dl-fldigi/src/rigcontrol/FreqControl.cxx

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15 KiB
C++

// ----------------------------------------------------------------------------
// Frequency Control Widget
//
// Copyright (C) 2014
// David Freese, W1HKJ
//
// This file is part of flrig.
//
// flrig 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 3 of the License, or
// (at your option) any later version.
//
// flrig 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, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#include <config.h>
#include <FL/Fl.H>
#include <FL/Fl_Float_Input.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Box.H>
#include <cstdlib>
#include <cmath>
#include <stdio.h>
#include "fl_digi.h"
#include "qrunner.h"
#include "FreqControl.h"
#include "gettext.h"
const char *cFreqControl::Label[10] = {
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };
void cFreqControl::IncFreq (int nbr) {
double v = (double)val + (double)mult[nbr] * precision;
if (v <= maxVal) val = (long int)v;
updatevalue();
do_callback();
}
void cFreqControl::DecFreq (int nbr) {
double v = (double)val - (double)mult[nbr] * precision;
if (v >= minVal) val = (long int)v;
updatevalue();
do_callback();
}
void cbSelectDigit (Fl_Widget *btn, void * nbr)
{
Fl_Button *b = (Fl_Button *)btn;
int Nbr = (int)(reinterpret_cast<long> (nbr));
cFreqControl *fc = (cFreqControl *)b->parent();
if (fc->hrd_buttons) {
int yclick = Fl::event_y();
int fc_yc = fc->y() + fc->h()/2;
if (yclick <= fc_yc)
fc->IncFreq(Nbr);
else
fc->DecFreq(Nbr);
} else {
if (Fl::event_button1())
fc->IncFreq(Nbr);
else if (Fl::event_button3())
fc->DecFreq(Nbr);
}
fc->redraw();
}
cFreqControl::cFreqControl(int x, int y, int w, int h, const char *lbl):
Fl_Group(x,y,w,h,"") {
font_number = FL_HELVETICA;
ONCOLOR = FL_YELLOW;
OFFCOLOR = FL_BLACK;
SELCOLOR = fl_rgb_color(100, 100, 100);
ILLUMCOLOR = FL_GREEN;
oldval = val = 0;
precision = 1;
dpoint = 3;
W = w;
nD = atoi(lbl);
if (nD > MAX_DIGITS) nD = MAX_DIGITS;
if (nD < MIN_DIGITS) nD = MIN_DIGITS;
bdr = 2;
fcHeight = h - 2 * bdr;
int fw, fh, ht = fcHeight;
fl_font(font_number, ++ht);
fh = fl_height() + 1;
while (fh > fcHeight) {
ht--;
fl_font(font_number, ht);
fh = fl_height();
}
fl_font(font_number, ht);
fw = fl_width("0") + 4;
pw = fw / 2;
while( (nD * fw + pw) >= (W - 2*bdr)) {
ht--;
fl_font(font_number, ht);
fw = fl_width("0") + 4;
pw = fw / 2;
}
fh = fl_height();
wfill = (w - nD * fw - pw - 2*bdr) / 2;
int wf2 = w - nD * fw - pw - 2*bdr - wfill;
fcWidth = fw;
fcTop = y + bdr;
int xpos;
box(FL_DOWN_BOX);
color(OFFCOLOR);
minVal = 0;
double fmaxval = (pow(10, nD) - 1) * precision;
long int UMAX = maximum();
if (fmaxval > UMAX) fmaxval = UMAX;
maxVal = fmaxval;
fmaxval /= 1000.0;
static char tt[100];
snprintf(tt, sizeof(tt), "Enter frequency (max %.3f) or\nLeft/Right/Up/Down/Pg_Up/Pg_Down", fmaxval);
