X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fardour_button.cc;h=bd64d067e3b12c7f7ca72b4ab317fbf2abd0d62c;hb=8bc872614eb7ab1f2c7619f25ed1db050d2469eb;hp=034f1fc665e28711794bff4b147f9c82baf6c314;hpb=0ea1238479c9692a2b212cc226b783dce4f1e3c6;p=ardour.git diff --git a/gtk2_ardour/ardour_button.cc b/gtk2_ardour/ardour_button.cc index 034f1fc665..bd64d067e3 100644 --- a/gtk2_ardour/ardour_button.cc +++ b/gtk2_ardour/ardour_button.cc @@ -41,7 +41,7 @@ #include "i18n.h" -#define REFLECTION_HEIGHT 2 +#define BASELINESTRETCH (1.25) using namespace Gdk; using namespace Gtk; @@ -62,7 +62,7 @@ ArdourButton::ArdourButton (Element e) , _char_pixel_height (0) , _text_width (0) , _text_height (0) - , _diameter (11.0) + , _diameter (0) , _corner_radius (2.5) , _corner_mask (0xf) , _angle(0) @@ -80,12 +80,15 @@ ArdourButton::ArdourButton (Element e) , _led_rect (0) , _act_on_release (true) , _led_left (false) - , _fixed_diameter (true) , _distinct_led_click (false) , _hovering (false) , _focused (false) , _fixed_colors_set (false) , _fallthrough_to_parent (false) + , _layout_ellipsize_width (-1) + , _ellipsis (Pango::ELLIPSIZE_NONE) + , _update_colors (true) + , _pattern_height (0) { ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourButton::color_handler)); } @@ -95,7 +98,7 @@ ArdourButton::ArdourButton (const std::string& str, Element e) , _tweaks (Tweaks (0)) , _text_width (0) , _text_height (0) - , _diameter (11.0) + , _diameter (0) , _corner_radius (2.5) , _corner_mask (0xf) , _angle(0) @@ -113,13 +116,18 @@ ArdourButton::ArdourButton (const std::string& str, Element e) , _led_rect (0) , _act_on_release (true) , _led_left (false) - , _fixed_diameter (true) , _distinct_led_click (false) , _hovering (false) , _focused (false) , _fixed_colors_set (false) + , _fallthrough_to_parent (false) + , _layout_ellipsize_width (-1) + , _ellipsis (Pango::ELLIPSIZE_NONE) + , _update_colors (true) + , _pattern_height (0) { set_text (str); + ARDOUR_UI_UTILS::ColorsChanged.connect (sigc::mem_fun (*this, &ArdourButton::color_handler)); } ArdourButton::~ArdourButton() @@ -129,44 +137,28 @@ ArdourButton::~ArdourButton() if (convex_pattern) { cairo_pattern_destroy (convex_pattern); } - + if (concave_pattern) { cairo_pattern_destroy (concave_pattern); } - + if (led_inset_pattern) { cairo_pattern_destroy (led_inset_pattern); } - } void ArdourButton::set_text (const std::string& str) { _text = str; - - if (!_layout && !_text.empty()) { - _layout = Pango::Layout::create (get_pango_context()); - } - - if (_layout) { - _layout->set_text (str); + if (!is_realized()) { + return; + } + ensure_layout (); + if (_layout && _layout->get_text() != _text) { + _layout->set_text (_text); + queue_resize (); } - - queue_resize (); -} - -void -ArdourButton::set_markup (const std::string& str) -{ - _text = str; - - if (!_layout) { - _layout = Pango::Layout::create (get_pango_context()); - } - - _layout->set_markup (str); - queue_resize (); } void @@ -187,6 +179,14 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) { uint32_t text_color; uint32_t led_color; + + if (_update_colors) { + set_colors (); + } + if (get_height() != _pattern_height) { + build_patterns (); + } + if ( active_state() == Gtkmm2ext::ExplicitActive ) { text_color = text_active_color; led_color = led_active_color; @@ -194,7 +194,7 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) text_color = text_inactive_color; led_color = led_inactive_color; } - + void (*rounded_function)(cairo_t*, double, double, double, double, double); switch (_corner_mask) { @@ -214,10 +214,6 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) rounded_function = Gtkmm2ext::rounded_rectangle; } - if (!