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隐藏Window类创建过程

This commit is contained in:
Nomango 2018-07-03 23:39:00 +08:00
parent 59dd575e5b
commit 5c0fc8fc1e
3 changed files with 75 additions and 48 deletions
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110
core/Base/Window.cpp
View File

@ -8,8 +8,9 @@ e2d::Window * e2d::Window::_instance = nullptr;
e2d::Window::Window()
: _hWnd(nullptr)
, _size()
, _title()
, _size(640, 480)
, _title(L"Easy2D Game")
, _iconID(0)
{
}
@ -44,13 +45,12 @@ void e2d::Window::destroyInstance()
}
}
bool e2d::Window::create(const String& title, int width, int height)
HWND e2d::Window::__create()
{
// 注册窗口类
WNDCLASSEX wcex = { 0 };
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.lpszClassName = L"Easy2DApp";
wcex.hIcon = nullptr;
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = Window::WndProc;
wcex.cbClsExtra = 0;
@ -60,6 +60,22 @@ bool e2d::Window::create(const String& title, int width, int height)
wcex.lpszMenuName = nullptr;
wcex.hCursor = ::LoadCursor(nullptr, IDC_ARROW);
if (this->_iconID != 0)
{
wcex.hIcon = (HICON)::LoadImage(
HINST_THISCOMPONENT,
MAKEINTRESOURCE(this->_iconID),
IMAGE_ICON,
0,
0,
LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE
);
}
else
{
wcex.hIcon = nullptr;
}
RegisterClassEx(&wcex);
// 因为 CreateWindow 函数使用的是像素大小，获取系统的 DPI 以使它
@ -67,11 +83,11 @@ bool e2d::Window::create(const String& title, int width, int height)
float dpiScaleX = 0.f, dpiScaleY = 0.f;
Renderer::getFactory()->GetDesktopDpi(&dpiScaleX, &dpiScaleY);
int nWidth = static_cast<int>(ceil(width * dpiScaleX / 96.f));
int nHeight = static_cast<int>(ceil(height * dpiScaleY / 96.f));
int nWidth = static_cast<int>(ceil(this->_size.width * dpiScaleX / 96.f));
int nHeight = static_cast<int>(ceil(this->_size.height * dpiScaleY / 96.f));
// 计算窗口大小
DWORD dwStyle = WS_OVERLAPPEDWINDOW &~ WS_MAXIMIZEBOX &~ WS_THICKFRAME;
DWORD dwStyle = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX &~WS_THICKFRAME;
RECT wr = { 0, 0, static_cast<LONG>(nWidth), static_cast<LONG>(nHeight) };
::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
// 获取新的宽高
@ -83,12 +99,12 @@ bool e2d::Window::create(const String& title, int width, int height)
int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 创建窗口
_hWnd = ::CreateWindowEx(
HWND hWnd = ::CreateWindowEx(
NULL,
L"Easy2DApp",
(LPCTSTR)title,
(LPCTSTR)this->_title,
dwStyle,
(screenWidth - nWidth) / 2, (screenHeight - nHeight) / 2,
(screenWidth - nWidth) / 2, (screenHeight - nHeight) / 2,
nWidth, nHeight,
nullptr,
nullptr,
@ -96,7 +112,7 @@ bool e2d::Window::create(const String& title, int width, int height)
nullptr
);
HRESULT hr = _hWnd ? S_OK : E_FAIL;
HRESULT hr = hWnd ? S_OK : E_FAIL;
if (SUCCEEDED(hr))
{
@ -109,16 +125,12 @@ bool e2d::Window::create(const String& title, int width, int height)
HMENU hmenu = ::GetSystemMenu(consoleHWnd, FALSE);
::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
}
this->_size = Size(width, height);
this->_title = title;
return true;
}
else
{
::UnregisterClass(L"Easy2DApp", HINST_THISCOMPONENT);
this->error(L"Create Window Failed!");
return false;
}
return hWnd;
}
void e2d::Window::__poll()
@ -154,43 +166,61 @@ e2d::String e2d::Window::getTitle()
HWND e2d::Window::getHWnd()
{
if (!_hWnd)
{
_hWnd = this->__create();
if (_hWnd == nullptr)
