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Diffstat (limited to 'src/main_windows.cpp')
| -rw-r--r-- | src/main_windows.cpp | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/src/main_windows.cpp b/src/main_windows.cpp deleted file mode 100644 index 47c9a42..0000000 --- a/src/main_windows.cpp +++ /dev/null @@ -1,319 +0,0 @@ -/* -* Copyright (c) 2025 Aldrik Ramaekers <aldrik.ramaekers@gmail.com> -* -* Permission to use, copy, modify, and/or distribute this software for any -* purpose with or without fee is hereby granted, provided that the above -* copyright notice and this permission notice appear in all copies. -* -* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#ifdef win64 - -#include "imgui/imgui.h" -#include "imgui_impl_win32.h" -#include "imgui_impl_dx11.h" -#include <d3d11.h> -#include <tchar.h> -#include "timer_lib/timer.h" -#include "ui.hpp" -#include "administration.hpp" -#include "administration_writer.hpp" -#include "administration_reader.hpp" - -// Data -static HWND hwnd; -static ID3D11Device* g_pd3dDevice = nullptr; -static ID3D11DeviceContext* g_pd3dDeviceContext = nullptr; -static IDXGISwapChain* g_pSwapChain = nullptr; -static bool g_SwapChainOccluded = false; -static UINT g_ResizeWidth = 0, g_ResizeHeight = 0; -static ID3D11RenderTargetView* g_mainRenderTargetView = nullptr; - -// Forward declarations of helper functions -bool CreateDeviceD3D(HWND hWnd); -void CleanupDeviceD3D(); -void CreateRenderTarget(); -void CleanupRenderTarget(); -LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); - -void platorm_maximize_window() -{ - LONG style = GetWindowLong(hwnd, GWL_STYLE); - - // allow resizing + maximize - style |= (WS_THICKFRAME | WS_MAXIMIZEBOX); - - SetWindowLong(hwnd, GWL_STYLE, style); - - // Apply style changes - SetWindowPos(hwnd, NULL, 0, 0, 0, 0, - SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED); - - ShowWindow(hwnd, SW_MAXIMIZE); -} - -// Main code -//int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) -int main(int argc, char** argv) -{ - int start_width = 1280; - int start_height = 800; - - // Make process DPI aware and obtain main monitor scale - ImGui_ImplWin32_EnableDpiAwareness(); - float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY)); - - // Create application window - WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; - ::RegisterClassExW(&wc); - - // Get screen size - int screenW = GetSystemMetrics(SM_CXSCREEN); - int screenH = GetSystemMetrics(SM_CYSCREEN); - - // Calculate top-left so window is centered - int x = (screenW - start_width) / 2; - int y = (screenH - start_height) / 2; - - hwnd = ::CreateWindowW(wc.lpszClassName, L"OpenBooks", WS_OVERLAPPEDWINDOW, - x, y, (int)(start_width * main_scale), (int)(start_height * main_scale), nullptr, nullptr, wc.hInstance, nullptr); - - // Initialize Direct3D - if (!CreateDeviceD3D(hwnd)) - { - CleanupDeviceD3D(); - ::UnregisterClassW(wc.lpszClassName, wc.hInstance); - return 1; - } - - // Show the window - ::ShowWindow(hwnd, SW_SHOWDEFAULT); - ::UpdateWindow(hwnd); - - // Setup Dear ImGui context - IMGUI_CHECKVERSION(); - ImGui::CreateContext(); - ImGuiIO& io = ImGui::GetIO(); - io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls - io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls - io.IniFilename = NULL; - io.LogFilename = NULL; - - // Setup Dear ImGui style - ImGui::StyleColorsDark(); - //ImGui::StyleColorsLight(); - - // Setup scaling - ImGuiStyle& style = ImGui::GetStyle(); - style.ScaleAllSizes(main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again) - style.FontScaleDpi = main_scale; // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose) - - // Setup Platform/Renderer backends - ImGui_ImplWin32_Init(hwnd); - ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext); - - // Load Fonts - // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. - // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. - // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). - // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. - // - Read 'docs/FONTS.md' for more instructions and details. - // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! - style.FontSizeBase = 18.0f; - //io.Fonts->AddFontDefault(); - io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf"); - //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\seguisym.ttf"); - ui::fontBold = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeuib.ttf"); - ui::fontBig = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeuib.ttf", 30); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf"); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf"); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf"); - //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf"); - //IM_ASSERT(font != nullptr); - - ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); - - timer_lib_initialize(); - administration_writer::create(); - - if (argc < 2) { - administration::create_default(""); - } - else { - administration_reader::open_existing(argv[1]); - } - - // Main loop - bool done = false; - while (!done) - { - // Poll and handle messages (inputs, window resize, etc.) - // See the WndProc() function below for our to dispatch events to the Win32 backend. - MSG msg; - while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) - { - ::TranslateMessage(&msg); - ::DispatchMessage(&msg); - if (msg.message == WM_QUIT) - done = true; - } - if (done) - break; - - // Handle window being minimized or screen locked - if (g_SwapChainOccluded && g_pSwapChain->Present(0, DXGI_PRESENT_TEST) == DXGI_STATUS_OCCLUDED) - { - ::Sleep(10); - continue; - } - g_SwapChainOccluded = false; - - // Handle window resize (we don't resize directly in the WM_SIZE handler) - if (g_ResizeWidth != 0 && g_ResizeHeight != 0) - { - CleanupRenderTarget(); - g_pSwapChain->ResizeBuffers(0, g_ResizeWidth, g_ResizeHeight, DXGI_FORMAT_UNKNOWN, 0); - g_ResizeWidth = g_ResizeHeight = 0; - CreateRenderTarget(); - } - - // Start the Dear ImGui frame - ImGui_ImplDX11_NewFrame(); - ImGui_ImplWin32_NewFrame(); - ImGui::NewFrame(); - - ui::draw_main(); - - // Rendering - ImGui::Render(); - const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; - g_pd3dDeviceContext->OMSetRenderTargets(1, &g_mainRenderTargetView, nullptr); - g_pd3dDeviceContext->ClearRenderTargetView(g_mainRenderTargetView, clear_color_with_alpha); - ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData()); - - // Present - HRESULT hr = g_pSwapChain->Present(1, 0); // Present with vsync - //HRESULT hr = g_pSwapChain->Present(0, 0); // Present without vsync - g_SwapChainOccluded = (hr == DXGI_STATUS_OCCLUDED); - } - - administration_writer::destroy(); - timer_lib_shutdown(); - administration::destroy(); - - // Cleanup - ImGui_ImplDX11_Shutdown(); - ImGui_ImplWin32_Shutdown(); - ImGui::DestroyContext(); - - CleanupDeviceD3D(); - ::DestroyWindow(hwnd); - ::UnregisterClassW(wc.lpszClassName, wc.hInstance); - - return 0; -} - -// Helper functions - -bool CreateDeviceD3D(HWND hWnd) -{ - // Setup swap chain - DXGI_SWAP_CHAIN_DESC sd; - ZeroMemory(&sd, sizeof(sd)); - sd.BufferCount = 2; - sd.BufferDesc.Width = 0; - sd.BufferDesc.Height = 0; - sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; - sd.BufferDesc.RefreshRate.Numerator = 60; - sd.BufferDesc.RefreshRate.Denominator = 1; - sd.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH; - sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; - sd.OutputWindow = hWnd; - sd.SampleDesc.Count = 1; - sd.SampleDesc.Quality = 0; - sd.Windowed = TRUE; - sd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD; - - UINT createDeviceFlags = 0; - //createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG; - D3D_FEATURE_LEVEL featureLevel; - const D3D_FEATURE_LEVEL featureLevelArray[2] = { D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_0, }; - HRESULT res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext); - if (res == DXGI_ERROR_UNSUPPORTED) // Try high-performance WARP software driver if hardware is not available. - res = D3D11CreateDeviceAndSwapChain(nullptr, D3D_DRIVER_TYPE_WARP, nullptr, createDeviceFlags, featureLevelArray, 2, D3D11_SDK_VERSION, &sd, &g_pSwapChain, &g_pd3dDevice, &featureLevel, &g_pd3dDeviceContext); - if (res != S_OK) - return false; - - CreateRenderTarget(); - return true; -} - -void CleanupDeviceD3D() -{ - CleanupRenderTarget(); - if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = nullptr; } - if (g_pd3dDeviceContext) { g_pd3dDeviceContext->Release(); g_pd3dDeviceContext = nullptr; } - if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } -} - -void CreateRenderTarget() -{ - ID3D11Texture2D* pBackBuffer; - g_pSwapChain->GetBuffer(0, IID_PPV_ARGS(&pBackBuffer)); - g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, &g_mainRenderTargetView); - pBackBuffer->Release(); -} - -void CleanupRenderTarget() -{ - if (g_mainRenderTargetView) { g_mainRenderTargetView->Release(); g_mainRenderTargetView = nullptr; } -} - -// Forward declare message handler from imgui_impl_win32.cpp -extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); - -// Win32 message handler -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) -{ - if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) - return true; - - switch (msg) - { - case WM_GETMINMAXINFO: - { - MINMAXINFO* minMaxInfo = (MINMAXINFO*)lParam; - minMaxInfo->ptMinTrackSize.x = 1400; // Minimum width - minMaxInfo->ptMinTrackSize.y = 900; // Minimum height - return 0; - } - - case WM_SIZE: - if (wParam == SIZE_MINIMIZED) - return 0; - g_ResizeWidth = (UINT)LOWORD(lParam); // Queue resize - g_ResizeHeight = (UINT)HIWORD(lParam); - return 0; - case WM_SYSCOMMAND: - if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu - return 0; - break; - case WM_DESTROY: - ::PostQuitMessage(0); - return 0; - } - return ::DefWindowProcW(hWnd, msg, wParam, lParam); -} - -#endif
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