/* Gtk+ User Interface Builder * Copyright (C) 1998 Damon Chaplin * * 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. * * 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 #include "../gb.h" /* Include the 21x21 icon pixmap for this widget, to be used in the palette */ #include "../graphics/spinbutton.xpm" /* * This is the GbWidget struct for this widget (see ../gbwidget.h). * It is initialized in the init() function at the end of this file */ static GbWidget gbwidget; static gchar *ClimbRate = "GtkSpinButton::climb_rate"; static gchar *Digits = "GtkSpinButton::digits"; static gchar *Numeric = "GtkSpinButton::numeric"; static gchar *Policy = "GtkSpinButton::update_policy"; static gchar *Snap = "GtkSpinButton::snap_to_ticks"; static gchar *Wrap = "GtkSpinButton::wrap"; static const gchar *Values[] = { "GtkSpinButton::value", "GtkSpinButton::lower", "GtkSpinButton::upper", "GtkSpinButton::step", "GtkSpinButton::page", "GtkSpinButton::page_size", }; static const gchar *GbPolicyChoices[] = {"Always", "If Valid", NULL}; static const gint GbPolicyValues[] = { GTK_UPDATE_ALWAYS, GTK_UPDATE_IF_VALID }; static const gchar *GbPolicySymbols[] = { "GTK_UPDATE_ALWAYS", "GTK_UPDATE_IF_VALID" }; /****** * NOTE: To use these functions you need to uncomment them AND add a pointer * to the function in the GbWidget struct at the end of this file. ******/ /* * Creates a new GtkWidget of class GtkSpinButton, performing any specialized * initialization needed for the widget to work correctly in this environment. * If a dialog box is used to initialize the widget, return NULL from this * function, and call data->callback with your new widget when it is done. * If the widget needs a special destroy handler, add a signal here. */ GtkWidget * gb_spin_button_new (GbWidgetNewData * data) { GtkObject *adjustment = gtk_adjustment_new (1, 0, 100, 1, 10, 10); return gtk_spin_button_new (GTK_ADJUSTMENT (adjustment), 1, 0); } /* * Creates the components needed to edit the extra properties of this widget. */ static void gb_spin_button_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) { property_add_float (ClimbRate, _("Climb Rate:"), _("The climb rate of the spinbutton, used in conjunction with the Page Increment")); property_add_int_range (Digits, _("Digits:"), _("The number of decimal digits to show"), 0, 5, 1, 1, 0); property_add_bool (Numeric, _("Numeric:"), _("If only numeric entry is allowed")); property_add_choice (Policy, _("Update Policy:"), _("When value_changed signals are emitted"), GbPolicyChoices); property_add_bool (Snap, _("Snap:"), _("If the value is snapped to multiples of the step increment")); property_add_bool (Wrap, _("Wrap:"), _("If the value is wrapped at the limits")); property_add_adjustment (Values, GB_ADJUST_DEFAULT_LABELS); } /* * Gets the properties of the widget. This is used for both displaying the * properties in the property editor, and also for saving the properties. */ static void gb_spin_button_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) { gint i, update_policy; gb_widget_output_float (data, ClimbRate, GTK_SPIN_BUTTON (widget)->climb_rate); gb_widget_output_int (data, Digits, GTK_SPIN_BUTTON (widget)->digits); gb_widget_output_bool (data, Numeric, GTK_SPIN_BUTTON (widget)->numeric); /* This is a slight kludge since the spin_button's update policy is a set of flags rather than integer values */ update_policy = GTK_SPIN_BUTTON (widget)->update_policy & (GTK_UPDATE_ALWAYS | GTK_UPDATE_IF_VALID); for (i = 0; i < sizeof (GbPolicyValues) / sizeof (GbPolicyValues[0]); i++) { if (GbPolicyValues[i] == update_policy) gb_widget_output_choice (data, Policy, i, GbPolicySymbols[i]); } /* In GTK 1.1 snap_to_ticks is given its own variable. */ gb_widget_output_bool (data, Snap, GTK_SPIN_BUTTON (widget)->snap_to_ticks); gb_widget_output_bool (data, Wrap, GTK_SPIN_BUTTON (widget)->wrap); gb_widget_output_adjustment (data, Values, GTK_SPIN_BUTTON (widget)->adjustment, "adjustment"); } /* * Sets the properties of the widget. This is used for both applying the * properties changed in the property editor, and also for loading. */ static void