minigui起步

昨天把環境搭建好了，今天就開始編寫helloworld了。總體上很順利，但是還是出現了好幾個錯誤，感覺比作qt的時候順利多了，現在還對qt稀裏糊塗的。

 

照着實力程序我首先寫了這段代碼：

#include <stdio.h> #include <minigui/common.h> #include <minigui/minigui.h> #include <minigui/gdi.h> #include <minigui/window.h> static int HelloWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam) { HDC hdc; switch(message){ case MSG_PAINT: hdc = BeginPaint (hWnd); TextOut (hdc, 60, 60, "Hello world!"); EndPaint (hWnd, hdc); return 0; 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; #ifdef _MGRM_PROCESSES JoinLayer(NAME_DEF_LAYER , "helloworld,it's bloodowolf's world;", 0 , 0); #endif CreateInfo.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION; CreateInfo.dwExStyle = WS_EX_NONE; CreateInfo.spCaption = "bloodwolf"; CreateInfo.hMenu = 0; CreateInfo.hCursor = GetSystemCursor(0); CreateInfo.hIcon = 0; CreateInfo.MainWindowProc = HelloWinProc; CreateInfo.lx = 0; CreateInfo.ty = 0; CreateInfo.rx = 240; CreateInfo.by = 180; CreateInfo.iBkColor = COLOR_lightwhite; CreateInfo.dwAddData = 0; CreateInfo.hHosting = HWND_DESKTOP; hMainWnd = CreateMainWindow (&CreateInfo); if (hMainWnd == HWND_INVALID) return -1; ShowWindow (hMainWnd,SW_SHOWNORMAL); while (GetMessage(&Msg, hMainWnd)) { TranslateMessage (&Msg); DispatchMessage(&Msg); } MainWindowThreadCleanup (hMainWnd); return 0; } #ifndef _MGRM_PROCESSES #include <minigui/dti.c> #endif

 

第一次編譯：gcc -o bloodwolf window.c -lminigui -ljpeg -lpng -lz

 

就拋出這麼多錯誤：

/usr/lib/gcc/i486-linux-gnu/4.4.1/../../../../lib/crt1.o: In function `_start':
/build/buildd/eglibc-2.10.1/csu/../sysdeps/i386/elf/start.S:115: undefined reference to `main'
/usr/local/lib/libminigui.so: undefined reference to `sem_init'
/usr/local/lib/libminigui.so: undefined reference to `pthread_key_create'
/usr/local/lib/libminigui.so: undefined reference to `sem_destroy'
/usr/local/lib/libminigui.so: undefined reference to `pthread_getspecific'
/usr/local/lib/libminigui.so: undefined reference to `pthread_create'
/usr/local/lib/libminigui.so: undefined reference to `pthread_cancel'
/usr/local/lib/libminigui.so: undefined reference to `pthread_key_delete'
/usr/local/lib/libminigui.so: undefined reference to `sem_post'
/usr/local/lib/libminigui.so: undefined reference to `sem_getvalue'
/usr/local/lib/libminigui.so: undefined reference to `pthread_setspecific'
/usr/local/lib/libminigui.so: undefined reference to `sem_wait'
/usr/local/lib/libminigui.so: undefined reference to `pthread_join'
collect2: ld returned 1 exit status

 

查了以下，似乎是沒加必要的編譯選項

 

 gcc -o bloodwolf window.c -lminigui -ljpeg -lpng -lz -lminigui  -lmgext -lpthread

 

這樣就可以了。不過還有個錯誤

/usr/lib/gcc/i486-linux-gnu/4.4.1/../../../../lib/crt1.o: In function `_start':
/build/buildd/eglibc-2.10.1/csu/../sysdeps/i386/elf/start.S:115: undefined reference to `main'

 

意思是未定義的main函數，入口點有問題，估計會是在int MiniGuiMain (int argc,const char* argv[])這裏出問題，看了半天，原來是這樣的

int MiniGUIMain (int argc,const char* argv[])。唉，終於告捷了，啓動qvfb，裏面出現了自己的第一個框框。