From a2d5d7d769094a60b38ffa0626b44c6412ef92be Mon Sep 17 00:00:00 2001
From: Kurt <kaphotics@gmail.com>
Date: Sat, 6 Feb 2021 22:33:13 -0800
Subject: [PATCH] Show preview for encounter database slots on hover

---
 PKHeX.Core/Legality/Structures/ILocation.cs   |  2 +-
 .../Controls/Slots/SummaryPreviewer.cs        | 35 +++++++++++++++++--
 PKHeX.WinForms/Subforms/SAV_Encounters.cs     | 21 +++++++++++
 3 files changed, 55 insertions(+), 3 deletions(-)

diff --git a/PKHeX.Core/Legality/Structures/ILocation.cs b/PKHeX.Core/Legality/Structures/ILocation.cs
index c580374ac..610e9ea96 100644
--- a/PKHeX.Core/Legality/Structures/ILocation.cs
+++ b/PKHeX.Core/Legality/Structures/ILocation.cs
@@ -15,7 +15,7 @@ public static int GetLocation(this ILocation encounter)
                 : encounter.EggLocation;
         }
 
-        internal static string? GetEncounterLocation(this ILocation Encounter, int gen, int version = -1)
+        public static string? GetEncounterLocation(this ILocation Encounter, int gen, int version = -1)
         {
             int loc = Encounter.GetLocation();
             if (loc < 0)
diff --git a/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs b/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
index 098b1ac6b..3c6f63872 100644
--- a/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
+++ b/PKHeX.WinForms/Controls/Slots/SummaryPreviewer.cs
@@ -1,7 +1,11 @@
-using System.Windows.Forms;
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
 using PKHeX.Core;
 using PKHeX.WinForms.Properties;
 
+using static PKHeX.Core.LegalityCheckStrings;
+
 namespace PKHeX.WinForms.Controls
 {
     public sealed class SummaryPreviewer
@@ -19,6 +23,33 @@ public void Show(Control pb, PKM pk)
             ShowSet.SetToolTip(pb, text);
         }
 
+        public void Show(Control pb, IEncounterInfo enc)
+        {
+            if (enc.Species == 0)
+            {
+                Clear();
+                return;
+            }
+
+            var lines = new List<string>();
+            var str = GameInfo.Strings.Species;
+            var name = (uint)enc.Species < str.Count ? str[enc.Species] : enc.Species.ToString();
+            var EncounterName = $"{(enc is IEncounterable ie ? ie.LongName : "Special")} ({name})";
+            lines.Add(string.Format(L_FEncounterType_0, EncounterName));
+
+            var el = enc as ILocation;
+            var loc = el?.GetEncounterLocation(enc.Generation, (int)enc.Version);
+            if (!string.IsNullOrEmpty(loc))
+                lines.Add(string.Format(L_F0_1, "Location", loc));
+            lines.Add(string.Format(L_F0_1, nameof(GameVersion), enc.Version));
+            lines.Add(enc.LevelMin == enc.LevelMax
+                ? $"Level: {enc.LevelMin}"
+                : $"Level: {enc.LevelMin}-{enc.LevelMax}");
+
+            var text = string.Join(Environment.NewLine, lines);
+            ShowSet.SetToolTip(pb, text);
+        }
+
         public void Clear() => ShowSet.RemoveAll();
     }
-}
\ No newline at end of file
+}
diff --git a/PKHeX.WinForms/Subforms/SAV_Encounters.cs b/PKHeX.WinForms/Subforms/SAV_Encounters.cs
index c9b84c067..e7ae9c348 100644
--- a/PKHeX.WinForms/Subforms/SAV_Encounters.cs
+++ b/PKHeX.WinForms/Subforms/SAV_Encounters.cs
@@ -18,6 +18,7 @@ public partial class SAV_Encounters : Form
     {
         private readonly PKMEditor PKME_Tabs;
         private SaveFile SAV => PKME_Tabs.RequestSaveFile;
+        private readonly SummaryPreviewer ShowSet = new();
 
         public SAV_Encounters(PKMEditor f1)
         {
@@ -53,6 +54,8 @@ public SAV_Encounters(PKMEditor f1)
                         ClickView(sender, e);
                 };
                 slot.ContextMenuStrip = mnu;
+                if (Settings.Default.HoverSlotShowText)
+                    slot.MouseEnter += (o, args) => ShowHoverTextForSlot(slot, args);
             }
 
             Counter = L_Count.Text;
@@ -102,6 +105,14 @@ private EncounterOrder[] GetTypes()
         private const int RES_MIN = 6;
         private readonly string Counter;
 
+        private bool GetShiftedIndex(ref int index)
+        {
+            if (index >= RES_MAX)
+                return false;
+            index += SCR_Box.Value * RES_MIN;
+            return index < Results.Count;
+        }
+
         // Important Events
         private void ClickView(object sender, EventArgs e)
         {
@@ -330,5 +341,15 @@ protected override void OnMouseWheel(MouseEventArgs e)
             if (newval >= SCR_Box.Minimum && SCR_Box.Maximum >= newval)
                 FillPKXBoxes(SCR_Box.Value = newval);
         }
+
+        private void ShowHoverTextForSlot(object sender, EventArgs e)
+        {
+            var pb = (PictureBox)sender;
+            int index = Array.IndexOf(PKXBOXES, pb);
+            if (!GetShiftedIndex(ref index))
+                return;
+
+            ShowSet.Show(pb, Results[index]);
+        }
     }
 }