Magic_Game/src/kiwano/platform/win32/WindowImpl.cpp

926 lines
26 KiB
C++

// Copyright (c) 2016-2020 Kiwano - 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 <kiwano/platform/Window.h>
#if defined(KGE_PLATFORM_WINDOWS)
#include <memory>
#include <array>
#include <kiwano/platform/Keys.h>
#include <kiwano/utils/Logger.h>
#include <kiwano/event/Events.h>
#include <kiwano/platform/Application.h>
#include <kiwano/platform/FileSystem.h>
#include <kiwano/render/Renderer.h>
#include <Windowsx.h> // GET_X_LPARAM, GET_Y_LPARAM
#include <imm.h> // ImmAssociateContext
#pragma comment(lib, "imm32.lib")
#include <timeapi.h> // timeBeginPeriod, timeEndPeriod
#pragma comment(lib, "winmm.lib")
namespace kiwano
{
KGE_DECLARE_SMART_PTR(WindowWin32Impl);
class KGE_API WindowWin32Impl : public Window
{
public:
WindowWin32Impl();
virtual ~WindowWin32Impl();
void Init(const WindowConfig& config);
void SetTitle(const String& title) override;
void SetIcon(Icon icon) override;
void SetMinimumSize(uint32_t width, uint32_t height) override;
void SetMaximumSize(uint32_t width, uint32_t height) override;
void SetCursor(CursorType cursor) override;
void SetResolution(uint32_t width, uint32_t height, bool fullscreen) override;
Vector<Resolution> GetResolutions() override;
void PumpEvents() override;
void SetImmEnabled(bool enable) override;
DWORD GetStyle() const;
void SetActive(bool active);
void UpdateCursor();
LRESULT MessageProc(HWND, UINT32, WPARAM, LPARAM);
static LRESULT CALLBACK StaticWndProc(HWND, UINT32, WPARAM, LPARAM);
private:
bool resizable_;
bool is_moving_or_resizing_;
bool is_minimized_;
CursorType mouse_cursor_;
HIMC imc_restore_;
int mouse_flag_;
String device_name_;
Vector<Resolution> resolutions_;
std::array<KeyCode, 256> key_map_;
};
WindowPtr Window::Create(const WindowConfig& config)
{
WindowWin32ImplPtr ptr = MakePtr<WindowWin32Impl>();
if (ptr)
{
ptr->Init(config);
}
return ptr;
}
} // namespace kiwano
namespace kiwano
{
#define WINDOW_FIXED_STYLE WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX
#define WINDOW_RESIZABLE_STYLE WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_SIZEBOX | WS_MAXIMIZEBOX
#define WINDOW_FULLSCREEN_STYLE WS_CLIPCHILDREN | WS_POPUP
namespace
{
MONITORINFOEXA GetMoniterInfoEx(HWND hwnd)
{
HMONITOR monitor = ::MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
MONITORINFOEXA monitor_info;
memset(&monitor_info, 0, sizeof(monitor_info));
monitor_info.cbSize = sizeof(monitor_info);
::GetMonitorInfoA(monitor, &monitor_info);
return monitor_info;
}
void AdjustWindow(uint32_t width, uint32_t height, DWORD style, uint32_t* win_width, uint32_t* win_height)
{
RECT rc;
::SetRect(&rc, 0, 0, (int)width, (int)height);
::AdjustWindowRect(&rc, style, false);
*win_width = rc.right - rc.left;
*win_height = rc.bottom - rc.top;
MONITORINFOEXA info = GetMoniterInfoEx(NULL);
uint32_t screenw = info.rcWork.right - info.rcWork.left;
uint32_t screenh = info.rcWork.bottom - info.rcWork.top;
if (*win_width > screenw)
*win_width = screenw;
