30.QT IDE编写

  • mainwindow.h 
      1 #ifndef MAINWINDOW_H
  2 #define MAINWINDOW_H
  3 
  4 #include <QMainWindow>
  5 #include <QTextEdit>
  6 #include <QMenu>
  7 #include <QMenuBar>
  8 #include <QAction>
  9 #include <QFileDialog>
 10 #include <QMessageBox>
 11 #include <iostream>
 12 #include <fstream>
 13 #include <cstdlib>
 14 
 15 #include <QImage>
 16 #include <QLabel>
 17 #include <QMenu>
 18 #include <QMenuBar>
 19 #include <QComboBox>
 20 #include <QSpinBox>
 21 #include <QToolBar>
 22 #include <QFontComboBox>
 23 #include <QToolButton>
 24 #include <QTextCharFormat>
 25 using namespace std;
 26 
 27 namespace Ui {
 28 class MainWindow;
 29 }
 30 
 31 class MainWindow : public QMainWindow
 32 {
 33     Q_OBJECT
 34 
 35 public:
 36     explicit MainWindow(QWidget *parent = 0);
 37     ~MainWindow();
 38     void createActions();
 39     void createMenus();
 40     void createToolBars();
 41 
 42 private:
 43     Ui::MainWindow *ui;
 44     QString filename;
 45     //文本编辑
 46     QTextEdit *text;
 47     //菜单
 48     QMenu *file;
 49         //菜单选项
 50         QAction *Afile_open;
 51         QAction *Afile_close;
 52         QAction *Afile_save;
 53         QAction *Afile_exit;
 54 
 55     QMenu *edit;
 56         QAction *Afile_selall;
 57         QAction *Afile_cut;
 58         QAction *Afile_copy;
 59         QAction *Afile_paste;
 60 
 61     QMenu *build;
 62         QAction *Abuild_it;
 63         QAction *Abuild_andrun;
 64 
 65     QMenu *about;
 66         QAction *Aabout_it;
 67 
 68 private:
 69         QMenu *fileMenu;                                   //各项菜单栏
 70             QMenu *zoomMenu;
 71             QMenu *rotateMenu;
 72             QMenu *mirrorMenu;
 73 
 74             QImage img;
 75             QString fileName;
 76             //编辑显示窗口
 77            // ShowWidget *showWidget;
 78 
 79             QAction *openFileAction;                         //文件菜单项
 80             QAction *NewFileAction;
 81             QAction *PrintTextAction;
 82             QAction *PrintImageAction;
 83             QAction *exitAction;
 84 
 85             QAction *copyAction;                              //编辑菜单项
 86             QAction *cutAction;
 87             QAction *pasteAction;
 88             QAction *aboutAction;
 89             QAction *zoomInAction;
 90             QAction *zoomOutAction;
 91 
 92             QAction *rotate90Action;                         //旋转菜单项
 93             QAction *rotate180Action;
 94             QAction *rotate270Action;
 95 
 96             QAction *mirrorVerticalAction;                  //镜像菜单项
 97             QAction *mirrorHorizontalAction;
 98 
 99             QAction *undoAction;
100             QAction *redoAction;
101 
102             QToolBar *fileTool;                              //工具栏
103             QToolBar *zoomTool;
104             QToolBar *rotateTool;
105             QToolBar *mirrorTool;
106 
107             QToolBar *doToolBar;
108 
109             QLabel *fontLabel1;                             //字体设置项
110             QFontComboBox *fontComboBox;
111             QLabel *fontLabel2;
112             QComboBox *sizeComboBox;
113             QToolButton *boldBtn;
114             QToolButton *italicBtn;
115             QToolButton *underlineBtn;
116             QToolButton *colorBtn;