tooltip(tt);
hfill2 = new Fl_Box(x + w - bdr - wf2, fcTop, wf2, fcHeight, "");
hfill2->box(FL_FLAT_BOX);
hfill2->labelcolor(ONCOLOR);
hfill2->color(OFFCOLOR);
xpos = x + w - bdr - wfill;
for (int n = 0; n < 3; n++) {
xpos -= fcWidth;
Digit[n] = new Fl_Repeat_Button (
xpos,
fcTop,
fcWidth,
fcHeight,
" ");
Digit[n]->box(FL_FLAT_BOX);
Digit[n]->labelfont(font_number);
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR, SELCOLOR);
Digit[n]->labelsize(fh);
Digit[n]->callback(cbSelectDigit, reinterpret_cast<void*>(n));
if (n == 0) mult[n] = 1;
else mult[n] = 10 * mult[n-1];
}
xpos -= pw;
decbx = new Fl_Box(xpos, fcTop, pw, fcHeight,".");
decbx->box(FL_FLAT_BOX);
decbx->labelfont(font_number);
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->labelsize(fh);
for (int n = 3; n < nD; n++) {
xpos -= fcWidth;
Digit[n] = new Fl_Repeat_Button (
xpos,
fcTop,
fcWidth,
fcHeight,
" ");
Digit[n]->box(FL_FLAT_BOX);
Digit[n]->labelfont(font_number);
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR, SELCOLOR);
Digit[n]->labelsize(fh);
Digit[n]->callback(cbSelectDigit, reinterpret_cast<void*>(n));
if (n == 0) mult[n] = 1;
else mult[n] = 10 * mult[n-1];
}
hfill1 = new Fl_Box(x + bdr, fcTop, Digit[nD-1]->x() - x - bdr, fcHeight, "");
hfill1->box(FL_FLAT_BOX);
hfill1->labelcolor(ONCOLOR);
hfill1->color(OFFCOLOR);
cbFunc = NULL;
end();
finp = new Fl_Float_Input(0, 0, 24,24);//1, 1);
finp->callback(freq_input_cb, this);
finp->when(FL_WHEN_CHANGED);
parent()->remove(finp);
precision = 1;
hrd_buttons = true;
enable_arrow_keys = false;
}
cFreqControl::~cFreqControl()
{
for (int i = 0; i < nD; i++) {
delete Digit[i];
}
delete finp;
}
void cFreqControl::updatevalue()
{
long int v = val / precision;
int i;
if (likely(v > 0L)) {
for (i = 0; i < nD; i++) {
Digit[i]->label(v == 0 ? "" : Label[v % 10]);
v /= 10;
}
}
else {
for (i = 0; i < 4; i++)
Digit[i]->label("0");
for (; i < nD; i++)
Digit[i]->label("");
}
decbx->label(".");
decbx->redraw_label();
redraw();
}
void cFreqControl::font(Fl_Font fnt)
{
font_number = fnt;
set_ndigits(nD);
updatevalue();
}
void cFreqControl::SetONOFFCOLOR( Fl_Color ONcolor, Fl_Color OFFcolor)
{
OFFCOLOR = REVONCOLOR = OFFcolor;
ONCOLOR = REVOFFCOLOR = ONcolor;
for (int n = 0; n < nD; n++) {
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR);
Digit[n]->redraw();
Digit[n]->redraw_label();
}
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->redraw();
decbx->redraw_label();
hfill1->labelcolor(ONCOLOR);
hfill1->color(OFFCOLOR);
hfill1->redraw();
hfill1->redraw_label();
hfill2->labelcolor(ONCOLOR);
hfill2->color(OFFCOLOR);
hfill2->redraw();
hfill2->redraw_label();
color(OFFCOLOR);
redraw();
}
void cFreqControl::SetONCOLOR (uchar r, uchar g, uchar b)
{
ONCOLOR = fl_rgb_color (r, g, b);
REVOFFCOLOR = ONCOLOR;
