C++ winapi destroyWindow()立即退出我的程序
好的,我可以理解函数是否会返回错误或抛出异常,但由于某种原因,我对DestroyWindow的调用实际上会在该点退出程序。就像实际的exit()函数改变我的程序流一样。文档中没有提到类似的内容,我没有办法弄清楚到底发生了什么,因为我没有得到错误代码。有人遇到过这样的事情吗 我使用这个对象比使用winapi做的更多,所以忽略它的其余部分。这里还有什么问题吗 SYNC_WinSystem.hC++ winapi destroyWindow()立即退出我的程序,c++,visual-studio-2010,winapi,C++,Visual Studio 2010,Winapi,好的,我可以理解函数是否会返回错误或抛出异常,但由于某种原因,我对DestroyWindow的调用实际上会在该点退出程序。就像实际的exit()函数改变我的程序流一样。文档中没有提到类似的内容,我没有办法弄清楚到底发生了什么,因为我没有得到错误代码。有人遇到过这样的事情吗 我使用这个对象比使用winapi做的更多,所以忽略它的其余部分。这里还有什么问题吗 SYNC_WinSystem.h #ifndef SYNC_WINSYSTEM_H #define SYNC_WINSYSTEM_H #in
#ifndef SYNC_WINSYSTEM_H
#define SYNC_WINSYSTEM_H
#include "SYNC_ISystem.h"
#include <Windows.h>
#include <array>
#include "SYNC_Winput.h"
#include "SYNC_IRenderer.h"
#include "SYNC_D3D11Renderer.h"
#define FULL_SCREEN true
// SYNC_WinSystem
class SYNC_WinSystem : public SYNC_ISystem
{
public:
class WindowsContext;
SYNC_WinSystem();
virtual long Initialize(InitializeContext *);
virtual void Init_Loop();
virtual void Shutdown();
virtual long MakeDirectory(std::string);
virtual bool CreateSkin(std::string, std::string, SYNC::ISkin *&);
virtual ISound * CreateSound();
LRESULT CALLBACK MessageHandler(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
private:
virtual long InitializeWindows();
virtual bool Frame();
virtual void ShutdownWindows();
private:
SYNC_Winput m_Input;
private:
std::shared_ptr<SYNC_IRenderer> m_Graphics;
HINSTANCE m_hinstance;
HWND m_hwnd;
int m_screenWidth;
int m_screenHeight;
std::string m_WindowName;
};
// SYNC_WinSystem::WindowsContext
class SYNC_WinSystem::WindowsContext : public SYNC_ISystem::InitializeContext
{
public:
WindowsContext();
std::string Type();
HINSTANCE m_hinstance;
std::string m_WindowName;
private:
const static std::string m_Identifier;
};
#endif
\ifndef SYNC\u WINSYSTEM\u H
#定义同步系统
#包括“SYNC_ISystem.h”
#包括
#包括
#包括“SYNC_Winput.h”
#包括“SYNC_IRenderer.h”
#包括“SYNC_D3D11Renderer.h”
#定义全屏为真
//同步系统
类同步WinSystem:公共同步WinSystem
{
公众:
类上下文;
SYNC_WinSystem();
虚拟长初始化(InitializeContext*);
虚拟void Init_Loop();
虚拟无效关机();
虚拟长MakeDirectory(std::string);
虚拟bool-CreateSkin(std::string、std::string、SYNC::ISkin*&);
虚拟ISound*CreateSound();
LRESULT回调消息处理程序(HWND-HWND、UINT-msg、WPARAM-WPARAM、LPARAM-LPARAM);
私人:
虚拟长初始化窗口();
虚拟布尔帧();
虚拟空间关闭窗口();
私人:
同步Winput m_输入;
私人:
std::共享的ptr m_图形;
HINSTANCE m_HINSTANCE;
HWND m_HWND;
int m_屏幕宽度;
int m_屏幕高度;
std::字符串m_WindowName;
};
//同步WinSystem::WindowsContext
类同步\u WinSystem::WindowsContext:公共同步\u ISystem::InitializeContext
{
公众:
WindowsContext();
std::string Type();
HINSTANCE m_HINSTANCE;
std::字符串m_WindowName;
私人:
常量静态标准::字符串m_标识符;
};
#恩迪夫
SYNC_WinSystem.cpp
#include "SYNC_WinSystem.h"
// SYNC_WinSystem definitions
SYNC_WinSystem * g_windows;
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam);
SYNC_WinSystem::SYNC_WinSystem()
: m_Graphics(new SYNC_D3D11Renderer)
{
m_hinstance = nullptr;
