ref: 46416a7cf609513dd9def022ec99039227375135
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 <getopt.h> #include <locale.h> #include <ncurses.h> #define SOKOL_IMPL #include "sokol_time.h" #undef SOKOL_IMPL #define AND_CTRL(c) ((c)&037) static void usage() { // 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 options:\n" " --osc-port <number> UDP Port to send OSC messages to\n" " Default: none\n" ); // clang-format on } typedef enum { Tui_input_mode_normal = 0, Tui_input_mode_append = 1, Tui_input_mode_piano = 2, } Tui_input_mode; typedef enum { C_natural, C_black, C_red, C_green, C_yellow, C_blue, C_magenta, C_cyan, C_white, } Color_name; enum { Colors_count = C_white + 1, }; enum { Cdef_normal = COLOR_PAIR(1), }; typedef enum { A_normal = A_NORMAL, A_bold = A_BOLD, A_dim = A_DIM, A_standout = A_STANDOUT, A_reverse = A_REVERSE, } Term_attr; ORCA_FORCE_INLINE int fg_bg(Color_name fg, Color_name bg) { return COLOR_PAIR(1 + fg * Colors_count + bg); } 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 ':': 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 int term_attrs_of_cell(Glyph g, Mark m) { Glyph_class gclass = glyph_class_of(g); int 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 struct { Usz y; Usz x; } Tui_cursor; void tui_cursor_init(Tui_cursor* tc) { tc->y = 0; tc->x = 0; } void tui_cursor_move_relative(Tui_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 tdraw_tui_cursor(WINDOW* win, int win_h, int win_w, Glyph const* gbuffer, Usz field_h, Usz field_w, Usz ruler_spacing_y, Usz ruler_spacing_x, Usz cursor_y, Usz cursor_x, Tui_input_mode input_mode, bool is_playing) { (void)ruler_spacing_y; (void)ruler_spacing_x; (void)input_mode; if (cursor_y >= field_h || cursor_x >= field_w || (int)cursor_y >= win_h || (int)cursor_x >= win_w) return; Glyph beneath = gbuffer[cursor_y * field_w + cursor_x]; char displayed; if (beneath == '.') { displayed = is_playing ? '@' : '~'; } else { displayed = beneath; } chtype ch = (chtype)(displayed | (A_reverse | A_bold | fg_bg(C_yellow, C_natural))); wmove(win, (int)cursor_y, (int)cursor_x); waddchnstr(win, &ch, 1); } 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; field_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; } Usz undo_history_count(Undo_history* hist) { return hist->count; } void tdraw_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, Tui_cursor* const tui_cursor, Tui_input_mode input_mode) { (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); wclrtoeol(win); wmove(win, win_y + 1, win_x); wprintw(win, "%d,%d\t1:1\tcell\t", (int)tui_cursor->x, (int)tui_cursor->y); switch (input_mode) { case Tui_input_mode_normal: wattrset(win, A_normal); wprintw(win, "insert"); break; case Tui_input_mode_append: wattrset(win, A_bold); wprintw(win, "append"); break; case Tui_input_mode_piano: wattrset(win, A_reverse); wprintw(win, "trigger"); break; } wattrset(win, A_normal); wprintw(win, "\t%s", filename); wclrtoeol(win); } void tdraw_field(WINDOW* win, int term_h, int term_w, int pos_y, int pos_x, Glyph const* gbuffer, Mark const* mbuffer, Usz field_h, Usz field_w, Usz ruler_spacing_y, Usz ruler_spacing_x) { enum { Bufcount = 4096 }; (void)term_h; (void)term_w; if (field_w > Bufcount) return; if (pos_y >= term_h || pos_x >= term_w) return; Usz num_y = (Usz)term_h - (Usz)pos_y; Usz num_x = (Usz)term_w - (Usz)pos_x; if (field_h < num_y) num_y = field_h; if (field_w < num_x) num_x = field_w; chtype buffer[Bufcount]; bool use_rulers = ruler_spacing_y != 0 && ruler_spacing_x != 0; for (Usz y = 0; y < num_y; ++y) { Glyph const* gline = gbuffer + y * field_w; Mark const* mline = mbuffer + y * field_w; bool use_y_ruler = use_rulers && y % ruler_spacing_y == 0; for (Usz x = 0; x < num_x; ++x) { Glyph g = gline[x]; Mark m = mline[x]; int attrs = term_attrs_of_cell(g, m); if (g == '.') { if (use_y_ruler && x % ruler_spacing_x == 0) g = '+'; } buffer[x] = (chtype)((int)g | attrs); } wmove(win, pos_y + (int)y, pos_x); waddchnstr(win, buffer, (int)num_x); // Trying to clear to eol with 0 chars remaining on line will clear whole // line from start if (pos_x + (int)num_x != term_w) { wmove(win, pos_y + (int)y, pos_x + (int)num_x); wclrtoeol(win); } } } void tui_cursor_confine(Tui_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 tdraw_oevent_list(WINDOW* win, Oevent_list const* oevent_list) { (void)win; (void)oevent_list; wmove(win, 0, 0); int win_h, win_w; getmaxyx(win, win_h, win_w); (void)win_w; 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->oevent_type; switch (evt) { case Oevent_type_midi: { Oevent_midi const* em = (Oevent_midi const*)ev; 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; } } } } void tui_resize_grid(Field* field, Markmap_reusable* markmap, Usz new_height, Usz new_width, Usz tick_num, Field* scratch_field, Undo_history* undo_hist, Tui_cursor* tui_cursor, bool* needs_remarking) { 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); tui_cursor_confine(tui_cursor, new_height, new_width); markmap_reusable_ensure_size(markmap, new_height, new_width); *needs_remarking = true; } static Usz adjust_humanized_snapped(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. void tui_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, Tui_cursor* tui_cursor, bool* needs_remarking) { 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; Usz new_field_h = field_h; Usz new_field_w = field_w; if (delta_h != 0) new_field_h = adjust_humanized_snapped(ruler_y, field_h, delta_h); if (delta_w != 0) new_field_w = adjust_humanized_snapped(ruler_x, field_w, delta_w); if (new_field_h == field_h && new_field_w == field_w) return; tui_resize_grid(field, markmap, new_field_h, new_field_w, tick_num, scratch_field, undo_hist, tui_cursor, needs_remarking); } typedef struct { Field field; Field scratch_field; Markmap_reusable markmap_r; Bank bank; Undo_history undo_hist; Oevent_list oevent_list; Oevent_list scratch_oevent_list; Tui_cursor tui_cursor; Piano_bits piano_bits; Usz tick_num; Usz ruler_spacing_y, ruler_spacing_x; Tui_input_mode input_mode; Usz bpm; double accum_secs; char const* filename; Oosc_dev* oosc_dev; bool needs_remarking; bool is_draw_dirty; bool is_playing; bool draw_event_list; } App_state; void app_init(App_state* a) { field_init(&a->field); field_init(&a->scratch_field); markmap_reusable_init(&a->markmap_r); bank_init(&a->bank); undo_history_init(&a->undo_hist); tui_cursor_init(&a->tui_cursor); oevent_list_init(&a->oevent_list); oevent_list_init(&a->scratch_oevent_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 = Tui_input_mode_normal; a->bpm = 120; a->accum_secs = 0.0; a->filename = NULL; a->oosc_dev = NULL; a->needs_remarking = true; a->is_draw_dirty = false; a->is_playing = false; a->draw_event_list = false; } void app_deinit(App_state* a) { field_deinit(&a->field); field_deinit(&a->scratch_field); markmap_reusable_deinit(&a->markmap_r); bank_deinit(&a->bank); undo_history_deinit(&a->undo_hist); oevent_list_deinit(&a->oevent_list); oevent_list_deinit(&a->scratch_oevent_list); if (a->oosc_dev) { oosc_dev_destroy(a->oosc_dev); } } bool