*/
+#if !defined USE_CAIRO_IMAGE_SURFACE && !defined NDEBUG
+#define OPTIONAL_CAIRO_IMAGE_SURFACE
+#endif
+
/** @file canvas/canvas.cc
* @brief Implementation of the main canvas classes.
*/
#include <gtkmm/label.h>
#include <gtkmm/window.h>
+#include "gtkmm2ext/persistent_tooltip.h"
+
#include "pbd/compose.h"
#include "pbd/stacktrace.h"
#include "canvas/canvas.h"
+#include "gtkmm2ext/colors.h"
#include "canvas/debug.h"
#include "canvas/line.h"
#include "canvas/scroll_group.h"
+#ifdef __APPLE__
+#include <gdk/gdk.h>
+#include "gtkmm2ext/nsglview.h"
+#endif
+
using namespace std;
using namespace ArdourCanvas;
/** Construct a new Canvas */
Canvas::Canvas ()
: _root (this)
+ , _bg_color (Gtkmm2ext::rgba_to_color (0, 1.0, 0.0, 1.0))
+ , _last_render_start_timestamp(0)
{
set_epoch ();
}
(*i)->scroll_to (Duple (x, y));
}
- pick_current_item (0); // no current mouse position
+ pick_current_item (0); // no current mouse position
}
void
void
Canvas::render (Rect const & area, Cairo::RefPtr<Cairo::Context> const & context) const
{
+ PreRender (); // emit signal
+
+ _last_render_start_timestamp = g_get_monotonic_time();
+
#ifdef CANVAS_DEBUG
if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) {
cerr << this << " RENDER: " << area << endl;
#endif
render_count = 0;
-
- boost::optional<Rect> root_bbox = _root.bounding_box();
+
+ Rect root_bbox = _root.bounding_box();
if (!root_bbox) {
/* the root has no bounding box, so there's nothing to render */
return;
}
- boost::optional<Rect> draw = root_bbox->intersection (area);
+ Rect draw = root_bbox.intersection (area);
if (draw) {
-
+
/* there's a common area between the root and the requested
area, so render it.
*/
- _root.render (*draw, context);
+ _root.render (draw, context);
#if defined CANVAS_DEBUG && !PLATFORM_WINDOWS
if (getenv ("CANVAS_HARLEQUIN_DEBUGGING")) {
double r = (random() % 65536) /65536.0;
double g = (random() % 65536) /65536.0;
double b = (random() % 65536) /65536.0;
- context->rectangle (draw->x0, draw->y0, draw->x1 - draw->x0, draw->y1 - draw->y0);
+ context->rectangle (draw.x0, draw.y0, draw.x1 - draw.x0, draw.y1 - draw.y0);
context->set_source_rgba (r, g, b, 0.25);
context->fill ();
}
}
+void
+Canvas::prepare_for_render (Rect const & area) const
+{
+ Rect root_bbox = _root.bounding_box();
+ if (!root_bbox) {
+ /* the root has no bounding box, so there's nothing to render */
+ return;
+ }
+
+ Rect draw = root_bbox.intersection (area);
+
+ if (draw) {
+ _root.prepare_for_render (draw);
+ }
+}
+
+gint64
+Canvas::get_microseconds_since_render_start () const
+{
+ gint64 timestamp = g_get_monotonic_time();
+
+ if (_last_render_start_timestamp == 0 || timestamp <= _last_render_start_timestamp) {
+ return 0;
+ }
+
+ return timestamp - _last_render_start_timestamp;
+}
+
ostream&
operator<< (ostream& o, Canvas& c)
{
std::string
Canvas::indent() const
-{
+{
string s;
for (int n = 0; n < ArdourCanvas::dump_depth; ++n) {
std::string
Canvas::render_indent() const
-{
+{
string s;
for (int n = 0; n < ArdourCanvas::render_depth; ++n) {
{
dump_depth = 0;
_root.dump (o);
-}
+}
/** Called when an item has been shown or hidden.
