新增全局热键示例

hotkey/frmhotkey.cpp

@@ -0,0 +1,38 @@
+#include "frmhotkey.h"
+#include "ui_frmhotkey.h"
+#include "qhotkey.h"
+#include "qdatetime.h"
+#include "qdebug.h"
+
+frmHotKey::frmHotKey(QWidget *parent) : QWidget(parent), ui(new Ui::frmHotKey)
+{
+    ui->setupUi(this);
+    this->initForm();
+}
+
+frmHotKey::~frmHotKey()
+{
+    delete ui;
+}
+
+void frmHotKey::initForm()
+{
+    //实例化热键类
+    QHotkey *hotkey = new QHotkey(QKeySequence("ctrl+x"), true, this);
+    connect(hotkey, SIGNAL(activated()), this, SLOT(shortcut()));
+}
+
+void frmHotKey::shortcut()
+{
+#if 1
+    //如果是最小化则显示,否则最小化
+    if (this->isMinimized()) {
+        this->showNormal();
+        this->activateWindow();
+    } else {
+        this->showMinimized();
+    }
+#else
+    ui->label->setText("activated  " + QTime::currentTime().toString("hh:mm:ss zzz"));
+#endif
+}