/* 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 "math-buttons.h"
#include "financial.h"
#include "currency.h"
enum {
PROP_0,
PROP_EQUATION,
PROP_MODE
};
static GType button_mode_type;
#define MAXBITS 64 /* Bit panel: number of bit fields. */
struct MathButtonsPrivate
{
MathEquation *equation;
ButtonMode mode;
gint programming_base;
GtkBuilder *basic_ui, *advanced_ui, *financial_ui, *programming_ui;
GdkColor color_numbers, color_action, color_operator, color_function, color_memory, color_group;
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 *angle_combo;
GtkWidget *angle_label;
GtkWidget *base_combo;
GtkWidget *base_label;
GtkWidget *bit_panel;
GtkWidget *bit_labels[MAXBITS];
GtkWidget *source_currency_combo;
GtkWidget *target_currency_combo;
GtkWidget *currency_label;
GtkWidget *character_code_dialog;
GtkWidget *character_code_entry;
};
G_DEFINE_TYPE (MathButtons, math_buttons, GTK_TYPE_VBOX);
#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", "⁻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 twos complement button */
N_("Twos 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 [)]")},
{"store", NULL, MEMORY,
/* Tooltip for the assign variable button */
N_("Assign Variable")},
{"recall", NULL, MEMORY,
/* Tooltip for the insert variable button */
N_("Insert Variable")},
{"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}
};
typedef enum {
CURRENCY_TARGET_UPPER,
CURRENCY_TARGET_LOWER
} CurrencyTargetRow;
/* 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_tint (GtkWidget *widget, GdkColor *tint, gint alpha)
{
// hell no. It's a calculator, not a rainbow
return;
GtkStyle *style;
int j;
if (!widget)
return;
gtk_widget_ensure_style(widget);
style = gtk_widget_get_style(widget);
for (j = 0; j < 5; j++) {
GdkColor color;
color.red = (style->bg[j].red * (10 - alpha) + tint->red * alpha) / 10;
color.green = (style->bg[j].green * (10 - alpha) + tint->green * alpha) / 10;
color.blue = (style->bg[j].blue * (10 - alpha) + tint->blue * alpha) / 10;
gdk_colormap_alloc_color(gdk_colormap_get_system(), &color, FALSE, TRUE);
gtk_widget_modify_bg(widget, j, &color);
}
}
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]);
if(!o)
printf("missing '%s'\n", 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_angle_label (MathButtons *buttons)
{
MPNumber x;
MPNumber pi, max_value, min_value, fraction, input, output;
char *label, input_text[1024], output_text[1024];
if (!buttons->priv->angle_label)
return;
if (!math_equation_get_number(buttons->priv->equation, &x))
return;
mp_get_pi(&pi);
switch (math_equation_get_angle_units(buttons->priv->equation)) {
default:
case MP_DEGREES:
label = g_strdup("");
break;
case MP_RADIANS:
/* Clip to the range ±2π */
mp_multiply_integer(&pi, 2, &max_value);
mp_invert_sign(&max_value, &min_value);
if (!mp_is_equal(&x, &max_value) && !mp_is_equal(&x, &min_value)) {
mp_divide(&x, &max_value, &fraction);
mp_fractional_component(&fraction, &fraction);
mp_multiply(&fraction, &max_value, &input);
}
else {
mp_set_from_mp(&x, &input);
mp_set_from_integer(mp_is_negative(&input) ? -1 : 1, &fraction);
}
mp_cast_to_string(&input, 10, 10, 2, false, input_text, 1024);
mp_multiply_integer(&fraction, 360, &output);
mp_cast_to_string(&output, 10, 10, 2, false, output_text, 1024);
label = g_strdup_printf("%s radians = %s degrees", input_text, output_text);
break;
case MP_GRADIANS:
/* Clip to the range ±400 */
mp_set_from_integer(400, &max_value);
mp_invert_sign(&max_value, &min_value);
if (!mp_is_equal(&x, &max_value) && !mp_is_equal(&x, &min_value)) {
mp_divide(&x, &max_value, &fraction);
mp_fractional_component(&fraction, &fraction);
mp_multiply(&fraction, &max_value, &input);
}
else {
mp_set_from_mp(&x, &input);
mp_set_from_integer(mp_is_negative(&input) ? -1 : 1, &fraction);
}
mp_cast_to_string(&input, 10, 10, 2, false, input_text, 1024);
mp_multiply_integer(&fraction, 360, &output);
