+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file widget_keyframe_list.cpp
-** \brief A custom widget to manage keyframes in the timeline.
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
-** Copyright (c) 2009 Carlos López
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "widget_keyframe_list.h"
-#include "app.h"
-#include <gtkmm/menu.h>
-#include <synfig/exception.h>
-#include <ETL/misc>
-
-#include "general.h"
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-using namespace studio;
-
-
-/* === M A C R O S ========================================================= */
-#define WIDGET_KEYFRAME_LIST_DEFAULT_FPS 24.0
-/* === G L O B A L S ======================================================= */
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Widget_Keyframe_List::Widget_Keyframe_List():
- adj_default(0,0,2,1/WIDGET_KEYFRAME_LIST_DEFAULT_FPS,10/WIDGET_KEYFRAME_LIST_DEFAULT_FPS),
- kf_list_(&default_kf_list_),
- time_ratio("4f", WIDGET_KEYFRAME_LIST_DEFAULT_FPS)
-{
- adj_timescale=0;
- editable_=true;
- fps=WIDGET_KEYFRAME_LIST_DEFAULT_FPS;
- set_size_request(-1,64);
- //!This signal is called when the widget need to be redrawn
- signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Keyframe_List::redraw));
- //! The widget respond to mouse button press and release and to
- //! left button motion
- add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
- add_events(Gdk::BUTTON1_MOTION_MASK /*| Gdk::BUTTON3_MOTION_MASK*/);
- add_events(Gdk::POINTER_MOTION_MASK);
- set_time_adjustment(&adj_default);
- queue_draw();
-}
-
-Widget_Keyframe_List::~Widget_Keyframe_List()
-{
-}
-
-bool
-Widget_Keyframe_List::redraw(GdkEventExpose */*bleh*/)
-{
-
- const int h(get_height());
- const int w(get_width());
-
- //!Boundaries of the drawing area in time units.
- synfig::Time top(adj_timescale->get_upper());
- synfig::Time bottom(adj_timescale->get_lower());
-
- //! The graphic context
- Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
- //! A rectangle that defines the drawing area.
- Gdk::Rectangle area(0,0,w,h);
-
- //! draw a background
- gc->set_rgb_fg_color(Gdk::Color("#9d9d9d"));
- get_window()->draw_rectangle(gc, true, 0, 0, w, h);
-
- if(!editable_)
- {
- return true; //needs fixing!
- }
- //!Returns if there are not keyframes to draw.
- if (kf_list_->empty()) return false;
-
- //!Loop all the keyframes
- synfig::KeyframeList::iterator iter,selected_iter;
- bool show_selected(false);
- for(iter=kf_list_->begin();iter!=kf_list_->end();iter++)
- {
- //!do not draw keyframes out of the widget boundaries
- if (iter->get_time()>top || iter->get_time()<bottom)
- continue;
- //! If the keyframe is not the selected one
- if(*iter!=selected_kf)
- {
- const int x((int)((float)(iter->get_time()-bottom) * (w/(top-bottom)) ) );
- get_style()->paint_arrow(get_window(), Gtk::STATE_NORMAL,
- Gtk::SHADOW_OUT, area, *this, " ", Gtk::ARROW_DOWN, 1,
- x-h/2+1, 0, h, h );
- }
- else
- {
- selected_iter=iter;
- show_selected=true;
- }
- }
-
- // we do this so that we can be sure that
- // the selected keyframe is shown on top
- if(show_selected)
- {
- // If not dragging just show the selected keyframe
- if (!dragging_)
- {
- int x((int)((float)(selected_iter->get_time()-bottom) * (w/(top-bottom)) ) );
- get_style()->paint_arrow(get_window(), Gtk::STATE_SELECTED,
- Gtk::SHADOW_OUT, area, *this, " ", Gtk::ARROW_DOWN, 1,
