Fix #926: Use system background color in window mode
[geeqie.git] / src / main.c
index 03aef4c..c117f71 100644 (file)
 #include "filedata.h"
 #include "filefilter.h"
 #include "history_list.h"
+#include "image.h"
 #include "image-overlay.h"
+#include "img-view.h"
 #include "layout.h"
 #include "layout_image.h"
 #include "layout_util.h"
+#include "misc.h"
 #include "options.h"
+#include "rcfile.h"
 #include "remote.h"
 #include "secure_save.h"
 #include "similar.h"
 #include "histogram.h"
 #include "pixbuf_util.h"
 #include "glua.h"
+#include "whereami.h"
 
 #ifdef HAVE_CLUTTER
 #include <clutter-gtk/clutter-gtk.h>
 #endif
 
+#ifdef HAVE_GTHREAD
+/** @FIXME see below */
+#include <X11/Xlib.h>
+#endif
+
+/**
+ * @page diagrams Diagrams
+ * @section options_overview Options Overview
+ * 
+ * #_ConfOptions  #_LayoutOptions
+ * 
+ * @startuml
+ * 
+ * object options.h
+ * object typedefs.h
+ * 
+ * options.h : ConfOptions
+ * options.h : \n
+ * options.h : Options applicable to **all** Layout Windows
+ * options.h : These are in the <global> section of geeqierc.xml
+ * options.h : Available to all modules via the global variable **options**
+ * typedefs.h : LayoutOptions
+ * typedefs.h : \n
+ * typedefs.h : Options applicable to **each** Layout Window
+ * typedefs.h : These are in the <layout> section of geeqierc.xml
+ * typedefs.h : There is one <layout> section for each Layout Window displayed
+ * typedefs.h : Available via **<layout_window>->options**
+ * 
+ * @enduml
+ */
+
+/**
+ * @page diagrams Diagrams
+ * @section options_diagrams_main Options - New Window From Main
+ * #main  
+ * #init_options  
+ * #layout_new_from_default  
+ * #load_config_from_file  
+ * #load_options  
+ * #setup_default_options
+ * 
+ * @startuml
+ * group main.c
+ * start
+ * group options.c
+ * : **init_options()**
+ * 
+ * Set **options** = ConfOptions from hard-coded init values;
+ * end group
+ * 
+ * group options.c
+ * : **setup_default_options()**
+ * 
+ * set hard-coded ConfOptions:
+ * 
+ * bookmarks:
+ * * dot dir
+ * * Home
+ * * Desktop
+ * * Collections
+ * safe delete path
+ * OSD template string
+ * sidecar extensions
+ * shell path and options
+ * marks tooltips
+ * help search engine;
+ * end group
+ * 
+ * if (first entry
+ * or
+ * --new-instance) then (yes)
+ * group options.c
+ * : **load_options()**
+ * ;
+ * 
+ * split
+ * : GQ_SYSTEM_WIDE_DIR
+ * /geeqierc.xml;
+ * split again
+ * : XDG_CONFIG_HOME
+ * /geeqierc.xml;
+ * split again
+ * : HOME
+ * /.geeqie/geeqierc.xml;
+ * end split
+ * 
+ * group rcfile.c
+ * : **load_config_from_file()**
+ * 
+ * set  **options** from file
+ * and all <layout window>->options  in file;
+ * end group
+ * 
+ * end group
+ * 
+ * if (broken config. file
+ * or no config file
+ * or no layout section loaded
+ * (i.e. session not saved)) then (yes)
+ * group layout.c
+ * : **layout_new_from_default()**;
+ * if (default.xml exists) then (yes)
+ * : Load user-saved
+ *  layout_window default options
+ *  from default.xml file;
+ * else (no)
+ * : Load hard-coded
+ *  layout_window default options;
+ * endif
+ * end group
+ * endif
+ * 
+ * else (no)
+ * : Send --new-window request to remote
+ *  No return to this point
+ *  This instance terminates;
+ * stop
+ * endif
+ * 
+ * : Enter gtk main loop;
+ * 
+ * end group
+ * @enduml
+ */
+
+/**
+ * @page diagrams Diagrams
+ * @section options_diagrams_remote Options - New Window From Remote
+ * #layout_new_from_default  
+ * @startuml
+ * 
+ * group remote.c
+ * start
+ * group layout.c
+ * : **layout_new_from_default()**;
+ * if (default.xml exists) then (yes)
+ * : Load user-saved
+ *  layout_window default options
+ *  from default.xml file;
+ * else (no)
+ * : Load hard-coded
+ *  layout_window default options;
+ * endif
+ * end group
+ * : set path from PWD;
+ * @enduml
+ */
+
+/**
+ * @page diagrams Diagrams
+ * @section options_diagrams_menu Options - New Window From Menu
+ * #layout_menu_new_window_cb  
+ * #layout_menu_window_from_current_cb  
+ * #layout_new_from_default  
+ * @startuml
+ * 
+ * group layout_util.c
+ * start
+ * 
+ * split
+ * : default;
+ * group layout.c
+ * : **layout_new_from_default()**;
+ * if (default.xml exists) then (yes)
+ * : Load user-saved
+ *  layout_window default options
+ *  from default.xml file;
+ * else (no)
+ * : Load hard-coded
+ *  layout_window default options;
+ * endif
+ * end group
+ * 
+ * split again
+ * : from current
+ * 
+ * **layout_menu_window_from_current_cb()**
+ * copy layout_window options
+ * from current window;
+ * 
+ * split again
+ * : named
+ * 
+ * **layout_menu_new_window_cb()**
+ * load layout_window options
+ * from saved xml file list;
+ * end split
+ * 
+ * end group
+ * @enduml
+ */
+  /**
+  * @file
+  * @ref options_overview Options Overview
+  */
+
 
