985 lines
24 KiB
C++
985 lines
24 KiB
C++
/*
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Copyright (C) 2010 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cmath>
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#include <algorithm>
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#include <pangomm/layout.h>
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#include "pbd/compose.h"
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#include "pbd/error.h"
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#include "pbd/stacktrace.h"
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#include "gtkmm2ext/utils.h"
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#include "gtkmm2ext/rgb_macros.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "ardour/rc_configuration.h" // for widget prelight preference
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#include "canvas/utils.h"
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#include "ardour_button.h"
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#include "ardour_ui.h"
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#include "global_signals.h"
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#include "i18n.h"
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#define REFLECTION_HEIGHT 2
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using namespace Gdk;
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using namespace Gtk;
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using namespace Glib;
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using namespace PBD;
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using std::max;
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using std::min;
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using namespace std;
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ArdourButton::Element ArdourButton::default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Text);
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ArdourButton::Element ArdourButton::led_default_elements = ArdourButton::Element (ArdourButton::default_elements|ArdourButton::Indicator);
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ArdourButton::Element ArdourButton::just_led_default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Indicator);
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ArdourButton::ArdourButton (Element e)
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: _elements (e)
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, _tweaks (Tweaks (0))
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, _text_width (0)
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, _text_height (0)
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, _diameter (11.0)
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, _corner_radius (4.0)
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, _corner_mask (0xf)
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, _angle(0)
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, _xalign(.5)
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, _yalign(.5)
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, fill_inactive_color (0)
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, fill_active_color (0)
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, text_active_color(0)
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, text_inactive_color(0)
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, led_active_color(0)
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, led_inactive_color(0)
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, convex_pattern (0)
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, concave_pattern (0)
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, led_inset_pattern (0)
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, _led_rect (0)
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, _act_on_release (true)
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, _led_left (false)
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, _fixed_diameter (true)
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, _distinct_led_click (false)
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, _hovering (false)
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, _focused (false)
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, _fixed_colors_set (false)
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, _fallthrough_to_parent (false)
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{
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ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourButton::color_handler));
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}
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ArdourButton::ArdourButton (const std::string& str, Element e)
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: _elements (e)
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, _tweaks (Tweaks (0))
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, _text_width (0)
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, _text_height (0)
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, _diameter (11.0)
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, _corner_radius (4.0)
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, _corner_mask (0xf)
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, _angle(0)
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, _xalign(.5)
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, _yalign(.5)
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, fill_inactive_color (0)
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, fill_active_color (0)
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, text_active_color(0)
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, text_inactive_color(0)
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, led_active_color(0)
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, led_inactive_color(0)
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, convex_pattern (0)
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, concave_pattern (0)
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, led_inset_pattern (0)
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, _led_rect (0)
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, _act_on_release (true)
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, _led_left (false)
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, _fixed_diameter (true)
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, _distinct_led_click (false)
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, _hovering (false)
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, _focused (false)
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, _fixed_colors_set (false)
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{
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set_text (str);
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}
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ArdourButton::~ArdourButton()
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{
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delete _led_rect;
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if (convex_pattern) {
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cairo_pattern_destroy (convex_pattern);
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}
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if (concave_pattern) {
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cairo_pattern_destroy (concave_pattern);
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}
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if (led_inset_pattern) {
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cairo_pattern_destroy (led_inset_pattern);
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}
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}
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void
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ArdourButton::set_text (const std::string& str)
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{
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_text = str;
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if (!_layout && !_text.empty()) {
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_layout = Pango::Layout::create (get_pango_context());
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}
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if (_layout) {
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_layout->set_text (str);
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}
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queue_resize ();
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}
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void
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ArdourButton::set_markup (const std::string& str)
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{
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_text = str;
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if (!_layout) {
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_layout = Pango::Layout::create (get_pango_context());
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}
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_layout->set_markup (str);
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queue_resize ();
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}
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void
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ArdourButton::set_angle (const double angle)
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{
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_angle = angle;
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}
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void
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ArdourButton::set_alignment (const float xa, const float ya)
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{
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_xalign = xa;
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_yalign = ya;
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}
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void
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ArdourButton::render (cairo_t* cr, cairo_rectangle_t *)
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{
