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CMap.lua

@@ -134,6 +134,9 @@ local function MigrateSavedVariables()
 	if not SexyMap2DB.userPresets then
 		SexyMap2DB.userPresets = {}
 	end
+	if not SexyMap2DB.buttonPositions then
+		SexyMap2DB.buttonPositions = {}
+	end
 
 	-- Mark the current version so migration doesn't re-run needlessly
 	-- (but the checks above still protect against manually-edited bad data)
@@ -182,6 +185,7 @@ function CMap_OnEvent()
 		CUpdateMinimapVisibility()
 		CApplyMapScale()
 		CLoadArtwork()
+		CApplyButtonPositions()
 		SlashCmdList["CMAP"] = CMap_SlashCmdHandler
 		SLASH_CMAP1 = "/cm"
 		SLASH_CMAP2 = "/sm"
@@ -337,6 +341,152 @@ local function RestoreButtonPoints(frame)
 	hiddenBtnOrigPoints[frame] = nil
 end
 
+-- ============================================
+-- Persistent minimap button positions
+-- ============================================
+-- Minimap buttons are children of the (scaled) MinimapCluster / Minimap.
+-- When the user drags one, we save its position in UIParent screen space
+-- (i.e. multiplied by its effective scale, divided by UIParent effective
+-- scale) so that changing the map scale later does NOT visually move the
+-- button. On login we restore that same on-screen center regardless of
+-- the current map scale.
+
+-- Frames we have already made draggable / hooked (avoid double-hooking).
+local dragEnabledButtons = {}
+
+-- Save a frame's on-screen center to SavedVariables, keyed by frame name.
+local function CSaveButtonScreenPos(frame)
+	if not frame or not frame.GetName or not frame.GetCenter then return end
+	local name = frame:GetName()
+	if not name or name == "" then return end
+	local x, y = frame:GetCenter()
+	if not x or not y then return end
+	local fScale = frame:GetEffectiveScale() or 1
+	local uScale = UIParent:GetEffectiveScale() or 1
+	if uScale == 0 then uScale = 1 end
+	-- Convert into UIParent-space (screen) coordinates.
+	local ux = x * fScale / uScale
+	local uy = y * fScale / uScale
+	if not SexyMap2DB.buttonPositions then
+		SexyMap2DB.buttonPositions = {}
+	end
+	SexyMap2DB.buttonPositions[name] = { x = ux, y = uy }
+end
+
+-- Restore a frame to its saved on-screen center, compensating for the
+-- current parent scale so it lands in the same screen pixel.
+local function CRestoreButtonScreenPos(frame)
+	if not frame or not frame.GetName or not frame.ClearAllPoints then return end
+	local name = frame:GetName()
+	if not name or name == "" then return end
+	if not SexyMap2DB.buttonPositions then return end
+	local saved = SexyMap2DB.buttonPositions[name]
+	if not saved or not saved.x or not saved.y then return end
+	local fScale = frame:GetEffectiveScale() or 1
+	if fScale == 0 then fScale = 1 end
+	local uScale = UIParent:GetEffectiveScale() or 1
+	-- Convert UIParent-space coords back into the frame's own coord space.
+	local fx = saved.x * uScale / fScale
+	local fy = saved.y * uScale / fScale
+	frame:ClearAllPoints()
+	frame:SetPoint("CENTER", UIParent, "BOTTOMLEFT", fx, fy)
+end
+
+-- OnDragStart / OnDragStop handlers used by hooked buttons.
+local function CButton_OnDragStart()
+	if this and this.StartMoving then
+		this:StartMoving()
+	end
+end
+
+local function CButton_OnDragStop()
+	if this then
+		if this.StopMovingOrSizing then this:StopMovingOrSizing() end
+		CSaveButtonScreenPos(this)
+	end
+end
+
