2 Copyright (C) 2010 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include <pangomm/layout.h>
26 #include "pbd/compose.h"
27 #include "pbd/error.h"
28 #include "pbd/stacktrace.h"
30 #include "gtkmm2ext/utils.h"
31 #include "gtkmm2ext/rgb_macros.h"
32 #include "gtkmm2ext/gui_thread.h"
34 #include "ardour/rc_configuration.h" // for widget prelight preference
36 #include "canvas/utils.h"
38 #include "ardour_button.h"
39 #include "ardour_ui.h"
40 #include "global_signals.h"
44 #define REFLECTION_HEIGHT 2
54 ArdourButton::Element ArdourButton::default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Text);
55 ArdourButton::Element ArdourButton::led_default_elements = ArdourButton::Element (ArdourButton::default_elements|ArdourButton::Indicator);
56 ArdourButton::Element ArdourButton::just_led_default_elements = ArdourButton::Element (ArdourButton::Edge|ArdourButton::Body|ArdourButton::Indicator);
58 ArdourButton::ArdourButton (Element e)
60 , _tweaks (Tweaks (0))
61 , _char_pixel_width (0)
62 , _char_pixel_height (0)
66 , _corner_radius (2.5)
71 , fill_inactive_color (0)
72 , fill_active_color (0)
73 , text_active_color(0)
74 , text_inactive_color(0)
76 , led_inactive_color(0)
79 , led_inset_pattern (0)
81 , _act_on_release (true)
83 , _fixed_diameter (true)
84 , _distinct_led_click (false)
87 , _fixed_colors_set (false)
88 , _fallthrough_to_parent (false)
90 ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourButton::color_handler));
93 ArdourButton::ArdourButton (const std::string& str, Element e)
95 , _tweaks (Tweaks (0))
99 , _corner_radius (2.5)
104 , fill_inactive_color (0)
105 , fill_active_color (0)
106 , text_active_color(0)
107 , text_inactive_color(0)
108 , led_active_color(0)
109 , led_inactive_color(0)
111 , concave_pattern (0)
112 , led_inset_pattern (0)
114 , _act_on_release (true)
116 , _fixed_diameter (true)
117 , _distinct_led_click (false)
120 , _fixed_colors_set (false)
125 ArdourButton::~ArdourButton()
129 if (convex_pattern) {
130 cairo_pattern_destroy (convex_pattern);
133 if (concave_pattern) {
134 cairo_pattern_destroy (concave_pattern);
137 if (led_inset_pattern) {
138 cairo_pattern_destroy (led_inset_pattern);
144 ArdourButton::set_text (const std::string& str)
148 if (!_layout && !_text.empty()) {
149 _layout = Pango::Layout::create (get_pango_context());
153 _layout->set_text (str);
160 ArdourButton::set_markup (const std::string& str)
165 _layout = Pango::Layout::create (get_pango_context());
168 _layout->set_markup (str);
173 ArdourButton::set_angle (const double angle)
179 ArdourButton::set_alignment (const float xa, const float ya)
186 ArdourButton::render (cairo_t* cr, cairo_rectangle_t *)
190 if ( active_state() == Gtkmm2ext::ExplicitActive ) {
191 text_color = text_active_color;
192 led_color = led_active_color;
194 text_color = text_inactive_color;
195 led_color = led_inactive_color;
198 void (*rounded_function)(cairo_t*, double, double, double, double, double);
200 switch (_corner_mask) {
201 case 0x1: /* upper left only */
202 rounded_function = Gtkmm2ext::rounded_top_left_rectangle;
204 case 0x2: /* upper right only */
205 rounded_function = Gtkmm2ext::rounded_top_right_rectangle;
207 case 0x3: /* upper only */
208 rounded_function = Gtkmm2ext::rounded_top_rectangle;
210 /* should really have functions for lower right, lower left,
211 lower only, but for now, we don't
214 rounded_function = Gtkmm2ext::rounded_rectangle;
217 if (!_fixed_diameter) {
218 _diameter = std::min (get_width(), get_height());
221 // draw edge (filling a rect underneath, rather than stroking a border on top, allows the corners to be lighter-weight.