for (int n = 0; n < nD; n++) {
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR);
Digit[n]->redraw();
Digit[n]->redraw_label();
}
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->redraw();
decbx->redraw_label();
hfill1->color(OFFCOLOR);
hfill1->labelcolor(ONCOLOR);
hfill1->redraw();
hfill1->redraw_label();
hfill2->labelcolor(ONCOLOR);
hfill2->color(OFFCOLOR);
hfill2->redraw();
hfill2->redraw_label();
color(OFFCOLOR);
redraw();
}
void cFreqControl::SetOFFCOLOR (uchar r, uchar g, uchar b)
{
OFFCOLOR = fl_rgb_color (r, g, b);
REVONCOLOR = OFFCOLOR;
for (int n = 0; n < nD; n++) {
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR);
}
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->redraw();
decbx->redraw_label();
hfill1->color(OFFCOLOR);
hfill1->labelcolor(ONCOLOR);
hfill1->redraw();
hfill1->redraw_label();
hfill2->labelcolor(ONCOLOR);
hfill2->color(OFFCOLOR);
hfill2->redraw();
hfill2->redraw_label();
color(OFFCOLOR);
redraw();
}
static void blink_point(Fl_Widget* w)
{
w->label(*w->label() ? "" : ".");
Fl::add_timeout(0.2, (Fl_Timeout_Handler)blink_point, w);
}
void cFreqControl::value(long lv)
{
oldval = val = lv;
Fl::remove_timeout((Fl_Timeout_Handler)blink_point, decbx);
updatevalue();
}
long int cFreqControl::maximum(void)
{
return (long int)(pow(2, 31) - 1);
}
void cFreqControl::restore_colors()
{
enable_arrow_keys = false;
for (int n = 0; n < nD; n++) {
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR);
Digit[n]->redraw();
Digit[n]->redraw_label();
}
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->redraw();
decbx->redraw_label();
hfill1->labelcolor(ONCOLOR);
hfill1->color(OFFCOLOR);
hfill1->redraw();
hfill1->redraw_label();
hfill2->labelcolor(ONCOLOR);
hfill2->color(OFFCOLOR);
hfill2->redraw();
hfill2->redraw_label();
color(OFFCOLOR);
redraw();
}
void cFreqControl::reverse_colors()
{
enable_arrow_keys = true;
for (int n = 0; n < nD; n++) {
Digit[n]->labelcolor(REVONCOLOR);
Digit[n]->color(REVOFFCOLOR);
Digit[n]->redraw();
Digit[n]->redraw_label();
}
decbx->labelcolor(REVONCOLOR);
decbx->color(REVOFFCOLOR);
decbx->redraw();
decbx->redraw_label();
hfill1->labelcolor(REVONCOLOR);
hfill1->color(REVOFFCOLOR);
hfill1->redraw();
hfill1->redraw_label();
hfill2->labelcolor(REVONCOLOR);
hfill2->color(REVOFFCOLOR);
hfill2->redraw();
hfill2->redraw_label();
color(REVOFFCOLOR);
redraw();
}
#define KEEP_FOCUS (void *)0
#define LOSE_FOCUS (void *)1
void cFreqControl::cancel_kb_entry(void)
{
val = oldval;
Fl::remove_timeout((Fl_Timeout_Handler)blink_point, decbx);
updatevalue();
}
int cFreqControl::handle(int event)
{
static Fl_Widget* fw = NULL;
int d;
switch (event) {
case FL_FOCUS:
return 1;
case FL_UNFOCUS:
return 1;
case FL_ENTER:
fw = Fl::focus();
if (fw != NULL) // if NULL then fldigi did not have focus
take_focus();
break;
case FL_LEAVE:
if (fw)
fw->take_focus();
