Add Play/Stop button to the Frame Dial.
[synfig.git] / synfig-studio / trunk / src / gtkmm / canvasview.cpp
index 8ba09bc..7c3aa0a 100644 (file)
 #include <synfig/valuenode_dynamiclist.h>
 #include <synfig/valuenode_twotone.h>
 #include <synfig/valuenode_stripes.h>
+#include <synfig/valuenode_blinecalctangent.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+#include <synfig/valuenode_blinecalcwidth.h>
+#include <synfig/valuenode_bline.h>
 #include <synfig/layer.h>
 
 #include <synfigapp/uimanager.h>
@@ -95,6 +99,7 @@
 #include "preview.h"
 #include "audiocontainer.h"
 #include "widget_timeslider.h"
+#include "keyframedial.h"
 
 #include <synfigapp/main.h>
 #include <synfigapp/inputdevice.h>
@@ -243,6 +248,37 @@ public:
                //view->progressbar->set_fraction(0);
        }
 
+       virtual Response confirmation(const std::string &title,
+                       const std::string &primaryText,
+                       const std::string &secondaryText,
+                       const std::string &confirmPhrase,
+                       const std::string &cancelPhrase,
+                       Response defaultResponse=RESPONSE_OK)
+       {
+               view->present();
+               //while(studio::App::events_pending())studio::App::iteration(false);
+               Gtk::MessageDialog dialog(
+                       *view,                  // Parent
+                       primaryText,            // Message
+                       false,                  // Markup
+                       Gtk::MESSAGE_WARNING,   // Type
+                       Gtk::BUTTONS_NONE,      // Buttons
+                       true                    // Modal
+               );
+
+               if (! title.empty())
+                       dialog.set_title(title);
+               if (! secondaryText.empty())
+                       dialog.set_secondary_text(secondaryText);
+
+               dialog.add_button(cancelPhrase, RESPONSE_CANCEL);
+               dialog.add_button(confirmPhrase, RESPONSE_OK);
+               dialog.set_default_response(defaultResponse);
+
+               dialog.show_all();
+               return (Response) dialog.run();
+       }
+
        virtual Response yes_no(const std::string &title, const std::string &message,Response dflt=RESPONSE_YES)
        {
                view->present();
@@ -910,6 +946,7 @@ CanvasView::create_time_bar()
 {
        Gtk::Image *icon;
 
+       //Setup the Time Slider and the Time window scroll
        Gtk::HScrollbar *time_window_scroll = manage(new class Gtk::HScrollbar(time_window_adjustment()));
        //Gtk::HScrollbar *time_scroll = manage(new class Gtk::HScrollbar(time_adjustment()));
        //TIME BAR TEMPORARY POSITION
@@ -929,17 +966,13 @@ CanvasView::create_time_bar()
        //time_scroll->signal_value_changed().connect(sigc::mem_fun(*work_area, &studio::WorkArea::render_preview_hook));
        //time_scroll->set_update_policy(Gtk::UPDATE_DISCONTINUOUS);
 
-       NORMAL_BUTTON(animatebutton,"gtk-yes",_("Animate"));
+       //Setup the Animation Mode Button and the Keyframe Lock button
+       Gtk::IconSize iconsize=Gtk::IconSize::from_name("synfig-small_icon");
+       SMALL_BUTTON(animatebutton,"gtk-yes",_("Animate"));
        animatebutton->signal_clicked().connect(sigc::mem_fun(*this, &studio::CanvasView::on_animate_button_pressed));
        animatebutton->show();
 
