a7033b68f7
### Problem description Implements support for DWM immersive dark mode. Closes #1635. ### Implementation description Uses the DwmSetWindowAttribute API to enable this feature. Documentation can be found [here](https://learn.microsoft.com/en-us/windows/apps/desktop/modernize/apply-windows-themes#enable-a-dark-mode-title-bar-for-win32-applications). ### Screenshots Before:  After:  ### Additional things Nothing.
563 lines
21 KiB
C++
563 lines
21 KiB
C++
#include "window.hpp"
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#include "messaging.hpp"
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#if defined(OS_WINDOWS)
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#include <hex/helpers/utils.hpp>
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#include <hex/helpers/logger.hpp>
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#include <imgui.h>
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#include <imgui_internal.h>
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#define GLFW_EXPOSE_NATIVE_WIN32
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#include <GLFW/glfw3native.h>
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#undef GLFW_EXPOSE_NATIVE_WIN32
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#include <winbase.h>
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#include <winuser.h>
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#include <dwmapi.h>
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#include <windowsx.h>
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#include <shobjidl.h>
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#include <wrl/client.h>
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#include <fcntl.h>
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#include <shellapi.h>
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#include <cstdio>
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namespace hex {
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template<typename T>
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using WinUniquePtr = std::unique_ptr<std::remove_pointer_t<T>, BOOL(*)(T)>;
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static LONG_PTR s_oldWndProc;
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static float s_titleBarHeight;
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static Microsoft::WRL::ComPtr<ITaskbarList4> s_taskbarList;
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void nativeErrorMessage(const std::string &message) {
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log::fatal(message);
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MessageBox(nullptr, message.c_str(), "Error", MB_ICONERROR | MB_OK);
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}
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// Custom Window procedure for receiving OS events
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static LRESULT commonWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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switch (uMsg) {
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case WM_COPYDATA: {
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// Handle opening files in existing instance
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auto message = reinterpret_cast<COPYDATASTRUCT *>(lParam);
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if (message == nullptr) break;
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ssize_t nullIndex = -1;
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auto messageData = static_cast<const char*>(message->lpData);
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size_t messageSize = message->cbData;
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for (size_t i = 0; i < messageSize; i++) {
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if (messageData[i] == '\0') {
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nullIndex = i;
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break;
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}
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}
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if (nullIndex == -1) {
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log::warn("Received invalid forwarded event");
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break;
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}
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std::string eventName(messageData, nullIndex);
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std::vector<u8> eventData(messageData + nullIndex + 1, messageData + messageSize);
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hex::messaging::messageReceived(eventName, eventData);
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break;
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}
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case WM_SETTINGCHANGE: {
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// Handle Windows theme changes
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if (lParam == 0) break;
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if (LPCTSTR(lParam) == std::string_view("ImmersiveColorSet")) {
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EventOSThemeChanged::post();
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}
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break;
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}
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case WM_SETCURSOR: {
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if (LOWORD(lParam) != HTCLIENT) {
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return CallWindowProc((WNDPROC)s_oldWndProc, hwnd, uMsg, wParam, lParam);
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} else {
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switch (ImGui::GetMouseCursor()) {
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case ImGuiMouseCursor_Arrow:
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SetCursor(LoadCursor(nullptr, IDC_ARROW));
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break;
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case ImGuiMouseCursor_Hand:
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SetCursor(LoadCursor(nullptr, IDC_HAND));
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break;
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case ImGuiMouseCursor_ResizeEW:
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SetCursor(LoadCursor(nullptr, IDC_SIZEWE));
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break;
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case ImGuiMouseCursor_ResizeNS:
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SetCursor(LoadCursor(nullptr, IDC_SIZENS));
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break;
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case ImGuiMouseCursor_ResizeNWSE:
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SetCursor(LoadCursor(nullptr, IDC_SIZENWSE));
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break;
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case ImGuiMouseCursor_ResizeNESW:
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SetCursor(LoadCursor(nullptr, IDC_SIZENESW));
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break;
