Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2388 insertions, 0 deletions

diff --git a/app/tools/gimptexttool.c b/app/tools/gimptexttool.c
new file mode 100644
index 0000000..45023ab
--- /dev/null
+++ b/app/tools/gimptexttool.c
@@ -0,0 +1,2388 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpTextTool
+ * Copyright (C) 2002-2010  Sven Neumann <sven@gimp.org>
+ *                          Daniel Eddeland <danedde@svn.gnome.org>
+ *                          Michael Natterer <mitch@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 "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpasyncset.h"
+#include "core/gimpcontext.h"
+#include "core/gimpdatafactory.h"
+#include "core/gimperror.h"
+#include "core/gimpimage.h"
+#include "core/gimp-palettes.h"
+#include "core/gimpimage-pick-item.h"
+#include "core/gimpimage-undo.h"
+#include "core/gimpimage-undo-push.h"
+#include "core/gimplayer-floating-selection.h"
+#include "core/gimpmarshal.h"
+#include "core/gimptoolinfo.h"
+#include "core/gimpundostack.h"
+
+#include "text/gimptext.h"
+#include "text/gimptext-vectors.h"
+#include "text/gimptextlayer.h"
+#include "text/gimptextlayout.h"
+#include "text/gimptextundo.h"
+
+#include "vectors/gimpstroke.h"
+#include "vectors/gimpvectors.h"
+#include "vectors/gimpvectors-warp.h"
+
+#include "widgets/gimpdialogfactory.h"
+#include "widgets/gimpdockcontainer.h"
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpmenufactory.h"
+#include "widgets/gimptextbuffer.h"
+#include "widgets/gimpuimanager.h"
+#include "widgets/gimpviewabledialog.h"
+
+#include "display/gimpcanvasgroup.h"
+#include "display/gimpdisplay.h"
+#include "display/gimpdisplayshell.h"
+#include "display/gimptoolrectangle.h"
+
+#include "gimptextoptions.h"
+#include "gimptexttool.h"
+#include "gimptexttool-editor.h"
+#include "gimptoolcontrol.h"
+
+#include "gimp-intl.h"
+
+
+#define TEXT_UNDO_TIMEOUT 3
+
+
+/*  local function prototypes  */
+
+static void      gimp_text_tool_constructed     (GObject           *object);
+static void      gimp_text_tool_finalize        (GObject           *object);
+
+static void      gimp_text_tool_control         (GimpTool          *tool,
+                                                 GimpToolAction     action,
+                                                 GimpDisplay       *display);
+static void      gimp_text_tool_button_press    (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 guint32            time,
+                                                 GdkModifierType    state,
+                                                 GimpButtonPressType  press_type,
+                                                 GimpDisplay       *display);
+static void      gimp_text_tool_button_release  (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 guint32            time,
+                                                 GdkModifierType    state,
+                                                 GimpButtonReleaseType release_type,
+                                                 GimpDisplay       *display);
+static void      gimp_text_tool_motion          (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 guint32            time,
+                                                 GdkModifierType    state,
+                                                 GimpDisplay       *display);
+static gboolean  gimp_text_tool_key_press       (GimpTool          *tool,
+                                                 GdkEventKey       *kevent,
+                                                 GimpDisplay       *display);
+static gboolean  gimp_text_tool_key_release     (GimpTool          *tool,
+                                                 GdkEventKey       *kevent,
+                                                 GimpDisplay       *display);
+static void      gimp_text_tool_oper_update     (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 GdkModifierType    state,
+                                                 gboolean           proximity,
+                                                 GimpDisplay       *display);
+static void      gimp_text_tool_cursor_update   (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 GdkModifierType    state,
+                                                 GimpDisplay       *display);
+static GimpUIManager * gimp_text_tool_get_popup (GimpTool          *tool,
+                                                 const GimpCoords  *coords,
+                                                 GdkModifierType    state,
+                                                 GimpDisplay       *display,
+                                                 const gchar      **ui_path);
+
+static void      gimp_text_tool_draw            (GimpDrawTool      *draw_tool);
+static void      gimp_text_tool_draw_selection  (GimpDrawTool      *draw_tool);
+
+static gboolean  gimp_text_tool_start           (GimpTextTool      *text_tool,
+                                                 GimpDisplay       *display,
+                                                 GimpLayer         *layer,
+                                                 GError           **error);
+static void      gimp_text_tool_halt            (GimpTextTool      *text_tool);
+
+static void      gimp_text_tool_frame_item      (GimpTextTool      *text_tool);
+
+static void      gimp_text_tool_rectangle_response
+                                                (GimpToolRectangle *rectangle,
+                                                 gint               response_id,
+                                                 GimpTextTool      *text_tool);
+static void      gimp_text_tool_rectangle_change_complete
+                                                (GimpToolRectangle *rectangle,
+                                                 GimpTextTool      *text_tool);
+
+static void      gimp_text_tool_connect         (GimpTextTool      *text_tool,
+                                                 GimpTextLayer     *layer,
+                                                 GimpText          *text);
+
+static void      gimp_text_tool_layer_notify    (GimpTextLayer     *layer,
+                                                 const GParamSpec  *pspec,
+                                                 GimpTextTool      *text_tool);
+static void      gimp_text_tool_proxy_notify    (GimpText          *text,
+                                                 const GParamSpec  *pspec,
+                                                 GimpTextTool      *text_tool);
+
+static void      gimp_text_tool_text_notify     (GimpText          *text,
+                                                 const GParamSpec  *pspec,
+                                                 GimpTextTool      *text_tool);
+static void      gimp_text_tool_text_changed    (GimpText          *text,
+                                                 GimpTextTool      *text_tool);
+
+static void
+    gimp_text_tool_fonts_async_set_empty_notify (GimpAsyncSet      *async_set,
+                                                 GParamSpec        *pspec,
+                                                 GimpTextTool      *text_tool);
+
+static void      gimp_text_tool_apply_list      (GimpTextTool      *text_tool,
+                                                 GList             *pspecs);
+
+static void      gimp_text_tool_create_layer    (GimpTextTool      *text_tool,
+                                                 GimpText          *text);
+
+static void      gimp_text_tool_layer_changed   (GimpImage         *image,
+                                                 GimpTextTool      *text_tool);
+static void      gimp_text_tool_set_image       (GimpTextTool      *text_tool,
+                                                 GimpImage         *image);
+static gboolean  gimp_text_tool_set_drawable    (GimpTextTool      *text_tool,
+                                                 GimpDrawable      *drawable,
+                                                 gboolean           confirm);
+
+static void      gimp_text_tool_block_drawing   (GimpTextTool      *text_tool);
+static void      gimp_text_tool_unblock_drawing (GimpTextTool      *text_tool);
+
+static void    gimp_text_tool_buffer_begin_edit (GimpTextBuffer    *buffer,
+                                                 GimpTextTool      *text_tool);
+static void    gimp_text_tool_buffer_end_edit   (GimpTextBuffer    *buffer,
+                                                 GimpTextTool      *text_tool);
+
+static void    gimp_text_tool_buffer_color_applied
+                                                (GimpTextBuffer    *buffer,
+                                                 const GimpRGB     *color,
+                                                 GimpTextTool      *text_tool);
+
+
+G_DEFINE_TYPE (GimpTextTool, gimp_text_tool, GIMP_TYPE_DRAW_TOOL)
+
+#define parent_class gimp_text_tool_parent_class
+
+
+void
+gimp_text_tool_register (GimpToolRegisterCallback  callback,
+                         gpointer                  data)
+{
+  (* callback) (GIMP_TYPE_TEXT_TOOL,
+                GIMP_TYPE_TEXT_OPTIONS,
+                gimp_text_options_gui,
+                GIMP_CONTEXT_PROP_MASK_FOREGROUND |
+                GIMP_CONTEXT_PROP_MASK_FONT       |
+                GIMP_CONTEXT_PROP_MASK_PALETTE /* for the color popup's palette tab */,
+                "gimp-text-tool",
+                _("Text"),
+                _("Text Tool: Create or edit text layers"),
+                N_("Te_xt"), "T",
+                NULL, GIMP_HELP_TOOL_TEXT,
+                GIMP_ICON_TOOL_TEXT,
+                data);
+}
+
+static void
+gimp_text_tool_class_init (GimpTextToolClass *klass)
+{
+  GObjectClass      *object_class    = G_OBJECT_CLASS (klass);
+  GimpToolClass     *tool_class      = GIMP_TOOL_CLASS (klass);
+  GimpDrawToolClass *draw_tool_class = GIMP_DRAW_TOOL_CLASS (klass);
+
+  object_class->constructed    = gimp_text_tool_constructed;
+  object_class->finalize       = gimp_text_tool_finalize;
+
+  tool_class->control          = gimp_text_tool_control;
+  tool_class->button_press     = gimp_text_tool_button_press;
+  tool_class->motion           = gimp_text_tool_motion;
+  tool_class->button_release   = gimp_text_tool_button_release;
+  tool_class->key_press        = gimp_text_tool_key_press;
+  tool_class->key_release      = gimp_text_tool_key_release;
+  tool_class->oper_update      = gimp_text_tool_oper_update;
+  tool_class->cursor_update    = gimp_text_tool_cursor_update;
+  tool_class->get_popup        = gimp_text_tool_get_popup;
+
+  draw_tool_class->draw        = gimp_text_tool_draw;
+}
+
+static void
+gimp_text_tool_init (GimpTextTool *text_tool)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  text_tool->buffer = gimp_text_buffer_new ();
+
+  g_signal_connect (text_tool->buffer, "begin-user-action",
+                    G_CALLBACK (gimp_text_tool_buffer_begin_edit),
+                    text_tool);
+  g_signal_connect (text_tool->buffer, "end-user-action",
+                    G_CALLBACK (gimp_text_tool_buffer_end_edit),
+                    text_tool);
+  g_signal_connect (text_tool->buffer, "color-applied",
+                    G_CALLBACK (gimp_text_tool_buffer_color_applied),
+                    text_tool);
+
+  text_tool->handle_rectangle_change_complete = TRUE;
+
+  gimp_text_tool_editor_init (text_tool);
+
+  gimp_tool_control_set_scroll_lock          (tool->control, TRUE);
+  gimp_tool_control_set_handle_empty_image   (tool->control, TRUE);
+  gimp_tool_control_set_wants_click          (tool->control, TRUE);
+  gimp_tool_control_set_wants_double_click   (tool->control, TRUE);
+  gimp_tool_control_set_wants_triple_click   (tool->control, TRUE);
+  gimp_tool_control_set_wants_all_key_events (tool->control, TRUE);
+  gimp_tool_control_set_active_modifiers     (tool->control,
+                                              GIMP_TOOL_ACTIVE_MODIFIERS_SEPARATE);
+  gimp_tool_control_set_precision            (tool->control,
+                                              GIMP_CURSOR_PRECISION_PIXEL_BORDER);
+  gimp_tool_control_set_tool_cursor          (tool->control,
+                                              GIMP_TOOL_CURSOR_TEXT);
+  gimp_tool_control_set_action_object_1      (tool->control,
+                                              "context/context-font-select-set");
+}
+
+static void
+gimp_text_tool_constructed (GObject *object)
+{
+  GimpTextTool    *text_tool = GIMP_TEXT_TOOL (object);
+  GimpTextOptions *options   = GIMP_TEXT_TOOL_GET_OPTIONS (text_tool);
+  GimpTool        *tool      = GIMP_TOOL (text_tool);
+  GimpAsyncSet    *async_set;
+
+  G_OBJECT_CLASS (parent_class)->constructed (object);
+
+  text_tool->proxy = g_object_new (GIMP_TYPE_TEXT, NULL);
+
+  gimp_text_options_connect_text (options, text_tool->proxy);
+
+  g_signal_connect_object (text_tool->proxy, "notify",
+                           G_CALLBACK (gimp_text_tool_proxy_notify),
+                           text_tool, 0);
+
+  async_set =
+    gimp_data_factory_get_async_set (tool->tool_info->gimp->font_factory);
+
+  g_signal_connect_object (async_set,
+                           "notify::empty",
+                           G_CALLBACK (gimp_text_tool_fonts_async_set_empty_notify),
+                           text_tool, 0);
+}
+
+static void
+gimp_text_tool_finalize (GObject *object)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (object);
+
+  g_clear_object (&text_tool->proxy);
+  g_clear_object (&text_tool->buffer);
+  g_clear_object (&text_tool->ui_manager);
+
+  gimp_text_tool_editor_finalize (text_tool);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_text_tool_remove_empty_text_layer (GimpTextTool *text_tool)
+{
+  GimpTextLayer *text_layer = text_tool->layer;
+
+  if (text_layer && text_layer->auto_rename)
+    {
+      GimpText *text = gimp_text_layer_get_text (text_layer);
+
+      if (text && text->box_mode == GIMP_TEXT_BOX_DYNAMIC &&
+          (! text->text || text->text[0] == '\0') &&
+          (! text->markup || text->markup[0] == '\0'))
+        {
+          GimpImage *image = gimp_item_get_image (GIMP_ITEM (text_layer));
+
+          if (text_tool->image == image)
+            g_signal_handlers_block_by_func (image,
+                                             gimp_text_tool_layer_changed,
+                                             text_tool);
+
+          gimp_image_remove_layer (image, GIMP_LAYER (text_layer), TRUE, NULL);
+          gimp_image_flush (image);
+
+          if (text_tool->image == image)
+            g_signal_handlers_unblock_by_func (image,
+                                               gimp_text_tool_layer_changed,
+                                               text_tool);
+        }
+    }
+}
+
+static void
+gimp_text_tool_control (GimpTool       *tool,
+                        GimpToolAction  action,
+                        GimpDisplay    *display)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (tool);
+
+  switch (action)
+    {
+    case GIMP_TOOL_ACTION_PAUSE:
+    case GIMP_TOOL_ACTION_RESUME:
+      break;
+
+    case GIMP_TOOL_ACTION_HALT:
+      gimp_text_tool_halt (text_tool);
+      break;
+
+    case GIMP_TOOL_ACTION_COMMIT:
+      break;
+    }
+
+  GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
+}
+
+static void
+gimp_text_tool_button_press (GimpTool            *tool,
+                             const GimpCoords    *coords,
+                             guint32              time,
+                             GdkModifierType      state,
+                             GimpButtonPressType  press_type,
+                             GimpDisplay         *display)
+{
+  GimpTextTool      *text_tool = GIMP_TEXT_TOOL (tool);
+  GimpImage         *image     = gimp_display_get_image (display);
+  GimpText          *text      = text_tool->text;
+  GimpToolRectangle *rectangle;
+
+  gimp_draw_tool_pause (GIMP_DRAW_TOOL (tool));
+
+  if (tool->display && tool->display != display)
+    gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
+
+  if (! text_tool->widget)
+    {
+      GError *error = NULL;
+
+      if (! gimp_text_tool_start (text_tool, display, NULL, &error))
+        {
+          gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+
+          gimp_tool_message_literal (tool, display, error->message);
+
+          g_clear_error (&error);
+
+          return;
+        }
+
+      gimp_tool_widget_hover (text_tool->widget, coords, state, TRUE);
+
+      /* HACK: force CREATING on a newly created rectangle; otherwise,
+       * the above binding of properties would cause the rectangle to
+       * start with the size from tool options.
+       */
+      gimp_tool_rectangle_set_function (GIMP_TOOL_RECTANGLE (text_tool->widget),
+                                        GIMP_TOOL_RECTANGLE_CREATING);
+    }
+
+  rectangle = GIMP_TOOL_RECTANGLE (text_tool->widget);
+
+  if (press_type == GIMP_BUTTON_PRESS_NORMAL)
+    {
+      gimp_tool_control_activate (tool->control);
+
+      /* clicking anywhere while a preedit is going on aborts the
+       * preedit, this is ugly but at least leaves everything in
+       * a consistent state
+       */
+      if (text_tool->preedit_active)
+        gimp_text_tool_abort_im_context (text_tool);
+      else
+        gimp_text_tool_reset_im_context (text_tool);
+
+      text_tool->selecting = FALSE;
+
+      if (gimp_tool_rectangle_point_in_rectangle (rectangle,
+                                                  coords->x,
+                                                  coords->y) &&
+          ! text_tool->moving)
+        {
+          gimp_tool_rectangle_set_function (rectangle,
+                                            GIMP_TOOL_RECTANGLE_DEAD);
+        }
+      else if (gimp_tool_widget_button_press (text_tool->widget, coords,
+                                              time, state, press_type))
+        {
+          text_tool->grab_widget = text_tool->widget;
+        }
+
+      /*  bail out now if the user user clicked on a handle of an
+       *  existing rectangle, but not inside an existing framed layer
+       */
+      if (gimp_tool_rectangle_get_function (rectangle) !=
+          GIMP_TOOL_RECTANGLE_CREATING)
+        {
+          if (text_tool->layer)
+            {
+              GimpItem *item = GIMP_ITEM (text_tool->layer);
+              gdouble   x    = coords->x - gimp_item_get_offset_x (item);
+              gdouble   y    = coords->y - gimp_item_get_offset_y (item);
+
+              if (x < 0 || x >= gimp_item_get_width  (item) ||
+                  y < 0 || y >= gimp_item_get_height (item))
+                {
+                  gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+                  return;
+                }
+            }
+          else
+            {
+              gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+              return;
+            }
+        }
+
+      /* if the the click is not related to the currently edited text
+       * layer in any way, try to pick a text layer
+       */
+      if (! text_tool->moving &&
+          gimp_tool_rectangle_get_function (rectangle) ==
+          GIMP_TOOL_RECTANGLE_CREATING)
+        {
+          GimpTextLayer *text_layer;
+
+          text_layer = gimp_image_pick_text_layer (image, coords->x, coords->y);
+
+          if (text_layer && text_layer != text_tool->layer)
+            {
+              if (text_tool->image == image)
+                g_signal_handlers_block_by_func (image,
+                                                 gimp_text_tool_layer_changed,
+                                                 text_tool);
+
+              gimp_image_set_active_layer (image, GIMP_LAYER (text_layer));
+
+              if (text_tool->image == image)
+                g_signal_handlers_unblock_by_func (image,
+                                                   gimp_text_tool_layer_changed,
+                                                   text_tool);
+            }
+        }
+    }
+
+  if (gimp_image_coords_in_active_pickable (image, coords, FALSE, FALSE, FALSE))
+    {
+      GimpDrawable *drawable = gimp_image_get_active_drawable (image);
+      GimpItem     *item     = GIMP_ITEM (drawable);
+      gdouble       x        = coords->x - gimp_item_get_offset_x (item);
+      gdouble       y        = coords->y - gimp_item_get_offset_y (item);
+
+      /*  did the user click on a text layer?  */
+      if (gimp_text_tool_set_drawable (text_tool, drawable, TRUE))
+        {
+          if (press_type == GIMP_BUTTON_PRESS_NORMAL)
+            {
+              /*  if we clicked on a text layer while the tool was idle
+               *  (didn't show a rectangle), frame the layer and switch to
+               *  selecting instead of drawing a new rectangle
+               */
+              if (gimp_tool_rectangle_get_function (rectangle) ==
+                  GIMP_TOOL_RECTANGLE_CREATING)
+                {
+                  gimp_tool_rectangle_set_function (rectangle,
+                                                    GIMP_TOOL_RECTANGLE_DEAD);
+
+                  gimp_text_tool_frame_item (text_tool);
+                }
+
+              if (text_tool->text && text_tool->text != text)
+                {
+                  gimp_text_tool_editor_start (text_tool);
+                }
+            }
+
+          if (text_tool->text && ! text_tool->moving)
+            {
+              text_tool->selecting = TRUE;
+
+              gimp_text_tool_editor_button_press (text_tool, x, y, press_type);
+            }
+          else
+            {
+              text_tool->selecting = FALSE;
+            }
+
+          gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+
+          return;
+        }
+    }
+
+  if (press_type == GIMP_BUTTON_PRESS_NORMAL)
+    {
+      /*  create a new text layer  */
+      text_tool->text_box_fixed = FALSE;
+
+      /* make sure the text tool has an image, even if the user didn't click
+       * inside the active drawable, in particular, so that the text style
+       * editor picks the correct resolution.
+       */
+      gimp_text_tool_set_image (text_tool, image);
+
+      gimp_text_tool_connect (text_tool, NULL, NULL);
+      gimp_text_tool_editor_start (text_tool);
+    }
+
+  gimp_draw_tool_resume (GIMP_DRAW_TOOL (tool));
+}
+
+static void
+gimp_text_tool_button_release (GimpTool              *tool,
+                               const GimpCoords      *coords,
+                               guint32                time,
+                               GdkModifierType        state,
+                               GimpButtonReleaseType  release_type,
+                               GimpDisplay           *display)
+{
+  GimpTextTool      *text_tool = GIMP_TEXT_TOOL (tool);
+  GimpToolRectangle *rectangle = GIMP_TOOL_RECTANGLE (text_tool->widget);
+
+  gimp_tool_control_halt (tool->control);
+
+  if (text_tool->selecting)
+    {
+      /*  we are in a selection process (user has initially clicked on
+       *  an existing text layer), so finish the selection process and
+       *  ignore rectangle-change-complete.
+       */
+
+      /*  need to block "end-user-action" on the text buffer, because
+       *  GtkTextBuffer considers copying text to the clipboard an
+       *  undo-relevant user action, which is clearly a bug, but what
+       *  can we do...
+       */
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_begin_edit,
+                                       text_tool);
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_end_edit,
+                                       text_tool);
+
+      gimp_text_tool_editor_button_release (text_tool);
+
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_end_edit,
+                                         text_tool);
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_begin_edit,
+                                         text_tool);
+
+      text_tool->selecting = FALSE;
+
+      text_tool->handle_rectangle_change_complete = FALSE;
+
+      /*  there is no cancelling of selections yet  */
+      if (release_type == GIMP_BUTTON_RELEASE_CANCEL)
+        release_type = GIMP_BUTTON_RELEASE_NORMAL;
+    }
+  else if (text_tool->moving)
+    {
+      /*  the user has moved the text layer with Alt-drag, fall
+       *  through and let rectangle-change-complete do its job of
+       *  setting text layer's new position.
+       */
+    }
+  else if (gimp_tool_rectangle_get_function (rectangle) ==
+           GIMP_TOOL_RECTANGLE_DEAD)
+    {
+      /*  the user clicked in dead space (like between the corner and
+       *  edge handles, so completely ignore that.
+       */
+
+      text_tool->handle_rectangle_change_complete = FALSE;
+    }
+  else if (release_type == GIMP_BUTTON_RELEASE_CANCEL)
+    {
+      /*  user has canceled the rectangle resizing, fall through
+       *  and let the rectangle handle restoring the previous size
+       */
+    }
+  else
+    {
+      gdouble x1, y1;
+      gdouble x2, y2;
+
+      /*  otherwise the user has clicked outside of any text layer in
+       *  order to create a new text, fall through and let
+       *  rectangle-change-complete do its job of setting the new text
+       *  layer's size.
+       */
+
+      g_object_get (rectangle,
+                    "x1", &x1,
+                    "y1", &y1,
+                    "x2", &x2,
+                    "y2", &y2,
+                    NULL);
+
+      if (release_type == GIMP_BUTTON_RELEASE_CLICK ||
+          (x2 - x1) < 3                             ||
+          (y2 - y1) < 3)
+        {
+          /*  unless the rectangle is unreasonably small to hold any
+           *  real text (the user has eitherjust clicked or just made
+           *  a rectangle of a few pixels), so set the text box to
+           *  dynamic and ignore rectangle-change-complete.
+           */
+
+          g_object_set (text_tool->proxy,
+                        "box-mode", GIMP_TEXT_BOX_DYNAMIC,
+                        NULL);
+
+          text_tool->handle_rectangle_change_complete = FALSE;
+        }
+    }
+
+  if (text_tool->grab_widget)
+    {
+      gimp_tool_widget_button_release (text_tool->grab_widget,
+                                       coords, time, state, release_type);
+      text_tool->grab_widget = NULL;
+    }
+
+  text_tool->handle_rectangle_change_complete = TRUE;
+}
+
+static void
+gimp_text_tool_motion (GimpTool         *tool,
+                       const GimpCoords *coords,
+                       guint32           time,
+                       GdkModifierType   state,
+                       GimpDisplay      *display)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (tool);
+
+  if (! text_tool->selecting)
+    {
+      if (text_tool->grab_widget)
+        {
+          gimp_tool_widget_motion (text_tool->grab_widget,
+                                   coords, time, state);
+        }
+    }
+  else
+    {
+      GimpItem *item = GIMP_ITEM (text_tool->layer);
+      gdouble   x    = coords->x - gimp_item_get_offset_x (item);
+      gdouble   y    = coords->y - gimp_item_get_offset_y (item);
+
+      gimp_text_tool_editor_motion (text_tool, x, y);
+    }
+}
+
+static gboolean
+gimp_text_tool_key_press (GimpTool    *tool,
+                          GdkEventKey *kevent,
+                          GimpDisplay *display)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (tool);
+
+  if (display == tool->display)
+    return gimp_text_tool_editor_key_press (text_tool, kevent);
+
+  return FALSE;
+}
+
+static gboolean
+gimp_text_tool_key_release (GimpTool    *tool,
+                            GdkEventKey *kevent,
+                            GimpDisplay *display)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (tool);
+
+  if (display == tool->display)
+    return gimp_text_tool_editor_key_release (text_tool, kevent);
+
+  return FALSE;
+}
+
+static void
+gimp_text_tool_oper_update (GimpTool         *tool,
+                            const GimpCoords *coords,
+                            GdkModifierType   state,
+                            gboolean          proximity,
+                            GimpDisplay      *display)
+{
+  GimpTextTool      *text_tool = GIMP_TEXT_TOOL (tool);
+  GimpToolRectangle *rectangle = GIMP_TOOL_RECTANGLE (text_tool->widget);
+
+  GIMP_TOOL_CLASS (parent_class)->oper_update (tool, coords, state,
+                                               proximity, display);
+
+  text_tool->moving = (text_tool->widget &&
+                       gimp_tool_rectangle_get_function (rectangle) ==
+                       GIMP_TOOL_RECTANGLE_MOVING &&
+                       (state & GDK_MOD1_MASK));
+}
+
+static void
+gimp_text_tool_cursor_update (GimpTool         *tool,
+                              const GimpCoords *coords,
+                              GdkModifierType   state,
+                              GimpDisplay      *display)
+{
+  GimpTextTool      *text_tool = GIMP_TEXT_TOOL (tool);
+  GimpToolRectangle *rectangle = GIMP_TOOL_RECTANGLE (text_tool->widget);
+
+  if (rectangle && tool->display == display)
+    {
+      if (gimp_tool_rectangle_point_in_rectangle (rectangle,
+                                                  coords->x,
+                                                  coords->y) &&
+          ! text_tool->moving)
+        {
+          gimp_tool_set_cursor (tool, display,
+                                (GimpCursorType) GDK_XTERM,
+                                gimp_tool_control_get_tool_cursor (tool->control),
+                                GIMP_CURSOR_MODIFIER_NONE);
+        }
+      else
+        {
+          GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state,
+                                                         display);
+        }
+    }
+  else
+    {
+      GimpAsyncSet *async_set;
+
+      async_set =
+        gimp_data_factory_get_async_set (tool->tool_info->gimp->font_factory);
+
+      if (gimp_async_set_is_empty (async_set))
+        {
+          GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state,
+                                                         display);
+        }
+      else
+        {
+          gimp_tool_set_cursor (tool, display,
+                                gimp_tool_control_get_cursor (tool->control),
+                                gimp_tool_control_get_tool_cursor (tool->control),
+                                GIMP_CURSOR_MODIFIER_BAD);
+        }
+    }
+}
+
+static GimpUIManager *
+gimp_text_tool_get_popup (GimpTool         *tool,
+                          const GimpCoords *coords,
+                          GdkModifierType   state,
+                          GimpDisplay      *display,
+                          const gchar     **ui_path)
+{
+  GimpTextTool      *text_tool = GIMP_TEXT_TOOL (tool);
+  GimpToolRectangle *rectangle = GIMP_TOOL_RECTANGLE (text_tool->widget);
+
+  if (rectangle &&
+      gimp_tool_rectangle_point_in_rectangle (rectangle,
+                                              coords->x,
+                                              coords->y))
+    {
+      if (! text_tool->ui_manager)
+        {
+          GimpDisplayShell  *shell = gimp_display_get_shell (tool->display);
+          GimpImageWindow   *image_window;
+          GimpDialogFactory *dialog_factory;
+          GtkWidget         *im_menu;
+          GList             *children;
+
+          image_window   = gimp_display_shell_get_window (shell);
+          dialog_factory = gimp_dock_container_get_dialog_factory (GIMP_DOCK_CONTAINER (image_window));
