From cc43a876f5053ec7c4fa39f8805b2b4a6fdd19a4 Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Thu, 31 Aug 2023 14:33:25 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E9=9F=B3=E9=87=8F=E6=8E=A7?=
 =?UTF-8?q?=E5=88=B6=E5=92=8C=E9=9D=99=E9=9F=B3=E5=88=87=E6=8D=A2?=
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---
 mainwindow.cpp | 32 ++++++++++++++++++++++++++++----
 mainwindow.h   |  3 +++
 2 files changed, 31 insertions(+), 4 deletions(-)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 0027163..479c7f0 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -301,9 +301,22 @@ void MainWindow::player_rewind_or_forward(int seconds)
 {
     char changeSongBuf[128] = "";
     int len = sprintf(changeSongBuf, "seek %d\n", seconds); // 快进快退 seconds 秒 (seconds 为正->进，为负->退)
-    write(this->fifo_fd, changeSongBuf, len); // 将获取的下一首歌曲名写入到有名管道中
+    write(this->fifo_fd, changeSongBuf, len); // 将快进快退指令写入到有名管道中
 }
 
+void MainWindow::volume_control(int value)
+{
+    char changeSongBuf[128] = "";
+    int len = sprintf(changeSongBuf, "volume %d 1\n", value); // 音量调整到 value 大小
+    write(this->fifo_fd, changeSongBuf, len); // 将音量控制指令写入到有名管道中
+}
+
+void MainWindow::volume_mute_switch(int mute_arg)
+{
+    char changeSongBuf[128] = "";
+    int len = sprintf(changeSongBuf, "mute %d\n", mute_arg);   // mute_arg 静音开关参数 (1->静音，0->取消静音)
+    write(this->fifo_fd, changeSongBuf, len); // 将静音控制指令写入到有名管道中
+}
 
 void MainWindow::on_last_btn_clicked()
 {
@@ -317,15 +330,26 @@ void MainWindow::on_next_btn_clicked()
 
 void MainWindow::on_mute_btn_clicked()
 {
-
+    if(mute_flag == 0) // 没静音则按下后设置静音
+    {
+        ui->play_btn->setIcon(QIcon(":/icon/mute2"));
+//        volume_mute_switch(1);
+//        mute_flag = 1;
+        volume_mute_switch(++mute_flag);
+    }
+    else if (mute_flag == 1) // 已静音则按下后取消静音
+    {
+        ui->play_btn->setIcon(QIcon(":/icon/mute1"));
+        volume_mute_switch(--mute_flag);
+    }
 }
 
 void MainWindow::on_volume_down_btn_clicked()
 {
-
+    volume_control(-5); // 减 5 音量
 }
 
 void MainWindow::on_volume_up_btn_clicked()
 {
-
+    volume_control(5); // 加 5 音量
 }
diff --git a/mainwindow.h b/mainwindow.h
index efebef3..0031112 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -33,6 +33,7 @@ public:
     vector<string> vectorSong; // 歌曲名动态数组
 
     int play_btn_flag = 0; // play 按钮点击标识
+    int mute_flag = 0; // 静音状态标识
 
 public:
     MainWindow(QWidget *parent = nullptr);
@@ -48,6 +49,8 @@ public slots:
     void playNextSong(); // 切换歌曲槽函数I
     void playLastSong();
     void player_rewind_or_forward(int seconds); // 快进快退函数
+    void volume_control(int value); // 音量设置函数
+    void volume_mute_switch(int mute_arg); // 静音切换函数
     void setCurrentTimeLabel(int time); // 设置当前时间标签槽函数
     void setCurrentSlider(int currentProgress); // 设置当前进度条