371 lines
8.1 KiB
C++
371 lines
8.1 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
|
||
//
|
||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
// of this software and associated documentation files (the "Software"), to deal
|
||
// in the Software without restriction, including without limitation the rights
|
||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
// copies of the Software, and to permit persons to whom the Software is
|
||
// furnished to do so, subject to the following conditions:
|
||
//
|
||
// The above copyright notice and this permission notice shall be included in
|
||
// all copies or substantial portions of the Software.
|
||
//
|
||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
// THE SOFTWARE.
|
||
|
||
#include "window.h"
|
||
#include "render.h"
|
||
#include "logs.h"
|
||
#include "Game.h"
|
||
#include "KeyEvent.h"
|
||
#include "MouseEvent.h"
|
||
#include "../math/scalar.hpp"
|
||
#include <imm.h>
|
||
#pragma comment (lib ,"imm32.lib")
|
||
|
||
#define WINDOW_STYLE WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX & ~WS_THICKFRAME
|
||
#define REGISTER_CLASS L"Easy2DApp"
|
||
|
||
namespace easy2d
|
||
{
|
||
namespace
|
||
{
|
||
void GetContentScale(float* scale_x, float* scale_y);
|
||
|
||
Rect LocateWindow(int width, int height, float scale_x, float scale_y);
|
||
|
||
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param);
|
||
}
|
||
|
||
WindowImpl::WindowImpl()
|
||
: handle(nullptr)
|
||
, scale_x(1.f)
|
||
, scale_y(1.f)
|
||
, initialized(false)
|
||
{
|
||
}
|
||
|
||
WindowImpl::~WindowImpl()
|
||
{
|
||
E2D_LOG("Destroying window");
|
||
|
||
if (handle)
|
||
::DestroyWindow(handle);
|
||
}
|
||
|
||
void WindowImpl::Init(String title, int width, int height, LPCWSTR icon, bool debug)
|
||
{
|
||
if (initialized)
|
||
return;
|
||
|
||
E2D_LOG("Initing window");
|
||
|
||
HINSTANCE hinstance = GetModuleHandle(nullptr);
|
||
WNDCLASSEX wcex = { 0 };
|
||
wcex.cbSize = sizeof(WNDCLASSEX);
|
||
wcex.lpszClassName = REGISTER_CLASS;
|
||
wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
|
||
wcex.lpfnWndProc = WndProc;
|
||
wcex.hIcon = nullptr;
|
||
wcex.cbClsExtra = 0;
|
||
wcex.cbWndExtra = sizeof(LONG_PTR);
|
||
wcex.hInstance = hinstance;
|
||
wcex.hbrBackground = nullptr;
|
||
wcex.lpszMenuName = nullptr;
|
||
wcex.hCursor = ::LoadCursor(nullptr, IDC_ARROW);
|
||
|
||
if (icon)
|
||
{
|
||
wcex.hIcon = (HICON)::LoadImage(
|
||
hinstance,
|
||
icon,
|
||
IMAGE_ICON,
|
||
0,
|
||
0,
|
||
LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE
|
||
);
|
||
}
|
||
|
||
::RegisterClassEx(&wcex);
|
||
|
||
GetContentScale(&scale_x, &scale_y);
|
||
|
||
// <20><><EFBFBD>㴰<EFBFBD>ڴ<EFBFBD>С
|
||
Rect client_rect = LocateWindow(width, height, scale_x, scale_y);
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
handle = ::CreateWindowEx(
|
||
NULL,
|
||
REGISTER_CLASS,
|
||
title.c_str(),
|
||
WINDOW_STYLE,
|
||
static_cast<int>(client_rect.origin.x),
|
||
static_cast<int>(client_rect.origin.y),
|
||
static_cast<int>(client_rect.size.width),
|
||
static_cast<int>(client_rect.size.height),