+
+          text_tool->ui_manager =
+            gimp_menu_factory_manager_new (gimp_dialog_factory_get_menu_factory (dialog_factory),
+                                           "<TextTool>",
+                                           text_tool, FALSE);
+
+          im_menu = gimp_ui_manager_get_widget (text_tool->ui_manager,
+                                                "/text-tool-popup/text-tool-input-methods-menu");
+
+          if (GTK_IS_MENU_ITEM (im_menu))
+            im_menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (im_menu));
+
+          /*  hide the generated "empty" item  */
+          children = gtk_container_get_children (GTK_CONTAINER (im_menu));
+          while (children)
+            {
+              gtk_widget_hide (children->data);
+              children = g_list_remove (children, children->data);
+            }
+
+          gtk_im_multicontext_append_menuitems (GTK_IM_MULTICONTEXT (text_tool->im_context),
+                                                GTK_MENU_SHELL (im_menu));
+        }
+
+      gimp_ui_manager_update (text_tool->ui_manager, text_tool);
+
+      *ui_path = "/text-tool-popup";
+
+      return text_tool->ui_manager;
+    }
+
+  return NULL;
+}
+
+static void
+gimp_text_tool_draw (GimpDrawTool *draw_tool)
+{
+  GimpTextTool *text_tool = GIMP_TEXT_TOOL (draw_tool);
+
+  GIMP_DRAW_TOOL_CLASS (parent_class)->draw (draw_tool);
+
+  if (! text_tool->text  ||
+      ! text_tool->layer ||
+      ! text_tool->layer->text)
+    {
+      gimp_text_tool_editor_update_im_cursor (text_tool);
+
+      return;
+    }
+
+  gimp_text_tool_ensure_layout (text_tool);
+
+  if (gtk_text_buffer_get_has_selection (GTK_TEXT_BUFFER (text_tool->buffer)))
+    {
+      /* If the text buffer has a selection, highlight the selected letters */
+
+      gimp_text_tool_draw_selection (draw_tool);
+    }
+  else
+    {
+      /* If the text buffer has no selection, draw the text cursor */
+
+      GimpCanvasItem   *item;
+      PangoRectangle    cursor_rect;
+      gint              off_x, off_y;
+      gboolean          overwrite;
+      GimpTextDirection direction;
+
+      gimp_text_tool_editor_get_cursor_rect (text_tool,
+                                             text_tool->overwrite_mode,
+                                             &cursor_rect);
+
+      gimp_item_get_offset (GIMP_ITEM (text_tool->layer), &off_x, &off_y);
+      cursor_rect.x += off_x;
+      cursor_rect.y += off_y;
+
+      overwrite = text_tool->overwrite_mode && cursor_rect.width != 0;
+
+      direction = gimp_text_tool_get_direction (text_tool);
+
+      item = gimp_draw_tool_add_text_cursor (draw_tool, &cursor_rect,
+                                             overwrite, direction);
+      gimp_canvas_item_set_highlight (item, TRUE);
+    }
+
+  gimp_text_tool_editor_update_im_cursor (text_tool);
+}
+
+static void
+gimp_text_tool_draw_selection (GimpDrawTool *draw_tool)
+{
+  GimpTextTool     *text_tool = GIMP_TEXT_TOOL (draw_tool);
+  GtkTextBuffer    *buffer    = GTK_TEXT_BUFFER (text_tool->buffer);
+  GimpCanvasGroup  *group;
+  PangoLayout      *layout;
+  gint              offset_x;
+  gint              offset_y;
+  gint              width;
+  gint              height;
+  gint              off_x, off_y;
+  PangoLayoutIter  *iter;
+  GtkTextIter       sel_start, sel_end;
+  gint              min, max;
+  gint              i;
+  GimpTextDirection direction;
+
+  group = gimp_draw_tool_add_stroke_group (draw_tool);
+  gimp_canvas_item_set_highlight (GIMP_CANVAS_ITEM (group), TRUE);
+
+  gtk_text_buffer_get_selection_bounds (buffer, &sel_start, &sel_end);
+
+  min = gimp_text_buffer_get_iter_index (text_tool->buffer, &sel_start, TRUE);
+  max = gimp_text_buffer_get_iter_index (text_tool->buffer, &sel_end, TRUE);
+
+  layout = gimp_text_layout_get_pango_layout (text_tool->layout);
+
+  gimp_text_layout_get_offsets (text_tool->layout, &offset_x, &offset_y);
+
+  gimp_text_layout_get_size (text_tool->layout, &width, &height);
+
+  gimp_item_get_offset (GIMP_ITEM (text_tool->layer), &off_x, &off_y);
+  offset_x += off_x;
+  offset_y += off_y;
+
+  direction = gimp_text_tool_get_direction (text_tool);
+
+  iter = pango_layout_get_iter (layout);
+
+  gimp_draw_tool_push_group (draw_tool, group);
+
+  do
+    {
+      if (! pango_layout_iter_get_run (iter))
+        continue;
+
+      i = pango_layout_iter_get_index (iter);
+
+      if (i >= min && i < max)
+        {
+          PangoRectangle rect;
+          gint           ytop, ybottom;
+
+          pango_layout_iter_get_char_extents (iter, &rect);
+          pango_layout_iter_get_line_yrange (iter, &ytop, &ybottom);
+
+          rect.y      = ytop;
+          rect.height = ybottom - ytop;
+
+          pango_extents_to_pixels (&rect, NULL);
+
+          gimp_text_layout_transform_rect (text_tool->layout, &rect);
+
+          switch (direction)
+            {
+            case GIMP_TEXT_DIRECTION_LTR:
+            case GIMP_TEXT_DIRECTION_RTL:
+              rect.x += offset_x;
+              rect.y += offset_y;
+              gimp_draw_tool_add_rectangle (draw_tool, FALSE,
+                                            rect.x, rect.y,
+                                            rect.width, rect.height);
+              break;
+            case GIMP_TEXT_DIRECTION_TTB_RTL:
+            case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT:
+              rect.y = offset_x - rect.y + width;
+              rect.x = offset_y + rect.x;
+              gimp_draw_tool_add_rectangle (draw_tool, FALSE,
+                                            rect.y, rect.x,
+                                            -rect.height, rect.width);
+              break;
+            case GIMP_TEXT_DIRECTION_TTB_LTR:
+            case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT:
+              rect.y = offset_x + rect.y;
+              rect.x = offset_y - rect.x + height;
+              gimp_draw_tool_add_rectangle (draw_tool, FALSE,
+                                            rect.y, rect.x,
+                                            rect.height, -rect.width);
+              break;
+            }
+        }
+    }
+  while (pango_layout_iter_next_char (iter));
+
+  gimp_draw_tool_pop_group (draw_tool);
+
+  pango_layout_iter_free (iter);
+}
+
+static gboolean
+gimp_text_tool_start (GimpTextTool  *text_tool,
+                      GimpDisplay   *display,
+                      GimpLayer     *layer,
+                      GError       **error)
+{
+  GimpTool         *tool  = GIMP_TOOL (text_tool);
+  GimpDisplayShell *shell = gimp_display_get_shell (display);
+  GimpToolWidget   *widget;
+  GimpAsyncSet     *async_set;
+
+  async_set =
+    gimp_data_factory_get_async_set (tool->tool_info->gimp->font_factory);
+
+  if (! gimp_async_set_is_empty (async_set))
+    {
+      g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
+                           _("Fonts are still loading"));
+
+      return FALSE;
+    }
+
+  tool->display = display;
+
+  text_tool->widget = widget = gimp_tool_rectangle_new (shell);
+
+  g_object_set (widget,
+                "force-narrow-mode", TRUE,
+                "status-title",      _("Text box: "),
+                NULL);
+
+  gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (tool), widget);
+
+  g_signal_connect (widget, "response",
+                    G_CALLBACK (gimp_text_tool_rectangle_response),
+                    text_tool);
+  g_signal_connect (widget, "change-complete",
+                    G_CALLBACK (gimp_text_tool_rectangle_change_complete),
+                    text_tool);
+
+  gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
+
+  if (layer)
+    {
+      gimp_text_tool_frame_item (text_tool);
+      gimp_text_tool_editor_start (text_tool);
+      gimp_text_tool_editor_position (text_tool);
+    }
+
+  return TRUE;
+}
+
+static void
+gimp_text_tool_halt (GimpTextTool *text_tool)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  gimp_text_tool_editor_halt (text_tool);
+  gimp_text_tool_clear_layout (text_tool);
+  gimp_text_tool_set_drawable (text_tool, NULL, FALSE);
+
+  if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
+    gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
+
+  gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (tool), NULL);
+  g_clear_object (&text_tool->widget);
+
+  tool->display  = NULL;
+  tool->drawable = NULL;
+}
+
+static void
+gimp_text_tool_frame_item (GimpTextTool *text_tool)
+{
+  g_return_if_fail (GIMP_IS_LAYER (text_tool->layer));
+
+  text_tool->handle_rectangle_change_complete = FALSE;
+
+  gimp_tool_rectangle_frame_item (GIMP_TOOL_RECTANGLE (text_tool->widget),
+                                  GIMP_ITEM (text_tool->layer));
+
+  text_tool->handle_rectangle_change_complete = TRUE;
+}
+
+static void
+gimp_text_tool_rectangle_response (GimpToolRectangle *rectangle,
+                                   gint               response_id,
+                                   GimpTextTool      *text_tool)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  /* this happens when a newly created rectangle gets canceled,
+   * we have to shut down the tool
+   */
+  if (response_id == GIMP_TOOL_WIDGET_RESPONSE_CANCEL)
+    gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
+}
+
+static void
+gimp_text_tool_rectangle_change_complete (GimpToolRectangle *rectangle,
+                                          GimpTextTool      *text_tool)
