static void glui_navigation_set(bool scroll)
{
menu_display_t *disp = menu_display_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
float scroll_pos = 0;
if (!menu || !disp || !scroll)
return;
scroll_pos = glui_get_scroll();
if (menu->userdata)
{
unsigned height = 0, num_lines = 0, end = 0;
glui_handle_t *glui = (glui_handle_t*)menu->userdata;
menu_navigation_t *nav = menu_navigation_get_ptr();
video_driver_get_size(NULL, &height);
num_lines = height / glui->line_height;
end = menu_entries_get_end();
if (nav->selection_ptr < num_lines / 2 || end <= num_lines)
menu_entries_set_start(0);
else if (nav->selection_ptr < (end - num_lines / 2))
menu_entries_set_start(nav->selection_ptr - num_lines / 2);
else
menu_entries_set_start(end - num_lines);
if (menu_entries_get_start() >= 5)
menu_entries_set_start(menu_entries_get_start() - 5);
}
menu_animation_push(disp->animation, 10, scroll_pos,
&menu->scroll_y, EASING_IN_OUT_QUAD, -1, NULL);
}
static void glui_navigation_clear(bool pending_push)
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return;
menu_entries_set_start(0);
menu->scroll_y = 0;
}
static void glui_render(void)
{
int bottom;
unsigned width, height;
glui_handle_t *glui = NULL;
menu_display_t *disp = menu_display_get_ptr();
menu_framebuf_t *frame_buf = menu_display_fb_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
menu_input_t *menu_input = menu_input_get_ptr();
settings_t *settings = config_get_ptr();
if (!menu || !menu->userdata)
return;
video_driver_get_size(&width, &height);
glui = (glui_handle_t*)menu->userdata;
menu_animation_update(disp->animation,
disp->animation->delta_time / IDEAL_DT);
/* TODO/FIXME - we don't use framebuffer at all
* for GLUI, we should refactor this dependency
* away. */
frame_buf->width = width;
frame_buf->height = height;
if (settings->menu.pointer.enable)
{
menu_input->pointer.ptr =
(menu_input->pointer.y - glui->line_height + menu->scroll_y - 16)
/ glui->line_height;
if (menu_input->pointer.dragging)
menu->scroll_y -= menu_input->pointer.dy;
}
if (settings->menu.mouse.enable)
{
if (menu_input->mouse.scrolldown)
menu->scroll_y += 10;
if (menu_input->mouse.scrollup)
menu->scroll_y -= 10;
menu_input->mouse.ptr =
(menu_input->mouse.y - glui->line_height + menu->scroll_y - 16)
/ glui->line_height;
}
if (menu_entries_get_end() < height / glui->line_height)
menu_entries_set_start(0);
if (menu->scroll_y < 0)
menu->scroll_y = 0;
bottom = menu_entries_get_end() * glui->line_height
- height + disp->header_height * 2;
if (menu->scroll_y > bottom)
menu->scroll_y = bottom;
if (menu_entries_get_end() * glui->line_height
< height - disp->header_height*2)
menu->scroll_y = 0;
}
static void glui_render(void)
{
float delta_time, dt;
int bottom;
unsigned width, height, header_height;
glui_handle_t *glui = NULL;
menu_handle_t *menu = menu_driver_get_ptr();
settings_t *settings = config_get_ptr();
if (!menu || !menu->userdata)
return;
video_driver_get_size(&width, &height);
glui = (glui_handle_t*)menu->userdata;
menu_animation_ctl(MENU_ANIMATION_CTL_DELTA_TIME, &delta_time);
dt = delta_time / IDEAL_DT;
menu_animation_ctl(MENU_ANIMATION_CTL_UPDATE, &dt);
menu_display_ctl(MENU_DISPLAY_CTL_SET_WIDTH, &width);
menu_display_ctl(MENU_DISPLAY_CTL_SET_HEIGHT, &height);
menu_display_ctl(MENU_DISPLAY_CTL_HEADER_HEIGHT, &header_height);
if (settings->menu.pointer.enable)
{
int16_t pointer_y = menu_input_pointer_state(MENU_POINTER_Y_AXIS);
float old_accel_val, new_accel_val;
unsigned new_pointer_val =
(pointer_y - glui->line_height + menu->scroll_y - 16)
/ glui->line_height;
menu_input_ctl(MENU_INPUT_CTL_POINTER_ACCEL_READ, &old_accel_val);
menu_input_ctl(MENU_INPUT_CTL_POINTER_PTR, &new_pointer_val);
menu->scroll_y -= old_accel_val / 60.0;
new_accel_val = old_accel_val * 0.96;
menu_input_ctl(MENU_INPUT_CTL_POINTER_ACCEL_WRITE, &new_accel_val);
}
if (settings->menu.mouse.enable)
{
unsigned new_mouse_ptr = 0;
bool mouse_scrolldown, mouse_scrollup;
int16_t mouse_y = menu_input_mouse_state(MENU_MOUSE_Y_AXIS);
menu_input_ctl(MENU_INPUT_CTL_MOUSE_SCROLL_DOWN, &mouse_scrolldown);
menu_input_ctl(MENU_INPUT_CTL_MOUSE_SCROLL_UP, &mouse_scrollup);
if (mouse_scrolldown)
menu->scroll_y += 10;
if (mouse_scrollup)
menu->scroll_y -= 10;
new_mouse_ptr =
(mouse_y - glui->line_height + menu->scroll_y - 16)
/ glui->line_height;
menu_input_ctl(MENU_INPUT_CTL_MOUSE_PTR, &new_mouse_ptr);
}
if (menu->scroll_y < 0)
menu->scroll_y = 0;
bottom = menu_entries_get_end() * glui->line_height
- height + header_height * 2;
if (menu->scroll_y > bottom)
menu->scroll_y = bottom;
if (menu_entries_get_end() * glui->line_height
< height - header_height*2)
menu->scroll_y = 0;
if (menu_entries_get_end() < height / glui->line_height)
menu_entries_set_start(0);
else
menu_entries_set_start(menu->scroll_y / glui->line_height);
}