131 lines
4.0 KiB
C++
131 lines
4.0 KiB
C++
// This file is a part of flutter_native_view
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// (https://github.com/alexmercerind/flutter_native_view).
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//
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// Copyright (c) 2022, Hitesh Kumar Saini <saini123hitesh@gmail.com>.
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// All rights reserved.
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// Use of this source code is governed by MIT license that can be found in the
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// LICENSE file.
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#include "utils.h"
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#include <iostream>
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#pragma comment(lib, "dwmapi.lib")
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#pragma comment(lib, "comctl32.lib")
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namespace flutternativeview {
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typedef enum _WINDOWCOMPOSITIONATTRIB {
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WCA_UNDEFINED = 0,
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WCA_NCRENDERING_ENABLED = 1,
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WCA_NCRENDERING_POLICY = 2,
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WCA_TRANSITIONS_FORCEDISABLED = 3,
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WCA_ALLOW_NCPAINT = 4,
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WCA_CAPTION_BUTTON_BOUNDS = 5,
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WCA_NONCLIENT_RTL_LAYOUT = 6,
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WCA_FORCE_ICONIC_REPRESENTATION = 7,
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WCA_EXTENDED_FRAME_BOUNDS = 8,
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WCA_HAS_ICONIC_BITMAP = 9,
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WCA_THEME_ATTRIBUTES = 10,
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WCA_NCRENDERING_EXILED = 11,
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WCA_NCADORNMENTINFO = 12,
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WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
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WCA_VIDEO_OVERLAY_ACTIVE = 14,
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WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
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WCA_DISALLOW_PEEK = 16,
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WCA_CLOAK = 17,
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WCA_CLOAKED = 18,
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WCA_ACCENT_POLICY = 19,
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WCA_FREEZE_REPRESENTATION = 20,
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WCA_EVER_UNCLOAKED = 21,
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WCA_VISUAL_OWNER = 22,
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WCA_HOLOGRAPHIC = 23,
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WCA_EXCLUDED_FROM_DDA = 24,
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WCA_PASSIVEUPDATEMODE = 25,
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WCA_USEDARKMODECOLORS = 26,
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WCA_LAST = 27
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} WINDOWCOMPOSITIONATTRIB;
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typedef struct _WINDOWCOMPOSITIONATTRIBDATA {
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WINDOWCOMPOSITIONATTRIB Attrib;
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PVOID pvData;
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SIZE_T cbData;
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} WINDOWCOMPOSITIONATTRIBDATA;
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typedef enum _ACCENT_STATE {
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ACCENT_DISABLED = 0,
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ACCENT_ENABLE_GRADIENT = 1,
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ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
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ACCENT_ENABLE_BLURBEHIND = 3,
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ACCENT_ENABLE_ACRYLICBLURBEHIND = 4,
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ACCENT_ENABLE_HOSTBACKDROP = 5,
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ACCENT_INVALID_STATE = 6
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} ACCENT_STATE;
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typedef struct _ACCENT_POLICY {
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ACCENT_STATE AccentState;
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DWORD AccentFlags;
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DWORD GradientColor;
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DWORD AnimationId;
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} ACCENT_POLICY;
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typedef BOOL(WINAPI* _GetWindowCompositionAttribute)(
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HWND, WINDOWCOMPOSITIONATTRIBDATA*);
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typedef BOOL(WINAPI* _SetWindowCompositionAttribute)(
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HWND, WINDOWCOMPOSITIONATTRIBDATA*);
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static _SetWindowCompositionAttribute g_set_window_composition_attribute = NULL;
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static bool g_set_window_composition_attribute_initialized = false;
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typedef LONG NTSTATUS, *PNTSTATUS;
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#define STATUS_SUCCESS (0x00000000)
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typedef NTSTATUS(WINAPI* RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
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RTL_OSVERSIONINFOW GetWindowsVersion() {
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HMODULE hmodule = ::GetModuleHandleW(L"ntdll.dll");
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if (hmodule) {
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RtlGetVersionPtr rtl_get_version_ptr =
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(RtlGetVersionPtr)::GetProcAddress(hmodule, "RtlGetVersion");
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if (rtl_get_version_ptr != nullptr) {
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RTL_OSVERSIONINFOW rovi = {0};
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rovi.dwOSVersionInfoSize = sizeof(rovi);
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if (STATUS_SUCCESS == rtl_get_version_ptr(&rovi)) {
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return rovi;
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}
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}
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}
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RTL_OSVERSIONINFOW rovi = {0};
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return rovi;
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}
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void SetWindowComposition(HWND window, int32_t accent_state,
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int32_t gradient_color) {
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// TODO: Look for a better available API.
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if (GetWindowsVersion().dwBuildNumber >= 18362) {
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std::cout << "got win ver" << std::endl;
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if (!g_set_window_composition_attribute_initialized) {
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std::cout << "not init" << std::endl;
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auto user32 = ::GetModuleHandleA("user32.dll");
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if (user32) {
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std::cout << "user32" << std::endl;
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g_set_window_composition_attribute =
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reinterpret_cast<_SetWindowCompositionAttribute>(
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::GetProcAddress(user32, "SetWindowCompositionAttribute"));
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if (g_set_window_composition_attribute) {
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std::cout << "set" << std::endl;
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g_set_window_composition_attribute_initialized = true;
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}
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}
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}
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ACCENT_POLICY accent = {static_cast<ACCENT_STATE>(accent_state), 2,
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static_cast<DWORD>(gradient_color), 0};
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WINDOWCOMPOSITIONATTRIBDATA data;
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data.Attrib = WCA_ACCENT_POLICY;
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data.pvData = &accent;
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data.cbData = sizeof(accent);
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g_set_window_composition_attribute(window, &data);
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}
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}
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} // namespace flutternativeview
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