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ImHex/main/gui/source/window/window.cpp

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#include "window.hpp"
#include <hex.hpp>
#include <hex/api/plugin_manager.hpp>
#include <hex/api/content_registry.hpp>
#include <hex/api/imhex_api.hpp>
#include <hex/api/layout_manager.hpp>
#include <hex/api/shortcut_manager.hpp>
#include <hex/api/workspace_manager.hpp>
#include <hex/api/tutorial_manager.hpp>
#include <hex/helpers/utils.hpp>
#include <hex/helpers/fs.hpp>
#include <hex/helpers/logger.hpp>
#include <hex/ui/view.hpp>
#include <hex/ui/popup.hpp>
#include <chrono>
#include <csignal>
#include <romfs/romfs.hpp>
#include <imgui.h>
#include <imgui_internal.h>
#include <imgui_impl_glfw.h>
#include <imgui_impl_opengl3.h>
#include <hex/ui/imgui_imhex_extensions.h>
#include <implot.h>
#include <implot_internal.h>
#include <imnodes.h>
#include <imnodes_internal.h>
#include <wolv/utils/string.hpp>
#include <GLFW/glfw3.h>
#include <hex/ui/toast.hpp>
#include <wolv/utils/guards.hpp>
#include <fmt/printf.h>
namespace hex {
using namespace std::literals::chrono_literals;
Window::Window() {
constexpr static auto openEmergencyPopup = [](const std::string &title){
TaskManager::doLater([title] {
for (const auto &provider : ImHexApi::Provider::getProviders())
ImHexApi::Provider::remove(provider, false);
ImGui::OpenPopup(title.c_str());
});
};
// Handle fatal error popups for errors detected during initialization
{
for (const auto &[argument, value] : ImHexApi::System::getInitArguments()) {
if (argument == "no-plugins") {
openEmergencyPopup("No Plugins");
} else if (argument == "duplicate-plugins") {
openEmergencyPopup("Duplicate Plugins loaded");
}
}
}
// Initialize the window
this->initGLFW();
this->initImGui();
this->setupNativeWindow();
this->registerEventHandlers();
ContentRegistry::Settings::impl::store();
ContentRegistry::Settings::impl::load();
EventWindowInitialized::post();
EventImHexStartupFinished::post();
}
Window::~Window() {
EventProviderDeleted::unsubscribe(this);
RequestCloseImHex::unsubscribe(this);
RequestUpdateWindowTitle::unsubscribe(this);
EventAbnormalTermination::unsubscribe(this);
RequestOpenPopup::unsubscribe(this);
EventWindowDeinitializing::post(m_window);
this->exitImGui();
this->exitGLFW();
}
void Window::registerEventHandlers() {
// Initialize default theme
RequestChangeTheme::post("Dark");
// Handle the close window request by telling GLFW to shut down
RequestCloseImHex::subscribe(this, [this](bool noQuestions) {
glfwSetWindowShouldClose(m_window, GLFW_TRUE);
if (!noQuestions)
EventWindowClosing::post(m_window);
});
// Handle opening popups
RequestOpenPopup::subscribe(this, [this](auto name) {
std::scoped_lock lock(m_popupMutex);
m_popupsToOpen.push_back(name);
});
LayoutManager::registerLoadCallback([this](std::string_view line) {
int width = 0, height = 0;
sscanf(line.data(), "MainWindowSize=%d,%d", &width, &height);
if (width > 0 && height > 0) {
TaskManager::doLater([width, height, this]{
glfwSetWindowSize(m_window, width, height);
});
}
});
}
void handleException() {
try {
throw;
} catch (const std::exception &e) {
log::fatal("Unhandled exception: {}", e.what());
EventCrashRecovered::post(e);
} catch (...) {
log::fatal("Unhandled exception: Unknown exception");
}
}
void errorRecoverLogCallback(void*, const char* fmt, ...) {
va_list args;
std::string message;
va_start(args, fmt);
message.resize(std::vsnprintf(nullptr, 0, fmt, args));
