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/***************************************************************** * WinConsole.c: Demonstrates using the Win32 console API to * manipulate console output. * Program by: NickDMax *****************************************************************/ #include <windows.h> #include <stdio.h> void ConPrint(char *CharBuffer, int len); void ConPrintAt(int x, int y, char *CharBuffer, int len); void gotoXY(int x, int y); void ClearConsole(void); void ClearConsoleToColors(int ForgC, int BackC); void SetColorAndBackground(int ForgC, int BackC); void SetColor(int ForgC); void HideTheCursor(void); void ShowTheCursor(void); int main(int argc, char* argv[]) { HideTheCursor(); ClearConsoleToColors(15, 1); ClearConsole(); gotoXY(1,1); SetColor(14); printf("This is a test...\n"); Sleep(1000); ShowTheCursor(); SetColorAndBackground(15,12); ConPrint("This is also a test...\n", 23); SetColorAndBackground(1, 7); ConPrintAt(22, 15, "This is also a test...\n", 23); gotoXY(0, 24); SetColorAndBackground(7,1); return 0; } //This will clear the console while setting the forground and // background colors. void ClearConsoleToColors(int ForgC, int BackC) { WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F); //Get the handle to the current output buffer... HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); //This is used to reset the carat/cursor to the top left. COORD coord = {0, 0}; //A return value... indicating how many chars were written // not used but we need to capture this since it will be // written anyway (passing NULL causes an access violation). DWORD count; //This is a structure containing all of the console info // it is used here to find the size of the console. CONSOLE_SCREEN_BUFFER_INFO csbi; //Here we will set the current color SetConsoleTextAttribute(hStdOut, wColor); if(GetConsoleScreenBufferInfo(hStdOut, &csbi)) { //This fills the buffer with a given character (in this case 32=space). FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count); FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count ); //This will set our cursor position for the next print statement. SetConsoleCursorPosition(hStdOut, coord); } return; } //This will clear the console. void ClearConsole() { //Get the handle to the current output buffer... HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); //This is used to reset the carat/cursor to the top left. COORD coord = {0, 0}; //A return value... indicating how many chars were written // not used but we need to capture this since it will be // written anyway (passing NULL causes an access violation). DWORD count; //This is a structure containing all of the console info // it is used here to find the size of the console. CONSOLE_SCREEN_BUFFER_INFO csbi; //Here we will set the current color if(GetConsoleScreenBufferInfo(hStdOut, &csbi)) { //This fills the buffer with a given character (in this case 32=space). FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count); FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count ); //This will set our cursor position for the next print statement. SetConsoleCursorPosition(hStdOut, coord); } return; } //This will set the position of the cursor void gotoXY(int x, int y) { //Initialize the coordinates COORD coord = {x, y}; //Set the position SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), coord); return; } //This will set the forground color for printing in a console window. void SetColor(int ForgC) { WORD wColor; //We will need this handle to get the current background attribute HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); CONSOLE_SCREEN_BUFFER_INFO csbi; //We use csbi for the wAttributes word. if(GetConsoleScreenBufferInfo(hStdOut, &csbi)) { //Mask out all but the background attribute, and add in the forgournd color wColor = (csbi.wAttributes & 0xF0) + (ForgC & 0x0F); SetConsoleTextAttribute(hStdOut, wColor); } return; } //This will set the forground and background color for printing in a console window. void SetColorAndBackground(int ForgC, int BackC) { WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F);; SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), wColor); return; } //Direct console output void ConPrint(char *CharBuffer, int len) { DWORD count; WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), CharBuffer, len, &count, NULL); return; } //Direct Console output at a particular coordinate. void ConPrintAt(int x, int y, char *CharBuffer, int len) { DWORD count; COORD coord = {x, y}; HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); SetConsoleCursorPosition(hStdOut, coord); WriteConsole(hStdOut, CharBuffer, len, &count, NULL); return; } //Hides the console cursor void HideTheCursor() { CONSOLE_CURSOR_INFO cciCursor; HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); if(GetConsoleCursorInfo(hStdOut, &cciCursor)) { cciCursor.bVisible=FALSE; } return; } //Shows the console cursor void ShowTheCursor() { CONSOLE_CURSOR_INFO cciCursor; HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE); if(GetConsoleCursorInfo(hStdOut, &cciCursor)) { cciCursor.bVisible=TRUE; } return; }
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