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Make button boxes semi-homogeneous

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If a child is too large (> 1.5 the average), let it have its own
size. The old behaviour of fully homogeneous button boxes can still
be had by setting the homogeneous property to TRUE. Bug 84188.
This commit is contained in:
Matthias Clasen 2010-08-22 00:30:31 -04:00
parent df5ade16ab
commit fe1a39b1f2
1 changed files with 198 additions and 120 deletions
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308
gtk/gtkbbox.c
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@ -394,14 +394,15 @@ gtk_button_box_set_child_secondary (GtkButtonBox *widget,
}
/* Ask children how much space they require and round up
to match minimum size and internal padding.
Returns the size each single child should have. */
* to match minimum size and internal padding.
* Returns the size each single child should have.
*/
static void
_gtk_button_box_child_requisition (GtkWidget *widget,
int *nvis_children,
int *nvis_secondaries,
int *width,
int *height)
gtk_button_box_child_requisition (GtkWidget *widget,
gint *nvis_children,
gint *nvis_secondaries,
gint **widths,
gint **heights)
{
GtkButtonBoxPriv *priv;
GtkButtonBox *bbox;
@ -410,6 +411,7 @@ _gtk_button_box_child_requisition (GtkWidget *widget,
gint nsecondaries;
gint needed_width;
gint needed_height;
gint avg_w, avg_h;
GtkRequisition child_requisition;
gint ipad_w;
gint ipad_h;
@ -417,12 +419,16 @@ _gtk_button_box_child_requisition (GtkWidget *widget,
gint child_min_height;
gint ipad_x;
gint ipad_y;
gboolean homogeneous;
gint i;
g_return_if_fail (GTK_IS_BUTTON_BOX (widget));
bbox = GTK_BUTTON_BOX (widget);
priv = bbox->priv;
homogeneous = gtk_box_get_homogeneous (GTK_BOX (widget));
gtk_widget_style_get (widget,
"child-min-width", &child_min_width,
"child-min-height", &child_min_height,
@ -438,6 +444,30 @@ _gtk_button_box_child_requisition (GtkWidget *widget,
ipad_w = ipad_x * 2;
ipad_h = ipad_y * 2;
avg_w = avg_h = 0;
while (children)
{
GtkWidget *child;
child = children->data;
children = children->next;
if (gtk_widget_get_visible (child))
{
nchildren += 1;
gtk_widget_size_request (child, &child_requisition);
avg_w += child_requisition.width + ipad_w;
avg_h += child_requisition.height + ipad_h;
}
}
avg_w /= nchildren;
avg_h /= nchildren;
*widths = g_new (gint, nchildren);
*heights = g_new (gint, nchildren);
i = 0;
children = list;
while (children)
{
GtkWidget *child;
@ -446,32 +476,59 @@ _gtk_button_box_child_requisition (GtkWidget *widget,
child = children->data;
children = children->next;
is_secondary = gtk_button_box_get_child_secondary (bbox, child);
if (gtk_widget_get_visible (child))
{
nchildren += 1;
gtk_widget_size_request (child, &child_requisition);
if (child_requisition.width + ipad_w > needed_width)
needed_width = child_requisition.width + ipad_w;
if (child_requisition.height + ipad_h > needed_height)
needed_height = child_requisition.height + ipad_h;
is_secondary = gtk_button_box_get_child_secondary (bbox, child);
if (is_secondary)
nsecondaries++;
gtk_widget_get_child_requisition (child, &child_requisition);
if (homogeneous ||
(child_requisition.width + ipad_w < avg_w * 1.5)) /* &&
child_requisition.width + ipad_w > avg_w / 1.5)) */
{
(*widths)[i] = -1;
if (child_requisition.width + ipad_w > needed_width)
needed_width = child_requisition.width + ipad_w;
}
else
{
(*widths)[i] = child_requisition.width + ipad_w;
}
if (homogeneous ||
(child_requisition.height + ipad_h < avg_h * 1.5)) /* &&
child_requisition.height + ipad_h > avg_h / 1.5)) */
{
(*heights)[i] = -1;
if (child_requisition.height + ipad_h > needed_height)
