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-rw-r--r--common.h12
-rw-r--r--minui/graphics.c49
-rw-r--r--recovery.c101
-rw-r--r--ui.c140
4 files changed, 254 insertions, 48 deletions
diff --git a/common.h b/common.h
index 76d5747bd..e17f76a46 100644
--- a/common.h
+++ b/common.h
@@ -26,12 +26,24 @@ void ui_init();
int ui_wait_key(); // waits for a key/button press, returns the code
int ui_key_pressed(int key); // returns >0 if the code is currently pressed
int ui_text_visible(); // returns >0 if text log is currently visible
+void ui_clear_key_queue();
// Write a message to the on-screen log shown with Alt-L (also to stderr).
// The screen is small, and users may need to report these messages to support,
// so keep the output short and not too cryptic.
void ui_print(const char *fmt, ...);
+// Display some header text followed by a menu of items, which appears
+// at the top of the screen (in place of any scrolling ui_print()
+// output, if necessary).
+void ui_start_menu(char** headers, char** items);
+// Set the menu highlight to the given index, and return it (capped to
+// the range [0..numitems).
+int ui_menu_select(int sel);
+// End menu mode, resetting the text overlay so that ui_print()
+// statements will be displayed.
+void ui_end_menu();
+
// Set the icon (normally the only thing visible besides the progress bar).
enum {
BACKGROUND_ICON_NONE,
diff --git a/minui/graphics.c b/minui/graphics.c
index 05e876300..06c5fdfcd 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -43,6 +43,7 @@ static GRFont *gr_font = 0;
static GGLContext *gr_context = 0;
static GGLSurface gr_font_texture;
static GGLSurface gr_framebuffer[2];
+static GGLSurface gr_mem_surface;
static unsigned gr_active_fb = 0;
static int gr_fb_fd = -1;
@@ -55,7 +56,7 @@ static int get_framebuffer(GGLSurface *fb)
int fd;
struct fb_fix_screeninfo fi;
void *bits;
-
+
fd = open("/dev/graphics/fb0", O_RDWR);
if (fd < 0) {
perror("cannot open fb0");
@@ -87,9 +88,9 @@ static int get_framebuffer(GGLSurface *fb)
fb->stride = vi.xres;
fb->data = bits;
fb->format = GGL_PIXEL_FORMAT_RGB_565;
-
+
fb++;
-
+
fb->version = sizeof(*fb);
fb->width = vi.xres;
fb->height = vi.yres;
@@ -100,6 +101,15 @@ static int get_framebuffer(GGLSurface *fb)
return fd;
}
+static void get_memory_surface(GGLSurface* ms) {
+ ms->version = sizeof(*ms);
+ ms->width = vi.xres;
+ ms->height = vi.yres;
+ ms->stride = vi.xres;
+ ms->data = malloc(vi.xres * vi.yres * 2);
+ ms->format = GGL_PIXEL_FORMAT_RGB_565;
+}
+
static void set_active_framebuffer(unsigned n)
{
if (n > 1) return;
@@ -113,14 +123,16 @@ static void set_active_framebuffer(unsigned n)
void gr_flip(void)
{
GGLContext *gl = gr_context;
-
- /* currently active buffer becomes the backbuffer */
- gl->colorBuffer(gl, gr_framebuffer + gr_active_fb);
- /* swap front and back buffers */
+ /* swap front and back buffers */
gr_active_fb = (gr_active_fb + 1) & 1;
- /* inform the display driver */
+ /* copy data from the in-memory surface to the buffer we're about
+ * to make active. */
+ memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
+ vi.xres * vi.yres * 2);
+
+ /* inform the display driver */
set_active_framebuffer(gr_active_fb);
}
@@ -147,13 +159,13 @@ int gr_text(int x, int y, const char *s)
unsigned off;
y -= font->ascent;
-
+
gl->bindTexture(gl, &font->texture);
gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
gl->enable(gl, GGL_TEXTURE_2D);
-
+
while((off = *s++)) {
off -= 32;
if (off < 96) {
@@ -209,10 +221,10 @@ static void gr_init_font(void)
unsigned char *in, data;
gr_font = calloc(sizeof(*gr_font), 1);
