2 Copyright (C) 2003 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_gtk_time_axis_h__
21 #define __ardour_gtk_time_axis_h__
26 #include <gtkmm/box.h>
27 #include <gtkmm/frame.h>
28 #include <gtkmm/drawingarea.h>
29 #include <gtkmm/eventbox.h>
30 #include <gtkmm/table.h>
31 #include <gtkmm/entry.h>
32 #include <gtkmm/label.h>
34 #include <gtkmm2ext/focus_entry.h>
36 #include <pbd/stateful.h>
38 #include <ardour/types.h>
39 #include <ardour/region.h>
40 #include <evoral/Parameter.hpp>
43 #include "axis_view.h"
61 class RegionSelection;
64 class TimeAxisViewItem;
70 /** Abstract base class for time-axis views (horizontal editor 'strips')
72 * This class provides the basic LHS controls and display methods. This should be
73 * extended to create functional time-axis based views.
75 class TimeAxisView : public virtual AxisView, public PBD::Stateful
78 enum NamePackingBits {
79 NameLabelPacked = 0x1,
84 static uint32_t hLargest;
85 static uint32_t hLarge;
86 static uint32_t hLarger;
87 static uint32_t hNormal;
88 static uint32_t hSmaller;
89 static uint32_t hSmall;
91 TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, ArdourCanvas::Canvas& canvas);
92 virtual ~TimeAxisView ();
94 XMLNode& get_state (void);
95 int set_state (const XMLNode&);
97 /* public data: XXX create accessor/mutators for these ?? */
101 uint32_t effective_height; /* in canvas units */
105 uint32_t current_height() const { return height; }
107 ArdourCanvas::Group *canvas_background;
108 ArdourCanvas::Group *canvas_display;
109 Gtk::VBox *control_parent;
111 /* The Standard LHS Controls */
112 Gtk::Frame controls_frame;
113 Gtk::HBox controls_hbox;
114 Gtk::EventBox controls_lhs_pad;
115 Gtk::Table controls_table;
116 Gtk::EventBox controls_ebox;
117 Gtk::VBox controls_vbox;
118 Gtk::DrawingArea resizer;
119 Gtk::HBox resizer_box;
121 Gtk::Frame name_frame;
122 Gtkmm2ext::FocusEntry name_entry;
124 bool resizer_button_press (GdkEventButton*);
125 bool resizer_button_release (GdkEventButton*);
126 bool resizer_motion (GdkEventMotion*);
127 bool resizer_expose (GdkEventExpose*);
129 double resize_drag_start;
130 int32_t resize_idle_target;
131 void idle_resize (uint32_t);
133 void hide_name_label ();
134 void hide_name_entry ();
135 void show_name_label ();
136 void show_name_entry ();
138 /** Display this TrackView as the nth component of the parent box, at y.
142 * @param parent the parent component
143 * @return the height of this TrackView
145 virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
147 void clip_to_viewport ();
149 bool touched (double top, double bot);
151 /** Hides this TrackView */
152 virtual void hide ();
153 bool hidden() const { return _hidden; }
155 virtual void set_selected (bool);
158 * potential handler for entered events
161 virtual void entered () {}
162 virtual void exited () {}
164 virtual void set_height (uint32_t h);
168 * Returns a TimeAxisView* if this object covers y, or one of its children does.
169 * If the covering object is a child axis, then the child is returned.
170 * Returns 0 otherwise.
173 TimeAxisView* covers_y_position (double y);
176 * Steps through the defined heights for this TrackView.
177 * Sets bigger to true to step up in size, set to fals eot step smaller.
