Add AgiButtonStyle and create correct style according to render mode (Supports PC and Amiga styles).

svn-id: r28009

1 files changed, 53 insertions, 0 deletions

diff --git a/engines/agi/agi.cpp b/engines/agi/agi.cpp
index 61430dcaea..cb02df1ecc 100644
--- a/engines/agi/agi.cpp
+++ b/engines/agi/agi.cpp
@@ -535,6 +535,58 @@ static const GameSettings agiSettings[] = {
 	{NULL, NULL, 0, 0, NULL}
 };
 
+AgiTextColor AgiButtonStyle::getColor(bool hasFocus, bool pressed, bool positive) const {
+	if (_amigaStyle)
+		if (positive)
+			if (pressed) // Positive pressed Amiga-style button
+				return AgiTextColor(amigaBlack, _olderAgi? amigaOrange : amigaPurple);
+			else // Positive unpressed Amiga-style button
+				return AgiTextColor(amigaWhite, amigaGreen);
+		else // _amigaStyle && !positive
+			if (pressed) // Negative pressed Amiga-style button
+				return AgiTextColor(amigaBlack, amigaCyan);
+			else // Negative unpressed Amiga-style button
+				return AgiTextColor(amigaWhite, amigaRed);
+	else // PC-style button
+		if (hasFocus || pressed) // A pressed or in focus PC-style button
+			return AgiTextColor(pcWhite, pcBlack);
+		else // An unpressed PC-style button without focus
+			return AgiTextColor(pcBlack, pcWhite);
+}
+
+AgiTextColor AgiButtonStyle::getColor(bool hasFocus, bool pressed, bool baseFgColor, bool baseBgColor) const {
+	return getColor(hasFocus, pressed, AgiTextColor(baseFgColor, baseBgColor));
+}
+
+AgiTextColor AgiButtonStyle::getColor(bool hasFocus, bool pressed, const AgiTextColor &baseColor) const {
+	if (hasFocus || pressed)
+		return baseColor.swap();
+	else
+		return baseColor;
+}
+
+int AgiButtonStyle::getTextOffset(bool hasFocus, bool pressed) const {
+	return (pressed && !_amigaStyle) ? 1 : 0;
+}
+
+bool AgiButtonStyle::getBorder(bool hasFocus, bool pressed) const {
+	return _amigaStyle && !_authenticAmiga && (hasFocus || pressed);
+}
+
+void AgiButtonStyle::setAmigaStyle(bool amigaStyle, bool olderAgi, bool authenticAmiga) {
+	_amigaStyle		= amigaStyle;
+	_olderAgi		= olderAgi;
+	_authenticAmiga	= authenticAmiga;
+}
+
+void AgiButtonStyle::setPcStyle(bool pcStyle) {
+	setAmigaStyle(!pcStyle);
+}
+
+AgiButtonStyle::AgiButtonStyle(Common::RenderMode renderMode) {
+	setAmigaStyle(renderMode == Common::kRenderAmiga);
+}
+
 AgiEngine::AgiEngine(OSystem *syst) : Engine(syst) {
 
 	// Setup mixer
@@ -635,6 +687,7 @@ void AgiEngine::initialize() {
 		}
 	}
 
+	_buttonStyle = AgiButtonStyle(_renderMode);
 	_console = new Console(this);
 	_gfx = new GfxMgr(this);
 	_sound = new SoundMgr(this, _mixer);