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ImHex/main/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/helpers/utils.hpp>
#include <hex/helpers/fs.hpp>
#include <hex/helpers/logger.hpp>
#include <hex/helpers/stacktrace.hpp>
#include <hex/ui/view.hpp>
#include <hex/ui/popup.hpp>
#include <chrono>
#include <csignal>
#include <set>
#include <thread>
#include <cassert>
#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 <fonts/codicons_font.h>
#include <hex/api/project_file_manager.hpp>
#include <GLFW/glfw3.h>
namespace hex {
using namespace std::literals::chrono_literals;
static std::fs::path s_imguiSettingsPath;
/**
* @brief returns the path to load/save imgui settings to, or an empty path if no location was found
*/
std::fs::path getImGuiSettingsPath() {
return s_imguiSettingsPath;
}
Window::Window() {
stacktrace::initialize();
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 == "no-builtin-plugin") {
openEmergencyPopup("No Builtin Plugin");
} else if (argument == "multiple-builtin-plugins") {
openEmergencyPopup("Multiple Builtin Plugins");
}
}
}
// Initialize the window
this->initGLFW();
this->initImGui();
this->setupNativeWindow();
this->registerEventHandlers();
auto logoData = romfs::get("logo.png");
this->m_logoTexture = ImGui::Texture(reinterpret_cast<const ImU8 *>(logoData.data()), logoData.size());
ContentRegistry::Settings::impl::store();
EventManager::post<EventSettingsChanged>();
EventManager::post<EventWindowInitialized>();
EventManager::post<EventImHexStartupFinished>();
}
Window::~Window() {
EventManager::unsubscribe<EventProviderDeleted>(this);
EventManager::unsubscribe<RequestCloseImHex>(this);
EventManager::unsubscribe<RequestUpdateWindowTitle>(this);
EventManager::unsubscribe<EventAbnormalTermination>(this);
EventManager::unsubscribe<RequestOpenPopup>(this);
this->exitImGui();
this->exitGLFW();
}
void Window::registerEventHandlers() {
// Initialize default theme
EventManager::post<RequestChangeTheme>("Dark");
// Handle the close window request by telling GLFW to shut down
EventManager::subscribe<RequestCloseImHex>(this, [this](bool noQuestions) {
glfwSetWindowShouldClose(this->m_window, GLFW_TRUE);
if (!noQuestions)
EventManager::post<EventWindowClosing>(this->m_window);
});
// Handle updating the window title
EventManager::subscribe<RequestUpdateWindowTitle>(this, [this]() {
std::string title = "ImHex";
if (ProjectFile::hasPath()) {
// If a project is open, show the project name instead of the file name
title += " - Project " + hex::limitStringLength(ProjectFile::getPath().stem().string(), 32);
if (ImHexApi::Provider::isDirty())
title += " (*)";
} else if (ImHexApi::Provider::isValid()) {
auto provider = ImHexApi::Provider::get();
if (provider != nullptr) {
title += " - " + hex::limitStringLength(provider->getName(), 32);
if (provider->isDirty())
title += " (*)";
if (!provider->isWritable())
title += " (Read Only)";
}
}
this->m_windowTitle = title;
if (this->m_window != nullptr)
glfwSetWindowTitle(this->m_window, title.c_str());
});
// Handle opening popups
EventManager::subscribe<RequestOpenPopup>(this, [this](auto name) {
std::scoped_lock lock(this->m_popupMutex);
this->m_popupsToOpen.push_back(name);
});
}
void Window::loop() {
while (!glfwWindowShouldClose(this->m_window)) {
this->m_lastFrameTime = glfwGetTime();
if (!glfwGetWindowAttrib(this->m_window, GLFW_VISIBLE) || glfwGetWindowAttrib(this->m_window, GLFW_ICONIFIED)) {
// If the application is minimized or not visible, don't render anything
glfwWaitEvents();
} else {
glfwPollEvents();
// If no events have been received in a while, lower the frame rate
