Add Wi-Fi signal indicator

assets/gfx/sprites.t3s

@@ -11,6 +11,10 @@ sprites/battery/battery_4.png
 sprites/battery/battery_blink.png
 sprites/battery/battery_charge.png
 sprites/battery/battery_charge_full.png
+sprites/wifi/wifi_0.png
+sprites/wifi/wifi_1.png
+sprites/wifi/wifi_2.png
+sprites/wifi/wifi_3.png
 sprites/cancel.png
 sprites/checked.png
 sprites/delete.png

include/gui/gfx.hpp

@@ -51,6 +51,7 @@ namespace GFX {
 	void DrawTime();
 	void DrawBattery();
 	void HandleBattery();
+	void DrawWifi();
 	void DrawIcon(const int Idx, int X, int Y, uint32_t Color = UIThemes->SideBarIconColor(), float BlendPower = 1.0f, float ScaleX = 1, float ScaleY = 1);
 };
 

source/gui/gfx.cpp

@@ -173,6 +173,21 @@ void GFX::HandleBattery() {
 	}
 }
 
+/*
+	Draws the Wi-Fi signal icon
+*/
+void GFX::DrawWifi() {
+	constexpr int wifiIcons[] = {
+		sprites_wifi_0_idx,
+		sprites_wifi_1_idx,
+		sprites_wifi_2_idx,
+		sprites_wifi_3_idx
+	};
+
+	u8 level = osGetWifiStrength();
+	GFX::DrawIcon(wifiIcons[level], 330, 0, UIThemes->TextColor());
+}
+
 /*
 	Draws the sidebar icons blended with the SideBarIconColor.
 */

source/menu/downList.cpp

@@ -129,6 +129,7 @@ void StoreUtils::DrawDownList(const std::vector<std::string> &entries, bool fetc
 
 	GFX::DrawTime();
 	GFX::DrawBattery();
+	GFX::DrawWifi();
 	Animation::QueueEntryDone();
 
 	GFX::DrawBottom();

source/screens/mainScreen.cpp

@@ -130,6 +130,7 @@ void MainScreen::Draw(void) const {
 	config->list() ? StoreUtils::DrawList() : StoreUtils::DrawGrid();
 	GFX::DrawTime();
 	GFX::DrawBattery();
+	GFX::DrawWifi();
 	Animation::QueueEntryDone();
 
 	/* Download-ception. */