level, but then
* [NSApp orderedWindows] would not give us the windows
* back with the stacking order applied.
*/
[window setLevel:NSPopUpMenuWindowLevel];
#endif
self = g_object_new (GDK_TYPE_MACOS_POPUP_SURFACE,
"display", display,
"frame-clock", frame_clock,
"native", window,
"parent", parent,
NULL);
GDK_END_MACOS_ALLOC_POOL;
return g_steal_pointer (&self);
}
void
_gdk_macos_popup_surface_attach_to_parent (GdkMacosPopupSurface *self)
{
GdkSurface *surface = (GdkSurface *)self;
g_return_if_fail (GDK_IS_MACOS_POPUP_SURFACE (self));
if (GDK_SURFACE_DESTROYED (surface))
return;
if (surface->parent != NULL && !GDK_SURFACE_DESTROYED (surface->parent))
{
NSWindow *parent = _gdk_macos_surface_get_native (GDK_MACOS_SURFACE (surface->parent));
NSWindow *window = _gdk_macos_surface_get_native (GDK_MACOS_SURFACE (self));
[parent addChildWindow:window ordered:NSWindowAbove];
_gdk_macos_display_clear_sorting (GDK_MACOS_DISPLAY (surface->display));
}
}
void
_gdk_macos_popup_surface_detach_from_parent (GdkMacosPopupSurface *self)
{
GdkSurface *surface = (GdkSurface *)self;
g_return_if_fail (GDK_IS_MACOS_POPUP_SURFACE (self));
if (GDK_SURFACE_DESTROYED (surface))
return;
if (surface->parent != NULL && !GDK_SURFACE_DESTROYED (surface->parent))
{
NSWindow *parent = _gdk_macos_surface_get_native (GDK_MACOS_SURFACE (surface->parent));
NSWindow *window = _gdk_macos_surface_get_native (GDK_MACOS_SURFACE (self));
[parent removeChildWindow:window];
_gdk_macos_display_clear_sorting (GDK_MACOS_DISPLAY (surface->display));
}
}
void
_gdk_macos_popup_surface_reposition (GdkMacosPopupSurface *self)
{
g_return_if_fail (GDK_IS_MACOS_POPUP_SURFACE (self));
if (self->layout == NULL ||
!gdk_surface_get_mapped (GDK_SURFACE (self)) ||
GDK_SURFACE (self)->parent == NULL)
return;
gdk_macos_popup_surface_layout (self,
GDK_SURFACE (self)->width,
GDK_SURFACE (self)->height,
self->layout);
}