ref: 1c4520d3086a2d2fbff58d296cf44e82cc19fd1f
dir: /tui_main.c/
#include "bank.h" #include "base.h" #include "field.h" #include "gbuffer.h" #include "mark.h" #include "osc_out.h" #include "sim.h" #include "term_util.h" #include <getopt.h> #include <locale.h> #define SOKOL_IMPL #include "sokol_time.h" #undef SOKOL_IMPL #define TIME_DEBUG 0 #if TIME_DEBUG static int spin_track_timeout = 0; #endif static void usage(void) { // clang-format off fprintf(stderr, "Usage: orca [options] [file]\n\n" "General options:\n" " --margins <number> Set cosmetic margins.\n" " Default: 2\n" " -h or --help Print this message and exit.\n" "\n" "OSC/MIDI options:\n" " --osc-server <address>\n" " Hostname or IP address to send OSC messages to.\n" " Default: loopback (this machine)\n" "\n" " --osc-port <number or service name>\n" " UDP port (or service name) to send OSC messages to.\n" " This option must be set for OSC output to be enabled.\n" " Default: none\n" "\n" " --osc-midi-bidule <path>\n" " Set MIDI to be sent via OSC formatted for Plogue Bidule.\n" " The path argument is the path of the Plogue OSC MIDI device.\n" " Example: /OSC_MIDI_0/MIDI\n" "\n" " --strict-timing\n" " Reduce the timing jitter of outgoing MIDI and OSC messages.\n" " Uses more CPU time.\n" ); // clang-format on } typedef enum { Glyph_class_unknown, Glyph_class_grid, Glyph_class_comment, Glyph_class_uppercase, Glyph_class_lowercase, Glyph_class_movement, Glyph_class_numeric, Glyph_class_bang, } Glyph_class; static Glyph_class glyph_class_of(Glyph glyph) { if (glyph == '.') return Glyph_class_grid; if (glyph >= '0' && glyph <= '9') return Glyph_class_numeric; switch (glyph) { case 'N': case 'n': case 'E': case 'e': case 'S': case 's': case 'W': case 'w': case 'Z': case 'z': return Glyph_class_movement; case '!': case ':': case '=': return Glyph_class_lowercase; case '*': return Glyph_class_bang; case '#': return Glyph_class_comment; } if (glyph >= 'A' && glyph <= 'Z') return Glyph_class_uppercase; if (glyph >= 'a' && glyph <= 'z') return Glyph_class_lowercase; return Glyph_class_unknown; } static bool is_valid_glyph(Glyph c) { if (c >= '0' && c <= '9') return true; if (c >= 'A' && c <= 'Z') return true; if (c >= 'a' && c <= 'z') return true; switch (c) { case '!': case '.': case '*': case ':': case ';': case '=': case '#': return true; } return false; } static attr_t term_attrs_of_cell(Glyph g, Mark m) { Glyph_class gclass = glyph_class_of(g); attr_t attr = A_normal; switch (gclass) { case Glyph_class_unknown: attr = A_bold | fg_bg(C_red, C_natural); break; case Glyph_class_grid: attr = A_bold | fg_bg(C_black, C_natural); break; case Glyph_class_comment: attr = A_dim | Cdef_normal; break; case Glyph_class_uppercase: attr = A_normal | fg_bg(C_black, C_cyan); break; case Glyph_class_lowercase: case Glyph_class_movement: case Glyph_class_numeric: attr = A_bold | Cdef_normal; break; case Glyph_class_bang: attr = A_bold | Cdef_normal; break; } if (gclass != Glyph_class_comment) { if ((m & (Mark_flag_lock | Mark_flag_input)) == (Mark_flag_lock | Mark_flag_input)) { attr = A_normal | Cdef_normal; } else if (m & Mark_flag_lock) { attr = A_dim | Cdef_normal; } } if (m & Mark_flag_output) { attr = A_reverse; } if (m & Mark_flag_haste_input) { attr = A_bold | fg_bg(C_cyan, C_natural); } return attr; } typedef enum { Ged_input_mode_normal = 0, Ged_input_mode_append = 1, Ged_input_mode_piano = 2, Ged_input_mode_selresize = 3, } Ged_input_mode; typedef struct { Usz y; Usz x; Usz h; Usz w; } Ged_cursor; void ged_cursor_init(Ged_cursor* tc) { tc->y = 0; tc->x = 0; tc->h = 1; tc->w = 1; } void ged_cursor_move_relative(Ged_cursor* tc, Usz field_h, Usz field_w, Isz delta_y, Isz delta_x) { Isz y0 = (Isz)tc->y + delta_y; Isz x0 = (Isz)tc->x + delta_x; if (y0 >= (Isz)field_h) y0 = (Isz)field_h - 1; if (y0 < 0) y0 = 0; if (x0 >= (Isz)field_w) x0 = (Isz)field_w - 1; if (x0 < 0) x0 = 0; tc->y = (Usz)y0; tc->x = (Usz)x0; } void draw_grid_cursor(WINDOW* win, int draw_y, int draw_x, int draw_h, int draw_w, Glyph const* gbuffer, Usz field_h, Usz field_w, int scroll_y, int scroll_x, Usz cursor_y, Usz cursor_x, Usz cursor_h, Usz cursor_w, Ged_input_mode input_mode, bool is_playing) { (void)input_mode; if (cursor_y >= field_h || cursor_x >= field_w) return; if (scroll_y < 0) { draw_y += -scroll_y; scroll_y = 0; } if (scroll_x < 0) { draw_x += -scroll_x; scroll_x = 0; } Usz offset_y = (Usz)scroll_y; Usz offset_x = (Usz)scroll_x; if (offset_y >= field_h || offset_x >= field_w) return; if (draw_y >= draw_h || draw_x >= draw_w) return; attr_t const curs_attr = A_reverse | A_bold | fg_bg(C_yellow, C_natural); if (offset_y <= cursor_y && offset_x <= cursor_x) { Usz cdraw_y = cursor_y - offset_y + (Usz)draw_y; Usz cdraw_x = cursor_x - offset_x + (Usz)draw_x; if (cdraw_y < (Usz)draw_h && cdraw_x < (Usz)draw_w) { Glyph beneath = gbuffer[cursor_y * field_w + cursor_x]; char displayed; if (beneath == '.') { displayed = is_playing ? '@' : '~'; } else { displayed = beneath; } chtype ch = (chtype)displayed | curs_attr; wmove(win, (int)cdraw_y, (int)cdraw_x); waddchnstr(win, &ch, 1); } } // Early out for selection area that won't have any visual effect if (cursor_h <= 1 && cursor_w <= 1) return; // Now mutate visually selected area under grid to have the selection color // attributes. (This will rewrite the attributes on the cursor character we // wrote above, but if it was the only character that would have been // changed, we already early-outed.) // // We'll do this by reading back the characters on the grid from the curses // window buffer, changing the attributes, then writing it back. This is // easier than pulling the glyphs from the gbuffer, since we already did the // ruler calculations to turn . into +, and we don't need special behavior // for any other attributes (e.g. we don't show a special state for selected // uppercase characters.) // // First, confine cursor selection to the grid field/gbuffer that actually // exists, in case the cursor selection exceeds the area of the field. Usz sel_rows = field_h - cursor_y; if (cursor_h < sel_rows) sel_rows = cursor_h; Usz sel_cols = field_w - cursor_x; if (cursor_w < sel_cols) sel_cols = cursor_w; // Now, confine the selection area to what's visible on screen. Kind of // tricky since we have to handle it being partially visible from any edge on // any axis, and we have to be mindful overflow. Usz vis_sel_y; Usz vis_sel_x; if (offset_y > cursor_y) { vis_sel_y = 0; Usz sub_y = offset_y - cursor_y; if (sub_y > sel_rows) sel_rows = 0; else sel_rows -= sub_y; } else { vis_sel_y = cursor_y - offset_y; } if (offset_x > cursor_x) { vis_sel_x = 0; Usz sub_x = offset_x - cursor_x; if (sub_x > sel_cols) sel_cols = 0; else sel_cols -= sub_x; } else { vis_sel_x = cursor_x - offset_x; } vis_sel_y += (Usz)draw_y; vis_sel_x += (Usz)draw_x; if (vis_sel_y >= (Usz)draw_h || vis_sel_x >= (Usz)draw_w) return; Usz vis_sel_h = (Usz)draw_h - vis_sel_y; Usz vis_sel_w = (Usz)draw_w - vis_sel_x; if (sel_rows < vis_sel_h) vis_sel_h = sel_rows; if (sel_cols < vis_sel_w) vis_sel_w = sel_cols; if (vis_sel_w == 0 || vis_sel_h == 0) return; enum { Bufcount = 4096 }; chtype chbuffer[Bufcount]; if (Bufcount < vis_sel_w) vis_sel_w = Bufcount; for (Usz iy = 0; iy < vis_sel_h; ++iy) { int at_y = (int)(vis_sel_y + iy); int num = mvwinchnstr(win, at_y, (int)vis_sel_x, chbuffer, (int)vis_sel_w); for (int ix = 0; ix < num; ++ix) { chbuffer[ix] = (chtype)((chbuffer[ix] & (A_CHARTEXT | A_ALTCHARSET)) | (chtype)curs_attr); } waddchnstr(win, chbuffer, (int)num); } } typedef struct Undo_node { Field field; Usz tick_num; struct Undo_node* prev; struct Undo_node* next; } Undo_node; typedef struct { Undo_node* first; Undo_node* last; Usz count; } Undo_history; void undo_history_init(Undo_history* hist) { hist->first = NULL; hist->last = NULL; hist->count = 0; } void undo_history_deinit(Undo_history* hist) { Undo_node* a = hist->first; while (a) { Undo_node* b = a->next; field_deinit(&a->field); free(a); a = b; } } enum { Undo_history_max = 500 }; void undo_history_push(Undo_history* hist, Field* field, Usz tick_num) { Undo_node* new_node; if (hist->count == Undo_history_max) { new_node = hist->first; if (new_node == hist->last) { hist->first = NULL; hist->last = NULL; } else { hist->first = new_node->next; hist->first->prev = NULL; } } else { new_node = malloc(sizeof(Undo_node)); ++hist->count; gfield_init(&new_node->field); } field_copy(field, &new_node->field); new_node->tick_num = tick_num; if (hist->last) { hist->last->next = new_node; new_node->prev = hist->last; } else { hist->first = new_node; hist->last = new_node; new_node->prev = NULL; } new_node->next = NULL; hist->last = new_node; } void undo_history_pop(Undo_history* hist, Field* out_field, Usz* out_tick_num) { Undo_node* last = hist->last; if (!last) return; field_copy(&last->field, out_field); *out_tick_num = last->tick_num; if (hist->first == last) { hist->first = NULL; hist->last = NULL; } else { Undo_node* new_last = last->prev; new_last->next = NULL; hist->last = new_last; } field_deinit(&last->field); free(last); --hist->count; } void undo_history_apply(Undo_history* hist, Field* out_field, Usz* out_tick_num) { Undo_node* last = hist->last; if (!last) return; field_copy(&last->field, out_field); *out_tick_num = last->tick_num; } Usz undo_history_count(Undo_history* hist) { return hist->count; } void print_meter(WINDOW* win, float meter_level) { enum { Segments = 7 }; int segs = (int)(meter_level * (float)Segments + 0.5f); if (segs < 0) segs = 0; else if (segs > Segments) segs = Segments; chtype buffer[Segments]; int i = 0; for (; i < segs; ++i) { buffer[i] = (i % 2 ? ACS_PLUS : ACS_HLINE) | A_REVERSE; } for (; i < Segments; ++i) { buffer[i] = ACS_HLINE | A_DIM; } waddchnstr(win, buffer, Segments); } void draw_hud(WINDOW* win, int win_y, int win_x, int height, int width, const char* filename, Usz field_h, Usz field_w, Usz ruler_spacing_y, Usz ruler_spacing_x, Usz tick_num, Usz bpm, Ged_cursor* const ged_cursor, Ged_input_mode input_mode, float meter_level) { (void)height; (void)width; wmove(win, win_y, win_x); wprintw(win, "%dx%d\t%d/%d\t%df\t%d\t", (int)field_w, (int)field_h, (int)ruler_spacing_x, (int)ruler_spacing_y, (int)tick_num, (int)bpm); print_meter(win, meter_level); wmove(win, win_y + 1, win_x); wprintw(win, "%d,%d\t%d:%d\t", (int)ged_cursor->x, (int)ged_cursor->y, (int)ged_cursor->w, (int)ged_cursor->h); switch (input_mode) { case Ged_input_mode_normal: wattrset(win, A_normal); wprintw(win, "insert"); break; case Ged_input_mode_append: wattrset(win, A_bold); wprintw(win, "append"); break; case Ged_input_mode_piano: wattrset(win, A_reverse); wprintw(win, "trigger"); break; case Ged_input_mode_selresize: wattrset(win, A_bold); wprintw(win, "select"); break; } wattrset(win, A_normal); wprintw(win, "\t%s", filename); } void draw_glyphs_grid(WINDOW* win, int draw_y, int draw_x, int draw_h, int draw_w, Glyph const* restrict gbuffer, Mark const* restrict mbuffer, Usz field_h, Usz field_w, Usz offset_y, Usz offset_x, Usz ruler_spacing_y, Usz ruler_spacing_x) { assert(draw_y >= 0 && draw_x >= 0); assert(draw_h >= 0 && draw_w >= 0); enum { Bufcount = 4096 }; chtype chbuffer[Bufcount]; // todo buffer limit if (offset_y >= field_h || offset_x >= field_w) return; if (draw_y >= draw_h || draw_x >= draw_w) return; Usz rows = (Usz)(draw_h - draw_y); if (field_h - offset_y < rows) rows = field_h - offset_y; Usz cols = (Usz)(draw_w - draw_x); if (field_w - offset_x < cols) cols = field_w - offset_x; if (Bufcount < cols) cols = Bufcount; if (rows == 0 || cols == 0) return; bool use_rulers = ruler_spacing_y != 0 && ruler_spacing_x != 0; chtype bullet = ACS_BULLET; for (Usz iy = 0; iy < rows; ++iy) { Usz line_offset = (offset_y + iy) * field_w + offset_x; Glyph const* g_row = gbuffer + line_offset; Mark const* m_row = mbuffer + line_offset; bool use_y_ruler = use_rulers && (iy + offset_y) % ruler_spacing_y == 0; for (Usz ix = 0; ix < cols; ++ix) { Glyph g = g_row[ix]; Mark m = m_row[ix]; chtype ch; if (g == '.') { if (use_y_ruler && (ix + offset_x) % ruler_spacing_x == 0) ch = '+'; else ch = bullet; } else { ch = (chtype)g; } attr_t attrs = term_attrs_of_cell(g, m); chbuffer[ix] = ch | attrs; } wmove(win, draw_y + (int)iy, draw_x); waddchnstr(win, chbuffer, (int)cols); } } void draw_glyphs_grid_scrolled(WINDOW* win, int draw_y, int draw_x, int draw_h, int draw_w, Glyph const* restrict gbuffer, Mark const* restrict mbuffer, Usz field_h, Usz field_w, int scroll_y, int scroll_x, Usz ruler_spacing_y, Usz ruler_spacing_x) { if (scroll_y < 0) { draw_y += -scroll_y; scroll_y = 0; } if (scroll_x < 0) { draw_x += -scroll_x; scroll_x = 0; } draw_glyphs_grid(win, draw_y, draw_x, draw_h, draw_w, gbuffer, mbuffer, field_h, field_w, (Usz)scroll_y, (Usz)scroll_x, ruler_spacing_y, ruler_spacing_x); } void ged_cursor_confine(Ged_cursor* tc, Usz height, Usz width) { if (height == 0 || width == 0) return; if (tc->y >= height) tc->y = height - 1; if (tc->x >= width) tc->x = width - 1; } void draw_oevent_list(WINDOW* win, Oevent_list const* oevent_list) { wmove(win, 0, 0); int win_h = getmaxy(win); wprintw(win, "Count: %d", (int)oevent_list->count); for (Usz i = 0, num_events = oevent_list->count; i < num_events; ++i) { int cury = getcury(win); if (cury + 1 >= win_h) return; wmove(win, cury + 1, 0); Oevent const* ev = oevent_list->buffer + i; Oevent_types evt = ev->any.oevent_type; switch (evt) { case Oevent_type_midi: { Oevent_midi const* em = &ev->midi; wprintw(win, "MIDI\tchannel %d\toctave %d\tnote %d\tvelocity %d\tlength %d", (int)em->channel, (int)em->octave, (int)em->note, (int)em->velocity, (int)em->bar_divisor); } break; case Oevent_type_osc_ints: { Oevent_osc_ints const* eo = &ev->osc_ints; wprintw(win, "OSC\t%c\tcount: %d ", eo->glyph, eo->count, eo->count); waddch(win, ACS_VLINE); for (Usz i = 0; i < eo->count; ++i) { wprintw(win, " %d", eo->numbers[i]); } } break; } } } void ged_resize_grid(Field* field, Markmap_reusable* markmap, Usz new_height, Usz new_width, Usz tick_num, Field* scratch_field, Undo_history* undo_hist, Ged_cursor* ged_cursor) { assert(new_height > 0 && new_width > 0); undo_history_push(undo_hist, field, tick_num); field_copy(field, scratch_field); field_resize_raw(field, new_height, new_width); // junky copies until i write a smarter thing memset(field->buffer, '.', new_height * new_width * sizeof(Glyph)); gbuffer_copy_subrect(scratch_field->buffer, field->buffer, scratch_field->height, scratch_field->width, field->height, field->width, 0, 0, 0, 