#include "packbox.hh"
#include <xfc/gtk/button.hh>
#include <xfc/gtk/label.hh>
#include <xfc/gtk/separator.hh>
#include <cstdio>

// PackBox

PackBox::PackBox(bool homogeneous, int spacing, bool expand, bool fill, unsigned int padding)
: Gtk::HBox(homogeneous, spacing)
{
	// Make a new hbox filled with button-labels. Arguments for the variables we're interested
	// are passed in to this constructor. We do not show the box, but do show everything inside.

	// Create a series of buttons with the appropriate settings
	Gtk::Button *button = new Gtk::Button("hbox->pack_start");
	pack_start(*button, expand, fill, padding);
	button->show();

	button = new Gtk::Button("(*button,");
	pack_start(*button, expand, fill, padding);
	button->show();

	// Create a button with the label depending on the value of expand
	if (expand)
    	button = new Gtk::Button("true,");
	else
    	button = new Gtk::Button("false,");

	pack_start(*button, expand, fill, padding);
	button->show();

	// This is the same as the button creation for "expand" above, but uses the shorthand form.
	button = new Gtk::Button(fill ? "true," : "false,");
	pack_start(*button, expand, fill, padding);
	button->show();

	String s = String::format("%d);", padding);
	button = new Gtk::Button(s);
	pack_start(*button, expand, fill, padding);
	button->show();
}

PackBox::~PackBox()
{
}

// PackBoxWindow

PackBoxWindow::PackBoxWindow(int which)
{
	set_border_width(10);

	// We create a vertical box (vbox) to pack the horizontal boxes into. This allows us to stack
	// the horizontal boxes filled with buttons one on top of the other in this vbox.
	Gtk::VBox *vbox = new Gtk::VBox;

	// Which example to show.
	switch (which)
	{
 	case 1:
		example_1(vbox);
		break;

	case 2:
		example_2(vbox);
		break;

	case 3:
		example_3(vbox);
	}

	// Create another new hbox; remember we can use as many as we need!
	Gtk::HBox *quitbox = new Gtk::HBox;

	// Our quit button.
	Gtk::Button *button = new Gtk::Button("Quit");

	// Connect the signal to terminate the program when the button is clicked.
	button->signal_clicked().connect(sigc::mem_fun(this, &PackBoxWindow::dispose));

	// Pack the button into the quitbox. The last 3 arguments to Gtk::Box::pack_start are: expand, fill, padding.
	quitbox->pack_start(*button, true, false);

	// pack the quitbox into the vbox (box1)
	vbox->pack_start(*quitbox, false, false);

	// Pack the vbox (box1) which now contains all our widgets, into the main window.
	add(*vbox);

	// And show everything left
	button->show();
	quitbox->show();
	vbox->show();

	// Showing the window last so everything pops up at once.
	show();
}

PackBoxWindow::~PackBoxWindow()
{
}

void
PackBoxWindow::example_1(Gtk::VBox *vbox)
{
	// Create a new label.
	Gtk::Label *label = new Gtk::Label("Gtk::HBox *hbox = new Gtk::HBox(false, 0);");

	// Align the label to the left side.
	label->set_alignment(0, 0);

	// Pack the label into the vertical box (vbox). Remember that widgets added to a vbox
	// will be packed one on top of the other in order.
	vbox->pack_start(*label, false, false);

	// Show the label
	label->show();

	// Create a box - homogeneous = false, spacing = 0, expand = false, fill = false, padding = 0
	PackBox *box = new PackBox(false, 0, false, false, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Call our PackBox constructor - homogeneous = false, spacing = 0, expand = true, fill = false, padding = 0
	box = new PackBox(false, 0, true, false, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(false, 0, true, true, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Creates a separator, we'll learn more about these later, but they are quite simple.
	Gtk::HSeparator *separator = new Gtk::HSeparator;

	// Pack the separator into the vbox. Remember each of these widgets is being packed into a vbox,
	// so they'll be stacked vertically.
	vbox->pack_start(*separator, false, true, 5);
	separator->show();

