joachim/openwebrx-clone
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Added per-profile tuning step, made receiver follow tuning step, made mouse wheel tune frequency (button+wheel to zoom).

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This commit is contained in:
Marat Fayzullin
2022-07-24 18:12:48 -04:00
parent 6192978f2f
commit 3fa7705245
4 changed files with 71 additions and 25 deletions
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71
htdocs/openwebrx.js
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@@ -31,6 +31,7 @@ var fft_compression = "none";
var fft_codec;
var waterfall_setup_done = 0;
var secondary_fft_size;
var tuning_step = 1;
function updateVolume() {
audioEngine.setVolume(parseFloat($("#openwebrx-panel-volume").val()) / 100);
@@ -268,7 +269,9 @@ function scale_canvas_mousedown(evt) {
function scale_offset_freq_from_px(x, visible_range) {
if (typeof visible_range === "undefined") visible_range = get_visible_freq_range();
return (visible_range.start + visible_range.bw * (x / waterfallWidth())) - center_freq;
var f = (visible_range.start + visible_range.bw * (x / waterfallWidth())) - center_freq;
return tuning_step>0? Math.round(f / tuning_step) * tuning_step : f;
}
function scale_canvas_mousemove(evt) {
@@ -513,11 +516,16 @@ function resize_scale() {
function canvas_get_freq_offset(relativeX) {
var rel = (relativeX / canvas_container.clientWidth);
return Math.round((bandwidth * rel) - (bandwidth / 2));
var off = (bandwidth * rel) - (bandwidth / 2);
return tuning_step>0?
Math.round(off / tuning_step) * tuning_step : Math.round(off);
}
function canvas_get_frequency(relativeX) {
return center_freq + canvas_get_freq_offset(relativeX);
var f = center_freq + canvas_get_freq_offset(relativeX);
return tuning_step>0? Math.round(f / tuning_step) * tuning_step : f;
}
@@ -535,16 +543,23 @@ function format_frequency(format, freq_hz, pre_divide, decimals) {
var canvas_drag = false;
var canvas_drag_min_delta = 1;
var canvas_mouse_down = false;
var canvas_mouse2_down = 0;
var canvas_drag_last_x;
var canvas_drag_last_y;
var canvas_drag_start_x;
var canvas_drag_start_y;
function canvas_mousedown(evt) {
canvas_mouse_down = true;
canvas_drag = false;
canvas_drag_last_x = canvas_drag_start_x = evt.pageX;
canvas_drag_last_y = canvas_drag_start_y = evt.pageY;
if (evt.button > 0)
if (canvas_mouse2_down == 0)
canvas_mouse2_down = evt.button;
else {
canvas_mouse_down = true;
canvas_drag = false;
canvas_drag_last_x = canvas_drag_start_x = evt.pageX;
canvas_drag_last_y = canvas_drag_start_y = evt.pageY;
}
evt.preventDefault(); //don't show text selection mouse pointer
}
@@ -581,16 +596,21 @@ function canvas_container_mouseleave() {
}
function canvas_mouseup(evt) {
if (!waterfall_setup_done) return;
var relativeX = get_relative_x(evt);
if (evt.button > 0) {
if (evt.button == canvas_mouse2_down)
canvas_mouse2_down = 0;
} else {
if (!waterfall_setup_done) return;
var relativeX = get_relative_x(evt);
if (!canvas_drag) {
$('#openwebrx-panel-receiver').demodulatorPanel().getDemodulator().set_offset_frequency(canvas_get_freq_offset(relativeX));
if (!canvas_drag) {
$('#openwebrx-panel-receiver').demodulatorPanel().getDemodulator().set_offset_frequency(canvas_get_freq_offset(relativeX));
}
else {
canvas_end_drag();
}
canvas_mouse_down = false;
}
else {
canvas_end_drag();
}
canvas_mouse_down = false;
}
function canvas_end_drag() {
@@ -616,14 +636,18 @@ function get_relative_x(evt) {
function canvas_mousewheel(evt) {
if (!waterfall_setup_done) return;
var delta = -evt.deltaY;
// deltaMode 0 means pixels instead of lines
if ('deltaMode' in evt && evt.deltaMode === 0) {
delta /= 50;
}
var relativeX = get_relative_x(evt);
zoom_step(delta, relativeX, zoom_center_where_calc(evt.pageX));
var dir = (evt.deltaY / Math.abs(evt.deltaY)) > 0;
// Zoom when mouse button down, tune otherwise
if (canvas_mouse2_down > 0) {
zoom_step(dir, relativeX, zoom_center_where_calc(evt.pageX));
} else {
var f = $('#openwebrx-panel-receiver').demodulatorPanel().getDemodulator().get_offset_frequency();
f += dir? -tuning_step : tuning_step;
$('#openwebrx-panel-receiver').demodulatorPanel().getDemodulator().set_offset_frequency(f);
}
evt.preventDefault();
}
@@ -783,6 +807,9 @@ function on_ws_recv(evt) {
if ('tuning_precision' in config)
$('#openwebrx-panel-receiver').demodulatorPanel().setTuningPrecision(config['tuning_precision']);
if ('tuning_step' in config)
tuning_step = config['tuning_step'];
break;
case "secondary_config":
var s = json['value'];