控制台绘制登陆框(三): TAB切换的改进
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TAB切换的改进
一 效果展示:
效果图同上篇 <<控制台绘制登陆框(二)>>一致。
二代码
#include <stdio.h>#include <conio.h>#include <iostream>#include <windows.h>#define KEY_TAB 9#define BACKGROUND_BlACK 0#define BACKGROUND_WHITE 255using namespace std;typedef struct myinput{int height;int width;int bgColor;int fgColor;int startPosY;int startPosX;}MYINPUT;typedef struct mybutton{int height;int width;int bgColor;int fgColor;int startPosY;int startPosX;string str;}MYBUTTON;/**function: 将字符输出到缓冲区@paramch: 要输入的字符posLine : 字符所在行的位置posColumn: 字符所在列的位置charInfoAarray:缓冲区数组的内容**/void WriteCharToBuffer(CHAR_INFO ch, int posLine, int posColumn, CHAR_INFO * charInfoAarray){charInfoAarray[posLine * 80 + posColumn] = ch;}/***function:将缓冲区的字符输出到控制台@paramstartPosRow:显示区域起始点的行号startPosColumn:显示区域起始点的列号height:显示区域高width:显示区域宽charInfoAarray:缓冲区数组的内容***/void OutPutToConsole(int startPosRow, int startPosColumn, int height, int width, CHAR_INFO * charInfoAarray){HANDLE hConsoleOutput = GetStdHandle(STD_OUTPUT_HANDLE);COORD dwBufferSize = { 80, 25 };//固定值(控制台窗口固定的属性值)COORD dwBufferCoord = { startPosColumn, startPosRow };//缓冲区左上角的起始位置SMALL_RECT rect = { startPosColumn, startPosRow, startPosColumn + width - 1, startPosRow + height - 1 };//显示多大的缓冲区:WriteConsoleOutput(hConsoleOutput, charInfoAarray, dwBufferSize, dwBufferCoord, &rect);}/**function :在控制台输出文本@paramtext:要输出的文本row:输出文本的行数column:输出文本的列数startPosRow: 第一个字符所在行数startPosColumn: 第一个字符所在列数bgColor: 背景色fgColor;前景色**/void drawText(string text, int row, int column, int startPosRow, int startPosColumn, int bgColor, int fgColor){int i = 0;CHAR_INFO CharInfo;CharInfo.Attributes = bgColor | fgColor;CHAR_INFO charInfoArray[80 * 25];for (i = 0; i < text.length(); i++){CharInfo.Char.AsciiChar = text[i];WriteCharToBuffer(CharInfo, startPosRow, startPosColumn + i, charInfoArray);}OutPutToConsole(startPosRow, startPosColumn, row, column, charInfoArray);}/**function 画矩形@paramheight:矩形的高width:矩形的宽startPosRow:矩形左上角纵坐标的位置startPosColumn:矩形左上角横坐标的位置bgColor:背景色fgColor:前景色**/void drawRect(int height, int width, int leftPosY, int leftPosX, int bgColor, int fgColor){int i = 0, j = 0;CHAR_INFO CharInfo;CharInfo.Attributes = bgColor | fgColor;CHAR_INFO charInfoAarray[80 * 25];for (i = leftPosY; i < leftPosY + height; i++){for (j = leftPosX; j < leftPosX + width; j++){CharInfo.Char.AsciiChar = ' ';WriteCharToBuffer(CharInfo, i, j, charInfoAarray);}}OutPutToConsole(leftPosY, leftPosX, height, width, charInfoAarray);}/**隐藏光标**/void HideCursor(){HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);CONSOLE_CURSOR_INFO CursorInfo;GetConsoleCursorInfo(handle, &CursorInfo);//获取控制台光标信息CursorInfo.bVisible = false; //隐藏控制台光标SetConsoleCursorInfo(handle, &CursorInfo);//设置控制台光标状态}/**显示光标**/void ShowCursor(){HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);CONSOLE_CURSOR_INFO CursorInfo;GetConsoleCursorInfo(handle, &CursorInfo);//获取控制台光标信息CursorInfo.bVisible = true; //隐藏控制台光标SetConsoleCursorInfo(handle, &CursorInfo);//设置控制台光标状态}void main(){string strUserName = "USERNAME";string strPassword = "PASSWORD";COORD cursorPos = { 0, 