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mutter/clutter/osx/clutter-stage-osx.c
Emmanuele Bassi 1776ac8ed5 Remove internal usage of ClutterGeometry in StageWindow 
The ClutterGeometry type is a poor substitute of cairo_rectangle_int_t,
with unsigned integers for width and height to complicate matters.

Let's remove the internal usage of ClutterGeometry and switch to the
rectangle type from Cairo.

https://bugzilla.gnome.org/show_bug.cgi?id=656663
2011-09-26 12:05:55 +01:00

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/* Clutter - An OpenGL based 'interactive canvas' library.
* OSX backend - integration with NSWindow and NSView
*
* Copyright (C) 2007-2008 Tommi Komulainen <tommi.komulainen@iki.fi>
* Copyright (C) 2007 OpenedHand Ltd.
* Copyright (C) 2011 Crystalnix <vgachkaylo@gmail.com>
*
* 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 "clutter-osx.h"
#include "clutter-stage-osx.h"
#include "clutter-backend-osx.h"
#include "clutter-debug.h"
#include "clutter-private.h"
#include "clutter-stage-private.h"
#import <AppKit/AppKit.h>
static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
#define clutter_stage_osx_get_type _clutter_stage_osx_get_type
G_DEFINE_TYPE_WITH_CODE (ClutterStageOSX,
clutter_stage_osx,
G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init))
/* FIXME: this should be in clutter-stage.c */
static void
clutter_stage_osx_state_update (ClutterStageOSX *self,
ClutterStageState unset_flags,
ClutterStageState set_flags);
static ClutterActor *
clutter_stage_osx_get_wrapper (ClutterStageWindow *stage_window);
#define CLUTTER_OSX_FULLSCREEN_WINDOW_LEVEL (NSMainMenuWindowLevel + 1)
/*************************************************************************/
@implementation ClutterGLWindow
- (id)initWithView:(NSView *)aView UTF8Title:(const char *)aTitle stage:(ClutterStageOSX *)aStage
{
if ((self = [super initWithContentRect: [aView frame]
styleMask: NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask
backing: NSBackingStoreBuffered
defer: NO]) != nil)
{
[self setDelegate: self];
[self useOptimizedDrawing: YES];
[self setAcceptsMouseMovedEvents:YES];
[self setContentView: aView];
[self setTitle:[NSString stringWithUTF8String: aTitle ? aTitle : ""]];
self->stage_osx = aStage;
}
return self;
}
- (BOOL) windowShouldClose: (id) sender
{
ClutterEvent event;
CLUTTER_NOTE (BACKEND, "[%p] windowShouldClose", self->stage_osx);
event.type = CLUTTER_DELETE;
event.any.stage = CLUTTER_STAGE (self->stage_osx->wrapper);
clutter_event_put (&event);
return NO;
}
- (NSRect) constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen*)aScreen
{
/* in fullscreen mode we don't want to be constrained by menubar or dock
* FIXME: calculate proper constraints depending on fullscreen mode
*/
return frameRect;
}
- (void) windowDidBecomeKey:(NSNotification*)aNotification
{
CLUTTER_NOTE (BACKEND, "[%p] windowDidBecomeKey", self->stage_osx);
if (self->stage_osx->stage_state & CLUTTER_STAGE_STATE_FULLSCREEN)
[self setLevel: CLUTTER_OSX_FULLSCREEN_WINDOW_LEVEL];
clutter_stage_osx_state_update (self->stage_osx, 0, CLUTTER_STAGE_STATE_ACTIVATED);
}
- (void) windowDidResignKey:(NSNotification*)aNotification
{
CLUTTER_NOTE (BACKEND, "[%p] windowDidResignKey", self->stage_osx);
if (self->stage_osx->stage_state & CLUTTER_STAGE_STATE_FULLSCREEN)
{
[self setLevel: NSNormalWindowLevel];
if (!self->stage_osx->isHiding)
[self orderBack: nil];
}
clutter_stage_osx_state_update (self->stage_osx, CLUTTER_STAGE_STATE_ACTIVATED, 0);
}
- (NSSize) windowWillResize:(NSWindow *) sender toSize:(NSSize) frameSize
{