 gboolean thumb_format_changed = FALSE;
 static RemoteConnection *remote_connection = NULL;
 
+gchar *gq_prefix;
+gchar *gq_localedir;
+gchar *gq_helpdir;
+gchar *gq_htmldir;
+gchar *gq_app_dir;
+gchar *gq_bin_dir;
+gchar *gq_executable_path;
+gchar *desktop_file_template;
+gchar *instance_identifier;
+
 /*
  *-----------------------------------------------------------------------------
  * keyboard functions
@@ -134,7 +345,7 @@ static void parse_command_line_add_file(const gchar *file_path, gchar **path, gc
                {
                if (!*path) *path = remove_level_from_path(path_parsed);
                if (!*file) *file = g_strdup(path_parsed);
-               *list = g_list_prepend(*list, file_data_new_group(path_parsed));
+               *list = g_list_prepend(*list, path_parsed);
                }
 }
 
@@ -224,6 +435,9 @@ static void parse_command_line(gint argc, gchar *argv[])
        gchar *app_lock;
        gchar *pwd;
        gchar *current_dir;
+       gchar *geometry = NULL;
+       GtkWidget *dialog_warning;
+       GString *command_line_errors = g_string_new(NULL);
 
        command_line = g_new0(CommandLine, 1);
 
@@ -259,6 +473,9 @@ static void parse_command_line(gint argc, gchar *argv[])
                                parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
                                                                &list, &command_line->collection_list, &first_dir);
                                }
+                       else if (download_web_file(cmd_line, FALSE, NULL))
+                               {
+                               }
                        else if (is_collection(cmd_line))
                                {
                                gchar *path = NULL;
@@ -272,6 +489,10 @@ static void parse_command_line(gint argc, gchar *argv[])
                                {
                                /* do nothing but do not produce warnings */
                                }
+                       else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
+                               {
+                               /* do nothing but do not produce warnings */
+                               }
                        else if (strcmp(cmd_line, "+t") == 0 ||
                                 strcmp(cmd_line, "--with-tools") == 0)
                                {
@@ -335,6 +556,14 @@ static void parse_command_line(gint argc, gchar *argv[])
                                {
                                set_regexp(g_strdup(cmd_line+3));
                                }
+                       else if (strncmp(cmd_line, "-n", 2) == 0)
+                               {
+                               command_line->new_instance = TRUE;
+                               }
+                       else if (strncmp(cmd_line, "--new-instance", 14) == 0)
+                               {
+                               command_line->new_instance = TRUE;
+                               }
                        else if (strcmp(cmd_line, "-rh") == 0 ||
                                 strcmp(cmd_line, "--remote-help") == 0)
                                {
@@ -348,7 +577,7 @@ static void parse_command_line(gint argc, gchar *argv[])
                        else if (strcmp(cmd_line, "-v") == 0 ||
                                 strcmp(cmd_line, "--version") == 0)
                                {
-                               printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
+                               printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
                                exit(0);
                                }
                        else if (strcmp(cmd_line, "--alternate") == 0)
@@ -370,6 +599,7 @@ static void parse_command_line(gint argc, gchar *argv[])
                                print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
                                print_term(FALSE, _("      --blank                      start with blank file list\n"));
                                print_term(FALSE, _("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
+                               print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie\n"));
