Created new directory src/ui/gui/sheet

[pspp-builds.git] / src / ui / gui / sheet / psppire-axis.h

diff --git a/src/ui/gui/sheet/psppire-axis.h b/src/ui/gui/sheet/psppire-axis.h
new file mode 100644 (file)
index 0000000..3836ecf
--- /dev/null
+++ b/src/ui/gui/sheet/psppire-axis.h
@@ -0,0 +1,104 @@
+/* PSPPIRE - a graphical user interface for PSPP.
+   Copyright (C) 2008  Free Software Foundation
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+
+#ifndef PSPPIRE_AXIS_H__
+#define PSPPIRE_AXIS_H__
+
+
+#include <glib-object.h>
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+
+
+/* --- type macros --- */
+#define G_TYPE_PSPPIRE_AXIS              (psppire_axis_get_type ())
+#define PSPPIRE_AXIS(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_PSPPIRE_AXIS, PsppireAxis))
+#define PSPPIRE_AXIS_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), G_TYPE_PSPPIRE_AXIS, PsppireAxisClass))
+#define PSPPIRE_IS_AXIS(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), G_TYPE_PSPPIRE_AXIS))
+#define PSPPIRE_IS_AXIS_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), G_TYPE_PSPPIRE_AXIS))
+#define PSPPIRE_AXIS_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_PSPPIRE_AXIS, PsppireAxisClass))
+
+
+/* --- typedefs & structures --- */
+typedef struct _PsppireAxis       PsppireAxis;
+typedef struct _PsppireAxisClass PsppireAxisClass;
+
+struct _PsppireAxis
+{
+  GObject             parent;
+
+  glong min_extent;
+  gint default_size;
+};
+
+struct _PsppireAxisClass
+{
+  GObjectClass parent_class;
+};
+
+
+GType          psppire_axis_get_type (void);
+
+
+\f
+
+GType psppire_axis_iface_get_type (void);
+
+#define PSPPIRE_TYPE_AXIS_IFACE (psppire_axis_iface_get_type ())
+
+typedef struct _PsppireAxisIface PsppireAxisIface;
+
+struct _PsppireAxisIface
+{
+  GTypeInterface g_iface;
+
+
+  /* Virtual Table */
+
+  gint  (*unit_size) (const PsppireAxis *a, gint unit);
+
+  gint  (*unit_count) (const PsppireAxis *a);
+
+  glong (*start_pixel) (const PsppireAxis *a, gint unit);
+
+  gint  (*unit_at_pixel) (const PsppireAxis *a, glong pixel);
+
+  glong (*total_size) (const PsppireAxis *a);
+
+
+  void (*resize) (PsppireAxis *a, gint unit, glong pixels);
+};
+
+
+/* Interface between sheet and axis */
+
+gint psppire_axis_unit_size (const PsppireAxis *a, gint unit);
+
+gint psppire_axis_unit_count (const PsppireAxis *a);
+
+glong psppire_axis_start_pixel (const PsppireAxis *a, gint unit);
+
+gint psppire_axis_unit_at_pixel (const PsppireAxis *a, glong pixel);
+
+
+void psppire_axis_resize (PsppireAxis *a, gint unit, glong size);
+
+G_END_DECLS
+
+#endif /* PSPPIRE_AXIS_H__ */