if ( clutter_stage_get_user_resizable (self->stage_osx->wrapper) )
{
guint min_width, min_height;
clutter_stage_get_minimum_size (self->stage_osx->wrapper,
&min_width,
&min_height);
[self setContentMinSize:NSMakeSize(min_width, min_height)];
return frameSize;
}
else
return [self frame].size;
}
- (void)windowDidChangeScreen:(NSNotification *)notification
{
clutter_redraw(CLUTTER_STAGE(self->stage_osx->wrapper));
}
@end
/*************************************************************************/
@interface ClutterGLView : NSOpenGLView
{
ClutterStageOSX *stage_osx;
NSTrackingRectTag tracking_rect;
}
- (void) drawRect: (NSRect) bounds;
@end
@implementation ClutterGLView
- (id) initWithFrame: (NSRect)aFrame pixelFormat:(NSOpenGLPixelFormat*)aFormat stage:(ClutterStageOSX*)aStage
{
if ((self = [super initWithFrame:aFrame pixelFormat:aFormat]) != nil)
{
self->stage_osx = aStage;
tracking_rect = [self addTrackingRect:[self bounds]
owner:self
userData:NULL
assumeInside:NO];
}
return self;
}
- (void) drawRect: (NSRect) bounds
{
_clutter_stage_do_paint (CLUTTER_STAGE (self->stage_osx->wrapper), NULL);
cogl_flush ();
[[self openGLContext] flushBuffer];
}
/* In order to receive key events */
- (BOOL) acceptsFirstResponder
{
return YES;
}
/* We want 0,0 top left */
- (BOOL) isFlipped
{
return YES;
}
- (BOOL) isOpaque
{
if (clutter_stage_get_use_alpha (CLUTTER_STAGE (self->stage_osx->wrapper)))
return NO;
return YES;
}
- (void) reshape
{
stage_osx->requisition_width = [self bounds].size.width;
stage_osx->requisition_height = [self bounds].size.height;
clutter_actor_set_size (CLUTTER_ACTOR (self->stage_osx->wrapper),
(int)[self bounds].size.width,
(int)[self bounds].size.height);
[self removeTrackingRect:tracking_rect];
tracking_rect = [self addTrackingRect:[self bounds]
owner:self
userData:NULL
assumeInside:NO];
}
/* Simply forward all events that reach our view to clutter. */
#define EVENT_HANDLER(event) \
-(void)event:(NSEvent *) theEvent { \
_clutter_event_osx_put (theEvent, self->stage_osx->wrapper); \
}
EVENT_HANDLER(mouseDown)
EVENT_HANDLER(mouseDragged)
EVENT_HANDLER(mouseUp)
EVENT_HANDLER(mouseMoved)
EVENT_HANDLER(mouseEntered)
EVENT_HANDLER(mouseExited)
EVENT_HANDLER(rightMouseDown)
EVENT_HANDLER(rightMouseDragged)
EVENT_HANDLER(rightMouseUp)
EVENT_HANDLER(otherMouseDown)
EVENT_HANDLER(otherMouseDragged)
EVENT_HANDLER(otherMouseUp)
EVENT_HANDLER(scrollWheel)
EVENT_HANDLER(keyDown)
EVENT_HANDLER(keyUp)
EVENT_HANDLER(flagsChanged)
EVENT_HANDLER(helpRequested)
EVENT_HANDLER(tabletPoint)
EVENT_HANDLER(tabletProximity)
#undef EVENT_HANDLER
@end
/*************************************************************************/
static void
clutter_stage_osx_state_update (ClutterStageOSX *self,
ClutterStageState unset_flags,
ClutterStageState set_flags)
{
ClutterStageStateEvent event;
event.new_state = self->stage_state;
event.new_state |= set_flags;
event.new_state &= ~unset_flags;
if (event.new_state == self->stage_state)
return;
event.changed_mask = event.new_state ^ self->stage_state;
self->stage_state = event.new_state;
event.type = CLUTTER_STAGE_STATE;
event.stage = CLUTTER_STAGE (self->wrapper);
clutter_event_put ((ClutterEvent*)&event);
}
static void
clutter_stage_osx_save_frame (ClutterStageOSX *self)
{
g_assert (self->window != NULL);
self->normalFrame = [self->window frame];
self->haveNormalFrame = TRUE;
}
static void
clutter_stage_osx_set_frame (ClutterStageOSX *self)
{
g_assert (self->window != NULL);
if (self->stage_state & CLUTTER_STAGE_STATE_FULLSCREEN)
{
/* Raise above the menubar (and dock) covering the whole screen.
