476 lines
18 KiB
C++
476 lines
18 KiB
C++
#include "window.hpp"
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#include <hex/api/content_registry.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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#include <fonts/codicons_font.h>
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#include <GLFW/glfw3.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 <csignal>
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#include <cstdio>
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#include <imgui_impl_glfw.h>
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namespace hex {
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static LONG_PTR g_oldWndProc;
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static float g_titleBarHeight;
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static ImGuiMouseCursor g_mouseCursorIcon;
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static Microsoft::WRL::ComPtr<ITaskbarList4> g_taskbarList;
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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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auto data = reinterpret_cast<const char8_t *>(message->lpData);
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if (data == nullptr) break;
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std::fs::path path = data;
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log::info("Opening file in existing instance: {}", wolv::util::toUTF8String(path));
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EventManager::post<RequestOpenFile>(path);
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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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EventManager::post<EventOSThemeChanged>();
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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 CallWindowProc((WNDPROC)g_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_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)g_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_SETCURSOR: {
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// Handle mouse cursor icon
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auto cursorPos = LOWORD(lParam);
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switch (cursorPos) {
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case HTRIGHT:
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case HTLEFT:
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g_mouseCursorIcon = ImGuiMouseCursor_ResizeEW;
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break;
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case HTTOP:
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case HTBOTTOM:
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g_mouseCursorIcon = ImGuiMouseCursor_ResizeNS;
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break;
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case HTTOPLEFT:
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case HTBOTTOMRIGHT:
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g_mouseCursorIcon = ImGuiMouseCursor_ResizeNWSE;
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break;
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case HTTOPRIGHT:
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case HTBOTTOMLEFT:
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g_mouseCursorIcon = ImGuiMouseCursor_ResizeNESW;
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break;
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case HTCAPTION:
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case HTCLIENT:
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g_mouseCursorIcon = ImGuiMouseCursor_None;
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break;
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default:
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break;
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}
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return TRUE;
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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() / 1.5F),
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static_cast<LONG>((::GetSystemMetrics(SM_CYFRAME) + ::GetSystemMetrics(SM_CXPADDEDBORDER)) * ImHexApi::System::getGlobalScale() / 1.5F)
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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::IsItemHovered() || ImGui::IsPopupOpen(nullptr, ImGuiPopupFlags_AnyPopupId)))
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break;
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if (GImGui->HoveredWindow != nullptr &&
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GImGui->HoveredWindow->Name != std::string("##MainMenuBar") &&
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GImGui->HoveredWindow->Name != std::string("ImHexDockSpace"))
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break;
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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 + g_titleBarHeight * 2)) && !(ImGui::IsAnyItemHovered() || ImGui::IsPopupOpen(nullptr, ImGuiPopupFlags_AnyPopupId)))
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return HTCAPTION;
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else 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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void Window::initNative() {
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ImHexApi::System::impl::setBorderlessWindowMode(true);
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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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// Various libraries sadly directly print to stderr with no way to disable it
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// We redirect stderr to NUL to prevent this
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freopen("NUL:", "w", stderr);
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setvbuf(stderr, nullptr, _IONBF, 0);
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// Attach to parent console if one exists
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bool result = AttachConsole(ATTACH_PARENT_PROCESS) == TRUE;
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#if defined(DEBUG)
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if (::GetLastError() == ERROR_INVALID_HANDLE) {
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result = AllocConsole();
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}
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#endif
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if (result) {
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// Redirect stdin and stdout to that new console
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freopen("CONIN$", "r", stdin);
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freopen("CONOUT$", "w", stdout);
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setvbuf(stdin, nullptr, _IONBF, 0);
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setvbuf(stdout, nullptr, _IONBF, 0);
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fmt::print("\n");
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// Enable color format specifiers in console
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{
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auto hConsole = ::GetStdHandle(STD_OUTPUT_HANDLE);
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if (hConsole != INVALID_HANDLE_VALUE) {
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DWORD mode = 0;
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if (::GetConsoleMode(hConsole, &mode) == TRUE) {
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mode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING | ENABLE_PROCESSED_OUTPUT;
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::SetConsoleMode(hConsole, mode);
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}
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}
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}
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} else if (::GetLastError() == ERROR_INVALID_HANDLE) {
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// The parent process is not a console process
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} else {
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log::redirectToFile();
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}
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// Open new files in already existing ImHex instance
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constexpr static auto UniqueMutexId = "ImHex/a477ea68-e334-4d07-a439-4f159c683763";
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HANDLE globalMutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, UniqueMutexId);
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if (globalMutex == nullptr) {
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// If no ImHex instance is running, create a new global mutex
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globalMutex = CreateMutex(nullptr, FALSE, UniqueMutexId);
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} else {
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// If an ImHex instance is already running, send the file path to it and exit
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if (ImHexApi::System::getProgramArguments().argc > 1) {
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// Find the ImHex Window and send the file path as a message to it
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::EnumWindows([](HWND hWnd, LPARAM) -> BOOL {
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auto &programArgs = ImHexApi::System::getProgramArguments();
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// Get the window name
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auto length = ::GetWindowTextLength(hWnd);
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std::string windowName(length + 1, '\x00');
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::GetWindowText(hWnd, windowName.data(), windowName.size());
