diff options
| -rw-r--r-- | gtk2_ardour/cairo_widget.cc | 88 | ||||
| -rw-r--r-- | gtk2_ardour/cairo_widget.h | 27 | ||||
| -rw-r--r-- | gtk2_ardour/editor_group_tabs.cc | 125 | ||||
| -rw-r--r-- | gtk2_ardour/editor_group_tabs.h | 19 |
4 files changed, 259 insertions, 0 deletions
diff --git a/gtk2_ardour/cairo_widget.cc b/gtk2_ardour/cairo_widget.cc new file mode 100644 index 0000000000..f594dd51e1 --- /dev/null +++ b/gtk2_ardour/cairo_widget.cc @@ -0,0 +1,88 @@ +#include "cairo_widget.h" +#include "gui_thread.h" + +CairoWidget::CairoWidget () + : _width (1), + _height (1), + _dirty (true), + _pixmap (0) +{ + +} + +CairoWidget::~CairoWidget () +{ + if (_pixmap) { + gdk_pixmap_unref (_pixmap); + } +} + +bool +CairoWidget::on_expose_event (GdkEventExpose *event) +{ + Gdk::Rectangle const exposure ( + event->area.x, event->area.y, event->area.width, event->area.height + ); + + Gdk::Rectangle r = exposure; + Gdk::Rectangle content (0, 0, _width, _height); + bool intersects; + r.intersect (content, intersects); + + if (intersects) { + + GdkDrawable* drawable = get_window()->gobj (); + + if (_dirty) { + + if (_pixmap) { + gdk_pixmap_unref (_pixmap); + } + + _pixmap = gdk_pixmap_new (drawable, _width, _height, -1); + + cairo_t* cr = gdk_cairo_create (_pixmap); + render (cr); + cairo_destroy (cr); + + _dirty = false; + } + + gdk_draw_drawable ( + drawable, + get_style()->get_fg_gc (Gtk::STATE_NORMAL)->gobj(), + _pixmap, + r.get_x(), + r.get_y(), + r.get_x(), + r.get_y(), + r.get_width(), + r.get_height() + ); + } + + return true; +} + +void +CairoWidget::set_dirty () +{ + ENSURE_GUI_THREAD (mem_fun (*this, &CairoWidget::set_dirty)); + + _dirty = true; + queue_draw (); +} + +/** Handle a size allocation. + * @param alloc GTK allocation. + */ +void +CairoWidget::on_size_allocate (Gtk::Allocation& alloc) +{ + Gtk::EventBox::on_size_allocate (alloc); + + _width = alloc.get_width (); + _height = alloc.get_height (); + + set_dirty (); +} diff --git a/gtk2_ardour/cairo_widget.h b/gtk2_ardour/cairo_widget.h new file mode 100644 index 0000000000..99f0d5d8c3 --- /dev/null +++ b/gtk2_ardour/cairo_widget.h @@ -0,0 +1,27 @@ +#ifndef __gtk2_ardour_cairo_widget_h__ +#define __gtk2_ardour_cairo_widget_h__ + +#include <gtkmm/eventbox.h> + +class CairoWidget : public Gtk::EventBox +{ +public: + CairoWidget (); + virtual ~CairoWidget (); + + void set_dirty (); + +protected: + virtual void render (cairo_t *) = 0; + virtual bool on_expose_event (GdkEventExpose *); + void on_size_allocate (Gtk::Allocation &); + + int _width; ///< pixmap width + int _height; ///< pixmap height + +private: + bool _dirty; + GdkPixmap* _pixmap; +}; + +#endif 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; +} diff --git a/gtk2_ardour/editor_group_tabs.h b/gtk2_ardour/editor_group_tabs.h new file mode 100644 index 0000000000..7ca75e44ae --- /dev/null +++ b/gtk2_ardour/editor_group_tabs.h @@ -0,0 +1,19 @@ +#include "cairo_widget.h" + +class Editor; + +class EditorGroupTabs : public CairoWidget +{ +public: + EditorGroupTabs (Editor *); + + void set_session (ARDOUR::Session *); + +private: + void on_size_request (Gtk::Requisition *); + bool on_button_press_event (GdkEventButton *); + void render (cairo_t *); + void draw_group (cairo_t *, int32_t, int32_t, ARDOUR::RouteGroup* , Gdk::Color const &); + + Editor* _editor; +}; |