-#include <iostream>
+/*
+ Copyright (C) 2000-2007 Paul Davis
-#include "panner.h"
+ 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.
-using namespace std;
+ 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.
-static const int triangle_size = 5;
+ 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.
-static void
-null_label_callback (char* buf, unsigned int bufsize)
-{
- /* no label */
+*/
- buf[0] = '\0';
-}
+#include <iostream>
+#include <iomanip>
+#include <cstring>
+#include "ardour/panner.h"
+#include "panner.h"
+#include "i18n.h"
+
+using namespace std;
+using namespace Gtk;
+static const int triangle_size = 5;
-PannerBar::PannerBar (Gtk::Adjustment& adj, PBD::Controllable& c)
- : BarController (adj, c, sigc::ptr_fun (null_label_callback))
+PannerBar::PannerBar (Adjustment& adj, boost::shared_ptr<PBD::Controllable> c)
+ : BarController (adj, c)
{
set_style (BarController::Line);
}
GdkPoint points[3];
// left
-
+
points[0].x = 0;
points[0].y = 0;
points[1].x = triangle_size;
points[1].y = 0;
-
+
points[2].x = 0;
points[2].y = triangle_size;
points[0].x = (darea.get_width()/2 - triangle_size);
points[0].y = 0;
- points[1].x = (darea.get_width()/2 + triangle_size) - 1;
+ points[1].x = (darea.get_width()/2 + triangle_size);
points[1].y = 0;
-
- points[2].x = darea.get_width()/2 - 1;
+
+ points[2].x = darea.get_width()/2;
points[2].y = triangle_size - 1;
- gdk_draw_polygon (win->gobj(), gc->gobj(), true, points, 3);
+ gdk_draw_polygon (win->gobj(), gc->gobj(), true, points, 3);
// right
- points[0].x = (darea.get_width() - triangle_size) - 1;
+ points[0].x = (darea.get_width() - triangle_size);
points[0].y = 0;
- points[1].x = darea.get_width() - 1;
+ points[1].x = darea.get_width();
points[1].y = 0;
-
- points[2].x = darea.get_width() - 1;
+
+ points[2].x = darea.get_width();
points[2].y = triangle_size;
gdk_draw_polygon (win->gobj(), gc->gobj(), true, points, 3);
bool
PannerBar::button_release (GdkEventButton* ev)
{
- return BarController::button_release (ev);
+ bool const r = BarController::button_release (ev);
+
+ /* get rid of any `C' labels that may exist */
+ queue_draw ();
+ return r;
}
+bool
+PannerBar::entry_input (double *new_value)
+{
+ Entry* e = dynamic_cast<Entry*> (&spinner);
+ string const text = e->get_text ();
+
+ string digits;
+ string letters;
+
+ string const L = _("L");
+ string const C = _("C");
+ string const R = _("R");
+
+ for (string::size_type i = 0; i < text.length(); ++i) {
+ if (isdigit (text[i])) {
+ digits += text[i];
+ } else if (text[i] != '%') {
+ letters += text[i];
+ }
+ }
+
+ if (letters.empty()) {
+ /* no letter specified, so take any number as a percentage where
+ * 0 is left and 100 right */
+ *new_value = digits.empty() ? 0.5 : (atoi (digits.c_str()) / 100.0);
+ } else {
+ /* letter given, so value is a percentage to the extreme
+ * (e.g. 100L is full left, 1L is slightly left */
+ if (letters[0] == L[0] || letters[0] == tolower (L[0])) {
+ *new_value = digits.empty() ? 0 : (0.5 - atoi (digits.c_str()) / 200.0);
+ } else if (letters[0] == R[0] || letters[0] == tolower (R[0])) {
+ *new_value = digits.empty() ? 1 : 0.5 + atoi (digits.c_str()) / 200.0;
+ } else if (letters[0] == C[0] || letters[0] == tolower (C[0])) {
+ *new_value = 0.5;
+ }
+ }
+
+ return true;
+}
+
+bool
+PannerBar::entry_output ()
+{
+ Entry* e = dynamic_cast<Entry*> (&spinner);
+ e->set_text (value_as_string (spinner.get_adjustment()->get_value()));
+ return true;
+}
+
+string
+PannerBar::value_as_string (double v) const
+{
+ if (ARDOUR::Panner::equivalent (v, 0.5)) {
+ return _("C");
+ } else if (ARDOUR::Panner::equivalent (v, 0)) {
+ return _("L");
+ } else if (ARDOUR::Panner::equivalent (v, 1)) {
+ return _("R");
+ } else if (v < 0.5) {
+ std::stringstream s;
+ s << fixed << setprecision (0) << _("L") << ((0.5 - v) * 200) << "%";
+ return s.str();
+ } else if (v > 0.5) {
+ std::stringstream s;
+ s << fixed << setprecision (0) << _("R") << ((v -0.5) * 200) << "%";
+ return s.str ();
+ }
+
+ return "";
+}
+
+std::string
+PannerBar::get_label (int& x)
+{
+ double const value = spinner.get_adjustment()->get_value ();
+
+ if (ARDOUR::Panner::equivalent (value, 0.5)) {
+
+ /* centre: only display text during a drag */
+
+ if (!grabbed) {
+ return "";
+ }
+
+ } else {
+
+ /* non-centre: display text on the side of the panner which has more space */
+
+ Glib::RefPtr<Pango::Context> p = get_pango_context ();
+ Glib::RefPtr<Pango::Layout> l = Pango::Layout::create (p);
+ l->set_text (value_as_string (value));
+
+ Pango::Rectangle const ext = l->get_ink_extents ();
+
+ if (value < 0.5) {
+ x = (darea.get_width() - 4 - ext.get_width() / Pango::SCALE);
+ } else {
+ x = 4;
+ }
+ }
+
+ return value_as_string (value);
+}
projects / ardour.git / blobdiff