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[StGroup] Respect CSS sizing in size requests

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Currently the size of an StGroup depends exclusively on the group's
children - it should be possible to override this behaviour with
fixed values in the CSS.

https://bugzilla.gnome.org/show_bug.cgi?id=613907
This commit is contained in:
Florian Müllner 2010-05-14 16:07:19 +02:00
parent ea3b2a5707
commit f0645d468c
1 changed files with 64 additions and 30 deletions
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94
src/st/st-group.c
View File

@ -76,16 +76,23 @@ st_group_pick (ClutterActor *actor,
static void
st_group_get_preferred_width (ClutterActor *actor,
gfloat for_height,
gfloat *min_width,
gfloat *natural_width)
gfloat *min_width_p,
gfloat *natural_width_p)
{
StThemeNode *node = st_widget_get_theme_node (ST_WIDGET (actor));
gdouble min_width, natural_width;
gint css_width, css_min_width, css_max_width;
GList *l, *children;
gdouble min_right, natural_right;
css_width = st_theme_node_get_width (node);
css_min_width = st_theme_node_get_min_width (node);
css_max_width = st_theme_node_get_max_width (node);
/* We will always be at least 0 sized (ie, if all of the actors are
to the left of the origin we won't return a negative size) */
min_right = 0;
natural_right = 0;
* to the left of the origin we won't return a negative size)
*/
min_width = 0;
natural_width = 0;
children = st_container_get_children_list (ST_CONTAINER (actor));
@ -101,35 +108,52 @@ st_group_get_preferred_width (ClutterActor *actor,
&child_min, &child_nat);
/* Track the rightmost edge */
if (child_x + child_min > min_right)
min_right = child_x + child_min;
if (child_x + child_min > min_width)
min_width = child_x + child_min;
if (child_x + child_nat > natural_right)
natural_right = child_x + child_nat;
if (child_x + child_nat > natural_width)
natural_width = child_x + child_nat;
}
/* The size is defined as the distance from the origin to the right-hand
edge of the rightmost actor */
if (min_width)
*min_width = min_right;
* edge of the rightmost actor, unless overridden with min-width
*/
if (min_width_p)
{
if (css_min_width != -1)
*min_width_p = css_min_width;
else
*min_width_p = min_width;
}
if (natural_width)
*natural_width = natural_right;
if (natural_width_p)
{
if (css_width != -1)
natural_width = css_width;
*natural_width_p = MIN (natural_width, css_max_width);
}
}
static void
st_group_get_preferred_height (ClutterActor *actor,
gfloat for_width,
gfloat *min_height,
gfloat *natural_height)
gfloat *min_height_p,
gfloat *natural_height_p)
{
StThemeNode *node = st_widget_get_theme_node (ST_WIDGET (actor));
gdouble min_height, natural_height;
gint css_height, css_min_height, css_max_height;
GList *l, *children;
gdouble min_bottom, natural_bottom;
css_height = st_theme_node_get_height (node);
css_min_height = st_theme_node_get_min_height (node);
css_max_height = st_theme_node_get_max_height (node);
/* We will always be at least 0 sized (ie, if all of the actors are
above of the origin we won't return a negative size) */
min_bottom = 0;
natural_bottom = 0;
* above of the origin we won't return a negative size)
*/
min_height = 0;
natural_height = 0;
children = st_container_get_children_list (ST_CONTAINER (actor));
@ -145,20 +169,30 @@ st_group_get_preferred_height (ClutterActor *actor,
&child_min, &child_nat);
/* Track the bottommost edge */
if (child_y + child_min > min_bottom)
min_bottom = child_y + child_min;
if (child_y + child_min > min_height)
min_height = child_y + child_min;
if (child_y + child_nat > natural_bottom)
natural_bottom = child_y + child_nat;
if (child_y + child_nat > natural_height)
natural_height = child_y + child_nat;
}
/* The size is defined as the distance from the origin to the right-hand
edge of the rightmost actor */
if (min_height)
*min_height = min_bottom;
* edge of the rightmost actor, unless overridden with min-height
*/
if (min_height_p)
{
if (css_min_height != -1)
*min_height_p = css_min_height;
else
*min_height_p = min_height;
}
if (natural_height)
*natural_height = natural_bottom;
if (natural_height_p)
{
if (css_height != -1)
natural_height = css_height;
*natural_height_p = MIN (natural_height, css_max_height);
}
}
static void