339 lines
11 KiB
C
339 lines
11 KiB
C
#include <stdlib.h>
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#include <gmodule.h>
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#include <clutter/clutter.h>
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gint
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test_text_field_main (gint argc,
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gchar **argv);
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const char *
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test_text_field_describe (void);
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static void
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on_entry_activate (ClutterText *text,
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gpointer data)
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{
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g_print ("Text activated: %s (cursor: %d, selection at: %d)\n",
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clutter_text_get_text (text),
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clutter_text_get_cursor_position (text),
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clutter_text_get_selection_bound (text));
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}
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#define is_hex_digit(c) (((c) >= '0' && (c) <= '9') || \
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((c) >= 'a' && (c) <= 'f') || \
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((c) >= 'A' && (c) <= 'F'))
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#define to_hex_digit(c) (((c) <= '9') ? (c) - '0' : ((c) & 7) + 9)
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static gboolean
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on_captured_event (ClutterText *text,
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ClutterEvent *event,
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gpointer dummy G_GNUC_UNUSED)
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{
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gboolean is_unicode_mode = FALSE;
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gunichar c;
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guint keyval;
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if (event->type != CLUTTER_KEY_PRESS)
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return FALSE;
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is_unicode_mode = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (text),
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"unicode-mode"));
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c = clutter_event_get_key_unicode (event);
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keyval = clutter_event_get_key_symbol (event);
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if (keyval == CLUTTER_KEY_U)
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{
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if (is_unicode_mode)
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{
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GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
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clutter_text_set_preedit_string (text, NULL, NULL, 0);
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g_object_set_data (G_OBJECT (text), "unicode-mode",
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GINT_TO_POINTER (FALSE));
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g_object_set_data (G_OBJECT (text), "unicode-str",
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NULL);
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g_string_free (str, TRUE);
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return FALSE;
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}
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if (clutter_event_has_control_modifier (event))
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{
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PangoAttrList *attrs;
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PangoAttribute *a;
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GString *str = g_string_sized_new (5);
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g_string_append (str, "u");
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g_object_set_data (G_OBJECT (text),
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"unicode-mode",
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GINT_TO_POINTER (TRUE));
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g_object_set_data (G_OBJECT (text),
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"unicode-str",
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str);
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attrs = pango_attr_list_new ();
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a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
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a->start_index = 0;
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a->end_index = str->len;
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pango_attr_list_insert (attrs, a);
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clutter_text_set_preedit_string (text, str->str, attrs, str->len);
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pango_attr_list_unref (attrs);
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return TRUE;
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}
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return FALSE;
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}
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else if (is_unicode_mode && is_hex_digit (c))
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{
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GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
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PangoAttrList *attrs;
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PangoAttribute *a;
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gchar buf[8];
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gsize len;
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len = g_unichar_to_utf8 (c, buf);
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buf[len] = '\0';
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g_string_append (str, buf);
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g_print ("added '%s' to '%s' (len:%d)\n",
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buf,
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str->str,
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(int) str->len);
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attrs = pango_attr_list_new ();
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a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
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a->start_index = 0;
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a->end_index = str->len;
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pango_attr_list_insert (attrs, a);
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clutter_text_set_preedit_string (text, str->str, attrs, str->len);
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pango_attr_list_unref (attrs);
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return TRUE;
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}
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else if (is_unicode_mode && (keyval == CLUTTER_KEY_BackSpace))
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{
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GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
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PangoAttrList *attrs;
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PangoAttribute *a;
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g_string_truncate (str, str->len - 1);
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attrs = pango_attr_list_new ();
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a = pango_attr_underline_new (PANGO_UNDERLINE_SINGLE);
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a->start_index = 0;
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a->end_index = str->len;
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pango_attr_list_insert (attrs, a);
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clutter_text_set_preedit_string (text, str->str, attrs, str->len);
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pango_attr_list_unref (attrs);
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return TRUE;
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}
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else if (is_unicode_mode &&
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(keyval == CLUTTER_KEY_Return ||
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keyval == CLUTTER_KEY_KP_Enter ||
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keyval == CLUTTER_KEY_ISO_Enter ||
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keyval == CLUTTER_KEY_KP_Space))
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{
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GString *str = g_object_get_data (G_OBJECT (text), "unicode-str");
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const gchar *contents = clutter_text_get_text (text);
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gunichar uchar = 0;
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gchar ch;
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gint i;
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clutter_text_set_preedit_string (text, NULL, NULL, 0);
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g_object_set_data (G_OBJECT (text), "unicode-mode",
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GINT_TO_POINTER (FALSE));
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g_object_set_data (G_OBJECT (text), "unicode-str",
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NULL);
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for (i = 0; i < str->len; i++)
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{
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ch = str->str[i];
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if (is_hex_digit (ch))
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uchar += ((gunichar) to_hex_digit (ch) << ((4 - i) * 4));
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}
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g_assert (g_unichar_validate (uchar));
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g_string_overwrite (str, 0, contents);
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g_string_insert_unichar (str,
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clutter_text_get_cursor_position (text),
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uchar);
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i = clutter_text_get_cursor_position (text);
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clutter_text_set_text (text, str->str);
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if (i >= 0)
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i += 1;
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else
