ardour/livetrax
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mini-timeline: show labels for outside range markers

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This commit is contained in:
Robin Gareus 2017-04-03 16:14:01 +02:00
parent 7dde6c3b8f
commit 43a07bab51
1 changed files with 43 additions and 7 deletions
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50
gtk2_ardour/mini_timeline.cc
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@ -392,7 +392,7 @@ MiniTimeline::draw_mark (cairo_t* cr, int x0, int x1, const std::string& label,
} }
int int
MiniTimeline::draw_edge (cairo_t* cr, int x0, int x1, bool left, const std::string&, bool& prelight) MiniTimeline::draw_edge (cairo_t* cr, int x0, int x1, bool left, const std::string& label, bool& prelight)
{ {
int h = _marker_height; int h = _marker_height;
int w2 = (h - 1) / 4; int w2 = (h - 1) / 4;
@ -401,16 +401,37 @@ MiniTimeline::draw_edge (cairo_t* cr, int x0, int x1, bool left, const std::stri
const double yc = rint (h * .5); const double yc = rint (h * .5);
const double dy = h * .4; const double dy = h * .4;
bool with_label;
int lw, lh, lx;
_layout->set_text (label);
_layout->get_pixel_size (lw, lh);
double px, dx; double px, dx;
if (left) { if (left) {
x1 = std::min (x1, x0 + 2 * w2); if (x0 + 2 * w2 + lw + 2 < x1) {
x1 = std::min (x1, x0 + 2 * w2 + lw + 2);
with_label = true;
} else {
x1 = std::min (x1, x0 + 2 * w2);
with_label = false;
}
px = x0; px = x0;
dx = 2 * w2; dx = 2 * w2;
lx = x0 + dx;
} else { } else {
x0 = std::max (x0, x1 - 2 * w2); with_label = false;
if (x1 - 2 * w2 - lw - 2 > x0) {
x0 = std::max (x0, x1 - 2 * w2 - lw - 2);
with_label = true;
} else {
x0 = std::max (x0, x1 - 2 * w2);
with_label = false;
}
px = x1; px = x1;
dx = -2 * w2; dx = -2 * w2;
lx = x1 + dx - lw - 2;
} }
if (x1 - x0 < 2 * w2) { if (x1 - x0 < 2 * w2) {
return left ? x0 : x1; return left ? x0 : x1;
} }
@ -426,6 +447,21 @@ MiniTimeline::draw_edge (cairo_t* cr, int x0, int x1, bool left, const std::stri
double r, g, b, a; double r, g, b, a;
ArdourCanvas::color_to_rgba (color, r, g, b, a); ArdourCanvas::color_to_rgba (color, r, g, b, a);
if (with_label) {
const int y = PADDING;
cairo_save (cr);
cairo_rectangle (cr, lx, y, lw + 2, h);
cairo_set_source_rgba (cr, r, g, b, 0.5); // this should use a shaded color
cairo_fill_preserve (cr);
cairo_clip (cr);
// marker label
cairo_move_to (cr, lx + 1, y + .5 * (h - lh));
cairo_set_source_rgb (cr, 0, 0, 0);
pango_cairo_show_layout (cr, _layout->gobj());
cairo_restore (cr);
}
// draw arrow // draw arrow
cairo_move_to (cr, px - .5, PADDING + yc - .5); cairo_move_to (cr, px - .5, PADDING + yc - .5);
cairo_rel_line_to (cr, dx , dy); cairo_rel_line_to (cr, dx , dy);
@ -547,7 +583,7 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
std::vector<LocationMarker>::const_iterator outside_left = lm.end(); std::vector<LocationMarker>::const_iterator outside_left = lm.end();
std::vector<LocationMarker>::const_iterator outside_right = lm.end(); std::vector<LocationMarker>::const_iterator outside_right = lm.end();
int left_limit = 0; int left_limit = 0;
int right_limit = 0; int right_limit = width * .5 + mw;
int id = 0; int id = 0;
for (std::vector<LocationMarker>::const_iterator l = lm.begin(); l != lm.end(); ++id) { for (std::vector<LocationMarker>::const_iterator l = lm.begin(); l != lm.end(); ++id) {
@ -557,7 +593,7 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
if (++l != lm.end()) { if (++l != lm.end()) {
left_limit = floor (width * .5 + ((*l).when - p) * _px_per_sample) - 1 - mw; left_limit = floor (width * .5 + ((*l).when - p) * _px_per_sample) - 1 - mw;
} else { } else {
left_limit = width; left_limit = width * .5 - mw;
} }
continue; continue;
} }
@ -574,13 +610,13 @@ MiniTimeline::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_
bool prelight = false; bool prelight = false;
x1 = draw_mark (cr, x0, x1, label, prelight); x1 = draw_mark (cr, x0, x1, label, prelight);
_jumplist.push_back (JumpRange (x0 - mw, x1, when, prelight)); _jumplist.push_back (JumpRange (x0 - mw, x1, when, prelight));
right_limit = x1; right_limit = std::max (x1, right_limit);
} }
if (outside_left != lm.end ()) { if (outside_left != lm.end ()) {
if (left_limit > 3 * mw + PADDING) { if (left_limit > 3 * mw + PADDING) {
int x0 = PADDING + 1; int x0 = PADDING + 1;
int x1 = left_limit; int x1 = left_limit - mw;
bool prelight = false; bool prelight = false;
x1 = draw_edge (cr, x0, x1, true, (*outside_left).label, prelight); x1 = draw_edge (cr, x0, x1, true, (*outside_left).label, prelight);
if (x0 != x1) { if (x0 != x1) {