needed_height = child_requisition.height + ipad_h;
}
else
{
(*heights)[i] = child_requisition.height + ipad_h;
}
i++;
}
}
g_list_free (list);
for (i = 0; i < nchildren; i++)
{
if ((*widths)[i] == -1)
(*widths)[i] = needed_width;
if ((*heights)[i] == -1)
(*heights)[i] = needed_height;
}
if (nvis_children)
*nvis_children = nchildren;
if (nvis_secondaries)
*nvis_secondaries = nsecondaries;
if (width)
*width = needed_width;
if (height)
*height = needed_height;
}
static void
@ -479,27 +536,45 @@ gtk_button_box_size_request (GtkWidget *widget,
GtkRequisition *requisition)
{
GtkButtonBoxPriv *priv;
GtkBox *box;
GtkButtonBox *bbox;
gint nvis_children;
gint child_width;
gint child_height;
gint max_size;
gint total_size;
gint spacing;
guint border_width;
GtkOrientation orientation;
gint *widths;
gint *heights;
gint i;
box = GTK_BOX (widget);
bbox = GTK_BUTTON_BOX (widget);
priv = bbox->priv;
orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (widget));
spacing = gtk_box_get_spacing (box);
spacing = gtk_box_get_spacing (GTK_BOX (widget));
_gtk_button_box_child_requisition (widget,
gtk_button_box_child_requisition (widget,
&nvis_children,
NULL,
&child_width,
&child_height);
&widths, &heights);
max_size = 0;
total_size = 0;
for (i = 0; i < nvis_children; i++)
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
total_size += widths[i];
max_size = MAX (max_size, heights[i]);
}
else
{
total_size += heights[i];
max_size = MAX (max_size, widths[i]);
}
}
g_free (widths);
g_free (heights);
if (nvis_children == 0)
{
@ -512,11 +587,9 @@ gtk_button_box_size_request (GtkWidget *widget,
{
case GTK_BUTTONBOX_SPREAD:
if (orientation == GTK_ORIENTATION_HORIZONTAL)
requisition->width =
nvis_children*child_width + ((nvis_children+1)*spacing);
requisition->width = total_size + ((nvis_children + 1)*spacing);
else
requisition->height =
nvis_children*child_height + ((nvis_children+1)*spacing);
requisition->height = total_size + ((nvis_children + 1)*spacing);
break;
case GTK_BUTTONBOX_EDGE:
@ -524,11 +597,9 @@ gtk_button_box_size_request (GtkWidget *widget,
case GTK_BUTTONBOX_END:
case GTK_BUTTONBOX_CENTER:
if (orientation == GTK_ORIENTATION_HORIZONTAL)
requisition->width =
nvis_children*child_width + ((nvis_children-1)*spacing);
requisition->width = total_size + ((nvis_children - 1)*spacing);
else
requisition->height =
nvis_children*child_height + ((nvis_children-1)*spacing);
requisition->height = total_size + ((nvis_children - 1)*spacing);
break;
default:
@ -537,12 +608,12 @@ gtk_button_box_size_request (GtkWidget *widget,
}
if (orientation == GTK_ORIENTATION_HORIZONTAL)
requisition->height = child_height;
requisition->height = max_size;
else
requisition->width = child_width;
requisition->width = max_size;
}
border_width = gtk_container_get_border_width (GTK_CONTAINER (box));
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
requisition->width += border_width * 2;
requisition->height += border_width * 2;
}
@ -552,38 +623,74 @@ gtk_button_box_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkButtonBoxPriv *priv;
GtkBox *base_box;
GtkButtonBox *box;
GtkButtonBox *bbox;
GList *children, *list;
GtkAllocation child_allocation;
gint nvis_children;
gint n_primaries;
gint n_secondaries;
gint child_width;
gint child_height;
gint x = 0;
gint y = 0;
gint secondary_x = 0;
gint secondary_y = 0;
gint width = 0;
gint height = 0;
gint childspace;
gint childspacing = 0;
gint spacing;
guint border_width;
GtkOrientation orientation;
gint ipad_x, ipad_y;
gint *widths;
gint *heights;
gint *sizes;
gint primary_size;
gint secondary_size;
gint total_size;
gint i;
base_box = GTK_BOX (widget);
box = GTK_BUTTON_BOX (widget);
priv = box->priv;
