ladybird/UI/AppKit/Utilities/Conversions.mm
2024-11-10 12:50:45 +01:00

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/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#import <Utilities/Conversions.h>
namespace Ladybird {
String ns_string_to_string(NSString* string)
{
auto const* utf8 = [string UTF8String];
return MUST(String::from_utf8({ utf8, strlen(utf8) }));
}
ByteString ns_string_to_byte_string(NSString* string)
{
auto const* utf8 = [string UTF8String];
return ByteString(utf8, strlen(utf8));
}
NSString* string_to_ns_string(StringView string)
{
return [[NSString alloc] initWithData:string_to_ns_data(string) encoding:NSUTF8StringEncoding];
}
NSData* string_to_ns_data(StringView string)
{
return [NSData dataWithBytes:string.characters_without_null_termination() length:string.length()];
}
NSDictionary* deserialize_json_to_dictionary(StringView json)
{
auto* ns_json = string_to_ns_string(json);
auto* json_data = [ns_json dataUsingEncoding:NSUTF8StringEncoding];
NSError* error = nil;
NSDictionary* dictionary = [NSJSONSerialization JSONObjectWithData:json_data
options:0
error:&error];
if (!dictionary) {
NSLog(@"Error deserializing DOM tree: %@", error);
}
return dictionary;
}
Gfx::IntRect ns_rect_to_gfx_rect(NSRect rect)
{
return {
static_cast<int>(rect.origin.x),
static_cast<int>(rect.origin.y),
static_cast<int>(rect.size.width),
static_cast<int>(rect.size.height),
};
}
NSRect gfx_rect_to_ns_rect(Gfx::IntRect rect)
{
return NSMakeRect(
static_cast<CGFloat>(rect.x()),
static_cast<CGFloat>(rect.y()),
static_cast<CGFloat>(rect.width()),
static_cast<CGFloat>(rect.height()));
}
Gfx::IntSize ns_size_to_gfx_size(NSSize size)
{
return {
static_cast<int>(size.width),
static_cast<int>(size.height),
};
}
NSSize gfx_size_to_ns_size(Gfx::IntSize size)
{
return NSMakeSize(
static_cast<CGFloat>(size.width()),
static_cast<CGFloat>(size.height()));
}
Gfx::IntPoint ns_point_to_gfx_point(NSPoint point)
{
return {
static_cast<int>(point.x),
static_cast<int>(point.y),
};
}
NSPoint gfx_point_to_ns_point(Gfx::IntPoint point)
{
return NSMakePoint(
static_cast<CGFloat>(point.x()),
static_cast<CGFloat>(point.y()));
}
Gfx::Color ns_color_to_gfx_color(NSColor* color)
{
auto rgb_color = [color colorUsingColorSpace:NSColorSpace.genericRGBColorSpace];
if (rgb_color != nil)
return {
static_cast<u8>([rgb_color redComponent] * 255),
static_cast<u8>([rgb_color greenComponent] * 255),
static_cast<u8>([rgb_color blueComponent] * 255),
static_cast<u8>([rgb_color alphaComponent] * 255)
};
return {};
}
NSColor* gfx_color_to_ns_color(Gfx::Color color)
{
return [NSColor colorWithRed:(color.red() / 255.f)
green:(color.green() / 255.f)
blue:(color.blue() / 255.f)
alpha:(color.alpha() / 255.f)];
}
Gfx::IntPoint compute_origin_relative_to_window(NSWindow* window, Gfx::IntPoint position)
{
// The origin of the NSWindow is its bottom-left corner, relative to the bottom-left of the screen. We must convert
// window positions sent to/from WebContent between this origin and the window's and screen's top-left corners.
auto screen_frame = Ladybird::ns_rect_to_gfx_rect([[window screen] frame]);
auto window_frame = Ladybird::ns_rect_to_gfx_rect([window frame]);
position.set_y(screen_frame.height() - window_frame.height() - position.y());
return position;
}
}