                                print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
                                print_term(FALSE, _("  -rh,--remote-help                print remote command list\n"));
 #ifdef DEBUG
@@ -379,7 +609,9 @@ static void parse_command_line(gint argc, gchar *argv[])
                                print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
                                print_term(FALSE, _("  -o:<file>, --log-file:<file>     save log data to file\n"));
                                print_term(FALSE, _("  -v, --version                    print version info\n"));
-                               print_term(FALSE, _("  -h, --help                       show this message\n\n"));
+                               print_term(FALSE, _("  -h, --help                       show this message\n"));
+                               print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
+                               print_term(FALSE, _("      --cache-maintenance <path>   run cache maintenance in non-GUI mode\n\n"));
 
 #if 0
                                /* these options are not officially supported!
@@ -392,13 +624,28 @@ static void parse_command_line(gint argc, gchar *argv[])
                                }
                        else if (!remote_do)
                                {
-                               printf_term(TRUE, _("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
+                               command_line_errors = g_string_append(command_line_errors, cmd_line);
+                               command_line_errors = g_string_append(command_line_errors, "\n");
                                }
 
                        g_free(cmd_all);
                        g_free(cmd_line);
                        i++;
                        }
+
+               if (command_line_errors->len > 0)
+                       {
+                       dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
+                       gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
+                       gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
+                       gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
+                       gtk_dialog_run(GTK_DIALOG(dialog_warning));
+                       gtk_widget_destroy(dialog_warning);
+                       g_string_free(command_line_errors, TRUE);
+
+                       exit(EXIT_FAILURE);
+                       }
+
                g_free(base_dir);
                parse_out_relatives(command_line->path);
                parse_out_relatives(command_line->file);
@@ -415,16 +662,24 @@ static void parse_command_line(gint argc, gchar *argv[])
                }
        g_free(first_dir);
 
-       /* If Geeqie is already running, prevent a second instance
-        * from being started. Open a new window instead.
-        */
-       app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
-       if (remote_server_exists(app_lock) && !remote_do)
+       if (!command_line->new_instance)
                {
-               remote_do = TRUE;
-               remote_list = g_list_append(remote_list, "--new-window");
-       }
-       g_free(app_lock);
+               /* If Geeqie is already running, prevent a second instance
+                * from being started. Open a new window instead.
+                */
+               app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
+               if (remote_server_exists(app_lock) && !remote_do)
+                       {
+                       remote_do = TRUE;
+                       if (command_line->geometry)
+                               {
+                               geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
+                               remote_list = g_list_prepend(remote_list, geometry);
+                               }
+                       remote_list = g_list_prepend(remote_list, "--new-window");
+                       }
+               g_free(app_lock);
+               }
 
        if (remote_do)
                {
@@ -432,16 +687,24 @@ static void parse_command_line(gint argc, gchar *argv[])
                        {
                        GList *work = remote_errors;
 