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uint32_t text_color;
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uint32_t led_color;
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if ( active_state() == Gtkmm2ext::ExplicitActive ) {
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text_color = text_active_color;
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led_color = led_active_color;
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} else {
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text_color = text_inactive_color;
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led_color = led_inactive_color;
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}
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void (*rounded_function)(cairo_t*, double, double, double, double, double);
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switch (_corner_mask) {
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case 0x1: /* upper left only */
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rounded_function = Gtkmm2ext::rounded_top_left_rectangle;
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break;
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case 0x2: /* upper right only */
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rounded_function = Gtkmm2ext::rounded_top_right_rectangle;
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break;
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case 0x3: /* upper only */
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rounded_function = Gtkmm2ext::rounded_top_rectangle;
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break;
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/* should really have functions for lower right, lower left,
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lower only, but for now, we don't
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*/
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default:
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rounded_function = Gtkmm2ext::rounded_rectangle;
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}
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if (!_fixed_diameter) {
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_diameter = std::min (get_width(), get_height());
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}
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// background fill
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if ((_elements & Body)==Body) {
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rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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if (active_state() == Gtkmm2ext::ImplicitActive && !((_elements & Indicator)==Indicator)) {
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ArdourCanvas::set_source_rgba (cr, fill_inactive_color);
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cairo_fill (cr);
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} else if ( (active_state() == Gtkmm2ext::ExplicitActive) && !((_elements & Indicator)==Indicator) ) {
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//background color
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ArdourCanvas::set_source_rgba (cr, fill_active_color);
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cairo_fill (cr);
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} else { //inactive, or it has an indicator
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//background color
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ArdourCanvas::set_source_rgba (cr, fill_inactive_color);
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}
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cairo_fill (cr);
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}
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//show the "convex" or "concave" gradient
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if (!_flat_buttons) {
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if ( active_state() == Gtkmm2ext::ExplicitActive && !((_elements & Indicator)==Indicator) ) {
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//concave
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cairo_set_source (cr, concave_pattern);
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Gtkmm2ext::rounded_rectangle (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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cairo_fill (cr);
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} else {
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cairo_set_source (cr, convex_pattern);
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Gtkmm2ext::rounded_rectangle (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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cairo_fill (cr);
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}
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}
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// indicator border on top of gradient
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if ((_elements & Body)==Body) {
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if (active_state() == Gtkmm2ext::ImplicitActive && !((_elements & Indicator)==Indicator)) {
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cairo_set_line_width (cr, 3.0);
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rounded_function (cr, 1.5, 1.5, get_width() - 3, get_height() - 3, _corner_radius);
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ArdourCanvas::set_source_rgba (cr, fill_active_color);
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cairo_stroke (cr);
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}
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}
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// draw edge
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if ((_elements & (Body|Edge)) == (Body|Edge)) {
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rounded_function (cr, .5, .5, get_width() - 1, get_height() - 1, _corner_radius);
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cairo_set_source_rgba (cr, 0, 0, 0, 1);
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cairo_set_line_width (cr, 1.0);
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cairo_stroke(cr);
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}
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//Pixbuf, if any
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if (_pixbuf) {
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double x,y;
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x = (get_width() - _pixbuf->get_width())/2.0;
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y = (get_height() - _pixbuf->get_height())/2.0;
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//if this is a DropDown with an icon, then we need to
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//move the icon left slightly to accomomodate the arrow
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if (((_elements & Menu)==Menu)) {
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cairo_save (cr);
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cairo_translate (cr, -8,0 );
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}
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cairo_rectangle (cr, x, y, _pixbuf->get_width(), _pixbuf->get_height());
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gdk_cairo_set_source_pixbuf (cr, _pixbuf->gobj(), x, y);
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cairo_fill (cr);
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//..and then return to our previous drawing position
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if (((_elements & Menu)==Menu)) {
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cairo_restore (cr);
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}
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}
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int text_margin;
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if (get_width() < 75 || (_elements & Menu) ) {
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text_margin = 5;
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} else {
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text_margin = 10;
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}
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// Text, if any
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if ( !_pixbuf && ((_elements & Text)==Text) && !_text.empty()) {
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cairo_save (cr);
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cairo_rectangle (cr, 2, 1, get_width()-4, get_height()-2);
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cairo_clip(cr);
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cairo_new_path (cr);
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ArdourCanvas::set_source_rgba (cr, text_color);
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if ( (_elements & Menu) == Menu) {
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cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0));
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pango_cairo_show_layout (cr, _layout->gobj());
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} else if ( (_elements & Indicator) == Indicator) {
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if (_led_left) {
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cairo_move_to (cr, rint(text_margin + _diameter + 4), rint((get_height() - _text_height)/2.0));
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} else {
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cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0));
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}
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pango_cairo_show_layout (cr, _layout->gobj());
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} else {
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/* align text */
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double ww, wh;
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double xa, ya;
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ww = get_width();
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wh = get_height();
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cairo_save (cr); // TODO retain rotataion.. adj. LED,...