if (*win_height > screenh)
*win_height = screenh;
}
HICON Icon2HIcon(const Icon& icon)
{
HICON hicon = NULL;
if (icon.resource_id != 0 && IS_INTRESOURCE(icon.resource_id))
{
HINSTANCE hinstance = ::GetModuleHandle(nullptr);
hicon = (HICON)::LoadImage(hinstance, MAKEINTRESOURCE(icon.resource_id), IMAGE_ICON, 0, 0,
LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
}
else
{
String full_path = FileSystem::GetInstance().GetFullPathForFile(icon.file_path);
if (!full_path.empty())
{
hicon = (HICON)::LoadImageA(NULL, full_path.c_str(), IMAGE_ICON, 0, 0,
LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_DEFAULTSIZE | LR_LOADFROMFILE);
}
}
return hicon;
}
} // namespace
WindowWin32Impl::WindowWin32Impl()
: resizable_(false)
, is_moving_or_resizing_(false)
, is_minimized_(false)
, mouse_cursor_(CursorType::Arrow)
, key_map_{}
, imc_restore_(nullptr)
, mouse_flag_{}
{
// Keys
key_map_[VK_UP] = KeyCode::Up;
key_map_[VK_LEFT] = KeyCode::Left;
key_map_[VK_RIGHT] = KeyCode::Right;
key_map_[VK_DOWN] = KeyCode::Down;
key_map_[VK_RETURN] = KeyCode::Enter;
key_map_[VK_SPACE] = KeyCode::Space;
key_map_[VK_ESCAPE] = KeyCode::Esc;
key_map_[VK_CONTROL] = KeyCode::Ctrl;
key_map_[VK_SHIFT] = KeyCode::Shift;
key_map_[VK_MENU] = KeyCode::Alt;
key_map_[VK_TAB] = KeyCode::Tab;
key_map_[VK_DELETE] = KeyCode::Delete;
key_map_[VK_BACK] = KeyCode::Back;
// VK_L* and VK_R*
key_map_[VK_LCONTROL] = KeyCode::Ctrl;
key_map_[VK_RCONTROL] = KeyCode::Ctrl;
key_map_[VK_LSHIFT] = KeyCode::Shift;
key_map_[VK_RSHIFT] = KeyCode::Shift;
key_map_[VK_LMENU] = KeyCode::Alt;
key_map_[VK_RMENU] = KeyCode::Alt;
key_map_[VK_LWIN] = KeyCode::Super;
key_map_[VK_RWIN] = KeyCode::Super;
// A - Z
for (size_t i = 0, size = ('Z' - 'A'); i <= size; ++i)
key_map_['A' + i] = KeyCode(size_t(KeyCode::A) + i);
// Num 0 - 9
for (size_t i = 0; i < 10; ++i)
key_map_['0' + i] = KeyCode(size_t(KeyCode::Num0) + i);
// Numpad 0 - 9
for (size_t i = 0; i < 10; ++i)
key_map_[VK_NUMPAD0 + i] = KeyCode(size_t(KeyCode::Numpad0) + i);
// F1 - F12
for (size_t i = 0; i < 12; ++i)
key_map_[VK_F1 + i] = KeyCode(size_t(KeyCode::F1) + i);
::timeBeginPeriod(0);
}
WindowWin32Impl::~WindowWin32Impl()
{
if (handle_)
{
::DestroyWindow(handle_);
handle_ = nullptr;
}
::timeEndPeriod(0);
}
void WindowWin32Impl::Init(const WindowConfig& config)
{
HINSTANCE hinst = GetModuleHandle(nullptr);
WNDCLASSEXA wcex = { 0 };
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.lpszClassName = "KiwanoAppWnd";
wcex.style = CS_HREDRAW | CS_VREDRAW /* | CS_DBLCLKS */;
wcex.lpfnWndProc = WindowWin32Impl::StaticWndProc;
wcex.hIcon = Icon2HIcon(config.icon);
wcex.cbClsExtra = 0;
wcex.cbWndExtra = sizeof(LONG_PTR);
wcex.hInstance = hinst;
wcex.hbrBackground = (HBRUSH)::GetStockObject(BLACK_BRUSH);
wcex.lpszMenuName = nullptr;
wcex.hCursor = ::LoadCursor(hinst, IDC_ARROW);
::RegisterClassExA(&wcex);
// Get the nearest monitor to this window
HMONITOR monitor = ::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY);
// Get the target monitor info
