vwindow replay, append tracks to proj, multi asset info, subtitle bug

[goodguy/history.git] / cinelerra-5.1 / cinelerra / mainmenu.C

diff --git a/cinelerra-5.1/cinelerra/mainmenu.C b/cinelerra-5.1/cinelerra/mainmenu.C
index 7fa7b747282d1ec5508ea56c3366aa80976fafc5..67a7ee31ff393636878af52808e4bd3938f50455 100644 (file)
--- a/cinelerra-5.1/cinelerra/mainmenu.C
+++ b/cinelerra-5.1/cinelerra/mainmenu.C
@@ -60,6 +60,7 @@
 #include "patchbay.h"
 #include "playbackengine.h"
 #include "preferences.h"
+#include "proxy.h"
 #include "preferencesthread.h"
 #include "quit.h"
 #include "record.h"
@@ -97,7 +98,7 @@ void MainMenu::create_objects()
        total_loads = 0;
 
        add_menu(filemenu = new BC_Menu(_("File")));
-       filemenu->add_item(new_project = new New(mwindow));
+       filemenu->add_item(new_project = new NewProject(mwindow));
        new_project->create_objects();
 
 // file loaders
@@ -112,7 +113,9 @@ void MainMenu::create_objects()
        save->create_objects(saveas);
        saveas->set_mainmenu(this);
        filemenu->add_item(record_menu_item = new RecordMenuItem(mwindow));
+#ifdef HAVE_DVB
        filemenu->add_item(new ChannelScan(mwindow));
+#endif
        if( mwindow->has_commercials() )
                filemenu->add_item(new DbWindowScan(mwindow));
        filemenu->add_item(new SubttlSWin(mwindow));
@@ -163,10 +166,9 @@ void MainMenu::create_objects()
        keyframemenu->add_item(new ClearKeyframes(mwindow));
        keyframemenu->add_item(new StraightenKeyframes(mwindow));
        keyframemenu->add_item(new BendKeyframes(mwindow));
-       keyframemenu->add_item(keyframe_curve_type =
-                new KeyframeCurveType(mwindow,
-                       mwindow->edl->local_session->floatauto_type));
+       keyframemenu->add_item(keyframe_curve_type = new KeyframeCurveType(mwindow));
        keyframe_curve_type->create_objects();
+       keyframe_curve_type->update(mwindow->edl->local_session->floatauto_type);
        keyframemenu->add_item(new BC_MenuItem("-"));
        keyframemenu->add_item(new CopyDefaultKeyframe(mwindow));
        keyframemenu->add_item(new PasteDefaultKeyframe(mwindow));
@@ -196,12 +198,18 @@ void MainMenu::create_objects()
        trackmenu->add_item(new DeleteTracks(mwindow));
        trackmenu->add_item(new DeleteTrack(mwindow));
        trackmenu->add_item(new ConcatenateTracks(mwindow));
+       AppendTracks *append_tracks;
+       trackmenu->add_item(append_tracks = new AppendTracks(mwindow));
+       append_tracks->create_objects();
        trackmenu->add_item(new AddSubttlTrack(mwindow));
 
        add_menu(settingsmenu = new BC_Menu(_("Settings")));
 
