X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fregion_selection.cc;h=20dd8c1d24fbddccf3b9b73ee0d5af38f9d90ba4;hb=ef92349187b61349d2d5182f49f700183901f59e;hp=a418b1de23623944edcdc4f08fa74c7bcc9f645e;hpb=0c4c6e031a3624cfc74c2eef6e79527b7c49eca8;p=ardour.git diff --git a/gtk2_ardour/region_selection.cc b/gtk2_ardour/region_selection.cc index a418b1de23..20dd8c1d24 100644 --- a/gtk2_ardour/region_selection.cc +++ b/gtk2_ardour/region_selection.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2006 Paul Davis + Copyright (C) 2006 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 @@ -18,62 +18,67 @@ #include -#include +#include "ardour/region.h" #include "region_view.h" #include "region_selection.h" +#include "time_axis_view.h" +using namespace std; using namespace ARDOUR; using namespace PBD; using namespace sigc; - -bool -RegionComparator::operator() (const RegionView* a, const RegionView* b) const -{ - if (a == b) { - return false; - } else { - return a < b; - } -} - +/** Construct an empty RegionSelection. + */ RegionSelection::RegionSelection () { + RegionView::RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it)); + _current_start = 0; _current_end = 0; } +/** Copy constructor. + * @param other RegionSelection to copy. + */ RegionSelection::RegionSelection (const RegionSelection& other) + : std::list() + , sigc::trackable(other) { + RegionView::RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it)); - for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) { - add (*i, false); - } _current_start = other._current_start; _current_end = other._current_end; -} - + for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) { + add (*i); + } +} +/** operator= to set a RegionSelection to be the same as another. + * @param other Other RegionSelection. + */ RegionSelection& RegionSelection::operator= (const RegionSelection& other) { if (this != &other) { clear_all(); - - for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) { - add (*i, false); - } _current_start = other._current_start; _current_end = other._current_end; + + for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) { + add (*i); + } } return *this; } +/** Empty this RegionSelection. + */ void RegionSelection::clear_all() { @@ -83,101 +88,123 @@ RegionSelection::clear_all() _current_end = 0; } -bool RegionSelection::contains (RegionView* rv) +/** + * @param rv RegionView. + * @return true if this selection contains rv. + */ +bool RegionSelection::contains (RegionView* rv) const { - return this->find (rv) != end(); + return find (begin(), end(), rv) != end(); } -void -RegionSelection::add (RegionView* rv, bool dosort) +/** Add a region to the selection. + * @param rv Region to add. + * @return false if we already had the region, otherwise true. + */ +bool +RegionSelection::add (RegionView* rv) { if (contains (rv)) { /* we already have it */ - return; + return false; } - rv->RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it)); - if (rv->region()->first_frame() < _current_start || empty()) { _current_start = rv->region()->first_frame(); } - + if (rv->region()->last_frame() > _current_end || empty()) { _current_end = rv->region()->last_frame(); } - - insert (rv); - // add to layer sorted list + push_back (rv); + + /* add to layer sorted list */ + add_to_layer (rv); - + + return true; } +/** Remove a region from the selection. + * @param rv Region to remove. + */ void RegionSelection::remove_it (RegionView *rv) { remove (rv); } +/** Remove a region from the selection. + * @param rv Region to remove. + * @return true if the region was in the selection, false if not. + */ bool RegionSelection::remove (RegionView* rv) { - RegionSelection::iterator i; + RegionSelection::iterator r; - if ((i = this->find (rv)) != end()) { - - erase (i); + if ((r = find (begin(), end(), rv)) != end()) { // remove from layer sorted list _bylayer.remove (rv); - - if (empty()) { + + if (size() == 1) { + + /* this is the last one, so when we delete it + we will be empty. + */ _current_start = 0; _current_end = 0; } else { - - boost::shared_ptr region ((*i)->region()); + + boost::shared_ptr region ((*r)->region()); if (region->first_frame() == _current_start) { - + /* reset current start */ - + nframes_t ref = max_frames; - - for (i = begin (); i != end(); ++i) { + + for (RegionSelection::iterator i = begin (); i != end(); ++i) { if (region->first_frame() < ref) { ref = region->first_frame(); } } - + _current_start = ref; - + } - + if (region->last_frame() == _current_end) { /* reset current end */ - + nframes_t ref = 0; - - for (i = begin (); i != end(); ++i) { + + for (RegionSelection::iterator i = begin (); i != end(); ++i) { if (region->first_frame() > ref) { ref = region->first_frame(); } } - + _current_end = ref; } } + erase (r); + return true; } return false; } +/** Add a region to the list sorted by layer. + * @param rv Region to add. + */ void RegionSelection::add_to_layer (RegionView * rv) { @@ -198,12 +225,16 @@ RegionSelection::add_to_layer (RegionView * rv) } struct RegionSortByTime { - bool operator() (const RegionView* a, const RegionView* b) { + bool operator() (const RegionView* a, const RegionView* b) const { return a->region()->position() < b->region()->position(); } }; +/** + * @param foo List which will be filled with the selection's regions + * sorted by position. + */ void RegionSelection::by_position (list& foo) const { @@ -217,3 +248,61 @@ RegionSelection::by_position (list& foo) const foo.sort (sorter); return; } + +struct RegionSortByTrack { + bool operator() (const RegionView* a, const RegionView* b) const { + + /* really, track and position */ + + if (a->get_trackview().order() == b->get_trackview().order()) { + return a->region()->position() < b->region()->position(); + } else { + return a->get_trackview().order() < b->get_trackview().order(); + } + } +}; + + +/** + * @param List which will be filled with the selection's regions + * sorted by track and position. + */ +void +RegionSelection::by_track (list& foo) const +{ + list::const_iterator i; + RegionSortByTrack sorter; + + for (i = _bylayer.begin(); i != _bylayer.end(); ++i) { + foo.push_back (*i); + } + + foo.sort (sorter); + return; +} + +/** + * @param Sort the selection by position and track. + */ +void +RegionSelection::sort_by_position_and_track () +{ + RegionSortByTrack sorter; + sort (sorter); +} + +/** + * @param tv Track. + * @return true if any of the selection's regions are on tv. + */ +bool +RegionSelection::involves (const TimeAxisView& tv) const +{ + for (RegionSelection::const_iterator i = begin(); i != end(); ++i) { + if (&(*i)->get_trackview() == &tv) { + return true; + } + } + return false; +} +