_fixed_diameter) { - _diameter = std::min (get_width(), get_height()); - } - // draw edge (filling a rect underneath, rather than stroking a border on top, allows the corners to be lighter-weight. if ((_elements & (Body|Edge)) == (Body|Edge)) { rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius + 1.5); @@ -246,7 +242,7 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) if ((_elements & Body)==Body) { if (active_state() == Gtkmm2ext::ImplicitActive && !((_elements & Indicator)==Indicator)) { cairo_set_line_width (cr, 2.0); - rounded_function (cr, 2, 2, get_width() - 4, get_height() - 4, _corner_radius); + rounded_function (cr, 2, 2, get_width() - 4, get_height() - 4, _corner_radius-0.5); ArdourCanvas::set_source_rgba (cr, fill_active_color); cairo_stroke (cr); } @@ -268,38 +264,32 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) //Pixbuf, if any if (_pixbuf) { + double x = rint((get_width() - _pixbuf->get_width()) * .5); + const double y = rint((get_height() - _pixbuf->get_height()) * .5); - double x,y; - x = (get_width() - _pixbuf->get_width())/2.0; - y = (get_height() - _pixbuf->get_height())/2.0; - - //if this is a DropDown with an icon, then we need to - //move the icon left slightly to accomomodate the arrow - if (((_elements & Menu)==Menu)) { - cairo_save (cr); - cairo_translate (cr, -8,0 ); + if (_elements & Menu) { + //if this is a DropDown with an icon, then we need to + //move the icon left slightly to accomomodate the arrow + x -= _diameter - 2; } - cairo_rectangle (cr, x, y, _pixbuf->get_width(), _pixbuf->get_height()); gdk_cairo_set_source_pixbuf (cr, _pixbuf->gobj(), x, y); cairo_fill (cr); - - //..and then return to our previous drawing position - if (((_elements & Menu)==Menu)) { - cairo_restore (cr); - } } else // rec-en is exclusive to pixbuf (tape machine mode, rec-en) if ((_elements & (RecButton|RecTapeMode)) == (RecButton|RecTapeMode)) { - const double h = get_height(); const double x = get_width() * .5; const double y = get_height() * .5; + const double r = std::min(10., std::min(x, y) * .6); // TODO we need a better way to limit max. radius. const double slit = .11 * M_PI; cairo_save(cr); cairo_translate(cr, x, y); - cairo_arc (cr, 0, 0, y *.6, 0, 2 * M_PI); - cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f + cairo_arc (cr, 0, 0, r, 0, 2 * M_PI); + if (active_state() == Gtkmm2ext::ExplicitActive) + cairo_set_source_rgba (cr, .95, .1, .1, 1.); + else + cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f cairo_fill_preserve(cr); cairo_set_source_rgba (cr, .0, .0, .0, .5); cairo_set_line_width(cr, 1); @@ -310,7 +300,7 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) cairo_rotate (cr, -.5 * M_PI); cairo_move_to(cr, 0, 0); - cairo_arc (cr, 0, 0, h *.25, -slit, slit); + cairo_arc (cr, 0, 0, r *.85, -slit, slit); cairo_line_to(cr, 0, 0); cairo_close_path(cr); @@ -318,25 +308,28 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) cairo_rotate (cr, 2. * M_PI / 3.); cairo_move_to(cr, 0, 0); - cairo_arc (cr, 0, 0, h *.25, -slit, slit); + cairo_arc (cr, 0, 0, r *.85, -slit, slit); cairo_line_to(cr, 0, 0); cairo_close_path(cr); cairo_fill(cr); cairo_rotate (cr, 2. * M_PI / 3.); cairo_move_to(cr, 0, 0); - cairo_arc (cr, 0, 0, h *.25, -slit, slit); + cairo_arc (cr, 0, 0, r *.85, -slit, slit); cairo_line_to(cr, 0, 0); cairo_close_path(cr); cairo_fill(cr); cairo_restore(cr); - cairo_arc (cr, 0, 0, h * .09, 0, 2 * M_PI); - cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f + cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI); + if (active_state() == Gtkmm2ext::ExplicitActive) + cairo_set_source_rgba (cr, .95, .1, .1, 1.); + else + cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f cairo_fill(cr); cairo_set_source_rgba (cr, .0, .0, .0, 1.0); - cairo_arc (cr, 0, 0, h *.05, 0, 2 * M_PI); // hole in the middle + cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle cairo_fill(cr); cairo_restore(cr); @@ -344,49 +337,81 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) else