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livetrax/gtk2_ardour/tempo_dialog.cc

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#include <cstdio> // for snprintf, grrr
#include <gtkmm/stock.h>
#include <gtkmm2ext/utils.h>
#include "tempo_dialog.h"
#include "utils.h"
#include "i18n.h"
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
using namespace PBD;
TempoDialog::TempoDialog (TempoMap& map, nframes_t frame, const string & action)
: ArdourDialog (_("edit tempo")),
bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0, 1.0),
bpm_spinner (bpm_adjustment),
bpm_frame (_("Beats per minute")),
ok_button (action),
cancel_button (_("Cancel")),
when_bar_label (_("Bar")),
when_beat_label (_("Beat")),
when_table (2, 2),
when_frame (_("Location"))
{
BBT_Time when;
Tempo tempo (map.tempo_at (frame));
map.bbt_time (frame, when);
init (when, tempo.beats_per_minute(), true);
}
TempoDialog::TempoDialog (TempoSection& section, const string & action)
: ArdourDialog ("tempo dialog"),
bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0, 1.0),
bpm_spinner (bpm_adjustment),
bpm_frame (_("Beats per minute")),
ok_button (action),
cancel_button (_("Cancel")),
when_bar_label (_("Bar")),
when_beat_label (_("Beat")),
when_table (2, 2),
when_frame (_("Location"))
{
init (section.start(), section.beats_per_minute(), section.movable());
}
void
TempoDialog::init (const BBT_Time& when, double bpm, bool movable)
{
bpm_spinner.set_numeric (true);
bpm_spinner.set_digits (1);
bpm_spinner.set_wrap (true);
bpm_spinner.set_value (bpm);
hspacer1.set_border_width (5);
hspacer1.pack_start (bpm_spinner, false, false);
vspacer1.set_border_width (5);
vspacer1.pack_start (hspacer1, false, false);
bpm_frame.add (vspacer1);
if (movable) {
snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
when_bar_entry.set_text (buf);
snprintf (buf, sizeof (buf), "%" PRIu32, when.beats);
when_beat_entry.set_text (buf);
when_bar_entry.set_name ("MetricEntry");
when_beat_entry.set_name ("MetricEntry");
when_bar_label.set_name ("MetricLabel");
when_beat_label.set_name ("MetricLabel");
Gtkmm2ext::set_size_request_to_display_given_text (when_bar_entry, "999g", 5, 7);
Gtkmm2ext::set_size_request_to_display_given_text (when_beat_entry, "999g", 5, 7);
when_table.set_homogeneous (true);
when_table.set_row_spacings (2);
when_table.set_col_spacings (2);
when_table.set_border_width (5);
when_table.attach (when_bar_label, 0, 1, 0, 1, Gtk::AttachOptions(0), Gtk::FILL|Gtk::EXPAND);
when_table.attach (when_bar_entry, 0, 1, 1, 2, Gtk::AttachOptions(0), Gtk::FILL|Gtk::EXPAND);
when_table.attach (when_beat_label, 1, 2, 0, 1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
when_table.attach (when_beat_entry, 1, 2, 1, 2, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
when_frame.set_name ("MetricDialogFrame");
when_frame.add (when_table);
get_vbox()->pack_start (when_frame, false, false);
}
bpm_frame.set_name ("MetricDialogFrame");
bpm_spinner.set_name ("MetricEntry");
get_vbox()->pack_start (bpm_frame, false, false);
add_button (Stock::CANCEL, RESPONSE_CANCEL);
add_button (Stock::APPLY, RESPONSE_ACCEPT);
set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
set_default_response (RESPONSE_ACCEPT);
get_vbox()->show_all();
bpm_spinner.show();
set_name ("MetricDialog");
bpm_spinner.signal_activate().connect (bind (mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
bpm_spinner.signal_button_press_event().connect (mem_fun (*this, &TempoDialog::bpm_button_press), false);
bpm_spinner.signal_button_release_event().connect (mem_fun (*this, &TempoDialog::bpm_button_release), false);
