2N/A

2N/A#include <grub/mm.h>

2N/A#include <grub/misc.h>

2N/A#include <grub/gui.h>

2N/A#include <grub/font.h>

2N/A#include <grub/gui_string_util.h>

2N/A#include <grub/gfxmenu_view.h>

2N/A#include <grub/gfxwidgets.h>

2N/A#include <grub/trig.h>

2N/A

2N/Astruct grub_gui_circular_progress

2N/A{

2N/A struct grub_gui_progress progress;

2N/A

2N/A grub_gui_container_t parent;

2N/A grub_video_rect_t bounds;

2N/A char *id;

2N/A int visible;

2N/A int start;

2N/A int end;

2N/A int value;

2N/A int num_ticks;

2N/A int start_angle;

2N/A int ticks_disappear;

2N/A char *theme_dir;

2N/A int need_to_load_pixmaps;

2N/A char *center_file;

2N/A char *tick_file;

2N/A struct grub_video_bitmap *center_bitmap;

2N/A struct grub_video_bitmap *tick_bitmap;

2N/A};

2N/A

2N/Atypedef struct grub_gui_circular_progress *circular_progress_t;

2N/A

2N/Astatic void

2N/Acircprog_destroy (void *vself)

2N/A{

2N/A circular_progress_t self = vself;

2N/A grub_gfxmenu_timeout_unregister ((grub_gui_component_t) self);

2N/A grub_free (self);

2N/A}

2N/A

2N/Astatic const char *

2N/Acircprog_get_id (void *vself)

2N/A{

2N/A circular_progress_t self = vself;

2N/A return self->id;

2N/A}

2N/A

2N/Astatic int

2N/Acircprog_is_instance (void *vself __attribute__((unused)), const char *type)

2N/A{

2N/A return grub_strcmp (type, "component") == 0;

2N/A}

2N/A

2N/Astatic struct grub_video_bitmap *

2N/Aload_bitmap (const char *dir, const char *file)

2N/A{

2N/A struct grub_video_bitmap *bitmap;

2N/A char *abspath;

2N/A

2N/A /* Check arguments. */

2N/A if (! dir || ! file)

2N/A return 0;

2N/A

2N/A /* Resolve to an absolute path. */

2N/A abspath = grub_resolve_relative_path (dir, file);

2N/A if (! abspath)

2N/A return 0;

2N/A

2N/A /* Load the image. */

2N/A grub_errno = GRUB_ERR_NONE;

2N/A grub_video_bitmap_load (&bitmap, abspath);

2N/A grub_errno = GRUB_ERR_NONE;

2N/A

2N/A grub_free (abspath);

2N/A return bitmap;

2N/A}

2N/A

2N/Astatic int

2N/Acheck_pixmaps (circular_progress_t self)

2N/A{

2N/A if (self->need_to_load_pixmaps)

2N/A {

2N/A if (self->center_bitmap)

2N/A grub_video_bitmap_destroy (self->center_bitmap);

2N/A self->center_bitmap = load_bitmap (self->theme_dir, self->center_file);

2N/A self->tick_bitmap = load_bitmap (self->theme_dir, self->tick_file);

2N/A self->need_to_load_pixmaps = 0;

2N/A }

2N/A

2N/A return (self->center_bitmap != 0 && self->tick_bitmap != 0);

2N/A}

2N/A

2N/Astatic void

2N/Acircprog_paint (void *vself, const grub_video_rect_t *region)

2N/A{

2N/A circular_progress_t self = vself;

2N/A

2N/A if (! self->visible)

2N/A return;

2N/A

2N/A if (!grub_video_have_common_points (region, &self->bounds))

2N/A return;

2N/A

2N/A if (! check_pixmaps (self))

2N/A return;

2N/A

2N/A grub_video_rect_t vpsave;

2N/A grub_gui_set_viewport (&self->bounds, &vpsave);

2N/A

2N/A int width = self->bounds.width;

2N/A int height = self->bounds.height;

2N/A int center_width = grub_video_bitmap_get_width (self->center_bitmap);

2N/A int center_height = grub_video_bitmap_get_height (self->center_bitmap);

2N/A int tick_width = grub_video_bitmap_get_width (self->tick_bitmap);

2N/A int tick_height = grub_video_bitmap_get_height (self->tick_bitmap);

2N/A grub_video_blit_bitmap (self->center_bitmap, GRUB_VIDEO_BLIT_BLEND,

2N/A (width - center_width) / 2,

2N/A (height - center_height) / 2, 0, 0,

2N/A center_width, center_height);

2N/A

2N/A int radius = width / 2 - tick_width / 2 - 1;

2N/A int nticks;

2N/A int tick_begin;

2N/A int tick_end;

2N/A if (self->end == self->start)

2N/A nticks = 0;

2N/A else

2N/A nticks = (self->num_ticks

2N/A * (self->value - self->start)

2N/A / (self->end - self->start));

2N/A /* Do ticks appear or disappear as the value approached the end? */

2N/A if (self->ticks_disappear)

2N/A {

2N/A tick_begin = nticks;

2N/A tick_end = self->num_ticks - 1;

2N/A }

2N/A else

2N/A {

2N/A tick_begin = 0;

2N/A tick_end = nticks - 1;

2N/A }

2N/A

2N/A int i;

2N/A for (i = tick_begin; i < tick_end; i++)

2N/A {

2N/A int x;

2N/A int y;

2N/A int angle;

