mirror of
https://github.com/telegramdesktop/tdesktop
synced 2025-04-11 04:01:18 +00:00
528 lines
17 KiB
C++
528 lines
17 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "platform/linux/linux_gtk_integration.h"
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#include "platform/linux/linux_gtk_integration_p.h"
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#include "base/platform/base_platform_info.h"
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#include "platform/linux/linux_desktop_environment.h"
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#include "platform/linux/linux_xlib_helper.h"
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#include "platform/linux/linux_gdk_helper.h"
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#include "platform/linux/linux_gtk_file_dialog.h"
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#include "platform/linux/linux_open_with_dialog.h"
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#include "platform/linux/specific_linux.h"
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#include "core/sandbox.h"
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#include "core/core_settings.h"
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#include "core/application.h"
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#include "main/main_domain.h"
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#include "mainwindow.h"
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namespace Platform {
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namespace internal {
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using namespace Platform::Gtk;
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namespace {
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bool GtkTriedToInit = false;
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bool GtkLoaded = false;
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bool LoadLibrary(QLibrary &lib, const char *name, int version) {
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#ifdef LINK_TO_GTK
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return true;
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#else // LINK_TO_GTK
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DEBUG_LOG(("Loading '%1' with version %2...").arg(
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QLatin1String(name)).arg(version));
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lib.setFileNameAndVersion(QLatin1String(name), version);
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if (lib.load()) {
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DEBUG_LOG(("Loaded '%1' with version %2!").arg(
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QLatin1String(name)).arg(version));
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return true;
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}
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lib.setFileNameAndVersion(QLatin1String(name), QString());
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if (lib.load()) {
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DEBUG_LOG(("Loaded '%1' without version!").arg(QLatin1String(name)));
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return true;
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}
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LOG(("Could not load '%1' with version %2 :(").arg(
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QLatin1String(name)).arg(version));
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return false;
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#endif // !LINK_TO_GTK
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}
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void GtkMessageHandler(
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const gchar *log_domain,
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GLogLevelFlags log_level,
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const gchar *message,
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gpointer unused_data) {
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// Silence false-positive Gtk warnings (we are using Xlib to set
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// the WM_TRANSIENT_FOR hint).
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if (message != qstr("GtkDialog mapped without a transient parent. "
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"This is discouraged.")) {
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// For other messages, call the default handler.
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g_log_default_handler(log_domain, log_level, message, unused_data);
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}
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}
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bool SetupGtkBase(QLibrary &lib_gtk) {
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_init_check", gtk_init_check)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_check_version", gtk_check_version)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_settings_get_default", gtk_settings_get_default)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_show", gtk_widget_show)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_hide", gtk_widget_hide)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_get_window", gtk_widget_get_window)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_realize", gtk_widget_realize)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_hide_on_delete", gtk_widget_hide_on_delete)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_widget_destroy", gtk_widget_destroy)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_clipboard_get", gtk_clipboard_get)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_clipboard_store", gtk_clipboard_store)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_clipboard_wait_for_contents", gtk_clipboard_wait_for_contents)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_clipboard_wait_for_image", gtk_clipboard_wait_for_image)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_selection_data_targets_include_image", gtk_selection_data_targets_include_image)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_selection_data_free", gtk_selection_data_free)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_dialog_new", gtk_file_chooser_dialog_new)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_get_type", gtk_file_chooser_get_type)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