325 lines
16 KiB
C++
325 lines
16 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_libs.h"
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#include "base/platform/base_platform_info.h"
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#include "platform/linux/linux_gdk_helper.h"
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#include "platform/linux/linux_desktop_environment.h"
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#include "platform/linux/specific_linux.h"
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extern "C" {
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#include <X11/Xlib.h>
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}
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namespace Platform {
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namespace Libs {
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namespace {
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bool loadLibrary(QLibrary &lib, const char *name, int version) {
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DEBUG_LOG(("Loading '%1' with version %2...").arg(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(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(QLatin1String(name)).arg(version));
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return false;
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}
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#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
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template <typename T>
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T gtkSetting(const gchar *propertyName) {
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GtkSettings *settings = gtk_settings_get_default();
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T value;
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g_object_get(settings, propertyName, &value, nullptr);
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return value;
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}
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QString gtkSetting(const gchar *propertyName) {
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gchararray value = gtkSetting<gchararray>(propertyName);
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QString str = QString::fromUtf8(value);
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g_free(value);
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return str;
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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(lib_gtk, "gtk_init_check", gtk_init_check)) return false;
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if (!load(lib_gtk, "gtk_settings_get_default", gtk_settings_get_default)) return false;
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if (!load(lib_gtk, "gtk_menu_new", gtk_menu_new)) return false;
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if (!load(lib_gtk, "gtk_menu_get_type", gtk_menu_get_type)) return false;
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if (!load(lib_gtk, "gtk_menu_item_new_with_label", gtk_menu_item_new_with_label)) return false;
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if (!load(lib_gtk, "gtk_menu_item_set_label", gtk_menu_item_set_label)) return false;
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if (!load(lib_gtk, "gtk_menu_shell_append", gtk_menu_shell_append)) return false;
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if (!load(lib_gtk, "gtk_menu_shell_get_type", gtk_menu_shell_get_type)) return false;
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if (!load(lib_gtk, "gtk_widget_show", gtk_widget_show)) return false;
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if (!load(lib_gtk, "gtk_widget_hide", gtk_widget_hide)) return false;
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if (!load(lib_gtk, "gtk_widget_get_toplevel", gtk_widget_get_toplevel)) return false;
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if (!load(lib_gtk, "gtk_widget_get_visible", gtk_widget_get_visible)) return false;
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if (!load(lib_gtk, "gtk_widget_get_window", gtk_widget_get_window)) return false;
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if (!load(lib_gtk, "gtk_widget_set_sensitive", gtk_widget_set_sensitive)) return false;
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if (!load(lib_gtk, "gtk_widget_realize", gtk_widget_realize)) return false;
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if (!load(lib_gtk, "gtk_widget_hide_on_delete", gtk_widget_hide_on_delete)) return false;
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if (!load(lib_gtk, "gtk_widget_destroy", gtk_widget_destroy)) return false;
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if (!load(lib_gtk, "gtk_clipboard_get", gtk_clipboard_get)) return false;
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if (!load(lib_gtk, "gtk_clipboard_store", gtk_clipboard_store)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_dialog_new", gtk_file_chooser_dialog_new)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_get_type", gtk_file_chooser_get_type)) return false;
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if (!load(lib_gtk, "gtk_image_get_type", gtk_image_get_type)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_current_folder", gtk_file_chooser_set_current_folder)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_get_current_folder", gtk_file_chooser_get_current_folder)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_current_name", gtk_file_chooser_set_current_name)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_select_filename", gtk_file_chooser_select_filename)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_get_filenames", gtk_file_chooser_get_filenames)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_filter", gtk_file_chooser_set_filter)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_get_filter", gtk_file_chooser_get_filter)) return false;
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if (!load(lib_gtk, "gtk_window_get_type", gtk_window_get_type)) return false;
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if (!load(lib_gtk, "gtk_window_set_title", gtk_window_set_title)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_local_only", gtk_file_chooser_set_local_only)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_action", gtk_file_chooser_set_action)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_select_multiple", gtk_file_chooser_set_select_multiple)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_do_overwrite_confirmation", gtk_file_chooser_set_do_overwrite_confirmation)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_remove_filter", gtk_file_chooser_remove_filter)) return false;
