--- /dev/null
+/*
+ * (GLABELS) Label and Business Card Creation program for GNOME
+ *
+ * wdgt_image_select.c: image selection widget module
+ *
+ * Copyright (C) 2001-2002 Jim Evins <evins@snaught.com>.
+ *
+ * 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 "wdgt-image-select.h"
+#include "merge.h"
+#include "marshal.h"
+
+#include "debug.h"
+
+/*===========================================*/
+/* Private types */
+/*===========================================*/
+
+enum {
+ CHANGED,
+ LAST_SIGNAL
+};
+
+typedef void (*glWdgtImageSelectSignal) (GObject * object, gpointer data);
+
+/*===========================================*/
+/* Private globals */
+/*===========================================*/
+
+static glHigVBoxClass *parent_class;
+
+static gint wdgt_image_select_signals[LAST_SIGNAL] = { 0 };
+
+/* Save state of image file entry */
+static gchar *image_path = NULL;
+
+/*===========================================*/
+/* Local function prototypes */
+/*===========================================*/
+
+static void gl_wdgt_image_select_class_init (glWdgtImageSelectClass *class);
+static void gl_wdgt_image_select_instance_init (glWdgtImageSelect *image_select);
+static void gl_wdgt_image_select_finalize (GObject *object);
+static void gl_wdgt_image_select_construct (glWdgtImageSelect *image_select,
+ glMerge *merge,
+ glTextNode *text_node);
+
+
+static void changed_cb (glWdgtImageSelect *image_select);
+
+static void radio_toggled_cb (GtkToggleButton *togglebutton,
+ glWdgtImageSelect *image_select);
+
+\f
+/****************************************************************************/
+/* Boilerplate Object stuff. */
+/****************************************************************************/
+guint
+gl_wdgt_image_select_get_type (void)
+{
+ static guint wdgt_image_select_type = 0;
+
+ if (!wdgt_image_select_type) {
+ GTypeInfo wdgt_image_select_info = {
+ sizeof (glWdgtImageSelectClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gl_wdgt_image_select_class_init,
+ NULL,
+ NULL,
+ sizeof (glWdgtImageSelect),
+ 0,
+ (GInstanceInitFunc) gl_wdgt_image_select_instance_init,
+ };
+
+ wdgt_image_select_type =
+ g_type_register_static (gl_hig_vbox_get_type (),
+ "glWdgtImageSelect",
+ &wdgt_image_select_info, 0);
+ }
+
+ return wdgt_image_select_type;
+}
+
+static void
+gl_wdgt_image_select_class_init (glWdgtImageSelectClass *class)
+{
+ GObjectClass *object_class;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ object_class = (GObjectClass *) class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ object_class->finalize = gl_wdgt_image_select_finalize;
+
+ wdgt_image_select_signals[CHANGED] =
+ g_signal_new ("changed",
+ G_OBJECT_CLASS_TYPE(object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (glWdgtImageSelectClass, changed),
+ NULL, NULL,
+ gl_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+static void
+gl_wdgt_image_select_instance_init (glWdgtImageSelect *image_select)
+{
+ gl_debug (DEBUG_WDGT, "START");
+
+ image_select->file_radio = NULL;
+ image_select->file_entry = NULL;
+
+ image_select->key_radio = NULL;
+ image_select->key_combo = NULL;
+ image_select->key_entry = NULL;
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+static void
+gl_wdgt_image_select_finalize (GObject *object)
+{
+ glWdgtImageSelect *image_select;
+ glWdgtImageSelectClass *class;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GL_IS_WDGT_IMAGE_SELECT (object));
+
+ image_select = GL_WDGT_IMAGE_SELECT (object);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+/****************************************************************************/
+/* New widget. */
+/****************************************************************************/
+GtkWidget *
+gl_wdgt_image_select_new (glMerge *merge, glTextNode *text_node)
+{
+ glWdgtImageSelect *image_select;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ image_select = g_object_new (gl_wdgt_image_select_get_type (), NULL);
+
+ gl_wdgt_image_select_construct (image_select, merge, text_node);
+
+ gl_debug (DEBUG_WDGT, "END");
+
+ return GTK_WIDGET (image_select);
+}