-                       printf_term(TRUE,_("Invalid or ignored remote options: "));
                        while (work)
                                {
                                gchar *opt = work->data;
 
-                               printf_term(TRUE, "%s%s", (work == remote_errors) ? "" : ", ", opt);
+                               command_line_errors = g_string_append(command_line_errors, opt);
+                               command_line_errors = g_string_append(command_line_errors, "\n");
                                work = work->next;
                                }
 
-                       printf_term(TRUE, _("\nUse --remote-help for valid remote options.\n"));
+                       dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
+                       gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
+                       gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
+                       gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
+                       gtk_dialog_run(GTK_DIALOG(dialog_warning));
+                       gtk_widget_destroy(dialog_warning);
+                       g_string_free(command_line_errors, TRUE);
+
+                       exit(EXIT_FAILURE);
                        }
 
                /* prepend the current dir the remote command was made from,
@@ -452,9 +715,12 @@ static void parse_command_line(gint argc, gchar *argv[])
                remote_list = g_list_prepend(remote_list, pwd);
 
                remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
+               /* There is no return to this point
+                */
                g_free(pwd);
                g_free(current_dir);
                }
+       g_free(geometry);
        g_list_free(remote_list);
 
        if (list && list->next)
@@ -463,7 +729,7 @@ static void parse_command_line(gint argc, gchar *argv[])
                }
        else
                {
-               filelist_free(list);
+               string_list_free(list);
                command_line->cmd_list = NULL;
                }
 
@@ -514,6 +780,120 @@ static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 #endif
 }
 
+#ifdef HAVE_CLUTTER
+static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
+{
+       const gchar *clutter_option = "--disable-clutter";
+       gint len = strlen(clutter_option);
+       gboolean ret = FALSE;
+
+       if (argc > 1)
+               {
+               gint i;
+
+               for (i = 1; i < argc; i++)
+                       {
+                       const gchar *cmd_line = argv[i];
+                       if (strncmp(cmd_line, clutter_option, len) == 0)
+                               {
+                               ret = TRUE;
+                               }
+                       }
+               }
+
+       return ret;
+}
+#endif
+
+static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
+{
+       const gchar *cache_maintenance_option = "--cache-maintenance";
+       gint len = strlen(cache_maintenance_option);
+       gboolean ret = FALSE;
+
+       if (argc >= 2)
+               {
+               const gchar *cmd_line = argv[1];
+               if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
+                       {
+                       ret = TRUE;
+                       }
+               }
+
+       return ret;
+}
+
+static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
+{
+       gchar *rc_path;
+       gchar *folder_path = NULL;
+       gsize size;
+       gsize i = 0;
+       gchar *buf_config_file;
+       gint diff_count;
+
+       if (argc >= 3)
+               {
+               folder_path = expand_tilde(argv[2]);
+
+               if (isdir(folder_path))
+                       {
+                       rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
+
+                       if (isfile(rc_path))
+                               {
+                               if (g_file_get_contents(rc_path, &buf_config_file, &size, NULL))
+                                       {
+                                       while (i < size)
+                                               {
+                                               diff_count = strncmp("</global>", &buf_config_file[i], 9);
+                                               if (diff_count == 0)
+                                                       {
+                                                       break;
+                                                       }
+                                               i++;
+                                               }
+                                       /* Load only the <global> section */
+                                       load_config_from_buf(buf_config_file, i + 9, FALSE);
+
+                                       if (options->thumbnails.enable_caching)
+                                               {
+                                               cache_maintenance(folder_path);
+                                               }
+                                       else
+                                               {
+                                               print_term(TRUE, "Caching not enabled\n");
+                                               exit(EXIT_FAILURE);
+                                               }
+                                       g_free(buf_config_file);
+                                       }
+                               else
+                                       {
+                                       print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
+                                       exit(EXIT_FAILURE);
+                                       }
+                               }
+                       else
+                               {
+                               print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
+                               exit(EXIT_FAILURE);
+                               }
+                       g_free(rc_path);
+                       }
+               else
+                       {
+                       print_term(TRUE, g_strconcat(argv[2], _(" is not a folder\n"), NULL));
+                       exit(EXIT_FAILURE);
+                       }
+               g_free(folder_path);
+               }
+       else
+               {
+               print_term(TRUE, _("No path parameter given\n"));
+               exit(EXIT_FAILURE);
+               }
+}
+
 /*
  *-----------------------------------------------------------------------------
  * startup, init, and exit
@@ -526,7 +906,7 @@ static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 static void setup_env_path(void)
 {
        const gchar *old_path = g_getenv("PATH");
-       gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
+       gchar *path = g_strconcat(gq_bin_dir, ":", old_path, NULL);
         g_setenv("PATH", path, TRUE);
        g_free(path);
 }
@@ -698,6 +1078,10 @@ static void gtkrc_load(void)
 static void exit_program_final(void)
 {
        LayoutWindow *lw = NULL;
+       GList *list;
+       LayoutWindow *tmp_lw;
+       gchar *archive_dir;
+       GFile *archive_file;
 