*
* NOTE: This effectively breaks Option-Tabbing as our window covers
* all other applications completely. However we deal with the situation
* by lowering the window to the bottom of the normal level stack on
* windowDidResignKey notification.
*/
[self->window setLevel: CLUTTER_OSX_FULLSCREEN_WINDOW_LEVEL];
[self->window setFrame: [self->window frameRectForContentRect: [[self->window screen] frame]]
display: NO];
}
else
{
[self->window setLevel: NSNormalWindowLevel];
if (self->haveNormalFrame)
[self->window setFrame: self->normalFrame display: NO];
else
{
/* looks better than positioning to 0,0 (bottom right) */
[self->window center];
}
}
}
/*************************************************************************/
static gboolean
clutter_stage_osx_realize (ClutterStageWindow *stage_window)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
gfloat width, height;
NSRect rect;
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] realize", self);
if (!self->haveRealized)
{
ClutterBackendOSX *backend_osx;
backend_osx = CLUTTER_BACKEND_OSX (self->backend);
/* Call get_size - this will either get the geometry size (which
* before we create the window is set to 640x480), or if a size
* is set, it will get that. This lets you set a size on the
* stage before it's realized.
*/
clutter_actor_get_size (CLUTTER_ACTOR (self->wrapper), &width, &height);
self->requisition_width = width;
self->requisition_height= height;
rect = NSMakeRect (0, 0, self->requisition_width, self->requisition_height);
self->view = [[ClutterGLView alloc]
initWithFrame: rect
pixelFormat: backend_osx->pixel_format
stage: self];
[self->view setOpenGLContext:backend_osx->context];
self->window = [[ClutterGLWindow alloc]
initWithView: self->view
UTF8Title: clutter_stage_get_title (CLUTTER_STAGE (self->wrapper))
stage: self];
/* looks better than positioning to 0,0 (bottom right) */
[self->window center];
self->haveRealized = true;
CLUTTER_NOTE (BACKEND, "Stage successfully realized");
}
CLUTTER_OSX_POOL_RELEASE();
return TRUE;
}
static void
clutter_stage_osx_unrealize (ClutterStageWindow *stage_window)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] unrealize", self);
/* ensure we get realize+unrealize properly paired */
g_return_if_fail (self->view != NULL && self->window != NULL);
[self->view release];
[self->window close];
self->view = NULL;
self->window = NULL;
self->haveRealized = false;
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_show (ClutterStageWindow *stage_window,
gboolean do_raise)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
BOOL isViewHidden;
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] show", self);
clutter_stage_osx_realize (stage_window);
clutter_actor_map (CLUTTER_ACTOR (self->wrapper));
clutter_stage_osx_set_frame (self);
/* Draw view should be avoided and it is the reason why
* we should hide OpenGL view while we showing the stage.
*/
isViewHidden = [self->view isHidden];
if (isViewHidden == NO)
[self->view setHidden:YES];
if (self->acceptFocus)
[self->window makeKeyAndOrderFront: nil];
else
[self->window orderFront: nil];
[self->view setHidden:isViewHidden];
[self->window setExcludedFromWindowsMenu:NO];
/*
* After hiding we cease to be first responder.
*/
[self->window makeFirstResponder: self->view];
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_hide (ClutterStageWindow *stage_window)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] hide", self);
self->isHiding = true;
[self->window orderOut: nil];
[self->window setExcludedFromWindowsMenu:YES];
clutter_actor_unmap (CLUTTER_ACTOR (self->wrapper));
self->isHiding = false;
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_get_geometry (ClutterStageWindow *stage_window,
cairo_rectangle_int_t *geometry)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
g_return_if_fail (CLUTTER_IS_BACKEND_OSX (backend));
geometry->width = self->requisition_width;
geometry->height = self->requisition_height;
}
static void
clutter_stage_osx_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
ClutterActor *actor = clutter_stage_osx_get_wrapper (stage_window);
guint min_width, min_height;
NSSize size;
CLUTTER_OSX_POOL_ALLOC ();
clutter_stage_get_minimum_size (CLUTTER_STAGE (actor),
&min_width,
&min_height);
[self->window setContentMinSize: NSMakeSize (min_width, min_height)];
width = width < min_width ? min_width : width;
height = height < min_height ? min_height : height;
self->requisition_width = width;
self->requisition_height = height;
size = NSMakeSize (self->requisition_width, self->requisition_height);
[self->window setContentSize: size];
CLUTTER_OSX_POOL_RELEASE ();
}
/*************************************************************************/
static ClutterActor *
clutter_stage_osx_get_wrapper (ClutterStageWindow *stage_window)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
return CLUTTER_ACTOR (self->wrapper);
}
static void
clutter_stage_osx_set_title (ClutterStageWindow *stage_window,
const char *title)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] set_title: %s", self, title);
[self->window setTitle:[NSString stringWithUTF8String: title ? title : ""]];
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_set_fullscreen (ClutterStageWindow *stage_window,
gboolean fullscreen)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
CLUTTER_NOTE (BACKEND, "[%p] set_fullscreen: %u", self, fullscreen);
/* Make sure to update the state before clutter_stage_osx_set_frame.
