From: Robin Gareus Date: Sun, 14 Jan 2018 16:38:49 +0000 (+0100) Subject: Separate DSP load indicator into generic gauge widget X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=b0c5005cecbe248b865c85e91b4b70410912bc6e;p=ardour.git Separate DSP load indicator into generic gauge widget --- diff --git a/gtk2_ardour/ardour_gauge.cc b/gtk2_ardour/ardour_gauge.cc new file mode 100644 index 0000000000..db9728662e --- /dev/null +++ b/gtk2_ardour/ardour_gauge.cc @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2017 Robin Gareus + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "gtkmm2ext/utils.h" +#include "widgets/tooltips.h" + +#include "ardour_gauge.h" +#include "ui_config.h" + +#define PADDING 3 + +ArdourGauge::ArdourGauge (std::string const& max_text) +{ + _layout = Pango::Layout::create (get_pango_context ()); + _layout->set_text (max_text); +} + +ArdourGauge::~ArdourGauge () +{ +} + +void +ArdourGauge::on_size_request (Gtk::Requisition* req) +{ + req->width = req->height = 0; + CairoWidget::on_size_request (req); + + int w, h; + _layout->get_pixel_size (w, h); + + req->width = std::max (req->width, std::max (12, h + PADDING)); + req->height = std::max (req->height, 20 /*std::max (20, w + PADDING) */); +} + +void +ArdourGauge::update () +{ + queue_draw (); + ArdourWidgets::set_tooltip (*this, tooltip_text ()); +} + +void +ArdourGauge::update (std::string const& txt) +{ + _layout->set_text (txt); + update (); +} + +void +ArdourGauge::render (Cairo::RefPtr const& ctx, cairo_rectangle_t*) +{ + cairo_t* cr = ctx->cobj (); + Gtkmm2ext::Color base = UIConfiguration::instance ().color ("ruler base"); + Gtkmm2ext::Color text = UIConfiguration::instance ().color ("ruler text"); + + const int width = get_width (); + const int height = get_height (); + + Gtkmm2ext::rounded_rectangle (cr, 0, 0, width, height, PADDING + 1); + Gtkmm2ext::set_source_rgba (cr, base); + cairo_fill (cr); + + if (alert ()) { + Gtkmm2ext::rounded_rectangle (cr, 1, 1, width - 2, height - 2, PADDING + 1); + cairo_set_source_rgba (cr, 0.5, 0, 0, 1.0); + cairo_fill (cr); + } + + Gtkmm2ext::rounded_rectangle (cr, PADDING, PADDING, width - PADDING - PADDING, height - PADDING - PADDING, PADDING + 1); + cairo_clip (cr); + + const float lvl = level (); + + int bh = (height - PADDING - PADDING) * lvl; + cairo_rectangle (cr, PADDING, height - PADDING - bh, width - PADDING, bh); + + switch (indicator ()) { + case Level_OK: + cairo_set_source_rgba (cr, 0, .5, 0, 1.0); + break; + case Level_WARN: + cairo_set_source_rgba (cr, .7, .6, 0, 1.0); + break; + case Level_CRIT: + cairo_set_source_rgba (cr, .9, 0, 0, 1.0); + break; + } + cairo_fill (cr); + + int w, h; + _layout->get_pixel_size (w, h); + + cairo_save (cr); + cairo_new_path (cr); + cairo_translate (cr, width * .5, height * .5); + cairo_rotate (cr, M_PI * -.5); + + cairo_move_to (cr, w * -.5, h * -.5); + pango_cairo_update_layout (cr, _layout->gobj()); + Gtkmm2ext::set_source_rgb_a (cr, base, 0.5); + pango_cairo_layout_path (cr, _layout->gobj()); + cairo_set_line_width (cr, 1.5); + cairo_stroke (cr); + + cairo_move_to (cr, w * -.5, h * -.5); + pango_cairo_update_layout (cr, _layout->gobj()); + Gtkmm2ext::set_source_rgba (cr, text); + pango_cairo_show_layout (cr, _layout->gobj()); + + cairo_restore (cr); +} diff --git a/gtk2_ardour/ardour_gauge.h b/gtk2_ardour/ardour_gauge.h new file mode 100644 index 0000000000..7f707d3ae0 --- /dev/null +++ b/gtk2_ardour/ardour_gauge.