1 files changed, 401 insertions, 0 deletions
diff --git a/src/math-preferences.c b/src/math-preferences.c
new file mode 100644
index 0000000..c846523
--- /dev/null
+++ b/src/math-preferences.c
@@ -0,0 +1,401 @@
+/* Copyright (c) 2008-2009 Robert Ancell
+ *
+ * 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, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "math-preferences.h"
+
+G_DEFINE_TYPE (MathPreferencesDialog, math_preferences, GTK_TYPE_DIALOG);
+
+enum {
+ PROP_0,
+ PROP_EQUATION
+};
+
+struct MathPreferencesDialogPrivate
+{
+ MathEquation *equation;
+ GtkBuilder *ui;
+};
+
+#define UI_DIALOGS_FILE UI_DIR "/preferences.ui"
+#define GET_WIDGET(ui, name) \
+ GTK_WIDGET(gtk_builder_get_object(ui, name))
+
+
+MathPreferencesDialog *
+math_preferences_dialog_new(MathEquation *equation)
+{ 
+ return g_object_new (math_preferences_get_type(), "equation", equation, NULL);
+}
+
+
+static void
+preferences_response_cb(GtkWidget *widget, gint id)
+{
+ gtk_widget_hide(widget);
+}
+
+
+static gboolean
+preferences_dialog_delete_cb(GtkWidget *widget, GdkEvent *event)
+{
+ preferences_response_cb(widget, 0);
+ return TRUE;
+}
+
+
+void number_format_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+number_format_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog)
+{
+ DisplayFormat value;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
+ gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter);
+ gtk_tree_model_get(model, &iter, 1, &value, -1);
+ math_equation_set_number_format(dialog->priv->equation, value);
+}
+
+
+void angle_unit_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+angle_unit_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog)
+{
+ MPAngleUnit value;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
+ gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter);
+ gtk_tree_model_get(model, &iter, 1, &value, -1);
+ math_equation_set_angle_units(dialog->priv->equation, value);
+}
+
+
+void word_size_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+word_size_combobox_changed_cb(GtkWidget *combo, MathPreferencesDialog *dialog)
+{
+ gint value;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
+ gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter);
+ gtk_tree_model_get(model, &iter, 1, &value, -1);
+ math_equation_set_word_size(dialog->priv->equation, value);
+}
+
+
+void decimal_places_spin_change_value_cb(GtkWidget *spin, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+decimal_places_spin_change_value_cb(GtkWidget *spin, MathPreferencesDialog *dialog)
+{
+ gint value = 0;
+
+ value = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(spin));
+ math_equation_set_accuracy(dialog->priv->equation, value);
+}
+
+
+void thousands_separator_check_toggled_cb(GtkWidget *check, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+thousands_separator_check_toggled_cb(GtkWidget *check, MathPreferencesDialog *dialog)
+{
+ gboolean value;
+
+ value = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(check));
+ math_equation_set_show_thousands_separators(dialog->priv->equation, value);
+}
+
+
+void trailing_zeroes_check_toggled_cb(GtkWidget *check, MathPreferencesDialog *dialog);
+G_MODULE_EXPORT
+void
+trailing_zeroes_check_toggled_cb(GtkWidget *check, MathPreferencesDialog *dialog)
+{
+ gboolean value;
+
+ value = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(check));
+ math_equation_set_show_trailing_zeroes(dialog->priv->equation, value);
+}
+
+
+static void
+set_combo_box_from_int(GtkWidget *combo, int value)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ gboolean valid;
+
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
+ valid = gtk_tree_model_get_iter_first(model, &iter);
+
+ while (valid) {
+ gint v;
+
+ gtk_tree_model_get(model, &iter, 1, &v, -1);
+ if (v == value)
+ break;
+ valid = gtk_tree_model_iter_next(model, &iter);
