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GtkButton: Add baseline align support

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This commit is contained in:
Alexander Larsson 2013-03-07 13:53:16 +01:00
parent 7523b25942
commit d6684b5748
1 changed files with 57 additions and 9 deletions
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66
gtk/gtkbutton.c
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@ -178,6 +178,12 @@ static void gtk_button_get_preferred_height_for_width (GtkWidget *wid
gint for_size,
gint *minimum_size,
gint *natural_size);
static void gtk_button_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
gint width,
gint *minimum_size,
gint *natural_size,
gint *minimum_baseline,
gint *natural_baseline);
static guint button_signals[LAST_SIGNAL] = { 0 };
@ -206,6 +212,7 @@ gtk_button_class_init (GtkButtonClass *klass)
widget_class->get_preferred_height = gtk_button_get_preferred_height;
widget_class->get_preferred_width_for_height = gtk_button_get_preferred_width_for_height;
widget_class->get_preferred_height_for_width = gtk_button_get_preferred_height_for_width;
widget_class->get_preferred_height_and_baseline_for_width = gtk_button_get_preferred_height_and_baseline_for_width;
widget_class->destroy = gtk_button_destroy;
widget_class->screen_changed = gtk_button_screen_changed;
widget_class->realize = gtk_button_realize;
@ -1160,11 +1167,16 @@ gtk_button_construct_child (GtkButton *button)
else
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, image_spacing);
gtk_widget_set_valign (image, GTK_ALIGN_BASELINE);
gtk_widget_set_valign (box, GTK_ALIGN_BASELINE);
if (priv->align_set)
align = gtk_alignment_new (priv->xalign, priv->yalign, 0.0, 0.0);
else
align = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_widget_set_valign (align, GTK_ALIGN_BASELINE);
if (priv->image_position == GTK_POS_LEFT ||
priv->image_position == GTK_POS_TOP)
gtk_box_pack_start (GTK_BOX (box), priv->image, FALSE, FALSE, 0);
@ -1182,6 +1194,8 @@ gtk_button_construct_child (GtkButton *button)
else
label = gtk_label_new (label_text);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
if (priv->image_position == GTK_POS_RIGHT ||
priv->image_position == GTK_POS_BOTTOM)
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
@ -1206,6 +1220,8 @@ gtk_button_construct_child (GtkButton *button)
else
label = gtk_label_new (priv->label_text);
gtk_widget_set_valign (label, GTK_ALIGN_BASELINE);
if (priv->align_set)
gtk_misc_set_alignment (GTK_MISC (label), priv->xalign, priv->yalign);
@ -1594,6 +1610,7 @@ gtk_button_size_allocate (GtkWidget *widget,
GtkBorder border;
gint focus_width;
gint focus_pad;
gint baseline;
context = gtk_widget_get_style_context (widget);
@ -1645,6 +1662,10 @@ gtk_button_size_allocate (GtkWidget *widget,
child_allocation.height = child_allocation.height - (focus_width + focus_pad) * 2;
}
baseline = gtk_widget_get_allocated_baseline (widget);
if (baseline != -1)
baseline -= child_allocation.y - allocation->y;
if (priv->depressed)
{
gint child_displacement_x;
@ -1661,7 +1682,7 @@ gtk_button_size_allocate (GtkWidget *widget,
child_allocation.width = MAX (1, child_allocation.width);
child_allocation.height = MAX (1, child_allocation.height);
gtk_widget_size_allocate (child, &child_allocation);
gtk_widget_size_allocate_with_baseline (child, &child_allocation, baseline);
}
}
@ -2074,7 +2095,9 @@ gtk_button_get_size (GtkWidget *widget,
GtkOrientation orientation,
gint for_size,
gint *minimum_size,
gint *natural_size)
gint *natural_size,
gint *minimum_baseline,
gint *natural_baseline)
{
GtkButton *button = GTK_BUTTON (widget);
GtkStyleContext *context;
@ -2085,6 +2108,7 @@ gtk_button_get_size (GtkWidget *widget,
gint focus_width;
gint focus_pad;
gint minimum, natural;
gint top_offset;
context = gtk_widget_get_style_context (widget);
@ -2095,6 +2119,8 @@ gtk_button_get_size (GtkWidget *widget,
"focus-padding", &focus_pad,
NULL);
top_offset = 0;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
minimum = padding.left + padding.right +
@ -2108,9 +2134,14 @@ gtk_button_get_size (GtkWidget *widget,
minimum = padding.top + padding.bottom +
border.top + border.bottom;
top_offset = padding.top + border.top + focus_width + focus_pad;
if (gtk_widget_get_can_default (GTK_WIDGET (widget)))
minimum += default_border.top + default_border.bottom;
}
{
minimum += default_border.top + default_border.bottom;
top_offset += default_border.top;
}
}
minimum += 2 * (focus_width + focus_pad);
natural = minimum;
@ -2119,11 +2150,17 @@ gtk_button_get_size (GtkWidget *widget,
gtk_widget_get_visible (child))
{
gint child_min, child_nat;
gint child_min_baseline = -1, child_nat_baseline = -1;
if (orientation == GTK_ORIENTATION_HORIZONTAL)
gtk_widget_get_preferred_width (child, &child_min, &child_nat);
else
gtk_widget_get_preferred_height (child, &child_min, &child_nat);
gtk_widget_get_preferred_height_and_baseline_for_width (child, -1, &child_min, &child_nat, &child_min_baseline, &child_nat_baseline);
if (minimum_baseline && child_min_baseline >= 0)
*minimum_baseline = child_min_baseline + top_offset;
if (natural_baseline && child_nat_baseline >= 0)
*natural_baseline = child_nat_baseline + top_offset;
minimum += child_min;
natural += child_nat;
@ -2141,7 +2178,7 @@ gtk_button_get_preferred_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_button_get_size (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum_size, natural_size);
gtk_button_get_size (widget, GTK_ORIENTATION_HORIZONTAL, -1, minimum_size, natural_size, NULL, NULL);
}
static void
@ -2149,7 +2186,7 @@ gtk_button_get_preferred_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, -1, minimum_size, natural_size);
gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, -1, minimum_size, natural_size, NULL, NULL);
}
static void
@ -2158,7 +2195,7 @@ gtk_button_get_preferred_width_for_height (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_button_get_size (widget, GTK_ORIENTATION_HORIZONTAL, for_size, minimum_size, natural_size);
gtk_button_get_size (widget, GTK_ORIENTATION_HORIZONTAL, for_size, minimum_size, natural_size, NULL, NULL);
}
static void
@ -2167,7 +2204,18 @@ gtk_button_get_preferred_height_for_width (GtkWidget *widget,
gint *minimum_size,
gint *natural_size)
{
gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, for_size, minimum_size, natural_size);
gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, for_size, minimum_size, natural_size, NULL, NULL);
}
static void
gtk_button_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
gint width,
gint *minimum_size,
gint *natural_size,
gint *minimum_baseline,
gint *natural_baseline)
{
gtk_button_get_size (widget, GTK_ORIENTATION_VERTICAL, width, minimum_size, natural_size, minimum_baseline, natural_baseline);
}
/**