        settingsmenu->add_item(new SetFormat(mwindow));
        settingsmenu->add_item(preferences = new PreferencesMenuitem(mwindow));
+       ProxyMenuItem *proxy;
+       settingsmenu->add_item(proxy = new ProxyMenuItem(mwindow));
+       proxy->create_objects();
        mwindow->preferences_thread = preferences->thread;
        settingsmenu->add_item(labels_follow_edits = new LabelsFollowEdits(mwindow));
        settingsmenu->add_item(plugins_follow_edits = new PluginsFollowEdits(mwindow));
@@ -211,7 +219,7 @@ void MainMenu::create_objects()
        settingsmenu->add_item(new BC_MenuItem("-"));
        settingsmenu->add_item(new SaveSettingsNow(mwindow));
        settingsmenu->add_item(loop_playback = new LoopPlayback(mwindow));
-       settingsmenu->add_item(new SetBRenderStart(mwindow));
+       settingsmenu->add_item(brender_active = new SetBRenderActive(mwindow));
 // set scrubbing speed
 //     ScrubSpeed *scrub_speed;
 //     settingsmenu->add_item(scrub_speed = new ScrubSpeed(mwindow));
@@ -251,6 +259,8 @@ void MainMenu::create_objects()
        windowmenu->add_item(new BC_MenuItem("-"));
        windowmenu->add_item(split_x = new SplitX(mwindow));
        windowmenu->add_item(split_y = new SplitY(mwindow));
+       windowmenu->add_item(mixer_viewer = new MixerViewer(mwindow));
+       windowmenu->add_item(new TileMixers(mwindow));
        windowmenu->add_item(new TileWindows(mwindow,_("Default positions"),-1,_("Ctrl-P"),'p'));
        windowmenu->add_item(new TileWindows(mwindow,_("Tile left"),0));
        windowmenu->add_item(new TileWindows(mwindow,_("Tile right"),1));
@@ -615,7 +625,8 @@ Undo::Undo(MWindow *mwindow) : BC_MenuItem(_("Undo"), "z", 'z')
 }
 int Undo::handle_event()
 {
-       mwindow->undo_entry(mwindow->gui);
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->undo_entry(mwindow->gui);
        return 1;
 }
 int Undo::update_caption(const char *new_caption)
@@ -635,8 +646,8 @@ Redo::Redo(MWindow *mwindow) : BC_MenuItem(_("Redo"), _("Shift-Z"), 'Z')
 
 int Redo::handle_event()
 {
-       mwindow->redo_entry(mwindow->gui);
-
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->redo_entry(mwindow->gui);
        return 1;
 }
 int Redo::update_caption(const char *new_caption)
@@ -656,7 +667,8 @@ CutKeyframes::CutKeyframes(MWindow *mwindow)
 
 int CutKeyframes::handle_event()
 {
-       mwindow->cut_automation();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->cut_automation();
        return 1;
 }
 
@@ -669,7 +681,8 @@ CopyKeyframes::CopyKeyframes(MWindow *mwindow)
 
 int CopyKeyframes::handle_event()
 {
-       mwindow->copy_automation();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->copy_automation();
        return 1;
 }
 
@@ -682,7 +695,8 @@ PasteKeyframes::PasteKeyframes(MWindow *mwindow)
 
 int PasteKeyframes::handle_event()
 {
-       mwindow->paste_automation();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste_automation();
        return 1;
 }
 
@@ -695,7 +709,8 @@ ClearKeyframes::ClearKeyframes(MWindow *mwindow)
 
 int ClearKeyframes::handle_event()
 {
-       mwindow->clear_automation();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->clear_automation();
        return 1;
 }
 
@@ -730,11 +745,10 @@ int BendKeyframes::handle_event()
 
 
 
-KeyframeCurveType::KeyframeCurveType(MWindow *mwindow, int curve_type)
+KeyframeCurveType::KeyframeCurveType(MWindow *mwindow)
  : BC_MenuItem(_("Create curve type..."))
 {
        this->mwindow = mwindow;
-       this->curve_type = curve_type;
        this->curve_menu = 0;
 }
 KeyframeCurveType::~KeyframeCurveType()
@@ -743,26 +757,28 @@ KeyframeCurveType::~KeyframeCurveType()
 
 void KeyframeCurveType::create_objects()
 {
-       curve_menu = new KeyframeCurveTypeMenu(this);
-       mwindow->gui->add_subwindow(curve_menu);
+       add_submenu(curve_menu = new KeyframeCurveTypeMenu(this));
        for( int i=FloatAuto::SMOOTH; i<=FloatAuto::FREE; ++i ) {
-               curve_menu->add_item(new KeyframeCurveTypeItem(i));
+               KeyframeCurveTypeItem *curve_type_item = new KeyframeCurveTypeItem(i, this);
+               curve_menu->add_submenuitem(curve_type_item);
        }
 }
 
