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Diffstat (limited to 'gtk2_ardour/imageframe_time_axis.h')
| -rw-r--r-- | gtk2_ardour/imageframe_time_axis.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/gtk2_ardour/imageframe_time_axis.h b/gtk2_ardour/imageframe_time_axis.h new file mode 100644 index 0000000000..dfbb0bd72f --- /dev/null +++ b/gtk2_ardour/imageframe_time_axis.h @@ -0,0 +1,200 @@ +/* + 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_imageframe_time_axis_h__ +#define __ardour_imageframe_time_axis_h__ + +#include <gtk--.h> +#include <gtk-canvas.h> + +#include "ardour_dialog.h" +#include "enums.h" +#include "time_axis_view.h" +#include <list> +#include "visual_time_axis.h" + +namespace ARDOUR +{ + class Session ; +} + +class PublicEditor ; +class ImageFrameView ; +class ImageFrameTimeAxisView ; +class MarkersTimeAxisView ; +class MarkerTimeAxis; + +/** + * ImageFrameTimeAxis defines a visual time axis view for holding and arranging image items. + * + */ +class ImageFrameTimeAxis : public VisualTimeAxis +{ + public: + //---------------------------------------------------------------------------------------// + // Constructor / Desctructor + + /** + * Constructs a new ImageFrameTimeAxis. + * + * @param track_id the track name/id + * @param ed the PublicEditor + * @param sess the current session + * @param canvas the parent canvas item + */ + ImageFrameTimeAxis(std::string track_id, PublicEditor& ed, ARDOUR::Session& sess, Gtk::Widget *canvas) ; + + /** + * Destructor + * Responsible for destroying any child image items that may have been added to thie time axis + */ + virtual ~ImageFrameTimeAxis() ; + + //---------------------------------------------------------------------------------------// + // ui methods & data + + /** + * Sets the height of this TrackView to one of ths TrackHeghts + * + * @param h the TrackHeight value to set + */ + virtual void set_height(TimeAxisView::TrackHeight) ; + + /** + * Sets the number of samples per unit that are used. + * This is used to determine the siezes of items upon this time axis + * + * @param spu the number of samples per unit + */ + virtual void set_samples_per_unit(double spu) ; + + /** + * Returns the available height for images to be drawn onto + * + * @return the available height for an image item to be drawn onto + */ + int get_image_display_height() ; + + + /** + * Show the popup edit menu + * + * @param button the mouse button pressed + * @param time when to show the popup + * @param clicked_imageframe the ImageFrameItem that the event ocured upon, or 0 if none + * @param with_item true if an item has been selected upon the time axis, used to set context menu + */ + void popup_imageframe_edit_menu(int button, int32_t time, ImageFrameView* clicked_imageframe, bool with_item) ; + + + //---------------------------------------------------------------------------------------// + // Marker Time Axis Methods + + /** + * Add a MarkerTimeAxis to the ilst of MarkerTimeAxis' associated with this ImageFrameTimeAxis + * + * @param marker_track the MarkerTimeAxis to add + * @param src the identity of the object that initiated the change + * @return true if the addition was a success, + * false otherwise + */ + bool add_marker_time_axis(MarkerTimeAxis* marker_track, void* src) ; + + /** + * Returns the named MarkerTimeAxis associated with this ImageFrameTimeAxis + * + * @param track_id the track_id of the MarkerTimeAxis to search for + * @return the named markerTimeAxis, or 0 if the named MarkerTimeAxis is not associated with this ImageFrameTimeAxis + */ + MarkerTimeAxis* get_named_marker_time_axis(std::string track_id) ; + + /** + * Removes the named markerTimeAxis from those associated with this ImageFrameTimeAxis + * + * @param track_id the track id of the MarkerTimeAxis to remove + * @param src the identity of the object that initiated the change + * @return the removed MarkerTimeAxis + */ + MarkerTimeAxis* remove_named_marker_time_axis(std::string track_id, void* src) ; + + /** + * Removes tav from the list of MarkerTimaAxis associated with this ImageFrameTimeAxis + * + * @param tav the TimeAxis to remove + * @param src the identity of the object that initiated the change + */ + void remove_time_axis_view(MarkerTimeAxis* tav, void* src) ; + + + //---------------------------------------------------------------------------------------// + // Parent/Child helper object accessors + + /** + * Returns the view helper of this TimeAxis + * + * @return the view helper of this TimeAxis + */ + ImageFrameTimeAxisView* get_view() ; + + + //---------------------------------------------------------------------------------// + // Emitted Signals + + /** Emitted when a Marker Time Axis is Added, or associated with, this time axis */ + SigC::Signal2<void,MarkerTimeAxis*,void*> MarkerTimeAxisAdded ; + + /** Emitted when a Marker Time Axis is removed, from this time axis */ + SigC::Signal2<void,std::string,void*> MarkerTimeAxisRemoved ; + + protected: + + private: + /** + * convenience method to select a new track color and apply it to the view and view items + * + */ + void select_track_color() ; + + /** + * Handles the building of the popup menu + */ + virtual void build_display_menu() ; + + /** + * handles the building of the ImageFrameView sub menu + */ + void create_imageframe_menu() ; + + /* We may have multiple marker views, but each marker view should only be associated with one timeaxisview */ + typedef std::list<MarkerTimeAxis*> MarkerTimeAxisList ; + MarkerTimeAxisList marker_time_axis_list; + + /* the TimeAxis view helper */ + ImageFrameTimeAxisView *view ; + + // popup menu widgets + Gtk::Menu *image_action_menu ; + Gtk::Menu *imageframe_menu ; + Gtk::Menu *imageframe_item_menu ; + +}; /* class ImageFrameTimeAxis */ + +#endif /* __ardour_imageframe_time_axis_h__ */ + |