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Code Issues Releases Wiki Activity

Centered popup menu icons

This commit is contained in:
M66B 2021-06-02 15:15:27 +02:00
parent d2448fed66
commit 9c2c76eeac
1 changed files with 49 additions and 1 deletions
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50
app/src/main/java/eu/faircode/email/PopupMenuLifecycle.java
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@ -20,10 +20,14 @@ package eu.faircode.email;
*/
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.text.SpannableStringBuilder;
import android.text.style.DynamicDrawableSpan;
import android.text.style.ImageSpan;
import android.view.Gravity;
import android.view.Menu;
@ -42,6 +46,8 @@ import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.OnLifecycleEvent;
import java.lang.ref.WeakReference;
public class PopupMenuLifecycle extends PopupMenu implements LifecycleObserver {
public PopupMenuLifecycle(@NonNull Context context, LifecycleOwner owner, @NonNull View anchor) {
@ -132,7 +138,7 @@ public class PopupMenuLifecycle extends PopupMenu implements LifecycleObserver {
int iconSize = context.getResources().getDimensionPixelSize(R.dimen.menu_item_icon_size);
icon.setBounds(0, 0, iconSize, iconSize);
ImageSpan imageSpan = new ImageSpan(icon);
ImageSpan imageSpan = new CenteredImageSpan(icon);
SpannableStringBuilder ssb = new SpannableStringBuilder(menuItem.getTitle());
ssb.insert(0, "\uFFFC\u2002"); // object replacement character, en space
@ -140,4 +146,46 @@ public class PopupMenuLifecycle extends PopupMenu implements LifecycleObserver {
menuItem.setTitle(ssb);
menuItem.setIcon(null);
}
private static class CenteredImageSpan extends ImageSpan {
public CenteredImageSpan(final Drawable drawable) {
this(drawable, DynamicDrawableSpan.ALIGN_BOTTOM);
}
public CenteredImageSpan(final Drawable drawable, final int verticalAlignment) {
super(drawable, verticalAlignment);
}
@Override
public void draw(@NonNull Canvas canvas, CharSequence text,
int start, int end, float x,
int top, int y, int bottom, @NonNull Paint paint) {
getDrawable().draw(canvas);
}
@Override
public int getSize(@NonNull Paint paint, CharSequence text,
int start, int end,
@Nullable Paint.FontMetricsInt fm) {
Drawable d = getDrawable();
Rect rect = d.getBounds();
if (fm != null) {
int descent = 0;
int padding = 0;
if (rect.bottom - (fm.descent - fm.ascent) >= 0) {
descent = fm.descent;
padding = rect.bottom - (fm.descent - fm.ascent);
}
fm.descent = padding / 2 + descent;
fm.bottom = fm.descent;
fm.ascent = -rect.bottom + fm.descent;
fm.top = fm.ascent;
}
return rect.right;
}
}
}