MONITORINFOEXA monitor_info;
memset(&monitor_info, 0, sizeof(MONITORINFOEXA));
monitor_info.cbSize = sizeof(MONITORINFOEXA);
::GetMonitorInfoA(monitor, &monitor_info);
// Save the device name
device_name_ = monitor_info.szDevice;
uint32_t screenw = monitor_info.rcWork.right - monitor_info.rcWork.left;
uint32_t screenh = monitor_info.rcWork.bottom - monitor_info.rcWork.top;
uint32_t win_width, win_height;
AdjustWindow(config.width, config.height, GetStyle(), &win_width, &win_height);
int left = monitor_info.rcWork.left + (screenw - win_width) / 2;
int top = monitor_info.rcWork.top + (screenh - win_height) / 2;
width_ = win_width;
height_ = win_height;
resizable_ = config.resizable;
is_fullscreen_ = config.fullscreen;
handle_ = ::CreateWindowExA(0, "KiwanoAppWnd", config.title.c_str(), GetStyle(), left, top, width_, height_,
nullptr, nullptr, hinst, nullptr);
if (handle_ == nullptr)
{
::UnregisterClassA("KiwanoAppWnd", hinst);
KGE_THROW_SYSTEM_ERROR(HRESULT_FROM_WIN32(GetLastError()), "Create window failed");
}
// disable imm
SetImmEnabled(false);
// use Application instance in message loop
::SetWindowLongPtrA(handle_, GWLP_USERDATA, LONG_PTR(this));
::ShowWindow(handle_, SW_SHOWNORMAL);
::UpdateWindow(handle_);
if (is_fullscreen_)
{
MONITORINFOEXA info = GetMoniterInfoEx(handle_);
int x = (int)info.rcMonitor.left;
int y = (int)info.rcMonitor.top;
int cx = (int)(info.rcMonitor.right - info.rcMonitor.left);
int cy = (int)(info.rcMonitor.bottom - info.rcMonitor.top);
// Top the window
::SetWindowPos(handle_, HWND_TOPMOST, x, y, cx, cy, SWP_NOACTIVATE);
::ShowWindow(handle_, SW_SHOWNORMAL);
resolution_.width = config.width;
resolution_.height = config.height;
}
else
{
RECT client_area;
::GetClientRect(handle_, &client_area);
resolution_.width = uint32_t(client_area.right - client_area.left);
resolution_.height = uint32_t(client_area.bottom - client_area.top);
}
}
void WindowWin32Impl::PumpEvents()
{
MSG msg;
while (::PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE))
{
::TranslateMessage(&msg);
::DispatchMessage(&msg);
}
}
void WindowWin32Impl::SetImmEnabled(bool enable)
{
const bool enabled = imc_restore_ == nullptr;
if (enable != enabled)
{
if (enable)
{
::ImmAssociateContext(handle_, imc_restore_);
imc_restore_ = nullptr;
}
else
{
imc_restore_ = ::ImmAssociateContext(handle_, nullptr);
}
}
}
void WindowWin32Impl::SetTitle(const String& title)
{
KGE_ASSERT(handle_);
::SetWindowTextA(handle_, title.c_str());
}
void WindowWin32Impl::SetIcon(Icon icon)
{
KGE_ASSERT(handle_);
HICON hicon = Icon2HIcon(icon);
::SendMessage(handle_, WM_SETICON, ICON_BIG, (LPARAM)hicon);
::SendMessage(handle_, WM_SETICON, ICON_SMALL, (LPARAM)hicon);
}
void WindowWin32Impl::SetMinimumSize(uint32_t width, uint32_t height)
{
AdjustWindow(width, height, GetStyle(), &min_width_, &min_height_);
}
void WindowWin32Impl::SetMaximumSize(uint32_t width, uint32_t height)
{
AdjustWindow(width, height, GetStyle(), &max_width_, &max_height_);
}
void WindowWin32Impl::SetCursor(CursorType cursor)
{