117 
118             QToolBar *fontToolBar;                          //字体工具栏
119 
120             QLabel *listLabel;                              //排序设置项
121             QComboBox *listComboBox;
122             QActionGroup *actGrp;
123             QAction *leftAction;
124             QAction *rightAction;
125             QAction *centerAction;
126             QAction *justifyAction;
127 
128             QToolBar *listToolBar;                          //排序工具栏
129 private slots:
130     void file_open();
131     void file_close();
132     void file_save();
133     void file_exit();
134     void file_selall();
135     void file_cut();
136     void file_copy();
137     void file_paste();
138     void build_it();
139     void build_andrun();
140     void about_it();
141 
142 };
143 
144 #endif // MAINWINDOW_H

     

  • mainwindow.cpp 
      1 #include "mainwindow.h"
  2 #include "ui_mainwindow.h"
  3 
  4 MainWindow::MainWindow(QWidget *parent) :
  5     QMainWindow(parent),
  6     ui(new Ui::MainWindow)
  7 {
  8 
  9     ui->setupUi(this);
 10     //设置文本编辑器
 11     text = new QTextEdit;
 12     QFont font;
 13     font.setPixelSize(30);
 14     text->setFont(font);
 15     QColor qcolor;
 16     qcolor.setRgb(255,255,255);
 17     this->setCentralWidget(text);
 18 
 19     //设置菜单
 20     file = this->menuBar()->addMenu("文件");
 21     edit = this->menuBar()->addMenu("编辑");
 22     build = this->menuBar()->addMenu("构建");
 23     about = this->menuBar()->addMenu("关于");
 24 
 25     //about菜单
 26     {
 27         Aabout_it = new QAction("关于",this);
 28         about->addAction(Aabout_it);
 29         connect(Aabout_it,SIGNAL(triggered(bool)),this,SLOT(about_it()));
 30     }
 31 
 32     //open菜单
 33     {
 34         Afile_open = new QAction("打开文件",this);
 35         file->addAction(Afile_open);
 36         connect(Afile_open,SIGNAL(triggered(bool)),this,SLOT(file_open()));
 37 
 38         Afile_close = new QAction("关闭文件",this);
 39         file->addAction(Afile_close);
 40         connect(Afile_close,SIGNAL(triggered(bool)),this,SLOT(file_close()));
 41 
 42         Afile_save = new QAction("保存文件",this);
 43         file->addAction(Afile_save);
 44         connect( Afile_save,SIGNAL(triggered(bool)),this,SLOT(file_save()));
 45 
 46         Afile_exit = new QAction("退出",this);
 47         file->addAction(Afile_exit);
 48         connect(Afile_exit,SIGNAL(triggered(bool)),this,SLOT(file_exit()));
 49     }
 50 
 51     //编辑菜单
 52     {
 53         Afile_selall = new QAction("全选",this);
 54         edit->addAction(Afile_selall);
 55         connect(Afile_selall,SIGNAL(triggered(bool)),this,SLOT(file_selall()));
 56 
 57         Afile_cut = new QAction("剪切",this);
 58         edit->addAction(Afile_cut);
 59         connect(Afile_cut,SIGNAL(triggered(bool)),this,SLOT(file_cut()));
 60 
 61         Afile_copy = new QAction("复制",this);
 62         edit->addAction(Afile_copy);
 63         connect(Afile_copy,SIGNAL(triggered(bool)),this,SLOT(file_copy()));
 64 
 65         Afile_paste = new QAction("粘贴",this);
 66         edit->addAction(Afile_paste);
 67         connect(Afile_paste,SIGNAL(triggered(bool)),this,SLOT(file_paste()));
 68     }
 69 
 70     {
 71         Abuild_it = new QAction("编译",this);
 72         build->addAction(Abuild_it);
