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scrolled window: Fix scrollbar size allocation

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We were not taking the scrollable borders into account when
requesting size for the scrolled window, which could lead
to underallocating the scrollbars at size allocation time
when we *did* take the borders into account.

This is most notable with treeviews, where we have the
headers as borders, and was causing the treeview-crash-too-wide
reftest to fail.
This commit is contained in:
Matthias Clasen 2016-03-11 21:40:02 -05:00
parent 07e6eae3e5
commit 5f00a9b4ec
1 changed files with 16 additions and 11 deletions
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27
gtk/gtkscrolledwindow.c
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@ -1715,6 +1715,7 @@ gtk_scrolled_window_measure (GtkCssGadget *gadget,
GtkRequisition minimum_req, natural_req;
GtkWidget *child;
gint min_child_size, nat_child_size;
GtkBorder border = { 0 };
scrollbar_spacing = _gtk_scrolled_window_get_scrollbar_spacing (scrolled_window);
@ -1731,6 +1732,10 @@ gtk_scrolled_window_measure (GtkCssGadget *gadget,
&vscrollbar_requisition, NULL);
child = gtk_bin_get_child (bin);
if (GTK_IS_SCROLLABLE (child))
gtk_scrollable_get_border (GTK_SCROLLABLE (child), &border);
if (child && gtk_widget_get_visible (child))
{
if (orientation == GTK_ORIENTATION_HORIZONTAL)
@ -1787,19 +1792,21 @@ gtk_scrolled_window_measure (GtkCssGadget *gadget,
}
}
if (policy_may_be_visible (priv->hscrollbar_policy) && !priv->use_indicators)
if (policy_may_be_visible (priv->hscrollbar_policy))
{
minimum_req.width = MAX (minimum_req.width, hscrollbar_requisition.width);
natural_req.width = MAX (natural_req.width, hscrollbar_requisition.width);
if (!extra_height || priv->hscrollbar_policy == GTK_POLICY_ALWAYS)
minimum_req.width = MAX (minimum_req.width, hscrollbar_requisition.width + border.left + border.right);
natural_req.width = MAX (natural_req.width, hscrollbar_requisition.width + border.left + border.right);
if (!priv->use_indicators &&
(!extra_height || priv->hscrollbar_policy == GTK_POLICY_ALWAYS))
extra_height = scrollbar_spacing + hscrollbar_requisition.height;
}
if (policy_may_be_visible (priv->vscrollbar_policy) && !priv->use_indicators)
if (policy_may_be_visible (priv->vscrollbar_policy))
{
minimum_req.height = MAX (minimum_req.height, vscrollbar_requisition.height);
natural_req.height = MAX (natural_req.height, vscrollbar_requisition.height);
if (!extra_width || priv->vscrollbar_policy == GTK_POLICY_ALWAYS)
minimum_req.height = MAX (minimum_req.height, vscrollbar_requisition.height + border.top + border.bottom);
natural_req.height = MAX (natural_req.height, vscrollbar_requisition.height + border.top + border.bottom);
if (!priv->use_indicators &&
(!extra_width || priv->vscrollbar_policy == GTK_POLICY_ALWAYS))
extra_width = scrollbar_spacing + vscrollbar_requisition.width;
}
@ -2830,7 +2837,6 @@ gtk_scrolled_window_inner_allocation (GtkWidget *widget,
GtkBorder border = { 0 };
gtk_scrolled_window_relative_allocation (widget, rect);
child = gtk_bin_get_child (GTK_BIN (widget));
if (GTK_IS_SCROLLABLE (child) &&
gtk_scrollable_get_border (GTK_SCROLLABLE (child), &border))
@ -3030,8 +3036,7 @@ gtk_scrolled_window_relative_allocation (GtkWidget *widget,
gtk_widget_get_preferred_height (priv->hscrollbar, &sb_height, NULL);
gtk_widget_get_preferred_width (priv->vscrollbar, &sb_width, NULL);
gtk_css_gadget_get_content_allocation (priv->gadget, &content_allocation,
NULL);
gtk_css_gadget_get_content_allocation (priv->gadget, &content_allocation, NULL);
allocation->x = content_allocation.x;
allocation->y = content_allocation.y;