[gnome-bluetooth] sendto: Port to GTK4

[Bastien Nocera <hadess src gnome org>]

commit 6c89cd59b4ca51d82eecbeb7531cbb289c7047bf
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Oct 26 22:31:24 2021 -0300

    sendto: Port to GTK4
    
    Basically, a concatenation of what happened inside the library.

 sendto/main.c | 78 +++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 44 insertions(+), 34 deletions(-)
---
diff --git a/sendto/main.c b/sendto/main.c
index fc101217..b862f0fa 100644
--- a/sendto/main.c
+++ b/sendto/main.c
@@ -427,8 +427,7 @@ static void response_callback(GtkWidget *dialog,
                current_transfer = NULL;
        }
 
-       gtk_widget_destroy(dialog);
-       gtk_main_quit();
+       gtk_window_destroy(GTK_WINDOW (dialog));
 }
 
 static void create_window(void)
@@ -447,22 +446,16 @@ static void create_window(void)
                               _("_Retry"), RESPONSE_RETRY,
                               NULL);
        gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog), RESPONSE_RETRY, FALSE);
-       gtk_window_set_type_hint(GTK_WINDOW(dialog),
-                                GDK_WINDOW_TYPE_HINT_NORMAL);
-       gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
        gtk_window_set_default_size(GTK_WINDOW(dialog), 400, -1);
-       gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
 
        vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
        gtk_box_set_spacing(GTK_BOX(vbox), 6);
-       gtk_container_set_border_width(GTK_CONTAINER(vbox), 6);
-       gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
-                          vbox);
+       gtk_window_set_child (GTK_WINDOW(dialog), vbox);
 
        table = gtk_grid_new();
        gtk_grid_set_column_spacing(GTK_GRID(table), 4);
        gtk_grid_set_row_spacing(GTK_GRID(table), 4);
-       gtk_box_pack_start(GTK_BOX(vbox), table, TRUE, TRUE, 9);
+       gtk_box_append(GTK_BOX(vbox), table);
 
        label = gtk_label_new(NULL);
        gtk_label_set_xalign(GTK_LABEL(label), 1.0);
@@ -496,31 +489,32 @@ static void create_window(void)
        gtk_grid_attach(GTK_GRID(table), label, 1, 1, 1, 1);
 
        progress = gtk_progress_bar_new();
+       gtk_widget_set_vexpand (progress, TRUE);
        gtk_progress_bar_set_show_text (GTK_PROGRESS_BAR (progress), TRUE);
        gtk_progress_bar_set_ellipsize(GTK_PROGRESS_BAR(progress),
                                                        PANGO_ELLIPSIZE_END);
        gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress),
                                                        _("Connecting…"));
-       gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 0);
+       gtk_box_append(GTK_BOX(vbox), progress);
 
        hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
 
-       image_status = gtk_image_new_from_icon_name ("dialog-warning", GTK_ICON_SIZE_MENU);
-       gtk_widget_set_no_show_all (image_status, TRUE);
-       gtk_box_pack_start(GTK_BOX (hbox), image_status, FALSE, FALSE, 4);
+       image_status = gtk_image_new_from_icon_name ("dialog-warning");
+       gtk_widget_hide(image_status);
+       gtk_box_append(GTK_BOX(hbox), image_status);
 
        label_status = gtk_label_new(NULL);
        gtk_label_set_xalign(GTK_LABEL(label_status), 0.0);
        gtk_label_set_yalign(GTK_LABEL(label_status), 0.5);
-       gtk_label_set_line_wrap(GTK_LABEL(label_status), TRUE);
-       gtk_box_pack_start(GTK_BOX (hbox), label_status, TRUE, TRUE, 4);
+       gtk_label_set_wrap(GTK_LABEL(label_status), TRUE);
+       gtk_box_append(GTK_BOX(hbox), label_status);
 
-       gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 2);
+       gtk_box_append(GTK_BOX(vbox), hbox);
 
        g_signal_connect(G_OBJECT(dialog), "response",
                                G_CALLBACK(response_callback), NULL);
 
