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-rw-r--r--tools/glade/glade/gbwidgets/gbcustom.c395
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diff --git a/tools/glade/glade/gbwidgets/gbcustom.c b/tools/glade/glade/gbwidgets/gbcustom.c
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+/* Gtk+ User Interface Builder
+ * Copyright (C) 1999 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/gtk.h>
+#include "../gb.h"
+
+/* This custom GbWidget provides a simple way of allowing external widgets
+ to be used within an interface generated by Glade.
+ The 'Create Function' property specifies a function which will be called
+ to create the widget. 'String2', 'String2', 'Int1', 'Int2' are optional
+ arguments which will be passed to the creation function along with the
+ widget name. */
+
+/* Include the 21x21 icon pixmap for this widget, to be used in the palette */
+#include "../graphics/custom.xpm"
+
+/* Include the background pixmap to use inside custom widgets. */
+#include "../graphics/custom_bg.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 *CreationFunction = "Custom::creation_function";
+static gchar *LastModTime = "Custom::last_modification_time";
+static gchar *String1 = "Custom::string1";
+static gchar *String2 = "Custom::string2";
+static gchar *Int1 = "Custom::int1";
+static gchar *Int2 = "Custom::int2";
+
+static time_t gb_custom_get_last_mod_time (GtkWidget *widget);
+static void gb_custom_set_last_mod_time (GtkWidget *widget,
+ time_t last_mod_time);
+static void gb_custom_on_widget_realize (GtkWidget *widget, gpointer data);
+
+/******
+ * 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 Custom, 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.
+ */
+static GtkWidget*
+gb_custom_new (GbWidgetNewData *data)
+{
+ GtkWidget *new_widget;
+
+ new_widget = gtk_drawing_area_new ();
+ gtk_object_set_data (GTK_OBJECT (new_widget), GLADE_CUSTOM_KEY, "True");
+
+ gtk_signal_connect_after (GTK_OBJECT (new_widget), "realize",
+ GTK_SIGNAL_FUNC (gb_custom_on_widget_realize),
+ NULL);
+
+ /* Set the initial last_mod_time. */
+ gb_custom_set_last_mod_time (new_widget, -1);
+
+ return new_widget;
+}
+
+
+/* We save the last modification time in the widget's datalist. */
+static time_t
+gb_custom_get_last_mod_time (GtkWidget *widget)
+{
+ time_t *current;
+
+ current = gtk_object_get_data (GTK_OBJECT (widget), LastModTime);
+ g_return_val_if_fail (current != NULL, 0);
+ return *current;
+}
+
+
+/* This sets the last modification time of the creation function name.
+ Use -1 to get the current time. */
+static void
+gb_custom_set_last_mod_time (GtkWidget *widget, time_t last_mod_time)
+{
+ time_t *current;
+
+ current = gtk_object_get_data (GTK_OBJECT (widget), LastModTime);
+ /* Create the time_t if it doesn't already exist. */
+ if (current == NULL)
+ {
+ current = g_new (time_t, 1);
+ gtk_object_set_data (GTK_OBJECT (widget), LastModTime, current);
+ }
+
+ if (last_mod_time == -1)
+ last_mod_time = time (NULL);
+ if (last_mod_time == (time_t) -1)
+ g_warning ("Can't get current time");
+
+ *current = last_mod_time;
+}
+
+
+static void
+gb_custom_on_widget_realize (GtkWidget *widget, gpointer data)
+{
+ static GdkPixmap *background_pixmap = NULL;
+
+#if 0
+ g_print ("In gb_custom_on_widget_realize widget:%s (%p)\n",
+ gtk_widget_get_name (widget), widget);
+#endif
+
+ /* Create the background pixmap if it hasn't already been created. */
+ if (background_pixmap == NULL)
+ {
+ background_pixmap = gdk_pixmap_create_from_xpm_d (widget->window,
+ NULL, NULL,
+ custom_bg_xpm);
+ if (!background_pixmap)
+ {
+ g_warning ("Couldn't create background pixmap\n");
+ /* FIXME: Use a color instead? */
+ }
+ }
+
+ if (background_pixmap != NULL)
+ gdk_window_set_back_pixmap (widget->window, background_pixmap, FALSE);
+}
+
+
+/*
+ * Creates the components needed to edit the extra properties of this widget.
