/* === M E T H O D S ======================================================= */
Widget_Keyframe_List::Widget_Keyframe_List():
- editable_(false)
+ editable_(true),
+ adj_default(0,0,2,1/24,10/24),
+ adj_timescale(0),
+ fps(24)
{
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);
+ set_time_adjustment(&adj_default);
}
}
bool
-Widget_Gradient::redraw(GdkEventExpose */*bleh*/)
+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);
+
if(!editable_)
{
return true;
}
+ //! draw a background
gc->set_rgb_fg_color(Gdk::Color("#7f7f7f"));
get_window()->draw_rectangle(gc, false, 0, 0, w, h);
- KeyframeList::iterator iter,selected_iter;
+ //!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)
- get_style()->paint_arrow(
- get_window(),
- (*iter==selected_kf)?Gtk::STATE_SELECTED:Gtk::STATE_ACTIVE,
- Gtk::SHADOW_OUT,
- area,
- *this,
- " ",
- Gtk::ARROW_DOWN,
- 1,
- int(iter->get_time()*w)-h/2+1, /// to be fixed
- 0,
- h,
- h
- );
+ {
+ 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, 0, h, h );
+ }
else
{
selected_iter=iter;
}
// we do this so that we can be sure that
- // the selected marker is shown on top
+ // the selected keyframe is shown on top
if(show_selected)
{
- get_style()->paint_arrow(
- get_window(),
- Gtk::STATE_SELECTED,
- Gtk::SHADOW_OUT,
- area,
- *this,
- " ",
- Gtk::ARROW_DOWN,
- 1,
- round_to_int(selected_iter->get_time()*w)-h/2+1,
- 0,
- h,
- h
- );
+ const 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, 0, h, h );
}
return true;
void
-Widget_Keyframe_List::popup_menu(Time /*t*/)
-{
-/* Gtk::Menu* menu(manage(new Gtk::Menu()));
- menu->signal_hide().connect(sigc::bind(sigc::ptr_fun(&delete_widget), menu));
-
- menu->items().clear();
-
- menu->items().push_back(
- Gtk::Menu_Helpers::MenuElem(
- _("Insert CPoint"),
- sigc::bind(
- sigc::mem_fun(*this,&studio::Widget_Gradient::insert_cpoint),
- x
- )
- )
- );
-
- if(!gradient_.empty())
- {
- menu->items().push_back(
- Gtk::Menu_Helpers::MenuElem(
- _("Remove CPoint"),
- sigc::bind(
- sigc::mem_fun(*this,&studio::Widget_Gradient::remove_cpoint),
- x
- )
- )
- );
- }
-
- menu->popup(0,0);
-*/}
-
-void
-Widget_Keyframe_List::set_value(const synfig::KeyframeList& x)
+Widget_Keyframe_List::set_kf_list(const synfig::KeyframeList& x)
{
kf_list_=x;
if(kf_list_.size())
set_selected_keyframe(*kf_list_.find_next(synfig::Time::zero()));
- queue_draw();
}
void
Widget_Keyframe_List::set_selected_keyframe(const synfig::Keyframe &x)
{
selected_kf=x;
- signal_keyframe_selected_(selected_kf);
+ //signal_keyframe_selected_(selected_kf);
queue_draw();
}
-void
-Widget_Keyframe_List::update_keyframe(const synfig::Keyframe &x)
+bool
+Widget_Keyframe_List::perform_move_kf()
{
- try
- {
- KeyframeList::iterator iter(keyframe_list_.find(x));
- iter->pos=x.pos;///////7
- iter->color=x.color;/////////
- gradient_.sort();/////////
- queue_draw();
- }
- catch(synfig::Exception::NotFound)
- {
- // Yotta...
- }
+ return false;
}
bool
Widget_Keyframe_List::on_event(GdkEvent *event)
{
- //if(editable_)
+ 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/(float)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)(pos*(top-bottom)));
+ //! here the guts of the event
+ switch(event->type)
{
- const int x(static_cast<int>(event->button.x));
- const int y(static_cast<int>(event->button.y));
-
- float pos((float)x/(float)get_width());
- if(pos<0.0f)pos=0.0f;////////
- if(pos>1.0f)pos=1.0f;////////
-
- switch(event->type)
+ case GDK_MOTION_NOTIFY:
+ if(editable_)
{
- case GDK_MOTION_NOTIFY:
- if(editable_ && y>get_height()-h)
+ if(!kf_list_.size()) return true;
+ // stick to integer frames.