{
// If the mouse is down, the mouse is moving or a popup is open, we don't want to lower the frame rate
if (ImGui::IsPopupOpen(ImGuiID(0), ImGuiPopupFlags_AnyPopupId) ||
TaskManager::getRunningTaskCount() > 0 ||
this->m_buttonDown ||
this->m_hadEvent ||
!this->m_pressedKeys.empty())
{
this->m_frameRateTemporarilyUnlocked = true;
}
// If the frame rate has been unlocked for 5 seconds, lock it again
if ((this->m_lastFrameTime - this->m_frameRateUnlockTime) > 5 && this->m_frameRateTemporarilyUnlocked) {
this->m_frameRateTemporarilyUnlocked = false;
this->m_frameRateUnlockTime = this->m_lastFrameTime;
}
// If the frame rate is locked, wait for events with a timeout
const auto targetFps = ImHexApi::System::getTargetFPS();
if (targetFps >= 200) {
// Frame rate is unlocked
} else if (targetFps < 15) {
// Limit frame rate to monitor refresh rate
glfwSwapInterval(1);
} else if (this->m_frameRateTemporarilyUnlocked) {
// Handle regular frame rate when it was temporarily unlocked
// Limit the frame rate to the target frame rate
const double timeout = std::max(0.0, (1.0 / targetFps) - (glfwGetTime() - this->m_lastFrameTime));
std::this_thread::sleep_for(std::chrono::milliseconds(u32(timeout * 1000)));
glfwSwapInterval(0);
} else {
// Handle frame rate when there's no interaction with the window
// Limit the frame rate to ~5 FPS
const double timeout = std::max(0.0, (1.0 / 5.0) - (glfwGetTime() - this->m_lastFrameTime));
std::this_thread::sleep_for(std::chrono::milliseconds(u32(timeout * 1000)));
glfwSwapInterval(0);
}
this->m_hadEvent = false;
}
}
// Render frame
this->frameBegin();
this->frame();
this->frameEnd();
}
}
static void createNestedMenu(std::span<const std::string> menuItems, const Shortcut &shortcut, const std::function<void()> &callback, const std::function<bool()> &enabledCallback) {
const auto &name = menuItems.front();
if (name == ContentRegistry::Interface::impl::SeparatorValue) {
ImGui::Separator();
return;
}
if (name == ContentRegistry::Interface::impl::SubMenuValue) {
callback();
} else if (menuItems.size() == 1) {
if (ImGui::MenuItem(LangEntry(name), shortcut.toString().c_str(), false, enabledCallback()))
callback();
} else {
if (ImGui::BeginMenu(LangEntry(name), *(menuItems.begin() + 1) == ContentRegistry::Interface::impl::SubMenuValue ? enabledCallback() : true)) {
createNestedMenu({ menuItems.begin() + 1, menuItems.end() }, shortcut, callback, enabledCallback);
ImGui::EndMenu();
}
}
}
void Window::drawTitleBarBorderless() {
auto startX = ImGui::GetCursorPosX();
auto titleBarHeight = ImGui::GetCurrentWindow()->MenuBarHeight();
auto buttonSize = ImVec2(titleBarHeight * 1.5F, titleBarHeight - 1);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
ImGui::PushStyleColor(ImGuiCol_Button, ImGui::GetColorU32(ImGuiCol_MenuBarBg));
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabActive));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabHovered));
// custom titlebar buttons implementation for borderless window mode
auto &titleBarButtons = ContentRegistry::Interface::impl::getTitleBarButtons();
// Draw custom title bar buttons
ImGui::SetCursorPosX(ImGui::GetWindowWidth() - buttonSize.x * (4 + titleBarButtons.size()));
for (const auto &[icon, tooltip, callback] : titleBarButtons) {
if (ImGui::TitleBarButton(icon.c_str(), buttonSize)) {
callback();
}
ImGui::InfoTooltip(LangEntry(tooltip));
}
// Draw minimize, restore and maximize buttons
ImGui::SetCursorPosX(ImGui::GetWindowWidth() - buttonSize.x * 3);
if (ImGui::TitleBarButton(ICON_VS_CHROME_MINIMIZE, buttonSize))
glfwIconifyWindow(this->m_window);