}
bool
TempoDialog::bpm_button_press (GdkEventButton* ev)
{
return false;
}
bool
TempoDialog::bpm_button_release (GdkEventButton* ev)
{
/* the value has been modified, accept should work now */
set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
return false;
}
double
TempoDialog::get_bpm ()
{
return bpm_spinner.get_value ();
}
bool
TempoDialog::get_bbt_time (BBT_Time& requested)
{
if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
return false;
}
if (sscanf (when_beat_entry.get_text().c_str(), "%" PRIu32, &requested.beats) != 1) {
return false;
}
return true;
}
MeterDialog::MeterDialog (TempoMap& map, nframes_t frame, const string & action)
: ArdourDialog ("meter dialog"),
note_frame (_("Meter denominator")),
bpb_frame (_("Beats per bar")),
ok_button (action),
cancel_button (_("Cancel")),
when_bar_label (_("Bar")),
when_beat_label (_("Beat")),
when_frame (_("Location"))
{
BBT_Time when;
frame = map.round_to_bar(frame,0);
Meter meter (map.meter_at(frame));
map.bbt_time (frame, when);
init (when, meter.beats_per_bar(), meter.note_divisor(), true);
}
MeterDialog::MeterDialog (MeterSection& section, const string & action)
: ArdourDialog ("meter dialog"),
note_frame (_("Meter denominator")),
bpb_frame (_("Beats per bar")),
ok_button (action),
cancel_button (_("Cancel")),
when_bar_label (_("Bar")),
when_beat_label (_("Beat")),
when_frame (_("Location"))
{
init (section.start(), section.beats_per_bar(), section.note_divisor(), section.movable());
}
void
MeterDialog::init (const BBT_Time& when, double bpb, double note_type, bool movable)
{
snprintf (buf, sizeof (buf), "%.2f", bpb);
bpb_entry.set_text (buf);
bpb_entry.select_region (0, -1);
Gtkmm2ext::set_size_request_to_display_given_text (bpb_entry, "999999g", 5, 5);
strings.push_back (_("whole (1)"));
strings.push_back (_("second (2)"));
strings.push_back (_("third (3)"));
strings.push_back (_("quarter (4)"));
strings.push_back (_("eighth (8)"));
strings.push_back (_("sixteenth (16)"));
strings.push_back (_("thirty-second (32)"));
set_popdown_strings (note_types, strings);
if (note_type==1.0f)
note_types.set_active_text (_("whole (1)"));
else if (note_type==2.0f)
note_types.set_active_text (_("second (2)"));
else if (note_type==3.0f)
note_types.set_active_text (_("third (3)"));
else if (note_type==4.0f)
note_types.set_active_text (_("quarter (4)"));
else if (note_type==8.0f)
note_types.set_active_text (_("eighth (8)"));
else if (note_type==16.0f)
note_types.set_active_text (_("sixteenth (16)"));
else if (note_type==32.0f)
note_types.set_active_text (_("thirty-second (32)"));
else
note_types.set_active_text (_("quarter (4)"));
/* the string here needs to be the longest one to display */
const guint32 FUDGE = 20; // Combo's are stupid - they steal space from the entry for the button
Gtkmm2ext::set_size_request_to_display_given_text (note_types, "thirty-second (32)", 7+FUDGE, 7);
hspacer1.set_border_width (5);
hspacer1.pack_start (note_types, false, false);
vspacer1.set_border_width (5);
vspacer1.pack_start (hspacer1, false, false);
hspacer2.set_border_width (5);
hspacer2.pack_start (bpb_entry, false, false);
vspacer2.set_border_width (5);
vspacer2.pack_start (hspacer2, false, false);
note_frame.add (vspacer1);
bpb_frame.add (vspacer2);
if (movable) {
snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
when_bar_entry.set_text (buf);
snprintf (buf, sizeof (buf), "%" PRIu32, when.beats);
when_beat_entry.set_text (buf);
when_bar_entry.set_name ("MetricEntry");
when_beat_entry.set_name ("MetricEntry");
when_bar_label.set_name ("MetricLabel");
when_beat_label.set_name ("MetricLabel");
