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/*
** Copyright (c) 2021 LunarG, Inc.
**
** 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 "application/win32_context.h"
#include "application/application.h"
#include "application/win32_window.h"
GFXRECON_BEGIN_NAMESPACE(gfxrecon)
GFXRECON_BEGIN_NAMESPACE(application)
Win32Context::Win32Context(Application* application, bool dpi_aware) : WsiContext(application)
{
window_factory_ = std::make_unique<Win32WindowFactory>(this);
if (dpi_aware)
{
SetProcessDPIAware();
}
}
void Win32Context::ProcessEvents(bool wait_for_input)
{
// Process all pending events.
assert(application_);
while (application_->IsRunning())
{
MSG msg = {};
bool found_message = false;
if (wait_for_input)
{
found_message = (GetMessage(&msg, nullptr, 0, 0) > 0);
// Stop waiting after the first event or this function never will exit.
wait_for_input = false;
}
else
{
found_message = (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE) != 0);
}
if (found_message)
{
if (msg.message == WM_QUIT)
{
application_->StopRunning();
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
else
{
break;
}
}
}
LRESULT WINAPI Win32Context::WindowProc(HWND window, unsigned int msg, WPARAM wp, LPARAM lp)
{
switch (msg)
{
case WM_KEYUP:
{
switch (wp)
{
case VK_SPACE:
case 'P':
{
auto win32_context = reinterpret_cast<Win32Context*>(GetWindowLongPtr(window, GWLP_USERDATA));
auto app = win32_context ? win32_context->application_ : nullptr;
assert(app);
app->SetPaused(!app->GetPaused());
break;
}
case VK_ESCAPE:
PostQuitMessage(0);
break;
default:
return DefWindowProc(window, msg, wp, lp);
}
break;
}
case WM_KEYDOWN:
{
switch (wp)
{
// Using WM_KEYDOWN for repeat when key is held down.
case VK_RIGHT:
case 'N':
{
auto win32_context = reinterpret_cast<Win32Context*>(GetWindowLongPtr(window, GWLP_USERDATA));
auto app = win32_context ? win32_context->application_ : nullptr;
assert(app);
if (app->GetPaused())
{
app->PlaySingleFrame();
}
break;
}
default:
return DefWindowProc(window, msg, wp, lp);
}
break;
}
case WM_SYSKEYUP:
{
switch (wp)
{
// Override the default F10 behavior for menu bar activation, which effectively suspends replay until
// F10 is pushed a second time or the user interacts with the window.
case VK_F10:
break;
default:
return DefWindowProc(window, msg, wp, lp);
}
break;
}
case WM_CLOSE:
PostQuitMessage(0);
break;
case WM_NCCREATE:
// Changes made with SetWindowLongPtr will not take effect until SetWindowPos is called.
SetWindowLongPtr(window, GWLP_USERDATA, (LONG_PTR)((CREATESTRUCT*)lp)->lpCreateParams);
SetWindowPos(window, nullptr, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
// Intentional fall through.
default:
return DefWindowProc(window, msg, wp, lp);
}
return 0;
}
GFXRECON_END_NAMESPACE(application)
GFXRECON_END_NAMESPACE(gfxrecon)
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