	// Create another new label, and show it.
	label = new Gtk::Label("Gtk::HBox *hbox = new Gtk::HBox(true, 0);");
	label->set_alignment(0, 0);
	vbox->pack_start(*label, false, false);
	label->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(true, 0, true, false, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(true, 0, true, true, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Another new separator.
	separator = new Gtk::HSeparator;

	// The last 3 arguments to Gtk::Box::pack_start are: expand, fill, padding.
	vbox->pack_start(*separator, false, true, 5);
	separator->show();
}

void
PackBoxWindow::example_2(Gtk::VBox *vbox)
{
	// Create a new label.
	Gtk::Label *label = new Gtk::Label("Gtk::HBox *hbox = new Gtk::HBox(false, 10);");
	label->set_alignment(0, 0);
	vbox->pack_start(*label, false, false);
	label->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	PackBox *box = new PackBox(false, 10, true, false, 0);
	vbox->pack_start(*box, false, false);
	box->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(false, 10, true, true, 0);
	vbox->pack_start(* box, false, false);
	box->show();

	Gtk::HSeparator *separator = new Gtk::HSeparator;
	// The last 3 arguments to Gtk::Box::pack_start are: expand, fill, padding.
	vbox->pack_start(*separator,false, true, 5);
	separator->show();

	label = new Gtk::Label("Gtk::HBox *hbox = new Gtk::HBox(false, 0);");
	label->set_alignment(0, 0);
	vbox->pack_start(*label, false, false);
	label->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(false, 0, true, false, 10);
	vbox->pack_start(*box, false, false);
	box->show();

	// Args are: homogeneous, spacing, expand, fill, padding
	box = new PackBox(false, 0, true, true, 10);
	vbox->pack_start(*box, false, false);
	box->show();

	separator = new Gtk::HSeparator;
	// The last 3 arguments to Gtk::Box::pack_start are: expand, fill, padding.
	vbox->pack_start(*separator,false, true, 5);
	separator->show();
}

void
PackBoxWindow::example_3(Gtk::VBox *vbox)
{
	// This demonstrates the ability to use Gtk::Box::pack_end() to right justify widgets.
	// First, we create a label as before.
	Gtk::Label *label = new Gtk::Label("Gtk::HBox *hbox = new Gtk::HBox(false, 0);");
	label->set_alignment(0, 0);
	vbox->pack_start(*label, false, false);
	label->show();

	// Then we create a new box.
	PackBox *box = new PackBox(false, 0, false, false, 0);

	// Create the label that will be put at the end.
	label = new Gtk::Label("end");

	// Pack it using Gtk::Box::pack_end(), so it is put on the right
	// side of the hbox created in the make_box() call.
	box->pack_end(*label, false, false);

	// Show the label.
	label->show();

	// Pack box into vbox
	vbox->pack_start(*box, false, false);
	box->show();

	// A separator for the bottom.
	Gtk::HSeparator *separator = new Gtk::HSeparator;

	// This explicitly sets the separator to 400 pixels wide by 5 pixels high. This is so the hbox we created
	// will also be 400 pixels wide, and the "end" label will be separated from the other labels in the hbox.
	// Otherwise, all the widgets in the hbox would be packed as close together as possible.
	separator->set_size_request(400, 5);

	// pack the separator into the vbox (box1) created near the start of the constructor
	vbox->pack_start(*separator, false, true, 5);
	separator->show();
}

int main (int argc, char *argv[])
{
	using namespace Main;

	init(&argc, &argv);

	if (argc != 2)
	{
		fprintf (stderr, "usage: packbox num, where num is 1, 2, or 3.\n");
		// This just does cleanup in GTK and exits with an exit status of 1.
		exit (1);
	}

	int which = atoi(argv[1]);

	PackBoxWindow window(which);
	window.signal_destroy().connect(sigc::ptr_fun(&Xfc::Main::quit));

	run();
	return 0;
}