-int KeyframeCurveType::handle_event()
+void KeyframeCurveType::update(int curve_type)
 {
        for( int i=0; i<curve_menu->total_items(); ++i ) {
-               KeyframeCurveTypeItem *curve_type_item =
-                       (KeyframeCurveTypeItem *)curve_menu->get_item(i);
+               KeyframeCurveTypeItem *curve_type_item = (KeyframeCurveTypeItem *)curve_menu->get_item(i);
                curve_type_item->set_checked(curve_type_item->type == curve_type);
        }
-       curve_menu->activate_menu();
+}
+
+int KeyframeCurveType::handle_event()
+{
        return 1;
 }
 
 KeyframeCurveTypeMenu::KeyframeCurveTypeMenu(KeyframeCurveType *menu_item)
- : BC_PopupMenu(0, 0, 0, "", 0)
+ : BC_SubMenu()
 {
        this->menu_item = menu_item;
 }
@@ -770,10 +786,11 @@ KeyframeCurveTypeMenu::~KeyframeCurveTypeMenu()
 {
 }
 
-KeyframeCurveTypeItem::KeyframeCurveTypeItem(int type)
+KeyframeCurveTypeItem::KeyframeCurveTypeItem(int type, KeyframeCurveType *main_item)
  : BC_MenuItem(FloatAuto::curve_name(type))
 {
        this->type = type;
+       this->main_item = main_item;
 }
 KeyframeCurveTypeItem::~KeyframeCurveTypeItem()
 {
@@ -781,9 +798,8 @@ KeyframeCurveTypeItem::~KeyframeCurveTypeItem()
 
 int KeyframeCurveTypeItem::handle_event()
 {
-       KeyframeCurveType *menu_item = ((KeyframeCurveTypeMenu *)get_popup_menu())->menu_item;
-       menu_item->curve_type = type;
-       menu_item->mwindow->set_keyframe_type(type);
+       main_item->update(type);
+       main_item->mwindow->set_keyframe_type(type);
        return 1;
 }
 
@@ -797,7 +813,8 @@ CutDefaultKeyframe::CutDefaultKeyframe(MWindow *mwindow)
 
 int CutDefaultKeyframe::handle_event()
 {
-       mwindow->cut_default_keyframe();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->cut_default_keyframe();
        return 1;
 }
 
@@ -810,7 +827,8 @@ CopyDefaultKeyframe::CopyDefaultKeyframe(MWindow *mwindow)
 
 int CopyDefaultKeyframe::handle_event()
 {
-       mwindow->copy_default_keyframe();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->copy_default_keyframe();
        return 1;
 }
 
@@ -823,12 +841,13 @@ PasteDefaultKeyframe::PasteDefaultKeyframe(MWindow *mwindow)
 
 int PasteDefaultKeyframe::handle_event()
 {
-       mwindow->paste_default_keyframe();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste_default_keyframe();
        return 1;
 }
 
 ClearDefaultKeyframe::ClearDefaultKeyframe(MWindow *mwindow)
- : BC_MenuItem(_("Clear default keyframe"), _("Alt-Del"), BACKSPACE)
+ : BC_MenuItem(_("Clear default keyframe"), _("Alt-Del"), DELETE)
 {
        set_alt();
        this->mwindow = mwindow;
@@ -836,7 +855,8 @@ ClearDefaultKeyframe::ClearDefaultKeyframe(MWindow *mwindow)
 
 int ClearDefaultKeyframe::handle_event()
 {
-       mwindow->clear_default_keyframe();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->clear_default_keyframe();
        return 1;
 }
 
@@ -848,7 +868,8 @@ Cut::Cut(MWindow *mwindow)
 
 int Cut::handle_event()
 {
-       mwindow->cut();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->cut();
        return 1;
 }
 
@@ -860,7 +881,8 @@ Copy::Copy(MWindow *mwindow)
 
 int Copy::handle_event()
 {
-       mwindow->copy();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->copy();
        return 1;
 }
 
