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math-buttons.c
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math-buttons.c
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/*
* Copyright (C) 2008-2011 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 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 <glib/gi18n.h>
#include "math-buttons.h"
#include "math-converter.h"
#include "math-variable-popup.h"
#include "financial.h"
#include "mp-serializer.h"
#include "utility.h"
enum {
PROP_0,
PROP_EQUATION,
PROP_MODE,
PROP_PROGRAMMING_BASE
};
static GType button_mode_type;
#define MAXBITS 64 /* Bit panel: number of bit fields. */
struct MathButtonsPrivate
{
MathEquation *equation;
ButtonMode mode;
gint programming_base;
MathConverter *converter;
GtkBuilder *basic_ui, *advanced_ui, *financial_ui, *programming_ui;
GtkWidget *bas_panel, *adv_panel, *fin_panel, *prog_panel;
GtkWidget *active_panel;
GtkWidget *shift_left_menu, *shift_right_menu;
GtkWidget *function_menu;
GList *superscript_toggles;
GList *subscript_toggles;
GtkWidget *base_combo;
GtkWidget *base_label;
GtkWidget *bit_panel;
GtkWidget *bit_labels[MAXBITS];
GtkWidget *character_code_dialog;
GtkWidget *character_code_entry;
};
G_DEFINE_TYPE (MathButtons, math_buttons, GTK_TYPE_BOX);
#define UI_BASIC_FILE UI_DIR "/buttons-basic.ui"
#define UI_ADVANCED_FILE UI_DIR "/buttons-advanced.ui"
#define UI_FINANCIAL_FILE UI_DIR "/buttons-financial.ui"
#define UI_PROGRAMMING_FILE UI_DIR "/buttons-programming.ui"
#define GET_WIDGET(ui, name) \
GTK_WIDGET(gtk_builder_get_object((ui), (name)))
#define WM_WIDTH_FACTOR 10
#define WM_HEIGHT_FACTOR 30
typedef enum
{
NUMBER,
NUMBER_BOLD,
OPERATOR,
FUNCTION,
MEMORY,
GROUP,
ACTION
} ButtonClass;
typedef struct {
const char *widget_name;
const char *data;
ButtonClass class;
const char *tooltip;
} ButtonData;
static ButtonData button_data[] = {
{"pi", "π", NUMBER,
/* Tooltip for the Pi button */
N_("Pi [Ctrl+P]")},
{"eulers_number", "e", NUMBER,
/* Tooltip for the Euler's Number button */
N_("Euler’s Number")},
{"imaginary", "i", NUMBER, NULL},
{"numeric_point", NULL, NUMBER, NULL},
{"subscript", NULL, NUMBER_BOLD,
/* Tooltip for the subscript button */
N_("Subscript mode [Alt]")},
{"superscript", NULL, NUMBER_BOLD,
/* Tooltip for the superscript button */
N_("Superscript mode [Ctrl]")},
{"exponential", NULL, NUMBER_BOLD,
/* Tooltip for the scientific exponent button */
N_("Scientific exponent [Ctrl+E]")},
{"add", "+", OPERATOR,
/* Tooltip for the add button */
N_("Add [+]")},
{"subtract", "−", OPERATOR,
/* Tooltip for the subtract button */
N_("Subtract [-]")},
{"multiply", "×", OPERATOR,
/* Tooltip for the multiply button */
N_("Multiply [*]")},
{"divide", "÷", OPERATOR,
/* Tooltip for the divide button */
N_("Divide [/]")},
{"modulus_divide", " mod ", OPERATOR,
/* Tooltip for the modulus divide button */
N_("Modulus divide")},
{"function", NULL, FUNCTION,
/* Tooltip for the additional functions button */
N_("Additional Functions")},
{"x_pow_y", "^", FUNCTION,
/* Tooltip for the exponent button */
N_("Exponent [^ or **]")},
{"x_squared", "²", FUNCTION,
/* Tooltip for the square button */
N_("Square [Ctrl+2]")},
{"percentage", "%", NUMBER,
/* Tooltip for the percentage button */
N_("Percentage [%]")},
{"factorial", "!", FUNCTION,
/* Tooltip for the factorial button */
N_("Factorial [!]")},
{"abs", "|", FUNCTION,
/* Tooltip for the absolute value button */
N_("Absolute value [|]")},
{"arg", "Arg ", FUNCTION,
