Initial gitification of petitboot

Start a git repo for petitboot, sources from Ben Herrenschmidt
and Jeremy Kerr.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 909 insertions, 0 deletions

diff --git a/petitboot.c b/petitboot.c
new file mode 100644
index 0000000..e69353e
--- /dev/null
+++ b/petitboot.c
@@ -0,0 +1,909 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <syscall.h>
+#include <assert.h>
+
+#include <linux/input.h>
+
+#include <libtwin/twin.h>
+#include <libtwin/twin_fbdev.h>
+#include <libtwin/twin_x11.h>
+#include <libtwin/twin_linux_mouse.h>
+#include <libtwin/twin_png.h>
+
+#include "petitboot.h"
+
+#define _USE_X11
+
+static twin_fbdev_t *pboot_fbdev;
+static twin_x11_t *pboot_x11;
+static twin_screen_t *pboot_screen;
+
+#define PBOOT_LEFT_PANE_SIZE		200
+#define PBOOT_LEFT_PANE_COLOR		0x80000000
+#define PBOOT_LEFT_LINE_COLOR		0xff000000
+
+#define PBOOT_LEFT_FOCUS_WIDTH		80
+#define PBOOT_LEFT_FOCUS_HEIGHT		80
+#define PBOOT_LEFT_FOCUS_XOFF		60
+#define PBOOT_LEFT_FOCUS_YOFF		60
+#define PBOOT_LEFT_FOCUS_XRAD		(6 * TWIN_FIXED_ONE)
+#define PBOOT_LEFT_FOCUS_YRAD		(6 * TWIN_FIXED_ONE)
+
+#define PBOOT_RIGHT_FOCUS_XOFF		20
+#define PBOOT_RIGHT_FOCUS_YOFF		60
+#define PBOOT_RIGHT_FOCUS_HEIGHT	80
+#define PBOOT_RIGHT_FOCUS_XRAD		(6 * TWIN_FIXED_ONE)
+#define PBOOT_RIGHT_FOCUS_YRAD		(6 * TWIN_FIXED_ONE)
+
+#define PBOOT_LEFT_ICON_WIDTH		64
+#define PBOOT_LEFT_ICON_HEIGHT		64
+#define PBOOT_LEFT_ICON_XOFF		70
+#define PBOOT_LEFT_ICON_YOFF		70
+#define PBOOT_LEFT_ICON_STRIDE		100
+
+#define PBOOT_RIGHT_OPTION_LMARGIN	30
+#define PBOOT_RIGHT_OPTION_RMARGIN	30
+#define PBOOT_RIGHT_OPTION_TMARGIN	70
+#define PBOOT_RIGHT_OPTION_HEIGHT	64
+#define PBOOT_RIGHT_OPTION_STRIDE	100
+#define PBOOT_RIGHT_TITLE_TEXT_SIZE	(30 * TWIN_FIXED_ONE)
+#define PBOOT_RIGHT_SUBTITLE_TEXT_SIZE	(18 * TWIN_FIXED_ONE)
+#define PBOOT_RIGHT_TITLE_XOFFSET	80
+#define PBOOT_RIGHT_TITLE_YOFFSET	30
+#define PBOOT_RIGHT_SUBTITLE_XOFFSET	200
+#define PBOOT_RIGHT_SUBTITLE_YOFFSET	50
+#define PBOOT_RIGHT_BADGE_XOFFSET	2
+#define PBOOT_RIGHT_BADGE_YOFFSET	0
+
+
+#define PBOOT_RIGHT_TITLE_COLOR		0xff000000
+#define PBOOT_RIGHT_SUBTITLE_COLOR	0xff400000
+
+#define PBOOT_FOCUS_COLOR		0x10404040
+
+
+typedef struct _pboot_option pboot_option_t;
+typedef struct _pboot_device pboot_device_t;
+
+struct _pboot_option
+{
+	char		*title;
+	char		*subtitle;
+	twin_pixmap_t	*badge;
+	twin_pixmap_t	*cache;
+	twin_rect_t	box;
+};
+
+struct _pboot_device
+{
+	char			*id;
+	twin_pixmap_t		*badge;
+	twin_rect_t		box;
+	int			option_count;
+	pboot_option_t		options[PBOOT_MAX_OPTION];
+};
+
+static twin_pixmap_t	*pboot_cursor;
+static int		pboot_cursor_hx;
+static int		pboot_cursor_hy;
+
+static pboot_device_t	*pboot_devices[PBOOT_MAX_DEV];
+static int		pboot_dev_count;
+static int		pboot_dev_sel = -1;
+static int		pboot_focus_lpane = 1;
+
+typedef struct _pboot_lpane {
+	twin_window_t	*window;
+	twin_rect_t	focus_box;
+	int		focus_start;
+	int		focus_target;
+	int		focus_curindex;
+	int		mouse_target;
+} pboot_lpane_t;
+
+typedef struct _pboot_rpane {
