initial implementation of custom about dialog

src/about.c

@@ -19,26 +19,83 @@
 
 #include "yad.h"
 
+static void
+yad_set_about_license (GtkWidget *dlg)
+{
+  if (options.about_data.license == NULL)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_UNKNOWN);
+      return;
+    }
+
+  gtk_about_dialog_set_wrap_license (GTK_ABOUT_DIALOG (dlg), TRUE);
+
+  /* check for predefined */
+  if (strncmp (options.about_data.license, "GPL2", 4) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_GPL_2_0);
+      return;
+    }
+  if (strncmp (options.about_data.license, "GPL3", 4) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_GPL_3_0);
+      return;
+    }
+  if (strncmp (options.about_data.license, "LGPL2", 5) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_LGPL_2_1);
+      return;
+    }
+  if (strncmp (options.about_data.license, "LGPL3", 5) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_LGPL_3_0);
+      return;
+    }
+  if (strncmp (options.about_data.license, "BSD", 3) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_BSD);
+      return;
+    }
+  if (strncmp (options.about_data.license, "MIT", 3) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_MIT_X11);
+      return;
+    }
+  if (strncmp (options.about_data.license, "ARTISTIC", 8) == 0)
+    {
+      gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_ARTISTIC);
+      return;
+    }
+
+  /* user specified */
+  gtk_about_dialog_set_license_type (GTK_ABOUT_DIALOG (dlg), GTK_LICENSE_CUSTOM);
+  if (g_file_test (options.about_data.license, G_FILE_TEST_EXISTS))
+    {
+      gchar *buf;
+
+      if (g_file_get_contents (options.about_data.license, &buf, NULL, NULL))
+        {
+          gtk_about_dialog_set_license (GTK_ABOUT_DIALOG (dlg), buf);
+          return;
+        }
+    }
+
+  /* set as is */
+  gtk_about_dialog_set_license (GTK_ABOUT_DIALOG (dlg), options.about_data.license);
+
+  return;
+}
+
 gint
 yad_about (void)
 {
   GtkWidget *dialog;
+
   const gchar *const authors[] = {
     "Victor Ananjevsky <ananasik@gmail.com>",
     NULL
   };
   const gchar *translators = N_("translator-credits");
-  const gchar *license =
-    N_("YAD is free software; you can redistribute it and/or modify "
-       "it under the terms of the GNU General Public License as published by "
-       "the Free Software Foundation; either version 3 of the License, or "
-       "(at your option) any later version.\n\n"
-       "YAD is distributed in the hope that it will be useful, "
-       "but WITHOUT ANY WARRANTY; without even the implied warranty of "
-       "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the "
-       "GNU General Public License for more details.\n\n"
-       "You should have received a copy of the GNU General Public License "
-       "along with YAD. If not, see <http://www.gnu.org/licenses/>.");
 
   gchar *comments = g_strdup_printf (_("Yet Another Dialog\n"
                                        "(show dialog boxes from shell scripts)\n"
@@ -56,19 +113,41 @@ yad_about (void)
                                      gtk_major_version, gtk_minor_version, gtk_micro_version);
 
   dialog = gtk_about_dialog_new ();
-  gtk_window_set_icon_name (GTK_WINDOW (dialog), "yad");
-  g_object_set (G_OBJECT (dialog),
-                "name", PACKAGE_NAME,
-                "version", PACKAGE_VERSION,
-                "copyright", "Copyright \xc2\xa9 2008-2021, Victor Ananjevsky <ananasik@gmail.com>",
-                "comments", comments,
-                "authors", authors,
-                "website", PACKAGE_URL,
-                "translator-credits", translators,
-                "wrap-license", TRUE, 
-                "license", license, 
-                "logo-icon-name", "yad",
-                NULL);
+
+  if (options.about_data.name != NULL)
+    {
+      /* custom about dialog */
+      gtk_about_dialog_set_program_name (GTK_ABOUT_DIALOG (dialog), options.about_data.name);
+      if (options.about_data.version)
+        gtk_about_dialog_set_version (GTK_ABOUT_DIALOG (dialog), options.about_data.version);
+      if (options.about_data.copyright)
+        gtk_about_dialog_set_copyright (GTK_ABOUT_DIALOG (dialog), options.about_data.copyright);
+      if (options.about_data.comments)
+        gtk_about_dialog_set_comments (GTK_ABOUT_DIALOG (dialog), options.about_data.comments);
+      if (options.about_data.authors)
+        gtk_about_dialog_set_authors (GTK_ABOUT_DIALOG (dialog), (const gchar **) g_strsplit (options.about_data.authors, ",", -1));
+      if (options.about_data.website)
+        gtk_about_dialog_set_website (GTK_ABOUT_DIALOG (dialog), options.about_data.website);
+      if (options.about_data.website_lbl)
+        gtk_about_dialog_set_website_label (GTK_ABOUT_DIALOG (dialog), options.about_data.website_lbl);
+      yad_set_about_license (dialog);
+    }
+  else
+    {
+      gtk_window_set_icon_name (GTK_WINDOW (dialog), "yad");
+      g_object_set (G_OBJECT (dialog),
+                    "name", PACKAGE_NAME,
+                    "version", PACKAGE_VERSION,
+                    "copyright", "Copyright \xc2\xa9 2008-2021, Victor Ananjevsky <ananasik@gmail.com>",
+                    "comments", comments,
+                    "authors", authors,
+                    "website", PACKAGE_URL,
+                    "translator-credits", translators,
+                    "wrap-license", TRUE,
+                    "license-type", GTK_LICENSE_GPL_3_0,
+                    "logo-icon-name", "yad",
+                    NULL);
+    }
 
