Add per-indicator pandemic borders to raid-frame buffs

EllesmereUIRaidFrames/EUI_RaidFrames_AuraContainers.lua

@@ -1224,9 +1224,42 @@ local function ApplyBmIconGlow(button, dd, style)
     end
 end
 
--- applyExtra for icon slots: shared text pass + opacity + BM frame levels.
--- hideIcon = legacy text-only mode (icon/swipe/border hidden via style flags;
--- duration text and stacks unaffected).
+local function ApplyBmPandemicBorder(button, dd, style)
+    -- Register once during creation, including when disabled. The engine owns
+    -- visibility; settings only recolor the child textures on subsequent restyles.
+    if not dd.bmPandemic and not dd.bmRegistered and button.AddPandemicRegion then
+        local holder = CreateFrame("Frame", nil, button)
+        holder:SetAllPoints(button)
+        holder:EnableMouse(false)
+        holder:Hide()
+        dd.bmPandemic = holder
+        dd.bmPandemicEdges = {}
+        for i = 1, 4 do
+            dd.bmPandemicEdges[i] = holder:CreateTexture(nil, "OVERLAY")
+        end
+        local top, bottom, left, right = unpack(dd.bmPandemicEdges)
+        top:SetPoint("TOPLEFT"); top:SetPoint("TOPRIGHT")
+        bottom:SetPoint("BOTTOMLEFT"); bottom:SetPoint("BOTTOMRIGHT")
+        left:SetPoint("TOPLEFT"); left:SetPoint("BOTTOMLEFT")
+        right:SetPoint("TOPRIGHT"); right:SetPoint("BOTTOMRIGHT")
+    end
+    local holder = dd.bmPandemic
+    if not holder then return end
+    holder:SetFrameLevel(dd.stackCarrier:GetFrameLevel() - 1)
+    local width = style.bmPandemicWidth or 2
+    local r, g, b = BmColor(style.bmPandemicColor, 1, 0.2, 0.2)
+    local alpha = style.bmPandemicEnabled and not style.hideIcon and 1 or 0
+    for i, edge in ipairs(dd.bmPandemicEdges) do
+        if i <= 2 then edge:SetHeight(width) else edge:SetWidth(width) end
+        edge:SetColorTexture(r, g, b, alpha)
+    end
+    if not dd.bmPandemicBound then
+        button:AddPandemicRegion(holder)
+        dd.bmPandemicBound = true
+    end
+end
+
+-- Icon text, opacity and frame levels also apply to text-only indicators.
 local function ApplyBmIconExtra(button, dd, style)
     ApplyRFDebuffText(button, dd, style)
     -- "Hide Icons" gate: like the hidden swipe (see AuraKit's style pass), a
@@ -1277,6 +1310,7 @@ local function ApplyBmIconExtra(button, dd, style)
     if dd.stackCarrier then dd.stackCarrier:SetFrameLevel(base + BM_FRAMELVL_TEXT) end
     BmRebindDurationCurve(button, dd, style)
     ApplyBmIconGlow(button, dd, style)
+    ApplyBmPandemicBorder(button, dd, style)
 end
 
 -- Buff/HoT tooltip gate (profile-root "Hide Buff Tooltips", default hidden). Engine
@@ -1331,6 +1365,9 @@ local function BuildBmIconStyle(ind, iscale, size)
         bmGlowR = ind.displayGlowR,
         bmGlowG = ind.displayGlowG,
         bmGlowB = ind.displayGlowB,
+        bmPandemicEnabled = ind.pandemicBorderEnabled == true,
+        bmPandemicColor = ind.pandemicBorderColor,
+        bmPandemicWidth = ind.pandemicBorderWidth or 2,
         applyExtra = ApplyBmIconExtra,
     }
 end
@@ -1993,6 +2030,7 @@ local function BmVisualKey(kind, ind, size, font, spellID)
     if kind == "icon" then
         return FP(font, size, (ns.db and ns.db.profile and ns.db.profile.bmIconZoom) or 0.08,
             ind.iconOpacity, ind.hideIcon, ind.indBorderSize, CK(ind.indBorderColor),
+            ind.pandemicBorderEnabled, CK(ind.pandemicBorderColor), ind.pandemicBorderWidth,
             ind.showDuration, ind.showDurationText, ind.durationTextSize, CK(ind.durationTextColor),
             ind.durationTextOffsetX, ind.durationTextOffsetY, ind.thresholdEnabled, ind.threshold,
             CK(ind.thresholdColor), ind.showStacks, ind.stacksTextSize, CK(ind.stacksTextColor),

