From 1f7ba888c97dfe939f7adc259086f2b3a2c0268d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 19 Sep 2016 15:22:24 +0200
Subject: [PATCH] [apps/graph] add an attribute "activate" to functions

Change-Id: I1a1f548c540a6e31fe9ce1aeb742bf6a6292362c
---
 apps/graph/function.cpp                      | 11 ++++++++++-
 apps/graph/function.h                        |  3 +++
 apps/graph/list/function_expression_view.cpp |  4 ++--
 apps/graph/list/function_name_view.cpp       |  3 ++-
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/apps/graph/function.cpp b/apps/graph/function.cpp
index 227d0818f..5c99cb4b4 100644
--- a/apps/graph/function.cpp
+++ b/apps/graph/function.cpp
@@ -12,7 +12,8 @@ Graph::Function::Function(const char * text, KDColor color) :
   m_color(color),
   m_name("f(x)"),
   m_expression(nullptr),
-  m_layout(nullptr)
+  m_layout(nullptr),
+  m_active(true)
 {
 }
 
@@ -47,3 +48,11 @@ ExpressionLayout * Graph::Function::layout() {
   }
   return m_layout;
 }
+
+bool Graph::Function::isActive() {
+  return m_active;
+}
+
+void Graph::Function::setActive(bool active) {
+  m_active = active;
+}
diff --git a/apps/graph/function.h b/apps/graph/function.h
index 3021f129a..fb04c2ded 100644
--- a/apps/graph/function.h
+++ b/apps/graph/function.h
@@ -16,12 +16,15 @@ public:
   KDColor color() const { return m_color; }
   Expression * expression();
   ExpressionLayout * layout();
+  bool isActive();
+  void setActive(bool active);
 private:
   const char * m_text;
   const char * m_name;
   KDColor m_color;
   Expression * m_expression;
   ExpressionLayout * m_layout;
+  bool m_active;
 };
 
 }
diff --git a/apps/graph/list/function_expression_view.cpp b/apps/graph/list/function_expression_view.cpp
index b127e167d..8a7ebc481 100644
--- a/apps/graph/list/function_expression_view.cpp
+++ b/apps/graph/list/function_expression_view.cpp
@@ -13,7 +13,8 @@ void FunctionExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
   bool evenLine = isEven();
   KDColor background = evenLine ? KDColor(0xEEEEEE) : KDColor(0x777777);
   ctx->fillRect(rect, background);
-  KDColor text = m_focused ? KDColorBlack : KDColorWhite;
+  bool active = function()->isActive();
+  KDColor text = active ? KDColorGreen : KDColorRed;
   KDColor textBackground = m_focused ? KDColorWhite : KDColorBlack;
 
   Graph::Function * function = FunctionExpressionView::function();
@@ -21,7 +22,6 @@ void FunctionExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
   // m_function->layout()->draw(ctx, KDPointZero);
 }
 
-
 void FunctionExpressionView::didBecomeFirstResponder() {
   m_focused = true;
   markRectAsDirty(bounds());
diff --git a/apps/graph/list/function_name_view.cpp b/apps/graph/list/function_name_view.cpp
index 98f7fe39c..e0b9b7ff8 100644
--- a/apps/graph/list/function_name_view.cpp
+++ b/apps/graph/list/function_name_view.cpp
@@ -14,7 +14,8 @@ void FunctionNameView::drawRect(KDContext * ctx, KDRect rect) const {
   bool evenLine = isEven();
   KDColor background = evenLine ? KDColor(0xEEEEEE) : KDColor(0x777777);
   ctx->fillRect(rect, background);
-  KDColor text = m_focused ? KDColorBlack : KDColorWhite;
+  bool active = function()->isActive();
+  KDColor text = active ? KDColorGreen : KDColorRed;
   KDColor textBackground = m_focused ? KDColorWhite : KDColorBlack;
 
   Graph::Function * function = FunctionNameView::function();