+	twin_window_t	*window;
+	twin_rect_t	focus_box;
+	int		focus_start;
+	int		focus_target;
+	int		focus_curindex;
+	int		mouse_target;
+} pboot_rpane_t;
+
+static pboot_lpane_t	*pboot_lpane;
+static pboot_rpane_t	*pboot_rpane;
+
+/* XXX move to twin */
+static inline twin_bool_t twin_rect_intersect(twin_rect_t r1,
+					      twin_rect_t r2)
+{
+	return !(r1.left > r2.right ||
+		 r1.right < r2.left ||
+		 r1.top > r2.bottom ||
+		 r1.bottom < r2.top);
+}
+
+static void pboot_draw_option_cache(pboot_device_t *dev, pboot_option_t *opt,
+				    int index)
+{
+	twin_pixmap_t	*px;
+	twin_path_t	*path;
+	twin_fixed_t	tx, ty;
+
+	/* Create pixmap */
+	px = twin_pixmap_create(TWIN_ARGB32, opt->box.right - opt->box.left,
+				 opt->box.bottom - opt->box.top);
+	assert(px);
+	opt->cache = px;
+
+	/* Fill background */
+	twin_fill(px, 0x00000000, TWIN_SOURCE, 0, 0, px->width, px->height);
+
+	/* Allocate a path for drawing */
+	path = twin_path_create();
+	assert(path);
+
+#if 0
+	/* TEST - Bounding rectangle */
+	twin_path_rectangle(path, 0, 0,
+			    twin_int_to_fixed(px->width),
+			    twin_int_to_fixed(px->height));
+	twin_paint_path(px, PBOOT_RIGHT_TITLE_COLOR, path);
+	twin_path_empty(path);
+	twin_fill(px, 0x00000000, TWIN_SOURCE, 2, 2,
+		  px->width - 3, px->height - 3);
+#endif
+
+	/* Draw texts */
+	twin_path_set_font_size(path, PBOOT_RIGHT_TITLE_TEXT_SIZE);
+	twin_path_set_font_style(path, TWIN_TEXT_UNHINTED);
+	tx = twin_int_to_fixed(PBOOT_RIGHT_TITLE_XOFFSET);
+	ty = twin_int_to_fixed(PBOOT_RIGHT_TITLE_YOFFSET);
+	twin_path_move (path, tx, ty);
+	twin_path_utf8 (path, opt->title);
+	twin_paint_path (px, PBOOT_RIGHT_TITLE_COLOR, path);
+	twin_path_empty (path);
+
+	if (opt->subtitle) {
+		twin_path_set_font_size(path, PBOOT_RIGHT_SUBTITLE_TEXT_SIZE);
+		twin_path_set_font_style(path, TWIN_TEXT_UNHINTED);
+		tx = twin_int_to_fixed(PBOOT_RIGHT_SUBTITLE_XOFFSET);
+		ty = twin_int_to_fixed(PBOOT_RIGHT_SUBTITLE_YOFFSET);
+		twin_path_move (path, tx, ty);
+		twin_path_utf8 (path, opt->subtitle);
+		twin_paint_path (px, PBOOT_RIGHT_SUBTITLE_COLOR, path);
+		twin_path_empty (path);
+	}
+
+	if (opt->badge) {
+		twin_operand_t	src;
+
+		src.source_kind = TWIN_PIXMAP;
+		src.u.pixmap = opt->badge;
+
+		twin_composite(px, PBOOT_RIGHT_BADGE_XOFFSET,
+			       PBOOT_RIGHT_BADGE_YOFFSET,
+			       &src, 0, 0, NULL, 0, 0, TWIN_OVER,
+			       opt->badge->width, opt->badge->height);
+	}
+
+
+	/* Destroy path */
+	twin_path_destroy(path);
+}
+
+static void pboot_rpane_draw(twin_window_t *window)
+{
+	twin_pixmap_t	*px = window->pixmap;
+	pboot_rpane_t	*rpane = window->client_data;
+	pboot_device_t	*dev;
+	twin_path_t	*path;
+	twin_fixed_t	x, y, w, h;
+	int		i;
+
+	/* Fill background */
+	twin_fill(px, 0x00000000, TWIN_SOURCE, 0, 0, px->width, px->height);
+
+	/* Nothing to draw, return */
+	if (pboot_dev_sel < 0)
+		return;
+
+	/* Create a path for use later */
+	path = twin_path_create();
+	assert(path);
+
+	/* Draw focus box */
+	if (rpane->focus_curindex >= 0 &&
+	    twin_rect_intersect(rpane->focus_box, px->clip)) {
