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authorPerberos <[email protected]>2011-11-08 13:50:37 -0300
committerPerberos <[email protected]>2011-11-08 13:50:37 -0300
commit2358ba4314dc6d757049bc4871ecf2922614b61b (patch)
tree12e52f491560916f0458c87b2d98ffa94500cb0f /src/math-buttons.c
downloadmate-calc-2358ba4314dc6d757049bc4871ecf2922614b61b.tar.bz2
mate-calc-2358ba4314dc6d757049bc4871ecf2922614b61b.tar.xz
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diff --git a/src/math-buttons.c b/src/math-buttons.c
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+++ b/src/math-buttons.c
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+/* 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)
+{
+ 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);
+}