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scrolledwindow: fix wrong allocation of padding and borders

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When positioning the scrollbar we were doing several miscalculations
when accounting for CSS paddings and borders. This also fixes a number
of problems with RTL and when scrollbars-within-bevel is FALSE.

https://bugzilla.gnome.org/show_bug.cgi?id=685449
This commit is contained in:
Cosimo Cecchi 2012-10-04 00:58:29 -04:00
parent dd9392a58c
commit 1a1361c4b3
1 changed files with 28 additions and 32 deletions
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60
gtk/gtkscrolledwindow.c
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@ -1750,10 +1750,14 @@ 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);
/* Subtract some things from our available allocation size */
gtk_widget_get_allocation (widget, &widget_allocation);
allocation->x = 0;
allocation->y = 0;
allocation->width = widget_allocation.width;
allocation->height = widget_allocation.height;
/* Subtract some things from our available allocation size */
if (priv->shadow_type != GTK_SHADOW_NONE)
{
GtkStyleContext *context;
@ -1771,14 +1775,12 @@ gtk_scrolled_window_relative_allocation (GtkWidget *widget,
allocation->x += padding.left + border.left;
allocation->y += padding.top + border.top;
allocation->width = MAX (1, allocation->width - (padding.left + border.left + padding.right + border.right));
allocation->height = MAX (1, allocation->height - (padding.top + border.top + padding.bottom + border.bottom));
gtk_style_context_restore (context);
}
gtk_widget_get_allocation (widget, &widget_allocation);
allocation->width = MAX (1, (gint) widget_allocation.width - allocation->x * 2);
allocation->height = MAX (1, (gint) widget_allocation.height - allocation->y * 2);
if (priv->vscrollbar_visible)
{
gboolean is_rtl;
@ -2172,11 +2174,9 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget,
priv->real_window_placement == GTK_CORNER_TOP_RIGHT)
child_allocation.y = (relative_allocation.y +
relative_allocation.height +
sb_spacing +
(priv->shadow_type == GTK_SHADOW_NONE ?
0 : padding.top + border.top));
sb_spacing);
else
child_allocation.y = 0;
child_allocation.y = relative_allocation.y - sb_spacing - sb_height;
child_allocation.width = relative_allocation.width;
child_allocation.height = sb_height;
@ -2189,15 +2189,12 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget,
{
child_allocation.x -= padding.left + border.left;
child_allocation.width += padding.left + padding.right + border.left + border.right;
}
else if (GTK_CORNER_TOP_RIGHT == priv->real_window_placement ||
GTK_CORNER_TOP_LEFT == priv->real_window_placement)
{
child_allocation.y -= padding.top + border.top;
}
else
{
child_allocation.y += padding.top + border.top;
if (priv->real_window_placement == GTK_CORNER_TOP_LEFT ||
priv->real_window_placement == GTK_CORNER_TOP_RIGHT)
child_allocation.y += padding.bottom + border.bottom;
else
child_allocation.y -= padding.top + border.top;
}
}
@ -2219,11 +2216,9 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget,
priv->real_window_placement == GTK_CORNER_BOTTOM_LEFT)))
child_allocation.x = (relative_allocation.x +
relative_allocation.width +
sb_spacing +
(priv->shadow_type == GTK_SHADOW_NONE ?
0 : padding.left + border.left));
sb_spacing);
else
child_allocation.x = 0;
child_allocation.x = relative_allocation.x - sb_spacing - sb_width;
child_allocation.y = relative_allocation.y;
child_allocation.width = sb_width;
@ -2237,17 +2232,18 @@ gtk_scrolled_window_size_allocate (GtkWidget *widget,
{
child_allocation.y -= padding.top + border.top;
child_allocation.height += padding.top + padding.bottom + border.top + border.bottom;
if ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL &&
(priv->real_window_placement == GTK_CORNER_TOP_RIGHT ||
priv->real_window_placement == GTK_CORNER_BOTTOM_RIGHT)) ||
(gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR &&
(priv->real_window_placement == GTK_CORNER_TOP_LEFT ||
priv->real_window_placement == GTK_CORNER_BOTTOM_LEFT)))
child_allocation.x += padding.right + border.right;
else
child_allocation.x -= padding.left + border.left;
}
else if (GTK_CORNER_BOTTOM_LEFT == priv->real_window_placement ||
GTK_CORNER_TOP_LEFT == priv->real_window_placement)
{
child_allocation.x -= padding.left + border.left;
}
else
{
child_allocation.x += padding.left + border.left;
}
}
}
gtk_widget_size_allocate (priv->vscrollbar, &child_allocation);
}