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reverse video

This commit is contained in:
Adam D. Ruppe 2013-10-10 14:58:00 -04:00
parent 298be9e343
commit 16ef398534
1 changed files with 18 additions and 4 deletions
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22
terminal.d
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@ -626,9 +626,10 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
int _currentForeground = Color.DEFAULT; int _currentForeground = Color.DEFAULT;
int _currentBackground = Color.DEFAULT; int _currentBackground = Color.DEFAULT;
bool reverseVideo = false;
/// Changes the current color. See enum Color for the values. /// Changes the current color. See enum Color for the values.
void color(int foreground, int background, ForceOption force = ForceOption.automatic) { void color(int foreground, int background, ForceOption force = ForceOption.automatic, bool reverseVideo = false) {
if(force != ForceOption.neverSend) { if(force != ForceOption.neverSend) {
version(Windows) { version(Windows) {
// assuming a dark background on windows, so LowContrast == dark which means the bit is NOT set on hardware // assuming a dark background on windows, so LowContrast == dark which means the bit is NOT set on hardware
@ -646,8 +647,19 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
if(foreground == Color.DEFAULT) if(foreground == Color.DEFAULT)
setTof = Color.white; setTof = Color.white;
if(force == ForceOption.alwaysSend || foreground != _currentForeground || background != _currentBackground) { if(force == ForceOption.alwaysSend || reverseVideo != this.reverseVideo || foreground != _currentForeground || background != _currentBackground) {
flush(); // if we don't do this now, the buffering can screw up the colors... flush(); // if we don't do this now, the buffering can screw up the colors...
if(reverseVideo) {
if(background == Color.DEFAULT)
setTof = Color.black;
else
setTof = cast(ushort) background | (foreground & Bright);
if(background == Color.DEFAULT)
setTob = Color.white;
else
setTob = cast(ushort) (foreground & ~Bright);
}
SetConsoleTextAttribute( SetConsoleTextAttribute(
GetStdHandle(STD_OUTPUT_HANDLE), GetStdHandle(STD_OUTPUT_HANDLE),
cast(ushort)((setTob << 4) | setTof)); cast(ushort)((setTob << 4) | setTof));
@ -675,8 +687,9 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
import std.string; import std.string;
if(force == ForceOption.alwaysSend || foreground != _currentForeground || background != _currentBackground) { if(force == ForceOption.alwaysSend || reverseVideo != this.reverseVideo || foreground != _currentForeground || background != _currentBackground) {
writeStringRaw(format("\033[%dm\033[3%dm\033[4%dm", writeStringRaw(format("\033[%dm\033[%dm\033[3%dm\033[4%dm",
reverseVideo ? 7 : 27,
(foreground != Color.DEFAULT && (foreground & Bright)) ? 1 : 0, (foreground != Color.DEFAULT && (foreground & Bright)) ? 1 : 0,
cast(int) setTof, cast(int) setTof,
cast(int) setTob)); cast(int) setTob));
@ -686,6 +699,7 @@ http://msdn.microsoft.com/en-us/library/windows/desktop/ms683193%28v=vs.85%29.as
_currentForeground = foreground; _currentForeground = foreground;
_currentBackground = background; _currentBackground = background;
this.reverseVideo = reverseVideo;
} }
/// Returns the terminal to normal output colors /// Returns the terminal to normal output colors