@@ -872,21 +894,24 @@ Paste::Paste(MWindow *mwindow)
 
 int Paste::handle_event()
 {
-       mwindow->paste();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste();
        return 1;
 }
 
 Clear::Clear(MWindow *mwindow)
- : BC_MenuItem(_("Clear"), _("Del"), BACKSPACE)
+ : BC_MenuItem(_("Clear"), _("Del"), DELETE)
 {
        this->mwindow = mwindow;
 }
 
 int Clear::handle_event()
 {
-       mwindow->cwindow->gui->lock_window("Clear::handle_event");
-       mwindow->clear_entry();
-       mwindow->cwindow->gui->unlock_window();
+       if( mwindow->session->current_operation == NO_OPERATION ) {
+               mwindow->cwindow->gui->lock_window("Clear::handle_event");
+               mwindow->clear_entry();
+               mwindow->cwindow->gui->unlock_window();
+       }
        return 1;
 }
 
@@ -899,7 +924,8 @@ PasteSilence::PasteSilence(MWindow *mwindow)
 
 int PasteSilence::handle_event()
 {
-       mwindow->paste_silence();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste_silence();
        return 1;
 }
 
@@ -911,7 +937,8 @@ SelectAll::SelectAll(MWindow *mwindow)
 
 int SelectAll::handle_event()
 {
-       mwindow->select_all();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->select_all();
        return 1;
 }
 
@@ -957,7 +984,8 @@ MuteSelection::MuteSelection(MWindow *mwindow)
 
 int MuteSelection::handle_event()
 {
-       mwindow->mute_selection();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->mute_selection();
        return 1;
 }
 
@@ -995,7 +1023,8 @@ AddAudioTrack::AddAudioTrack(MWindow *mwindow)
 
 int AddAudioTrack::handle_event()
 {
-       mwindow->add_audio_track_entry(0, 0);
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->add_audio_track_entry(0, 0);
        return 1;
 }
 
@@ -1018,7 +1047,8 @@ DefaultATransition::DefaultATransition(MWindow *mwindow)
 
 int DefaultATransition::handle_event()
 {
-       mwindow->paste_audio_transition();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste_audio_transition();
        return 1;
 }
 
@@ -1062,7 +1092,8 @@ AddVideoTrack::AddVideoTrack(MWindow *mwindow)
 
 int AddVideoTrack::handle_event()
 {
-       mwindow->add_video_track_entry();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->add_video_track_entry();
        return 1;
 }
 
@@ -1102,7 +1133,8 @@ DefaultVTransition::DefaultVTransition(MWindow *mwindow)
 
 int DefaultVTransition::handle_event()
 {
-       mwindow->paste_video_transition();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->paste_video_transition();
        return 1;
 }
 
@@ -1141,7 +1173,8 @@ DeleteTrack::DeleteTrack(MWindow *mwindow)
 
 int DeleteTrack::handle_event()
 {
-       mwindow->delete_track();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->delete_track();
        return 1;
 }
 
@@ -1153,7 +1186,8 @@ MoveTracksUp::MoveTracksUp(MWindow *mwindow)
 
 int MoveTracksUp::handle_event()
 {
-       mwindow->move_tracks_up();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->move_tracks_up();
        return 1;
 }
 
@@ -1165,7 +1199,8 @@ MoveTracksDown::MoveTracksDown(MWindow *mwindow)
 
 int MoveTracksDown::handle_event()
 {
-       mwindow->move_tracks_down();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->move_tracks_down();
        return 1;
 }
 
@@ -1199,8 +1234,10 @@ LoopPlayback::LoopPlayback(MWindow *mwindow)
 
 int LoopPlayback::handle_event()
 {
-       mwindow->toggle_loop_playback();
-       set_checked(mwindow->edl->local_session->loop_playback);
+       if( mwindow->session->current_operation == NO_OPERATION ) {
+               mwindow->toggle_loop_playback();
+               set_checked(mwindow->edl->local_session->loop_playback);
+       }
        return 1;
 }
 
