Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 290 insertions, 0 deletions

diff --git a/gtk2_ardour/time_axis_view.h b/gtk2_ardour/time_axis_view.h
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+++ b/gtk2_ardour/time_axis_view.h
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+/*
+    Copyright (C) 2003 Paul Davis 
+
+    This program 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 program 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.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __ardour_gtk_time_axis_h__
+#define __ardour_gtk_time_axis_h__
+
+#include <vector>
+#include <list>
+
+#include <gtk--.h>
+#include <gtk-canvas.h>
+
+#include <ardour/types.h>
+#include <ardour/region.h>
+
+#include "prompter.h"
+#include "axis_view.h"
+#include "enums.h"
+#include "editing.h"
+
+namespace ARDOUR {
+	class Session;
+	class Region;
+	class Session;
+	class RouteGroup;
+	class Playlist;
+}
+
+class PublicEditor;
+class AudioRegionSelection;
+class TimeSelection;
+class PointSelection;
+class TimeAxisViewItem;
+class Selection;
+class Selectable;
+
+/**
+ * TimeAxisView defines the abstract base class for time-axis views.
+ *
+ * This class provides the basic LHS controls and display methods. This should be
+ * extended to create functional time-axis based views.
+ *
+ */
+class TimeAxisView : public virtual AxisView
+{
+  public:
+	enum TrackHeight { 
+                /* canvas units. they need to be odd
+		   valued so that there is a precise
+		   middle.
+		*/
+		Largest = 301,
+		Large = 201,
+		Larger = 101,
+		Normal = 51,
+		Smaller = 31,
+		Small = 21
+	};
+
+	TimeAxisView(ARDOUR::Session& sess, PublicEditor& ed, TimeAxisView* parent, Gtk::Widget *canvas);
+	virtual ~TimeAxisView ();
+
+	/* public data: XXX create accessor/mutators for these ?? */
+
+	PublicEditor& editor;
+
+	guint32 height;  /* in canvas units */
+	guint32 effective_height;  /* in canvas units */
+	double  y_position;
+	int     order;
+
+	
+	GtkCanvasItem   *canvas_display;
+ 	Gtk::VBox       *control_parent;
+
+	/* The Standard LHS Controls */
+	Gtk::Frame    controls_frame;
+	Gtk::HBox     controls_hbox;
+	Gtk::EventBox controls_lhs_pad;
+	Gtk::Table    controls_table;
+	Gtk::EventBox controls_ebox;
+	Gtk::VBox     controls_vbox;
+	Gtk::HBox     name_hbox;
+	Gtk::Frame    name_frame;
+ 	Gtk::Entry    name_entry;
+
+	/**
+	 * Display this TrackView as the nth component of the parent box, at y.
+	 *
+	 * @param y 
+	 * @param nth
+	 * @param parent the parent component
+	 * @return the height of this TrackView
+	 */
+	virtual guint32 show_at (double y, int& nth, Gtk::VBox *parent);
+
+	bool touched (double top, double bot);
+
+	/**
+	 * Hides this TrackView
+	 */
+	virtual void hide ();
+	bool hidden() const { return _hidden; }
+
+	virtual void set_selected (bool);
+
+	/**
+	 * potential handler for entered events
+	 */
+
+	virtual void entered () {}
+	virtual void exited () {}
+
+	/**
+	 * Sets the height of this TrackView to one of ths TrackHeghts
+	 *
+	 * @param h the TrackHeight value to set
+	 */
+	virtual void set_height (TrackHeight h);
+	void reset_height();
+	/**
+	 * Steps through the defined TrackHeights for this TrackView.
+	 * Sets bigger to true to step up in size, set to fals eot step smaller.
