/* Construct a new box widget using PATTERN to find the pixmap files for it,
storing the new widget at *BOXPTR. PATTERN should be of the form:
"somewhere/style*.png". The '*' then gets substituted with the various
pixmap names that the widget uses.
Important! The value of *BOXPTR must be initialized! It must either
(1) Be 0 (a NULL pointer), or
(2) Be a pointer to a valid 'grub_gfxmenu_box_t' instance.
In this case, the previous instance is destroyed. */
grub_err_t
grub_gui_recreate_box (grub_gfxmenu_box_t *boxptr,
const char *pattern, const char *theme_dir)
{
char *abspattern;
/* Check arguments. */
if (! pattern)
{
/* If no pixmap pattern is given, then just create an empty box. */
if (*boxptr)
(*boxptr)->destroy (*boxptr);
*boxptr = grub_gfxmenu_create_box (0, 0);
return grub_errno;
}
if (! theme_dir)
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"styled box missing theme directory");
/* Resolve to an absolute path. */
abspattern = grub_resolve_relative_path (theme_dir, pattern);
if (! abspattern)
return grub_errno;
/* Create the box. */
recreate_box_absolute (boxptr, abspattern);
grub_free (abspattern);
return grub_errno;
}
/* Get the icon for the specified class CLASS_NAME. If an icon for
CLASS_NAME already exists in the cache, then a reference to the cached
bitmap is returned. If it is not cached, then it is loaded and cached.
If no icon could be could for CLASS_NAME, then 0 is returned. */
static struct grub_video_bitmap *
get_icon_by_class (grub_gfxmenu_icon_manager_t mgr, const char *class_name)
{
/* First check the icon cache. */
icon_entry_t entry;
for (entry = mgr->cache.next; entry; entry = entry->next)
{
if (grub_strcmp (entry->class_name, class_name) == 0)
return entry->bitmap;
}
if (! mgr->theme_path)
return 0;
/* Otherwise, we search for an icon to load. */
char *theme_dir = grub_get_dirname (mgr->theme_path);
char *icons_dir;
struct grub_video_bitmap *icon;
icon = 0;
/* First try the theme's own icons, from "grub/themes/NAME/icons/" */
icons_dir = grub_resolve_relative_path (theme_dir, "icons/");
if (icons_dir)
{
icon = try_loading_icon (mgr, icons_dir, class_name);
grub_free (icons_dir);
}
grub_free (theme_dir);
if (! icon)
{
const char *icondir;
icondir = grub_env_get ("icondir");
if (icondir)
icon = try_loading_icon (mgr, icondir, class_name);
}
/* No icon was found. */
/* This should probably be noted in the cache, so that a search is not
performed each time an icon for CLASS_NAME is requested. */
if (! icon)
return 0;
/* Insert a new cache entry for this icon. */
entry = grub_malloc (sizeof (*entry));
if (! entry)
{
grub_video_bitmap_destroy (icon);
return 0;
}
entry->class_name = grub_strdup (class_name);
entry->bitmap = icon;
entry->next = mgr->cache.next;
mgr->cache.next = entry; /* Link it into the cache. */
return entry->bitmap;
}
/* Set the specified property NAME on the view to the given string VALUE.