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// Check if the window is visible and if it's an ImHex window
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if (::IsWindowVisible(hWnd) == TRUE && length != 0) {
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if (windowName.starts_with("ImHex")) {
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// Create the message
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COPYDATASTRUCT message = {
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.dwData = 0,
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.cbData = static_cast<DWORD>(std::strlen(programArgs.argv[1])) + 1,
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.lpData = programArgs.argv[1]
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};
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// Send the message
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SendMessage(hWnd, WM_COPYDATA, reinterpret_cast<WPARAM>(hWnd), reinterpret_cast<LPARAM>(&message));
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return FALSE;
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}
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}
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return TRUE;
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}, 0);
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std::exit(0);
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}
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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(this->m_window);
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bool borderlessWindowMode = ImHexApi::System::isBorderlessWindowModeEnabled();
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ImGui_ImplGlfw_SetBorderlessWindowMode(borderlessWindowMode);
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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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g_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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::SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) | WS_OVERLAPPEDWINDOW);
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} else {
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g_oldWndProc = ::SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)commonWindowProc);
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}
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// Add a custom exception handler to detect heap corruptions
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{
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::AddVectoredExceptionHandler(TRUE, [](PEXCEPTION_POINTERS exception) -> LONG {
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if ((exception->ExceptionRecord->ExceptionCode & 0xF000'0000) == 0xC000'0000) {
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log::fatal("Exception raised: 0x{:08X}", exception->ExceptionRecord->ExceptionCode);
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if (exception->ExceptionRecord->ExceptionCode == STATUS_HEAP_CORRUPTION) {
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log::fatal("Heap corruption detected!");
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std::raise(SIGABRT);
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}
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}
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return EXCEPTION_CONTINUE_SEARCH;
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});
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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, &g_taskbarList);
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}
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EventManager::subscribe<EventSetTaskBarIconState>([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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g_taskbarList->SetProgressState(hwnd, TBPF_NOPROGRESS);
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g_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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g_taskbarList->SetProgressState(hwnd, TBPF_INDETERMINATE);
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g_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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g_taskbarList->SetProgressState(hwnd, TBPF_NORMAL);
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break;
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case Warning:
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g_taskbarList->SetProgressState(hwnd, TBPF_PAUSED);
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break;
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case Error:
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g_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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}
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void Window::beginNativeWindowFrame() {
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g_titleBarHeight = ImGui::GetCurrentWindow()->MenuBarHeight();
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}
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void Window::endNativeWindowFrame() {
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if (!ImHexApi::System::isBorderlessWindowModeEnabled())
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return;
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if (g_mouseCursorIcon != ImGuiMouseCursor_None) {
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ImGui::SetMouseCursor(g_mouseCursorIcon);
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}
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// Translate ImGui mouse cursors to Win32 mouse cursors
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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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default:
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case ImGuiMouseCursor_None:
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SetCursor(LoadCursor(nullptr, IDC_ARROW));
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break;
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}
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}
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void Window::drawTitleBar() {
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// In borderless window mode, we draw our own title bar
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if (!ImHexApi::System::isBorderlessWindowModeEnabled()) return;
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auto startX = ImGui::GetCursorPosX();
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auto buttonSize = ImVec2(g_titleBarHeight * 1.5F, g_titleBarHeight - 1);
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ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
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ImGui::PushStyleColor(ImGuiCol_Button, ImGui::GetColorU32(ImGuiCol_MenuBarBg));
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabActive));
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabHovered));
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auto &titleBarButtons = ContentRegistry::Interface::impl::getTitleBarButtons();
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// Draw custom title bar buttons
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ImGui::SetCursorPosX(ImGui::GetWindowWidth() - buttonSize.x * (4 + titleBarButtons.size()));
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for (const auto &[icon, tooltip, callback] : titleBarButtons) {
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if (ImGui::TitleBarButton(icon.c_str(), buttonSize)) {
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callback();
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}
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ImGui::InfoTooltip(LangEntry(tooltip));
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}
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// Draw minimize, restore and maximize buttons
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ImGui::SetCursorPosX(ImGui::GetWindowWidth() - buttonSize.x * 3);
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if (ImGui::TitleBarButton(ICON_VS_CHROME_MINIMIZE, buttonSize))
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glfwIconifyWindow(this->m_window);
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if (glfwGetWindowAttrib(this->m_window, GLFW_MAXIMIZED)) {
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if (ImGui::TitleBarButton(ICON_VS_CHROME_RESTORE, buttonSize))
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glfwRestoreWindow(this->m_window);
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} else {
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if (ImGui::TitleBarButton(ICON_VS_CHROME_MAXIMIZE, buttonSize))
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glfwMaximizeWindow(this->m_window);
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}
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ImGui::PushStyleColor(ImGuiCol_ButtonActive, 0xFF7A70F1);
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ImGui::PushStyleColor(ImGuiCol_ButtonHovered, 0xFF2311E8);
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// Draw close button
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if (ImGui::TitleBarButton(ICON_VS_CHROME_CLOSE, buttonSize)) {
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ImHexApi::System::closeImHex();
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}
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ImGui::PopStyleColor(5);
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ImGui::PopStyleVar();
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ImGui::SetCursorPosX(std::max(startX, (ImGui::GetWindowWidth() - ImGui::CalcTextSize(this->m_windowTitle.c_str()).x) / 2));
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ImGui::TextUnformatted(this->m_windowTitle.c_str());
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}
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}
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#endif |