app_is_draw_dirty(App_state* a) { return a->is_draw_dirty || a->needs_remarking; } double app_secs_to_deadline(App_state const* a) { if (a->is_playing) { double secs_span = 60.0 / (double)a->bpm / 4.0; double rem = secs_span - a->accum_secs; if (rem < 0.0) rem = 0.0; return rem; } else { return 1.0; } } void app_apply_delta_secs(App_state* a, double secs) { if (a->is_playing) { a->accum_secs += secs; } } bool app_set_osc_udp_port(App_state* a, U16 port) { if (a->oosc_dev) { oosc_dev_destroy(a->oosc_dev); a->oosc_dev = NULL; } Oosc_udp_create_error err = oosc_dev_create_udp(&a->oosc_dev, port); if (err) { return false; } return true; } void app_do_stuff(App_state* a) { double secs_span = 60.0 / (double)a->bpm / 4.0; Oosc_dev* oosc_dev = a->oosc_dev; while (a->accum_secs > secs_span) { a->accum_secs -= secs_span; 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->bank, &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; if (oosc_dev) { Oevent const* events = a->oevent_list.buffer; Usz oevent_count = a->oevent_list.count; for (Usz i = 0; i < oevent_count; ++i) { Oevent const* e = events + i; switch ((Oevent_types)e->oevent_type) { case Oevent_type_midi: { Oevent_midi const* em = (Oevent_midi const*)e; I32 ints[5]; ints[0] = em->channel; ints[1] = em->octave; ints[2] = em->note; ints[3] = em->velocity; ints[4] = em->bar_divisor; oosc_send_int32s(oosc_dev, "/test", ints, ORCA_ARRAY_COUNTOF(ints)); } break; } } } } } static double ms_to_sec(double ms) { return ms / 1000.0; } void app_force_draw_dirty(App_state* a) { a->is_draw_dirty = true; } void app_draw(App_state* 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->bank, &a->scratch_oevent_list, a->piano_bits); a->needs_remarking = false; } int win_h, win_w; getmaxyx(win, win_h, win_w); tdraw_field(win, win_h, win_w, 0, 0, a->field.buffer, a->markmap_r.buffer, a->field.height, a->field.width, a->ruler_spacing_y, a->ruler_spacing_x); for (int y = a->field.height; y < win_h - 1; ++y) { wmove(win, y, 0); wclrtoeol(win); } tdraw_tui_cursor(win, win_h, win_w, a->field.buffer, a->field.height, a->field.width, a->ruler_spacing_y, a->ruler_spacing_x, a->tui_cursor.y, a->tui_cursor.x, a->input_mode, a->is_playing); if (win_h > 3) { char const* filename = a->filename ? a->filename : ""; tdraw_hud(win, win_h - 2, 0, 2, win_w, filename, a->field.height, a->field.width, a->ruler_spacing_y, a->ruler_spacing_x, a->tick_num, a->bpm, &a->tui_cursor, a->input_mode); } if (a->draw_event_list) { tdraw_oevent_list(win, &a->oevent_list); } a->is_draw_dirty = false; wrefresh(win); } void app_adjust_bpm(App_state* 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 app_move_cursor_relative(App_state* a, Isz delta_y, Isz delta_x) { tui_cursor_move_relative(&a->tui_cursor, a->field.height, a->field.width, delta_y, delta_x); a->is_draw_dirty = true; } void app_adjust_rulers_relative(App_state* 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; } void app_resize_grid_relative(App_state* a, Isz delta_y, Isz delta_x) { tui_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->tui_cursor, &a->needs_remarking); a->is_draw_dirty = true; } void app_write_character(App_state* 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->tui_cursor.y, a->tui_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 == Tui_input_mode_append) { tui_cursor_move_relative(&a->tui_cursor, a->field.height, a->field.width, 0, 1); } a->is_draw_dirty = true; } void app_add_piano_bits_for_character(App_state* a, char c) { Piano_bits added_bits = piano_bits_of((Glyph)c); a->piano_bits |= added_bits; } void app_input_character(App_state* a, char c) { bool ok = c >= '!' && c <= '~'; if (!ok) return; switch (a->input_mode) { case Tui_input_mode_normal: case Tui_input_mode_append: app_write_character(a, c); break; case Tui_input_mode_piano: app_add_piano_bits_for_character(a, c); break; } } typedef enum { App_input_cmd_undo, App_input_cmd_toggle_append_mode, App_input_cmd_toggle_piano_mode, App_input_cmd_step_forward, App_input_cmd_toggle_show_event_list, App_input_cmd_toggle_play_pause, } App_input_cmd; void app_input_cmd(App_state* a, App_input_cmd ev) { switch (ev) { case App_input_cmd_undo: if (undo_history_count(&a->undo_hist) > 0) { undo_history_pop(&a->undo_hist, &a->field, &a->tick_num); a->needs_remarking = true; a->is_draw_dirty = true; } break; case App_input_cmd_toggle_append_mode: if (a->input_mode == Tui_input_mode_append) { a->input_mode = Tui_input_mode_normal; } else { a->input_mode = Tui_input_mode_append; } a->is_draw_dirty = true; break; case App_input_cmd_toggle_piano_mode: if (a->input_mode == Tui_input_mode_piano) { a->input_mode = Tui_input_mode_normal; } else { a->input_mode = Tui_input_mode_piano; } a->is_draw_dirty = true; break; case App_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->bank, &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 App_input_cmd_toggle_play_pause: if (a->is_playing) { a->is_playing = false; // nodelay(stdscr, FALSE); } else { a->is_playing = true; // nodelay(stdscr, TRUE); } a->accum_secs = 0.0; a->is_draw_dirty = true; break; case App_input_cmd_toggle_show_event_list: a->draw_event_list = !a->draw_event_list; a->is_draw_dirty = true; break; } } enum { Argopt_margins = UCHAR_MAX + 1, Argopt_osc_port, }; int main(int argc, char** argv) { static struct option tui_options[] = { {"margins", required_argument, 0, Argopt_margins}, {"help", no_argument, 0, 'h'}, {"osc-port", required_argument, 0, Argopt_osc_port}, {NULL, 0, NULL, 0}}; char* input_file = NULL; int margin_thickness = 2; U16 osc_port = 0; 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_port: { int osc_port0 = atoi(optarg); if (osc_port0 <= 0) { fprintf(stderr, "OSC port must be greater than 0.\n"); return 1; } else if (osc_port0 > UINT16_MAX) { fprintf(stderr, "OSC port must be <= %d\n", (int)UINT16_MAX); return 1; } osc_port = (U16)osc_port0; } 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; } App_state app_state; app_init(&app_state); if (osc_port != 0) { if (!app_set_osc_udp_port(&app_state, osc_port)) { fprintf(stderr, "Failed to open OSC UDP port %d\n", (int)osc_port); exit(1); } } if (input_file) { Field_load_error fle = field_load_file(input_file, &app_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); app_deinit(&app_state); return 1; } } else { input_file = "unnamed"; field_init_fill(&app_state.field, 25, 57, '.'); } app_state.filename = input_file; // Set up timer lib stm_setup(); // Enable UTF-8 by explicitly initializing our locale before initializing // ncurses. 