/* GdkMacosWindow.m
*
* Copyright © 2020 Red Hat, Inc.
* Copyright © 2005-2007 Imendio AB
*
* 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 .
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include
#import "GdkMacosBaseView.h"
#import "GdkMacosCairoView.h"
#import "GdkMacosGLView.h"
#import "GdkMacosWindow.h"
#include "gdkmacosdisplay-private.h"
#include "gdkmacosmonitor-private.h"
#include "gdkmacossurface-private.h"
#include "gdkmacospopupsurface-private.h"
#include "gdkmacostoplevelsurface-private.h"
#include "gdkmacosutils-private.h"
#include "gdkmonitorprivate.h"
#include "gdksurfaceprivate.h"
@implementation GdkMacosWindow
-(BOOL)windowShouldClose:(id)sender
{
GdkDisplay *display;
GdkEvent *event;
GList *node;
display = gdk_surface_get_display (GDK_SURFACE (gdk_surface));
event = gdk_delete_event_new (GDK_SURFACE (gdk_surface));
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event,
_gdk_display_get_next_serial (display));
return NO;
}
-(void)windowWillMiniaturize:(NSNotification *)aNotification
{
if (GDK_IS_MACOS_TOPLEVEL_SURFACE (gdk_surface))
_gdk_macos_toplevel_surface_detach_from_parent (GDK_MACOS_TOPLEVEL_SURFACE (gdk_surface));
else if (GDK_IS_MACOS_POPUP_SURFACE (gdk_surface))
_gdk_macos_popup_surface_detach_from_parent (GDK_MACOS_POPUP_SURFACE (gdk_surface));
}
-(void)windowDidMiniaturize:(NSNotification *)aNotification
{
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), 0, GDK_TOPLEVEL_STATE_MINIMIZED);
}
-(void)windowDidDeminiaturize:(NSNotification *)aNotification
{
if (GDK_IS_MACOS_TOPLEVEL_SURFACE (gdk_surface))
_gdk_macos_toplevel_surface_attach_to_parent (GDK_MACOS_TOPLEVEL_SURFACE (gdk_surface));
else if (GDK_IS_MACOS_POPUP_SURFACE (gdk_surface))
_gdk_macos_popup_surface_attach_to_parent (GDK_MACOS_POPUP_SURFACE (gdk_surface));
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), GDK_TOPLEVEL_STATE_MINIMIZED, 0);
}
-(void)windowDidBecomeKey:(NSNotification *)aNotification
{
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), 0, GDK_TOPLEVEL_STATE_FOCUSED);
_gdk_macos_display_surface_became_key ([self gdkDisplay], gdk_surface);
}
-(void)windowDidResignKey:(NSNotification *)aNotification
{
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), GDK_TOPLEVEL_STATE_FOCUSED, 0);
_gdk_macos_display_surface_resigned_key ([self gdkDisplay], gdk_surface);
}
-(void)windowDidBecomeMain:(NSNotification *)aNotification
{
if (![self isVisible])
{
/* Note: This is a hack needed because for unknown reasons, hidden
* windows get shown when clicking the dock icon when the application
* is not already active.
*/
[self orderOut:nil];
return;
}
_gdk_macos_display_surface_became_main ([self gdkDisplay], gdk_surface);
}
-(void)windowDidResignMain:(NSNotification *)aNotification
{
_gdk_macos_display_surface_resigned_main ([self gdkDisplay], gdk_surface);
}
/* Used in combination with NSLeftMouseUp in sendEvent to keep track
* of when the window is being moved with the mouse.
*/
-(void)windowWillMove:(NSNotification *)aNotification
{
inMove = YES;
}
-(void)sendEvent:(NSEvent *)event
{
NSEventType event_type = [event type];
switch ((int)event_type)
{
case NSEventTypeLeftMouseUp: {
GdkDisplay *display = gdk_surface_get_display (GDK_SURFACE (gdk_surface));
double time = ((double)[event timestamp]) * 1000.0;
inManualMove = NO;
inManualResize = NO;
inMove = NO;
/* We need to deliver the event to the proper drag gestures or we
* will leave the window in inconsistent state that requires clicking
* in the window to cancel the gesture.
*
* TODO: Can we improve grab breaking to fix this?
