diff options
Diffstat (limited to 'src/math-window.c')
| -rw-r--r-- | src/math-window.c | 502 |
1 files changed, 128 insertions, 374 deletions
diff --git a/src/math-window.c b/src/math-window.c index 1caccab..4ecc5f7 100644 --- a/src/math-window.c +++ b/src/math-window.c @@ -1,20 +1,12 @@ -/* Copyright (c) 1987-2008 Sun Microsystems, Inc. All Rights Reserved. - * Copyright (c) 2008-2009 Robert Ancell +/* + * Copyright (C) 1987-2008 Sun Microsystems, Inc. All Rights Reserved. + * Copyright (C) 2008-2011 Robert Ancell. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. + * This program is free software: you can redistribute it and/or modify it under + * the terms of the GNU General Public License as published by the Free Software + * Foundation, either version 2 of the License, or (at your option) any later + * version. See http://www.gnu.org/copyleft/gpl.html the full text of the + * license. */ #include <glib/gi18n.h> @@ -22,472 +14,234 @@ #include <gdk/gdkkeysyms.h> #include "math-window.h" -#include "math-preferences.h" enum { PROP_0, PROP_EQUATION }; -struct MathWindowPrivate { - GtkWidget* menu_bar; - MathEquation* equation; - MathDisplay* display; - MathButtons* buttons; - MathPreferencesDialog* preferences_dialog; +struct MathWindowPrivate +{ + MathEquation *equation; + MathDisplay *display; + MathButtons *buttons; gboolean right_aligned; - GtkWidget* mode_basic_menu_item; - GtkWidget* mode_advanced_menu_item; - GtkWidget* mode_financial_menu_item; - GtkWidget* mode_programming_menu_item; -}; - -G_DEFINE_TYPE(MathWindow, math_window, GTK_TYPE_WINDOW); - -enum { - QUIT, - LAST_SIGNAL }; -static guint signals[LAST_SIGNAL] = {0, }; +G_DEFINE_TYPE (MathWindow, math_window, GTK_TYPE_APPLICATION_WINDOW); -MathWindow* math_window_new(MathEquation* equation) +MathWindow * +math_window_new(GtkApplication *app, MathEquation *equation) { - return g_object_new(math_window_get_type(), "equation", equation, NULL); + return g_object_new(math_window_get_type(), + "application", app, + "equation", equation, NULL); } -GtkWidget* math_window_get_menu_bar(MathWindow* window) -{ - return window->priv->menu_bar; -} - - -MathEquation* math_window_get_equation(MathWindow* window) +MathEquation * +math_window_get_equation(MathWindow *window) { + g_return_val_if_fail(window != NULL, NULL); return window->priv->equation; } -MathDisplay* math_window_get_display(MathWindow* window) +MathDisplay * +math_window_get_display(MathWindow *window) { + g_return_val_if_fail(window != NULL, NULL); return window->priv->display; } -MathButtons* math_window_get_buttons(MathWindow* window) +MathButtons * +math_window_get_buttons(MathWindow *window) { + g_return_val_if_fail(window != NULL, NULL); return window->priv->buttons; } -void math_window_critical_error(MathWindow* window, const gchar* title, const gchar* contents) +void +math_window_critical_error(MathWindow *window, const gchar *title, const gchar *contents) { - GtkWidget* dialog; + GtkWidget *dialog; - dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_NONE, "%s", title); - gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog), "%s", contents); + g_return_if_fail(window != NULL); + g_return_if_fail(title != NULL); + g_return_if_fail(contents != NULL); + + dialog = gtk_message_dialog_new(NULL, 0, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_NONE, + "%s", title); + gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog), + "%s", contents); gtk_dialog_add_buttons(GTK_DIALOG(dialog), GTK_STOCK_QUIT, GTK_RESPONSE_ACCEPT, NULL); gtk_dialog_run(GTK_DIALOG(dialog)); - g_signal_emit(window, signals[QUIT], 0); -} - - -static void copy_cb(GtkWidget* widget, MathWindow* window) -{ - math_equation_copy(window->priv->equation); -} - - -static void paste_cb(GtkWidget* widget, MathWindow* window) -{ - math_equation_paste(window->priv->equation); -} - - -static void undo_cb(GtkWidget* widget, MathWindow* window) -{ - math_equation_undo(window->priv->equation); -} - - -static void redo_cb(GtkWidget* widget, MathWindow* window) -{ - math_equation_redo(window->priv->equation); -} - - -static void mode_changed_cb(GtkWidget* menu, MathWindow* window) -{ - int mode; - - if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(menu))) - { - return; - } - - mode = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(menu), "calcmode")); - math_buttons_set_mode(window->priv->buttons, mode); -} - - -static void show_preferences_cb(GtkMenuItem* menu, MathWindow* window) -{ - if (!window->priv->preferences_dialog) - { - window->priv->preferences_dialog = math_preferences_dialog_new(window->priv->equation); - gtk_window_set_transient_for(GTK_WINDOW(window->priv->preferences_dialog), GTK_WINDOW(window)); - } - - gtk_window_present(GTK_WINDOW(window->priv->preferences_dialog)); -} - - -static void help_cb(GtkWidget* widget, MathWindow* window) -{ - GdkScreen* screen; - GError* error = NULL; - - screen = gtk_widget_get_screen(GTK_WIDGET(window)); - gtk_show_uri(screen, "ghelp:mate-calc", gtk_get_current_event_time(), &error); - - if (error != NULL) - { - GtkWidget* d; - /* Translators: Error message displayed when unable to launch help browser */ - const char* message = _("Unable to open help file"); - - d = gtk_message_dialog_new(GTK_WINDOW(window), GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message); - gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(d), "%s", error->message); - g_signal_connect(d, "response", G_CALLBACK(gtk_widget_destroy), NULL); - gtk_window_present(GTK_WINDOW (d)); - - g_error_free(error); - } -} - - -static void about_cb(GtkWidget* widget, MathWindow* window) -{ - char* authors[] = { - "Rich Burridge <[email protected]>", - "Robert Ancell <[email protected]>", - "Klaus Niederkrüger <[email protected]>", - NULL - }; - - char* documenters[] = { - "Sun Microsystems", - NULL - }; - - /* The translator credits. Please translate this with your name(s). */ - char* translator_credits = _("translator-credits"); - - char copyright[] = \ - "Copyright \xc2\xa9 1986–2010 The GCalctool authors\n" - "Copyright \xc2\xa9 2011-2012 MATE developers"; - - /* The license this software is under (GPL2+) */ - char* license = _("mate-calc is free software; you can redistribute it and/or modify\n" - "it under the terms of the GNU General Public License as published by\n" - "the Free Software Foundation; either version 2 of the License, or\n" - "(at your option) any later version.\n" - "\n" - "mate-calc is distributed in the hope that it will be useful,\n" - "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" - "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" - "GNU General Public License for more details.\n" - "\n" - "You should have received a copy of the GNU General Public License\n" - "along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n" - "51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"); - - gtk_show_about_dialog(GTK_WINDOW(window), - "name", _("mate-calc"), - "version", VERSION, - "copyright", copyright, - "license", license, - "comments", _("Calculator with financial and scientific modes."), - "authors", authors, - "documenters", documenters, - "translator_credits", translator_credits, - "logo-icon-name", "accessories-calculator", - "website", "http://mate-desktop.org", - NULL); + gtk_widget_destroy(GTK_WIDGET(window)); } -static void quit_cb(GtkWidget* widget, MathWindow* window) -{ - g_signal_emit(window, signals[QUIT], 0); -} - - -static gboolean key_press_cb(MathWindow* window, GdkEventKey* event) +static gboolean +key_press_cb(MathWindow *window, GdkEventKey *event) { gboolean result; - g_signal_emit_by_name(window->priv->display, "key-press-event", event, &result); - return result; -} - + if (math_buttons_get_mode (window->priv->buttons) == PROGRAMMING && (event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) { + switch(event->keyval) + { + /* Binary */ + case GDK_KEY_b: + math_equation_set_base (window->priv->equation, 2); + return TRUE; + /* Octal */ + case GDK_KEY_o: + math_equation_set_base (window->priv->equation, 8); + return TRUE; + /* Decimal */ + case GDK_KEY_d: + math_equation_set_base (window->priv->equation, 10); + return TRUE; + /* Hexdecimal */ + case GDK_KEY_h: + math_equation_set_base (window->priv->equation, 16); + return TRUE; + } + } -static void delete_cb(MathWindow* window, GdkEvent* event) -{ - g_signal_emit(window, signals[QUIT], 0); + return result; } -static void scroll_changed_cb(GtkAdjustment* adjustment, MathWindow* window) +static void +scroll_changed_cb(GtkAdjustment *adjustment, MathWindow *window) { if (window->priv->right_aligned) - { gtk_adjustment_set_value(adjustment, gtk_adjustment_get_upper(adjustment) - gtk_adjustment_get_page_size(adjustment)); - } } -static void scroll_value_changed_cb(GtkAdjustment* adjustment, MathWindow* window) +static void +scroll_value_changed_cb(GtkAdjustment *adjustment, MathWindow *window) { if (gtk_adjustment_get_value(adjustment) == gtk_adjustment_get_upper(adjustment) - gtk_adjustment_get_page_size(adjustment)) - { window->priv->right_aligned = TRUE; - } else - { window->priv->right_aligned = FALSE; - } -} - - -static void button_mode_changed_cb(MathButtons* buttons, GParamSpec* spec, MathWindow* window) -{ - GtkWidget* menu; - - switch(math_buttons_get_mode(buttons)) - { - default: - case BASIC: - menu = window->priv->mode_basic_menu_item; - //FIXME: Should it revert to decimal mode? math_equation_set_number_format(window->priv->equation, DEC); - break; - - case ADVANCED: - menu = window->priv->mode_advanced_menu_item; - break; - - case FINANCIAL: - menu = window->priv->mode_financial_menu_item; - break; - - case PROGRAMMING: - menu = window->priv->mode_programming_menu_item; - break; - } - - gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(menu), TRUE); -} - - -static GtkWidget* add_menu(GtkWidget* menu_bar, const gchar* name) -{ - GtkWidget* menu_item; - GtkWidget* menu; - - menu_item = gtk_menu_item_new_with_mnemonic(name); - gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), menu_item); - gtk_widget_show(menu_item); - menu = gtk_menu_new(); - gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), menu); - - return menu; } -static GtkWidget* add_menu_item(GtkWidget* menu, GtkWidget* menu_item, GCallback callback, gpointer callback_data) +static void +create_gui(MathWindow *window) { - gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item); - gtk_widget_show(menu_item); - - if (callback) - { - g_signal_connect(G_OBJECT(menu_item), "activate", callback, callback_data); - } - - return menu_item; -} - - -static GtkWidget* radio_menu_item_new(GSList** group, const gchar* name) -{ - GtkWidget* menu_item = gtk_radio_menu_item_new_with_mnemonic(*group, name); - - *group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(menu_item)); - - return menu_item; -} - - -static void create_menu(MathWindow* window) -{ - GtkAccelGroup* accel_group; - GtkWidget* menu; - GtkWidget* menu_item; - GSList* group = NULL; - - accel_group = gtk_accel_group_new(); - gtk_window_add_accel_group(GTK_WINDOW(window), accel_group); - - /* Calculator menu */ - #define CALCULATOR_MENU_LABEL _("_Calculator") - /* Mode menu */ - #define MODE_MENU_LABEL _("_Mode") - /* Help menu label */ - #define HELP_MENU_LABEL _("_Help") - /* Basic menu label */ - #define MODE_BASIC_LABEL _("_Basic") - /* Advanced menu label */ - #define MODE_ADVANCED_LABEL _("_Advanced") - /* Financial menu label */ - #define MODE_FINANCIAL_LABEL _("_Financial") - /* Programming menu label */ - #define MODE_PROGRAMMING_LABEL _("_Programming") - /* Help>Contents menu label */ - #define HELP_CONTENTS_LABEL _("_Contents") - - menu = add_menu(window->priv->menu_bar, CALCULATOR_MENU_LABEL); - add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_COPY, accel_group), G_CALLBACK(copy_cb), window); - add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_PASTE, accel_group), G_CALLBACK(paste_cb), window); - menu_item = add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_UNDO, accel_group), G_CALLBACK(undo_cb), window); - gtk_widget_add_accelerator(menu_item, "activate", accel_group, GDK_z, GDK_CONTROL_MASK, GTK_ACCEL_VISIBLE); - menu_item = add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_REDO, accel_group), G_CALLBACK(redo_cb), window); - gtk_widget_add_accelerator(menu_item, "activate", accel_group, GDK_z, GDK_CONTROL_MASK | GDK_SHIFT_MASK, GTK_ACCEL_VISIBLE); - add_menu_item(menu, gtk_separator_menu_item_new(), NULL, NULL); - add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_PREFERENCES, accel_group), G_CALLBACK(show_preferences_cb), window); - add_menu_item(menu, gtk_separator_menu_item_new(), NULL, NULL); - menu_item = add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, accel_group), G_CALLBACK(quit_cb), window); - gtk_widget_add_accelerator(menu_item, "activate", accel_group, GDK_w, GDK_CONTROL_MASK, 0); - - menu = add_menu(window->priv->menu_bar, MODE_MENU_LABEL); - window->priv->mode_basic_menu_item = add_menu_item(menu, radio_menu_item_new(&group, MODE_BASIC_LABEL), G_CALLBACK(mode_changed_cb), window); - g_object_set_data(G_OBJECT(window->priv->mode_basic_menu_item), "calcmode", GINT_TO_POINTER(BASIC)); - window->priv->mode_advanced_menu_item = add_menu_item(menu, radio_menu_item_new(&group, MODE_ADVANCED_LABEL), G_CALLBACK(mode_changed_cb), window); - g_object_set_data(G_OBJECT(window->priv->mode_advanced_menu_item), "calcmode", GINT_TO_POINTER(ADVANCED)); - window->priv->mode_financial_menu_item = add_menu_item(menu, radio_menu_item_new(&group, MODE_FINANCIAL_LABEL), G_CALLBACK(mode_changed_cb), window); - g_object_set_data(G_OBJECT(window->priv->mode_financial_menu_item), "calcmode", GINT_TO_POINTER(FINANCIAL)); - window->priv->mode_programming_menu_item = add_menu_item(menu, radio_menu_item_new(&group, MODE_PROGRAMMING_LABEL), G_CALLBACK(mode_changed_cb), window); - g_object_set_data(G_OBJECT(window->priv->mode_programming_menu_item), "calcmode", GINT_TO_POINTER(PROGRAMMING)); - - menu = add_menu(window->priv->menu_bar, HELP_MENU_LABEL); - menu_item = add_menu_item(menu, gtk_menu_item_new_with_mnemonic(HELP_CONTENTS_LABEL), G_CALLBACK(help_cb), window); - gtk_widget_add_accelerator(menu_item, "activate", accel_group, GDK_F1, 0, GTK_ACCEL_VISIBLE); - add_menu_item(menu, gtk_image_menu_item_new_from_stock(GTK_STOCK_ABOUT, accel_group), G_CALLBACK(about_cb), window); -} - - -static void create_gui(MathWindow* window) -{ - GtkWidget* main_vbox; - GtkWidget* vbox; - GtkWidget* scrolled_window; - - main_vbox = gtk_vbox_new(FALSE, 0); + GtkWidget *main_vbox, *vbox; + GtkWidget *scrolled_window; + + main_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_container_add(GTK_CONTAINER(window), main_vbox); gtk_widget_show(main_vbox); - window->priv->menu_bar = gtk_menu_bar_new(); - gtk_box_pack_start(GTK_BOX(main_vbox), window->priv->menu_bar, TRUE, TRUE, 0); - gtk_widget_show(window->priv->menu_bar); - - create_menu(window); - - vbox = gtk_vbox_new(FALSE, 6); + vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6); gtk_container_set_border_width(GTK_CONTAINER(vbox), 6); - gtk_box_pack_start(GTK_BOX(main_vbox), vbox, TRUE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(main_vbox), vbox, TRUE, TRUE, 0); gtk_widget_show(vbox); scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_NEVER); gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled_window), GTK_SHADOW_IN); - gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolled_window), TRUE, TRUE, 0); + gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(scrolled_window), FALSE, FALSE, 