#include "ardour/rc_configuration.h" // for widget prelight preference
#include "canvas/utils.h"
+#include "canvas/colors.h"
#include "ardour_button.h"
#include "ardour_ui.h"
#include "i18n.h"
-#define REFLECTION_HEIGHT 2
+#define BASELINESTRETCH (1.25)
+#define TRACKHEADERBTNW (3.10)
using namespace Gdk;
using namespace Gtk;
, _tweaks (Tweaks (0))
, _char_pixel_width (0)
, _char_pixel_height (0)
+ , _char_avg_pixel_width (0)
, _text_width (0)
, _text_height (0)
, _diameter (0)
, _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));
}
, _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));
+ ARDOUR_UI_UTILS::DPIReset.connect (sigc::mem_fun (*this, &ArdourButton::on_name_changed));
}
ArdourButton::~ArdourButton()
if (led_inset_pattern) {
cairo_pattern_destroy (led_inset_pattern);
}
-
}
void
-ArdourButton::set_text (const std::string& str)
+ArdourButton::set_layout_font (const Pango::FontDescription& fd)
{
- _text = str;
-
- if (!_layout && !_text.empty()) {
- _layout = Pango::Layout::create (get_pango_context());
- }
-
+ ensure_layout ();
if (_layout) {
- _layout->set_text (str);
+ _layout->set_font_description (fd);
+ queue_resize ();
}
-
- queue_resize ();
}
void
-ArdourButton::set_markup (const std::string& str)
+ArdourButton::set_text (const std::string& str)
{
_text = str;
-
- if (!_layout) {
- _layout = Pango::Layout::create (get_pango_context());
+ if (!is_realized()) {
+ return;
+ }
+ ensure_layout ();
+ if (_layout && _layout->get_text() != _text) {
+ _layout->set_text (_text);
+ queue_resize ();
}
-
- _layout->set_markup (str);
- queue_resize ();
}
void
{
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;
if (_pixbuf) {
double x = rint((get_width() - _pixbuf->get_width()) * .5);
const double y = rint((get_height() - _pixbuf->get_height()) * .5);
-
+#if 0 // DEBUG style (print on hover)
+ if (_hovering || (_elements & Inactive)) {
+ printf("%s: p:%dx%d (%dx%d)\n",
+ get_name().c_str(),
+ _pixbuf->get_width(), _pixbuf->get_height(),
+ get_width(), get_height());
+ }
+#endif
if (_elements & Menu) {
//if this is a DropDown with an icon, then we need to
//move the icon left slightly to accomomodate the arrow
cairo_stroke(cr);
}
- const int text_margin = rint(.5 * (char_pixel_width() + _corner_radius));
-
+ const int text_margin = char_pixel_width();
// Text, if any
if (!_pixbuf && ((_elements & Text)==Text) && !_text.empty()) {
+ assert(_layout);
+#if 0 // DEBUG style (print on hover)
+ if (_hovering || (_elements & Inactive)) {
+ 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 aw:%.3f bh:%.0f t:%dx%d (%dx%d) %s\"%s\"\n",
+ get_name().c_str(),
+ char_pixel_width(), char_pixel_height(), char_avg_pixel_width(),
+ ceil(char_pixel_height() * BASELINESTRETCH),
+ _text_width, _text_height,
+ 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_new_path (cr);
ArdourCanvas::set_source_rgba (cr, text_color);
+ const double text_ypos = (get_height() - _text_height) * .5;
if (_elements & Menu) {
// always left align (dropdown)
- cairo_move_to (cr, text_margin, rint((get_height() - _text_height) * .5));
+ 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 + char_pixel_width()), rint((get_height() - _text_height) * .5));
+ cairo_move_to (cr, text_margin + _diameter + .5 * char_pixel_width(), text_ypos);
} else {
- cairo_move_to (cr, text_margin, rint((get_height() - _text_height) * .5));
+ cairo_move_to (cr, text_margin, text_ypos);
}
pango_cairo_show_layout (cr, _layout->gobj());
} else {
* TODO this should be generalized incl rotation.