- ftex = &gr_font->texture;
+ ftex = &gr_font->texture;
bits = malloc(font.width * font.height);
-
+
ftex->version = sizeof(*ftex);
ftex->width = font.width;
ftex->height = font.height;
@@ -225,7 +237,7 @@ static void gr_init_font(void)
memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f);
bits += (data & 0x7f);
}
-
+
gr_font->cwidth = font.cwidth;
gr_font->cheight = font.cheight;
gr_font->ascent = font.cheight - 2;
@@ -254,13 +266,16 @@ int gr_init(void)
return -1;
}
+ get_memory_surface(&gr_mem_surface);
+
fprintf(stderr, "framebuffer: fd %d (%d x %d)\n",
gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
/* start with 0 as front (displayed) and 1 as back (drawing) */
gr_active_fb = 0;
set_active_framebuffer(0);
- gl->colorBuffer(gl, gr_framebuffer + 1);
+ gl->colorBuffer(gl, &gr_mem_surface);
+
gl->activeTexture(gl, 0);
gl->enable(gl, GGL_BLEND);
@@ -273,7 +288,9 @@ void gr_exit(void)
{
close(gr_fb_fd);
gr_fb_fd = -1;
-
+
+ free(gr_mem_surface.data);
+
ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
close(gr_vt_fd);
gr_vt_fd = -1;
@@ -291,5 +308,5 @@ int gr_fb_height(void)
gr_pixel *gr_fb_data(void)
{
- return (unsigned short *) gr_framebuffer[1 - gr_active_fb].data;
+ return (unsigned short *) gr_mem_surface.data;
}
diff --git a/recovery.c b/recovery.c
index 3d44df3b4..221ee2975 100644
--- a/recovery.c
+++ b/recovery.c
@@ -291,17 +291,32 @@ erase_root(const char *root)
static void
prompt_and_wait()
{
- ui_print("\n"
- "Home+Back - reboot system now\n"
- "Alt+L - toggle log text display\n"
- "Alt+S - apply sdcard:update.zip\n"
- "Alt+W - wipe data/factory reset\n");
-
+ char* headers[] = { "Android system recovery utility",
+ "",
+ "Use trackball to highlight;",
+ "click to select.",
+ "",
+ NULL };
+
+ // these constants correspond to elements of the items[] list.
+#define ITEM_REBOOT 0
+#define ITEM_APPLY_SDCARD 1
+#define ITEM_WIPE_DATA 2
+ char* items[] = { "reboot system now [Home+Back]",
+ "apply sdcard:update.zip [Alt+S]",
+ "wipe data/factory reset [Alt+W]",
+ NULL };
+
+ ui_start_menu(headers, items);
+ int selected = 0;
+ int chosen_item = -1;
+
+ finish_recovery(NULL);
+ ui_reset_progress();
for (;;) {
- finish_recovery(NULL);
- ui_reset_progress();
int key = ui_wait_key();
int alt = ui_key_pressed(KEY_LEFTALT) || ui_key_pressed(KEY_RIGHTALT);
+ int visible = ui_text_visible();
if (key == KEY_DREAM_BACK && ui_key_pressed(KEY_DREAM_HOME)) {
// Wait for the keys to be released, to avoid triggering
@@ -310,23 +325,64 @@ prompt_and_wait()
ui_key_pressed(KEY_DREAM_HOME)) {
usleep(1000);
}
- break;
+ chosen_item = ITEM_REBOOT;
} else if (alt && key == KEY_W) {
- ui_print("\n");
- erase_root("DATA:");
- erase_root("CACHE:");
- ui_print("Data wipe complete.\n");
- if (!ui_text_visible()) break;
+ chosen_item = ITEM_WIPE_DATA;
} else if (alt && key == KEY_S) {
- ui_print("\nInstalling from sdcard...\n");
- int status = install_package(SDCARD_PACKAGE_FILE);
- if (status != INSTALL_SUCCESS) {
- ui_set_background(BACKGROUND_ICON_ERROR);
- ui_print("Installation aborted.\n");
- } else if (!ui_text_visible()) {
- break; // reboot if logs aren't visible
+ chosen_item = ITEM_APPLY_SDCARD;
+ } else if ((key == KEY_DOWN || key == KEY_VOLUMEDOWN) && visible) {
+ ++selected;
+ selected = ui_menu_select(selected);
+ } else if ((key == KEY_UP || key == KEY_VOLUMEUP) && visible) {
+ --selected;
+ selected = ui_menu_select(selected);
+ } else if (key == BTN_MOUSE && visible) {
+ chosen_item = selected;
+ }
+
+ if (chosen_item >= 0) {
+ // turn off the menu, letting ui_print() to scroll output
+ // on the screen.