mp_cast_to_string(&output, 10, 10, 2, false, output_text, 1024);
label = g_strdup_printf("%s gradians = %s degrees", input_text, output_text);
break;
}
gtk_label_set_text(GTK_LABEL(buttons->priv->angle_label), label);
g_free(label);
}
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, "%lo", bits);
g_string_append(label, "₈");
}
if (base != 10) {
if (label->len != 0)
g_string_append(label, " = ");
g_string_append_printf(label, "%lu", bits);
g_string_append(label, "₁₀");
}
if (base != 16) {
if (label->len != 0)
g_string_append(label, " = ");
g_string_append_printf(label, "%lX", 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
update_currency_label(MathButtons *buttons)
{
MPNumber x, value;
char *label;
if (!buttons->priv->currency_label)
return;
if (!math_equation_get_number(buttons->priv->equation, &x))
return;
if (currency_convert(&x,
math_equation_get_source_currency(buttons->priv->equation),
math_equation_get_target_currency(buttons->priv->equation),
&value)) {
char input_text[1024], output_text[1024];
const char *source_symbol, *target_symbol;
int i;
mp_cast_to_string(&x, 10, 10, 2, false, input_text, 1024);
mp_cast_to_string(&value, 10, 10, 2, false, output_text, 1024);
for (i = 0; strcmp(math_equation_get_source_currency(buttons->priv->equation), currency_names[i].short_name) != 0; i++);
source_symbol = currency_names[i].symbol;
for (i = 0; strcmp(math_equation_get_target_currency(buttons->priv->equation), currency_names[i].short_name) != 0; i++);
target_symbol = currency_names[i].symbol;
label = g_strdup_printf("%s%s = %s%s",
source_symbol, input_text,
target_symbol, output_text);
}
else
label = g_strdup("");
gtk_label_set_text(GTK_LABEL(buttons->priv->currency_label), label);
g_free(label);
}
static void
display_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
update_angle_label(buttons);
update_currency_label(buttons);
update_bit_panel(buttons);
}
static void
angle_unit_combobox_changed_cb(GtkWidget *combo, MathButtons *buttons)
{
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(buttons->priv->equation, value);
}
static void
angle_unit_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean valid;
model = gtk_combo_box_get_model(GTK_COMBO_BOX(buttons->priv->angle_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 == math_equation_get_angle_units(buttons->priv->equation))
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->angle_combo), &iter);
}
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_equation_set_base(buttons->priv->equation, 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 void
source_currency_combo_changed_cb(GtkWidget *combo, MathButtons *buttons)
{
gchar *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, 0, &value, -1);
math_equation_set_source_currency(buttons->priv->equation, value);
g_free (value);
}
static void
source_currency_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean valid;
if (buttons->priv->mode != FINANCIAL)
return;
model = gtk_combo_box_get_model(GTK_COMBO_BOX(buttons->priv->source_currency_combo));
valid = gtk_tree_model_get_iter_first(model, &iter);
while (valid) {
gchar *v;
gboolean matched;
gtk_tree_model_get(model, &iter, 0, &v, -1);
matched = strcmp (math_equation_get_source_currency(buttons->priv->equation), v) == 0;
g_free (v);
if (matched)
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->source_currency_combo), &iter);
update_currency_label(buttons);
}
static void
target_currency_combo_changed_cb(GtkWidget *combo, MathButtons *buttons)
{
gchar *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, 0, &value, -1);
math_equation_set_target_currency(buttons->priv->equation, value);
g_free (value);
}
static void
target_currency_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
GtkTreeModel *model;
GtkTreeIter iter;
gboolean valid;
if (buttons->priv->mode != FINANCIAL)
return;
model = gtk_combo_box_get_model(GTK_COMBO_BOX(buttons->priv->target_currency_combo));