* @param item Item that has been shown or hidden.
void
Canvas::item_shown_or_hidden (Item* item)
{
- boost::optional<Rect> bbox = item->bounding_box ();
+ Rect bbox = item->bounding_box ();
if (bbox) {
- if (item->item_to_window (*bbox).intersection (visible_area ())) {
- queue_draw_item_area (item, bbox.get ());
+ if (item->item_to_window (bbox).intersection (visible_area ())) {
+ queue_draw_item_area (item, bbox);
}
}
}
void
Canvas::item_visual_property_changed (Item* item)
{
- boost::optional<Rect> bbox = item->bounding_box ();
+ Rect bbox = item->bounding_box ();
if (bbox) {
- if (item->item_to_window (*bbox).intersection (visible_area ())) {
- queue_draw_item_area (item, bbox.get ());
+ if (item->item_to_window (bbox).intersection (visible_area ())) {
+ queue_draw_item_area (item, bbox);
}
}
}
* in the item's coordinates.
*/
void
-Canvas::item_changed (Item* item, boost::optional<Rect> pre_change_bounding_box)
+Canvas::item_changed (Item* item, Rect pre_change_bounding_box)
{
-
Rect window_bbox = visible_area ();
if (pre_change_bounding_box) {
-
- if (item->item_to_window (*pre_change_bounding_box).intersection (window_bbox)) {
+ if (item->item_to_window (pre_change_bounding_box).intersection (window_bbox)) {
/* request a redraw of the item's old bounding box */
- queue_draw_item_area (item, pre_change_bounding_box.get ());
+ queue_draw_item_area (item, pre_change_bounding_box);
}
}
- boost::optional<Rect> post_change_bounding_box = item->bounding_box ();
+ Rect post_change_bounding_box = item->bounding_box ();
+
if (post_change_bounding_box) {
-
- if (item->item_to_window (*post_change_bounding_box).intersection (window_bbox)) {
+ Rect const window_intersection =
+ item->item_to_window (post_change_bounding_box).intersection (window_bbox);
+
+ if (window_intersection) {
/* request a redraw of the item's new bounding box */
- queue_draw_item_area (item, post_change_bounding_box.get ());
+ queue_draw_item_area (item, post_change_bounding_box);
+
+ // Allow item to do any work necessary to prepare for being rendered.
+ item->prepare_for_render (window_intersection);
+ } else {
+ // No intersection with visible window area
}
}
}
Duple
Canvas::window_to_canvas (Duple const & d) const
{
- /* Find the scroll group that covers d (a window coordinate). Scroll groups are only allowed
- * as children of the root group, so we just scan its first level
- * children and see what we can find.
- */
-
- std::list<Item*> const& root_children (_root.items());
+ ScrollGroup* best_group = 0;
ScrollGroup* sg = 0;
/* if the coordinates are negative, clamp to zero and find the item
in_window.y = 0;
}
- for (std::list<Item*>::const_iterator i = root_children.begin(); i != root_children.end(); ++i) {
- if (((sg = dynamic_cast<ScrollGroup*>(*i)) != 0) && sg->covers_window (in_window)) {
- break;
+ for (list<ScrollGroup*>::const_iterator s = scrollers.begin(); s != scrollers.end(); ++s) {
+
+ if ((*s)->covers_window (in_window)) {
+ sg = *s;
+
+ /* XXX January 22nd 2015: leaving this in place for now
+ * but I think it fixes a bug that really should be
+ * fixed in a different way (and will be) by my next
+ * commit. But it may still be relevant.
+ */
+
+ /* If scroll groups overlap, choose the one with the highest sensitivity,
+ that is, choose an HV scroll group over an H or V
+ only group.
+ */
+ if (!best_group || sg->sensitivity() > best_group->sensitivity()) {
+ best_group = sg;
+ if (sg->sensitivity() == (ScrollGroup::ScrollsVertically | ScrollGroup::ScrollsHorizontally)) {
+ /* Can't do any better than this. */
+ break;
+ }
+ }
}
}
- if (sg) {
- return d.translate (sg->scroll_offset());
+ if (best_group) {
+ return d.translate (best_group->scroll_offset());
}
return d;
break;
}
}
-
if (sg) {
wd = d.translate (-sg->scroll_offset());
* the move, in its parent's coordinates.
*/
void
-Canvas::item_moved (Item* item, boost::optional<Rect> pre_change_parent_bounding_box)
+Canvas::item_moved (Item* item, Rect pre_change_parent_bounding_box)
{
if (pre_change_parent_bounding_box) {
/* request a redraw of where the item used to be. The box has
* invalidation area. If we use the parent (which has not
* moved, then this will work.