if (glfwGetWindowAttrib(this->m_window, GLFW_MAXIMIZED)) {
if (ImGui::TitleBarButton(ICON_VS_CHROME_RESTORE, buttonSize))
glfwRestoreWindow(this->m_window);
} else {
if (ImGui::TitleBarButton(ICON_VS_CHROME_MAXIMIZE, buttonSize))
glfwMaximizeWindow(this->m_window);
}
ImGui::PushStyleColor(ImGuiCol_ButtonActive, 0xFF7A70F1);
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, 0xFF2311E8);
// Draw close button
if (ImGui::TitleBarButton(ICON_VS_CHROME_CLOSE, buttonSize)) {
ImHexApi::System::closeImHex();
}
ImGui::PopStyleColor(5);
ImGui::PopStyleVar();
ImGui::SetCursorPosX(std::max(startX, (ImGui::GetWindowWidth() - ImGui::CalcTextSize(this->m_windowTitle.c_str()).x) / 2));
ImGui::TextUnformatted(this->m_windowTitle.c_str());
}
void Window::drawTitleBarBorder() {
auto titleBarHeight = ImGui::GetCurrentWindow()->MenuBarHeight();
auto buttonSize = ImVec2(titleBarHeight * 1.5F, titleBarHeight - 1);
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
ImGui::PushStyleColor(ImGuiCol_Button, ImGui::GetColorU32(ImGuiCol_MenuBarBg));
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabActive));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabHovered));
auto &titleBarButtons = ContentRegistry::Interface::impl::getTitleBarButtons();
// Draw custom title bar buttons
ImGui::SetCursorPosX(ImGui::GetWindowWidth() - buttonSize.x * (titleBarButtons.size()+0.5));
for (const auto &[icon, tooltip, callback] : titleBarButtons) {
if (ImGui::TitleBarButton(icon.c_str(), buttonSize)) {
callback();
}
ImGui::InfoTooltip(LangEntry(tooltip));
}
ImGui::PopStyleColor(3);
ImGui::PopStyleVar();
}
void Window::drawTitleBar() {
if (ImHexApi::System::isBorderlessWindowModeEnabled()) {
drawTitleBarBorderless();
} else {
drawTitleBarBorder();
}
}
void Window::frameBegin() {
// Start new ImGui Frame
ImGui_ImplOpenGL3_NewFrame();
ImGui_ImplGlfw_NewFrame();
ImGui::NewFrame();
// 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;
ImGui::GetIO().ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
// Render main dock space
if (ImGui::Begin("ImHexDockSpace", nullptr, windowFlags)) {
auto drawList = ImGui::GetWindowDrawList();
ImGui::PopStyleVar();
auto sidebarPos = ImGui::GetCursorPos();
auto sidebarWidth = ContentRegistry::Interface::impl::getSidebarItems().empty() ? 0 : 30_scaled;
ImGui::SetCursorPosX(sidebarWidth);
auto footerHeight = ImGui::GetTextLineHeightWithSpacing() + ImGui::GetStyle().FramePadding.y * 2 + 1_scaled;
auto dockSpaceSize = ImVec2(ImHexApi::System::getMainWindowSize().x - sidebarWidth, ImGui::GetContentRegionAvail().y - footerHeight);
// Render footer
{
auto dockId = ImGui::DockSpace(ImGui::GetID("ImHexMainDock"), dockSpaceSize);
ImHexApi::System::impl::setMainDockSpaceId(dockId);
drawList->AddRectFilled(ImGui::GetWindowPos(), ImGui::GetWindowPos() + ImGui::GetWindowSize() - ImVec2(dockSpaceSize.x, footerHeight - ImGui::GetStyle().FramePadding.y - 1_scaled), ImGui::GetColorU32(ImGuiCol_MenuBarBg));
ImGui::Separator();
ImGui::SetCursorPosX(8);
for (const auto &callback : ContentRegistry::Interface::impl::getFooterItems()) {
auto prevIdx = drawList->_VtxCurrentIdx;
callback();
auto currIdx = drawList->_VtxCurrentIdx;
// Only draw separator if something was actually drawn
if (prevIdx != currIdx) {
ImGui::SameLine();
ImGui::SeparatorEx(ImGuiSeparatorFlags_Vertical);
ImGui::SameLine();
}
}
}
// Render sidebar
{
ImGui::SetCursorPos(sidebarPos);
static i32 openWindow = -1;
u32 index = 0;
ImGui::PushID("SideBarWindows");
for (const auto &[icon, callback] : ContentRegistry::Interface::impl::getSidebarItems()) {
