1. C++ GUI Qt4编程第三章，增加工具栏、状态栏和快捷键。
2. mainwindow.h
/**/
#ifndef MAINWINDOW_H
#define MAINWINDOW_H #include <QMainWindow> class QMenu;
class QAction;
class QToolBar;
class QLabel; class MainWindow : public QMainWindow
{
Q_OBJECT public:
MainWindow(); private:
/*菜单*/
QMenu *fileMenu;
QMenu *editMenu;
QMenu *toolsMenu;
QMenu *optionsMenu;
QMenu *helpMenu; /*File动作*/
QAction *newAction;
QAction *openAction;
QAction *saveAction;
QAction *saveAsAction;
QAction *exitAction; /*Edit动作*/
QAction *cutAction;
QAction *copyAction;
QAction *pasteAction;
QAction *deleteAction;
QMenu *selectSubMenu;
QAction *selectRowAction;
QAction *selectColumnAction;
QAction *selectAllAction;
QAction *findAction;
QAction *goToCellAction; /*Tools动作*/
QAction *recalculateAction;
QAction *sortAction; /*Options动作*/
QAction *showGridAction;
QAction *autoRecalculateAction; /*Help动作*/
QAction *aboutAction;
QAction *aboutQtAction; /*工具栏*/
QToolBar *fileToolBar;
QToolBar *editToolBar; /*状态栏标签*/
QLabel *locationLabel;
QLabel *formulaLabel; void createMenus();
void createActions();
void createFileActions();
void createEditActions();
void createToolsActions();
void createOptionsActions();
void createHelpAction();
void createToolBar();
void createStatusBar();
}; #endif /*MAINWINDOW_H*/
3. mainwindow.cpp
/**/
#include <QMenu>
#include <QMenuBar>
#include <QAction>
#include <QToolBar>
#include <QLabel>
#include <QStatusBar>
#include "mainwindow.h" MainWindow::MainWindow()
{
createActions();
createMenus();
createToolBar();
createStatusBar();
} void MainWindow::createMenus()
{
/*file menu*/
fileMenu = menuBar()->addMenu(tr("&File"));
fileMenu->addAction(newAction);
fileMenu->addAction(openAction);
fileMenu->addAction(saveAction);
fileMenu->addAction(saveAsAction);
fileMenu->addSeparator();
fileMenu->addAction(exitAction); /*edit menu*/
editMenu = menuBar()->addMenu(tr("&Edit"));
editMenu->addAction(cutAction);
editMenu->addAction(copyAction);
editMenu->addAction(pasteAction);
editMenu->addAction(deleteAction);
selectSubMenu = editMenu->addMenu(tr("&Select"));
selectSubMenu->addAction(selectRowAction);
selectSubMenu->addAction(selectColumnAction);
selectSubMenu->addAction(selectAllAction);
editMenu->addSeparator();
editMenu->addAction(findAction);
editMenu->addAction(goToCellAction); /*tools menu*/
toolsMenu = menuBar()->addMenu(tr("&Tools"));
toolsMenu->addAction(recalculateAction);
toolsMenu->addAction(sortAction); /*option menu*/
optionsMenu = menuBar()->addMenu(tr("&Option"));
optionsMenu->addAction(showGridAction);
optionsMenu->addAction(autoRecalculateAction); /*间隔器*/
menuBar()->addSeparator(); /*help menu*/
helpMenu = menuBar()->addMenu(tr("&Help"));
helpMenu->addAction(aboutAction);
helpMenu->addAction(aboutQtAction);
} void MainWindow::createActions()
{
createFileActions();
createEditActions();
createToolsActions();
createOptionsActions();
createHelpAction();
} /*
* file动作
* 加速键与快捷键的区别
*/
void MainWindow::createFileActions()
{
/*newAction*/
newAction = new QAction(tr("&New"), this); /*加速键 Alt+N*/
newAction->setIcon(QIcon(":/images/filenew.png")); /*图标*/
newAction->setShortcut(QKeySequence::New); /*快捷键 Ctrl+N*/
// newAction->setShortcut(tr("Ctrl+N")); /*快捷键的另一种方法*/
/*状态栏显示内容*/
newAction->setStatusTip(tr("Create a new spreadsheet file")); /*openAction*/
openAction = new QAction(tr("&Open"), this);
openAction->setIcon(QIcon(":/images/fileopen.png"));
openAction->setShortcut(QKeySequence::Open);
openAction->setStatusTip(tr("Opne an existing spreadsheet file")); /*saveAction*/
saveAction = new QAction(tr("&Save"), this);
saveAction->setIcon(QIcon(":/images/filesave.png"));
saveAction->setShortcut(QKeySequence::Save);
saveAction->setStatusTip(tr("Save the spreadsheet to disk")); /*saveAsAction*/
saveAsAction = new QAction(tr("Save &As..."), this);
saveAsAction->setIcon(QIcon(":/images/filesaveas.png"));
saveAsAction->setShortcut(QKeySequence::SaveAs);
saveAsAction->setStatusTip(tr("Save the spreadsheet under a new name")); /*exitAction */
exitAction = new QAction(tr("E&xit"), this);
