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.
21 #ifndef __ardour_gtk_time_axis_h__
22 #define __ardour_gtk_time_axis_h__
27 #include <gtkmm/box.h>
28 #include <gtkmm/frame.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 <ardour/types.h>
37 #include <ardour/region.h>
40 #include "axis_view.h"
59 class RegionSelection;
62 class TimeAxisViewItem;
67 * TimeAxisView defines the abstract base class for time-axis views.
69 * This class provides the basic LHS controls and display methods. This should be
70 * extended to create functional time-axis based views.
73 class TimeAxisView : public virtual AxisView
76 enum NamePackingBits {
77 NameLabelPacked = 0x1,
91 static uint32_t hLargest;
92 static uint32_t hLarge;
93 static uint32_t hLarger;
94 static uint32_t hNormal;
95 static uint32_t hSmaller;
96 static uint32_t hSmall;
98 static uint32_t height_to_pixels (TrackHeight);
100 TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, ArdourCanvas::Canvas& canvas);
101 virtual ~TimeAxisView ();
103 /* public data: XXX create accessor/mutators for these ?? */
105 PublicEditor& editor;
107 TrackHeight height_style;
108 uint32_t height; /* in canvas units */
109 uint32_t effective_height; /* in canvas units */
113 ArdourCanvas::Group *canvas_display;
114 Gtk::VBox *control_parent;
116 /* The Standard LHS Controls */
117 Gtk::Frame controls_frame;
118 Gtk::HBox controls_hbox;
119 Gtk::EventBox controls_lhs_pad;
120 Gtk::Table controls_table;
121 Gtk::EventBox controls_ebox;
122 Gtk::VBox controls_vbox;
124 Gtk::Frame name_frame;
125 Gtkmm2ext::FocusEntry name_entry;
127 void hide_name_label ();
128 void hide_name_entry ();
129 void show_name_label ();
130 void show_name_entry ();
133 * Display this TrackView as the nth component of the parent box, at y.
137 * @param parent the parent component
138 * @return the height of this TrackView
140 virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
142 bool touched (double top, double bot);
145 * Hides this TrackView
147 virtual void hide ();
148 bool hidden() const { return _hidden; }
150 virtual void set_selected (bool);
153 * potential handler for entered events
156 virtual void entered () {}
157 virtual void exited () {}
159 virtual void set_height (TrackHeight h);
163 * Returns a TimeAxisView* if this object covers y, or one of its children does.
164 * If the covering object is a child axis, then the child is returned.
165 * Returns 0 otherwise.
168 TimeAxisView* covers_y_position (double y);
171 * Steps through the defined heights for this TrackView.
172 * Sets bigger to true to step up in size, set to fals eot step smaller.
174 * @param bigger true if stepping should increase in size, false otherwise
176 virtual void step_height (bool bigger);
178 virtual ARDOUR::RouteGroup* edit_group() const { return 0; }
179 virtual boost::shared_ptr<ARDOUR::Playlist> playlist() const { return boost::shared_ptr<ARDOUR::Playlist> (); }
181 virtual void set_samples_per_unit (double);
182 virtual void show_selection (TimeSelection&);
183 virtual void hide_selection ();
184 virtual void reshow_selection (TimeSelection&);
185 virtual void show_timestretch (nframes_t start, nframes_t end);
186 virtual void hide_timestretch ();
188 virtual void hide_dependent_views (TimeAxisViewItem&) {}
189 virtual void reveal_dependent_views (TimeAxisViewItem&) {}
191 /* editing operations */
193 virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
194 virtual bool paste (nframes_t, float times, Selection&, size_t nth) { return false; }
196 virtual void set_selected_regionviews (RegionSelection&) {}
197 virtual void set_selected_points (PointSelection&) {}
199 virtual boost::shared_ptr<ARDOUR::Region> find_next_region (nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
200 return boost::shared_ptr<ARDOUR::Region> ();
203 void order_selection_trims (ArdourCanvas::Item *item, bool put_start_on_top);
205 virtual void get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results);
206 virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
208 /* state/serialization management */
210 void set_parent (TimeAxisView& p);
211 bool has_state () const;
213 virtual void set_state (const XMLNode&);
214 virtual XMLNode* get_state_node () { return 0; }
216 /* call this on the parent */
218 virtual XMLNode* get_child_xml_node (const string & childname) { return 0; }
222 string controls_base_unselected_name;
223 string controls_base_selected_name;
225 bool name_entry_button_press (GdkEventButton *ev);
226 bool name_entry_button_release (GdkEventButton *ev);
227 bool name_entry_key_release (GdkEventKey *ev);
228 void name_entry_activated ();
229 sigc::connection name_entry_key_timeout;
230 bool name_entry_key_timed_out ();
231 guint32 last_name_entry_key_press_event;
233 /* derived classes can override these */
235 virtual void name_entry_changed ();
236 virtual bool name_entry_focus_in (GdkEventFocus *ev);
237 virtual bool name_entry_focus_out (GdkEventFocus *ev);
240 * Handle mouse relaese on our LHS control name ebox.
242 *@ param ev the event
244 virtual bool controls_ebox_button_release (GdkEventButton *ev);
245 virtual bool controls_ebox_scroll (GdkEventScroll *ev);
248 * Displays the standard LHS control menu at when.
250 * @param when the popup activation time
252 virtual void popup_display_menu (guint32 when);
255 * Build the standard LHS control menu.
256 * Subclasses should extend this method to add their own menu options.
259 virtual void build_display_menu ();
262 * Do anything that needs to be done to dynamically reset
263 * the LHS control menu.
265 virtual bool handle_display_menu_map_event (GdkEventAny *ev) { return false; }
268 * Build the standard LHS control size menu for the default heights options.
271 virtual void build_size_menu();
274 * Displays the standard LHS controls size menu for the track heights
276 * @parem when the popup activation time
278 void popup_size_menu(guint32 when);
281 * Handle the size option of out main menu.
283 * @param ev the event
285 gint size_click(GdkEventButton *ev);
287 /* The standard LHS Track control popup-menus */
289 Gtk::Menu *display_menu;
290 Gtk::Menu *size_menu;
292 Gtk::Label name_label;
294 TimeAxisView* parent;
296 /* find the parent with state */
298 TimeAxisView* get_parent_with_state();
300 std::vector<TimeAxisView*> children;
301 bool is_child (TimeAxisView*);
303 void remove_child (TimeAxisView*);
304 void add_child (TimeAxisView*);
306 /* selection display */
308 ArdourCanvas::Group *selection_group;
310 list<SelectionRect*> free_selection_rects;
311 list<SelectionRect*> used_selection_rects;
313 SelectionRect* get_selection_rect(uint32_t id);
315 virtual void selection_click (GdkEventButton*);
319 NamePackingBits name_packing;
321 static void compute_controls_size_info ();
322 static bool need_size_info;
324 void set_height_pixels (uint32_t h);
325 void color_handler (ColorID, uint32_t);
327 }; /* class TimeAxisView */
329 #endif /* __ardour_gtk_time_axis_h__ */