+ }
+ if (!valid)
+ valid = gtk_tree_model_get_iter_first(model, &iter);
+
+ gtk_combo_box_set_active_iter(GTK_COMBO_BOX(combo), &iter);
+}
+
+
+static void
+accuracy_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ gtk_spin_button_set_value(GTK_SPIN_BUTTON(gtk_builder_get_object(dialog->priv->ui, "decimal_places_spin")),
+ math_equation_get_accuracy(equation));
+}
+
+
+static void
+show_thousands_separators_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(gtk_builder_get_object(dialog->priv->ui, "thousands_separator_check")),
+ math_equation_get_show_thousands_separators(equation));
+}
+
+
+static void
+show_trailing_zeroes_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(gtk_builder_get_object(dialog->priv->ui, "trailing_zeroes_check")),
+ math_equation_get_show_trailing_zeroes(equation));
+}
+
+
+static void
+number_format_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ set_combo_box_from_int(GET_WIDGET(dialog->priv->ui, "number_format_combobox"), math_equation_get_number_format(equation));
+}
+
+
+static void
+word_size_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ set_combo_box_from_int(GET_WIDGET(dialog->priv->ui, "word_size_combobox"), math_equation_get_word_size(equation));
+}
+
+
+static void
+angle_unit_cb(MathEquation *equation, GParamSpec *spec, MathPreferencesDialog *dialog)
+{
+ set_combo_box_from_int(GET_WIDGET(dialog->priv->ui, "angle_unit_combobox"), math_equation_get_angle_units(equation)); 
+}
+
+
+static void
+create_gui(MathPreferencesDialog *dialog)
+{
+ GtkWidget *widget;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ GtkCellRenderer *renderer;
+ gchar *string, **tokens;
+ GError *error = NULL;
+ static gchar *objects[] = { "preferences_table", "angle_unit_model", "number_format_model",
+ "word_size_model", "decimal_places_adjustment", "number_base_model", NULL };
+
+ // FIXME: Handle errors
+ dialog->priv->ui = gtk_builder_new();
+ gtk_builder_add_objects_from_file(dialog->priv->ui, UI_DIALOGS_FILE, objects, &error);
+ if (error)
+ g_warning("Error loading preferences UI: %s", error->message);
+ g_clear_error(&error);
+
+ gtk_window_set_title(GTK_WINDOW(dialog),
+ /* Title of preferences dialog */
+ _("Preferences"));
+ gtk_window_set_icon_name(GTK_WINDOW(dialog), "accessories-calculator");
+ gtk_container_set_border_width(GTK_CONTAINER(dialog), 8);
+ gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
+ gtk_dialog_add_button(GTK_DIALOG(dialog),
+ /* Label on close button in preferences dialog */
+ _("_Close"), 0);
+ g_signal_connect(dialog, "response", G_CALLBACK(preferences_response_cb), NULL);
+ g_signal_connect(dialog, "delete-event", G_CALLBACK(preferences_dialog_delete_cb), NULL);
+ gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(dialog))), GET_WIDGET(dialog->priv->ui, "preferences_table"), TRUE, TRUE, 0);
+
+ widget = GET_WIDGET(dialog->priv->ui, "angle_unit_combobox");
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations */
+ _("Degrees"), 1, MP_DEGREES, -1);
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations */
+ _("Radians"), 1, MP_RADIANS, -1);
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations */
+ _("Gradians"), 1, MP_GRADIANS, -1);
+ renderer = gtk_cell_renderer_text_new();
+ gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(widget), renderer, TRUE);
+ gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(widget), renderer, "text", 0);
+
+ widget = GET_WIDGET(dialog->priv->ui, "number_format_combobox");
+ model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget));
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Number display mode combo: Fixed, e.g. 1234 */
+ _("Fixed"), 1, FIX, -1);
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Number display mode combo: Scientific, e.g. 1.234×10^3 */
+ _("Scientific"), 1, SCI, -1);
