TotemBar v0.2.5

core/bindlogic.lua

@@ -0,0 +1,73 @@
+-- TotemBar - core/bindlogic.lua
+-- PURE helpers for keybindings + hover-bind mode (no WoW API), offline-testable.
+
+TotemBar = TotemBar or {}
+
+-- Binding-name suffix for a totem: uppercase, non-alphanumeric runs -> "_",
+-- trimmed. "Grace of Air Totem" -> "GRACE_OF_AIR_TOTEM". MUST match the
+-- Bindings.xml generation and the BINDING_NAME_ globals.
+function TotemBar.bindingSuffix(name)
+    if not name then
+        return ""
+    end
+    local up = string.upper(name)
+    up = string.gsub(up, "[^A-Z0-9]+", "_")
+    up = string.gsub(up, "^_+", "")
+    up = string.gsub(up, "_+$", "")
+    return up
+end
+
+-- Modifier prefix for a key string, order ALT-CTRL-SHIFT (each arg is 1/nil
+-- as IsAltKeyDown()/IsControlKeyDown()/IsShiftKeyDown() return on 1.12).
+function TotemBar.modifierPrefix(isAlt, isCtrl, isShift)
+    local p = ""
+    if isAlt then p = p .. "ALT-" end
+    if isCtrl then p = p .. "CTRL-" end
+    if isShift then p = p .. "SHIFT-" end
+    return p
+end
+
+-- Binding COMMAND for a hovered thing, or nil. A flyout icon (totemName
+-- given) -> the named per-totem binding (casts that specific totem, same
+-- action as the Esc menu). A bar button (by global frame name) -> the
+-- matching NAMED binding that already exists in Bindings.xml (NOT a
+-- "CLICK ..." binding - those are unreliable on 1.12, see bind.lua).
+function TotemBar.actionForButton(frameName, totemName)
+    if totemName and totemName ~= "" then
+        return "TOTEMBAR_TOTEM_" .. TotemBar.bindingSuffix(totemName)
+    end
+    if not frameName then
+        return nil
+    end
+    if frameName == "TotemBarButtonRecall" then
+        return "TOTEMBAR_RECALL"
+    end
+    if frameName == "TotemBarButtonDropSet" then
+        return "TOTEMBAR_DROPSET"
+    end
+    local elements = TotemBar.TOTEM_ELEMENTS
+    for i = 1, table.getn(elements) do
+        if frameName == "TotemBarButton" .. elements[i] then
+            return "TOTEMBAR_CAST_" .. string.upper(elements[i])
+        end
+    end
+    return nil
+end
+
+-- Compact a binding key string for a small button overlay:
+-- "SHIFT-NUMPAD7" -> "sN7", "BUTTON4" -> "M4", "MOUSEWHEELUP" -> "MwU".
+function TotemBar.shortenKey(key)
+    if not key or key == "" then
+        return ""
+    end
+    local s = key
+    s = string.gsub(s, "ALT%-", "a")
+    s = string.gsub(s, "CTRL%-", "c")
+    s = string.gsub(s, "SHIFT%-", "s")
+    s = string.gsub(s, "MOUSEWHEELUP", "MwU")
+    s = string.gsub(s, "MOUSEWHEELDOWN", "MwD")
+    s = string.gsub(s, "NUMPAD", "N")
+    s = string.gsub(s, "BUTTON", "M")
+    s = string.gsub(s, "SPACE", "Sp")
+    return s
+end