222 if ((_elements & (Body|Edge)) == (Body|Edge)) {
223 rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius + 1.5);
224 cairo_set_source_rgba (cr, 0, 0, 0, 1);
229 if ((_elements & Body)==Body) {
230 rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
231 if (active_state() == Gtkmm2ext::ImplicitActive && !((_elements & Indicator)==Indicator)) {
232 ArdourCanvas::set_source_rgba (cr, fill_inactive_color);
234 } else if ( (active_state() == Gtkmm2ext::ExplicitActive) && !((_elements & Indicator)==Indicator) ) {
236 ArdourCanvas::set_source_rgba (cr, fill_active_color);
238 } else { //inactive, or it has an indicator
240 ArdourCanvas::set_source_rgba (cr, fill_inactive_color);
245 // IMPLICIT ACTIVE: draw a border of the active color
246 if ((_elements & Body)==Body) {
247 if (active_state() == Gtkmm2ext::ImplicitActive && !((_elements & Indicator)==Indicator)) {
248 cairo_set_line_width (cr, 2.0);
249 rounded_function (cr, 2, 2, get_width() - 4, get_height() - 4, _corner_radius);
250 ArdourCanvas::set_source_rgba (cr, fill_active_color);
255 //show the "convex" or "concave" gradient
256 if (!_flat_buttons) {
257 if ( active_state() == Gtkmm2ext::ExplicitActive && !((_elements & Indicator)==Indicator) ) {
259 cairo_set_source (cr, concave_pattern);
260 Gtkmm2ext::rounded_rectangle (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
263 cairo_set_source (cr, convex_pattern);
264 Gtkmm2ext::rounded_rectangle (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
273 x = (get_width() - _pixbuf->get_width())/2.0;
274 y = (get_height() - _pixbuf->get_height())/2.0;
276 //if this is a DropDown with an icon, then we need to
277 //move the icon left slightly to accomomodate the arrow
278 if (((_elements & Menu)==Menu)) {
280 cairo_translate (cr, -8,0 );
283 cairo_rectangle (cr, x, y, _pixbuf->get_width(), _pixbuf->get_height());
284 gdk_cairo_set_source_pixbuf (cr, _pixbuf->gobj(), x, y);
287 //..and then return to our previous drawing position
288 if (((_elements & Menu)==Menu)) {
292 else // rec-en is exclusive to pixbuf (tape machine mode, rec-en)
293 if ((_elements & (RecButton|RecTapeMode)) == (RecButton|RecTapeMode)) {
294 const double x = get_width() * .5;
295 const double y = get_height() * .5;
296 const double r = std::min(10., std::min(x, y) * .6); // TODO we need a better way to limit max. radius.
297 const double slit = .11 * M_PI;
299 cairo_translate(cr, x, y);
301 cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
302 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
303 cairo_fill_preserve(cr);
304 cairo_set_source_rgba (cr, .0, .0, .0, .5);
305 cairo_set_line_width(cr, 1);
309 cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
311 cairo_rotate (cr, -.5 * M_PI);
312 cairo_move_to(cr, 0, 0);
313 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
314 cairo_line_to(cr, 0, 0);
315 cairo_close_path(cr);
318 cairo_rotate (cr, 2. * M_PI / 3.);
320 cairo_move_to(cr, 0, 0);
321 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
322 cairo_line_to(cr, 0, 0);
323 cairo_close_path(cr);
326 cairo_rotate (cr, 2. * M_PI / 3.);
327 cairo_move_to(cr, 0, 0);
328 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
329 cairo_line_to(cr, 0, 0);
330 cairo_close_path(cr);
335 cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
336 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
338 cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
339 cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
344 else if (_elements & RecButton) {
345 const double x = get_width() * .5;
346 const double y = get_height() * .5;
347 const double r = std::min(10., std::min(x, y) * .55); // TODO we need a better way to limit max. radius.
348 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
349 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
350 cairo_fill_preserve(cr);
351 cairo_set_source_rgba (cr, .0, .0, .0, .5);
352 cairo_set_line_width(cr, 1);
357 if (get_width() < 75 || (_elements & Menu) ) {
364 if ( !_pixbuf && ((_elements & Text)==Text) && !_text.empty()) {
367 cairo_rectangle (cr, 2, 1, get_width()-4, get_height()-2);
371 ArdourCanvas::set_source_rgba (cr, text_color);
373 if ( (_elements & Menu) == Menu) {
374 cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0));
375 pango_cairo_show_layout (cr, _layout->gobj());
376 } else if ( (_elements & Indicator) == Indicator) {
378 cairo_move_to (cr, rint(text_margin + _diameter + 4), rint((get_height() - _text_height)/2.0));
380 cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0));
382 pango_cairo_show_layout (cr, _layout->gobj());
390 cairo_save (cr); // TODO retain rotataion.. adj. LED,...