va_end(args);
va_start(args, fmt);
std::vsnprintf(message.data(), message.size(), fmt, args);
va_end(args);
message.resize(message.size() - 1);
log::error("{}", message);
}
void Window::fullFrame() {
try {
this->frameBegin();
this->frame();
this->frameEnd();
} catch (...) {
ImGui::ErrorCheckEndFrameRecover(errorRecoverLogCallback, nullptr);
ImGui::EndFrame();
ImGui::UpdatePlatformWindows();
handleException();
}
}
void Window::loop() {
while (!glfwWindowShouldClose(m_window)) {
m_lastStartFrameTime = glfwGetTime();
// Determine if the application should be in long sleep mode
bool shouldLongSleep = !m_unlockFrameRate;
// Wait 5 frames before actually enabling the long sleep mode to make animations not stutter
static i32 lockTimeout = 0;
if (!shouldLongSleep) {
lockTimeout = m_lastFrameTime * 10'000;
} else if (lockTimeout > 0) {
lockTimeout -= 1;
}
if (shouldLongSleep && lockTimeout > 0)
shouldLongSleep = false;
m_unlockFrameRate = false;
if (!glfwGetWindowAttrib(m_window, GLFW_VISIBLE) || glfwGetWindowAttrib(m_window, GLFW_ICONIFIED)) {
// If the application is minimized or not visible, don't render anything
glfwWaitEvents();
} else {
// If the application is visible, render a frame
// If the application is in long sleep mode, only render a frame every 200ms
// Long sleep mode is enabled automatically after a few frames if the window content hasn't changed
// and no events have been received
if (shouldLongSleep) {
// Calculate the time until the next frame
constexpr static auto LongSleepFPS = 5.0;
const double timeout = std::max(0.0, (1.0 / LongSleepFPS) - (glfwGetTime() - m_lastStartFrameTime));
glfwWaitEventsTimeout(timeout);
} else {
glfwPollEvents();
}
}
m_lastStartFrameTime = glfwGetTime();
static ImVec2 lastWindowSize = ImHexApi::System::getMainWindowSize();
if (ImHexApi::System::impl::isWindowResizable()) {
glfwSetWindowSizeLimits(m_window, 480_scaled, 360_scaled, GLFW_DONT_CARE, GLFW_DONT_CARE);
lastWindowSize = ImHexApi::System::getMainWindowSize();
} else {
glfwSetWindowSizeLimits(m_window, lastWindowSize.x, lastWindowSize.y, lastWindowSize.x, lastWindowSize.y);
}
this->fullFrame();
ImHexApi::System::impl::setLastFrameTime(glfwGetTime() - m_lastStartFrameTime);
// Limit frame rate
// If the target FPS are below 15, use the monitor refresh rate, if it's above 200, don't limit the frame rate
const auto targetFPS = ImHexApi::System::getTargetFPS();
if (targetFPS < 15) {
glfwSwapInterval(1);
} else if (targetFPS > 200) {
glfwSwapInterval(0);
} else {
if (!shouldLongSleep) {
glfwSwapInterval(0);
const auto frameTime = glfwGetTime() - m_lastStartFrameTime;
const auto targetFrameTime = 1.0 / targetFPS;
if (frameTime < targetFrameTime) {
glfwWaitEventsTimeout(targetFrameTime - frameTime);
}
}
}
m_lastFrameTime = glfwGetTime() - m_lastStartFrameTime;
}
// Hide the window as soon as the render loop exits to make the window
// disappear as soon as it's closed
glfwHideWindow(m_window);
}
void Window::frameBegin() {
// Start new ImGui Frame
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
EventFrameBegin::post();
// Handle all undocked floating windows
ImGuiViewport *viewport = ImGui::GetMainViewport();
ImGui::SetNextWindowPos(viewport->WorkPos);
ImGui::SetNextWindowSize(ImHexApi::System::getMainWindowSize() - ImVec2(0, ImGui::GetTextLineHeightWithSpacing()));
ImGui::SetNextWindowViewport(viewport->ID);
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0F);