m_hwnd = nullptr;
m_screenWidth = 0;
m_screenHeight = 0;
}
long SYNC_WinSystem::Initialize(InitializeContext * context)
{
long result = 0;
char errors[256];
WindowsContext * cContext;
if(context->Type() == "WindowsContext")
cContext = static_cast<WindowsContext *>(context);
else
return false;
m_hinstance = cContext->m_hinstance;
m_WindowName = cContext->m_WindowName;
g_windows = this;
result = InitializeWindows();
if(result)
{
sprintf_s(errors, "The Window could not initialize. Windows error code: %i", result);
MessageBox(NULL, errors, "Error!", MB_OK);
return result;
}
std::array<std::string, 3> folderNames=
{{
"Compiled_Models",
"Temp_Models",
"Materials"
}};
for(int i = 0; i < (int) folderNames.size(); i++)
{
result = MakeDirectory(folderNames[i]);
if( result && (result != ERROR_ALREADY_EXISTS))
{
sprintf_s(errors, "Error creating directory \" %s \" for system. Windows error code: %i", folderNames[i].c_str(), result);
MessageBox(NULL, errors, "Error!", MB_OK);
return result;
}
result = 0;
}
SYNC_D3D11Renderer::D3D11Context graphicsContext;
graphicsContext.fullscreen = true;
graphicsContext.hwnd = m_hwnd;
graphicsContext.screenDepth = 1000.0f;
graphicsContext.screenNear = 0.1f;
graphicsContext.screenWidth = m_screenWidth;
graphicsContext.screenHeight = m_screenHeight;
if(!m_Graphics->Initialize(&graphicsContext))
return false;
return result;
}
void SYNC_WinSystem::Init_Loop()
{
MSG msg;
bool done, result;
ZeroMemory(&msg, sizeof(MSG));
done = false;
while(!done)
{
if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
if(m_Input.IsKeyPressed(VK_ESCAPE))
{
done = true;
}
else
{
result = Frame();
if(!result)
{
done = true;
}
}
}
}
void SYNC_WinSystem::Shutdown()
{
ShutdownWindows();
}
long SYNC_WinSystem::MakeDirectory(std::string dirName)
{
DWORD result = 0;
long returnValue = 0;
dirName.insert(0, ".\\");
result = CreateDirectory(dirName.c_str(), NULL);
if(result == 0)
{
returnValue = GetLastError();
}
return returnValue;
}
bool SYNC_WinSystem::Frame()
{
if(!m_Graphics->Frame())
return false;
return true;
}
long SYNC_WinSystem::InitializeWindows()
{
DWORD result = 0;
WNDCLASSEX wc;
DEVMODE dmScreenSettings;
int posX, posY;
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = &WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = m_hinstance;
wc.hIcon = LoadIcon(NULL, IDI_WINLOGO);
wc.hIconSm = wc.hIcon;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH) GetStockObject(BLACK_BRUSH);
wc.lpszMenuName = NULL;
wc.lpszClassName = m_WindowName.c_str();
wc.cbSize = sizeof(WNDCLASSEX);
if(RegisterClassEx(&wc) == 0)
{
result = GetLastError();
return result;
}
m_screenWidth = GetSystemMetrics(SM_CXSCREEN);
m_screenHeight = GetSystemMetrics(SM_CYSCREEN);
if(FULL_SCREEN)
{
memset(&dmScreenSettings, 0, sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth = (unsigned long) m_screenWidth;