Gtkmm2ext::set_size_request_to_display_given_text (when_bar_entry, "999g", 5, 7);
Gtkmm2ext::set_size_request_to_display_given_text (when_beat_entry, "999g", 5, 7);
when_table.set_homogeneous (true);
when_table.set_row_spacings (2);
when_table.set_col_spacings (2);
when_table.set_border_width (5);
when_table.attach (when_bar_label, 0, 1, 0, 1, Gtk::AttachOptions(0), Gtk::FILL|Gtk::EXPAND);
when_table.attach (when_bar_entry, 0, 1, 1, 2, Gtk::AttachOptions(0), Gtk::FILL|Gtk::EXPAND);
when_table.attach (when_beat_label, 1, 2, 0, 1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
when_table.attach (when_beat_entry, 1, 2, 1, 2, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
when_frame.set_name ("MetricDialogFrame");
when_frame.add (when_table);
get_vbox()->pack_start (when_frame, false, false);
}
get_vbox()->pack_start (bpb_frame, false, false);
get_vbox()->pack_start (note_frame, false, false);
bpb_frame.set_name ("MetricDialogFrame");
note_frame.set_name ("MetricDialogFrame");
bpb_entry.set_name ("MetricEntry");
add_button (Stock::CANCEL, RESPONSE_CANCEL);
add_button (Stock::APPLY, RESPONSE_ACCEPT);
set_response_sensitive (RESPONSE_ACCEPT, false);
set_default_response (RESPONSE_ACCEPT);
get_vbox()->show_all ();
bpb_entry.show ();
set_name ("MetricDialog");
bpb_entry.signal_activate().connect (bind (mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
bpb_entry.signal_key_press_event().connect (mem_fun (*this, &MeterDialog::bpb_key_press), false);
bpb_entry.signal_key_release_event().connect (mem_fun (*this, &MeterDialog::bpb_key_release));
note_types.signal_changed().connect (mem_fun (*this, &MeterDialog::note_types_change));
}
bool
MeterDialog::bpb_key_press (GdkEventKey* ev)
{
switch (ev->keyval) {
case GDK_0:
case GDK_1:
case GDK_2:
case GDK_3:
case GDK_4:
case GDK_5:
case GDK_6:
case GDK_7:
case GDK_8:
case GDK_9:
case GDK_KP_0:
case GDK_KP_1:
case GDK_KP_2:
case GDK_KP_3:
case GDK_KP_4:
case GDK_KP_5:
case GDK_KP_6:
case GDK_KP_7:
case GDK_KP_8:
case GDK_KP_9:
case GDK_period:
case GDK_comma:
case GDK_KP_Delete:
case GDK_KP_Enter:
case GDK_Delete:
case GDK_BackSpace:
case GDK_Escape:
case GDK_Return:
case GDK_Home:
case GDK_End:
case GDK_Left:
case GDK_Right:
case GDK_Num_Lock:
case GDK_Tab:
return FALSE;
default:
break;
}
return TRUE;
}
bool
MeterDialog::bpb_key_release (GdkEventKey* ev)
{
if (bpb_entry.get_text() != "") {
set_response_sensitive (RESPONSE_ACCEPT, true);
} else {
set_response_sensitive (RESPONSE_ACCEPT, false);
}
return false;
}
void
MeterDialog::note_types_change ()
{
set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
}
double
MeterDialog::get_bpb ()
{
double bpb = 0;
if (sscanf (bpb_entry.get_text().c_str(), "%lf", &bpb) != 1) {
return 0;
}
return bpb;
}
double
MeterDialog::get_note_type ()
{
double note_type = 0;
vector<string>::iterator i;
string text = note_types.get_active_text();
for (i = strings.begin(); i != strings.end(); ++i) {
if (text == *i) {
if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
error << string_compose(_("garbaged note type entry (%1)"), text) << endmsg;
return 0;
} else {
break;
}
}
}
if (i == strings.end()) {
if (sscanf (text.c_str(), "%lf", &note_type) != 1) {
error << string_compose(_("incomprehensible note type entry (%1)"), text) << endmsg;
return 0;
}
}
return note_type;
}
bool
MeterDialog::get_bbt_time (BBT_Time& requested)
{
requested.ticks = 0;
if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
return false;
}
if (sscanf (when_beat_entry.get_text().c_str(), "%" PRIu32, &requested.beats) != 1) {
return false;
}
return true;
}