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0F);
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
ImGuiWindowFlags windowFlags = ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoNavFocus | ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse;
// Render main dock space
if (ImGui::Begin("ImHexDockSpace", nullptr, windowFlags)) {
ImGui::PopStyleVar();
this->beginNativeWindowFrame();
} else {
ImGui::PopStyleVar();
}
ImGui::End();
ImGui::PopStyleVar(2);
// Plugin load error popups. These are not translated because they should always be readable, no matter if any localization could be loaded or not
{
auto drawPluginFolderTable = [] {
ImGuiExt::UnderlinedText("Plugin folders");
if (ImGui::BeginTable("plugins", 2, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_ScrollY | ImGuiTableFlags_SizingFixedFit, ImVec2(0, 100_scaled))) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("Path", ImGuiTableColumnFlags_WidthStretch, 0.2);
ImGui::TableSetupColumn("Exists", ImGuiTableColumnFlags_WidthFixed, ImGui::GetTextLineHeight() * 3);
ImGui::TableHeadersRow();
for (const auto &path : fs::getDefaultPaths(fs::ImHexPath::Plugins, true)) {
const auto filePath = path / "builtin.hexplug";
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TextUnformatted(wolv::util::toUTF8String(filePath).c_str());
ImGui::TableNextColumn();
ImGui::TextUnformatted(wolv::io::fs::exists(filePath) ? "Yes" : "No");
}
ImGui::EndTable();
}
};
// No plugins error popup
ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5F, 0.5F));
if (ImGui::BeginPopupModal("No Plugins", nullptr, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove)) {
ImGui::TextUnformatted("No ImHex plugins loaded (including the built-in plugin)!");
ImGui::TextUnformatted("Make sure you installed ImHex correctly.");
ImGui::TextUnformatted("There should be at least a 'builtin.hexplug' file in your plugins folder.");
ImGui::NewLine();
drawPluginFolderTable();
ImGui::NewLine();
if (ImGui::Button("Close ImHex", ImVec2(ImGui::GetContentRegionAvail().x, 0)))
ImHexApi::System::closeImHex(true);
ImGui::EndPopup();
}
// Duplicate plugins error popup
ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5F, 0.5F));
if (ImGui::BeginPopupModal("Duplicate Plugins loaded", nullptr, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove)) {
ImGui::TextUnformatted("ImHex found and attempted to load multiple plugins with the same name!");
ImGui::TextUnformatted("Make sure you installed ImHex correctly and, if needed,");
ImGui::TextUnformatted("cleaned up older installations correctly.");
ImGui::TextUnformatted("Each plugin should only ever be loaded once.");
ImGui::NewLine();
drawPluginFolderTable();
ImGui::NewLine();
if (ImGui::Button("Close ImHex", ImVec2(ImGui::GetContentRegionAvail().x, 0)))
ImHexApi::System::closeImHex(true);
ImGui::EndPopup();
}
}
// Open popups when plugins requested it
{
std::scoped_lock lock(m_popupMutex);
m_popupsToOpen.remove_if([](const auto &name) {
if (ImGui::IsPopupOpen(name.c_str()))
return true;
else
ImGui::OpenPopup(name.c_str());
return false;
});
}
// Draw popup stack
{
static bool positionSet = false;
static bool sizeSet = false;
static double popupDelay = -2.0;
static u32 displayFrameCount = 0;
static std::unique_ptr<impl::PopupBase> currPopup;
static Lang name("");
AT_FIRST_TIME {
EventImHexClosing::subscribe([] {
currPopup.reset();
});
};
if (auto &popups = impl::PopupBase::getOpenPopups(); !popups.empty()) {
