From b46167f1e2bb00dc1dae5b466cd78e7ae817587d Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Mon, 4 Aug 2014 23:48:04 -0400
Subject: [PATCH] Fixed up the implementation of Area on GTK+ and the Area
 test. Seems to be fine, though for some reason holding down a mouse button
 doesn't generate a drag in GTK+ 3.10...

---
 redo/area_unix.go | 22 +++++++++++++++++++++-
 redo/zz_test.go   | 10 +++++++---
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/redo/area_unix.go b/redo/area_unix.go
index eb9dde9..cc9fe73 100644
--- a/redo/area_unix.go
+++ b/redo/area_unix.go
@@ -53,7 +53,13 @@ func newArea(ab *areabase) Area {
 		scroller:		newScroller(widget, false),		// not natively scrollable,
 		clickCounter:	new(clickCounter),
 	}
-	// TODO connect signals
+	for _, c := range areaCallbacks {
+		g_signal_connect(
+			C.gpointer(unsafe.Pointer(a.drawingarea)),
+			c.name,
+			c.callback,
+			C.gpointer(unsafe.Pointer(a)))
+	}
 	a.SetSize(a.width, a.height)
 	return a
 }
@@ -68,6 +74,20 @@ func (a *area) RepaintAll() {
 	C.gtk_widget_queue_draw(a._widget)
 }
 
+var areaCallbacks = []struct {
+	name	string
+	callback	C.GCallback
+}{
+	{ "draw",					area_draw_callback },
+	{ "button-press-event",		area_button_press_event_callback },
+	{ "button-release-event",		area_button_release_event_callback },
+	{ "motion-notify-event",		area_motion_notify_event_callback },
+	{ "enter-notify-event",		area_enterleave_notify_event_callback },
+	{ "leave-notify-event",		area_enterleave_notify_event_callback },
+	{ "key-press-event",			area_key_press_event_callback },
+	{ "key-release-event",		area_key_release_event_callback },
+}
+
 //export our_area_draw_callback
 func our_area_draw_callback(widget *C.GtkWidget, cr *C.cairo_t, data C.gpointer) C.gboolean {
 	var x0, y0, x1, y1 C.double
diff --git a/redo/zz_test.go b/redo/zz_test.go
index 2c1a044..c54c614 100644
--- a/redo/zz_test.go
+++ b/redo/zz_test.go
@@ -10,6 +10,8 @@ import (
 	"reflect"
 	"testing"
 	"image"
+	"image/color"
+	"image/draw"
 )
 
 var closeOnClick = flag.Bool("close", false, "close on click")
@@ -43,10 +45,12 @@ type testwin struct {
 
 type areaHandler struct{}
 func (a *areaHandler) Paint(r image.Rectangle) *image.RGBA {
-	return image.NewRGBA(r)
+	i := image.NewRGBA(r)
+	draw.Draw(i, r, &image.Uniform{color.RGBA{128,0,128,255}}, image.ZP, draw.Src)
+	return i
 }
-func (a *areaHandler) Mouse(me MouseEvent) bool { return false }
-func (a *areaHandler) Key(ke KeyEvent) bool { return false }
+func (a *areaHandler) Mouse(me MouseEvent) bool { fmt.Printf("%#v\n", me); return false }
+func (a *areaHandler) Key(ke KeyEvent) bool { fmt.Printf("%#v\n", ke); return false }
 
 func (tw *testwin) make(done chan struct{}) {
 	tw.t = NewTab()