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if (!load(lib_gtk, "gtk_file_filter_set_name", gtk_file_filter_set_name)) return false;
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if (!load(lib_gtk, "gtk_file_filter_add_pattern", gtk_file_filter_add_pattern)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_add_filter", gtk_file_chooser_add_filter)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_preview_widget", gtk_file_chooser_set_preview_widget)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_get_preview_filename", gtk_file_chooser_get_preview_filename)) return false;
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if (!load(lib_gtk, "gtk_file_chooser_set_preview_widget_active", gtk_file_chooser_set_preview_widget_active)) return false;
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if (!load(lib_gtk, "gtk_file_filter_new", gtk_file_filter_new)) return false;
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if (!load(lib_gtk, "gtk_image_new", gtk_image_new)) return false;
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if (!load(lib_gtk, "gtk_image_set_from_pixbuf", gtk_image_set_from_pixbuf)) return false;
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if (!load(lib_gtk, "gdk_window_set_modal_hint", gdk_window_set_modal_hint)) return false;
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if (!load(lib_gtk, "gdk_window_focus", gdk_window_focus)) return false;
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if (!load(lib_gtk, "gtk_dialog_get_type", gtk_dialog_get_type)) return false;
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if (!load(lib_gtk, "gtk_dialog_run", gtk_dialog_run)) return false;
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if (!load(lib_gtk, "g_type_check_instance_cast", g_type_check_instance_cast)) return false;
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if (!load(lib_gtk, "g_type_check_instance_is_a", g_type_check_instance_is_a)) return false;
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if (!load(lib_gtk, "g_signal_connect_data", g_signal_connect_data)) return false;
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if (!load(lib_gtk, "g_signal_handler_disconnect", g_signal_handler_disconnect)) return false;
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if (!load(lib_gtk, "g_object_get", g_object_get)) return false;
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if (!load(lib_gtk, "g_object_ref_sink", g_object_ref_sink)) return false;
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if (!load(lib_gtk, "g_object_unref", g_object_unref)) return false;
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if (!load(lib_gtk, "g_free", g_free)) return false;
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if (!load(lib_gtk, "g_list_foreach", g_list_foreach)) return false;
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if (!load(lib_gtk, "g_list_free", g_list_free)) return false;
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if (!load(lib_gtk, "g_list_free_full", g_list_free_full)) return false;
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if (!load(lib_gtk, "g_error_free", g_error_free)) return false;
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if (!load(lib_gtk, "g_slist_free", g_slist_free)) return false;
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if (!load(lib_gtk, "g_log_set_handler", g_log_set_handler)) return false;
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if (!load(lib_gtk, "g_log_default_handler", g_log_default_handler)) return false;
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if (load(lib_gtk, "gdk_set_allowed_backends", gdk_set_allowed_backends)) {
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// We work only with X11 GDK backend.
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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(Platform::IsWayland() && !lib_gtk.fileName().contains("gtk-x11-2.0")) {
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DEBUG_LOG(("Limit allowed GDK backends to wayland"));
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gdk_set_allowed_backends("wayland");
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} else {
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DEBUG_LOG(("Limit allowed GDK backends to x11"));
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gdk_set_allowed_backends("x11");
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}
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}
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// gtk_init will reset the Xlib error handler, and that causes
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// Qt applications to quit on X errors. Therefore, we need to manually restore it.
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int (*oldErrorHandler)(Display *, XErrorEvent *) = XSetErrorHandler(nullptr);
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DEBUG_LOG(("Library gtk functions loaded!"));
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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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XSetErrorHandler(oldErrorHandler);
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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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#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
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} // namespace
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#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
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f_gtk_init_check gtk_init_check = nullptr;
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f_gtk_settings_get_default gtk_settings_get_default = nullptr;
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f_gtk_menu_new gtk_menu_new = nullptr;
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f_gtk_menu_get_type gtk_menu_get_type = nullptr;
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f_gtk_menu_item_new_with_label gtk_menu_item_new_with_label = nullptr;
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f_gtk_menu_item_set_label gtk_menu_item_set_label = nullptr;