if (_elements & RecButton) { const double x = get_width() * .5; const double y = get_height() * .5; - cairo_arc (cr, x, y, y *.55, 0, 2 * M_PI); - cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f + const double r = std::min(10., std::min(x, y) * .55); // TODO we need a better way to limit max. radius. + cairo_arc (cr, x, y, r, 0, 2 * M_PI); + if (active_state() == Gtkmm2ext::ExplicitActive) + cairo_set_source_rgba (cr, .95, .1, .1, 1.); + else + cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f cairo_fill_preserve(cr); - cairo_set_source_rgba (cr, .0, .0, .0, .5); + cairo_set_source_rgba (cr, .0, .0, .0, .8); cairo_set_line_width(cr, 1); cairo_stroke(cr); } - - int text_margin; - if (get_width() < 75 || (_elements & Menu) ) { - text_margin = 5; - } else { - text_margin = 10; + else if (_elements & CloseCross) { + const double x = get_width() * .5; + const double y = get_height() * .5; + const double o = .5 + std::min(x, y) * .4; + ArdourCanvas::set_source_rgba (cr, text_color); + cairo_set_line_width(cr, 1); + cairo_move_to(cr, x-o, y-o); + cairo_line_to(cr, x+o, y+o); + cairo_move_to(cr, x+o, y-o); + cairo_line_to(cr, x-o, y+o); + cairo_stroke(cr); } + const int text_margin = char_pixel_width(); // Text, if any - if ( !_pixbuf && ((_elements & Text)==Text) && !_text.empty()) { + if (!_pixbuf && ((_elements & Text)==Text) && !_text.empty()) { + assert(_layout); +#if 0 // DEBUG style (print on hover) + if (_hovering) { + bool layout_font = true; + Pango::FontDescription fd = _layout->get_font_description(); + if (fd.gobj() == NULL) { + layout_font = false; + fd = get_pango_context()->get_font_description(); + } + printf("%s: f:%dx%d bh:%.0f tw:%d (%dx%d) %s\"%s\"\n", + get_name().c_str(), + char_pixel_width(), char_pixel_height(), + ceil(char_pixel_height() * BASELINESTRETCH), + _text_width, + get_width(), get_height(), + layout_font ? "L:" : "W:", + fd.to_string().c_str()); + } +#endif cairo_save (cr); - cairo_rectangle (cr, 2, 1, get_width()-4, get_height()-2); + cairo_rectangle (cr, 2, 1, get_width() - 4, get_height() - 2); cairo_clip(cr); - cairo_new_path (cr); + cairo_new_path (cr); ArdourCanvas::set_source_rgba (cr, text_color); + const double text_ypos = (get_height() - _text_height) * .5; - if ( (_elements & Menu) == Menu) { - cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0)); + if (_elements & Menu) { + // always left align (dropdown) + cairo_move_to (cr, text_margin, text_ypos); pango_cairo_show_layout (cr, _layout->gobj()); } else if ( (_elements & Indicator) == Indicator) { + // left/right align depending on LED position if (_led_left) { - cairo_move_to (cr, rint(text_margin + _diameter + 4), rint((get_height() - _text_height)/2.0)); + cairo_move_to (cr, text_margin + _diameter + .5 * char_pixel_width(), text_ypos); } else { - cairo_move_to (cr, rint(text_margin), rint((get_height() - _text_height)/2.0)); + cairo_move_to (cr, text_margin, text_ypos); } pango_cairo_show_layout (cr, _layout->gobj()); } else { - /* align text */ - + /* centered text otherwise */ double ww, wh; double xa, ya; ww = get_width(); wh = get_height(); - cairo_save (cr); // TODO retain rotataion.. adj. LED,... + + cairo_save (cr); cairo_rotate(cr, _angle * M_PI / 180.0); cairo_device_to_user(cr, &ww, &wh); xa = (ww - _text_width) * _xalign; @@ -396,11 +421,9 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) * TODO this should be generalized incl rotation. * currently only 'user' of this API is meter_strip.cc */ - if (_xalign < 0) xa = (ww * fabs(_xalign) + text_margin); + if (_xalign < 0) xa = ceil(.5 + (ww * fabs(_xalign) + text_margin)); - // TODO honor left/right text_margin with min/max() - - cairo_move_to (cr, rint(.5 + xa), rint(ya)); + cairo_move_to (cr, xa, ya); pango_cairo_update_layout(cr, _layout->gobj()); pango_cairo_show_layout (cr, _layout->gobj()); cairo_restore (cr); @@ -409,12 +432,12 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) } //Menu "triangle" - if (((_elements & Menu)==Menu)) { - const float trih = ceil(_diameter/2.0); - const float triw2 = ceil(.577 * _diameter/2.0); // 1/sqrt(3) Equilateral triangle + if (_elements & Menu) { + const float trih = ceil(_diameter * .5); + const float triw2 = ceil(.577 * _diameter * .5); // 1/sqrt(3) Equilateral triangle //menu arrow cairo_set_source_rgba (cr, 1, 1, 1, 0.4); - cairo_move_to(cr, get_width() - triw2 - 3. , rint((get_height() + trih) / 2.0)); + cairo_move_to(cr, get_width() - triw2 - 3. , rint((get_height() + trih) * .5)); cairo_rel_line_to(cr, -triw2, -trih); cairo_rel_line_to(cr, 2. * triw2, 0); cairo_close_path(cr); @@ -422,7 +445,7 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) cairo_set_source_rgba (cr, 1, 1, 1, 0.4); cairo_fill(cr); - cairo_move_to(cr, get_width() - triw2 - 3 , rint((get_height() + trih) / 2.0)); + cairo_move_to(cr, get_width() - triw2 - 3 , rint((get_height() + trih) * .5)); cairo_rel_line_to(cr, .5 - triw2, .5 - trih); cairo_rel_line_to(cr, 2. * triw2 - 1, 0); cairo_close_path(cr); @@ -430,45 +453,43 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) cairo_set_line_width(cr, 1); cairo_stroke(cr); } - - //Indicator LED - if (((_elements & Indicator)==Indicator)) { - - /* move to the center of the indicator/led */ + //Indicator LED + if (_elements & Indicator) { cairo_save (cr); + /* move to the center of the indicator/led */ if (_elements & Text) { + int led_xoff = ceil(char_pixel_width() + _diameter * .5); if (_led_left) { - cairo_translate (cr, text_margin + (_diameter/2.0), get_height()/2.0); + cairo_translate (cr, led_xoff, get_height() * .5); } else { - cairo_translate (cr, get_width() - ((_diameter/2.0) + 4.0), get_height()/2.0); + cairo_translate (cr, get_width() - led_xoff, get_height() * .5); } } else { - cairo_translate (cr, get_width()/2.0, get_height()/2.0); + cairo_translate (cr, get_width() * .5, get_height() * .5); } - + //inset if (!_flat_buttons) { - cairo_arc (cr, 0, 0, _diameter/2, 0, 2 * M_PI); + cairo_arc (cr, 0, 0, _diameter * .5, 0, 2 * M_PI); cairo_set_source (cr, led_inset_pattern); cairo_fill (cr); } //black ring cairo_set_source_rgb (cr, 0, 0, 0); - cairo_arc (cr, 0, 0, _diameter/2-1, 0, 2 * M_PI); + cairo_arc (cr, 0, 0, _diameter * .5 - 1, 0, 2 * M_PI); cairo_fill(cr); //led color ArdourCanvas::set_source_rgba (cr, led_color); - cairo_arc (cr, 0, 0, _diameter/2-3, 0, 2 * M_PI); + cairo_arc (cr, 0, 0, _diameter * .5 - 3, 0, 2 * M_PI); cairo_fill(cr); - + cairo_restore (cr); } - // a transparent gray layer to indicate insensitivity if ((visual_state() & Gtkmm2ext::Insensitive)) { rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius); @@ -486,27 +507,22 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) } } - //user is currently pressing the button. black outline helps to indicate this - if ( _grabbed && !(_elements & (Inactive|Menu))) { + //user is currently pressing the button. dark outline helps to indicate this + if (_grabbed && !(_elements & (Inactive|Menu))) { rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius); cairo_set_line_width(cr, 2); - cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, .5); // XXX no longer 'black' + cairo_set_source_rgba (cr, 0.1, 0.1, 0.1, .5); cairo_stroke (cr); } - + //some buttons (like processor boxes) can be selected (so they can be deleted). Draw a selection indicator if (visual_state() & Gtkmm2ext::Selected) { -#if 0 // outline, edge + 1px outside - cairo_set_line_width(cr, 2); - cairo_set_source_rgba (cr, 1, 0, 0, 0.8); -#else // replace edge (if any) cairo_set_line_width(cr, 1); cairo_set_source_rgba (cr, 1, 0, 0, 0.8); -#endif rounded_function (cr, 0.5, 0.5, get_width() - 1, get_height() - 1, _corner_radius); cairo_stroke (cr); } - + //I guess this means we have keyboard focus. I don't think this works currently // //A: yes, it's keyboard focus and it does work when there's no editor window @@ -525,99 +541,93 @@ ArdourButton::render (cairo_t* cr, cairo_rectangle_t *) } void -ArdourButton::set_diameter (float d) +ArdourButton::set_corner_radius (float r) { - _diameter = (d*2) + 5.0; - - if (_diameter != 0.0) { - _fixed_diameter = true; - } - - build_patterns (); - queue_resize (); + _corner_radius = r; + CairoWidget::set_dirty (); } void -ArdourButton::set_corner_radius (float r) +ArdourButton::on_realize() { - _corner_radius = r; - set_dirty (); + CairoWidget::on_realize (); + ensure_layout (); + if (_layout && _layout->get_text() != _text) { + _layout->set_text (_text); + queue_resize (); + } } void ArdourButton::on_size_request (Gtk::Requisition* req) { - int xpad = 0; - int ypad = 6; - + req->width = req->height = 0; CairoWidget::on_size_request (req); - if ((_elements & Text) && !_text.empty()) { + if (_diameter == 0) { + const float newdia = rint (ARDOUR::Config->get_font_scale () / 1024. / 7.5); // 11px with 80% font-scaling + if (_diameter != newdia) { + _pattern_height = 0; + _diameter = newdia; + } + } - //calc our real width for our string (but ignore the height, because that results in inconsistent button heights) + if ((_elements & Text) && !_text.empty()) { int ignored; - _layout->get_pixel_size (_text_width, ignored); _text_height = char_pixel_height (); - - if (_text_width + _diameter < 75) { - xpad = 7; - } else { - xpad = 12; - } + // if _layout does not exist, char_pixel_height() creates it, + _layout->get_pixel_size (_text_width, ignored); + req->width += rint(1.75 * char_pixel_width()); // padding + req->width += _text_width; + req->height = std::max(req->height, (int) ceil(_text_height * BASELINESTRETCH + 1.0)); } else { _text_width = 0; _text_height = 0; } if (_pixbuf) { - xpad = 6; + req->width += _pixbuf->get_width() + char_pixel_width(); + req->height = std::max(req->height, _pixbuf->get_height() + 4); } - 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 & Indicator) { + req->width += lrint (_diameter) + char_pixel_width(); + req->height = std::max (req->height, (int) lrint (_diameter) + 4); } if ((_elements & Menu)) { req->width += _diameter + 4; } - if ((_elements & RecButton) && !_pixbuf) { + if (_elements & (RecButton | CloseCross)) { assert(!(_elements & Text)); - req->width += char_pixel_height(); - req->height += char_pixel_height(); + const int wh = std::max(3.5 * char_pixel_width(), ceil(char_pixel_height() * BASELINESTRETCH + 1)); + req->width += wh; + req->height = std::max(req->height, wh); } - req->width += _corner_radius; - - if ((_tweaks & Square)==Square) { + if (_tweaks & Square) { + // squared buttons are also grouped, we cannot align all texts + // -> skip proper center adjustment if (req->width < req->height) req->width = req->height; if (req->height < req->width) req->height = req->width; + } else if (_text_width > 0 && !(_elements & (Menu | Indicator))) { + // properly centered text for those elements that are centered + if ((req->width - _text_width) & 1) { ++req->width; } + if ((req->height - _text_height) & 1) { ++req->height; } } } /** * This sets the colors used for rendering based on the name of the button, and - * thus uses information from the GUI config data. + * thus uses information from the GUI config data. */ void ArdourButton::set_colors () { + _update_colors = false; if (_fixed_colors_set) { return; } @@ -632,6 +642,7 @@ ArdourButton::set_colors () 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 @@ -646,38 +657,36 @@ void ArdourButton::set_fixed_colors (const uint32_t color_active, const uint32_t 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() */ + /* XXX what about led colors ? */ + CairoWidget::set_dirty (); } void @@ -695,8 +704,9 @@ ArdourButton::build_patterns () if (led_inset_pattern) { cairo_pattern_destroy (led_inset_pattern); + led_inset_pattern = 0; } - + //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); @@ -707,13 +717,11 @@ ArdourButton::build_patterns () 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); - } + 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 (); + _pattern_height = get_height() ; } void @@ -726,7 +734,7 @@ 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 && + 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; } @@ -735,9 +743,9 @@ ArdourButton::on_button_press_event (GdkEventButton *ev) if (binding_proxy.button_press_handler (ev)) { return true; } - + _grabbed = true; - queue_draw (); + CairoWidget::set_dirty (); if (!_act_on_release) { if (_action) { @@ -756,7 +764,7 @@ 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 && + 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; @@ -764,10 +772,10 @@ ArdourButton::on_button_release_event (GdkEventButton *ev) } _grabbed = false; - queue_draw (); + CairoWidget::set_dirty (); if (_hovering) { - signal_clicked (); + signal_clicked (); if (_act_on_release) { if (_action) { _action->activate (); @@ -775,7 +783,7 @@ ArdourButton::on_button_release_event (GdkEventButton *ev) } } } - + if (_fallthrough_to_parent) return false; @@ -792,9 +800,8 @@ ArdourButton::set_distinct_led_click (bool yn) void ArdourButton::color_handler () { - set_colors (); - build_patterns (); - set_dirty (); + _update_colors = true; + CairoWidget::set_dirty (); } void @@ -802,39 +809,38 @@ ArdourButton::on_size_allocate (Allocation& alloc) { CairoWidget::on_size_allocate (alloc); setup_led_rect (); - build_patterns (); } void ArdourButton::set_controllable (boost::shared_ptr c) { - watch_connection.disconnect (); - binding_proxy.set_controllable (c); + watch_connection.disconnect (); + binding_proxy.set_controllable (c); } void ArdourButton::watch () { - boost::shared_ptr c (binding_proxy.get_controllable ()); - - if (!c) { - warning << _("button cannot watch state of non-existing Controllable\n") << endmsg; - return; - } + boost::shared_ptr c (binding_proxy.get_controllable ()); - c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourButton::controllable_changed, this), gui_context()); + 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(); + float val = binding_proxy.get_controllable()->get_value(); if (fabs (val) >= 0.5f) { set_active_state (Gtkmm2ext::ExplicitActive); } else { unset_active_state (); } + CairoWidget::set_dirty (); } void @@ -850,7 +856,7 @@ ArdourButton::set_related_action (RefPtr act) 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)); @@ -870,12 +876,13 @@ ArdourButton::action_toggled () unset_active_state (); } } -} +} void ArdourButton::on_style_changed (const RefPtr&) { - on_name_changed(); + _update_colors = true; + CairoWidget::set_dirty (); } void @@ -883,50 +890,47 @@ ArdourButton::on_name_changed () { _char_pixel_width = 0; _char_pixel_height = 0; - set_colors (); - build_patterns (); + _diameter = 0; + _update_colors = true; + if (is_realized()) { + queue_resize (); + } } void ArdourButton::setup_led_rect () { - int text_margin; - - if (get_width() < 75) { - text_margin = 3; - } else { - text_margin = 10; + if (!