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case ImGuiMouseCursor_ResizeAll:
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SetCursor(LoadCursor(nullptr, IDC_SIZEALL));
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break;
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case ImGuiMouseCursor_NotAllowed:
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SetCursor(LoadCursor(nullptr, IDC_NO));
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break;
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case ImGuiMouseCursor_TextInput:
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SetCursor(LoadCursor(nullptr, IDC_IBEAM));
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break;
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}
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return TRUE;
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}
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}
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default:
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break;
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}
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return CallWindowProc((WNDPROC)s_oldWndProc, hwnd, uMsg, wParam, lParam);
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}
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// Custom window procedure for borderless window
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static LRESULT borderlessWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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switch (uMsg) {
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case WM_MOUSELAST:
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break;
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case WM_NCACTIVATE:
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case WM_NCPAINT:
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// Handle Windows Aero Snap
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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case WM_NCCALCSIZE: {
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// Handle window resizing
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RECT &rect = *reinterpret_cast<RECT *>(lParam);
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RECT client = rect;
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CallWindowProc((WNDPROC)s_oldWndProc, hwnd, uMsg, wParam, lParam);
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if (IsMaximized(hwnd)) {
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WINDOWINFO windowInfo = { };
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windowInfo.cbSize = sizeof(WINDOWINFO);
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GetWindowInfo(hwnd, &windowInfo);
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rect = RECT {
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.left = static_cast<LONG>(client.left + windowInfo.cyWindowBorders),
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.top = static_cast<LONG>(client.top + windowInfo.cyWindowBorders),
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.right = static_cast<LONG>(client.right - windowInfo.cyWindowBorders),
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.bottom = static_cast<LONG>(client.bottom - windowInfo.cyWindowBorders) + 1
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};
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} else {
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rect = client;
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}
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return 0;
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}
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case WM_NCHITTEST: {
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// Handle window resizing and moving
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POINT cursor = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
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const POINT border {
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static_cast<LONG>((::GetSystemMetrics(SM_CXFRAME) + ::GetSystemMetrics(SM_CXPADDEDBORDER)) * ImHexApi::System::getGlobalScale()),
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static_cast<LONG>((::GetSystemMetrics(SM_CYFRAME) + ::GetSystemMetrics(SM_CXPADDEDBORDER)) * ImHexApi::System::getGlobalScale())
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};
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if (glfwGetWindowMonitor(ImHexApi::System::getMainWindowHandle()) != nullptr) {
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return HTCLIENT;
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}
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RECT window;
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if (!::GetWindowRect(hwnd, &window)) {
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return HTNOWHERE;
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}
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constexpr static auto RegionClient = 0b0000;
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constexpr static auto RegionLeft = 0b0001;
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constexpr static auto RegionRight = 0b0010;
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constexpr static auto RegionTop = 0b0100;
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constexpr static auto RegionBottom = 0b1000;
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const auto result =
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RegionLeft * (cursor.x < (window.left + border.x)) |
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RegionRight * (cursor.x >= (window.right - border.x)) |
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RegionTop * (cursor.y < (window.top + border.y)) |
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RegionBottom * (cursor.y >= (window.bottom - border.y));
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if (result != 0 && (ImGui::IsAnyItemHovered() || ImGui::IsPopupOpen(nullptr, ImGuiPopupFlags_AnyPopupId))) {
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break;
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}
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std::string_view hoveredWindowName = GImGui->HoveredWindow == nullptr ? "" : GImGui->HoveredWindow->Name;
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if (!ImHexApi::System::impl::isWindowResizable()) {
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if (result != RegionClient) {
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return HTCAPTION;
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}
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}
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switch (result) {
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case RegionLeft:
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return HTLEFT;
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case RegionRight:
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return HTRIGHT;
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case RegionTop:
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return HTTOP;
