linux 下的无线点菜系统

在Linux下用Qt写的无线点菜系统。用Qt程序做出图形界面，再用SOcket和Client实现点菜系统的接收和发送。

#include “choosemenu.h“
#include “openroom.h“
//#include “sendselectedmenus.h“

#include 
#include 
#include 
#include 
#include 
#include 
#include 

//extern currentRoom;

extern bool room1Flag room2Flagroom3Flagroom4Flagroom5Flagroom5Flagroom6Flagroom7Flagroom8Flag;
//extern int currentRoom;
ChooseMenu::ChooseMenu（QWidget *parent）:QDialog（parent）
{

	//currentRoom = 0;//set the current room is invalid
	addButton = new QPushButton（“add“）;
	removeButton = new QPushButton（“remove“）;
	okButton = new QPushButton（“ok“）;
	backButton = new QPushButton（“back“）;

	supplyMenuListWidget = new QListWidget;

	menuList = new QStringList;
	readMenu（）;
	/*//test data
	supplyMenuListWidget->addItem（“seafish 100“）;
	supplyMenuListWidget->addItem（“sayu 200“）;
	supplyMenuListWidget->addItem（“beke 150“）;
	supplyMenuListWidget->addItem（“baicai 10“）;
	supplyMenuListWidget->addItem（“potato 20“）;
	supplyMenuListWidget->addItem（“tomato 15“）;
	supplyMenuListWidget->addItem（“meat 80“）;
	supplyMenuListWidget->addItem（“niurou 100“）;
	supplyMenuListWidget->addItem（“sanyang 300“）;*/
	supplyMenuListWidget->addItems（*menuList）;

	selectionMenuListWidget = new QListWidget;

	QVBoxLayout *vBoxLayout = new QVBoxLayout;
	vBoxLayout->addWidget（addButton）;
	vBoxLayout->addStretch（）;
	vBoxLayout->addWidget（removeButton）;
	vBoxLayout->addStretch（）;
	vBoxLayout->addWidget（okButton）;
	vBoxLayout->addStretch（）;
	vBoxLayout->addWidget（backButton）;

	QHBoxLayout *mainLayout = new QHBoxLayout;
	mainLayout->addWidget（supplyMenuListWidget）;
	mainLayout->addLayout（vBoxLayout）;
	mainLayout->addWidget（selectionMenuListWidget）;

	setLayout（mainLayout）;
	//setWindowtitle（“select menu“）;
	connection（）;
	//resize（400300）;
	
}

void ChooseMenu::readMenu（）
{
	QFile file（“gettabledata.txt“）;
	file.open（QIODevice::ReadOnly）;
	QTextStream in（&file）;
	while （!in.atEnd（））
	{
		QString str = in.readLine（100）;
		（*menuList）<	}



}

void ChooseMenu::writeSelectedMenus（）
{
	//write the selected menus to the file--selectedmenus.txt
	QFile file（“selectedmenus.txt“）;
	file.open（QIODevice::WriteOnly）;
	QTextStream out（&file）;
	
	//flag which room is sent to payed
	out<windowtitle（）+“\n“;

	int rowNum = selectionMenuListWidget->count（）;
	int i = 0;
	for （i;i	{
		QListWidgetItem *item=selectionMenuListWidget->item（i）;
		out<text（）+“\n“;
	}

	file.close（）;
	

	//send the data

	/*pthread_t pid;
	pthread_create（&pidNULLsend_selected_menusNULL）;

	sleep（10）;

	if（0 !=pthread_cancel（pid））
	{
		printf（“Can‘t cancel the sendselectedmenus thread\n“）;

	}*/

	//clear the selectedmenus.txt


}

void ChooseMenu::addSlot（）
{
	QListWidgetItem  *item = supplyMenuListWidget->currentItem（）;
	selectionMenuListWidget->addItem（item->text（））;
	//selectionMenuListWidget->addItem（“item“）;
	//update（）;

}

/*void ChooseMenu::addSlot（QListWidgetItem *item）
{
	//QListWidgetItem  *item = supplyMenuListWidget->cur

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件         91  2010-06-28 21:23  big-project-late\client\gettabledata.txt

     文件       6439  2010-06-27 18:02  big-project-late\client\choosemenu.cpp

     文件         27  2010-06-28 21:23  big-project-late\client\selectedmenus.txt

     文件        854  2010-06-27 17:59  big-project-late\client\choosemenu.h

     文件     178940  2010-06-28 19:24  big-project-late\client\moc_openroom.o

     文件     175012  2010-06-28 19:24  big-project-late\client\main.o

     文件       9859  2010-06-27 11:58  big-project-late\client\openroom.cpp

     文件       8612  2010-06-23 19:56  big-project-late\client\Makefile

     文件     853970  2010-06-28 19:24  big-project-late\client\client

     文件        359  2010-06-22 21:22  big-project-late\client\client.pro

     文件       2770  2010-06-28 19:24  big-project-late\client\moc_openroom.cpp

     文件       1872  2010-06-27 17:55  big-project-late\client\sendselectedmenus.h

     文件     211652  2010-06-28 19:24  big-project-late\client\choosemenu.o

     文件        584  2010-06-27 17:56  big-project-late\client\main.cpp

     文件       1280  2010-06-25 21:19  big-project-late\client\openroom.h

     文件     202896  2010-06-28 19:24  big-project-late\client\openroom.o

     文件       2246  2010-06-28 19:24  big-project-late\client\moc_choosemenu.cpp

     文件       1651  2010-06-27 16:31  big-project-late\client\gettabledata.h

     文件     177912  2010-06-28 19:24  big-project-late\client\moc_choosemenu.o

     文件      11952  2010-06-28 21:22  big-project-late\server\paymanagement.cpp

     文件       2485  2010-06-28 21:28  big-project-late\server\moc_menumanagement.cpp

     文件      81371  2010-06-28 21:28  big-project-late\server\server

     文件        385  2010-06-21 17:51  big-project-late\server\server.pro

     文件         91  2010-06-28 21:28  big-project-late\server\tabledata.txt

     文件      26204  2010-06-28 21:28  big-project-late\server\main.o

     文件        972  2010-06-22 07:49  big-project-late\server\paymanagement.h

     文件       9326  2010-06-28 21:27  big-project-late\server\getselectedmenusdata.h

     文件       9113  2010-06-28 21:27  big-project-late\server\Makefile

     文件       2108  2010-06-27 17:34  big-project-late\server\sendtabledata.h

     文件       8416  2010-06-27 08:38  big-project-late\server\menumanagement.cpp

............此处省略16个文件信息