 73         connect(Abuild_it,SIGNAL(triggered(bool)),this,SLOT(build_it()));
 74 
 75         Abuild_andrun = new QAction("编译执行",this);
 76         build->addAction(Abuild_andrun);
 77         connect(Abuild_andrun,SIGNAL(triggered(bool)),this,SLOT(build_andrun()));
 78     }
 79 
 80     this->setWindowTitle("简易编译器");
 81 
 82     //showWidget =new ShowWidget(this);
 83      //   setCentralWidget(showWidget);
 84         //在工具栏上嵌入控件
 85         //设置字体
 86         fontLabel1 =new QLabel(tr("字体:"));
 87         fontComboBox =new QFontComboBox;
 88         fontComboBox->setFontFilters(QFontComboBox::ScalableFonts);
 89 
 90         fontLabel2 =new QLabel(tr("字号:"));
 91         sizeComboBox =new QComboBox;
 92         QFontDatabase db;
 93         foreach(int size,db.standardSizes())
 94             sizeComboBox->addItem(QString::number(size));
 95 
 96         boldBtn =new QToolButton;
 97         boldBtn->setIcon(QIcon("bold.png"));
 98         boldBtn->setCheckable(true);
 99         italicBtn =new QToolButton;
100         italicBtn->setIcon(QIcon("italic.png"));
101         italicBtn->setCheckable(true);
102 
103         underlineBtn =new QToolButton;
104         underlineBtn->setIcon(QIcon("underline.png"));
105         underlineBtn->setCheckable(true);
106 
107         colorBtn =new QToolButton;
108         colorBtn->setIcon(QIcon("color.png"));
109         colorBtn->setCheckable(true);
110 
111         //排序
112         listLabel =new QLabel(tr("排序"));
113         listComboBox =new QComboBox;
114         listComboBox->addItem("Standard");
115         listComboBox->addItem("QTextListFormat::ListDisc");
116         listComboBox->addItem("QTextListFormat::ListCircle");
117         listComboBox->addItem("QTextListFormat::ListSquare");
118         listComboBox->addItem("QTextListFormat::ListDecimal");
119         listComboBox->addItem("QTextListFormat::ListLowerAlpha");
120         listComboBox->addItem("QTextListFormat::ListUpperAlpha");
121         listComboBox->addItem("QTextListFormat::ListLowerRoman");
122         listComboBox->addItem("QTextListFormat::ListUpperRoman");
123 
124         createActions();
125         createMenus();
126         createToolBars();
127 
128         if(img.load("image.png"))
129         {
130             //showWidget->imageLabel->setPixmap(QPixmap::fromImage(img));
131         }
132 
133 }
134 
135 MainWindow::~MainWindow()
136 {
137     delete ui;
138 }
139 
140 void MainWindow::file_open()
141 {
142     filename =QFileDialog::getOpenFileName(this,"hello","*.*");
143     if(filename.isEmpty())
144     {
145         QMessageBox::information(this,"提示","注意选择一个文件");
146         return;
147     }
148     fstream fin(filename.toStdString().c_str());
149     if(!fin)
150     {
151         QMessageBox::information(this,"提示","打开文件失败");
152         return;
153     }
154 
155     while(!fin.eof())
156     {
157         char buf[2014]={0};
158         fin.getline(buf,2014);
159         text->append(buf);
160     }
161     fin.close();
162 }
163 
164 void MainWindow::file_close()
165 {
166     text->setText("");
167     filename ="";
168 }
169 
170 void MainWindow::file_save()
171 {
172     filename = QFileDialog::getSaveFileName();
173     if(filename.isEmpty())
174     {
175         QMessageBox::information(this,"提示","打开文件失败");