if (!ImGui::IsPopupOpen(ImGuiID(0), ImGuiPopupFlags_AnyPopupId)) {
if (popupDelay <= -1.0) {
popupDelay = 0.2;
} else {
popupDelay -= m_lastFrameTime;
if (popupDelay < 0 || popups.size() == 1) {
popupDelay = -2.0;
currPopup = std::move(popups.back());
name = Lang(currPopup->getUnlocalizedName());
displayFrameCount = 0;
ImGui::OpenPopup(name);
popups.pop_back();
}
}
}
}
if (currPopup != nullptr) {
bool open = true;
const auto &minSize = currPopup->getMinSize();
const auto &maxSize = currPopup->getMaxSize();
const bool hasConstraints = minSize.x != 0 && minSize.y != 0 && maxSize.x != 0 && maxSize.y != 0;
if (hasConstraints)
ImGui::SetNextWindowSizeConstraints(minSize, maxSize);
else
ImGui::SetNextWindowSize(ImVec2(0, 0), ImGuiCond_Appearing);
auto* closeButton = currPopup->hasCloseButton() ? &open : nullptr;
const auto flags = currPopup->getFlags() | (!hasConstraints ? (ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize) : ImGuiWindowFlags_None);
if (!positionSet) {
ImGui::SetNextWindowPos(ImHexApi::System::getMainWindowPosition() + (ImHexApi::System::getMainWindowSize() / 2.0F), ImGuiCond_Always, ImVec2(0.5F, 0.5F));
if (sizeSet)
positionSet = true;
}
const auto createPopup = [&](bool displaying) {
if (displaying) {
displayFrameCount += 1;
currPopup->drawContent();
if (ImGui::GetWindowSize().x > ImGui::GetStyle().FramePadding.x * 10)
sizeSet = true;
// Reset popup position if it's outside the main window when multi-viewport is not enabled
// If not done, the popup will be stuck outside the main window and cannot be accessed anymore
if ((ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable) == ImGuiConfigFlags_None) {
const auto currWindowPos = ImGui::GetWindowPos();
const auto minWindowPos = ImHexApi::System::getMainWindowPosition() - ImGui::GetWindowSize();
const auto maxWindowPos = ImHexApi::System::getMainWindowPosition() + ImHexApi::System::getMainWindowSize();
if (currWindowPos.x > maxWindowPos.x || currWindowPos.y > maxWindowPos.y || currWindowPos.x < minWindowPos.x || currWindowPos.y < minWindowPos.y) {
positionSet = false;
GImGui->MovingWindow = nullptr;
}
}
ImGui::EndPopup();
}
};
if (currPopup->isModal())
createPopup(ImGui::BeginPopupModal(name, closeButton, flags));
else
createPopup(ImGui::BeginPopup(name, flags));
if (!ImGui::IsPopupOpen(name) && displayFrameCount < 100) {
ImGui::OpenPopup(name);
}
if (currPopup->shouldClose()) {
log::debug("Closing popup '{}'", name);
positionSet = sizeSet = false;
currPopup = nullptr;
}
}
}
// Draw Toasts
{
u32 index = 0;
for (const auto &toast : impl::ToastBase::getQueuedToasts() | std::views::take(4)) {
const auto toastHeight = 60_scaled;
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5_scaled);
ImGui::SetNextWindowSize(ImVec2(280_scaled, toastHeight));
ImGui::SetNextWindowPos((ImHexApi::System::getMainWindowPosition() + ImHexApi::System::getMainWindowSize()) - scaled({ 10, 10 }) - scaled({ 0, (10 + toastHeight) * index }), ImGuiCond_Always, ImVec2(1, 1));
if (ImGui::Begin(hex::format("##Toast_{}", index).c_str(), nullptr, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse | ImGuiWindowFlags_NoDocking | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoFocusOnAppearing)) {
auto drawList = ImGui::GetWindowDrawList();
const auto min = ImGui::GetWindowPos();
const auto max = min + ImGui::GetWindowSize();
drawList->PushClipRect(min, min + scaled({ 5, 60 }));
drawList->AddRectFilled(min, max, toast->getColor(), 5_scaled);