@@ -1218,7 +1255,8 @@ AddSubttlTrack::AddSubttlTrack(MWindow *mwindow)
 
 int AddSubttlTrack::handle_event()
 {
-       mwindow->add_subttl_track_entry();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->add_subttl_track_entry();
        return 1;
 }
 
@@ -1230,33 +1268,30 @@ PasteSubttl::PasteSubttl(MWindow *mwindow)
 
 int PasteSubttl::handle_event()
 {
-       mwindow->gui->swindow->paste_subttl();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->gui->swindow->paste_subttl();
        return 1;
 }
 
 
-
-
-
-
-SetBRenderStart::SetBRenderStart(MWindow *mwindow)
- : BC_MenuItem(_("Set background render"))
+SetBRenderActive::SetBRenderActive(MWindow *mwindow)
+ : BC_MenuItem(_("Toggle background rendering"),_("Shift-G"),'G')
 {
        this->mwindow = mwindow;
+       set_shift(1);
 }
 
-int SetBRenderStart::handle_event()
+int SetBRenderActive::handle_event()
 {
-       mwindow->set_brender_start();
+       if( mwindow->session->current_operation == NO_OPERATION ) {
+               int v = mwindow->brender_active ? 0 : 1;
+               set_checked(v);
+               mwindow->set_brender_active(v);
+       }
        return 1;
 }
 
 
-
-
-
-
-
 LabelsFollowEdits::LabelsFollowEdits(MWindow *mwindow)
  : BC_MenuItem(_("Edit labels"))
 {
@@ -1275,16 +1310,16 @@ int LabelsFollowEdits::handle_event()
 
 
 PluginsFollowEdits::PluginsFollowEdits(MWindow *mwindow)
- : BC_MenuItem(_("Edit effects")) 
-{ 
-       this->mwindow = mwindow; 
+ : BC_MenuItem(_("Edit effects"))
+{
+       this->mwindow = mwindow;
        set_checked(mwindow->edl->session->plugins_follow_edits);
 }
 
 int PluginsFollowEdits::handle_event()
 {
        set_checked(get_checked() ^ 1);
-       mwindow->edl->session->plugins_follow_edits = get_checked(); 
+       mwindow->edl->session->plugins_follow_edits = get_checked();
        return 1;
 }
 
@@ -1292,45 +1327,45 @@ int PluginsFollowEdits::handle_event()
 
 
 KeyframesFollowEdits::KeyframesFollowEdits(MWindow *mwindow)
- : BC_MenuItem(_("Keyframes follow edits")) 
-{ 
-       this->mwindow = mwindow; 
+ : BC_MenuItem(_("Keyframes follow edits"))
+{
+       this->mwindow = mwindow;
        set_checked(mwindow->edl->session->autos_follow_edits);
 }
 
 int KeyframesFollowEdits::handle_event()
-{ 
-       mwindow->edl->session->autos_follow_edits ^= 1; 
+{
+       mwindow->edl->session->autos_follow_edits ^= 1;
        set_checked(!get_checked());
        return 1;
 }
 
 
 CursorOnFrames::CursorOnFrames(MWindow *mwindow)
- : BC_MenuItem(_("Align cursor on frames")) 
-{ 
-       this->mwindow = mwindow; 
+ : BC_MenuItem(_("Align cursor on frames"))
+{
+       this->mwindow = mwindow;
        set_checked(mwindow->edl->session->cursor_on_frames);
 }
 
 int CursorOnFrames::handle_event()
 {
-       mwindow->edl->session->cursor_on_frames = !mwindow->edl->session->cursor_on_frames; 
+       mwindow->edl->session->cursor_on_frames = !mwindow->edl->session->cursor_on_frames;
        set_checked(mwindow->edl->session->cursor_on_frames);
        return 1;
 }
 