-       NORMAL_BUTTON(keyframebutton,"synfig-keyframe_lock_all",_("All Keyframes Locked"));
-       keyframebutton->signal_clicked().connect(sigc::mem_fun(*this, &studio::CanvasView::on_keyframe_button_pressed));
-       keyframebutton->show();
-
-       Gtk::Table *table= manage(new class Gtk::Table(2, 3, false));
-
-       //setup the audio display
+       //Setup the audio display
        disp_audio->set_size_request(-1,32); //disp_audio->show();
        disp_audio->set_time_adjustment(&time_adjustment());
        disp_audio->signal_start_scrubbing().connect(
@@ -951,15 +984,60 @@ CanvasView::create_time_bar()
        disp_audio->signal_stop_scrubbing().connect(
                sigc::mem_fun(*audio,&AudioContainer::stop_scrubbing)
        );
+       //Setup the current time widget
+       current_time_widget=manage(new Widget_Time);
+       current_time_widget->set_value(get_time());
+       current_time_widget->set_fps(get_canvas()->rend_desc().get_frame_rate());
+       current_time_widget->signal_value_changed().connect(
+               sigc::mem_fun(*this,&CanvasView::on_current_time_widget_changed)
+       );
+       current_time_widget->set_size_request(0,-1); // request horizontal shrink
+       tooltips.set_tip(*current_time_widget,_("Current time"));
+       current_time_widget->show();
+
+       //Setup the FrameDial widget
+       framedial = manage(new class FrameDial());
+       framedial->signal_seek_begin().connect(
+                       sigc::bind(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::seek_time), Time::begin())
+       );
+       framedial->signal_seek_prev_frame().connect(
+                       sigc::bind(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::seek_frame), -1)
+       );
+       framedial->signal_play_stop().connect(
+                       sigc::mem_fun(*this, &studio::CanvasView::on_play_stop_pressed)
+       );
+       framedial->signal_seek_next_frame().connect(
+                       sigc::bind(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::seek_frame), 1)
+       );
+       framedial->signal_seek_end().connect(
+                       sigc::bind(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::seek_time), Time::end())
+       );
+       framedial->show();
+
+       //Setup the KeyFrameDial widget
+       KeyFrameDial *keyframedial = Gtk::manage(new class KeyFrameDial());
+       keyframedial->signal_seek_prev_keyframe().connect(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::jump_to_prev_keyframe));
+       keyframedial->signal_seek_next_keyframe().connect(sigc::mem_fun(*canvas_interface().get(), &synfigapp::CanvasInterface::jump_to_next_keyframe));
+       keyframedial->signal_lock_keyframe().connect(sigc::mem_fun(*this, &studio::CanvasView::on_keyframe_button_pressed));
+       keyframedial->show();
+       keyframebutton=keyframedial->get_lock_button();
+
+       Gtk::Table *table = manage(new class Gtk::Table(5, 3, false));
+       timebar = table;
+
+       //Attach widgets to the time bar table
+       table->attach(*manage(disp_audio), 1, 5, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK);
+       table->attach(*framedial, 0, 1, 2, 3,Gtk::SHRINK, Gtk::SHRINK);
+       table->attach(*current_time_widget, 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
+       table->attach(*timeslider, 1, 3, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK);
+       table->attach(*time_window_scroll, 1, 3, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK);
+       table->attach(*keyframedial, 3, 4, 1, 2, Gtk::SHRINK, Gtk::SHRINK);
+       table->attach(*animatebutton, 4, 5, 1, 2, Gtk::SHRINK, Gtk::SHRINK);
+       //table->attach(*keyframebutton, 1, 2, 3, 4, Gtk::SHRINK, Gtk::SHRINK);
 
-       table->attach(*manage(disp_audio), 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK);
-       table->attach(*timeslider, 0, 1, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
-       table->attach(*time_window_scroll, 0, 1, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK, 0, 0);
 
-       table->attach(*animatebutton, 1, 2, 0, 3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
-       table->attach(*keyframebutton, 2, 3, 0, 3, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
-       timebar=table;
        table->show();
+
        return table;
 }
 
@@ -984,7 +1062,7 @@ CanvasView::create_status_bar()
        cancel=false;
 
        // Create the status bar at the bottom of the window
-       Gtk::Table *statusbartable= manage(new class Gtk::Table(7, 1, false));
+       Gtk::Table *statusbartable= manage(new class Gtk::Table(5, 1, false));
 //     statusbar = manage(new class Gtk::Statusbar()); // This is already done at construction
        progressbar =manage(new class Gtk::ProgressBar());
        SMALL_BUTTON(stopbutton,"gtk-stop",_("Stop"));
@@ -996,18 +1074,10 @@ CanvasView::create_status_bar()
 //     statusbartable->attach(*lowerbutton, 0, 1, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 //     statusbartable->attach(*raisebutton, 1, 2, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
 