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cairo_rotate(cr, _angle * M_PI / 180.0);
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cairo_device_to_user(cr, &ww, &wh);
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xa = (ww - _text_width) * _xalign;
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ya = (wh - _text_height) * _yalign;
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/* quick hack for left/bottom alignment at -90deg
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* TODO this should be generalized incl rotation.
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* currently only 'user' of this API is meter_strip.cc
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*/
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if (_xalign < 0) xa = (ww * fabs(_xalign) + text_margin);
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// TODO honor left/right text_margin with min/max()
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cairo_move_to (cr, rint(.5 + xa), rint(ya));
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pango_cairo_update_layout(cr, _layout->gobj());
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pango_cairo_show_layout (cr, _layout->gobj());
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cairo_restore (cr);
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}
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cairo_restore (cr);
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}
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//Menu "triangle"
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if (((_elements & Menu)==Menu)) {
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const float trih = ceil(_diameter/2.0);
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const float triw2 = ceil(.577 * _diameter/2.0); // 1/sqrt(3) Equilateral triangle
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//menu arrow
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cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
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cairo_move_to(cr, get_width() - triw2 - 3. , rint((get_height() + trih) / 2.0));
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cairo_rel_line_to(cr, -triw2, -trih);
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cairo_rel_line_to(cr, 2. * triw2, 0);
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cairo_close_path(cr);
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cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
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cairo_fill(cr);
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cairo_move_to(cr, get_width() - triw2 - 3 , rint((get_height() + trih) / 2.0));
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cairo_rel_line_to(cr, .5 - triw2, .5 - trih);
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cairo_rel_line_to(cr, 2. * triw2 - 1, 0);
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cairo_close_path(cr);
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cairo_set_source_rgba (cr, 0, 0, 0, 0.8);
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cairo_set_line_width(cr, 1);
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cairo_stroke(cr);
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}
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//Indicator LED
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if (((_elements & Indicator)==Indicator)) {
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/* move to the center of the indicator/led */
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cairo_save (cr);
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if (_elements & Text) {
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if (_led_left) {
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cairo_translate (cr, text_margin + (_diameter/2.0), get_height()/2.0);
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} else {
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cairo_translate (cr, get_width() - ((_diameter/2.0) + 4.0), get_height()/2.0);
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}
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} else {
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cairo_translate (cr, get_width()/2.0, get_height()/2.0);
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}
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//inset
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if (!_flat_buttons) {
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cairo_arc (cr, 0, 0, _diameter/2, 0, 2 * M_PI);
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cairo_set_source (cr, led_inset_pattern);
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cairo_fill (cr);
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}
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//black ring
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cairo_set_source_rgb (cr, 0, 0, 0);
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cairo_arc (cr, 0, 0, _diameter/2-1, 0, 2 * M_PI);
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cairo_fill(cr);
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//led color
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ArdourCanvas::set_source_rgba (cr, led_color);
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cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
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cairo_fill(cr);
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cairo_restore (cr);
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}
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// a transparent gray layer to indicate insensitivity
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if ((visual_state() & Gtkmm2ext::Insensitive)) {
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rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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cairo_set_source_rgba (cr, 0.505, 0.517, 0.525, 0.6);
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cairo_fill (cr);
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}
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// if requested, show hovering
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if (ARDOUR::Config->get_widget_prelight()
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&& !((visual_state() & Gtkmm2ext::Insensitive))) {
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if (_hovering) {
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rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.2);
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cairo_fill (cr);
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}
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}
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//user is currently pressing the button. black outline helps to indicate this
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if ( _grabbed && !(_elements & (Inactive|Menu))) {
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rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
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cairo_set_line_width(cr, 2);
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cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, .5); // XXX no longer 'black'
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cairo_stroke (cr);
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}
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//some buttons (like processor boxes) can be selected (so they can be deleted). Draw a selection indicator
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if (visual_state() & Gtkmm2ext::Selected) {
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#if 0 // outline, edge + 1px outside
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cairo_set_line_width(cr, 2);
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cairo_set_source_rgba (cr, 1, 0, 0, 0.8);
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#else // replace edge (if any)
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cairo_set_line_width(cr, 1);
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cairo_set_source_rgba (cr, 1, 0, 0, 0.8);
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#endif
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rounded_function (cr, 0.5, 0.5, get_width() - 1, get_height() - 1, _corner_radius);
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cairo_stroke (cr);
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}
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//I guess this means we have keyboard focus. I don't think this works currently
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//
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//A: yes, it's keyboard focus and it does work when there's no editor window
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// (the editor is always the first receiver for KeyDown).
