diff options
Diffstat (limited to 'tools/glade/glade/gbwidgets/gbcombobox.c')
-rw-r--r-- | tools/glade/glade/gbwidgets/gbcombobox.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/tools/glade/glade/gbwidgets/gbcombobox.c b/tools/glade/glade/gbwidgets/gbcombobox.c new file mode 100644 index 00000000..d290822b --- /dev/null +++ b/tools/glade/glade/gbwidgets/gbcombobox.c @@ -0,0 +1,303 @@ +/* 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 <config.h> + +#include <gtk/gtk.h> +#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; +} + |