-       current_time_widget=manage(new Widget_Time);
-       current_time_widget->set_value(get_time());
-       current_time_widget->set_fps(get_canvas()->rend_desc().get_frame_rate());
-       current_time_widget->signal_value_changed().connect(
-               sigc::mem_fun(*this,&CanvasView::on_current_time_widget_changed)
-       );
-
-       statusbartable->attach(*current_time_widget, 0, 1, 0, 1, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);
-       statusbartable->attach(*statusbar, 3, 4, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       statusbartable->attach(*progressbar, 4, 5, 0, 1, Gtk::SHRINK, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       statusbartable->attach(*refreshbutton, 5, 6, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
-       statusbartable->attach(*stopbutton, 6, 7, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
+       statusbartable->attach(*statusbar, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       statusbartable->attach(*progressbar, 2, 3, 0, 1, Gtk::SHRINK, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       statusbartable->attach(*refreshbutton, 3, 4, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
+       statusbartable->attach(*stopbutton, 4, 5, 0, 1, Gtk::SHRINK, Gtk::SHRINK, 0, 0);
        statusbar->set_has_resize_grip(false);
        statusbar->show();
        stopbutton->show();
@@ -1236,6 +1306,14 @@ CanvasView::init_menus()
                sigc::mem_fun(*work_area,&studio::WorkArea::select_all_ducks)
        );
 
+       action_group->add( Gtk::Action::create("unselect-all-ducks", _("Unselect All Ducks")),
+               sigc::mem_fun(*work_area,&studio::WorkArea::unselect_all_ducks)
+       );
+
+       action_group->add( Gtk::Action::create("select-all-layers", _("Select All Layers")),
+               sigc::mem_fun(*this,&CanvasView::on_select_layers)
+       );
+
        action_group->add( Gtk::Action::create("unselect-all-layers", _("Unselect All Layers")),
                sigc::mem_fun(*this,&CanvasView::on_unselect_layers)
        );
@@ -1324,13 +1402,13 @@ CanvasView::init_menus()
        {
                Glib::RefPtr<Gtk::ToggleAction> action;
 
-               action = Gtk::ToggleAction::create("toggle-grid-show", _("Show Grid"));
-               action->set_active(work_area->grid_status());
-               action_group->add(action, sigc::mem_fun(*work_area, &studio::WorkArea::toggle_grid));
+               grid_show_toggle = Gtk::ToggleAction::create("toggle-grid-show", _("Show Grid"));
+               grid_show_toggle->set_active(work_area->grid_status());
+               action_group->add(grid_show_toggle, sigc::mem_fun(*work_area, &studio::WorkArea::toggle_grid));
 
-               action = Gtk::ToggleAction::create("toggle-grid-snap", _("Snap to Grid"));
-               action->set_active(work_area->get_grid_snap());
-               action_group->add(action, sigc::mem_fun(*work_area, &studio::WorkArea::toggle_grid_snap));
+               grid_snap_toggle = Gtk::ToggleAction::create("toggle-grid-snap", _("Snap to Grid"));
+               grid_snap_toggle->set_active(work_area->get_grid_snap());
+               action_group->add(grid_snap_toggle, sigc::mem_fun(*work_area, &studio::WorkArea::toggle_grid_snap));
 
                action = Gtk::ToggleAction::create("toggle-guide-show", _("Show Guides"));
                action->set_active(work_area->get_show_guides());
@@ -1391,22 +1469,26 @@ CanvasView::init_menus()
 