0, scratch_field->height, scratch_field->width); ged_cursor_confine(ged_cursor, new_height, new_width); markmap_reusable_ensure_size(markmap, new_height, new_width); } static Usz adjust_rulers_humanized(Usz ruler, Usz in, Isz delta_rulers) { // slightly more confusing because desired grid sizes are +1 (e.g. ruler of // length 8 wants to snap to 25 and 33, not 24 and 32). also this math is // sloppy. assert(ruler > 0); if (in == 0) { return delta_rulers > 0 ? ruler * (Usz)delta_rulers : 1; } // could overflow if inputs are big if (delta_rulers < 0) in += ruler - 1; Isz n = ((Isz)in - 1) / (Isz)ruler + delta_rulers; if (n < 0) n = 0; return ruler * (Usz)n + 1; } // Resizes by number of ruler divisions, and snaps size to closest division in // a way a human would expect. Adds +1 to the output, so grid resulting size is // 1 unit longer than the actual ruler length. bool ged_resize_grid_snap_ruler(Field* field, Markmap_reusable* markmap, Usz ruler_y, Usz ruler_x, Isz delta_h, Isz delta_w, Usz tick_num, Field* scratch_field, Undo_history* undo_hist, Ged_cursor* ged_cursor) { assert(ruler_y > 0); assert(ruler_x > 0); Usz field_h = field->height; Usz field_w = field->width; assert(field_h > 0); assert(field_w > 0); if (ruler_y == 0 || ruler_x == 0 || field_h == 0 || field_w == 0) return false; Usz new_field_h = field_h; Usz new_field_w = field_w; if (delta_h != 0) new_field_h = adjust_rulers_humanized(ruler_y, field_h, delta_h); if (delta_w != 0) new_field_w = adjust_rulers_humanized(ruler_x, field_w, delta_w); if (new_field_h == field_h && new_field_w == field_w) return false; ged_resize_grid(field, markmap, new_field_h, new_field_w, tick_num, scratch_field, undo_hist, ged_cursor); return true; } typedef enum { Midi_mode_type_null, Midi_mode_type_osc_bidule, } Midi_mode_type; typedef struct { Midi_mode_type type; } Midi_mode_any; typedef struct { Midi_mode_type type; char const* path; } Midi_mode_osc_bidule; typedef union { Midi_mode_any any; Midi_mode_osc_bidule osc_bidule; } Midi_mode; void midi_mode_init(Midi_mode* mm) { mm->any.type = Midi_mode_type_null; } void midi_mode_set_osc_bidule(Midi_mode* mm, char const* path) { mm->osc_bidule.type = Midi_mode_type_osc_bidule; mm->osc_bidule.path = path; } typedef struct { Field field; Field scratch_field; Field clipboard_field; Markmap_reusable markmap_r; Undo_history undo_hist; Oevent_list oevent_list; Oevent_list scratch_oevent_list; Susnote_list susnote_list; Ged_cursor ged_cursor; Piano_bits piano_bits; Usz tick_num; Usz ruler_spacing_y, ruler_spacing_x; Ged_input_mode input_mode; Usz bpm; U64 clock; double accum_secs; double time_to_next_note_off; char const* filename; Oosc_dev* oosc_dev; Midi_mode const* midi_mode; Usz drag_start_y; Usz drag_start_x; float meter_level; int win_h; int win_w; int grid_h; int grid_scroll_y; // not sure if i like this being int int grid_scroll_x; bool needs_remarking : 1; bool is_draw_dirty : 1; bool is_playing : 1; bool draw_event_list : 1; bool is_mouse_down : 1; bool is_mouse_dragging : 1; bool is_hud_visible : 1; } Ged; void ged_init(Ged* a) { gfield_init(&a->field); gfield_init(&a->scratch_field); gfield_init(&a->clipboard_field); markmap_reusable_init(&a->markmap_r); undo_history_init(&a->undo_hist); ged_cursor_init(&a->ged_cursor); oevent_list_init(&a->oevent_list); oevent_list_init(&a->scratch_oevent_list); susnote_list_init(&a->susnote_list); a->piano_bits = ORCA_PIANO_BITS_NONE; a->tick_num = 0; a->ruler_spacing_y = 8; a->ruler_spacing_x = 8; a->input_mode = Ged_input_mode_normal; a->bpm = 120; a->clock = 0; a->accum_secs = 0.0; a->time_to_next_note_off = 1.0; a->filename = NULL; a->oosc_dev = NULL; a->midi_mode = NULL; a->meter_level = 0.0f; a->win_h = 0; a->win_w = 0; a->grid_h = 0; a->grid_scroll_y = 0; a->grid_scroll_x = 0; a->drag_start_y = 0; a->drag_start_x = 0; a->needs_remarking = true; a->is_draw_dirty = false; a->is_playing = false; a->draw_event_list = false; a->is_mouse_down = false; a->is_mouse_dragging = false; a->is_hud_visible = false; } void ged_deinit(Ged* a) { field_deinit(&a->field); field_deinit(&a->scratch_field); field_deinit(&a->clipboard_field); markmap_reusable_deinit(&a->markmap_r); undo_history_deinit(&a->undo_hist); oevent_list_deinit(&a->oevent_list); oevent_list_deinit(&a->scratch_oevent_list); susnote_list_deinit(&a->susnote_list); if (a->oosc_dev) { oosc_dev_destroy(a->oosc_dev); } } bool ged_is_draw_dirty(Ged* a) { return a->is_draw_dirty || a->needs_remarking; } bool ged_set_osc_udp(Ged* a, char const* dest_addr, char const* dest_port) { if (a->oosc_dev) { oosc_dev_destroy(a->oosc_dev); a->oosc_dev = NULL; } if (dest_port) { Oosc_udp_create_error err = oosc_dev_create_udp(&a->oosc_dev, dest_addr, dest_port); if (err) { return false; } } return true; } void ged_set_midi_mode(Ged* a, Midi_mode const* midi_mode) { a->midi_mode = midi_mode; } void send_midi_note_offs(Oosc_dev* oosc_dev, Midi_mode const* midi_mode, Susnote const* start, Susnote const* end) { Midi_mode_type midi_mode_type = midi_mode->any.type; for (; start != end; ++start) { #if 0 float under = start->remaining; if (under < 0.0) { fprintf(stderr, "cutoff slop: %f\n", under); } #endif U16 chan_note = start->chan_note; Usz chan = chan_note >> 8u; Usz note = chan_note & 0xFFu; switch (midi_mode_type) { case Midi_mode_type_null: break; case Midi_mode_type_osc_bidule: { I32 ints[3]; ints[0] = (0x8 << 4) | (U8)chan; // status ints[1] = (I32)note; // note number ints[2] = 0; // velocity oosc_send_int32s(oosc_dev, midi_mode->osc_bidule.path, ints, ORCA_ARRAY_COUNTOF(ints)); } break; } } } void send_control_message(Oosc_dev* oosc_dev, char const* osc_address) { if (!oosc_dev) return; oosc_send_int32s(oosc_dev, osc_address, NULL, 0); } void apply_time_to_sustained_notes(Oosc_dev* oosc_dev, Midi_mode const* midi_mode, double time_elapsed, Susnote_list* susnote_list, double* next_note_off_deadline) { Usz start_removed, end_removed; susnote_list_advance_time(susnote_list, time_elapsed, &start_removed, &end_removed, next_note_off_deadline); if (ORCA_UNLIKELY(start_removed != end_removed)) { Susnote const* restrict susnotes_off = susnote_list->buffer; send_midi_note_offs(oosc_dev, midi_mode, susnotes_off + start_removed, susnotes_off + end_removed); } } void ged_stop_all_sustained_notes(Ged* a) { Susnote_list* sl = &a->susnote_list; send_midi_note_offs(a->oosc_dev, a->midi_mode, sl->buffer, sl->buffer + sl->count); susnote_list_clear(sl); a->time_to_next_note_off = 1.0; } void send_output_events(Oosc_dev* oosc_dev, Midi_mode const* midi_mode, Usz bpm, Susnote_list* susnote_list, Oevent const* events, Usz count) { Midi_mode_type midi_mode_type = midi_mode->any.type; double bar_secs = (double)bpm / 60.0; enum { Midi_on_capacity = 512 }; typedef struct { U8 channel; U8 note_number; U8 velocity; } Midi_note_on; Midi_note_on midi_note_ons[Midi_on_capacity]; Susnote new_susnotes[Midi_on_capacity]; Usz midi_note_count = 0; for (Usz i = 0; i < count; ++i) { if (midi_note_count == Midi_on_capacity) break; Oevent const* e = events + i; switch ((Oevent_types)e->any.oevent_type) { case Oevent_type_midi: { Oevent_midi const* em = &e->midi; Usz note_number = (Usz)(12u * em->octave + em->note); Usz channel = em->channel; Usz bar_div = em->bar_divisor; midi_note_ons[midi_note_count] = (Midi_note_on){.channel = (U8)channel, .note_number = (U8)note_number, .velocity = em->velocity}; new_susnotes[midi_note_count] = (Susnote){ .remaining = bar_div == 0 ? 