/* Tooltip for the complex argument component button */
N_("Complex argument")},
{"conjugate", "conj ", FUNCTION,
/* Tooltip for the complex conjugate button */
N_("Complex conjugate")},
{"root", "√", FUNCTION,
/* Tooltip for the root button */
N_("Root [Ctrl+R]")},
{"square_root", "√", FUNCTION,
/* Tooltip for the square root button */
N_("Square root [Ctrl+R]")},
{"logarithm", "log ", FUNCTION,
/* Tooltip for the logarithm button */
N_("Logarithm")},
{"natural_logarithm", "ln ", FUNCTION,
/* Tooltip for the natural logarithm button */
N_("Natural Logarithm")},
{"sine", "sin ", FUNCTION,
/* Tooltip for the sine button */
N_("Sine")},
{"cosine", "cos ", FUNCTION,
/* Tooltip for the cosine button */
N_("Cosine")},
{"tangent", "tan ", FUNCTION,
/* Tooltip for the tangent button */
N_("Tangent")},
{"hyperbolic_sine", "sinh ", FUNCTION,
/* Tooltip for the hyperbolic sine button */
N_("Hyperbolic Sine")},
{"hyperbolic_cosine", "cosh ", FUNCTION,
/* Tooltip for the hyperbolic cosine button */
N_("Hyperbolic Cosine")},
{"hyperbolic_tangent", "tanh ", FUNCTION,
/* Tooltip for the hyperbolic tangent button */
N_("Hyperbolic Tangent")},
{"inverse_sine", "asin", FUNCTION,
/* Tooltip for the inverse sine button */
N_("Inverse Sine")},
{"inverse_cosine", "acos", FUNCTION,
/* Tooltip for the inverse cosine button */
N_("Inverse Cosine")},
{"inverse_tangent", "atan", FUNCTION,
/* Tooltip for the inverse tangent button */
N_("Inverse Tangent")},
{"inverse", "⁻¹", FUNCTION,
/* Tooltip for the inverse button */
N_("Inverse [Ctrl+I]")},
{"and", "∧", OPERATOR,
/* Tooltip for the boolean AND button */
N_("Boolean AND")},
{"or", "∨", OPERATOR,
/* Tooltip for the boolean OR button */
N_("Boolean OR")},
{"xor", "⊻", OPERATOR,
/* Tooltip for the exclusive OR button */
N_("Boolean Exclusive OR")},
{"not", "¬", FUNCTION,
/* Tooltip for the boolean NOT button */
N_("Boolean NOT")},
{"integer_portion", "int ", FUNCTION,
/* Tooltip for the integer component button */
N_("Integer Component")},
{"fractional_portion", "frac ", FUNCTION,
/* Tooltip for the fractional component button */
N_("Fractional Component")},
{"real_portion", "Re ", FUNCTION,
/* Tooltip for the real component button */
N_("Real Component")},
{"imaginary_portion", "Im ", FUNCTION,
/* Tooltip for the imaginary component button */
N_("Imaginary Component")},
{"ones_complement", "ones ", FUNCTION,
/* Tooltip for the ones' complement button */
N_("Ones' Complement")},
{"twos_complement", "twos ", FUNCTION,
/* Tooltip for the two's complement button */
N_("Two's Complement")},
{"trunc", "trunc ", FUNCTION,
/* Tooltip for the truncate button */
N_("Truncate")},
{"start_group", "(", GROUP,
/* Tooltip for the start group button */
N_("Start Group [(]")},
{"end_group", ")", GROUP,
/* Tooltip for the end group button */
N_("End Group [)]")},
{"memory", NULL, MEMORY,
/* Tooltip for the memory button */
N_("Memory")},
{"character", NULL, MEMORY,
/* Tooltip for the insert character code button */
N_("Insert Character Code")},
{"result", NULL, ACTION,
/* Tooltip for the solve button */
N_("Calculate Result")},
{"factor", NULL, ACTION,
/* Tooltip for the factor button */
N_("Factorize [Ctrl+F]")},
{"clear", NULL, GROUP,
/* Tooltip for the clear button */
N_("Clear Display [Escape]")},
{"undo", NULL, GROUP,
/* Tooltip for the undo button */
N_("Undo [Ctrl+Z]")},
{"shift_left", NULL, ACTION,
/* Tooltip for the shift left button */
N_("Shift Left [<<]")},
{"shift_right", NULL, ACTION,
/* Tooltip for the shift right button */