+{
+  gimp_text_tool_editor_position (text_tool);
+
+  if (text_tool->handle_rectangle_change_complete)
+    {
+      GimpItem *item = GIMP_ITEM (text_tool->layer);
+      gdouble   x1, y1;
+      gdouble   x2, y2;
+
+      if (! item)
+        {
+          /* we can't set properties for the text layer, because it
+           * isn't created until some text has been inserted, so we
+           * need to make a special note that will remind us what to
+           * do when we actually create the layer
+           */
+          text_tool->text_box_fixed = TRUE;
+
+          return;
+        }
+
+      g_object_get (rectangle,
+                    "x1", &x1,
+                    "y1", &y1,
+                    "x2", &x2,
+                    "y2", &y2,
+                    NULL);
+
+      if ((x2 - x1) != gimp_item_get_width  (item) ||
+          (y2 - y1) != gimp_item_get_height (item))
+        {
+          GimpUnit  box_unit = text_tool->proxy->box_unit;
+          gdouble   xres, yres;
+          gboolean  push_undo = TRUE;
+          GimpUndo *undo;
+
+          gimp_image_get_resolution (text_tool->image, &xres, &yres);
+
+          g_object_set (text_tool->proxy,
+                        "box-mode",   GIMP_TEXT_BOX_FIXED,
+                        "box-width",  gimp_pixels_to_units (x2 - x1,
+                                                            box_unit, xres),
+                        "box-height", gimp_pixels_to_units (y2 - y1,
+                                                            box_unit, yres),
+                        NULL);
+
+          undo = gimp_image_undo_can_compress (text_tool->image,
+                                               GIMP_TYPE_UNDO_STACK,
+                                               GIMP_UNDO_GROUP_TEXT);
+
+          if (undo &&
+              gimp_undo_get_age (undo) <= TEXT_UNDO_TIMEOUT &&
+              g_object_get_data (G_OBJECT (undo), "reshape-text-layer") == (gpointer) item)
+            push_undo = FALSE;
+
+          if (push_undo)
+            {
+              gimp_image_undo_group_start (text_tool->image, GIMP_UNDO_GROUP_TEXT,
+                                           _("Reshape Text Layer"));
+
+              undo = gimp_image_undo_can_compress (text_tool->image, GIMP_TYPE_UNDO_STACK,
+                                                   GIMP_UNDO_GROUP_TEXT);
+
+              if (undo)
+                g_object_set_data (G_OBJECT (undo), "reshape-text-layer",
+                                   (gpointer) item);
+            }
+
+          gimp_text_tool_block_drawing (text_tool);
+
+          gimp_item_translate (item,
+                               x1 - gimp_item_get_offset_x (item),
+                               y1 - gimp_item_get_offset_y (item),
+                               push_undo);
+          gimp_text_tool_apply (text_tool, push_undo);
+
+          gimp_text_tool_unblock_drawing (text_tool);
+
+          if (push_undo)
+            gimp_image_undo_group_end (text_tool->image);
+        }
+      else if (x1 != gimp_item_get_offset_x (item) ||
+               y1 != gimp_item_get_offset_y (item))
+        {
+          gimp_text_tool_block_drawing (text_tool);
+
+          gimp_text_tool_apply (text_tool, TRUE);
+
+          gimp_item_translate (item,
+                               x1 - gimp_item_get_offset_x (item),
+                               y1 - gimp_item_get_offset_y (item),
+                               TRUE);
+
+          gimp_text_tool_unblock_drawing (text_tool);
+
+          gimp_image_flush (text_tool->image);
+        }
+    }
+}
+
+static void
+gimp_text_tool_connect (GimpTextTool  *text_tool,
+                        GimpTextLayer *layer,
+                        GimpText      *text)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  g_return_if_fail (text == NULL || (layer != NULL && layer->text == text));
+
+  if (text_tool->text != text)
+    {
+      GimpTextOptions *options = GIMP_TEXT_TOOL_GET_OPTIONS (tool);
+
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_begin_edit,
+                                       text_tool);
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_end_edit,
+                                       text_tool);
+
+      if (text_tool->text)
+        {
+          g_signal_handlers_disconnect_by_func (text_tool->text,
+                                                gimp_text_tool_text_notify,
+                                                text_tool);
+          g_signal_handlers_disconnect_by_func (text_tool->text,
+                                                gimp_text_tool_text_changed,
+                                                text_tool);
+
+          if (text_tool->pending)
+            gimp_text_tool_apply (text_tool, TRUE);
+
+          g_clear_object (&text_tool->text);
+
+          g_object_set (text_tool->proxy,
+                        "text",   NULL,
+                        "markup", NULL,
+                        NULL);
+          gimp_text_buffer_set_text (text_tool->buffer, NULL);
+
+          gimp_text_tool_clear_layout (text_tool);
+        }
+
+      gimp_context_define_property (GIMP_CONTEXT (options),
+                                    GIMP_CONTEXT_PROP_FOREGROUND,
+                                    text != NULL);
+
+      if (text)
+        {
+          if (text->unit != text_tool->proxy->unit)
+            gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (options->size_entry),
+                                      text->unit);
+
+          gimp_config_sync (G_OBJECT (text), G_OBJECT (text_tool->proxy), 0);
+
+          if (text->markup)
+            gimp_text_buffer_set_markup (text_tool->buffer, text->markup);
+          else
+            gimp_text_buffer_set_text (text_tool->buffer, text->text);
+
+          gimp_text_tool_clear_layout (text_tool);
+
+          text_tool->text = g_object_ref (text);
+
+          g_signal_connect (text, "notify",
+                            G_CALLBACK (gimp_text_tool_text_notify),
+                            text_tool);
+          g_signal_connect (text, "changed",
+                            G_CALLBACK (gimp_text_tool_text_changed),
+                            text_tool);
+        }
+
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_end_edit,
+                                         text_tool);
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_begin_edit,
+                                         text_tool);
+    }
+
+  if (text_tool->layer != layer)
+    {
+      if (text_tool->layer)
+        {
+          g_signal_handlers_disconnect_by_func (text_tool->layer,
+                                                gimp_text_tool_layer_notify,
+                                                text_tool);
+
+          /*  don't try to remove the layer if it is not attached,
+           *  which can happen if we got here because the layer was
+           *  somehow deleted from the image (like by the user in the
+           *  layers dialog).
+           */
+          if (gimp_item_is_attached (GIMP_ITEM (text_tool->layer)))
+            gimp_text_tool_remove_empty_text_layer (text_tool);
+        }
+
+      text_tool->layer = layer;
+
+      if (layer)
+        {
+          g_signal_connect_object (text_tool->layer, "notify",
+                                   G_CALLBACK (gimp_text_tool_layer_notify),
+                                   text_tool, 0);
+        }
+    }
+}
+
+static void
+gimp_text_tool_layer_notify (GimpTextLayer    *layer,
+                             const GParamSpec *pspec,
+                             GimpTextTool     *text_tool)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  if (! strcmp (pspec->name, "modified"))
+    {
+      if (layer->modified)
+        gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
+    }
+  else if (! strcmp (pspec->name, "text"))
+    {
+      if (! layer->text)
+        gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
+    }
+  else if (! strcmp (pspec->name, "offset-x") ||
+           ! strcmp (pspec->name, "offset-y"))
+    {
+      if (gimp_item_is_attached (GIMP_ITEM (layer)))
+        {
+          gimp_text_tool_block_drawing (text_tool);
+
+          gimp_text_tool_frame_item (text_tool);
+
+          gimp_text_tool_unblock_drawing (text_tool);
+        }
+    }
+}
+
+static gboolean
+gimp_text_tool_apply_idle (GimpTextTool *text_tool)
+{
+  text_tool->idle_id = 0;
+
+  gimp_text_tool_apply (text_tool, TRUE);
+
+  gimp_text_tool_unblock_drawing (text_tool);
+
+  return G_SOURCE_REMOVE;
+}
+
+static void
+gimp_text_tool_proxy_notify (GimpText         *text,
+                             const GParamSpec *pspec,
+                             GimpTextTool     *text_tool)
+{
+  if (! text_tool->text)
+    return;
+
+  if ((pspec->flags & G_PARAM_READWRITE) == G_PARAM_READWRITE &&
+      pspec->owner_type == GIMP_TYPE_TEXT)
+    {
+      if (text_tool->preedit_active)
+        {
+          /* if there is a preedit going on, don't queue pending
+           * changes to be idle-applied with undo; instead, flush the
+           * pending queue (happens only when preedit starts), and
+           * apply the changes to text_tool->text directly. Preedit
+           * will *always* end by removing the preedit string, and if
+           * the preedit was committed, it will insert the resulting
+           * text, which will not trigger this if() any more.
