From f2683a4b707cd714b7f540ebf6482563df83d51e Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@bauklotz.fritz.box>
Date: Sat, 8 Apr 2017 14:21:36 +0200
Subject: Near complete rewrite.

---
 main-sdl.c | 245 +++++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 215 insertions(+), 30 deletions(-)

(limited to 'main-sdl.c')

diff --git a/main-sdl.c b/main-sdl.c
index 687e5c7..6bc3970 100644
--- a/main-sdl.c
+++ b/main-sdl.c
@@ -10,22 +10,31 @@
 #include <termios.h>
 #include <unistd.h>
 #include <dirent.h>
+#include <pwd.h>
 
 #include <SDL2/SDL.h>
 #include "display.h"
 #include "config.h"
 #include "engine.h"
+#include "calib.h"
 
 /***
     Global config and status values
  ***/
 
 /* Window width and height */
-// const int g_width = 1024, g_height = 768;
-const int g_width = 800, g_height = 600;
+enum {
+    HARFE_WIDTH = 1024,
+    HARFE_HEIGHT = 768,
+    SCREEN_WIDTH = 800,
+    SCREEN_HEIGHT = 600
+};
 
 int     g_harfe_connected = 0;
 int     g_harfe_fd = -1;
+int     g_importing_config = 0;
+ConfigSource g_config_source = source_none;
+int     g_calibration_running = 0;
 
 static char *
 find_harfe()
@@ -150,6 +159,13 @@ harfe_worker(void)
         free(portname);
         g_harfe_connected = 1;
 
+        /* Get remote config (if any) */
+        config_reset();
+        write(g_harfe_fd, "S2\n", 3);
+        usleep(50);
+        g_importing_config = 1;
+        write(g_harfe_fd, "I\n", 2);
+
         while (running) {
                 while (text_fill < sizeof(text) && !memchr(text, '\n', text_fill)) {
                         ssize_t b = read(g_harfe_fd, text + text_fill, sizeof(text) - text_fill);
@@ -178,15 +194,29 @@ harfe_worker(void)
                 if (text_fill && lineend[-1] == '\r')
                         lineend[-1] = 0;
 printf( "%s\n", text );
-                int num_points = sscanf(text, "%04d:%04d %04d:%04d %04d:%04d %04d:%04d", &p[0].x, &p[0].y, &p[1].x, &p[1].y, &p[2].x, &p[2].y, &p[3].x, &p[3].y);
 
-                ptime = now();
-                for (i = 0; i < num_points / 2; ++i) {
+                if (g_importing_config) {
+                    if (!strcmp(text, "-- DONE")) {
+                        g_importing_config = 0;
+                        g_config_source = source_harfe;
+                    } else
+                        config_handle_line(text);
+                } else {
+
+                    int num_points = sscanf(text, "%04d:%04d %04d:%04d %04d:%04d %04d:%04d", &p[0].x, &p[0].y, &p[1].x, &p[1].y, &p[2].x, &p[2].y, &p[3].x, &p[3].y);
+
+                    ptime = now();
+                    for (i = 0; i < num_points / 2; ++i) {
                         // printf("%04d:%04d\n", p[i].x, p[i].y);
-                        engine_handle_point(p + i, ptime);
-                }
-                if (num_points > 1 || *text == '-')
+
+                        if (!g_calibration_running)
+                            engine_handle_point(p + i, ptime);
+                        else
+                            calib_handle_point(p + i, ptime);
+                    }
+                    if (num_points > 1 || *text == '-')
                         ++g_events;
+                }
 
                 consumed = lineend - text + 1;
                 memmove(text, lineend + 1, text_fill - consumed);
@@ -226,6 +256,36 @@ config_parse(char *config_file)
         }
 
         fclose(fh);
+        g_config_source = source_file;
+}
+
+static void
+calib_fetch() {
+    int default_notes[] = { 60, 62, 64, 65, 67, 69, 71, 72, 74, 76, 77, 79, 81, 83 };
+    int i, result_count;
+    LLine *result = calib_get_results(&result_count);
+
+    config_reset();
+    g_string_count = result_count;
+
+    g_min_y = 0; g_max_y = 1024;
+
+    for (i=0; i<g_string_count; ++i) {
+        LLine *l = result + i;
+
+        if (l->p0.y > g_min_y)
+            g_min_y = l->p0.y;
+        if (l->p1.y < g_max_y)
+            g_max_y = l->p1.y;
+
+        g_string_conf[i].line       = *l;
+        g_string_conf[i].mode       = midi_three_octaves;
+        g_string_conf[i].channel    = i;
+        g_string_conf[i].note       = default_notes[i];
+        g_string_conf[i].modifier   = pitch_bend_up;
+    }
+
+    g_config_source = source_edit;
 }
 
 int
@@ -236,48 +296,153 @@ main(int argc, char **argv)
         pthread_t thread_id;
         uint32_t runtime;
         static int last_click_x, last_click_y, last_mouse_event;
+        static int g_up_pressed = 0, g_down_pressed = 0;
 