N_("Shift Right [>>]")},
{"finc_compounding_term", NULL, FUNCTION,
/* Tooltip for the compounding term button */
N_("Compounding Term")},
{"finc_double_declining_depreciation", NULL, FUNCTION,
/* Tooltip for the double declining depreciation button */
N_("Double Declining Depreciation")},
{"finc_future_value", NULL, FUNCTION,
/* Tooltip for the future value button */
N_("Future Value")},
{"finc_term", NULL, FUNCTION,
/* Tooltip for the financial term button */
N_("Financial Term")},
{"finc_sum_of_the_years_digits_depreciation", NULL, FUNCTION,
/* Tooltip for the sum of the years digits depreciation button */
N_("Sum of the Years Digits Depreciation")},
{"finc_straight_line_depreciation", NULL, FUNCTION,
/* Tooltip for the straight line depreciation button */
N_("Straight Line Depreciation")},
{"finc_periodic_interest_rate", NULL, FUNCTION,
/* Tooltip for the periodic interest rate button */
N_("Periodic Interest Rate")},
{"finc_present_value", NULL, FUNCTION,
/* Tooltip for the present value button */
N_("Present Value")},
{"finc_periodic_payment", NULL, FUNCTION,
/* Tooltip for the periodic payment button */
N_("Periodic Payment")},
{"finc_gross_profit_margin", NULL, FUNCTION,
/* Tooltip for the gross profit margin button */
N_("Gross Profit Margin")},
{NULL, NULL, 0, NULL}
};
/* The names of each field in the dialogs for the financial functions */
static char *finc_dialog_fields[][5] = {
{"ctrm_pint", "ctrm_fv", "ctrm_pv", NULL, NULL},
{"ddb_cost", "ddb_life", "ddb_period", NULL, NULL},
{"fv_pmt", "fv_pint", "fv_n", NULL, NULL},
{"gpm_cost", "gpm_margin", NULL, NULL, NULL},
{"pmt_prin", "pmt_pint", "pmt_n", NULL, NULL},
{"pv_pmt", "pv_pint", "pv_n", NULL, NULL},
{"rate_fv", "rate_pv", "rate_n", NULL, NULL},
{"sln_cost", "sln_salvage", "sln_life", NULL, NULL},
{"syd_cost", "syd_salvage", "syd_life", "syd_period", NULL},
{"term_pmt", "term_fv", "term_pint", NULL, NULL},
{NULL, NULL, NULL, NULL, NULL}
};
MathButtons *
math_buttons_new(MathEquation *equation)
{
return g_object_new(math_buttons_get_type(), "equation", equation, NULL);
}
static void
set_data(GtkBuilder *ui, const gchar *object_name, const gchar *name, const char *value)
{
GObject *object;
object = gtk_builder_get_object(ui, object_name);
if (object)
g_object_set_data(object, name, GINT_TO_POINTER(value));
}
static void
set_int_data(GtkBuilder *ui, const gchar *object_name, const gchar *name, gint value)
{
GObject *object;
object = gtk_builder_get_object(ui, object_name);
if (object)
g_object_set_data(object, name, GINT_TO_POINTER(value));
}
static void
load_finc_dialogs(MathButtons *buttons)
{
int i, j;
set_int_data(buttons->priv->financial_ui, "ctrm_dialog", "finc_dialog", FINC_CTRM_DIALOG);
set_int_data(buttons->priv->financial_ui, "ddb_dialog", "finc_dialog", FINC_DDB_DIALOG);
set_int_data(buttons->priv->financial_ui, "fv_dialog", "finc_dialog", FINC_FV_DIALOG);
set_int_data(buttons->priv->financial_ui, "gpm_dialog", "finc_dialog", FINC_GPM_DIALOG);
set_int_data(buttons->priv->financial_ui, "pmt_dialog", "finc_dialog", FINC_PMT_DIALOG);
set_int_data(buttons->priv->financial_ui, "pv_dialog", "finc_dialog", FINC_PV_DIALOG);
set_int_data(buttons->priv->financial_ui, "rate_dialog", "finc_dialog", FINC_RATE_DIALOG);
set_int_data(buttons->priv->financial_ui, "sln_dialog", "finc_dialog", FINC_SLN_DIALOG);
set_int_data(buttons->priv->financial_ui, "syd_dialog", "finc_dialog", FINC_SYD_DIALOG);
set_int_data(buttons->priv->financial_ui, "term_dialog", "finc_dialog", FINC_TERM_DIALOG);