valid = gtk_tree_model_get_iter_first(model, &iter);
while (valid) {
gchar *v;
gboolean matched;
gtk_tree_model_get(model, &iter, 0, &v, -1);
matched = strcmp (math_equation_get_target_currency(buttons->priv->equation), v) == 0;
g_free (v);
if (matched)
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->target_currency_combo), &iter);
update_currency_label(buttons);
}
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) {
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, FALSE, 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);
switch (button_data[i].class) {
case NUMBER:
set_tint(button, &buttons->priv->color_numbers, 1);
break;
case NUMBER_BOLD:
set_tint(button, &buttons->priv->color_numbers, 2);
break;
case OPERATOR:
set_tint(button, &buttons->priv->color_operator, 1);
break;
case FUNCTION:
set_tint(button, &buttons->priv->color_function, 1);
break;
case MEMORY:
set_tint(button, &buttons->priv->color_memory, 1);
break;
case GROUP:
set_tint(button, &buttons->priv->color_group, 1);
break;
case ACTION:
set_tint(button, &buttons->priv->color_action, 2);
break;
}
}
/* 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) {
g_object_set_data(G_OBJECT(button), "calc_digit", GINT_TO_POINTER(i));
set_tint(button, &buttons->priv->color_numbers, 1);
gtk_button_set_label(GTK_BUTTON(button), math_equation_get_digit_text(buttons->priv->equation, i));
}
g_free(name);
}
widget = GET_WIDGET(builder, "calc_numeric_point_button");
if (widget)
gtk_button_set_label(GTK_BUTTON(widget), math_equation_get_numeric_point_text(buttons->priv->equation));
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);
}
if (mode == ADVANCED) {
GtkListStore *model;
GtkTreeIter iter;
GtkCellRenderer *renderer;
buttons->priv->angle_label = GET_WIDGET(builder, "angle_label");
buttons->priv->angle_combo = GET_WIDGET(builder, "angle_units_combo");
model = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
gtk_combo_box_set_model(GTK_COMBO_BOX(buttons->priv->angle_combo), GTK_TREE_MODEL(model));
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0,
/* Advanced buttons: 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,
/* Advanced buttons: 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,
/* Advanced buttons: 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(buttons->priv->angle_combo), renderer, TRUE);
gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(buttons->priv->angle_combo), renderer, "text", 0);
g_signal_connect(buttons->priv->angle_combo, "changed", G_CALLBACK(angle_unit_combobox_changed_cb), buttons);
g_signal_connect(buttons->priv->equation, "notify::angle-units", G_CALLBACK(angle_unit_cb), buttons);
angle_unit_cb(buttons->priv->equation, NULL, buttons);
}
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) {
GtkListStore *model;
GtkCellRenderer *renderer;
load_finc_dialogs(buttons);
buttons->priv->source_currency_combo = GET_WIDGET(builder, "source_currency_combo");
buttons->priv->target_currency_combo = GET_WIDGET(builder, "target_currency_combo");
buttons->priv->currency_label = GET_WIDGET(builder, "currency_label");
model = gtk_list_store_new(1, G_TYPE_STRING);
for (i = 0; currency_names[i].short_name != NULL; i++) {
GtkTreeIter iter;
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0, currency_names[i].short_name, -1);
}
gtk_combo_box_set_model(GTK_COMBO_BOX(buttons->priv->source_currency_combo), GTK_TREE_MODEL(model));
gtk_combo_box_set_model(GTK_COMBO_BOX(buttons->priv->target_currency_combo), GTK_TREE_MODEL(model));
renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(buttons->priv->source_currency_combo), renderer, TRUE);
gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(buttons->priv->source_currency_combo), renderer, "text", 0);
renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(buttons->priv->target_currency_combo), renderer, TRUE);
gtk_cell_layout_add_attribute(GTK_CELL_LAYOUT(buttons->priv->target_currency_combo), renderer, "text", 0);