*/
_gdk_macos_display_send_button_event ([self gdkDisplay], event);
_gdk_macos_display_break_all_grabs (GDK_MACOS_DISPLAY (display), time);
/* Reset gravity */
if (GDK_IS_MACOS_GL_VIEW ([self contentView]))
[[[self contentView] layer] setContentsGravity:kCAGravityBottomLeft];
break;
}
case NSEventTypeLeftMouseDragged:
if ([self trackManualMove] || [self trackManualResize])
return;
break;
default:
break;
}
[super sendEvent:event];
}
-(BOOL)isInMove
{
return inMove;
}
-(void)checkSendEnterNotify
{
/* When a new window has been created, and the mouse is in the window
* area, we will not receive an NSEventTypeMouseEntered event.
* Therefore, we synthesize an enter notify event manually.
*/
if (!initialPositionKnown)
{
initialPositionKnown = YES;
if (NSPointInRect ([NSEvent mouseLocation], [self frame]))
{
GdkMacosBaseView *view = (GdkMacosBaseView *)[self contentView];
NSEvent *event;
event = [NSEvent enterExitEventWithType: NSEventTypeMouseEntered
location: [self mouseLocationOutsideOfEventStream]
modifierFlags: 0
timestamp: [[NSApp currentEvent] timestamp]
windowNumber: [self windowNumber]
context: NULL
eventNumber: 0
trackingNumber: (NSInteger)[view trackingArea]
userData: nil];
[NSApp postEvent:event atStart:NO];
}
}
}
-(void)windowDidUnmaximize
{
NSWindowStyleMask style_mask = [self styleMask];
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), GDK_TOPLEVEL_STATE_MAXIMIZED, 0);
/* If we are using CSD, then we transitioned to an opaque
* window while we were maximized. Now we need to drop that
* as we are leaving maximized state.
*/
if ((style_mask & NSWindowStyleMaskTitled) == 0 && [self isOpaque])
[self setOpaque:NO];
}
-(void)windowDidMove:(NSNotification *)aNotification
{
GdkSurface *surface = GDK_SURFACE (gdk_surface);
gboolean maximized = (surface->state & GDK_TOPLEVEL_STATE_MAXIMIZED) != 0;
/* In case the window is changed when maximized remove the maximized state */
if (maximized && !inMaximizeTransition && !NSEqualRects (lastMaximizedFrame, [self frame]))
[self windowDidUnmaximize];
_gdk_macos_surface_update_position (gdk_surface);
_gdk_macos_surface_reposition_children (gdk_surface);
[self checkSendEnterNotify];
}
-(void)windowDidResize:(NSNotification *)aNotification
{
NSRect content_rect;
GdkSurface *surface;
GdkDisplay *display;
GdkEvent *event;
gboolean maximized;
GList *node;
surface = GDK_SURFACE (gdk_surface);
display = gdk_surface_get_display (surface);
content_rect = [self contentRectForFrameRect:[self frame]];
maximized = (surface->state & GDK_TOPLEVEL_STATE_MAXIMIZED) != 0;
/* see same in windowDidMove */
if (maximized && !inMaximizeTransition && !NSEqualRects (lastMaximizedFrame, [self frame]))
[self windowDidUnmaximize];
surface->width = content_rect.size.width;
surface->height = content_rect.size.height;
/* Certain resize operations (e.g. going fullscreen), also move the
* origin of the window.
*/
_gdk_macos_surface_update_position (GDK_MACOS_SURFACE (surface));
[[self contentView] setFrame:NSMakeRect (0, 0, surface->width, surface->height)];
_gdk_surface_update_size (surface);
/* Synthesize a configure event */
event = gdk_configure_event_new (surface,
content_rect.size.width,
content_rect.size.height);
node = _gdk_event_queue_append (display, event);
_gdk_windowing_got_event (display, node, event,
_gdk_display_get_next_serial (display));
_gdk_macos_surface_reposition_children (gdk_surface);
[self checkSendEnterNotify];
}
-(id)initWithContentRect:(NSRect)contentRect
styleMask:(NSWindowStyleMask)styleMask
backing:(NSBackingStoreType)backingType
defer:(BOOL)flag
screen:(NSScreen *)screen
{
GdkMacosCairoView *view;
self = [super initWithContentRect:contentRect
styleMask:styleMask
backing:backingType
defer:flag
screen:screen];
[self setAcceptsMouseMovedEvents:YES];
[self setDelegate:(id)self];
[self setReleasedWhenClosed:YES];
view = [[GdkMacosCairoView alloc] initWithFrame:contentRect];
[self setContentView:view];
[view release];
return self;
}
-(BOOL)canBecomeMainWindow
{
return GDK_IS_TOPLEVEL (gdk_surface);
}
-(BOOL)canBecomeKeyWindow
{
return GDK_IS_TOPLEVEL (gdk_surface);
}