*/
- queue_draw_item_area (item->parent(), pre_change_parent_bounding_box.get ());
+ queue_draw_item_area (item->parent(), pre_change_parent_bounding_box);
}
- boost::optional<Rect> post_change_bounding_box = item->bounding_box ();
+ Rect post_change_bounding_box = item->bounding_box ();
if (post_change_bounding_box) {
/* request a redraw of where the item now is */
- queue_draw_item_area (item, post_change_bounding_box.get ());
+ queue_draw_item_area (item, post_change_bounding_box);
}
}
tooltip_timeout_msecs = msecs;
}
+void
+Canvas::set_background_color (Gtkmm2ext::Color c)
+{
+ _bg_color = c;
+
+ Rect r = _root.bounding_box();
+
+ if (r) {
+ request_redraw (_root.item_to_window (r));
+ }
+}
+
void
GtkCanvas::re_enter ()
{
, _new_current_item (0)
, _grabbed_item (0)
, _focused_item (0)
+ , _single_exposure (1)
, current_tooltip_item (0)
, tooltip_window (0)
+ , _in_dtor (false)
+ , _nsglview (0)
{
/* these are the events we want to know about */
add_events (Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::POINTER_MOTION_MASK |
- Gdk::SCROLL_MASK | Gdk::ENTER_NOTIFY_MASK | Gdk::LEAVE_NOTIFY_MASK);
+ Gdk::SCROLL_MASK | Gdk::ENTER_NOTIFY_MASK | Gdk::LEAVE_NOTIFY_MASK |
+ Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
+}
+
+void
+GtkCanvas::use_nsglview ()
+{
+ assert (!_nsglview);
+ assert (!is_realized());
+#ifdef ARDOUR_CANVAS_NSVIEW_TAG // patched gdkquartz.h
+ _nsglview = Gtkmm2ext::nsglview_create (this);
+#endif
}
void
* added or removed, so we have no coordinates to work from as is the
* case with a motion event. Find out where the mouse is and use that.
*/
-
+
Glib::RefPtr<const Gdk::Window> pointer_window = Gdk::Display::get_default()->get_window_at_pointer (x, y);
if (pointer_window != get_window()) {
top, but we're going to reverse that for within_items so that its
first item is the upper-most item that can be chosen as _current_item.
*/
-
+
vector<Item const *>::const_iterator i;
list<Item const *> within_items;
DEBUG_TRACE (PBD::DEBUG::CanvasEnterLeave, string_compose ("CURRENT ITEM %1/%2\n", _new_current_item->whatami(), _current_item->name));
return;
}
-
+
_new_current_item = const_cast<Item*> (within_items.front());
}
/* Events delivered to canvas items are expected to be in canvas
* coordinates but @param point is in window coordinates.
*/
-
+
Duple c = window_to_canvas (point);
enter_event.x = c.x;
enter_event.y = c.y;
leave_event.type = GDK_LEAVE_NOTIFY;
Item* i;
- GdkNotifyType enter_detail;
- GdkNotifyType leave_detail;
+ GdkNotifyType enter_detail = GDK_NOTIFY_UNKNOWN;
+ GdkNotifyType leave_detail = GDK_NOTIFY_UNKNOWN;
vector<Item*> items_to_leave_virtual;
vector<Item*> items_to_enter_virtual;
enter_detail = GDK_NOTIFY_UNKNOWN;
/* no current item, so also send virtual enter events to the
- * entire heirarchy for the new item
+ * entire heirarchy for the new item
*/
for (i = _new_current_item->parent(); i ; i = i->parent()) {
} else if (_current_item->is_descendant_of (*_new_current_item)) {
/* move from descendant to ancestor (X: "_current_item is an
- * inferior ("child") of _new_current_item")
+ * inferior ("child") of _new_current_item")
*
* Deliver "virtual" leave notifications to all items in the
* heirarchy between current and new_current.
*/
-
+
for (i = _current_item->parent(); i && i != _new_current_item; i = i->parent()) {
items_to_leave_virtual.push_back (i);
}
enter_detail = GDK_NOTIFY_NONLINEAR;
leave_detail = GDK_NOTIFY_NONLINEAR;
}
-
+
if (_current_item && !_current_item->ignore_events ()) {
leave_event.detail = leave_detail;
/* run through the items from child to parent, until one claims the event */
Item* item = const_cast<Item*> (event_item);
-
+
while (item) {
Item* parent = item->parent ();
- if (!item->ignore_events () &&
+ if (!item->ignore_events () &&
item->Event (event)) {
/* this item has just handled the event */
DEBUG_TRACE (
PBD::DEBUG::CanvasEvents,
string_compose ("canvas event handled by %1 %2\n", item->whatami(), item->name.empty() ? "[unknown]" : item->name)
);
-
+
return true;
}
-
+
DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas event %3 left unhandled by %1 %2\n", item->whatami(), item->name.empty() ? "[unknown]" : item->name, event_type_string (event->type)));
if ((item = parent) == 0) {
return false;
}
+void
+GtkCanvas::item_shown_or_hidden (Item* item)
+{
+ if (item == current_tooltip_item) {
+ stop_tooltip_timeout ();
+ }
+ Canvas::item_shown_or_hidden (item);
+}
+
/** Called when an item is being destroyed.
* @param item Item being destroyed.
* @param bounding_box Last known bounding box of the item.
*/
void
-GtkCanvas::item_going_away (Item* item, boost::optional<Rect> bounding_box)
+GtkCanvas::item_going_away (Item* item, Rect bounding_box)
{
if (bounding_box) {
- queue_draw_item_area (item, bounding_box.get ());
+ queue_draw_item_area (item, bounding_box);
}
-
+
if (_new_current_item == item) {
_new_current_item = 0;
}
}
if (_current_item == item) {
- /* no need to send a leave event to this item, since it is going away
+ /* no need to send a leave event to this item, since it is going away
*/
_current_item = 0;
pick_current_item (0); // no mouse state
}
-
+
+}
+
+void
+GtkCanvas::on_realize ()
+{
+ Gtk::EventBox::on_realize();
+#ifdef __APPLE__
+ if (_nsglview) {
+ Gtkmm2ext::nsglview_overlay (_nsglview, get_window()->gobj());
+ }
+#endif
}
void
GtkCanvas::on_size_allocate (Gtk::Allocation& a)
{
EventBox::on_size_allocate (a);
-#ifdef USE_CAIRO_IMAGE_SURFACE
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+ if (getenv("ARDOUR_IMAGE_SURFACE")) {
+#endif
+#if defined USE_CAIRO_IMAGE_SURFACE || defined OPTIONAL_CAIRO_IMAGE_SURFACE
/* allocate an image surface as large as the canvas itself */
canvas_image.clear ();
canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, a.get_width(), a.get_height());
#endif
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+ }
+#endif
+
+#ifdef __APPLE__
+ if (_nsglview) {
+ gint xx, yy;
+ gtk_widget_translate_coordinates(
+ GTK_WIDGET(gobj()),
+ GTK_WIDGET(get_toplevel()->gobj()),
+ 0, 0, &xx, &yy);
+ Gtkmm2ext::nsglview_resize (_nsglview, xx, yy, a.get_width(), a.get_height());
+ }
+#endif
+
}
/** Handler for GDK expose events.
bool
GtkCanvas::on_expose_event (GdkEventExpose* ev)
{
-#ifdef USE_CAIRO_IMAGE_SURFACE
- if (!canvas_image) {
- canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
+ if (_in_dtor) {
+ return true;
}
+#ifdef __APPLE__
+ if (_nsglview) {
+ return true;
+ }
+#endif
- {
- /* scope for image_context */
- Cairo::RefPtr<Cairo::Context> image_context = Cairo::Context::create (canvas_image);
+#ifdef CANVAS_PROFILE
+ const int64_t start = g_get_monotonic_time ();
+#endif
- /* clear expose area to transparent */
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+ Cairo::RefPtr<Cairo::Context> draw_context;
+ Cairo::RefPtr<Cairo::Context> window_context;
+ if (getenv("ARDOUR_IMAGE_SURFACE")) {
+ if (!canvas_image) {
+ canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
+ }
+ draw_context = Cairo::Context::create (canvas_image);
+ window_context = get_window()->create_cairo_context ();
+ } else {
+ draw_context = get_window()->create_cairo_context ();
+ }
+#elif defined USE_CAIRO_IMAGE_SURFACE
+ if (!canvas_image) {
+ canvas_image = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, get_width(), get_height());
+ }
+ Cairo::RefPtr<Cairo::Context> draw_context = Cairo::Context::create (canvas_image);
+ Cairo::RefPtr<Cairo::Context> window_context = get_window()->create_cairo_context ();
+#else
+ Cairo::RefPtr<Cairo::Context> draw_context = get_window()->create_cairo_context ();
+#endif
- image_context->save ();
- image_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
- image_context->clip ();
- image_context->set_operator (Cairo::OPERATOR_CLEAR);
- image_context->paint ();
- image_context->restore ();
+ draw_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
+ draw_context->clip();
- /* render into image surface */
+#ifdef __APPLE__
+ /* group calls cairo_quartz_surface_create() which
+ * effectively uses a CGBitmapContext + image-surface
+ *
+ * This avoids expensive argb32_image_mark_image() during drawing.
+ * Although the final paint() operation still takes the slow path
+ * through image_mark_image instead of ColorMaskCopyARGB888_sse :(
+ *
+ * profiling indicates a speed up of factor 2. (~ 5-10ms render time,
+ * instead of 10-20ms, which is still slow compared to XCB and win32 surfaces (~0.2 ms)
+ *
+ * Fixing this for good likely involves changes to GdkQuartzWindow, GdkQuartzView
+ */
+ draw_context->push_group ();
+#endif
- render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), image_context);
+ /* draw background color */
+ draw_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
+ Gtkmm2ext::set_source_rgba (draw_context, _bg_color);
+ draw_context->fill ();
- /* image surface is flushed when image_context goes out of scope */
- }
+ /* render canvas */
+ if ( _single_exposure ) {
- /* now blit our private surface back to the GDK one */
+ Canvas::render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context);
- Cairo::RefPtr<Cairo::Context> cairo_context = get_window()->create_cairo_context ();
+ } else {
+ GdkRectangle* rects;
+ gint nrects;
- cairo_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
- cairo_context->clip ();
- cairo_context->set_source (canvas_image, 0, 0);
- cairo_context->set_operator (Cairo::OPERATOR_SOURCE);
- cairo_context->paint ();
+ gdk_region_get_rectangles (ev->region, &rects, &nrects);
+ for (gint n = 0; n < nrects; ++n) {
+ draw_context->set_identity_matrix(); //reset the cairo matrix, just in case someone left it transformed after drawing ( cough )
+ Canvas::render (Rect (rects[n].x, rects[n].y, rects[n].x + rects[n].width, rects[n].y + rects[n].height), draw_context);
+ }
+ g_free (rects);
+ }
-#else
+#ifdef __APPLE__
+ draw_context->pop_group_to_source ();
+ draw_context->paint ();
+#endif
- Cairo::RefPtr<Cairo::Context> cairo_context = get_window()->create_cairo_context ();
- render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), cairo_context);
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+ if (getenv("ARDOUR_IMAGE_SURFACE")) {
+#endif
+#if defined USE_CAIRO_IMAGE_SURFACE || defined OPTIONAL_CAIRO_IMAGE_SURFACE
+ /* now blit our private surface back to the GDK one */
+
+ window_context->rectangle (ev->area.x, ev->area.y, ev->area.width, ev->area.height);
+ window_context->clip ();
+ window_context->set_source (canvas_image, 0, 0);
+ window_context->set_operator (Cairo::OPERATOR_SOURCE);
+ window_context->paint ();
+#endif
+#ifdef OPTIONAL_CAIRO_IMAGE_SURFACE
+ }
+#endif
+#ifdef CANVAS_PROFILE
+ const int64_t end = g_get_monotonic_time ();
+ const int64_t elapsed = end - start;
+ printf ("GtkCanvas::on_expose_event %f ms\n", elapsed / 1000.f);
#endif
return true;
}
+void
+GtkCanvas::prepare_for_render () const
+{
+ Rect window_bbox = visible_area ();
+ Canvas::prepare_for_render (window_bbox);
+}
+
/** Handler for GDK scroll events.
* @param ev Event.
* @return true if the event was handled.
