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tempo_dialog.cc

#include <cstdio> // for snprintf, grrr 

#include <gtkmmext/utils.h>

#include "tempo_dialog.h"

#include "i18n.h"

using namespace Gtk;
using namespace ARDOUR;

TempoDialog::TempoDialog (TempoMap& map, jack_nframes_t frame, string action)
      : ArdourDialog ("tempo dialog"),
        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, string action)
      : ArdourDialog ("tempo dialog"),
        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)
{
      snprintf (buf, sizeof (buf), "%.2f", bpm);
      bpm_entry.set_text (buf);
      bpm_entry.select_region (0, -1);
      
      hspacer1.set_border_width (5);
      hspacer1.pack_start (bpm_entry, false, false);
      vspacer1.set_border_width (5);
      vspacer1.pack_start (hspacer1, false, false);

      bpm_frame.add (vspacer1);

      button_box.set_border_width (10);
      button_box.set_spacing (5);
      button_box.set_homogeneous (true);
      button_box.pack_start (ok_button); 
      button_box.pack_start (cancel_button); 

      vpacker.set_border_width (10);
      vpacker.set_spacing (5);

      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");
            
            Gtkmmext::set_usize_to_display_given_text (when_bar_entry, "999g", 5, 7);
            Gtkmmext::set_usize_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, 0, GTK_FILL|GTK_EXPAND);
            when_table.attach (when_bar_entry, 0, 1, 1, 2, 0, GTK_FILL|GTK_EXPAND);
            
            when_table.attach (when_beat_label, 1, 2, 0, 1, 0, 0);
            when_table.attach (when_beat_entry, 1, 2, 1, 2, 0, 0);
            
            when_frame.set_name ("MetricDialogFrame");
            when_frame.add (when_table);

            vpacker.pack_start (when_frame, false, false);
      }

      vpacker.pack_start (bpm_frame, false, false);
      vpacker.pack_start (button_box, false, false);

      bpm_frame.set_name ("MetricDialogFrame");
      bpm_entry.set_name ("MetricEntry");
      ok_button.set_name ("MetricButton");
      cancel_button.set_name ("MetricButton");

      add (vpacker);
      set_name ("MetricDialog");

      set_keyboard_input(true);
}

double 
TempoDialog::get_bpm ()
{
      double bpm;
      
      if (sscanf (bpm_entry.get_text().c_str(), "%lf", &bpm) != 1) {
            return 0;
      }

      return bpm;
}     

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, jack_nframes_t frame, 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, 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);
      Gtkmmext::set_usize_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)"));
      
      note_types.set_popdown_strings (strings);
      
      if (note_type==1.0f)
            note_types.get_entry()->set_text(_("whole (1)"));
      else if (note_type==2.0f)
            note_types.get_entry()->set_text(_("second (2)"));
      else if (note_type==3.0f)
            note_types.get_entry()->set_text(_("third (3)"));
      else if (note_type==4.0f)
            note_types.get_entry()->set_text(_("quarter (4)"));
      else if (note_type==8.0f)
            note_types.get_entry()->set_text(_("eighth (8)"));
      else if (note_type==16.0f)
            note_types.get_entry()->set_text(_("sixteenth (16)"));
      else if (note_type==32.0f)
            note_types.get_entry()->set_text(_("thirty-second (32)"));
      else
            note_types.get_entry()->set_text(_("quarter (4)"));
            
      /* strings.back() just happens to be the longest one to display */
      Gtkmmext::set_usize_to_display_given_text (*(note_types.get_entry()), strings.back(), 7, 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);

      button_box.set_border_width (10);
      button_box.set_spacing (5);
      button_box.set_homogeneous (true);
      button_box.pack_start (ok_button); 
      button_box.pack_start (cancel_button); 

      vpacker.set_border_width (10);
      vpacker.set_spacing (5);
      
      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");
            
            Gtkmmext::set_usize_to_display_given_text (when_bar_entry, "999g", 5, 7);
            Gtkmmext::set_usize_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, 0, GTK_FILL|GTK_EXPAND);
            when_table.attach (when_bar_entry, 0, 1, 1, 2, 0, GTK_FILL|GTK_EXPAND);
            
            when_table.attach (when_beat_label, 1, 2, 0, 1, 0, 0);
            when_table.attach (when_beat_entry, 1, 2, 1, 2, 0, 0);
            
            when_frame.set_name ("MetricDialogFrame");
            when_frame.add (when_table);
            
            vpacker.pack_start (when_frame, false, false);
      }

      vpacker.pack_start (bpb_frame, false, false);
      vpacker.pack_start (note_frame, false, false);
      vpacker.pack_start (button_box, false, false);
      
      bpb_frame.set_name ("MetricDialogFrame");
      note_frame.set_name ("MetricDialogFrame");
      note_types.get_entry()->set_name ("MetricEntry");
      bpb_entry.set_name ("MetricEntry");
      ok_button.set_name ("MetricButton");
      cancel_button.set_name ("MetricButton");

      add (vpacker);
      set_name ("MetricDialog");

      set_keyboard_input(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<const gchar *>::iterator i;
      string text = note_types.get_entry()->get_text();
      
      for (i = strings.begin(); i != strings.end(); ++i) {
            if (text == *i) {
                  if (sscanf (text.c_str(), "%*[^0-9]%lf", &note_type) != 1) {
                        error << 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 << 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;
}

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