From 7e2f038a8ba7d04e2ea156fdf32c35130f41e27a Mon Sep 17 00:00:00 2001
From: NaiJi <naijiworld@protonmail.com>
Date: Mon, 16 Aug 2021 21:54:03 +0300
Subject: [PATCH] Implement main menubar for the Editor

---
 src/gui/editor.cpp                | 27 +++++--------
 src/gui/editor.h                  |  4 +-
 src/gui/widgets/bpmcalculator.cpp | 66 +++++++++++++++++++++++++++++++
 src/gui/widgets/bpmcalculator.h   | 27 +++++++++++++
 src/gui/widgets/menubar.cpp       | 52 ++++++++++++++++++++++++
 src/gui/widgets/menubar.h         | 27 +++++++++++++
 src/gui/widgets/menubutton.h      | 22 +++++++++++
 src/gui/widgets/menudrop.cpp      | 44 +++++++++++++++++++++
 src/gui/widgets/menudrop.h        | 23 +++++++++++
 9 files changed, 272 insertions(+), 20 deletions(-)
 create mode 100644 src/gui/widgets/bpmcalculator.cpp
 create mode 100644 src/gui/widgets/bpmcalculator.h
 create mode 100644 src/gui/widgets/menubar.cpp
 create mode 100644 src/gui/widgets/menubar.h
 create mode 100644 src/gui/widgets/menubutton.h
 create mode 100644 src/gui/widgets/menudrop.cpp
 create mode 100644 src/gui/widgets/menudrop.h

diff --git a/src/gui/editor.cpp b/src/gui/editor.cpp
index 8b71126..2941975 100644
--- a/src/gui/editor.cpp
+++ b/src/gui/editor.cpp
@@ -1,36 +1,27 @@
 #include "editor.h"
 #include "widgets/button.h"
 #include "widgets/group.h"
+#include "widgets/menubar.h"
 #include "tools/bpmcalculator.h"
 
 #include <iostream>
 
 Editor::Editor(sf::RenderWindow& game_window, Callbacks&& callbacks, std::unique_ptr<Music>&& music) :
-    _buttons(std::make_shared<Group>()),
+    _menu_bar(std::make_shared<MenuBar>()),
     _game_window(game_window),
     _music(std::move(music)),
     _bpm_calculator(std::make_unique<BPMCalculator>(_music))
 {
     (void)callbacks;
     const float window_width = game_window.getSize().x;
-    const float window_height = game_window.getSize().y;
+    //const float window_height = game_window.getSize().y;
 
-    _music->openFromFile("Uta-test.flac");
-    _music->setVolume(20);
-
-    std::shared_ptr<Button> button_start = std::make_shared<Button>("Start");
-    button_start->setRect(sf::FloatRect(window_width / 3., window_height / 7. * 2, window_width / 3., window_height / 7.));
-    button_start->setCallback([&]()
-    {
-        _bpm_calculator->startListening(0);
-    });
-
-    _buttons->addChild(button_start);
+    _menu_bar->setRect(sf::FloatRect(0, 0, window_width, 27));
 }
 
 void Editor::input(const sf::Event& event)
 {
-    _buttons->input(event);
+    _menu_bar->input(event);
 
     if (event.type == sf::Event::KeyPressed && event.key.code == sf::Keyboard::Space)
     {
@@ -41,21 +32,21 @@ void Editor::input(const sf::Event& event)
 
 void Editor::update()
 {
-    _buttons->update();
+    _menu_bar->update();
 }
 
 void Editor::draw() const
 {
-    _game_window.draw(*_buttons);
+    _game_window.draw(*_menu_bar);
 }
 
 void Editor::enter()
 {
-    _buttons->setVisibility();
+    _menu_bar->setVisibility();
 }
 
 void Editor::leave()
 {
-    _buttons->setVisibility(false);
+    _menu_bar->setVisibility(false);
 }
 
diff --git a/src/gui/editor.h b/src/gui/editor.h
index 3285a1c..8f1e17d 100644
--- a/src/gui/editor.h
+++ b/src/gui/editor.h
@@ -5,7 +5,7 @@
 
