remove unused variable

[ardour.git] / gtk2_ardour / editor_mixer.cc

diff --git a/gtk2_ardour/editor_mixer.cc b/gtk2_ardour/editor_mixer.cc
index 12b5ff3f305b7c2a1e02d2fb9993e2d7a635c5f9..67e749de50171773f140088195516aabd6010dcf 100644 (file)
--- a/gtk2_ardour/editor_mixer.cc
+++ b/gtk2_ardour/editor_mixer.cc
@@ -22,6 +22,7 @@
 #endif
 
 #include <glibmm/miscutils.h>
+#include <gtkmm/messagedialog.h>
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/window_title.h>
 
@@ -75,6 +76,23 @@ Editor::show_editor_mixer (bool yn)
 
        show_editor_mixer_when_tracks_arrive = false;
 
+       if (yn) {
+               Glib::RefPtr<Gdk::Window> win = get_window ();
+               Glib::RefPtr<Gdk::Screen> screen;
+               
+               if (win) {
+                        screen = win->get_screen();
+               } else {
+                       screen = Gdk::Screen::get_default();
+               }
+
+               if (g_getenv ("ARDOUR_LOVES_STUPID_TINY_SCREENS") == 0 && screen && screen->get_height() < 700) {
+                       Gtk::MessageDialog msg (_("This screen is not tall enough to display the editor mixer"));
+                       msg.run ();
+                       return;
+               }
+       }
+
        if (!_session) {
                show_editor_mixer_when_tracks_arrive = yn;
                return;
@@ -115,17 +133,19 @@ Editor::show_editor_mixer (bool yn)
                        if (current_mixer_strip == 0) {
                                create_editor_mixer ();
                        }
-
-                       current_mixer_strip->set_route (r);
-                       current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
                }
 
-               if (current_mixer_strip->get_parent() == 0) {
+               if (current_mixer_strip && current_mixer_strip->get_parent() == 0) {
                        global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
                        global_hpacker.reorder_child (*current_mixer_strip, 0);
                        current_mixer_strip->show ();
                }
 
+               if (r) {
+                       current_mixer_strip->set_route (r);
+                       current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
+               }
+
        } else {
 
                if (current_mixer_strip) {
@@ -147,7 +167,7 @@ Editor::ensure_all_elements_drawn ()
 {
        controls_layout.queue_draw ();
        ruler_label_event_box.queue_draw ();
-       time_button_event_box.queue_draw ();
+       time_bars_event_box.queue_draw ();
 }
 #endif