- x-h/2+1, 0, h, h );
- }
- // If dragging then show the selected as insensitive and the
- // dragged as selected
- else
- {
- int x((int)((float)(selected_iter->get_time()-bottom) * (w/(top-bottom)) ) );
- get_style()->paint_arrow(get_window(), Gtk::STATE_INSENSITIVE,
- Gtk::SHADOW_OUT, area, *this, " ", Gtk::ARROW_DOWN, 1,
- x-h/2, 0, h, h );
- x=(int)((float)(dragging_kf_time-bottom) * (w/(top-bottom)) ) ;
- get_style()->paint_arrow(get_window(), Gtk::STATE_SELECTED,
- Gtk::SHADOW_OUT, area, *this, " ", Gtk::ARROW_DOWN, 1,
- x-h/2+1, 0, h, h );
- }
- }
- return true;
-}
-
-
-void
-Widget_Keyframe_List::set_kf_list(synfig::KeyframeList* x)
-{
- kf_list_=x;
- set_selected_keyframe(selected_none);
- selected_=false;
- dragging_=false;
-}
-
-void
-Widget_Keyframe_List::set_selected_keyframe(const synfig::Keyframe &x)
-{
- selected_kf=x;
- selected_=true;
- dragging_kf_time=selected_kf.get_time();
- //signal_keyframe_selected_(selected_kf);
- dragging_=false;
- queue_draw();
-}
-
-bool
-Widget_Keyframe_List::perform_move_kf(bool delta=false)
-{
- if(!selected_)
- return false;
- if(dragging_kf_time == selected_kf.get_time())
- return false; // change this checking if not sticked to integer frames
- Time selected_kf_time(selected_kf.get_time());
- Time prev, next;
- kf_list_->find_prev_next(selected_kf_time, prev, next);
- // Not possible to set delta to the first keyframe
- // perform normal movement
- // As suggested by Zelgadis it is better to not perform anything.
- if (prev==Time::begin() && delta==true)
- {
- synfig::info(_("Not possible to ALT-drag the first keyframe"));
- return false;
- }
- if(!delta)
- {
- synfigapp::Action::Handle action(synfigapp::Action::create("KeyframeSet"));
- if(!action)
- return false;
- selected_kf.set_time(dragging_kf_time);
- action->set_param("canvas",canvas_interface_->get_canvas());
- action->set_param("canvas_interface",canvas_interface_);
- action->set_param("keyframe",selected_kf);
- try
- {
- canvas_interface_->get_instance()->perform_action(action);
- }
- catch(...)
- {
- return false;
- }
- }
- else
- {
- Keyframe prev_kf(*kf_list_->find_prev(selected_kf_time));
- Time prev_kf_time(prev_kf.get_time());
- if (prev_kf_time >= dragging_kf_time) //Not allowed
- {
- synfig::warning(_("Delta set not allowed"));
- synfig::info(_("Widget_Keyframe_List::perform_move_kf(%i)::prev_kf_time=%s"), delta, prev_kf_time.get_string().c_str());
- synfig::info(_("Widget_Keyframe_List::perform_move_kf(%i)::dragging_kf_time=%s"), delta, dragging_kf_time.get_string().c_str());
- return false;
- }
- else
- {
- Time old_delta_time(selected_kf_time-prev_kf_time);
- Time new_delta_time(dragging_kf_time-prev_kf_time);
- Time change_delta(new_delta_time-old_delta_time);
- synfigapp::Action::Handle action(synfigapp::Action::create("KeyframeSetDelta"));
- if(!action)
- return false;
- action->set_param("canvas",canvas_interface_->get_canvas());
- action->set_param("canvas_interface",canvas_interface_);
- action->set_param("keyframe",prev_kf);
- action->set_param("delta",change_delta);
- canvas_interface_->get_instance()->perform_action(action);
- }
- }
- queue_draw();
- return true;
-}
-
-bool
-Widget_Keyframe_List::on_event(GdkEvent *event)
-{
- const int x(static_cast<int>(event->button.x));
- //const int y(static_cast<int>(event->button.y));
- //!Boundaries of the drawing area in time units.