 
 TypelessKeyframes::TypelessKeyframes(MWindow *mwindow)
- : BC_MenuItem(_("Typeless keyframes")) 
-{ 
-       this->mwindow = mwindow; 
+ : BC_MenuItem(_("Typeless keyframes"))
+{
+       this->mwindow = mwindow;
        set_checked(mwindow->edl->session->typeless_keyframes);
 }
 
 int TypelessKeyframes::handle_event()
 {
-       mwindow->edl->session->typeless_keyframes = !mwindow->edl->session->typeless_keyframes; 
+       mwindow->edl->session->typeless_keyframes = !mwindow->edl->session->typeless_keyframes;
        set_checked(mwindow->edl->session->typeless_keyframes);
        return 1;
 }
@@ -1356,9 +1391,9 @@ int ScrubSpeed::handle_event()
        return 1;
 }
 
-SaveSettingsNow::SaveSettingsNow(MWindow *mwindow) : BC_MenuItem(_("Save settings now")) 
-{ 
-       this->mwindow = mwindow; 
+SaveSettingsNow::SaveSettingsNow(MWindow *mwindow) : BC_MenuItem(_("Save settings now"))
+{
+       this->mwindow = mwindow;
 }
 
 int SaveSettingsNow::handle_event()
@@ -1415,14 +1450,21 @@ int ShowCWindow::handle_event()
 
 
 ShowGWindow::ShowGWindow(MWindow *mwindow)
- : BC_MenuItem(_("Show Overlays"))
+ : BC_MenuItem(_("Show Overlays"), _("Ctrl-0"), '0')
 {
        this->mwindow = mwindow;
+       set_ctrl(1);
        set_checked(mwindow->session->show_gwindow);
 }
 int ShowGWindow::handle_event()
 {
-       mwindow->show_gwindow();
+       if( mwindow->session->current_operation == NO_OPERATION ) {
+               if( !mwindow->session->show_gwindow )
+                       mwindow->show_gwindow();
+               else
+                       mwindow->hide_gwindow();
+               set_checked(mwindow->session->show_gwindow);
+       }
        return 1;
 }
 
@@ -1449,11 +1491,13 @@ TileWindows::TileWindows(MWindow *mwindow, const char *item_title, int config,
 }
 int TileWindows::handle_event()
 {
-       int window_config = config >= 0 ? config :
-               mwindow->session->window_config;
-       if( mwindow->tile_windows(window_config) ) {
-               mwindow->restart_status = 1;
-               mwindow->gui->set_done(0);
+       if( mwindow->session->current_operation == NO_OPERATION ) {
+               int window_config = config >= 0 ? config :
+                       mwindow->session->window_config;
+               if( mwindow->tile_windows(window_config) ) {
+                       mwindow->restart_status = 1;
+                       mwindow->gui->set_done(0);
+               }
        }
        return 1;
 }
@@ -1467,7 +1511,8 @@ SplitX::SplitX(MWindow *mwindow)
 }
 int SplitX::handle_event()
 {
-       mwindow->split_x();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->split_x();
        return 1;
 }
 
@@ -1480,8 +1525,35 @@ SplitY::SplitY(MWindow *mwindow)
 }
 int SplitY::handle_event()
 {
-       mwindow->split_y();
+       if( mwindow->session->current_operation == NO_OPERATION )
+               mwindow->split_y();
+       return 1;
+}
+
+
+MixerViewer::MixerViewer(MWindow *mwindow)
+ : BC_MenuItem(_("Mixer Viewer"), _("Shift-M"), 'M')
+{
+       this->mwindow = mwindow;
+       set_shift(1);
+}
+
+int MixerViewer::handle_event()
+{
+       mwindow->start_mixer();
        return 1;
 }
 
+TileMixers::TileMixers(MWindow *mwindow)
+ : BC_MenuItem(_("Tile mixers"), "Alt-t", 't')
+{
+       this->mwindow = mwindow;
+       set_alt();
+}
+
+int TileMixers::handle_event()
+{
+       mwindow->tile_mixers();
+       return 1;
+}