Remove .gitignore do nothing is ignored.
[synfig.git] / synfig-studio / trunk / src / gtkmm / widget_curves.cpp
index 45f68cf..2260dad 100644 (file)
@@ -1,20 +1,22 @@
-/* === S I N F G =========================================================== */
+/* === S Y N F I G ========================================================= */
 /*!    \file widget_curves.cpp
 **     \brief Template File
 **
-**     $Id: widget_curves.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
+**     $Id$
 **
 **     \legal
-**     Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**  Copyright (c) 2008 Gerco Ballintijn
 **
-**     This software and associated documentation
-**     are CONFIDENTIAL and PROPRIETARY property of
-**     the above-mentioned copyright holder.
+**     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.
 **
-**     You may not copy, print, publish, or in any
-**     other way distribute this software without
-**     a prior written agreement with
-**     the copyright holder.
+**     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
 */
 /* ========================================================================= */
 #include <ETL/misc>
 #include <sigc++/object.h>
 
+#include "general.h"
+
 #endif
 
 /* === U S I N G =========================================================== */
 
 using namespace std;
 using namespace etl;
-using namespace sinfg;
+using namespace synfig;
 using namespace studio;
 
 /* === M A C R O S ========================================================= */
@@ -54,35 +58,35 @@ using namespace studio;
 
 /*
 void
-studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const sinfg::Color &color)
+studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const synfig::Color &color)
 {
        const int height(ca.get_height());
        const int width(ca.get_width());
-       
+
        const int square_size(height/2);
-       
+
        Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(window));
-       
+
        if(color.get_alpha()!=1.0)
        {
                // In this case we need to render the alpha squares
-               
+
                const Color bg1(Color::blend(color,Color(0.75, 0.75, 0.75),1.0).clamped());
                const Color bg2(Color::blend(color,Color(0.5, 0.5, 0.5),1.0).clamped());
-       
-               Gdk::Color gdk_c1(colorconv_sinfg2gdk(bg1));
-               Gdk::Color gdk_c2(colorconv_sinfg2gdk(bg2));
+
+               Gdk::Color gdk_c1(colorconv_synfig2gdk(bg1));
+               Gdk::Color gdk_c2(colorconv_synfig2gdk(bg2));
 
                bool toggle(false);
                for(int i=0;i<width;i+=square_size)
                {
                        const int square_width(min(square_size,width-i));
-                       
+
                        if(toggle)
                        {
                                gc->set_rgb_fg_color(gdk_c1);
-                               window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);                          
-               
+                               window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
+
                                gc->set_rgb_fg_color(gdk_c2);
                                window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
                                toggle=false;
@@ -90,8 +94,8 @@ studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const G
                        else
                        {
                                gc->set_rgb_fg_color(gdk_c2);
-                               window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);                          
-               
+                               window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y(), square_width, square_size);
+
                                gc->set_rgb_fg_color(gdk_c1);
                                window->draw_rectangle(gc, true, ca.get_x()+i, ca.get_y()+square_size, square_width, square_size);
                                toggle=true;
@@ -101,9 +105,9 @@ studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const G
        else
        {
                // In this case we have a solid color to use
-               Gdk::Color gdk_c1(colorconv_sinfg2gdk(color));
+               Gdk::Color gdk_c1(colorconv_synfig2gdk(color));
 
-               gc->set_rgb_fg_color(gdk_c1);   
+               gc->set_rgb_fg_color(gdk_c1);
                window->draw_rectangle(gc, true, ca.get_x(), ca.get_y(), width-1, height-1);
        }
        gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
@@ -119,17 +123,17 @@ studio::render_color_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const G
 
 struct studio::Widget_Curves::Channel
 {
-       sinfg::String name;
+       synfig::String name;
        Gdk::Color color;
-       std::map<sinfg::Real,sinfg::Real> values;
+       std::map<synfig::Real,synfig::Real> values;
 };
 
 struct studio::Widget_Curves::CurveStruct : sigc::trackable
 {
-       sinfgapp::ValueDesc value_desc;
+       synfigapp::ValueDesc value_desc;
        std::vector<Channel> channels;
 
