Copy

lcUI/ui/resource.qrc

@@ -17,5 +17,6 @@
         <file alias="polylines.svg">icons/polylines.svg</file>
         <file alias="modify.svg">icons/modify.svg</file>
         <file alias="modifyrotate.png">icons/modifyrotate.png</file>
+        <file alias="move_copy.svg">icons/move_copy.svg</file>
     </qresource>
 </RCC>

lcUILua/actions/copyoperation.lua

@@ -0,0 +1,105 @@
+CopyOperation = {}
+CopyOperation.__index = CopyOperation
+
+setmetatable(CopyOperation, {
+    __index = Operations,
+    __call = function (o, ...)
+        local self = setmetatable({}, o)
+        self:_init(...)
+        return self
+    end,
+})
+
+function CopyOperation:_init(id)
+    Operations._init(self, id)
+
+    self.selection = active_widget():selection()
+
+    message(tostring(#self.selection) .. " items selected")
+
+    if(#self.selection > 0) then
+        self.origin = nil
+        self.destination = nil
+
+        self.tempEntities = {}
+
+        event.register('point', self)
+        event.register('mouseMove', self)
+
+        message("Give origin point")
+    else
+        self.finished = true
+        event.trigger('operationFinished')
+    end
+end
+
+function CopyOperation:onEvent(eventName, ...)
+    if(Operations.forMe(self) == false) then
+        return
+    end
+
+    if(eventName == "point" or eventName == "number") then
+        self:newData(...)
+    elseif(eventName == "mouseMove") then
+        self:tempCopy(...)
+    end
+end
+
+function CopyOperation:newData(point)
+    if(self.origin == nil) then
+        self.origin = Operations:getCoordinate(point)
+
+        message("Give destination point")
+    elseif(Operations:getCoordinate(point) ~= nil) then
+        self.destination = Operations:getCoordinate(point)
+
+        self:copy()
+    end
+end
+
+function CopyOperation:tempCopy(point)
+    if(self.origin ~= nil) then
+        for k, entity in pairs(self.tempEntities) do
+            active_widget():tempEntities():removeEntity(entity)
+        end
+        self.tempEntities = {}
+
+        local offset = point:sub(self.origin)
+
+        for k, entity in pairs(self.selection) do
+            local newEntity = entity:copy(offset)
+            active_widget():tempEntities():addEntity(newEntity)
+            table.insert(self.tempEntities, newEntity)
+        end
+    end
+end
+
+function CopyOperation:copy()
+    local offset = self.destination:sub(self.origin)
+    local b = Builder(active_widget():document())
+
+    for k, entity in pairs(self.selection) do
+        b:append(entity)
+    end
+
+    b:push()
+    b:copy(offset)
+    b:execute()
+
+    self:close()
+end
+
+function CopyOperation:close()
+    if(not self.finished) then
+        self.finished = true
+
+        for k, entity in pairs(self.tempEntities) do
+            active_widget():tempEntities():removeEntity(entity)
+        end
+
+        event.delete('mouseMove', self)
+        event.delete('point', self)
+
+        event.trigger('operationFinished')
+    end
+end

lcUILua/actions/operations.lua

@@ -13,6 +13,7 @@ require 'actions.lwpolylineoperations'
 
 require 'actions.moveoperation'
 require 'actions.rotateoperation'
+require 'actions.copyoperation'
 
 Operations = {}
 Operations.__index = Operations

lcUILua/ui/commandline.lua

@@ -66,6 +66,7 @@ function add_commandline()
 
     add_command("MOVE", move_selected_entities)
     add_command("ROTATE", rotate_selected_entities)
+    add_command("COPY", copy_selected_entities)
 
     event.register("point", setLastPoint)
 end

lcUILua/ui/operations.lua

@@ -118,4 +118,9 @@ end
 function rotate_selected_entities()
     new_operation()
     op[active_widget().id] = RotateOperation(active_widget().id)
+end
+
+function copy_selected_entities()
+    new_operation()
+    op[active_widget().id] = CopyOperation(active_widget().id)
 end

lcUILua/ui/toolbar.lua

@@ -104,4 +104,8 @@ function add_toolbar()
     local rotateButton = create_button("", ":/icons/modifyrotate.png")
     quickAccess:addButton(modifyGroup, rotateButton, 1, 0, 1, 1)
     luaInterface:luaConnect(rotateButton, "pressed()", rotate_selected_entities)
+
+    local copyButton = create_button("", ":/icons/move_copy.svg")
+    quickAccess:addButton(modifyGroup, copyButton, 0, 1, 1, 1)
+    luaInterface:luaConnect(copyButton, "pressed()", copy_selected_entities)
 end

lcadluascript/cad/lualibrecadbridge.cpp

@@ -176,6 +176,7 @@ void lua_openlckernel(lua_State* L) {
     .beginExtendClass<entity::CADEntity, ID>("CADEntity")
 		.addFunction("move", &entity::CADEntity::move)
 		.addFunction("rotate", &entity::CADEntity::rotate)
+		.addFunction("copy", &entity::CADEntity::copy)
 	.endClass()
 	.beginExtendClass<entity::Line, entity::CADEntity>("Line")
 		.addConstructor(LUA_SP(entity::Line_SPtr), LUA_ARGS(