176         return;
177     }
178 
179     QString info =text->toPlainText().toStdString().c_str();
180     //写入
181     ofstream fout(filename.toStdString().c_str());
182     if(!fout)
183     {
184         QMessageBox::information(this,"提示","打开文件失败");
185         return;
186     }
187     fout.write(info.toStdString().c_str(),strlen(info.toStdString().c_str()));
188     fout.close();
189 }
190 
191 void MainWindow::file_exit()
192 {
193     exit(0);
194 }
195 
196 void MainWindow::file_selall()
197 {
198     text->selectAll();
199 }
200 
201 void MainWindow::file_cut()
202 {
203     text->cut();
204 }
205 
206 void MainWindow::file_copy()
207 {
208     text->copy();
209 }
210 
211 void MainWindow::file_paste()
212 {
213     text->paste();
214 }
215 
216 void MainWindow::build_it()
217 {
218     QString destexename = filename;
219     bool iscpp = destexename.contains(".cpp");
220     QString cmd;
221     if(iscpp)
222     {
223         destexename.replace(".cpp",".exe");
224         cmd = "g++ -o " + destexename+" " +filename;
225     }
226     else
227     {
228         destexename.replace(".c",".exe");
229         cmd = "gcc -o "+destexename+" "+filename;
230     }
231     system(cmd.toStdString().c_str());
232 }
233 
234 void MainWindow::build_andrun()
235 {
236     QString destexename = filename;
237     bool iscpp = destexename.contains(".cpp");
238     QString cmd;
239     if(iscpp)
240     {
241         destexename.replace(".cpp",".exe");
242         cmd = "g++ -o "+filename+" "+destexename;
243     }
244     else
245     {
246         destexename.replace(".c",".exe");
247         cmd = "gcc -o "+filename+" "+destexename;
248     }
249     system(cmd.toStdString().c_str());
250 
251     system(destexename.toStdString().c_str());
252 }
253 
254 void MainWindow::about_it()
255 {
256     QMessageBox::information(this,"hello","版权所有,盗版不究");
257 }
258 
259 void MainWindow::createActions()
260 {
261     //"打开"动作
262     openFileAction =new QAction(QIcon("open.png"),tr("打开"),this);
263     openFileAction->setShortcut(tr("Ctrl+O"));
264     openFileAction->setStatusTip(tr("打开一个文件"));
265    // connect(openFileAction,SIGNAL(triggered()),this,SLOT(ShowOpenFile()));
266 
267     //"新建"动作
268     NewFileAction =new QAction(QIcon("new.png"),tr("新建"),this);
269     NewFileAction->setShortcut(tr("Ctrl+N"));
270     NewFileAction->setStatusTip(tr("新建一个文件"));
271     //connect(NewFileAction,SIGNAL(triggered()),this,SLOT(ShowNewFile()));
272 
273     //"退出"动作
274     exitAction =new QAction(tr("退出"),this);
275     exitAction->setShortcut(tr("Ctrl+Q"));
276     exitAction->setStatusTip(tr("退出程序"));
277     //connect(exitAction,SIGNAL(triggered()),this,SLOT(close()));
278 
279     //"复制"动作
280     copyAction =new QAction(QIcon("copy.png"),tr("复制"),this);
281     copyAction->setShortcut(tr("Ctrl+C"));
282     copyAction->setStatusTip(tr("复制文件"));
283    // connect(copyAction,SIGNAL(triggered()),showWidget->text,SLOT(copy()));
284 
285     //"剪切"动作
286     cutAction =new QAction(QIcon("cut.png"),tr("剪切"),this);
287     cutAction->setShortcut(tr("Ctrl+X"));
288     cutAction->setStatusTip(tr("剪切文件"));
289     //connect(cutAction,SIGNAL(triggered()),showWidget->text,SLOT(cut()));
290 
291     //"粘贴"动作
292     pasteAction =new QAction(QIcon("paste.png"),tr("粘贴"),this);
