ui/winui/toolkit.cpp

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2023 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "toolkit.h"

#include <Windows.h>
#undef GetCurrentTime
#include <winrt/Windows.Foundation.Collections.h>
#include <winrt/Windows.UI.Xaml.Interop.h>
#include <winrt/Microsoft.UI.Xaml.Controls.h>
#include <winrt/Microsoft.UI.Xaml.Controls.Primitives.h>
#include <winrt/Microsoft.UI.Xaml.XamlTypeInfo.h>
#include <winrt/Microsoft.UI.Xaml.Markup.h>

#include <cx/allocator.h>
#include <cx/mempool.h>

#include "../common/context.h"


using namespace winrt;
using namespace Microsoft::UI::Xaml;
using namespace Microsoft::UI::Xaml::Controls;
using namespace Microsoft::UI::Xaml::XamlTypeInfo;
using namespace Microsoft::UI::Xaml::Markup;
using namespace Windows::UI::Xaml::Interop;
using namespace winrt::Windows::Foundation;

static const char* application_name;

static ui_callback   startup_func;
static void* startup_data;

static ui_callback   open_func;
void* open_data;

static ui_callback   exit_func;
void* exit_data;

static ui_callback   appclose_fnc;

static void* appclose_udata;


static UiObject* active_window;


class App : public ApplicationT<App, IXamlMetadataProvider> {
public:
	void OnLaunched(LaunchActivatedEventArgs const&) {
		Resources().MergedDictionaries().Append(XamlControlsResources());
		if (startup_func) {
			startup_func(NULL, startup_data);
		}
	}
	IXamlType GetXamlType(TypeName const& type) {
		return provider.GetXamlType(type);
	}
	IXamlType GetXamlType(hstring const& fullname) {
		return provider.GetXamlType(fullname);
	}
	com_array<XmlnsDefinition> GetXmlnsDefinitions() {
		return provider.GetXmlnsDefinitions();
	}
private:
	XamlControlsXamlMetaDataProvider provider;
};

UiWidget::UiWidget(winrt::Microsoft::UI::Xaml::UIElement& elm) : uielement(elm) {}

extern "C" void destroy_ui_window_wrapper(void* ptr) {
	UiWindow* win = (UiWindow*)ptr;
	delete win;
}

extern "C" void destroy_ui_widget_wrapper(void* ptr) {
	UiWidget* widget = (UiWidget*)ptr;
	delete widget;
}

void ui_context_add_window_destructor(UiContext* ctx, UiWindow* win) {
	// TODO:
}

void ui_context_add_widget_destructor(UiContext* ctx, UiWidget* widget) {
	// TODO:
}


UiEvent ui_create_int_event(UiObject* obj, int64_t i) {
	UiEvent evt;
	evt.obj = obj;
	evt.window = obj->window;
	evt.document = obj->ctx->document;
	evt.eventdata = nullptr;
	evt.intval = i;
	return evt;
}


void ui_init(const char* appname, int argc, char** argv) {
	application_name = appname;
}

const char* ui_appname() {
	return application_name;
}

void ui_onstartup(ui_callback f, void* userdata) {
	startup_func = f;
	startup_data = userdata;
}

void ui_onopen(ui_callback f, void* userdata) {
	open_func = f;
	open_data = userdata;
}

void ui_onexit(ui_callback f, void* userdata) {
	exit_func = f;
	exit_data = userdata;
}

void ui_main() {
	init_apartment();
	Application::Start([](auto&&) {make<App>(); });
}

class UiWin {
public:
	Window window;
};

void ui_show(UiObject* obj) {
	if (obj->wobj) {
		obj->wobj->window.Activate();
	} else {
		// TODO
	}
}

void ui_close(UiObject* obj) {

}