diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbvruler.c')
-rw-r--r-- | tools/glade/glade/gbwidgets/gbvruler.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbvruler.c b/tools/glade/glade/gbwidgets/gbvruler.c new file mode 100644 index 00000000..f482df36 --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbvruler.c @@ -0,0 +1,260 @@ + +/* 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/gtkvruler.h> +#include "../gb.h" + +/* Include the 21x21 icon pixmap for this widget, to be used in the palette */ +#include "../graphics/vruler.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 *Metric = "VRuler|GtkRuler::metric"; +static gchar *Lower = "VRuler|GtkRuler::lower"; +static gchar *Upper = "VRuler|GtkRuler::upper"; +static gchar *Pos = "VRuler|GtkRuler::position"; +static gchar *Max = "VRuler|GtkRuler::max_size"; + +static const gchar *GbMetricChoices[] = +{"Pixels", "Inches", "Centimeters", NULL}; +static const gint GbMetricValues[] = +{ + GTK_PIXELS, + GTK_INCHES, + GTK_CENTIMETERS +}; +static const gchar *GbMetricSymbols[] = +{ + "GTK_PIXELS", + "GTK_INCHES", + "GTK_CENTIMETERS" +}; + + +/****** + * 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 GtkVRuler, 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_vruler_new (GbWidgetNewData * data) +{ + GtkWidget *new_widget = gtk_vruler_new (); + gtk_ruler_set_range (GTK_RULER (new_widget), 0, 10, 0, 10); + return new_widget; +} + + + +/* + * Creates the components needed to edit the extra properties of this widget. + */ +static void +gb_vruler_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) +{ + property_add_choice (Metric, _("Metric:"), + _("The units of the ruler"), + GbMetricChoices); + property_add_float (Lower, _("Lower Value:"), + _("The low value of the ruler")); + property_add_float (Upper, _("Upper Value:"), + _("The low value of the ruler")); + property_add_float (Pos, _("Position:"), + _("The current position on the ruler")); + property_add_float (Max, _("Max:"), + _("The maximum value of the ruler")); +} + + + +/* + * 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_vruler_get_properties (GtkWidget * widget, GbWidgetGetArgData * data) +{ + gchar *metric_name; + gint i; + + metric_name = GTK_RULER (widget)->metric->metric_name; + for (i = 0; i < sizeof (GbMetricValues) / sizeof (GbMetricValues[0]); i++) + { + if (!strcmp (GbMetricChoices[i], metric_name)) + gb_widget_output_choice (data, Metric, i, GbMetricSymbols[i]); + } + + gb_widget_output_float (data, Lower, GTK_RULER (widget)->lower); + gb_widget_output_float (data, Upper, GTK_RULER (widget)->upper); + gb_widget_output_float (data, Pos, GTK_RULER (widget)->position); + gb_widget_output_float (data, Max, GTK_RULER (widget)->max_size); +} + + + +/* + * 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_vruler_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) +{ + gchar *metric; + gint i; + gfloat lower, upper, pos, max; + gboolean set_range = FALSE; + + metric = gb_widget_input_choice (data, Metric); + if (data->apply) + { + for (i = 0; i < sizeof (GbMetricValues) / sizeof (GbMetricValues[0]); i + ++) + { + if (!strcmp (metric, GbMetricChoices[i]) + || !strcmp (metric, GbMetricSymbols[i])) + { + gtk_ruler_set_metric (GTK_RULER (widget), GbMetricValues[i]); + break; + } + } + } + + lower = gb_widget_input_float (data, Lower); + if (data->apply) + set_range = TRUE; + else + lower = GTK_RULER (widget)->lower; + + upper = gb_widget_input_float (data, Upper); + if (data->apply) + set_range = TRUE; + else + upper = GTK_RULER (widget)->upper; + + pos = gb_widget_input_float (data, Pos); + if (data->apply) + set_range = TRUE; + else + pos = GTK_RULER (widget)->position; + + max = gb_widget_input_float (data, Max); + if (data->apply) + set_range = TRUE; + else + max = GTK_RULER (widget)->max_size; + + if (set_range) + gtk_ruler_set_range (GTK_RULER (widget), lower, upper, pos, max); +} + + + +/* + * Adds menu items to a context menu which is just about to appear! + * Add commands to aid in editing a GtkVRuler, with signals pointing to + * other functions in this file. + */ +/* + static void + gb_vruler_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_vruler_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) +{ + gchar *metric_name; + gint i; + + if (data->create_widget) + { + source_add (data, " %s = gtk_vruler_new ();\n", data->wname); + } + + gb_widget_write_standard_source (widget, data); + + metric_name = GTK_RULER (widget)->metric->metric_name; + if (strcmp (metric_name, "Pixels")) + { + for (i = 0; i < sizeof (GbMetricValues) / sizeof (GbMetricValues[0]); i + ++) + { + if (!strcmp (GbMetricChoices[i], metric_name)) + source_add (data, " gtk_ruler_set_metric (GTK_RULER (%s), %s);\n", + data->wname, GbMetricSymbols[i]); + } + } + source_add (data, " gtk_ruler_set_range (GTK_RULER (%s), %g, %g, %g, %g);\n", + data->wname, GTK_RULER (widget)->lower, GTK_RULER (widget)->upper, + GTK_RULER (widget)->position, GTK_RULER (widget)->max_size); +} + + + +/* + * 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_vruler_init () +{ + /* Initialise the GTK type */ + volatile GtkType type; + type = gtk_vruler_get_type (); + + /* Initialize the GbWidget structure */ + gb_widget_init_struct (&gbwidget); + + /* Fill in the pixmap struct & tooltip */ + gbwidget.pixmap_struct = vruler_xpm; + gbwidget.tooltip = _("Vertical Ruler"); + + /* Fill in any functions that this GbWidget has */ + gbwidget.gb_widget_new = gb_vruler_new; + gbwidget.gb_widget_create_properties = gb_vruler_create_properties; + gbwidget.gb_widget_get_properties = gb_vruler_get_properties; + gbwidget.gb_widget_set_properties = gb_vruler_set_properties; + gbwidget.gb_widget_write_source = gb_vruler_write_source; +/* + gbwidget.gb_widget_create_popup_menu = gb_vruler_create_popup_menu; + */ + + return &gbwidget; +} |