+ ui_end_menu();
+
+ switch (chosen_item) {
+ case ITEM_REBOOT:
+ return;
+
+ case ITEM_WIPE_DATA:
+ ui_print("\n-- Wiping data...\n");
+ erase_root("DATA:");
+ erase_root("CACHE:");
+ ui_print("Data wipe complete.\n");
+ if (!ui_text_visible()) return;
+ break;
+
+ case ITEM_APPLY_SDCARD:
+ ui_print("\n-- Install from sdcard...\n");
+ int status = install_package(SDCARD_PACKAGE_FILE);
+ if (status != INSTALL_SUCCESS) {
+ ui_set_background(BACKGROUND_ICON_ERROR);
+ ui_print("Installation aborted.\n");
+ } else if (!ui_text_visible()) {
+ return; // reboot if logs aren't visible
+ } else {
+ ui_print("Install from sdcard complete.\n");
+ }
+ break;
}
- ui_print("\nPress Home+Back to reboot\n");
+
+ // if we didn't return from this function to reboot, show
+ // the menu again.
+ ui_start_menu(headers, items);
+ selected = 0;
+ chosen_item = -1;
+
+ finish_recovery(NULL);
+ ui_reset_progress();
+
+ // throw away keys pressed while the command was running,
+ // so user doesn't accidentally trigger menu items.
+ ui_clear_key_queue();
}
}
}
@@ -348,7 +404,6 @@ main(int argc, char **argv)
fprintf(stderr, "Starting recovery on %s", ctime(&start));
ui_init();
- ui_print("Android system recovery utility\n");
get_args(&argc, &argv);
int previous_runs = 0;
diff --git a/ui.c b/ui.c
index b9869aed5..5d06561c5 100644
--- a/ui.c
+++ b/ui.c
@@ -89,6 +89,10 @@ static int text_cols = 0, text_rows = 0;
static int text_col = 0, text_row = 0, text_top = 0;
static int show_text = 0;
+static char menu[MAX_ROWS][MAX_COLS];
+static int show_menu = 0;
+static int menu_top = 0, menu_items = 0, menu_sel = 0;
+
// Key event input queue
static pthread_mutex_t key_queue_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t key_queue_cond = PTHREAD_COND_INITIALIZER;
@@ -154,6 +158,12 @@ static void draw_progress_locked()
}
}
+static void draw_text_line(int row, const char* t) {
+ if (t[0] != '\0') {
+ gr_text(0, (row+1)*CHAR_HEIGHT-1, t);
+ }
+}
+
// Redraw everything on the screen. Does not flip pages.
// Should only be called with gUpdateMutex locked.
static void draw_screen_locked(void)
@@ -163,13 +173,32 @@ static void draw_screen_locked(void)
if (show_text) {
gr_color(0, 0, 0, 160);
- gr_fill(0, 0, gr_fb_width(), text_rows * CHAR_HEIGHT);
+ gr_fill(0, 0, gr_fb_width(), gr_fb_height());
+
+ int i = 0;
+ if (show_menu) {
+ gr_color(64, 96, 255, 255);
+ gr_fill(0, (menu_top+menu_sel) * CHAR_HEIGHT,
+ gr_fb_width(), (menu_top+menu_sel+1)*CHAR_HEIGHT+1);
+
+ for (; i < menu_top + menu_items; ++i) {
+ if (i == menu_top + menu_sel) {
+ gr_color(255, 255, 255, 255);
+ draw_text_line(i, menu[i]);
+ gr_color(64, 96, 255, 255);
+ } else {
+ draw_text_line(i, menu[i]);
+ }
+ }
+ gr_fill(0, i*CHAR_HEIGHT+CHAR_HEIGHT/2-1,
+ gr_fb_width(), i*CHAR_HEIGHT+CHAR_HEIGHT/2+1);
+ ++i;
+ }
gr_color(255, 255, 0, 255);
- int i;
- for (i = 0; i < text_rows; ++i) {
- const char* line = text[(i + text_top) % text_rows];
- if (line[0] != '\0') gr_text(0, (i + 1) * CHAR_HEIGHT - 1, line);
+
+ for (; i < text_rows; ++i) {
+ draw_text_line(i, text[(i+text_top) % text_rows]);
}
}
}
@@ -228,13 +257,50 @@ static void *progress_thread(void *cookie)
// Reads input events, handles special hot keys, and adds to the key queue.
static void *input_thread(void *cookie)
{
+ int rel_sum = 0;
+ int fake_key = 0;
for (;;) {
// wait for the next key event
struct input_event ev;
- do { ev_get(&ev, 0); } while (ev.type != EV_KEY || ev.code > KEY_MAX);
+ do {
+ ev_get(&ev, 0);
+
+ if (ev.type == EV_SYN) {
+ continue;
+ } else if (ev.type == EV_REL) {
+ if (ev.code == REL_Y) {
+ // accumulate the up or down motion reported by
+ // the trackball. When it exceeds a threshold
+ // (positive or negative), fake an up/down
+ // key event.