{
throw SystemException(L"注册窗口失败");
}
}
return _hWnd;
}
void e2d::Window::setSize(int width, int height)
{
// 计算窗口大小
DWORD dwStyle = WS_OVERLAPPEDWINDOW &~ WS_MAXIMIZEBOX &~ WS_THICKFRAME;
RECT wr = { 0, 0, static_cast<LONG>(width), static_cast<LONG>(height) };
::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
// 获取新的宽高
width = static_cast<int>(wr.right - wr.left);
height = static_cast<int>(wr.bottom - wr.top);
// 获取屏幕分辨率
int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 当输入的窗口大小比分辨率大时，给出警告
WARN_IF(screenWidth < width || screenHeight < height, "The window is larger than screen!");
// 取最小值
width = min(width, screenWidth);
height = min(height, screenHeight);
// 修改窗口大小，并设置窗口在屏幕居中
::MoveWindow(_hWnd, (screenWidth - width) / 2, (screenHeight - height) / 2, width, height, TRUE);
this->_size = Size(width, height);
if (_hWnd)
{
// 计算窗口大小
DWORD dwStyle = WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX &~WS_THICKFRAME;
RECT wr = { 0, 0, static_cast<LONG>(width), static_cast<LONG>(height) };
::AdjustWindowRectEx(&wr, dwStyle, FALSE, NULL);
// 获取新的宽高
width = static_cast<int>(wr.right - wr.left);
height = static_cast<int>(wr.bottom - wr.top);
// 获取屏幕分辨率
int screenWidth = ::GetSystemMetrics(SM_CXSCREEN);
int screenHeight = ::GetSystemMetrics(SM_CYSCREEN);
// 当输入的窗口大小比分辨率大时，给出警告
WARN_IF(screenWidth < width || screenHeight < height, "The window is larger than screen!");
// 取最小值
width = min(width, screenWidth);
height = min(height, screenHeight);
// 修改窗口大小，并设置窗口在屏幕居中
::MoveWindow(_hWnd, (screenWidth - width) / 2, (screenHeight - height) / 2, width, height, TRUE);
}
}
void e2d::Window::setTitle(const String& title)
{
// 设置窗口标题
::SetWindowText(_hWnd, (LPCWSTR)title);
this->_title = title;
if (_hWnd)
{
::SetWindowText(_hWnd, (LPCWSTR)title);
}
}
void e2d::Window::setIcon(int iconID)
{
HINSTANCE hInstance = ::GetModuleHandle(nullptr);
HICON hIcon = (HICON)::LoadImage(hInstance, MAKEINTRESOURCE(iconID), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
// 设置窗口的图标
::SendMessage(_hWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
::SendMessage(_hWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
this->_iconID = iconID;
if (_hWnd)
{
HICON hIcon = (HICON)::LoadImage(HINST_THISCOMPONENT, MAKEINTRESOURCE(iconID), IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
// 设置窗口的图标
::SendMessage(_hWnd, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
::SendMessage(_hWnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);
}
}
void e2d::Window::setCursor(Cursor cursor)

2
core/Tool/Player.cpp
View File

@ -36,7 +36,7 @@ e2d::Player * e2d::Player::getInstance()
if (FAILED(hr = XAudio2Create(&_instance->_xAudio2, 0)) ||
FAILED(hr = _instance->_xAudio2->CreateMasteringVoice(&_instance->_masteringVoice)))
{
throw SystemException("初始化 XAudio2 组件失败");
throw SystemException(L"初始化 XAudio2 组件失败");
}
}
return _instance;

11
core/e2dbase.h
View File

@ -86,13 +86,6 @@ public:
// 销毁窗口实例
static void destroyInstance();
// 创建新窗口
bool create(
const String& title,
int width,
int height
);
// 修改窗口大小
void setSize(
int width, /* 窗口宽度 */
@ -164,6 +157,9 @@ private:
E2D_DISABLE_COPY(Window);
// ×¢²á´°¿Ú
HWND __create();
// 处理窗口消息
void __poll();
@ -179,6 +175,7 @@ private:
HWND _hWnd;
Size _size;
String _title;
int _iconID;
static Window * _instance;
};