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case RegionBottom:
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return HTBOTTOM;
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case RegionTop | RegionLeft:
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return HTTOPLEFT;
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case RegionTop | RegionRight:
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return HTTOPRIGHT;
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case RegionBottom | RegionLeft:
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return HTBOTTOMLEFT;
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case RegionBottom | RegionRight:
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return HTBOTTOMRIGHT;
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case RegionClient:
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default:
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if (cursor.y < (window.top + s_titleBarHeight * 2)) {
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if (hoveredWindowName == "##MainMenuBar" || hoveredWindowName == "ImHexDockSpace") {
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if (!ImGui::IsAnyItemHovered()) {
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return HTCAPTION;
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}
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}
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}
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break;
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}
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break;
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}
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default:
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break;
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}
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return commonWindowProc(hwnd, uMsg, wParam, lParam);
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}
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[[maybe_unused]]
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static void reopenConsoleHandle(u32 stdHandleNumber, i32 stdFileDescriptor, FILE *stdStream) {
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// Get the Windows handle for the standard stream
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HANDLE handle = ::GetStdHandle(stdHandleNumber);
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// Redirect the standard stream to the relevant console stream
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if (stdFileDescriptor == STDIN_FILENO)
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freopen("CONIN$", "rt", stdStream);
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else
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freopen("CONOUT$", "wt", stdStream);
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// Disable buffering
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setvbuf(stdStream, nullptr, _IONBF, 0);
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// Reopen the standard stream as a file descriptor
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auto unboundFd = [stdFileDescriptor, handle]{
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if (stdFileDescriptor == STDIN_FILENO)
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return _open_osfhandle(intptr_t(handle), _O_RDONLY);
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else
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return _open_osfhandle(intptr_t(handle), _O_WRONLY);
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}();
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// Duplicate the file descriptor to the standard stream
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dup2(unboundFd, stdFileDescriptor);
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}
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void enumerateFonts() {
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constexpr static auto FontRegistryPath = L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts";
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static const std::array RegistryLocations = {
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HKEY_LOCAL_MACHINE,
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HKEY_CURRENT_USER
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};
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for (const auto location : RegistryLocations) {
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HKEY key;
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if (RegOpenKeyExW(location, FontRegistryPath, 0, KEY_READ, &key) != ERROR_SUCCESS) {
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continue;
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}
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DWORD index = 0;
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std::wstring valueName(0xFFF, L'\0');
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DWORD valueNameSize = valueName.size() * sizeof(wchar_t);
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std::wstring valueData(0xFFF, L'\0');
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DWORD valueDataSize = valueData.size() * sizeof(wchar_t);
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DWORD valueType;
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while (RegEnumValueW(key, index, valueName.data(), &valueNameSize, nullptr, &valueType, reinterpret_cast<BYTE *>(valueData.data()), &valueDataSize) == ERROR_SUCCESS) {
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if (valueType == REG_SZ) {
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auto fontName = hex::utf16ToUtf8(valueName.c_str());
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auto fontPath = std::fs::path(valueData);
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if (fontPath.is_relative())
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fontPath = std::fs::path("C:\\Windows\\Fonts") / fontPath;
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registerFont(fontName.c_str(), wolv::util::toUTF8String(fontPath).c_str());
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}
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valueNameSize = valueName.size();
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valueDataSize = valueData.size();
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index++;
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}
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RegCloseKey(key);
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}
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}
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void Window::initNative() {
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if (ImHexApi::System::isDebugBuild()) {
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// If the application is running in debug mode, ImHex runs under the CONSOLE subsystem,
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// so we don't need to do anything besides enabling ANSI colors
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log::impl::enableColorPrinting();
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} else if (hex::getEnvironmentVariable("__IMHEX_FORWARD_CONSOLE__") == "1") {
