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- // ----------------------------------------------------------------------
- //
- // Copyright (C) 2010-2014 Fons Adriaensen <fons@linuxaudio.org>
- // Modified by falkTX on Jan 2015 for inclusion in Carla
- //
- // 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.
- //
- // ----------------------------------------------------------------------
-
-
- #include <math.h>
- #include "guiclass.h"
-
- namespace AT1 {
-
-
- int Pbutt0::handle_press (void)
- {
- _state |= 2;
- return PRESS;
- }
-
- int Pbutt0::handle_relse (void)
- {
- _state &= ~2;
- return NOP;
- }
-
-
- int Pbutt1::handle_press (void)
- {
- _state ^= 1;
- return PRESS;
- }
-
- int Pbutt1::handle_relse (void)
- {
- return NOP;
- }
-
-
-
- Rlinctl::Rlinctl (X_window *parent,
- X_callback *cbobj,
- int cbind,
- RotaryGeom *rgeom,
- int xp,
- int yp,
- int cm,
- int dd,
- double vmin,
- double vmax,
- double vini) :
- RotaryCtl (parent, cbobj, cbind, rgeom, xp, yp),
- _cm (cm),
- _dd (dd),
- _vmin (vmin),
- _vmax (vmax),
- _form (0)
- {
- _count = -1;
- set_value (vini);
- }
-
- void Rlinctl::get_string (char *p, int n)
- {
- if (_form) snprintf (p, n, _form, _value);
- else *p = 0;
- }
-
- void Rlinctl::set_value (double v)
- {
- set_count ((int) floor (_cm * (v - _vmin) / (_vmax - _vmin) + 0.5));
- render ();
- }
-
- int Rlinctl::handle_button (void)
- {
- return PRESS;
- }
-
- int Rlinctl::handle_motion (int dx, int dy)
- {
- return set_count (_rcount + dx - dy);
- }
-
- int Rlinctl::handle_mwheel (int dw)
- {
- if (! (_keymod & ShiftMask)) dw *= _dd;
- return set_count (_count + dw);
- }
-
- int Rlinctl::set_count (int u)
- {
- if (u < 0) u= 0;
- if (u > _cm) u = _cm;
- if (u != _count)
- {
- _count = u;
- _value = _vmin + u * (_vmax - _vmin) / _cm;
- _angle = 270.0 * ((double) u / _cm - 0.5);
- return DELTA;
- }
- return 0;
- }
-
-
-
- Rlogctl::Rlogctl (X_window *parent,
- X_callback *cbobj,
- int cbind,
- RotaryGeom *rgeom,
- int xp,
- int yp,
- int cm,
- int dd,
- double vmin,
- double vmax,
- double vini) :
- RotaryCtl (parent, cbobj, cbind, rgeom, xp, yp),
- _cm (cm),
- _dd (dd),
- _form (0)
- {
- _count = -1;
- _vmin = log (vmin);
- _vmax = log (vmax);
- set_value (vini);
- }
-
- void Rlogctl::get_string (char *p, int n)
- {
- if (_form) snprintf (p, n, _form, _value);
- else *p = 0;
- }
-
- void Rlogctl::set_value (double v)
- {
- set_count ((int) floor (_cm * (log (v) - _vmin) / (_vmax - _vmin) + 0.5));
- render ();
- }
-
- int Rlogctl::handle_button (void)
- {
- return PRESS;
- }
-
- int Rlogctl::handle_motion (int dx, int dy)
- {
- return set_count (_rcount + dx - dy);
- }
-
- int Rlogctl::handle_mwheel (int dw)
- {
- if (! (_keymod & ShiftMask)) dw *= _dd;
- return set_count (_count + dw);
- }
-
- int Rlogctl::set_count (int u)
- {
- if (u < 0) u= 0;
- if (u > _cm) u = _cm;
- if (u != _count)
- {
- _count = u;
- _value = exp (_vmin + u * (_vmax - _vmin) / _cm);
- _angle = 270.0 * ((double) u / _cm - 0.5);
- return DELTA;
- }
- return 0;
- }
-
-
- }
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