// Copyright (c) 2009 - 2026 kio@little-bat.de
// BSD-2-Clause license
// https://opensource.org/licenses/BSD-2-Clause

#include "WindowMenu.h"
#include "Application.h"
#include <QMainWindow>


namespace zxsp
{

static uint			windows	   = 0;
static uint			maxwindows = 0;
static WindowMenu** windowlist = 0;


static uint find_window(WindowMenu* w)
{
	for (uint i = 0; i < windows; i++)
	{
		if (w == windowlist[i]) return i;
	}
	IERR(); // not in list
}

static void add_window(WindowMenu* w)
{
	if (windows == maxwindows)
	{
		maxwindows			 = windows + 10;
		WindowMenu** newlist = new WindowMenu*[maxwindows];
		if (windows > 0) memcpy(newlist, windowlist, windows * sizeof(WindowMenu*));
		delete[] windowlist;
		windowlist = newlist;
	}
	windowlist[windows++] = w;
}

static void rm_window(uint i)
{
	assert(i < windows);
	for (windows--; i < windows; i++) { windowlist[i] = windowlist[i + 1]; }
}


// --------------------------------------------


WindowMenu::WindowMenu(QMainWindow* w) : QMenu(tr("Window"), w)
{
	xlogIn("new WindowMenu");
	window = w;
	action = new QAction(w->windowTitle(), this);
	action->setCheckable(1);
	//	bool f = connect( action, SIGNAL(triggered()), w, SLOT(activateWindow()) ); assert(f);
	connect(action, &QAction::triggered, w, &QMainWindow::activateWindow);
	separator = addSeparator();

	for (uint i = 0; i < windows; i++) { addWindow(windowlist[i]->action); }
	add_window(this);
	for (uint i = 0; i < windows; i++) { windowlist[i]->addWindow(action); }
}


WindowMenu::~WindowMenu()
{
	xlogIn("~WindowMenu");
	for (uint i = 0; i < windows; i++) windowlist[i]->rmWindow(action);
	rm_window(find_window(this));
}


void WindowMenu::addWindow(QAction* w) { insertAction(separator, w); }

void WindowMenu::rmWindow(QAction* w) { removeAction(w); }


void WindowMenu::checkWindows()
{
	xlogIn("WindowMenu:checkWindows()");
	action->setChecked(window->isActiveWindow());
}


void WindowMenu::setTitle() { action->setText(window->windowTitle()); }

} // namespace zxsp