* LyXFunc::dispatch(): invert BufferView::dispatch() and cursor::dispatch() calling.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22227 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView.cpp

@@ -862,7 +862,7 @@ FuncStatus BufferView::getStatus(FuncRequest const & cmd)
 }
 
 
-Update::flags BufferView::dispatch(FuncRequest const & cmd)
+bool BufferView::dispatch(FuncRequest const & cmd)
 {
 	//lyxerr << [ cmd = " << cmd << "]" << endl;
 
@@ -874,27 +874,21 @@ Update::flags BufferView::dispatch(FuncRequest const & cmd)
 		<< " button[" << cmd.button() << ']');
 
 	Cursor & cur = d->cursor_;
-	// Default Update flags.
-	Update::flags updateFlags = Update::Force | Update::FitCursor;
 
 	switch (cmd.action) {
 
 	case LFUN_UNDO:
 		cur.message(_("Undo"));
 		cur.clearSelection();
-		if (!cur.textUndo()) {
+		if (!cur.textUndo())
 			cur.message(_("No further undo information"));
-			updateFlags = Update::None;
-		}
 		break;
 
 	case LFUN_REDO:
 		cur.message(_("Redo"));
 		cur.clearSelection();
-		if (!cur.textRedo()) {
+		if (!cur.textRedo())
 			cur.message(_("No further redo information"));
-			updateFlags = Update::None;
-		}
 		break;
 
 	case LFUN_FONT_STATE:
@@ -945,7 +939,6 @@ Update::flags BufferView::dispatch(FuncRequest const & cmd)
 					theLyXFunc().dispatch(FuncRequest(
 						LFUN_BUFFER_SWITCH, b->absFileName()));
 					theLyXFunc().dispatch(cmd);
-					updateFlags = Update::None;
 				}
 				break;
 			}
@@ -1175,13 +1168,14 @@ Update::flags BufferView::dispatch(FuncRequest const & cmd)
 		d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
 		//FIXME: what to do with cur.x_target()?
 		cur.finishUndo();
-		// The metrics are already up to date. see scroll()
-		updateFlags = Update::None;
 		break;
 	}
 
 	case LFUN_SCREEN_UP_SELECT:
 	case LFUN_SCREEN_DOWN_SELECT: {
+		// Those two are not ready yet for consumption.
+		return false;
+
 		cur.selHandle(true);
 		size_t initial_depth = cur.depth();
 		Point const p = getPos(cur, cur.boundary());
@@ -1197,15 +1191,14 @@ Update::flags BufferView::dispatch(FuncRequest const & cmd)
 		// But no screen update is needed.
 		d->update_strategy_ = NoScreenUpdate;
 		buffer_.changed();
-		updateFlags = Update::Force | Update::FitCursor;
 		break;
 	}
 
 	default:
-		updateFlags = Update::None;
+		return false;
 	}
 
-	return updateFlags;
+	return true;
 }
 
 

src/BufferView.h

@@ -151,8 +151,8 @@ public:
 	/// return true for events that will handle.
 	FuncStatus getStatus(FuncRequest const & cmd);
 	/// execute the given function.
-	/// \return the Update::flags for further metrics update.
-	Update::flags dispatch(FuncRequest const & argument);
+	/// \return true if the function has been processed.
+	bool dispatch(FuncRequest const & argument);
 
 	/// request an X11 selection.
 	/// \return the selected string.

src/LyXFunc.cpp

@@ -1744,7 +1744,7 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 			LyX::ref().session().bookmarks().clear();
 			break;
 
-		default: {
+		default:
 			BOOST_ASSERT(theApp());
 			// Let the frontend dispatch its own actions.
 			if (theApp()->dispatch(cmd))
@@ -1759,20 +1759,21 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 				break;
 			}
 
-			// FIXME: Probably a good idea to inverse the Cursor and BufferView
-			// dispatching.
+			BOOST_ASSERT(lyx_view_->view());
+			// Let the current BufferView dispatch its own actions.
+			if (view()->dispatch(cmd)) {
+				// The BufferView took care of its own updates if needed.
+				updateFlags = Update::None;
+				break;
+			}
 
 			// Let the current Cursor dispatch its own actions.
-			BOOST_ASSERT(lyx_view_->view());
 			view()->cursor().getPos(cursorPosBeforeDispatchX_,
 						cursorPosBeforeDispatchY_);
 			view()->cursor().dispatch(cmd);
 			updateFlags = view()->cursor().result().update();
-			if (!view()->cursor().result().dispatched())
-				// Let the current BufferView dispatch its own actions.
-				updateFlags = view()->dispatch(cmd);
-			break;
-		}
+			// Verify that the action has been dispatched.
+			BOOST_ASSERT(view()->cursor().result().dispatched());
 		}
 
 		if (lyx_view_ && lyx_view_->buffer()) {

src/Text3.cpp

@@ -486,6 +486,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 		} else {
 			cur.undispatched();
 		}
+		cur.updateFlags(Update::FitCursor);
 		break;
 
 	case LFUN_BUFFER_END:
@@ -496,6 +497,7 @@ void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 		} else {
 			cur.undispatched();
 		}
+		cur.updateFlags(Update::FitCursor);
 		break;
 
 	case LFUN_CHAR_FORWARD: