#include "pbd/signals.h"
-#include "canvas/visibility.h"
+#include "gtkmm2ext/cairo_canvas.h"
+#include "canvas/visibility.h"
#include "canvas/root_group.h"
namespace Gtk {
class Label;
}
+namespace Pango {
+ class Context;
+}
+
namespace ArdourCanvas
{
struct Rect;
* of screen pixels, with an origin of (0, 0) at the top left. x increases
* rightwards and y increases downwards.
*/
-
+
class LIBCANVAS_API Canvas
{
public:
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 *, boost::optional<Rect>) {}
- void item_shown_or_hidden (Item *);
+ virtual void item_going_away (Item *, Rect) {}
+ virtual void item_shown_or_hidden (Item *);
void item_visual_property_changed (Item*);
- void item_changed (Item *, boost::optional<Rect>);
- void item_moved (Item *, boost::optional<Rect>);
+ 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();
-
- std::string indent() const;
- std::string render_indent() const;
- void dump (std::ostream&) const;
+ void zoomed();
+
+ 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.
/** Set the timeout used to display tooltips, in milliseconds
*/
static void set_tooltip_timeout (uint32_t msecs);
-
+
+ virtual Glib::RefPtr<Pango::Context> get_pango_context() = 0;
+
protected:
- Root _root;
- Color _bg_color;
+ 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;
};
/** A canvas which renders onto a GTK EventBox */
-class LIBCANVAS_API GtkCanvas : public Canvas, public Gtk::EventBox
+class LIBCANVAS_API GtkCanvas : public Canvas, public Gtk::EventBox, public Gtkmm2ext::CairoCanvas
{
public:
GtkCanvas ();
+ ~GtkCanvas () { _in_dtor = true ; }
+
+ void use_nsglview ();
void request_redraw (Rect const &);
void request_size (Duple);
bool get_mouse_position (Duple& winpos) const;
+ void set_single_exposure (bool s) { _single_exposure = s; }
+ bool single_exposure () { return _single_exposure; }
+
void re_enter ();
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)
+ {
+ ArdourCanvas::Rect rect (r->x, r->y, r->width + r->x, r->height + r->y);
+ Canvas::render (rect, ctx);
+ }
+
+ void prepare_for_render () const;
+
+ uint32_t background_color() { return Canvas::background_color (); }
+
protected:
void on_size_allocate (Gtk::Allocation&);
bool on_scroll_event (GdkEventScroll *);
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton* event);
bool on_motion_notify_event (GdkEventMotion *);
- bool on_enter_notify_event (GdkEventCrossing*);
- bool on_leave_notify_event (GdkEventCrossing*);
-
+ bool on_enter_notify_event (GdkEventCrossing*);
+ bool on_leave_notify_event (GdkEventCrossing*);
+ void on_map();
+ void on_unmap();
+
+ void on_realize ();
+
bool button_handler (GdkEventButton *);
bool motion_notify_handler (GdkEventMotion *);
- 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);
+ 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);
private:
- void item_going_away (Item *, boost::optional<Rect>);
+ 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 */
Item * _focused_item;
-
+
bool _single_exposure;
sigc::connection tooltip_timeout_connection;
bool show_tooltip ();
void hide_tooltip ();
bool really_start_tooltip_timeout ();
+
+ bool _in_dtor;
+
+ void* _nsglview;
};
/** A GTK::Alignment with a GtkCanvas inside it plus some Gtk::Adjustments for
- * scrolling.
+ * scrolling.
*
* This provides a GtkCanvas that can be scrolled. It does NOT implement the
* Gtk::Scrollable interface.
private:
/** our GtkCanvas */
GtkCanvas _canvas;
- Gtk::Adjustment& hadjustment;
- Gtk::Adjustment& vadjustment;
+ Gtk::Adjustment& hadjustment;
+ Gtk::Adjustment& vadjustment;
- void scrolled ();
+ void scrolled ();
};
}
projects / ardour.git / blobdiff