+		x = twin_int_to_fixed(rpane->focus_box.left + 2);
+		y = twin_int_to_fixed(rpane->focus_box.top + 2);
+		w = twin_int_to_fixed(rpane->focus_box.right -
+				      rpane->focus_box.left - 4);
+		h = twin_int_to_fixed(rpane->focus_box.bottom -
+				      rpane->focus_box.top - 4);
+		twin_path_rounded_rectangle(path, x, y, w, h,
+					    PBOOT_RIGHT_FOCUS_XRAD,
+					    PBOOT_RIGHT_FOCUS_YRAD);
+		if (!pboot_focus_lpane)
+			twin_paint_path(px, PBOOT_FOCUS_COLOR, path);
+		else
+			twin_paint_stroke(px, PBOOT_FOCUS_COLOR, path,
+					  4 * TWIN_FIXED_ONE);
+	}
+
+	/* Get device and iterate through options */
+	dev = pboot_devices[pboot_dev_sel];
+	for (i = 0; i < dev->option_count; i++) {
+		pboot_option_t	*opt = &dev->options[i];
+		twin_operand_t	src;
+
+		if (opt->title == NULL)
+			continue;
+		if (!twin_rect_intersect(opt->box, px->clip))
+			continue;
+		if (opt->cache == NULL)
+			pboot_draw_option_cache(dev, opt, i);
+
+		src.source_kind = TWIN_PIXMAP;
+		src.u.pixmap = opt->cache;
+
+		twin_composite(px, opt->box.left, opt->box.top,
+			       &src, 0, 0, NULL, 0, 0, TWIN_OVER,
+			       opt->box.right - opt->box.left,
+			       opt->box.bottom - opt->box.top);
+	}
+
+	/* Destroy path */
+	twin_path_destroy(path);
+}
+
+static twin_time_t pboot_rfocus_timeout (twin_time_t now, void *closure)
+{
+	int dir = 1, dist, pos;
+	const int accel[11] = { 7, 4, 2, 1, 1, 1, 1, 2, 3, 4, 5 };
+
+	dist = abs(pboot_rpane->focus_target - pboot_rpane->focus_start);
+	dir = dist > 5 ? 5 : dist;
+	pos = pboot_rpane->focus_target - (int)pboot_rpane->focus_box.top;
+	if (pos == 0) {
+		return -1;
+	}
+	if (pos < 0) {
+		dir = -dir;
+		pos = -pos;
+	}
+	twin_window_damage(pboot_rpane->window,
+			   pboot_rpane->focus_box.left,
+			   pboot_rpane->focus_box.top,
+			   pboot_rpane->focus_box.right,
+			   pboot_rpane->focus_box.bottom);
+
+	pboot_rpane->focus_box.top += dir;
+	pboot_rpane->focus_box.bottom += dir;
+
+	twin_window_damage(pboot_rpane->window,
+			   pboot_rpane->focus_box.left,
+			   pboot_rpane->focus_box.top,
+			   pboot_rpane->focus_box.right,
+			   pboot_rpane->focus_box.bottom);
+
+	twin_window_queue_paint(pboot_rpane->window);
+
+	return accel[(pos * 10) / dist];
+}
+
+static void pboot_set_rfocus(int index)
+{
+	pboot_device_t	*dev;
+
+	if (pboot_dev_sel < 0 || pboot_dev_sel >= pboot_dev_count)
+		return;
+	dev = pboot_devices[pboot_dev_sel];
+	if (index < 0 || index >= dev->option_count)
+		return;
+
+	pboot_rpane->focus_start = pboot_rpane->focus_box.top;
+	pboot_rpane->focus_target = PBOOT_RIGHT_FOCUS_YOFF +
+		PBOOT_RIGHT_OPTION_STRIDE * index;
+	pboot_rpane->focus_curindex = index;
+
+	twin_set_timeout(pboot_rfocus_timeout, 0, NULL);
+}
+
+static void pboot_select_rpane(void)
+{
+	if (pboot_focus_lpane == 0)
+		return;
+	pboot_focus_lpane = 0;
+
+	twin_screen_set_active(pboot_screen, pboot_rpane->window->pixmap);
+
+	twin_window_damage(pboot_lpane->window,
+			   pboot_lpane->focus_box.left,
+			   pboot_lpane->focus_box.top,
+			   pboot_lpane->focus_box.right,