ImGui::SetCursorPosY(sidebarPos.y + sidebarWidth * index);
ImGui::PushStyleColor(ImGuiCol_Button, ImGui::GetColorU32(ImGuiCol_MenuBarBg));
ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabActive));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImGui::GetColorU32(ImGuiCol_ScrollbarGrabHovered));
ImGui::BeginDisabled(!ImHexApi::Provider::isValid());
{
if (ImGui::Button(icon.c_str(), ImVec2(sidebarWidth, sidebarWidth))) {
if (static_cast<u32>(openWindow) == index)
openWindow = -1;
else
openWindow = index;
}
}
ImGui::EndDisabled();
ImGui::PopStyleColor(3);
bool open = static_cast<u32>(openWindow) == index;
if (open) {
ImGui::SetNextWindowPos(ImGui::GetWindowPos() + sidebarPos + ImVec2(sidebarWidth - 2_scaled, 0));
ImGui::SetNextWindowSize(ImVec2(250_scaled, dockSpaceSize.y + ImGui::GetStyle().FramePadding.y + 2_scaled));
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1);
if (ImGui::Begin("Window", &open, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoTitleBar)) {
callback();
}
ImGui::End();
ImGui::PopStyleVar();
}
ImGui::NewLine();
index++;
}
ImGui::PopID();
}
// Render main menu
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0F);
ImGui::SetNextWindowScroll(ImVec2(0, 0));
if (ImGui::BeginMainMenuBar()) {
if (ImHexApi::System::isBorderlessWindowModeEnabled()) {
auto menuBarHeight = ImGui::GetCurrentWindow()->MenuBarHeight();
ImGui::SetCursorPosX(5);
ImGui::Image(this->m_logoTexture, ImVec2(menuBarHeight, menuBarHeight));
}
for (const auto &[priority, menuItem] : ContentRegistry::Interface::impl::getMainMenuItems()) {
ImGui::GetStyle().TouchExtraPadding = scaled(ImVec2(0, 2));
if (ImGui::BeginMenu(LangEntry(menuItem.unlocalizedName))) {
ImGui::EndMenu();
}
ImGui::GetStyle().TouchExtraPadding = ImVec2(0, 0);
}
for (auto &[priority, menuItem] : ContentRegistry::Interface::impl::getMenuItems()) {
const auto &[unlocalizedNames, shortcut, callback, enabledCallback] = menuItem;
createNestedMenu(unlocalizedNames, shortcut, callback, enabledCallback);
}
this->drawTitleBar();
ImGui::EndMainMenuBar();
}
ImGui::PopStyleVar();
// Render toolbar
if (ImGui::BeginMenuBar()) {
for (const auto &callback : ContentRegistry::Interface::impl::getToolbarItems()) {
callback();
ImGui::SameLine();
}
ImGui::EndMenuBar();
}
this->beginNativeWindowFrame();
drawList->AddLine(ImGui::GetWindowPos() + ImVec2(sidebarWidth - 2, 0), ImGui::GetWindowPos() + ImGui::GetWindowSize() - ImVec2(dockSpaceSize.x + 2, footerHeight - ImGui::GetStyle().FramePadding.y - 2), ImGui::GetColorU32(ImGuiCol_Separator));
drawList->AddLine(ImGui::GetWindowPos() + ImVec2(sidebarWidth, ImGui::GetCurrentWindow()->MenuBarHeight()), ImGui::GetWindowPos() + ImVec2(ImGui::GetWindowSize().x, ImGui::GetCurrentWindow()->MenuBarHeight()), ImGui::GetColorU32(ImGuiCol_Separator));
}
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 = []() {
ImGui::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) ? ICON_VS_CHECK : ICON_VS_CLOSE);
}
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();
}
// No built-in plugin error popup
ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5F, 0.5F));
if (ImGui::BeginPopupModal("No Builtin Plugin", nullptr, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove)) {
ImGui::TextUnformatted("The ImHex built-in plugins could not be loaded!");
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();
}
// Multiple built-in plugins error popup
ImGui::SetNextWindowPos(ImGui::GetMainViewport()->GetCenter(), ImGuiCond_Appearing, ImVec2(0.5F, 0.5F));
if (ImGui::BeginPopupModal("Multiple Builtin Plugins", nullptr, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove)) {
