godot/platform/macos/godot_button_view.mm

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/*************************************************************************/
/* godot_button_view.mm */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "godot_button_view.h"
@implementation GodotButtonView
- (id)initWithFrame:(NSRect)frame {
self = [super initWithFrame:frame];
tracking_area = nil;
offset = NSMakePoint(8, 8);
spacing = 20;
mouse_in_group = false;
rtl = false;
close_button = nullptr;
miniaturize_button = nullptr;
zoom_button = nullptr;
return self;
}
- (void)initButtons:(CGFloat)button_spacing offset:(NSPoint)button_offset rtl:(bool)is_rtl {
spacing = button_spacing;
rtl = is_rtl;
close_button = [NSWindow standardWindowButton:NSWindowCloseButton forStyleMask:NSWindowStyleMaskTitled];
[close_button setFrameOrigin:NSMakePoint(rtl ? spacing * 2 : 0, 0)];
[self addSubview:close_button];
miniaturize_button = [NSWindow standardWindowButton:NSWindowMiniaturizeButton forStyleMask:NSWindowStyleMaskTitled];
[miniaturize_button setFrameOrigin:NSMakePoint(spacing, 0)];
[self addSubview:miniaturize_button];
zoom_button = [NSWindow standardWindowButton:NSWindowZoomButton forStyleMask:NSWindowStyleMaskTitled];
[zoom_button setFrameOrigin:NSMakePoint(rtl ? 0 : spacing * 2, 0)];
[self addSubview:zoom_button];
offset.y = button_offset.y - zoom_button.frame.size.height / 2;
offset.x = button_offset.x - zoom_button.frame.size.width / 2;
if (rtl) {
[self setFrameSize:NSMakeSize(close_button.frame.origin.x + close_button.frame.size.width, close_button.frame.size.height)];
} else {
[self setFrameSize:NSMakeSize(zoom_button.frame.origin.x + zoom_button.frame.size.width, zoom_button.frame.size.height)];
}
[self displayButtons];
}
- (void)setOffset:(NSPoint)button_offset {
if (zoom_button) {
offset.y = button_offset.y - zoom_button.frame.size.height / 2;
offset.x = button_offset.x - zoom_button.frame.size.width / 2;
[self viewDidMoveToWindow];
}
}
- (NSPoint)getOffset {
return offset;
}
- (void)viewDidMoveToWindow {
if (!self.window) {
return;
}
if (rtl) {
[self setAutoresizingMask:NSViewMinXMargin | NSViewMinYMargin];
[self setFrameOrigin:NSMakePoint(self.window.frame.size.width - self.frame.size.width - offset.x, self.window.frame.size.height - self.frame.size.height - offset.y)];
} else {
[self setAutoresizingMask:NSViewMaxXMargin | NSViewMinYMargin];
[self setFrameOrigin:NSMakePoint(offset.x, self.window.frame.size.height - self.frame.size.height - offset.y)];
}
}
- (BOOL)_mouseInGroup:(NSButton *)button {
return mouse_in_group;
}
- (void)updateTrackingAreas {
if (tracking_area != nil) {
[self removeTrackingArea:tracking_area];
}
NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited | NSTrackingActiveAlways | NSTrackingInVisibleRect;
tracking_area = [[NSTrackingArea alloc] initWithRect:NSZeroRect options:options owner:self userInfo:nil];
[self addTrackingArea:tracking_area];
}
- (void)mouseEntered:(NSEvent *)event {
[super mouseEntered:event];
mouse_in_group = true;
[self displayButtons];
}
- (void)mouseExited:(NSEvent *)event {
[super mouseExited:event];
mouse_in_group = false;
[self displayButtons];
}
- (void)displayButtons {
for (NSView *subview in self.subviews) {
[subview setNeedsDisplay:YES];
}
}
@end