From 5aefcce24d74c9c2b9b31af7f54da2993c8d9098 Mon Sep 17 00:00:00 2001
From: Johannes Hilden <hildenjohannes@gmail.com>
Date: Sun, 15 Oct 2017 13:38:53 +0300
Subject: [PATCH] Add state machine for Auto Complete

---
 components/components.pro                     |  6 ++-
 components/qtmaterialautocomplete.cpp         | 11 ++++--
 .../qtmaterialautocomplete_internal.cpp       | 38 +++++++++++++++++++
 components/qtmaterialautocomplete_internal.h  | 24 ++++++++++++
 components/qtmaterialautocomplete_p.h         | 10 +++--
 5 files changed, 79 insertions(+), 10 deletions(-)
 create mode 100644 components/qtmaterialautocomplete_internal.cpp
 create mode 100644 components/qtmaterialautocomplete_internal.h

diff --git a/components/components.pro b/components/components.pro
index 62296e0..057048d 100644
--- a/components/components.pro
+++ b/components/components.pro
@@ -42,7 +42,8 @@ SOURCES = \
     qtmaterialautocomplete.cpp \
     qtmaterialpaper.cpp \
     qtmaterialtable.cpp \
-    layouts/qtmaterialsnackbarlayout.cpp
+    layouts/qtmaterialsnackbarlayout.cpp \
+    qtmaterialautocomplete_internal.cpp
 HEADERS = \
     qtmaterialavatar_p.h \
     qtmaterialavatar.h \
@@ -112,6 +113,7 @@ HEADERS = \
     qtmaterialtable.h \
     qtmaterialtable_p.h \
     layouts/qtmaterialsnackbarlayout.h \
-    layouts/qtmaterialsnackbarlayout_p.h
+    layouts/qtmaterialsnackbarlayout_p.h \
+    qtmaterialautocomplete_internal.h
 RESOURCES += \
     resources.qrc
diff --git a/components/qtmaterialautocomplete.cpp b/components/qtmaterialautocomplete.cpp
index c8e5fdd..ad0fa16 100644
--- a/components/qtmaterialautocomplete.cpp
+++ b/components/qtmaterialautocomplete.cpp
@@ -4,7 +4,7 @@
 #include <QtWidgets/QVBoxLayout>
 #include <QEvent>
 #include <QTimer>
-#include <QDebug>
+#include "qtmaterialautocomplete_internal.h"
 #include "qtmaterialflatbutton.h"
 
 /*!
@@ -34,9 +34,10 @@ void QtMaterialAutoCompletePrivate::init()
 {
     Q_Q(QtMaterialAutoComplete);
 
-    menu       = new QWidget;
-    menuLayout = new QVBoxLayout;
-    maxWidth   = 0;
+    stateMachine = new QtMaterialAutoCompleteStateMachine(q);
+    menu         = new QWidget;
+    menuLayout   = new QVBoxLayout;
+    maxWidth     = 0;
 
     menu->setParent(q->parentWidget());
 
@@ -53,6 +54,8 @@ void QtMaterialAutoCompletePrivate::init()
     menuLayout->setSpacing(0);
 
     QObject::connect(q, SIGNAL(textEdited(QString)), q, SLOT(updateResults(QString)));
+
+    stateMachine->start();
 }
 
 /*!
diff --git a/components/qtmaterialautocomplete_internal.cpp b/components/qtmaterialautocomplete_internal.cpp
new file mode 100644
index 0000000..23b3db7
--- /dev/null
+++ b/components/qtmaterialautocomplete_internal.cpp
@@ -0,0 +1,38 @@
+#include "qtmaterialautocomplete_internal.h"
+#include <QPropertyAnimation>
+
+/*!
+ *  \class QtMaterialAutoCompleteStateMachine
+ *  \internal
+ */
+
+/*!
+ *  \internal
+ */
+QtMaterialAutoCompleteStateMachine::QtMaterialAutoCompleteStateMachine(QtMaterialAutoComplete *parent)
+    : QStateMachine(parent),
+      m_autoComplete(parent),
+      m_closedState(new QState),
+      m_openState(new QState),
+      m_closingState(new QState)
+{
+    Q_ASSERT(parent);
+
+    addState(m_closedState);
+    addState(m_openState);
+    addState(m_closingState);
+    setInitialState(m_closedState);
+
+    QEventTransition *transition;
+
+    //transition = new QEventTransition(parent, QEvent::HoverEnter);
+    //transition->setTargetState(m_focusState);
+    //m_blurState->addTransition(transition);
+}
+
+/*!
+ *  \internal
+ */
+QtMaterialAutoCompleteStateMachine::~QtMaterialAutoCompleteStateMachine()
+{
+}
diff --git a/components/qtmaterialautocomplete_internal.h b/components/qtmaterialautocomplete_internal.h
new file mode 100644
index 0000000..c395eb8
--- /dev/null
+++ b/components/qtmaterialautocomplete_internal.h
@@ -0,0 +1,24 @@
+#ifndef QTMATERIALAUTOCOMPLETESTATEMACHINE_H
+#define QTMATERIALAUTOCOMPLETESTATEMACHINE_H
+
+#include <QStateMachine>
+#include "qtmaterialautocomplete.h"
+
+class QtMaterialAutoCompleteStateMachine : public QStateMachine
+{
+    Q_OBJECT
+
+public:
+    QtMaterialAutoCompleteStateMachine(QtMaterialAutoComplete *parent);
+    ~QtMaterialAutoCompleteStateMachine();
+
+private:
+    Q_DISABLE_COPY(QtMaterialAutoCompleteStateMachine)
+
+    QtMaterialAutoComplete *const m_autoComplete;
+    QState                 *m_closedState;
+    QState                 *m_openState;
+    QState                 *m_closingState;
+};
+
+#endif // QTMATERIALAUTOCOMPLETESTATEMACHINE_H
diff --git a/components/qtmaterialautocomplete_p.h b/components/qtmaterialautocomplete_p.h
index 8bec9f9..7d00776 100644
--- a/components/qtmaterialautocomplete_p.h
+++ b/components/qtmaterialautocomplete_p.h
@@ -6,6 +6,7 @@
 class QWidget;
 class QVBoxLayout;
 class QtMaterialAutoCompleteOverlay;
+class QtMaterialAutoCompleteStateMachine;
 
 class QtMaterialAutoCompletePrivate : public QtMaterialTextFieldPrivate
 {
@@ -18,10 +19,11 @@ public:
 
     void init();
 
-    QWidget     *menu;
-    QVBoxLayout *menuLayout;
-    QStringList  dataSource;
-    int          maxWidth;
+    QtMaterialAutoCompleteStateMachine *stateMachine;
+    QWidget                            *menu;
+    QVBoxLayout                        *menuLayout;
+    QStringList                         dataSource;
+    int                                 maxWidth;
 };
 
 #endif // QTMATERIALAUTOCOMPLETE_P_H