static void
_gtk_theming_background_init_context (GtkThemingBackground *bg,
double width,
double height,
GtkJunctionSides junction)
{
GtkStateFlags flags = gtk_style_context_get_state (bg->context);
GtkBorder border, padding;
gtk_style_context_get_border (bg->context, flags, &border);
gtk_style_context_get_padding (bg->context, flags, &padding);
/* In the CSS box model, by default the background positioning area is
* the padding-box, i.e. all the border-box minus the borders themselves,
* which determines also its default size, see
* http://dev.w3.org/csswg/css3-background/#background-origin
*
* In the future we might want to support different origins or clips, but
* right now we just shrink to the default.
*/
_gtk_rounded_box_init_rect (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], 0, 0, width, height);
_gtk_rounded_box_apply_border_radius_for_context (&bg->boxes[GTK_CSS_AREA_BORDER_BOX], bg->context, junction);
bg->boxes[GTK_CSS_AREA_PADDING_BOX] = bg->boxes[GTK_CSS_AREA_BORDER_BOX];
_gtk_rounded_box_shrink (&bg->boxes[GTK_CSS_AREA_PADDING_BOX],
border.top, border.right,
border.bottom, border.left);
bg->boxes[GTK_CSS_AREA_CONTENT_BOX] = bg->boxes[GTK_CSS_AREA_PADDING_BOX];
_gtk_rounded_box_shrink (&bg->boxes[GTK_CSS_AREA_CONTENT_BOX],
padding.top, padding.right,
padding.bottom, padding.left);
}
static void
_gtk_theming_background_init_context (GtkThemingBackground *bg)
{
bg->flags = gtk_style_context_get_state (bg->context);
gtk_style_context_get_border (bg->context, bg->flags, &bg->border);
gtk_style_context_get_padding (bg->context, bg->flags, &bg->padding);
gtk_style_context_get_background_color (bg->context, bg->flags, &bg->bg_color);
/* In the CSS box model, by default the background positioning area is
* the padding-box, i.e. all the border-box minus the borders themselves,
* which determines also its default size, see
* http://dev.w3.org/csswg/css3-background/#background-origin
*
* In the future we might want to support different origins or clips, but
* right now we just shrink to the default.
*/
_gtk_rounded_box_init_rect (&bg->border_box, 0, 0, bg->paint_area.width, bg->paint_area.height);
_gtk_rounded_box_apply_border_radius_for_context (&bg->border_box, bg->context, bg->junction);
bg->padding_box = bg->border_box;
_gtk_rounded_box_shrink (&bg->padding_box,
bg->border.top, bg->border.right,
bg->border.bottom, bg->border.left);
}
