diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbspinbutton.c')
-rw-r--r-- | tools/glade/glade/gbwidgets/gbspinbutton.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbspinbutton.c b/tools/glade/glade/gbwidgets/gbspinbutton.c new file mode 100644 index 00000000..38c986fc --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbspinbutton.c @@ -0,0 +1,297 @@ +/* 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 <gtk/gtkspinbutton.h> +#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; +} |