实现效果一览:
当鼠标放上去后效果:
代码实现及详解:文章来源:https://www.toymoban.com/news/detail-859840.html
#include<iostream>
using namespace std;
#include <graphics.h>
#include <windows.h>
#include <conio.h>
#include<string.h>
/*
* 使用easyx 制作的菜单界面
*/
// 定义菜单按钮的宽度和高度
const int BUTTON_WIDTH = 200;
const int BUTTON_HEIGHT = 50;
//总的操作数再加上1
#define operations 11
// 定义按钮的坐标和状态
struct Button {
int x, y; // 按钮的左上角坐标
bool isHovered; // 是否被鼠标悬停
};
void Clear_() {
system("cls");
}
//函数声明
wchar_t* multiByteToWideChar(const string& pKey);
char* wideCharToMultiByte(wchar_t* pWCStrKey);
bool isInButtonArea(Button button, int x, int y);
void drawButton(Button button, string str);
void Show_str_to_PC(int x, int y, string str, int size);
int main() {
//初始化窗口
initgraph(640, 660);
//载入背景图片
IMAGE bg_image;
loadimage(&bg_image, _T("schoolmap.jpg"), 640, 660); // 加载背景图片
//绘制背景图
putimage(0, 0, &bg_image);
//操作数组
string texts[operations - 1] = { "显示景点信息\0","查找景点\0","查找两个景点间的简单路径\0","查找所有路径\0","退出系统\0","添加景点\0","删除景点\0","修改景点信息\0","添加两个景点间的路径\0","删除两个景点间的路径\0" };
//用来指定显示范围的变量
RECT r;
// 创建按钮数组
Button* buttons = new Button[operations - 1];
//初始化按钮
for (int i = 0; i < operations - 1; i++) {
buttons[i].isHovered = false;
buttons[i].x = 220;
buttons[i].y = 150 + i * 50;
}
//绘制背景图
putimage(0, 0, &bg_image);
// 循环处理消息
while (true) {
// 绘制界面
setbkmode(TRANSPARENT);
settextstyle(45, 0, _T("宋体"), 0, 0, FW_BOLD, 0, 0, 0);
settextcolor(WHITE);
r = { 0,60, 639,120 };
drawtext(_T("校园导游系统"), &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
r = { 0,100,639,160 };
settextstyle(20, 0, _T("宋体"), 0, 0, FW_BOLD, 0, 0, 0);
drawtext(_T("欢迎来到XXXX大学"), &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
//遍历 画出按钮
for (int i = 0; i < operations - 1; i++) {
drawButton(buttons[i], texts[i]);
}
// 循环处理鼠标消息
if (MouseHit()) {
MOUSEMSG m = GetMouseMsg();
switch (m.uMsg) {
case WM_MOUSEMOVE:
// 鼠标移动时判断是否在按钮区域内
for (int i = 0; i < operations - 1; i++) {
buttons[i].isHovered = isInButtonArea(buttons[i], m.x, m.y);
}
break;
case WM_LBUTTONUP:
// 左键抬起时判断是否在按钮区域内
for (int i = 0; i < operations - 1; i++) {
if (isInButtonArea(buttons[i], m.x, m.y)) {
switch (i) {//可以在各个case中添加对应的处理函数
case 0:
Clear_();
cleardevice();//清理屏幕
cout << "显示景点信息" << endl;//这里可以用对应的函数绘制二级界面
break;
case 1:
Clear_();
cleardevice();
cout << "查找景点" << endl;
break;
case 2:
Clear_();
cleardevice();
cout << "查找两个景点间的简单路径" << endl;
break;
case 3:
Clear_();
cleardevice();
cout << "查找所有路径" << endl;
break;
case 4:
Clear_();
cleardevice();
cout << "退出系统" << endl;
break;
case 5:
Clear_();
cleardevice();
cout << "添加景点" << endl;
break;
case 6:
Clear_();
cleardevice();
cout << "删除景点" << endl;
break;
case 7:
Clear_();
cleardevice();
cout << "修改景点" << endl;
break;
case 8:
Clear_();
cleardevice();
cout << "添加景点路径" << endl;
break;
case 9:
Clear_();
cleardevice();
cout << "删除景点路径" << endl;
break;
}
putimage(0, 0, &bg_image);//重绘背景图
}
}
}
}
Sleep(10);//刷新频率
}
closegraph();
return 0;
}
//作此界面可能需要的函数
/*wchart 转string 函数*/
char* wideCharToMultiByte(wchar_t* pWCStrKey)
{
//第一次调用确认转换后单字节字符串的长度,用于开辟空间
int pSize = WideCharToMultiByte(CP_OEMCP, 0, pWCStrKey, wcslen(pWCStrKey), NULL, 0, NULL, NULL);
char* pCStrKey = new char[pSize + 1];
//第二次调用将双字节字符串转换成单字节字符串
WideCharToMultiByte(CP_OEMCP, 0, pWCStrKey, wcslen(pWCStrKey), pCStrKey, pSize, NULL, NULL);
pCStrKey[pSize] = '\0';
return pCStrKey;
}
/*string 转 wchar 函数*/
wchar_t* multiByteToWideChar(const string& pKey)
{
const char* pCStrKey = pKey.c_str();
//第一次调用返回转换后的字符串长度,用于确认为wchar_t*开辟多大的内存空间
int pSize = MultiByteToWideChar(CP_OEMCP, 0, pCStrKey, strlen(pCStrKey) + 1, NULL, 0);
wchar_t* pWCStrKey = new wchar_t[pSize];
//第二次调用将单字节字符串转换成双字节字符串
MultiByteToWideChar(CP_OEMCP, 0, pCStrKey, strlen(pCStrKey) + 1, pWCStrKey, pSize);
return pWCStrKey;
}
// 判断是否在按钮区域内
bool isInButtonArea(Button button, int x, int y) {
return (x >= button.x && x <= button.x + BUTTON_WIDTH
&& y >= button.y && y <= button.y + BUTTON_HEIGHT);
}
// 绘制按钮
void drawButton(Button button, string str) {
if (button.isHovered) {
setfillcolor(WHITE); settextcolor(RGB(59, 90, 166));
}
else {
setfillcolor(RGB(59, 90, 166));
settextcolor(WHITE);
}
fillroundrect(button.x, button.y, button.x + BUTTON_WIDTH, button.y + BUTTON_HEIGHT, 10, 10);
RECT r = { button.x, button.y, button.x + BUTTON_WIDTH, button.y - 1 + BUTTON_HEIGHT - 1 };
setbkmode(TRANSPARENT);
settextstyle(20, 0, _T("微软雅黑"), 0, 0, FW_BOLD, 0, 0, 0);
drawtext(multiByteToWideChar(str), &r, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
//输出指定字符串到屏幕指定位置
void Show_str_to_PC(int x, int y, string str, int size) {
setbkmode(TRANSPARENT);
settextstyle(size, 0, _T("宋体"), 0, 0, FW_BOLD, 0, 0, 0);
settextcolor(WHITE);
outtextxy(x, y, multiByteToWideChar(str));
}
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