[qwaq] Start work on cursor management

For now, the cursor is always hidden, but the plan is to have it visible
in only the focused view if that view has enabled the cursor.

ruamoko/qwaq/ui/group.h

@@ -26,10 +26,12 @@
 -insertSelected: (View *) view;
 -remove: (View *) view;
 -(Rect) rect;
+-(Rect) absRect;
 -(Point) origin;
 -(Extent) size;
 -draw;
 -redraw;
+-updateAbsPos: (Point) absPos;
 -resize: (Extent) delta;
 -handleEvent: (qwaq_event_t *) event;
 -takeFocus;

ruamoko/qwaq/ui/group.r

@@ -190,6 +190,14 @@ trySetFocus (Group *self, int viewIndex)
 	return {[self origin], [self size]};
 }
 
+-(Rect) absRect
+{
+	if (owner) {
+		return [owner absRect];
+	}
+	return {[self origin], [self size]};
+}
+
 -(Point) origin
 {
 	if (owner) {
@@ -236,6 +244,14 @@ not_dont_draw (id aView, void *aGroup)
 	return self;
 }
 
+-updateAbsPos: (Point) absPos
+{
+	for (int i = [views count]; i-- > 0; ) {
+		[[views objectAtIndex: i] updateAbsPos: absPos];
+	}
+	return self;
+}
+
 -resize: (Extent) delta
 {
 	for (int i = [views count]; i-- > 0; ) {

ruamoko/qwaq/ui/scrollbar.r

@@ -86,6 +86,13 @@
 	return onScrollBarModified;
 }
 
+-updateAbsPos: (Point) absPos
+{
+	[super updateAbsPos: absPos];
+	[objects updateAbsPos: absRect.offset];
+	return self;
+}
+
 -draw
 {
 	[super draw];

ruamoko/qwaq/ui/view.h

@@ -50,6 +50,7 @@ enum {
 -setGrowMode: (int) mode;
 
 -(Rect)rect;
+-(Rect)absRect;
 -(Point)origin;
 -(Extent)size;
 
@@ -70,6 +71,7 @@ enum {
 -hide;
 -redraw;
 -move: (Point) delta;
+-updateAbsPos: (Point) absPos;
 -resize: (Extent) delta;
 -move:(Point)dpos andResize:(Extent)dsize;
 -moveTo:(Point)pos;	// does not redraw
@@ -82,6 +84,10 @@ enum {
 -(ListenerGroup *) onReceiveFocus;
 -(ListenerGroup *) onReleaseFocus;
 -raise;
+-hideCursor;
+-showCursor;
+-setCursorVisible:(int) visible;
+-moveCursor:(Point) pos;
 
 - (void) onMouseEnter: (Point) pos;
 - (void) onMouseLeave: (Point) pos;
@@ -115,7 +121,7 @@ enum {
 	int         options;
 	int         growMode;
 	int         cursorState;
-	Point       cursor;
+	Point       cursorPos;
 	ListenerGroup *onReceiveFocus;
 	ListenerGroup *onReleaseFocus;
 	ListenerGroup *onEvent;

ruamoko/qwaq/ui/view.r

@@ -138,15 +138,44 @@ updateScreenCursor (View *view)
 		}
 		view = owner;
 	}
+	*/
 	if (view.state & sfInFocus) {
-		if (view.cursor.x >= 0 && view.cursor.x < view.xlen
+		if (view.cursorPos.x >= 0 && view.cursorPos.x < view.xlen
-			&& view.cursor.y >= 0 && view.cursor.y < view.ylen) {
+			&& view.cursorPos.y >= 0 && view.cursorPos.y < view.ylen) {
 			curs_set (view.cursorState);
-			move(view.cursor.x, view.cursor.y);
+			move(view.cursorPos.x, view.cursorPos.y);
 		} else {
 			curs_set (0);
 		}
-	}*/
+	}
+}
+
+-hideCursor
+{
+	return [self setCursorVisible: 0];
+}
+
+-showCursor
+{
+	return [self setCursorVisible: 1];
+}
+
+-setCursorVisible: (int) visible
+{
+	cursorState = visible;
+	if ((state & (sfInFocus | sfDrawn)) == (sfInFocus | sfDrawn)) {
+		updateScreenCursor (self);
+	}
+	return self;
+}
+
+-moveCursor: (Point) pos
+{
+	cursorPos = pos;
+	if ((state & (sfInFocus | sfDrawn)) == (sfInFocus | sfDrawn)) {
+		updateScreenCursor (self);
+	}
+	return self;
 }
 
 -draw
@@ -191,6 +220,11 @@ updateScreenCursor (View *view)
 	return rect;
 }
 
+- (Rect) absRect
+{
+	return rect;
+}
+
 -(Point)origin
 {
 	return pos;
@@ -280,17 +314,28 @@ updateScreenCursor (View *view)
 		ypos = 0;
 	}
 	if (owner) {
+		Rect        r = [owner absRect];
 		Extent      s = [owner size];
-		if (xpos > s.width - 1) {
+		if (xpos > r.extent.width - 1) {
-			xpos = s.width - 1;
+			xpos = r.extent.width - 1;
 		}
-		if (ypos > s.height - 1) {
+		if (ypos > r.extent.height - 1) {
-			ypos = s.height - 1;
+			ypos = r.extent.height - 1;
 		}
+		[self updateAbsPos: r.offset];
+	} else {
+		[self updateAbsPos: nil];
 	}
 	return self;
 }
 
+-updateAbsPos: (Point) absPos
+{
+	absRect.offset.x = absPos.x + xpos;
+	absRect.offset.y = absPos.y + ypos;
+	return self;
+}
+
 -resize: (Extent) delta
 {
 	xlen += delta.width;

ruamoko/qwaq/ui/window.r

@@ -241,6 +241,13 @@
 	return self;
 }
 
+-updateAbsPos: (Point) absPos
+{
+	[super updateAbsPos: absPos];
+	[objects updateAbsPos: absRect.offset];
+	return self;
+}
+
 -draw
 {
 	static box_sides_t box_sides = {