mouse_cursor_ = cursor;
}
void WindowWin32Impl::SetResolution(uint32_t width, uint32_t height, bool fullscreen)
{
if (is_fullscreen_ != fullscreen)
{
is_fullscreen_ = fullscreen;
// Reset window style
::SetWindowLongPtrA(handle_, GWL_STYLE, GetStyle());
}
if (is_fullscreen_)
{
MONITORINFOEXA info = GetMoniterInfoEx(handle_);
int x = (int)info.rcMonitor.left;
int y = (int)info.rcMonitor.top;
int cx = (int)(info.rcMonitor.right - info.rcMonitor.left);
int cy = (int)(info.rcMonitor.bottom - info.rcMonitor.top);
// Top the window
::SetWindowPos(handle_, HWND_TOPMOST, x, y, cx, cy, SWP_NOACTIVATE);
::ShowWindow(handle_, SW_SHOWNORMAL);
}
else
{
// Adjust the rect of client area
RECT rc = { 0, 0, LONG(width), LONG(height) };
::AdjustWindowRect(&rc, GetStyle(), false);
width = uint32_t(rc.right - rc.left);
height = uint32_t(rc.bottom - rc.top);
MONITORINFOEXA info = GetMoniterInfoEx(handle_);
uint32_t screenw = uint32_t(info.rcWork.right - info.rcWork.left);
uint32_t screenh = uint32_t(info.rcWork.bottom - info.rcWork.top);
int left = screenw > width ? ((screenw - width) / 2) : 0;
int top = screenh > height ? ((screenh - height) / 2) : 0;
// Reset window style
::SetWindowLongPtrA(handle_, GWL_STYLE, GetStyle());
// Unpin the window
::SetWindowPos(handle_, HWND_NOTOPMOST, left, top, width, height, SWP_DRAWFRAME | SWP_FRAMECHANGED);
::ShowWindow(handle_, SW_SHOWNORMAL);
}
resolution_ = Resolution{ width, height, 0 };
// Resize render target
Renderer::GetInstance().Resize(width, height);
}
Vector<Resolution> WindowWin32Impl::GetResolutions()
{
if (resolutions_.empty())
{
Set<String> resolution_list;
DEVMODEA dmi;
ZeroMemory(&dmi, sizeof(dmi));
dmi.dmSize = sizeof(dmi);
DWORD mode_count = 0;
while (EnumDisplaySettingsA(device_name_.c_str(), mode_count++, &dmi) != 0)
{
StringStream ss;
ss << dmi.dmPelsWidth << 'x' << dmi.dmPelsHeight << ':' << dmi.dmDisplayFrequency;
if (resolution_list.find(ss.str()) == resolution_list.end())
{
resolution_list.insert(ss.str());
resolutions_.push_back(Resolution{ uint32_t(dmi.dmPelsWidth), uint32_t(dmi.dmPelsHeight),
uint32_t(dmi.dmDisplayFrequency) });
}
ZeroMemory(&dmi, sizeof(dmi));
}
}
return resolutions_;
}
DWORD WindowWin32Impl::GetStyle() const
{
if (is_fullscreen_)
return WINDOW_FULLSCREEN_STYLE;
if (resizable_)
return WINDOW_RESIZABLE_STYLE;
return WINDOW_FIXED_STYLE;
}
void WindowWin32Impl::SetActive(bool active)
{
if (!handle_)
return;
if (is_fullscreen_)
{
// Hide window when it is not active
if (active)
{
::SetWindowPos(handle_, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
}
else
{
::SetWindowPos(handle_, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
}
}
}
void WindowWin32Impl::UpdateCursor()
{
LPTSTR win32_cursor = IDC_ARROW;
switch (mouse_cursor_)
{
case CursorType::Arrow:
win32_cursor = IDC_ARROW;
break;
case CursorType::TextInput:
win32_cursor = IDC_IBEAM;
break;
case CursorType::SizeAll:
win32_cursor = IDC_SIZEALL;
break;
case CursorType::SizeWE:
win32_cursor = IDC_SIZEWE;
break;
case CursorType::SizeNS:
win32_cursor = IDC_SIZENS;
break;
case CursorType::SizeNESW:
win32_cursor = IDC_SIZENESW;
break;
case CursorType::SizeNWSE:
win32_cursor = IDC_SIZENWSE;
break;
case CursorType::Hand:
win32_cursor = IDC_HAND;
break;
case CursorType::No:
win32_cursor = IDC_NO;
break;
}
::SetCursor(::LoadCursor(nullptr, win32_cursor));
}
LRESULT WindowWin32Impl::MessageProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARAM lparam)
{
switch (msg)
{
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
{
KeyCode key = this->key_map_[size_t(wparam)];
if (key != KeyCode::Unknown)
{
KeyDownEventPtr evt = new KeyDownEvent;
evt->code = key;
this->PushEvent(evt);
}
}
break;
case WM_KEYUP:
case WM_SYSKEYUP:
{
KeyCode key = this->key_map_[size_t(wparam)];
if (key != KeyCode::Unknown)
{
KeyUpEventPtr evt = new KeyUpEvent;
evt->code = key;
this->PushEvent(evt);
}
}
break;
case WM_CHAR:
{
KeyCharEventPtr evt = new KeyCharEvent;
evt->value = char(wparam);
this->PushEvent(evt);
}
break;
case WM_IME_CHAR:
{
// no need to handle
return TRUE;
}
case WM_IME_COMPOSITION:
{
if (lparam & GCS_RESULTSTR)
{
const auto hIMC = ::ImmGetContext(hwnd);
if (hIMC)
{
// Get the size of the result string.
auto dwSize = ::ImmGetCompositionStringA(hIMC, GCS_RESULTSTR, NULL, 0);
// increase buffer size for terminating null character
dwSize += sizeof(char);
// Get the result strings that is generated by IME.
String buf(size_t(dwSize), 0);
::ImmGetCompositionStringA(hIMC, GCS_RESULTSTR, const_cast<char*>(buf.data()), dwSize);
::ImmReleaseContext(hwnd, hIMC);
IMEInputEventPtr evt = new IMEInputEvent;
evt->value = std::move(buf);
this->PushEvent(evt);
return TRUE;
}
}
}
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
{
MouseDownEventPtr evt = new MouseDownEvent;
evt->pos = Point((float)GET_X_LPARAM(lparam), (float)GET_Y_LPARAM(lparam));
if (msg == WM_LBUTTONDOWN || msg == WM_LBUTTONDBLCLK)
{
evt->button = MouseButton::Left;
}
else if (msg == WM_RBUTTONDOWN || msg == WM_RBUTTONDBLCLK)
{
evt->button = MouseButton::Right;
}
else if (msg == WM_MBUTTONDOWN || msg == WM_MBUTTONDBLCLK)
{
evt->button = MouseButton::Middle;
}
if (mouse_flag_ == 0 && ::GetCapture() == nullptr)
::SetCapture(hwnd);
mouse_flag_ |= 1 << int(evt->button);
this->PushEvent(evt);
}
break;
case WM_LBUTTONUP:
case WM_MBUTTONUP:
case WM_RBUTTONUP:
{
MouseUpEventPtr evt = new MouseUpEvent;
evt->pos = Point((float)GET_X_LPARAM(lparam), (float)GET_Y_LPARAM(lparam));
if (msg == WM_LBUTTONUP)
{
evt->button = MouseButton::Left;
}
else if (msg == WM_RBUTTONUP)
{
evt->button = MouseButton::Right;
}
else if (msg == WM_MBUTTONUP)
{
evt->button = MouseButton::Middle;
}
mouse_flag_ &= ~(1 << int(evt->button));
if (mouse_flag_ == 0 && ::GetCapture() == hwnd)
::ReleaseCapture();
this->PushEvent(evt);
}
break;
case WM_MOUSEMOVE:
{
MouseMoveEventPtr evt = new MouseMoveEvent;
evt->pos = Point((float)GET_X_LPARAM(lparam), (float)GET_Y_LPARAM(lparam));
this->PushEvent(evt);
}
break;
case WM_MOUSEWHEEL:
{
MouseWheelEventPtr evt = new MouseWheelEvent;
