From 4883072dcfabfe0ee5dff955250ea25b13c32563 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 2 Feb 2013 23:26:18 +0000
Subject: GUI support for integer controls.

git-svn-id: http://svn.drobilla.net/lad/trunk/ganv@5034 a436a847-0d15-0410-975c-d299462d15a1
---
 ganv/Port.hpp      |  1 +
 ganv/port.h        |  4 ++++
 src/Canvas.cpp     |  2 +-
 src/ganv-private.h |  1 +
 src/port.c         | 25 +++++++++++++++++++------
 5 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/ganv/Port.hpp b/ganv/Port.hpp
index 47136a5..ac1a5f9 100644
--- a/ganv/Port.hpp
+++ b/ganv/Port.hpp
@@ -56,6 +56,7 @@ public:
 	METHOD0(ganv_port, show_control)
 	METHOD0(ganv_port, hide_control)
 	METHOD1(ganv_port, set_control_is_toggle, gboolean, is_toggle)
+	METHOD1(ganv_port, set_control_is_integer, gboolean, is_integer)
 	METHOD1(ganv_port, set_control_value, float, value)
 	METHOD1(ganv_port, set_control_min, float, min)
 	METHOD1(ganv_port, set_control_max, float, max)
diff --git a/ganv/port.h b/ganv/port.h
index ff258cb..9775ac6 100644
--- a/ganv/port.h
+++ b/ganv/port.h
@@ -66,6 +66,10 @@ void
 ganv_port_set_control_is_toggle(GanvPort* port,
                                 gboolean  is_toggle);
 
+void
+ganv_port_set_control_is_integer(GanvPort* port,
+                                 gboolean  is_integer);
+
 void
 ganv_port_set_control_value(GanvPort* port,
                             float     value);
diff --git a/src/Canvas.cpp b/src/Canvas.cpp
index c96a437..37a99f9 100644
--- a/src/Canvas.cpp
+++ b/src/Canvas.cpp
@@ -1297,7 +1297,7 @@ GanvCanvasImpl::port_event(GdkEvent* event, GanvPort* port)
 	return false;
 }
 
-/** Called when two ports are 'toggled' (connected or disconnected)
+/** Called when two ports are 'joined' (connected or disconnected)
  */
 void
 GanvCanvasImpl::ports_joined(GanvPort* port1, GanvPort* port2)
diff --git a/src/ganv-private.h b/src/ganv-private.h
index 4c264a7..85ed1ab 100644
--- a/src/ganv-private.h
+++ b/src/ganv-private.h
@@ -123,6 +123,7 @@ typedef struct {
 	float     min;
 	float     max;
 	gboolean  is_toggle;
+	gboolean  is_integer;
 } GanvPortControl;
 
 struct _GanvPortImpl {
diff --git a/src/port.c b/src/port.c
index edb34cb..5780571 100644
--- a/src/port.c
+++ b/src/port.c
@@ -439,12 +439,13 @@ ganv_port_show_control(GanvPort* port)
 
 	guint control_col = highlight_color(GANV_NODE(port)->impl->fill_color, 0x40);
 
-	control->value     = 0.0f;
-	control->min       = 0.0f;
-	control->max       = 0.0f;
-	control->is_toggle = FALSE;
-	control->label     = NULL;
-	control->rect      = GANV_BOX(
+	control->value      = 0.0f;
+	control->min        = 0.0f;
+	control->max        = 0.0f;
+	control->is_toggle  = FALSE;
+	control->is_integer = FALSE;
+	control->label      = NULL;
+	control->rect       = GANV_BOX(
 		ganv_item_new(GANV_ITEM(port),
 		              ganv_box_get_type(),
 		              "x1", 0.0,
@@ -506,6 +507,16 @@ ganv_port_set_control_is_toggle(GanvPort* port,
 	}
 }
 
+void
+ganv_port_set_control_is_integer(GanvPort* port,
+                                 gboolean  is_integer)
+{
+	if (port->impl->control) {
+		port->impl->control->is_integer = is_integer;
+		ganv_port_set_control_value(port, lrintf(port->impl->control->value));
+	}
+}
+
 static void
 ganv_port_update_control_slider(GanvPort* port,
                                 float     value)
@@ -521,6 +532,8 @@ ganv_port_update_control_slider(GanvPort* port,
 		} else {
 			value = impl->control->min;
 		}
+	} else if (impl->control->is_integer) {
+		value = lrintf(value);
 	}
 
 	if (value < impl->control->min) {
-- 
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