void wfx_smooth(Wave *w, int a, int b) {
int d = 32; // 64 if stereo data
/* do nothing if fade edges (both of 32 samples) are > than selected
* portion of wave. d*2 => count both edges, (b-a)*2 => stereo
* values. */
if (d*2 > (b-a)*2) {
gLog("[WFX] selection is too small, nothing to do\n");
return;
}
wfx_fade(w, a, a+d, 0);
wfx_fade(w, b-d, b, 1);
}
void gWaveform::openEditMenu() {
if (selectionA == selectionB)
return;
menuOpen = true;
Fl_Menu_Item menu[] = {
{"Cut"},
{"Trim"},
{"Silence"},
{"Fade in"},
{"Fade out"},
{"Smooth edges"},
{"Set start/end here"},
{0}
};
if (chan->status == STATUS_PLAY) {
menu[0].deactivate();
menu[1].deactivate();
}
Fl_Menu_Button *b = new Fl_Menu_Button(0, 0, 100, 50);
b->box(G_BOX);
b->textsize(11);
b->textcolor(COLOR_TEXT_0);
b->color(COLOR_BG_0);
const Fl_Menu_Item *m = menu->popup(Fl::event_x(), Fl::event_y(), 0, 0, b);
if (!m) {
menuOpen = false;
return;
}
/* straightSel() to ensure that point A is always lower than B */
straightSel();
if (strcmp(m->label(), "Silence") == 0) {
wfx_silence(chan->wave, absolutePoint(selectionA), absolutePoint(selectionB));
selectionA = 0;
selectionB = 0;
stretchToWindow();
redraw();
menuOpen = false;
return;
}
if (strcmp(m->label(), "Set start/end here") == 0) {
glue_setBeginEndChannel(
(gdEditor *) window(), // parent
chan,
absolutePoint(selectionA) * 2, // stereo!
absolutePoint(selectionB) * 2, // stereo!
false, // no recalc (we do it here)
false // don't check
);
selectionA = 0;
selectionB = 0;
selectionA_abs = 0;
selectionB_abs = 0;
recalcPoints();
redraw();
menuOpen = false;
return;
}
if (strcmp(m->label(), "Cut") == 0) {
wfx_cut(chan->wave, absolutePoint(selectionA), absolutePoint(selectionB));
/* for convenience reset start/end points */
glue_setBeginEndChannel(
(gdEditor *) window(),
chan,
0,
chan->wave->size,
false);
selectionA = 0;
selectionB = 0;
selectionA_abs = 0;
selectionB_abs = 0;
setZoom(0);
menuOpen = false;
return;
}
if (strcmp(m->label(), "Trim") == 0) {
wfx_trim(chan->wave, absolutePoint(selectionA), absolutePoint(selectionB));
glue_setBeginEndChannel(
(gdEditor *) window(),
chan,
0,
chan->wave->size,
false);
selectionA = 0;
selectionB = 0;
selectionA_abs = 0;
selectionB_abs = 0;
stretchToWindow();
menuOpen = false;
redraw();
return;
}
if (!strcmp(m->label(), "Fade in") || !strcmp(m->label(), "Fade out")) {
int type = !strcmp(m->label(), "Fade in") ? 0 : 1;
wfx_fade(chan->wave, absolutePoint(selectionA), absolutePoint(selectionB), type);
selectionA = 0;
selectionB = 0;
stretchToWindow();
redraw();
menuOpen = false;
return;
}
if (!strcmp(m->label(), "Smooth edges")) {
wfx_smooth(chan->wave, absolutePoint(selectionA), absolutePoint(selectionB));
selectionA = 0;
selectionB = 0;
stretchToWindow();
redraw();
menuOpen = false;
return;
}
}