EllesmereUIRaidFrames/EUI_RaidFrames_BuffManager.lua

@@ -1620,8 +1620,13 @@ function ns.BM_ApplyPreviewIndicators(f, index, s)
                                     end
                                     if fr._bdr and PP then
                                         local ibs = pvHideIcon and 0 or (ind.indBorderSize or 1)
+                                        local pandemicPreview = indType == "icon" and isSelected
+                                            and ind.pandemicBorderEnabled and not pvHideIcon
+                                        if pandemicPreview then ibs = ind.pandemicBorderWidth or 2 end
                                         if ibs > 0 then
-                                            local ibc = ind.indBorderColor or { r=0, g=0, b=0 }
+                                            local ibc = pandemicPreview
+                                                and (ind.pandemicBorderColor or { r=1, g=0.2, b=0.2 })
+                                                or ind.indBorderColor or { r=0, g=0, b=0 }
                                             PP.UpdateBorder(fr._bdr, ibs, ibc.r, ibc.g, ibc.b, 1)
                                             fr._bdr:Show()
                                         else
@@ -4913,7 +4918,48 @@ function ns.BM_BuildPage(pageName, parent, yOffset)
                 UpdateDispGlowState()
             end
 
-            -- THRESHOLD section (Enable, seconds, color, opacity)
+            if indType == "icon" then
+                _, h = W:SectionHeader(leftFrame, "PANDEMIC BORDER", sy); sy = sy - h
+                local pandemicOff = function() return not ind.pandemicBorderEnabled end
+                local pandemicRow = SettingsRow(
+                    { type="toggle", text="Enable Pandemic Border",
+                      tooltip="Highlights this indicator's icons during Blizzard's refresh window. Requires pandemic-region support from the game. The selected indicator previews the active border. Use a Lifebloom-only indicator to highlight only Lifebloom.",
+                      getValue=function() return ind.pandemicBorderEnabled or false end,
+                      setValue=function(v) ind.pandemicBorderEnabled = v; ReloadAndUpdate(); EllesmereUI:RefreshPage() end },
+                    { type="slider", text="Border Size", min=1, max=5, step=1,
+                      disabled=pandemicOff, disabledTooltip="Enable Pandemic Border",
+                      getValue=function() return ind.pandemicBorderWidth or 2 end,
+                      setValue=function(v) ind.pandemicBorderWidth = v; ReloadAndUpdate() end })
+                local rgn = pandemicRow._leftRegion
+                local swatch, updateSwatch = EllesmereUI.BuildColorSwatch(
+                    rgn, pandemicRow:GetFrameLevel() + 3,
+                    function()
+                        local c = ind.pandemicBorderColor or { r=1, g=0.2, b=0.2 }
+                        return c.r, c.g, c.b
+                    end,
+                    function(r, g, b)
+                        ind.pandemicBorderColor = { r=r, g=g, b=b }
+                        ReloadAndUpdate()
+                    end, false, 20)
+                swatch:SetPoint("RIGHT", rgn._control, "LEFT", -8, 0)
+                local origClick = swatch:GetScript("OnClick")
+                swatch:SetScript("OnClick", function(self, ...)
+                    if pandemicOff() then return end
+                    if origClick then origClick(self, ...) end
+                end)
+                swatch:SetScript("OnEnter", function()
+                    EllesmereUI.ShowWidgetTooltip(swatch, pandemicOff()
+                        and EllesmereUI.DisabledTooltip("Enable Pandemic Border") or "Pandemic Border Color")
+                end)
+                swatch:SetScript("OnLeave", function() EllesmereUI.HideWidgetTooltip() end)
+                local function UpdatePandemicSwatch()
+                    updateSwatch(); swatch:SetAlpha(pandemicOff() and 0.3 or 1)
+                end
+                EllesmereUI.RegisterWidgetRefresh(UpdatePandemicSwatch)
+                UpdatePandemicSwatch()
+            end
+
+            -- Threshold text remains independent of the pandemic border.
             BuildThresholdRow()
 
         elseif typeInfo and typeInfo.placed then