evt->pos = Point((float)GET_X_LPARAM(lparam), (float)GET_Y_LPARAM(lparam));
evt->wheel = GET_WHEEL_DELTA_WPARAM(wparam) / (float)WHEEL_DELTA;
this->PushEvent(evt);
}
break;
case WM_SIZE:
{
bool resized = false;
if (SIZE_MAXHIDE == wparam || SIZE_MINIMIZED == wparam)
{
KGE_DEBUG_LOGF("Window minimized");
is_minimized_ = true;
// Pause game when window is minimized
Application::GetInstance().Pause();
}
else if (SIZE_MAXIMIZED == wparam)
{
KGE_DEBUG_LOGF("Window maximized");
if (is_minimized_)
{
is_minimized_ = false;
Application::GetInstance().Resume();
}
else
{
resized = true;
}
}
else if (wparam == SIZE_RESTORED)
{
if (is_minimized_)
{
KGE_DEBUG_LOGF("Window restored");
// the window was restored and was previously minimized
is_minimized_ = false;
Application::GetInstance().Resume();
}
else if (is_moving_or_resizing_)
{
// DO NOTHING until the dragging / resizing has stopped.
}
else
{
resized = true;
}
}
if (resized)
{
this->width_ = ((uint32_t)(short)LOWORD(lparam));
this->height_ = ((uint32_t)(short)HIWORD(lparam));
WindowResizedEventPtr evt = new WindowResizedEvent;
evt->window = this;
evt->width = this->GetWidth();
evt->height = this->GetHeight();
this->PushEvent(evt);
KGE_DEBUG_LOGF("Window resized to (%d, %d)", this->width_, this->height_);
}
}
break;
case WM_ENTERSIZEMOVE:
{
is_moving_or_resizing_ = true;
Application::GetInstance().Pause();
return 0;
}
case WM_EXITSIZEMOVE:
{
is_moving_or_resizing_ = false;
Application::GetInstance().Resume();
// Send window resized event when client size changed
RECT client_rect = { 0 };
::GetClientRect(hwnd, &client_rect);
uint32_t client_width = uint32_t(client_rect.right - client_rect.left);
uint32_t client_height = uint32_t(client_rect.bottom - client_rect.top);
if (client_width != this->GetWidth() || client_height != this->GetHeight())
{
KGE_DEBUG_LOGF("Window resized to (%d, %d)", client_width, client_height);
this->width_ = client_width;
this->height_ = client_height;
WindowResizedEventPtr evt = new WindowResizedEvent;
evt->window = this;
evt->width = client_width;
evt->height = client_height;
this->PushEvent(evt);
}
RECT window_rect = { 0 };
::GetWindowRect(hwnd, &window_rect);
int window_x = int(window_rect.left);
int window_y = int(window_rect.top);
if (window_x != this->GetPosX() || window_y != this->GetPosY())
{
KGE_DEBUG_LOGF("Window moved to (%d, %d)", window_x, window_y);
this->pos_x_ = window_x;
this->pos_y_ = window_y;
WindowMovedEventPtr evt = new WindowMovedEvent;
evt->window = this;
evt->x = window_x;
evt->y = window_y;
this->PushEvent(evt);
}
return 0;
}
case WM_GETMINMAXINFO:
{
if (min_width_ && min_height_)
{
((MINMAXINFO*)lparam)->ptMinTrackSize = POINT{ LONG(min_width_), LONG(min_height_) };
}
if (max_width_ && max_height_)
{
((MINMAXINFO*)lparam)->ptMaxTrackSize = POINT{ LONG(max_width_), LONG(max_height_) };
((MINMAXINFO*)lparam)->ptMaxSize = POINT{ LONG(max_width_), LONG(max_height_) };
}
return 0;
}
case WM_MOVE:
{
if (is_moving_or_resizing_)
{
// DO NOTHING until the dragging / resizing has stopped.