g_signal_connect(buttons->priv->source_currency_combo, "changed", G_CALLBACK(source_currency_combo_changed_cb), buttons);
g_signal_connect(buttons->priv->target_currency_combo, "changed", G_CALLBACK(target_currency_combo_changed_cb), buttons);
g_signal_connect(buttons->priv->equation, "notify::source-currency", G_CALLBACK(source_currency_changed_cb), buttons);
g_signal_connect(buttons->priv->equation, "notify::target-currency", G_CALLBACK(target_currency_changed_cb), buttons);
source_currency_changed_cb(buttons->priv->equation, NULL, buttons);
target_currency_changed_cb(buttons->priv->equation, NULL, 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
load_buttons(MathButtons *buttons)
{
GtkWidget *panel;
if (!gtk_widget_get_visible(GTK_WIDGET(buttons)))
return;
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)
{
ButtonMode old_mode;
if (buttons->priv->mode == mode)
return;
old_mode = buttons->priv->mode;
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);
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)
{
buttons->priv->programming_base = base;
}
gint
math_buttons_get_programming_base(MathButtons *buttons)
{
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
button_menu_position_func(GtkMenu *menu, gint *x, gint *y,
gboolean *push_in, gpointer user_data)
{
GtkWidget *button = user_data;
GtkAllocation allocation;
GdkPoint loc;
gint border;
gdk_window_get_origin(gtk_widget_get_window(button), &loc.x, &loc.y);
border = gtk_container_get_border_width(GTK_CONTAINER(button));
gtk_widget_get_allocation(button, &allocation);
*x = loc.x + allocation.x + border;
*y = loc.y + allocation.y + border;
}
static void
popup_button_menu(GtkWidget *widget, GtkMenu *menu)
{
gtk_menu_popup(menu, NULL, NULL,
button_menu_position_func, widget, 1, gtk_get_current_event_time());
}
static void
save_variable_cb(GtkWidget *widget, MathButtons *buttons)
{
printf("save\n");
}
static void
delete_variable_cb(GtkWidget *widget, MathButtons *buttons)
{
printf("delete\n");
}
static GtkWidget *
make_register_menu_item(MathButtons *buttons, const gchar *name, const MPNumber *value, gboolean can_modify, GCallback callback)
{
gchar text[1024] = "", *mstr;
GtkWidget *item, *label;
if (value) {
display_make_number(buttons->priv->equation, text, 1024, value);
mstr = g_strdup_printf("<span weight=\"bold\">%s</span> = %s", name, text);
}
else
mstr = g_strdup_printf("<span weight=\"bold\">%s</span>", name);
label = gtk_label_new(mstr);
gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
g_free(mstr);
item = gtk_menu_item_new();
// FIXME: Buttons don't work inside menus...
if (0) {//can_modify) {
GtkWidget *hbox, *button;
hbox = gtk_hbox_new(FALSE, 6);
gtk_container_add(GTK_CONTAINER(item), hbox);
gtk_box_pack_start(GTK_BOX(hbox), label, TRUE, TRUE, 0);
button = gtk_button_new();
gtk_button_set_image(GTK_BUTTON(button), gtk_image_new_from_stock(GTK_STOCK_DELETE, GTK_ICON_SIZE_MENU));
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, TRUE, 0);
g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(delete_variable_cb), buttons);
button = gtk_button_new();
gtk_button_set_image(GTK_BUTTON(button), gtk_image_new_from_stock(GTK_STOCK_SAVE, GTK_ICON_SIZE_MENU));
gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, TRUE, 0);
g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(save_variable_cb), buttons);
}
else
gtk_container_add(GTK_CONTAINER(item), label);
g_object_set_data(G_OBJECT(item), "register_id", g_strdup(name)); // FIXME: Memory leak
g_signal_connect(item, "activate", callback, buttons);
return item;
}
static void
store_menu_cb(GtkMenuItem *menu, MathButtons *buttons)
{
math_equation_store(buttons->priv->equation, g_object_get_data(G_OBJECT(menu), "register_id"));
}
void store_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
store_cb(GtkWidget *widget, MathButtons *buttons)
{
int i;
GtkWidget *menu;
GtkWidget *item;
gchar **names;