|
||
nullptr,
|
||
nullptr,
|
||
hinstance,
|
||
this
|
||
);
|
||
|
||
if (handle == nullptr)
|
||
{
|
||
::UnregisterClass(REGISTER_CLASS, hinstance);
|
||
throw std::runtime_error("Create window failed!");
|
||
}
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뷨
|
||
::ImmAssociateContext(handle, nullptr);
|
||
|
||
initialized = true;
|
||
}
|
||
|
||
String WindowImpl::GetTitle() const
|
||
{
|
||
if (handle)
|
||
{
|
||
wchar_t title[256];
|
||
GetWindowTextW(handle, title, 256);
|
||
return title;
|
||
}
|
||
return String();
|
||
}
|
||
|
||
void WindowImpl::SetTitle(const String& title)
|
||
{
|
||
if (handle)
|
||
::SetWindowText(handle, title.c_str());
|
||
}
|
||
|
||
Size WindowImpl::GetSize() const
|
||
{
|
||
if (handle)
|
||
{
|
||
RECT rect;
|
||
GetClientRect(handle, &rect);
|
||
return Size(
|
||
static_cast<float>(rect.right - rect.left),
|
||
static_cast<float>(rect.bottom - rect.top)
|
||
);
|
||
}
|
||
return Size();
|
||
}
|
||
|
||
float WindowImpl::GetWidth() const
|
||
{
|
||
return GetSize().width;
|
||
}
|
||
|
||
float WindowImpl::GetHeight() const
|
||
{
|
||
return GetSize().height;
|
||
}
|
||
|
||
void WindowImpl::SetSize(int width, int height)
|
||
{
|
||
if (handle)
|
||
{
|
||
Rect rect = LocateWindow(width, height, scale_x, scale_y);
|
||
::MoveWindow(
|
||
handle,
|
||
static_cast<int>(rect.origin.x),
|
||
static_cast<int>(rect.origin.y),
|
||
static_cast<int>(rect.size.width),
|
||
static_cast<int>(rect.size.height),
|
||
TRUE
|
||
);
|
||
}
|
||
}
|
||
|
||
void WindowImpl::SetIcon(LPCWSTR icon_resource)
|
||
{
|
||
if (handle)
|
||
{
|
||
HINSTANCE hinstance = GetModuleHandle(nullptr);
|
||
HICON icon = (HICON)::LoadImage(
|
||
hinstance,
|
||
icon_resource,
|
||
IMAGE_ICON,
|
||
0,
|
||
0,
|
||
LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE
|
||
);
|
||
|
||
::SendMessage(handle, WM_SETICON, ICON_BIG, (LPARAM)icon);
|
||
::SendMessage(handle, WM_SETICON, ICON_SMALL, (LPARAM)icon);
|
||
}
|
||
}
|
||
|
||
HWND WindowImpl::GetHandle() const
|
||
{
|
||
return handle;
|
||
}
|
||
|
||
float WindowImpl::GetContentScaleX() const
|
||
{
|
||
return scale_x;
|
||
}
|
||
|
||
float WindowImpl::GetContentScaleY() const
|
||
{
|
||
return scale_y;
|
||
}
|
||
|
||
namespace
|
||
{
|
||
void GetContentScale(float* scale_x, float* scale_y)
|
||
{
|
||
const float DEFAULT_SCREEN_DPI = 96.f;
|
||
const HDC dc = GetDC(NULL);
|
||
float xdpi = static_cast<float>(GetDeviceCaps(dc, LOGPIXELSX));
|
||
float ydpi = static_cast<float>(GetDeviceCaps(dc, LOGPIXELSY));
|
||
ReleaseDC(NULL, dc);
|
||
|
||
if (scale_x)
|
||
*scale_x = xdpi / DEFAULT_SCREEN_DPI;
|
||
if (scale_y)
|
||
*scale_y = ydpi / DEFAULT_SCREEN_DPI;
|
||
}
|
||
|
||
Rect LocateWindow(int width, int height, float scale_x, float scale_y)
|
||
{
|
||
int max_width = ::GetSystemMetrics(SM_CXSCREEN);
|
||
int max_height = ::GetSystemMetrics(SM_CYSCREEN);
|
||
RECT rect =
|
||
{
|
||
0,
|
||
0,
|
||
static_cast<LONG>(math::Ceil(width * scale_x)),
|
||
static_cast<LONG>(math::Ceil(height * scale_y))
|
||
};
|
||
|
||
::AdjustWindowRectEx(&rect, WINDOW_STYLE, FALSE, NULL);
|
