#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/gtk_ui.h"
#include "gtkmm2ext/keyboard.h"
+#include "gtkmm2ext/utils.h"
+#include "ardour/pannable.h"
#include "ardour/panner.h"
#include "ardour_ui.h"
using namespace Gtk;
using namespace Gtkmm2ext;
-static const int pos_box_size = 10;
+static const int pos_box_size = 8;
static const int lr_box_size = 15;
static const int step_down = 10;
static const int top_step = 2;
StereoPanner::ColorScheme StereoPanner::colors[3];
bool StereoPanner::have_colors = false;
-PBD::Signal0<void> StereoPanner::color_change;
-StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost::shared_ptr<PBD::Controllable> width)
- : position_control (position)
- , width_control (width)
+using namespace ARDOUR;
+
+StereoPanner::StereoPanner (boost::shared_ptr<Panner> panner)
+ : _panner (panner)
+ , position_control (_panner->pannable()->pan_azimuth_control)
+ , width_control (_panner->pannable()->pan_width_control)
, dragging (false)
, dragging_position (false)
, dragging_left (false)
, drag_start_x (0)
, last_drag_x (0)
, accumulated_delta (0)
+ , detented (false)
+ , drag_data_window (0)
+ , drag_data_label (0)
+ , position_binder (position_control)
+ , width_binder (width_control)
{
if (!have_colors) {
set_colors ();
position_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
width_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
- set_tooltip ();
set_flags (Gtk::CAN_FOCUS);
Gdk::SCROLL_MASK|
Gdk::POINTER_MOTION_MASK);
- color_change.connect (connections, invalidator (*this), boost::bind (&DrawingArea::queue_draw, this), gui_context());
+ ColorsChanged.connect (sigc::mem_fun (*this, &StereoPanner::color_handler));
}
StereoPanner::~StereoPanner ()
{
+ delete drag_data_window;
}
void
-StereoPanner::set_tooltip ()
+StereoPanner::set_drag_data ()
{
+ if (!drag_data_label) {
+ return;
+ }
+
double pos = position_control->get_value(); // 0..1
/* We show the position of the center of the image relative to the left & right.
the center of the USA isn't Kansas, its (50LA, 50NY) and it will all make sense.
*/
- 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 100\n%4-downarrow -> set width to -100"),
- (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());
+ char buf[64];
+ snprintf (buf, sizeof (buf), "L:%3d R:%3d Width:%d%%", (int) rint (100.0 * (1.0 - pos)),
+ (int) rint (100.0 * pos),
+ (int) floor (100.0 * width_control->get_value()));
+ drag_data_label->set_markup (buf);
}
void
StereoPanner::value_change ()
{
- set_tooltip ();
+ set_drag_data ();
queue_draw ();
}
{
Glib::RefPtr<Gdk::Window> win (get_window());
Glib::RefPtr<Gdk::GC> gc (get_style()->get_base_gc (get_state()));
-
- cairo_t* cr = gdk_cairo_create (win->gobj());
+ Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
int width, height;
double pos = position_control->get_value (); /* 0..1 */
double swidth = width_control->get_value (); /* -1..+1 */
double fswidth = fabs (swidth);
- uint32_t o, f, t, b;
+ uint32_t o, f, t, b, r;
State state;
+ const double corner_radius = 5.0;
width = get_width();
height = get_height ();
f = colors[state].fill;
t = colors[state].text;
b = colors[state].background;
+ r = colors[state].rule;
/* background */
- cairo_set_source_rgba (cr, UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_fill (cr);
+ context->set_source_rgba (UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
+ rounded_rectangle (context, 0, 0, width, height, corner_radius);
+ context->fill ();
+
+ /* the usable width is reduced from the real width, because we need space for
+ the two halves of LR boxes that will extend past the actual left/right
+ positions (indicated by the vertical line segment above them).
+ */
double usable_width = width - lr_box_size;
So, offset cairo by 1, and reduce effective width by 1
*/
usable_width -= 1.0;
- cairo_translate (cr, 1.0, 0.0);
+ context->translate (1.0, 0.0);
}
double center = (lr_box_size/2.0) + (usable_width * pos);
int right;
left = center - pan_spread; // center of left box
- right = center + pan_spread; // right of right box
+ right = center + pan_spread; // center of right box
+
+ /* center line */
+
+ context->set_line_width (1.0);
+ context->move_to ((usable_width + lr_box_size)/2.0, 0);
+ context->rel_line_to (0, height);
+ context->set_source_rgba (UINT_RGBA_R_FLT(r), UINT_RGBA_G_FLT(r), UINT_RGBA_B_FLT(r), UINT_RGBA_A_FLT(r));
+ context->stroke ();
/* 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_stroke (cr);
+ context->set_line_width (2);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->move_to (left, top_step+(pos_box_size/2.0)+step_down);
+ context->line_to (left, top_step+(pos_box_size/2.0));
+ context->line_to (right, top_step+(pos_box_size/2.0));
+ context->line_to (right, top_step+(pos_box_size/2.0) + step_down);
+ context->stroke ();
/* left box */
- cairo_rectangle (cr,
- left - half_lr_box,
- (lr_box_size/2)+step_down,
- lr_box_size, lr_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));
- cairo_fill (cr);
+ rounded_rectangle (context, left - half_lr_box,
+ half_lr_box+step_down,
+ lr_box_size, lr_box_size, corner_radius);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill ();
/* add text */
- cairo_move_to (cr,
- left - half_lr_box + 3,
- (lr_box_size/2) + step_down + 13);
- cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
+ context->move_to (left - half_lr_box + 3,
+ (lr_box_size/2) + step_down + 13);
+ context->select_font_face ("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));
+ context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
if (swidth < 0.0) {
- cairo_show_text (cr, _("R"));
+ context->show_text (_("R"));
} else {
- cairo_show_text (cr, _("L"));
+ context->show_text (_("L"));
}
}
/* right box */
- cairo_rectangle (cr,
- right - half_lr_box,
- (lr_box_size/2)+step_down,
- lr_box_size, lr_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));
- cairo_fill (cr);
+ rounded_rectangle (context, right - half_lr_box,
+ half_lr_box+step_down,
+ lr_box_size, lr_box_size, corner_radius);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill ();
/* add text */
- cairo_move_to (cr,
- right - half_lr_box + 3,
- (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));
-
+ context->move_to (right - half_lr_box + 3, (lr_box_size/2)+step_down + 13);
+ context->set_source_rgba (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"));
+ context->show_text (_("M"));
} else {
if (swidth < 0.0) {
- cairo_show_text (cr, _("L"));
+ context->show_text (_("L"));
} else {
- cairo_show_text (cr, _("R"));
+ context->show_text (_("R"));
}
}
-
+
/* draw the central box */
- cairo_set_line_width (cr, 1);
- 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));
- cairo_fill (cr);
+ context->set_line_width (2.0);
+ context->move_to (center + (pos_box_size/2.0), top_step); /* top right */
+ context->rel_line_to (0.0, pos_box_size); /* lower right */
+ context->rel_line_to (-pos_box_size/2.0, 4.0); /* bottom point */
+ context->rel_line_to (-pos_box_size/2.0, -4.0); /* lower left */
+ context->rel_line_to (0.0, -pos_box_size); /* upper left */
+ context->close_path ();
- /* done */
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke_preserve ();
+ context->set_source_rgba (UINT_RGBA_R_FLT(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill ();
- cairo_destroy (cr);
return true;
}
dragging_position = false;
dragging_left = false;
dragging_right = false;
+ dragging = false;
accumulated_delta = 0;
+ detented = false;
+
+ /* Let the binding proxies get first crack at the press event
+ */
if (ev->y < 20) {
- /* top section of widget is for position drags */
- dragging_position = true;
+ if (position_binder.button_press_handler (ev)) {
+ return true;
+ }
} else {
- /* lower section is for dragging width */
-
- double pos = position_control->get_value (); /* 0..1 */
- double swidth = width_control->get_value (); /* -1..+1 */
- double fswidth = fabs (swidth);
- int usable_width = get_width() - lr_box_size;
- 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
- const int half_box = lr_box_size/2;
-
- if (ev->x >= (left - half_box) && ev->x < (left + half_box)) {
- dragging_left = true;
- } else if (ev->x >= (right - half_box) && ev->x < (right + half_box)) {
- dragging_right = true;
+ if (width_binder.button_press_handler (ev)) {
+ return true;
}
-
+ }
+
+ if (ev->button != 1) {
+ return false;
}
if (ev->type == GDK_2BUTTON_PRESS) {
- if (dragging_position) {
- int width = get_width();
- if (ev->x >= width/2 - 10 && ev->x <= width/2 + 10) {
- /* double click near center, reset position to center */
- position_control->set_value (0.5);
- } else {
- if (ev->x < width/2) {
- /* double click on left, collapse to hard left */
+ int width = get_width();
+
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+ /* handled by button release */
+ return true;
+ }
+
+ if (ev->y < 20) {
+
+ /* upper section: adjusts position, constrained by width */
+
+ const double w = fabs (width_control->get_value ());
+ const double max_pos = 1.0 - (w/2.0);
+ const double min_pos = w/2.0;
+
+ if (ev->x <= width/3) {
+ /* left side dbl click */
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+ /* 2ndary-double click on left, collapse to hard left */
width_control->set_value (0);
position_control->set_value (0);
} else {
- /* double click on right, collapse to hard right */
+ position_control->set_value (min_pos);
+ }
+ } else if (ev->x > 2*width/3) {
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+ /* 2ndary-double click on right, collapse to hard right */
width_control->set_value (0);
position_control->set_value (1.0);
+ } else {
+ position_control->set_value (max_pos);
}
+ } else {
+ position_control->set_value (0.5);
}
+
} else {
- if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
- width_control->set_value (-1.0); // reset position to reversed full, LR
+
+ /* lower section: adjusts width, constrained by position */
+
+ const double p = position_control->get_value ();
+ const double max_width = 2.0 * min ((1.0 - p), p);
+
+ if (ev->x <= width/3) {
+ /* left side dbl click */
+ width_control->set_value (max_width); // reset width to 100%
+ } else if (ev->x > 2*width/3) {
+ /* right side dbl click */
+ width_control->set_value (-max_width); // reset width to inverted 100%
} else {
- width_control->set_value (1.0); // reset position to full, LR
+ /* center dbl click */
+ width_control->set_value (0); // collapse width to 0%
}
}
+
dragging = false;
- } else {
+
+ } else if (ev->type == GDK_BUTTON_PRESS) {
+
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+ /* handled by button release */
+ return true;
+ }
+
+ if (ev->y < 20) {
+ /* top section of widget is for position drags */
+ dragging_position = true;
+ StartPositionGesture ();
+ } else {
+ /* lower section is for dragging width */
+
+ double pos = position_control->get_value (); /* 0..1 */
+ double swidth = width_control->get_value (); /* -1..+1 */
+ double fswidth = fabs (swidth);
+ int usable_width = get_width() - lr_box_size;
+ 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
+ const int half_box = lr_box_size/2;
+
+ if (ev->x >= (left - half_box) && ev->x < (left + half_box)) {
+ if (swidth < 0.0) {
+ dragging_right = true;
+ } else {
+ dragging_left = true;
+ }
+ } else if (ev->x >= (right - half_box) && ev->x < (right + half_box)) {
+ if (swidth < 0.0) {