if (Fl::has_timeout((Fl_Timeout_Handler)blink_point, this))
cancel_kb_entry();
clear_focus();
updatevalue();
return 1;
break;
case FL_KEYBOARD:
switch (d = Fl::event_key()) {
case FL_Right:
if (Fl::event_shift())
d = 100 * lsd;
else
d = lsd;
val += d;
updatevalue();
do_callback();
return 1;
break;
case FL_Left:
if (Fl::event_shift())
d = -100 * lsd;
else
d = -1 * lsd;
val += d;
updatevalue();
do_callback();
return 1;
break;
case FL_Up:
if (Fl::event_shift())
d = 1000 * lsd;
else
d = 10 * lsd;
val += d;
updatevalue();
do_callback();
return 1;
break;
case FL_Down:
if (Fl::event_shift())
d = -1000 * lsd;
else
d = -10 * lsd;
val += d;
updatevalue();
do_callback();
return 1;
break;
default:
if (Fl::event_ctrl()) {
if (Fl::event_key() == 'v') {
finp->handle(event);
Fl::remove_timeout((Fl_Timeout_Handler)blink_point, decbx);
return 1;
}
}
if (Fl::has_timeout((Fl_Timeout_Handler)blink_point, decbx)) {
if (d == FL_Escape) {
cancel_kb_entry();
return 1;
}
else if (d == FL_Enter || d == FL_KP_Enter) {
finp->position(finp->size());
finp->replace(finp->position(), finp->mark(), "\n", 1);
clear_focus();
updatevalue();
do_callback();
return 1;
}
}
else {
if (d == FL_Escape && window() != Fl::first_window()) {
window()->do_callback();
return 1;
} else if (d == FL_Enter) {
clear_focus();
updatevalue();
do_callback();
return 1;
}
int ch = Fl::event_text()[0];
if (ch < '0' || ch > '9') return Fl_Group::handle(event);
Fl::add_timeout(0.0, (Fl_Timeout_Handler)blink_point, decbx);
finp->static_value("");
oldval = val;
if (!enable_arrow_keys) reverse_colors();
}
return finp->handle(event);
}
val += d;
updatevalue();
do_callback();
break;
case FL_MOUSEWHEEL:
if ( !((d = Fl::event_dy()) || (d = Fl::event_dx())) )
return 1;
for (int i = 0; i < nD; i++) {
if (Fl::event_inside(Digit[i])) {
d > 0 ? DecFreq(i) : IncFreq(i);
break;
}
}
break;
case FL_PUSH:
if (Fl::event_button() == FL_MIDDLE_MOUSE)
Fl::paste(*this, 0);
else
return Fl_Group::handle(event);
break;
case FL_PASTE:
finp->value(Fl::event_text());
finp->position(finp->size());
finp->insert(" \n", 2); // space before newline for pasted text
finp->do_callback();
break;
}
return Fl_Group::handle(event);
}
void cFreqControl::freq_input_cb(Fl_Widget*, void* arg)
{
cFreqControl* fc = reinterpret_cast<cFreqControl*>(arg);
double val = strtod(fc->finp->value(), NULL);
long int lval;
val *= 1e3;
val += 0.5;
lval = (long)val;
if (lval <= fc->maxVal) {
fc->val = (long)val;
fc->updatevalue();
if (fc->finp->index(fc->finp->size() - 1) == '\n' && val > 0.0) {
Fl::remove_timeout((Fl_Timeout_Handler)blink_point, fc->decbx);
fc->do_callback();
}
}
}
static void restore_color(void* w)
{
cFreqControl *fc = (cFreqControl *)w;
fc->restore_colors();
}
void cFreqControl::visual_beep()
{
reverse_colors();
Fl::add_timeout(0.1, restore_color, this);
}
