[gtk/matthiasc/for-master: 10/16] Drop support for GTK_TEST_TOUCHSCREEN

[Matthias Clasen <matthiasc src gnome org>]

commit fedeb51f3116914bee5a2993c4a9d7eea390210a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 13 22:44:32 2020 -0400

    Drop support for GTK_TEST_TOUCHSCREEN
    
    This environment variable is undocumented, and you can
    just use GTK_DEBUG=touchscreen insead.

 gtk/gtkmain.c          |  9 ++-------
 gtk/inspector/visual.c | 11 -----------
 2 files changed, 2 insertions(+), 18 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index 8bb10a28ac..8a9a0b12e8 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -623,13 +623,8 @@ gtk_set_debug_flags (GtkDebugFlags flags)
 gboolean
 gtk_simulate_touchscreen (void)
 {
-  static int test_touchscreen;
-
-  if (test_touchscreen == 0)
-    test_touchscreen = g_getenv ("GTK_TEST_TOUCHSCREEN") != NULL ? 1 : -1;
-
-  return test_touchscreen > 0 || (gtk_get_debug_flags () & GTK_DEBUG_TOUCHSCREEN) != 0;
- }
+  return (gtk_get_debug_flags () & GTK_DEBUG_TOUCHSCREEN) != 0;
+}
 
 #ifdef G_PLATFORM_WIN32
 #undef gtk_init_check
diff --git a/gtk/inspector/visual.c b/gtk/inspector/visual.c
index aa34b753b8..7a03df3781 100644
--- a/gtk/inspector/visual.c
+++ b/gtk/inspector/visual.c
@@ -919,17 +919,6 @@ init_touchscreen (GtkInspectorVisual *vis)
   gtk_switch_set_active (GTK_SWITCH (vis->touchscreen_switch), (gtk_get_debug_flags () & 
GTK_DEBUG_TOUCHSCREEN) != 0);
   g_signal_connect (vis->touchscreen_switch, "notify::active",
                     G_CALLBACK (update_touchscreen), NULL);
-
-  if (g_getenv ("GTK_TEST_TOUCHSCREEN") != 0)
-    {
-      GtkWidget *row;
-
-      /* hardcoded, nothing we can do */
-      gtk_switch_set_active (GTK_SWITCH (vis->touchscreen_switch), TRUE);
-      gtk_widget_set_sensitive (vis->touchscreen_switch, FALSE);
-      row = gtk_widget_get_ancestor (vis->touchscreen_switch, GTK_TYPE_LIST_BOX_ROW);
-      gtk_widget_set_tooltip_text (row, _("Setting is hardcoded by GTK_TEST_TOUCHSCREEN"));
-    }
 }
 
 static gboolean