void render (Rect const &, Cairo::RefPtr<Cairo::Context> const &) const;
+ void prepare_for_render (Rect const &) const;
+
+ gint64 get_last_render_start_timestamp () const { return _last_render_start_timestamp; }
+
+ gint64 get_microseconds_since_render_start () const;
+
/** @return root group */
Item* root () {
return &_root;
}
- void set_background_color (ArdourCanvas::Color);
- ArdourCanvas::Color background_color() const { return _bg_color; }
+ void set_background_color (Gtkmm2ext::Color);
+ Gtkmm2ext::Color background_color() const { return _bg_color; }
/** Called when an item is being destroyed */
virtual void item_going_away (Item *, Rect) {}
- void item_shown_or_hidden (Item *);
+ virtual void item_shown_or_hidden (Item *);
void item_visual_property_changed (Item*);
void item_changed (Item *, Rect);
void item_moved (Item *, Rect);
- Duple canvas_to_window (Duple const&, bool rounded = true) const;
- Duple window_to_canvas (Duple const&) const;
+ Duple canvas_to_window (Duple const&, bool rounded = true) const;
+ Duple window_to_canvas (Duple const&) const;
- void canvas_to_window (Coord cx, Coord cy, Coord& wx, Coord& wy) {
+ void canvas_to_window (Coord cx, Coord cy, Coord& wx, Coord& wy) {
Duple d = canvas_to_window (Duple (cx, cy));
wx = d.x;
wy = d.y;
- }
+ }
- void window_to_canvas (Coord wx, Coord wy, Coord& cx, Coord& cy) {
+ void window_to_canvas (Coord wx, Coord wy, Coord& cx, Coord& cy) {
Duple d = window_to_canvas (Duple (wx, wy));
cx = d.x;
cy = d.y;
- }
+ }
- void scroll_to (Coord x, Coord y);
+ void scroll_to (Coord x, Coord y);
void add_scroller (ScrollGroup& i);
- virtual Rect visible_area () const = 0;
- virtual Coord width () const = 0;
- virtual Coord height () const = 0;
+ virtual Rect visible_area () const = 0;
+ virtual Coord width () const = 0;
+ virtual Coord height () const = 0;
/** Store the coordinates of the mouse pointer in window coordinates in
@param winpos. Return true if the position was within the window,
*/
sigc::signal<void,Duple const&> MouseMotion;
+ sigc::signal<void> PreRender;
+
/** Ensures that the position given by @param winpos (in window
coordinates) is within the current window area, possibly reduced by
@param border.
*/
Duple clamp_to_window (Duple const& winpos, Duple border = Duple());
- void zoomed();
+ void zoomed();
- std::string indent() const;
- std::string render_indent() const;
- void dump (std::ostream&) const;
+ std::string indent() const;
+ std::string render_indent() const;
+ void dump (std::ostream&) const;
/** Ask the canvas to pick the current item again, and generate
an enter event for it.
virtual Glib::RefPtr<Pango::Context> get_pango_context() = 0;
- protected:
- Root _root;
- Color _bg_color;
+protected:
+ Root _root;
+ Gtkmm2ext::Color _bg_color;
+
+ mutable gint64 _last_render_start_timestamp;
static uint32_t tooltip_timeout_msecs;
void queue_draw_item_area (Item *, Rect);
- virtual void pick_current_item (int state) = 0;
- virtual void pick_current_item (Duple const &, int state) = 0;
+ virtual void pick_current_item (int state) = 0;
+ virtual void pick_current_item (Duple const &, int state) = 0;
std::list<ScrollGroup*> scrollers;
};
GtkCanvas ();
~GtkCanvas () { _in_dtor = true ; }
+ void use_nsglview ();
+
void request_redraw (Rect const &);
void request_size (Duple);
void grab (Item *);
void start_tooltip_timeout (Item*);
void stop_tooltip_timeout ();
+ void queue_draw ();
+ void queue_draw_area (int x, int y, int width, int height);
+
Glib::RefPtr<Pango::Context> get_pango_context();
void render (Cairo::RefPtr<Cairo::Context> const & ctx, cairo_rectangle_t* r)
Canvas::render (rect, ctx);
}
+ void prepare_for_render () const;
+
uint32_t background_color() { return Canvas::background_color (); }
- protected:
+protected:
void on_size_allocate (Gtk::Allocation&);
bool on_scroll_event (GdkEventScroll *);
bool on_expose_event (GdkEventExpose *);
bool button_handler (GdkEventButton *);
bool motion_notify_handler (GdkEventMotion *);
- bool deliver_event (GdkEvent *);
- void deliver_enter_leave (Duple const & point, int state);
+ bool deliver_event (GdkEvent *);
+ void deliver_enter_leave (Duple const & point, int state);
- void pick_current_item (int state);
- void pick_current_item (Duple const &, int state);
+ void pick_current_item (int state);
+ void pick_current_item (Duple const &, int state);
private:
void item_going_away (Item *, Rect);
+ void item_shown_or_hidden (Item *);
bool send_leave_event (Item const *, double, double) const;
Cairo::RefPtr<Cairo::Surface> canvas_image;
- /** Item currently chosen for event delivery based on pointer position */
- Item * _current_item;
- /** Item pending as _current_item */
- Item * _new_current_item;
+ /** Item currently chosen for event delivery based on pointer position */
+ Item * _current_item;
+ /** Item pending as _current_item */
+ Item * _new_current_item;
/** the item that is currently grabbed, or 0 */
Item * _grabbed_item;
/** the item that currently has key focus or 0 */
private:
/** our GtkCanvas */
GtkCanvas _canvas;
- Gtk::Adjustment& hadjustment;
- Gtk::Adjustment& vadjustment;
+ Gtk::Adjustment& hadjustment;
+ Gtk::Adjustment& vadjustment;
- void scrolled ();
+ void scrolled ();
};
}