summaryrefslogtreecommitdiff
path: root/gtk2_ardour/stereo_panner.cc
diff options
context:
space:
mode:
authorPaul Davis <paul@linuxaudiosystems.com>2014-01-10 14:53:03 -0500
committerPaul Davis <paul@linuxaudiosystems.com>2014-01-10 14:53:03 -0500
commitd15fda6d751a465d278f477923075d4783f3b1ca (patch)
tree99e36ff934f50d9c980dbeab09ad021cda3d098c /gtk2_ardour/stereo_panner.cc
parent22c303d8f6c355a7229eb459cedf4fbdf0eb3c1d (diff)
parent0bdf4c25cfee8cf2408d2b1367f2c5e5c8c509b1 (diff)
fix merge errors with master
Diffstat (limited to 'gtk2_ardour/stereo_panner.cc')
-rw-r--r--gtk2_ardour/stereo_panner.cc150
1 files changed, 101 insertions, 49 deletions
diff --git a/gtk2_ardour/stereo_panner.cc b/gtk2_ardour/stereo_panner.cc
index 4e5c6de959..e650338af4 100644
--- a/gtk2_ardour/stereo_panner.cc
+++ b/gtk2_ardour/stereo_panner.cc
@@ -22,6 +22,7 @@
#include <cmath>
#include <gtkmm/window.h>
+#include <pangomm/layout.h>
#include "pbd/controllable.h"
#include "pbd/compose.h"
@@ -34,6 +35,7 @@
#include "ardour/pannable.h"
#include "ardour/panner.h"
+#include "ardour/panner_shell.h"
#include "ardour_ui.h"
#include "global_signals.h"
@@ -56,10 +58,14 @@ static const int top_step = 2;
StereoPanner::ColorScheme StereoPanner::colors[3];
bool StereoPanner::have_colors = false;
+Pango::AttrList StereoPanner::panner_font_attributes;
+bool StereoPanner::have_font = false;
+
using namespace ARDOUR;
-StereoPanner::StereoPanner (boost::shared_ptr<Panner> panner)
- : PannerInterface (panner)
+StereoPanner::StereoPanner (boost::shared_ptr<PannerShell> p)
+ : PannerInterface (p->panner())
+ , _panner_shell (p)
, position_control (_panner->pannable()->pan_azimuth_control)
, width_control (_panner->pannable()->pan_width_control)
, dragging_position (false)
@@ -77,9 +83,21 @@ StereoPanner::StereoPanner (boost::shared_ptr<Panner> panner)
set_colors ();
have_colors = true;
}
+ if (!have_font) {
+ Pango::FontDescription font;
+ Pango::AttrFontDesc* font_attr;
+ font = Pango::FontDescription ("ArdourMono");
+ font.set_weight (Pango::WEIGHT_BOLD);
+ font.set_size(9 * PANGO_SCALE);
+ font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
+ panner_font_attributes.change(*font_attr);
+ delete font_attr;
+ have_font = true;
+ }
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());
+ _panner_shell->Changed.connect (connections, invalidator (*this), boost::bind (&StereoPanner::bypass_handler, this), gui_context());
ColorsChanged.connect (sigc::mem_fun (*this, &StereoPanner::color_handler));
@@ -94,6 +112,10 @@ StereoPanner::~StereoPanner ()
void
StereoPanner::set_tooltip ()
{
+ if (_panner_shell->bypassed()) {
+ _tooltip.set_tip (_("bypassed"));
+ return;
+ }
double pos = position_control->get_value(); // 0..1
/* We show the position of the center of the image relative to the left & right.
@@ -117,14 +139,17 @@ StereoPanner::on_expose_event (GdkEventExpose*)
Glib::RefPtr<Gdk::Window> win (get_window());
Glib::RefPtr<Gdk::GC> gc (get_style()->get_base_gc (get_state()));
Cairo::RefPtr<Cairo::Context> context = get_window()->create_cairo_context();
+ Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
+ layout->set_attributes (panner_font_attributes);
+ int tw, th;
int width, height;
- double pos = position_control->get_value (); /* 0..1 */
- double swidth = width_control->get_value (); /* -1..+1 */
- double fswidth = fabs (swidth);
+ const double pos = position_control->get_value (); /* 0..1 */
+ const double swidth = width_control->get_value (); /* -1..+1 */
+ const double fswidth = fabs (swidth);
+ const double corner_radius = 5.0;
uint32_t o, f, t, b, r;
State state;
- const double corner_radius = 5.0;
width = get_width();
height = get_height ();
@@ -143,11 +168,20 @@ StereoPanner::on_expose_event (GdkEventExpose*)
b = colors[state].background;
r = colors[state].rule;
+ if (_panner_shell->bypassed()) {
+ b = 0x20202040;
+ f = 0x404040ff;
+ o = 0x606060ff;
+ t = 0x606060ff;
+ r = 0x606060ff;
+ }
+
/* background */
context->set_source_rgba (UINT_RGBA_R_FLT(b), UINT_RGBA_G_FLT(b), UINT_RGBA_B_FLT(b), UINT_RGBA_A_FLT(b));
cairo_rectangle (context->cobj(), 0, 0, width, height);
- context->fill ();
+ context->fill_preserve ();
+ context->clip();
/* 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
@@ -166,17 +200,13 @@ StereoPanner::on_expose_event (GdkEventExpose*)
context->translate (1.0, 0.0);
}
- double center = (lr_box_size/2.0) + (usable_width * pos);
- const double pan_spread = (fswidth * usable_width)/2.0;
const double half_lr_box = lr_box_size/2.0;
- int left;
- int right;
-
- left = center - pan_spread; // center of left box
- right = center + pan_spread; // center of right box
+ const double center = rint(half_lr_box + (usable_width * pos));
+ const double pan_spread = rint((fswidth * (usable_width-1.0))/2.0);
+ const double left = center - pan_spread;
+ const double right = center + pan_spread;
/* 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);
@@ -184,67 +214,64 @@ StereoPanner::on_expose_event (GdkEventExpose*)
context->stroke ();
/* compute & draw the line through the box */
-
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->move_to (left, top_step + (pos_box_size/2.0) + step_down + 1.0);
+ 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 + 1.0);
context->stroke ();
- /* left box */
-
- 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 */
-
- 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);
+ context->set_line_width (1.0);
+ /* left box */
if (state != Mono) {
+ 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(f), UINT_RGBA_G_FLT(f), UINT_RGBA_B_FLT(f), UINT_RGBA_A_FLT(f));
+ context->fill_preserve();
+ 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();
+
+ /* add text */
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) {
- context->show_text (_("R"));
+ layout->set_text (_("R"));
} else {
- context->show_text (_("L"));
+ layout->set_text (_("L"));
}
+ layout->get_pixel_size(tw, th);
+ context->move_to (rint(left - tw/2), rint(lr_box_size + step_down - th/2));
+ pango_cairo_show_layout (context->cobj(), layout->gobj());
}
/* right box */
-
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 ();
+ half_lr_box+step_down,
+ lr_box_size, lr_box_size, corner_radius);
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 ();
+ context->fill_preserve();
+ 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();
/* add text */
-
- 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) {
- context->show_text (_("M"));
+ layout->set_text (_("M"));
} else {
if (swidth < 0.0) {
- context->show_text (_("L"));
+ layout->set_text (_("L"));
} else {
- context->show_text (_("R"));
+ layout->set_text (_("R"));
}
}
+ layout->get_pixel_size(tw, th);
+ context->move_to (rint(right - tw/2), rint(lr_box_size + step_down - th/2));
+ pango_cairo_show_layout (context->cobj(), layout->gobj());
/* draw the central box */
-
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 */
@@ -267,6 +294,10 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
if (PannerInterface::on_button_press_event (ev)) {
return true;
}
+
+ if (_panner_shell->bypassed()) {
+ return true;
+ }
drag_start_x = ev->x;
last_drag_x = ev->x;
@@ -412,6 +443,10 @@ StereoPanner::on_button_release_event (GdkEventButton* ev)
return false;
}
+ if (_panner_shell->bypassed()) {
+ return false;
+ }
+
bool const dp = dragging_position;
_dragging = false;
@@ -443,6 +478,10 @@ StereoPanner::on_scroll_event (GdkEventScroll* ev)
double wv = width_control->get_value(); // 0..1.0 ; 0 = left
double step;
+ if (_panner_shell->bypassed()) {
+ return false;
+ }
+
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
step = one_degree;
} else {
@@ -474,6 +513,9 @@ StereoPanner::on_scroll_event (GdkEventScroll* ev)
bool
StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
{
+ if (_panner_shell->bypassed()) {
+ _dragging = false;
+ }
if (!_dragging) {
return false;
}
@@ -566,6 +608,10 @@ StereoPanner::on_key_press_event (GdkEventKey* ev)
double wv = width_control->get_value(); // 0..1.0 ; 0 = left
double step;
+ if (_panner_shell->bypassed()) {
+ return false;
+ }
+
if (Keyboard::modifier_state_contains (ev->state, Keyboard::PrimaryModifier)) {
step = one_degree;
} else {
@@ -641,6 +687,12 @@ StereoPanner::color_handler ()
queue_draw ();
}
+void
+StereoPanner::bypass_handler ()
+{
+ queue_draw ();
+}
+
PannerEditor*
StereoPanner::editor ()
{