293     pasteAction->setShortcut(tr("Ctrl+V"));
294     pasteAction->setStatusTip(tr("粘贴文件"));
295   //  connect(pasteAction,SIGNAL(triggered()),showWidget->text,SLOT(paste()));
296 
297     //"关于"动作
298     aboutAction =new QAction(tr("关于"),this);
299    // connect(aboutAction,SIGNAL(triggered()),this,SLOT(QApplication::aboutQt()));
300 
301     //"打印文本"动作
302     PrintTextAction =new QAction(QIcon("printText.png"),tr("打印文本"), this);
303     PrintTextAction->setStatusTip(tr("打印一个文本"));
304    // connect(PrintTextAction,SIGNAL(triggered()),this,SLOT(ShowPrintText()));
305 
306     //"打印图像"动作
307     PrintImageAction =new QAction(QIcon("printImage.png"),tr("打印图像"), this);
308     PrintImageAction->setStatusTip(tr("打印一幅图像"));
309   //  connect(PrintImageAction,SIGNAL(triggered()),this,SLOT(ShowPrintImage()));
310 
311     //"放大"动作
312     zoomInAction =new QAction(QIcon("zoomin.png"),tr("放大"),this);
313     zoomInAction->setStatusTip(tr("放大一张图片"));
314    // connect(zoomInAction,SIGNAL(triggered()),this,SLOT(ShowZoomIn()));
315 
316     //"缩小"动作
317     zoomOutAction =new QAction(QIcon("zoomout.png"),tr("缩小"),this);
318     zoomOutAction->setStatusTip(tr("缩小一张图片"));
319    // connect(zoomOutAction,SIGNAL(triggered()),this,SLOT(ShowZoomOut()));
320 
321     //实现图像旋转的动作（Action）
322     //旋转90°
323     rotate90Action =new QAction(QIcon("rotate90.png"),tr("旋转90°"),this);
324     rotate90Action->setStatusTip(tr("将一幅图旋转90°"));
325    // connect(rotate90Action,SIGNAL(triggered()),this,SLOT(ShowRotate90()));
326 
327     //旋转180°
328     rotate180Action =new QAction(QIcon("rotate180.png"),tr("旋转180°"), this);
329     rotate180Action->setStatusTip(tr("将一幅图旋转180°"));
330     connect(rotate180Action,SIGNAL(triggered()),this,SLOT(ShowRotate180()));
331 
332     //旋转270°
333     rotate270Action =new QAction(QIcon("rotate270.png"),tr("旋转270°"), this);
334     rotate270Action->setStatusTip(tr("将一幅图旋转270°"));
335    // connect(rotate270Action,SIGNAL(triggered()),this,SLOT(ShowRotate270()));
336 
337     //实现图像镜像的动作（Action）
338     //纵向镜像
339     mirrorVerticalAction =new QAction(tr ("纵向镜像"),this);
340     mirrorVerticalAction->setStatusTip(tr("对一张图作纵向镜像"));
341    // connect(mirrorVerticalAction,SIGNAL(triggered()),this,SLOT(ShowMirrorVertical()));
342 
343     //横向镜像
344     mirrorHorizontalAction =new QAction(tr("横向镜像"),this);
345     mirrorHorizontalAction->setStatusTip(tr("对一张图作横向镜像"));
346     //connect(mirrorHorizontalAction,SIGNAL(triggered()),this,SLOT(ShowMirrorHorizontal()));
347 
348     //排序:左对齐、右对齐、居中和两端对齐
349     actGrp =new QActionGroup(this);
350 
351     leftAction =new QAction(QIcon("left.png"),"左对齐",actGrp);
352     leftAction->setCheckable(true);
353 
354     rightAction =new QAction(QIcon("right.png"),"右对齐",actGrp);
355     rightAction->setCheckable(true);
356 
357     centerAction =new QAction(QIcon("center.png"),"居中",actGrp);
358     centerAction->setCheckable(true);
359 
360     justifyAction =new QAction(QIcon("justify.png"),"两端对齐",actGrp);
361     justifyAction->setCheckable(true);
362 
363    // connect(actGrp,SIGNAL(triggered(QAction*)),this,SLOT(ShowAlignment(QAction*)));
364 
365     //实现撤销和重做的动作（Action）
366     //撤销和重做
367     undoAction =new QAction(QIcon("undo.png"),"撤销",this);
368    // connect(undoAction,SIGNAL(triggered()),showWidget->text,SLOT(undo()));