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// It's needed for eg. the engine-dialog at startup or after closing a sesion.
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if (_focused) {
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rounded_function (cr, 1.5, 1.5, get_width() - 3, get_height() - 3, _corner_radius);
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cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.8);
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double dashes = 1;
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cairo_set_dash (cr, &dashes, 1, 0);
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cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
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cairo_set_line_width (cr, 1.0);
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cairo_stroke (cr);
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cairo_set_dash (cr, 0, 0, 0);
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}
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}
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void
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ArdourButton::set_diameter (float d)
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{
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_diameter = (d*2) + 5.0;
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if (_diameter != 0.0) {
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_fixed_diameter = true;
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}
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build_patterns ();
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queue_resize ();
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}
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void
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ArdourButton::set_corner_radius (float r)
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{
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_corner_radius = r;
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set_dirty ();
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}
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void
|
|
ArdourButton::on_size_request (Gtk::Requisition* req)
|
|
{
|
|
int xpad = 0;
|
|
int ypad = 6;
|
|
|
|
CairoWidget::on_size_request (req);
|
|
|
|
if ((_elements & Text) && !_text.empty()) {
|
|
|
|
//calc our real width for our string (but ignore the height, because that results in inconsistent button heights)
|
|
int ignored;
|
|
_layout->get_pixel_size (_text_width, ignored);
|
|
|
|
//calc the height using some text with both ascenders and descenders
|
|
std::string t = _layout->get_text();
|
|
_layout->set_text ("WjgO"); //what we put here probably doesn't matter, as long as its the same for everyone
|
|
_layout->get_pixel_size (ignored, _text_height);
|
|
_layout->set_text (t);
|
|
|
|
if (_text_width + _diameter < 75) {
|
|
xpad = 7;
|
|
} else {
|
|
xpad = 12;
|
|
}
|
|
} else {
|
|
_text_width = 0;
|
|
_text_height = 0;
|
|
}
|
|
|
|
if (_pixbuf) {
|
|
xpad = 6;
|
|
}
|
|
|
|
if ((_elements & Indicator) && _fixed_diameter) {
|
|
if (_pixbuf) {
|
|
req->width = _pixbuf->get_width() + lrint (_diameter) + xpad;
|
|
req->height = max (_pixbuf->get_height(), (int) lrint (_diameter)) + ypad;
|
|
} else {
|
|
req->width = _text_width + lrint (_diameter) + xpad * 2; // margin left+right * 2
|
|
req->height = max (_text_height, (int) lrint (_diameter)) + ypad;
|
|
}
|
|
} else {
|
|
if (_pixbuf) {
|
|
req->width = _pixbuf->get_width() + xpad;
|
|
req->height = _pixbuf->get_height() + ypad;
|
|
} else {
|
|
req->width = _text_width + xpad;
|
|
req->height = _text_height + ypad;
|
|
}
|
|
}
|
|
|
|
if ((_elements & Menu)) {
|
|
req->width += _diameter + 4;
|
|
}
|
|
req->width += _corner_radius;
|
|
}
|
|
|
|
/**
|
|
* This sets the colors used for rendering based on the name of the button, and
|
|
* thus uses information from the GUI config data.