179 * @param bigger true if stepping should increase in size, false otherwise
181 virtual void step_height (bool bigger);
183 virtual ARDOUR::RouteGroup* edit_group() const { return 0; }
184 virtual boost::shared_ptr<ARDOUR::Playlist> playlist() const { return boost::shared_ptr<ARDOUR::Playlist> (); }
186 virtual void show_feature_lines (const ARDOUR::AnalysisFeatureList&);
187 virtual void hide_feature_lines ();
189 virtual void set_samples_per_unit (double);
190 virtual void show_selection (TimeSelection&);
191 virtual void hide_selection ();
192 virtual void reshow_selection (TimeSelection&);
193 virtual void show_timestretch (nframes_t start, nframes_t end);
194 virtual void hide_timestretch ();
196 virtual void hide_dependent_views (TimeAxisViewItem&) {}
197 virtual void reveal_dependent_views (TimeAxisViewItem&) {}
199 /* editing operations */
201 virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
202 virtual bool paste (nframes_t, float times, Selection&, size_t nth) { return false; }
204 virtual void set_selected_regionviews (RegionSelection&) {}
205 virtual void set_selected_points (PointSelection&) {}
207 virtual boost::shared_ptr<ARDOUR::Region> find_next_region (nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
208 return boost::shared_ptr<ARDOUR::Region> ();
211 void order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top);
213 virtual void get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results);
214 virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
216 ArdourCanvas::Group* ghost_group;
218 void add_ghost (RegionView*);
219 void remove_ghost (RegionView*);
220 void erase_ghost (GhostRegion*);
222 /* called at load time when first GUI idle occurs. put
223 expensive data loading/redisplay code in here.
226 virtual void first_idle () {}
228 /* state/serialization management */
230 TimeAxisView* get_parent () { return parent; }
231 void set_parent (TimeAxisView& p);
232 bool has_state () const;
234 /* call this on the parent */
236 virtual XMLNode* get_automation_child_xml_node (Evoral::Parameter param) { return 0; }
238 typedef std::vector<boost::shared_ptr<TimeAxisView> > Children;
241 uint32_t height; /* in canvas units */
243 string controls_base_unselected_name;
244 string controls_base_selected_name;
246 bool name_entry_button_press (GdkEventButton *ev);
247 bool name_entry_button_release (GdkEventButton *ev);
248 bool name_entry_key_release (GdkEventKey *ev);
249 void name_entry_activated ();
250 sigc::connection name_entry_key_timeout;
251 bool name_entry_key_timed_out ();
252 guint32 last_name_entry_key_press_event;
254 /* derived classes can override these */
256 virtual void name_entry_changed ();
257 virtual bool name_entry_focus_in (GdkEventFocus *ev);
258 virtual bool name_entry_focus_out (GdkEventFocus *ev);
260 /** Handle mouse relaese on our LHS control name ebox.
262 *@ param ev the event
264 virtual bool controls_ebox_button_release (GdkEventButton *ev);
265 virtual bool controls_ebox_scroll (GdkEventScroll *ev);
267 /** Display the standard LHS control menu at when.
269 * @param when the popup activation time
271 virtual void popup_display_menu (guint32 when);
273 /** Build the standard LHS control menu.
274 * Subclasses should extend this method to add their own menu options.
276 virtual void build_display_menu ();
278 /** Do whatever needs to be done to dynamically reset the LHS control menu.
280 virtual bool handle_display_menu_map_event (GdkEventAny *ev) { return false; }
282 /** Build the standard LHS control size menu for the default heights options.
284 virtual void build_size_menu();
286 /** Displays the standard LHS controls size menu for the track heights
288 * @param when the popup activation time
290 void popup_size_menu(guint32 when);
292 /** Handle the size option of our main menu.
294 * @param ev the event
296 gint size_click(GdkEventButton *ev);
298 /* The standard LHS Track control popup-menus */
300 Gtk::Menu *display_menu;
301 Gtk::Menu *size_menu;
303 Gtk::Label name_label;
305 TimeAxisView* parent;
307 /** Find the parent with state */
308 TimeAxisView* get_parent_with_state();
311 bool is_child (TimeAxisView*);
313 void remove_child (boost::shared_ptr<TimeAxisView>);
314 void add_child (boost::shared_ptr<TimeAxisView>);
316 /* selection display */
318 ArdourCanvas::Group *selection_group;
320 list<GhostRegion*> ghosts;
322 list<SelectionRect*> free_selection_rects;
323 list<SelectionRect*> used_selection_rects;
325 SelectionRect* get_selection_rect(uint32_t id);
327 virtual void selection_click (GdkEventButton*);
332 NamePackingBits name_packing;
334 static void compute_controls_size_info ();
335 static bool need_size_info;
337 void set_heights (uint32_t h);
338 void color_handler ();
341 std::list<ArdourCanvas::SimpleLine*> feature_lines;
342 ARDOUR::AnalysisFeatureList analysis_features;
343 void reshow_feature_lines ();
345 void conditionally_add_to_selection ();
347 }; /* class TimeAxisView */
349 #endif /* __ardour_gtk_time_axis_h__ */