98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "script-fu-console-editor.h"
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/* ConsoleEditor
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* An API that abstracts these GtkWidgets for editing text:
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* - GtkTextEntry is single line,
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* - GtkTextView is multiline.
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*
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* So that we can swap out or enhance widget without affecting main logic.
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*
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* Not a defined class but methods conform to naming and calling conventions.
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*
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* Is-a GtkWidget.
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*/
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/* FUTURE
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* GtkTextEntry => GtkTextView (multiline)
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*
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* Possibly: an editor that understands syntax and highlighting.
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*/
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GtkWidget *
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console_editor_new (void)
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{
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return gtk_entry_new ();
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}
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/* Set editor's text and position the cursor.
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* @position conforms to GtkEditable interface.
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*/
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void
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console_editor_set_text_and_position (GtkWidget *self,
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const gchar *text,
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gint position)
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{
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/* gtk_entry_set_text not allow NULL */
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if (text != NULL)
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gtk_entry_set_text (GTK_ENTRY (self), text);
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gtk_editable_set_position (GTK_EDITABLE (self), position);
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}
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void
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console_editor_clear (GtkWidget *self)
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{
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console_editor_set_text_and_position (self, "", -1);
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}
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const gchar *
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console_editor_get_text (GtkWidget *self)
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{
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return gtk_entry_get_text (GTK_ENTRY (self));
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}
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gboolean
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console_editor_is_empty (GtkWidget *self)
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{
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const gchar *str;
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if ((str = console_editor_get_text (self)) == NULL)
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return TRUE;
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while (*str)
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{
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if (*str != ' ' && *str != '\t' && *str != '\n')
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return FALSE;
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str ++;
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}
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return TRUE;
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}
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