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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2023 Leszek Koltunski //
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// //
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// This file is part of Magic Cube. //
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// //
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// Magic Cube is proprietary software licensed under an EULA which you should have received //
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// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.main;
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import android.content.Context;
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import android.os.Build;
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import android.util.TypedValue;
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import android.view.Gravity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.ListPopupWindow;
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import android.widget.PopupWindow;
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import android.widget.Spinner;
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import android.widget.TextView;
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import java.lang.ref.WeakReference;
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import java.lang.reflect.Field;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class MainSettingsPopup implements AdapterView.OnItemSelectedListener
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{
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public static final int SORT_CLASSIC = 0;
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public static final int SORT_CATEGORY = 1;
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public static final int SORT_DIFFICULTY = 2;
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public static final int SORT_AUTHOR = 3;
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public static final int SORT_YEAR = 4;
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public static final int SORT_DEFAULT = SORT_CLASSIC;
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private static final String[] mSortNames = { "Classic" , "Category" , "Difficulty", "Author" , "Year" };
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private static final float MENU_TITLE_SIZE= 0.070f;
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private static final float MENU_TEXT_SIZE = 0.060f;
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private static final int[] mLocation = new int[2];
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private final PopupWindow mPopup;
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private final WeakReference<MainActivity> mAct;
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private int mCurrMethod;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// this is supposed to prevent showing the navigational bar when we show the drop down list,
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// but it doesn't quite work... At least not in the emulator.
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// see https://gist.github.com/kakajika/a236ba721a5c0ad3c1446e16a7423a63
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//
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// EDIT: the bar does not appear on API 34 without the need to call this method. Must have been
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// fixed by Android developers.
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public static void avoidSpinnerDropdownFocus(Spinner spinner)
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{
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try
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{
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Field listPopupField = Spinner.class.getDeclaredField("mPopup");
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listPopupField.setAccessible(true);
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Object listPopup = listPopupField.get(spinner);
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if( listPopup instanceof ListPopupWindow )
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{
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Field popupField = ListPopupWindow.class.getDeclaredField("mPopup");
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popupField.setAccessible(true);
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Object popup = popupField.get((ListPopupWindow) listPopup);
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if( popup instanceof PopupWindow )
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{
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((PopupWindow) popup).setFocusable(false);
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}
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}
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}
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catch (NoSuchFieldException | IllegalAccessException ignored)
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{
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MainSettingsPopup(MainActivity act, int width, int height)
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{
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mAct = new WeakReference<>(act);
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// due to bugs in Android API <=25, a Spinner inside a PopupWindow will crash once you click on it.
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// solution: on those APIs, use a special Spinner in dialog mode (this does not crash)
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int id = android.os.Build.VERSION.SDK_INT <= 25 ? R.layout.settings_popup_android25 : R.layout.settings_popup;
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LayoutInflater layoutInflater = (LayoutInflater) act.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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final View layout = layoutInflater.inflate(id, null);
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mPopup = new PopupWindow(act);
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mPopup.setContentView(layout);
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mPopup.setFocusable(true);
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int titleSize = (int)(MENU_TITLE_SIZE*width);
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int textSize = (int)(MENU_TEXT_SIZE*width);
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TextView title = layout.findViewById(R.id.sortTitle);
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title.setTextSize(TypedValue.COMPLEX_UNIT_PX, titleSize);
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TextView text = layout.findViewById(R.id.sortText);
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text.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize);
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Spinner actSpinner = layout.findViewById(R.id.sortMethod);
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actSpinner.setOnItemSelectedListener(this);
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mCurrMethod = -1;
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ArrayAdapter<String> actAdapter = new ArrayAdapter<>(act, android.R.layout.simple_spinner_item, mSortNames);
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actAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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actSpinner.setAdapter(actAdapter);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// work around lame bugs in Android's version <= 10 pop-up and split-screen modes
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public void displayPopup(MainActivity act, View view, int w, int h, int xoff, int yoff)
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{
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View v = mPopup.getContentView();
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v.setSystemUiVisibility(MainActivity.FLAGS);
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View topLayout = act.findViewById(R.id.relativeLayout);
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boolean isFullScreen;
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if( topLayout!=null )
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{
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topLayout.getLocationOnScreen(mLocation);
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isFullScreen = (mLocation[1]==0);
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}
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else
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{
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isFullScreen = true;
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}
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try
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{
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// if on Android 11 or we are fullscreen
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if (Build.VERSION_CODES.R<=Build.VERSION.SDK_INT || isFullScreen )
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{
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mPopup.showAsDropDown(view, xoff, yoff, Gravity.CENTER);
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mPopup.update(view, w, h);
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}
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else // Android 10 or below in pop-up mode or split-screen mode
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{
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view.getLocationOnScreen(mLocation);
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int width = view.getWidth();
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int height = view.getHeight();
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int x = mLocation[0]+(width-w)/2;
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int y = mLocation[1]+height+yoff;
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mPopup.showAsDropDown(view);
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mPopup.update(x,y,w,h);
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}
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}
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catch( IllegalArgumentException iae )
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{
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// ignore, this means window is 'not attached to window manager' -
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// which most probably is because we are already exiting the app.
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onItemSelected(AdapterView<?> parent, View view, int pos, long id)
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{
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if( parent.getId()==R.id.sortMethod && mCurrMethod!=pos )
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{
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mCurrMethod = pos;
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MainActivity act = mAct.get();
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act.sortObjectsBy(pos);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onNothingSelected(AdapterView<?> parent)
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{
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}
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}
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