diff options
Diffstat (limited to 'gtk2_ardour/gtk_pianokeyboard.c')
| -rw-r--r-- | gtk2_ardour/gtk_pianokeyboard.c | 59 |
1 files changed, 47 insertions, 12 deletions
diff --git a/gtk2_ardour/gtk_pianokeyboard.c b/gtk2_ardour/gtk_pianokeyboard.c index e9212be439..c9a105b713 100644 --- a/gtk2_ardour/gtk_pianokeyboard.c +++ b/gtk2_ardour/gtk_pianokeyboard.c @@ -34,7 +34,15 @@ #include <assert.h> #include <string.h> #include <stdint.h> +#include <math.h> + #include <cairo/cairo.h> +#include <pango/pango.h> +#include <pango/pangocairo.h> + +#ifndef M_PI +# define M_PI 3.14159265358979323846 +#endif #include <gtk/gtk.h> #include <gdk/gdkkeysyms.h> @@ -125,9 +133,9 @@ draw_note(PianoKeyboard *pk, cairo_t* cr, int note) } } else if (pk->highlight_grand_piano_range && (note < PIANO_MIN_NOTE || note > PIANO_MAX_NOTE)) { if (is_white) { - cairo_set_source_rgb (cr, 0.8, 0.8, 0.8); + cairo_set_source_rgb (cr, 0.7, 0.7, 0.7); } else { - cairo_set_source_rgb (cr, 0.2, 0.2, 0.2); + cairo_set_source_rgb (cr, 0.3, 0.3, 0.3); } } else { if (is_white) { @@ -150,6 +158,30 @@ draw_note(PianoKeyboard *pk, cairo_t* cr, int note) draw_keyboard_cue (pk, cr); } + if (pk->print_note_label && (note % 12) == 0) { + int tw, th; + char buf[32]; + sprintf (buf, "ArdourMono %dpx", MAX (10, MIN (20, MIN (w / 2 + 3, h / 7)))); + PangoFontDescription* font = pango_font_description_from_string (buf); + sprintf (buf, "C%2d", (note / 12) - 1); + PangoLayout* pl = pango_cairo_create_layout(cr); + pango_layout_set_font_description(pl, font); + pango_layout_set_text (pl, buf, -1); + pango_layout_set_alignment (pl, PANGO_ALIGN_LEFT); + pango_layout_get_pixel_size (pl, &tw, &th); + + if (th < w && tw < h * .3) { + cairo_save(cr); + cairo_move_to (cr, x + (w - th) / 2, h - 3); + cairo_rotate (cr, M_PI / -2.0); + cairo_set_source_rgba (cr, .0, .0, .0, 1.0); + pango_cairo_show_layout(cr, pl); + cairo_restore(cr); + } + g_object_unref(pl); + pango_font_description_free (font); + } + /* We need to redraw black keys that partially obscure the white one. */ if (note < NNOTES - 2 && !pk->notes[note + 1].white) { draw_note(pk, cr, note + 1); @@ -854,11 +886,12 @@ piano_keyboard_new(void) pk->sustain_new_notes = 0; pk->enable_keyboard_cue = FALSE; pk->highlight_grand_piano_range = FALSE; + pk->print_note_label = FALSE; pk->octave = 4; pk->octave_range = 7; pk->note_being_pressed_using_mouse = -1; - pk->min_note = PIANO_MIN_NOTE; - pk->max_note = PIANO_MAX_NOTE; + pk->min_note = 0; + pk->max_note = 127; pk->last_key = 0; pk->monophonic = FALSE; @@ -889,6 +922,13 @@ piano_keyboard_set_grand_piano_highlight (PianoKeyboard *pk, gboolean enabled) } void +piano_keyboard_show_note_label (PianoKeyboard *pk, gboolean enabled) +{ + pk->print_note_label = enabled; + gtk_widget_queue_draw(GTK_WIDGET(pk)); +} + +void piano_keyboard_set_monophonic(PianoKeyboard *pk, gboolean monophonic) { pk->monophonic = monophonic; @@ -992,7 +1032,7 @@ piano_keyboard_set_octave_range (PianoKeyboard *pk, int octave_range) pk->min_note = (pk->octave + 0) * 12; break; case 6: - pk->min_note = (pk->octave + 1) * 12; + pk->min_note = (pk->octave - 1) * 12; break; case 7: case 8: @@ -1024,13 +1064,11 @@ piano_keyboard_set_octave_range (PianoKeyboard *pk, int octave_range) pk->min_note = MAX (0, pk->max_note - octave_range * 12); } - printf ("Oct: %d, Range: %d MIDI %d .. %d\n", pk->octave, octave_range, pk->min_note, pk->max_note); - recompute_dimensions(pk); gtk_widget_queue_draw(GTK_WIDGET(pk)); } -gboolean +void piano_keyboard_set_keyboard_layout(PianoKeyboard *pk, const char *layout) { assert(layout); @@ -1048,9 +1086,6 @@ piano_keyboard_set_keyboard_layout(PianoKeyboard *pk, const char *layout) bind_keys_dvorak(pk); } else { - /* Unknown layout name. */ - return TRUE; + assert (0); } - - return FALSE; } |