        }
 
-#define DUCK_MASK(lower,upper,string)  \
-       duck_mask_##lower=Gtk::ToggleAction::create("mask-" #lower "-ducks", string); \
-       duck_mask_##lower->set_active((bool)(work_area->get_type_mask()&Duck::TYPE_##upper)); \
-       action_group->add( duck_mask_##lower, \
-               sigc::bind( \
-                       sigc::mem_fun(*this, &studio::CanvasView::toggle_duck_mask), \
-                       Duck::TYPE_##upper \
-               ) \
-       )
-       DUCK_MASK(position,POSITION,_("Show Position Ducks"));
-       DUCK_MASK(tangent,TANGENT,_("Show Tangent Ducks"));
-       DUCK_MASK(vertex,VERTEX,_("Show Vertex Ducks"));
-       DUCK_MASK(radius,RADIUS,_("Show Radius Ducks"));
-       DUCK_MASK(width,WIDTH,_("Show Width Ducks"));
-       DUCK_MASK(angle,ANGLE,_("Show Angle Ducks"));
+       {
+               Glib::RefPtr<Gtk::ToggleAction> action;
+
+#define DUCK_MASK(lower,upper,string)                                                                                          \
+               action=Gtk::ToggleAction::create("mask-" #lower "-ducks", string);                      \
+               action->set_active((bool)(work_area->get_type_mask()&Duck::TYPE_##upper));      \
+               action_group->add(action,                                                                                                       \
+                       sigc::bind(                                                                                                                             \
+                               sigc::mem_fun(*this, &studio::CanvasView::toggle_duck_mask),            \
+                               Duck::TYPE_##upper))
+
+               DUCK_MASK(position,POSITION,_("Show Position Ducks"));
+               DUCK_MASK(tangent,TANGENT,_("Show Tangent Ducks"));
+               DUCK_MASK(vertex,VERTEX,_("Show Vertex Ducks"));
+               DUCK_MASK(radius,RADIUS,_("Show Radius Ducks"));
+               DUCK_MASK(width,WIDTH,_("Show Width Ducks"));
+               DUCK_MASK(angle,ANGLE,_("Show Angle Ducks"));
+
 #undef DUCK_MASK
+       }
 
        add_accel_group(App::ui_manager()->get_accel_group());
 
@@ -1512,6 +1594,8 @@ CanvasView::init_menus()
 //     editmenu.items().push_back(Gtk::Menu_Helpers::StockMenuElem(Gtk::StockID("gtk-paste"),NOT_IMPLEMENTED_SLOT));
 //     editmenu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 //     editmenu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Select All Ducks"),Gtk::AccelKey('E',Gdk::CONTROL_MASK),sigc::mem_fun(*work_area,&studio::WorkArea::select_all_ducks)));
+//     editmenu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Unselect All Ducks"),Gtk::AccelKey('E',Gdk::CONTROL_MASK),sigc::mem_fun(*work_area,&studio::WorkArea::unselect_all_ducks)));
+//     editmenu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Select All Layers"),Gtk::AccelKey('A',Gdk::CONTROL_MASK),sigc::mem_fun(*this,&CanvasView::on_select_layers)));
 //     editmenu.items().push_back(Gtk::Menu_Helpers::MenuElem(_("Unselect All Layers"),Gtk::AccelKey('D',Gdk::CONTROL_MASK),sigc::mem_fun(*this,&CanvasView::on_unselect_layers)));
 //     editmenu.items().push_back(Gtk::Menu_Helpers::SeparatorElem());
 //
@@ -1711,6 +1795,14 @@ CanvasView::init_menus()
 }
 
 void
+CanvasView::on_select_layers()
+{
+       Canvas::Handle canvas(get_canvas());
+       for (CanvasBase::iterator iter = canvas->begin(); iter != canvas->end(); iter++)
+               layer_tree->select_all_children_layers(*iter);
+}
+
+void
 CanvasView::on_unselect_layers()
 {
        layer_tree->clear_selected_layers();
@@ -1954,6 +2046,18 @@ CanvasView::refresh_rend_desc()
        }
 
        //clamp time to big bounds...
+       if(time_window_adjustment().get_value() < begin_time)
+       {
+               time_window_adjustment().set_value(begin_time);
+               time_window_adjustment().value_changed();
+       }
+
+       if(time_window_adjustment().get_value() + time_window_adjustment().get_page_size() > end_time)
+       {
+               time_window_adjustment().set_value(end_time - time_window_adjustment().get_page_size());
+               time_window_adjustment().value_changed();
+       }
+
        if(time_adjustment().get_value() < begin_time)
        {
                time_adjustment().set_value(begin_time);
@@ -2000,6 +2104,7 @@ static bool _close_instance(etl::handle<Instance> instance)
 bool
 CanvasView::close_instance()
 {
+#ifdef SINGLE_THREADED
        if (get_work_area()->get_updating())
        {
                get_work_area()->stop_updating(true); // stop and mark as cancelled
@@ -2010,6 +2115,7 @@ CanvasView::close_instance()
                        250);
        }
        else
+#endif
                Glib::signal_timeout().connect(
                        sigc::bind(sigc::ptr_fun(_close_instance),
                                           (etl::handle<Instance>)get_instance()),
@@ -2031,14 +2137,20 @@ CanvasView::update_title()
 {
        string title;
 
