Initial commit

.gitignore

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+build/
+.vscode/
+test**

README.md

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+# MeloNote
+
+> 开发中...
+
+轻量的旋律灵感记录器。

workspace/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+
+project(MeloNote VERSION 0.1 LANGUAGES CXX)
+
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets)
+
+set(PROJECT_SOURCES
+        core.cpp
+        core.h
+        main.cpp
+        mainwindow.cpp
+        mainwindow.h
+        mainwindow.ui
+)
+
+if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
+    qt_add_executable(MeloNote
+        MANUAL_FINALIZATION
+        ${PROJECT_SOURCES}
+    )
+# Define target properties for Android with Qt 6 as:
+#    set_property(TARGET MeloNote APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
+#                 ${CMAKE_CURRENT_SOURCE_DIR}/android)
+# For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation
+else()
+    if(ANDROID)
+        add_library(MeloNote SHARED
+            ${PROJECT_SOURCES}
+        )
+# Define properties for Android with Qt 5 after find_package() calls as:
+#    set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android")
+    else()
+        add_executable(MeloNote
+            ${PROJECT_SOURCES}
+        )
+    endif()
+endif()
+
+target_link_libraries(MeloNote PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
+
+# Qt for iOS sets MACOSX_BUNDLE_GUI_IDENTIFIER automatically since Qt 6.1.
+# If you are developing for iOS or macOS you should consider setting an
+# explicit, fixed bundle identifier manually though.
+if(${QT_VERSION} VERSION_LESS 6.1.0)
+  set(BUNDLE_ID_OPTION MACOSX_BUNDLE_GUI_IDENTIFIER com.example.MeloNote)
+endif()
+set_target_properties(MeloNote PROPERTIES
+    ${BUNDLE_ID_OPTION}
+    MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}
+    MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}
+    MACOSX_BUNDLE TRUE
+    WIN32_EXECUTABLE TRUE
+)
+
+include(GNUInstallDirs)
+install(TARGETS MeloNote
+    BUNDLE DESTINATION .
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+if(QT_VERSION_MAJOR EQUAL 6)
+    qt_finalize_executable(MeloNote)
+endif()

workspace/core.cpp

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+#include "core.h"
+#include <iostream>
+using namespace std;
+void NoteList::calc_dtime()
+{
+  for (int i = 1; i < list.size(); i++)
+  {
+    auto dt = list[i].time - list[i - 1].time;
+    dtime.push_back(dt);
+  }
+  dtime_ready = 1;
+}
+double time_try(const ull &dt)
+{
+  // TODO
+}
+double NoteList::calc_bpm()
+{
+  // 若开头存在4个以上0则使用其计算bpm
+  unsigned cnt;
+  for (cnt = 0; cnt < list.size(); cnt++)
+  {
+    if (list[cnt].name != "0")
+      break;
+  }
+  if (cnt >= 4)
+  {
+    auto t1 = list[cnt - 4].time;
+    auto t2 = list[cnt - 1].time;
+    // TODO: 计算
+    bpm_ready = 1;
+    return bpm;
+  }
+  // 否则使用后续的操作猜测bpm
+  if (dtime_ready)
+    calc_dtime();
+  // TODO: sort(dtime)
+}
+void NoteList::key_log(const string &s, const ull &t)
+{
+  push_back(NoteEvent(s, t));
+}
+
+void NoteEvent::show() const
+{
+  cout << name << " " << time << endl;
+}
+void NoteList::show() const
+{
+  for (auto &i : list)
+  {
+    i.show();
+  }
+}
+void NoteList::clear() { list.clear(); }

