Added a function for scrolling uiAreas. Implemented on OS X; stubbed elsewhere.

darwin/area.m

@@ -346,6 +346,14 @@ void uiAreaQueueRedrawAll(uiArea *a)
 	[a->area setNeedsDisplay:YES];
 }
 
+void uiAreaScrollTo(uiArea *a, double x, double y, double with, double height)
+{
+	if (!a->scrolling)
+		complain("attempt to call uiAreaScrollTo() on a non-scrolling uiArea");
+	[a->area scrollRectToVisible:NSMakeRect(x, y, width, height)];
+	// don't worry about the return value; it just says whether scrolling was needed
+}
+
 uiArea *uiNewArea(uiAreaHandler *ah)
 {
 	uiArea *a;

ui.h

@@ -284,6 +284,7 @@ _UI_EXTERN uintmax_t uiMenuItemType(void);
 _UI_EXTERN void uiAreaSetSize(uiArea *a, intmax_t width, intmax_t height);
 // TODO uiAreaQueueRedraw()
 _UI_EXTERN void uiAreaQueueRedrawAll(uiArea *a);
+_UI_EXTERN void uiAreaScrollTo(uiArea *a, double x, double y, double with, double height);
 _UI_EXTERN uiArea *uiNewArea(uiAreaHandler *ah);
 _UI_EXTERN uiArea *uiNewScrollingArea(uiAreaHandler *ah, intmax_t width, intmax_t height);
 
@@ -294,7 +295,6 @@ struct uiAreaDrawParams {
 	double AreaWidth;
 	double AreaHeight;
 
-	// TODO keep this?
 	double ClipX;
 	double ClipY;
 	double ClipWidth;

unix/area.c

@@ -501,6 +501,12 @@ void uiAreaQueueRedrawAll(uiArea *a)
 	gtk_widget_queue_draw(a->areaWidget);
 }
 
+void uiAreaScrollTo(uiArea *a, double x, double y, double with, double height)
+{
+	// TODO
+	// TODO adjust adjustments and find source for that
+}
+
 uiArea *uiNewArea(uiAreaHandler *ah)
 {
 	uiArea *a;

windows/area.c

@@ -98,6 +98,11 @@ void uiAreaQueueRedrawAll(uiArea *a)
 		logLastError("error queueing uiArea redraw in uiAreaQueueRedrawAll()");
 }
 
+void uiAreaScrollTo(uiArea *a, double x, double y, double with, double height)
+{
+	// TODO
+}
+
 uiArea *uiNewArea(uiAreaHandler *ah)
 {
 	uiArea *a;