|
|
*/
|
|
void
|
|
ArdourButton::set_colors ()
|
|
{
|
|
if (_fixed_colors_set) {
|
|
return;
|
|
}
|
|
std::string name = get_name();
|
|
|
|
fill_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill active", name));
|
|
fill_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill", name));
|
|
|
|
text_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text active", name));
|
|
text_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text", name));
|
|
|
|
led_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", name));
|
|
led_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led", name));
|
|
}
|
|
/**
|
|
* This sets the colors used for rendering based on two fixed values, rather
|
|
* than basing them on the button name, and thus information in the GUI config
|
|
* data.
|
|
*/
|
|
void ArdourButton::set_fixed_colors (const uint32_t color_active, const uint32_t color_inactive)
|
|
{
|
|
_fixed_colors_set = true;
|
|
|
|
fill_active_color = color_active;
|
|
fill_inactive_color = color_inactive;
|
|
|
|
unsigned char r, g, b, a;
|
|
UINT_TO_RGBA(color_active, &r, &g, &b, &a);
|
|
|
|
double white_contrast = (max (double(r), 255.) - min (double(r), 255.)) +
|
|
(max (double(g), 255.) - min (double(g), 255.)) +
|
|
(max (double(b), 255.) - min (double(b), 255.));
|
|
|
|
double black_contrast = (max (double(r), 0.) - min (double(r), 0.)) +
|
|
(max (double(g), 0.) - min (double(g), 0.)) +
|
|
(max (double(b), 0.) - min (double(b), 0.));
|
|
|
|
text_active_color = (white_contrast > black_contrast) ?
|
|
RGBA_TO_UINT(255, 255, 255, 255) : /* use white */
|
|
RGBA_TO_UINT( 0, 0, 0, 255); /* use black */
|
|
|
|
|
|
UINT_TO_RGBA(color_inactive, &r, &g, &b, &a);
|
|
|
|
white_contrast = (max (double(r), 255.) - min (double(r), 255.)) +
|
|
(max (double(g), 255.) - min (double(g), 255.)) +
|
|
(max (double(b), 255.) - min (double(b), 255.));
|
|
|
|
black_contrast = (max (double(r), 0.) - min (double(r), 0.)) +
|
|
(max (double(g), 0.) - min (double(g), 0.)) +
|
|
(max (double(b), 0.) - min (double(b), 0.));
|
|
|
|
text_inactive_color = (white_contrast > black_contrast) ?
|
|
RGBA_TO_UINT(255, 255, 255, 255) : /* use white */
|
|
RGBA_TO_UINT( 0, 0, 0, 255); /* use black */
|
|
|
|
/* XXX what about led colors ? */
|
|
|
|
build_patterns ();
|
|
set_name (""); /* this will trigger a "style-changed" message and then set_colors() */
|
|
}
|
|
|
|
void
|
|
ArdourButton::build_patterns ()
|
|
{
|
|
if (convex_pattern) {
|
|
cairo_pattern_destroy (convex_pattern);
|
|
convex_pattern = 0;
|
|
}
|
|
|
|
if (concave_pattern) {
|
|
cairo_pattern_destroy (concave_pattern);
|
|
concave_pattern = 0;
|
|
}
|
|
|
|
if (led_inset_pattern) {
|
|
cairo_pattern_destroy (led_inset_pattern);
|
|
}
|
|
|
|
//convex gradient
|
|
convex_pattern = cairo_pattern_create_linear (0.0, 0, 0.0, get_height());
|
|
cairo_pattern_add_color_stop_rgba (convex_pattern, 0.0, 0,0,0, 0.0);
|
|
cairo_pattern_add_color_stop_rgba (convex_pattern, 1.0, 0,0,0, 0.35);
|
|
|
|
//concave gradient
|
|
concave_pattern = cairo_pattern_create_linear (0.0, 0, 0.0, get_height());
|
|
cairo_pattern_add_color_stop_rgba (concave_pattern, 0.0, 0,0,0, 0.5);
|
|
cairo_pattern_add_color_stop_rgba (concave_pattern, 0.7, 0,0,0, 0.0);
|
|
|
|
if (_elements & Indicator) {
|
|
led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
|
|
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
|
|
cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
|
|
}
|
|
|
|
set_dirty ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_led_left (bool yn)
|
|
{
|
|
_led_left = yn;
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_button_press_event (GdkEventButton *ev)
