Fix/align button state names, ignore IDEA files

.gitignore

@@ -56,3 +56,6 @@ $RECYCLE.BIN/
 tests/t_*
 !tests/t_*.*
 tests/playdate_tests
+
+# IntelliJ IDEA
+.idea

playdate_example/src/playdate_example.nim

@@ -19,18 +19,18 @@ var y = int(LCD_ROWS / 2) + 32
 
 proc update(): int =
     # playdate is the global PlaydateAPI instance, available when playdate/api is imported
-    let buttonsState = playdate.system.getButtonsState()
+    let buttonState = playdate.system.getButtonState()
 
-    if kButtonRight in buttonsState.current:
+    if kButtonRight in buttonState.current:
         x += 10
-    if kButtonLeft in buttonsState.current:
+    if kButtonLeft in buttonState.current:
         x -= 10
-    if kButtonUp in buttonsState.current:
+    if kButtonUp in buttonState.current:
         y -= 10
-    if kButtonDown in buttonsState.current:
+    if kButtonDown in buttonState.current:
         y += 10
 
-    if kButtonA in buttonsState.pushed:
+    if kButtonA in buttonState.pushed:
         samplePlayer.play(1, 1.0)
 
     let goalX = x.toFloat

src/playdate/system.nim

@@ -46,7 +46,7 @@ proc setUpdateCallback*(this: ptr PlaydateSys, update: PDCallbackFunction) =
     this.setUpdateCallback(privateUpdate, playdate)
 # ---
 
-proc getButtonsState* (this: ptr PlaydateSys): tuple[current: PDButtons, pushed: PDButtons, released: PDButtons] =
+proc getButtonState* (this: ptr PlaydateSys): tuple[current: PDButtons, pushed: PDButtons, released: PDButtons] =
     privateAccess(PlaydateSys)
     var current, pushed, released: uint32
     this.getButtonState(cast[ptr PDButton](addr(current)), cast[ptr PDButton](addr(pushed)), cast[ptr PDButton](addr(released)))