ImGui::TextUnformatted("ImHex found and attempted to load multiple built-in plugins!");
ImGui::TextUnformatted("Make sure you installed ImHex correctly and, if needed,");
ImGui::TextUnformatted("cleaned up older installations correctly,");
ImGui::TextUnformatted("There should be exactly one 'builtin.hexplug' file in any one your plugin folders.");
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(this->m_popupMutex);
this->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 popupDisplaying = false;
static bool positionSet = false;
static bool sizeSet = false;
static double popupDelay = -2.0;
static std::unique_ptr<impl::PopupBase> currPopup;
static LangEntry name("");
if (auto &popups = impl::PopupBase::getOpenPopups(); !popups.empty()) {
if (!ImGui::IsPopupOpen(ImGuiID(0), ImGuiPopupFlags_AnyPopupId)) {
if (popupDelay <= -1.0) {
popupDelay = 200;
} else {
popupDelay -= this->m_lastFrameTime;
if (popupDelay < 0) {
popupDelay = -2.0;
currPopup = std::move(popups.back());
name = LangEntry(currPopup->getUnlocalizedName());
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) {
currPopup->drawContent();
popupDisplaying = true;
if (ImGui::GetWindowSize().x > ImGui::GetStyle().FramePadding.x * 10)
sizeSet = true;
ImGui::EndPopup();
} else {
popupDisplaying = false;
}
};
if (currPopup->isModal())
createPopup(ImGui::BeginPopupModal(name, closeButton, flags));
else
createPopup(ImGui::BeginPopup(name, flags));
if (!popupDisplaying || currPopup->shouldClose()) {
log::debug("Closing popup '{}'", name);
positionSet = sizeSet = false;
currPopup = nullptr;
}
}
}
// Run all deferred calls
TaskManager::runDeferredCalls();
// Draw main menu popups
for (auto &[priority, menuItem] : ContentRegistry::Interface::impl::getMenuItems()) {
const auto &[unlocalizedNames, shortcut, callback, enabledCallback] = menuItem;
if (ImGui::BeginPopup(unlocalizedNames.front().c_str())) {
createNestedMenu({ unlocalizedNames.begin() + 1, unlocalizedNames.end() }, shortcut, callback, enabledCallback);
ImGui::EndPopup();
}
}
EventManager::post<EventFrameBegin>();
}
void Window::frame() {
auto &io = ImGui::GetIO();
const bool popupOpen = ImGui::IsPopupOpen(ImGuiID(0), ImGuiPopupFlags_AnyPopupId);
// Loop through all views and draw them
for (auto &[name, view] : ContentRegistry::Views::impl::getEntries()) {
ImGui::GetCurrentContext()->NextWindowData.ClearFlags();
// Draw always visible views
view->drawAlwaysVisible();
// Skip views that shouldn't be processed currently
if (!view->shouldProcess())
continue;
// Draw view
if (view->isAvailable()) {
ImGui::SetNextWindowSizeConstraints(view->getMinSize(), view->getMaxSize());
view->drawContent();
}
// Handle per-view shortcuts
if (view->getWindowOpenState() && !popupOpen) {
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)) {
ImGui::Begin(View::toWindowName(name).c_str());
focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows | ImGuiFocusedFlags_NoPopupHierarchy);
ImGui::End();
}
// Pass on currently pressed keys to the shortcut handler
for (const auto &key : this->m_pressedKeys) {
ShortcutManager::process(view, io.KeyCtrl, io.KeyAlt, io.KeyShift, io.KeySuper, focused, key);
}
}
}
// Handle global shortcuts
if (!popupOpen) {
for (const auto &key : this->m_pressedKeys) {
ShortcutManager::processGlobals(io.KeyCtrl, io.KeyAlt, io.KeyShift, io.KeySuper, key);
}
}
this->m_pressedKeys.clear();
}
void Window::frameEnd() {
EventManager::post<EventFrameEnd>();
// Clean up all tasks that are done
TaskManager::collectGarbage();
this->endNativeWindowFrame();
// Render UI
ImGui::Render();