+			   pboot_lpane->focus_box.bottom);
+
+	twin_window_damage(pboot_rpane->window,
+			   pboot_rpane->focus_box.left,
+			   pboot_rpane->focus_box.top,
+			   pboot_rpane->focus_box.right,
+			   pboot_rpane->focus_box.bottom);
+
+	twin_window_queue_paint(pboot_lpane->window);
+	twin_window_queue_paint(pboot_rpane->window);
+
+	pboot_set_rfocus(0);
+}
+
+static void pboot_select_lpane(void)
+{
+	if (pboot_focus_lpane == 1)
+		return;
+	pboot_focus_lpane = 1;
+
+	twin_screen_set_active(pboot_screen, pboot_lpane->window->pixmap);
+
+	twin_window_damage(pboot_lpane->window,
+			   pboot_lpane->focus_box.left,
+			   pboot_lpane->focus_box.top,
+			   pboot_lpane->focus_box.right,
+			   pboot_lpane->focus_box.bottom);
+
+	twin_window_damage(pboot_rpane->window,
+			   pboot_rpane->focus_box.left,
+			   pboot_rpane->focus_box.top,
+			   pboot_rpane->focus_box.right,
+			   pboot_rpane->focus_box.bottom);
+
+	twin_window_queue_paint(pboot_lpane->window);
+	twin_window_queue_paint(pboot_rpane->window);
+}
+
+static void pboot_rpane_mousetrack(twin_coord_t x, twin_coord_t y)
+{
+	pboot_device_t	*dev;
+	pboot_option_t	*opt;
+	int		candidate = -1;
+
+	if (pboot_dev_sel < 0 || pboot_dev_sel >= pboot_dev_count)
+		return;
+	dev = pboot_devices[pboot_dev_sel];
+
+	if (y < PBOOT_RIGHT_OPTION_TMARGIN)
+		goto miss;
+	candidate = (y - PBOOT_RIGHT_OPTION_TMARGIN) /
+		PBOOT_RIGHT_OPTION_STRIDE;
+	if (candidate >= dev->option_count) {
+		candidate = -1;
+		goto miss;
+	}
+	if (candidate == pboot_rpane->mouse_target)
+		return;
+	opt = &dev->options[candidate];
+	if (x < opt->box.left || x > opt->box.right ||
+	    y < opt->box.top || y > opt->box.bottom) {
+		candidate = -1;
+		goto miss;
+	}
+
+	/* Ok, so now, we know the mouse hit an icon that wasn't the same
+	 * as the previous one, we trigger a focus change
+	 */
+	pboot_set_rfocus(candidate);
+
+ miss:
+	pboot_rpane->mouse_target = candidate;
+}
+
+static twin_bool_t pboot_rpane_event (twin_window_t	    *window,
+				      twin_event_t	    *event)
+{
+	/* filter out all mouse events */
+	switch(event->kind) {
+	case TwinEventEnter:
+	case TwinEventMotion:
+	case TwinEventLeave:
+		pboot_select_rpane();
+		pboot_rpane_mousetrack(event->u.pointer.x, event->u.pointer.y);
+		return TWIN_TRUE;
+	case TwinEventButtonDown:
+	case TwinEventButtonUp:
+		return TWIN_TRUE;
+	case TwinEventKeyDown:
+		switch(event->u.key.key) {
+		case KEY_UP:
+			pboot_set_rfocus(pboot_rpane->focus_curindex - 1);
+			return TWIN_TRUE;
+		case KEY_DOWN:
+			pboot_set_rfocus(pboot_rpane->focus_curindex + 1);
+			return TWIN_TRUE;
+		case KEY_LEFT:
+			pboot_select_lpane();
+			return TWIN_TRUE;
+		default:
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+	return TWIN_FALSE;
+}
+
+
+int pboot_add_option(int devindex, const char *title,
+			    const char *subtitle, twin_pixmap_t *badge)
+{
+	pboot_device_t	*dev;
+	pboot_option_t	*opt;
+	twin_coord_t	width;
+	int		index;
+
+	if (devindex < 0 || devindex >= pboot_dev_count)
+		return -1;
+	dev = pboot_devices[devindex];
+
+	if (dev->option_count >= PBOOT_MAX_OPTION)
