xfce4-terminal-sixel.patch

From e3e2c987154055fceea4d459c34699a44d36cada Mon Sep 17 00:00:00 2001
From: Adam Saponara <as@php.net>
Date: Wed, 3 Aug 2022 18:27:14 -0400
Subject: [PATCH] Add sixel support

---
 terminal/terminal-preferences-dialog.c | 15 +++++++++++++++
 terminal/terminal-preferences.c        | 11 +++++++++++
 terminal/terminal-screen.c             | 16 +++++++++++++++-
 3 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/terminal/terminal-preferences-dialog.c b/terminal/terminal-preferences-dialog.c
index 0687d9c1..f40b2bc8 100644
--- a/terminal/terminal-preferences-dialog.c
+++ b/terminal/terminal-preferences-dialog.c
@@ -1161,6 +1161,21 @@ terminal_preferences_dialog_init (TerminalPreferencesDialog *dialog)
   gtk_grid_attach (GTK_GRID (grid), button, 0, row, 6, 1);
   gtk_widget_show (button);
 
+#if VTE_CHECK_VERSION(0, 69, 90)
+  if (vte_get_feature_flags () & VTE_FEATURE_FLAG_SIXEL)
+    {
+      /* next row */
+      row++;
+
+      button = gtk_check_button_new_with_mnemonic (_("_Enable sixel graphics"));
+      g_object_bind_property (G_OBJECT (dialog->preferences), "enable-sixel",
+                              G_OBJECT (button), "active",
+                              G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
+      gtk_widget_set_tooltip_text (button, _("Enable sixel graphics"));
+      gtk_grid_attach (GTK_GRID (grid), button, 0, row, 6, 1);
+      gtk_widget_show (button);
+    }
+#endif
 
   /* section: Custom colors */
   terminal_preferences_dialog_new_section (&frame, &vbox, &grid, &label, &row, "Custom Colors");
diff --git a/terminal/terminal-preferences.c b/terminal/terminal-preferences.c
index 86778bce..bbe3a79e 100644
--- a/terminal/terminal-preferences.c
+++ b/terminal/terminal-preferences.c
@@ -133,6 +133,7 @@ enum
   PROP_TEXT_BLINK_MODE,
   PROP_CELL_WIDTH_SCALE,
   PROP_CELL_HEIGHT_SCALE,
+  PROP_ENABLE_SIXEL,
   N_PROPERTIES,
 };
 
@@ -1231,6 +1232,16 @@ terminal_preferences_class_init (TerminalPreferencesClass *klass)
                            1.0, 2.0, 1.0,
                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 
+  /**
+   * TerminalPreferences:enable-sixel:
+   **/
+  preferences_props[PROP_ENABLE_SIXEL] =
+      g_param_spec_boolean ("enable-sixel",
+                            NULL,
+                            "EnableSixel",
+                            TRUE,
+                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
   /* install all properties */
   g_object_class_install_properties (gobject_class, N_PROPERTIES, preferences_props);
 }
diff --git a/terminal/terminal-screen.c b/terminal/terminal-screen.c
index 6a0ff803..56a1e9f7 100644
--- a/terminal/terminal-screen.c
+++ b/terminal/terminal-screen.c
@@ -182,7 +182,7 @@ static GtkWidget* terminal_screen_unsafe_paste_dialog_new       (TerminalScreen
 static void       terminal_screen_paste_unsafe_text             (TerminalScreen        *screen,
                                                                  const gchar           *text,
                                                                  GdkAtom                original_clipboard);
-
+static void       terminal_screen_update_sixel                  (TerminalScreen        *screen);
 
 
 struct _TerminalScreenClass
@@ -396,6 +396,7 @@ terminal_screen_init (TerminalScreen *screen)
   terminal_screen_update_word_chars (screen);
   terminal_screen_update_background (screen);
   terminal_screen_update_colors (screen);
+  terminal_screen_update_sixel (screen);
 
   /* last, connect contents-changed to avoid a race with updates above */
   g_signal_connect_swapped (G_OBJECT (screen->terminal), "contents-changed",
@@ -685,6 +686,8 @@ terminal_screen_preferences_changed (TerminalPreferences *preferences,
     terminal_screen_update_word_chars (screen);
   else if (strcmp ("misc-tab-position", name) == 0)
     terminal_screen_update_label_orientation (screen);
+  else if (strcmp ("enable-sixel", name) == 0)
+    terminal_screen_update_sixel (screen);
 }
 
 
@@ -3121,3 +3124,14 @@ terminal_screen_widget_append_accels (TerminalScreen *screen,
   if (G_LIKELY (G_IS_OBJECT (screen->terminal)))
     g_object_set (G_OBJECT (screen->terminal), "accel-group", accel_group, NULL);
 }
+
+void terminal_screen_update_sixel (TerminalScreen *screen)
+{
+#if VTE_CHECK_VERSION (0, 69, 90)
+  gboolean enable_sixel;
+  g_object_get (G_OBJECT (screen->preferences),
+                "enable-sixel", &enable_sixel,
+                NULL);
+  vte_terminal_set_enable_sixel (VTE_TERMINAL (screen->terminal), enable_sixel);
+#endif
+}
-- 
2.36.1