ref: d7caa20113040ee9e6612e9246c7520360158fb7
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
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"
);
// 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;
Bank bank;
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);
bank_init(&a->bank);
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);
bank_deinit(&a->bank);
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 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;
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;
// fprintf(stderr, "err: %f\n", a->accum_secs);
do_play = true;
break;
}
if (secs_span - sdiff > ms_to_sec(2.0))
break;
}
if (do_play) {
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;
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->bank, &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->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 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;
} 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;
}
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,
};
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},
{NULL, 0, NULL, 0}};
char* input_file = NULL;
int margin_thickness = 2;
char const* osc_hostname = NULL;
char const* osc_port = NULL;
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 '?':
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);
// 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(2.0)) {
new_timeout = 0;
} else if (secs_to_d < ms_to_sec(10.0)) {
new_timeout = 2;
} else if (secs_to_d < ms_to_sec(50.0)) {
new_timeout = 15;
} else {
new_timeout = 20;
}
if (new_timeout != cur_timeout) {
wtimeout(stdscr, new_timeout);
cur_timeout = new_timeout;
}
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;
}