From 447bc996655de10ab687c9d36a4817681d044b61 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 9 Jun 2008 15:54:13 +0000
Subject: Scroll canvas with arrow keys.

git-svn-id: http://svn.drobilla.net/lad/patchage@1242 a436a847-0d15-0410-975c-d299462d15a1
---
 src/Patchage.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/Patchage.cpp')

diff --git a/src/Patchage.cpp b/src/Patchage.cpp
index b91150f..84f66d3 100644
--- a/src/Patchage.cpp
+++ b/src/Patchage.cpp
@@ -162,6 +162,9 @@ Patchage::Patchage(int argc, char** argv)
 	_main_scrolledwin->property_hadjustment().get_value()->set_step_increment(10);
 	_main_scrolledwin->property_vadjustment().get_value()->set_step_increment(10);
 
+	_main_scrolledwin->signal_scroll_event().connect(
+			sigc::mem_fun(this, &Patchage::on_scroll));
+
 	_buffer_size_combo->signal_changed().connect(
 			sigc::mem_fun(this, &Patchage::buffer_size_changed));
 	_clear_load_but->signal_clicked().connect(
@@ -251,6 +254,8 @@ Patchage::Patchage(int argc, char** argv)
 	connect_widgets();
 	update_state();
 
+	_canvas->grab_focus();
+
 	// Idle callback, check if we need to refresh
 	Glib::signal_timeout().connect(
 			sigc::mem_fun(this, &Patchage::idle_callback), 100);
@@ -663,6 +668,14 @@ Patchage::on_view_toolbar()
 		_toolbar->hide();
 }
 
+	
+bool
+Patchage::on_scroll(GdkEventScroll* ev) 
+{
+	cout << "ON SCROLL" << endl;
+	return false;
+}
+
 
 void
 Patchage::buffer_size_changed()
-- 
cgit v1.2.1