+		return -1;
+	index = dev->option_count++;
+	opt = &dev->options[index];
+
+	opt->title = malloc(strlen(title) + 1);
+	strcpy(opt->title, title);
+
+	if (subtitle) {
+		opt->subtitle = malloc(strlen(subtitle) + 1);
+		strcpy(opt->subtitle, subtitle);
+	} else
+		opt->subtitle = NULL;
+
+	opt->badge = badge;
+	opt->cache = NULL;
+
+	width = pboot_rpane->window->pixmap->width -
+		(PBOOT_RIGHT_OPTION_LMARGIN + PBOOT_RIGHT_OPTION_RMARGIN);
+
+	opt->box.left = PBOOT_RIGHT_OPTION_LMARGIN;
+	opt->box.right = opt->box.left + width;
+	opt->box.top = PBOOT_RIGHT_OPTION_TMARGIN +
+		index * PBOOT_RIGHT_OPTION_STRIDE;
+	opt->box.bottom = opt->box.top + PBOOT_RIGHT_OPTION_HEIGHT;
+
+	return index;
+}
+
+
+static void pboot_set_device_select(int sel)
+{
+	LOG("%s: %d -> %d\n", __FUNCTION__, pboot_dev_sel, sel);
+	if (sel == pboot_dev_sel || sel >= pboot_dev_count)
+		return;
+	pboot_dev_sel = sel;
+	pboot_rpane->focus_curindex = -1;
+	pboot_rpane->mouse_target = -1;
+	pboot_rpane->focus_box.top = -2*PBOOT_RIGHT_FOCUS_HEIGHT;
+	pboot_rpane->focus_box.bottom = pboot_rpane->focus_box.top +
+		PBOOT_RIGHT_FOCUS_HEIGHT;
+	twin_window_damage(pboot_rpane->window, 0, 0,
+			   pboot_rpane->window->pixmap->width,
+			   pboot_rpane->window->pixmap->height);
+	twin_window_queue_paint(pboot_rpane->window);
+}
+
+static twin_time_t pboot_lfocus_timeout (twin_time_t now, void *closure)
+{
+	int dir = 1, dist, pos;
+	const int accel[11] = { 7, 4, 2, 1, 1, 1, 1, 2, 3, 4, 5 };
+
+	dist = abs(pboot_lpane->focus_target - pboot_lpane->focus_start);
+	pos = pboot_lpane->focus_target - (int)pboot_lpane->focus_box.top;
+	if (pos == 0) {
+		pboot_set_device_select(pboot_lpane->focus_curindex);
+		return -1;
+	}
+	if (pos < 0) {
+		dir = -1;
+		pos = -pos;
+	}
+	twin_window_damage(pboot_lpane->window,
+			   pboot_lpane->focus_box.left,
+			   pboot_lpane->focus_box.top,
+			   pboot_lpane->focus_box.right,
+			   pboot_lpane->focus_box.bottom);
+
+	pboot_lpane->focus_box.top += dir;
+	pboot_lpane->focus_box.bottom += dir;
+
+	twin_window_damage(pboot_lpane->window,
+			   pboot_lpane->focus_box.left,
+			   pboot_lpane->focus_box.top,
+			   pboot_lpane->focus_box.right,
+			   pboot_lpane->focus_box.bottom);
+
+	twin_window_queue_paint(pboot_lpane->window);
+
+	return accel[(pos * 10) / dist];
+}
+
+static void pboot_set_lfocus(int index)
+{
+	if (index >= pboot_dev_count)
+		return;
+
+	pboot_lpane->focus_start = pboot_lpane->focus_box.top;
+
+	if (index < 0)
+		pboot_lpane->focus_target = 0 - PBOOT_LEFT_FOCUS_HEIGHT;
+	else
+		pboot_lpane->focus_target = PBOOT_LEFT_FOCUS_YOFF +
+			PBOOT_LEFT_ICON_STRIDE * index;
+
+	pboot_lpane->focus_curindex = index;
+
+	twin_set_timeout(pboot_lfocus_timeout, 0, NULL);
+}
+
+static void pboot_lpane_mousetrack(twin_coord_t x, twin_coord_t y)
+{
+	int candidate = -1;
+	twin_coord_t icon_top;
+
+	if (x < PBOOT_LEFT_ICON_XOFF ||
+	    x > (PBOOT_LEFT_ICON_XOFF + PBOOT_LEFT_ICON_WIDTH))
+		goto miss;
+	if (y < PBOOT_LEFT_ICON_YOFF)
+		goto miss;
+	candidate = (y - PBOOT_LEFT_ICON_YOFF) / PBOOT_LEFT_ICON_STRIDE;
