diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbhscale.c')
-rw-r--r-- | tools/glade/glade/gbwidgets/gbhscale.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbhscale.c b/tools/glade/glade/gbwidgets/gbhscale.c new file mode 100644 index 00000000..d5c6d413 --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbhscale.c @@ -0,0 +1,332 @@ + +/* 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/gtkhscale.h> +#include "../gb.h" + +/* Include the 21x21 icon pixmap for this widget, to be used in the palette */ +#include "../graphics/hscale.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 *DrawValue = "HScale|GtkScale::draw_value"; +static gchar *ValuePos = "HScale|GtkScale::value_pos"; +static gchar *Digits = "HScale|GtkRange::digits"; +static gchar *Policy = "HScale|GtkRange::update_policy"; +static gchar *Inverted = "HScale|GtkRange::inverted"; + +static const gchar *Values[] = +{ + "GtkHScale::value", + "GtkHScale::lower", + "GtkHScale::upper", + "GtkHScale::step", + "GtkHScale::page", + "GtkHScale::page_size", +}; + +static const gchar *GbValuePosChoices[] = +{"Left", "Right", "Top", "Bottom", NULL}; +static const gint GbValuePosValues[] = +{ + GTK_POS_LEFT, + GTK_POS_RIGHT, + GTK_POS_TOP, + GTK_POS_BOTTOM +}; +static const gchar *GbValuePosSymbols[] = +{ + "GTK_POS_LEFT", + "GTK_POS_RIGHT", + "GTK_POS_TOP", + "GTK_POS_BOTTOM" +}; + +static const gchar *GbPolicyChoices[] = +{"Continuous", "Discontinuous", "Delayed", + NULL}; +static const gint GbPolicyValues[] = +{ + GTK_UPDATE_CONTINUOUS, + GTK_UPDATE_DISCONTINUOUS, + GTK_UPDATE_DELAYED +}; +static const gchar *GbPolicySymbols[] = +{ + "GTK_UPDATE_CONTINUOUS", + "GTK_UPDATE_DISCONTINUOUS", + "GTK_UPDATE_DELAYED" +}; + +/****** + * 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 GtkHScale, 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_hscale_new (GbWidgetNewData * data) +{ + return gtk_hscale_new (NULL); +} + + + +/* + * Creates the components needed to edit the extra properties of this widget. + */ +static void +gb_hscale_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) +{ + property_add_bool (DrawValue, _("Show Value:"), _("If the scale's value is shown")); + property_add_int_range (Digits, _("Digits:"), _("The number of digits to show"), + 0, 13, 1, 10, 1); + property_add_choice (ValuePos, _("Value Pos:"), + _("The position of the value"), + GbValuePosChoices); + property_add_choice (Policy, _("Policy:"), + _("The update policy of the scale"), + GbPolicyChoices); + property_add_bool (Inverted, _("Inverted:"), _("If the range values are inverted")); + 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_hscale_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) +{ + gint i; + + gb_widget_output_bool (data, DrawValue, GTK_SCALE (widget)->draw_value); + + for (i = 0; i < sizeof (GbValuePosValues) / sizeof (GbValuePosValues[0]); + i++) + { + if (GbValuePosValues[i] == GTK_SCALE (widget)->value_pos) + gb_widget_output_choice (data, ValuePos, i, GbValuePosSymbols[i]); + } + gb_widget_output_int (data, Digits, GTK_SCALE (widget)->digits); + + for (i = 0; i < sizeof (GbPolicyValues) / sizeof (GbPolicyValues[0]); i++) + { + if (GbPolicyValues[i] == GTK_RANGE (widget)->update_policy) + gb_widget_output_choice (data, Policy, i, GbPolicySymbols[i]); + } + + gb_widget_output_bool (data, Inverted, GTK_RANGE (widget)->inverted); + + gb_widget_output_adjustment (data, Values, GTK_RANGE (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_hscale_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) +{ + gboolean draw_value, inverted; + gint digits, i; + gchar *valuepos, *policy; + GtkAdjustment *adj; + + draw_value = gb_widget_input_bool (data, DrawValue); + if (data->apply) + { + gtk_scale_set_draw_value (GTK_SCALE (widget), draw_value); + /* Shouldn't really need to do this */ + editor_refresh_widget (widget); + } + + valuepos = gb_widget_input_choice (data, ValuePos); + if (data->apply) + { + for (i = 0; i < sizeof (GbValuePosValues) / sizeof (GbValuePosValues[0]); + i++) + { + if (!strcmp (valuepos, GbValuePosChoices[i]) + || !strcmp (valuepos, GbValuePosSymbols[i])) + { + gtk_scale_set_value_pos (GTK_SCALE (widget), GbValuePosValues[i]); + break; + } + } + } + + digits = gb_widget_input_int (data, Digits); + if (data->apply) + gtk_scale_set_digits (GTK_SCALE (widget), digits); + + policy = gb_widget_input_choice (data, Policy); + if (data->apply) + { + for (i = 0; i < sizeof (GbPolicyValues) / sizeof (GbPolicyValues[0]); i + ++) + { + if (!strcmp (policy, GbPolicyChoices[i]) + || !strcmp (policy, GbPolicySymbols[i])) + { + gtk_range_set_update_policy (GTK_RANGE (widget), GbPolicyValues + [i]); + break; + } + } + } + + inverted = gb_widget_input_bool (data, Inverted); + if (data->apply) + { + gtk_range_set_inverted (GTK_RANGE (widget), inverted); + } + + adj = GTK_RANGE (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 GtkHScale, with signals pointing to + * other functions in this file. + */ +/* + static void + gb_hscale_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_hscale_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) +{ + GtkAdjustment *adj = GTK_RANGE (widget)->adjustment; + gint i; + + if (data->create_widget) + { + source_add (data, + " %s = gtk_hscale_new (GTK_ADJUSTMENT (gtk_adjustment_new (%g, %g, %g, %g, %g, %g)));\n", + data->wname, adj->value, adj->lower, adj->upper, + adj->step_increment, adj->page_increment, adj->page_size); + } + + gb_widget_write_standard_source (widget, data); + + if (!GTK_SCALE (widget)->draw_value) + source_add (data, " gtk_scale_set_draw_value (GTK_SCALE (%s), FALSE);\n", + data->wname); + + if (GTK_SCALE (widget)->value_pos != GTK_POS_TOP) + { + for (i = 0; i < sizeof (GbValuePosValues) / sizeof (GbValuePosValues[0]); + i++) + { + if (GbValuePosValues[i] == GTK_SCALE (widget)->value_pos) + source_add (data, " gtk_scale_set_value_pos (GTK_SCALE (%s), %s);\n", + data->wname, GbValuePosSymbols[i]); + } + } + if (GTK_SCALE (widget)->digits != 1) + source_add (data, " gtk_scale_set_digits (GTK_SCALE (%s), %i);\n", + data->wname, GTK_SCALE (widget)->digits); + + if (GTK_RANGE (widget)->update_policy != GTK_UPDATE_CONTINUOUS) + { + for (i = 0; i < sizeof (GbPolicyValues) / sizeof (GbPolicyValues[0]); i + ++) + { + if (GbPolicyValues[i] == GTK_RANGE (widget)->update_policy) + source_add (data, + " gtk_range_set_update_policy (GTK_RANGE (%s), %s);\n", + data->wname, GbPolicySymbols[i]); + } + } + + if (GTK_RANGE (widget)->inverted) + { + source_add (data, + " gtk_range_set_inverted (GTK_RANGE (%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_hscale_init () +{ + /* Initialise the GTK type */ + volatile GtkType type; + type = gtk_hscale_get_type (); + + /* Initialize the GbWidget structure */ + gb_widget_init_struct (&gbwidget); + + /* Fill in the pixmap struct & tooltip */ + gbwidget.pixmap_struct = hscale_xpm; + gbwidget.tooltip = _("Horizontal Scale"); + + /* Fill in any functions that this GbWidget has */ + gbwidget.gb_widget_new = gb_hscale_new; + gbwidget.gb_widget_create_properties = gb_hscale_create_properties; + gbwidget.gb_widget_get_properties = gb_hscale_get_properties; + gbwidget.gb_widget_set_properties = gb_hscale_set_properties; + gbwidget.gb_widget_write_source = gb_hscale_write_source; +/* + gbwidget.gb_widget_create_popup_menu = gb_hscale_create_popup_menu; + */ + + return &gbwidget; +} |