for (i = 0; finc_dialog_fields[i][0] != NULL; i++) {
for (j = 0; finc_dialog_fields[i][j]; j++) {
GObject *o;
o = gtk_builder_get_object (buttons->priv->financial_ui, finc_dialog_fields[i][j]);
g_object_set_data(o, "finc_field", GINT_TO_POINTER(j));
g_object_set_data(o, "finc_dialog", GINT_TO_POINTER(i));
}
}
}
static void
update_bit_panel(MathButtons *buttons)
{
MPNumber x;
gboolean enabled;
guint64 bits;
int i;
GString *label;
gint base;
if (!buttons->priv->bit_panel)
return;
enabled = math_equation_get_number(buttons->priv->equation, &x);
if (enabled) {
MPNumber max, fraction;
mp_set_from_unsigned_integer(G_MAXUINT64, &max);
mp_fractional_part(&x, &fraction);
if (mp_is_negative(&x) || mp_is_greater_than(&x, &max) || !mp_is_zero(&fraction))
enabled = FALSE;
else
bits = mp_cast_to_unsigned_int(&x);
}
gtk_widget_set_sensitive(buttons->priv->bit_panel, enabled);
gtk_widget_set_sensitive(buttons->priv->base_label, enabled);
if (!enabled)
return;
for (i = 0; i < MAXBITS; i++) {
const gchar *label;
if (bits & (1LL << (MAXBITS-i-1)))
label = " 1";
else
label = " 0";
gtk_label_set_text(GTK_LABEL(buttons->priv->bit_labels[i]), label);
}
base = math_equation_get_base(buttons->priv->equation);
label = g_string_new("");
if (base != 8) {
if (label->len != 0)
g_string_append(label, " = ");
g_string_append_printf(label, "%" G_GINT64_MODIFIER "o", bits);
g_string_append(label, "₈");
}
if (base != 10) {
if (label->len != 0)
g_string_append(label, " = ");
g_string_append_printf(label, "%" G_GINT64_MODIFIER "u", bits);
g_string_append(label, "₁₀");
}
if (base != 16) {
if (label->len != 0)
g_string_append(label, " = ");
g_string_append_printf(label, "%" G_GINT64_MODIFIER "X", bits);
g_string_append(label, "₁₆");
}
gtk_label_set_text(GTK_LABEL(buttons->priv->base_label), label->str);
g_string_free(label, TRUE);
}
static void
display_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
update_bit_panel(buttons);
}
static void
base_combobox_changed_cb(GtkWidget *combo, MathButtons *buttons)
{
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_buttons_set_programming_base(buttons, value);
}
static void
base_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean valid;
if (buttons->priv->mode != PROGRAMMING)
return;
model = gtk_combo_box_get_model(GTK_COMBO_BOX(buttons->priv->base_combo));
valid = gtk_tree_model_get_iter_first(model, &iter);
buttons->priv->programming_base = math_equation_get_base(buttons->priv->equation);
while (valid) {
gint v;
gtk_tree_model_get(model, &iter, 1, &v, -1);
if (v == buttons->priv->programming_base)
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(buttons->priv->base_combo), &iter);
}
static GtkWidget *
load_mode(MathButtons *buttons, ButtonMode mode)
{
GtkBuilder *builder, **builder_ptr;
gint i;
gchar *name;
const gchar *builder_file;
static gchar *objects[] = { "button_panel", "character_code_dialog", "currency_dialog",
"ctrm_dialog", "ddb_dialog", "fv_dialog", "gpm_dialog",
"pmt_dialog", "pv_dialog", "rate_dialog", "sln_dialog",
"syd_dialog", "term_dialog", "adjustment1", "adjustment2", NULL };
GtkWidget *widget, **panel;
GError *error = NULL;
switch (mode) {
default:
case BASIC:
builder_ptr = &buttons->priv->basic_ui;
builder_file = UI_BASIC_FILE;
panel = &buttons->priv->bas_panel;
break;
case ADVANCED:
builder_ptr = &buttons->priv->advanced_ui;
builder_file = UI_ADVANCED_FILE;
panel = &buttons->priv->adv_panel;
break;
case FINANCIAL:
builder_ptr = &buttons->priv->financial_ui;