exitAction->setShortcut(tr("Ctrl+Q"));
exitAction->setStatusTip(tr("Exit the application"));
} /*edit动作*/
void MainWindow::createEditActions()
{
/*cutAction*/
cutAction = new QAction(tr("Cu&t"), this);
cutAction->setIcon(QIcon(":/images/editcut.png"));
cutAction->setShortcut(QKeySequence::Cut);
cutAction->setStatusTip(tr("Cut the Current selection's "
"contents to the clipboard")); /*copyAction*/
copyAction = new QAction(tr("&Copy"), this);
copyAction->setIcon(QIcon(":/images/editcopy.png"));
copyAction->setShortcut(QKeySequence::Copy);
copyAction->setStatusTip(tr("Copy the current selection's "
"contents to the clipboard")); /*pasteAction*/
pasteAction = new QAction(tr("&Paste"), this);
pasteAction->setIcon(QIcon(":/images/editpaste.png"));
pasteAction->setShortcut(QKeySequence::Paste);
pasteAction->setStatusTip(tr("Paste the clipboard's "
"contents into the current selection")); /*deleteAction*/
deleteAction = new QAction(tr("&Delete"), this);
deleteAction->setIcon(QIcon(":/images/editdelete.png"));
deleteAction->setShortcut(QKeySequence::Delete);
deleteAction->setStatusTip(tr("Delete the current selection's "
"contents")); selectRowAction = new QAction(tr("&Row"), this);
selectRowAction->setStatusTip(tr("Select all the cells in "
"the current row"));
selectColumnAction = new QAction(tr("&Column"), this);
selectColumnAction->setStatusTip(tr("Select all the cells in "
"the current column"));
selectAllAction = new QAction(tr("&All"), this);
selectAllAction->setShortcut(QKeySequence::SelectAll);
selectAllAction->setStatusTip(tr("Select all the cells in "
"the spreadsheet")); /*findAction*/
findAction = new QAction(tr("&Find..."), this);
findAction->setIcon(QIcon(":/images/editfind.png"));
findAction->setShortcut(QKeySequence::Find);
findAction->setStatusTip(tr("Find a matching cell")); /*goToCellAction*/
goToCellAction = new QAction(tr("&Go to Cell..."), this);
goToCellAction->setIcon(QIcon(":/images/editgotocell"));
goToCellAction->setShortcut(tr("Ctrl+G"));
} /*tools动作*/
void MainWindow::createToolsActions()
{
recalculateAction = new QAction(tr("&Recalculate"), this);
recalculateAction->setShortcut(tr("F9"));
recalculateAction->setStatusTip(tr("Recalculate all the "
"spreadsheet's formulas")); sortAction = new QAction(tr("&Sort..."), this);
sortAction->setStatusTip(tr("Sort the selected cells or all "
"the cells"));
} /*options动作*/
void MainWindow::createOptionsActions()
{
showGridAction = new QAction(tr("&Show Grid"), this);
showGridAction->setCheckable(true); /*使动作可被选*/
showGridAction->setStatusTip(tr("Show or hide the "
"spreadsheet's grid")); autoRecalculateAction = new QAction(tr("Auto-Recalculate"), this);
autoRecalculateAction->setCheckable(true); /*使动作可被选*/
autoRecalculateAction->setStatusTip(tr("Switch auto-"
"recalculate on or off"));
} /*help动作*/
void MainWindow::createHelpAction()
{
aboutAction = new QAction(tr("&About"), this);
aboutAction->setStatusTip(tr("Show the application's "
"About box")); aboutQtAction = new QAction(tr("About &Qt"), this);
aboutQtAction->setStatusTip(tr("Show the Qt library's "
"About box"));
} /*工具栏*/
void MainWindow::createToolBar()
{
fileToolBar = addToolBar(tr("&File"));
fileToolBar->addAction(newAction);
fileToolBar->addAction(openAction);
fileToolBar->addAction(saveAction); editToolBar = addToolBar(tr("&Edit"));
editToolBar->addAction(cutAction);
editToolBar->addAction(copyAction);
editToolBar->addAction(pasteAction);
editToolBar->addSeparator();
editToolBar->addAction(findAction);
editToolBar->addAction(goToCellAction);
} /*状态栏*/
void MainWindow::createStatusBar()
{
/* W999 作用：1.显示的内容。2.决定locationLabel的尺寸大小*/
locationLabel = new QLabel(" W999 ");
/*对齐方式：居中对齐*/
locationLabel->setAlignment(Qt::AlignHCenter);
/*最小大小为窗口部件的理想大小*/
locationLabel->setMinimumSize(locationLabel->sizeHint()); formulaLabel = new QLabel;
/*缩进，文本与左侧边的偏移量*/
formulaLabel->setIndent(); /*单元格定位指示器，伸展因子默认为0*/
statusBar()->addWidget(locationLabel);
/*单元格公式指示器，伸展因子为1*/
statusBar()->addWidget(formulaLabel, );
}
5. main.cpp和spreadsheet.qrc不变。