GdkEvent copy = *((GdkEvent*)ev);
Duple winpos = Duple (ev->x, ev->y);
Duple where = window_to_canvas (winpos);
-
+
pick_current_item (winpos, ev->state);
copy.button.x = where.x;
copy.button.y = where.y;
-
+
/* Coordinates in the event will be canvas coordinates, correctly adjusted
for scroll if this GtkCanvas is in a GtkCanvasViewport.
*/
return deliver_event (reinterpret_cast<GdkEvent*>(©));
}
+/** Handler for GDK key press events.
+ * @param ev Event.
+ * @return true if the event was handled.
+ */
+bool
+GtkCanvas::on_key_press_event (GdkEventKey* ev)
+{
+ DEBUG_TRACE (PBD::DEBUG::CanvasEvents, "canvas key press\n");
+ return deliver_event (reinterpret_cast<GdkEvent*>(ev));
+}
+
+/** Handler for GDK key release events.
+ * @param ev Event.
+ * @return true if the event was handled.
+ */
+bool
+GtkCanvas::on_key_release_event (GdkEventKey* ev)
+{
+ DEBUG_TRACE (PBD::DEBUG::CanvasEvents, "canvas key release\n");
+ return deliver_event (reinterpret_cast<GdkEvent*>(ev));
+}
+
/** Handler for GDK button press events.
* @param ev Event.
* @return true if the event was handled.
GdkEvent copy = *((GdkEvent*)ev);
Duple winpos = Duple (ev->x, ev->y);
Duple where = window_to_canvas (winpos);
-
+
pick_current_item (winpos, ev->state);
copy.button.x = where.x;
copy.button.y = where.y;
-
+
/* Coordinates in the event will be canvas coordinates, correctly adjusted
for scroll if this GtkCanvas is in a GtkCanvasViewport.
*/
- DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas button press @ %1, %2 => %3\n", ev->x, ev->y, where));
+ DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas button press %1 @ %2, %3 => %4\n", ev->button, ev->x, ev->y, where));
return deliver_event (reinterpret_cast<GdkEvent*>(©));
}
*/
bool
GtkCanvas::on_button_release_event (GdkEventButton* ev)
-{
+{
/* translate event coordinates from window to canvas */
GdkEvent copy = *((GdkEvent*)ev);
Duple winpos = Duple (ev->x, ev->y);
Duple where = window_to_canvas (winpos);
-
+
pick_current_item (winpos, ev->state);
copy.button.x = where.x;
for scroll if this GtkCanvas is in a GtkCanvasViewport.
*/
- DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas button release @ %1, %2 => %3\n", ev->x, ev->y, where));
+ DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas button release %1 @ %2, %3 => %4\n", ev->button, ev->x, ev->y, where));
return deliver_event (reinterpret_cast<GdkEvent*>(©));
}
copy.motion.x = where.x;
copy.motion.y = where.y;
- /* Coordinates in "copy" will be canvas coordinates,
+ /* Coordinates in "copy" will be canvas coordinates,
*/
DEBUG_TRACE (PBD::DEBUG::CanvasEvents, string_compose ("canvas motion @ %1, %2 canvas @ %3, %4\n", ev->x, ev->y, copy.motion.x, copy.motion.y));
return true;
}
+void
+GtkCanvas::on_map ()
+{
+ Gtk::EventBox::on_map();
+#ifdef __APPLE__
+ if (_nsglview) {
+ Gtkmm2ext::nsglview_set_visible (_nsglview, true);
+ Gtk::Allocation a = get_allocation();
+ gint xx, yy;
+ gtk_widget_translate_coordinates(
+ GTK_WIDGET(gobj()),
+ GTK_WIDGET(get_toplevel()->gobj()),
+ 0, 0, &xx, &yy);
+ Gtkmm2ext::nsglview_resize (_nsglview, xx, yy, a.get_width(), a.get_height());
+ }
+#endif
+}
+
+void
+GtkCanvas::on_unmap ()
+{
+ stop_tooltip_timeout ();
+ Gtk::EventBox::on_unmap();
+#ifdef __APPLE__
+ if (_nsglview) {
+ Gtkmm2ext::nsglview_set_visible (_nsglview, false);
+ }
+#endif
+}
+
+void
+GtkCanvas::queue_draw()
+{
+#ifdef __APPLE__
+ if (_nsglview) {
+ Gtkmm2ext::nsglview_queue_draw (_nsglview, 0, 0, get_width (), get_height ());
+ return;
+ }
+#endif
+ Gtk::Widget::queue_draw ();
+}
+
+void
+GtkCanvas::queue_draw_area (int x, int y, int width, int height)
+{
+#ifdef __APPLE__
+ if (_nsglview) {
+ Gtkmm2ext::nsglview_queue_draw (_nsglview, x, y, width, height);
+ return;
+ }
+#endif
+ Gtk::Widget::queue_draw_area (x, y, width, height);
+}
+
/** Called to request a redraw of our canvas.