void cFreqControl::set_ndigits(int nbr)
{
delete decbx;
for (int n = 0; n < nD; n++) {
this->remove(Digit[n]);
delete Digit[n];
}
nD = nbr;
if (nD > MAX_DIGITS) nD = MAX_DIGITS;
if (nD < MIN_DIGITS) nD = MIN_DIGITS;
int fw, fh, ht = h() - 2*bdr;
fl_font(font_number, ht);
fh = fl_height() + 1;
while (fh > fcHeight) {
ht--;
fl_font(font_number, ht);
fh = fl_height();
}
fl_font(font_number, ht);
fw = fl_width("0") + 4;
pw = fw / 2;
while( (nD * fw + pw) >= (W - 2*bdr)) {
ht--;
fl_font(font_number, ht);
fw = fl_width("0") + 4;
pw = fw / 2;
}
fh = fl_height();
fcWidth = fw;
int wf1 = (w() - nD * fcWidth - pw - 2*bdr)/2;
int wf2 = w() - nD * fcWidth - pw - 2*bdr - wf1;
fcTop = y() + bdr;
int xpos;
minVal = 0;
double fmaxval = (pow(10, nD) - 1) * precision;
long int UMAX = (long int)(pow(2, 31) - 1);
if (fmaxval > UMAX) fmaxval = UMAX;
maxVal = fmaxval;
fmaxval /= 1000.0;
static char tt[100];
snprintf(tt, sizeof(tt), "Enter frequency (max %.3f) or\nLeft/Right/Up/Down/Pg_Up/Pg_Down", fmaxval);
tooltip(tt);
hfill2->resize(x() + w() - bdr - wf2, fcTop, wf2, fcHeight);
xpos = x() + w() - bdr - wf2;
for (int n = 0; n < dpoint; n++) {
xpos -= fcWidth;
Digit[n] = new Fl_Repeat_Button (
xpos,
fcTop,
fcWidth,
fcHeight,
" ");
Digit[n]->box(FL_FLAT_BOX);
Digit[n]->labelfont(font_number);
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR, SELCOLOR);
Digit[n]->labelsize(fh);
Digit[n]->callback(cbSelectDigit, reinterpret_cast<void*>(n));
if (n == 0) mult[n] = 1;
else mult[n] = 10 * mult[n-1];
this->add(Digit[n]);
}
xpos -= pw;
decbx = new Fl_Box(xpos, fcTop, pw, fcHeight,".");
decbx->box(FL_FLAT_BOX);
decbx->labelfont(font_number);
decbx->labelcolor(ONCOLOR);
decbx->color(OFFCOLOR);
decbx->labelsize(fh);
this->add(decbx);
for (int n = dpoint; n < nD; n++) {
xpos -= fcWidth;
Digit[n] = new Fl_Repeat_Button (
xpos,
fcTop,
fcWidth,
fcHeight,
" ");
Digit[n]->box(FL_FLAT_BOX);
Digit[n]->labelfont(font_number);
Digit[n]->labelcolor(ONCOLOR);
Digit[n]->color(OFFCOLOR, SELCOLOR);
Digit[n]->labelsize(fh);
Digit[n]->callback(cbSelectDigit, reinterpret_cast<void*>(n));
if (n == 0) mult[n] = 1;
else mult[n] = 10 * mult[n-1];
this->add(Digit[n]);
}
hfill1->resize(x() + bdr, fcTop, wf1, fcHeight);
redraw();
}
void cFreqControl::resize(int x, int y, int w, int h)
{
Fl_Group::resize(x,y,w,h);
int wf1 = (w - nD * fcWidth - pw - 2*bdr) / 2;
int wf2 = w - nD * fcWidth - pw - 2*bdr - wf1;
hfill2->resize(x + w - bdr - wf2, y + bdr, wf2, h - 2*bdr);
int xpos = x + w - bdr - wf2;
int ypos = y + bdr;
for (int n = 0; n < dpoint; n++) {
xpos -= fcWidth;
Digit[n]->resize(xpos, ypos, fcWidth, fcHeight);
}
xpos -= pw;
decbx->resize(xpos, ypos, pw, fcHeight);
for (int n = dpoint; n < nD; n++) {
xpos -= fcWidth;
Digit[n]->resize(xpos, ypos, fcWidth, fcHeight);
}
hfill1->resize(x + bdr, y + bdr, wf1, h - 2*bdr);
Fl_Group::redraw();
}