(_elements & Indicator)) { + delete _led_rect; + _led_rect = 0; + return; } - 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; - } + _led_rect = new cairo_rectangle_t; + + if (_elements & Text) { + if (_led_left) { + _led_rect->x = char_pixel_width(); } else { - /* centered */ - _led_rect->x = get_width()/2.0 - _diameter/2.0; + _led_rect->x = get_width() - char_pixel_width() + _diameter; } - - _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; + /* centered */ + _led_rect->x = .5 * get_width() - _diameter; } + + _led_rect->y = .5 * (get_height() - _diameter); + _led_rect->width = _diameter; + _led_rect->height = _diameter; } void ArdourButton::set_image (const RefPtr& img) { _pixbuf = img; - queue_draw (); + if (is_realized()) { + queue_resize (); + } } void @@ -935,28 +939,27 @@ ArdourButton::set_active_state (Gtkmm2ext::ActiveState s) bool changed = (_active_state != s); CairoWidget::set_active_state (s); if (changed) { - set_colors (); - build_patterns (); + _update_colors = true; + CairoWidget::set_dirty (); } } - + void ArdourButton::set_visual_state (Gtkmm2ext::VisualState s) { bool changed = (_visual_state != s); CairoWidget::set_visual_state (s); if (changed) { - set_colors (); - build_patterns (); + _update_colors = true; + CairoWidget::set_dirty (); } } - bool ArdourButton::on_focus_in_event (GdkEventFocus* ev) { _focused = true; - queue_draw (); + CairoWidget::set_dirty (); return CairoWidget::on_focus_in_event (ev); } @@ -964,7 +967,7 @@ bool ArdourButton::on_focus_out_event (GdkEventFocus* ev) { _focused = false; - queue_draw (); + CairoWidget::set_dirty (); return CairoWidget::on_focus_out_event (ev); } @@ -988,7 +991,7 @@ ArdourButton::on_enter_notify_event (GdkEventCrossing* ev) _hovering = (_elements & Inactive) ? false : true; if (ARDOUR::Config->get_widget_prelight()) { - queue_draw (); + CairoWidget::set_dirty (); } return CairoWidget::on_enter_notify_event (ev); @@ -1000,7 +1003,7 @@ ArdourButton::on_leave_notify_event (GdkEventCrossing* ev) _hovering = false; if (ARDOUR::Config->get_widget_prelight()) { - queue_draw (); + CairoWidget::set_dirty (); } return CairoWidget::on_leave_notify_event (ev); @@ -1011,7 +1014,9 @@ ArdourButton::set_tweaks (Tweaks t) { if (_tweaks != t) { _tweaks = t; - queue_draw (); + if (is_realized()) { + queue_resize (); + } } } @@ -1023,31 +1028,74 @@ ArdourButton::action_sensitivity_changed () } else { set_visual_state (Gtkmm2ext::VisualState (visual_state() | Gtkmm2ext::Insensitive)); } - } void -ArdourButton::recalc_char_pixel_geometry () +ArdourButton::set_layout_ellisize_width (int w) { - if (_char_pixel_height > 0 && _char_pixel_width > 0) { + if (_layout_ellipsize_width == w) { + return; + } + _layout_ellipsize_width = w; + if (!_layout) { + return; + } + if (_layout_ellipsize_width > 0) { + _layout->set_width (_layout_ellipsize_width); + } +} + +void +ArdourButton::set_text_ellipsize (Pango::EllipsizeMode e) +{ + if (_ellipsis == e) { + return; + } + _ellipsis = e; + if (!_layout) { return; } + _layout->set_ellipsize(_ellipsis); + if (_layout_ellipsize_width > 0) { + _layout->set_width (_layout_ellipsize_width); + } + if (is_realized ()) { + queue_resize (); + } +} + +void +ArdourButton::ensure_layout () +{ if (!_layout) { + ensure_style (); _layout = Pango::Layout::create (get_pango_context()); + _layout->set_ellipsize(_ellipsis); + if (_layout_ellipsize_width > 0) { + _layout->set_width (_layout_ellipsize_width); + } + } +} + +void +ArdourButton::recalc_char_pixel_geometry () +{ + if (_char_pixel_height > 0 && _char_pixel_width > 0) { + return; } + ensure_layout(); // NB. this is not static, since the geometry is different // depending on the font used. int w, h; - std::string t = _layout->get_text(); std::string x = _("ABCDEFGHIJLKMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"); _layout->set_text (x); _layout->get_pixel_size (w, h); - _layout->set_text (t); _char_pixel_height = std::max(4, h); // number of actual chars in the string (not bytes) // Glib to the rescue. Glib::ustring gx(x); _char_pixel_width = std::max(4, w / (int)gx.size()); + _layout->set_text (_text); } void @@ -1071,10 +1119,12 @@ void ArdourButton::set_elements (Element e) { _elements = e; + CairoWidget::set_dirty (); } void ArdourButton::add_elements (Element e) { _elements = (ArdourButton::Element) (_elements | e); + CairoWidget::set_dirty (); }