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python之模拟鼠标键盘动作具体实现

Jun 06, 2016 am 11:28 AM
python

上个月就打算开发个还算好玩的项目,但是一直没时间。这篇是此项目用到的一部分,

处理好此部分基本还差通信等方面的了。首先模拟鼠标键盘按下释放的动作,本人利用X11

这个库,所以要了解X11编程;其次,本身用c或者c++就可以实现了,但是由于本人是py

粉,所以总想把代码搬进python,所以本人就要实现python模块,本篇用的ctypes,以后会

把python的c扩展模块附上来的。

  1.X11编程

    首先简单的介绍一下X11吧,网上有介绍,本人就不重复了。我们知道X是以server与client

的方式提供服务的,我们想要使用其功能,我们就需要与server通信。使用

Display *XOpenDisplay(char *display_name)获得一个Display类型的句柄指针就可以了。

display_name可以是DISPLAY环境变量,用echo $DISPLAY输出是:0(这是本人linux mint输

出的)。如果display_name为NULL接口默认使用环境变量保存的值。X11编程常用的几个头

文件:

  #include
  #include
  #include

本人用到的是#include 和 #include .

XTest.h有我们模拟鼠标和键盘需要的接口XTestFakeButtonEvent、 XTestFakeMotionEvent和

XTestFakeKeyEvent。想了解更多信息只需要在终端上man加函数名即可获得。

比如XTestFakeMotionEvent接口:

代码如下:


int XTestFakeMotionEvent(display, screen_number, x, y,delay);

Display *display;  //此值就是从XOpenDisplay获得
int screen_number; //让其为-1即可表示当前的屏幕
int x, y;          //屏幕位置
unsigned long delay; //延迟毫秒,让其为CurrentTime表示不延迟

最后我们要关闭Display句柄:XCloseDisplay(Display *display)。

接口实现如下:

代码如下:


#include
#include
#include
Display *dspopen(){  

    Display *dsp = XOpenDisplay(NULL);
    if(!dsp) {
        printf("open display failed\n");
        return NULL;
    }
    return dsp;
}
int presskey(Display *dsp,int s){  //键盘按
    if(dsp==NULL)
        return -1;
//    KeySym keysym=XStringToKeysym(s);
    KeyCode key=XKeysymToKeycode(dsp,s);
    if(key==NoSymbol)
        return -1;
    XTestFakeKeyEvent(dsp,key,1,CurrentTime);
    XFlush(dsp);
    return 0;
}
int move(Display *dsp,int x,int y) //鼠标移动
{
    if(0==XTestFakeMotionEvent(dsp,-1,x,y,CurrentTime))
    {
        printf("Cannot move!\n");
        return -1;
    }
    return 0;
}
int buttonpress(Display *dsp,int type) //鼠标按,type=1表示左键,3是右键,2是中键
{
    if(0==XTestFakeButtonEvent(dsp,type,1,CurrentTime))
    {
        printf("press failed\n");
        return -1;
    }
    return 0;
}
int buttonrelease(Display *dsp,int type) //鼠标释放
{
    if(0==XTestFakeButtonEvent(dsp,type,0,CurrentTime))
    {
        printf("release failed\n");
        return -1;
    }
    return 0;
}
int releasekey(Display *dsp,int s){ //键盘release
    if(dsp==NULL)
        return -1;
//    KeySym keysym=XStringToKeysym(s);
    KeyCode key=XKeysymToKeycode(dsp,s);
    if(key==NoSymbol)
        return -1;
    XTestFakeKeyEvent(dsp,key,0,CurrentTime);
    XFlush(dsp);
    return 0;
}
void dspclose( Display *dsp ){
    if(dsp!=NULL){
        XCloseDisplay(dsp);

    }
}
//int main(){     //测试用的会在程序结束后,在光标前输出c
//    Display *dsp=dspopen();
//    presskey(dsp,'c');
//    releasekey(dsp,'c');
//    dspclose(dsp);
//    return 0;
/

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