* currently only 'user' of this API is meter_strip.cc
*/
- if (_xalign < 0) xa = .5 + (ww * fabs(_xalign) + text_margin);
+ if (_xalign < 0) xa = ceil(.5 + (ww * fabs(_xalign) + text_margin));
- cairo_move_to (cr, rint(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);
cairo_restore (cr);
}
- // a transparent gray layer to indicate insensitivity
+ // a transparent overlay to indicate insensitivity
if ((visual_state() & Gtkmm2ext::Insensitive)) {
- rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
- cairo_set_source_rgba (cr, 0.505, 0.517, 0.525, 0.6);
+ rounded_function (cr, 0, 0, get_width(), get_height(), _corner_radius);
+ uint32_t ins_color = ARDOUR_UI::config()->color ("gtk_background");
+ ArdourCanvas::set_source_rgb_a (cr, ins_color, 0.6);
cairo_fill (cr);
}
// if requested, show hovering
- if (ARDOUR::Config->get_widget_prelight()
+ if (ARDOUR_UI::config()->get_widget_prelight()
&& !((visual_state() & Gtkmm2ext::Insensitive))) {
if (_hovering) {
rounded_function (cr, 1, 1, get_width() - 2, get_height() - 2, _corner_radius);
}
}
- //user is currently pressing the button. black outline helps to indicate this
+ //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);
}
}
void
-ArdourButton::set_diameter (float d)
+ArdourButton::set_corner_radius (float r)
{
- _diameter = (d*2) + 5.0;
-
- 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)
{
- req->height = req->height = 0;
+ req->width = req->height = 0;
CairoWidget::on_size_request (req);
if (_diameter == 0) {
- _diameter = rint (ARDOUR::Config->get_font_scale () / 1024. / 7.5); // 11px with 80% font-scaling
+ const float newdia = rint (ARDOUR_UI::config()->get_font_scale () / 9600.0); // 11px with 100% font-scaling
+ if (_diameter != newdia) {
+ _pattern_height = 0;
+ _diameter = newdia;
+ }
}
if ((_elements & Text) && !_text.empty()) {
- int ignored;
- _layout->get_pixel_size (_text_width, ignored);
- _text_height = char_pixel_height ();
- req->width += char_pixel_width();
+ // if _layout does not exist, char_pixel_height() creates it,
+ req->height = std::max(req->height, (int) ceil(char_pixel_height() * BASELINESTRETCH + 1.0));
+ _layout->get_pixel_size (_text_width, _text_height);
+ req->width += rint(1.75 * char_pixel_width()); // padding
req->width += _text_width;
- req->height = std::max(req->height, (int) ceil(_text_height * 1.25));
} else {
_text_width = 0;
_text_height = 0;
}
if (_elements & Indicator) {
- req->width += lrint (_diameter) + 2 * char_pixel_width();
- req->height = std::max (req->height, (int) lrint (_diameter) + 2);
+ req->width += lrint (_diameter) + char_pixel_width();
+ req->height = std::max (req->height, (int) lrint (_diameter) + 4);
}
if ((_elements & Menu)) {
if (_elements & (RecButton | CloseCross)) {
assert(!(_elements & Text));
- const int wh = std::max(char_pixel_width(), char_pixel_height()) * 1.25;
+ const int wh = std::max (rint (TRACKHEADERBTNW * char_avg_pixel_width()), ceil (char_pixel_height() * BASELINESTRETCH + 1.));
req->width += wh;
- req->height = std::max(req->height, (int) wh);
+ req->height = std::max(req->height, wh);
}
- req->width += ceil(_corner_radius);
- req->height += ceil(_corner_radius);
-
- if (_tweaks & Square) {
- // squared buttons are also grouped, we cannot align all texts
- // -> skip proper center adjustment
+ /* Tweaks to mess the nice stuff above up again. */
+ if (_tweaks & TrackHeader) {
+ // forget everything above and just use a fixed square [em] size
+ // "TrackHeader Buttons" are single letter (usually uppercase)
+ // a SizeGroup is much less efficient (lots of gtk work under the hood for each track)
+ const int wh = std::max (rint (TRACKHEADERBTNW * char_avg_pixel_width()), ceil (char_pixel_height() * BASELINESTRETCH + 1.));
+ req->width = wh;
+ req->height = wh;
+ }
+ else if (_tweaks & Square) {
+ // currerntly unused (again)
if (req->width < req->height)
req->width = req->height;
if (req->height < req->width)
req->height = req->width;
- } else if (! (_elements & (Menu | Indicator))) {
+ } else if (_text_width > 0 && !(_elements & (Menu | Indicator))) {
// properly centered text for those elements that are centered
+ // (no sub-pixel offset)
if ((req->width - _text_width) & 1) { ++req->width; }
if ((req->height - _text_height) & 1) { ++req->height; }
}
+#if 0
+ printf("REQ: %s: %dx%d\n", get_name().c_str(), req->width, req->height);
+#endif
}
/**
void
ArdourButton::set_colors ()
{
+ _update_colors = false;
if (_fixed_colors_set) {
return;
}
std::string name = get_name();
+ bool failed = false;
+
+ fill_active_color = ARDOUR_UI::config()->color (string_compose ("%1: fill active", name), &failed);
+ if (failed) {
+ fill_active_color = ARDOUR_UI::config()->color ("generic button: fill active");
+ }
+ fill_inactive_color = ARDOUR_UI::config()->color (string_compose ("%1: fill", name), &failed);
+ if (failed) {
+ fill_inactive_color = ARDOUR_UI::config()->color ("generic button: fill");
+ }
+
+ text_active_color = ArdourCanvas::contrasting_text_color (fill_active_color);
+ text_inactive_color = ArdourCanvas::contrasting_text_color (fill_inactive_color);
- 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));
+ led_active_color = ARDOUR_UI::config()->color (string_compose ("%1: led active", name), &failed);
+ if (failed) {
+ led_active_color = ARDOUR_UI::config()->color ("generic button: led active");
+ }
- 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));
+ /* The inactive color for the LED is just a fairly dark version of the
+ * active color.