+ rel_sum += ev.value;
+ if (rel_sum > 3) {
+ fake_key = 1;
+ ev.type = EV_KEY;
+ ev.code = KEY_DOWN;
+ ev.value = 1;
+ rel_sum = 0;
+ } else if (rel_sum < -3) {
+ fake_key = 1;
+ ev.type = EV_KEY;
+ ev.code = KEY_UP;
+ ev.value = 1;
+ rel_sum = 0;
+ }
+ }
+ } else {
+ rel_sum = 0;
+ }
+ } while (ev.type != EV_KEY || ev.code > KEY_MAX);
pthread_mutex_lock(&key_queue_mutex);
- key_pressed[ev.code] = ev.value;
+ if (!fake_key) {
+ // our "fake" keys only report a key-down event (no
+ // key-up), so don't record them in the key_pressed
+ // table.
+ key_pressed[ev.code] = ev.value;
+ }
+ fake_key = 0;
const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
if (ev.value > 0 && key_queue_len < queue_max) {
key_queue[key_queue_len++] = ev.code;
@@ -242,9 +308,10 @@ static void *input_thread(void *cookie)
}
pthread_mutex_unlock(&key_queue_mutex);
- // Alt+L: toggle log display
+ // Alt+L or Home+End: toggle log display
int alt = key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT];
- if (alt && ev.code == KEY_L && ev.value > 0) {
+ if ((alt && ev.code == KEY_L && ev.value > 0) ||
+ (key_pressed[KEY_HOME] && ev.code == KEY_END && ev.value > 0)) {
pthread_mutex_lock(&gUpdateMutex);
show_text = !show_text;
update_screen_locked();
@@ -269,6 +336,7 @@ void ui_init(void)
text_col = text_row = 0;
text_rows = gr_fb_height() / CHAR_HEIGHT;
if (text_rows > MAX_ROWS) text_rows = MAX_ROWS;
+ text_top = 1;
text_cols = gr_fb_width() / CHAR_WIDTH;
if (text_cols > MAX_COLS - 1) text_cols = MAX_COLS - 1;
@@ -392,6 +460,54 @@ void ui_print(const char *fmt, ...)
pthread_mutex_unlock(&gUpdateMutex);
}
+void ui_start_menu(char** headers, char** items) {
+ int i;
+ pthread_mutex_lock(&gUpdateMutex);
+ if (text_rows > 0 && text_cols > 0) {
+ for (i = 0; i < text_rows; ++i) {
+ if (headers[i] == NULL) break;
+ strncpy(menu[i], headers[i], text_cols-1);
+ menu[i][text_cols-1] = '\0';
+ }
+ menu_top = i;
+ for (; i < text_rows; ++i) {
+ if (items[i-menu_top] == NULL) break;
+ strncpy(menu[i], items[i-menu_top], text_cols-1);
+ menu[i][text_cols-1] = '\0';
+ }
+ menu_items = i - menu_top;
+ show_menu = 1;
+ menu_sel = 0;
+ update_screen_locked();
+ }
+ pthread_mutex_unlock(&gUpdateMutex);
+}
+
+int ui_menu_select(int sel) {
+ int old_sel;
+ pthread_mutex_lock(&gUpdateMutex);
+ if (show_menu > 0) {
+ old_sel = menu_sel;
+ menu_sel = sel;
+ if (menu_sel < 0) menu_sel = 0;
+ if (menu_sel >= menu_items) menu_sel = menu_items-1;
+ sel = menu_sel;
+ if (menu_sel != old_sel) update_screen_locked();
+ }
+ pthread_mutex_unlock(&gUpdateMutex);
+ return sel;
+}
+
+void ui_end_menu() {
+ int i;
+ pthread_mutex_lock(&gUpdateMutex);
+ if (show_menu > 0 && text_rows > 0 && text_cols > 0) {
+ show_menu = 0;
+ update_screen_locked();
+ }
+ pthread_mutex_unlock(&gUpdateMutex);
+}
+
int ui_text_visible()
{
pthread_mutex_lock(&gUpdateMutex);
@@ -418,3 +534,9 @@ int ui_key_pressed(int key)
// This is a volatile static array, don't bother locking
return key_pressed[key];
}
+
+void ui_clear_key_queue() {
+ pthread_mutex_lock(&key_queue_mutex);
+ key_queue_len = 0;
+ pthread_mutex_unlock(&key_queue_mutex);
+}