 #include <SFML/Graphics/RenderWindow.hpp>
 
-class Group;
+class MenuBar;
 class BPMCalculator;
 
 class Editor : public GUIState
@@ -26,7 +26,7 @@ public:
     virtual void leave() override;
 
 private:
-    std::shared_ptr<Group> _buttons;
+    std::shared_ptr<MenuBar> _menu_bar;
     sf::RenderWindow& _game_window;
 
     std::shared_ptr<Music> _music;
diff --git a/src/gui/widgets/bpmcalculator.cpp b/src/gui/widgets/bpmcalculator.cpp
new file mode 100644
index 0000000..0129209
--- /dev/null
+++ b/src/gui/widgets/bpmcalculator.cpp
@@ -0,0 +1,66 @@
+#include "bpmcalculator.h"
+
+BPMCalculatorWindow::BPMCalculatorWindow() :
+    _pressed(false)
+{
+    _button_text.setFillColor(sf::Color::Black);
+    _button_content.setFillColor(sf::Color::White);
+}
+
+void BPMCalculatorWindow::input(const sf::Event& event)
+{
+    switch (event.type)
+    {
+    default:
+        break;
+
+    case sf::Event::MouseButtonPressed:
+        if (isUnderMouse(event.mouseButton.x, event.mouseButton.y))
+        {
+            _pressed = true;
+            _button_content.setFillColor(sf::Color(155, 155, 155));
+        }
+        break;
+
+    case sf::Event::MouseButtonReleased:
+        if (_pressed)
+        {
+            _button_content.setFillColor(sf::Color::White);
+            _pressed = false;
+            if (isUnderMouse(event.mouseButton.x, event.mouseButton.y))
+                _on_click_callback();
+        }
+        break;
+    }
+
+    Widget::input(event);
+}
+
+void BPMCalculatorWindow::update()
+{
+    Widget::update();
+}
+
+void BPMCalculatorWindow::draw(sf::RenderTarget& target, sf::RenderStates states) const
+{
+    target.draw(_button_content, states);
+    target.draw(_button_text, states);
+
+    Widget::draw(target, states);
+}
+
+void BPMCalculatorWindow::setRect(const sf::FloatRect& rect)
+{
+    _button_content.setPosition(rect.left, rect.top);
+    _button_content.setSize({rect.width, rect.height});
+}
+
+void BPMCalculatorWindow::setPosition(const sf::Vector2f &position)
+{
+    _button_content.setPosition(position);
+}
+
+bool BPMCalculatorWindow::isUnderMouse(int mouse_x, int mouse_y) const
+{
+    return _button_content.getGlobalBounds().contains(mouse_x, mouse_y);
+}
diff --git a/src/gui/widgets/bpmcalculator.h b/src/gui/widgets/bpmcalculator.h
new file mode 100644
index 0000000..1c44ed8
--- /dev/null
+++ b/src/gui/widgets/bpmcalculator.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include "widget.h"
+#include <functional>
+#include <SFML/Graphics/RectangleShape.hpp>
+#include <SFML/Graphics/Text.hpp>
+
+class BPMCalculatorWindow : public Widget
+{
+public:
+    BPMCalculatorWindow();
+
+    virtual void input(const sf::Event& event) override;
+    virtual void update() override;
+    virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
+    virtual void setRect(const sf::FloatRect& rect) override;
+    virtual void setPosition(const sf::Vector2f& position) override;
+    virtual bool isUnderMouse(int mouse_x, int mouse_y) const override;
+
+private:
+    sf::RectangleShape _button_content;
+    sf::Text _button_text;
+    bool _pressed;
+
+    std::function<void(void)> _on_click_callback;
+};
+
diff --git a/src/gui/widgets/menubar.cpp b/src/gui/widgets/menubar.cpp
new file mode 100644
index 0000000..de0510b
--- /dev/null
+++ b/src/gui/widgets/menubar.cpp
@@ -0,0 +1,52 @@
+#include "menubar.h"
+#include "iostream"
+MenuBar::MenuBar()
+{
+}
+
+void MenuBar::input(const sf::Event &event)
+{
+    Widget::input(event);
+
+    for (const auto& bar_button : _bar_buttons)
+        bar_button->input(event);
+}
+
+void MenuBar::update()
+{
+    Widget::update();
+}
+
+void MenuBar::draw(sf::RenderTarget& target, sf::RenderStates states) const
+{
+    Widget::draw(target, states);
+
+    target.draw(_bar_rect, states);
+
+    for (const auto& bar_button : _bar_buttons)
+        target.draw(*bar_button, states);
+}
+
+void MenuBar::setRect(const sf::FloatRect& rect)
+{
+    _bar_rect.setPosition(rect.left, rect.top);
+    _bar_rect.setSize({rect.width, rect.height});
+
+    int x = 0;
+    int button_width = 100;
+    for (const auto& bar_button : _bar_buttons)
+    {