+ */
+
+ ArdourCanvas::HSV inactive (led_active_color);
+ inactive.v = 0.35;
- 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));
+ led_inactive_color = inactive.color ();
}
+
/**
* 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
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() */
+ CairoWidget::set_dirty ();
}
void
if (led_inset_pattern) {
cairo_pattern_destroy (led_inset_pattern);
+ led_inset_pattern = 0;
}
//convex gradient
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
bool
ArdourButton::on_button_press_event (GdkEventButton *ev)
{
+ focus_handler ();
+
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) {
}
_grabbed = true;
- queue_draw ();
+ CairoWidget::set_dirty ();
if (!_act_on_release) {
if (_action) {
}
_grabbed = false;
- queue_draw ();
+ CairoWidget::set_dirty ();
if (_hovering) {
signal_clicked ();
void
ArdourButton::color_handler ()
{
- set_colors ();
- build_patterns ();
- set_dirty ();
+ _update_colors = true;
+ CairoWidget::set_dirty ();
}
void
{
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);
+ watch_connection.disconnect ();
+ binding_proxy.set_controllable (c);
}
void
ArdourButton::watch ()
{
- boost::shared_ptr<Controllable> c (binding_proxy.get_controllable ());
+ 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());
+ 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
void
ArdourButton::on_style_changed (const RefPtr<Gtk::Style>&)
{
- on_name_changed();
+ _update_colors = true;
+ CairoWidget::set_dirty ();
}
void
_char_pixel_width = 0;
_char_pixel_height = 0;
_diameter = 0;
- set_colors ();
- build_patterns ();
- queue_resize ();
+ _update_colors = true;
+ if (is_realized()) {
+ queue_resize ();
+ }
}
void
return;
}
- _led_rect = new cairo_rectangle_t;
+ if (!_led_rect) {
+ _led_rect = new cairo_rectangle_t;
+ }
if (_elements & Text) {
- int led_xoff = ceil(char_pixel_width() + _diameter * .5);
if (_led_left) {
- _led_rect->x = led_xoff;
+ _led_rect->x = char_pixel_width();
} else {
- _led_rect->x = get_width() - led_xoff;
+ _led_rect->x = get_width() - char_pixel_width() + _diameter;
}
} else {
/* centered */
- _led_rect->x = .5 * (get_width() - _diameter);
+ _led_rect->x = .5 * get_width() - _diameter;
}
_led_rect->y = .5 * (get_height() - _diameter);
ArdourButton::set_image (const RefPtr<Gdk::Pixbuf>& img)
{
_pixbuf = img;
- queue_draw ();
+ if (is_realized()) {
+ queue_resize ();
+ }
}
void
bool changed = (_active_state != s);
CairoWidget::set_active_state (s);
if (changed) {
- set_colors ();
- build_patterns ();
+ _update_colors = true;
+ CairoWidget::set_dirty ();
}
}
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);
}
ArdourButton::on_focus_out_event (GdkEventFocus* ev)
{
_focused = false;
- queue_draw ();
+ CairoWidget::set_dirty ();
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))
+ (ev->keyval == GDK_space || ev->keyval == GDK_Return))
{
signal_clicked();
if (_action) {
{
_hovering = (_elements & Inactive) ? false : true;
- if (ARDOUR::Config->get_widget_prelight()) {
- queue_draw ();
+ if (ARDOUR_UI::config()->get_widget_prelight()) {
+ CairoWidget::set_dirty ();
}
return CairoWidget::on_enter_notify_event (ev);
{
_hovering = false;
- if (ARDOUR::Config->get_widget_prelight()) {
- queue_draw ();
+ if (ARDOUR_UI::config()->get_widget_prelight()) {
+ CairoWidget::set_dirty ();
}
return CairoWidget::on_leave_notify_event (ev);
{
if (_tweaks != t) {
_tweaks = t;
- queue_draw ();
+ if (is_realized()) {
+ queue_resize ();
+ }
}
}
}
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());
+ _char_avg_pixel_width = w / (float)gx.size();
+ _char_pixel_width = std::max(4, (int) ceil (_char_avg_pixel_width));
+ _layout->set_text (_text);
}
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 ();
}