         /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
        layout_editors_reload_finish();
@@ -706,6 +1090,21 @@ static void exit_program_final(void)
 
        collect_manager_flush();
 
+       /* Save the named windows */
+       if (layout_window_list && layout_window_list->next)
+               {
+               list = layout_window_list;
+               while (list)
+                       {
+                       tmp_lw = list->data;
+                       if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
+                               {
+                               save_layout(list->data);
+                               }
+                       list = list->next;
+                       }
+               }
+
        save_options(options);
        keys_save();
        accel_map_save();
@@ -715,6 +1114,27 @@ static void exit_program_final(void)
                layout_free(lw);
                }
 
+       /* Delete any files/folders in /tmp that have been created by the open archive function */
+       archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
+       if (isdir(archive_dir))
+               {
+               archive_file = g_file_new_for_path(archive_dir);
+               rmdir_recursive(archive_file, NULL, NULL);
+               g_free(archive_dir);
+               g_object_unref(archive_file);
+               }
+
+       /* If there are still sub-dirs created by another instance, this will fail
+        * but that does not matter */
+       archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
+       if (isdir(archive_dir))
+               {
+               archive_file = g_file_new_for_path(archive_dir);
+               g_file_delete(archive_file, NULL, NULL);
+               g_free(archive_dir);
+               g_object_unref(archive_file);
+               }
+
        secure_close(command_line->ssi);
 
        gtk_main_quit();
@@ -798,7 +1218,7 @@ void exit_program(void)
  * crash otherwise.
  * Ideas for improvement are welcome ;)
  */
-/* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
+/** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
 
 #if defined(SIGBUS) && defined(SA_SIGINFO)
 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
@@ -821,12 +1241,93 @@ static void setup_sigbus_handler(void)
 #endif
 }
 