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// Check for the __IMHEX_FORWARD_CONSOLE__ environment variable that was set by the forwarder application
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// If it's present, attach to its console window
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::AttachConsole(ATTACH_PARENT_PROCESS);
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// Reopen stdin, stdout and stderr to the console if not in debug mode
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reopenConsoleHandle(STD_INPUT_HANDLE, STDIN_FILENO, stdin);
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reopenConsoleHandle(STD_OUTPUT_HANDLE, STDOUT_FILENO, stdout);
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// Explicitly don't forward stderr because some libraries like to write to it
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// with no way to disable it (e.g., libmagic)
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/*
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reopenConsoleHandle(STD_ERROR_HANDLE, STDERR_FILENO, stderr);
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*/
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// Enable ANSI colors in the console
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log::impl::enableColorPrinting();
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} else {
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log::impl::redirectToFile();
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}
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// Add plugin library folders to dll search path
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for (const auto &path : hex::fs::getDefaultPaths(fs::ImHexPath::Libraries)) {
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if (std::fs::exists(path))
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AddDllDirectory(path.c_str());
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}
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enumerateFonts();
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}
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class DropManager : public IDropTarget {
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public:
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DropManager() = default;
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virtual ~DropManager() = default;
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ULONG AddRef() override { return 1; }
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ULONG Release() override { return 0; }
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HRESULT QueryInterface(REFIID riid, void **ppvObject) override {
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if (riid == IID_IDropTarget) {
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*ppvObject = this;
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return S_OK;
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}
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*ppvObject = nullptr;
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return E_NOINTERFACE;
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}
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HRESULT STDMETHODCALLTYPE DragEnter(
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IDataObject *,
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DWORD,
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POINTL,
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DWORD *pdwEffect) override
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{
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EventFileDragged::post(true);
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*pdwEffect = DROPEFFECT_COPY;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE DragOver(
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DWORD,
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POINTL,
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DWORD *pdwEffect) override
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{
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*pdwEffect = DROPEFFECT_COPY;
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE DragLeave() override
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{
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EventFileDragged::post(false);
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE Drop(
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IDataObject *pDataObj,
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DWORD,
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POINTL,
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DWORD *pdwEffect) override
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{
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FORMATETC fmte = { CF_HDROP, 0, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
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STGMEDIUM stgm;
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if (SUCCEEDED(pDataObj->GetData(&fmte, &stgm))) {
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auto hdrop = HDROP(stgm.hGlobal);
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auto fileCount = DragQueryFile(hdrop, 0xFFFFFFFF, nullptr, 0);
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for (UINT i = 0; i < fileCount; i++) {
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WCHAR szFile[MAX_PATH];
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UINT cch = DragQueryFileW(hdrop, i, szFile, MAX_PATH);
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if (cch > 0 && cch < MAX_PATH) {
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EventFileDropped::post(szFile);
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}
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}
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ReleaseStgMedium(&stgm);
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}
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EventFileDragged::post(false);
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*pdwEffect &= DROPEFFECT_COPY;
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return S_OK;
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}
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};
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void Window::setupNativeWindow() {
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// Setup borderless window
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auto hwnd = glfwGetWin32Window(m_window);
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CoInitialize(nullptr);
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OleInitialize(nullptr);
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static DropManager dm;
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if (RegisterDragDrop(hwnd, &dm) != S_OK) {
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log::warn("Failed to register drop target");
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// Register fallback drop target using glfw
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glfwSetDropCallback(m_window, [](GLFWwindow *, int count, const char **paths) {
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for (int i = 0; i < count; i++) {