-       if(get_instance()->synfigapp::Instance::get_action_count())
-               title="*";
-       title+=etl::basename(get_instance()->get_file_name())
-               +" : ";
-       if(get_canvas()->get_name().empty())
-               title+='"'+get_canvas()->get_id()+'"';
-       else
-               title+='"'+get_canvas()->get_name()+'"';
+       title = strprintf("%s%s\"%s\"",
+                                         (
+                                                 get_instance()->get_action_count()
+                                                 ? "*"
+                                                 : ""
+                                         ), (
+                                                 get_instance()->has_real_filename()
+                                                 ? (etl::basename(get_instance()->get_file_name()) + " : ").c_str()
+                                                 : ""
+                                         ), (
+                                                 get_canvas()->get_name().empty()
+                                                 ? get_canvas()->get_id().c_str()
+                                                 : get_canvas()->get_name().c_str()
+                                         ));
 
        if(get_instance()->synfigapp::Instance::in_repository())
        {
@@ -2127,7 +2239,7 @@ CanvasView::build_tables()
 void
 CanvasView::on_layer_toggle(synfig::Layer::Handle layer)
 {
-       synfigapp::Action::Handle action(synfigapp::Action::create("layer_activate"));
+       synfigapp::Action::Handle action(synfigapp::Action::create("LayerActivate"));
        assert(action);
 
        if(!action)
@@ -2147,10 +2259,10 @@ CanvasView::on_layer_toggle(synfig::Layer::Handle layer)
 }
 
 void
-CanvasView::popup_param_menu(synfigapp::ValueDesc value_desc, float location)
+CanvasView::popup_param_menu(synfigapp::ValueDesc value_desc, float location, bool bezier)
 {
        parammenu.items().clear();
-       get_instance()->make_param_menu(&parammenu,get_canvas(),value_desc,location);
+       get_instance()->make_param_menu(&parammenu,get_canvas(),value_desc,location,bezier);
 
        parammenu.popup(3,gtk_get_current_event_time());
 }
@@ -2408,6 +2520,7 @@ CanvasView::time_zoom_in()
        time_window_adjustment().set_page_size(time_window_adjustment().get_page_size()*0.75);
        if (time_window_adjustment().get_page_size() < min_page_size)
                time_window_adjustment().set_page_size(min_page_size);
+       time_window_adjustment().set_page_increment(time_window_adjustment().get_page_size());
        time_window_adjustment().changed();
 
        refresh_time_window();
@@ -2422,6 +2535,7 @@ CanvasView::time_zoom_out()
        time_window_adjustment().set_page_size(time_window_adjustment().get_page_size()/0.75);
        if (time_window_adjustment().get_page_size() > length)
                time_window_adjustment().set_page_size(length);
+       time_window_adjustment().set_page_increment(time_window_adjustment().get_page_size());
        time_window_adjustment().changed();
 