+ dragging_left = true;
+ } else {
+ dragging_right = true;
+ }
+ }
+ StartWidthGesture ();
+ }
+
dragging = true;
}
bool
StereoPanner::on_button_release_event (GdkEventButton* ev)
{
+ if (ev->button != 1) {
+ return false;
+ }
+
+ bool dp = dragging_position;
+
dragging = false;
dragging_position = false;
dragging_left = false;
dragging_right = false;
accumulated_delta = 0;
+ detented = false;
+
+ if (drag_data_window) {
+ drag_data_window->hide ();
+ }
+
+ if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+ /* reset to default */
+ position_control->set_value (0.5);
+ width_control->set_value (1.0);
+ } else {
+ if (dp) {
+ StopPositionGesture ();
+ } else {
+ StopWidthGesture ();
+ }
+ }
+
return true;
}
return false;
}
+ if (!drag_data_window) {
+ drag_data_window = new Window (WINDOW_POPUP);
+ drag_data_window->set_name (X_("ContrastingPopup"));
+ drag_data_window->set_position (WIN_POS_MOUSE);
+ drag_data_window->set_decorated (false);
+
+ drag_data_label = manage (new Label);
+ drag_data_label->set_use_markup (true);
+
+ drag_data_window->set_border_width (6);
+ drag_data_window->add (*drag_data_label);
+ drag_data_label->show ();
+
+ Window* toplevel = dynamic_cast<Window*> (get_toplevel());
+ if (toplevel) {
+ drag_data_window->set_transient_for (*toplevel);
+ }
+ }
+
+ if (!drag_data_window->is_visible ()) {
+ /* move the popup window vertically down from the panner display */
+ int rx, ry;
+ get_window()->get_origin (rx, ry);
+ drag_data_window->move (rx, ry+get_height());
+ drag_data_window->present ();
+ }
+
int w = get_width();
double delta = (ev->x - last_drag_x) / (double) w;
+ double current_width = width_control->get_value ();
if (dragging_left) {
delta = -delta;
/* maintain position as invariant as we change the width */
- double current_width = width_control->get_value ();
- if (fabs (current_width) < 0.1) {
+ /* create a detent close to the center */
+
+ if (!detented && fabs (current_width) < 0.02) {
+ detented = true;
+ /* snap to zero */
+ width_control->set_value (0);
+ }
+
+ if (detented) {
+
accumulated_delta += delta;
- /* in the detent - have we pulled far enough to escape ? */
- if (fabs (accumulated_delta) >= 0.1) {
+
+ /* have we pulled far enough to escape ? */
+
+ if (fabs (accumulated_delta) >= 0.025) {
width_control->set_value (current_width + accumulated_delta);
- accumulated_delta = 0;
+ detented = false;
+ accumulated_delta = false;
}
+
} else {
width_control->set_value (current_width + delta);
}
colors[Normal].outline = ARDOUR_UI::config()->canvasvar_StereoPannerOutline.get();
colors[Normal].text = ARDOUR_UI::config()->canvasvar_StereoPannerText.get();
colors[Normal].background = ARDOUR_UI::config()->canvasvar_StereoPannerBackground.get();
+ colors[Normal].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
colors[Mono].fill = ARDOUR_UI::config()->canvasvar_StereoPannerMonoFill.get();
colors[Mono].outline = ARDOUR_UI::config()->canvasvar_StereoPannerMonoOutline.get();
colors[Mono].text = ARDOUR_UI::config()->canvasvar_StereoPannerMonoText.get();
colors[Mono].background = ARDOUR_UI::config()->canvasvar_StereoPannerMonoBackground.get();
+ colors[Mono].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
colors[Inverted].fill = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedFill.get();
colors[Inverted].outline = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedOutline.get();
colors[Inverted].text = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedText.get();
colors[Inverted].background = ARDOUR_UI::config()->canvasvar_StereoPannerInvertedBackground.get();
+ colors[Inverted].rule = ARDOUR_UI::config()->canvasvar_StereoPannerRule.get();
+}
- color_change (); /* EMIT SIGNAL */
+void
+StereoPanner::color_handler ()
+{
+ set_colors ();
+ queue_draw ();
}
projects / ardour.git / blobdiff