smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-06 06:44:57 +01:00
Code Issues Projects Releases Wiki Activity

Plugin Analysis: show numeric values on mouse over

Browse source 
For people who need more precise frequency or response amplitude, show
the values corresponding to the point under the mouse.
This commit is contained in:
Julien "_FrnchFrgg_" RIVAUD 2016-07-23 21:10:44 +02:00
parent ad34eb7e0b
commit 9215710c59
3 changed files with 66 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

1
gtk2_ardour/clearlooks.rc.in
View file

@ -1180,6 +1180,7 @@ widget "*PluginSaveButton" style:highest "small_button"
widget "*PluginSaveButton*" style:highest "small_button"
widget "*PluginEditorButton*" style:highest "default_toggle_button"
widget "*PluginEditorButton-active" style:highest "default_toggle_button_active"
widget "*PluginAnalysisInfoLabel" style:highest "medium_monospace_text"
widget "*BarControlSpinner" style:highest "small_spinner"
widget "*BarControlSpinner*" style:highest "small_spinner"

61
gtk2_ardour/plugin_eq_gui.cc
View file

@ -18,8 +18,11 @@
*/
#include <algorithm>
#include <math.h>
#include <iomanip>
#include <iostream>
#include <sstream>
#ifdef COMPILER_MSVC
#include <float.h>
@ -75,8 +78,13 @@ PluginEqGui::PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert> pluginInsert)
_analysis_height = 256.0;
_analysis_area->set_size_request(_analysis_width, _analysis_height);
_analysis_area->add_events(Gdk::POINTER_MOTION_MASK | Gdk::LEAVE_NOTIFY_MASK | Gdk::BUTTON_PRESS_MASK);
_analysis_area->signal_expose_event().connect( sigc::mem_fun (*this, &PluginEqGui::expose_analysis_area));
_analysis_area->signal_size_allocate().connect( sigc::mem_fun (*this, &PluginEqGui::resize_analysis_area));
_analysis_area->signal_motion_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseover));
_analysis_area->signal_leave_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseexit));
_analysis_area->signal_button_press_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mousedown));
// dB selection
dBScaleModel = Gtk::ListStore::create(dBColumns);
@ -117,10 +125,16 @@ PluginEqGui::PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert> pluginInsert)
_phase_button->set_active(true);
_phase_button->signal_toggled().connect( sigc::mem_fun(*this, &PluginEqGui::redraw_scales));
// Freq/dB info for mouse over
_pointer_info = new Gtk::Label ("", 1, 0.5);
_pointer_info->set_size_request(_analysis_width / 4, -1);
_pointer_info->set_name("PluginAnalysisInfoLabel");
// populate table
attach( *manage(_analysis_area), 1, 3, 1, 2);
attach( *manage(_analysis_area), 1, 4, 1, 2);
attach( *manage(dBSelectBin), 1, 2, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
attach( *manage(_phase_button), 2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
attach( *manage(_phase_button), 2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK);
attach( *manage(_pointer_info), 3, 4, 2, 3, Gtk::FILL, Gtk::SHRINK);
}
PluginEqGui::~PluginEqGui()
@ -287,6 +301,8 @@ PluginEqGui::resize_analysis_area (Gtk::Allocation& size)
cairo_surface_destroy (_analysis_scale_surface);
_analysis_scale_surface = 0;
}
_pointer_info->set_size_request(_analysis_width / 4, -1);
}
bool
@ -426,6 +442,47 @@ PluginEqGui::run_impulse_analysis()
ARDOUR_UI::instance()->drop_process_buffers ();
}
void
PluginEqGui::update_pointer_info(float x, float y)
{
const int freq = std::max(1, (int) roundf((powf(10, x / _analysis_width * _log_max) - 1) * _samplerate / 2.0 / _log_coeff));
const float dB = _max_dB - y / _analysis_height * ( _max_dB - _min_dB );
std::stringstream ss;
ss << std::fixed;
if (freq >= 10000) {
ss << std::setprecision (1) << freq / 1000 << "kHz";
} else if (freq >= 1000) {
ss << std::setprecision (2) << freq / 1000 << "kHz";
} else {
ss << std::setprecision (0) << freq << "Hz";
}
ss << " " << std::setw(5) << std::setprecision (1) << std::showpos << dB;
ss << std::setw(0) << "dB";
_pointer_info->set_text(ss.str());
}
bool
PluginEqGui::analysis_area_mouseover(GdkEventMotion *event)
{
update_pointer_info(event->x, event->y);
return true;
}
bool
PluginEqGui::analysis_area_mouseexit(GdkEventCrossing *)
{
_pointer_info->set_text("");
return true;
}
bool
PluginEqGui::analysis_area_mousedown(GdkEventButton *event)
{
update_pointer_info(event->x, event->y);
return true;
}
bool
PluginEqGui::expose_analysis_area(GdkEventExpose *)
{

6
gtk2_ardour/plugin_eq_gui.h
View file

@ -79,6 +79,11 @@ private:
void plot_signal_amplitude_difference (Gtk::Widget *,cairo_t *);
void update_pointer_info(float, float);
bool analysis_area_mouseover(GdkEventMotion *);
bool analysis_area_mouseexit(GdkEventCrossing *);
bool analysis_area_mousedown(GdkEventButton *);
// Helpers
bool timeout_callback ();
void redraw_scales ();
@ -117,6 +122,7 @@ private:
// gui objects
Gtk::DrawingArea *_analysis_area;
cairo_surface_t *_analysis_scale_surface;
Gtk::Label *_pointer_info;
// dB scale selection:
class dBSelectionColumns : public Gtk::TreeModel::ColumnRecord