#include <fltk/Button.h>
#include <fltk/Divider.h>
#include <fltk/Item.h>
#include <fltk/ItemGroup.h>
#include <fltk/MenuBar.h>
#include <fltk/TabGroup.h>
#include <fltk/Widget.h>
#include <fltk/Window.h>
#include <fltk/events.h>
#include <fltk/run.h>

#include <stdlib.h>


using namespace fltk;


static bool menuBarState = true;
static bool fullscrState = false;
static int windowX	= 0;
static int windowY	= 0;
static int windowW	= 800;
static int windowH	= 500;

void buildMenuBar(void *window);
void cbMenuBarToggle(Widget *, void *menu);
void cbFullscr(Widget *, void *windowMain);
void cbQuit(Widget *, void *);


int main(int argc, char **argv)
{
	Window *windowMain	= new Window(windowW, windowH);

	windowMain->begin();
		buildMenuBar(windowMain);

		TabGroup *tabs	= new TabGroup(0, 26, windowMain->w(), (windowMain->h() - 26));

		tabs->begin();
			tabs->textsize(18);

			Group *tab1	= new Group(0, 29, tabs->w(), ((tabs->h()) - 30), "Tab 1               ");

			tab1->begin();
				tab1->textsize(18);
			tab1->end();

			Group *tab2	= new Group(0, 29, tabs->w(), ((tabs->h()) - 30), "Tab 2               ");

			tab2->begin();
				tab2->textsize(18);
			tab2->end();
		tabs->end();
	windowMain->resizable(tabs);
	windowMain->size_range(700, 400, 0, 0);
	windowMain->callback(cbQuit);
	windowMain->end();
	windowMain->show(argc, argv);

	return run();
}

void buildMenuBar(void *window)
{
	Window *windowMain = (Window *) window;

	MenuBar *menuBar	= new MenuBar(0, 0, windowMain->w(), 26);

	menuBar->begin();
		menuBar->box(UP_BOX);

		ItemGroup *file	= new ItemGroup("&File");

		file->begin();
			file->textsize(18);
			file->add("New &Window     ", CTRL|'n', 0, 0, 0)->textsize(18);
			file->add("New &Tab        ", CTRL|'t', 0, 0, 0)->textsize(18);
			file->add("&Open           ", CTRL|'o', 0, 0, 0)->textsize(18);
			file->add("Close &Window   ", CTRL|SHIFT|'w', 0, 0, 0)->textsize(18);
			file->add("Close &Tab      ", CTRL|'t', 0, 0, 0)->textsize(18);

			new Divider();

			file->add("&Save           ", CTRL|'s', 0, 0, 0)->textsize(18);
			file->add("Save &As...     ", CTRL|SHIFT|'s', 0, 0, 0)->textsize(18);

			new Divider();

			file->add("Print Pre&view  ", CTRL|SHIFT|'p', 0, 0, 0)->textsize(18);
			file->add("&Print          ", CTRL|'p', 0, 0, 0)->textsize(18);

			new Divider();

			file->add("&Quit           ", CTRL|'q', cbQuit, 0, 0)->textsize(18);

		file->end();

		ItemGroup *edit	= new ItemGroup("&Edit");

		edit->begin();
			edit->textsize(18);
			edit->add("&Undo           ", CTRL|'z', 0, 0, 0)->textsize(18);
			edit->add("&Redo           ", CTRL|'y', 0, 0, 0)->textsize(18);

			new Divider();

			edit->add("Cu&t            ", CTRL|'x', 0, 0, 0)->textsize(18);
			edit->add("&Copy           ", CTRL|'c', 0, 0, 0)->textsize(18);
			edit->add("&Paste          ", CTRL|'v', 0, 0, 0)->textsize(18);
			edit->add("&Delete         ", DeleteKey, 0, 0, 0)->textsize(18);

			new Divider();

			edit->add("&Find           ", CTRL|'f', 0, 0, 0)->textsize(18);
			edit->add("Find A&gain     ", CTRL|'g', 0, 0, 0)->textsize(18);

			new Divider();

			edit->add("Prefere&nces    ", 0, 0, 0, 0)->textsize(18);
		edit->end();

		ItemGroup *view	= new ItemGroup("&View");

		view->begin();
			view->textsize(18);

			ItemGroup *toolbars	= new ItemGroup("&Toolbars            ");

			toolbars->begin();
			toolbars->textsize(18);

			Item *menu	= new Item("&Menu Bar       ");

				menu->type(Item::TOGGLE);
				menu->shortcut(F10Key);
				menu->callback(cbMenuBarToggle, menuBar);
				menu->textsize(18);

			Item *tools	= new Item("&Tools Bar      ");

				tools->type(Item::TOGGLE);
				tools->textsize(18);

			Item *status	= new Item("&Status Bar     ");

				status->type(Item::TOGGLE);
				status->textsize(18);

			toolbars->end();

			new Divider();

			ItemGroup *zoom	= new ItemGroup("&Zoom                ");

			zoom->begin();
				zoom->textsize(18);
				zoom->add("Zoom &In        ", CTRL|'+', 0, 0, 0)->textsize(18);
				zoom->add("Zoom &Out       ", CTRL|'-', 0, 0, 0)->textsize(18);
				zoom->add("&Reset          ", CTRL|'0', 0, 0, 0)->textsize(18);

				new Divider();

				Item *zoomText	= new Item("Zoom &Text Only ");

				zoomText->type(Item::TOGGLE);
				zoomText->textsize(18);
			zoom->end();

			Item *fullscreen	= new Item("&Fullscreen     ");

			fullscreen->type(Item::TOGGLE);
			fullscreen->shortcut(F11Key);
			fullscreen->callback(cbFullscr, windowMain);
			fullscreen->textsize(18);
		view->end();

		ItemGroup *help	= new ItemGroup("&Help");

		help->begin();
			help->textsize(18);
			help->add("&Help Contents  ", F1Key, 0, 0, 0)->textsize(18);

			new Divider();

			help->add("&Updates Check  ", 0, 0, 0)->textsize(18);

			new Divider();

			help->add("&About          ", 0, 0, 0)->textsize(18);
		help->end();
	menuBar->end();
}

void cbMenuBarToggle(Widget *, void *menu)
{
	MenuBar *menuBar = (MenuBar *) menu;

	if(menuBar) {
		menuBar->hide();

		menuBarState = false;
	} else {
		menuBar->show();

		menuBarState = true;
	}
}

void cbFullscr(Widget *, void *window)
{
	Window *windowMain = (Window *) window;


	if(fullscrState) {
		windowMain->fullscreen_off(windowX, windowY, windowW, windowH);
		windowMain->hide();
		windowMain->border(true);
		windowMain->show();

		fullscrState = false;
	} else {
		windowX	= windowMain->x();
		windowY	= windowMain->y();
		windowW	= windowMain->w();
		windowH	= windowMain->h();

		windowMain->fullscreen();

		fullscrState = true;
	}
}

void cbQuit(Widget *, void *)
{
	if(event_key_state(EscapeKey)) {
		return;
	}

	exit(0);
}