builder_file = UI_FINANCIAL_FILE;
panel = &buttons->priv->fin_panel;
break;
case PROGRAMMING:
builder_ptr = &buttons->priv->programming_ui;
builder_file = UI_PROGRAMMING_FILE;
panel = &buttons->priv->prog_panel;
break;
}
if (*panel)
return *panel;
builder = *builder_ptr = gtk_builder_new();
// FIXME: Show dialog if failed to load
gtk_builder_add_objects_from_file(builder, builder_file, objects, &error);
if (error) {
g_warning("Error loading button UI: %s", error->message);
g_clear_error(&error);
}
*panel = GET_WIDGET(builder, "button_panel");
gtk_box_pack_end(GTK_BOX(buttons), *panel, TRUE, TRUE, 0);
/* Configure buttons */
for (i = 0; button_data[i].widget_name != NULL; i++) {
GObject *object;
GtkWidget *button;
name = g_strdup_printf("calc_%s_button", button_data[i].widget_name);
object = gtk_builder_get_object(*builder_ptr, name);
g_free(name);
if (!object)
continue;
button = GTK_WIDGET(object);
if (button_data[i].data)
g_object_set_data(object, "calc_text", (gpointer) button_data[i].data);
if (button_data[i].tooltip)
gtk_widget_set_tooltip_text(button, _(button_data[i].tooltip));
atk_object_set_name(gtk_widget_get_accessible(button), button_data[i].widget_name);
}
/* Set special button data */
for (i = 0; i < 16; i++) {
GtkWidget *button;
name = g_strdup_printf("calc_%d_button", i);
button = GET_WIDGET(builder, name);
if (button) {
gchar buffer[7];
gint len;
g_object_set_data(G_OBJECT(button), "calc_digit", GINT_TO_POINTER(i));
len = g_unichar_to_utf8(math_equation_get_digit_text(buttons->priv->equation, i), buffer);
buffer[len] = '\0';
gtk_button_set_label(GTK_BUTTON(button), buffer);
}
g_free(name);
}
widget = GET_WIDGET(builder, "calc_numeric_point_button");
if (widget) {
MpSerializer *serializer = math_equation_get_serializer(buttons->priv->equation);
gchar buffer[7];
gint len;
len = g_unichar_to_utf8(mp_serializer_get_radix(serializer), buffer);
buffer[len] = '\0';
gtk_button_set_label(GTK_BUTTON(widget), buffer);
}
widget = GET_WIDGET(builder, "calc_superscript_button");
if (widget) {
buttons->priv->superscript_toggles = g_list_append(buttons->priv->superscript_toggles, widget);
if (math_equation_get_number_mode(buttons->priv->equation) == SUPERSCRIPT)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), TRUE);
}
widget = GET_WIDGET(builder, "calc_subscript_button");
if (widget) {
buttons->priv->subscript_toggles = g_list_append(buttons->priv->subscript_toggles, widget);
if (math_equation_get_number_mode(buttons->priv->equation) == SUBSCRIPT)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), TRUE);
}
/* put the icon name "process-stop" in the buttons
button1, button3, button5, button7, button9,
button11, button13, button15, button17, button19
taken from buttons-financial.ui */
for (i = 1; i < 20; i++) {
if (i % 2) {
widget = GET_WIDGET (builder, g_strdup_printf ("button%d",i));
if (GTK_IS_BUTTON(widget))
gtk_button_set_image (GTK_BUTTON (widget),
gtk_image_new_from_icon_name ("process-stop", GTK_ICON_SIZE_BUTTON));
}
}
if (mode == PROGRAMMING) {
GtkListStore *model;
GtkTreeIter iter;
GtkCellRenderer *renderer;
buttons->priv->base_label = GET_WIDGET(builder, "base_label");
buttons->priv->character_code_dialog = GET_WIDGET(builder, "character_code_dialog");
buttons->priv->character_code_entry = GET_WIDGET(builder, "character_code_entry");
buttons->priv->bit_panel = GET_WIDGET(builder, "bit_table");
for (i = 0; i < MAXBITS; i++) {
name = g_strdup_printf("bit_label_%d", i);