bbox = GTK_BUTTON_BOX (widget);
priv = bbox->priv;
border_width = gtk_container_get_border_width (GTK_CONTAINER (box));
border_width = gtk_container_get_border_width (GTK_CONTAINER (widget));
orientation = gtk_orientable_get_orientation (GTK_ORIENTABLE (widget));
spacing = gtk_box_get_spacing (base_box);
_gtk_button_box_child_requisition (widget,
spacing = gtk_box_get_spacing (GTK_BOX (widget));
gtk_widget_style_get (widget,
"child-internal-pad-x", &ipad_x,
"child-internal-pad-y", &ipad_y,
NULL);
gtk_button_box_child_requisition (widget,
&nvis_children,
&n_secondaries,
&child_width,
&child_height);
&widths, &heights);
n_primaries = nvis_children - n_secondaries;
primary_size = 0;
secondary_size = 0;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
sizes = widths;
else
sizes = heights;
i = 0;
list = children = _gtk_box_get_children (GTK_BOX (widget));
while (children)
{
GtkWidget *child;
child = children->data;
children = children->next;
if (gtk_widget_get_visible (child))
{
if (gtk_button_box_get_child_secondary (bbox, child))
secondary_size += sizes[i];
else
primary_size += sizes[i];
i++;
}
}
total_size = primary_size + secondary_size;
widget->allocation = *allocation;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
@ -597,19 +704,15 @@ gtk_button_box_size_allocate (GtkWidget *widget,
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
childspacing = (width - (nvis_children * child_width))
/ (nvis_children + 1);
childspacing = (width - total_size) / (nvis_children + 1);
x = allocation->x + border_width + childspacing;
secondary_x = x + ((nvis_children - n_secondaries)
* (child_width + childspacing));
secondary_x = x + primary_size + n_primaries * childspacing;
}
else
{
childspacing = (height - (nvis_children * child_height))
/ (nvis_children + 1);
childspacing = (height - total_size) / (nvis_children + 1);
y = allocation->y + border_width + childspacing;
secondary_y = y + ((nvis_children - n_secondaries)
* (child_height + childspacing));
secondary_y = y + primary_size + n_primaries * childspacing;
}
break;
@ -620,36 +723,32 @@ gtk_button_box_size_allocate (GtkWidget *widget,
{
if (nvis_children >= 2)
{
childspacing = (width - (nvis_children * child_width))
/ (nvis_children - 1);
childspacing = (width - total_size) / (nvis_children - 1);
x = allocation->x + border_width;
secondary_x = x + ((nvis_children - n_secondaries)
* (child_width + childspacing));
secondary_x = x + primary_size + n_primaries * childspacing;
}
else
{
/* one or zero children, just center */
childspacing = width;
x = secondary_x = allocation->x
+ (allocation->width - child_width) / 2;
+ (allocation->width - widths[0]) / 2;
}
}
else
{
if (nvis_children >= 2)
{
childspacing = (height - (nvis_children*child_height))
/ (nvis_children-1);
childspacing = (height - total_size) / (nvis_children - 1);
y = allocation->y + border_width;
secondary_y = y + ((nvis_children - n_secondaries)
* (child_height + childspacing));
secondary_y = y + primary_size + n_primaries * childspacing;
}
else
{
/* one or zero children, just center */
childspacing = height;
y = secondary_y = allocation->y
+ (allocation->height - child_height) / 2;
+ (allocation->height - heights[0]) / 2;
}
}
@ -662,18 +761,14 @@ gtk_button_box_size_allocate (GtkWidget *widget,
childspacing = spacing;
x = allocation->x + border_width;
secondary_x = allocation->x + allocation->width
- child_width * n_secondaries
- spacing * (n_secondaries - 1)
- border_width;
- secondary_size - spacing * (n_secondaries - 1) - border_width;
}
else
{
childspacing = spacing;
y = allocation->y + border_width;
secondary_y = allocation->y + allocation->height
- child_height * n_secondaries