dmScreenSettings.dmPelsHeight = (unsigned long) m_screenHeight;
dmScreenSettings.dmBitsPerPel = 32;
dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN);
posX = posY = 0;
m_hwnd = CreateWindowEx(WS_EX_APPWINDOW,
m_WindowName.c_str(),
m_WindowName.c_str(),
WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_POPUP,
posX, posY, m_screenWidth, m_screenHeight,
NULL, NULL, m_hinstance, NULL);
}
else
{
m_screenWidth = 800;
m_screenHeight = 600;
posX = ((GetSystemMetrics(SM_CXSCREEN)/2) - (m_screenWidth/2));
posY = ((GetSystemMetrics(SM_CYSCREEN)/2) - (m_screenHeight/2));
m_hwnd = CreateWindowEx(WS_EX_APPWINDOW,
m_WindowName.c_str(),
m_WindowName.c_str(),
WS_OVERLAPPEDWINDOW | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_POPUP,
posX, posY, m_screenWidth, m_screenHeight,
NULL, NULL, m_hinstance, NULL);
}
if(!m_hwnd)
{
result = GetLastError();
return result;
}
ShowWindow(m_hwnd, SW_SHOW);
SetForegroundWindow(m_hwnd);
SetFocus(m_hwnd);
return result;
}
void SYNC_WinSystem::ShutdownWindows()
{
ShowCursor(true);
if(FULL_SCREEN)
{
ChangeDisplaySettings(NULL, 0);
}
if(DestroyWindow(m_hwnd) == 0)
{
char meh[256];
sprintf(meh, "error: %i" , GetLastError());
MessageBox(NULL, meh, "error!", MB_OK);
}
m_hwnd = NULL;
UnregisterClass(m_WindowName.c_str(), m_hinstance);
m_hinstance = NULL;
g_windows = NULL;
return;
}
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
switch(msg)
{
case WM_DESTROY:
{
PostQuitMessage(0);
return 0;
}
case WM_CLOSE:
{
PostQuitMessage(0);
return 0;
}
default:
{
return g_windows->MessageHandler(hwnd, msg, wparam, lparam);
}
}
}
LRESULT CALLBACK SYNC_WinSystem::MessageHandler(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
switch(msg)
{
case WM_KEYDOWN:
{
m_Input.KeyDown((unsigned int) wparam);
return 0;
}
case WM_KEYUP:
{
m_Input.KeyDown((unsigned int) wparam);
return 0;
}
default:
{
return DefWindowProc(hwnd, msg, wparam, lparam);
}
}
}
ISound * SYNC_WinSystem::CreateSound()
{
return nullptr;
}
bool SYNC_WinSystem::CreateSkin(std::string filename, std::string shaderName, SYNC::ISkin *& skin)
{
if(!m_Graphics->CreateSkin(filename, shaderName, skin))
return false;
return true;
}
// SYNC_WinSystem::WindowsContext definitions
const std::string SYNC_WinSystem::WindowsContext::m_Identifier = "WindowsContext";
SYNC_WinSystem::WindowsContext::WindowsContext()
{
}
std::string SYNC_WinSystem::WindowsContext::Type()
{
return m_Identifier;
}
#包括“SYNC_WinSystem.h”
//同步系统定义
同步WinSystem*g_windows;
LRESULT回调WndProc(HWND HWND、UINT msg、WPARAM WPARAM、LPARAM LPARAM);
SYNC_WinSystem::SYNC_WinSystem()
:m_图形(新同步D3D11渲染器)
{
m_hinstance=nullptr;
m_hwnd=nullptr;
m_屏幕宽度=0;
m_屏幕高度=0;
}
长同步\u WinSystem::初始化(InitializeContext*上下文)
{
长结果=0;
字符错误[256];
WindowsContext*cContext;
如果(上下文->类型()=“WindowsContext”)
cContext=静态_cast(上下文);
其他的
返回false;
m_hinstance=cContext->m_hinstance;
m_WindowName=cContext->m_WindowName;
g_视窗=这个;
结果=初始化窗口();