||
width = static_cast<int>(rect.right - rect.left);
|
||
height = static_cast<int>(rect.bottom - rect.top);
|
||
|
||
if (max_width < width || max_height < height)
|
||
logs::Warningln("The window is larger than screen!");
|
||
|
||
width = std::min(width, max_width);
|
||
height = std::min(height, max_height);
|
||
|
||
return Rect(
|
||
static_cast<float>((max_width - width) / 2),
|
||
static_cast<float>((max_height - height) / 2),
|
||
static_cast<float>(width),
|
||
static_cast<float>(height)
|
||
);
|
||
}
|
||
|
||
LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM w_param, LPARAM l_param)
|
||
{
|
||
LRESULT result = 0;
|
||
bool was_handled = false;
|
||
|
||
Game * game = reinterpret_cast<Game*>(
|
||
static_cast<LONG_PTR>(::GetWindowLongPtrW(hwnd, GWLP_USERDATA))
|
||
);
|
||
|
||
switch (msg)
|
||
{
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
|
||
case WM_LBUTTONUP:
|
||
case WM_LBUTTONDOWN:
|
||
case WM_LBUTTONDBLCLK:
|
||
case WM_MBUTTONUP:
|
||
case WM_MBUTTONDOWN:
|
||
case WM_MBUTTONDBLCLK:
|
||
case WM_RBUTTONUP:
|
||
case WM_RBUTTONDOWN:
|
||
case WM_RBUTTONDBLCLK:
|
||
case WM_MOUSEMOVE:
|
||
case WM_MOUSEWHEEL:
|
||
{
|
||
game->Dispatch(MouseEvent(msg, w_param, l_param));
|
||
}
|
||
result = 0;
|
||
was_handled = true;
|
||
break;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
|
||
case WM_KEYDOWN:
|
||
case WM_KEYUP:
|
||
{
|
||
game->Dispatch(KeyEvent(msg, w_param, l_param));
|
||
}
|
||
result = 0;
|
||
was_handled = true;
|
||
break;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>С<EFBFBD>仯<EFBFBD><E4BBAF>Ϣ
|
||
case WM_SIZE:
|
||
{
|
||
UINT width = LOWORD(l_param);
|
||
UINT height = HIWORD(l_param);
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>һ<EFBFBD><D2BB> WM_SIZE <20><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱦ
|
||
// Ŀ<><C4BF><EFBFBD>Ĵ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><DCBB><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>п<EFBFBD><D0BF>ܵ<EFBFBD>
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD> EndDraw ʱ<><CAB1><EFBFBD><EFBFBD>
|
||
devices::Graphics::Instance()->Resize(width, height);
|
||
}
|
||
break;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ʱ仯<CAB1><E4BBAF>Ϣ
|
||
case WM_DISPLAYCHANGE:
|
||
{
|
||
// <20>ػ<EFBFBD><D8BB>ͻ<EFBFBD><CDBB><EFBFBD>
|
||
::InvalidateRect(hwnd, nullptr, FALSE);
|
||
}
|
||
result = 0;
|
||
was_handled = true;
|
||
break;
|
||
|
||
// <20>ػ洰<D8BB><E6B4B0>
|
||
case WM_PAINT:
|
||
{
|
||
game->DrawScene();
|
||
::ValidateRect(hwnd, nullptr);
|
||
}
|
||
result = 0;
|
||
was_handled = true;
|
||
break;
|
||
|
||
// <20><><EFBFBD>ڹر<DAB9><D8B1><EFBFBD>Ϣ
|
||
case WM_CLOSE:
|
||
{
|
||
if (game->OnClose())
|
||
{
|
||
game->Quit();
|
||
}
|
||
}
|
||
result = 0;
|
||
was_handled = true;
|
||
break;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
|
||
case WM_DESTROY:
|
||
{
|
||
::PostQuitMessage(0);
|
||
}
|
||
result = 1;
|
||
was_handled = true;
|
||
break;
|
||
|
||
}
|
||
|
||
if (!was_handled)
|
||
{
|
||
result = ::DefWindowProc(hwnd, msg, w_param, l_param);
|
||
}
|
||
return result;
|
||
}
|
||
}
|
||
}
|