391 cairo_rotate(cr, _angle * M_PI / 180.0);
392 cairo_device_to_user(cr, &ww, &wh);
393 xa = (ww - _text_width) * _xalign;
394 ya = (wh - _text_height) * _yalign;
396 /* quick hack for left/bottom alignment at -90deg
397 * TODO this should be generalized incl rotation.
398 * currently only 'user' of this API is meter_strip.cc
400 if (_xalign < 0) xa = (ww * fabs(_xalign) + text_margin);
402 // TODO honor left/right text_margin with min/max()
404 cairo_move_to (cr, rint(.5 + xa), rint(ya));
405 pango_cairo_update_layout(cr, _layout->gobj());
406 pango_cairo_show_layout (cr, _layout->gobj());
413 if (((_elements & Menu)==Menu)) {
414 const float trih = ceil(_diameter/2.0);
415 const float triw2 = ceil(.577 * _diameter/2.0); // 1/sqrt(3) Equilateral triangle
417 cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
418 cairo_move_to(cr, get_width() - triw2 - 3. , rint((get_height() + trih) / 2.0));
419 cairo_rel_line_to(cr, -triw2, -trih);
420 cairo_rel_line_to(cr, 2. * triw2, 0);
421 cairo_close_path(cr);
423 cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
426 cairo_move_to(cr, get_width() - triw2 - 3 , rint((get_height() + trih) / 2.0));
427 cairo_rel_line_to(cr, .5 - triw2, .5 - trih);
428 cairo_rel_line_to(cr, 2. * triw2 - 1, 0);
429 cairo_close_path(cr);
430 cairo_set_source_rgba (cr, 0, 0, 0, 0.8);
431 cairo_set_line_width(cr, 1);
436 if (((_elements & Indicator)==Indicator)) {
438 /* move to the center of the indicator/led */
442 if (_elements & Text) {
444 cairo_translate (cr, text_margin + (_diameter/2.0), get_height()/2.0);
446 cairo_translate (cr, get_width() - ((_diameter/2.0) + 4.0), get_height()/2.0);
449 cairo_translate (cr, get_width()/2.0, get_height()/2.0);
453 if (!_flat_buttons) {
454 cairo_arc (cr, 0, 0, _diameter/2, 0, 2 * M_PI);
455 cairo_set_source (cr, led_inset_pattern);
460 cairo_set_source_rgb (cr, 0, 0, 0);
461 cairo_arc (cr, 0, 0, _diameter/2-1, 0, 2 * M_PI);
465 ArdourCanvas::set_source_rgba (cr, led_color);
466 cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI);
473 // a transparent gray layer to indicate insensitivity
474 if ((visual_state() & Gtkmm2ext::Insensitive)) {
475 rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
476 cairo_set_source_rgba (cr, 0.505, 0.517, 0.525, 0.6);
480 // if requested, show hovering
481 if (ARDOUR::Config->get_widget_prelight()
482 && !((visual_state() & Gtkmm2ext::Insensitive))) {
484 rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
485 cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.2);
490 //user is currently pressing the button. black outline helps to indicate this
491 if ( _grabbed && !(_elements & (Inactive|Menu))) {
492 rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
493 cairo_set_line_width(cr, 2);
494 cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, .5); // XXX no longer 'black'
498 //some buttons (like processor boxes) can be selected (so they can be deleted). Draw a selection indicator
499 if (visual_state() & Gtkmm2ext::Selected) {
500 #if 0 // outline, edge + 1px outside
501 cairo_set_line_width(cr, 2);
502 cairo_set_source_rgba (cr, 1, 0, 0, 0.8);
503 #else // replace edge (if any)
504 cairo_set_line_width(cr, 1);
505 cairo_set_source_rgba (cr, 1, 0, 0, 0.8);
507 rounded_function (cr, 0.5, 0.5, get_width() - 1, get_height() - 1, _corner_radius);
511 //I guess this means we have keyboard focus. I don't think this works currently
513 //A: yes, it's keyboard focus and it does work when there's no editor window
514 // (the editor is always the first receiver for KeyDown).