*
* Toggling fullscreen isn't atomic, there's two "events" involved:
* - stage state change (via state_update)
* - stage size change (via set_frame -> setFrameSize / set_size)
*
* We do state change first. Not sure there's any difference.
*/
if (fullscreen)
{
clutter_stage_osx_state_update (self, 0, CLUTTER_STAGE_STATE_FULLSCREEN);
clutter_stage_osx_save_frame (self);
}
else
clutter_stage_osx_state_update (self, CLUTTER_STAGE_STATE_FULLSCREEN, 0);
clutter_stage_osx_set_frame (self);
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_set_cursor_visible (ClutterStageWindow *stage_window,
gboolean cursor_visible)
{
CLUTTER_OSX_POOL_ALLOC();
if (cursor_visible)
[NSCursor unhide];
else
[NSCursor hide];
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_set_user_resizable (ClutterStageWindow *stage_window,
gboolean is_resizable)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
[self->window setShowsResizeIndicator:is_resizable];
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_set_accept_focus (ClutterStageWindow *stage_window,
gboolean accept_focus)
{
ClutterStageOSX *self = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
self->acceptFocus = !!accept_focus;
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_osx_redraw (ClutterStageWindow *stage_window)
{
ClutterStageOSX *stage_osx = CLUTTER_STAGE_OSX (stage_window);
CLUTTER_OSX_POOL_ALLOC();
if (stage_osx->view != NULL)
[stage_osx->view setNeedsDisplay: YES];
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
{
iface->get_wrapper = clutter_stage_osx_get_wrapper;
iface->set_title = clutter_stage_osx_set_title;
iface->set_fullscreen = clutter_stage_osx_set_fullscreen;
iface->show = clutter_stage_osx_show;
iface->hide = clutter_stage_osx_hide;
iface->realize = clutter_stage_osx_realize;
iface->unrealize = clutter_stage_osx_unrealize;
iface->get_geometry = clutter_stage_osx_get_geometry;
iface->resize = clutter_stage_osx_resize;
iface->set_cursor_visible = clutter_stage_osx_set_cursor_visible;
iface->set_user_resizable = clutter_stage_osx_set_user_resizable;
iface->set_accept_focus = clutter_stage_osx_set_accept_focus;
iface->redraw = clutter_stage_osx_redraw;
}
/*************************************************************************/
ClutterStageWindow *
_clutter_stage_osx_new (ClutterBackend *backend,
ClutterStage *wrapper)
{
ClutterStageOSX *self;
self = g_object_new (CLUTTER_TYPE_STAGE_OSX, NULL);
self->backend = backend;
self->wrapper = wrapper;
self->isHiding = false;
self->haveRealized = false;
self->view = NULL;
self->window = NULL;
return CLUTTER_STAGE_WINDOW(self);
}
/*************************************************************************/
static void
clutter_stage_osx_init (ClutterStageOSX *self)
{
self->requisition_width = 640;
self->requisition_height = 480;
self->acceptFocus = TRUE;
}
static void
clutter_stage_osx_finalize (GObject *gobject)
{
G_OBJECT_CLASS (clutter_stage_osx_parent_class)->finalize (gobject);
}
static void
clutter_stage_osx_dispose (GObject *gobject)
{
G_OBJECT_CLASS (clutter_stage_osx_parent_class)->dispose (gobject);
}
static void
clutter_stage_osx_class_init (ClutterStageOSXClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = clutter_stage_osx_finalize;
gobject_class->dispose = clutter_stage_osx_dispose;
}
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