如果(结果)
{
sprintf_s(错误,“窗口无法初始化。Windows错误代码:%i”,结果);
MessageBox(空,错误,“错误!”,MB_OK);
返回结果;
}
std::数组文件夹名=
{{
“已编译的模型”,
“临时模型”,
“材料”
}};
对于(int i=0;i<(int)folderNames.size();i++)
{
结果=MakeDirectory(folderNames[i]);
如果(结果&(结果!=错误已经存在))
{
sprintf_s(错误,“为系统创建目录\%s\”时出错。Windows错误代码:%i”,文件夹名[i]。c_str(),结果);
MessageBox(空,错误,“错误!”,MB_OK);
返回结果;
}
结果=0;
}
同步D3D11Renderer::D3D11上下文图形上下文;
graphicsContext.fullscreen=true;
graphicsContext.hwnd=m_hwnd;
graphicsContext.screenDepth=1000.0f;
graphicsContext.screenNear=0.1f;
graphicsContext.screenWidth=m_screenWidth;
graphicsContext.screenHeight=m_screenHeight;
如果(!m_Graphics->初始化(&graphicsContext))
返回false;
返回结果;
}
void SYNC_WinSystem::Init_Loop()
{
味精;
完成,结果;
零内存(&msg,sizeof(msg));
完成=错误;
而(!完成)
{
if(peek消息(&msg,NULL,0,0,PM_-REMOVE))
{
翻译信息(&msg);
发送消息(&msg);
}
如果(按下m_输入键(VK_退出))
{
完成=正确;
}
其他的
{
结果=帧();
如果(!结果)
{
完成=正确;
}
}
}
}
void SYNC_WinSystem::Shutdown()
{
关闭窗口();
}
长同步\u WinSystem::MakeDirectory(std::string目录名)
{
DWORD结果=0;
长返回值=0;
插入(0,“.\\”);
结果=CreateDirectory(dirName.c_str(),NULL);
如果(结果==0)
{
returnValue=GetLastError();
}
返回值;
}
bool SYNC_WinSystem::Frame()
{
如果(!m_Graphics->Frame())
返回false;
返回true;
}
长同步\u WinSystem::InitializeWindows()
{
DWORD结果=0;
WNDCLASSEX wc;
DEVMODE DMS筛选设置;
int-posX,posY;
wc.style=CS|HREDRAW | CS|VREDRAW | CS|OWNDC;
wc.lpfnWndProc=&WndProc;
wc.cbClsExtra=0;
wc.cbWndExtra=0;
wc.hInstance=m_hInstance;
wc.hIcon=LoadIcon(空,IDI_WINLOGO);
wc.hIconSm=wc.hIcon;
wc.hCursor=LoadCursor(空,IDC_箭头);
wc.hbrBackground=(HBRUSH)GetStockObject(黑色画笔);
wc.lpszMenuName=NULL;
wc.lpszClassName=m_WindowName.c_str();
wc.cbSize=sizeof(WNDCLASSEX);
如果(寄存器类(&wc)==0)
{
结果=GetLastError();
返回结果;
}
m_screenWidth=GetSystemMetrics(SM_CXSCREEN);
m_屏幕高度=GetSystemMetrics(SM_屏幕);
如果(全屏)
{
memset(&dmScreenSettings,0,sizeof(dmScreenSettings));
dmScreenSettings.dmSize=sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth=(无符号长)m_屏幕宽度;
dmScreenSettings.dmPelsHeight=(无符号长)m_屏幕高度;
dmScreenSettings.dmBitsPerPel=32;
dmScreenSettings.dmFields=DM|u BITSPERPEL | DM|u PELSWIDTH | DM|PELSHEIGHT;
中国
#include <memory>
#include <Windows.h>
#include "Syncopate.h"
#include "SYNC_WinSystem.h"
using namespace std;
#include "SYNC_Winput.h"
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,PSTR lpCmdLine, INT nCmdShow)
{
//create a new instance of the engine
std::shared_ptr<SYNC_WinSystem> system( new SYNC_WinSystem);
// create an init context for this specific derivative of SYNC_ISystem
SYNC_WinSystem::WindowsContext context;
context.m_hinstance = hInstance;
context.m_WindowName = "Syncopate";
// Initialize the system object. if something goes wrong, return ERROR
if(system->Initialize(&context))
return 1;
SYNC::ISkin * model;
if(!system->CreateSkin("data.txt", "ColorShader", model))
return 1;
system->Init_Loop();
system->Shutdown();
return 0;
}
case WM_CLOSE:
{
PostQuitMessage(0);
return 0;
}