+-- Make a single frame movable + save on drag stop. Safe to call repeatedly.
+local function CEnableDragForButton(frame)
+	if not frame or dragEnabledButtons[frame] then return end
+	-- Guard: must be a real Frame-derived object (not a Texture/FontString).
+	if type(frame) ~= "table" or not frame.GetObjectType then return end
+	local ok, objType = pcall(frame.GetObjectType, frame)
+	if not ok or not objType then return end
+	if objType ~= "Frame" and objType ~= "Button" and objType ~= "CheckButton" then return end
+	if not frame.GetScript or not frame.SetScript then return end
+	local name = frame:GetName()
+	if not name or name == "" then return end
+	if frame.SetMovable then frame:SetMovable(true) end
+	if frame.RegisterForDrag then frame:RegisterForDrag("LeftButton") end
+	local origStart = frame:GetScript("OnDragStart")
+	local origStop  = frame:GetScript("OnDragStop")
+	frame:SetScript("OnDragStart", function()
+		if origStart then origStart() end
+		CButton_OnDragStart()
+	end)
+	frame:SetScript("OnDragStop", function()
+		CButton_OnDragStop()
+		if origStop then origStop() end
+	end)
+	dragEnabledButtons[frame] = true
+end
+
+-- Iterate all current minimap side buttons: make them draggable and
+-- restore any saved position. Called on login (after CApplyMapScale) and
+-- again whenever the map scale changes.
+function CApplyButtonPositions()
+	if not Minimap then return end
+
+	local excludeNames = {
+		["MinimapZoomIn"] = true,
+		["MinimapZoomOut"] = true,
+		["MinimapToggleButton"] = true,
+		["CMinimapBackdrop"] = true,
+		["MinimapPing"] = true,
+		["MiniMapPing"] = true,
+	}
+
+	-- Named side buttons
+	local namedFrames = {
+		"MiniMapTracking", "MiniMapTrackingButton", "MiniMapTrackingFrame",
+		"MiniMapMailFrame", "MiniMapMailBorder",
+		"MiniMapBattlefieldFrame", "MiniMapMeetingStoneFrame",
+		"MiniMapWorldMapButton", "MinimapVoiceChatFrame", "MiniMapLFGFrame",
+		"GameTimeFrame",
+	}
+	for _, n in ipairs(namedFrames) do
+		local f = _G[n]
+		if f then
+			CEnableDragForButton(f)
+			if SexyMap2DB.buttonPositions and SexyMap2DB.buttonPositions[n] then
+				CRestoreButtonScreenPos(f)
+			end
+		end
+	end
+
+	-- Any addon buttons parented to Minimap
+	local children = { Minimap:GetChildren() }
+	for _, frame in ipairs(children) do
+		local objType = frame:GetObjectType()
+		if objType == "Button" or objType == "CheckButton" then
+			local name = frame:GetName() or ""
+			if name ~= "" and not excludeNames[name]
+			   and not string.find(name, "POI")
+			   and not string.find(name, "[Qq]uest")
+			   and not string.find(name, "^MinimapPin")
+			   and not string.find(name, "^MiniMapPOI")
+			   and not string.find(name, "[Pp]in%d")
+			then
+				CEnableDragForButton(frame)
+				if SexyMap2DB.buttonPositions and SexyMap2DB.buttonPositions[name] then
+					CRestoreButtonScreenPos(frame)
+				end
+			end
+		end
+	end
+end
+
 function CUpdateMinimapButtonsVisibility()
 	if SexyMap2DB.showMinimapButtons then
 		-- Show only the buttons we previously hid (preserves original visibility)
@@ -461,6 +611,10 @@ function CApplyMapScale()
 
 	-- Update border textures to match new minimap size
 	CUpdateBackdrop()
+
+	-- Re-place any user-positioned minimap buttons so they stay in the
+	-- same on-screen spot regardless of the new scale.
+	if CApplyButtonPositions then CApplyButtonPositions() end
 end
 
 function CUpdateZoneText()