update comments

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,6 +4,7 @@ about: Create a report to help us improve
 labels: bug
 ---
 
+<!-- Please search open and closed issues to avoid duplicates -->
 **Does it happen in OpenBoard, or is it exclusive to this modified version?**
 
 **Describe the bug**

.github/ISSUE_TEMPLATE/feature_request.md

@@ -5,6 +5,7 @@ labels: enhancement
 ---
 
 <!--
+Please search open and closed issues to avoid duplicates.
 Note that this version of OpenBoard is focusing only on a few things. You can add a feature request, but at the current stage it's unlikely it will get implemented.
 -->
 

.github/ISSUE_TEMPLATE/new-language-request.md

@@ -5,6 +5,8 @@ labels: dictionaries
 ---
 
 <!--
+Please search open and closed issues to avoid duplicates.
+
 Before you suggest adding a language, check if the language is already included in the downloadable dictionaries at https://github.com/Helium314/openboard/tree/new/dictionaries/dict or experimental dictionaries at  https://github.com/Helium314/openboard/tree/new/dictionaries/experimental/dict
 
 If you open an issue about an existing dictionary, add information which dictionary you use (included in app, or link)

.github/ISSUE_TEMPLATE/other.md

@@ -4,6 +4,8 @@ about: Anything that does not fit into the other categories
 ---
 
 <!--
+Please search open and closed issues to avoid duplicates.
+
 Note that this version of OpenBoard is focusing only on a few things. You can add a feature request or open other issues, but at the current stage it could take a long time until things are improved or even until you get a response.
 
 If you add screenshots, please reduce the size or use thumbnails to keep the issue nicely readable.

app/src/main/java/org/dslul/openboard/inputmethod/keyboard/clipboard/ClipboardAdapter.kt

@@ -69,7 +69,7 @@ class ClipboardAdapter(
             }
             clipboardLayoutParams.setItemProperties(view)
             val colors = Settings.getInstance().current.mColors
-            if (colors is HoloColors)
+            if (colors is HoloColors) // todo: this logic should be in Colors, not here
                 pinnedIconView.colorFilter = colors.accentColorFilter
         }
 

app/src/main/java/org/dslul/openboard/inputmethod/latin/common/Colors.java

@@ -5,7 +5,6 @@ import android.graphics.Color;
 import android.graphics.ColorFilter;
 import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
-import android.util.Log;
 
 import androidx.annotation.Nullable;
 import androidx.core.graphics.BlendModeColorFilterCompat;
@@ -108,10 +107,15 @@ public class Colors {
         final int[][] states = new int[][] {
                 // are other states used?
                 //  looks like only microphone ("shortcut") key can ever be disabled, but then it's not shown anyway...
-                //  and checked seems unused
+                //  checkable/checked is only used for sticky shift key in old holo theme, but drawables not used  in new version
+                //  active is used for action key
+                //  empty is used for emoji and spacers
                 new int[] { android.R.attr.state_pressed}, // pressed
                 new int[] { -android.R.attr.state_pressed}, // not pressed
         };
+        // todo (idea): make better use of the states?
+        //  could also use / create StateListDrawables in colors (though that's a style than a color...)
+        //  this would better allow choosing e.g. cornered/rounded drawables for moreKeys or moreSuggestions
 
         backgroundFilter = BlendModeColorFilterCompat.createBlendModeColorFilterCompat(background, BlendModeCompat.MODULATE);
         adjustedKeyText = brightenOrDarken(keyText, true);