workspace/core.h

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+#pragma once
+
+#include <string>
+#include <vector>
+#define ull unsigned long long
+using namespace std;
+class NoteEvent
+{
+  string name;
+  int prefix;
+  string suffix;
+  ull time;
+  friend class NoteList;
+
+public:
+  NoteEvent(const string &str, const ull &t)
+      : name(str), time(t){};
+  void show() const;
+};
+class NoteList
+{
+  vector<NoteEvent> list;
+  bool dtime_ready;
+  vector<ull> dtime;
+  double time_try(const ull &);
+  void calc_dtime();
+  bool bpm_ready;
+  double bpm;
+  double calc_bpm();
+
+public:
+  void push_back(const NoteEvent &e) { list.push_back(e); }
+  double get_bpm();
+  double set_bpm();
+  void key_log(const string &s, const ull &t);
+  void show() const;
+  void clear();
+};

workspace/keyrecorderwindow.cpp

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+#include "keyrecorderwindow.h"
+#include "./ui_keyrecorderwindow.h"
+
+KeyRecorderWindow::KeyRecorderWindow(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::KeyRecorderWindow)
+{
+    ui->setupUi(this);
+}
+
+KeyRecorderWindow::~KeyRecorderWindow()
+{
+    delete ui;
+}
+
+void KeyRecorderWindow::on_pushButton_clicked()
+{
+
+}
+

workspace/keyrecorderwindow.h

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+#ifndef KEYRECORDERWINDOW_H
+#define KEYRECORDERWINDOW_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class KeyRecorderWindow;
+}
+QT_END_NAMESPACE
+
+class KeyRecorderWindow : public QWidget
+{
+    Q_OBJECT
+
+public:
+    KeyRecorderWindow(QWidget *parent = nullptr);
+    ~KeyRecorderWindow();
+
+private:
+    Ui::KeyRecorderWindow *ui;
+};
+#endif // KEYRECORDERWINDOW_H

workspace/keyrecorderwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>KeyRecorderWindow</class>
+ <widget class="QWidget" name="KeyRecorderWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>228</width>
+    <height>123</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>KeyRecorderWindow</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QPushButton" name="pushButton">
+     <property name="text">
+      <string>Start</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

workspace/main.cpp

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+#include "mainwindow.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    return a.exec();
+}

workspace/mainwindow.cpp

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+#include "mainwindow.h"
+#include "./ui_mainwindow.h"
+#include "core.h"
+#include <iostream>
+using namespace std;
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent), ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    start_time = 0;
+    is_Recording = 0;
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::on_start_stop_button_clicked()
+{
+    cout << "Called!" << endl;
+    if (!is_Recording)
+    {
+        is_Recording = 1;
+        current_list.clear();
+        start_time = QDateTime::currentMSecsSinceEpoch();
+    }
+    else
+    {
+        is_Recording = 0;
+        current_list.show();
+    }
+}
+
+void MainWindow::keyPressEvent(QKeyEvent *event)
+{
+    if (is_Recording && !event->isAutoRepeat())
+    {                                                                        // 判定是否在记录，忽略长按时的自动重复
+        qint64 timestamp = QDateTime::currentMSecsSinceEpoch() - start_time; // 获取当前时间戳
+        current_list.key_log(QString(event->text().at(0)).toStdString(), timestamp);
+    }
+    QWidget::keyPressEvent(event); // 保证正常的按键事件处理
+}

workspace/mainwindow.h

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+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QWidget>
+#include <QPushButton>
+#include <QKeyEvent>
+#include <QDateTime>
+#include "core.h"
+QT_BEGIN_NAMESPACE
+namespace Ui {
+class MainWindow;
+}
+QT_END_NAMESPACE
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    MainWindow(QWidget *parent = nullptr);
+    ~MainWindow();
+protected:
+    void keyPressEvent(QKeyEvent *event) override;
+private slots:
+    void on_start_stop_button_clicked();
+
+private:
+    Ui::MainWindow *ui;
+    bool is_Recording;
+    qint64 start_time;
+    NoteList current_list;
+};
+#endif // MAINWINDOW_H

workspace/mainwindow.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>236</width>
+    <height>212</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QPushButton" name="start_stop_button">
+      <property name="text">
+       <string>PushButton</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>236</width>
+     <height>24</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

workspace/melotest_zh_CN.ts

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+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE TS>
+<TS version="2.1" language="zh_CN"></TS>