0.0f : (float)(bar_secs / (double)bar_div), .chan_note = (U16)((channel << 8u) | note_number)}; #if 0 fprintf(stderr, "bar div: %d, time: %f\n", (int)bar_div, new_susnotes[midi_note_count].remaining); #endif ++midi_note_count; } break; case Oevent_type_osc_ints: { Oevent_osc_ints const* eo = &e->osc_ints; char path_buff[3]; path_buff[0] = '/'; path_buff[1] = eo->glyph; path_buff[2] = 0; I32 ints[ORCA_ARRAY_COUNTOF(eo->numbers)]; Usz nnum = eo->count; for (Usz inum = 0; inum < nnum; ++inum) { ints[inum] = eo->numbers[inum]; } oosc_send_int32s(oosc_dev, path_buff, ints, nnum); } break; } } if (midi_note_count > 0 && midi_mode) { Usz start_note_offs, end_note_offs; susnote_list_add_notes(susnote_list, new_susnotes, midi_note_count, &start_note_offs, &end_note_offs); if (start_note_offs != end_note_offs) { Susnote const* restrict susnotes_off = susnote_list->buffer; send_midi_note_offs(oosc_dev, midi_mode, susnotes_off + start_note_offs, susnotes_off + end_note_offs); } for (Usz i = 0; i < midi_note_count; ++i) { Midi_note_on mno = midi_note_ons[i]; switch (midi_mode_type) { case Midi_mode_type_null: break; case Midi_mode_type_osc_bidule: { I32 ints[3]; ints[0] = (0x9 << 4) | mno.channel; // status ints[1] = mno.note_number; // note number ints[2] = mno.velocity; // velocity oosc_send_int32s(oosc_dev, midi_mode->osc_bidule.path, ints, ORCA_ARRAY_COUNTOF(ints)); } break; } } } } static double ms_to_sec(double ms) { return ms / 1000.0; } double ged_secs_to_deadline(Ged const* a) { if (a->is_playing) { double secs_span = 60.0 / (double)a->bpm / 4.0; double rem = secs_span - (stm_sec(stm_since(a->clock)) + a->accum_secs); double next_note_off = a->time_to_next_note_off; if (rem < 0.0) rem = 0.0; else if (next_note_off < rem) rem = next_note_off; return rem; } else { return 1.0; } } ORCA_FORCE_INLINE static float float_clamp(float a, float low, float high) { if (a < low) return low; if (a > high) return high; return a; } void ged_reset_clock(Ged* a) { a->clock = stm_now(); } void ged_do_stuff(Ged* a) { double secs_span = 60.0 / (double)a->bpm / 4.0; Oosc_dev* oosc_dev = a->oosc_dev; Midi_mode const* midi_mode = a->midi_mode; double secs = stm_sec(stm_since(a->clock)); a->meter_level -= (float)secs; a->meter_level = float_clamp(a->meter_level, 0.0f, 1.0f); apply_time_to_sustained_notes(oosc_dev, midi_mode, secs, &a->susnote_list, &a->time_to_next_note_off); if (!a->is_playing) return; bool do_play = false; #if TIME_DEBUG Usz spins = 0; U64 spin_start = stm_now(); #endif for (;;) { U64 now = stm_now(); U64 diff = stm_diff(now, a->clock); double sdiff = stm_sec(diff) + a->accum_secs; if (sdiff >= secs_span) { a->clock = now; a->accum_secs = sdiff - secs_span; #if TIME_DEBUG if (a->accum_secs > 0.000001) { fprintf(stderr, "err: %f\n", a->accum_secs); if (a->accum_secs > 0.00005) { fprintf(stderr, "guilty timeout: %d\n", spin_track_timeout); } } #endif do_play = true; break; } if (secs_span - sdiff > ms_to_sec(0.1)) break; #if TIME_DEBUG ++spins; #endif } #if TIME_DEBUG if (spins > 0) { fprintf(stderr, "%d spins in %f us with timeout %d\n", (int)spins, stm_us(stm_since(spin_start)), spin_track_timeout); } #endif if (do_play) { orca_run(a->field.buffer, a->markmap_r.buffer, a->field.height, a->field.width, a->tick_num, &a->oevent_list, a->piano_bits); ++a->tick_num; a->piano_bits = ORCA_PIANO_BITS_NONE; a->needs_remarking = true; a->is_draw_dirty = true; Usz count = a->oevent_list.count; if (oosc_dev && count > 0) { send_output_events(oosc_dev, midi_mode, a->bpm, &a->susnote_list, a->oevent_list.buffer, count); } a->meter_level += (float)count * 0.2f; a->meter_level = float_clamp(a->meter_level, 0.0f, 1.0f); // note for future: sustained note deadlines may have changed due to note // on. will need to update stored deadline in memory if // ged_apply_delta_secs isn't called again immediately after ged_do_stuff. } } static inline Isz isz_clamp(Isz x, Isz low, Isz high) { return x < low ? low : x > high ? high : x; } // todo cleanup to use proper unsigned/signed w/ overflow check Isz scroll_offset_on_axis_for_cursor_pos(Isz win_len, Isz cont_len, Isz cursor_pos, Isz pad, Isz cur_scroll) { if (win_len <= 0 || cont_len <= 0) return 0; if (cont_len <= win_len) return -((win_len - cont_len) / 2); if (pad * 2 >= win_len) { pad = (win_len - 1) / 2; } Isz min_vis_scroll = cursor_pos - win_len + 1 + pad; Isz max_vis_scroll = cursor_pos - pad; Isz new_scroll; if (cur_scroll < min_vis_scroll) new_scroll = min_vis_scroll; else if (cur_scroll > max_vis_scroll) new_scroll = max_vis_scroll; else new_scroll = cur_scroll; return isz_clamp(new_scroll, 0, cont_len - win_len); } void ged_make_cursor_visible(Ged* a) { int grid_h = a->grid_h; int cur_scr_y = a->grid_scroll_y; int cur_scr_x = a->grid_scroll_x; int new_scr_y = (int)scroll_offset_on_axis_for_cursor_pos( grid_h, (Isz)a->field.height, (Isz)a->ged_cursor.y, 5, cur_scr_y); int new_scr_x = (int)scroll_offset_on_axis_for_cursor_pos( a->win_w, (Isz)a->field.width, (Isz)a->ged_cursor.x, 5, cur_scr_x); if (new_scr_y == cur_scr_y && new_scr_x == cur_scr_x) return; a->grid_scroll_y = new_scr_y; a->grid_scroll_x = new_scr_x; a->is_draw_dirty = true; } enum { Hud_height = 2 }; void ged_set_window_size(Ged* a, int win_h, int win_w) { bool draw_hud = win_h > Hud_height + 1; int grid_h = draw_hud ? win_h - 2 : win_h; a->win_h = win_h; a->win_w = win_w; a->grid_h = grid_h; a->is_draw_dirty = true; a->is_hud_visible = draw_hud; ged_make_cursor_visible(a); } void ged_draw(Ged* a, WINDOW* win) { // We can predictavely step the next simulation tick and then use the // resulting markmap buffer for better UI visualization. If we don't do // this, after loading a fresh file or after the user performs some edit // (or even after a regular simulation step), the new glyph buffer won't // have had phase 0 of the simulation run, which means the ports and other // flags won't be set on the markmap buffer, so the colors for disabled // cells, ports, etc. won't be set. // // We can just perform a simulation step using the current state, keep the // markmap buffer that it produces, then roll back the glyph buffer to // where it was before. This should produce results similar to having // specialized UI code that looks at each glyph and figures out the ports, // etc. if (a->needs_remarking) { field_resize_raw_if_necessary(&a->scratch_field, a->field.height, a->field.width); field_copy(&a->field, &a->scratch_field); markmap_reusable_ensure_size(&a->markmap_r, a->field.height, a->field.width); orca_run(a->scratch_field.buffer, a->markmap_r.buffer, a->field.height, a->field.width, a->tick_num, &a->scratch_oevent_list, a->piano_bits); a->needs_remarking = false; } int win_h = a->win_h; int win_w = a->win_w; draw_glyphs_grid_scrolled(win, 0, 0, a->grid_h, win_w, a->field.buffer, a->markmap_r.buffer, a->field.height, a->field.width, a->grid_scroll_y, a->grid_scroll_x, a->ruler_spacing_y, a->ruler_spacing_x); draw_grid_cursor(win, 0, 0, a->grid_h, win_w, a->field.buffer, a->field.height, a->field.width, a->grid_scroll_y, a->grid_scroll_x, a->ged_cursor.y, a->ged_cursor.x, a->ged_cursor.h, a->ged_cursor.w, a->input_mode, a->is_playing); if (a->is_hud_visible) { char const* filename = a->filename ? a->filename : ""; draw_hud(win, win_h - Hud_height, 0, Hud_height, win_w, filename, a->field.height, a->field.width, a->ruler_spacing_y, a->ruler_spacing_x, a->tick_num, a->bpm, &a->ged_cursor, a->input_mode, a->meter_level); } if (a->draw_event_list) { draw_oevent_list(win, &a->oevent_list); } a->is_draw_dirty = false; } void ged_adjust_bpm(Ged* a, Isz delta_bpm) { Isz new_bpm = (Isz)a->bpm + delta_bpm; if (new_bpm < 1) new_bpm = 1; else if (new_bpm > 3000) new_bpm = 3000; if ((Usz)new_bpm != a->bpm) { a->bpm = (Usz)new_bpm; a->is_draw_dirty = true; } } void ged_move_cursor_relative(Ged* a, Isz delta_y, Isz delta_x) { ged_cursor_move_relative(&a->ged_cursor, a->field.height, a->field.width, delta_y, delta_x); ged_make_cursor_visible(a); a->is_draw_dirty = true; } Usz guarded_selection_axis_resize(Usz x, int delta) { if (delta < 0) { if (delta > INT_MIN && (Usz)(-delta) < x) { x -= (Usz)(-delta); } } else if (x < SIZE_MAX - (Usz)delta) { x += (Usz)delta; } return x; } void ged_modify_selection_size(Ged* a, int delta_y, int delta_x) { Usz cur_h = a->ged_cursor.h; Usz cur_w = a->ged_cursor.w; Usz new_h = guarded_selection_axis_resize(cur_h, delta_y); Usz new_w = guarded_selection_axis_resize(cur_w, delta_x); if (cur_h != new_h || cur_w != new_w) { a->ged_cursor.h = new_h; a->ged_cursor.w = new_w; a->is_draw_dirty = true; } } typedef enum { Ged_dir_up, Ged_dir_down, Ged_dir_left, Ged_dir_right, } Ged_dir; void ged_dir_input(Ged* a, Ged_dir dir) { switch (a->input_mode) { case Ged_input_mode_normal: case Ged_input_mode_append: case Ged_input_mode_piano: switch (dir) { case Ged_dir_up: ged_move_cursor_relative(a, -1, 0); break; case Ged_dir_down: ged_move_cursor_relative(a, 1, 0); break; case Ged_dir_left: ged_move_cursor_relative(a, 0, -1); break; case Ged_dir_right: ged_move_cursor_relative(a, 0, 1); break; } break; case Ged_input_mode_selresize: switch (dir) { case Ged_dir_up: ged_modify_selection_size(a, -1, 0); break; case Ged_dir_down: ged_modify_selection_size(a, 1, 0); break; case Ged_dir_left: ged_modify_selection_size(a, 0, -1); break; case Ged_dir_right: ged_modify_selection_size(a, 0, 1); break; } } } Usz view_to_scrolled_grid(Usz field_len, Usz visual_coord, int scroll_offset) { if (field_len == 0) return 0; if (scroll_offset < 0) { if ((Usz)(-scroll_offset) <= visual_coord) { visual_coord -= (Usz)(-scroll_offset); } else { visual_coord = 0; } } else { visual_coord += (Usz)scroll_offset; } if (visual_coord >= field_len) visual_coord = field_len - 1; return visual_coord; } void ged_mouse_event(Ged* a, Usz vis_y, Usz vis_x, mmask_t mouse_bstate) { if (mouse_bstate & BUTTON1_RELEASED) { // hard-disables tracking, but also disables further mouse stuff. // mousemask() with our original parameters seems to work to get into the // state we want, though. // // printf("\033[?1003l\n"); mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, NULL); a->is_mouse_down = false; a->is_mouse_dragging = false; a->drag_start_y = 0; a->drag_start_x = 0; } else if ((mouse_bstate & BUTTON1_PRESSED) || a->is_mouse_down) { Usz y = view_to_scrolled_grid(a->field.height, vis_y, a->grid_scroll_y); Usz x = view_to_scrolled_grid(a->field.width, vis_x, a->grid_scroll_x); if (!a->is_mouse_down) { // some sequence to hopefully make terminal start reporting all further // mouse movement events. 'REPORT_MOUSE_POSITION' alone in the mousemask // doesn't seem to work, at least not for xterm. we need to set it only // only when needed, otherwise some terminals will send movement updates // when we don't want them. printf("\033[?1003h\n"); // need to do this or double clicking can cause terminal state to get // corrupted, since we're bypassing curses here. might cause flicker. // wish i could figure out why report mouse position isn't working on its // own. fflush(stdout); wclear(stdscr); a->is_mouse_down = true; a->ged_cursor.y = y; a->ged_cursor.x = x; a->ged_cursor.h = 1; a->ged_cursor.w = 1; a->is_draw_dirty = true; } else { if (!a->is_mouse_dragging && (y != a->ged_cursor.y || x != a->ged_cursor.x)) { a->is_mouse_dragging = true; a->drag_start_y = a->ged_cursor.y; a->drag_start_x = a->ged_cursor.x; } if (a->is_mouse_dragging) { Usz tcy = a->drag_start_y; Usz tcx = a->drag_start_x; Usz loy = y < tcy ? y : tcy; Usz lox = x < tcx ? x : tcx; Usz hiy = y > tcy ? y : tcy; Usz hix = x > tcx ? x : tcx; a->ged_cursor.y = loy; a->ged_cursor.x = lox; a->ged_cursor.h = hiy - loy + 1; a->ged_cursor.w = hix - lox + 1; a->is_draw_dirty = true; } } } #if defined(NCURSES_MOUSE_VERSION) && NCURSES_MOUSE_VERSION >= 2 else { if (mouse_bstate & BUTTON4_PRESSED) { a->grid_scroll_y -= 1; a->is_draw_dirty = true; } else if (mouse_bstate & BUTTON5_PRESSED) { a->grid_scroll_y += 1; a->is_draw_dirty = true; } } #endif } void ged_adjust_rulers_relative(Ged* a, Isz delta_y, Isz delta_x) { Isz new_y = (Isz)a->ruler_spacing_y + delta_y; Isz new_x = (Isz)a->ruler_spacing_x + delta_x; if (new_y < 4) new_y = 4; else if (new_y > 16) new_y = 16; if (new_x < 4) new_x = 4; else if (new_x > 16) new_x = 16; if ((Usz)new_y == a->ruler_spacing_y && (Usz)new_x == a->ruler_spacing_x) return; a->ruler_spacing_y = (Usz)new_y; a->ruler_spacing_x = (Usz)new_x; a->is_draw_dirty = true; } void ged_resize_grid_relative(Ged* a, Isz delta_y, Isz delta_x) { ged_resize_grid_snap_ruler(&a->field, &a->markmap_r, a->ruler_spacing_y, a->ruler_spacing_x, delta_y, delta_x, a->tick_num, &a->scratch_field, &a->undo_hist, &a->ged_cursor); a->needs_remarking = true; // could check if we actually resized a->is_draw_dirty = true; ged_make_cursor_visible(a); } void ged_write_character(Ged* a, char c) { undo_history_push(&a->undo_hist, &a->field, a->tick_num); gbuffer_poke(a->field.buffer, a->field.height, a->field.width, a->ged_cursor.y, a->ged_cursor.x, c); // Indicate we want the next simulation step to be run predictavely, // so that we can use the reulsting mark buffer for UI visualization. // This is "expensive", so it could be skipped for non-interactive // input in situations where max throughput is necessary. a->needs_remarking = true; if (a->input_mode == Ged_input_mode_append) { ged_cursor_move_relative(&a->ged_cursor, a->field.height, a->field.width, 0, 1); } a->is_draw_dirty = true; } void ged_add_piano_bits_for_character(Ged* a, char c) { Piano_bits added_bits = piano_bits_of((Glyph)c); a->piano_bits |= added_bits; } bool ged_try_selection_clipped_to_field(Ged const* a, Usz* out_y, Usz* out_x, Usz* out_h, Usz* out_w) { Usz curs_y = a->ged_cursor.y; Usz curs_x = a->ged_cursor.x; Usz curs_h = a->ged_cursor.h; Usz curs_w = a->ged_cursor.w; Usz field_h = a->field.height; Usz field_w = a->field.width; if (curs_y >= field_h || curs_x >= field_w) return false; if (field_h - curs_y < curs_h) curs_h = field_h - curs_y; if (field_w - curs_x < curs_w) curs_w = field_w - curs_x; *out_y = curs_y; *out_x = curs_x; *out_h = curs_h; *out_w = curs_w; return true; } bool ged_fill_selection_with_char(Ged* a, Glyph c) { Usz curs_y, curs_x, curs_h, curs_w; if (!ged_try_selection_clipped_to_field(a, &curs_y, &curs_x, &curs_h, &curs_w)) return false; gbuffer_fill_subrect(a->field.buffer, a->field.height, a->field.width, curs_y, curs_x, curs_h, curs_w, c); return true; } bool ged_copy_selection_to_clipbard(Ged* a) { Usz