FlowCanvas's successor is hereby dubbed Ganv.

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@3820 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 126 insertions, 0 deletions

diff --git a/ganv/port.h b/ganv/port.h
new file mode 100644
index 0000000..433eadd
--- /dev/null
+++ b/ganv/port.h
@@ -0,0 +1,126 @@
+/* This file is part of Ganv.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ganv 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.
+ *
+ * Ganv 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
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Ganv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GANV_PORT_H
+#define GANV_PORT_H
+
+#include "ganv/box.h"
+
+struct _GanvModule;
+
+G_BEGIN_DECLS
+
+#define GANV_TYPE_PORT            (ganv_port_get_type())
+#define GANV_PORT(obj)            (GTK_CHECK_CAST((obj), GANV_TYPE_PORT, GanvPort))
+#define GANV_PORT_CLASS(klass)    (GTK_CHECK_CLASS_CAST((klass), GANV_TYPE_PORT, GanvPortClass))
+#define GANV_IS_PORT(obj)         (GTK_CHECK_TYPE((obj), GANV_TYPE_PORT))
+#define GANV_IS_PORT_CLASS(klass) (GTK_CHECK_CLASS_TYPE((klass), GANV_TYPE_PORT))
+#define GANV_PORT_GET_CLASS(obj)  (GTK_CHECK_GET_CLASS((obj), GANV_TYPE_PORT, GanvPortClass))
+
+typedef struct _GanvPortClass GanvPortClass;
+
+typedef struct {
+	GanvBox* rect;
+	float          value;
+	float          min;
+	float          max;
+	gboolean       is_toggle;
+} GanvPortControl;
+
+struct _GanvPort
+{
+	GanvBox          box;
+	GanvPortControl* control;
+	gboolean               is_input;
+};
+
+struct _GanvPortClass {
+	GanvBoxClass parent_class;
+};
+
+GType ganv_port_get_type(void);
+
+GanvPort*
+ganv_port_new(GanvModule* module,
+                     gboolean          is_input,
+                     const char*       first_prop_name, ...);
+
+void
+ganv_port_show_control(GanvPort* port);
+
+void
+ganv_port_hide_control(GanvPort* port);
+
+void
+ganv_port_set_control_is_toggle(GanvPort* port,
+                                       gboolean        is_toggle);
+
+void
+ganv_port_set_control_value(GanvPort* port,
+                                   float           value);
+
+void
+ganv_port_set_control_min(GanvPort* port,
+                                 float           min);
+
+void
+ganv_port_set_control_max(GanvPort* port,
+                                 float           max);
+
+double
+ganv_port_get_natural_width(const GanvPort* port);
+
+/**
+ * ganv_port_get_module:
+ * Return value: (transfer none): The module @a port is on.
+ */
+GanvModule*
+ganv_port_get_module(const GanvPort* port);
+
+static inline float
+ganv_port_get_control_value(const GanvPort* port)
+{
+	return port->control ? port->control->value : 0.0f;
+}
+
+static inline float
+ganv_port_get_control_min(const GanvPort* port)
+{
+	return port->control ? port->control->min : 0.0f;
+}
+
+static inline float
+ganv_port_get_control_max(const GanvPort* port)
+{
+	return port->control ? port->control->max : 0.0f;
+}
+
+static inline gboolean
+ganv_port_is_input(const GanvPort* port)
+{
+	return port->is_input;
+}
+
+static inline gboolean
+ganv_port_is_output(const GanvPort* port)
+{
+	return !port->is_input;
+}
+	
+G_END_DECLS
+
+#endif  /* GANV_PORT_H */