1 /* === S Y N F I G ========================================================= */
2 /*! \file widget_timeslider.h
3 ** \brief Time Slider Widget Header
8 ** Copyright (c) 2004 Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === S T A R T =========================================================== */
25 #ifndef __SYNFIG_WIDGET_TIMESLIDER_H
26 #define __SYNFIG_WIDGET_TIMESLIDER_H
28 /* === H E A D E R S ======================================================= */
29 #include <gtkmm/drawingarea.h>
30 #include <gtkmm/adjustment.h>
32 #include <synfig/time.h>
33 #include "canvasview.h"
35 /* === M A C R O S ========================================================= */
37 /* === T Y P E D E F S ===================================================== */
39 /* === C L A S S E S & S T R U C T S ======================================= */
43 void render_time_point_to_window(const Glib::RefPtr<Gdk::Drawable>& window,const Gdk::Rectangle& ca,const synfig::TimePoint &tp,bool selected=false);
46 /* Design for the timeslider...
48 Concept: Scalable ruler
49 Ticks are done every so often (30 s, 10 frames, 5 frames, etc.)
50 Print out frame numbers next to the big ticks
51 Show blue pills in separate area (above or below)
54 class Widget_Timeslider : public Gtk::DrawingArea
56 protected: //implementation that other interfaces can see
57 Glib::RefPtr<Pango::Layout> layout; //implementation awesomeness for text drawing
59 Gtk::Adjustment adj_default;
60 Gtk::Adjustment *adj_timescale;
62 //HACK - I should not have to see this...
63 Gtk::Adjustment *adj_bounds;
64 double time_per_tickmark;
66 //Statistics used for drawing stuff (and making sure we don't if we don't need to)
72 guint32 last_event_time;
76 sigc::connection time_value_change;
77 sigc::connection time_other_change;
79 //TODO: fill out blue pill stuff
83 virtual bool on_motion_notify_event(GdkEventMotion* event); //for dragging
84 virtual bool on_scroll_event(GdkEventScroll* event); //for zooming
85 virtual bool on_button_press_event(GdkEventButton *event); //for clicking
86 virtual bool on_button_release_event(GdkEventButton *event); //for clicking
88 virtual bool on_expose_event(GdkEventExpose */*event*/) {redraw(); return true;}//for drawing
90 virtual bool redraw(bool doublebuffer = false);
92 //void update_times();
94 void zoom_in(bool centerontime = false);
95 void zoom_out(bool centerontime = false);
100 /*NOTE: if we can set the mouse position to the original position
101 this would only have to be set once (and it would be good otherwise too)
103 double lastx; //last mouse position for dragging
107 ~Widget_Timeslider();
109 public: //Normal Interface
111 void draw() {redraw();}
112 virtual void refresh(); //reget bluepills, time values and queue_draw if need be
114 public: //Time Interface
116 //Run FPS stuff through it to the MAX
117 double get_global_fps() const {return fps;}
118 void set_global_fps(float d);
120 //accessors for the time adjustment
121 Gtk::Adjustment &get_time_adjustment() const {return *adj_timescale;}
122 void set_time_adjustment(Gtk::Adjustment *x);
124 //HACK - I should not have to see these bounds (should be boundless)
125 Gtk::Adjustment &get_bounds_adjustment() const {return *adj_bounds;}
126 void set_bounds_adjustment(Gtk::Adjustment *x) {adj_bounds = x;}
129 }; // END of namespace studio
131 /* === E N D =============================================================== */