|
|
{
|
|
if ((_elements & Indicator) && _led_rect && _distinct_led_click) {
|
|
if (ev->x >= _led_rect->x && ev->x < _led_rect->x + _led_rect->width &&
|
|
ev->y >= _led_rect->y && ev->y < _led_rect->y + _led_rect->height) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (binding_proxy.button_press_handler (ev)) {
|
|
return true;
|
|
}
|
|
|
|
_grabbed = true;
|
|
queue_draw ();
|
|
|
|
if (!_act_on_release) {
|
|
if (_action) {
|
|
_action->activate ();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (_fallthrough_to_parent)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_button_release_event (GdkEventButton *ev)
|
|
{
|
|
if (_hovering && (_elements & Indicator) && _led_rect && _distinct_led_click) {
|
|
if (ev->x >= _led_rect->x && ev->x < _led_rect->x + _led_rect->width &&
|
|
ev->y >= _led_rect->y && ev->y < _led_rect->y + _led_rect->height) {
|
|
signal_led_clicked(); /* EMIT SIGNAL */
|
|
return true;
|
|
}
|
|
}
|
|
|
|
_grabbed = false;
|
|
queue_draw ();
|
|
|
|
if (_hovering) {
|
|
signal_clicked ();
|
|
if (_act_on_release) {
|
|
if (_action) {
|
|
_action->activate ();
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_fallthrough_to_parent)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_distinct_led_click (bool yn)
|
|
{
|
|
_distinct_led_click = yn;
|
|
setup_led_rect ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::color_handler ()
|
|
{
|
|
set_colors ();
|
|
build_patterns ();
|
|
set_dirty ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::on_size_allocate (Allocation& alloc)
|
|
{
|
|
CairoWidget::on_size_allocate (alloc);
|
|
setup_led_rect ();
|
|
build_patterns ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_controllable (boost::shared_ptr<Controllable> c)
|
|
{
|
|
watch_connection.disconnect ();
|
|
binding_proxy.set_controllable (c);
|
|
}
|
|
|
|
void
|
|
ArdourButton::watch ()
|
|
{
|
|
boost::shared_ptr<Controllable> c (binding_proxy.get_controllable ());
|
|
|
|
if (!c) {
|
|
warning << _("button cannot watch state of non-existing Controllable\n") << endmsg;
|
|
return;
|
|
}
|
|
|
|
c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourButton::controllable_changed, this), gui_context());
|
|
}
|
|
|
|
void
|
|
ArdourButton::controllable_changed ()
|
|
{
|
|
float val = binding_proxy.get_controllable()->get_value();
|
|
|
|
if (fabs (val) >= 0.5f) {
|
|
set_active_state (Gtkmm2ext::ExplicitActive);
|
|
} else {
|
|
unset_active_state ();
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_related_action (RefPtr<Action> act)
|
|
{
|
|
Gtkmm2ext::Activatable::set_related_action (act);
|
|
|
|
if (_action) {
|
|
|
|
action_tooltip_changed ();
|
|
|
|
Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
|
|
if (tact) {
|
|
action_toggled ();
|
|
tact->signal_toggled().connect (sigc::mem_fun (*this, &ArdourButton::action_toggled));
|
|
}
|
|
|
|
_action->connect_property_changed ("sensitive", sigc::mem_fun (*this, &ArdourButton::action_sensitivity_changed));
|
|
_action->connect_property_changed ("visible", sigc::mem_fun (*this, &ArdourButton::action_visibility_changed));
|
|
_action->connect_property_changed ("tooltip", sigc::mem_fun (*this, &ArdourButton::action_tooltip_changed));
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::action_toggled ()
|
|
{
|
|
Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
|
|
|
|
if (tact) {
|
|
if (tact->get_active()) {
|
|
set_active_state (Gtkmm2ext::ExplicitActive);
|
|
} else {
|
|
unset_active_state ();
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::on_style_changed (const RefPtr<Gtk::Style>&)
|
|
{
|
|
set_colors ();
|
|
build_patterns ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::on_name_changed ()