        refresh_time_window();
@@ -2569,25 +2683,94 @@ CanvasView::duck_change_param(const synfig::Point &value,synfig::Layer::Handle l
 bool
 CanvasView::on_duck_changed(const synfig::Point &value,const synfigapp::ValueDesc& value_desc)
 {
+       if (ValueNode_BLineCalcWidth::Handle bline_width = ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_desc.get_value_node()))
+       {
+               Real old_width((*bline_width)(get_time()).get(Real()));
+               Real new_width(value.mag());
+               int scale_index(bline_width->get_link_index_from_name("scale"));
+               Real scale((*(bline_width->get_link(scale_index)))(get_time()).get(Real()));
+               return canvas_interface()->change_value(synfigapp::ValueDesc(bline_width,scale_index), new_width * scale / old_width);
+       }
+
+       if (ValueNode_BLineCalcVertex::Handle bline_vertex = ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_desc.get_value_node()))
+       {
+               ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline")));
+               Real radius = 0.0;
+               Real amount = synfig::find_closest_point((*bline)(get_time()), value, radius, bline->get_loop());
+               return canvas_interface()->change_value(synfigapp::ValueDesc(bline_vertex,bline_vertex->get_link_index_from_name("amount")), amount);
+       }
+
+       if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
+       {
+               switch(value_desc.get_value_type())
+               {
+               case ValueBase::TYPE_REAL:
+               {
+                       Real old_length = (*bline_tangent)(get_time()).get(Real());
+                       Real new_length = value.mag();
+                       int scale_index(bline_tangent->get_link_index_from_name("scale"));
+                       int fixed_length_index(bline_tangent->get_link_index_from_name("fixed_length"));
+                       Real scale((*(bline_tangent->get_link(scale_index)))(get_time()).get(Real()));
+                       bool fixed_length((*(bline_tangent->get_link(fixed_length_index)))(get_time()).get(bool()));
+                       if (fixed_length)
+                               return canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length);
+                       if (old_length == 0)
+                               return true;
+                       return canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length * scale / old_length);
+               }
+
+               case ValueBase::TYPE_ANGLE:
+                       assert(0);                      // doesn't happen?
+                       break;
+
+               case ValueBase::TYPE_VECTOR:
+               {
+                       Vector old_tangent = (*bline_tangent)(get_time()).get(Vector());
+                       Angle old_angle = old_tangent.angle();
+                       Real old_length = old_tangent.mag();
+                       Angle new_angle = value.angle();
+                       Real new_length = value.mag();
+                       int offset_index(bline_tangent->get_link_index_from_name("offset"));
+                       int scale_index(bline_tangent->get_link_index_from_name("scale"));
+                       int fixed_length_index(bline_tangent->get_link_index_from_name("fixed_length"));
+                       Angle old_offset((*(bline_tangent->get_link(offset_index)))(get_time()).get(Angle()));
+                       Real scale((*(bline_tangent->get_link(scale_index)))(get_time()).get(Real()));
+                       bool fixed_length((*(bline_tangent->get_link(fixed_length_index)))(get_time()).get(bool()));
+                       if (fixed_length)
+                       {
+                               if (!(canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length)))
+                                       return false;
+                       }
+                       else if (old_length != 0 && !(canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,scale_index), new_length * scale / old_length)))
+                               return false;
+                       return canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,offset_index), old_offset + new_angle - old_angle);
+               }
+               default:
+                       break;
+               }
+       }
+
        switch(value_desc.get_value_type())
        {
        case ValueBase::TYPE_REAL:
                return canvas_interface()->change_value(value_desc,value.mag());
-               break;
        case ValueBase::TYPE_ANGLE:
                return canvas_interface()->change_value(value_desc,Angle::tan(value[1],value[0]));
-               break;
        default:
                return canvas_interface()->change_value(value_desc,value);
-               break;
        }
-
-       return true;
 }
 
 bool
 CanvasView::on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc)
 {
+       if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
+       {
+               int offset_index(bline_tangent->get_link_index_from_name("offset"));
+               Angle old_offset((*(bline_tangent->get_link(offset_index)))(get_time()).get(Angle()));
+               return canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,offset_index), old_offset + rotation);
+       }
+
        // \todo will this really always be the case?
        assert(value_desc.get_value_type() == ValueBase::TYPE_ANGLE);
        return canvas_interface()->change_value(value_desc, value_desc.get_value(get_time()).get(Angle()) + rotation);
@@ -2725,15 +2908,16 @@ CanvasView::rebuild_ducks_layer_(synfig::TransformStack& transform_stack, synfig
                        Vector origin(layer->get_param("origin").get(Vector()));
 
                        Canvas::Handle child_canvas(layer->get_param("canvas").get(Canvas::Handle()));
+                       Vector focus(layer->get_param("focus").get(Vector()));
 
                        if(!scale.is_equal_to(Vector(1,1)))
-                               transform_stack.push(new Transform_Scale(scale,origin));
-                       if(!scale.is_equal_to(Vector(0,0)))
-                               transform_stack.push(new Transform_Translate(origin));
+                               transform_stack.push(new Transform_Scale(layer->get_guid(), scale,origin+focus));
+                       if(!origin.is_equal_to(Vector(0,0)))
+                               transform_stack.push(new Transform_Translate(layer->get_guid(), origin));
 
                        rebuild_ducks_layer_(transform_stack,child_canvas,selected_list);
 