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, and receive shift, control, etc. as // separate events, instead of combined with individual characters. // raw(); // Don't echo keyboard input noecho(); // Also receive arrow keys, etc. keypad(stdscr, TRUE); // Hide the terminal cursor curs_set(0); // Don't block on calls like getch() -- have it ERR immediately if the user // hasn't typed anything. That way we can mix other timers in our code, // instead of being a slave only to terminal input. // nodelay(stdscr, TRUE); // Enable color start_color(); use_default_colors(); for (int ifg = 0; ifg < Colors_count; ++ifg) { for (int ibg = 0; ibg < Colors_count; ++ibg) { int res = init_pair((short int)(1 + ifg * Colors_count + ibg), (short int)(ifg - 1), (short int)(ibg - 1)); if (res == ERR) { endwin(); fprintf(stderr, "Error initializing color\n"); exit(1); } } } WINDOW* cont_win = NULL; int key = KEY_RESIZE; wtimeout(stdscr, 0); U64 last_time = 0; int cur_timeout = 0; // double accum_time = 0.0; for (;;) { switch (key) { case ERR: { U64 diff = stm_laptime(&last_time); app_apply_delta_secs(&app_state, stm_sec(diff)); app_do_stuff(&app_state); if (app_is_draw_dirty(&app_state)) { app_draw(&app_state, cont_win); } diff = stm_laptime(&last_time); app_apply_delta_secs(&app_state, stm_sec(diff)); double secs_to_d = app_secs_to_deadline(&app_state); // fprintf(stderr, "to deadline: %f\n", secs_to_d); int new_timeout; if (secs_to_d < ms_to_sec(0.5)) { new_timeout = 0; } else if (secs_to_d < ms_to_sec(3.0)) { new_timeout = 1; } else if (secs_to_d < ms_to_sec(10.0)) { new_timeout = 1; } else if (secs_to_d < ms_to_sec(50.0)) { new_timeout = 10; } else { new_timeout = 10; } if (new_timeout != cur_timeout) { wtimeout(stdscr, new_timeout); } //struct timespec ts; //ts.tv_sec = 0; //// ts.tv_nsec = 1000 * 1000 * 1; //ts.tv_nsec = 1; //int ret = nanosleep(&ts, NULL); //if (ret) { // fprintf(stderr, "interrupted sleep: %d\n", ret); //} } break; 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_win == NULL || getmaxy(cont_win) != content_h || getmaxx(cont_win) != content_w) { if (cont_win) { delwin(cont_win); } wclear(stdscr); cont_win = derwin(stdscr, content_h, content_w, content_y, content_x); app_force_draw_dirty(&app_state); } } break; case AND_CTRL('q'): goto quit; case KEY_UP: case AND_CTRL('k'): app_move_cursor_relative(&app_state, -1, 0); break; case AND_CTRL('j'): case KEY_DOWN: app_move_cursor_relative(&app_state, 1, 0); break; case KEY_BACKSPACE: case AND_CTRL('h'): case KEY_LEFT: app_move_cursor_relative(&app_state, 0, -1); break; case AND_CTRL('l'): case KEY_RIGHT: app_move_cursor_relative(&app_state, 0, 1); break; case AND_CTRL('u'): app_input_cmd(&app_state, App_input_cmd_undo); break; case '[': app_adjust_rulers_relative(&app_state, 0, -1); break; case ']': app_adjust_rulers_relative(&app_state, 0, 1); break; case '{': app_adjust_rulers_relative(&app_state, -1, 0); break; case '}': app_adjust_rulers_relative(&app_state, 1, 0); break; case '(': app_resize_grid_relative(&app_state, 0, -1); break; case ')': app_resize_grid_relative(&app_state, 0, 1); break; case '_': app_resize_grid_relative(&app_state, -1, 0); break; case '+': app_resize_grid_relative(&app_state, 1, 0); break; case '\r': case KEY_ENTER: app_input_cmd(&app_state, App_input_cmd_toggle_append_mode); break; case '/': app_input_cmd(&app_state, App_input_cmd_toggle_piano_mode); break; case '<': app_adjust_bpm(&app_state, -1); break; case '>': app_adjust_bpm(&app_state, 1); break; case AND_CTRL('f'): { app_input_cmd(&app_state, App_input_cmd_step_forward); } break; case AND_CTRL('e'): app_input_cmd(&app_state, App_input_cmd_toggle_show_event_list); break; case ' ': app_input_cmd(&app_state, App_input_cmd_toggle_play_pause); break; default: if (key >= '!' && key <= '~') { app_input_character(&app_state, (char)key); } break; #if 0 else { fprintf(stderr, "Unknown key number: %d\n", key); } #endif break; } key = wgetch(stdscr); } quit: if (cont_win) { delwin(cont_win); } endwin(); app_deinit(&app_state); return 0; }