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i = -1;
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clutter_text_set_cursor_position (text, i);
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clutter_text_set_selection_bound (text, i);
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g_string_free (str, TRUE);
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return TRUE;
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}
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else
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return FALSE;
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}
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static ClutterActor *
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create_label (const ClutterColor *color,
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const gchar *text)
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{
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ClutterActor *retval = clutter_text_new ();
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clutter_text_set_color (CLUTTER_TEXT (retval), color);
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clutter_text_set_markup (CLUTTER_TEXT (retval), text);
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clutter_text_set_editable (CLUTTER_TEXT (retval), FALSE);
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clutter_text_set_selectable (CLUTTER_TEXT (retval), FALSE);
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clutter_text_set_single_line_mode (CLUTTER_TEXT (retval), TRUE);
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clutter_text_set_ellipsize (CLUTTER_TEXT (retval), PANGO_ELLIPSIZE_END);
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return retval;
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}
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static ClutterActor *
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create_entry (const ClutterColor *color,
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const gchar *text,
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PangoAttrList *attrs,
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gunichar password_char,
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gint max_length)
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{
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ClutterActor *retval = clutter_text_new_full (NULL, text, color);
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ClutterColor selection = { 0, };
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ClutterColor selected_text = { 0x00, 0x00, 0xff, 0xff };
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clutter_actor_set_reactive (retval, TRUE);
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clutter_color_darken (color, &selection);
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clutter_text_set_editable (CLUTTER_TEXT (retval), TRUE);
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clutter_text_set_selectable (CLUTTER_TEXT (retval), TRUE);
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clutter_text_set_activatable (CLUTTER_TEXT (retval), TRUE);
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clutter_text_set_single_line_mode (CLUTTER_TEXT (retval), TRUE);
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clutter_text_set_password_char (CLUTTER_TEXT (retval), password_char);
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clutter_text_set_cursor_color (CLUTTER_TEXT (retval), &selection);
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clutter_text_set_max_length (CLUTTER_TEXT (retval), max_length);
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clutter_text_set_selected_text_color (CLUTTER_TEXT (retval), &selected_text);
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clutter_actor_set_background_color (retval, CLUTTER_COLOR_LightGray);
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if (attrs)
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clutter_text_set_attributes (CLUTTER_TEXT (retval), attrs);
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g_signal_connect (retval, "activate",
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G_CALLBACK (on_entry_activate),
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NULL);
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g_signal_connect (retval, "captured-event",
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G_CALLBACK (on_captured_event),
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NULL);
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return retval;
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}
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G_MODULE_EXPORT gint
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test_text_field_main (gint argc,
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gchar **argv)
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{
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ClutterActor *stage;
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ClutterActor *box, *label, *entry;
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ClutterLayoutManager *table;
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PangoAttrList *entry_attrs;
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if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
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return EXIT_FAILURE;
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stage = clutter_stage_new ();
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clutter_stage_set_title (CLUTTER_STAGE (stage), "Text Fields");
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clutter_actor_set_background_color (stage, CLUTTER_COLOR_Black);
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
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table = clutter_table_layout_new ();
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clutter_table_layout_set_column_spacing (CLUTTER_TABLE_LAYOUT (table), 6);
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clutter_table_layout_set_row_spacing (CLUTTER_TABLE_LAYOUT (table), 6);
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box = clutter_actor_new ();
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clutter_actor_set_layout_manager (box, table);
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clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_WIDTH, -24.0));
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clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_HEIGHT, -24.0));
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clutter_actor_set_position (box, 12, 12);
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clutter_actor_add_child (stage, box);
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label = create_label (CLUTTER_COLOR_White, "<b>Input field:</b>");
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g_object_set (label, "min-width", 150.0, NULL);
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clutter_actor_add_child (box, label);
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clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), label,
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"row", 0,
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"column", 0,
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"x-expand", FALSE,
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"y-expand", FALSE,
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NULL);
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entry_attrs = pango_attr_list_new ();
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pango_attr_list_insert (entry_attrs, pango_attr_underline_new (PANGO_UNDERLINE_ERROR));
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pango_attr_list_insert (entry_attrs, pango_attr_underline_color_new (65535, 0, 0));
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entry = create_entry (CLUTTER_COLOR_Black, "somme misspeeled textt", entry_attrs, 0, 0);
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clutter_actor_add_child (box, entry);
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clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), entry,
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"row", 0,
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"column", 1,
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"x-expand", TRUE,
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"x-fill", TRUE,
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"y-expand", FALSE,
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NULL);
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clutter_actor_grab_key_focus (entry);
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label = create_label (CLUTTER_COLOR_White, "<b>A very long password field:</b>");
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clutter_actor_add_child (box, label);
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clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), label,
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"row", 1,
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"column", 0,
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"x-expand", FALSE,
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"y-expand", FALSE,
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NULL);
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entry = create_entry (CLUTTER_COLOR_Black, "password", NULL, '*', 8);
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clutter_actor_add_child (box, entry);
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clutter_layout_manager_child_set (table, CLUTTER_CONTAINER (box), entry,
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"row", 1,
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"column", 1,
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"x-expand", TRUE,
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"x-fill", TRUE,
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"y-expand", FALSE,
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NULL);
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clutter_actor_show (stage);
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clutter_main ();
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return EXIT_SUCCESS;
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}
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G_MODULE_EXPORT const char *
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test_text_field_describe (void)
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{
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return
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"Text actor single-line and password mode support\n"
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"\n"
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"This test checks the :single-line-mode and :password-char properties of\n"
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"the ClutterText actor, plus the password hint feature and the :max-length\n"
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"property.";
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}
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