_image_get_type", gtk_image_get_type)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_current_folder", gtk_file_chooser_set_current_folder)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_get_current_folder", gtk_file_chooser_get_current_folder)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_current_name", gtk_file_chooser_set_current_name)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_select_filename", gtk_file_chooser_select_filename)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_get_filenames", gtk_file_chooser_get_filenames)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_filter", gtk_file_chooser_set_filter)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_get_filter", gtk_file_chooser_get_filter)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_window_get_type", gtk_window_get_type)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_window_set_title", gtk_window_set_title)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_local_only", gtk_file_chooser_set_local_only)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_action", gtk_file_chooser_set_action)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_select_multiple", gtk_file_chooser_set_select_multiple)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_do_overwrite_confirmation", gtk_file_chooser_set_do_overwrite_confirmation)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_remove_filter", gtk_file_chooser_remove_filter)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_filter_set_name", gtk_file_filter_set_name)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_filter_add_pattern", gtk_file_filter_add_pattern)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_add_filter", gtk_file_chooser_add_filter)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_preview_widget", gtk_file_chooser_set_preview_widget)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_get_preview_filename", gtk_file_chooser_get_preview_filename)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_chooser_set_preview_widget_active", gtk_file_chooser_set_preview_widget_active)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_file_filter_new", gtk_file_filter_new)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_image_new", gtk_image_new)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_image_set_from_pixbuf", gtk_image_set_from_pixbuf)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gdk_window_set_modal_hint", gdk_window_set_modal_hint)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gdk_window_focus", gdk_window_focus)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_dialog_get_type", gtk_dialog_get_type)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gtk_dialog_run", gtk_dialog_run)) return false;
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if (!LOAD_GTK_SYMBOL(lib_gtk, "gdk_atom_intern", gdk_atom_intern)) return false;
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if (LOAD_GTK_SYMBOL(lib_gtk, "gdk_set_allowed_backends", gdk_set_allowed_backends)) {
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// We work only with Wayland and X11 GDK backends.
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// Otherwise we get segfault in Ubuntu 17.04 in gtk_init_check() call.
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// See https://github.com/telegramdesktop/tdesktop/issues/3176
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// See https://github.com/telegramdesktop/tdesktop/issues/3162
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if(IsWayland()) {
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DEBUG_LOG(("Limit allowed GDK backends to wayland,x11"));
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gdk_set_allowed_backends("wayland,x11");
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} else {
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DEBUG_LOG(("Limit allowed GDK backends to x11,wayland"));
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gdk_set_allowed_backends("x11,wayland");
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}
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}
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// gtk_init will reset the Xlib error handler,
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// and that causes Qt applications to quit on X errors.
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// Therefore, we need to manually restore it.
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XErrorHandlerRestorer handlerRestorer;
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DEBUG_LOG(("Library gtk functions loaded!"));
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GtkTriedToInit = true;
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if (!gtk_init_check(0, 0)) {
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gtk_init_check = nullptr;
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DEBUG_LOG(("Failed to gtk_init_check(0, 0)!"));
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return false;
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}
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DEBUG_LOG(("Checked gtk with gtk_init_check!"));
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// Use our custom log handler.
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g_log_set_handler("Gtk", G_LOG_LEVEL_MESSAGE, GtkMessageHandler, nullptr);
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return true;
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}
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bool GetImageFromClipboardSupported() {
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return (gtk_clipboard_get != nullptr)
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&& (gtk_clipboard_wait_for_contents != nullptr)
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&& (gtk_clipboard_wait_for_image != nullptr)
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&& (gtk_selection_data_targets_include_image != nullptr)
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&& (gtk_selection_data_free != nullptr)
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&& (gdk_pixbuf_get_pixels != nullptr)
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&& (gdk_pixbuf_get_width != nullptr)
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&& (gdk_pixbuf_get_height != nullptr)
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&& (gdk_pixbuf_get_rowstride != nullptr)
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&& (gdk_pixbuf_get_has_alpha != nullptr)