+	if (candidate >= pboot_dev_count) {
+		candidate = -1;
+		goto miss;
+	}
+	if (candidate == pboot_lpane->mouse_target)
+		return;
+	icon_top = PBOOT_LEFT_ICON_YOFF +
+		candidate * PBOOT_LEFT_ICON_STRIDE;
+	if (y > (icon_top + PBOOT_LEFT_ICON_HEIGHT)) {
+		candidate = -1;
+		goto miss;
+	}
+
+	/* Ok, so now, we know the mouse hit an icon that wasn't the same
+	 * as the previous one, we trigger a focus change
+	 */
+	pboot_set_lfocus(candidate);
+
+ miss:
+	pboot_lpane->mouse_target = candidate;
+}
+
+static twin_bool_t pboot_lpane_event (twin_window_t	    *window,
+				      twin_event_t	    *event)
+{
+	/* filter out all mouse events */
+	switch(event->kind) {
+	case TwinEventEnter:
+	case TwinEventMotion:
+	case TwinEventLeave:
+		pboot_select_lpane();
+		pboot_lpane_mousetrack(event->u.pointer.x, event->u.pointer.y);
+		return TWIN_TRUE;
+	case TwinEventButtonDown:
+	case TwinEventButtonUp:
+		return TWIN_TRUE;
+	case TwinEventKeyDown:
+		switch(event->u.key.key) {
+		case KEY_UP:
+			if (pboot_lpane->focus_curindex > 0)
+				pboot_set_lfocus(
+					pboot_lpane->focus_curindex - 1);
+			return TWIN_TRUE;
+		case KEY_DOWN:
+			pboot_set_lfocus(pboot_lpane->focus_curindex + 1);
+			return TWIN_TRUE;
+		case KEY_RIGHT:
+			pboot_select_rpane();
+			return TWIN_TRUE;
+		default:
+			break;
+		}
+		break;
+	default:
+		break;
+	}
+	return TWIN_FALSE;
+}
+
+twin_bool_t pboot_event_filter(twin_screen_t	    *screen,
+			       twin_event_t	    *event)
+{
+	switch(event->kind) {
+	case TwinEventEnter:
+	case TwinEventMotion:
+	case TwinEventLeave:
+	case TwinEventButtonDown:
+	case TwinEventButtonUp:
+		if (pboot_cursor != NULL)
+			twin_screen_set_cursor(pboot_screen, pboot_cursor,
+					       pboot_cursor_hx,
+					       pboot_cursor_hy);
+		break;
+	case TwinEventKeyDown:
+	case TwinEventKeyUp:
+		twin_screen_set_cursor(pboot_screen, NULL, 0, 0);
+		break;
+	default:
+		break;
+	}
+	return TWIN_FALSE;
+}
+
+static void pboot_lpane_draw(twin_window_t *window)
+{
+	twin_pixmap_t	*px = window->pixmap;
+	pboot_lpane_t	*lpane = window->client_data;
+	twin_path_t	*path;
+	twin_fixed_t	x, y, w, h;
+	int		i;
+
+	/* Fill background */
+	twin_fill(px, PBOOT_LEFT_PANE_COLOR, TWIN_SOURCE,
+		  0, 0, px->width, px->height);
+
+	/* Create a path for use later */
+	path = twin_path_create();
+	assert(path);
+
+	/* Draw right line if needed */
+	if (px->clip.right > (PBOOT_LEFT_PANE_SIZE - 4)) {
+		x = twin_int_to_fixed(PBOOT_LEFT_PANE_SIZE - 4);
+		y = twin_int_to_fixed(px->height);
+		twin_path_rectangle(path, x, 0, 0x40000, y);
+		twin_paint_path(px, PBOOT_LEFT_LINE_COLOR, path);
+		twin_path_empty(path);
+	}
+
+	/* Draw focus box */
+	if (lpane->focus_curindex >= 0 &&
+	    twin_rect_intersect(lpane->focus_box, px->clip)) {
+		x = twin_int_to_fixed(lpane->focus_box.left + 2);
+		y = twin_int_to_fixed(lpane->focus_box.top + 2);
+		w = twin_int_to_fixed(lpane->focus_box.right -
+				      lpane->focus_box.left - 4);
+		h = twin_int_to_fixed(lpane->focus_box.bottom -
+				      lpane->focus_box.top - 4);