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EventFileDropped::post(reinterpret_cast<const char8_t *>(paths[i]));
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}
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});
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}
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bool borderlessWindowMode = ImHexApi::System::isBorderlessWindowModeEnabled();
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// Set up the correct window procedure based on the borderless window mode state
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if (borderlessWindowMode) {
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s_oldWndProc = ::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)borderlessWindowProc);
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MARGINS borderless = { 1, 1, 1, 1 };
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::DwmExtendFrameIntoClientArea(hwnd, &borderless);
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DWORD attribute = DWMNCRP_ENABLED;
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::DwmSetWindowAttribute(hwnd, DWMWA_NCRENDERING_POLICY, &attribute, sizeof(attribute));
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::SetWindowPos(hwnd, nullptr, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_FRAMECHANGED | SWP_NOSIZE | SWP_NOMOVE);
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} else {
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s_oldWndProc = ::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)commonWindowProc);
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}
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// Set up a taskbar progress handler
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{
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if (SUCCEEDED(CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED))) {
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CoCreateInstance(CLSID_TaskbarList, nullptr, CLSCTX_INPROC_SERVER, IID_ITaskbarList4, &s_taskbarList);
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}
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EventSetTaskBarIconState::subscribe([hwnd](u32 state, u32 type, u32 progress){
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using enum ImHexApi::System::TaskProgressState;
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switch (ImHexApi::System::TaskProgressState(state)) {
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case Reset:
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s_taskbarList->SetProgressState(hwnd, TBPF_NOPROGRESS);
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s_taskbarList->SetProgressValue(hwnd, 0, 0);
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break;
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case Flash:
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FlashWindow(hwnd, true);
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break;
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case Progress:
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s_taskbarList->SetProgressState(hwnd, TBPF_INDETERMINATE);
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s_taskbarList->SetProgressValue(hwnd, progress, 100);
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break;
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}
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using enum ImHexApi::System::TaskProgressType;
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switch (ImHexApi::System::TaskProgressType(type)) {
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case Normal:
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s_taskbarList->SetProgressState(hwnd, TBPF_NORMAL);
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break;
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case Warning:
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s_taskbarList->SetProgressState(hwnd, TBPF_PAUSED);
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break;
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case Error:
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s_taskbarList->SetProgressState(hwnd, TBPF_ERROR);
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break;
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}
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});
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}
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struct ACCENTPOLICY {
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u32 accentState;
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u32 accentFlags;
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u32 gradientColor;
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u32 animationId;
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};
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struct WINCOMPATTRDATA {
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int attribute;
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PVOID pData;
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ULONG dataSize;
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};
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EventThemeChanged::subscribe([this]{
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auto hwnd = glfwGetWin32Window(m_window);
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static auto user32Dll = WinUniquePtr<HMODULE>(LoadLibraryA("user32.dll"), FreeLibrary);
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if (user32Dll != nullptr) {
|
|
using SetWindowCompositionAttributeFunc = BOOL(WINAPI*)(HWND, WINCOMPATTRDATA*);
|
|
|
|
const auto SetWindowCompositionAttribute =
|
|
(SetWindowCompositionAttributeFunc)
|
|
(void*)
|
|
GetProcAddress(user32Dll.get(), "SetWindowCompositionAttribute");
|
|
|
|
if (SetWindowCompositionAttribute != nullptr) {
|
|
ACCENTPOLICY policy = { ImGuiExt::GetCustomStyle().WindowBlur > 0.5F ? 4U : 0U, 0, ImGuiExt::GetCustomColorU32(ImGuiCustomCol_BlurBackground), 0 };
|
|
WINCOMPATTRDATA data = { 19, &policy, sizeof(ACCENTPOLICY) };
|
|
SetWindowCompositionAttribute(hwnd, &data);
|
|
}
|
|
}
|
|
});
|
|
RequestChangeTheme::subscribe([this](const std::string &theme) {
|
|
const int immersiveDarkMode = 20;
|
|
auto hwnd = glfwGetWin32Window(m_window);
|
|
BOOL value = theme == "Dark" ? TRUE : FALSE;
|
|
|
|
// Using the C++ "bool" type seems to not work correctly.
|
|
DwmSetWindowAttribute(hwnd, immersiveDarkMode, &value, sizeof(value));
|
|
});
|
|
|
|
ImGui::GetIO().ConfigDebugIsDebuggerPresent = ::IsDebuggerPresent();
|
|
}
|
|
|
|
void Window::beginNativeWindowFrame() {
|
|
s_titleBarHeight = ImGui::GetCurrentWindowRead()->MenuBarHeight();
|
|
|
|
// Remove WS_POPUP style from the window to make various window management tools work
|
|
auto hwnd = glfwGetWin32Window(m_window);
|
|
::SetWindowLong(hwnd, GWL_STYLE, (GetWindowLong(hwnd, GWL_STYLE) | WS_OVERLAPPEDWINDOW) & ~WS_POPUP);
|
|
|
|
if (!ImHexApi::System::impl::isWindowResizable()) {
|
|
if (glfwGetWindowAttrib(m_window, GLFW_MAXIMIZED)) {
|
|
glfwRestoreWindow(m_window);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void Window::endNativeWindowFrame() {
|
|
if (!ImHexApi::System::isBorderlessWindowModeEnabled())
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
#endif |