-        display_init(g_width, g_height);
+        display_init(SCREEN_WIDTH, SCREEN_HEIGHT, HARFE_WIDTH, HARFE_HEIGHT);
         engine_init();
-        config_parse("config_midi");
+//        config_parse("config_midi");
 
         pthread_create(&thread_id, NULL, worker, NULL);
 
+/*
+        E - Export config to Harfe (with implicite write to SD)
+        I - Import config from Harfe
+        W - Write config on Harfe to SD (no implicite Transfer)
+
+        S - Save config to local file
+        L - Load config from local default (config_midi)
+
+        Y - Invert String order
+
+        Q - Reset local Config
+        C - Start calibration
+        M - Play MIDI C through Harfe
+*/
+
         /* Spin and let call back do all the work */
         while (1) {
                 SDL_WaitEventTimeout(&ev, 10);
                 switch (ev.type) {
                 case SDL_QUIT:
                         exit(0);
-                case SDL_KEYDOWN:
+                case SDL_KEYUP:
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_UP) g_up_pressed = 0;
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_DOWN) g_down_pressed = 0;
+                    break;
+            case SDL_KEYDOWN:
 /*
-        if( ev.key.keysym.sym >= SDLK_1 && ev.key.keysym.sym <= SDLK_9 )
+        if ( ev.key.keysym.sym >= SDLK_1 && ev.key.keysym.sym <= SDLK_9 )
           engine_select_string( ev.key.keysym.sym - SDLK_1 );
-        if( ev.key.keysym.sym == SDLK_BACKSPACE || ev.key.keysym.sym == SDLK_DELETE )
+        if ( ev.key.keysym.sym == SDLK_BACKSPACE || ev.key.keysym.sym == SDLK_DELETE )
           engine_delete_selected_string( );
-        if( ev.key.keysym.sym == SDLK_d ) {
+        if ( ev.key.keysym.sym == SDLK_d ) {
           g_stringsdescending = 1 - g_stringsdescending;
           printf( "String order (left to right) is now %sscending.\n", g_stringsdescending ? "de" : "a" );
         }
 */
-                    if( ev.key.keysym.scancode == SDL_SCANCODE_R) {
-                        fprintf( stderr, "re-read config\n" );
-                        write(g_harfe_fd, "R\n", 2);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_0)
+                        engine_select_config(sel_none);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_1)
+                        engine_select_config(sel_min_y);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_2)
+                        engine_select_config(sel_max_y);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_3)
+                        engine_select_config(sel_2_oct);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_4)
+                        engine_select_config(sel_3_oct_top);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_5)
+                        engine_select_config(sel_3_oct_bottom);
+
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_UP && ! g_up_pressed++)
+                        engine_change_selected(1);
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_DOWN && ! g_down_pressed++)
+                        engine_change_selected(-1);
+
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_S) { /* export locally */
+                        const char *homeDir = getenv("HOME");
+                        char savefile[512], date[32], confdump[512];
+                        time_t t = time(NULL);
+                        struct tm *tmp = localtime(&t);
+                        int fd;
+                        size_t len;
+
+                        if (!homeDir) {
+                            struct passwd* pwd = getpwuid(getuid());
+                            if (pwd)
+                                homeDir = (const char*)pwd->pw_dir;
+                        }
+                        strftime(date, sizeof(date), "%Y-%m-%d-%H-%M-%S", tmp);
+                        snprintf( savefile, sizeof(savefile), "%s/Laserharfe-%s.cfg", homeDir, date);
+                        fd = open(savefile, O_WRONLY | O_CREAT | O_TRUNC, 0644);
+
+                        len = config_dumpglobals( confdump, sizeof(confdump));
+                        write(fd, confdump, len );
+                        for (i=0; i<g_string_count; ++i) {
+                            len = config_dumpstring(i, confdump, sizeof(confdump));
+                            write(fd, confdump, len );
+                        }
+                        close(fd);
+                    }
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_W) {
+                        fprintf( stderr, "write remote config\n" );
+                        write(g_harfe_fd, "W\n", 2);
+                    }
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_I) {
+                        fprintf( stderr, "dump config\n" );
+                        config_reset();
+                        g_importing_config = 1;
+                        write(g_harfe_fd, "I\n", 2);
+                    }
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_Q)
+                        config_reset();
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_L)
+                        config_parse("config_midi");
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_Y) {
+                        for (i=0; i<g_string_count/2; ++i) {
+                            LLine temp = g_string_conf[i].line;
