helloworld.c

用minigui做的helloworld程序

#include <stdio.h>
#include <string.h>

#include <minigui/common.h>
#include <minigui/minigui.h>
#include <minigui/gdi.h>
#include <minigui/window.h>
#include <minigui/control.h>



static int HelloWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam)
{
  HDC hdc;
  RECT rc;
	char msg_text[30];
	switch (message) {
		//创建时发送的消息，用来做初始化处理，这里是初始化字符串内容
        case MSG_CREATE:
			strcpy(msg_text,"Hello, world!");
            break;

		//窗口绘画时发送的消息，用来在界面绘图或者输出文字
		//注意这里的return 0 表明不需要进入默认处理函数中。
        case MSG_PAINT:
            printf ("BeginPaint.\n");
            hdc = BeginPaint (hWnd);
            TextOut (hdc, 10, 50, msg_text);
            EndPaint (hWnd, hdc);
            printf ("EndPaint.\n");
            return 0;

		//结束时一些处理函数，主要是销毁主窗口和发送quit消息以退出消息循环。
        case MSG_CLOSE:
            DestroyMainWindow (hWnd);
            PostQuitMessage (hWnd);
            return 0;
    }
    return DefaultMainWinProc(hWnd, message, wParam, lParam);
}

int MiniGUIMain (int argc, const char* argv[])
{
    MSG Msg;
    HWND hMainWnd;
    MAINWINCREATE CreateInfo;



	//窗口信息
    CreateInfo.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION;  //风格
    CreateInfo.dwExStyle = WS_EX_NONE;
    CreateInfo.spCaption = "Hello, world!";                    //标题名
    CreateInfo.hMenu = 0;                                      //无菜单
    CreateInfo.hCursor = GetSystemCursor(0);
    CreateInfo.hIcon = 0;
    CreateInfo.MainWindowProc = HelloWinProc;                  //消息处理过程函数
    CreateInfo.lx = 0;
    CreateInfo.ty = 0;
    CreateInfo.rx = 320;
    CreateInfo.by = 240;
    CreateInfo.iBkColor = COLOR_lightwhite;
    CreateInfo.dwAddData = 0;
    CreateInfo.hHosting = HWND_DESKTOP;                       //托管窗口   
    
	//创建主窗口
    hMainWnd = CreateMainWindow (&CreateInfo);                //创建主窗口  
    
    if (hMainWnd == HWND_INVALID)
        return -1;

	//显示主窗口
    ShowWindow(hMainWnd, SW_SHOWNORMAL);                      //显示主窗口

	//消息循环
    while (GetMessage(&Msg, hMainWnd)) {                    
        TranslateMessage(&Msg);
        DispatchMessage(&Msg);
    }

	//资源清理
    MainWindowThreadCleanup (hMainWnd);

    return 0;
}