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GtkModelButton: improve size allocation

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Only reserve size for an indicator if at least one sibling
actually has an indicator.
This commit is contained in:
Matthias Clasen 2014-04-26 16:37:16 -04:00
parent a5d2778737
commit 987b56973c
1 changed files with 116 additions and 24 deletions
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140
gtk/gtkmodelbutton.c
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@ -39,7 +39,7 @@ struct _GtkModelButton
GtkWidget *label;
gboolean toggled;
gboolean has_submenu;
gboolean center;
gboolean centered;
gboolean inverted;
GtkMenuTrackerItemRole role;
};
@ -146,10 +146,10 @@ gtk_model_button_set_inverted (GtkModelButton *button,
static void
gtk_model_button_set_centered (GtkModelButton *button,
gboolean center)
gboolean centered)
{
button->center = center;
gtk_widget_set_halign (button->box, button->center ? GTK_ALIGN_CENTER : GTK_ALIGN_FILL);
button->centered = centered;
gtk_widget_set_halign (button->box, button->centered ? GTK_ALIGN_CENTER : GTK_ALIGN_FILL);
gtk_widget_queue_draw (GTK_WIDGET (button));
}
@ -226,6 +226,51 @@ gtk_model_button_get_full_border (GtkModelButton *button,
*indicator = indicator_size + 2 * indicator_spacing;
}
static gboolean
has_sibling_with_indicator (GtkWidget *button)
{
GtkWidget *parent;
gboolean has_indicator;
GList *children, *l;
GtkModelButton *sibling;
has_indicator = FALSE;
parent = gtk_widget_get_parent (button);
children = gtk_container_get_children (GTK_CONTAINER (parent));
for (l = children; l; l = l->next)
{
sibling = l->data;
if (!GTK_IS_MODEL_BUTTON (sibling))
continue;
if (!gtk_widget_is_visible (GTK_WIDGET (sibling)))
continue;
if (!sibling->centered &&
(sibling->has_submenu || sibling->role != GTK_MENU_TRACKER_ITEM_ROLE_NORMAL))
{
has_indicator = TRUE;
break;
}
}
g_list_free (children);
return has_indicator;
}
static gboolean
needs_indicator (GtkModelButton *button)
{
if (button->role != GTK_MENU_TRACKER_ITEM_ROLE_NORMAL)
return TRUE;
return has_sibling_with_indicator (GTK_WIDGET (button));
}
static void
gtk_model_button_get_preferred_width_for_height (GtkWidget *widget,
gint height,
@ -237,6 +282,7 @@ gtk_model_button_get_preferred_width_for_height (GtkWidget *widget,
GtkBorder border;
gint indicator;
gtk_model_button_get_full_border (button, &border, &indicator);
child = gtk_bin_get_child (GTK_BIN (widget));
@ -257,8 +303,19 @@ gtk_model_button_get_preferred_width_for_height (GtkWidget *widget,
*natural = 0;
}
*minimum += border.left + border.right + indicator + (button->center ? indicator : 0);
*natural += border.left + border.right + indicator + (button->center ? indicator : 0);
*minimum += border.left + border.right;
*natural += border.left + border.right;
if (button->centered)
{
*minimum += 2 * indicator;
*natural += 2 * indicator;
}
else if (needs_indicator (button))
{
*minimum += indicator;
*natural += indicator;
}
}
static void
@ -291,24 +348,56 @@ gtk_model_button_get_preferred_height_and_baseline_for_width (GtkWidget
gint child_min_baseline = -1, child_nat_baseline = -1;
if (width > -1)
width -= border.left + border.right + indicator + (button->center ? indicator : 0);
{
width -= border.left + border.right;
if (button->centered)
width -= 2 * indicator;
else if (needs_indicator (button))
width -= indicator;
}
gtk_widget_get_preferred_height_and_baseline_for_width (child, width,
&child_min, &child_nat,
&child_min_baseline, &child_nat_baseline);
gtk_widget_get_preferred_height_and_baseline_for_width (child, width,
&child_min, &child_nat,
&child_min_baseline, &child_nat_baseline);
*minimum = MAX (indicator + (button->center ? indicator : 0), child_min);
*natural = MAX (indicator + (button->center ? indicator : 0), child_nat);
if (button->centered)
{
*minimum = MAX (2 * indicator, child_min);
*natural = MAX (2 * indicator, child_nat);
}
else if (needs_indicator (button))
{
*minimum = MAX (indicator, child_min);
*natural = MAX (indicator, child_nat);
}
else
{
*minimum = child_min;
*natural = child_nat;
}
if (minimum_baseline && child_min_baseline >= 0)
*minimum_baseline = child_min_baseline + border.top + (*minimum - child_min) / 2;
if (natural_baseline && child_nat_baseline >= 0)
*natural_baseline = child_nat_baseline + border.top + (*natural - child_nat) / 2;
if (minimum_baseline && child_min_baseline >= 0)
*minimum_baseline = child_min_baseline + border.top + (*minimum - child_min) / 2;
if (natural_baseline && child_nat_baseline >= 0)
*natural_baseline = child_nat_baseline + border.top + (*natural - child_nat) / 2;
}
else
{
*minimum = indicator + (button->center ? indicator : 0);
*natural = indicator + (button->center ? indicator : 0);
if (button->centered)
{
*minimum = 2 * indicator;
*natural = 2 * indicator;
}
else if (needs_indicator (button))
{
*minimum = indicator;
*natural = indicator;
}
else
{
*minimum = 0;
*natural = 0;
}
}
*minimum += border.top + border.bottom;
@ -372,15 +461,18 @@ gtk_model_button_size_allocate (GtkWidget *widget,
gtk_model_button_get_full_border (button, &border, &indicator);
if (button->center)
if (button->centered)
{
border.left += indicator;
border.right += indicator;
}
else if (indicator_is_left (widget))
border.left += indicator;
else
border.right += indicator;
else if (needs_indicator (button))
{
if (indicator_is_left (widget))
border.left += indicator;
else
border.right += indicator;
}
child_allocation.x = allocation->x + border.left;
child_allocation.y = allocation->y + border.top;
child_allocation.width = allocation->width - border.left - border.right;
@ -463,7 +555,7 @@ gtk_model_button_draw (GtkWidget *widget,
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &indicator_size, NULL);
indicator_spacing = indicator_size / 8;
x = width - border_width -focus_width - focus_pad - indicator_spacing - indicator_size;
x = width - border_width - focus_width - focus_pad - indicator_spacing - indicator_size;
if (indicator_is_left (widget))
x = width - (indicator_size + x);