/*
 * $Id$
 *
 * Eiconman, desktop and icon manager
 * Part of Equinox Desktop Environment (EDE).
 * Copyright (c) 2000-2007 EDE Authors.
 *
 * This program is licensed under terms of the 
 * GNU General Public License version 2 or newer.
 * See COPYING for details.
 */

#include "DesktopConfig.h"
#include "Utils.h"
#include <edelib/Nls.h>
#include <edelib/Debug.h>
#include <fltk/Item.h>
#include <fltk/ColorChooser.h>
#include <fltk/file_chooser.h>
#include <fltk/SharedImage.h>
#include <fltk/run.h>
#include <fltk/draw.h>
#include <fltk/x11.h>

#include <string.h> // strdup
#include <stdlib.h> // free

#define MAX_DESKTOPS 32

void close_cb(fltk::Widget*, void* w) {
	DesktopConfig* dc = (DesktopConfig*)w;

	EDEBUG("ws: %i\n", net_get_workspace_count());
	EDEBUG("cd: %i\n", net_get_current_desktop());
	dc->hide();
}

void wp_use_cb(fltk::Widget*, void* w) {
	DesktopConfig* dc = (DesktopConfig*)w;
	dc->disable_wp();
}

void color_box_cb(fltk::Widget*, void* w) {
	DesktopConfig* dc = (DesktopConfig*)w;

	fltk::Color col = dc->bkg_color();
	if(fltk::color_chooser(_("Background color"), col))
		dc->set_color(col);
}

void img_browse_cb(fltk::Widget*, void* w) {
	DesktopConfig* dc = (DesktopConfig*)w;
	
	const char* f = fltk::file_chooser(_("Choose image"), "Image files (*.{jpg,png,xpm})", 0);
	if(f)
		dc->set_preview_image(f);
};

PreviewBox::PreviewBox(int x, int y, int w, int h, const char* l) : fltk::InvisibleBox(x,y,w,h)
{
}

PreviewBox::~PreviewBox()
{
}

void PreviewBox::draw(void) {
	draw_box();

	if(image()) {
		fltk::Rectangle ir(0,0,w(),h());
		box()->inset(ir);
		fltk::Image* im = (fltk::Image*)image();
		im->draw(ir);
	}
	
	/*
	if(image()) {
		fltk::Image* im = (fltk::Image*)image();
		fltk::drawimage(im->buffer(), im->buffer_pixeltype(), fltk::Rectangle(im->width(), im->height()));
	}*/
}

DesktopConfig::DesktopConfig() : fltk::Window(540, 265, _("Background settings")) {

	begin();
		// monitor
		fltk::InvisibleBox* m1 = new fltk::InvisibleBox(75, 175, 100, 15);
		m1->box(fltk::BORDER_BOX);
		fltk::InvisibleBox* m2 = new fltk::InvisibleBox(20, 20, 210, 160);
		m2->box(fltk::THIN_UP_BOX);

		preview = new PreviewBox(30, 30, 190, 140);
		preview->box(fltk::DOWN_BOX);
		preview->color(56);

		fltk::InvisibleBox* m4 = new fltk::InvisibleBox(50, 185, 145, 15);
		m4->box(fltk::THIN_UP_BOX);

		// fetch workspace names
		fltk::Choice* ws_names = new fltk::Choice(310, 20, 220, 25, _("Desktop:"));
		ws_names->begin();

		new fltk::Item(_("All desktops"));

		//char* names[MAX_DESKTOPS];
		char** names;
		int nsz = net_get_workspace_names(names);
		EDEBUG("nsz: %i\n", nsz);

		if(nsz > 0) {
			for(int i = 0; i < nsz; i++) {
				fltk::Item* item = new fltk::Item();
				item->copy_label(names[i]);
				//free(names[i]);
			}

			XFreeStringList(names);
		} 
		ws_names->end();

		// rest
		use_wp = new fltk::CheckButton(310, 60, 20, 20, _("Use wallpaper"));
		use_wp->align(fltk::ALIGN_RIGHT);
		use_wp->callback(wp_use_cb, this);
		use_wp->value(1);

		img_path = new fltk::Input(310, 95, 190, 25, _("Image:"));
		img_browse = new fltk::Button(505, 95, 25, 25, "...");
		img_browse->callback(img_browse_cb, this);

		img_choice = new fltk::Choice(310, 130, 220, 25, _("Mode:"));
		img_choice->begin();
			new fltk::Item(_("Normal"));
			new fltk::Item(_("Center"));
			new fltk::Item(_("Stretch"));
			new fltk::Item(_("Aspect stretch"));
			new fltk::Item(_("Tile"));
		img_choice->end();
   
		color_box = new fltk::Button(310, 175, 25, 25, _("Background color"));
		color_box->color((fltk::Color)0x3ca700);
		color_box->align(fltk::ALIGN_RIGHT);
		color_box->callback(color_box_cb, this);

		new fltk::Button(250, 230, 90, 25, _("&OK"));
		new fltk::Button(345, 230, 90, 25, _("&Apply"));
		fltk::Button* close = new fltk::Button(440, 230, 90, 25, _("&Cancel"));
		close->callback(close_cb, this);
	end();
}

DesktopConfig::~DesktopConfig()
{
}

void DesktopConfig::run(void) {
	if(!shown())
		show();

	while(visible())
		fltk::wait();
}

void DesktopConfig::disable_wp(void) {
	if(!use_wp->value()) {
		img_path->deactivate();
		img_browse->deactivate();
		img_choice->deactivate();
	} else {
		img_path->activate();
		img_browse->activate();
		img_choice->activate();
	}
}

void DesktopConfig::set_preview_color(unsigned int c) {
	preview->color(c);
	preview->redraw();
}

void DesktopConfig::set_color(unsigned int c) {
	color_box->color(c);
	color_box->redraw();

	set_preview_color(c);
}

void DesktopConfig::set_preview_image(const char* path) {
	EASSERT(path != NULL);

	wp_path = path;

	preview->image(fltk::SharedImage::get(wp_path.c_str()));
	preview->redraw();
	img_path->value(wp_path.c_str());
}