X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fwidget_keyframe_list.cpp;fp=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fwidget_keyframe_list.cpp;h=ace2b98b4a925dc14c1afea5045587524998fa39;hb=4be650adcbea49129f3869d8596255ace7f987b1;hp=0000000000000000000000000000000000000000;hpb=dc1319ebadcd6f7746f4faa43dcb2005f05c490d;p=synfig.git diff --git a/synfig-studio/trunk/src/gtkmm/widget_keyframe_list.cpp b/synfig-studio/trunk/src/gtkmm/widget_keyframe_list.cpp new file mode 100644 index 0000000..ace2b98 --- /dev/null +++ b/synfig-studio/trunk/src/gtkmm/widget_keyframe_list.cpp @@ -0,0 +1,425 @@ +/* === 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 +#endif + +#include "widget_keyframe_list.h" +#include "app.h" +#include +#include +#include + +#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 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()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(event->button.x)); + //const int y(static_cast(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 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()); + } +} + +