From 13b575f7a90ef97f3b30f2a2f74bd19d58d375e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sat, 5 Nov 2016 15:51:51 +0100
Subject: [PATCH] GH-1711 fix inactive element shading in Dark and Bright
 themes

---
 application/CMakeLists.txt         |  2 ++
 application/themes/BrightTheme.cpp |  8 +-------
 application/themes/BrightTheme.h   |  5 ++---
 application/themes/DarkTheme.cpp   |  8 +-------
 application/themes/DarkTheme.h     |  5 ++---
 application/themes/FusionTheme.cpp | 32 ++++++++++++++++++++++++++++++
 application/themes/FusionTheme.h   | 14 +++++++++++++
 7 files changed, 54 insertions(+), 20 deletions(-)
 create mode 100644 application/themes/FusionTheme.cpp
 create mode 100644 application/themes/FusionTheme.h

diff --git a/application/CMakeLists.txt b/application/CMakeLists.txt
index 38729de4..5ac7001d 100644
--- a/application/CMakeLists.txt
+++ b/application/CMakeLists.txt
@@ -107,6 +107,8 @@ SET(MULTIMC_SOURCES
 	InstanceWindow.cpp
 
 	# GUI - themes
+	themes/FusionTheme.cpp
+	themes/FusionTheme.h
 	themes/BrightTheme.cpp
 	themes/BrightTheme.h
 	themes/DarkTheme.cpp
diff --git a/application/themes/BrightTheme.cpp b/application/themes/BrightTheme.cpp
index b4d59b1f..83d8f0b2 100644
--- a/application/themes/BrightTheme.cpp
+++ b/application/themes/BrightTheme.cpp
@@ -10,11 +10,6 @@ QString BrightTheme::name()
 	return QObject::tr("Bright");
 }
 
-QString BrightTheme::qtTheme()
-{
-	return "Fusion";
-}
-
 QPalette BrightTheme::colorScheme()
 {
 	QPalette brightPalette;
@@ -29,10 +24,9 @@ QPalette BrightTheme::colorScheme()
 	brightPalette.setColor(QPalette::ButtonText, QColor(49,54,59));
 	brightPalette.setColor(QPalette::BrightText, Qt::red);
 	brightPalette.setColor(QPalette::Link, QColor(41, 128, 185));
-
 	brightPalette.setColor(QPalette::Highlight, QColor(61, 174, 233));
 	brightPalette.setColor(QPalette::HighlightedText, QColor(239,240,241));
-	return brightPalette;
+	return fadeInactive(brightPalette, 0.5f,  QColor(239,240,241));
 }
 
 
diff --git a/application/themes/BrightTheme.h b/application/themes/BrightTheme.h
index e7e0f834..85b7041b 100644
--- a/application/themes/BrightTheme.h
+++ b/application/themes/BrightTheme.h
@@ -1,13 +1,12 @@
 #pragma once
 
-#include "ITheme.h"
+#include "FusionTheme.h"
 
-class BrightTheme: public ITheme
+class BrightTheme: public FusionTheme
 {
 public:
 	virtual ~BrightTheme() {}
 
-	QString qtTheme() override;
 	QString id() override;
 	QString name() override;
 	QString appStyleSheet() override;
diff --git a/application/themes/DarkTheme.cpp b/application/themes/DarkTheme.cpp
index 497be1f4..143dd533 100644
--- a/application/themes/DarkTheme.cpp
+++ b/application/themes/DarkTheme.cpp
@@ -10,11 +10,6 @@ QString DarkTheme::name()
 	return QObject::tr("Dark");
 }
 
-QString DarkTheme::qtTheme()
-{
-	return "Fusion";
-}
-
 QPalette DarkTheme::colorScheme()
 {
 	QPalette darkPalette;
@@ -29,10 +24,9 @@ QPalette DarkTheme::colorScheme()
 	darkPalette.setColor(QPalette::ButtonText, Qt::white);
 	darkPalette.setColor(QPalette::BrightText, Qt::red);
 	darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
-
 	darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
 	darkPalette.setColor(QPalette::HighlightedText, Qt::black);
-	return darkPalette;
+	return fadeInactive(darkPalette, 0.5f,  QColor(49,54,59));
 }
 
 
diff --git a/application/themes/DarkTheme.h b/application/themes/DarkTheme.h
index 8552851d..a8c17de7 100644
--- a/application/themes/DarkTheme.h
+++ b/application/themes/DarkTheme.h
@@ -1,13 +1,12 @@
 #pragma once
 
-#include "ITheme.h"
+#include "FusionTheme.h"
 
-class DarkTheme: public ITheme
+class DarkTheme: public FusionTheme
 {
 public:
 	virtual ~DarkTheme() {}
 
-	QString qtTheme() override;
 	QString id() override;
 	QString name() override;
 	QString appStyleSheet() override;
diff --git a/application/themes/FusionTheme.cpp b/application/themes/FusionTheme.cpp
new file mode 100644
index 00000000..fa2ccf64
--- /dev/null
+++ b/application/themes/FusionTheme.cpp
@@ -0,0 +1,32 @@
+#include "FusionTheme.h"
+#include "rainbow.h"
+
+QString FusionTheme::qtTheme()
+{
+	return "Fusion";
+}
+
+QPalette FusionTheme::fadeInactive(QPalette in, qreal bias, QColor color)
+{
+	auto blend = [&in, bias, color](QPalette::ColorRole role)
+	{
+		QColor from = in.color(QPalette::Active, role);
+		QColor blended = Rainbow::mix(from, color, bias);
+		in.setColor(QPalette::Disabled, role, blended);
+	};
+	blend(QPalette::Window);
+	blend(QPalette::WindowText);
+	blend(QPalette::Base);
+	blend(QPalette::AlternateBase);
+	blend(QPalette::ToolTipBase);
+	blend(QPalette::ToolTipText);
+	blend(QPalette::Text);
+	blend(QPalette::Button);
+	blend(QPalette::ButtonText);
+	blend(QPalette::BrightText);
+	blend(QPalette::Link);
+	blend(QPalette::Highlight);
+	blend(QPalette::HighlightedText);
+	return in;
+}
+
diff --git a/application/themes/FusionTheme.h b/application/themes/FusionTheme.h
new file mode 100644
index 00000000..2f938eb9
--- /dev/null
+++ b/application/themes/FusionTheme.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "ITheme.h"
+
+class FusionTheme: public ITheme
+{
+public:
+	virtual ~FusionTheme() {}
+
+	QString qtTheme() override;
+
+protected:
+	QPalette fadeInactive(QPalette in, qreal bias, QColor color);
+};