+		twin_path_rounded_rectangle(path, x, y, w, h,
+					    PBOOT_LEFT_FOCUS_XRAD,
+					    PBOOT_LEFT_FOCUS_YRAD);
+		if (pboot_focus_lpane)
+			twin_paint_path(px, PBOOT_FOCUS_COLOR, path);
+		else
+			twin_paint_stroke(px, PBOOT_FOCUS_COLOR, path,
+					  4 * TWIN_FIXED_ONE);
+	}
+
+	/* Draw icons */
+	for (i = 0; i < pboot_dev_count; i++) {
+		pboot_device_t	*dev = pboot_devices[i];
+		twin_operand_t	src;
+
+		if (!twin_rect_intersect(dev->box, px->clip))
+			continue;
+
+		src.source_kind = TWIN_PIXMAP;
+		src.u.pixmap = dev->badge;
+
+		twin_composite(px, dev->box.left, dev->box.top,
+			       &src, 0, 0, NULL, 0, 0, TWIN_OVER,
+			       dev->box.right - dev->box.left,
+			       dev->box.bottom - dev->box.top);
+
+	}
+
+	/* Destroy path */
+	twin_path_destroy(path);
+}
+
+static void pboot_create_panels(void)
+{
+	/* left pane */
+	pboot_lpane = calloc(1, sizeof(pboot_lpane_t));
+	assert(pboot_lpane);
+
+	pboot_lpane->window = twin_window_create(pboot_screen, TWIN_ARGB32,
+						 TwinWindowPlain,
+						 0, 0, PBOOT_LEFT_PANE_SIZE,
+						 pboot_screen->height);
+	assert(pboot_lpane->window);
+
+	pboot_lpane->window->draw = pboot_lpane_draw;
+	pboot_lpane->window->event = pboot_lpane_event;
+	pboot_lpane->window->client_data = pboot_lpane;
+	pboot_lpane->focus_curindex = -1;
+	pboot_lpane->focus_box.left = PBOOT_LEFT_FOCUS_XOFF;
+	pboot_lpane->focus_box.top = -2*PBOOT_LEFT_FOCUS_HEIGHT;
+	pboot_lpane->focus_box.right = pboot_lpane->focus_box.left +
+		PBOOT_LEFT_FOCUS_WIDTH;
+	pboot_lpane->focus_box.bottom = pboot_lpane->focus_box.top +
+		PBOOT_LEFT_FOCUS_HEIGHT;
+	pboot_lpane->mouse_target = -1;
+	twin_window_show(pboot_lpane->window);
+
+	/* right pane */
+	pboot_rpane = calloc(1, sizeof(pboot_rpane_t));
+	assert(pboot_rpane);
+
+	pboot_rpane->window = twin_window_create(pboot_screen, TWIN_ARGB32,
+						 TwinWindowPlain,
+						 PBOOT_LEFT_PANE_SIZE, 0,
+						 pboot_screen->width -
+						   PBOOT_LEFT_PANE_SIZE,
+						 pboot_screen->height);
+	assert(pboot_rpane->window);
+
+	pboot_rpane->window->draw = pboot_rpane_draw;
+	pboot_rpane->window->event = pboot_rpane_event;
+	pboot_rpane->window->client_data = pboot_rpane;
+
+	pboot_rpane->focus_curindex = -1;
+	pboot_rpane->focus_box.left = PBOOT_RIGHT_FOCUS_XOFF;
+	pboot_rpane->focus_box.top = -2*PBOOT_RIGHT_FOCUS_HEIGHT;
+	pboot_rpane->focus_box.right = pboot_rpane->window->pixmap->width -
+		2 * PBOOT_RIGHT_FOCUS_XOFF;
+	pboot_rpane->focus_box.bottom = pboot_rpane->focus_box.top +
+		PBOOT_RIGHT_FOCUS_HEIGHT;
+	pboot_rpane->mouse_target = -1;
+	twin_window_show(pboot_rpane->window);
+}
+
+int pboot_add_device(const char *dev_id, const char *name,
+		twin_pixmap_t *pixmap)
+{
+	int		index;
+	pboot_device_t	*dev;
+
+	if (pboot_dev_count >= PBOOT_MAX_DEV)
+		return -1;
+
+	index = pboot_dev_count++;
+
+	dev = malloc(sizeof(*dev));
+	memset(dev, 0, sizeof(*dev));
+	dev->id = malloc(strlen(dev_id) + 1);
+	strcpy(dev->id, dev_id);
+	dev->badge = pixmap;
+	dev->box.left = PBOOT_LEFT_ICON_XOFF;
+	dev->box.right = dev->box.left + PBOOT_LEFT_ICON_WIDTH;
