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-rw-r--r--app/widgets/gimptexteditor.c368
1 files changed, 368 insertions, 0 deletions
diff --git a/app/widgets/gimptexteditor.c b/app/widgets/gimptexteditor.c
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+++ b/app/widgets/gimptexteditor.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpTextEditor
+ * Copyright (C) 2002-2003, 2008 Sven Neumann <sven@gimp.org>
+ *
+ * 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 3 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, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpdatafactory.h"
+#include "core/gimpmarshal.h"
+
+#include "text/gimptext.h"
+
+#include "gimphelp-ids.h"
+#include "gimpmenufactory.h"
+#include "gimptextbuffer.h"
+#include "gimptexteditor.h"
+#include "gimptextstyleeditor.h"
+#include "gimpuimanager.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ TEXT_CHANGED,
+ DIR_CHANGED,
+ LAST_SIGNAL
+};
+
+
+static void gimp_text_editor_finalize (GObject *object);
+
+static void gimp_text_editor_text_changed (GtkTextBuffer *buffer,
+ GimpTextEditor *editor);
+static void gimp_text_editor_font_toggled (GtkToggleButton *button,
+ GimpTextEditor *editor);
+
+
+G_DEFINE_TYPE (GimpTextEditor, gimp_text_editor, GIMP_TYPE_DIALOG)
+
+#define parent_class gimp_text_editor_parent_class
+
+static guint text_editor_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_text_editor_class_init (GimpTextEditorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = gimp_text_editor_finalize;
+
+ klass->text_changed = NULL;
+ klass->dir_changed = NULL;
+
+ text_editor_signals[TEXT_CHANGED] =
+ g_signal_new ("text-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpTextEditorClass, text_changed),
+ NULL, NULL,
+ gimp_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ text_editor_signals[DIR_CHANGED] =
+ g_signal_new ("dir-changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (GimpTextEditorClass, dir_changed),
+ NULL, NULL,
+ gimp_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+gimp_text_editor_init (GimpTextEditor *editor)
+{
+ editor->view = NULL;
+ editor->file_dialog = NULL;
+ editor->ui_manager = NULL;
+
+ switch (gtk_widget_get_default_direction ())
+ {
+ case GTK_TEXT_DIR_NONE:
+ case GTK_TEXT_DIR_LTR:
+ editor->base_dir = GIMP_TEXT_DIRECTION_LTR;
+ break;
+ case GTK_TEXT_DIR_RTL:
+ editor->base_dir = GIMP_TEXT_DIRECTION_RTL;
+ break;
+ }
+}
+
+static void
+gimp_text_editor_finalize (GObject *object)
+{
+ GimpTextEditor *editor = GIMP_TEXT_EDITOR (object);
+
+ g_clear_pointer (&editor->font_name, g_free);
+ g_clear_object (&editor->ui_manager);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+/* public functions */
+
+GtkWidget *
+gimp_text_editor_new (const gchar *title,
+ GtkWindow *parent,
+ Gimp *gimp,
+ GimpMenuFactory *menu_factory,
+ GimpText *text,
+ GimpTextBuffer *text_buffer,
+ gdouble xres,
+ gdouble yres)
+{
+ GimpTextEditor *editor;
+ GtkWidget *content_area;
+ GtkWidget *toolbar;
+ GtkWidget *style_editor;
+ GtkWidget *scrolled_window;
+
+ g_return_val_if_fail (title != NULL, NULL);
+ g_return_val_if_fail (parent == NULL || GTK_IS_WINDOW (parent), NULL);
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+ g_return_val_if_fail (GIMP_IS_MENU_FACTORY (menu_factory), NULL);
+ g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);
+ g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (text_buffer), NULL);
+
+ editor = g_object_new (GIMP_TYPE_TEXT_EDITOR,
+ "title", title,
+ "role", "gimp-text-editor",
+ "transient-for", parent,
+ "help-func", gimp_standard_help_func,
+ "help-id", GIMP_HELP_TEXT_EDITOR_DIALOG,
+ NULL);
+
+ gtk_dialog_add_button (GTK_DIALOG (editor),
+ _("_Close"), GTK_RESPONSE_CLOSE);
+
+ g_signal_connect (editor, "response",
+ G_CALLBACK (gtk_widget_destroy),
+ NULL);
+
+ g_signal_connect_object (text_buffer, "changed",
+ G_CALLBACK (gimp_text_editor_text_changed),
+ editor, 0);
+
+ editor->ui_manager = gimp_menu_factory_manager_new (menu_factory,
+ "<TextEditor>",
+ editor, FALSE);
+
+ content_area = gtk_dialog_get_content_area (GTK_DIALOG (editor));
+
+ toolbar = gimp_ui_manager_get_widget (editor->ui_manager,
+ "/text-editor-toolbar");
+
+ if (toolbar)
+ {
+ gtk_box_pack_start (GTK_BOX (content_area), toolbar, FALSE, FALSE, 0);
+ gtk_widget_show (toolbar);
+ }
+
+ style_editor = gimp_text_style_editor_new (gimp, text, text_buffer,
+ gimp_data_factory_get_container (gimp->font_factory),
+ xres, yres);
+ gtk_box_pack_start (GTK_BOX (content_area), style_editor, FALSE, FALSE, 0);
+ gtk_widget_show (style_editor);
+
+ scrolled_window = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_set_border_width (GTK_CONTAINER (scrolled_window), 2);
+ gtk_box_pack_start (GTK_BOX (content_area), scrolled_window, TRUE, TRUE, 0);
+ gtk_widget_show (scrolled_window);
+
+ editor->view = gtk_text_view_new_with_buffer (GTK_TEXT_BUFFER (text_buffer));
+ gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (editor->view),
+ GTK_WRAP_WORD_CHAR);
+ gtk_container_add (GTK_CONTAINER (scrolled_window), editor->view);
+ gtk_widget_show (editor->view);
+
+ switch (editor->base_dir)
+ {
+ case GIMP_TEXT_DIRECTION_LTR:
+ case GIMP_TEXT_DIRECTION_TTB_RTL:
+ case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+ case GIMP_TEXT_DIRECTION_TTB_LTR:
+ case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+ gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_LTR);
+ break;
+ case GIMP_TEXT_DIRECTION_RTL:
+ gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_RTL);
+ break;
+ }
+
+ gtk_widget_set_size_request (editor->view, 200, 64);
+
+ editor->font_toggle =
+ gtk_check_button_new_with_mnemonic (_("_Use selected font"));
+ gtk_box_pack_start (GTK_BOX (content_area), editor->font_toggle,
+ FALSE, FALSE, 0);
+ gtk_widget_show (editor->font_toggle);
+
+ g_signal_connect (editor->font_toggle, "toggled",
+ G_CALLBACK (gimp_text_editor_font_toggled),
+ editor);
+
+ gtk_widget_grab_focus (editor->view);
+
+ gimp_ui_manager_update (editor->ui_manager, editor);
+
+ return GTK_WIDGET (editor);
+}
+
+void
+gimp_text_editor_set_text (GimpTextEditor *editor,
+ const gchar *text,
+ gint len)
+{
+ GtkTextBuffer *buffer;
+
+ g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor));
+ g_return_if_fail (text != NULL || len == 0);
+
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (editor->view));
+
+ if (text)
+ gtk_text_buffer_set_text (buffer, text, len);
+ else
+ gtk_text_buffer_set_text (buffer, "", 0);
+}
+
+gchar *
+gimp_text_editor_get_text (GimpTextEditor *editor)
+{
+ GtkTextBuffer *buffer;
+
+ g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), NULL);
+
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (editor->view));
+
+ return gimp_text_buffer_get_text (GIMP_TEXT_BUFFER (buffer));
+}
+
+void
+gimp_text_editor_set_direction (GimpTextEditor *editor,
+ GimpTextDirection base_dir)
+{
+ g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor));
+
+ if (editor->base_dir == base_dir)
+ return;
+
+ editor->base_dir = base_dir;
+
+ if (editor->view)
+ {
+ switch (editor->base_dir)
+ {
+ case GIMP_TEXT_DIRECTION_LTR:
+ case GIMP_TEXT_DIRECTION_TTB_RTL:
+ case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+ case GIMP_TEXT_DIRECTION_TTB_LTR:
+ case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+ gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_LTR);
+ break;
+ case GIMP_TEXT_DIRECTION_RTL:
+ gtk_widget_set_direction (editor->view, GTK_TEXT_DIR_RTL);
+ break;
+ }
+ }
+
+ gimp_ui_manager_update (editor->ui_manager, editor);
+
+ g_signal_emit (editor, text_editor_signals[DIR_CHANGED], 0);
+}
+
+GimpTextDirection
+gimp_text_editor_get_direction (GimpTextEditor *editor)
+{
+ g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), GIMP_TEXT_DIRECTION_LTR);
+
+ return editor->base_dir;
+}
+
+void
+gimp_text_editor_set_font_name (GimpTextEditor *editor,
+ const gchar *font_name)
+{
+ g_return_if_fail (GIMP_IS_TEXT_EDITOR (editor));
+
+ if (editor->font_name)
+ g_free (editor->font_name);
+
+ editor->font_name = g_strdup (font_name);
+
+ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (editor->font_toggle)))
+ {
+ PangoFontDescription *font_desc = NULL;
+
+ if (font_name)
+ font_desc = pango_font_description_from_string (font_name);
+
+ gtk_widget_modify_font (editor->view, font_desc);
+
+ if (font_desc)
+ pango_font_description_free (font_desc);
+ }
+}
+
+const gchar *
+gimp_text_editor_get_font_name (GimpTextEditor *editor)
+{
+ g_return_val_if_fail (GIMP_IS_TEXT_EDITOR (editor), NULL);
+
+ return editor->font_name;
+}
+
+
+/* private functions */
+
+static void
+gimp_text_editor_text_changed (GtkTextBuffer *buffer,
+ GimpTextEditor *editor)
+{
+ g_signal_emit (editor, text_editor_signals[TEXT_CHANGED], 0);
+}
+
+static void
+gimp_text_editor_font_toggled (GtkToggleButton *button,
+ GimpTextEditor *editor)
+{
+ PangoFontDescription *font_desc = NULL;
+
+ if (gtk_toggle_button_get_active (button) && editor->font_name)
+ font_desc = pango_font_description_from_string (editor->font_name);
+
+ gtk_widget_modify_font (editor->view, font_desc);
+
+ if (font_desc)
+ pango_font_description_free (font_desc);
+}