+                            g_string_conf[i].line = g_string_conf[g_string_count-i-1].line;
+                            g_string_conf[g_string_count-i-1].line = temp;
+                        }
+                        g_config_source = source_edit;
+                    }
+                    if (ev.key.keysym.scancode == SDL_SCANCODE_X) {
+                        g_midi_three_octave_split_inverse ^= 1;
+                        g_config_source = source_edit;
                     }
-                    if( ev.key.keysym.scancode == SDL_SCANCODE_D) {
-                        fprintf( stderr, "Dumping\n" );
-                        write(g_harfe_fd, "D\n", 2);
+#ifdef CALIB_DEBUG
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_SPACE)
+                        if (g_calibration_running)
+                            calib_next(10);
+#endif
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_C) {
+                        if (g_calibration_running)
+                            calib_fetch();
+                        else
+                            calib_init();
+                        g_calibration_running = 1 - g_calibration_running;
                     }
-                    if( ev.key.keysym.scancode == SDL_SCANCODE_C) {
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_E) {
                         char confdump[512];
-                        config_dumpglobals( confdump, sizeof(confdump));
-                        fputs( confdump, stderr);
+                        if (!g_harfe_connected) {
+                            display_messagebox( "Not connected", "Can't write config if Harfe is not connected.");
+                            break;
+                        }
+                        if ((int)g_config_source < 2) {
+                            display_messagebox( "No changes", "Config is unchanged. Won't write config to Harfe.");
+                            break;
+                        }
+                        write(g_harfe_fd, "E\n", 2);
+                        size_t len = config_dumpglobals( confdump, sizeof(confdump));
+                        write(g_harfe_fd, confdump, len );
                         for (i=0; i<g_string_count; ++i) {
-                            config_dumpstring(i, confdump, sizeof(confdump));
-                            fputs( confdump, stderr);
+                            len = config_dumpstring(i, confdump, sizeof(confdump));
+                            write(g_harfe_fd, confdump, len );
                         }
+                        write(g_harfe_fd, "-- DONE\n", 8); /* End dump marker */
+                        write(g_harfe_fd, "W\n", 2); /* Remote write to SD */
+                        g_config_source = source_harfe;
                     }
-                    if( ev.key.keysym.scancode == SDL_SCANCODE_M) {
+                    if ( ev.key.keysym.scancode == SDL_SCANCODE_M) {
                         fprintf( stderr, "MIDIing on %d\n", g_harfe_fd );
                         if (g_harfe_connected && (g_harfe_fd != -1))
                             write(g_harfe_fd, "ME20020\nM824C00\n", 16);
@@ -285,20 +450,40 @@ main(int argc, char **argv)
                     break;
                 case SDL_MOUSEBUTTONDOWN:
 /*
-        if( ( g_last_mouse_event / 1000 ) != ( engine_now( ) / 1000 ) || ev.button.x != last_click_x || ev.button.y != last_click_y )
+        if ( ( g_last_mouse_event / 1000 ) != ( engine_now( ) / 1000 ) || ev.button.x != last_click_x || ev.button.y != last_click_y )
           engine_process_mouse( ev.button.x, ev.button.y );
         last_click_x = ev.button.x;
         last_click_y = ev.button.y;
         last_mouse_event = engine_now( );
 */
+                        {
+                            LPoint p = { display_scale_screen_to_harfe(ev.button.x), 768 - display_scale_screen_to_harfe(ev.button.y) };
+                            engine_handle_point(&p, now());
+                        }
                         break;
+                case SDL_DROPFILE: {      // In case if dropped file
+                        char t[512];
+                        int ret;
+                        snprintf( t, sizeof(t), "Do you want to import config file %s?\n", ev.drop.file);
+                        if ((ret= display_messagebox_yesno("Import Laserharfe config", t)))
+                            config_parse(ev.drop.file);
+                        printf( "Dropped: %s (%d)\n", ev.drop.file, ret );
+                        break;
+                    }
+
                 }
+                if (!g_calibration_running || !g_importing_config)
+                    engine_checksilence(now());
 
-                engine_checksilence(now());
                 runtime = now();
-                if (runtime - g_lastredraw > 30) {
+                if (runtime - g_lastredraw > 30 && !g_importing_config) {
                         g_lastredraw = runtime;
-                        engine_redraw();
+
+                        if (!g_calibration_running)
+                            engine_redraw();
+                        else
+                            calib_redraw();
+
                 }
                 if (runtime / 1000 - g_last_avg > 10) {
                         printf("avg: %i\n", g_events / 10);
-- 
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