+	dev->box.top = PBOOT_LEFT_ICON_YOFF +
+		PBOOT_LEFT_ICON_STRIDE * index;
+	dev->box.bottom = dev->box.top + PBOOT_LEFT_ICON_HEIGHT;
+
+	pboot_devices[index] = dev;
+
+	twin_window_damage(pboot_lpane->window,
+			   dev->box.left, dev->box.top,
+			   dev->box.right, dev->box.bottom);
+	twin_window_queue_paint(pboot_lpane->window);
+
+	return index;
+}
+
+int pboot_remove_device(const char *dev_id)
+{
+	int		i, new_dev_index;
+	pboot_device_t	*dev = NULL;
+
+	/* find the matching device */
+	for (i = 0; i < pboot_dev_count; i++) {
+		if (!strcmp(pboot_devices[i]->id, dev_id)) {
+			dev = pboot_devices[i];
+			break;
+		}
+	}
+
+	if (!dev)
+		return TWIN_FALSE;
+
+	/* select the newly-focussed device */
+	if (i == pboot_dev_count - 1)
+		new_dev_index = i - 1;
+	else
+		new_dev_index = i + 1;
+
+	memmove(pboot_devices + i, pboot_devices + i + 1,
+			sizeof(*pboot_devices) * (pboot_dev_count + i - 1));
+
+	pboot_devices[--pboot_dev_count] = NULL;
+
+	pboot_set_device_select(new_dev_index);
+	twin_window_damage(pboot_lpane->window,
+			   dev->box.left, dev->box.top,
+			   dev->box.right, dev->box.bottom);
+	twin_window_queue_paint(pboot_lpane->window);
+
+	/* todo: free device & options */
+
+	return TWIN_TRUE;
+}
+
+static void exitfunc(void)
+{
+	if (pboot_fbdev)
+		twin_fbdev_destroy(pboot_fbdev);
+	pboot_fbdev = NULL;
+}
+
+static void sigint(int sig)
+{
+	exitfunc();
+	syscall(__NR_exit);
+}
+
+int main(int argc, char **argv)
+{
+	twin_pixmap_t *pic;
+
+	atexit(exitfunc);
+	signal(SIGINT, sigint);
+
+#ifdef _USE_X11
+	pboot_x11 = twin_x11_create(XOpenDisplay(0), 1024, 768);
+	if (pboot_x11 == NULL) {
+		perror("failed to create x11 screen !\n");
+		return 1;
+	}
+	pboot_screen = pboot_x11->screen;
+#else
+	/* Create screen and mouse drivers */
+	pboot_fbdev = twin_fbdev_create(-1, SIGUSR1);
+	if (pboot_fbdev == NULL) {
+		perror("failed to create fbdev screen !\n");
+		return 1;
+	}
+	pboot_screen = pboot_fbdev->screen;
+	twin_linux_mouse_create(NULL, pboot_screen);
+#endif
+
+	if (pboot_fbdev != NULL) {
+		pboot_cursor = twin_load_X_cursor("artwork/cursor", 2,
+						  &pboot_cursor_hx,
+						  &pboot_cursor_hy);
+		if (pboot_cursor == NULL)
+			pboot_cursor =
+				twin_get_default_cursor(&pboot_cursor_hx,
+							&pboot_cursor_hy);
+	}
+
+	/* Set background pixmap */
+	LOG("loading background...");
+	pic = twin_png_to_pixmap("artwork/background.png", TWIN_ARGB32);
+	LOG("%s\n", pic ? "ok" : "failed");
+	if (pic)
+		twin_screen_set_background(pboot_screen, pic);
+
+	/* Init more stuffs */
+	pboot_create_panels();
+	twin_window_queue_paint(pboot_lpane->window);
+	twin_window_queue_paint(pboot_rpane->window);
+
+	if (!pboot_start_device_discovery()) {
+		LOG("Couldn't start device discovery!\n");
+		return 1;
+	}
+
+	pboot_set_lfocus(0);
+	twin_screen_set_active(pboot_screen, pboot_lpane->window->pixmap);
+	pboot_screen->event_filter = pboot_event_filter;
+
+	/* Console switch */
+	if (pboot_fbdev)
+		twin_fbdev_activate(pboot_fbdev);
+
+	/* Process events */
+	twin_dispatch ();
+
+	return 0;
+}