0); g_signal_connect(gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(scrolled_window)), "changed", G_CALLBACK(scroll_changed_cb), window); g_signal_connect(gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(scrolled_window)), "value-changed", G_CALLBACK(scroll_value_changed_cb), window); window->priv->right_aligned = TRUE; gtk_widget_show(scrolled_window); window->priv->display = math_display_new_with_equation(window->priv->equation); - gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled_window), GTK_WIDGET(window->priv->display)); + gtk_container_add(GTK_CONTAINER(scrolled_window), GTK_WIDGET(window->priv->display)); gtk_widget_show(GTK_WIDGET(window->priv->display)); window->priv->buttons = math_buttons_new(window->priv->equation); - g_signal_connect(window->priv->buttons, "notify::mode", G_CALLBACK(button_mode_changed_cb), window); - button_mode_changed_cb(window->priv->buttons, NULL, window); gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(window->priv->buttons), TRUE, TRUE, 0); gtk_widget_show(GTK_WIDGET(window->priv->buttons)); } -static void math_window_set_property(GObject* object, guint prop_id, const GValue* value, GParamSpec* pspec) +static void +math_window_set_property(GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) { - MathWindow* self = MATH_WINDOW(object); - - switch (prop_id) - { - case PROP_EQUATION: - self->priv->equation = g_value_get_object(value); - create_gui(self); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); - break; + MathWindow *self; + + self = MATH_WINDOW(object); + + switch (prop_id) { + case PROP_EQUATION: + self->priv->equation = g_value_get_object(value); + create_gui(self); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; } } -static void math_window_get_property(GObject* object, guint prop_id, GValue* value, GParamSpec* pspec) +static void +math_window_get_property(GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) { - MathWindow* self = MATH_WINDOW(object); - - switch (prop_id) - { - case PROP_EQUATION: - g_value_set_object (value, self->priv->equation); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; + MathWindow *self; + + self = MATH_WINDOW(object); + + switch (prop_id) { + case PROP_EQUATION: + g_value_set_object(value, self->priv->equation); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; } } -static void math_window_class_init(MathWindowClass* klass) +static void +math_window_class_init(MathWindowClass *klass) { - GObjectClass* object_class = G_OBJECT_CLASS(klass); + GObjectClass *object_class = G_OBJECT_CLASS(klass); object_class->get_property = math_window_get_property; object_class->set_property = math_window_set_property; g_type_class_add_private(klass, sizeof(MathWindowPrivate)); - g_object_class_install_property(object_class, PROP_EQUATION, g_param_spec_object("equation", "equation", "Equation being calculated", math_equation_get_type(), G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); - - signals[QUIT] = g_signal_new("quit", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET(MathWindowClass, quit), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); + g_object_class_install_property(object_class, + PROP_EQUATION, + g_param_spec_object("equation", + "equation", + "Equation being calculated", + math_equation_get_type(), + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); } -static void math_window_init(MathWindow* window) +static void +math_window_init(MathWindow *window) { window->priv = G_TYPE_INSTANCE_GET_PRIVATE(window, math_window_get_type(), MathWindowPrivate); - - gtk_window_set_title(GTK_WINDOW(window), _("Calculator")); /* Title of main window */ - gtk_window_set_icon_name(GTK_WINDOW(window), "accessories-calculator"); + gtk_window_set_title(GTK_WINDOW(window), + /* Title of main window */ + _("Calculator")); gtk_window_set_role(GTK_WINDOW(window), "mate-calc"); gtk_window_set_resizable(GTK_WINDOW(window), FALSE); g_signal_connect_after(G_OBJECT(window), "key-press-event", G_CALLBACK(key_press_cb), NULL); - g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(delete_cb), NULL); } |