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. Construct composite widget. */
+/*--------------------------------------------------------------------------*/
+static void
+gl_wdgt_image_select_construct (glWdgtImageSelect *image_select,
+ glMerge *merge,
+ glTextNode *text_node)
+{
+ GtkWidget *wvbox, *whbox;
+ GSList *radio_group = NULL;
+ GList *keys;
+ gchar *filename;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ wvbox = GTK_WIDGET (image_select);
+
+ /* ---- File line ---- */
+ whbox = gl_hig_hbox_new ();
+ gl_hig_vbox_add_widget (GL_HIG_VBOX(wvbox), whbox);
+
+ /* File radio */
+ image_select->file_radio = gtk_radio_button_new_with_label (radio_group,
+ _
+ ("File:"));
+ radio_group =
+ gtk_radio_button_get_group (GTK_RADIO_BUTTON (image_select->file_radio));
+ g_signal_connect (G_OBJECT (image_select->file_radio), "toggled",
+ G_CALLBACK (radio_toggled_cb),
+ G_OBJECT (image_select));
+ gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), image_select->file_radio);
+
+ /* File entry widget */
+ image_select->file_entry =
+ gnome_pixmap_entry_new ("image", "Load image", TRUE);
+ gnome_pixmap_entry_set_preview_size (GNOME_PIXMAP_ENTRY
+ (image_select->file_entry),
+ 128, 128);
+
+ /* Set default path for image entry */
+ filename = text_node->field_flag? NULL : text_node->data;
+ if (filename != NULL) {
+ /* Set default path to the directory containing image. */
+ if (image_path != NULL)
+ g_free (image_path);
+ image_path = g_path_get_dirname (filename);
+ if (image_path != NULL) {
+ image_path = g_strconcat (image_path, "/", NULL);
+ }
+ } else if (image_path == NULL) {
+ /* First time, set it to our CWD. */
+ image_path = g_get_current_dir ();
+ }
+ /* Otherwise, leave it in the last directory that we got an image. */
+ gnome_pixmap_entry_set_pixmap_subdir (GNOME_PIXMAP_ENTRY(image_select->file_entry),
+ image_path);
+ g_signal_connect ( G_OBJECT(gnome_file_entry_gtk_entry
+ (GNOME_FILE_ENTRY (image_select->file_entry))),
+ "changed", G_CALLBACK (changed_cb), image_select);
+ gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), image_select->file_entry);
+
+
+ /* ---- Key line ---- */
+ whbox = gl_hig_hbox_new ();
+ gl_hig_vbox_add_widget (GL_HIG_VBOX(wvbox), whbox);
+
+ /* Key radio */
+ image_select->key_radio = gtk_radio_button_new_with_label (radio_group,
+ _("Key:"));
+ g_signal_connect (G_OBJECT (image_select->key_radio), "toggled",
+ G_CALLBACK (radio_toggled_cb),
+ G_OBJECT (image_select));
+ gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), image_select->key_radio);
+
+ /* Key entry widget */
+ image_select->key_combo = gtk_combo_new ();
+ keys = gl_merge_get_key_list (merge);
+ if (keys != NULL)
+ gtk_combo_set_popdown_strings (GTK_COMBO (image_select->key_combo),
+ keys);
+ gl_merge_free_key_list (&keys);
+ image_select->key_entry = GTK_COMBO (image_select->key_combo)->entry;
+ gtk_entry_set_editable (GTK_ENTRY (image_select->key_entry), FALSE);
+ gtk_widget_set_size_request (image_select->key_combo, 200, -1);
+ g_signal_connect_swapped (G_OBJECT (image_select->key_entry), "changed",
+ G_CALLBACK (changed_cb),
+ G_OBJECT (image_select));
+ gl_hig_hbox_add_widget (GL_HIG_HBOX(whbox), image_select->key_combo);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. Callback for when any control in the widget has changed. */
+/*--------------------------------------------------------------------------*/
+static void
+changed_cb (glWdgtImageSelect *image_select)
+{
+ gl_debug (DEBUG_WDGT, "START");
+
+ /* Emit our "changed" signal */
+ g_signal_emit (G_OBJECT (image_select), wdgt_image_select_signals[CHANGED], 0);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+/*--------------------------------------------------------------------------*/
+/* PRIVATE. Callback to handle toggling of radio buttons */
+/*--------------------------------------------------------------------------*/
+static void
+radio_toggled_cb (GtkToggleButton *togglebutton,
+ glWdgtImageSelect *image_select)
+{
+ gl_debug (DEBUG_WDGT, "START");
+
+ if (gtk_toggle_button_get_active
+ (GTK_TOGGLE_BUTTON (image_select->file_radio))) {
+ gtk_widget_set_sensitive (image_select->file_entry, TRUE);