-(void)showAndMakeKey:(BOOL)makeKey
{
inShowOrHide = YES;
if (makeKey && [self canBecomeKeyWindow])
[self makeKeyAndOrderFront:nil];
else
[self orderFront:nil];
inShowOrHide = NO;
[self checkSendEnterNotify];
}
-(void)hide
{
inShowOrHide = YES;
[self orderOut:nil];
inShowOrHide = NO;
initialPositionKnown = NO;
}
-(BOOL)trackManualMove
{
NSRect windowFrame;
NSPoint currentLocation;
GdkMonitor *monitor;
GdkRectangle geometry;
GdkRectangle workarea;
int shadow_top = 0;
int shadow_left = 0;
int shadow_right = 0;
int shadow_bottom = 0;
GdkRectangle window_gdk;
GdkPoint pointer_position;
GdkPoint new_origin;
if (!inManualMove)
return NO;
/* Get our shadow so we can adjust the window position sans-shadow */
_gdk_macos_surface_get_shadow (gdk_surface,
&shadow_top,
&shadow_right,
&shadow_bottom,
&shadow_left);
windowFrame = [self frame];
currentLocation = [NSEvent mouseLocation];
/* Update the snapping geometry to match the current monitor */
monitor = _gdk_macos_display_get_monitor_at_display_coords ([self gdkDisplay],
currentLocation.x,
currentLocation.y);
gdk_monitor_get_geometry (monitor, &geometry);
gdk_macos_monitor_get_workarea (monitor, &workarea);
_edge_snapping_set_monitor (&self->snapping, &geometry, &workarea);
/* Convert origins to GDK coordinates */
_gdk_macos_display_from_display_coords ([self gdkDisplay],
currentLocation.x,
currentLocation.y,
&pointer_position.x,
&pointer_position.y);
_gdk_macos_display_from_display_coords ([self gdkDisplay],
windowFrame.origin.x,
windowFrame.origin.y + windowFrame.size.height,
&window_gdk.x,
&window_gdk.y);
window_gdk.width = windowFrame.size.width;
window_gdk.height = windowFrame.size.height;
/* Subtract our shadowin from the window */
window_gdk.x += shadow_left;
window_gdk.y += shadow_top;
window_gdk.width = window_gdk.width - shadow_left - shadow_right;
window_gdk.height = window_gdk.height - shadow_top - shadow_bottom;
/* Now place things on the monitor */
_edge_snapping_motion (&self->snapping, &pointer_position, &window_gdk);
/* And add our shadow back to the frame */
window_gdk.x -= shadow_left;
window_gdk.y -= shadow_top;
window_gdk.width += shadow_left + shadow_right;
window_gdk.height += shadow_top + shadow_bottom;
/* Convert to quartz coordinates */
_gdk_macos_display_to_display_coords ([self gdkDisplay],
window_gdk.x,
window_gdk.y + window_gdk.height,
&new_origin.x, &new_origin.y);
windowFrame.origin.x = new_origin.x;
windowFrame.origin.y = new_origin.y;
/* And now apply the frame to the window */
[self setFrameOrigin:NSMakePoint(new_origin.x, new_origin.y)];
return YES;
}
/* Used by gdkmacosdisplay-translate.c to decide if our sendEvent() handler
* above will see the event or if it will be subjected to standard processing
* by GDK.
*/
-(BOOL)isInManualResizeOrMove
{
return inManualResize || inManualMove;
}
-(void)beginManualMove
{
NSPoint initialMoveLocation;
GdkPoint point;
GdkMonitor *monitor;
GdkRectangle geometry;
GdkRectangle area;
GdkRectangle workarea;
if (inMove || inManualMove || inManualResize)
return;
inManualMove = YES;
monitor = _gdk_macos_surface_get_best_monitor ([self gdkSurface]);
gdk_monitor_get_geometry (monitor, &geometry);
gdk_macos_monitor_get_workarea (monitor, &workarea);
initialMoveLocation = [NSEvent mouseLocation];
_gdk_macos_display_from_display_coords ([self gdkDisplay],
initialMoveLocation.x,
initialMoveLocation.y,
&point.x,
&point.y);
area.x = gdk_surface->root_x;
area.y = gdk_surface->root_y;
area.width = GDK_SURFACE (gdk_surface)->width;
area.height = GDK_SURFACE (gdk_surface)->height;
_edge_snapping_init (&self->snapping,
&geometry,
&workarea,
&point,
&area);
}
-(BOOL)trackManualResize
{
NSPoint mouse_location;
NSRect new_frame;
float mdx, mdy, dw, dh, dx, dy;
NSSize min_size;
if (!inManualResize || inTrackManualResize)
return NO;
inTrackManualResize = YES;
mouse_location = [self convertPointToScreen:[self mouseLocationOutsideOfEventStream]];
mdx = initialResizeLocation.x - mouse_location.x;
mdy = initialResizeLocation.y - mouse_location.y;
/* Set how a mouse location delta translates to changes in width,
* height and position.