|
|
{
|
|
set_colors ();
|
|
build_patterns ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::setup_led_rect ()
|
|
{
|
|
int text_margin;
|
|
|
|
if (get_width() < 75) {
|
|
text_margin = 3;
|
|
} else {
|
|
text_margin = 10;
|
|
}
|
|
|
|
if (_elements & Indicator) {
|
|
_led_rect = new cairo_rectangle_t;
|
|
|
|
if (_elements & Text) {
|
|
if (_led_left) {
|
|
_led_rect->x = text_margin;
|
|
} else {
|
|
_led_rect->x = get_width() - text_margin - _diameter/2.0;
|
|
}
|
|
} else {
|
|
/* centered */
|
|
_led_rect->x = get_width()/2.0 - _diameter/2.0;
|
|
}
|
|
|
|
_led_rect->y = get_height()/2.0 - _diameter/2.0;
|
|
_led_rect->width = _diameter;
|
|
_led_rect->height = _diameter;
|
|
|
|
} else {
|
|
delete _led_rect;
|
|
_led_rect = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_image (const RefPtr<Gdk::Pixbuf>& img)
|
|
{
|
|
_pixbuf = img;
|
|
queue_draw ();
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_active_state (Gtkmm2ext::ActiveState s)
|
|
{
|
|
bool changed = (_active_state != s);
|
|
CairoWidget::set_active_state (s);
|
|
if (changed) {
|
|
set_colors ();
|
|
build_patterns ();
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_visual_state (Gtkmm2ext::VisualState s)
|
|
{
|
|
bool changed = (_visual_state != s);
|
|
CairoWidget::set_visual_state (s);
|
|
if (changed) {
|
|
set_colors ();
|
|
build_patterns ();
|
|
}
|
|
}
|
|
|
|
|
|
bool
|
|
ArdourButton::on_focus_in_event (GdkEventFocus* ev)
|
|
{
|
|
_focused = true;
|
|
queue_draw ();
|
|
return CairoWidget::on_focus_in_event (ev);
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_focus_out_event (GdkEventFocus* ev)
|
|
{
|
|
_focused = false;
|
|
queue_draw ();
|
|
return CairoWidget::on_focus_out_event (ev);
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_key_release_event (GdkEventKey *ev) {
|
|
if (_focused &&
|
|
(ev->keyval == GDK_KEY_space || ev->keyval == GDK_Return))
|
|
{
|
|
signal_clicked();
|
|
if (_action) {
|
|
_action->activate ();
|
|
}
|
|
return true;
|
|
}
|
|
return CairoWidget::on_key_release_event (ev);
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_enter_notify_event (GdkEventCrossing* ev)
|
|
{
|
|
_hovering = (_elements & Inactive) ? false : true;
|
|
|
|
if (ARDOUR::Config->get_widget_prelight()) {
|
|
queue_draw ();
|
|
}
|
|
|
|
return CairoWidget::on_enter_notify_event (ev);
|
|
}
|
|
|
|
bool
|
|
ArdourButton::on_leave_notify_event (GdkEventCrossing* ev)
|
|
{
|
|
_hovering = false;
|
|
|
|
if (ARDOUR::Config->get_widget_prelight()) {
|
|
queue_draw ();
|
|
}
|
|
|
|
return CairoWidget::on_leave_notify_event (ev);
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_tweaks (Tweaks t)
|
|
{
|
|
if (_tweaks != t) {
|
|
_tweaks = t;
|
|
queue_draw ();
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::action_sensitivity_changed ()
|
|
{
|
|
if (_action->property_sensitive ()) {
|
|
set_visual_state (Gtkmm2ext::VisualState (visual_state() & ~Gtkmm2ext::Insensitive));
|
|
} else {
|
|
set_visual_state (Gtkmm2ext::VisualState (visual_state() | Gtkmm2ext::Insensitive));
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void
|
|
ArdourButton::action_visibility_changed ()
|
|
{
|
|
if (_action->property_visible ()) {
|
|
show ();
|
|
} else {
|
|
hide ();
|
|
}
|
|
}
|
|
|
|
void
|
|
ArdourButton::action_tooltip_changed ()
|
|
{
|
|
string str = _action->property_tooltip().get_value();
|
|
ARDOUR_UI::instance()->set_tip (*this, str);
|
|
}
|
|
|
|
void
|
|
ArdourButton::set_elements (Element e)
|
|
{
|
|
_elements = e;
|
|
}
|
|
|
|
void
|
|
ArdourButton::add_elements (Element e)
|
|
{
|
|
_elements = (ArdourButton::Element) (_elements | e);
|
|
}
|