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feat: MDI(Multi-document Interface)

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This commit is contained in:
touwoyimuli 2019-11-09 00:40:05 +08:00
parent 4a776029c5
commit 537ba09214
23 changed files with 451 additions and 14 deletions
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58
QtMDIEx/ExMDI.cpp
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@ -19,8 +19,6 @@
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://touwoyimuli.github.io/>. * along with this program. If not, see <https://touwoyimuli.github.io/>.
*/ */
#include "ExMDI.h" #include "ExMDI.h"
#include "ui_ExMDI.h" #include "ui_ExMDI.h"
@ -29,9 +27,65 @@ ExMDI::ExMDI(QWidget *parent) :
ui(new Ui::ExMDI) ui(new Ui::ExMDI)
{ {
ui->setupUi(this); ui->setupUi(this);
setWindowTitle("多文档界面MDI (Multi-dociment Interface) 的介绍和使用");
setAttribute(Qt::WA_DeleteOnClose); //无论是否设置关闭时候删除；在MDI中关闭一个MDI子窗口都会删除子窗口对象
this->setWindowIcon(QIcon("/Users/yuanyi/picture/发布、头像、测试图片/icon.png"));
} }
ExMDI::~ExMDI() ExMDI::~ExMDI()
{ {
delete ui; delete ui;
} }
//打开文件
void ExMDI::loadFromFile(QString &fileName)
{
QFile file(fileName); //文件以读的方式读出
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream stream(&file); //以文本流方式读取文件
ui->plainTextEdit->clear();
ui->plainTextEdit->setPlainText(stream.readAll());
file.close();
m_currentFile = fileName;
QFileInfo fileInfo(fileName); //文件信息
setWindowTitle(fileInfo.fileName());
m_fileOpened = true;
}
}
QString ExMDI::currentFileName()
{
return m_currentFile;
}
bool ExMDI::isFileOpended()
{
return m_fileOpened;
}
void ExMDI::setEditFont()
{
QFont font = ui->plainTextEdit->font();
bool ok;
font = QFontDialog::getFont(&ok, font);
ui->plainTextEdit->setFont(font);
}
void ExMDI::textCut()
{
ui->plainTextEdit->cut();
}
void ExMDI::textCopy()
{
ui->plainTextEdit->copy();
}
void ExMDI::textPaste()
{
ui->plainTextEdit->paste();
}

21
QtMDIEx/ExMDI.h
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@ -19,11 +19,16 @@
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://touwoyimuli.github.io/>. * along with this program. If not, see <https://touwoyimuli.github.io/>.
*/ */
#ifndef EXMDI_H #ifndef EXMDI_H
#define EXMDI_H #define EXMDI_H
#include <QWidget> #include <QWidget>
#include <QTextStream>
#include <QFileInfo>
#include <QFontDialog>
#include <QFile>
#include <QIODevice>
#include <QIcon>
namespace Ui { namespace Ui {
class ExMDI; class ExMDI;
@ -37,8 +42,22 @@ public:
explicit ExMDI(QWidget *parent = nullptr); explicit ExMDI(QWidget *parent = nullptr);
~ExMDI(); ~ExMDI();
void loadFromFile(QString& fileName); //打开文件
QString currentFileName(); //返回当前文件名
bool isFileOpended(); //文件已经打开
void setEditFont();
void textCut();
void textCopy();
void textPaste();
private: private:
Ui::ExMDI *ui; Ui::ExMDI *ui;
QString m_currentFile; //当前文件
bool m_fileOpened; //true 打开；false 未打开
}; };
#endif // EXMDI_H #endif // EXMDI_H
;

13
QtMDIEx/ExMDI.ui
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@ -1,3 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0"> <ui version="4.0">
<class>ExMDI</class> <class>ExMDI</class>
<widget class="QWidget" name="ExMDI"> <widget class="QWidget" name="ExMDI">
@ -5,16 +6,20 @@
<rect> <rect>
<x>0</x> <x>0</x>
<y>0</y> <y>0</y>
<width>400</width> <width>933</width>
<height>300</height> <height>552</height>
</rect> </rect>
</property> </property>
<property name="windowTitle"> <property name="windowTitle">
<string>ExMDI</string> <string>ExMDI</string>
</property> </property>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
<widget class="QPlainTextEdit" name="plainTextEdit"/>
</item>
</layout>
</widget> </widget>
<layoutDefault spacing="6" margin="11" /> <layoutdefault spacing="6" margin="11"/>
<pixmapfunction></pixmapfunction>
<resources/> <resources/>
<connections/> <connections/>
</ui> </ui>

77
QtMDIEx/ExMainWindow.cpp Normal file
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@ -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);
}

55
QtMDIEx/ExMainWindow.h Normal file
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@ -0,0 +1,55 @@
/*
* 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/>.
*/
#ifndef EXMAINWINDOW_H
#define EXMAINWINDOW_H
#include <QMainWindow>
#include <QCloseEvent>
#include <QDir>
#include <QFileDialog>
#include <QMdiSubWindow>
#include "ExMDI.h"
namespace Ui {
class ExMainWindow;
}
class ExMainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit ExMainWindow(QWidget *parent = nullptr);
~ExMainWindow();
private slots:
void on_actOpen_triggered();
private:
void closeEvent(QCloseEvent *e); //主窗口关闭时关闭所有子窗口
private:
Ui::ExMainWindow *ui;
};
#endif // EXMAINWINDOW_H

