mirror of
https://github.com/rfivet/uemacs.git
synced 2024-11-17 18:16:22 -05:00
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
/* wscreen.c -- windows screen console for MINGW32 */
|
|
#include "wscreen.h"
|
|
|
|
#ifdef MINGW32
|
|
|
|
#include <windows.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
/* Standard error macro for reporting API errors */
|
|
#define PERR(bSuccess, api){if(!(bSuccess)) printf("%s:Error %ld from %s \
|
|
on line %d\n", __FILE__, GetLastError(), api, __LINE__);}
|
|
|
|
static void cls( HANDLE hConsole )
|
|
{
|
|
COORD coordScreen = { 0, 0 }; /* here's where we'll home the
|
|
cursor */
|
|
BOOL bSuccess;
|
|
DWORD cCharsWritten;
|
|
CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
|
|
DWORD dwConSize; /* number of character cells in
|
|
the current buffer */
|
|
|
|
/* get the number of character cells in the current buffer */
|
|
|
|
bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
|
|
PERR( bSuccess, "GetConsoleScreenBufferInfo" );
|
|
dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
|
|
|
|
/* fill the entire screen with blanks */
|
|
|
|
bSuccess = FillConsoleOutputCharacter( hConsole, (TCHAR) ' ',
|
|
dwConSize, coordScreen, &cCharsWritten );
|
|
PERR( bSuccess, "FillConsoleOutputCharacter" );
|
|
|
|
/* get the current text attribute */
|
|
|
|
bSuccess = GetConsoleScreenBufferInfo( hConsole, &csbi );
|
|
PERR( bSuccess, "ConsoleScreenBufferInfo" );
|
|
|
|
/* now set the buffer's attributes accordingly */
|
|
|
|
bSuccess = FillConsoleOutputAttribute( hConsole, csbi.wAttributes,
|
|
dwConSize, coordScreen, &cCharsWritten );
|
|
PERR( bSuccess, "FillConsoleOutputAttribute" );
|
|
|
|
/* put the cursor at (0, 0) */
|
|
|
|
bSuccess = SetConsoleCursorPosition( hConsole, coordScreen );
|
|
PERR( bSuccess, "SetConsoleCursorPosition" );
|
|
return;
|
|
}
|
|
|
|
void wcls( void) {
|
|
cls( GetStdHandle( STD_OUTPUT_HANDLE)) ;
|
|
}
|
|
|
|
static struct {
|
|
int width ;
|
|
int height ;
|
|
int curTop, curBot, curRight, curLeft ;
|
|
} Screen ;
|
|
|
|
void winit( void) {
|
|
CONSOLE_SCREEN_BUFFER_INFO csbInfo ;
|
|
|
|
wcls() ;
|
|
if( GetConsoleScreenBufferInfo(
|
|
GetStdHandle( STD_OUTPUT_HANDLE), &csbInfo)) {
|
|
Screen.width = csbInfo.dwSize.X ;
|
|
Screen.height = csbInfo.dwSize.Y ;
|
|
Screen.curLeft = csbInfo.srWindow.Left ;
|
|
Screen.curTop = csbInfo.srWindow.Top ;
|
|
Screen.curRight = csbInfo.srWindow.Right ;
|
|
Screen.curBot = csbInfo.srWindow.Bottom ;
|
|
}
|
|
}
|
|
|
|
int wwidth( void) {
|
|
return Screen.width ;
|
|
}
|
|
|
|
int wheight( void) {
|
|
return Screen.height ;
|
|
}
|
|
|
|
int wleft( void) {
|
|
return Screen.curLeft ;
|
|
}
|
|
|
|
int wtop( void) {
|
|
return Screen.curTop ;
|
|
}
|
|
|
|
int wright( void) {
|
|
return Screen.curRight ;
|
|
}
|
|
|
|
int wbottom( void) {
|
|
return Screen.curBot ;
|
|
}
|
|
|
|
void wgoxy( int x, int y) {
|
|
COORD coord ;
|
|
|
|
coord.X = x ;
|
|
coord.Y = y ;
|
|
SetConsoleCursorPosition( GetStdHandle( STD_OUTPUT_HANDLE), coord );
|
|
}
|
|
|
|
void wtitle( const char *title) {
|
|
SetConsoleTitle( title) ;
|
|
}
|
|
|
|
#endif /* MINGW32 */
|
|
|
|
/* end of wscreen.c */
|