menu = gtk_menu_new();
gtk_menu_set_reserve_toggle_size(GTK_MENU(menu), FALSE);
set_tint(menu, &buttons->priv->color_memory, 1);
names = math_variables_get_names(math_equation_get_variables(buttons->priv->equation));
if (names[0] == NULL) {
item = gtk_menu_item_new_with_label(/* Text shown in store menu when no variables defined */
_("No variables defined"));
gtk_widget_set_sensitive(item, FALSE);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
}
for (i = 0; names[i]; i++) {
MPNumber *value;
value = math_variables_get_value(math_equation_get_variables(buttons->priv->equation), names[i]);
item = make_register_menu_item(buttons, names[i], value, TRUE, G_CALLBACK(store_menu_cb));
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
}
g_strfreev(names);
// FIXME
//item = gtk_menu_item_new_with_label(_("Add variable"));
//gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
gtk_widget_show_all(menu);
popup_button_menu(widget, GTK_MENU(menu));
}
static void
recall_menu_cb(GtkMenuItem *menu, MathButtons *buttons)
{
math_equation_recall(buttons->priv->equation, g_object_get_data(G_OBJECT(menu), "register_id"));
}
void recall_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
recall_cb(GtkWidget *widget, MathButtons *buttons)
{
int i;
GtkWidget *menu;
GtkWidget *item;
gchar **names;
menu = gtk_menu_new();
gtk_menu_set_reserve_toggle_size(GTK_MENU(menu), FALSE);
set_tint(menu, &buttons->priv->color_memory, 1);
names = math_variables_get_names(math_equation_get_variables(buttons->priv->equation));
if (names[0] == NULL) {
item = gtk_menu_item_new_with_label(/* Text shown in recall menu when no variables defined */
_("No variables defined"));
gtk_widget_set_sensitive(item, FALSE);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
}
for (i = 0; names[i]; i++) {
MPNumber *value;
value = math_variables_get_value(math_equation_get_variables(buttons->priv->equation), names[i]);
item = make_register_menu_item(buttons, names[i], value, TRUE, G_CALLBACK(recall_menu_cb));
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
}
g_strfreev(names);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), gtk_separator_menu_item_new());
item = make_register_menu_item(buttons, "ans", math_equation_get_answer(buttons->priv->equation), FALSE, G_CALLBACK(recall_menu_cb));
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
item = make_register_menu_item(buttons, "rand", NULL, FALSE, G_CALLBACK(recall_menu_cb));
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
gtk_widget_show_all(menu);
popup_button_menu(widget, GTK_MENU(menu));
}
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);
set_tint(menu, &buttons->priv->color_action, 1);
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);
set_tint(menu, &buttons->priv->color_action, 1);
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 " },
{ /* Tooltip for the ceiling button */
N_("Sign"), "sgn " },
{ NULL, NULL }
};
menu = buttons->priv->function_menu = gtk_menu_new();
gtk_menu_set_reserve_toggle_size(GTK_MENU(menu), FALSE);
set_tint(menu, &buttons->priv->color_function, 1);
for (i = 0; functions[i].name != NULL; i++) {
GtkWidget *item;
item = gtk_menu_item_new_with_label(_(functions[i].name));
g_object_set_data(G_OBJECT(item), "function", g_strdup (functions[i].function));
gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
g_signal_connect(item, "activate", G_CALLBACK(insert_function_cb), buttons);
gtk_widget_show(item);
}
}
popup_button_menu(widget, GTK_MENU(buttons->priv->function_menu));
}
void factorize_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
factorize_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_factorize (buttons->priv->equation);
}
void digit_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
digit_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert_digit(buttons->priv->equation, GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "calc_digit")));
}
