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livetrax/libs/gtkmm2ext/selector.cc

237 lines
4.5 KiB
C++

/*
Copyright (C) 1999 Paul Barton-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.
$Id$
*/
#include <algorithm>
#include <functional>
#include <vector>
#include <string>
#include "pbd/pathscanner.h"
#include "gtkmm2ext/keyboard.h"
#include "gtkmm2ext/selector.h"
#include "gtkmm2ext/utils.h"
using namespace std;
using namespace Gtkmm2ext;
Selector::Selector (void (*func)(Glib::RefPtr<Gtk::ListStore>, void *), void *arg,
vector<string> titles)
{
scroll.add (tview);
scroll.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
pack_start (scroll, true, true);
vector<string>::iterator i;
for (i = titles.begin(); i != titles.end(); ++i) {
Gtk::TreeModelColumn<Glib::ustring> title;
column_records.add(title);
}
lstore = Gtk::ListStore::create(column_records);
tview.set_model(lstore);
update_contents.connect(mem_fun(*this,&Selector::rescan));
tview.show ();
refiller = func;
refill_arg = arg;
selected_row = -1;
selected_column = -1;
}
Selector::~Selector ()
{
/* ensure that any row data set with set_row_data_full() is deleted */
hide_all ();
lstore.clear ();
}
void
Selector::on_map()
{
Gtk::VBox::on_map ();
selected_row = -1;
selected_column = -1;
refill();
}
void
Selector::on_show()
{
VBox::on_show();
rescan();
}
void
Selector::reset (void (*func)(Glib::RefPtr<Gtk::ListStore>, void *), void *arg)
{
refiller = func;
refill_arg = arg;
selected_row = -1;
selected_column = -1;
refill();
}
void
Selector::refill ()
{
if (refiller) {
lstore.clear ();
refiller (lstore, refill_arg);
}
}
gint
Selector::_accept (gpointer arg)
{
((Selector *) arg)->accept ();
return FALSE;
}
gint
Selector::_chosen (gpointer arg)
{
((Selector *) arg)->chosen ();
return FALSE;
}
gint
Selector::_shift_clicked (gpointer arg)
{
((Selector *) arg)->shift_clicked ();
return FALSE;
}
gint
Selector::_control_clicked (gpointer arg)
{
((Selector *) arg)->control_clicked ();
return FALSE;
}
void
Selector::accept ()
{
Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
Gtk::TreeModel::iterator iter = tree_sel->get_selected();
if (iter) {
selection_made (new Result (tview, tree_sel));
} else {
cancel ();
}
}
void
Selector::chosen ()
{
Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
Gtk::TreeModel::iterator iter = tree_sel->get_selected();
if (iter) {
choice_made (new Result (tview, tree_sel));
} else {
cancel ();
}
}
void
Selector::shift_clicked ()
{
Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
Gtk::TreeModel::iterator iter = tree_sel->get_selected();
if (iter) {
shift_made (new Result (tview, tree_sel));
} else {
cancel ();
}
}
void
Selector::control_clicked ()
{
Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
Gtk::TreeModel::iterator iter = tree_sel->get_selected();
if (iter) {
control_made (new Result (tview, tree_sel));
} else {
cancel ();
}
}
void
Selector::cancel ()
{
Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection();
tree_sel->unselect_all();
selection_made (new Result (tview, tree_sel));
}
void
Selector::rescan ()
{
selected_row = -1;
selected_column = -1;
refill ();
show_all ();
}
struct string_cmp {
bool operator()(const string* a, const string* b) {
return *a < *b;
}
};
bool
TreeView_Selector::on_button_press_event(GdkEventButton* ev)
{
bool return_value = TreeView::on_button_press_event(ev);
if (ev && (ev->type == GDK_BUTTON_RELEASE || ev->type == GDK_2BUTTON_PRESS)) {
if (ev->state & Keyboard::PrimaryModifier) {
g_idle_add (Selector::_control_clicked, this);
} else if (ev->state & Keyboard::TertiaryModifier) {
g_idle_add (Selector::_shift_clicked, this);
} else if (ev->type == GDK_2BUTTON_PRESS) {
g_idle_add (Selector::_accept, this);
} else {
g_idle_add (Selector::_chosen, this);
}
}
return return_value;
}