thememanager: track sidebar color, remove platform-specific tints

settings screen will allow customizing this value going forward
Defaults to chesto's dark gray

Author: vgmoose

gui/MainDisplay.cpp

@@ -11,6 +11,7 @@
 #include "../libs/chesto/src/Constraint.hpp"
 
 #include "MainDisplay.hpp"
+#include "ThemeManager.hpp"
 #include "main.hpp"
 
 using namespace std::string_literals; // for ""s
@@ -26,11 +27,19 @@ MainDisplay::MainDisplay()
 
 	needsRedraw = true;
 
+	updateSidebarColor();
+
 	// use HD resolution for hb-appstore
 	// setScreenResolution(1920, 1080);
 	// setScreenResolution(3840, 2160); // 4k
 }
 
+void MainDisplay::updateSidebarColor() {
+	// set the background color (used as sidebar color)
+	auto color = HBAS::ThemeManager::sidebarColor;
+	backgroundColor = fromRGB(color.r, color.g, color.b);
+}
+
 void MainDisplay::setupMusic() {
 	// initialize music (only if MUSIC defined)
 	this->initMusic();

gui/MainDisplay.hpp

@@ -36,6 +36,7 @@ class MainDisplay : public RootDisplay
 	void beginInitialLoad();
 
 	bool checkMetaRepoForUpdates(Get* get);
+	void updateSidebarColor();
 
 	Get* get = NULL;
 

gui/ThemeManager.hpp

@@ -8,6 +8,8 @@ namespace HBAS::ThemeManager
 
     // Colours
     inline CST_Color background = {0xff, 0xff, 0xff, 0xff};
+    inline CST_Color sidebarColor = {30, 30, 30, 0xff};
+    // inline CST_Color sidebarColor = {0x00, 0x84, 0xff, 0xff}; // homebrew blue (highlighting is off)
     inline CST_Color textPrimary = {0x00, 0x00, 0x00, 0xff};
     inline CST_Color textSecondary = {0x50, 0x50, 0x50, 0xff};