gtk: add tone viewer

1 files changed, 107 insertions, 0 deletions

diff --git a/gtk/toneview.c b/gtk/toneview.c
new file mode 100644
index 0000000..79750fe
--- /dev/null
+++ b/gtk/toneview.c
@@ -0,0 +1,107 @@
+#include <gtk/gtk.h>
+#include "toneview.h"
+#include <stdatomic.h>
+#include <stdbool.h>
+
+struct toneview_g toneview_g;
+
+static struct {
+  GtkWidget *tonewin;
+  GtkWidget *label[6];
+  struct fmplayer_tonedata tonedata;
+  struct fmplayer_tonedata tonedata_n;
+  char strbuf[FMPLAYER_TONEDATA_STR_SIZE];
+  enum fmplayer_tonedata_format format;
+  bool normalize;
+  GtkClipboard *clipboard;
+} g;
+
+static void on_destroy(GtkWidget *w, gpointer ptr) {
+  (void)w;
+  (void)ptr;
+  g.tonewin = 0;
+}
+
+gboolean tick_cb(GtkWidget *widget, GdkFrameClock *clock, gpointer ptr) {
+  (void)widget;
+  (void)clock;
+  (void)ptr;
+  bool xchg = false;
+  if (atomic_compare_exchange_weak_explicit(&toneview_g.flag, &xchg, true,
+      memory_order_acquire, memory_order_relaxed)) {
+    g.tonedata = toneview_g.tonedata;
+    atomic_store_explicit(&toneview_g.flag, false, memory_order_release);
+  }
+  g.tonedata_n = g.tonedata;
+  for (int c = 0; c < 6; c++) {
+    if (g.normalize) {
+      tonedata_ch_normalize_tl(&g.tonedata_n.ch[c]);
+    }
+    tonedata_ch_string(g.format, g.strbuf, &g.tonedata_n.ch[c], 0);
+    gtk_label_set_text(GTK_LABEL(g.label[c]), g.strbuf);
+  }
+  return G_SOURCE_CONTINUE;
+}
+
+static void on_format_changed(GtkComboBox *widget, gpointer ptr) {
+  (void)ptr;
+  g.format = gtk_combo_box_get_active(widget);
+}
+
+static void on_normalize_toggled(GtkToggleButton *widget, gpointer ptr) {
+  (void)ptr;
+  g.normalize = gtk_toggle_button_get_active(widget);
+}
+
+static void on_copy_clicked(GtkButton *button, gpointer ptr) {
+  (void)button;
+  int c = (intptr_t)ptr;
+  if (!g.clipboard) {
+    GdkDisplay *disp = gdk_display_get_default();
+    if (disp) {
+      g.clipboard = gtk_clipboard_get_default(disp);
+    }
+  }
+  if (g.clipboard) {
+    tonedata_ch_string(g.format, g.strbuf, &g.tonedata_n.ch[c], 0);
+    gtk_clipboard_set_text(g.clipboard, g.strbuf, -1);
+  }
+}
+
+void show_toneview(void) {
+  if (!g.tonewin) {
+    g.tonewin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+    gtk_window_set_title(GTK_WINDOW(g.tonewin), "FM Tone Viewer");
+    g_signal_connect(g.tonewin, "destroy", G_CALLBACK(on_destroy), 0);
+    GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
+    gtk_container_add(GTK_CONTAINER(g.tonewin), box);
+    GtkWidget *ctrlbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
+    gtk_container_add(GTK_CONTAINER(box), ctrlbox);
+    GtkWidget *format = gtk_combo_box_text_new();
+    gtk_box_pack_start(GTK_BOX(ctrlbox), format, FALSE, TRUE, 0);
+    gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(format), "PMD");
+    gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(format), "FMP");
+    gtk_combo_box_set_active(GTK_COMBO_BOX(format), g.format);
+    g_signal_connect(format, "changed", G_CALLBACK(on_format_changed), 0);
+    GtkWidget *normalizecheck = gtk_check_button_new_with_label("Normalize");
+    gtk_box_pack_start(GTK_BOX(ctrlbox), normalizecheck, FALSE, TRUE, 0);
+    g_signal_connect(normalizecheck, "toggled", G_CALLBACK(on_normalize_toggled), 0);
+    for (int c = 0; c < 6; c++) {
+      GtkWidget *cbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
+      gtk_box_pack_start(GTK_BOX(box), cbox, TRUE, TRUE, 0);
+      GtkWidget *tonetext = gtk_label_new(0);
+      PangoAttrList *pattrl = pango_attr_list_new();
+      PangoAttribute *pattr = pango_attr_family_new("monospace");
+      pango_attr_list_insert(pattrl, pattr);
+      gtk_label_set_attributes(GTK_LABEL(tonetext), pattrl);
+      pango_attr_list_unref(pattrl);
+      gtk_box_pack_start(GTK_BOX(cbox), tonetext, TRUE, TRUE, 0);
+      GtkWidget *copybutton = gtk_button_new_with_label("Copy");
+      g_signal_connect(copybutton, "clicked", G_CALLBACK(on_copy_clicked), (gpointer)((intptr_t)c));
+      gtk_box_pack_start(GTK_BOX(cbox), copybutton, FALSE, TRUE, 0);
+      g.label[c] = tonetext;
+    }
+    gtk_widget_add_tick_callback(g.tonewin, tick_cb, 0, 0);
+    gtk_widget_show_all(g.tonewin);
+  }
+}