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f_gtk_menu_shell_append gtk_menu_shell_append = nullptr;
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f_gtk_menu_shell_get_type gtk_menu_shell_get_type = nullptr;
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f_gtk_widget_show gtk_widget_show = nullptr;
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f_gtk_widget_hide gtk_widget_hide = nullptr;
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f_gtk_widget_get_toplevel gtk_widget_get_toplevel = nullptr;
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f_gtk_widget_get_visible gtk_widget_get_visible = nullptr;
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f_gtk_widget_get_window gtk_widget_get_window = nullptr;
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f_gtk_widget_set_sensitive gtk_widget_set_sensitive = nullptr;
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f_gtk_widget_realize gtk_widget_realize = nullptr;
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f_gtk_widget_hide_on_delete gtk_widget_hide_on_delete = nullptr;
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f_gtk_widget_destroy gtk_widget_destroy = nullptr;
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f_gtk_clipboard_get gtk_clipboard_get = nullptr;
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f_gtk_clipboard_store gtk_clipboard_store = nullptr;
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f_gtk_file_chooser_dialog_new gtk_file_chooser_dialog_new = nullptr;
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f_gtk_file_chooser_get_type gtk_file_chooser_get_type = nullptr;
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f_gtk_image_get_type gtk_image_get_type = nullptr;
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f_gtk_file_chooser_set_current_folder gtk_file_chooser_set_current_folder = nullptr;
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f_gtk_file_chooser_get_current_folder gtk_file_chooser_get_current_folder = nullptr;
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f_gtk_file_chooser_set_current_name gtk_file_chooser_set_current_name = nullptr;
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f_gtk_file_chooser_select_filename gtk_file_chooser_select_filename = nullptr;
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f_gtk_file_chooser_get_filenames gtk_file_chooser_get_filenames = nullptr;
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f_gtk_file_chooser_set_filter gtk_file_chooser_set_filter = nullptr;
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f_gtk_file_chooser_get_filter gtk_file_chooser_get_filter = nullptr;
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f_gtk_window_get_type gtk_window_get_type = nullptr;
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f_gtk_window_set_title gtk_window_set_title = nullptr;
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f_gtk_file_chooser_set_local_only gtk_file_chooser_set_local_only = nullptr;
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f_gtk_file_chooser_set_action gtk_file_chooser_set_action = nullptr;
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f_gtk_file_chooser_set_select_multiple gtk_file_chooser_set_select_multiple = nullptr;
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f_gtk_file_chooser_set_do_overwrite_confirmation gtk_file_chooser_set_do_overwrite_confirmation = nullptr;
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f_gtk_file_chooser_remove_filter gtk_file_chooser_remove_filter = nullptr;
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f_gtk_file_filter_set_name gtk_file_filter_set_name = nullptr;
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f_gtk_file_filter_add_pattern gtk_file_filter_add_pattern = nullptr;
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f_gtk_file_chooser_add_filter gtk_file_chooser_add_filter = nullptr;
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f_gtk_file_chooser_set_preview_widget gtk_file_chooser_set_preview_widget = nullptr;
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f_gtk_file_chooser_get_preview_filename gtk_file_chooser_get_preview_filename = nullptr;
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f_gtk_file_chooser_set_preview_widget_active gtk_file_chooser_set_preview_widget_active = nullptr;
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f_gtk_file_filter_new gtk_file_filter_new = nullptr;
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f_gtk_image_new gtk_image_new = nullptr;
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f_gtk_image_set_from_pixbuf gtk_image_set_from_pixbuf = nullptr;
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f_gtk_dialog_get_widget_for_response gtk_dialog_get_widget_for_response = nullptr;
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f_gtk_button_set_label gtk_button_set_label = nullptr;
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f_gtk_button_get_type gtk_button_get_type = nullptr;
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f_gdk_set_allowed_backends gdk_set_allowed_backends = nullptr;
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f_gdk_window_set_modal_hint gdk_window_set_modal_hint = nullptr;
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f_gdk_window_focus gdk_window_focus = nullptr;
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f_gtk_dialog_get_type gtk_dialog_get_type = nullptr;
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f_gtk_dialog_run gtk_dialog_run = nullptr;
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f_g_type_check_instance_cast g_type_check_instance_cast = nullptr;
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f_g_type_check_instance_is_a g_type_check_instance_is_a = nullptr;
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f_g_signal_connect_data g_signal_connect_data = nullptr;
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f_g_signal_handler_disconnect g_signal_handler_disconnect = nullptr;
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f_gdk_init_check gdk_init_check = nullptr;
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f_gdk_pixbuf_new_from_data gdk_pixbuf_new_from_data = nullptr;
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f_gdk_pixbuf_new_from_file gdk_pixbuf_new_from_file = nullptr;
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f_gdk_pixbuf_new_from_file_at_size gdk_pixbuf_new_from_file_at_size = nullptr;
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f_gtk_status_icon_new_from_pixbuf gtk_status_icon_new_from_pixbuf = nullptr;