203
QtMDIEx/ExMainWindow.ui Normal file
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@ -0,0 +1,203 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ExMainWindow</class>
<widget class="QMainWindow" name="ExMainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget">
<widget class="QMdiArea" name="mdiArea">
<property name="geometry">
<rect>
<x>100</x>
<y>70</y>
<width>561</width>
<height>321</height>
</rect>
</property>
</widget>
</widget>
<widget class="QStatusBar" name="statusbar"/>
<widget class="QToolBar" name="toolBar">
<property name="windowTitle">
<string>toolBar</string>
</property>
<attribute name="toolBarArea">
<enum>TopToolBarArea</enum>
</attribute>
<attribute name="toolBarBreak">
<bool>false</bool>
</attribute>
<addaction name="actNew"/>
<addaction name="actOpen"/>
<addaction name="separator"/>
<addaction name="actFont"/>
<addaction name="actCopy"/>
<addaction name="actCut"/>
<addaction name="actPaste"/>
<addaction name="separator"/>
<addaction name="actView"/>
<addaction name="actCascade"/>
<addaction name="actTile"/>
<addaction name="actClose"/>
<addaction name="separator"/>
<addaction name="actQuit"/>
</widget>
<action name="actOpen">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/6.jpg</normaloff>:/images/6.jpg</iconset>
</property>
<property name="text">
<string>打开</string>
</property>
<property name="toolTip">
<string>打开文件</string>
</property>
<property name="shortcut">
<string>Ctrl+O</string>
</property>
</action>
<action name="actQuit">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/7.png</normaloff>:/images/7.png</iconset>
</property>
<property name="text">
<string>退出</string>
</property>
<property name="toolTip">
<string>退出程序</string>
</property>
<property name="shortcut">
<string>Ctrl+Q</string>
</property>
</action>
<action name="actNew">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/8.png</normaloff>:/images/8.png</iconset>
</property>
<property name="text">
<string>新建</string>
</property>
<property name="toolTip">
<string>新建文档</string>
</property>
<property name="shortcut">
<string>Ctrl+N</string>
</property>
</action>
<action name="actFont">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/10.png</normaloff>:/images/10.png</iconset>
</property>
<property name="text">
<string>字体</string>
</property>
<property name="toolTip">
<string>设置字体</string>
</property>
</action>
<action name="actCut">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/11.png</normaloff>:/images/11.png</iconset>
</property>
<property name="text">
<string>剪切</string>
</property>
<property name="toolTip">
<string>剪切文本</string>
</property>
</action>
<action name="actCopy">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/12.png</normaloff>:/images/12.png</iconset>
</property>
<property name="text">
<string>拷贝</string>
</property>
<property name="toolTip">
<string>拷贝文本</string>
</property>
</action>
<action name="actPaste">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/5.png</normaloff>:/images/5.png</iconset>
</property>
<property name="text">
<string>粘贴</string>
</property>
<property name="toolTip">
<string>粘贴文本</string>
</property>
</action>
<action name="actView">
<property name="checkable">
<bool>true</bool>
</property>
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/4.png</normaloff>:/images/4.png</iconset>
</property>
<property name="text">
<string>MDI模式</string>
</property>
<property name="toolTip">
<string>页面模式</string>
</property>
</action>
<action name="actCascade">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/2.png</normaloff>:/images/2.png</iconset>
</property>
<property name="text">
<string>级联展开</string>
</property>
<property name="toolTip">
<string>窗口级联展开</string>
</property>
</action>
<action name="actTile">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/1.png</normaloff>:/images/1.png</iconset>
</property>
<property name="text">
<string>平铺展开</string>
</property>
<property name="toolTip">
<string>窗口平铺展开</string>
</property>
</action>
<action name="actClose">
<property name="icon">
<iconset resource="resources.qrc">
<normaloff>:/images/13.jpg</normaloff>:/images/13.jpg</iconset>
</property>
<property name="text">
<string>关闭全部</string>
</property>
<property name="toolTip">
<string>关闭全部窗口</string>
</property>
</action>
</widget>
<resources>
<include location="resources.qrc"/>
</resources>
<connections/>
</ui>

12
QtMDIEx/QtMDIEx.pro
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@ -26,15 +26,21 @@ CONFIG += c++11
SOURCES += \ SOURCES += \
main.cpp \ main.cpp \
ExMDI.cpp ExMDI.cpp \
ExMainWindow.cpp
HEADERS += \ HEADERS += \
ExMDI.h ExMDI.h \
ExMainWindow.h
FORMS += \ FORMS += \
ExMDI.ui ExMDI.ui \
ExMainWindow.ui
# Default rules for deployment. # Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target !isEmpty(target.path): INSTALLS += target
RESOURCES += \
resources.qrc

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3
QtMDIEx/main.cpp
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@ -1,10 +1,11 @@
#include "ExMDI.h" #include "ExMDI.h"
#include "ExMainWindow.h"
#include <QApplication> #include <QApplication>
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
QApplication a(argc, argv); QApplication a(argc, argv);
ExMDI w; ExMainWindow w;
w.show(); w.show();
return a.exec(); return a.exec();

17
QtMDIEx/resources.qrc Normal file
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@ -0,0 +1,17 @@
<RCC>
<qresource prefix="/">
<file>images/1.png</file>
<file>images/2.png</file>
<file>images/3.png</file>
<file>images/4.png</file>
<file>images/5.png</file>
<file>images/6.jpg</file>
<file>images/7.png</file>
<file>images/8.png</file>
<file>images/9.png</file>
<file>images/10.png</file>
<file>images/11.png</file>
<file>images/12.png</file>
<file>images/13.jpg</file>
</qresource>
</RCC>