*/
dw = dh = dx = dy = 0.0;
if (resizeEdge == GDK_SURFACE_EDGE_EAST ||
resizeEdge == GDK_SURFACE_EDGE_NORTH_EAST ||
resizeEdge == GDK_SURFACE_EDGE_SOUTH_EAST)
{
dw = -1.0;
}
if (resizeEdge == GDK_SURFACE_EDGE_NORTH ||
resizeEdge == GDK_SURFACE_EDGE_NORTH_WEST ||
resizeEdge == GDK_SURFACE_EDGE_NORTH_EAST)
{
dh = -1.0;
}
if (resizeEdge == GDK_SURFACE_EDGE_SOUTH ||
resizeEdge == GDK_SURFACE_EDGE_SOUTH_WEST ||
resizeEdge == GDK_SURFACE_EDGE_SOUTH_EAST)
{
dh = 1.0;
dy = -1.0;
}
if (resizeEdge == GDK_SURFACE_EDGE_WEST ||
resizeEdge == GDK_SURFACE_EDGE_NORTH_WEST ||
resizeEdge == GDK_SURFACE_EDGE_SOUTH_WEST)
{
dw = 1.0;
dx = -1.0;
}
/* Apply changes to the frame captured when we started resizing */
new_frame = initialResizeFrame;
new_frame.origin.x += mdx * dx;
new_frame.origin.y += mdy * dy;
new_frame.size.width += mdx * dw;
new_frame.size.height += mdy * dh;
/* In case the resulting window would be too small reduce the
* change to both size and position.
*/
min_size = [self contentMinSize];
if (new_frame.size.width < min_size.width)
{
if (dx)
new_frame.origin.x -= min_size.width - new_frame.size.width;
new_frame.size.width = min_size.width;
}
if (new_frame.size.height < min_size.height)
{
if (dy)
new_frame.origin.y -= min_size.height - new_frame.size.height;
new_frame.size.height = min_size.height;
}
/* We could also apply aspect ratio:
new_frame.size.height = new_frame.size.width / [self aspectRatio].width * [self aspectRatio].height;
*/
[self setFrame:new_frame display:YES];
/* Let the resizing be handled by GTK. */
if (g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
inTrackManualResize = NO;
return YES;
}
-(void)beginManualResize:(GdkSurfaceEdge)edge
{
if (inMove || inManualMove || inManualResize)
return;
inManualResize = YES;
resizeEdge = edge;
if (GDK_IS_MACOS_GL_VIEW ([self contentView]))
{
CALayerContentsGravity gravity = kCAGravityBottomLeft;
switch (edge)
{
default:
case GDK_SURFACE_EDGE_NORTH:
gravity = kCAGravityTopLeft;
break;
case GDK_SURFACE_EDGE_NORTH_WEST:
gravity = kCAGravityTopRight;
break;
case GDK_SURFACE_EDGE_SOUTH_WEST:
case GDK_SURFACE_EDGE_WEST:
gravity = kCAGravityBottomRight;
break;
case GDK_SURFACE_EDGE_SOUTH:
case GDK_SURFACE_EDGE_SOUTH_EAST:
gravity = kCAGravityBottomLeft;
break;
case GDK_SURFACE_EDGE_EAST:
gravity = kCAGravityBottomLeft;
break;
case GDK_SURFACE_EDGE_NORTH_EAST:
gravity = kCAGravityTopLeft;
break;
}
[[[self contentView] layer] setContentsGravity:gravity];
}
initialResizeFrame = [self frame];
initialResizeLocation = [self convertPointToScreen:[self mouseLocationOutsideOfEventStream]];
}
-(NSDragOperation)draggingEntered:(id )sender
{
return NSDragOperationNone;
}
-(void)draggingEnded:(id )sender
{
}
-(void)draggingExited:(id )sender
{
}
-(NSDragOperation)draggingUpdated:(id )sender
{
return NSDragOperationNone;
}
-(BOOL)performDragOperation:(id )sender
{
return YES;
}
-(BOOL)wantsPeriodicDraggingUpdates
{
return NO;
}
-(void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation
{
}
-(void)setStyleMask:(NSWindowStyleMask)styleMask
{
gboolean was_fullscreen;
gboolean is_fullscreen;
gboolean was_opaque;
gboolean is_opaque;
was_fullscreen = (([self styleMask] & NSWindowStyleMaskFullScreen) != 0);
was_opaque = (([self styleMask] & NSWindowStyleMaskTitled) != 0);