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&& (gdk_atom_intern != nullptr);
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}
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template <typename T>
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std::optional<T> GtkSetting(const QString &propertyName) {
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const auto integration = GtkIntegration::Instance();
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if (!integration
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|| !integration->loaded()
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|| gtk_settings_get_default == nullptr) {
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return std::nullopt;
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}
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auto settings = gtk_settings_get_default();
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T value;
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g_object_get(settings, propertyName.toUtf8(), &value, nullptr);
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return value;
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}
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bool IconThemeShouldBeSet() {
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// change the icon theme only if
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// it isn't already set by a platformtheme plugin
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// if QT_QPA_PLATFORMTHEME=(gtk2|gtk3), then force-apply the icon theme
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static const auto Result =
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// QGenericUnixTheme
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(QIcon::themeName() == qstr("hicolor")
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&& QIcon::fallbackThemeName() == qstr("hicolor"))
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// QGnomeTheme
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|| (QIcon::themeName() == qstr("Adwaita")
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&& QIcon::fallbackThemeName() == qstr("gnome"))
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// qt5ct
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|| (QIcon::themeName().isEmpty()
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&& QIcon::fallbackThemeName().isEmpty())
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|| IsGtkIntegrationForced();
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return Result;
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}
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bool CursorSizeShouldBeSet() {
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// change the cursor size only on Wayland and if it wasn't already set
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static const auto Result = IsWayland()
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&& qEnvironmentVariableIsEmpty("XCURSOR_SIZE");
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return Result;
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}
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void SetScaleFactor() {
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Core::Sandbox::Instance().customEnterFromEventLoop([] {
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const auto integration = GtkIntegration::Instance();
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if (!integration || !DesktopEnvironment::IsGtkBased()) {
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return;
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}
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const auto scaleFactor = integration->scaleFactor();
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if (!scaleFactor.has_value()) {
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return;
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}
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LOG(("GTK scale factor: %1").arg(*scaleFactor));
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const int scale = *scaleFactor
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* 100
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/ Core::Sandbox::Instance().devicePixelRatio();
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cSetScreenScale(std::clamp(scale, 100, 300));
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});
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}
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void SetIconTheme() {
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Core::Sandbox::Instance().customEnterFromEventLoop([] {
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const auto integration = GtkIntegration::Instance();
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if (!integration || !IconThemeShouldBeSet()) {
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return;
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}
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const auto themeName = integration->getStringSetting(
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qsl("gtk-icon-theme-name"));
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const auto fallbackThemeName = integration->getStringSetting(
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qsl("gtk-fallback-icon-theme"));
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if (!themeName.has_value() || !fallbackThemeName.has_value()) {
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return;
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}
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DEBUG_LOG(("Setting GTK icon theme"));
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QIcon::setThemeName(*themeName);
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QIcon::setFallbackThemeName(*fallbackThemeName);
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DEBUG_LOG(("New icon theme: %1").arg(QIcon::themeName()));
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DEBUG_LOG(("New fallback icon theme: %1").arg(
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QIcon::fallbackThemeName()));
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SetApplicationIcon(Window::CreateIcon());
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if (App::wnd()) {
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App::wnd()->setWindowIcon(Window::CreateIcon());