+ if(fps)
+ {
+ t = floor(t*fps + 0.5)/fps;
+ }
+ dragging_kf_time=t;
+ queue_draw();
+ return true;
+ }
+ break;
+ case GDK_BUTTON_PRESS:
+ changed_=false;
+ if(event->button.button==1)
+ {
+ if(editable_)
{
- if(!keyframe_list_.size()) return true;
- synfig::KeyframeList::iterator iter(keyframe_list_.find(selected_kf.get_guid()));
- iter->pos=pos;/////
- gradient_.sort();
-
-// signal_value_changed_();
- changed_=true;
+ synfig::KeyframeList::iterator selected;
+ selected = kf_list_.find_next(t);
+ set_selected_keyframe(*selected);
queue_draw();
return true;
}
- break;
- case GDK_BUTTON_PRESS:
- changed_=false;
- if(event->button.button==1)
+ else
{
- if(editable_ && y>get_height()-CONTROL_HEIGHT)
- {
- set_selected_cpoint(*gradient_.proximity(pos));
- queue_draw();
- return true;
- }
- else
- {
- signal_clicked_();
- return true;
- }
- }
- else if(editable_ && event->button.button==3)
- {
- popup_menu(pos);
return true;
}
- break;
- case GDK_BUTTON_RELEASE:
- if(editable_ && event->button.button==1 && y>get_height()-CONTROL_HEIGHT)
+ }
+ break;
+ case GDK_BUTTON_RELEASE:
+ if(editable_ && event->button.button==1)
+ {
+ // stick to integer frames.
+ if(fps)
{
- set_selected_cpoint(*gradient_.proximity(pos));
- if(changed_)signal_value_changed_();
- return true;
+ t = floor(t*fps + 0.5)/fps;
}
- default:
- break;
+ bool stat=perform_move_kf();
+ synfig::info("Dropping keyframe at: %s", t.get_string());
+ return stat;
}
+ 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));
+ }
+}
/* === H E A D E R S ======================================================= */
#include <gtkmm/drawingarea.h>
+#include <gtkmm/adjustment.h>
#include <synfig/keyframe.h>
+#include <sigc++/connection.h>
+
/* === M A C R O S ========================================================= */
class Widget_Keyframe_List : public Gtk::DrawingArea
{
- sigc::signal<void> signal_value_changed_;
- sigc::signal<void> signal_clicked_;
-
- sigc::signal<void,synfig::Keyframe> signal_keyframe_selected_;
+ //! Time adjustment window
+ Gtk::Adjustment adj_default;
+ Gtk::Adjustment *adj_timescale;
+ //!The list of keyframes to be drawn on the widget and moved with mouse
synfig::KeyframeList kf_list_;
+ //! The frames per second of the canvas
+ synfig::Time fps;
+ //!True if it is editable. Keyframes can be moved.
bool editable_;
+ //!True if a keyframe is being dragged.
+ bool dragging_;
+
+ //!True if a keyframe has been moved
bool changed_;
+ //!Holds the selected keyframe of the keyframe list
synfig::Keyframe selected_kf;
- void popup_menu(float x);
+ //!The time of the selected keyframe
+ synfig::Time selected_kf_time;
- //void insert_cpoint(float x);
+ //!The time of the selected keyframe during draging
+ synfig::Time dragging_kf_time;
- //void remove_cpoint(float x);
+ //!Connectors for handling the signals of the time adjustment
+ sigc::connection time_value_change;
+ sigc::connection time_other_change;
public:
+ //!Default constructor
Widget_Keyframe_List();
+ //!Destructror
~Widget_Keyframe_List();
- sigc::signal<void>& signal_value_changed() { return signal_value_changed_; }
- sigc::signal<void>& signal_clicked() { return signal_clicked_; }
-
- sigc::signal<void,synfig::Keyframe>& signal_keyframe_selected() { return signal_keyframe_selected_; }
+ //!Loads a new keyframe list on the widget.
+ void set_kf_list(const synfig::KeyframeList& x);
- void set_value(const synfig::KeyframeList& x);
-
- const synfig::KayframeList& get_value()const { return kf_list_; }
+ //!Member for private data.
+ const synfig::KeyframeList& get_kf_list()const { return kf_list_; }
+ //!Member for private data
void set_editable(bool x=true) { editable_=x; }
+ //!Member for private data
bool get_editable()const { return editable_; }
-
+ //!Store the selected keyframe value
void set_selected_keyframe(const synfig::Keyframe &x);
- const synfig::Kayframe& get_selected_keyframe() { return selected_kf; }
+ //!Returns the selected keyframe
+ const synfig::Keyframe& get_selected_keyframe() { return selected_kf; }
+
+ //! Set the time adjustment and proper connects its change signals
+ void set_time_adjustment(Gtk::Adjustment *x);
- void update_keyframe(const synfig::Keyframe &x);
+ //! Performs the keyframe movement. Returns true if it was sucessful
+ bool perform_move_kf();
+/* ======================= EVENTS HANDLERS ===========================*/
+ //!Redraw event. Should draw all the keyframes + the selected + the dragged
bool redraw(GdkEventExpose*bleh=NULL);
+ //!Mouse event handler.
bool on_event(GdkEvent *event);
}; // END of class Keyframe_List
projects / synfig.git / commitdiff