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/*
* Copyright (C) 2020 MATE developers
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 2 of the License, or (at your option) any later
* version. See http://www.gnu.org/copyleft/gpl.html the full text of the
* license.
*
*
*/
#include <string.h>
#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>
#include "math-history-entry.h"
struct MathHistoryEntryPrivate
{
MathEquation *equation;
MPNumber *number;
GtkWidget *equation_label;
GtkWidget *answer_label;
};
G_DEFINE_TYPE_WITH_PRIVATE (MathHistoryEntry, math_history_entry, GTK_TYPE_LIST_BOX_ROW);
#define UI_HISTORY_ENTRY_RESOURCE_PATH "/org/mate/calculator/ui/history-entry.ui"
MathHistoryEntry *
math_history_entry_new(MathEquation *equation)
{
MathHistoryEntry *history_entry = g_object_new(math_history_entry_get_type(), NULL);
history_entry->priv->equation = g_object_ref(equation);
return history_entry;
}
void answer_clicked_cb(GtkWidget *widget, GdkEventButton *eventbutton, MathHistoryEntry *history_entry);
G_MODULE_EXPORT
void
answer_clicked_cb (GtkWidget *widget, GdkEventButton *eventbutton, MathHistoryEntry *history_entry)
{
const gchar *answer = gtk_widget_get_tooltip_text(history_entry->priv->answer_label);
if (answer != NULL)
math_equation_insert(history_entry->priv->equation, answer);
}
void equation_clicked_cb(GtkWidget *widget, GdkEventButton *eventbutton, MathHistoryEntry *history_entry);
G_MODULE_EXPORT
void
equation_clicked_cb (GtkWidget *widget, GdkEventButton *eventbutton, MathHistoryEntry *history_entry)
{
const gchar *equation = gtk_label_get_text(GTK_LABEL(history_entry->priv->equation_label));
if (equation != NULL)
math_equation_set(history_entry->priv->equation, equation);
}
void
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;
GtkWidget *grid;
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_label_set_text(GTK_LABEL(history_entry->priv->equation_label), equation);
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 *
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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