diff options
Diffstat (limited to 'gtk2_ardour/editor_group_tabs.cc')
-rw-r--r-- | gtk2_ardour/editor_group_tabs.cc | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/gtk2_ardour/editor_group_tabs.cc b/gtk2_ardour/editor_group_tabs.cc new file mode 100644 index 0000000000..3cad612d10 --- /dev/null +++ b/gtk2_ardour/editor_group_tabs.cc @@ -0,0 +1,125 @@ +#include "ardour/route_group.h" +#include "editor_group_tabs.h" +#include "editor.h" +#include "time_axis_view.h" +#include "utils.h" + +using namespace std; +using namespace ARDOUR; + +EditorGroupTabs::EditorGroupTabs (Editor* e) + : _editor (e) +{ + +} + +void +EditorGroupTabs::set_session (Session* s) +{ + s->RouteEditGroupChanged.connect (mem_fun (*this, &EditorGroupTabs::set_dirty)); +} + + +/** Handle a size request. + * @param req GTK requisition + */ +void +EditorGroupTabs::on_size_request (Gtk::Requisition *req) +{ + /* Use a dummy, small height and the actual width that we want */ + req->width = 16; + req->height = 16; +} + + +void +EditorGroupTabs::render (cairo_t* cr) +{ + /* background */ + + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_rectangle (cr, 0, 0, _width, _height); + cairo_fill (cr); + + int32_t curr_start = 0; + RouteGroup* curr_group = 0; + Gdk::Color curr_colour; + + int32_t y = 0; + for (Editor::TrackViewList::iterator i = _editor->track_views.begin(); i != _editor->track_views.end(); ++i) { + RouteGroup* g = (*i)->edit_group (); + + if (g != curr_group) { + if (curr_group) { + draw_group (cr, curr_start, y, curr_group, curr_colour); + } + + curr_start = y; + curr_group = g; + curr_colour = (*i)->color (); + } + + y += (*i)->effective_height (); + } + + if (curr_group) { + draw_group (cr, curr_start, y, curr_group, curr_colour); + } +} + +void +EditorGroupTabs::draw_group (cairo_t* cr, int32_t y1, int32_t y2, RouteGroup* g, Gdk::Color const & colour) +{ + double const arc_radius = _width; + + if (g->is_active()) { + cairo_set_source_rgba (cr, colour.get_red_p (), colour.get_green_p (), colour.get_blue_p (), 1); + } else { + cairo_set_source_rgba (cr, 1, 1, 1, 0.2); + } + + cairo_move_to (cr, 0, y1 + arc_radius); + cairo_arc (cr, _width, y1 + arc_radius, arc_radius, M_PI, 3 * M_PI / 2); + cairo_line_to (cr, _width, y2); + cairo_arc (cr, _width, y2 - arc_radius, arc_radius, M_PI / 2, M_PI); + cairo_line_to (cr, 0, y1 + arc_radius); + cairo_fill (cr); + + pair<string, double> const f = fit_to_pixels (cr, g->name(), y2 - y1 - arc_radius * 2); + + cairo_text_extents_t ext; + cairo_text_extents (cr, g->name().c_str(), &ext); + + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_move_to (cr, _width - ext.height / 2, y1 + (f.second + y2 - y1) / 2); + cairo_save (cr); + cairo_rotate (cr, - M_PI / 2); + cairo_show_text (cr, f.first.c_str()); + cairo_restore (cr); +} + +bool +EditorGroupTabs::on_button_press_event (GdkEventButton* ev) +{ + int32_t y = 0; + cout << y << "\n"; + Editor::TrackViewList::iterator i = _editor->track_views.begin(); + while (y < ev->y && i != _editor->track_views.end()) { + y += (*i)->effective_height (); + if (y < ev->y) { + cout << "skip past " << (*i)->name() << "\n"; + ++i; + } + } + + if (i == _editor->track_views.end()) { + return false; + } + + RouteGroup* g = (*i)->edit_group (); + if (g) { + g->set_active (!g->is_active (), this); + } + + return true; +} |