From 12898ecf40723adb674bad95c10d1e8092794297 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 17 Jan 2014 21:56:37 +0000
Subject: Add mouse position to PuglScrollFunc (apply #896). Fix compilation of
 pugl_test.

---
 pugl/pugl.h       | 6 +++++-
 pugl/pugl_osx.m   | 5 ++++-
 pugl/pugl_win.cpp | 6 ++++--
 pugl/pugl_x11.c   | 4 +++-
 4 files changed, 16 insertions(+), 5 deletions(-)

(limited to 'pugl')

diff --git a/pugl/pugl.h b/pugl/pugl.h
index 7f68351..8d82016 100644
--- a/pugl/pugl.h
+++ b/pugl/pugl.h
@@ -199,7 +199,11 @@ typedef void (*PuglReshapeFunc)(PuglView* view, int width, int height);
    @param dx The scroll x distance.
    @param dx The scroll y distance.
 */
-typedef void (*PuglScrollFunc)(PuglView* view, float dx, float dy);
+typedef void (*PuglScrollFunc)(PuglView* view,
+                               int       x,
+                               int       y,
+                               float     dx,
+                               float     dy);
 
 /**
    A function called when a special key is pressed or released.
diff --git a/pugl/pugl_osx.m b/pugl/pugl_osx.m
index a9bbd24..c318d91 100644
--- a/pugl/pugl_osx.m
+++ b/pugl/pugl_osx.m
@@ -273,8 +273,11 @@ getModifiers(PuglView* view, NSEvent* ev)
 - (void) scrollWheel:(NSEvent*)event
 {
 	if (puglview->scrollFunc) {
+		NSPoint loc = [event locationInWindow];
 		puglview->mods = getModifiers(puglview, event);
-		puglview->scrollFunc(puglview, [event deltaX], [event deltaY]);
+		puglview->scrollFunc(puglview,
+		                     loc.x, puglview->height - loc.y,
+		                     [event deltaX], [event deltaY]);
 	}
 	[self updateTrackingAreas];
 }
diff --git a/pugl/pugl_win.cpp b/pugl/pugl_win.cpp
index 780752b..c95a2d2 100644
--- a/pugl/pugl_win.cpp
+++ b/pugl/pugl_win.cpp
@@ -286,13 +286,15 @@ handleMessage(PuglView* view, UINT message, WPARAM wParam, LPARAM lParam)
 	case WM_MOUSEWHEEL:
 		if (view->scrollFunc) {
 			view->scrollFunc(
-				view, 0, (int16_t)HIWORD(wParam) / (float)WHEEL_DELTA);
+				view, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
+				(int16_t)HIWORD(wParam) / (float)WHEEL_DELTA);
 		}
 		break;
 	case WM_MOUSEHWHEEL:
 		if (view->scrollFunc) {
 			view->scrollFunc(
-				view, (int16_t)HIWORD(wParam) / float(WHEEL_DELTA), 0);
+				view, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam),
+				(int16_t)HIWORD(wParam) / float(WHEEL_DELTA), 0);
 		}
 		break;
 	case WM_KEYDOWN:
diff --git a/pugl/pugl_x11.c b/pugl/pugl_x11.c
index d9fccf2..bd29074 100644
--- a/pugl/pugl_x11.c
+++ b/pugl/pugl_x11.c
@@ -296,7 +296,9 @@ puglProcessEvents(PuglView* view)
 					case 6: dx = -1.0f; break;
 					case 7: dx =  1.0f; break;
 					}
-					view->scrollFunc(view, dx, dy);
+					view->scrollFunc(view,
+					                 event.xbutton.x, event.xbutton.y,
+					                 dx, dy);
 				}
 				break;
 			}
-- 
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