/* Gtk+ User Interface Builder * Copyright (C) 1999-2002 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 #include "../gb.h" /* Include the 21x21 icon pixmap for this widget, to be used in the palette */ #include "../graphics/combobox.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; /* This isn't a real property, but since we can't set up a proper tree model we just support simple text like we did for GtkCombo. */ static gchar *Items = "GtkComboBox::items"; static gchar *AddTearoffs = "GtkComboBox::add_tearoffs"; #if 0 /* I don't think this is useful for GtkComboBox itself. */ static gchar *HasFrame = "GtkComboBox::has_frame"; #endif static gchar *FocusOnClick = "GtkComboBox::focus_on_click"; /****** * 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 GtkComboBox, 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. */ static GtkWidget* gb_combo_box_new (GbWidgetNewData *data) { GtkWidget *new_widget; new_widget = gtk_combo_box_new_text (); /* Force the combobox to create the child widgets, so that we can connect to all the "event" signals so the user can select the widget. */ gtk_widget_ensure_style (new_widget); return new_widget; } /* * Creates the components needed to edit the extra properties of this widget. */ static void gb_combo_box_create_properties (GtkWidget * widget, GbWidgetCreateArgData * data) { property_add_text (Items, _("Items:"), _("The items in the combo list, one per line"), 5); property_add_bool (AddTearoffs, _("Add Tearoffs:"), _("Whether dropdowns should have a tearoff menu item")); property_add_bool (FocusOnClick, _("Focus On Click:"), _("Whether the combo box grabs focus when it is clicked")); } /* * 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_combo_box_get_properties (GtkWidget *widget, GbWidgetGetArgData * data) { gchar *items; gboolean add_tearoffs, focus_on_click; items = gtk_object_get_data (GTK_OBJECT (widget), Items); gb_widget_output_translatable_text_in_lines (data, Items, items); g_object_get (G_OBJECT (widget), "add_tearoffs", &add_tearoffs, "focus_on_click", &focus_on_click, NULL); gb_widget_output_bool (data, AddTearoffs, add_tearoffs); gb_widget_output_bool (data, FocusOnClick, focus_on_click); } /* * 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_combo_box_set_properties (GtkWidget * widget, GbWidgetSetArgData * data) { gchar *items; gboolean add_tearoffs, focus_on_click; items = gb_widget_input_text (data, Items); if (data->apply) { GtkTreeModel *model; gchar *pos = items; gchar *items_end = &items[strlen (items)]; /* Save a copy so it is easy to get out later. */ gtk_object_set_data_full (GTK_OBJECT (widget), Items, g_strdup (items), g_free); /* Clear the list. */ model = gtk_combo_box_get_model (GTK_COMBO_BOX (widget)); gtk_list_store_clear (GTK_LIST_STORE (model)); /* Now add the items one at a time. */ while (pos < items_end) { gchar *item_end = strchr (pos, '\n'); if (item_end == NULL) item_end = items_end; *item_end = '\0'; gtk_combo_box_append_text (GTK_COMBO_BOX (widget), pos); if (item_end != items_end) *item_end = '\n'; pos = item_end + 1; } } if (data->action == GB_APPLYING) g_free (items); add_tearoffs = gb_widget_input_bool (data, AddTearoffs); if (data->apply) gtk_combo_box_set_add_tearoffs (GTK_COMBO_BOX (widget), add_tearoffs); focus_on_click = gb_widget_input_bool (data, FocusOnClick); if (data->apply) gtk_combo_box_set_focus_on_click (GTK_COMBO_BOX (widget), focus_on_click); } /* * Adds menu items to a context menu which is just about to appear! * Add commands to aid in editing a GtkComboBox, with signals pointing to * other functions in this file. */ /* static void gb_combo_box_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_combo_box_write_source (GtkWidget * widget, GbWidgetWriteSourceData * data) { gchar *items, *pos, *items_end; gboolean translatable, context; gchar *comments; gboolean add_tearoffs, focus_on_click; items = pos = gtk_object_get_data (GTK_OBJECT (widget), Items); glade_util_get_translation_properties (widget, Items, &translatable, &comments, &context); if (data->create_widget) { /* If any items have been entered, we create a simple text combo, otherwise we create a bare combo without a model, so the user can setup the model in their code. */ /* NOTE: Creating it without a model causes problems so we always create a model now. Users can still set the model to something else. */ #if 0 if (items && items[0]) { source_add (data, " %s = gtk_combo_box_new_text ();\n", data->wname); } else { source_add (data, " %s = gtk_combo_box_new ();\n", data->wname); } #endif source_add (data, " %s = gtk_combo_box_text_new ();\n", data->wname); } gb_widget_write_standard_source (widget, data); if (items && items[0]) { items_end = &items[strlen (items)]; while (pos < items_end) { gchar *item_end = strchr (pos, '\n'); if (item_end == NULL) item_end = items_end; *item_end = '\0'; source_add (data, " gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (%s), %s);\n", data->wname, source_make_string (pos, data->use_gettext && translatable)); if (item_end != items_end) *item_end = '\n'; pos = item_end + 1; } } g_object_get (G_OBJECT (widget), "add_tearoffs", &add_tearoffs, "focus_on_click", &focus_on_click, NULL); if (add_tearoffs) { source_add (data, " gtk_combo_box_set_add_tearoffs (GTK_COMBO_BOX (%s), TRUE);\n", data->wname); } if (!focus_on_click) { source_add (data, " gtk_combo_box_set_focus_on_click (GTK_COMBO_BOX (%s), FALSE);\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_combo_box_init () { /* Initialise the GTK type */ volatile GtkType type; type = gtk_combo_box_get_type(); /* Initialize the GbWidget structure */ gb_widget_init_struct(&gbwidget); /* Fill in the pixmap struct & tooltip */ gbwidget.pixmap_struct = combobox_xpm; gbwidget.tooltip = _("Combo Box"); /* Fill in any functions that this GbWidget has */ gbwidget.gb_widget_new = gb_combo_box_new; gbwidget.gb_widget_create_properties = gb_combo_box_create_properties; gbwidget.gb_widget_get_properties = gb_combo_box_get_properties; gbwidget.gb_widget_set_properties = gb_combo_box_set_properties; gbwidget.gb_widget_write_source = gb_combo_box_write_source; /* gbwidget.gb_widget_create_popup_menu = gb_combo_box_create_popup_menu; */ return &gbwidget; }