515 // It's needed for eg. the engine-dialog at startup or after closing a sesion.
517 rounded_function (cr, 1.5, 1.5, get_width() - 3, get_height() - 3, _corner_radius);
518 cairo_set_source_rgba (cr, 0.905, 0.917, 0.925, 0.8);
520 cairo_set_dash (cr, &dashes, 1, 0);
521 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
522 cairo_set_line_width (cr, 1.0);
524 cairo_set_dash (cr, 0, 0, 0);
529 ArdourButton::set_diameter (float d)
531 _diameter = (d*2) + 5.0;
533 if (_diameter != 0.0) {
534 _fixed_diameter = true;
542 ArdourButton::set_corner_radius (float r)
549 ArdourButton::on_size_request (Gtk::Requisition* req)
554 CairoWidget::on_size_request (req);
556 if ((_elements & Text) && !_text.empty()) {
558 //calc our real width for our string (but ignore the height, because that results in inconsistent button heights)
560 _layout->get_pixel_size (_text_width, ignored);
561 _text_height = char_pixel_height ();
563 if (_text_width + _diameter < 75) {
573 if ((_elements & RecButton) || _pixbuf) {
577 if ((_elements & Indicator) && _fixed_diameter) {
579 req->width = _pixbuf->get_width() + lrint (_diameter) + xpad;
580 req->height = max (_pixbuf->get_height(), (int) lrint (_diameter)) + ypad;
582 req->width = _text_width + lrint (_diameter) + xpad * 2; // margin left+right * 2
583 req->height = max (_text_height, (int) lrint (_diameter)) + ypad;
587 req->width = _pixbuf->get_width() + xpad;
588 req->height = _pixbuf->get_height() + ypad;
590 req->width = _text_width + xpad;
591 req->height = _text_height + ypad;
595 if ((_elements & Menu)) {
596 req->width += _diameter + 4;
599 if ((_elements & RecButton) && !_pixbuf) {
600 assert(!(_elements & Text));
601 req->width += std::max(char_pixel_width(), char_pixel_height());
602 req->height += std::max(char_pixel_width(), char_pixel_height());
605 req->width += _corner_radius;
606 req->height += _corner_radius;
608 if ((_tweaks & Square)==Square) {
609 if (req->width < req->height)
610 req->width = req->height;
611 if (req->height < req->width)
612 req->height = req->width;
617 * This sets the colors used for rendering based on the name of the button, and
618 * thus uses information from the GUI config data.
621 ArdourButton::set_colors ()
623 if (_fixed_colors_set) {
626 std::string name = get_name();
628 fill_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill active", name));
629 fill_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: fill", name));
631 text_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text active", name));
632 text_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: text", name));
634 led_active_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led active", name));
635 led_inactive_color = ARDOUR_UI::config()->color_by_name (string_compose ("%1: led", name));
638 * This sets the colors used for rendering based on two fixed values, rather
639 * than basing them on the button name, and thus information in the GUI config
642 void ArdourButton::set_fixed_colors (const uint32_t color_active, const uint32_t color_inactive)
644 _fixed_colors_set = true;
646 fill_active_color = color_active;
647 fill_inactive_color = color_inactive;
649 unsigned char r, g, b, a;
650 UINT_TO_RGBA(color_active, &r, &g, &b, &a);
652 double white_contrast = (max (double(r), 255.) - min (double(r), 255.)) +
653 (max (double(g), 255.) - min (double(g), 255.)) +
654 (max (double(b), 255.) - min (double(b), 255.));
656 double black_contrast = (max (double(r), 0.) - min (double(r), 0.)) +
657 (max (double(g), 0.) - min (double(g), 0.)) +
658 (max (double(b), 0.) - min (double(b), 0.));
660 text_active_color = (white_contrast > black_contrast) ?
661 RGBA_TO_UINT(255, 255, 255, 255) : /* use white */
662 RGBA_TO_UINT( 0, 0, 0, 255); /* use black */
665 UINT_TO_RGBA(color_inactive, &r, &g, &b, &a);
667 white_contrast = (max (double(r), 255.) - min (double(r), 255.)) +
668 (max (double(g), 255.) - min (double(g), 255.)) +
669 (max (double(b), 255.) - min (double(b), 255.));
671 black_contrast = (max (double(r), 0.) - min (double(r), 0.)) +
672 (max (double(g), 0.) - min (double(g), 0.)) +
673 (max (double(b), 0.) - min (double(b), 0.));
675 text_inactive_color = (white_contrast > black_contrast) ?