void numeric_point_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
numeric_point_cb(GtkWidget *widget, MathButtons *buttons)
{
math_equation_insert_numeric_point(buttons->priv->equation);
}
void finc_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
finc_cb(GtkWidget *widget, MathButtons *buttons)
{
gchar *name;
name = g_object_get_data(G_OBJECT(widget), "finc_dialog");
gtk_dialog_run(GTK_DIALOG(GET_WIDGET(buttons->priv->financial_ui, name)));
gtk_widget_hide(GTK_WIDGET(GET_WIDGET(buttons->priv->financial_ui, name)));
}
void insert_character_code_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
insert_character_code_cb(GtkWidget *widget, MathButtons *buttons)
{
gtk_window_present(GTK_WINDOW(buttons->priv->character_code_dialog));
}
void finc_activate_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
finc_activate_cb(GtkWidget *widget, MathButtons *buttons)
{
gint dialog, field;
dialog = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "finc_dialog"));
field = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "finc_field"));
if (finc_dialog_fields[dialog][field+1] == NULL) {
GtkWidget *dialog_widget;
dialog_widget = gtk_widget_get_toplevel(widget);
if (gtk_widget_is_toplevel (dialog_widget)) {
gtk_dialog_response(GTK_DIALOG(dialog_widget),
GTK_RESPONSE_OK);
return;
}
}
else {
GtkWidget *next_widget;
next_widget = GET_WIDGET(buttons->priv->financial_ui, finc_dialog_fields[dialog][field+1]);
gtk_widget_grab_focus(next_widget);
}
}
void finc_response_cb(GtkWidget *widget, gint response_id, MathButtons *buttons);
G_MODULE_EXPORT
void
finc_response_cb(GtkWidget *widget, gint response_id, MathButtons *buttons)
{
int dialog;
int i;
MPNumber arg[4];
GtkWidget *entry;
if (response_id != GTK_RESPONSE_OK)
return;
dialog = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(widget), "finc_dialog"));
for (i = 0; i < 4; i++) {
if (finc_dialog_fields[dialog][i] == NULL) {
continue;
}
entry = GET_WIDGET(buttons->priv->financial_ui, finc_dialog_fields[dialog][i]);
mp_set_from_string(gtk_entry_get_text(GTK_ENTRY(entry)), 10, &arg[i]);
gtk_entry_set_text(GTK_ENTRY(entry), "0");
}
gtk_widget_grab_focus(GET_WIDGET(buttons->priv->financial_ui, finc_dialog_fields[dialog][0]));
do_finc_expression(buttons->priv->equation, dialog, &arg[0], &arg[1], &arg[2], &arg[3]);
}
void character_code_dialog_response_cb(GtkWidget *dialog, gint response_id, MathButtons *buttons);
G_MODULE_EXPORT
void
character_code_dialog_response_cb(GtkWidget *dialog, gint response_id, MathButtons *buttons)
{
const gchar *text;
text = gtk_entry_get_text(GTK_ENTRY(buttons->priv->character_code_entry));
if (response_id == GTK_RESPONSE_OK) {
MPNumber x;
int i = 0;
mp_set_from_integer(0, &x);
while (TRUE) {
mp_add_integer(&x, text[i], &x);
if (text[i+1]) {
mp_shift(&x, 8, &x);
i++;
}
else
break;
}
math_equation_insert_number(buttons->priv->equation, &x);
}
gtk_widget_hide(dialog);
}
void character_code_dialog_activate_cb(GtkWidget *entry, MathButtons *buttons);
G_MODULE_EXPORT
void
character_code_dialog_activate_cb(GtkWidget *entry, MathButtons *buttons)
{
character_code_dialog_response_cb(buttons->priv->character_code_dialog, GTK_RESPONSE_OK, buttons);
}
gboolean character_code_dialog_delete_cb(GtkWidget *dialog, GdkEvent *event, MathButtons *buttons);
G_MODULE_EXPORT
gboolean
character_code_dialog_delete_cb(GtkWidget *dialog, GdkEvent *event, MathButtons *buttons)
{
character_code_dialog_response_cb(dialog, GTK_RESPONSE_CANCEL, buttons);
return TRUE;
}
gboolean bit_toggle_cb(GtkWidget *event_box, GdkEventButton *event, MathButtons *buttons);
G_MODULE_EXPORT
gboolean
bit_toggle_cb(GtkWidget *event_box, GdkEventButton *event, MathButtons *buttons)
{
math_equation_toggle_bit(buttons->priv->equation, GPOINTER_TO_INT(g_object_get_data(G_OBJECT(event_box), "bit_index")));
return TRUE;
}
void set_superscript_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