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}
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Core::App().domain().notifyUnreadBadgeChanged();
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});
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}
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void SetCursorSize() {
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Core::Sandbox::Instance().customEnterFromEventLoop([] {
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const auto integration = GtkIntegration::Instance();
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if (!integration || !CursorSizeShouldBeSet()) {
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return;
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}
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const auto newCursorSize = integration->getIntSetting(
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qsl("gtk-cursor-theme-size"));
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if (!newCursorSize.has_value()) {
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return;
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}
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DEBUG_LOG(("Setting GTK cursor size"));
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qputenv("XCURSOR_SIZE", QByteArray::number(*newCursorSize));
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DEBUG_LOG(("New cursor size: %1").arg(*newCursorSize));
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});
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}
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void DarkModeChanged() {
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Core::Sandbox::Instance().customEnterFromEventLoop([] {
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Core::App().settings().setSystemDarkMode(IsDarkMode());
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});
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}
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void DecorationLayoutChanged() {
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Core::Sandbox::Instance().customEnterFromEventLoop([] {
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Core::App().settings().setWindowControlsLayout(
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WindowControlsLayout());
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});
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}
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} // namespace
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GtkIntegration::GtkIntegration() {
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}
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GtkIntegration *GtkIntegration::Instance() {
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static const auto useGtkIntegration = !qEnvironmentVariableIsSet(
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kDisableGtkIntegration.utf8());
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if (!useGtkIntegration) {
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return nullptr;
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}
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static GtkIntegration instance;
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return &instance;
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}
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void GtkIntegration::load() {
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DEBUG_LOG(("Loading GTK"));
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QLibrary lib_gtk;
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lib_gtk.setLoadHints(QLibrary::DeepBindHint);
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if (LoadLibrary(lib_gtk, "gtk-3", 0)) {
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GtkLoaded = SetupGtkBase(lib_gtk);
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}
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if (!GtkLoaded
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&& !GtkTriedToInit
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&& LoadLibrary(lib_gtk, "gtk-x11-2.0", 0)) {
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GtkLoaded = SetupGtkBase(lib_gtk);
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}
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if (GtkLoaded) {
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_display_get_default", gdk_display_get_default);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_display_get_primary_monitor", gdk_display_get_primary_monitor);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_monitor_get_scale_factor", gdk_monitor_get_scale_factor);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_new_from_file_at_size", gdk_pixbuf_new_from_file_at_size);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_get_has_alpha", gdk_pixbuf_get_has_alpha);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_get_pixels", gdk_pixbuf_get_pixels);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_get_width", gdk_pixbuf_get_width);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_get_height", gdk_pixbuf_get_height);
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LOAD_GTK_SYMBOL(lib_gtk, "gdk_pixbuf_get_rowstride", gdk_pixbuf_get_rowstride);
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GdkHelperLoad(lib_gtk);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_dialog_get_widget_for_response", gtk_dialog_get_widget_for_response);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_button_set_label", gtk_button_set_label);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_button_get_type", gtk_button_get_type);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_app_chooser_dialog_new", gtk_app_chooser_dialog_new);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_app_chooser_get_app_info", gtk_app_chooser_get_app_info);
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LOAD_GTK_SYMBOL(lib_gtk, "gtk_app_chooser_get_type", gtk_app_chooser_get_type);
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SetScaleFactor();
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SetIconTheme();
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SetCursorSize();
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const auto settings = gtk_settings_get_default();
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g_signal_connect(
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settings,