-       CurveStruct(const sinfgapp::ValueDesc& x):
+       CurveStruct(const synfigapp::ValueDesc& x):
                value_desc(x)
        {
                switch(value_desc.get_value_type())
@@ -188,7 +192,7 @@ struct studio::Widget_Curves::CurveStruct : sigc::trackable
                                channels.push_back(Channel());
                                channels.back().name="v.y";
                                channels.back().color=Gdk::Color("#7f3f00");
-                               
+
                                channels.push_back(Channel());
                                channels.back().name="width";
                                channels.back().color=Gdk::Color("#000000");
@@ -200,7 +204,7 @@ struct studio::Widget_Curves::CurveStruct : sigc::trackable
                                channels.push_back(Channel());
                                channels.back().name="tsplit";
                                channels.back().color=Gdk::Color("#ff00ff");
-                       
+
                                channels.push_back(Channel());
                                channels.back().name="t1.x";
                                channels.back().color=Gdk::Color("#ff0000");
@@ -216,29 +220,28 @@ struct studio::Widget_Curves::CurveStruct : sigc::trackable
                                channels.back().color=Gdk::Color("#7f7f00");
                                break;
                        default:
-                               throw sinfg::Exception::BadType("Bad type for curves");
+                               throw synfig::Exception::BadType("Bad type for curves");
                }
        }
-       
+
        void clear_all_values()
        {
-               DEBUGPOINT();
                std::vector<Channel>::iterator iter;
                for(iter=channels.begin();iter!=channels.end();++iter)
                        iter->values.clear();
        }
-       
-       sinfg::Real get_value(int chan, sinfg::Real time, sinfg::Real tolerance)
+
+       synfig::Real get_value(int chan, synfig::Real time, synfig::Real tolerance)
        {
-               std::map<sinfg::Real,sinfg::Real>::iterator iter;
-               
+               std::map<synfig::Real,synfig::Real>::iterator iter;
+
                // First check to see if we have a value
                // that is "close enough" to the time
                // we are looking for
                iter=channels[chan].values.lower_bound(time);
                if(iter!=channels[chan].values.end() && iter->first-time<=tolerance)
                        return -iter->second;
-               
+
                // Since that didn't work, we now need
                // to go ahead and figure out what the
                // actual value is at that time.
@@ -284,9 +287,18 @@ struct studio::Widget_Curves::CurveStruct : sigc::trackable
                        default:
                                return 0;
                }
-               
+
                return -channels[chan].values[time];
        }
+
+       static bool is_not_supported(const synfigapp::ValueDesc& x)
+       {
+               return x.get_value_type() == ValueBase::TYPE_STRING
+                       || x.get_value_type() == ValueBase::TYPE_CANVAS
+                       || x.get_value_type() == ValueBase::TYPE_GRADIENT
+                       || x.get_value_type() == ValueBase::TYPE_LIST
+                       || x.get_value_type() == ValueBase::TYPE_SEGMENT;
+       }
 };
 
 /* === M E T H O D S ======================================================= */
@@ -309,10 +321,10 @@ Widget_Curves::Widget_Curves():
                )
        );
        //set_vadjustment(*range_adjustment_);
-       
+
        signal_expose_event().connect(sigc::mem_fun(*this, &studio::Widget_Curves::redraw));
        add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);
-       
+
 }
 
 Widget_Curves::~Widget_Curves()
@@ -356,18 +368,20 @@ Widget_Curves::refresh()
 }
 
 void
-Widget_Curves::set_value_descs(std::list<sinfgapp::ValueDesc> value_descs)
+Widget_Curves::set_value_descs(std::list<synfigapp::ValueDesc> value_descs)
 {
        curve_list_.clear();
-       
-       std::list<sinfgapp::ValueDesc>::iterator iter;
+
+       std::list<synfigapp::ValueDesc>::iterator iter;
        for(iter=value_descs.begin();iter!=value_descs.end();++iter)
        {
+               if (CurveStruct::is_not_supported(*iter))
+                       continue;
+
                try {
                        curve_list_.push_back(*iter);
                        if(iter->is_value_node())
                        {
-                               DEBUGPOINT();
                                iter->get_value_node()->signal_changed().connect(
                                        sigc::mem_fun(
                                                *this,
@@ -377,7 +391,6 @@ Widget_Curves::set_value_descs(std::list<sinfgapp::ValueDesc> value_descs)
                        }
                        if(iter->parent_is_value_node())
                        {
-                               DEBUGPOINT();
                                iter->get_parent_value_node()->signal_changed().connect(
                                        sigc::mem_fun(
                                                *this,
@@ -387,7 +400,6 @@ Widget_Curves::set_value_descs(std::list<sinfgapp::ValueDesc> value_descs)
                        }
                        if(iter->parent_is_layer_param())
                        {
-                               DEBUGPOINT();
                                iter->get_layer()->signal_changed().connect(
                                        sigc::mem_fun(
                                                *this,
@@ -395,7 +407,7 @@ Widget_Curves::set_value_descs(std::list<sinfgapp::ValueDesc> value_descs)
                                        )
                                );
                        }
-               }catch(sinfg::Exception::BadType)
+               }catch(synfig::Exception::BadType)
                {
                        continue;
                }
@@ -429,7 +441,7 @@ Widget_Curves::on_event(GdkEvent *event)
        }
 