+ gtk_list_store_append(GTK_LIST_STORE(model), &iter);
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
+ /* Number display mode combo: Engineering, e.g. 1.234k */
+ _("Engineering"), 1, ENG, -1);
+ renderer = gtk_cell_renderer_text_new();
+ gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(widget), renderer, TRUE);
+ gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(widget), renderer, "text", 0);
+
+ widget = GET_WIDGET(dialog->priv->ui, "word_size_combobox");
+ renderer = gtk_cell_renderer_text_new();
+ gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(widget), renderer, TRUE);
+ gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(widget), renderer, "text", 0);
+
+ /* Label used in preferences dialog. The %d is replaced by a spinbutton */
+ string = _("Show %d decimal _places");
+ tokens = g_strsplit(string, "%d", 2);
+ widget = GET_WIDGET(dialog->priv->ui, "decimal_places_label1");
+ if (tokens[0])
+ string = g_strstrip(tokens[0]);
+ else
+ string = "";
+ if (string[0] != '\0')
+ gtk_label_set_text_with_mnemonic(GTK_LABEL(widget), string);
+ else
+ gtk_widget_hide(widget);
+
+ widget = GET_WIDGET(dialog->priv->ui, "decimal_places_label2");
+ if (tokens[0] && tokens[1])
+ string = g_strstrip(tokens[1]);
+ else
+ string = "";
+ if (string[0] != '\0')
+ gtk_label_set_text_with_mnemonic(GTK_LABEL(widget), string);
+ else
+ gtk_widget_hide(widget);
+
+ g_strfreev(tokens);
+
+ gtk_builder_connect_signals(dialog->priv->ui, dialog);
+
+ g_signal_connect(dialog->priv->equation, "notify::accuracy", G_CALLBACK(accuracy_cb), dialog);
+ g_signal_connect(dialog->priv->equation, "notify::show-thousands-separators", G_CALLBACK(show_thousands_separators_cb), dialog);
+ g_signal_connect(dialog->priv->equation, "notify::show-trailing_zeroes", G_CALLBACK(show_trailing_zeroes_cb), dialog);
+ g_signal_connect(dialog->priv->equation, "notify::number-format", G_CALLBACK(number_format_cb), dialog);
+ g_signal_connect(dialog->priv->equation, "notify::word-size", G_CALLBACK(word_size_cb), dialog);
+ g_signal_connect(dialog->priv->equation, "notify::angle-units", G_CALLBACK(angle_unit_cb), dialog);
+
+ accuracy_cb(dialog->priv->equation, NULL, dialog);
+ show_thousands_separators_cb(dialog->priv->equation, NULL, dialog);
+ show_trailing_zeroes_cb(dialog->priv->equation, NULL, dialog);
+ number_format_cb(dialog->priv->equation, NULL, dialog);
+ word_size_cb(dialog->priv->equation, NULL, dialog);
+ angle_unit_cb(dialog->priv->equation, NULL, dialog);
+}
+
+
+static void
+math_preferences_set_property(GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ MathPreferencesDialog *self;
+
+ self = MATH_PREFERENCES (object);
+
+ switch (prop_id) {
+ case PROP_EQUATION:
+ self->priv->equation = g_value_get_object (value);
+ create_gui(self);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static void
+math_preferences_get_property(GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ MathPreferencesDialog *self;
+
+ self = MATH_PREFERENCES (object);
+
+ switch (prop_id) {
+ case PROP_EQUATION:
+ g_value_set_object (value, self->priv->equation);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+
+static void
+math_preferences_class_init (MathPreferencesDialogClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->get_property = math_preferences_get_property;
+ object_class->set_property = math_preferences_set_property;
+
+ g_type_class_add_private (klass, sizeof (MathPreferencesDialogPrivate));
+
+ g_object_class_install_property(object_class,
+ PROP_EQUATION,
+ g_param_spec_object("equation",
+ "equation",
+ "Equation being configured",
+ math_equation_get_type(),
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+
+static void
+math_preferences_init(MathPreferencesDialog *dialog)
+{
+ dialog->priv = G_TYPE_INSTANCE_GET_PRIVATE (dialog, math_preferences_get_type(), MathPreferencesDialogPrivate);
+}