- synfig::Time top(adj_timescale->get_upper());
- synfig::Time bottom(adj_timescale->get_lower());
- //!pos is the [0,1] relative horizontal place on the widget
- float pos((float)x/(get_width()));
- if(pos<0.0f)pos=0.0f;
- if(pos>1.0f)pos=1.0f;
- //! The time where the event x is
- synfig::Time t((float)(bottom+pos*(top-bottom)));
- //Do not respond mouse events if the list is empty
- if(!kf_list_->size())
- return true;
-
- //! here the guts of the event
- switch(event->type)
- {
- case GDK_MOTION_NOTIFY:
- if(editable_)
- {
- // here is captured mouse motion
- // AND left or right mouse button pressed
- if (event->motion.state & (GDK_BUTTON1_MASK /*| GDK_BUTTON3_MASK*/))
- {
- // stick to integer frames. It can be optional in the future
- if(fps) t = floor(t*fps + 0.5)/fps;
- dragging_kf_time=t;
- dragging_=true;
- queue_draw();
- return true;
- }
- // here is captured mouse motion
- // AND NOT left or right mouse button pressed
- else
- {
- Glib::ustring ttip="";
- synfig::Time p_t,n_t;
- kf_list_->find_prev_next(t, p_t, n_t);
- if( (p_t==Time::begin() && n_t==Time::end())
- ||
- ((t-p_t)>time_ratio && (n_t-t)>time_ratio)
- )
- {
- ttip = _("Click and drag keyframes");
- }
- else if ((t-p_t)<(n_t-t))
- {
- synfig::Keyframe kf(*kf_list_->find_prev(t));
- synfig::String kf_name(kf.get_description().c_str());
- ttip = kf_name.c_str();
- }
- else
- {
- synfig::Keyframe kf(*kf_list_->find_next(t));
- synfig::String kf_name(kf.get_description().c_str());
- ttip = kf_name.c_str();
- }
- tooltips.set_tip(*this, ttip);
- dragging_=false;
- queue_draw();
- return true;
- }
- }
- break;
- case GDK_BUTTON_PRESS:
- changed_=false;
- dragging_=false;
- if(event->button.button==1 /*|| event->button.button==3*/)
- {
- if(editable_)
- {
- synfig::Time prev_t,next_t;
- kf_list_->find_prev_next(t, prev_t, next_t);
- if( (prev_t==Time::begin() && next_t==Time::end())
- ||
- ((t-prev_t)>time_ratio && (next_t-t)>time_ratio)
- )
- {
- set_selected_keyframe(selected_none);
- selected_=false;
- queue_draw();
- }
- else if ((t-prev_t)<(next_t-t))
- {
- set_selected_keyframe(*(kf_list_->find_prev(t)));
- queue_draw();
- selected_=true;
- }
- else
- {
- set_selected_keyframe(*(kf_list_->find_next(t)));
- queue_draw();
- selected_=true;
- }
- return true;
- }
- else
- {
- return false;
- }
- }
-
- break;
- case GDK_BUTTON_RELEASE:
- if(editable_ && (event->button.button==1 /*|| event->button.button==3*/))
- {
- // stick to integer frames.
- if(fps) t = floor(t*fps + 0.5)/fps;
- bool stat=false;
- if(dragging_)
- {
- //if (event->button.button==3)
- if(event->button.state & GDK_MOD1_MASK)
- {
- stat=perform_move_kf(true);
- }
- else
- {
- stat=perform_move_kf(false);
- }
- }
- dragging_=false;
- return stat;
- }
- break;
- default:
- break;
- }
- return false;
-}
-
-
-void Widget_Keyframe_List::set_time_adjustment(Gtk::Adjustment *x)
-{
- //disconnect old connections
- time_value_change.disconnect();
- time_other_change.disconnect();
-
- //connect update function to new adjustment
- adj_timescale = x;
-
- if(x)
- {
- time_value_change = x->signal_value_changed().connect(sigc::mem_fun(*this,&Widget_Keyframe_List::queue_draw));
- time_other_change = x->signal_changed().connect(sigc::mem_fun(*this,&Widget_Keyframe_List::queue_draw));
- }
-}
-
-void
-Widget_Keyframe_List::set_fps(float d)
-{
- if(fps != d)
- {
- fps = d;
- //update everything since we need to redraw already
- queue_draw();
- }
-}
-
-void
-Widget_Keyframe_List::set_canvas_interface(etl::loose_handle<synfigapp::CanvasInterface> h)
-{
- canvas_interface_=h;
- // Store the values used fomr the canvas interface.
- if (canvas_interface_)
- {
- set_fps(canvas_interface_->get_canvas()->rend_desc().get_frame_rate());
- set_kf_list(&canvas_interface_->get_canvas()->keyframe_list());
- }
-}
-
-
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