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GtkEntry: Support baselines

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This commit is contained in:
Alexander Larsson 2013-03-20 14:30:41 +01:00
parent d6684b5748
commit 72cd8b4dab
1 changed files with 48 additions and 5 deletions
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49
gtk/gtkentry.c
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@ -367,6 +367,12 @@ static void gtk_entry_get_preferred_width (GtkWidget *widget,
static void gtk_entry_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural);
static void gtk_entry_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
gint width,
gint *minimum_height,
gint *natural_height,
gint *minimum_baseline,
gint *natural_baseline);
static void gtk_entry_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_entry_draw_frame (GtkWidget *widget,
@ -682,6 +688,7 @@ gtk_entry_class_init (GtkEntryClass *class)
widget_class->unrealize = gtk_entry_unrealize;
widget_class->get_preferred_width = gtk_entry_get_preferred_width;
widget_class->get_preferred_height = gtk_entry_get_preferred_height;
widget_class->get_preferred_height_and_baseline_for_width = gtk_entry_get_preferred_height_and_baseline_for_width;
widget_class->size_allocate = gtk_entry_size_allocate;
widget_class->draw = gtk_entry_draw;
widget_class->enter_notify_event = gtk_entry_enter_notify;
@ -3305,16 +3312,19 @@ gtk_entry_get_preferred_width (GtkWidget *widget,
}
static void
gtk_entry_get_preferred_height (GtkWidget *widget,
gtk_entry_get_preferred_height_and_baseline_for_width (GtkWidget *widget,
gint width,
gint *minimum,
gint *natural)
gint *natural,
gint *minimum_baseline,
gint *natural_baseline)
{
GtkEntry *entry = GTK_ENTRY (widget);
GtkEntryPrivate *priv = entry->priv;
PangoFontMetrics *metrics;
GtkBorder borders;
PangoContext *context;
gint height;
gint height, baseline;
PangoLayout *layout;
layout = gtk_entry_ensure_layout (entry, TRUE);
@ -3333,8 +3343,27 @@ gtk_entry_get_preferred_height (GtkWidget *widget,
height += borders.top + borders.bottom;
baseline = pango_layout_get_baseline (layout) / PANGO_SCALE;
baseline += borders.top;
*minimum = height;
*natural = height;
if (minimum_baseline)
*minimum_baseline = baseline;
if (natural_baseline)
*natural_baseline = baseline;
}
static void
gtk_entry_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
gtk_entry_get_preferred_height_and_baseline_for_width (widget,
-1,
minimum,
natural,
NULL, NULL);
}
static void
@ -3452,13 +3481,17 @@ gtk_entry_get_frame_size (GtkEntry *entry,
GtkAllocation allocation;
GtkRequisition requisition;
GtkWidget *widget = GTK_WIDGET (entry);
gint area_height, y_pos;
gint baseline;
gint req_height;
GtkBorder borders;
gtk_widget_get_preferred_size (widget, &requisition, NULL);
req_height = requisition.height - gtk_widget_get_margin_top (widget) - gtk_widget_get_margin_bottom (widget);
gtk_widget_get_allocation (widget, &allocation);
baseline = gtk_widget_get_allocated_baseline (widget);
if (x)
*x = allocation.x;
@ -3468,7 +3501,17 @@ gtk_entry_get_frame_size (GtkEntry *entry,
if (priv->is_cell_renderer)
*y = 0;
else
{
if (baseline == -1)
*y = (allocation.height - req_height) / 2;
else
{
_gtk_entry_get_borders (entry, &borders);
area_height = req_height - borders.top - borders.bottom;
y_pos = ((area_height * PANGO_SCALE - priv->ascent - priv->descent) / 2 + priv->ascent) / PANGO_SCALE;
*y = baseline - y_pos - borders.top;
}
}
*y += allocation.y;
}