676 RGBA_TO_UINT(255, 255, 255, 255) : /* use white */
677 RGBA_TO_UINT( 0, 0, 0, 255); /* use black */
679 /* XXX what about led colors ? */
682 set_name (""); /* this will trigger a "style-changed" message and then set_colors() */
686 ArdourButton::build_patterns ()
688 if (convex_pattern) {
689 cairo_pattern_destroy (convex_pattern);
693 if (concave_pattern) {
694 cairo_pattern_destroy (concave_pattern);
698 if (led_inset_pattern) {
699 cairo_pattern_destroy (led_inset_pattern);
703 convex_pattern = cairo_pattern_create_linear (0.0, 0, 0.0, get_height());
704 cairo_pattern_add_color_stop_rgba (convex_pattern, 0.0, 0,0,0, 0.0);
705 cairo_pattern_add_color_stop_rgba (convex_pattern, 1.0, 0,0,0, 0.35);
708 concave_pattern = cairo_pattern_create_linear (0.0, 0, 0.0, get_height());
709 cairo_pattern_add_color_stop_rgba (concave_pattern, 0.0, 0,0,0, 0.5);
710 cairo_pattern_add_color_stop_rgba (concave_pattern, 0.7, 0,0,0, 0.0);
712 if (_elements & Indicator) {
713 led_inset_pattern = cairo_pattern_create_linear (0.0, 0.0, 0.0, _diameter);
714 cairo_pattern_add_color_stop_rgba (led_inset_pattern, 0, 0,0,0, 0.4);
715 cairo_pattern_add_color_stop_rgba (led_inset_pattern, 1, 1,1,1, 0.7);
722 ArdourButton::set_led_left (bool yn)
728 ArdourButton::on_button_press_event (GdkEventButton *ev)
730 if ((_elements & Indicator) && _led_rect && _distinct_led_click) {
731 if (ev->x >= _led_rect->x && ev->x < _led_rect->x + _led_rect->width &&
732 ev->y >= _led_rect->y && ev->y < _led_rect->y + _led_rect->height) {
737 if (binding_proxy.button_press_handler (ev)) {
744 if (!_act_on_release) {
746 _action->activate ();
751 if (_fallthrough_to_parent)
758 ArdourButton::on_button_release_event (GdkEventButton *ev)
760 if (_hovering && (_elements & Indicator) && _led_rect && _distinct_led_click) {
761 if (ev->x >= _led_rect->x && ev->x < _led_rect->x + _led_rect->width &&
762 ev->y >= _led_rect->y && ev->y < _led_rect->y + _led_rect->height) {
763 signal_led_clicked(); /* EMIT SIGNAL */
773 if (_act_on_release) {
775 _action->activate ();
781 if (_fallthrough_to_parent)
788 ArdourButton::set_distinct_led_click (bool yn)
790 _distinct_led_click = yn;
795 ArdourButton::color_handler ()
803 ArdourButton::on_size_allocate (Allocation& alloc)
805 CairoWidget::on_size_allocate (alloc);
811 ArdourButton::set_controllable (boost::shared_ptr<Controllable> c)
813 watch_connection.disconnect ();
814 binding_proxy.set_controllable (c);
818 ArdourButton::watch ()
820 boost::shared_ptr<Controllable> c (binding_proxy.get_controllable ());
823 warning << _("button cannot watch state of non-existing Controllable\n") << endmsg;
827 c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourButton::controllable_changed, this), gui_context());
831 ArdourButton::controllable_changed ()
833 float val = binding_proxy.get_controllable()->get_value();
835 if (fabs (val) >= 0.5f) {
836 set_active_state (Gtkmm2ext::ExplicitActive);
838 unset_active_state ();
843 ArdourButton::set_related_action (RefPtr<Action> act)
845 Gtkmm2ext::Activatable::set_related_action (act);
849 action_tooltip_changed ();
851 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
854 tact->signal_toggled().connect (sigc::mem_fun (*this, &ArdourButton::action_toggled));
857 _action->connect_property_changed ("sensitive", sigc::mem_fun (*this, &ArdourButton::action_sensitivity_changed));
858 _action->connect_property_changed ("visible", sigc::mem_fun (*this, &ArdourButton::action_visibility_changed));
