当我在WINAPI代码中调用glfwInit()时,应用程序的窗口受到干扰。
我在下面的简单WINAPI代码中重现了该问题。在“帮助”菜单中选择“关于”时,窗口尺寸和某些字体看起来较小,并且下拉菜单名称失真。我附加了带有和不带有glfwInit()的图像,如下所示:
有没有一种方法可以使GLFW初始化不影响其他窗口?
代码文件在下面:
Test.cpp:
#include <windows.h>
#include <iostream>
#include <wchar.h>
#include "resource.h"
// Include GLFW
#include <GLFW/glfw3.h>
GLFWwindow* window;
// GLOBAL Variales
const char g_szClassName[] = "myWindowClass";
// Forward declarations
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static INT_PTR CALLBACK AboutDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wc;
HWND hwnd;
MSG Msg;
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = 0;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(GetModuleHandle(NULL), NULL);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = MAKEINTRESOURCE(IDR_MYMENU);
wc.lpszClassName = g_szClassName;
wc.hIconSm = (HICON)LoadImage(GetModuleHandle(NULL), NULL, NULL, 16, 16, 0);
if (!RegisterClassEx(&wc))
{
MessageBox(NULL, "Window Registration Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}
hwnd = CreateWindowEx(WS_EX_CLIENTEDGE, g_szClassName, "The title of my window", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
640, 480, NULL, NULL, hInstance, NULL);
if (hwnd == NULL)
{
MessageBox(NULL, "Window Creation Failed!", "Error!", MB_ICONEXCLAMATION | MB_OK);
return 0;
}
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
while (GetMessage(&Msg, NULL, 0, 0) > 0)
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static HWND hwndEdit;
HWND hwndButton;
switch (msg)
{
case WM_CREATE:
break;
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case ID_HELP_ABOUT:
{
int ret = DialogBox(GetModuleHandle(NULL), MAKEINTRESOURCE(IDD_ABOUTDLG), hwnd, AboutDlgProc);
if (ret == -1)
MessageBox(hwnd, "Dialog failed!", "Error", MB_OK | MB_ICONINFORMATION);
}
break;
case ID_FILE_EXIT:
PostMessage(hwnd, WM_CLOSE, 0, 0);
break;
}
default:
return DefWindowProc(hwnd, msg, wParam, lParam);
}
return 0;
}
static INT_PTR CALLBACK AboutDlgProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
{
switch (Message)
{
case WM_INITDIALOG:
{
glfwInit(); // ********** GLFW INITIALIZATION **********
//window = glfwCreateWindow(640, 480, "GLFW created window", NULL, NULL);
}
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDOK:
{
EndDialog(hwnd, IDOK);
glfwTerminate();
}
break;
case IDCANCEL:
EndDialog(hwnd, IDCANCEL);
break;
}
break;
default:
return FALSE;
}
return TRUE;
}
Test.rc:
#include "resource.h"
#include "winres.h"
IDR_MYMENU MENU
BEGIN
POPUP "&File"
BEGIN
MENUITEM "E&xit", ID_FILE_EXIT
END
POPUP "&Help"
BEGIN
MENUITEM "&About", ID_HELP_ABOUT
END
END
IDD_ABOUTDLG DIALOG DISCARDABLE 0, 0, 239, 66
STYLE DS_MODALFRAME | WS_POPUP | WS_CAPTION | WS_SYSMENU
CAPTION "My About Box"
FONT 8, "MS Sans Serif"
BEGIN
DEFPUSHBUTTON "&OK",IDOK,174,18,50,14
PUSHBUTTON "&Cancel",IDCANCEL,174,35,50,14
GROUPBOX "About this program...",IDC_STATIC,7,7,225,52
CTEXT "GLFW is initialized.",IDC_STATIC,16,18,144,33
END
resource.h:
#define IDR_MYMENU 101
#define ID_FILE_EXIT 9001
#define ID_HELP_ABOUT 9003
#define IDD_ABOUTDLG 9004
#define IDM_EXIT 105
请帮助...指定大小为n * n个实型元素的方阵。编写一个程序,为变量T分配一个等于向量X和Y的标量积的值,其中向量X的分量定义为行的最大元素,向量Y的分量定义为列的最小元素的矩阵A