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"notify::gtk-icon-theme-name",
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G_CALLBACK(SetIconTheme),
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nullptr);
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g_signal_connect(
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settings,
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"notify::gtk-theme-name",
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G_CALLBACK(DarkModeChanged),
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nullptr);
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g_signal_connect(
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settings,
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"notify::gtk-cursor-theme-size",
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G_CALLBACK(SetCursorSize),
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nullptr);
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if (checkVersion(3, 0, 0)) {
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g_signal_connect(
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settings,
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"notify::gtk-application-prefer-dark-theme",
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G_CALLBACK(DarkModeChanged),
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nullptr);
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}
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if (checkVersion(3, 12, 0)) {
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g_signal_connect(
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settings,
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"notify::gtk-decoration-layout",
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G_CALLBACK(DecorationLayoutChanged),
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nullptr);
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}
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} else {
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LOG(("Could not load gtk-3 or gtk-x11-2.0!"));
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}
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}
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bool GtkIntegration::loaded() const {
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return GtkLoaded;
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}
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bool GtkIntegration::checkVersion(uint major, uint minor, uint micro) const {
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return (loaded() && gtk_check_version != nullptr)
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? !gtk_check_version(major, minor, micro)
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: false;
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}
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std::optional<bool> GtkIntegration::getBoolSetting(
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const QString &propertyName) const {
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const auto value = GtkSetting<gboolean>(propertyName);
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if (!value.has_value()) {
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return std::nullopt;
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}
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DEBUG_LOG(("Getting GTK setting, %1: %2")
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.arg(propertyName)
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.arg(Logs::b(*value)));
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return *value;
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}
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std::optional<int> GtkIntegration::getIntSetting(
|
|
const QString &propertyName) const {
|
|
const auto value = GtkSetting<gint>(propertyName);
|
|
if (value.has_value()) {
|
|
DEBUG_LOG(("Getting GTK setting, %1: %2")
|
|
.arg(propertyName)
|
|
.arg(*value));
|
|
}
|
|
return value;
|
|
}
|
|
|
|
std::optional<QString> GtkIntegration::getStringSetting(
|
|
const QString &propertyName) const {
|
|
auto value = GtkSetting<gchararray>(propertyName);
|
|
if (!value.has_value()) {
|
|
return std::nullopt;
|
|
}
|
|
const auto str = QString::fromUtf8(*value);
|
|
g_free(*value);
|
|
DEBUG_LOG(("Getting GTK setting, %1: '%2'").arg(propertyName).arg(str));
|
|
return str;
|
|
}
|
|
|
|
std::optional<int> GtkIntegration::scaleFactor() const {
|
|
if (!loaded()
|
|
|| (gdk_display_get_default == nullptr)
|
|
|| (gdk_display_get_primary_monitor == nullptr)
|
|
|| (gdk_monitor_get_scale_factor == nullptr)) {
|
|
return std::nullopt;
|
|
}
|
|
|
|
return gdk_monitor_get_scale_factor(
|
|
gdk_display_get_primary_monitor(gdk_display_get_default()));
|
|
}
|
|
|
|
bool GtkIntegration::fileDialogSupported() const {
|
|
return FileDialog::Gtk::Supported();
|
|
}
|
|
|
|
bool GtkIntegration::useFileDialog(FileDialogType type) const {
|
|
return FileDialog::Gtk::Use(type);
|
|
}
|
|
|
|
bool GtkIntegration::getFileDialog(
|
|
QPointer<QWidget> parent,
|
|
QStringList &files,
|
|
QByteArray &remoteContent,
|
|
const QString &caption,
|
|
const QString &filter,
|
|
FileDialogType type,
|
|
QString startFile) const {
|
|
return FileDialog::Gtk::Get(
|
|
parent,
|
|
files,
|
|
remoteContent,
|
|
caption,
|
|
filter,
|
|
type,
|
|
startFile);
|
|
}
|
|
|
|
bool GtkIntegration::showOpenWithDialog(const QString &filepath) const {
|
|
return File::internal::ShowOpenWithDialog(filepath);
|
|
}
|
|
|
|
QImage GtkIntegration::getImageFromClipboard() const {
|
|
QImage data;
|
|
|
|
if (!GetImageFromClipboardSupported()) {
|
|
return data;
|
|
}
|
|
|
|
const auto clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
|
|
if (!clipboard) {
|
|
return data;
|
|
}
|
|
|
|
auto gsel = gtk_clipboard_wait_for_contents(
|
|
clipboard,
|
|
gdk_atom_intern("TARGETS", true));
|
|
|
|
if (gsel) {
|
|
if (gtk_selection_data_targets_include_image(gsel, false)) {
|
|
auto img = gtk_clipboard_wait_for_image(clipboard);
|
|
|
|
if (img) {
|
|
data = QImage(
|
|
gdk_pixbuf_get_pixels(img),
|
|
gdk_pixbuf_get_width(img),
|
|
gdk_pixbuf_get_height(img),
|
|
gdk_pixbuf_get_rowstride(img),
|
|
gdk_pixbuf_get_has_alpha(img)
|
|
? QImage::Format_RGBA8888
|
|
: QImage::Format_RGB888).copy();
|
|
|
|
g_object_unref(img);
|
|
}
|
|
}
|
|
|
|
gtk_selection_data_free(gsel);
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
} // namespace internal
|
|
} // namespace Platform
|