369     redoAction =new QAction(QIcon("redo.png"),"重做",this);
370     //connect(redoAction,SIGNAL(triggered()),showWidget->text,SLOT(redo()));
371 }
372 
373 void MainWindow::createMenus()
374 {
375     //文件菜单
376     fileMenu =menuBar()->addMenu(tr("文件"));
377     fileMenu->addAction(openFileAction);
378     fileMenu->addAction(NewFileAction);
379     fileMenu->addAction(PrintTextAction);
380     fileMenu->addAction(PrintImageAction);
381     fileMenu->addSeparator();
382     fileMenu->addAction(exitAction);
383 
384     //缩放菜单
385     zoomMenu =menuBar()->addMenu(tr("编辑"));
386     zoomMenu->addAction(copyAction);
387     zoomMenu->addAction(cutAction);
388     zoomMenu->addAction(pasteAction);
389     zoomMenu->addAction(aboutAction);
390     zoomMenu->addSeparator();
391     zoomMenu->addAction(zoomInAction);
392     zoomMenu->addAction(zoomOutAction);
393 
394     //旋转菜单
395     rotateMenu =menuBar()->addMenu(tr("旋转"));
396     rotateMenu->addAction(rotate90Action);
397     rotateMenu->addAction(rotate180Action);
398     rotateMenu->addAction(rotate270Action);
399 
400     //镜像菜单
401     mirrorMenu =menuBar()->addMenu(tr("镜像"));
402     mirrorMenu->addAction(mirrorVerticalAction);
403     mirrorMenu->addAction(mirrorHorizontalAction);
404 }
405 
406 void MainWindow::createToolBars()
407 {
408     //文件工具条
409     fileTool =addToolBar("File");
410     fileTool->addAction(openFileAction);
411     fileTool->addAction(NewFileAction);
412     fileTool->addAction(PrintTextAction);
413     fileTool->addAction(PrintImageAction);
414 
415     //编辑工具条
416     zoomTool =addToolBar("Edit");
417     zoomTool->addAction(copyAction);
418     zoomTool->addAction(cutAction);
419     zoomTool->addAction(pasteAction);
420     zoomTool->addSeparator();
421     zoomTool->addAction(zoomInAction);
422     zoomTool->addAction(zoomOutAction);
423 
424     //旋转工具条
425     rotateTool =addToolBar("rotate");
426     rotateTool->addAction(rotate90Action);
427     rotateTool->addAction(rotate180Action);
428     rotateTool->addAction(rotate270Action);
429 
430     //撤销和重做工具条
431     doToolBar =addToolBar("doEdit");
432     doToolBar->addAction(undoAction);
433     doToolBar->addAction(redoAction);
434 
435     //字体工具条
436     fontToolBar =addToolBar("Font");
437     fontToolBar->addWidget(fontLabel1);
438     fontToolBar->addWidget(fontComboBox);
439     fontToolBar->addWidget(fontLabel2);
440     fontToolBar->addWidget(sizeComboBox);
441     fontToolBar->addSeparator();
442     fontToolBar->addWidget(boldBtn);
443     fontToolBar->addWidget(italicBtn);
444     fontToolBar->addWidget(underlineBtn);
445     fontToolBar->addSeparator();
446     fontToolBar->addWidget(colorBtn);
447 
448     //排序工具条
449     listToolBar =addToolBar("list");
450     listToolBar->addWidget(listLabel);
451     listToolBar->addWidget(listComboBox);
452     listToolBar->addSeparator();
453     listToolBar->addActions(actGrp->actions());
454 }

     

  • main.cpp 
     1 #include "mainwindow.h"
 2 #include <QApplication>
 3 
 4 
 5 int main(int argc, char *argv[])
 6 {
 7     QApplication a(argc, argv);
 8     MainWindow w;
 9     w.show();
10     w.resize(1024,768);
11     return a.exec();
12 }

     

posted @ 2018-04-10 23:37  喵小喵~  阅读(779)  评论(0)  编辑  收藏  举报