+        bar_button->setRect(sf::FloatRect(x, 0, button_width, _bar_rect.getSize().y));
+        x += button_width;
+    }
+}
+
+void MenuBar::setPosition(const sf::Vector2f& position)
+{
+    _bar_rect.setPosition(position);
+}
+
+bool MenuBar::isUnderMouse(int mouse_x, int mouse_y) const
+{
+    return _bar_rect.getGlobalBounds().contains(mouse_x, mouse_y);
+}
diff --git a/src/gui/widgets/menubar.h b/src/gui/widgets/menubar.h
new file mode 100644
index 0000000..3f20ec8
--- /dev/null
+++ b/src/gui/widgets/menubar.h
@@ -0,0 +1,27 @@
+#pragma once
+
+#include "widget.h"
+#include "menubutton.h"
+#include "menudrop.h"
+
+#include <SFML/Graphics/RectangleShape.hpp>
+
+class MenuBar : public Widget
+{
+public:
+    explicit MenuBar();
+
+    virtual void input(const sf::Event& event) override;
+    virtual void update() override;
+    virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
+    virtual void setRect(const sf::FloatRect& rect) override;
+    virtual void setPosition(const sf::Vector2f& position) override;
+    virtual bool isUnderMouse(int mouse_x, int mouse_y) const override;
+
+    bool isActive() const;
+    void addSubMenu(std::unique_ptr<MenuDrop>&& submenu);
+
+private:
+    sf::RectangleShape _bar_rect;
+    std::vector<std::unique_ptr<MenuButton>> _bar_buttons;
+};
diff --git a/src/gui/widgets/menubutton.h b/src/gui/widgets/menubutton.h
new file mode 100644
index 0000000..55155e1
--- /dev/null
+++ b/src/gui/widgets/menubutton.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "widget.h"
+
+#include <SFML/Graphics/RectangleShape.hpp>
+
+class MenuButton : public Widget
+{
+public:
+    explicit MenuButton(std::string&& text);
+
+    virtual void input(const sf::Event& event) = 0;
+    virtual void update() = 0;
+    virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const = 0;
+    virtual void setRect(const sf::FloatRect& rect) = 0;
+    virtual void setPosition(const sf::Vector2f& position) = 0;
+    virtual bool isUnderMouse(int mouse_x, int mouse_y) const = 0;
+
+    virtual bool isActive() const = 0;
+    virtual void setActive(bool is_active) = 0;
+    virtual void setHovered(bool is_hovered) = 0;
+};
diff --git a/src/gui/widgets/menudrop.cpp b/src/gui/widgets/menudrop.cpp
new file mode 100644
index 0000000..691e358
--- /dev/null
+++ b/src/gui/widgets/menudrop.cpp
@@ -0,0 +1,44 @@
+#include "menudrop.h"
+
+void MenuDrop::input(const sf::Event &event)
+{
+    for (auto& child : _children)
+        child->input(event);
+}
+
+void MenuDrop::update()
+{
+    for (auto& child : _children)
+        child->update();
+}
+
+void MenuDrop::draw(sf::RenderTarget& target, sf::RenderStates states) const
+{
+    if (!_is_visible)
+        return;
+
+    for (auto& child : _children)
+        child->draw(target, states);
+}
+
+void MenuDrop::setRect(const sf::FloatRect& rect)
+{
+    (void)rect;
+    /*_bar_rect.setPosition(rect.left, rect.top);
+    _bar_rect.setSize({rect.width, rect.height});
+
+    _bar_button_rect.setSize(sf::Vector2f(100, _bar_rect.getSize().y));*/
+}
+
+void MenuDrop::setPosition(const sf::Vector2f& position)
+{
+    (void)position;
+    //_bar_rect.setPosition(position);
+}
+
+bool MenuDrop::isUnderMouse(int mouse_x, int mouse_y) const
+{
+    (void)mouse_x;
+    (void)mouse_y;
+    return false;//_bar_rect.getGlobalBounds().contains(mouse_x, mouse_y);
+}
diff --git a/src/gui/widgets/menudrop.h b/src/gui/widgets/menudrop.h
new file mode 100644
index 0000000..e618524
--- /dev/null
+++ b/src/gui/widgets/menudrop.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "widget.h"
+
+#include <SFML/Graphics/RectangleShape.hpp>
+
+class MenuDrop : public Widget
+{
+public:
+    virtual void input(const sf::Event& event) override;
+    virtual void update() override;
+    virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
+    virtual void setRect(const sf::FloatRect& rect) override;
+    virtual void setPosition(const sf::Vector2f& position) override;
+    virtual bool isUnderMouse(int mouse_x, int mouse_y) const override;
+
+private:
+    sf::RectangleShape _content_rect;
+    sf::RectangleShape _bar_button_rect;
+
+    sf::RectangleShape _drop_rect;
+    sf::RectangleShape _drop_button_rect;
+};