   return gtk_dialog_run (GTK_DIALOG (dialog));
 }

src/option.c

@@ -239,6 +239,28 @@ static GOptionEntry common_options[] = {
   { NULL }
 };
 
+static GOptionEntry about_options[] = {
+  { "about", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &about_mode,
+    N_("Display about dialog"), NULL },
+  { "pname", 0, 0, G_OPTION_ARG_STRING, &options.about_data.name,
+    N_("Set application name"), N_("STRING") },
+  { "version", 0, 0, G_OPTION_ARG_STRING, &options.about_data.version,
+    N_("Set application version"), N_("STRING") },
+  { "copyright", 0, 0, G_OPTION_ARG_STRING, &options.about_data.copyright,
+    N_("Set application copyright string"), N_("STRING") },
+  { "comments", 0, 0, G_OPTION_ARG_STRING, &options.about_data.comments,
+    N_("Set application comments string"), N_("TEXT") },
+  { "license", 0, 0, G_OPTION_ARG_STRING, &options.about_data.license,
+    N_("Set application license"), N_("TEXT") },
+  { "authors", 0, 0, G_OPTION_ARG_STRING, &options.about_data.authors,
+    N_("Set application authors"), N_("LIST") },
+  { "website", 0, 0, G_OPTION_ARG_STRING, &options.about_data.website,
+    N_("Set application website"), N_("URI") },
+  { "website-label", 0, 0, G_OPTION_ARG_STRING, &options.about_data.website_lbl,
+    N_("Set application website label"), N_("STRING") },
+  { NULL }
+};
+
 static GOptionEntry app_options[] = {
   { "app", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_NONE, &app_mode,
     N_("Display application selection dialog"), NULL },
@@ -647,8 +669,6 @@ static GOptionEntry filter_options[] = {
 };
 
 static GOptionEntry misc_options[] = {
-  { "about", 0, 0, G_OPTION_ARG_NONE, &about_mode,
-    N_("Show about dialog"), NULL },
   { "version", 0, 0, G_OPTION_ARG_NONE, &version_mode,
     N_("Print version"), NULL },
 #ifdef HAVE_SPELL
@@ -1587,6 +1607,15 @@ yad_options_init (void)
   options.common_data.spell_lang = NULL;
 #endif
 
+  /* initialize about data */
+  options.about_data.name = NULL;
+  options.about_data.copyright = NULL;
+  options.about_data.comments = NULL;
+  options.about_data.license = NULL;
+  options.about_data.authors = NULL;
+  options.about_data.website = NULL;
+  options.about_data.website_lbl = NULL;
+
   /* Initialize application data */
   options.app_data.show_fallback = FALSE;
   options.app_data.show_other = FALSE;
@@ -1799,6 +1828,12 @@ yad_create_context (void)
   g_option_group_set_translation_domain (a_group, GETTEXT_PACKAGE);
   g_option_context_add_group (tmp_ctx, a_group);
 
+  /* Adds about option entries */
+  a_group = g_option_group_new ("about", _("About dialog options"), _("Show custom about dialog options"), NULL, NULL);
+  g_option_group_add_entries (a_group, about_options);
+  g_option_group_set_translation_domain (a_group, GETTEXT_PACKAGE);
+  g_option_context_add_group (tmp_ctx, a_group);
+
   /* Adds app option entries */
   a_group = g_option_group_new ("app", _("Application selection options"), _("Show application selection options"), NULL, NULL);
   g_option_group_add_entries (a_group, app_options);

src/yad.h

@@ -263,6 +263,17 @@ typedef struct {
 } YadAppData;
 
 typedef struct {
+  gchar *name;
+  gchar *version;
+  gchar *copyright;
+  gchar *comments;
+  gchar *license;
+  gchar *authors;
+  gchar *website;
+  gchar *website_lbl;
+} YadAboutData;
+
+typedef struct {
   gint day;
   gint month;
   gint year;
@@ -498,6 +509,7 @@ typedef struct {
   YadData data;
   YadCommonData common_data;
 
+  YadAboutData about_data;
   YadAppData app_data;
   YadCalendarData calendar_data;
   YadColorData color_data;