set_superscript_cb(GtkWidget *widget, MathButtons *buttons)
{
if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
math_equation_set_number_mode(buttons->priv->equation, SUPERSCRIPT);
else if (math_equation_get_number_mode(buttons->priv->equation) == SUPERSCRIPT)
math_equation_set_number_mode(buttons->priv->equation, NORMAL);
}
void set_subscript_cb(GtkWidget *widget, MathButtons *buttons);
G_MODULE_EXPORT
void
set_subscript_cb(GtkWidget *widget, MathButtons *buttons)
{
if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
math_equation_set_number_mode(buttons->priv->equation, SUBSCRIPT);
else if (math_equation_get_number_mode(buttons->priv->equation) == SUBSCRIPT)
math_equation_set_number_mode(buttons->priv->equation, NORMAL);
}
static void
number_mode_changed_cb(MathEquation *equation, GParamSpec *spec, MathButtons *buttons)
{
GList *i;
NumberMode mode;
mode = math_equation_get_number_mode(equation);
for (i = buttons->priv->superscript_toggles; i; i = i->next) {
GtkWidget *widget = i->data;
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), mode == SUPERSCRIPT);
}
for (i = buttons->priv->subscript_toggles; i; i = i->next) {
GtkWidget *widget = i->data;
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), mode == SUBSCRIPT);
}
}
static void
math_buttons_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MathButtons *self;
self = MATH_BUTTONS (object);
switch (prop_id) {
case PROP_EQUATION:
self->priv->equation = g_value_get_object (value);
math_buttons_set_mode(self, self->priv->mode);
g_signal_connect(self->priv->equation, "notify::display", G_CALLBACK(display_changed_cb), self);
g_signal_connect(self->priv->equation, "notify::number-mode", G_CALLBACK(number_mode_changed_cb), self);
g_signal_connect(self->priv->equation, "notify::angle-units", G_CALLBACK(display_changed_cb), self);
g_signal_connect(self->priv->equation, "notify::number-format", G_CALLBACK(display_changed_cb), self);
number_mode_changed_cb(self->priv->equation, NULL, self);
display_changed_cb(self->priv->equation, NULL, self);
break;
case PROP_MODE:
math_buttons_set_mode(self, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
math_buttons_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MathButtons *self;
self = MATH_BUTTONS (object);
switch (prop_id) {
case PROP_EQUATION:
g_value_set_object (value, self->priv->equation);
break;
case PROP_MODE:
g_value_set_int (value, self->priv->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
math_buttons_class_init (MathButtonsClass *klass)
{
static GEnumValue button_mode_values[] =
{
{BASIC, "basic", "basic"},
{ADVANCED, "advanced", "advanced"},
{FINANCIAL, "financial", "financial"},
{PROGRAMMING, "programming", "programming"},
{0, NULL, NULL}
};
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = math_buttons_get_property;
object_class->set_property = math_buttons_set_property;
g_type_class_add_private (klass, sizeof (MathButtonsPrivate));
button_mode_type = g_enum_register_static("ButtonMode", button_mode_values);
g_object_class_install_property (object_class,
PROP_EQUATION,
g_param_spec_object ("equation",
"equation",
"Equation being controlled",
math_equation_get_type(),
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_MODE,
g_param_spec_enum ("mode",
"mode",
"Button mode",
button_mode_type,
BASIC,
G_PARAM_READWRITE));
}
static void
math_buttons_init (MathButtons *buttons)
{
buttons->priv = G_TYPE_INSTANCE_GET_PRIVATE (buttons, math_buttons_get_type(), MathButtonsPrivate);
buttons->priv->programming_base = 10;
gdk_color_parse("#0000FF", &buttons->priv->color_numbers);
gdk_color_parse("#00FF00", &buttons->priv->color_action);
gdk_color_parse("#FF0000", &buttons->priv->color_operator);
gdk_color_parse("#00FFFF", &buttons->priv->color_function);
gdk_color_parse("#FF00FF", &buttons->priv->color_memory);
gdk_color_parse("#FFFFFF", &buttons->priv->color_group);
g_signal_connect(G_OBJECT(buttons), "show", G_CALLBACK(load_buttons), NULL);
}