drawList->PopClipRect();
ImGui::Indent();
toast->draw();
ImGui::Unindent();
if (ImGui::IsWindowHovered() || toast->getAppearTime() <= 0)
toast->setAppearTime(ImGui::GetTime());
}
ImGui::End();
ImGui::PopStyleVar();
index += 1;
}
std::erase_if(impl::ToastBase::getQueuedToasts(), [](const auto &toast){
return toast->getAppearTime() > 0 && (toast->getAppearTime() + impl::ToastBase::VisibilityTime) < ImGui::GetTime();
});
}
// Run all deferred calls
TaskManager::runDeferredCalls();
}
void Window::frame() {
auto &io = ImGui::GetIO();
// Loop through all views and draw them
for (auto &[name, view] : ContentRegistry::Views::impl::getEntries()) {
ImGui::GetCurrentContext()->NextWindowData.ClearFlags();
// Draw always visible views
view->drawAlwaysVisibleContent();
// Skip views that shouldn't be processed currently
if (!view->shouldProcess())
continue;
const auto openViewCount = std::ranges::count_if(ContentRegistry::Views::impl::getEntries(), [](const auto &entry) {
const auto &[unlocalizedName, openView] = entry;
return openView->hasViewMenuItemEntry() && openView->shouldProcess();
});
ImGuiWindowClass windowClass = {};
windowClass.DockNodeFlagsOverrideSet |= ImGuiDockNodeFlags_NoCloseButton;
if (openViewCount <= 1 || LayoutManager::isLayoutLocked())
windowClass.DockNodeFlagsOverrideSet |= ImGuiDockNodeFlags_NoTabBar;
ImGui::SetNextWindowClass(&windowClass);
// Draw view
view->draw();
view->trackViewOpenState();
if (view->getWindowOpenState()) {
auto window = ImGui::FindWindowByName(view->getName().c_str());
bool hasWindow = window != nullptr;
bool focused = false;
// Get the currently focused view
if (hasWindow && (window->Flags & ImGuiWindowFlags_Popup) != ImGuiWindowFlags_Popup) {
auto windowName = View::toWindowName(name);
ImGui::Begin(windowName.c_str());
// Detect if the window is focused
focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_NoPopupHierarchy);
// Dock the window if it's not already docked
if (view->didWindowJustOpen() && !ImGui::IsWindowDocked()) {
ImGui::DockBuilderDockWindow(windowName.c_str(), ImHexApi::System::getMainDockSpaceId());
EventViewOpened::post(view.get());
}
ImGui::End();
}
// Pass on currently pressed keys to the shortcut handler
for (const auto &key : m_pressedKeys) {
ShortcutManager::process(view.get(), io.KeyCtrl, io.KeyAlt, io.KeyShift, io.KeySuper, focused, key);
}
}
}
// Handle global shortcuts
for (const auto &key : m_pressedKeys) {
ShortcutManager::processGlobals(io.KeyCtrl, io.KeyAlt, io.KeyShift, io.KeySuper, key);
}
m_pressedKeys.clear();
}
void Window::frameEnd() {
EventFrameEnd::post();
TutorialManager::drawTutorial();
// Clean up all tasks that are done
TaskManager::collectGarbage();
this->endNativeWindowFrame();
ImGui::ErrorCheckEndFrameRecover(errorRecoverLogCallback, nullptr);
// Finalize ImGui frame
ImGui::Render();
// Compare the previous frame buffer to the current one to determine if the window content has changed
// If not, there's no point in sending the draw data off to the GPU and swapping buffers
// NOTE: For anybody looking at this code and thinking "why not just hash the buffer and compare the hashes",
// the reason is that hashing the buffer is significantly slower than just comparing the buffers directly.
// The buffer might become quite large if there's a lot of vertices on the screen but it's still usually less than
// 10MB (out of which only the active portion needs to actually be compared) which is worth the ~60x speedup.