-                       if(!scale.is_equal_to(Vector(0,0)))
+                       if(!origin.is_equal_to(Vector(0,0)))
                                transform_stack.pop();
                        if(!scale.is_equal_to(Vector(1,1)))
                                transform_stack.pop();
@@ -2972,8 +3156,8 @@ CanvasView::play()
                        return;
                }
        }
+       on_play_stop_pressed();
        is_playing_=false;
-
        time_adjustment().set_value(endtime);
        time_adjustment().value_changed();
 }
@@ -3030,7 +3214,7 @@ void
 CanvasView::show_timebar()
 {
        timebar->show();
-       current_time_widget->show();
+       //current_time_widget->show(); // not needed now that belongs to the timebar
 
        //keyframe_tab_child->show();
        if(layer_tree)
@@ -3043,7 +3227,7 @@ void
 CanvasView::hide_timebar()
 {
        timebar->hide();
-       current_time_widget->hide();
+       //current_time_widget->hide(); // not needed now that belongs to the timebar
        //keyframe_tab_child->hide();
        if(layer_tree)
                layer_tree->set_show_timetrack(false);
@@ -3055,7 +3239,7 @@ void
 CanvasView::set_sensitive_timebar(bool sensitive)
 {
        timebar->set_sensitive(sensitive);
-       current_time_widget->set_sensitive(sensitive);
+       //current_time_widget->set_sensitive(sensitive); //not needed now that belongs to timebar
        //keyframe_tab_child->set_sensitive(sensitive);
        if(layer_tree)
                layer_tree->set_sensitive(sensitive);
@@ -3077,7 +3261,7 @@ set_waypoint_model(std::set<synfig::Waypoint, std::less<UniqueID> > waypoints,
                Waypoint waypoint(*iter);
                waypoint.apply_model(model);
 
-               synfigapp::Action::Handle action(synfigapp::Action::create("waypoint_set"));
+               synfigapp::Action::Handle action(synfigapp::Action::create("WaypointSet"));
 
                assert(action);
 
@@ -3202,6 +3386,16 @@ CanvasView::on_waypoint_clicked_canvasview(synfigapp::ValueDesc value_desc,
                }
 
                // ------------------------------------------------------------------------
+               if (size == 1)
+               {
+                       const synfigapp::ValueDesc value_desc(synfig::ValueNode_Animated::Handle::cast_reinterpret(waypoint.get_parent_value_node()), time);
+                       get_instance()->make_param_menu(waypoint_menu,canvas_interface()->get_canvas(),value_desc,0.5f);
+
+                       // ------------------------------------------------------------------------
+                       waypoint_menu->items().push_back(Gtk::Menu_Helpers::SeparatorElem());
+               }
+
+               // ------------------------------------------------------------------------
                waypoint_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(_("_Jump To"),
                        sigc::bind(sigc::mem_fun(*canvas_interface(), &synfigapp::CanvasInterface::set_time), time)));
 
@@ -3243,7 +3437,7 @@ CanvasView::on_waypoint_changed()
        param_list.add("waypoint",waypoint_dialog.get_waypoint());
 //     param_list.add("time",canvas_interface()->get_time());
 
-       get_instance()->process_action("waypoint_set_smart", param_list);
+       get_instance()->process_action("WaypointSetSmart", param_list);
 }
 
 void
@@ -3256,7 +3450,7 @@ CanvasView::on_waypoint_delete()
        param_list.add("waypoint",waypoint_dialog.get_waypoint());
 //     param_list.add("time",canvas_interface()->get_time());
 
-       get_instance()->process_action("waypoint_remove", param_list);
+       get_instance()->process_action("WaypointRemove", param_list);
 }
 
 void
@@ -3280,7 +3474,7 @@ CanvasView::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& con
                        if(!layer->set_param("text",ValueBase(selection_data)))
                                break;
 
-                       synfigapp::Action::Handle       action(synfigapp::Action::create("layer_add"));
+                       synfigapp::Action::Handle       action(synfigapp::Action::create("LayerAdd"));
 
                        assert(action);
                        if(!action)
@@ -3344,8 +3538,11 @@ CanvasView::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& con
                                }
                                else
                                {
-                                       if(canvas_interface()->import(filename))
+                                       String errors, warnings;
+                                       if(canvas_interface()->import(filename, errors, warnings, App::resize_imported_images))
                                                success=true;
+                                       if (warnings != "")
+                                               App::dialog_warning_blocking(_("Warnings"), strprintf("%s:\n\n%s", _("Warnings"), warnings.c_str()));
                                }
 