+	 *
+	 * @param bigger true if stepping should increase in size, false otherwise
+	 */
+	virtual void step_height (bool bigger);
+
+	virtual ARDOUR::RouteGroup* edit_group() const { return 0; }
+	virtual ARDOUR::Playlist* playlist() const { return 0; }
+
+	virtual void set_samples_per_unit (double);
+	virtual void show_selection (TimeSelection&);
+	virtual void hide_selection ();
+	virtual void reshow_selection (TimeSelection&);
+	virtual void show_timestretch (jack_nframes_t start, jack_nframes_t end);
+	virtual void hide_timestretch ();
+
+	virtual void hide_dependent_views (TimeAxisViewItem&) {}
+	virtual void reveal_dependent_views (TimeAxisViewItem&) {}
+
+	/* editing operations */
+	
+	virtual bool cut_copy_clear (Selection&, Editing::CutCopyOp) { return false; }
+	virtual bool paste (jack_nframes_t, float times, Selection&, size_t nth) { return false; }
+	
+	virtual void set_selected_regionviews (AudioRegionSelection&) {}
+	virtual void set_selected_points (PointSelection&) {}
+
+	virtual ARDOUR::Region* find_next_region (jack_nframes_t pos, ARDOUR::RegionPoint, int32_t dir) {
+		return 0;
+	}
+
+  	void order_selection_trims (GtkCanvasItem *item, bool put_start_on_top);
+
+	virtual void get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results);
+	virtual void get_inverted_selectables (Selection&, list<Selectable *>& results);
+
+	/* state/serialization management */
+
+	void set_parent (TimeAxisView& p);
+	bool has_state () const;
+
+	virtual void set_state (const XMLNode&);
+	virtual XMLNode* get_state_node () { return 0; }
+
+	/* call this on the parent */
+
+	virtual XMLNode* get_child_xml_node (std::string childname) { return 0; }
+
+  protected:
+
+	string controls_base_unselected_name;
+	string controls_base_selected_name;
+
+	/**
+	 * Handle mouse press on our LHS control name entry.
+	 *
+	 * @param ev the event
+	 */
+	virtual gint name_entry_button_press (GdkEventButton *ev);
+
+	/**
+	 * Handle mouse relaese on our LHS control name entry.
+	 * 
+	 *@ param ev the event
+	 */
+	virtual gint name_entry_button_release (GdkEventButton *ev);
+
+	/**
+	 * Handle mouse relaese on our LHS control name ebox.
+	 * 
+	 *@ param ev the event
+	 */
+	virtual gint controls_ebox_button_release (GdkEventButton *ev);
+
+	/**
+	 * Displays the standard LHS control menu at when.
+	 *
+	 * @param when the popup activation time
+	 */
+	virtual void popup_display_menu (guint32 when);
+
+	/**
+	 * Build the standard LHS control menu.
+	 * Subclasses should extend this method to add their own menu options.
+	 *
+	 */
+	virtual void build_display_menu ();
+
+	/**
+         * Do anything that needs to be done to dynamically reset
+	 * the LHS control menu.
+	 */
+	virtual gint handle_display_menu_map_event (GdkEventAny *ev) { return FALSE; }
+
+	/**
+	 * Build the standard LHS control size menu for the default TrackHeight options.
+	 *
+	 */
+	virtual void build_size_menu();
+
+	/**
+	 * Displays the standard LHS controls size menu for the TrackHeight.
+	 *
+	 * @parem when the popup activation time
+	 */
+ 	void popup_size_menu(guint32 when);
+
+	/**
+	 * Handle the size option of out main menu.
+	 * 
+	 * @param ev the event
+	 */
+	gint size_click(GdkEventButton *ev);
+
+	/* The standard LHS Track control popup-menus */
+
+	Gtk::Menu *display_menu;
+	Gtk::Menu *size_menu;
+
+	Gtk::Label    name_label;
+
+	TimeAxisView* parent;
+
+	/* find the parent with state */
+
+	TimeAxisView* get_parent_with_state();
+
+	std::vector<TimeAxisView*> children;
+	bool is_child (TimeAxisView*);
+
+	void remove_child (TimeAxisView*);
+	void add_child (TimeAxisView*);
+
+	/* selection display */
+
+  	GtkCanvasItem      *selection_group;
+
+	list<SelectionRect*> free_selection_rects;
+	list<SelectionRect*> used_selection_rects;
+
+	SelectionRect* get_selection_rect(uint32_t id);
+
+	virtual void selection_click (GdkEventButton*);
+
+	bool _hidden;
+	bool _has_state;
+
+}; /* class TimeAxisView */
+
+#endif /* __ardour_gtk_time_axis_h__ */
+