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2017 Robin Gareus + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __gtkardour_gauge_h__ +#define __gtkardour_gauge_h__ + +#include + +#include "gtkmm2ext/cairo_widget.h" + +class ArdourGauge : public CairoWidget +{ +public: + ArdourGauge (std::string const& max_text = "00.0%"); + virtual ~ArdourGauge (); + +protected: + + enum Status { + Level_OK, /* green */ + Level_WARN, /* yellow */ + Level_CRIT /* red */ + }; + + /* gauge's background, indicate alarming conditions eg. xrun */ + virtual bool alert () const { return false; } + /* guage inidicator color */ + virtual Status indicator () const = 0; + /* gauge level 0 <= level <= 1 */ + virtual float level () const = 0; + + virtual std::string tooltip_text () = 0; + + void update (); + void update (std::string const &); + +private: + void on_size_request (Gtk::Requisition*); + void render (Cairo::RefPtr const&, cairo_rectangle_t*); + + Glib::RefPtr _layout; +}; + +#endif diff --git a/gtk2_ardour/dsp_load_indicator.cc b/gtk2_ardour/dsp_load_indicator.cc index bf033b7b32..f5b5afdadb 100644 --- a/gtk2_ardour/dsp_load_indicator.cc +++ b/gtk2_ardour/dsp_load_indicator.cc @@ -16,42 +16,20 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ -#include "gtkmm2ext/utils.h" -#include "widgets/tooltips.h" - #include "ardour_ui.h" #include "dsp_load_indicator.h" -#include "ui_config.h" #include "pbd/i18n.h" #define PADDING 3 DspLoadIndicator::DspLoadIndicator () - : _dsp_load (0) + : ArdourGauge ("00.0%") + , _dsp_load (0) , _xrun_count (0) -{ - _layout = Pango::Layout::create (get_pango_context ()); - _layout->set_text ("99.9%"); -} - -DspLoadIndicator::~DspLoadIndicator () { } -void -DspLoadIndicator::on_size_request (Gtk::Requisition* req) -{ - req->width = req->height = 0; - CairoWidget::on_size_request (req); - - int w, h; - _layout->get_pixel_size (w, h); - - req->width = std::max (req->width, std::max (12, h + PADDING)); - req->height = std::max (req->height, 20 /*std::max (20, w + PADDING) */); -} - void DspLoadIndicator::set_xrun_count (const unsigned int xruns) { @@ -59,8 +37,7 @@ DspLoadIndicator::set_xrun_count (const unsigned int xruns) return; } _xrun_count = xruns; - queue_draw (); - update_tooltip (); + update (); } void @@ -73,82 +50,44 @@ DspLoadIndicator::set_dsp_load (const double load) char buf[64]; snprintf (buf, sizeof (buf), "%.1f%%", _dsp_load); - _layout->set_text (buf); + update (std::string (buf)); +} - queue_draw (); - update_tooltip (); +float +DspLoadIndicator::level () const { + return _dsp_load / 100.f; } -void -DspLoadIndicator::update_tooltip () +bool +DspLoadIndicator::alert () const { - char buf[64]; - if (_xrun_count == UINT_MAX) { - snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: ?"), _dsp_load); - } else if (_xrun_count > 9999) { - snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: >10k"), _dsp_load); - } else { - snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: %u"), _dsp_load, _xrun_count); - } - ArdourWidgets::set_tooltip (*this, buf); + return _xrun_count > 0; } -void -DspLoadIndicator::render (Cairo::RefPtr const& ctx, cairo_rectangle_t*) +ArdourGauge::Status +DspLoadIndicator::indicator () const { - cairo_t* cr = ctx->cobj (); - Gtkmm2ext::Color base = UIConfiguration::instance ().color ("ruler base"); - Gtkmm2ext::Color text = UIConfiguration::instance ().color ("ruler text"); - - const int width = get_width (); - const int height = get_height (); - - Gtkmm2ext::rounded_rectangle (cr, 0, 0, width, height, PADDING + 1); - Gtkmm2ext::set_source_rgba (cr, base); - cairo_fill (cr); - - if (_xrun_count > 0) { - Gtkmm2ext::rounded_rectangle (cr, 1, 1, width - 2, height - 2, PADDING + 1); - cairo_set_source_rgba (cr, 0.5, 0, 0, 1.0); - cairo_fill (cr); - } - - Gtkmm2ext::rounded_rectangle (cr, PADDING, PADDING, width - PADDING - PADDING, height - PADDING - PADDING, PADDING + 1); - cairo_clip (cr); - - int bh = (height - PADDING - PADDING) * _dsp_load / 100.f; - cairo_rectangle (cr, PADDING, height - PADDING - bh, width - PADDING, bh); - if (_dsp_load > 90) { - cairo_set_source_rgba (cr, .9, 0, 0, 1.0); + return ArdourGauge::Level_OK; } else if (_dsp_load > 80) { - cairo_set_source_rgba (cr, .7, .6, 0, 1.0); + return ArdourGauge::Level_WARN; } else { - cairo_set_source_rgba (cr, 0, .5, 0, 1.0); + return ArdourGauge::Level_CRIT; } - cairo_fill (cr); - - int w, h; - _layout->get_pixel_size (w, h); - - cairo_save (cr); - cairo_new_path (cr); - cairo_translate (cr, width * .5, height * .5); - cairo_rotate (cr, M_PI * -.5); - - cairo_move_to (cr, w * -.5, h * -.5); - pango_cairo_update_layout (cr, _layout->gobj()); - Gtkmm2ext::set_source_rgb_a (cr, base, 0.5); - pango_cairo_layout_path (cr, _layout->gobj()); - cairo_set_line_width (cr, 1.5); - cairo_stroke (cr); - - cairo_move_to (cr, w * -.5, h * -.5); - pango_cairo_update_layout (cr, _layout->gobj()); - Gtkmm2ext::set_source_rgba (cr, text); - pango_cairo_show_layout (cr, _layout->gobj()); +} - cairo_restore (cr); +std::string +DspLoadIndicator::tooltip_text () +{ + char buf[64]; + if (_xrun_count == UINT_MAX) { + snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: ?"), _dsp_load); + } else if (_xrun_count > 9999) { + snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: >10k"), _dsp_load); + } else { + snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: %u"), _dsp_load, _xrun_count); + } + return buf; } bool diff --git a/gtk2_ardour/dsp_load_indicator.h b/gtk2_ardour/dsp_load_indicator.h index 012347e1a9..bbdc400150 100644 --- a/gtk2_ardour/dsp_load_indicator.h +++ b/gtk2_ardour/dsp_load_indicator.h @@ -21,25 +21,25 @@ #include -#include "gtkmm2ext/cairo_widget.h" +#include "ardour_gauge.h" -class DspLoadIndicator : public CairoWidget +class DspLoadIndicator : public ArdourGauge { - public: +public: DspLoadIndicator (); - ~DspLoadIndicator (); void set_xrun_count (const unsigned int xruns); void set_dsp_load (const double load); +protected: + bool alert () const; + ArdourGauge::Status indicator () const; + float level () const; + std::string tooltip_text (); + private: - void on_size_request (Gtk::Requisition*); - void render (Cairo::RefPtr const&, cairo_rectangle_t*); bool on_button_release_event (GdkEventButton*); - void update_tooltip (); - - Glib::RefPtr _layout; float _dsp_load; unsigned int _xrun_count; }; diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript index c8af5ce97f..7e08f20585 100644 --- a/gtk2_ardour/wscript +++ b/gtk2_ardour/wscript @@ -32,6 +32,7 @@ gtk2_ardour_sources = [ 'ambiguous_file_dialog.cc', 'analysis_window.cc', 'ardour_dialog.cc', + 'ardour_gauge.cc', 'ardour_http.cc', 'ardour_ui.cc', 'ardour_ui2.cc',