#include <libpspp/pool.h>
#include <libpspp/misc.h>
#include "psppire-axis.h"
+#include <ui/gui/psppire-marshal.h>
#include <gtk/gtk.h>
+
+/* Signals */
+enum
+ {
+ RESIZE_UNIT,
+ n_signals
+ };
+
+static guint signals[n_signals] ;
+
+
#define PSPPIRE_AXIS_GET_IFACE(obj) \
(G_TYPE_INSTANCE_GET_INTERFACE ((obj), PSPPIRE_TYPE_AXIS_IFACE, PsppireAxisIface))
parent_class = g_type_class_peek_parent (class);
object_class->finalize = psppire_axis_finalize;
+
+
+ signals[RESIZE_UNIT] =
+ g_signal_new ("resize-unit",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ psppire_marshal_VOID__INT_LONG,
+ G_TYPE_NONE,
+ 2,
+ G_TYPE_INT,
+ G_TYPE_LONG
+ );
}
/* Return the starting pixel of UNIT */
glong
-psppire_axis_pixel_start (const PsppireAxis *a, gint unit)
+psppire_axis_start_pixel (const PsppireAxis *a, gint unit)
{
gint the_count, total_size ;
g_return_val_if_fail (PSPPIRE_IS_AXIS (a), -1);
return total_size + (unit - the_count) * a->default_size;
}
- return PSPPIRE_AXIS_GET_IFACE (a)->pixel_start (a, unit);
+ return PSPPIRE_AXIS_GET_IFACE (a)->start_pixel (a, unit);
}
/* Return the unit covered by PIXEL */
gint
-psppire_axis_get_unit_at_pixel (const PsppireAxis *a, glong pixel)
+psppire_axis_unit_at_pixel (const PsppireAxis *a, glong pixel)
{
glong total_size;
g_return_val_if_fail (PSPPIRE_AXIS_GET_IFACE (a), -1);
- g_return_val_if_fail (PSPPIRE_AXIS_GET_IFACE (a)->get_unit_at_pixel, -1);
+ g_return_val_if_fail (PSPPIRE_AXIS_GET_IFACE (a)->unit_at_pixel, -1);
total_size = PSPPIRE_AXIS_GET_IFACE (a)->total_size (a);
return n_items - 1 + DIV_RND_UP (extra, a->default_size);
}
- return PSPPIRE_AXIS_GET_IFACE (a)->get_unit_at_pixel (a, pixel);
+ return PSPPIRE_AXIS_GET_IFACE (a)->unit_at_pixel (a, pixel);
+}
+
+
+/* Set UNIT to size SIZE */
+void
+psppire_axis_resize (PsppireAxis *a, gint unit, glong size)
+{
+ g_return_if_fail (PSPPIRE_IS_AXIS (a));
+
+ g_return_if_fail (PSPPIRE_AXIS_GET_IFACE (a));
+
+ g_return_if_fail (size > 0);
+
+ if (PSPPIRE_AXIS_GET_IFACE (a)->resize)
+ PSPPIRE_AXIS_GET_IFACE (a)->resize (a, unit, size);
+
+
+ g_signal_emit (a, signals [RESIZE_UNIT], 0, unit, size);
}
+
+