buttons->priv->bit_labels[i] = GET_WIDGET(builder, name);
g_free(name);
name = g_strdup_printf("bit_eventbox_%d", i);
set_int_data(builder, name, "bit_index", i);
}
buttons->priv->base_combo = GET_WIDGET(builder, "base_combo");
model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
gtk_combo_box_set_model(GTK_COMBO_BOX(buttons->priv->base_combo), GTK_TREE_MODEL(model));
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
/* Number display mode combo: Binary, e.g. 10011010010₂ */
_("Binary"), 1, 2, -1);
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
/* Number display mode combo: Octal, e.g. 2322₈ */
_("Octal"), 1, 8, -1);
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
/* Number display mode combo: Decimal, e.g. 1234 */
_("Decimal"), 1, 10, -1);
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
/* Number display mode combo: Hexadecimal, e.g. 4D2₁₆ */
_("Hexadecimal"), 1, 16, -1);
renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(buttons->priv->base_combo), renderer, TRUE);
gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(buttons->priv->base_combo), renderer, "text", 0);
g_signal_connect(buttons->priv->base_combo, "changed", G_CALLBACK(base_combobox_changed_cb), buttons);
g_signal_connect(buttons->priv->equation, "notify::base", G_CALLBACK(base_changed_cb), buttons);
base_changed_cb(buttons->priv->equation, NULL, buttons);
}
/* Setup financial functions */
if (mode == FINANCIAL) {
load_finc_dialogs(buttons);
set_data(builder, "calc_finc_compounding_term_button", "finc_dialog", "ctrm_dialog");
set_data(builder, "calc_finc_double_declining_depreciation_button", "finc_dialog", "ddb_dialog");
set_data(builder, "calc_finc_future_value_button", "finc_dialog", "fv_dialog");
set_data(builder, "calc_finc_gross_profit_margin_button", "finc_dialog", "gpm_dialog");
set_data(builder, "calc_finc_periodic_payment_button", "finc_dialog", "pmt_dialog");
set_data(builder, "calc_finc_present_value_button", "finc_dialog", "pv_dialog");
set_data(builder, "calc_finc_periodic_interest_rate_button", "finc_dialog", "rate_dialog");
set_data(builder, "calc_finc_straight_line_depreciation_button", "finc_dialog", "sln_dialog");
set_data(builder, "calc_finc_sum_of_the_years_digits_depreciation_button", "finc_dialog", "syd_dialog");
set_data(builder, "calc_finc_term_button", "finc_dialog", "term_dialog");
}
gtk_builder_connect_signals(builder, buttons);
display_changed_cb(buttons->priv->equation, NULL, buttons);
return *panel;
}
static void
converter_changed_cb(MathConverter *converter, MathButtons *buttons)
{
Unit *from_unit, *to_unit;
math_converter_get_conversion(converter, &from_unit, &to_unit);
if (buttons->priv->mode == FINANCIAL) {
math_equation_set_source_currency(buttons->priv->equation, unit_get_name(from_unit));
math_equation_set_target_currency(buttons->priv->equation, unit_get_name(to_unit));
}
else {
math_equation_set_source_units(buttons->priv->equation, unit_get_name(from_unit));
math_equation_set_target_units(buttons->priv->equation, unit_get_name(to_unit));
}
g_object_unref(from_unit);
g_object_unref(to_unit);
}
static void
load_buttons(MathButtons *buttons)
{
GtkWidget *panel;
if (!gtk_widget_get_visible(GTK_WIDGET(buttons)))
return;
if (!buttons->priv->converter) {
buttons->priv->converter = math_converter_new(buttons->priv->equation);
g_signal_connect(buttons->priv->converter, "changed", G_CALLBACK(converter_changed_cb), buttons);
gtk_box_pack_start(GTK_BOX(buttons), GTK_WIDGET(buttons->priv->converter), FALSE, TRUE, 0);