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f_gtk_status_icon_set_from_pixbuf gtk_status_icon_set_from_pixbuf = nullptr;
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f_gtk_status_icon_new_from_file gtk_status_icon_new_from_file = nullptr;
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f_gtk_status_icon_set_from_file gtk_status_icon_set_from_file = nullptr;
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f_gtk_status_icon_set_title gtk_status_icon_set_title = nullptr;
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f_gtk_status_icon_set_tooltip_text gtk_status_icon_set_tooltip_text = nullptr;
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f_gtk_status_icon_set_visible gtk_status_icon_set_visible = nullptr;
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f_gtk_status_icon_is_embedded gtk_status_icon_is_embedded = nullptr;
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f_gtk_status_icon_get_geometry gtk_status_icon_get_geometry = nullptr;
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f_gtk_status_icon_position_menu gtk_status_icon_position_menu = nullptr;
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f_gtk_menu_popup gtk_menu_popup = nullptr;
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f_gtk_get_current_event_time gtk_get_current_event_time = nullptr;
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f_g_object_get g_object_get = nullptr;
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f_g_object_ref_sink g_object_ref_sink = nullptr;
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f_g_object_unref g_object_unref = nullptr;
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f_g_idle_add g_idle_add = nullptr;
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f_g_free g_free = nullptr;
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f_g_list_foreach g_list_foreach = nullptr;
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f_g_list_free g_list_free = nullptr;
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f_g_list_free_full g_list_free_full = nullptr;
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f_g_error_free g_error_free = nullptr;
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f_g_slist_free g_slist_free = nullptr;
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f_g_log_set_handler g_log_set_handler = nullptr;
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f_g_log_default_handler g_log_default_handler = nullptr;
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#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
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void start() {
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#ifndef TDESKTOP_DISABLE_GTK_INTEGRATION
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DEBUG_LOG(("Loading libraries"));
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bool gtkLoaded = false;
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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 && 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(lib_gtk, "gdk_init_check", gdk_init_check);
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load(lib_gtk, "gdk_pixbuf_new_from_data", gdk_pixbuf_new_from_data);
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load(lib_gtk, "gdk_pixbuf_new_from_file", gdk_pixbuf_new_from_file);
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load(lib_gtk, "gdk_pixbuf_new_from_file_at_size", gdk_pixbuf_new_from_file_at_size);
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load(lib_gtk, "gtk_status_icon_new_from_pixbuf", gtk_status_icon_new_from_pixbuf);
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load(lib_gtk, "gtk_status_icon_set_from_pixbuf", gtk_status_icon_set_from_pixbuf);
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load(lib_gtk, "gtk_status_icon_new_from_file", gtk_status_icon_new_from_file);
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load(lib_gtk, "gtk_status_icon_set_from_file", gtk_status_icon_set_from_file);
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load(lib_gtk, "gtk_status_icon_set_title", gtk_status_icon_set_title);
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load(lib_gtk, "gtk_status_icon_set_tooltip_text", gtk_status_icon_set_tooltip_text);
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load(lib_gtk, "gtk_status_icon_set_visible", gtk_status_icon_set_visible);
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load(lib_gtk, "gtk_status_icon_is_embedded", gtk_status_icon_is_embedded);
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load(lib_gtk, "gtk_status_icon_get_geometry", gtk_status_icon_get_geometry);
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load(lib_gtk, "gtk_status_icon_position_menu", gtk_status_icon_position_menu);
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load(lib_gtk, "gtk_menu_popup", gtk_menu_popup);
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load(lib_gtk, "gtk_get_current_event_time", gtk_get_current_event_time);
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load(lib_gtk, "g_idle_add", g_idle_add);
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internal::GdkHelperLoad(lib_gtk);
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load(lib_gtk, "gtk_dialog_get_widget_for_response", gtk_dialog_get_widget_for_response);
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load(lib_gtk, "gtk_button_set_label", gtk_button_set_label);
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load(lib_gtk, "gtk_button_get_type", gtk_button_get_type);
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// change the icon theme only if 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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if ((((QIcon::themeName() == qstr("hicolor") // QGenericUnixTheme
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&& QIcon::fallbackThemeName() == qstr("hicolor"))
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|| (QIcon::themeName() == qstr("Adwaita") // QGnomeTheme
|
|
&& QIcon::fallbackThemeName() == qstr("gnome")))
|
|
&& DesktopEnvironment::IsGtkBased())
|
|
|| IsGtkIntegrationForced()) {
|
|
DEBUG_LOG(("Set GTK icon theme"));
|
|
QIcon::setThemeName(gtkSetting("gtk-icon-theme-name"));
|
|
QIcon::setFallbackThemeName(gtkSetting("gtk-fallback-icon-theme"));
|
|
}
|
|
} else {
|
|
LOG(("Could not load gtk-3 or gtk-x11-2.0!"));
|
|
}
|
|
#endif // !TDESKTOP_DISABLE_GTK_INTEGRATION
|
|
}
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|
|
|
} // namespace Libs
|
|
} // namespace Platform
|