cc7d4db5fe
git-svn-id: svn://localhost/ardour2/branches/3.0@11975 d708f5d6-7413-0410-9779-e7cbd77b26cf
250 lines
7.5 KiB
C++
250 lines
7.5 KiB
C++
/*
|
|
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.
|
|
|
|
*/
|
|
|
|
#ifndef __gtk_ardour_time_axis_view_item_h__
|
|
#define __gtk_ardour_time_axis_view_item_h__
|
|
|
|
#include <string>
|
|
|
|
#include <libgnomecanvasmm/pixbuf.h>
|
|
|
|
#include "pbd/signals.h"
|
|
|
|
#include "selectable.h"
|
|
#include "simplerect.h"
|
|
#include "canvas.h"
|
|
|
|
class TimeAxisView;
|
|
|
|
using ARDOUR::framepos_t;
|
|
using ARDOUR::framecnt_t;
|
|
|
|
/**
|
|
* Base class for items that may appear upon a TimeAxisView.
|
|
*/
|
|
|
|
class TimeAxisViewItem : public Selectable, public PBD::ScopedConnectionList
|
|
{
|
|
public:
|
|
virtual ~TimeAxisViewItem();
|
|
|
|
virtual bool set_position(framepos_t, void*, double* delta = 0);
|
|
framepos_t get_position() const;
|
|
virtual bool set_duration(framecnt_t, void*);
|
|
framecnt_t get_duration() const;
|
|
virtual void set_max_duration(framecnt_t, void*);
|
|
framecnt_t get_max_duration() const;
|
|
virtual void set_min_duration(framecnt_t, void*);
|
|
framecnt_t get_min_duration() const;
|
|
virtual void set_position_locked(bool, void*);
|
|
bool get_position_locked() const;
|
|
void set_max_duration_active(bool, void*);
|
|
bool get_max_duration_active() const;
|
|
void set_min_duration_active(bool, void*);
|
|
bool get_min_duration_active() const;
|
|
void set_item_name(std::string, void*);
|
|
virtual std::string get_item_name() const;
|
|
virtual void set_selected(bool yn);
|
|
void set_sensitive (bool yn) { _sensitive = yn; }
|
|
bool sensitive () const { return _sensitive; }
|
|
TimeAxisView& get_time_axis_view () const;
|
|
void set_name_text(const std::string&);
|
|
virtual void set_height(double h);
|
|
void set_y (double);
|
|
void set_color (Gdk::Color const &);
|
|
|
|
ArdourCanvas::Item* get_canvas_frame();
|
|
ArdourCanvas::Group* get_canvas_group();
|
|
ArdourCanvas::Item* get_name_highlight();
|
|
ArdourCanvas::Pixbuf* get_name_pixbuf();
|
|
|
|
virtual void set_samples_per_unit(double spu);
|
|
|
|
double get_samples_per_unit();
|
|
|
|
virtual void raise () { return; }
|
|
virtual void raise_to_top () { return; }
|
|
virtual void lower () { return; }
|
|
virtual void lower_to_bottom () { return; }
|
|
|
|
virtual void hide_rect ();
|
|
virtual void show_rect ();
|
|
|
|
/** @return true if the name area should respond to events */
|
|
bool name_active() const { return name_connected; }
|
|
|
|
// Default sizes, font and spacing
|
|
static Pango::FontDescription NAME_FONT;
|
|
static void set_constant_heights ();
|
|
static const double NAME_X_OFFSET;
|
|
static const double GRAB_HANDLE_LENGTH;
|
|
|
|
/* these are not constant, but vary with the pixel size
|
|
of the font used to display the item name.
|
|
*/
|
|
static int NAME_HEIGHT;
|
|
static double NAME_Y_OFFSET;
|
|
static double NAME_HIGHLIGHT_SIZE;
|
|
static double NAME_HIGHLIGHT_THRESH;
|
|
|
|
/**
|
|
* Emitted when this Group has been removed.