bool shouldRender = false;
{
static std::vector<u8> previousVtxData;
static size_t previousVtxDataSize = 0;
size_t offset = 0;
size_t vtxDataSize = 0;
for (const auto viewPort : ImGui::GetPlatformIO().Viewports) {
auto drawData = viewPort->DrawData;
for (int n = 0; n < drawData->CmdListsCount; n++) {
vtxDataSize += drawData->CmdLists[n]->VtxBuffer.size() * sizeof(ImDrawVert);
}
}
for (const auto viewPort : ImGui::GetPlatformIO().Viewports) {
auto drawData = viewPort->DrawData;
for (int n = 0; n < drawData->CmdListsCount; n++) {
const ImDrawList *cmdList = drawData->CmdLists[n];
if (vtxDataSize == previousVtxDataSize) {
shouldRender = shouldRender || std::memcmp(previousVtxData.data() + offset, cmdList->VtxBuffer.Data, cmdList->VtxBuffer.size() * sizeof(ImDrawVert)) != 0;
} else {
shouldRender = true;
}
if (previousVtxData.size() < offset + cmdList->VtxBuffer.size() * sizeof(ImDrawVert)) {
previousVtxData.resize(offset + cmdList->VtxBuffer.size() * sizeof(ImDrawVert));
}
std::memcpy(previousVtxData.data() + offset, cmdList->VtxBuffer.Data, cmdList->VtxBuffer.size() * sizeof(ImDrawVert));
offset += cmdList->VtxBuffer.size() * sizeof(ImDrawVert);
}
}
previousVtxDataSize = vtxDataSize;
}
GLFWwindow *backupContext = glfwGetCurrentContext();
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
glfwMakeContextCurrent(backupContext);
if (shouldRender) {
int displayWidth, displayHeight;
glfwGetFramebufferSize(m_window, &displayWidth, &displayHeight);
glViewport(0, 0, displayWidth, displayHeight);
glClearColor(0.00F, 0.00F, 0.00F, 0.00F);
glClear(GL_COLOR_BUFFER_BIT);
ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
glfwSwapBuffers(m_window);
m_unlockFrameRate = true;
}
glfwPollEvents();
// Process layout load requests
// NOTE: This needs to be done before a new frame is started, otherwise ImGui won't handle docking correctly
LayoutManager::process();
WorkspaceManager::process();
}
void Window::initGLFW() {
auto initialWindowProperties = ImHexApi::System::getInitialWindowProperties();
glfwSetErrorCallback([](int error, const char *desc) {
if (error == GLFW_PLATFORM_ERROR) {
// Ignore error spam caused by Wayland not supporting moving or resizing
// windows or querying their position and size.
if (std::string_view(desc).contains("Wayland"))
return;
}
try {
log::error("GLFW Error [0x{:05X}] : {}", error, desc);
} catch (const std::system_error &) {
// Catch and ignore system error that might be thrown when too many errors are being logged to a file
}
});
if (!glfwInit()) {
log::fatal("Failed to initialize GLFW!");
std::abort();
}
// Set up used OpenGL version
#if defined(OS_MACOS)
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_FALSE);
glfwWindowHint(GLFW_COCOA_GRAPHICS_SWITCHING, GLFW_TRUE);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_DECORATED, ImHexApi::System::isBorderlessWindowModeEnabled() ? GL_FALSE : GL_TRUE);
#endif
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE);
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
if (initialWindowProperties.has_value()) {
glfwWindowHint(GLFW_MAXIMIZED, initialWindowProperties->maximized);
}
// Create window
m_windowTitle = "ImHex";
m_window = glfwCreateWindow(1280_scaled, 720_scaled, m_windowTitle.c_str(), nullptr, nullptr);
ImHexApi::System::impl::setMainWindowHandle(m_window);
glfwSetWindowUserPointer(m_window, this);
if (m_window == nullptr) {
log::fatal("Failed to create window!");
std::abort();
}
// Force window to be fully opaque by default
glfwSetWindowOpacity(m_window, 1.0F);
glfwMakeContextCurrent(m_window);
glfwSwapInterval(1);
// Center window