int displayWidth, displayHeight;
glfwGetFramebufferSize(this->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());
GLFWwindow *backup_current_context = glfwGetCurrentContext();
ImGui::UpdatePlatformWindows();
ImGui::RenderPlatformWindowsDefault();
glfwMakeContextCurrent(backup_current_context);
glfwSwapBuffers(this->m_window);
// 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();
}
void Window::initGLFW() {
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);
#else
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
#endif
glfwWindowHint(GLFW_DECORATED, ImHexApi::System::isBorderlessWindowModeEnabled() ? GL_FALSE : GL_TRUE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE);
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
// Create window
this->m_windowTitle = "ImHex";
this->m_window = glfwCreateWindow(1280_scaled, 720_scaled, this->m_windowTitle.c_str(), nullptr, nullptr);
glfwSetWindowUserPointer(this->m_window, this);
if (this->m_window == nullptr) {
log::fatal("Failed to create window!");
std::abort();
}
glfwMakeContextCurrent(this->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(this->m_window, &windowWidth, &windowHeight);
glfwSetWindowPos(this->m_window, monitorX + (mode->width - windowWidth) / 2, monitorY + (mode->height - windowHeight) / 2);
}
}
// Set up initial window position
{
int x = 0, y = 0;
glfwGetWindowPos(this->m_window, &x, &y);
ImHexApi::System::impl::setMainWindowPosition(x, y);
}
// Set up initial window size
{
int width = 0, height = 0;
glfwGetWindowSize(this->m_window, &width, &height);
glfwSetWindowSize(this->m_window, width, height);
ImHexApi::System::impl::setMainWindowSize(width, height);
}
// Register window move callback
glfwSetWindowPosCallback(this->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->frameBegin();
win->frame();
win->frameEnd();
win->processEvent();
});
// Register window resize callback
glfwSetWindowSizeCallback(this->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->frameBegin();
win->frame();
win->frameEnd();
win->processEvent();
});
// Register mouse handling callback
glfwSetMouseButtonCallback(this->m_window, [](GLFWwindow *window, int button, int action, int mods) {
hex::unused(button, mods);
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
if (action == GLFW_PRESS)
win->m_buttonDown = true;
else if (action == GLFW_RELEASE)
win->m_buttonDown = false;
win->processEvent();
});
// Register scrolling callback
glfwSetScrollCallback(this->m_window, [](GLFWwindow *window, double xOffset, double yOffset) {
hex::unused(xOffset, yOffset);
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->processEvent();
});
// Register key press callback
glfwSetKeyCallback(this->m_window, [](GLFWwindow *window, int key, int scancode, int action, int mods) {
hex::unused(mods);
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
if (action == GLFW_RELEASE) {
win->m_buttonDown = false;
} else {
win->m_buttonDown = true;
}
if (key == GLFW_KEY_UNKNOWN) return;
auto keyName = glfwGetKeyName(key, scancode);
if (keyName != nullptr)
key = std::toupper(keyName[0]);
if (action == GLFW_PRESS || action == GLFW_REPEAT) {
win->m_pressedKeys.push_back(key);
}
win->processEvent();
});
// Register cursor position callback
glfwSetCursorPosCallback(this->m_window, [](GLFWwindow *window, double x, double y) {
hex::unused(x, y);
auto win = static_cast<Window *>(glfwGetWindowUserPointer(window));
win->processEvent();
});
// Register window close callback
glfwSetWindowCloseCallback(this->m_window, [](GLFWwindow *window) {
EventManager::post<EventWindowClosing>(window);
});
