void
seqdata::on_realize ()
{
gui_drawingarea_gtk2::on_realize();
m_hadjust.signal_value_changed().connect
(
mem_fun(*this, &seqdata::change_horz)
);
m_gc->set_foreground(white_paint()); /* works for all drawing */
char num[8]; /* pulled this out of loop */
memset(num, 0, sizeof num); /* only need this once! */
for (int i = 0; i < c_dataarea_y; ++i) /* MIDI_COUNT_MAX; 128 */
{
char val[8];
snprintf(val, sizeof val, "%3d", i); /* removed the newline */
num[0] = val[0]; /* converting to unicode? */
num[2] = val[1];
num[4] = val[2];
m_numbers[i] = Gdk::Pixmap::create(m_window, m_number_w, m_number_h, -1);
draw_rectangle(m_numbers[i], 0, 0, m_number_w, m_number_h);
render_number(m_numbers[i], 0, 0, &num[0]);
render_number(m_numbers[i], 0, m_number_offset_y, &num[2]);
render_number(m_numbers[i], 0, m_number_offset_y * 2, &num[4]);
}
update_sizes();
}
void
seqdata::draw_events_on (Glib::RefPtr<Gdk::Drawable> drawable)
{
midipulse tick;
midibyte d0, d1;
bool selected;
int starttick = m_scroll_offset_ticks;
int endtick = (m_window_x * m_zoom) + m_scroll_offset_ticks;
draw_rectangle(drawable, white_paint(), 0, 0, m_window_x, m_window_y);
m_gc->set_foreground(black_paint());
#ifdef USE_STAZED_SEQDATA_EXTENSIONS
int numselected = EVENTS_ALL; // -1
int seltype = numselected;
if (m_status == EVENT_NOTE_ON) // ??????? iffy.
{
numselected = m_seq.get_num_selected_events(m_status, m_cc);
if (numselected > 0)
seltype = EVENTS_UNSELECTED;
}
do
{
#endif
m_seq.reset_draw_marker();
#ifdef USE_STAZED_SEQDATA_EXTENSIONS
while
(
m_seq.get_next_event(m_status, m_cc, &tick, &d0, &d1, &selected, seltype)
)
#else
while (m_seq.get_next_event(m_status, m_cc, &tick, &d0, &d1, &selected))
#endif
{
if (tick >= starttick && tick <= endtick)
{
int event_x = tick / m_zoom; /* screen coordinate */
int event_height = event::is_one_byte_msg(m_status) ? d0 : d1 ;
int x = event_x - m_scroll_offset_x + 1;
set_line(Gdk::LINE_SOLID, 2); /* vertical event line */
draw_line
(
drawable, selected ? dark_orange() : black_paint(),
x, c_dataarea_y - event_height, x, c_dataarea_y
);
#ifdef USE_STAZED_SEQDATA_EXTENSIONS
draw_rectangle /* draw handle */
(
drawable, selected ? dark_orange() : black_paint(), // true,
event_x - m_scroll_offset_x - 3,
c_dataarea_y - event_height,
c_data_handle_x,
c_data_handle_y
);
#endif
drawable->draw_drawable
(
m_gc, m_numbers[event_height], 0, 0,
x + 2, c_dataarea_y - m_number_h + 3,
m_number_w, m_number_h
);
}
}
#ifdef USE_STAZED_SEQDATA_EXTENSIONS
if (seltype == EVENTS_UNSELECTED)
seltype = numselected;
else
break;
} while (seltype == EVENTS_UNSELECTED);
#endif
}
void
perftime::draw_background ()
{
draw_rectangle(white_paint(), 0, 0, m_window_x, m_window_y);
draw_line(black_paint(), 0, m_window_y - 1, m_window_x, m_window_y - 1);
midipulse first_measure = m_tick_offset / m_measure_length;
midipulse last_measure = first_measure +
(m_window_x * m_perf_scale_x / m_measure_length) + 1;
#ifdef USE_STAZED_EXTRAS
float bar_draw = m_measure_length / float(m_perf_scale_x);
int bar_skip = 1;
if (bar_draw < 24)
bar_skip = 4;
if (bar_draw < 12)
bar_skip = 8;
if (bar_draw < 6)
bar_skip = 16;
if (bar_draw < 3)
bar_skip = 32;
if (bar_draw < .75)
bar_skip = 64;
#endif
m_gc->set_foreground(grey()); /* draw vertical lines */
#ifdef USE_STAZED_EXTRAS
for (midipulse i = first_measure; i < last_measure; i += bar_skip)
{
int x_pos = ((i * m_measure_length) - m_tick_offset) / m_perf_scale_x;
#else
for (midipulse i = first_measure; i < last_measure; ++i)
{
int x_pos = tick_to_pixel(i * m_measure_length);
#endif
char bar[8];
snprintf(bar, sizeof(bar), "%ld", i + 1); /* bar numbers */
draw_line(x_pos, 0, x_pos, m_window_y); /* beat */
render_string(x_pos + 2, 0, bar, font::BLACK, true);
}
midipulse left = tick_to_pixel(perf().get_left_tick());
midipulse right = tick_to_pixel(perf().get_right_tick());
if (left >= 0 && left <= m_window_x) /* draw L marker */
{
draw_rectangle(black_paint(), left, m_window_y - 9, 7, 10);
render_string(left + 1, 9, "L", font::WHITE, true);
}
if (right >= 0 && right <= m_window_x) /* draw R marker */
{
draw_rectangle(black_paint(), right - 6, m_window_y - 9, 7, 10);
render_string(right - 6 + 1, 9, "R", font::WHITE, true);
}
}
/**
* Implement the button-press event to set the L and R ticks. Added
* functionality to try to set the start-tick if ctrl-left-click is pressed.
*
* \param p0
* The button event.
*
* \return
* Always returns true.
*/
bool
perftime::on_button_press_event (GdkEventButton * p0)
{
midipulse tick = pixel_to_tick(long(p0->x));
tick -= tick % m_snap;
/**
* Why is setting the start-tick disabled? We re-enable it and see if it
* works. To our surprise, it works, but it sticks between stop/pause and
* the next playback in the performance editor. We added a feature where
* stop sets the start-tick to the left tick (or the beginning tick).
*/
if (SEQ64_CLICK_MIDDLE(p0->button))
{
perf().set_start_tick(tick);
}
else if (SEQ64_CLICK_LEFT(p0->button))
{
if (is_ctrl_key(p0))
perf().set_start_tick(tick);
else
perf().set_left_tick(tick);
}
else if (SEQ64_CLICK_RIGHT(p0->button))
{
perf().set_right_tick(tick + m_snap);
}
enqueue_draw();
return true;
}