GLFWmonitor *monitor = glfwGetPrimaryMonitor();
if (monitor != nullptr) {
const GLFWvidmode *mode = glfwGetVideoMode(monitor);
if (mode != nullptr) {
int monitorX, monitorY;
glfwGetMonitorPos(monitor, &monitorX, &monitorY);
int windowWidth, windowHeight;
glfwGetWindowSize(m_window, &windowWidth, &windowHeight);
glfwSetWindowPos(m_window, monitorX + (mode->width - windowWidth) / 2, monitorY + (mode->height - windowHeight) / 2);
}
}
// Set up initial window position
{
int x = 0, y = 0;
glfwGetWindowPos(m_window, &x, &y);
if (initialWindowProperties.has_value()) {
x = initialWindowProperties->x;
y = initialWindowProperties->y;
}
ImHexApi::System::impl::setMainWindowPosition(x, y);
glfwSetWindowPos(m_window, x, y);
}
// Set up initial window size
{
int width = 0, height = 0;
glfwGetWindowSize(m_window, &width, &height);
glfwSetWindowSize(m_window, width, height);
if (initialWindowProperties.has_value()) {
width = initialWindowProperties->width;
height = initialWindowProperties->height;
}
ImHexApi::System::impl::setMainWindowSize(width, height);
glfwSetWindowSize(m_window, width, height);
}
// Register window move callback
glfwSetWindowPosCallback(m_window, [](GLFWwindow *window, int x, int y) {
ImHexApi::System::impl::setMainWindowPosition(x, y);
if (auto g = ImGui::GetCurrentContext(); g == nullptr || g->WithinFrameScope) return;
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->m_unlockFrameRate = true;
win->fullFrame();
});
// Register window resize callback
glfwSetWindowSizeCallback(m_window, [](GLFWwindow *window, int width, int height) {
if (!glfwGetWindowAttrib(window, GLFW_ICONIFIED))
ImHexApi::System::impl::setMainWindowSize(width, height);
if (auto g = ImGui::GetCurrentContext(); g == nullptr || g->WithinFrameScope) return;
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->m_unlockFrameRate = true;
win->fullFrame();
});
glfwSetCursorPosCallback(m_window, [](GLFWwindow *window, double, double) {
if (auto g = ImGui::GetCurrentContext(); g == nullptr || g->WithinFrameScope) return;
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->m_unlockFrameRate = true;
});
glfwSetWindowFocusCallback(m_window, [](GLFWwindow *, int focused) {
EventWindowFocused::post(focused == GLFW_TRUE);
});
#if !defined(OS_WEB)
// Register key press callback
glfwSetInputMode(m_window, GLFW_LOCK_KEY_MODS, GLFW_TRUE);
glfwSetKeyCallback(m_window, [](GLFWwindow *window, int key, int scanCode, int action, int mods) {
hex::unused(mods);
// Handle A-Z keys using their ASCII value instead of the keycode
if (key >= GLFW_KEY_A && key <= GLFW_KEY_Z) {
std::string_view name = glfwGetKeyName(key, scanCode);
// If the key name is only one character long, use the ASCII value instead
// Otherwise the keyboard was set to a non-English layout and the key name
// is not the same as the ASCII value
if (name.length() == 1) {
key = std::toupper(name[0]);
}
}
if (key == GLFW_KEY_UNKNOWN) return;
if (action == GLFW_PRESS || action == GLFW_REPEAT) {
if (key != GLFW_KEY_LEFT_CONTROL && key != GLFW_KEY_RIGHT_CONTROL &&
key != GLFW_KEY_LEFT_ALT && key != GLFW_KEY_RIGHT_ALT &&
key != GLFW_KEY_LEFT_SHIFT && key != GLFW_KEY_RIGHT_SHIFT &&
key != GLFW_KEY_LEFT_SUPER && key != GLFW_KEY_RIGHT_SUPER
) {
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->m_unlockFrameRate = true;
if (!(mods & GLFW_MOD_NUM_LOCK)) {
if (key == GLFW_KEY_KP_0) key = GLFW_KEY_INSERT;
else if (key == GLFW_KEY_KP_1) key = GLFW_KEY_END;
else if (key == GLFW_KEY_KP_2) key = GLFW_KEY_DOWN;
else if (key == GLFW_KEY_KP_3) key = GLFW_KEY_PAGE_DOWN;
else if (key == GLFW_KEY_KP_4) key = GLFW_KEY_LEFT;