* @param area Area to redraw, in window coordinates.
*/
void
GtkCanvas::request_redraw (Rect const & request)
{
- Rect real_area;
-
- Coord const w = width ();
- Coord const h = height ();
+ if (_in_dtor) {
+ return;
+ }
/* clamp area requested to actual visible window */
- real_area.x0 = max (0.0, min (w, request.x0));
- real_area.x1 = max (0.0, min (w, request.x1));
- real_area.y0 = max (0.0, min (h, request.y0));
- real_area.y1 = max (0.0, min (h, request.y1));
+ Rect real_area = request.intersection (visible_area());
- queue_draw_area (real_area.x0, real_area.y0, real_area.width(), real_area.height());
+ if (real_area) {
+ if (real_area.width () && real_area.height ()) {
+ // Item intersects with visible canvas area
+ queue_draw_area (real_area.x0, real_area.y0, real_area.width(), real_area.height());
+ }
+
+ } else {
+ // Item does not intersect with visible canvas area
+ }
}
/** Called to request that we try to get a particular size for ourselves.
}
/** @return The visible area of the canvas, in window coordinates */
-Rect
+ArdourCanvas::Rect
GtkCanvas::visible_area () const
{
return Rect (0, 0, get_allocation().get_width (), get_allocation().get_height ());
{
stop_tooltip_timeout ();
- if (item) {
+ if (item && Gtkmm2ext::PersistentTooltip::tooltips_enabled ()) {
current_tooltip_item = item;
/* wait for the first idle that happens after this is
bool
GtkCanvas::really_start_tooltip_timeout ()
{
- /* an idle has occured since we entered a tooltip-bearing widget. Now
+ /* an idle has occurred since we entered a tooltip-bearing widget. Now
* wait 1 second and if the timeout isn't cancelled, show the tooltip.
*/
tooltip_label = manage (new Gtk::Label);
tooltip_label->show ();
tooltip_window->add (*tooltip_label);
- tooltip_window->set_border_width (6);
+ tooltip_window->set_border_width (1);
tooltip_window->set_name ("tooltip");
}
(void) toplevel->get_window()->get_pointer (pointer_x, pointer_y, mask);
Duple tooltip_window_origin (pointer_x, pointer_y);
-
+
/* convert to root window coordinates */
int win_x, win_y;
dynamic_cast<Gtk::Window*>(toplevel)->get_position (win_x, win_y);
-
+
tooltip_window_origin = tooltip_window_origin.translate (Duple (win_x, win_y));
/* we don't want the pointer to be inside the window when it is
* to get it away from the pointer.
*/
- tooltip_window_origin.x += 20;
+ tooltip_window_origin.x += 30;
+ tooltip_window_origin.y += 45;
/* move the tooltip window into position */
/* ready to show */
tooltip_window->present ();
-
+
/* called from a timeout handler, don't call it again */
return false;
if (tooltip_window) {
tooltip_window->hide ();
+
+ // Delete the tooltip window so it'll get re-created
+ // (i.e. properly re-sized) on the next usage.
+ delete tooltip_window;
+ tooltip_window = NULL;
}
}
+Glib::RefPtr<Pango::Context>
+GtkCanvas::get_pango_context ()
+{
+ return Glib::wrap (gdk_pango_context_get());
+}
+
/** Create a GtkCanvaSViewport.
* @param hadj Adjustment to use for horizontal scrolling.
* @param vadj Adjustment to use for vertica scrolling.
GtkCanvasViewport::on_size_request (Gtk::Requisition* req)
{
/* force the canvas to size itself */
- // _canvas.root()->bounding_box();
+ // _canvas.root()->bounding_box();
req->width = 16;
req->height = 16;
projects / ardour.git / blobdiff