The caller is responsible for the lifetimes of NAME and VALUE. */
static grub_err_t
theme_set_string (grub_gfxmenu_view_t view,
const char *name,
const char *value,
const char *theme_dir,
const char *filename,
int line_num,
int col_num)
{
if (! grub_strcmp ("title-font", name))
view->title_font = grub_font_get (value);
else if (! grub_strcmp ("message-font", name))
view->message_font = grub_font_get (value);
else if (! grub_strcmp ("terminal-font", name))
{
grub_free (view->terminal_font_name);
view->terminal_font_name = grub_strdup (value);
if (! view->terminal_font_name)
return grub_errno;
}
else if (! grub_strcmp ("title-color", name))
grub_video_parse_color (value, &view->title_color);
else if (! grub_strcmp ("message-color", name))
grub_video_parse_color (value, &view->message_color);
else if (! grub_strcmp ("message-bg-color", name))
grub_video_parse_color (value, &view->message_bg_color);
else if (! grub_strcmp ("desktop-image", name))
{
struct grub_video_bitmap *raw_bitmap;
char *path;
path = grub_resolve_relative_path (theme_dir, value);
if (! path)
return grub_errno;
if (grub_video_bitmap_load (&raw_bitmap, path) != GRUB_ERR_NONE)
{
grub_free (path);
return grub_errno;
}
grub_free(path);
grub_video_bitmap_destroy (view->raw_desktop_image);
view->raw_desktop_image = raw_bitmap;
}
else if (! grub_strcmp ("desktop-image-scale-method", name))
{
if (! value || ! grub_strcmp ("stretch", value))
view->desktop_image_scale_method =
GRUB_VIDEO_BITMAP_SELECTION_METHOD_STRETCH;
else if (! grub_strcmp ("crop", value))
view->desktop_image_scale_method =
GRUB_VIDEO_BITMAP_SELECTION_METHOD_CROP;
else if (! grub_strcmp ("padding", value))
view->desktop_image_scale_method =
GRUB_VIDEO_BITMAP_SELECTION_METHOD_PADDING;
else if (! grub_strcmp ("fitwidth", value))
view->desktop_image_scale_method =
GRUB_VIDEO_BITMAP_SELECTION_METHOD_FITWIDTH;
else if (! grub_strcmp ("fitheight", value))
view->desktop_image_scale_method =
GRUB_VIDEO_BITMAP_SELECTION_METHOD_FITHEIGHT;
else
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"Unsupported scale method: %s",
value);
}
else if (! grub_strcmp ("desktop-image-h-align", name))
{
if (! grub_strcmp ("left", value))
view->desktop_image_h_align = GRUB_VIDEO_BITMAP_H_ALIGN_LEFT;
else if (! grub_strcmp ("center", value))
view->desktop_image_h_align = GRUB_VIDEO_BITMAP_H_ALIGN_CENTER;
else if (! grub_strcmp ("right", value))
view->desktop_image_h_align = GRUB_VIDEO_BITMAP_H_ALIGN_RIGHT;
else
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"Unsupported horizontal align method: %s",
value);
}
else if (! grub_strcmp ("desktop-image-v-align", name))
{
if (! grub_strcmp ("top", value))
view->desktop_image_v_align = GRUB_VIDEO_BITMAP_V_ALIGN_TOP;
else if (! grub_strcmp ("center", value))
view->desktop_image_v_align = GRUB_VIDEO_BITMAP_V_ALIGN_CENTER;
else if (! grub_strcmp ("bottom", value))
view->desktop_image_v_align = GRUB_VIDEO_BITMAP_V_ALIGN_BOTTOM;
else
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"Unsupported vertical align method: %s",
value);
}
else if (! grub_strcmp ("desktop-color", name))
grub_video_parse_color (value, &view->desktop_color);
else if (! grub_strcmp ("terminal-box", name))
{
grub_err_t err;
err = grub_gui_recreate_box (&view->terminal_box, value, theme_dir);
if (err != GRUB_ERR_NONE)
return err;
}
else if (! grub_strcmp ("terminal-border", name))
{
view->terminal_border = grub_strtoul (value, 0, 10);
if (grub_errno)
return grub_errno;
}
else if (! grub_strcmp ("terminal-left", name))
{
unsigned int tmp;
int err = theme_get_unsigned_int_from_proportional (value,
view->screen.width,
&tmp);
if (err != GRUB_ERR_NONE)
return err;
view->terminal_rect.x = tmp;
}
else if (! grub_strcmp ("terminal-top", name))
{
unsigned int tmp;
int err = theme_get_unsigned_int_from_proportional (value,
view->screen.height,
&tmp);
if (err != GRUB_ERR_NONE)
return err;
view->terminal_rect.y = tmp;
}
else if (! grub_strcmp ("terminal-width", name))
{
unsigned int tmp;
int err = theme_get_unsigned_int_from_proportional (value,
view->screen.width,
&tmp);
if (err != GRUB_ERR_NONE)
return err;
view->terminal_rect.width = tmp;
}
else if (! grub_strcmp ("terminal-height", name))
{
unsigned int tmp;
int err = theme_get_unsigned_int_from_proportional (value,
view->screen.height,
&tmp);
if (err != GRUB_ERR_NONE)
return err;
view->terminal_rect.height = tmp;
}
else if (! grub_strcmp ("title-text", name))
{
grub_free (view->title_text);
view->title_text = grub_strdup (value);
if (! view->title_text)
return grub_errno;
}
else
{
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"%s:%d:%d unknown property `%s'",
filename, line_num, col_num, name);
}
return grub_errno;
}