else if (key == GLFW_KEY_KP_6) key = GLFW_KEY_RIGHT;
else if (key == GLFW_KEY_KP_7) key = GLFW_KEY_HOME;
else if (key == GLFW_KEY_KP_8) key = GLFW_KEY_UP;
else if (key == GLFW_KEY_KP_9) key = GLFW_KEY_PAGE_UP;
}
win->m_pressedKeys.push_back(key);
}
}
});
#endif
// Register window close callback
glfwSetWindowCloseCallback(m_window, [](GLFWwindow *window) {
EventWindowClosing::post(window);
});
glfwSetWindowSizeLimits(m_window, 480_scaled, 360_scaled, GLFW_DONT_CARE, GLFW_DONT_CARE);
glfwShowWindow(m_window);
}
void Window::resize(i32 width, i32 height) {
glfwSetWindowSize(m_window, width, height);
}
void Window::initImGui() {
IMGUI_CHECKVERSION();
auto fonts = ImHexApi::Fonts::getFontAtlas();
if (fonts == nullptr) {
fonts = IM_NEW(ImFontAtlas)();
fonts->AddFontDefault();
fonts->Build();
}
// Initialize ImGui and all other ImGui extensions
GImGui = ImGui::CreateContext(fonts);
GImPlot = ImPlot::CreateContext();
GImNodes = ImNodes::CreateContext();
ImGuiIO &io = ImGui::GetIO();
ImGuiStyle &style = ImGui::GetStyle();
ImNodes::GetStyle().Flags = ImNodesStyleFlags_NodeOutline | ImNodesStyleFlags_GridLines;
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable | ImGuiConfigFlags_NavEnableKeyboard;
io.ConfigWindowsMoveFromTitleBarOnly = true;
io.FontGlobalScale = 1.0F;
if (glfwGetPrimaryMonitor() != nullptr) {
if (ImHexApi::System::isMutliWindowModeEnabled())
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
}
io.ConfigViewportsNoTaskBarIcon = false;
ImNodes::PushAttributeFlag(ImNodesAttributeFlags_EnableLinkDetachWithDragClick);
ImNodes::PushAttributeFlag(ImNodesAttributeFlags_EnableLinkCreationOnSnap);
// Allow ImNodes links to always be detached without holding down any button
{
static bool always = true;
ImNodes::GetIO().LinkDetachWithModifierClick.Modifier = &always;
}
io.UserData = &m_imguiCustomData;
auto scale = ImHexApi::System::getGlobalScale();
style.ScaleAllSizes(scale);
io.DisplayFramebufferScale = ImVec2(scale, scale);
io.Fonts->SetTexID(fonts->TexID);
style.WindowMenuButtonPosition = ImGuiDir_None;
style.IndentSpacing = 10.0F;
style.DisplaySafeAreaPadding = ImVec2(0.0F, 0.0F);
// Install custom settings handler
{
ImGuiSettingsHandler handler;
handler.TypeName = "ImHex";
handler.TypeHash = ImHashStr("ImHex");
handler.ReadOpenFn = [](ImGuiContext *ctx, ImGuiSettingsHandler *, const char *) -> void* { return ctx; };
handler.ReadLineFn = [](ImGuiContext *, ImGuiSettingsHandler *, void *, const char *line) {
LayoutManager::onLoad(line);
};
handler.WriteAllFn = [](ImGuiContext *, ImGuiSettingsHandler *handler, ImGuiTextBuffer *buffer) {
buffer->appendf("[%s][General]\n", handler->TypeName);
LayoutManager::onStore(buffer);
buffer->append("\n");
};
handler.UserData = this;
auto context = ImGui::GetCurrentContext();
context->SettingsHandlers.push_back(handler);
context->TestEngineHookItems = true;
io.IniFilename = nullptr;
}
ImGui_ImplGlfw_InitForOpenGL(m_window, true);
#if defined(OS_MACOS)
ImGui_ImplOpenGL3_Init("#version 150");
#elif defined(OS_WEB)
ImGui_ImplOpenGL3_Init();
ImGui_ImplGlfw_InstallEmscriptenCanvasResizeCallback("#canvas");
#else
ImGui_ImplOpenGL3_Init("#version 130");
#endif
for (const auto &plugin : PluginManager::getPlugins())
plugin.setImGuiContext(ImGui::GetCurrentContext());
RequestInitThemeHandlers::post();
}
void Window::exitGLFW() {
glfwDestroyWindow(m_window);
glfwTerminate();
m_window = nullptr;
}
void Window::exitImGui() {
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplGlfw_Shutdown();
ImPlot::DestroyContext();
ImGui::DestroyContext();
}
}
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