+           */
+
+          GList *list = NULL;
+
+         /* if there are pending changes, apply them before applying
+           * preedit stuff directly (bypassing undo)
+           */
+          if (text_tool->pending)
+            {
+              gimp_text_tool_block_drawing (text_tool);
+              gimp_text_tool_apply (text_tool, TRUE);
+              gimp_text_tool_unblock_drawing (text_tool);
+            }
+
+          gimp_text_tool_block_drawing (text_tool);
+
+          list = g_list_append (list, (gpointer) pspec);
+          gimp_text_tool_apply_list (text_tool, list);
+          g_list_free (list);
+
+          gimp_text_tool_frame_item (text_tool);
+
+          gimp_image_flush (gimp_item_get_image (GIMP_ITEM (text_tool->layer)));
+
+          gimp_text_tool_unblock_drawing (text_tool);
+        }
+      else
+        {
+          /* else queue the property change for normal processing,
+           * including undo
+           */
+
+          text_tool->pending = g_list_append (text_tool->pending,
+                                              (gpointer) pspec);
+
+          if (! text_tool->idle_id)
+            {
+              gimp_text_tool_block_drawing (text_tool);
+
+              text_tool->idle_id =
+                g_idle_add_full (G_PRIORITY_LOW,
+                                 (GSourceFunc) gimp_text_tool_apply_idle,
+                                 text_tool,
+                                 NULL);
+            }
+        }
+    }
+}
+
+static void
+gimp_text_tool_text_notify (GimpText         *text,
+                            const GParamSpec *pspec,
+                            GimpTextTool     *text_tool)
+{
+  g_return_if_fail (text == text_tool->text);
+
+  /* an undo cancels all preedit operations */
+  if (text_tool->preedit_active)
+    gimp_text_tool_abort_im_context (text_tool);
+
+  gimp_text_tool_block_drawing (text_tool);
+
+  if ((pspec->flags & G_PARAM_READWRITE) == G_PARAM_READWRITE)
+    {
+      GValue value = G_VALUE_INIT;
+
+      g_value_init (&value, pspec->value_type);
+
+      g_object_get_property (G_OBJECT (text), pspec->name, &value);
+
+      g_signal_handlers_block_by_func (text_tool->proxy,
+                                       gimp_text_tool_proxy_notify,
+                                       text_tool);
+
+      g_object_set_property (G_OBJECT (text_tool->proxy), pspec->name, &value);
+
+      g_signal_handlers_unblock_by_func (text_tool->proxy,
+                                         gimp_text_tool_proxy_notify,
+                                         text_tool);
+
+      g_value_unset (&value);
+    }
+
+  /* if the text has changed, (probably because of an undo), we put
+   * the new text into the text buffer
+   */
+  if (strcmp (pspec->name, "text")   == 0 ||
+      strcmp (pspec->name, "markup") == 0)
+    {
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_begin_edit,
+                                       text_tool);
+      g_signal_handlers_block_by_func (text_tool->buffer,
+                                       gimp_text_tool_buffer_end_edit,
+                                       text_tool);
+
+      if (text->markup)
+        gimp_text_buffer_set_markup (text_tool->buffer, text->markup);
+      else
+        gimp_text_buffer_set_text (text_tool->buffer, text->text);
+
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_end_edit,
+                                         text_tool);
+      g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                         gimp_text_tool_buffer_begin_edit,
+                                         text_tool);
+    }
+
+  gimp_text_tool_unblock_drawing (text_tool);
+}
+
+static void
+gimp_text_tool_text_changed (GimpText     *text,
+                             GimpTextTool *text_tool)
+{
+  gimp_text_tool_block_drawing (text_tool);
+
+  /* we need to redraw the rectangle in any case because whatever
+   * changes to the text can change its size
+   */
+  gimp_text_tool_frame_item (text_tool);
+
+  gimp_text_tool_unblock_drawing (text_tool);
+}
+
+static void
+gimp_text_tool_fonts_async_set_empty_notify (GimpAsyncSet *async_set,
+                                             GParamSpec   *pspec,
+                                             GimpTextTool *text_tool)
+{
+  GimpTool *tool = GIMP_TOOL (text_tool);
+
+  if (! gimp_async_set_is_empty (async_set) && tool->display)
+    gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
+}
+
+static void
+gimp_text_tool_apply_list (GimpTextTool *text_tool,
+                           GList        *pspecs)
+{
+  GObject *src  = G_OBJECT (text_tool->proxy);
+  GObject *dest = G_OBJECT (text_tool->text);
+  GList   *list;
+
+  g_signal_handlers_block_by_func (dest,
+                                   gimp_text_tool_text_notify,
+                                   text_tool);
+  g_signal_handlers_block_by_func (dest,
+                                   gimp_text_tool_text_changed,
+                                   text_tool);
+
+  g_object_freeze_notify (dest);
+
+  for (list = pspecs; list; list = g_list_next (list))
+    {
+      const GParamSpec *pspec;
+      GValue            value = G_VALUE_INIT;
+
+      /*  look ahead and compress changes  */
+      if (list->next && list->next->data == list->data)
+        continue;
+
+      pspec = list->data;
+
+      g_value_init (&value, pspec->value_type);
+
+      g_object_get_property (src,  pspec->name, &value);
+      g_object_set_property (dest, pspec->name, &value);
+
+      g_value_unset (&value);
+    }
+
+  g_object_thaw_notify (dest);
+
+  g_signal_handlers_unblock_by_func (dest,
+                                     gimp_text_tool_text_notify,
+                                     text_tool);
+  g_signal_handlers_unblock_by_func (dest,
+                                     gimp_text_tool_text_changed,
+                                     text_tool);
+}
+
+static void
+gimp_text_tool_create_layer (GimpTextTool *text_tool,
+                             GimpText     *text)
+{
+  GimpTool  *tool  = GIMP_TOOL (text_tool);
+  GimpImage *image = gimp_display_get_image (tool->display);
+  GimpLayer *layer;
+  gdouble    x1, y1;
+  gdouble    x2, y2;
+
+  gimp_text_tool_block_drawing (text_tool);
+
+  if (text)
+    {
+      text = gimp_config_duplicate (GIMP_CONFIG (text));
+    }
+  else
+    {
+      gchar *string;
+
+      if (gimp_text_buffer_has_markup (text_tool->buffer))
+        {
+          string = gimp_text_buffer_get_markup (text_tool->buffer);
+
+          g_object_set (text_tool->proxy,
+                        "markup",   string,
+                        "box-mode", GIMP_TEXT_BOX_DYNAMIC,
+                        NULL);
+        }
+      else
+        {
+          string = gimp_text_buffer_get_text (text_tool->buffer);
+
+          g_object_set (text_tool->proxy,
+                        "text",     string,
+                        "box-mode", GIMP_TEXT_BOX_DYNAMIC,
+                        NULL);
+        }
+
+      g_free (string);
+
+      text = gimp_config_duplicate (GIMP_CONFIG (text_tool->proxy));
+    }
+
+  layer = gimp_text_layer_new (image, text);
+
+  g_object_unref (text);
+
+  if (! layer)
+    {
+      gimp_text_tool_unblock_drawing (text_tool);
+      return;
+    }
+
+  gimp_text_tool_connect (text_tool, GIMP_TEXT_LAYER (layer), text);
+
+  gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_TEXT,
+                               _("Add Text Layer"));
+
+  if (gimp_image_get_floating_selection (image))
+    {
+      g_signal_handlers_block_by_func (image,
+                                       gimp_text_tool_layer_changed,
+                                       text_tool);
+
+      floating_sel_anchor (gimp_image_get_floating_selection (image));
+
+      g_signal_handlers_unblock_by_func (image,
+                                         gimp_text_tool_layer_changed,
+                                         text_tool);
+    }
+
+  g_object_get (text_tool->widget,
+                "x1", &x1,
+                "y1", &y1,
+                "x2", &x2,
+                "y2", &y2,
+                NULL);
+
+  if (text_tool->text_box_fixed == FALSE)
+    {
+      if (text_tool->text &&
+          (text_tool->text->base_dir == GIMP_TEXT_DIRECTION_TTB_RTL ||
+           text_tool->text->base_dir == GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT))
+        {
+          x1 -= gimp_item_get_width (GIMP_ITEM (layer));
+        }
+    }
+  gimp_item_set_offset (GIMP_ITEM (layer), x1, y1);
+
+  gimp_image_add_layer (image, layer,
+                        GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+
+  if (text_tool->text_box_fixed)
+    {
+      GimpUnit box_unit = text_tool->proxy->box_unit;
+      gdouble  xres, yres;
+
+      gimp_image_get_resolution (image, &xres, &yres);
+
+      g_object_set (text_tool->proxy,
+                    "box-mode",   GIMP_TEXT_BOX_FIXED,
+                    "box-width",  gimp_pixels_to_units (x2 - x1,
+                                                        box_unit, xres),
+                    "box-height", gimp_pixels_to_units (y2 - y1,
+                                                        box_unit, yres),
+                    NULL);
+
+      gimp_text_tool_apply (text_tool, TRUE); /* unblocks drawing */
+    }
+  else
+    {
+      gimp_text_tool_frame_item (text_tool);
+    }
+
+  gimp_image_undo_group_end (image);
+
+  gimp_image_flush (image);
+
+  gimp_text_tool_set_drawable (text_tool, GIMP_DRAWABLE (layer), FALSE);
+
+  gimp_text_tool_unblock_drawing (text_tool);
+}
+
+#define  RESPONSE_NEW 1
+
+static void
+gimp_text_tool_confirm_response (GtkWidget    *widget,
+                                 gint          response_id,
+                                 GimpTextTool *text_tool)
+{
+  GimpTextLayer *layer = text_tool->layer;
+
+  gtk_widget_destroy (widget);
+
+  if (layer && layer->text)
+    {
+      switch (response_id)
+        {
+        case RESPONSE_NEW:
+          gimp_text_tool_create_layer (text_tool, layer->text);
+          break;
+
+        case GTK_RESPONSE_ACCEPT:
+          gimp_text_tool_connect (text_tool, layer, layer->text);
+
+          /*  cause the text layer to be rerendered  */
+          g_object_notify (G_OBJECT (text_tool->proxy), "markup");
+
+          gimp_text_tool_editor_start (text_tool);
+          break;
+
+        default:
+          break;
+        }
+    }
+}
+
+static void
+gimp_text_tool_confirm_dialog (GimpTextTool *text_tool)
+{
+  GimpTool         *tool  = GIMP_TOOL (text_tool);
+  GimpDisplayShell *shell = gimp_display_get_shell (tool->display);
+  GtkWidget        *dialog;
+  GtkWidget        *vbox;
+  GtkWidget        *label;
+
+  g_return_if_fail (text_tool->layer != NULL);
+
+  if (text_tool->confirm_dialog)
+    {
+      gtk_window_present (GTK_WINDOW (text_tool->confirm_dialog));
+      return;
+    }
+
+  dialog = gimp_viewable_dialog_new (GIMP_VIEWABLE (text_tool->layer),
+                                     GIMP_CONTEXT (gimp_tool_get_options (tool)),
+                                     _("Confirm Text Editing"),
+                                     "gimp-text-tool-confirm",
+                                     GIMP_ICON_LAYER_TEXT_LAYER,
+                                     _("Confirm Text Editing"),
+                                     GTK_WIDGET (shell),
+                                     gimp_standard_help_func, NULL,
+
+                                     _("Create _New Layer"), RESPONSE_NEW,
+                                     _("_Cancel"),           GTK_RESPONSE_CANCEL,
+                                     _("_Edit"),             GTK_RESPONSE_ACCEPT,
+
+                                     NULL);
+
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                           RESPONSE_NEW,
+                                           GTK_RESPONSE_ACCEPT,
+                                           GTK_RESPONSE_CANCEL,
+                                           -1);
+
+  gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+  g_signal_connect (dialog, "response",
+                    G_CALLBACK (gimp_text_tool_confirm_response),
+                    text_tool);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
+  gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+                      vbox, FALSE, FALSE, 0);
+  gtk_widget_show (vbox);
+
+  label = gtk_label_new (_("The layer you selected is a text layer but "
+                           "it has been modified using other tools. "
+                           "Editing the layer with the text tool will "
+                           "discard these modifications."
