GUI: Add GUIO EGA Dithering option

This will be used to disable the EGA dithering option
scummvm · Oct 24, 2011 · 9912d7b · tsoliman · Oct 26, 2011 · 9912d7b
1 parent 9256652
commit 9912d7b
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Showing 3 changed files with 18 additions and 5 deletions.
diff --git a/common/util.cpp b/common/util.cpp
@@ -338,8 +338,9 @@ const struct GameOpt {
 	{ GUIO_MIDIMT32,     "midiMt32" },
 	{ GUIO_MIDIGM,       "midiGM" },
 
-  { GUIO_NOASPECT,     "noAspect" },
-
+	{ GUIO_NOASPECT,     "noAspect" },
+	{ GUIO_EGAUNDITHER,  "egaUndither" },
+
 	{ GUIO_NONE, 0 }
 };
 

diff --git a/common/util.h b/common/util.h
@@ -98,7 +98,8 @@ template<typename T> inline void SWAP(T &a, T &b) { T tmp = a; a = b; b = tmp; }
 #define GUIO_MIDIMT32		"\017"
 #define GUIO_MIDIGM			"\020"
 
-#define GUIO_NOASPECT   "\021"
+#define GUIO_NOASPECT		"\021"
+#define GUIO_EGAUNDITHER	"\022"
 
 #define GUIO1(a) (a)
 #define GUIO2(a,b) (a b)

diff --git a/gui/options.cpp b/gui/options.cpp
@@ -210,7 +210,15 @@ void OptionsDialog::open() {
 			_aspectCheckbox->setState(ConfMan.getBool("aspect_ratio", _domain));
 		}
 #endif // SMALL_SCREEN_DEVICE
-		_disableDitheringCheckbox->setState(ConfMan.getBool("disable_dithering", _domain));
+
+		// EGA undithering setting
+		if (_guioptions.contains(GUIO_EGAUNDITHER)) {
+			_disableDitheringCheckbox->setEnabled(true);
+			_disableDitheringCheckbox->setState(ConfMan.getBool("disable_dithering", _domain));
+		} else {
+			_disableDitheringCheckbox->setState(false);
+			_disableDitheringCheckbox->setEnabled(false);
+		}
 	}
 
 	// Audio options
@@ -597,7 +605,10 @@ void OptionsDialog::setGraphicSettingsState(bool enabled) {
 	else
 		_aspectCheckbox->setEnabled(enabled);
 #endif
-	_disableDitheringCheckbox->setEnabled(enabled);
+	if (_guioptions.contains(GUIO_EGAUNDITHER))
+		_disableDitheringCheckbox->setEnabled(true);
+	else
+		_disableDitheringCheckbox->setEnabled(false);
 }
 
 void OptionsDialog::setAudioSettingsState(bool enabled) {