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-rw-r--r--gtk2_ardour/panner2d.cc137
1 files changed, 68 insertions, 69 deletions
diff --git a/gtk2_ardour/panner2d.cc b/gtk2_ardour/panner2d.cc
index 2864bfe607..0700685056 100644
--- a/gtk2_ardour/panner2d.cc
+++ b/gtk2_ardour/panner2d.cc
@@ -44,7 +44,7 @@ using Gtkmm2ext::Keyboard;
Panner2d::Target::Target (const AngularVector& a, const char *txt)
: position (a)
, text (txt)
- , _selected (false)
+ , _selected (false)
{
}
@@ -209,7 +209,7 @@ Panner2d::handle_position_change ()
}
for (n = 0; n < targets.size(); ++n) {
- targets[n]->position = panner->output(n).position;
+ targets[n]->position = panner->output(n).position;
}
queue_draw ();
@@ -238,20 +238,20 @@ Panner2d::find_closest_object (gdouble x, gdouble y, int& which) const
which = 0;
pwhich = 0;
- cerr << "@ " << x << ", " << y << endl;
+ cerr << "@ " << x << ", " << y << endl;
for (Targets::const_iterator i = pucks.begin(); i != pucks.end(); ++i, ++pwhich) {
candidate = *i;
- CartesianVector c;
+ CartesianVector c;
- candidate->position.cartesian (c);
- cart_to_gtk (c);
+ candidate->position.cartesian (c);
+ cart_to_gtk (c);
distance = sqrt ((c.x - x) * (c.x - x) +
- (c.y - y) * (c.y - y));
+ (c.y - y) * (c.y - y));
- cerr << "\tConsider candiate " << candidate->text << " @ " << c.x << ", " << c.y << ", " << c.z << " distance = " << distance << endl;
+ cerr << "\tConsider candiate " << candidate->text << " @ " << c.x << ", " << c.y << ", " << c.z << " distance = " << distance << endl;
if (distance < best_distance) {
closest = candidate;
@@ -261,11 +261,11 @@ Panner2d::find_closest_object (gdouble x, gdouble y, int& which) const
}
- if (best_distance > 20) { // arbitrary
- return 0;
- }
+ if (best_distance > 20) { // arbitrary
+ return 0;
+ }
- cerr << "the winner is " << closest->text << endl;
+ cerr << "the winner is " << closest->text << endl;
return closest;
}
@@ -309,20 +309,20 @@ Panner2d::on_expose_event (GdkEventExpose *event)
cairo_translate (cr, 10.0, 10.0);
}
- /* horizontal line of "crosshairs" */
+ /* horizontal line of "crosshairs" */
cairo_set_source_rgb (cr, 0.0, 0.1, 0.7);
cairo_move_to (cr, 0.5, height/2.0+0.5);
cairo_line_to (cr, width+0.5, height/2+0.5);
cairo_stroke (cr);
- /* vertical line of "crosshairs" */
-
+ /* vertical line of "crosshairs" */
+
cairo_move_to (cr, width/2+0.5, 0.5);
cairo_line_to (cr, width/2+0.5, height+0.5);
cairo_stroke (cr);
- /* the circle on which signals live */
+ /* the circle on which signals live */
cairo_arc (cr, width/2, height/2, height/2, 0, 2.0 * M_PI);
cairo_stroke (cr);
@@ -347,15 +347,15 @@ Panner2d::on_expose_event (GdkEventExpose *event)
if (puck->visible) {
/* redraw puck */
- CartesianVector c;
+ CartesianVector c;
- puck->position.cartesian (c);
- cart_to_gtk (c);
+ puck->position.cartesian (c);
+ cart_to_gtk (c);
- x = (gint) floor (c.x);
- y = (gint) floor (c.y);
+ x = (gint) floor (c.x);
+ y = (gint) floor (c.y);
- /* XXX need to shift circles so that they are centered on the circle */
+ /* XXX need to shift circles so that they are centered on the circle */
cairo_arc (cr, x, y, arc_radius, 0, 2.0 * M_PI);
cairo_set_source_rgb (cr, 0.8, 0.2, 0.1);
@@ -364,8 +364,8 @@ Panner2d::on_expose_event (GdkEventExpose *event)
cairo_move_to (cr, x + 6, y + 6);
- char buf[256];
- snprintf (buf, sizeof (buf), "%s:%d", puck->text.c_str(), (int) lrint (puck->position.azi));
+ char buf[256];
+ snprintf (buf, sizeof (buf), "%s:%d", puck->text.c_str(), (int) lrint (puck->position.azi));
cairo_show_text (cr, buf);
}
}
@@ -381,13 +381,13 @@ Panner2d::on_expose_event (GdkEventExpose *event)
if (target->visible) {
- CartesianVector c;
