feat: MDI(Multi-document Interface)

2019-11-09 00:40:05 +08:00
parent 4a776029c5
commit 537ba09214
23 changed files with 451 additions and 14 deletions
--- a/QtMDIEx/ExMainWindow.cpp
+++ b/QtMDIEx/ExMainWindow.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C)  2019 ~ 2019 touwoyimuli.  All rights reserved.
+ *
+ * Author:  touwoyimuli <touwoyimuli@gmai.com>
+ *
+ * github:  https://github.com/touwoyimuli
+ * blogs:   https://touwoyimuli.github.io/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://touwoyimuli.github.io/>.
+ */
+#include "ExMainWindow.h"
+#include "ui_ExMainWindow.h"
+
+ExMainWindow::ExMainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::ExMainWindow)
+{
+    ui->setupUi(this);
+    setCentralWidget(ui->mdiArea);
+    setWindowState(Qt::WindowMaximized);
+    ui->toolBar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+}
+
+ExMainWindow::~ExMainWindow()
+{
+    delete ui;
+}
+
+void ExMainWindow::closeEvent(QCloseEvent *e)
+{
+    ui->mdiArea->closeAllSubWindows();  //关闭所有子窗口
+    e->accept();
+}
+
+void ExMainWindow::on_actOpen_triggered()
+{
+    bool needNew = false;
+
+    ExMDI *mdi = nullptr;
+
+    if (ui->mdiArea->subWindowList().count() > 0) {  //如果有打开的主窗口，获取活动窗口
+        mdi =  (ExMDI *)ui->mdiArea->activeSubWindow()->widget();
+        needNew = mdi->isFileOpended();   //文件已经打开，需要新建窗口
+    } else {
+        needNew = true;
+    }
+
+    QString curPath = QDir::currentPath();
+    QString fileName = QFileDialog::getOpenFileName(this, "打开一个文件", curPath, "C程序文件(*.h *cpp);;文本文件(*.txt);;所有文件(*.*)");
+
+    if (fileName.isEmpty())
+        return;
+
+    if (needNew) {
+        mdi = new ExMDI(this);
+        ui->mdiArea->addSubWindow(mdi);
+    }
+
+    mdi->loadFromFile(fileName);
+    mdi->show();
+
+    ui->actCopy->setEnabled(true);
+    ui->actCut->setEnabled(true);
+    ui->actPaste->setEnabled(true);
+    ui->actFont->setEnabled(true);
+}