gb_spin_button_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) { gfloat climb_rate; gint digits, policy_value = GTK_UPDATE_ALWAYS, i; gchar *policy; gboolean numeric, snap, wrap; GtkAdjustment *adj; climb_rate = gb_widget_input_float (data, ClimbRate); /* No set function for this */ if (data->apply) GTK_SPIN_BUTTON (widget)->climb_rate = climb_rate; digits = gb_widget_input_int (data, Digits); if (data->apply) gtk_spin_button_set_digits (GTK_SPIN_BUTTON (widget), digits); numeric = gb_widget_input_bool (data, Numeric); if (data->apply) gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (widget), numeric); snap = gb_widget_input_bool (data, Snap); if (data->apply) gtk_spin_button_set_snap_to_ticks (GTK_SPIN_BUTTON (widget), snap); policy = gb_widget_input_choice (data, Policy); for (i = 0; i < sizeof (GbPolicyValues) / sizeof (GbPolicyValues[0]); i++) { if (!strcmp (policy, GbPolicyChoices[i]) || !strcmp (policy, GbPolicySymbols[i])) { policy_value = GbPolicyValues[i]; break; } } if (data->apply) gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (widget), policy_value); wrap = gb_widget_input_bool (data, Wrap); if (data->apply) gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (widget), wrap); adj = GTK_SPIN_BUTTON (widget)->adjustment; if (gb_widget_input_adjustment (data, Values, adj, "adjustment")) { gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); } } /* * Adds menu items to a context menu which is just about to appear! * Add commands to aid in editing a GtkSpinButton, with signals pointing to * other functions in this file. */ /* static void gb_spin_button_create_popup_menu(GtkWidget *widget, GbWidgetCreateMenuData *data) { } */ /* * Writes the source code needed to create this widget. * You have to output everything necessary to create the widget here, though * there are some convenience functions to help. */ static void gb_spin_button_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) { gint update_policy; GtkAdjustment *adj = GTK_SPIN_BUTTON (widget)->adjustment; if (data->create_widget) { source_add_decl (data, " GObject *%s_adj;\n", data->real_wname); source_add (data, " %s_adj = G_OBJECT(gtk_adjustment_new (%.12g, %.12g, %.12g, %.12g, %.12g, %.12g));\n", data->real_wname, adj->value, adj->lower, adj->upper, adj->step_increment, adj->page_increment, adj->page_size); source_add (data, " %s = gtk_spin_button_new (GTK_ADJUSTMENT (%s_adj), %.12g, %d);\n", data->wname, data->real_wname, GTK_SPIN_BUTTON (widget)->climb_rate, GTK_SPIN_BUTTON (widget)->digits); } gb_widget_write_standard_source (widget, data); if (GTK_SPIN_BUTTON (widget)->numeric) { source_add (data, " gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (%s), TRUE);\n", data->wname); } update_policy = GTK_SPIN_BUTTON (widget)->update_policy; if (update_policy != GTK_UPDATE_ALWAYS) { source_add (data, " gtk_spin_button_set_update_policy (GTK_SPIN_BUTTON (%s), GTK_UPDATE_IF_VALID);\n", data->wname); } if (GTK_SPIN_BUTTON (widget)->snap_to_ticks) source_add (data, " gtk_spin_button_set_snap_to_ticks (GTK_SPIN_BUTTON (%s), TRUE);\n", data->wname); if (GTK_SPIN_BUTTON (widget)->wrap) source_add (data, " gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (%s), TRUE);\n", data->wname); } /* * Initializes the GbWidget structure. * I've placed this at the end of the file so we don't have to include * declarations of all the functions. */ GbWidget * gb_spin_button_init () { /* Initialise the GTK type */ volatile GtkType type; type = gtk_spin_button_get_type (); /* Initialize the GbWidget structure */ gb_widget_init_struct (&gbwidget); /* Fill in the pixmap struct & tooltip */ gbwidget.pixmap_struct = spinbutton_xpm; gbwidget.tooltip = _("Spin Button"); /* Fill in any functions that this GbWidget has */ gbwidget.gb_widget_new = gb_spin_button_new; gbwidget.gb_widget_create_properties = gb_spin_button_create_properties; gbwidget.gb_widget_get_properties = gb_spin_button_get_properties; gbwidget.gb_widget_set_properties = gb_spin_button_set_properties; /* gbwidget.gb_widget_create_popup_menu = gb_spin_button_create_popup_menu; */ gbwidget.gb_widget_write_source = gb_spin_button_write_source; return &gbwidget; }