|
|
* This is different to the CatchDeletion signal in that this signal
|
|
* is emitted during the deletion of this Time Axis, and not during
|
|
* the destructor, this allows us to capture the source of the deletion
|
|
* event
|
|
*/
|
|
|
|
sigc::signal<void,std::string,void*> ItemRemoved;
|
|
|
|
/** Emitted when the name of this item is changed */
|
|
sigc::signal<void,std::string,std::string,void*> NameChanged;
|
|
|
|
/** Emiited when the position of this item changes */
|
|
sigc::signal<void,framepos_t,void*> PositionChanged;
|
|
|
|
/** Emitted when the position lock of this item is changed */
|
|
sigc::signal<void,bool,void*> PositionLockChanged;
|
|
|
|
/** Emitted when the duration of this item changes */
|
|
sigc::signal<void,framecnt_t,void*> DurationChanged;
|
|
|
|
/** Emitted when the maximum item duration is changed */
|
|
sigc::signal<void,framecnt_t,void*> MaxDurationChanged;
|
|
|
|
/** Emitted when the mionimum item duration is changed */
|
|
sigc::signal<void,framecnt_t,void*> MinDurationChanged;
|
|
|
|
enum Visibility {
|
|
ShowFrame = 0x1,
|
|
ShowNameHighlight = 0x2,
|
|
ShowNameText = 0x4,
|
|
ShowHandles = 0x8,
|
|
HideFrameLeft = 0x10,
|
|
HideFrameRight = 0x20,
|
|
HideFrameTB = 0x40,
|
|
FullWidthNameHighlight = 0x80
|
|
};
|
|
|
|
protected:
|
|
TimeAxisViewItem(const std::string &, ArdourCanvas::Group&, TimeAxisView&, double, Gdk::Color const &,
|
|
framepos_t, framecnt_t, bool recording = false, bool automation = false, Visibility v = Visibility (0));
|
|
|
|
TimeAxisViewItem (const TimeAxisViewItem&);
|
|
|
|
void init (const std::string&, double, Gdk::Color const &, framepos_t, framepos_t, Visibility, bool, bool);
|
|
|
|
virtual void compute_colors (Gdk::Color const &);
|
|
virtual void set_colors();
|
|
virtual void set_frame_color();
|
|
void set_trim_handle_colors();
|
|
|
|
virtual void reset_width_dependent_items (double);
|
|
void reset_name_width (double);
|
|
void update_name_pixbuf_visibility ();
|
|
|
|
static gint idle_remove_this_item(TimeAxisViewItem*, void*);
|
|
|
|
/** time axis that this item is on */
|
|
TimeAxisView& trackview;
|
|
|
|
/** indicates whether this item is locked to its current position */
|
|
bool position_locked;
|
|
|
|
/** position of this item on the timeline */
|
|
framepos_t frame_position;
|
|
|
|
/** duration of this item upon the timeline */
|
|
framecnt_t item_duration;
|
|
|
|
/** maximum duration that this item can have */
|
|
framecnt_t max_item_duration;
|
|
|
|
/** minimum duration that this item can have */
|
|
framecnt_t min_item_duration;
|
|
|
|
/** indicates whether the max duration constraint is active */
|
|
bool max_duration_active;
|
|
|
|
/** indicates whether the min duration constraint is active */
|
|
bool min_duration_active;
|
|
|
|
/** samples per canvas unit */
|
|
double samples_per_unit;
|
|
|
|
/** should the item respond to events */
|
|
bool _sensitive;
|
|
|
|
/**
|
|
* The unique item name of this Item.
|
|
* Each item upon a time axis must have a unique id.
|
|
*/
|
|
std::string item_name;
|
|
|
|
/** true if the name should respond to events */
|
|
bool name_connected;
|
|
|
|
/** true if a small vestigial rect should be shown when the item gets very narrow */
|
|
bool show_vestigial;
|
|
|
|
uint32_t fill_opacity;
|
|
uint32_t fill_color;
|
|
uint32_t frame_color_r;
|
|
uint32_t frame_color_g;
|
|
uint32_t frame_color_b;
|
|
uint32_t selected_frame_color_r;
|
|
uint32_t selected_frame_color_g;
|
|
uint32_t selected_frame_color_b;
|
|
uint32_t label_color;
|
|
|
|
uint32_t handle_color_r;
|
|
uint32_t handle_color_g;
|
|
uint32_t handle_color_b;
|
|
uint32_t lock_handle_color_r;
|
|
uint32_t lock_handle_color_g;
|
|
uint32_t lock_handle_color_b;
|
|
uint32_t last_item_width;
|
|
int name_pixbuf_width;
|
|
bool wide_enough_for_name;
|
|
bool high_enough_for_name;
|
|
bool rect_visible;
|
|
|
|
ArdourCanvas::Group* group;
|
|
ArdourCanvas::SimpleRect* vestigial_frame;
|
|
ArdourCanvas::SimpleRect* frame;
|
|
ArdourCanvas::Pixbuf* name_pixbuf;
|
|
ArdourCanvas::SimpleRect* name_highlight;
|
|
|
|
/* with these two values, if frame_handle_start == 0 then frame_handle_end will also be 0 */
|
|
ArdourCanvas::SimpleRect* frame_handle_start; ///< `frame' (fade) handle for the start of the item, or 0
|
|
ArdourCanvas::SimpleRect* frame_handle_end; ///< `frame' (fade) handle for the end of the item, or 0
|
|
|
|
double _height;
|
|
Visibility visibility;
|
|
bool _recregion;
|
|
bool _automation; ///< true if this is an automation region view
|
|
|
|
private:
|
|
|
|
void parameter_changed (std::string);
|
|
|
|
}; /* class TimeAxisViewItem */
|
|
|
|
#endif /* __gtk_ardour_time_axis_view_item_h__ */
|