+static void set_theme_bg_color()
+{
+#if GTK_CHECK_VERSION(3,0,0)
+       GdkRGBA bg_color;
+       GdkColor theme_color;
+       GtkStyleContext *style_context;
+       GList *work;
+       LayoutWindow *lw;
+
+       if (!options->image.use_custom_border_color)
+               {
+               work = layout_window_list;
+               lw = work->data;
+
+               style_context = gtk_widget_get_style_context(lw->window);
+               gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
+
+               theme_color.red = bg_color.red * 65535;
+               theme_color.green = bg_color.green * 65535;
+               theme_color.blue = bg_color.blue * 65535;
+
+               while (work)
+                       {
+                       lw = work->data;
+                       image_background_set_color(lw->image, &theme_color);
+                       work = work->next;
+                       }
+               }
+
+       view_window_colors_update();
+#endif
+}
+
+static gboolean theme_change_cb(GObject *gobject, GParamSpec *pspec, gpointer data)
+{
+       set_theme_bg_color();
+
+       return FALSE;
+}
+
+/**
+ * @brief Set up the application paths
+ * 
+ * This function is required for use of AppImages. AppImages are
+ * relocatable, and therefore cannot use fixed paths to various components.
+ * These paths were originally #defines created during compilation.
+ * They are now variables, all defined relative to one level above the
+ * directory that the executable is run from.
+ */
+static void create_application_paths(gchar *argv[])
+{
+       gchar *dirname;
+       gchar *tmp;
+       gint length;
+       gchar *path;
+
+       length = wai_getExecutablePath(NULL, 0, NULL);
+       path = (gchar *)malloc(length + 1);
+       wai_getExecutablePath(path, length, NULL);
+       path[length] = '\0';
+
+       gq_executable_path = g_strdup(path);
+       dirname = g_path_get_dirname(gq_executable_path); // default is /usr/bin/
+       gq_prefix = g_path_get_dirname(dirname);
+
+       gq_localedir = g_build_filename(gq_prefix, "share", "locale", NULL);
+       tmp = g_build_filename(gq_prefix, "share", "doc", NULL);
+       gq_helpdir = g_strconcat(tmp, G_DIR_SEPARATOR_S, "geeqie-", VERSION, NULL);
+       gq_htmldir = g_build_filename(gq_helpdir, "html", NULL);
+       gq_app_dir = g_build_filename(gq_prefix, "share", "geeqie", NULL);
+       gq_bin_dir = g_build_filename(gq_prefix, "lib", "geeqie", NULL);
+       desktop_file_template = g_build_filename(gq_app_dir, "template.desktop", NULL);
+
+       g_free(tmp);
+       g_free(dirname);
+       g_free(path);
+}
+
 gint main(gint argc, gchar *argv[])
 {
        CollectionData *first_collection = NULL;
        gchar *buf;
        CollectionData *cd = NULL;
-       gchar *app_lock;
+       gboolean disable_clutter = FALSE;
+       gboolean single_dir = TRUE;
+       LayoutWindow *lw;
+       GtkSettings *default_settings;
 
 #ifdef HAVE_GTHREAD
 #if !GLIB_CHECK_VERSION(2,32,0)
@@ -840,11 +1341,13 @@ gint main(gint argc, gchar *argv[])
        /* init execution time counter (debug only) */
        init_exec_time();
 
+       create_application_paths(argv);
+
        /* setup locale, i18n */
        setlocale(LC_ALL, "");
 
 #ifdef ENABLE_NLS
-       bindtextdomain(PACKAGE, GQ_LOCALEDIR);
+       bindtextdomain(PACKAGE, gq_localedir);
        bind_textdomain_codeset(PACKAGE, "UTF-8");
        textdomain(PACKAGE);
 #endif
@@ -873,10 +1376,19 @@ gint main(gint argc, gchar *argv[])
        parse_command_line_for_debug_option(argc, argv);
        DEBUG_1("%s main: gtk_init", get_exec_time());
 #ifdef HAVE_CLUTTER
-       if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
+       if (parse_command_line_for_clutter_option(argc, argv))
+               {
+               disable_clutter = TRUE;
+               gtk_init(&argc, &argv);
+               }
+       else
                {
-               log_printf("Can't initialize clutter-gtk.\n");
-               exit(1);
+               if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
+                       {
+                       log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
+                       runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
+                       exit(1);
+                       }
                }
 #else
        gtk_init(&argc, &argv);
@@ -898,9 +1410,13 @@ gint main(gint argc, gchar *argv[])
        DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
        options = init_options(NULL);
        setup_default_options(options);
+       if (disable_clutter)
+               {
+               options->disable_gpu = TRUE;
+               }
 
-       DEBUG_1("%s main: parse_command_line", get_exec_time());
-       parse_command_line(argc, argv);
+       /* Generate a unique identifier used by the open archive function */
+       instance_identifier = g_strdup_printf("%x", g_random_int());
 
        DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
        /* these functions don't depend on config file */
@@ -908,119 +1424,203 @@ gint main(gint argc, gchar *argv[])
        mkdir_if_not_exists(get_collections_dir());
        mkdir_if_not_exists(get_thumbnails_cache_dir());
        mkdir_if_not_exists(get_metadata_cache_dir());
+       mkdir_if_not_exists(get_window_layouts_dir());
 
        setup_env_path();
 
