From e3ea3965890dcbccc9a7d2958472f0ed46b872fc Mon Sep 17 00:00:00 2001
From: mbkma <johannes.unruh@fau.de>
Date: Sat, 20 Feb 2021 09:45:59 +0100
Subject: history view follows preferences

---
 src/math-history-entry.c | 47 ++++++++++++++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 13 deletions(-)

(limited to 'src/math-history-entry.c')

diff --git a/src/math-history-entry.c b/src/math-history-entry.c
index 8277f88..f3f0f5b 100644
--- a/src/math-history-entry.c
+++ b/src/math-history-entry.c
@@ -20,6 +20,7 @@ struct MathHistoryEntryPrivate
 {
     MathEquation *equation;
 
+    MPNumber *number;
     GtkWidget *equation_label;
     GtkWidget *answer_label;
 };
@@ -59,33 +60,39 @@ equation_clicked_cb (GtkWidget *widget, GdkEventButton *eventbutton, MathHistory
 }
 
 void
-math_history_entry_insert_entry(MathHistoryEntry *history_entry, const gchar *equation, const gchar *answer_four_digits, const gchar *answer_nine_digits)
+math_history_entry_insert_entry(MathHistoryEntry *history_entry, const gchar *equation, MPNumber *answer, MpSerializer *serializer)
 {
     #define get_widget(x) GTK_WIDGET(gtk_builder_get_object(builder, x))
 
-    GtkBuilder *builder = NULL;
+    GtkBuilder *builder;
     GtkWidget *grid;
-    GError *error = NULL;
-
-    builder = gtk_builder_new();
-    if(gtk_builder_add_from_resource (builder, UI_HISTORY_ENTRY_RESOURCE_PATH, &error) == 0)
-    {
-        g_warning("Error loading history-entry UI: %s", error->message);
-        g_clear_error(&error);
-        return;
-    }
+
+    mp_set_from_mp(answer, history_entry->priv->number);
+
+    builder = gtk_builder_new_from_resource(UI_HISTORY_ENTRY_RESOURCE_PATH);
     grid = get_widget("grid");
     gtk_container_add(GTK_CONTAINER(history_entry), grid);
     history_entry->priv->equation_label = get_widget("equation_label");
     history_entry->priv->answer_label = get_widget("answer_label");
     gtk_widget_set_tooltip_text(history_entry->priv->equation_label, equation);
-    gtk_widget_set_tooltip_text(history_entry->priv->answer_label, answer_nine_digits);
     gtk_label_set_text(GTK_LABEL(history_entry->priv->equation_label), equation);
-    gtk_label_set_text(GTK_LABEL(history_entry->priv->answer_label), answer_four_digits);
     gtk_builder_connect_signals(builder, history_entry);
     g_object_unref(builder);
 
     #undef get_widget
+
+    math_history_entry_redisplay(history_entry, serializer);
+}
+
+void
+math_history_entry_redisplay(MathHistoryEntry *history_entry, MpSerializer *serializer)
+{
+    gchar *answer = mp_serializer_to_string(serializer, history_entry->priv->number);
+
+    gtk_widget_set_tooltip_text(history_entry->priv->answer_label, answer);
+    gtk_label_set_text(GTK_LABEL(history_entry->priv->answer_label), answer);
+
+    g_free(answer);
 }
 
 gchar *
@@ -94,13 +101,27 @@ math_history_entry_get_equation(MathHistoryEntry *history_entry)
     return gtk_widget_get_tooltip_text(history_entry->priv->equation_label);
 }
 
+static void
+math_history_entry_finalize(GObject *object)
+{
+    MathHistoryEntry *self = MATH_HISTORY_ENTRY (object);
+
+    mp_free(self->priv->number);
+
+    G_OBJECT_CLASS (math_history_entry_parent_class)->finalize (object);
+}
+
 static void
 math_history_entry_class_init(MathHistoryEntryClass *klass)
 {
+    GObjectClass *object_class = G_OBJECT_CLASS(klass);
+
+    object_class->finalize = math_history_entry_finalize;
 }
 
 static void
 math_history_entry_init(MathHistoryEntry *history_entry)
 {
     history_entry->priv = math_history_entry_get_instance_private(history_entry);
+    history_entry->priv->number = mp_new_ptr();
 }
-- 
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