+                           "\n\n"
+                           "You can edit the layer or create a new "
+                           "text layer from its text attributes."));
+  gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+  gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+  gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+  gtk_widget_show (label);
+
+  gtk_widget_show (dialog);
+
+  text_tool->confirm_dialog = dialog;
+  g_signal_connect_swapped (dialog, "destroy",
+                            G_CALLBACK (g_nullify_pointer),
+                            &text_tool->confirm_dialog);
+}
+
+static void
+gimp_text_tool_layer_changed (GimpImage    *image,
+                              GimpTextTool *text_tool)
+{
+  GimpLayer *layer = gimp_image_get_active_layer (image);
+
+  if (layer != GIMP_LAYER (text_tool->layer))
+    {
+      GimpTool    *tool    = GIMP_TOOL (text_tool);
+      GimpDisplay *display = tool->display;
+
+      if (display)
+        {
+          gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, display);
+
+          if (gimp_text_tool_set_drawable (text_tool, GIMP_DRAWABLE (layer),
+                                           FALSE) &&
+              GIMP_LAYER (text_tool->layer) == layer)
+            {
+              GError *error = NULL;
+
+              if (! gimp_text_tool_start (text_tool, display, layer, &error))
+                {
+                  gimp_text_tool_set_drawable (text_tool, NULL, FALSE);
+
+                  gimp_tool_message_literal (tool, display, error->message);
+
+                  g_clear_error (&error);
+
+                  return;
+                }
+            }
+        }
+    }
+}
+
+static void
+gimp_text_tool_set_image (GimpTextTool *text_tool,
+                          GimpImage    *image)
+{
+  if (text_tool->image == image)
+    return;
+
+  if (text_tool->image)
+    {
+      g_signal_handlers_disconnect_by_func (text_tool->image,
+                                            gimp_text_tool_layer_changed,
+                                            text_tool);
+
+      g_object_remove_weak_pointer (G_OBJECT (text_tool->image),
+                                    (gpointer) &text_tool->image);
+    }
+
+  text_tool->image = image;
+
+  if (image)
+    {
+      GimpTextOptions *options = GIMP_TEXT_TOOL_GET_OPTIONS (text_tool);
+      gdouble          xres;
+      gdouble          yres;
+
+      g_object_add_weak_pointer (G_OBJECT (text_tool->image),
+                                 (gpointer) &text_tool->image);
+
+      g_signal_connect_object (text_tool->image, "active-layer-changed",
+                               G_CALLBACK (gimp_text_tool_layer_changed),
+                               text_tool, 0);
+
+      gimp_image_get_resolution (image, &xres, &yres);
+      gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (options->size_entry), 0,
+                                      yres, FALSE);
+    }
+}
+
+static gboolean
+gimp_text_tool_set_drawable (GimpTextTool *text_tool,
+                             GimpDrawable *drawable,
+                             gboolean      confirm)
+{
+  GimpImage *image = NULL;
+
+  if (text_tool->confirm_dialog)
+    gtk_widget_destroy (text_tool->confirm_dialog);
+
+  if (drawable)
+    image = gimp_item_get_image (GIMP_ITEM (drawable));
+
+  gimp_text_tool_set_image (text_tool, image);
+
+  if (GIMP_IS_TEXT_LAYER (drawable) && GIMP_TEXT_LAYER (drawable)->text)
+    {
+      GimpTextLayer *layer = GIMP_TEXT_LAYER (drawable);
+
+      if (layer == text_tool->layer && layer->text == text_tool->text)
+        return TRUE;
+
+      if (layer->modified)
+        {
+          if (confirm)
+            {
+              gimp_text_tool_connect (text_tool, layer, NULL);
+              gimp_text_tool_confirm_dialog (text_tool);
+              return TRUE;
+            }
+        }
+      else
+        {
+          gimp_text_tool_connect (text_tool, layer, layer->text);
+          return TRUE;
+        }
+    }
+
+  gimp_text_tool_connect (text_tool, NULL, NULL);
+
+  return FALSE;
+}
+
+static void
+gimp_text_tool_block_drawing (GimpTextTool *text_tool)
+{
+  if (text_tool->drawing_blocked == 0)
+    {
+      gimp_draw_tool_pause (GIMP_DRAW_TOOL (text_tool));
+
+      gimp_text_tool_clear_layout (text_tool);
+    }
+
+  text_tool->drawing_blocked++;
+}
+
+static void
+gimp_text_tool_unblock_drawing (GimpTextTool *text_tool)
+{
+  g_return_if_fail (text_tool->drawing_blocked > 0);
+
+  text_tool->drawing_blocked--;
+
+  if (text_tool->drawing_blocked == 0)
+    gimp_draw_tool_resume (GIMP_DRAW_TOOL (text_tool));
+}
+
+static void
+gimp_text_tool_buffer_begin_edit (GimpTextBuffer *buffer,
+                                  GimpTextTool   *text_tool)
+{
+  gimp_text_tool_block_drawing (text_tool);
+}
+
+static void
+gimp_text_tool_buffer_end_edit (GimpTextBuffer *buffer,
+                                GimpTextTool   *text_tool)
+{
+  if (text_tool->text)
+    {
+      gchar *string;
+
+      if (gimp_text_buffer_has_markup (buffer))
+        {
+          string = gimp_text_buffer_get_markup (buffer);
+
+          g_object_set (text_tool->proxy,
+                        "markup", string,
+                        NULL);
+        }
+      else
+        {
+          string = gimp_text_buffer_get_text (buffer);
+
+          g_object_set (text_tool->proxy,
+                        "text", string,
+                        NULL);
+        }
+
+      g_free (string);
+    }
+  else
+    {
+      gimp_text_tool_create_layer (text_tool, NULL);
+    }
+
+  gimp_text_tool_unblock_drawing (text_tool);
+}
+
+static void
+gimp_text_tool_buffer_color_applied (GimpTextBuffer *buffer,
+                                     const GimpRGB  *color,
+                                     GimpTextTool   *text_tool)
+{
+  gimp_palettes_add_color_history (GIMP_TOOL (text_tool)->tool_info->gimp,
+                                   color);
+}
+
+
+/*  public functions  */
+
+void
+gimp_text_tool_clear_layout (GimpTextTool *text_tool)
+{
+  g_clear_object (&text_tool->layout);
+}
+
+gboolean
+gimp_text_tool_ensure_layout (GimpTextTool *text_tool)
+{
+  if (! text_tool->layout && text_tool->text)
+    {
+      GimpImage *image = gimp_item_get_image (GIMP_ITEM (text_tool->layer));
+      gdouble    xres;
+      gdouble    yres;
+      GError    *error = NULL;
+
+      gimp_image_get_resolution (image, &xres, &yres);
+
+      text_tool->layout = gimp_text_layout_new (text_tool->layer->text,
+                                                xres, yres, &error);
+      if (error)
+        {
+          gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
+          g_error_free (error);
+        }
+    }
+
+  return text_tool->layout != NULL;
+}
+
+void
+gimp_text_tool_apply (GimpTextTool *text_tool,
+                      gboolean      push_undo)
+{
+  const GParamSpec *pspec = NULL;
+  GimpImage        *image;
+  GimpTextLayer    *layer;
+  GList            *list;
+  gboolean          undo_group = FALSE;
+
+  if (text_tool->idle_id)
+    {
+      g_source_remove (text_tool->idle_id);
+      text_tool->idle_id = 0;
+
+      gimp_text_tool_unblock_drawing (text_tool);
+    }
+
+  g_return_if_fail (text_tool->text != NULL);
+  g_return_if_fail (text_tool->layer != NULL);
+
+  layer = text_tool->layer;
+  image = gimp_item_get_image (GIMP_ITEM (layer));
+
+  g_return_if_fail (layer->text == text_tool->text);
+
+  /*  Walk over the list of changes and figure out if we are changing
+   *  a single property or need to push a full text undo.