+ */
+static void
+gb_custom_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data)
+{
+ property_add_string (CreationFunction, _("Creation Function:"),
+ _("The function which creates the widget"));
+
+ property_add_string (String1, _("String1:"),
+ _("The first string argument to pass to the function"));
+ property_add_string (String2, _("String2:"),
+ _("The second string argument to pass to the function"));
+ property_add_int (Int1, _("Int1:"),
+ _("The first integer argument to pass to the function"));
+ property_add_int (Int2, _("Int2:"),
+ _("The second integer argument to pass to the function"));
+}
+
+
+
+/*
+ * 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_custom_get_properties (GtkWidget *widget, GbWidgetGetArgData * data)
+{
+ gchar *string1, *string2;
+
+ gb_widget_output_string (data, CreationFunction, gtk_object_get_data (GTK_OBJECT (widget), CreationFunction));
+
+ string1 = gtk_object_get_data (GTK_OBJECT (widget), String1);
+ string2 = gtk_object_get_data (GTK_OBJECT (widget), String2);
+
+ /* For empty strings output NULL (i.e. don't save in the XML). */
+ if (string1 && *string1 == '\0')
+ string1 = NULL;
+ if (string2 && *string2 == '\0')
+ string2 = NULL;
+
+ gb_widget_output_string (data, String1, string1);
+ gb_widget_output_string (data, String2, string2);
+
+ gb_widget_output_int (data, Int1, GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), Int1)));
+ gb_widget_output_int (data, Int2, GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), Int2)));
+
+ /* When saving we also save the last modification time. */
+ if (data->action == GB_SAVING)
+ {
+ time_t last_mod_time;
+
+ last_mod_time = gb_custom_get_last_mod_time (widget);
+ if (last_mod_time != 0)
+ {
+ save_date (data, LastModTime, last_mod_time);
+ }
+ }
+}
+
+
+
+/*
+ * 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_custom_set_properties (GtkWidget * widget, GbWidgetSetArgData * data)
+{
+ gchar *creation_function, *string1, *string2;
+ gint int1, int2;
+
+ creation_function = gb_widget_input_string (data, CreationFunction);
+ if (data->apply)
+ {
+ g_free (gtk_object_get_data (GTK_OBJECT (widget), CreationFunction));
+ gtk_object_set_data (GTK_OBJECT (widget), CreationFunction,
+ g_strdup (creation_function));
+
+ /* If we are applying the property, we set the last modification time. */
+ if (data->action == GB_APPLYING)
+ {
+ gb_custom_set_last_mod_time (widget, -1);
+ }
+ }
+
+ string1 = gb_widget_input_string (data, String1);
+ if (data->apply)
+ {
+ g_free (gtk_object_get_data (GTK_OBJECT (widget), String1));
+ gtk_object_set_data (GTK_OBJECT (widget), String1, g_strdup (string1));
+ }
+
+ string2 = gb_widget_input_string (data, String2);
+ if (data->apply)
+ {
+ g_free (gtk_object_get_data (GTK_OBJECT (widget), String2));
+ gtk_object_set_data (GTK_OBJECT (widget), String2, g_strdup (string2));
+ }
+
+ int1 = gb_widget_input_int (data, Int1);
+ if (data->apply)
+ gtk_object_set_data (GTK_OBJECT (widget), Int1, GINT_TO_POINTER (int1));
+
+ int2 = gb_widget_input_int (data, Int2);
+ if (data->apply)
+ gtk_object_set_data (GTK_OBJECT (widget), Int2, GINT_TO_POINTER (int2));
+
+ /* If we are loading, load the last modification time. */
+ if (data->action == GB_LOADING)
+ {
+ time_t last_mod_time;
+
+ last_mod_time = load_date (data, LastModTime);
+ if (data->apply)
+ {
+ gb_custom_set_last_mod_time (widget, last_mod_time);
+ }
+ }
+}
+
+
+
+/*
+ * Adds menu items to a context menu which is just about to appear!
