[C/C++/Easyx]07 消息处理—漂亮的按钮

交作业doge, 自己加了点阴影效

#include<stdio.h>

#include<easyx.h>

#include <graphics.h>

ExMessage msg = { 0 };

bool button(int butx, int buty,int butw, int buth , const char* test) {//butx y为按钮位置

  //绘制按钮

  setfillcolor(BLACK);//阴影+

  solidroundrect(butx, buty, butx + butw +3, buty + buth+5, 20, 40);//+

  setlinecolor(BLACK);

  setlinestyle(PS_SOLID, 3);

  setfillcolor(RGB(200, 111, 103));

  fillroundrect(butx, buty, butx + butw, buty + buth, 20, 40);

  //绘制文本

  settextcolor(BLACK);

  int hspace = (butw - textwidth(test)) / 2;

  int wspace = (buth - textheight(test)) / 2;

  outtextxy(butx + hspace, buty + wspace, test);

  //鼠标在这个区域?

  if (msg.x > butx && msg.x < butx + butw && msg.y > buty && msg.y < buty + buth) {

    setfillcolor(RED);

    fillroundrect(butx, buty, butx + butw, buty + buth, 20, 40);

  }

  //鼠标在这个区域并且单机了左键?

  if (msg.message==WM_LBUTTONDOWN && msg.x > butx && msg.x < butx + butw && msg.y > buty && msg.y < buty + buth) {

    return true;

  }

  return false;   

}

int main() {

  //建立窗口

  initgraph(640, 480, EX_SHOWCONSOLE );

  setbkcolor(RGB(242, 222, 189));

  cleardevice();

  setbkmode(TRANSPARENT);//设置文字背景透明

  //

  while (true) {

    if (peekmessage(&msg, EX_MOUSE)) {//获取鼠标信息+

    }

    BeginBatchDraw();//

    if (button(180, 300, 100, 50, "Play")) {//x, y, wide, heigh, text

      printf("Game Start\n");

    }

    if (button(380, 300, 100, 50, "Quit")) {//x, y, wide, heigh, text

      printf("Closing...\n");

    }

    EndBatchDraw();

    msg.message = 0;

  }

  //保持显示

  getchar();

  closegraph();

  return 0;