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-rw-r--r--app/tools/gimptexttool.c2388
1 files changed, 2388 insertions, 0 deletions
diff --git a/app/tools/gimptexttool.c b/app/tools/gimptexttool.c
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+++ b/app/tools/gimptexttool.c
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+/* 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;
+}