+ * Add commands to aid in editing a Custom, with signals pointing to
+ * other functions in this file.
+ */
+/*
+static void
+gb_custom_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_custom_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data)
+{
+ gchar *creation_func, *string1, *string2;
+ gint int1, int2;
+ time_t last_mod_time;
+
+ creation_func = gtk_object_get_data (GTK_OBJECT (widget), CreationFunction);
+ string1 = gtk_object_get_data (GTK_OBJECT (widget), String1);
+ string2 = gtk_object_get_data (GTK_OBJECT (widget), String2);
+ int1 = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), Int1));
+ int2 = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (widget), Int2));
+
+ /* If no creation function has been set, we skip the widget. */
+ if (creation_func == NULL)
+ return;
+
+ creation_func = source_create_valid_identifier (creation_func);
+
+ /* Output "" if the strings are NULL, for consistency. */
+ if (string1 == NULL)
+ string1 = "";
+ if (string2 == NULL)
+ string2 = "";
+
+ if (string1)
+ string1 = g_strdup (source_make_string (string1, FALSE));
+ if (string2)
+ string2 = g_strdup (source_make_string (string2, FALSE));
+ /* Example output:
+ custom1 = create_custom1 ("custom1", "string1", "string2", 5, 10);
+ */
+ source_add (data, " %s = %s (%s, %s, %s, %i, %i);\n",
+ data->wname, creation_func,
+ source_make_string (data->real_wname, FALSE),
+ string1 ? string1 : "NULL", string2 ? string2 : "NULL",
+ int1, int2);
+ gb_widget_write_standard_source (widget, data);
+
+ /* Add declaration of creation function and empty function, just
+ like a signal handler. We need a last_modification_time property. */
+ last_mod_time = gb_custom_get_last_mod_time (widget);
+ if (data->creating_callback_files
+ || (last_mod_time > data->last_write_time))
+ {
+ source_add_to_buffer (data, GLADE_CALLBACK_DECLARATIONS,
+ "\nGtkWidget*\n"
+ "%s (gchar *widget_name, gchar *string1, gchar *string2,\n"
+ " gint int1, gint int2);\n",
+ creation_func);
+
+ source_add_to_buffer (data, GLADE_CALLBACK_SOURCE,
+ "\nGtkWidget*\n"
+ "%s (gchar *widget_name, gchar *string1, gchar *string2,\n"
+ " gint int1, gint int2)\n"
+ "{\n\n}\n\n",
+ creation_func);
+ }
+
+ g_free (creation_func);
+ g_free (string1);
+ g_free (string2);
+}
+
+
+static void
+gb_custom_destroy (GtkWidget * widget, GbWidgetDestroyData * data)
+{
+ /* We need to free the LastModTime. */
+ g_free (gtk_object_get_data (GTK_OBJECT (widget), LastModTime));
+}
+
+
+/*
+ * 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_custom_init ()
+{
+ /* Initialise the GTK type. We don't need this. */
+ /* gtk_custom_get_type(); */
+
+ /* Initialize the GbWidget structure */
+ gb_widget_init_struct(&gbwidget);
+
+ /* Fill in the pixmap struct & tooltip */
+ gbwidget.pixmap_struct = custom_xpm;
+ gbwidget.tooltip = _("Custom Widget");
+
+ /* Fill in any functions that this GbWidget has */
+ gbwidget.gb_widget_new = gb_custom_new;
+ gbwidget.gb_widget_create_properties = gb_custom_create_properties;
+ gbwidget.gb_widget_get_properties = gb_custom_get_properties;
+ gbwidget.gb_widget_set_properties = gb_custom_set_properties;
+ gbwidget.gb_widget_write_source = gb_custom_write_source;
+ gbwidget.gb_widget_destroy = gb_custom_destroy;
+/*
+ gbwidget.gb_widget_create_popup_menu = gb_custom_create_popup_menu;
+*/
+
+ return &gbwidget;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-15 12:51:15 +0000