Some Lua interface API stuff

1 files changed, 134 insertions, 0 deletions

diff --git a/src/cat/LuaButton.cpp b/src/cat/LuaButton.cpp
new file mode 100644
index 0000000..8a3c92d
--- /dev/null
+++ b/src/cat/LuaButton.cpp
@@ -0,0 +1,134 @@
+extern "C"
+{
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+}
+
+#include <iostream>
+#include "LuaButton.h"
+#include "interface/Button.h"
+
+const char LuaButton::className[] = "Button";
+
+#define method(class, name) {#name, &class::name}
+Luna<LuaButton>::RegType LuaButton::methods[] = {
+	method(LuaButton, action),
+	method(LuaButton, text),
+	method(LuaButton, position),
+	method(LuaButton, size),
+	{0, 0}
+};
+
+LuaButton::LuaButton(lua_State * l) :
+	actionFunction(0)
+{
+	this->l = l;
+	int posX = luaL_optinteger(l, 1, 0);
+	int posY = luaL_optinteger(l, 2, 0);
+	int sizeX = luaL_optinteger(l, 3, 10);
+	int sizeY = luaL_optinteger(l, 4, 10);
+	std::string text = luaL_optstring(l, 5, "");
+	std::string toolTip = luaL_optstring(l, 6, "");;
+
+	button = new ui::Button(ui::Point(posX, posY), ui::Point(sizeX, sizeY), text, toolTip);
+	class ClickAction : public ui::ButtonAction
+	{
+		LuaButton * luaButton;
+	public:
+		ClickAction(LuaButton * luaButton) : luaButton(luaButton) {}
+		void ActionCallback(ui::Button * sender)
+		{
+			luaButton->triggerAction();
+		}
+	};
+	button->SetActionCallback(new ClickAction(this));
+}
+
+int LuaButton::action(lua_State * l)
+{
+	if(lua_type(l, 1) != LUA_TNIL)
+	{
+		luaL_checktype(l, 1, LUA_TFUNCTION);
+		lua_pushvalue(l, 1);
+		actionFunction = luaL_ref(l, LUA_REGISTRYINDEX);
+	}
+	else
+	{
+		actionFunction = 0;
+	}
+}
+
+int LuaButton::text(lua_State * l)
+{
+	int args = lua_gettop(l);
+	if(args)
+	{
+		luaL_checktype(l, 1, LUA_TSTRING);
+		button->SetText(lua_tostring(l, 1));
+		return 0;
+	}
+	else
+	{
+		lua_pushstring(l, button->GetText().c_str());
+		return 1;
+	}
+}
+
+int LuaButton::position(lua_State * l)
+{
+	int args = lua_gettop(l);
+	if(args)
+	{
+		luaL_checktype(l, 1, LUA_TNUMBER);
+		luaL_checktype(l, 2, LUA_TNUMBER);
+		button->Position = ui::Point(lua_tointeger(l, 1), lua_tointeger(l, 2));
+		return 0;
+	}
+	else
+	{
+		lua_pushinteger(l, button->Position.X);
+		lua_pushinteger(l, button->Position.Y);
+		return 2;
+	}
+}
+
+int LuaButton::size(lua_State * l)
+{
+	int args = lua_gettop(l);
+	if(args)
+	{
+		luaL_checktype(l, 1, LUA_TNUMBER);
+		luaL_checktype(l, 2, LUA_TNUMBER);
+		button->Size = ui::Point(lua_tointeger(l, 1), lua_tointeger(l, 2));
+		button->Invalidate();
+		return 0;
+	}
+	else
+	{
+		lua_pushinteger(l, button->Size.X);
+		lua_pushinteger(l, button->Size.Y);
+		return 2;
+	}
+}
+
+void LuaButton::triggerAction()
+{
+	if(actionFunction)
+	{
+		std::cout << actionFunction << std::endl;
+		lua_rawgeti(l, LUA_REGISTRYINDEX, actionFunction);
+		lua_pushinteger(l, 1);
+		if (lua_pcall(l, 1, 1, 0))
+		{
+			//Log error somewhere
+		}
+	}
+}
+
+LuaButton::~LuaButton()
+{
+	if(button->GetParentWindow())
+		button->GetParentWindow()->RemoveComponent(button);
+	delete button;
+}
\ No newline at end of file