+   */
+  for (list = text_tool->pending;
+       list && list->next && list->next->data == list->data;
+       list = list->next)
+    /* do nothing */;
+
+  if (g_list_length (list) == 1)
+    pspec = list->data;
+
+  /*  If we are changing a single property, we don't need to push
+   *  an undo if all of the following is true:
+   *   - the redo stack is empty
+   *   - the last item on the undo stack is a text undo
+   *   - the last undo changed the same text property on the same layer
+   *   - the last undo happened less than TEXT_UNDO_TIMEOUT seconds ago
+   */
+  if (pspec)
+    {
+      GimpUndo *undo = gimp_image_undo_can_compress (image, GIMP_TYPE_TEXT_UNDO,
+                                                     GIMP_UNDO_TEXT_LAYER);
+
+      if (undo && GIMP_ITEM_UNDO (undo)->item == GIMP_ITEM (layer))
+        {
+          GimpTextUndo *text_undo = GIMP_TEXT_UNDO (undo);
+
+          if (text_undo->pspec == pspec)
+            {
+              if (gimp_undo_get_age (undo) < TEXT_UNDO_TIMEOUT)
+                {
+                  GimpTool    *tool = GIMP_TOOL (text_tool);
+                  GimpContext *context;
+
+                  context = GIMP_CONTEXT (gimp_tool_get_options (tool));
+
+                  push_undo = FALSE;
+                  gimp_undo_reset_age (undo);
+                  gimp_undo_refresh_preview (undo, context);
+                }
+            }
+        }
+    }
+
+  if (push_undo)
+    {
+      if (layer->modified)
+        {
+          undo_group = TRUE;
+          gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_TEXT, NULL);
+
+          gimp_image_undo_push_text_layer_modified (image, NULL, layer);
+
+          /*  see comment in gimp_text_layer_set()  */
+          gimp_image_undo_push_drawable_mod (image, NULL,
+                                             GIMP_DRAWABLE (layer), TRUE);
+        }
+
+      gimp_image_undo_push_text_layer (image, NULL, layer, pspec);
+    }
+
+  gimp_text_tool_apply_list (text_tool, list);
+
+  g_list_free (text_tool->pending);
+  text_tool->pending = NULL;
+
+  if (push_undo)
+    {
+      g_object_set (layer, "modified", FALSE, NULL);
+
+      if (undo_group)
+        gimp_image_undo_group_end (image);
+    }
+
+  gimp_text_tool_frame_item (text_tool);
+
+  gimp_image_flush (image);
+}
+
+gboolean
+gimp_text_tool_set_layer (GimpTextTool *text_tool,
+                          GimpLayer    *layer)
+{
+  g_return_val_if_fail (GIMP_IS_TEXT_TOOL (text_tool), FALSE);
+  g_return_val_if_fail (layer == NULL || GIMP_IS_LAYER (layer), FALSE);
+
+  if (layer == GIMP_LAYER (text_tool->layer))
+    return TRUE;
+
+  /*  FIXME this function works, and I have no clue why: first we set
+   *  the drawable, then we HALT the tool and start() it without
+   *  re-setting the drawable. Why this works perfectly anyway when
+   *  double clicking a text layer in the layers dialog... no idea.
+   */
+  if (gimp_text_tool_set_drawable (text_tool, GIMP_DRAWABLE (layer), TRUE))
+    {
+      GimpTool    *tool = GIMP_TOOL (text_tool);
+      GimpItem    *item = GIMP_ITEM (layer);
+      GimpContext *context;
+      GimpDisplay *display;
+
+      context = gimp_get_user_context (tool->tool_info->gimp);
+      display = gimp_context_get_display (context);
+
+      if (! display ||
+          gimp_display_get_image (display) != gimp_item_get_image (item))
+        {
+          GList *list;
+
+          display = NULL;
+
+          for (list = gimp_get_display_iter (tool->tool_info->gimp);
+               list;
+               list = g_list_next (list))
+            {
+              display = list->data;
+
+              if (gimp_display_get_image (display) == gimp_item_get_image (item))
+                {
+                  gimp_context_set_display (context, display);
+                  break;
+                }
+
+              display = NULL;
+            }
+        }
+
+      if (tool->display)
+        gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
+
+      if (display)
+        {
+          GError *error = NULL;
+
+          if (! gimp_text_tool_start (text_tool, display, layer, &error))
+            {
+              gimp_text_tool_set_drawable (text_tool, NULL, FALSE);
+
+              gimp_tool_message_literal (tool, display, error->message);
+
+              g_clear_error (&error);
+
+              return FALSE;
+            }
+
+          tool->drawable = GIMP_DRAWABLE (layer);
+        }
+    }
+
+  return TRUE;
+}
+
+gboolean
+gimp_text_tool_get_has_text_selection (GimpTextTool *text_tool)
+{
+  GtkTextBuffer *buffer = GTK_TEXT_BUFFER (text_tool->buffer);
+
+  return gtk_text_buffer_get_has_selection (buffer);
+}
+
+void
+gimp_text_tool_delete_selection (GimpTextTool *text_tool)
+{
+  GtkTextBuffer *buffer = GTK_TEXT_BUFFER (text_tool->buffer);
+
+  if (gtk_text_buffer_get_has_selection (buffer))
+    {
+      gtk_text_buffer_delete_selection (buffer, TRUE, TRUE);
+    }
+}
+
+void
+gimp_text_tool_cut_clipboard (GimpTextTool *text_tool)
+{
+  GimpDisplayShell *shell;
+  GtkClipboard     *clipboard;
+
+  g_return_if_fail (GIMP_IS_TEXT_TOOL (text_tool));
+
+  shell = gimp_display_get_shell (GIMP_TOOL (text_tool)->display);
+
+  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (shell),
+                                        GDK_SELECTION_CLIPBOARD);
+
+  gtk_text_buffer_cut_clipboard (GTK_TEXT_BUFFER (text_tool->buffer),
+                                 clipboard, TRUE);
+}
+
+void
+gimp_text_tool_copy_clipboard (GimpTextTool *text_tool)
+{
+  GimpDisplayShell *shell;
+  GtkClipboard     *clipboard;
+
+  g_return_if_fail (GIMP_IS_TEXT_TOOL (text_tool));
+
+  shell = gimp_display_get_shell (GIMP_TOOL (text_tool)->display);
+
+  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (shell),
+                                        GDK_SELECTION_CLIPBOARD);
+
+  /*  need to block "end-user-action" on the text buffer, because
+   *  GtkTextBuffer considers copying text to the clipboard an
+   *  undo-relevant user action, which is clearly a bug, but what
+   *  can we do...
+   */
+  g_signal_handlers_block_by_func (text_tool->buffer,
+                                   gimp_text_tool_buffer_begin_edit,
+                                   text_tool);
+  g_signal_handlers_block_by_func (text_tool->buffer,
+                                   gimp_text_tool_buffer_end_edit,
+                                   text_tool);
+
+  gtk_text_buffer_copy_clipboard (GTK_TEXT_BUFFER (text_tool->buffer),
+                                  clipboard);
+
+  g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                     gimp_text_tool_buffer_end_edit,
+                                     text_tool);
+  g_signal_handlers_unblock_by_func (text_tool->buffer,
+                                     gimp_text_tool_buffer_begin_edit,
+                                     text_tool);
+}
+
+void
+gimp_text_tool_paste_clipboard (GimpTextTool *text_tool)
+{
+  GimpDisplayShell *shell;
+  GtkClipboard     *clipboard;
+
+  g_return_if_fail (GIMP_IS_TEXT_TOOL (text_tool));
+
+  shell = gimp_display_get_shell (GIMP_TOOL (text_tool)->display);
+
+  clipboard = gtk_widget_get_clipboard (GTK_WIDGET (shell),
+                                        GDK_SELECTION_CLIPBOARD);
+
+  gtk_text_buffer_paste_clipboard (GTK_TEXT_BUFFER (text_tool->buffer),
+                                   clipboard, NULL, TRUE);
+}
+
+void
+gimp_text_tool_create_vectors (GimpTextTool *text_tool)
+{
+  GimpVectors *vectors;
+
+  g_return_if_fail (GIMP_IS_TEXT_TOOL (text_tool));
+
+  if (! text_tool->text || ! text_tool->image)
+    return;
+
+  vectors = gimp_text_vectors_new (text_tool->image, text_tool->text);
+
+  if (text_tool->layer)
+    {
+      gint x, y;
+
+      gimp_item_get_offset (GIMP_ITEM (text_tool->layer), &x, &y);
+      gimp_item_translate (GIMP_ITEM (vectors), x, y, FALSE);
+    }
+
+  gimp_image_add_vectors (text_tool->image, vectors,
+                          GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+
+  gimp_image_flush (text_tool->image);
+}
+
+void
+gimp_text_tool_create_vectors_warped (GimpTextTool *text_tool)
+{
+  GimpVectors       *vectors0;
+  GimpVectors       *vectors;
+  gdouble            box_width;
+  gdouble            box_height;
+  GimpTextDirection  dir;
+  gdouble            offset = 0.0;
+
+  g_return_if_fail (GIMP_IS_TEXT_TOOL (text_tool));
+
+  if (! text_tool->text || ! text_tool->image || ! text_tool->layer)
+    return;
+
+  box_width  = gimp_item_get_width  (GIMP_ITEM (text_tool->layer));
+  box_height = gimp_item_get_height (GIMP_ITEM (text_tool->layer));
+
+  vectors0 = gimp_image_get_active_vectors (text_tool->image);
+  if (! vectors0)
+    return;
+
+  vectors = gimp_text_vectors_new (text_tool->image, text_tool->text);
+
+  offset = 0;
+  dir = gimp_text_tool_get_direction (text_tool);
+  switch (dir)
+    {
+    case GIMP_TEXT_DIRECTION_LTR:
+    case GIMP_TEXT_DIRECTION_RTL:
+      offset = 0.5 * box_height;
+      break;
+    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:
+      {
+        GimpStroke *stroke = NULL;
+
+        while ((stroke = gimp_vectors_stroke_get_next (vectors, stroke)))
+          {
+            gimp_stroke_rotate (stroke, 0, 0, 270);
+            gimp_stroke_translate (stroke, 0, box_width);
+          }
+      }
+      offset = 0.5 * box_width;
+      break;
+    }
+
+  gimp_vectors_warp_vectors (vectors0, vectors, offset);
+
+  gimp_item_set_visible (GIMP_ITEM (vectors), TRUE, FALSE);
+
+  gimp_image_add_vectors (text_tool->image, vectors,
+                          GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
+
+  gimp_image_flush (text_tool->image);
+}
+
+GimpTextDirection
+gimp_text_tool_get_direction  (GimpTextTool *text_tool)
+{
+  GimpTextOptions *options = GIMP_TEXT_TOOL_GET_OPTIONS (text_tool);
+  return options->base_dir;
+}