}
panel = load_mode(buttons, buttons->priv->mode);
if (buttons->priv->active_panel == panel)
return;
/* Hide old buttons */
if (buttons->priv->active_panel)
gtk_widget_hide(buttons->priv->active_panel);
/* Load and display new buttons */
buttons->priv->active_panel = panel;
if (panel)
gtk_widget_show(panel);
}
void
math_buttons_set_mode(MathButtons *buttons, ButtonMode mode)
{
g_return_if_fail(buttons != NULL);
if (buttons->priv->mode == mode)
return;
buttons->priv->mode = mode;
if (mode == PROGRAMMING)
math_equation_set_base(buttons->priv->equation, buttons->priv->programming_base);
else
math_equation_set_base(buttons->priv->equation, 10);
load_buttons(buttons);
gtk_widget_set_visible(GTK_WIDGET(buttons->priv->converter), mode == ADVANCED || mode == FINANCIAL);
if (mode == ADVANCED) {
math_converter_set_category(buttons->priv->converter, NULL);
math_converter_set_conversion(buttons->priv->converter,
math_equation_get_source_units(buttons->priv->equation),
math_equation_get_target_units(buttons->priv->equation));
}
else if (mode == FINANCIAL) {
math_converter_set_category(buttons->priv->converter, "currency");
math_converter_set_conversion(buttons->priv->converter,
math_equation_get_source_currency(buttons->priv->equation),
math_equation_get_target_currency(buttons->priv->equation));
}
g_object_notify(G_OBJECT(buttons), "mode");
}
ButtonMode
math_buttons_get_mode(MathButtons *buttons)
{
return buttons->priv->mode;
}
void
math_buttons_set_programming_base(MathButtons *buttons, gint base)
{
g_return_if_fail(buttons != NULL);
if (base == buttons->priv->programming_base)
return;
buttons->priv->programming_base = base;
g_settings_set_int(g_settings_var, "base", math_buttons_get_programming_base(buttons));
if (buttons->priv->mode == PROGRAMMING)
math_equation_set_base(buttons->priv->equation, base);
}
gint
math_buttons_get_programming_base(MathButtons *buttons)
{
g_return_val_if_fail(buttons != NULL, 10);
return buttons->priv->programming_base;
}
void exponent_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
exponent_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert_exponent(buttons->priv->equation);
}
void subtract_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
subtract_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert_subtract(buttons->priv->equation);
}
void button_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
button_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert(buttons->priv->equation, g_object_get_data(G_OBJECT(widget), "calc_text"));
}
void solve_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
solve_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_solve(buttons->priv->equation);
}
void clear_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
clear_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_clear(buttons->priv->equation);
}
void delete_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
delete_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_delete(buttons->priv->equation);
}
void undo_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
undo_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_undo(buttons->priv->equation);
}
static void
shift_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_shift(buttons->priv->equation, GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "shiftcount")));
}
static void
popup_button_menu(GtkWidget *widget, GtkMenu *menu)
{
gtk_menu_popup_at_widget (menu,
widget,
GDK_GRAVITY_SOUTH_WEST,
GDK_GRAVITY_NORTH_WEST,