+ gtk_widget_set_sensitive (image_select->key_combo, FALSE);
+ } else {
+ gtk_widget_set_sensitive (image_select->file_entry, FALSE);
+ gtk_widget_set_sensitive (image_select->key_combo, TRUE);
+ }
+
+ /* Emit our "changed" signal */
+ g_signal_emit (G_OBJECT (image_select), wdgt_image_select_signals[CHANGED], 0);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+/****************************************************************************/
+/* Set new field definitions. */
+/****************************************************************************/
+void
+gl_wdgt_image_select_set_field_defs (glWdgtImageSelect *image_select,
+ glMerge *merge)
+{
+ GList *keys;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ keys = gl_merge_get_key_list (merge);
+ if ( keys != NULL ) {
+ gtk_combo_set_popdown_strings (GTK_COMBO (image_select->key_combo),
+ keys);
+ gl_merge_free_key_list (&keys);
+ } else {
+ keys = g_list_append (keys, "");
+ gtk_combo_set_popdown_strings (GTK_COMBO (image_select->key_combo),
+ keys);
+ g_list_free (keys);
+ }
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+
+/****************************************************************************/
+/* Get widget data. */
+/****************************************************************************/
+glTextNode *
+gl_wdgt_image_select_get_data (glWdgtImageSelect *image_select)
+{
+ glTextNode *text_node;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ text_node = g_new0(glTextNode,1);
+
+ if (gtk_toggle_button_get_active
+ (GTK_TOGGLE_BUTTON (image_select->file_radio))) {
+ text_node->field_flag = FALSE;
+ text_node->data =
+ gnome_pixmap_entry_get_filename (GNOME_PIXMAP_ENTRY(image_select->file_entry));
+ } else {
+ text_node->field_flag = TRUE;
+ text_node->data =
+ gtk_editable_get_chars (GTK_EDITABLE (image_select->key_entry),
+ 0, -1);
+ gl_debug (DEBUG_WDGT, "text_node: field_flag=%d, data=%s",
+ text_node->field_flag, text_node->data);
+ }
+
+ gl_debug (DEBUG_WDGT, "END");
+
+ return text_node;
+}
+
+/****************************************************************************/
+/* Set widget data. */
+/****************************************************************************/
+void
+gl_wdgt_image_select_set_data (glWdgtImageSelect *image_select,
+ gboolean merge_flag,
+ glTextNode *text_node)
+{
+ gint pos;
+
+ gl_debug (DEBUG_WDGT, "START");
+
+ gtk_widget_set_sensitive (image_select->key_radio, merge_flag);
+
+ if (!text_node->field_flag) {
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
+ (image_select->file_radio), TRUE);
+
+ gtk_widget_set_sensitive (image_select->file_entry, TRUE);
+ gtk_widget_set_sensitive (image_select->key_combo, FALSE);
+
+ gnome_file_entry_set_filename (GNOME_FILE_ENTRY(image_select->file_entry),
+ text_node->data);
+ } else {
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON
+ (image_select->key_radio), TRUE);
+
+ gtk_widget_set_sensitive (image_select->file_entry, FALSE);
+ gtk_widget_set_sensitive (image_select->key_combo, TRUE);
+
+ g_signal_handlers_block_by_func (G_OBJECT
+ (image_select->key_entry),
+ G_CALLBACK (changed_cb),
+ image_select);
+ gtk_editable_delete_text (GTK_EDITABLE (image_select->key_entry), 0,
+ -1);
+ g_signal_handlers_unblock_by_func (G_OBJECT
+ (image_select->key_entry),
+ G_CALLBACK
+ (changed_cb), image_select);
+
+ pos = 0;
+ gtk_editable_insert_text (GTK_EDITABLE (image_select->key_entry),
+ text_node->data,
+ strlen (text_node->data),
+ &pos);
+ }
+
+ gl_debug (DEBUG_WDGT, "END");
+}
+
+/****************************************************************************/
+/* Set size group for internal labels */
+/****************************************************************************/
+void
+gl_wdgt_image_select_set_label_size_group (glWdgtImageSelect *image_select,
+ GtkSizeGroup *label_size_group)
+{
+ gl_debug (DEBUG_WDGT, "START");
+
+ gtk_size_group_add_widget (label_size_group, image_select->file_radio);
+ gtk_size_group_add_widget (label_size_group, image_select->key_radio);
+
+ gl_debug (DEBUG_WDGT, "END");
+}
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