859 _action->connect_property_changed ("tooltip", sigc::mem_fun (*this, &ArdourButton::action_tooltip_changed));
864 ArdourButton::action_toggled ()
866 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (_action);
869 if (tact->get_active()) {
870 set_active_state (Gtkmm2ext::ExplicitActive);
872 unset_active_state ();
878 ArdourButton::on_style_changed (const RefPtr<Gtk::Style>&)
884 ArdourButton::on_name_changed ()
886 _char_pixel_width = 0;
887 _char_pixel_height = 0;
893 ArdourButton::setup_led_rect ()
897 if (get_width() < 75) {
903 if (_elements & Indicator) {
904 _led_rect = new cairo_rectangle_t;
906 if (_elements & Text) {
908 _led_rect->x = text_margin;
910 _led_rect->x = get_width() - text_margin - _diameter/2.0;
914 _led_rect->x = get_width()/2.0 - _diameter/2.0;
917 _led_rect->y = get_height()/2.0 - _diameter/2.0;
918 _led_rect->width = _diameter;
919 _led_rect->height = _diameter;
928 ArdourButton::set_image (const RefPtr<Gdk::Pixbuf>& img)
935 ArdourButton::set_active_state (Gtkmm2ext::ActiveState s)
937 bool changed = (_active_state != s);
938 CairoWidget::set_active_state (s);
946 ArdourButton::set_visual_state (Gtkmm2ext::VisualState s)
948 bool changed = (_visual_state != s);
949 CairoWidget::set_visual_state (s);
958 ArdourButton::on_focus_in_event (GdkEventFocus* ev)
962 return CairoWidget::on_focus_in_event (ev);
966 ArdourButton::on_focus_out_event (GdkEventFocus* ev)
970 return CairoWidget::on_focus_out_event (ev);
974 ArdourButton::on_key_release_event (GdkEventKey *ev) {
976 (ev->keyval == GDK_KEY_space || ev->keyval == GDK_Return))
980 _action->activate ();
984 return CairoWidget::on_key_release_event (ev);
988 ArdourButton::on_enter_notify_event (GdkEventCrossing* ev)
990 _hovering = (_elements & Inactive) ? false : true;
992 if (ARDOUR::Config->get_widget_prelight()) {
996 return CairoWidget::on_enter_notify_event (ev);
1000 ArdourButton::on_leave_notify_event (GdkEventCrossing* ev)
1004 if (ARDOUR::Config->get_widget_prelight()) {
1008 return CairoWidget::on_leave_notify_event (ev);
1012 ArdourButton::set_tweaks (Tweaks t)
1021 ArdourButton::action_sensitivity_changed ()
1023 if (_action->property_sensitive ()) {
1024 set_visual_state (Gtkmm2ext::VisualState (visual_state() & ~Gtkmm2ext::Insensitive));
1026 set_visual_state (Gtkmm2ext::VisualState (visual_state() | Gtkmm2ext::Insensitive));
1032 ArdourButton::recalc_char_pixel_geometry ()
1034 if (_char_pixel_height > 0 && _char_pixel_width > 0) {
1038 _layout = Pango::Layout::create (get_pango_context());
1040 // NB. this is not static, since the geometry is different
1041 // depending on the font used.
1043 std::string t = _layout->get_text();
1044 std::string x = _("ABCDEFGHIJLKMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
1045 _layout->set_text (x);
1046 _layout->get_pixel_size (w, h);
1047 _layout->set_text (t);
1048 _char_pixel_height = std::max(4, h);
1049 // number of actual chars in the string (not bytes)
1050 // Glib to the rescue.
1051 Glib::ustring gx(x);
1052 _char_pixel_width = std::max(4, w / (int)gx.size());
1056 ArdourButton::action_visibility_changed ()
1058 if (_action->property_visible ()) {
1066 ArdourButton::action_tooltip_changed ()
1068 string str = _action->property_tooltip().get_value();
1069 ARDOUR_UI::instance()->set_tip (*this, str);
1073 ArdourButton::set_elements (Element e)
1079 ArdourButton::add_elements (Element e)
1081 _elements = (ArdourButton::Element) (_elements | e);