我想检测鼠标移动,同时按下左键.
我只是创建一个绘图应用程序.我可以检测鼠标移动而无需按任何鼠标.但我想用鼠标左键检测.
我认为没有任何听众.那么,这样做的想法是什么?
我是C++的新手,在Ubuntu 10.04上使用NetBeans IDE准备作业.我使用g ++作为C++编译器.
错误消息:
build/Debug/GNU-Linux-x86/Maze.o: In function `Maze':
Maze/Maze.cpp:14: undefined reference to `Stack<Coordinate>::Stack()'
Maze/Maze.cpp:14: undefined reference to `Stack<Coordinate>::Stack()'
Maze/Maze.cpp:69: undefined reference to `Stack<Coordinate>::push(Coordinate)'
Maze/Maze.cpp:79: undefined reference to `Stack<Coordinate>::isEmpty()'
Maze/Maze.cpp:87: undefined reference to `Stack<Coordinate>::destroy()'
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我的相关代码:
#include "Coordinate.h"
#include "Stack.h"
....
....
/**
* Contains the stack object
*
* @var Stack stack
* @access private
*/
Stack<Coordinate> *stack;
...
...
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#include "Maze.h"
...
...
Maze::Maze()
{
// IT SHOWS THAT THE FOLLOWING LINE HAS AN ERROR///
stack = …Run Code Online (Sandbox Code Playgroud)