// Register file drop callback
glfwSetDropCallback(this->m_window, [](GLFWwindow *, int count, const char **paths) {
// Loop over all dropped files
for (int i = 0; i < count; i++) {
auto path = std::fs::path(reinterpret_cast<const char8_t *>(paths[i]));
// Check if a custom file handler can handle the file
bool handled = false;
for (const auto &[extensions, handler] : ContentRegistry::FileHandler::impl::getEntries()) {
for (const auto &extension : extensions) {
if (path.extension() == extension) {
// Pass the file to the handler and check if it was successful
if (!handler(path)) {
log::error("Handler for extensions '{}' failed to process file!", extension);
break;
}
handled = true;
}
}
}
// If no custom handler was found, just open the file regularly
if (!handled)
EventManager::post<RequestOpenFile>(path);
}
});
glfwSetWindowSizeLimits(this->m_window, 720_scaled, 480_scaled, GLFW_DONT_CARE, GLFW_DONT_CARE);
glfwShowWindow(this->m_window);
}
void Window::initImGui() {
IMGUI_CHECKVERSION();
auto fonts = View::getFontAtlas();
// 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) {
bool multiWindowEnabled = ContentRegistry::Settings::read("hex.builtin.setting.interface", "hex.builtin.setting.interface.multi_windows", 0) != 0;
if (multiWindowEnabled)
io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
}
for (auto &entry : fonts->ConfigData)
io.Fonts->ConfigData.push_back(entry);
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 = new ImGui::ImHexCustomData();
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) {
for (auto &[name, view] : ContentRegistry::Views::impl::getEntries()) {
std::string format = view->getUnlocalizedName() + "=%d";
sscanf(line, format.c_str(), &view->getWindowOpenState());
}
for (auto &[name, function, detached] : ContentRegistry::Tools::impl::getEntries()) {
std::string format = name + "=%d";
sscanf(line, format.c_str(), &detached);
}
};
handler.WriteAllFn = [](ImGuiContext *, ImGuiSettingsHandler *handler, ImGuiTextBuffer *buf) {
buf->appendf("[%s][General]\n", handler->TypeName);
for (auto &[name, view] : ContentRegistry::Views::impl::getEntries()) {
buf->appendf("%s=%d\n", name.c_str(), view->getWindowOpenState());
}
for (auto &[name, function, detached] : ContentRegistry::Tools::impl::getEntries()) {
buf->appendf("%s=%d\n", name.c_str(), detached);
}
buf->append("\n");
};
handler.UserData = this;
ImGui::GetCurrentContext()->SettingsHandlers.push_back(handler);
io.IniFilename = nullptr;
for (const auto &dir : fs::getDefaultPaths(fs::ImHexPath::Config)) {
if (std::fs::exists(dir) && (fs::isPathWritable(dir))) {
s_imguiSettingsPath = dir / "interface.ini";
break;
}
}
if (!s_imguiSettingsPath.empty() && wolv::io::fs::exists(s_imguiSettingsPath)) {
ImGui::LoadIniSettingsFromDisk(wolv::util::toUTF8String(s_imguiSettingsPath).c_str());
}
}
ImGui_ImplGlfw_InitForOpenGL(this->m_window, true);
#if defined(OS_MACOS)
ImGui_ImplOpenGL3_Init("#version 150");
#else
ImGui_ImplOpenGL3_Init("#version 130");
#endif
for (const auto &plugin : PluginManager::getPlugins())
plugin.setImGuiContext(ImGui::GetCurrentContext());
EventManager::post<RequestInitThemeHandlers>();
}
void Window::exitGLFW() {
glfwDestroyWindow(this->m_window);
glfwTerminate();
this->m_window = nullptr;
}
void Window::exitImGui() {
delete static_cast<ImGui::ImHexCustomData *>(ImGui::GetIO().UserData);
ImGui::SaveIniSettingsToDisk(wolv::util::toUTF8String(s_imguiSettingsPath).c_str());
ImGui_ImplOpenGL3_Shutdown();
ImGui_ImplGlfw_Shutdown();
ImPlot::DestroyContext();
ImGui::DestroyContext();
}
}
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