- spacing * (n_secondaries - 1)
- border_width;
- secondary_size - spacing * (n_secondaries - 1) - border_width;
}
break;
@ -684,18 +779,14 @@ gtk_button_box_size_allocate (GtkWidget *widget,
{
childspacing = spacing;
x = allocation->x + allocation->width
- child_width * (nvis_children - n_secondaries)
- spacing * (nvis_children - n_secondaries - 1)
- border_width;
- primary_size - spacing * (n_primaries - 1) - border_width;
secondary_x = allocation->x + border_width;
}
else
{
childspacing = spacing;
y = allocation->y + allocation->height
- child_height * (nvis_children - n_secondaries)
- spacing * (nvis_children - n_secondaries - 1)
- border_width;
- primary_size - spacing * (n_primaries - 1) - border_width;
secondary_y = allocation->y + border_width;
}
@ -708,9 +799,8 @@ gtk_button_box_size_allocate (GtkWidget *widget,
childspacing = spacing;
x = allocation->x +
(allocation->width
- (child_width * (nvis_children - n_secondaries)
+ spacing * (nvis_children - n_secondaries - 1))) / 2
+ (n_secondaries * child_width + n_secondaries * spacing) / 2;
- (primary_size + spacing * (n_primaries - 1))) / 2
+ (secondary_size + n_secondaries * spacing) / 2;
secondary_x = allocation->x + border_width;
}
else
@ -718,9 +808,8 @@ gtk_button_box_size_allocate (GtkWidget *widget,
childspacing = spacing;
y = allocation->y +
(allocation->height
- (child_height * (nvis_children - n_secondaries)
+ spacing * (nvis_children - n_secondaries - 1))) / 2
+ (n_secondaries * child_height + n_secondaries * spacing) / 2;
- (primary_size + spacing * (n_primaries - 1))) / 2
+ (secondary_size + n_secondaries * spacing) / 2;
secondary_y = allocation->y + border_width;
}
@ -731,74 +820,63 @@ gtk_button_box_size_allocate (GtkWidget *widget,
break;
}
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
y = allocation->y + (allocation->height - child_height) / 2;
childspace = child_width + childspacing;
}
else
{
x = allocation->x + (allocation->width - child_width) / 2;
childspace = child_height + childspacing;
}
list = children = _gtk_box_get_children (GTK_BOX (box));
children = list;
i = 0;
while (children)
{
GtkWidget *child;
gboolean is_secondary;
child = children->data;
children = children->next;
is_secondary = gtk_button_box_get_child_secondary (box, child);
if (gtk_widget_get_visible (child))
{
child_allocation.width = child_width;
child_allocation.height = child_height;
child_allocation.width = widths[i];
child_allocation.height = heights[i];
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
child_allocation.y = y;
child_allocation.y = allocation->y + (allocation->height - child_allocation.height) / 2;
if (is_secondary)
if (gtk_button_box_get_child_secondary (bbox, child))
{
child_allocation.x = secondary_x;
secondary_x += childspace;
secondary_x += child_allocation.width + childspacing;
}
else
{
child_allocation.x = x;
x += childspace;
x += child_allocation.width + childspacing;
}
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
child_allocation.x = (allocation->x + allocation->width)
- (child_allocation.x + child_width - allocation->x);
- (child_allocation.x + child_allocation.width - allocation->x);
}
else
{
child_allocation.x = x;
child_allocation.x = allocation->x + (allocation->width - child_allocation.width) / 2;
if (is_secondary)
if (gtk_button_box_get_child_secondary (bbox, child))
{
child_allocation.y = secondary_y;
secondary_y += childspace;
secondary_y += child_allocation.height + childspacing;
}
else
{
child_allocation.y = y;
y += childspace;
y += child_allocation.height + childspacing;
}
}
gtk_widget_size_allocate (child, &child_allocation);
i++;
}
}
g_list_free (list);
g_free (widths);
g_free (heights);
}
/**