NULL);
}
void memory_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
memory_cb(GtkWidget *widget, MathButtons *buttons)
{
MathVariablePopup *popup;
GtkAllocation allocation;
gint x, y;
popup = math_variable_popup_new(buttons->priv->equation);
gtk_window_set_transient_for(GTK_WINDOW(popup), GTK_WINDOW(gtk_widget_get_toplevel(widget)));
gtk_widget_get_allocation(widget, &allocation);
gdk_window_get_root_coords(gtk_widget_get_window(widget), allocation.x, allocation.y, &x, &y);
gtk_window_move(GTK_WINDOW(popup), x, y);
gtk_widget_show(GTK_WIDGET(popup));
}
void shift_left_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
shift_left_cb(GtkWidget *widget, MathButtons *buttons)
{
if (!buttons->priv->shift_left_menu) {
gint i;
GtkWidget *menu;
menu = buttons->priv->shift_left_menu = gtk_menu_new();
gtk_menu_set_reserve_toggle_size(GTK_MENU(menu), FALSE);
for (i = 1; i < 16; i++) {
GtkWidget *item, *label;
gchar *format, *text;
if (i < 10) {
/* Left Shift Popup: Menu item to shift left by n places (n < 10) */
format = ngettext("_%d place", "_%d places", i);
}
else {
/* Left Shift Popup: Menu item to shift left by n places (n >= 10) */
format = ngettext("%d place", "%d places", i);
}
text = g_strdup_printf(format, i);
label = gtk_label_new_with_mnemonic(text);
item = gtk_menu_item_new();
g_object_set_data(G_OBJECT(item), "shiftcount", GINT_TO_POINTER(i));
gtk_container_add(GTK_CONTAINER(item), label);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(shift_cb), buttons);
gtk_widget_show(label);
gtk_widget_show(item);
g_free(text);
}
}
popup_button_menu(widget, GTK_MENU(buttons->priv->shift_left_menu));
}
void shift_right_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
shift_right_cb(GtkWidget *widget, MathButtons *buttons)
{
if (!buttons->priv->shift_right_menu) {
gint i;
GtkWidget *menu;
menu = buttons->priv->shift_right_menu = gtk_menu_new();
gtk_menu_set_reserve_toggle_size(GTK_MENU(menu), FALSE);
for (i = 1; i < 16; i++) {
GtkWidget *item, *label;
gchar *format, *text;
if (i < 10) {
/* Right Shift Popup: Menu item to shift right by n places (n < 10) */
format = ngettext("_%d place", "_%d places", i);
}
else {
/* Right Shift Popup: Menu item to shift right by n places (n >= 10) */
format = ngettext("%d place", "%d places", i);
}
text = g_strdup_printf(format, i);
label = gtk_label_new_with_mnemonic(text);
item = gtk_menu_item_new();
g_object_set_data(G_OBJECT(item), "shiftcount", GINT_TO_POINTER(-i));
gtk_container_add(GTK_CONTAINER(item), label);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(shift_cb), buttons);
gtk_widget_show(label);
gtk_widget_show(item);
g_free(text);
}
}
popup_button_menu(widget, GTK_MENU(buttons->priv->shift_right_menu));
}
static void
insert_function_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert(buttons->priv->equation, g_object_get_data(G_OBJECT(widget), "function"));
}
void function_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
function_cb(GtkWidget *widget, MathButtons *buttons)
{
if (!buttons->priv->function_menu) {
gint i;
GtkWidget *menu;
struct
{
gchar *name, *function;
} functions[] =
{
{ /* Tooltip for the integer component button */
N_("Integer Component"), "int " },
{ /* Tooltip for the fractional component button */
N_("Fractional Component"), "frac " },
{ /* Tooltip for the round button */
N_("Round"), "round " },
{ /* Tooltip for the floor button */
N_("Floor"), "floor " },
{ /* Tooltip for the ceiling button */
N_("Ceiling"), "ceil " },