[super setStyleMask:styleMask];
is_fullscreen = (([self styleMask] & NSWindowStyleMaskFullScreen) != 0);
is_opaque = (([self styleMask] & NSWindowStyleMaskTitled) != 0);
if (was_fullscreen != is_fullscreen)
_gdk_macos_surface_update_fullscreen_state (gdk_surface);
if (was_opaque != is_opaque)
{
[self setOpaque:is_opaque];
if (!is_opaque)
[self setBackgroundColor:[NSColor clearColor]];
}
}
-(NSRect)constrainFrameRect:(NSRect)frameRect toScreen:(NSScreen *)screen
{
GdkMacosSurface *surface = gdk_surface;
NSRect rect;
int shadow_top;
/* Allow the window to move up "shadow_top" more than normally allowed
* by the default impl. This makes it possible to move windows with
* client side shadow right up to the screen's menu bar. */
_gdk_macos_surface_get_shadow (surface, &shadow_top, NULL, NULL, NULL);
rect = [super constrainFrameRect:frameRect toScreen:screen];
if (frameRect.origin.y > rect.origin.y)
rect.origin.y = MIN (frameRect.origin.y, rect.origin.y + shadow_top);
return rect;
}
-(NSRect)windowWillUseStandardFrame:(NSWindow *)nsWindow
defaultFrame:(NSRect)newFrame
{
NSRect screenFrame = [[self screen] visibleFrame];
GdkMacosSurface *surface = gdk_surface;
gboolean maximized = GDK_SURFACE (surface)->state & GDK_TOPLEVEL_STATE_MAXIMIZED;
if (!maximized)
return screenFrame;
else
return lastUnmaximizedFrame;
}
-(BOOL)windowShouldZoom:(NSWindow *)nsWindow
toFrame:(NSRect)newFrame
{
GdkMacosSurface *surface = gdk_surface;
GdkToplevelState state = GDK_SURFACE (surface)->state;
if (state & GDK_TOPLEVEL_STATE_MAXIMIZED)
{
lastMaximizedFrame = newFrame;
[self windowDidUnmaximize];
}
else
{
lastUnmaximizedFrame = [nsWindow frame];
gdk_synthesize_surface_state (GDK_SURFACE (gdk_surface), 0, GDK_TOPLEVEL_STATE_MAXIMIZED);
}
inMaximizeTransition = YES;
return YES;
}
-(void)windowDidEndLiveResize:(NSNotification *)aNotification
{
gboolean maximized = GDK_SURFACE (gdk_surface)->state & GDK_TOPLEVEL_STATE_MAXIMIZED;
inMaximizeTransition = NO;
/* Even if this is CSD, we want to be opaque while maximized
* to speed up compositing by allowing the display server to
* avoid costly blends.
*/
if (maximized)
[self setOpaque:YES];
}
-(NSSize)window:(NSWindow *)window willUseFullScreenContentSize:(NSSize)proposedSize
{
return [[window screen] frame].size;
}
-(void)windowWillEnterFullScreen:(NSNotification *)aNotification
{
lastUnfullscreenFrame = [self frame];
}
-(void)windowWillExitFullScreen:(NSNotification *)aNotification
{
[self setFrame:lastUnfullscreenFrame display:YES];
}
-(void)windowDidExitFullScreen:(NSNotification *)aNotification
{
}
-(void)windowDidChangeScreen:(NSNotification *)aNotification
{
_gdk_macos_surface_monitor_changed (gdk_surface);
}
-(void)setGdkSurface:(GdkMacosSurface *)surface
{
self->gdk_surface = surface;
}
-(void)setDecorated:(BOOL)decorated
{
NSWindowStyleMask style_mask = [self styleMask];
[self setHasShadow:decorated];
if (decorated)
style_mask |= NSWindowStyleMaskTitled;
else
style_mask &= ~NSWindowStyleMaskTitled;
[self setStyleMask:style_mask];
}
-(GdkMacosSurface *)gdkSurface
{
return self->gdk_surface;
}
-(GdkMacosDisplay *)gdkDisplay
{
return GDK_MACOS_DISPLAY (GDK_SURFACE (self->gdk_surface)->display);
}
-(BOOL)movableByWindowBackground
{
return NO;
}
@end