-       keys_load();
-       accel_map_load();
-
-       /* restore session from the config file */
-
-
-       DEBUG_1("%s main: load_options", get_exec_time());
-       if (!load_options(options))
+       if (parse_command_line_for_cache_maintenance_option(argc, argv))
                {
-               /* load_options calls these functions after it parses global options, we have to call it here if it fails */
-               filter_add_defaults();
-               filter_rebuild();
+               process_command_line_for_cache_maintenance_option(argc, argv);
                }
-
-       /* handle missing config file and commandline additions*/
-       if (!layout_window_list)
+       else
                {
-               /* broken or no config file */
-               layout_new_from_config(NULL, NULL, TRUE);
-               }
+               DEBUG_1("%s main: parse_command_line", get_exec_time());
+               parse_command_line(argc, argv);
 
-       layout_editors_reload_start();
+               keys_load();
+               accel_map_load();
 
-       if (command_line->collection_list && !command_line->startup_command_line_collection)
-               {
-               GList *work;
+               /* restore session from the config file */
 
-               work = command_line->collection_list;
-               while (work)
+
+               DEBUG_1("%s main: load_options", get_exec_time());
+               if (!load_options(options))
                        {
-                       CollectWindow *cw;
-                       const gchar *path;
+                       /* load_options calls these functions after it parses global options, we have to call it here if it fails */
+                       filter_add_defaults();
+                       filter_rebuild();
+                       }
 
-                       path = work->data;
-                       work = work->next;
+       #ifdef HAVE_CLUTTER
+       /** @FIXME For the background of this see:
+        * https://github.com/BestImageViewer/geeqie/issues/397
+        * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
+        * system is liable to exhibit this problem.
+        * The user is provided with an override in Preferences/Behavior
+        */
+               if (!options->override_disable_gpu && !options->disable_gpu)
+                       {
+                       DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
+                       if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
+                               {
+                               options->disable_gpu = TRUE;
+                               }
+                       }
+       #endif
 
-                       cw = collection_window_new(path);
-                       if (!first_collection && cw) first_collection = cw->cd;
+               /* handle missing config file and commandline additions*/
+               if (!layout_window_list)
+                       {
+                       /* broken or no config file or no <layout> section */
+                       layout_new_from_default();
                        }
-               }
 
-       if (command_line->log_file)
-               {
-               gchar *pathl;
-               gchar *path = g_strdup(command_line->log_file);
+               layout_editors_reload_start();
 
-               pathl = path_from_utf8(path);
-               command_line->ssi = secure_open(pathl);
-               }
+               /* If no --list option, open a separate collection window for each
+                * .gqv file on the command line
+                */
+               if (command_line->collection_list && !command_line->startup_command_line_collection)
+                       {
+                       GList *work;
 
-       if (command_line->cmd_list ||
-           (command_line->startup_command_line_collection && command_line->collection_list))
-               {
-               GList *work;
+                       work = command_line->collection_list;
+                       while (work)
+                               {
+                               CollectWindow *cw;
+                               const gchar *path;
 
-               if (command_line->startup_command_line_collection)
-                       {
-                       CollectWindow *cw;
+                               path = work->data;
+                               work = work->next;
 
-                       cw = collection_window_new("");
-                       cd = cw->cd;
+                               cw = collection_window_new(path);
+                               if (!first_collection && cw) first_collection = cw->cd;
+                               }
                        }
-               else
+
+               if (command_line->log_file)
                        {
-                       cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
+                       gchar *pathl;
+                       gchar *path = g_strdup(command_line->log_file);
+
+                       pathl = path_from_utf8(path);
+                       command_line->ssi = secure_open(pathl);
                        }
 
