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Mini-timeline: Cues are events but they are also continuous

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This commit is contained in:
Ben Loftis 2022-02-08 16:53:21 -06:00
parent 6b064c1599
commit 292faff26e
2 changed files with 38 additions and 4 deletions
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40
gtk2_ardour/mini_timeline.cc
View File

@ -397,7 +397,7 @@ MiniTimeline::draw_mark (cairo_t* cr, int marker_loc, int marker_right_edge, con
}
int
MiniTimeline::draw_cue (cairo_t* cr, int marker_loc, int /*ignored*/, int cue_index, bool& prelight)
MiniTimeline::draw_cue (cairo_t* cr, int marker_loc, int &leftmost_cue_pos, int tl_width, int cue_index, bool& prelight)
{
const double scale = UIConfiguration::instance ().get_ui_scale ();
@ -416,17 +416,30 @@ MiniTimeline::draw_cue (cairo_t* cr, int marker_loc, int /*ignored*/, int cue_in
prelight ? "entered marker" : "location marker");
// draw Cue as a circle
cairo_arc(cr, marker_loc, y_center, (h/2), 0, 2*M_PI);
cairo_set_source_rgb (cr, 0, 0, 0); //black
cairo_fill (cr);
cairo_arc(cr, marker_loc, y_center, (h/2)-1*scale, 0, 2*M_PI);
set_source_rgba (cr, color);
cairo_fill (cr);
// draw 'bar' to show that the Cue continues forever (*)
if (marker_loc <= leftmost_cue_pos) {
cairo_rectangle (cr, marker_loc, y_center-2*scale, tl_width, 4*scale);
set_source_rgba (cr, color);
cairo_fill (cr);
leftmost_cue_pos = marker_loc;
}
//TODO: (*) we may need 'stop' marker(s) on the timeline as well, they will overwrite the bar with black
//draw cue letter
_layout->set_text (string_compose (_("%1"), (char) ('A' + cue_index)));
cairo_set_source_rgb (cr, 0, 0, 0); //black
cairo_move_to (cr, marker_loc, y_center); //move to center of circle
int tw, th;
_layout->get_pixel_size (tw, th);
cairo_rel_move_to (cr, -1*scale-tw/2, -1*scale-th/2); //move to top-left of text
cairo_rel_move_to (cr, -tw/2, -th/2); //move to top-left of text
pango_cairo_show_layout (cr, _layout->gobj());
return marker_right_edge;
@ -540,6 +553,8 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
Gtkmm2ext::Color base = UIConfiguration::instance().color ("ruler base");
Gtkmm2ext::Color text = UIConfiguration::instance().color ("ruler text");
const double scale = UIConfiguration::instance ().get_ui_scale ();
if (_n_labels == 0) {
return;
}
@ -649,6 +664,25 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
int id = 0;
int leftmost_marker_left_edge = width;
/* draw 'bar' to show that Cues are continuous */
int leftmost_cue_pos = width;
for (std::vector<LocationMarker>::const_iterator l = lm.begin(); l != lm.end(); l++) {
if ((*l).cue_index >=0 ) {
const samplepos_t when = (*l).when.samples();
leftmost_cue_pos = floor (width * .5 + (when - phead) * _px_per_sample);
leftmost_cue_pos = std::max ( leftmost_cue_pos, 0 );
break;
}
}
if (leftmost_cue_pos < width) {
uint32_t color = UIConfiguration::instance().color ("location marker");
int y_center = PADDING + _marker_height + 2*scale + _marker_height/2;
cairo_rectangle (cr, leftmost_cue_pos, y_center-2*scale, width, 4*scale);
set_source_rgba (cr, color);
cairo_fill (cr);
}
/* draw the location and cue markers */
for (std::vector<LocationMarker>::const_iterator l = lm.begin(); l != lm.end(); ++id) {
const std::string& label = (*l).label;
const int cue_index = (*l).cue_index;
@ -681,7 +715,7 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
int marker_left_edge = marker_loc - marker_width/2;
int marker_right_edge = 0;
if (cue_index >= 0) {
marker_right_edge = draw_cue (cr, marker_loc, marker_rightmost_marker_right_edge, cue_index, prelight);
marker_right_edge = draw_cue (cr, marker_loc, leftmost_cue_pos, width, cue_index, prelight);
} else {
marker_right_edge = draw_mark (cr, marker_loc, marker_rightmost_marker_right_edge, label, prelight);
leftmost_marker_left_edge = std::min(marker_left_edge, leftmost_marker_left_edge);

2
gtk2_ardour/mini_timeline.h
View File

@ -66,7 +66,7 @@ private:
void update_minitimeline ();
void draw_dots (cairo_t*, int left, int right, int y, Gtkmm2ext::Color);
int draw_mark (cairo_t*, int x0, int x1, const std::string&, bool& prelight);
int draw_cue (cairo_t*, int x0, int x1, int cue_index, bool& prelight);
int draw_cue (cairo_t*, int x0, int &leftmost_cue_pos, int tl_width, int cue_index, bool& prelight);
int draw_edge (cairo_t*, int x0, int x1, bool left, const std::string&, bool& prelight);
void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);