curs_y, curs_x, curs_h, curs_w; if (!ged_try_selection_clipped_to_field(a, &curs_y, &curs_x, &curs_h, &curs_w)) return false; Usz field_h = a->field.height; Usz field_w = a->field.width; Field* cb_field = &a->clipboard_field; field_resize_raw_if_necessary(cb_field, curs_h, curs_w); gbuffer_copy_subrect(a->field.buffer, cb_field->buffer, field_h, field_w, curs_h, curs_w, curs_y, curs_x, 0, 0, curs_h, curs_w); return true; } void ged_input_character(Ged* a, char c) { switch (a->input_mode) { case Ged_input_mode_append: ged_write_character(a, c); break; case Ged_input_mode_normal: case Ged_input_mode_selresize: if (a->ged_cursor.h <= 1 && a->ged_cursor.w <= 1) { ged_write_character(a, c); } else { undo_history_push(&a->undo_hist, &a->field, a->tick_num); ged_fill_selection_with_char(a, c); a->needs_remarking = true; a->is_draw_dirty = true; } break; case Ged_input_mode_piano: ged_add_piano_bits_for_character(a, c); break; } } typedef enum { Ged_input_cmd_undo, Ged_input_cmd_toggle_append_mode, Ged_input_cmd_toggle_piano_mode, Ged_input_cmd_toggle_selresize_mode, Ged_input_cmd_step_forward, Ged_input_cmd_toggle_show_event_list, Ged_input_cmd_toggle_play_pause, Ged_input_cmd_cut, Ged_input_cmd_copy, Ged_input_cmd_paste, Ged_input_cmd_escape, } Ged_input_cmd; void ged_input_cmd(Ged* a, Ged_input_cmd ev) { switch (ev) { case Ged_input_cmd_undo: if (undo_history_count(&a->undo_hist) > 0) { if (a->is_playing) { undo_history_apply(&a->undo_hist, &a->field, &a->tick_num); } else { undo_history_pop(&a->undo_hist, &a->field, &a->tick_num); } ged_cursor_confine(&a->ged_cursor, a->field.height, a->field.width); ged_make_cursor_visible(a); a->needs_remarking = true; a->is_draw_dirty = true; } break; case Ged_input_cmd_toggle_append_mode: if (a->input_mode == Ged_input_mode_append) { a->input_mode = Ged_input_mode_normal; } else { a->input_mode = Ged_input_mode_append; } a->is_draw_dirty = true; break; case Ged_input_cmd_toggle_piano_mode: if (a->input_mode == Ged_input_mode_piano) { a->input_mode = Ged_input_mode_normal; } else { a->input_mode = Ged_input_mode_piano; } a->is_draw_dirty = true; break; case Ged_input_cmd_toggle_selresize_mode: if (a->input_mode == Ged_input_mode_selresize) { a->input_mode = Ged_input_mode_normal; } else { a->input_mode = Ged_input_mode_selresize; } a->is_draw_dirty = true; break; case Ged_input_cmd_step_forward: undo_history_push(&a->undo_hist, &a->field, a->tick_num); orca_run(a->field.buffer, a->markmap_r.buffer, a->field.height, a->field.width, a->tick_num, &a->oevent_list, a->piano_bits); ++a->tick_num; a->piano_bits = ORCA_PIANO_BITS_NONE; a->needs_remarking = true; a->is_draw_dirty = true; break; case Ged_input_cmd_toggle_play_pause: if (a->is_playing) { ged_stop_all_sustained_notes(a); a->is_playing = false; a->meter_level = 0.0f; send_control_message(a->oosc_dev, "/orca/stopped"); } else { undo_history_push(&a->undo_hist, &a->field, a->tick_num); a->is_playing = true; a->clock = stm_now(); // dumb'n'dirty, get us close to the next step time, but not quite a->accum_secs = 60.0 / (double)a->bpm / 4.0 - 0.02; send_control_message(a->oosc_dev, "/orca/started"); } a->is_draw_dirty = true; break; case Ged_input_cmd_toggle_show_event_list: a->draw_event_list = !a->draw_event_list; a->is_draw_dirty = true; break; case Ged_input_cmd_cut: { if (ged_copy_selection_to_clipbard(a)) { undo_history_push(&a->undo_hist, &a->field, a->tick_num); ged_fill_selection_with_char(a, '.'); a->needs_remarking = true; a->is_draw_dirty = true; } } break; case Ged_input_cmd_copy: { ged_copy_selection_to_clipbard(a); } break; case Ged_input_cmd_paste: { Usz field_h = a->field.height; Usz field_w = a->field.width; Usz curs_y = a->ged_cursor.y; Usz curs_x = a->ged_cursor.x; if (curs_y >= field_h || curs_x >= field_w) break; Field* cb_field = &a->clipboard_field; Usz cbfield_h = cb_field->height; Usz cbfield_w = cb_field->width; Usz cpy_h = cbfield_h; Usz cpy_w = cbfield_w; if (field_h - curs_y < cpy_h) cpy_h = field_h - curs_y; if (field_w - curs_x < cpy_w) cpy_w = field_w - curs_x; if (cpy_h == 0 || cpy_w == 0) break; undo_history_push(&a->undo_hist, &a->field, a->tick_num); gbuffer_copy_subrect(cb_field->buffer, a->field.buffer, cbfield_h, cbfield_w, field_h, field_w, 0, 0, curs_y, curs_x, cpy_h, cpy_w); a->needs_remarking = true; a->is_draw_dirty = true; } break; case Ged_input_cmd_escape: { if (a->input_mode != Ged_input_mode_normal) { a->input_mode = Ged_input_mode_normal; a->is_draw_dirty = true; } else if (a->ged_cursor.h != 1 || a->ged_cursor.w != 1) { a->ged_cursor.h = 1; a->ged_cursor.w = 1; a->is_draw_dirty = true; } else if (a->clipboard_field.height >= 1 && a->clipboard_field.width >= 1) { a->ged_cursor.h = a->clipboard_field.height; a->ged_cursor.w = a->clipboard_field.width; a->is_draw_dirty = true; } } break; } } bool hacky_try_save(Field* field, char const* filename) { if (!filename) return false; if (field->height == 0 || field->width == 0) return false; FILE* f = fopen(filename, "w"); if (!f) return false; field_fput(field, f); fclose(f); return true; } // // menu stuff // enum { Main_menu_id = 1, Save_as_form_id, }; enum { Save_as_name_id = 1, }; enum { Main_menu_quit = 1, Main_menu_controls, Main_menu_save, Main_menu_save_as, Main_menu_about, }; void push_main_menu(void) { Qmenu* qm = qmenu_create(Main_menu_id); qmenu_set_title(qm, "ORCA"); qmenu_add_choice(qm, "Save", Main_menu_save); qmenu_add_choice(qm, "Save As...", Main_menu_save_as); qmenu_add_spacer(qm); qmenu_add_choice(qm, "Controls...", Main_menu_controls); qmenu_add_choice(qm, "About...", Main_menu_about); qmenu_add_spacer(qm); qmenu_add_choice(qm, "Quit", Main_menu_quit); qmenu_push_to_nav(qm); } void push_about_msg(void) { // clang-format off static char const* logo[] = { "lqqqk|lqqqk|lqqqk|lqqqk", "x x|xqqqu|x |lqqqu", "mqqqj|m j|mqqqj|mqqqj", }; static char const* footer = "Live Programming Environment"; // clang-format on int cols = (int)strlen(logo[0]); int hpad = 5; int tpad = 2; int bpad = 2; int sep = 1; int rows = (int)ORCA_ARRAY_COUNTOF(logo); int footer_len = (int)strlen(footer); int width = footer_len; if (cols > width) width = cols; width += hpad * 2; int logo_left_pad = (width - cols) / 2; int footer_left_pad = (width - footer_len) / 2; Qmsg* qm = qmsg_push(tpad + rows + sep + 1 + bpad, width); WINDOW* w = qmsg_window(qm); for (int row = 0; row < rows; ++row) { wmove(w, row + tpad, logo_left_pad); wattrset(w, A_BOLD); for (int col = 0; col < cols; ++col) { char c = logo[row][col]; chtype ch; if (c == ' ') ch = (chtype)' '; else if (c == '|') ch = ACS_VLINE | (chtype)fg_bg(C_black, C_natural) | A_BOLD; else ch = NCURSES_ACS(c) | A_BOLD; waddch(w, ch); } } wattrset(w, A_DIM); wmove(w, tpad + rows + sep, footer_left_pad); wprintw(w, footer); } void push_controls_msg(void) { struct Ctrl_item { char const* input; char const* desc; }; static struct Ctrl_item items[] = { {"Ctrl+Q", "Quit"}, {"Arrow Keys", "Move Cursor"}, {"Ctrl+D or F1", "Open Main Menu"}, {"0-9, A-Z, a-z,", "Insert Character"}, {"!, :, #, and *", NULL}, {"Spacebar", "Play/Pause"}, {"Ctrl+Z or Ctrl+U", "Undo"}, {"Ctrl+X", "Cut"}, {"Ctrl+C", "Copy"}, {"Ctrl+V", "Paste"}, {"Ctrl+S", "Save"}, {"Ctrl+F", "Frame Step Forward"}, {"Return", "Append/Overwrite Mode"}, {"/", "Key Trigger Mode"}, {"' (quote)", "Rectangle Selection