}
else
{
int window_x = GET_X_LPARAM(lparam);
int window_y = GET_Y_LPARAM(lparam);
KGE_DEBUG_LOGF("Window moved to (%d, %d)", window_x, window_y);
this->pos_x_ = window_x;
this->pos_y_ = window_y;
WindowMovedEventPtr evt = new WindowMovedEvent;
evt->window = this;
evt->x = window_x;
evt->y = window_y;
this->PushEvent(evt);
}
}
break;
case WM_MENUCHAR:
{
// Disables the crazy beeping sound when pressing a mnemonic key.
// Simply tell Windows that we want the menu closed.
return MAKELRESULT(0, MNC_CLOSE);
}
case WM_ACTIVATE:
{
bool active = (LOWORD(wparam) != WA_INACTIVE);
WindowFocusChangedEventPtr evt = new WindowFocusChangedEvent;
evt->window = this;
evt->focus = active;
this->PushEvent(evt);
}
break;
case WM_SETFOCUS:
{
if (is_fullscreen_)
{
SetActive(true);
}
}
break;
case WM_KILLFOCUS:
{
if (is_fullscreen_)
{
SetActive(false);
}
}
break;
case WM_SETTEXT:
{
KGE_DEBUG_LOGF("Window title changed");
this->title_ = strings::WideToNarrow(reinterpret_cast<LPCWSTR>(lparam));
WindowTitleChangedEventPtr evt = new WindowTitleChangedEvent;
evt->window = this;
evt->title = this->title_;
this->PushEvent(evt);
}
break;
case WM_SETICON:
{
KGE_DEBUG_LOGF("Window icon changed");
}
break;
case WM_DISPLAYCHANGE:
{
KGE_DEBUG_LOGF("The display resolution has changed");
}
break;
case WM_SETCURSOR:
{
this->UpdateCursor();
}
break;
case WM_CLOSE:
{
KGE_DEBUG_LOGF("Window is closing");
WindowClosedEventPtr evt = new WindowClosedEvent;
evt->window = this;
this->PushEvent(evt);
this->SetShouldClose(true);
return 0;
}
break;
case WM_DESTROY:
{
KGE_DEBUG_LOGF("Window was destroyed");
::PostQuitMessage(0);
return 0;
}
break;
}
return ::DefWindowProcA(hwnd, msg, wparam, lparam);
}
LRESULT CALLBACK WindowWin32Impl::StaticWndProc(HWND hwnd, UINT32 msg, WPARAM wparam, LPARAM lparam)
{
LONG_PTR ptr = static_cast<LONG_PTR>(::GetWindowLongPtrA(hwnd, GWLP_USERDATA));
if (ptr)
{
WindowWin32Impl* window = reinterpret_cast<WindowWin32Impl*>(ptr);
return window->MessageProc(hwnd, msg, wparam, lparam);
}
return ::DefWindowProcA(hwnd, msg, wparam, lparam);
}
} // namespace kiwano
#endif