                                continue;
@@ -3362,7 +3559,7 @@ CanvasView::on_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& con
 void
 CanvasView::on_keyframe_add_pressed()
 {
-       synfigapp::Action::Handle action(synfigapp::Action::create("keyframe_add"));
+       synfigapp::Action::Handle action(synfigapp::Action::create("KeyframeAdd"));
 
        if(!action)
        {
@@ -3390,7 +3587,7 @@ CanvasView::on_keyframe_duplicate_pressed()
        }
        keyframe=row[model.keyframe];
 
-       synfigapp::Action::Handle action(synfigapp::Action::create("keyframe_duplicate"));
+       synfigapp::Action::Handle action(synfigapp::Action::create("KeyframeDuplicate"));
 
        if(!action)
        {
@@ -3419,7 +3616,7 @@ CanvasView::on_keyframe_remove_pressed()
        }
        keyframe=row[model.keyframe];
 
-       synfigapp::Action::Handle action(synfigapp::Action::create("keyframe_remove"));
+       synfigapp::Action::Handle action(synfigapp::Action::create("KeyframeRemove"));
 
        if(!action)
        {
@@ -3439,43 +3636,6 @@ CanvasView::toggle_duck_mask(Duckmatic::Type type)
 {
        bool is_currently_on(work_area->get_type_mask()&type);
 
-       switch(type)
-       {
-       case Duck::TYPE_POSITION:
-               if(duck_mask_position)
-                       duck_mask_position->set_active(!is_currently_on);
-               break;
-
-       case Duck::TYPE_VERTEX:
-               if(duck_mask_vertex)
-                       duck_mask_vertex->set_active(!is_currently_on);
-               break;
-
-       case Duck::TYPE_TANGENT:
-               if(duck_mask_tangent)
-                       duck_mask_tangent->set_active(!is_currently_on);
-               break;
-
-       case Duck::TYPE_RADIUS:
-               if(duck_mask_radius)
-                       duck_mask_radius->set_active(!is_currently_on);
-               break;
-
-       case Duck::TYPE_WIDTH:
-               if(duck_mask_width)
-                       duck_mask_width->set_active(!is_currently_on);
-               break;
-
-       case Duck::TYPE_ANGLE:
-               if(duck_mask_angle)
-                       duck_mask_angle->set_active(!is_currently_on);
-               break;
-
-       default:
-               synfig::warning("CanvasView::toggle_duck_mask():Unknown duck type!");
-               break;
-       }
-
        if(is_currently_on)
                work_area->set_type_mask(work_area->get_type_mask()-type);
        else
@@ -3489,8 +3649,13 @@ CanvasView::image_import()
 {
        // String filename(dirname(get_canvas()->get_file_name()));
        String filename("*.*");
+       String errors, warnings;
        if(App::dialog_open_file(_("Import Image"), filename, IMAGE_DIR_PREFERENCE))
-               canvas_interface()->import(filename);
+       {
+               canvas_interface()->import(filename, errors, warnings, App::resize_imported_images);
+               if (warnings != "")
+                       App::dialog_warning_blocking(_("Warnings"), strprintf("%s:\n\n%s", _("Warnings"), warnings.c_str()));
+       }
 }
 
 Smach::event_result
@@ -3756,3 +3921,30 @@ CanvasView::on_delete_event(GdkEventAny* event __attribute__ ((unused)))
 
        return true;
 }
+
+//! Modify the play stop button apearence and play stop the animation
+void
+CanvasView::on_play_stop_pressed()
+{
+       Gtk::Image *icon;
+       Gtk::Button *stop_button;
+       stop_button=framedial->get_play_button();
+       bool play_flag;
+       if(!is_playing())
+       {
+               icon = manage(new Gtk::Image(Gtk::Stock::MEDIA_STOP, Gtk::IconSize::from_name("synfig-small_icon")));
+               stop_button->set_relief(Gtk::RELIEF_NORMAL);
+               play_flag=true;
+       }
+       else
+       {
+               icon = manage(new Gtk::Image(Gtk::Stock::MEDIA_PLAY, Gtk::IconSize::from_name("synfig-small_icon")));
+               stop_button->set_relief(Gtk::RELIEF_NONE);
+               play_flag=false;
+       }
+       stop_button->remove();
+       stop_button->add(*icon);
+       icon->set_padding(0, 0);
+       icon->show();
+       if(play_flag) play(); else stop();
+}