-       gtk_widget_show_all(dialog);
+       gtk_window_present(GTK_WINDOW(dialog));
 }
 
 static gchar *get_device_name(const gchar *address)
@@ -688,12 +682,20 @@ on_transfer_error (void)
        current_transfer = NULL;
 }
 
+static gint select_dialog_response;
+static GMainLoop *select_dialog_mainloop = NULL;
+
+static void select_dialog_response_callback(GtkWidget *dialog,
+                                       gint response, gpointer user_data)
+{
+       select_dialog_response = response;
+       g_main_loop_quit(select_dialog_mainloop);
+}
 static char **
 show_select_dialog(void)
 {
        GtkWidget *dialog, *button;
        gchar **files = NULL;
-       GtkStyleContext *context;
 
        dialog = g_object_new (GTK_TYPE_FILE_CHOOSER_DIALOG,
                               "title", _("Choose files to send"),
@@ -703,29 +705,32 @@ show_select_dialog(void)
        gtk_dialog_add_buttons(GTK_DIALOG (dialog),
                               _("_Cancel"), GTK_RESPONSE_CANCEL,
                               _("Select"), GTK_RESPONSE_ACCEPT, NULL);
-       gtk_window_set_type_hint (GTK_WINDOW (dialog), GDK_WINDOW_TYPE_HINT_NORMAL);
        gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(dialog), TRUE);
 
        button = gtk_dialog_get_widget_for_response(GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
-       context = gtk_widget_get_style_context(button);
-       gtk_style_context_add_class (context, "suggested-action");
+       gtk_widget_add_css_class(button, "suggested-action");
+
+       g_signal_connect(dialog, "response", G_CALLBACK(select_dialog_response_callback), NULL);
 
-       if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
-               GSList *list, *filenames;
+       select_dialog_mainloop = g_main_loop_new(NULL, FALSE);
+       g_main_loop_run(select_dialog_mainloop);
+
+       if (select_dialog_response == GTK_RESPONSE_ACCEPT) {
+               g_autoptr(GListModel) selected_files = NULL;
                int i;
 
-               filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(dialog));
+               selected_files = gtk_file_chooser_get_files(GTK_FILE_CHOOSER(dialog));
 
-               files = g_new(gchar *, g_slist_length(filenames) + 1);
+               files = g_new(gchar *, g_list_model_get_n_items(selected_files) + 1);
 
-               for (list = filenames, i = 0; list; list = list->next, i++)
-                       files[i] = list->data;
+               for (i = 0; g_list_model_get_n_items(selected_files); i++) {
+                       g_autoptr(GFile) file = g_list_model_get_item(selected_files, i);
+                       files[i] = g_file_get_path(file);
+               }
                files[i] = NULL;
-
-               g_slist_free(filenames);
        }
 
-       gtk_widget_destroy(dialog);
+       gtk_window_destroy(GTK_WINDOW(dialog));
 
        return files;
 }
@@ -744,6 +749,7 @@ static GOptionEntry options[] = {
 
 int main(int argc, char *argv[])
 {
+       g_autoptr(GOptionContext) option_context = NULL;
        GError *error = NULL;
        int i;
 
@@ -753,8 +759,11 @@ int main(int argc, char *argv[])
 
        error = NULL;
 
-       if (gtk_init_with_args(&argc, &argv, _("[FILE…]"),
-                               options, GETTEXT_PACKAGE, &error) == FALSE) {
+       gtk_init();
+
+       option_context = g_option_context_new(NULL);
+       g_option_context_add_main_entries(option_context, options, GETTEXT_PACKAGE);
+       if (g_option_context_parse(option_context, &argc, &argv, &error) == FALSE) {
                if (error != NULL) {
                        g_printerr("%s\n", error->message);
                        g_error_free(error);
@@ -846,7 +855,8 @@ int main(int argc, char *argv[])
        if (!g_cancellable_is_cancelled (cancellable))
                send_files ();
 
-       gtk_main();
+       while (g_list_model_get_n_items (gtk_window_get_toplevels()) > 0)
+               g_main_context_iteration (NULL, TRUE);
 
        g_cancellable_cancel (cancellable);