StereoPanner::set_tooltip ()
{
double pos = position_control->get_value(); // 0..1
- double w = width_control->get_value (); // -1..+1
- int lpos = (int) lrint ((pos - (w/2.0)) * 100.0);
- int rpos = (int) lrint ((pos + (w/2.0)) * 100.0);
-
- Gtkmm2ext::UI::instance()->set_tip (this, string_compose (_("L:%1 R:%2 Width: %3%%"),
- lpos, rpos,
- (int) floor (w * 100.0)).c_str());
+
+ /* the values displayed show the position of the center of the image, expressed as a stereo pair
+ that ranges from (100,0) (hard left) through (50,50) (hard center) to (0,100) (hard right).
+ the center of the image is halfway between the left and right positions.
+ */
+
+ Gtkmm2ext::UI::instance()->set_tip (this,
+ string_compose (_("L:%1 R:%2 Width: %3%%\n\n0 -> set width to zero\n%4-uparrow -> set width to 1.0\n%4-downarrow -> set width to -1.0"),
+ (int) rint (100.0 * (1.0 - pos)),
+ (int) rint (100.0 * pos),
+ (int) floor (100.0 * width_control->get_value()),
+ Keyboard::secondary_modifier_name()).c_str());
}
void
/* compute the centers of the L/R boxes based on the current stereo width */
int usable_width = width - lr_box_size;
- int center = lr_box_size/2 + (int) floor (usable_width * pos);
- int left = center - (int) floor (fswidth * usable_width / 2.0); // center of leftmost box
- int right = center + (int) floor (fswidth * usable_width / 2.0); // center of rightmost box
-
- // cerr << "pos " << pos << " width = " << width << " swidth = " << swidth << " center @ " << center << " L = " << left << " R = " << right << endl;
+ double center = (lr_box_size/2.0) + (usable_width * pos);
+ int left = lrint (center - (fswidth * usable_width / 2.0)); // center of leftmost box
+ int right = lrint (center + (fswidth * usable_width / 2.0)); // center of rightmost box
/* compute & draw the line through the box */
cairo_set_line_width (cr, 2);
cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
- cairo_move_to (cr, left, top_step+(pos_box_size/2)+step_down);
- cairo_line_to (cr, left, top_step+(pos_box_size/2));
- cairo_line_to (cr, right, top_step+(pos_box_size/2));
- cairo_line_to (cr, right, top_step+(pos_box_size/2) + step_down);
+ cairo_move_to (cr, left-(lr_box_size/2), top_step+(pos_box_size/2)+step_down);
+ cairo_line_to (cr, left-(lr_box_size/2), top_step+(pos_box_size/2));
+ cairo_line_to (cr, right+(lr_box_size/2)+1, top_step+(pos_box_size/2));
+ cairo_line_to (cr, right+(lr_box_size/2)+1, top_step+(pos_box_size/2) + step_down);
cairo_stroke (cr);
if (swidth < 0.0) {
swap (left, right);
}
- /* left box */
-
+ /* make left/right be the left edge of each box */
left -= lr_box_size/2;
right -= lr_box_size/2;
+ /* left box */
+
cairo_rectangle (cr,
left,
(lr_box_size/2)+step_down,
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
if (state != Mono) {
cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
- cairo_show_text (cr, "L");
+ cairo_show_text (cr, _("L"));
}
/* right box */
(lr_box_size/2)+step_down + 13);
cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
if (state == Mono) {
- cairo_show_text (cr, "M");
+ cairo_show_text (cr, _("M"));
} else {
- cairo_show_text (cr, "R");
+ cairo_show_text (cr, _("R"));
}
/* draw the central box */
cairo_set_line_width (cr, 1);
- cairo_rectangle (cr, center - (pos_box_size/2), top_step, pos_box_size, pos_box_size);
+ cairo_rectangle (cr, lrint (center - (pos_box_size/2.0)), top_step, pos_box_size, pos_box_size);
cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
cairo_stroke_preserve (cr);
cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
if (ev->type == GDK_2BUTTON_PRESS) {
if (dragging_position) {
- cerr << "Reset pos\n";
position_control->set_value (0.5); // reset position to center
} else {
- cerr << "Reset width\n";
width_control->set_value (1.0); // reset position to full, LR
}
dragging = false;
/* still left */
if (ev->x > last_drag_x) {
/* motion to left */
+ cerr << "was left, still left, move left\n";
drag_dir = -inc;
} else {
+ cerr << "was left, still left, move right\n";
drag_dir = inc;
}
} else {
/* now right */
if (ev->x > last_drag_x) {
/* motion to left */
+ cerr << "was left, gone right, move left\n";
drag_dir = inc;
} else {
+ cerr << "was left, gone right, move right\n";
drag_dir = -inc;
}
}
/* still right */
if (ev->x < last_drag_x) {
/* motion to right */
+ cerr << "was right, still right, move right\n";
drag_dir = -inc;
} else {
+ cerr << "was right, still right, move left\n";
drag_dir = inc;
}
} else {
/* now left */
if (ev->x < last_drag_x) {
/* motion to right */
+ cerr << "was right, gone left, move right\n";
drag_dir = inc;
} else {
+ cerr << "was right, gone left, move left\n";
drag_dir = -inc;
}
}
old_wv = wv;
wv = wv + (drag_dir * delta);
+ cerr << this << " set width to " << wv << endl;
width_control->set_value (wv);
} else {
pv = pv - delta;
}
+ cerr << this << " set position to " << pv << endl;
position_control->set_value (pv);
}