MacroFrame Loose Icons Support

MacroFrameLooseIcons.lua

LoadAddOn("Blizzard_MacroUI");

local function OnMacroPopupDialogAccepted()
    local macroIndex = MacroFrame.selectedMacro;
    local macroIcon = GetSpellorMacroIconInfo(MacroPopupFrame.selectedIcon);

    if type(macroIcon) == "string" then
        macroIcon = GetFileIDFromPath([[Interface\Icons\]] .. macroIcon);
    end

    if not macroIndex or not macroIcon then
        return;
    end

    EditMacro(macroIndex, nil, macroIcon, nil);

    -- Visual fixups for MacroFrame buttons to use the correct icon and not
    -- appear invisible until the user interacts with it.

    local macroButtonIndex = MacroFrame.macroBase + macroIndex;
    local macroButtonName = "MacroButton" .. macroButtonIndex;
    local macroButtonIcon = _G[macroButtonName .. "Icon"];

    macroButtonIcon:SetTexture(macroIcon);
    MacroFrameSelectedMacroButtonIcon:SetTexture(macroIcon);
end

hooksecurefunc(MacroPopupFrame.BorderBox, "OnOkay", OnMacroPopupDialogAccepted);
hooksecurefunc("MacroPopupOkayButton_OnClick", OnMacroPopupDialogAccepted);