From 6226daa04a9a0656e78df96ed0e8ca4771a609eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 17 Apr 2017 13:33:18 +0200
Subject: [PATCH] [apps/sequence] In term sum, enable to go directly to a rank
 n by typing its digits

Change-Id: I26905f856303a67fafbf6da54fef15060c85da2c
---
 apps/sequence/graph/term_sum_controller.cpp | 8 ++++++--
 apps/sequence/graph/term_sum_controller.h   | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/apps/sequence/graph/term_sum_controller.cpp b/apps/sequence/graph/term_sum_controller.cpp
index a78fc43e7..c7baf42ae 100644
--- a/apps/sequence/graph/term_sum_controller.cpp
+++ b/apps/sequence/graph/term_sum_controller.cpp
@@ -21,6 +21,7 @@ TermSumController::TermSumController(Responder * parentResponder, GraphView * gr
   m_sequence(nullptr),
   m_cursor(cursor),
   m_cursorView(VerticalCursorView()),
+  m_bufferCursorPosition(0),
   m_step(0),
   m_startSum(-1),
   m_endSum(-1)
@@ -46,6 +47,7 @@ void TermSumController::viewWillAppear() {
   m_contentView.graphView()->reload();
   m_contentView.layoutSubviews();
 
+  m_bufferCursorPosition = 0;
   m_startSum = -1;
   m_endSum = -1;
   m_step = 0;
@@ -75,10 +77,11 @@ bool TermSumController::handleEvent(Ion::Events::Event event) {
     return false;
   }
   if (event.hasText() && event.text()[0] >= '0' && event.text()[0] <= '9') {
-    if (m_step > 0 && event.text()[0]-'0' < m_cursor->x()) {
+    m_bufferCursorPosition = 10*m_bufferCursorPosition + event.text()[0]-'0';
+    if (m_step > 0 && m_bufferCursorPosition < m_cursor->x()) {
       return false;
     }
-    if (moveCursorHorizontallyToPosition(event.text()[0]-'0')) {
+    if (moveCursorHorizontallyToPosition(m_bufferCursorPosition)) {
       m_contentView.graphView()->reload();
       return true;
     }
@@ -92,6 +95,7 @@ bool TermSumController::handleEvent(Ion::Events::Event event) {
     }
     if (m_step == 0) {
       m_step++;
+      m_bufferCursorPosition = 0;
       m_startSum = m_cursor->x();
       m_contentView.legendView()->setSumSuperscript(m_startSum, m_cursor->x());
       m_contentView.legendView()->setLegendMessage(I18n::Message::SelectLastTerm);
diff --git a/apps/sequence/graph/term_sum_controller.h b/apps/sequence/graph/term_sum_controller.h
index ce8df12dd..9a65e6fc0 100644
--- a/apps/sequence/graph/term_sum_controller.h
+++ b/apps/sequence/graph/term_sum_controller.h
@@ -58,6 +58,7 @@ private:
   Sequence * m_sequence;
   Shared::CurveViewCursor * m_cursor;
   VerticalCursorView m_cursorView;
+  int m_bufferCursorPosition;
   int m_step;
   int m_startSum;
   int m_endSum;