diff options
Diffstat (limited to 'libs/gtkmm2ext/selector.cc')
| -rw-r--r-- | libs/gtkmm2ext/selector.cc | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/libs/gtkmm2ext/selector.cc b/libs/gtkmm2ext/selector.cc new file mode 100644 index 0000000000..371c946fe7 --- /dev/null +++ b/libs/gtkmm2ext/selector.cc @@ -0,0 +1,238 @@ +/* + 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 <gtkmm2ext/selector.h> +#include <gtkmm2ext/utils.h> +#include <pbd/pathscanner.h> +#include <pbd/error.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 (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 (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 (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 (tview, tree_sel); + } else { + cancel (); + } +} + +void +Selector::cancel () + +{ + Glib::RefPtr<Gtk::TreeSelection> tree_sel = tview.get_selection(); + tree_sel->unselect_all(); + + selection_made (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 & Gdk::CONTROL_MASK) { + gtk_idle_add (Selector::_control_clicked, this); + } else if (ev->state & Gdk::SHIFT_MASK) { + gtk_idle_add (Selector::_shift_clicked, this); + } else if (ev->type == GDK_2BUTTON_PRESS) { + gtk_idle_add (Selector::_accept, this); + } else { + gtk_idle_add (Selector::_chosen, this); + } + } + + return return_value; +} |