0 };//光标所在的位置int key = 0;//接收键盘输入int i = 1;MYINPUT InputUserName;MYINPUT InputPassWord;MYBUTTON btnLogin;drawText(strUserName, 1, 8, 9, 25, FOREGROUND_RED, BACKGROUND_BlACK);//在指定位置输入USERNAME字符串drawText(strPassword, 1, 8, 11, 25, FOREGROUND_RED, BACKGROUND_BlACK);//在指定位置输入PASSWORD字符串InputUserName.height = 1;InputUserName.width = 20;InputUserName.bgColor = BACKGROUND_WHITE;InputUserName.fgColor = FOREGROUND_RED;InputUserName.startPosX = 35;InputUserName.startPosY = 9;drawRect(InputUserName.height, InputUserName.width, InputUserName.startPosY, InputUserName.startPosX, InputUserName.bgColor, InputUserName.fgColor);InputPassWord.height = 1;InputPassWord.width = 20;InputPassWord.bgColor = BACKGROUND_WHITE;InputPassWord.fgColor = FOREGROUND_RED;InputPassWord.startPosX = 35;InputPassWord.startPosY = 11;drawRect(InputPassWord.height, InputPassWord.width, InputPassWord.startPosY, InputPassWord.startPosX, InputPassWord.bgColor, InputPassWord.fgColor);btnLogin.str = "LOGIN";btnLogin.bgColor = BACKGROUND_GREEN;btnLogin.fgColor = FOREGROUND_RED;btnLogin.height = 3;btnLogin.width = 10;btnLogin.startPosX = 35;btnLogin.startPosY = 14;drawRect(btnLogin.height, btnLogin.width, btnLogin.startPosY, btnLogin.startPosX, btnLogin.bgColor, btnLogin.fgColor);drawText(btnLogin.str, btnLogin.height / 2, btnLogin.str.length(), btnLogin.startPosY + (btnLogin.height / 2), btnLogin.startPosX + (btnLogin.width - btnLogin.str.length()) / 2, btnLogin.bgColor, btnLogin.fgColor);//在指定位置输入LOGIN字符串cursorPos = { InputUserName.startPosX, InputUserName.startPosY };SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), cursorPos);while (1){key = _getch();switch (key){case KEY_TAB:i = i + 1;if (i%3 == 1)//余数为1时,切换的用户名输入框{//绘制button按钮,改变颜色btnLogin.bgColor = BACKGROUND_GREEN;drawRect(btnLogin.height, btnLogin.width, btnLogin.startPosY, btnLogin.startPosX, btnLogin.bgColor, btnLogin.fgColor);drawText(btnLogin.str, btnLogin.height / 2, btnLogin.str.length(), btnLogin.startPosY + (btnLogin.height / 2), btnLogin.startPosX + (btnLogin.width - btnLogin.str.length()) / 2, btnLogin.bgColor, btnLogin.fgColor);//在指定位置输入LOGIN字符串ShowCursor();cursorPos = { InputUserName.startPosX, InputUserName.startPosY };SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), cursorPos);}else if (i % 3 == 2)//余数为2时,切换到密码输入框{cursorPos = { InputPassWord.startPosX, InputPassWord.startPosY };SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), cursorPos);}else if (i % 3 == 0)//余数为0时,切换到登陆按钮{cursorPos = { btnLogin.startPosX, btnLogin.startPosY };SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), cursorPos);HideCursor();//绘制button按钮,改变颜色btnLogin.bgColor = BACKGROUND_BLUE;drawRect(btnLogin.height, btnLogin.width, btnLogin.startPosY, btnLogin.startPosX, btnLogin.bgColor, btnLogin.fgColor);drawText(btnLogin.str, btnLogin.height / 2, btnLogin.str.length(), btnLogin.startPosY + (btnLogin.height / 2), btnLogin.startPosX + (btnLogin.width - btnLogin.str.length()) / 2, btnLogin.bgColor, btnLogin.fgColor);//在指定位置输入LOGIN字符串}break;default:break;}}getchar();}
三 改进的地方
用求余的算法进行TAB切换
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