-               g_free(cd->path);
-               cd->path = NULL;
-               g_free(cd->name);
-               cd->name = g_strdup(_("Command line"));
+               /* If there is a files list on the command line and no --list option,
+                * check if they are all in the same folder
+                */
+               if (command_line->cmd_list && !(command_line->startup_command_line_collection))
+                       {
+                       GList *work;
+                       gchar *path = NULL;
 
-               collection_path_changed(cd);
+                       work = command_line->cmd_list;
 
-               work = command_line->cmd_list;
-               while (work)
-                       {
-                       collection_add(cd, (FileData *)work->data, FALSE);
-                       work = work->next;
+                       while (work && single_dir)
+                               {
+                               gchar *dirname;
+
+                               dirname = g_path_get_dirname(work->data);
+                               if (!path)
+                                       {
+                                       path = g_strdup(dirname);
+                                       }
+                               else
+                                       {
+                                       if (g_strcmp0(path, dirname) != 0)
+                                               {
+                                               single_dir = FALSE;
+                                               }
+                                       }
+                               g_free(dirname);
+                               work = work->next;
+                               }
+                       g_free(path);
                        }
 
-               work = command_line->collection_list;
-               while (work)
+               /* Files from multiple folders, or --list option given
+                * then open an unnamed collection and insert all files
+                */
+               if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
                        {
-                       collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
-                       work = work->next;
-                       }
+                       GList *work;
+                       CollectWindow *cw;
+
+                       cw = collection_window_new(NULL);
+                       cd = cw->cd;
+
+                       collection_path_changed(cd);
 
-               if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
+                       work = command_line->cmd_list;
+                       while (work)
+                               {
+                               FileData *fd;
+
+                               fd = file_data_new_simple(work->data);
+                               collection_add(cd, fd, FALSE);
+                               file_data_unref(fd);
+                               work = work->next;
+                               }
+
+                       work = command_line->collection_list;
+                       while (work)
+                               {
+                               collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
+                               work = work->next;
+                               }
+
+                       if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
+
+                       /* mem leak, we never unref this collection when !startup_command_line_collection
+                        * (the image view of the main window does not hold a ref to the collection)
+                        * this is sort of unavoidable, for if it did hold a ref, next/back
+                        * may not work as expected when closing collection windows.
+                        *
+                        * collection_unref(cd);
+                        */
+
+                       }
+               else if (first_collection)
+                       {
+                       layout_image_set_collection(NULL, first_collection,
+                                                   collection_get_first(first_collection));
+                       }
 
-               /* mem leak, we never unref this collection when !startup_command_line_collection
-                * (the image view of the main window does not hold a ref to the collection)
-                * this is sort of unavoidable, for if it did hold a ref, next/back
-                * may not work as expected when closing collection windows.
-                *
-                * collection_unref(cd);
+               /* If the files on the command line are from one folder, select those files
+                * unless it is a command line collection - then leave focus on collection window
                 */
+               lw = NULL;
+               layout_valid(&lw);
 
-               }
-       else if (first_collection)
-               {
-               layout_image_set_collection(NULL, first_collection,
-                                           collection_get_first(first_collection));
-               }
+               if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
+                       {
+                       GList *work;
+                       GList *selected;
+                       FileData *fd;
+
+                       selected = NULL;
+                       work = command_line->cmd_list;
+                       while (work)
+                               {
+                               fd = file_data_new_simple((gchar *)work->data);
+                               selected = g_list_append(selected, fd);
+                               file_data_unref(fd);
+                               work = work->next;
+                               }
+                       layout_select_list(lw, selected);
+                       }
+
+               buf = g_build_filename(get_rc_dir(), ".command", NULL);
+               remote_connection = remote_server_init(buf, cd);
+               g_free(buf);
 
-       buf = g_build_filename(get_rc_dir(), ".command", NULL);
-       remote_connection = remote_server_init(buf, cd);
-       g_free(buf);
+               marks_load();
+       }
 
-       marks_load();
+       default_settings = gtk_settings_get_default();
+       g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
+       set_theme_bg_color();
 
        DEBUG_1("%s main: gtk_main", get_exec_time());
        gtk_main();