genode/demo/src/app/scout/common/main.cc

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2011-12-22 16:19:25 +01:00
/*
* \brief Scout tutorial browser main program
* \date 2005-10-24
* \author Norman Feske <norman.feske@genode-labs.com>
*/
/*
2013-01-10 21:44:47 +01:00
* Copyright (C) 2005-2013 Genode Labs GmbH
2011-12-22 16:19:25 +01:00
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/**
* Local includes
*/
#include "config.h"
#include "elements.h"
#include "platform.h"
#include "canvas_rgb565.h"
#include "fade_icon.h"
#include "tick.h"
#include "redraw_manager.h"
#include "user_state.h"
#include "browser_window.h"
extern Document *create_document();
/**
* Runtime configuration
*/
namespace Config
{
int iconbar_detail = 1;
int background_detail = 1;
int mouse_cursor = 1;
int browser_attr = 0;
}
#define POINTER_RGBA _binary_pointer_rgba_start
#define NAV_NEXT_RGBA _binary_nav_next_rgba_start
#define NAV_PREV_RGBA _binary_nav_prev_rgba_start
extern unsigned char POINTER_RGBA[];
extern unsigned char NAV_NEXT_RGBA[];
extern unsigned char NAV_PREV_RGBA[];
static unsigned char *navicons_rgba[] = { NAV_NEXT_RGBA, NAV_PREV_RGBA };
static Generic_icon **navicons[] = { &Navbar::next_icon, &Navbar::prev_icon };
extern int native_startup(int, char **);
/**
* Main program
*/
int main(int argc, char **argv)
{
if (native_startup(argc, argv)) return -1;
/* init platform */
static Platform pf(256, 80, 530, 620);
/* initialize icons for navigation bar */
for (unsigned int i = 0; i < sizeof(navicons)/sizeof(void *); i++) {
Fade_icon<Pixel_rgb565, 64, 64> *icon = new Fade_icon<Pixel_rgb565, 64, 64>;
icon->rgba(navicons_rgba[i]);
icon->alpha(100);
*navicons[i] = icon;
}
static Document *doc = create_document();
/* init canvas */
static Chunky_canvas<Pixel_rgb565> canvas;
canvas.init(static_cast<Pixel_rgb565 *>(pf.buf_adr()),
pf.scr_w()*pf.scr_h());
canvas.set_size(pf.scr_w(), pf.scr_h());
canvas.clip(0, 0, pf.scr_w(), pf.scr_h());
/* init redraw manager */
static Redraw_manager redraw(&canvas, &pf, pf.vw(), pf.vh(), true);
/* create instance of browser window */
static Browser_window<Pixel_rgb565> browser
(
doc, /* initial document */
&pf, /* platform */
&redraw, /* redraw manager object */
pf.scr_w(), pf.scr_h(), /* max size of window */
Config::browser_attr
);
/* initialize mouse cursor */
int mx = 0, my = 0;
static Icon<Pixel_rgb565, 32, 32> mcursor;
if (Config::mouse_cursor) {
mcursor.geometry(mx, my, 32, 32);
mcursor.rgba(POINTER_RGBA);
mcursor.alpha(255);
mcursor.findable(0);
browser.append(&mcursor);
}
/* create user state manager */
static User_state user_state(&browser, &browser, pf.vx(), pf.vy());
/* assign browser as root element to redraw manager */
redraw.root(&browser);
browser.ypos(0);
/* enter main loop */
Event ev;
unsigned long curr_time, old_time;
curr_time = old_time = pf.timer_ticks();
do {
pf.get_event(&ev);
if (ev.type != Event::WHEEL) {
ev.mx -= user_state.vx();
ev.my -= user_state.vy();
/* update mouse cursor */
if (Config::mouse_cursor && (ev.mx != mx || ev.my != my)) {
int x1 = min(ev.mx, mx);
int y1 = min(ev.my, my);
int x2 = max(ev.mx + mcursor.w() - 1, mx + mcursor.w() - 1);
int y2 = max(ev.my + mcursor.h() - 1, my + mcursor.h() - 1);
mcursor.geometry(ev.mx, ev.my, mcursor.w(), mcursor.h());
redraw.request(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
mx = ev.mx; my = ev.my;
}
}
user_state.handle_event(ev);
if (ev.type == Event::REFRESH)
pf.scr_update(0, 0, pf.scr_w(), pf.scr_h());
if (ev.type == Event::TIMER)
Tick::handle(pf.timer_ticks());
/* perform periodic redraw */
curr_time = pf.timer_ticks();
if (!pf.event_pending() && ((curr_time - old_time > 20) || (curr_time < old_time))) {
old_time = curr_time;
redraw.process();
}
} while (ev.type != Event::QUIT);
return 0;
}