+ CartesianVector c;
- target->position.cartesian (c);
- cart_to_gtk (c);
+ target->position.cartesian (c);
+ cart_to_gtk (c);
- x = (int) floor (c.x);
- y = (int) floor (c.y);
+ x = (int) floor (c.x);
+ y = (int) floor (c.y);
snprintf (buf, sizeof (buf), "%d", n);
@@ -419,8 +419,8 @@ Panner2d::on_button_press_event (GdkEventButton *ev)
case 1:
case 2:
if ((drag_target = find_closest_object (ev->x, ev->y, drag_index)) != 0) {
- drag_target->set_selected (true);
- }
+ drag_target->set_selected (true);
+ }
drag_x = (int) floor (ev->x);
drag_y = (int) floor (ev->y);
@@ -458,7 +458,7 @@ Panner2d::on_button_release_event (GdkEventButton *ev)
queue_draw ();
PuckMoved (-1);
- ret = true;
+ ret = true;
} else {
ret = handle_motion (x, y, state);
@@ -503,33 +503,32 @@ Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
if (state & GDK_BUTTON1_MASK && !(state & GDK_BUTTON2_MASK)) {
-
- CartesianVector c;
- bool need_move = false;
+ CartesianVector c;
+ bool need_move = false;
- drag_target->position.cartesian (c);
- cart_to_gtk (c);
+ drag_target->position.cartesian (c);
+ cart_to_gtk (c);
- if ((evx != c.x) || (evy != c.y)) {
- need_move = true;
- }
+ if ((evx != c.x) || (evy != c.y)) {
+ need_move = true;
+ }
- if (need_move) {
- CartesianVector cp (evx, evy, 0.0);
+ if (need_move) {
+ CartesianVector cp (evx, evy, 0.0);
- /* canonicalize position */
+ /* canonicalize position */
- gtk_to_cart (cp);
+ gtk_to_cart (cp);
- /* position actual signal on circle */
+ /* position actual signal on circle */
- clamp_to_circle (cp.x, cp.y);
+ clamp_to_circle (cp.x, cp.y);
- /* generate an angular representation and set drag target (GUI) position */
+ /* generate an angular representation and set drag target (GUI) position */
- cp.angular (drag_target->position); /* sets drag target position */
+ cp.angular (drag_target->position); /* sets drag target position */
- panner->streampanner (drag_index).set_position (drag_target->position);
+ panner->streampanner (drag_index).set_position (drag_target->position);
queue_draw ();
}
@@ -541,43 +540,43 @@ Panner2d::handle_motion (gint evx, gint evy, GdkModifierType state)
void
Panner2d::cart_to_gtk (CartesianVector& c) const
{
- /* "c" uses a coordinate space that is:
+ /* "c" uses a coordinate space that is:
- center = 0.0
- dimension = 2.0 * 2.0
- so max values along each axis are -1..+1
+ center = 0.0
+ dimension = 2.0 * 2.0
+ so max values along each axis are -1..+1
- GTK uses a coordinate space that is:
+ GTK uses a coordinate space that is:
- top left = 0.0
- dimension = width * height
- so max values along each axis are 0,width and
- 0,height
- */
+ top left = 0.0
+ dimension = width * height
+ so max values along each axis are 0,width and
+ 0,height
+ */
- c.x = (width / 2) * (c.x + 1);
- c.y = (height / 2) * (1 - c.y);
+ c.x = (width / 2) * (c.x + 1);
+ c.y = (height / 2) * (1 - c.y);
- /* XXX z-axis not handled - 2D for now */
+ /* XXX z-axis not handled - 2D for now */
}
void
Panner2d::gtk_to_cart (CartesianVector& c) const
{
- c.x = (c.x / (width / 2.0)) - 1.0;
- c.y = -((c.y / (height / 2.0)) - 1.0);
+ c.x = (c.x / (width / 2.0)) - 1.0;
+ c.y = -((c.y / (height / 2.0)) - 1.0);
- /* XXX z-axis not handled - 2D for now */
+ /* XXX z-axis not handled - 2D for now */
}
void
Panner2d::clamp_to_circle (double& x, double& y)
{
- double azi, ele;
- double z = 0.0;
+ double azi, ele;
+ double z = 0.0;
- PBD::cart_to_azi_ele (x, y, z, azi, ele);
- PBD::azi_ele_to_cart (azi, ele, x, y, z);
+ PBD::cart_to_azi_ele (x, y, z, azi, ele);
+ PBD::azi_ele_to_cart (azi, ele, x, y, z);
}
void
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 22:36:15 +0000