2N/A

2N/A /* Calculate the location of the tick. */

2N/A angle = self->start_angle + i * GRUB_TRIG_ANGLE_MAX / self->num_ticks;

2N/A x = width / 2 + (grub_cos (angle) * radius / GRUB_TRIG_FRACTION_SCALE);

2N/A y = height / 2 + (grub_sin (angle) * radius / GRUB_TRIG_FRACTION_SCALE);

2N/A

2N/A /* Adjust (x,y) so the tick is centered. */

2N/A x -= tick_width / 2;

2N/A y -= tick_height / 2;

2N/A

2N/A /* Draw the tick. */

2N/A grub_video_blit_bitmap (self->tick_bitmap, GRUB_VIDEO_BLIT_BLEND,

2N/A x, y, 0, 0, tick_width, tick_height);

2N/A }

2N/A

2N/A grub_gui_restore_viewport (&vpsave);

2N/A}

2N/A

2N/Astatic void

2N/Acircprog_set_parent (void *vself, grub_gui_container_t parent)

2N/A{

2N/A circular_progress_t self = vself;

2N/A self->parent = parent;

2N/A}

2N/A

2N/Astatic grub_gui_container_t

2N/Acircprog_get_parent (void *vself)

2N/A{

2N/A circular_progress_t self = vself;

2N/A return self->parent;

2N/A}

2N/A

2N/Astatic void

2N/Acircprog_set_bounds (void *vself, const grub_video_rect_t *bounds)

2N/A{

2N/A circular_progress_t self = vself;

2N/A self->bounds = *bounds;

2N/A}

2N/A

2N/Astatic void

2N/Acircprog_get_bounds (void *vself, grub_video_rect_t *bounds)

2N/A{

2N/A circular_progress_t self = vself;

2N/A *bounds = self->bounds;

2N/A}

2N/A

2N/Astatic void

2N/Acircprog_set_state (void *vself, int visible, int start,

2N/A int current, int end)

2N/A{

2N/A circular_progress_t self = vself;

2N/A self->visible = visible;

2N/A self->start = start;

2N/A self->value = current;

2N/A self->end = end;

2N/A}

2N/A

2N/Astatic grub_err_t

2N/Acircprog_set_property (void *vself, const char *name, const char *value)

2N/A{

2N/A circular_progress_t self = vself;

2N/A if (grub_strcmp (name, "num_ticks") == 0)

2N/A {

2N/A self->num_ticks = grub_strtol (value, 0, 10);

2N/A }

2N/A else if (grub_strcmp (name, "start_angle") == 0)

2N/A {

2N/A self->start_angle = grub_strtol (value, 0, 10);

2N/A }

2N/A else if (grub_strcmp (name, "ticks_disappear") == 0)

2N/A {

2N/A self->ticks_disappear = grub_strcmp (value, "false") != 0;

2N/A }

2N/A else if (grub_strcmp (name, "center_bitmap") == 0)

2N/A {

2N/A self->need_to_load_pixmaps = 1;

2N/A grub_free (self->center_file);

2N/A self->center_file = value ? grub_strdup (value) : 0;

2N/A }

2N/A else if (grub_strcmp (name, "tick_bitmap") == 0)

2N/A {

2N/A self->need_to_load_pixmaps = 1;

2N/A grub_free (self->tick_file);

2N/A self->tick_file = value ? grub_strdup (value) : 0;

2N/A }

2N/A else if (grub_strcmp (name, "theme_dir") == 0)

2N/A {

2N/A self->need_to_load_pixmaps = 1;

2N/A grub_free (self->theme_dir);

2N/A self->theme_dir = value ? grub_strdup (value) : 0;

2N/A }

2N/A else if (grub_strcmp (name, "id") == 0)

2N/A {

2N/A grub_gfxmenu_timeout_unregister ((grub_gui_component_t) self);

2N/A grub_free (self->id);

2N/A if (value)

2N/A self->id = grub_strdup (value);

2N/A else

2N/A self->id = 0;

2N/A if (self->id && grub_strcmp (self->id, GRUB_GFXMENU_TIMEOUT_COMPONENT_ID)

2N/A == 0)

2N/A grub_gfxmenu_timeout_register ((grub_gui_component_t) self,

2N/A circprog_set_state);

2N/A }

2N/A return grub_errno;

2N/A}

2N/A

2N/Astatic struct grub_gui_component_ops circprog_ops =

2N/A{

2N/A .destroy = circprog_destroy,

2N/A .get_id = circprog_get_id,

2N/A .is_instance = circprog_is_instance,

2N/A .paint = circprog_paint,

2N/A .set_parent = circprog_set_parent,

2N/A .get_parent = circprog_get_parent,

2N/A .set_bounds = circprog_set_bounds,

2N/A .get_bounds = circprog_get_bounds,

2N/A .set_property = circprog_set_property

2N/A};

2N/A

2N/Astatic struct grub_gui_progress_ops circprog_prog_ops =

2N/A {

2N/A .set_state = circprog_set_state

2N/A };

2N/A

2N/Agrub_gui_circular_progress_new (void)

2N/A{

2N/A circular_progress_t self;

2N/A self = grub_zalloc (sizeof (*self));

2N/A if (! self)

2N/A return 0;

2N/A self->progress.ops = &circprog_prog_ops;

2N/A self->progress.component.ops = &circprog_ops;

2N/A self->visible = 1;

2N/A self->num_ticks = 64;

2N/A self->start_angle = -64;

2N/A

2N/A return (grub_gui_component_t) self;

2N/A}