Mode"}, {"Shift+Arrow Keys", "Adjust Rectangle Selection"}, {"Escape", "Return to Normal Mode or Deselect"}, {"( and )", "Resize Grid (Horizontal)"}, {"_ and +", "Resize Grid (Vertical)"}, {"[ and ]", "Adjust Grid Rulers (Horizontal)"}, {"{ and }", "Adjust Grid Rulers (Vertical)"}, {"< and >", "Adjust BPM"}, {"?", "Controls (This Message)"}, }; int w_input = 0; int w_desc = 0; for (Usz i = 0; i < ORCA_ARRAY_COUNTOF(items); ++i) { // use wcswidth instead of strlen if you need wide char support. but note // that won't be useful for UTF-8 or unicode chars in higher plane (emoji, // complex zwj, etc.) if (items[i].input) { int wl = (int)strlen(items[i].input); if (wl > w_input) w_input = wl; } if (items[i].desc) { int wr = (int)strlen(items[i].desc); if (wr > w_desc) w_desc = wr; } } int mid_pad = 2; int total_width = 1 + w_input + mid_pad + w_desc; Qmsg* qm = qmsg_push(ORCA_ARRAY_COUNTOF(items), total_width); qmsg_set_title(qm, "Controls"); WINDOW* w = qmsg_window(qm); for (int i = 0; i < (int)ORCA_ARRAY_COUNTOF(items); ++i) { if (items[i].input) { wmove(w, i, 1 + w_input - (int)strlen(items[i].input)); wprintw(w, items[i].input); } if (items[i].desc) { wmove(w, i, 1 + w_input + mid_pad); wprintw(w, items[i].desc); } } } void try_save_with_msg(Ged* ged) { if (!ged->filename) return; bool ok = hacky_try_save(&ged->field, ged->filename); Qmsg* msg = qmsg_push(3, 50); WINDOW* msgw = qmsg_window(msg); wmove(msgw, 0, 1); if (ok) { wprintw(msgw, "Saved to: %s", ged->filename); } else { wprintw(msgw, "FAILED to save to %s", ged->filename); } } void push_save_as_form(char const* initial) { Qform* qf = qform_create(Save_as_form_id); qform_set_title(qf, "Save As"); qform_add_text_line(qf, Save_as_name_id, initial); qform_push_to_nav(qf); } // // main // enum { Argopt_margins = UCHAR_MAX + 1, Argopt_osc_server, Argopt_osc_port, Argopt_osc_midi_bidule, Argopt_strict_timing, }; int main(int argc, char** argv) { static struct option tui_options[] = { {"margins", required_argument, 0, Argopt_margins}, {"help", no_argument, 0, 'h'}, {"osc-server", required_argument, 0, Argopt_osc_server}, {"osc-port", required_argument, 0, Argopt_osc_port}, {"osc-midi-bidule", required_argument, 0, Argopt_osc_midi_bidule}, {"strict-timing", no_argument, 0, Argopt_strict_timing}, {NULL, 0, NULL, 0}}; char* input_file = NULL; int margin_thickness = 2; char const* osc_hostname = NULL; char const* osc_port = NULL; bool strict_timing = false; Midi_mode midi_mode; midi_mode_init(&midi_mode); for (;;) { int c = getopt_long(argc, argv, "h", tui_options, NULL); if (c == -1) break; switch (c) { case 'h': usage(); return 0; case Argopt_margins: { margin_thickness = atoi(optarg); if (margin_thickness == 0 && strcmp(optarg, "0")) { fprintf(stderr, "Bad margins argument %s.\n" "Must be 0 or positive integer.\n", optarg); return 1; } } break; case Argopt_osc_server: { osc_hostname = optarg; } break; case Argopt_osc_port: { osc_port = optarg; } break; case Argopt_osc_midi_bidule: { midi_mode_set_osc_bidule(&midi_mode, optarg); } break; case Argopt_strict_timing: { strict_timing = true; } break; case '?': usage(); return 1; } } if (margin_thickness < 0) { fprintf(stderr, "Margins must be >= 0.\n"); usage(); return 1; } if (optind == argc - 1) { input_file = argv[optind]; } else if (optind < argc - 1) { fprintf(stderr, "Expected only 1 file argument.\n"); return 1; } qnav_init(); Ged ged_state; ged_init(&ged_state); if (osc_hostname != NULL && osc_port == NULL) { fprintf(stderr, "An OSC server address was specified, but no OSC port was " "specified.\n" "OSC output is not possible without specifying an OSC port.\n"); ged_deinit(&ged_state); exit(1); } if (midi_mode.any.type == Midi_mode_type_osc_bidule && osc_port == NULL) { fprintf(stderr, "MIDI was set to be sent via OSC formatted for Plogue Bidule,\n" "but no OSC port was specified.\n" "OSC output is not possible without specifying an OSC port.\n"); ged_deinit(&ged_state); exit(1); } if (osc_port != NULL) { if (!ged_set_osc_udp(&ged_state, osc_hostname, osc_port)) { fprintf(stderr, "Failed to set up OSC networking\n"); ged_deinit(&ged_state); exit(1); } } Heapstr file_name; if (input_file) { Field_load_error fle = field_load_file(input_file, &ged_state.field); if (fle != Field_load_error_ok) { char const* errstr = "Unknown"; switch (fle) { case Field_load_error_ok: break; case Field_load_error_cant_open_file: errstr = "Unable to open file"; break; case Field_load_error_too_many_columns: errstr = "Grid file has too many columns"; break; case Field_load_error_too_many_rows: errstr = "Grid file has too many rows"; break; case Field_load_error_no_rows_read: errstr = "Grid file has no rows"; break; case Field_load_error_not_a_rectangle: errstr = "Grid file is not a rectangle"; break; } fprintf(stderr, "File load error: %s.\n", errstr); ged_deinit(&ged_state); qnav_deinit(); return 1; } heapstr_init_cstr(&file_name, input_file); } else { heapstr_init_cstr(&file_name, "unnamed"); field_init_fill(&ged_state.field, 25, 57, '.'); } ged_state.filename = file_name.str; ged_set_midi_mode(&ged_state, &midi_mode); // Set up timer lib stm_setup(); // Enable UTF-8 by explicitly initializing our locale before initializing // ncurses. Only needed (maybe?) if using libncursesw/wide-chars or UTF-8. // Using it unguarded will mess up box drawing chars in Linux virtual // consoles unless using libncursesw. setlocale(LC_ALL, ""); // Initialize ncurses initscr(); // Allow ncurses to control newline translation. Fine to use with any modern // terminal, and will let ncurses run faster. nonl(); // Set interrupt keys (interrupt, break, quit...) to not flush. Helps keep // ncurses state consistent, at the cost of less responsive terminal // interrupt. (This will rarely happen.) intrflush(stdscr, FALSE); // Receive keyboard input immediately without line buffering, and receive // ctrl+z, ctrl+c etc. as input instead of having a signal generated. We need // to do this even with wtimeout() if we don't want ctrl+z etc. to interrupt // the program. raw(); // Don't echo keyboard input noecho(); // Also receive arrow keys, etc. keypad(stdscr, TRUE); // Hide the terminal cursor curs_set(0); // Short delay before triggering escape set_escdelay(1); // Our color init routine term_util_init_colors(); mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, NULL); if (has_mouse()) { // no waiting for distinguishing click from press mouseinterval(0); } WINDOW* cont_window = NULL; int key = KEY_RESIZE; wtimeout(stdscr, 0); int cur_timeout = 0; for (;;) { switch (key) { case ERR: { ged_do_stuff(&ged_state); bool drew_any = false; if (qnav_stack.stack_changed) drew_any = true; if (ged_is_draw_dirty(&ged_state) || drew_any) { werase(cont_window); ged_draw(&ged_state, cont_window); wnoutrefresh(cont_window); drew_any = true; } for (Usz i = 0; i < qnav_stack.count; ++i) { Qblock* qb = qnav_stack.blocks[i]; if (qnav_stack.stack_changed) { qblock_print_frame(qb, i == qnav_stack.count - 1); } touchwin(qb->outer_window); wnoutrefresh(qb->outer_window); drew_any = true; } qnav_stack.stack_changed = false; if (drew_any) doupdate(); double secs_to_d = ged_secs_to_deadline(&ged_state); int new_timeout; if (strict_timing) { if (secs_to_d < ms_to_sec(0.5)) { new_timeout = 0; } else if (secs_to_d < ms_to_sec(1.5)) { new_timeout = 0; } else if (secs_to_d < ms_to_sec(3.0)) { new_timeout = 1; } else if (secs_to_d < ms_to_sec(5.0)) { new_timeout = 2; } else if (secs_to_d < ms_to_sec(7.0)) { new_timeout = 3; } else if (secs_to_d < ms_to_sec(9.0)) { new_timeout = 4; } else if (secs_to_d < ms_to_sec(11.0)) { new_timeout = 5; } else if (secs_to_d < ms_to_sec(13.0)) { new_timeout = 6; } else if (secs_to_d < ms_to_sec(15.0)) { new_timeout = 7; } else if (secs_to_d < ms_to_sec(25.0)) { new_timeout = 12; } else if (secs_to_d < ms_to_sec(50.0)) { new_timeout = 20; } else if (secs_to_d < ms_to_sec(100.0)) { new_timeout = 40; } else { new_timeout = 50; } } else { if (secs_to_d < ms_to_sec(0.5)) { new_timeout = 0; } else if (secs_to_d < ms_to_sec(1.0)) { new_timeout = 0; } else if (secs_to_d < ms_to_sec(2.0)) { new_timeout = 1; } else if (secs_to_d < ms_to_sec(7.0)) { new_timeout = 2; } else if (secs_to_d < ms_to_sec(15.0)) { new_timeout = 5; } else if (secs_to_d < ms_to_sec(25.0)) { new_timeout = 10; } else if (secs_to_d < ms_to_sec(50.0)) { new_timeout = 20; } else if (secs_to_d < ms_to_sec(100.0)) { new_timeout = 40; } else { new_timeout = 50; } } if (new_timeout != cur_timeout) { wtimeout(stdscr, new_timeout); cur_timeout = new_timeout; #if TIME_DEBUG spin_track_timeout = cur_timeout; #endif } goto next_getch; } case KEY_RESIZE: { int term_height = getmaxy(stdscr); int term_width = getmaxx(stdscr); assert(term_height >= 0 && term_width >= 0); int content_y = 0; int content_x = 0; int content_h = term_height; int content_w = term_width; int margins_2 = margin_thickness * 2; if (margin_thickness > 0 && term_height > margins_2 && term_width > margins_2) { content_y += margin_thickness; content_x += margin_thickness; content_h -= margins_2; content_w -= margins_2; } if (cont_window == NULL || getmaxy(cont_window) != content_h || getmaxx(cont_window) != content_w) { if (cont_window) { delwin(cont_window); } wclear(stdscr); cont_window = derwin(stdscr, content_h, content_w, content_y, content_x); ged_set_window_size(&ged_state, content_h, content_w); } goto next_getch; } case KEY_MOUSE: { MEVENT mevent; if (cont_window && getmouse(&mevent) == OK) { int win_y, win_x; int win_h, win_w; getbegyx(cont_window, win_y, win_x); getmaxyx(cont_window, win_h, win_w); int inwin_y = mevent.y - win_y; int inwin_x = mevent.x - win_x; if (inwin_y >= win_h) inwin_y = win_h - 1; if (inwin_y < 0) inwin_y = 0; if (inwin_x >= win_w) inwin_x = win_w - 1; if (inwin_x < 0) inwin_x = 0; ged_mouse_event(&ged_state, (Usz)inwin_y, (Usz)inwin_x, mevent.bstate); } goto next_getch; } case CTRL_PLUS('q'): goto quit; } Qblock* qb = qnav_top_block(); if (qb) { switch (qb->tag) { case Qblock_type_qmsg: { Qmsg* qm = qmsg_of(qb); if (qmsg_drive(qm, key)) qnav_stack_pop(); } break; case Qblock_type_qmenu: { Qmenu* qm = qmenu_of(qb); Qmenu_action act; // special case for main menu: pressing the key to open it will close // it again. if (qmenu_id(qm) == Main_menu_id && (key == CTRL_PLUS('d') || key == KEY_F(1))) { qnav_stack_pop(); break; } if (qmenu_drive(qm, key, &act)) { switch (act.any.type) { case Qmenu_action_type_canceled: { qnav_stack_pop(); } break; case Qmenu_action_type_picked: { if (qmenu_id(qm) == Main_menu_id) { switch (act.picked.id) { case Main_menu_quit: goto quit; case Main_menu_controls: push_controls_msg(); break; case Main_menu_about: push_about_msg(); break; case Main_menu_save: try_save_with_msg(&ged_state); break; case Main_menu_save_as: push_save_as_form(file_name.str); break; } } } break; } } } break; case Qblock_type_qform: { Qform* qf = qform_of(qb); Qform_action act; if (qform_drive(qf, key, &act)) { switch (act.any.type) { case Qform_action_type_canceled: qnav_stack_pop(); break; case Qform_action_type_submitted: { switch (qform_id(qf)) { case Save_as_form_id: { Heapstr temp_name; heapstr_init(&temp_name); if (qform_get_text_line(qf, Save_as_name_id, &temp_name) && heapstr_len(&temp_name) > 0) { qnav_stack_pop(); heapstr_set_cstr(&file_name, temp_name.str); ged_state.filename = file_name.str; try_save_with_msg(&ged_state); } heapstr_deinit(&temp_name); } break; } } break; } } } break; } goto next_getch; } switch (key) { case KEY_UP: case CTRL_PLUS('k'): ged_dir_input(&ged_state, Ged_dir_up); break; case CTRL_PLUS('j'): case KEY_DOWN: ged_dir_input(&ged_state, Ged_dir_down); break; case 127: // backspace in terminal.app, apparently case KEY_BACKSPACE: case CTRL_PLUS('h'): case KEY_LEFT: ged_dir_input(&ged_state, Ged_dir_left); break; case CTRL_PLUS('l'): case KEY_RIGHT: ged_dir_input(&ged_state, Ged_dir_right); break; case CTRL_PLUS('z'): case CTRL_PLUS('u'): ged_input_cmd(&ged_state, Ged_input_cmd_undo); break; case '[': ged_adjust_rulers_relative(&ged_state, 0, -1); break; case ']': ged_adjust_rulers_relative(&ged_state, 0, 1); break; case '{': ged_adjust_rulers_relative(&ged_state, -1, 0); break; case '}': ged_adjust_rulers_relative(&ged_state, 1, 0); break; case '(': ged_resize_grid_relative(&ged_state, 0, -1); break; case ')': ged_resize_grid_relative(&ged_state, 0, 1); break; case '_': ged_resize_grid_relative(&ged_state, -1, 0); break; case '+': ged_resize_grid_relative(&ged_state, 1, 0); break; case '\r': case KEY_ENTER: ged_input_cmd(&ged_state, Ged_input_cmd_toggle_append_mode); break; case '/': ged_input_cmd(&ged_state, Ged_input_cmd_toggle_piano_mode); break; case '<': ged_adjust_bpm(&ged_state, -1); break; case '>': ged_adjust_bpm(&ged_state, 1); break; case CTRL_PLUS('f'): ged_input_cmd(&ged_state, Ged_input_cmd_step_forward); break; case CTRL_PLUS('e'): ged_input_cmd(&ged_state, Ged_input_cmd_toggle_show_event_list); break; case CTRL_PLUS('x'): ged_input_cmd(&ged_state, Ged_input_cmd_cut); break; case CTRL_PLUS('c'): ged_input_cmd(&ged_state, Ged_input_cmd_copy); break; case CTRL_PLUS('v'): ged_input_cmd(&ged_state, Ged_input_cmd_paste); break; case '\'': ged_input_cmd(&ged_state, Ged_input_cmd_toggle_selresize_mode); break; case ' ': if (ged_state.input_mode == Ged_input_mode_append) { ged_input_character(&ged_state, '.'); } else { ged_input_cmd(&ged_state, Ged_input_cmd_toggle_play_pause); } break; case 27: // Escape ged_input_cmd(&ged_state, Ged_input_cmd_escape); break; // Selection size modification. These may not work in all terminals. (Only // tested in xterm so far.) case 337: // shift-up ged_modify_selection_size(&ged_state, -1, 0); break; case 336: // shift-down ged_modify_selection_size(&ged_state, 1, 0); break; case 393: // shift-left ged_modify_selection_size(&ged_state, 0, -1); break; case 402: // shift-right ged_modify_selection_size(&ged_state, 0, 1); break; case 330: // delete? ged_input_character(&ged_state, '.'); break; case CTRL_PLUS('d'): case KEY_F(1): push_main_menu(); break; case '?': push_controls_msg(); break; case CTRL_PLUS('s'): try_save_with_msg(&ged_state); break; default: if (key >= CHAR_MIN && key <= CHAR_MAX && is_valid_glyph((Glyph)key)) { ged_input_character(&ged_state, (char)key); } #if 0 else { fprintf(stderr, "Unknown key number: %d\n", key); } #endif break; } next_getch: key = wgetch(stdscr); if (cur_timeout != 0) { wtimeout(stdscr, 0); cur_timeout = 0; } } quit: ged_stop_all_sustained_notes(&ged_state); qnav_deinit(); if (cont_window) { delwin(cont_window); } endwin(); ged_deinit(&ged_state); heapstr_deinit(&file_name); return 0; }