        return true;
-       
+
 /*     switch(event->type)
        {
        case GDK_BUTTON_PRESS:
@@ -444,7 +456,7 @@ Widget_Curves::on_event(GdkEvent *event)
                        return true;
                }
                break;
-               
+
        default:
                break;
        }
@@ -453,17 +465,20 @@ Widget_Curves::on_event(GdkEvent *event)
 }
 
 bool
-Widget_Curves::redraw(GdkEventExpose*bleh)
+Widget_Curves::redraw(GdkEventExpose */*bleh*/)
 {
        const int h(get_height());
-       const int w(get_width());       
+       const int w(get_width());
        get_window()->clear();
-       
+
        if(!time_adjustment_ || !range_adjustment_ || !h || !w)
                return false;
-       
+
+       if(!curve_list_.size())
+               return false;
+
        Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
-       
+
        const Real t_begin(time_adjustment_->get_lower());
        const Real t_end(time_adjustment_->get_upper());
        const Real dt((t_end-t_begin)/w);
@@ -473,7 +488,7 @@ Widget_Curves::redraw(GdkEventExpose*bleh)
        const Real dr((r_top-r_bottom)/h);
        Real r_max(-100000000);
        Real r_min(100000000);
-       
+
        std::list<CurveStruct>::iterator curve_iter;
 
        vector<Gdk::Point> points[10];
@@ -485,10 +500,41 @@ Widget_Curves::redraw(GdkEventExpose*bleh)
        gc->set_rgb_fg_color(Gdk::Color("#4f4f4f"));
        get_window()->draw_rectangle(gc, false, 0, round_to_int((0-r_bottom)/dr), w, 0);
 
+       // This try to find a valid vanvas to show the keyframes of those
+       // valuenodes. If not canvas found then no keyframes marks are shown.
+       synfig::Canvas::Handle canvas=0;
+       for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
+       {
+               canvas=curve_iter->value_desc.get_canvas();
+               if(canvas)
+                       break;
+       }
+
+       if(canvas)
+       {
+       // Draw vertical lines for the keyframes marks.
+               const synfig::KeyframeList& keyframe_list(canvas->keyframe_list());
+               synfig::KeyframeList::const_iterator iter;
+
+               for(iter=keyframe_list.begin();iter!=keyframe_list.end();++iter)
+               {
+                       if(!iter->get_time().is_valid())
+                               continue;
+
+                       const int x((int)((float)w/(t_end-t_begin)*(iter->get_time()-t_begin)));
+                       if(iter->get_time()>=t_begin && iter->get_time()<t_end)
+                       {
+                               gc->set_rgb_fg_color(Gdk::Color("#a07f7f")); // It should be user selectable
+                               get_window()->draw_rectangle(gc, true, x, 0, 1, h);
+                       }
+               }
+       }
+
        // Draw current time
-       gc->set_rgb_fg_color(Gdk::Color("#00007f"));
+       gc->set_rgb_fg_color(Gdk::Color("#0000ff")); // It should be user selectable
        get_window()->draw_rectangle(gc, false, round_to_int((time_adjustment_->get_value()-t_begin)/dt), 0, 0, h);
 
+       // Draw curves for the valuenodes stored in the curve list
        for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
        {
                Real t;
@@ -520,23 +566,23 @@ Widget_Curves::redraw(GdkEventExpose*bleh)
                for(int chan=0;chan<channels;chan++)
                {
                        gc->set_rgb_fg_color(curve_iter->channels[chan].color);
-       
+
                        // Draw the curve
                        get_window()->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points[chan]));
 
                        Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_pango_context()));
-                                               
-                       layout->set_text(curve_iter->channels[chan].name);              
-                       get_window()->draw_layout(gc, 1, points[chan][0].get_y()+1, layout);                    
+
+                       layout->set_text(curve_iter->channels[chan].name);
+                       get_window()->draw_layout(gc, 1, points[chan][0].get_y()+1, layout);
                }
        }
-       
+
        if(!curve_list_.empty())
        {
                range_adjustment_->set_upper(r_max+range_adjustment_->get_page_size()/2);
                range_adjustment_->set_lower(r_min-range_adjustment_->get_page_size()/2);
        }
        get_window()->get_update_area();
-       
+
        return true;
 }