mirror of
https://gitlab.gnome.org/GNOME/gimp
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47f2a7f8d9
2003-02-01 Sven Neumann <sven@gimp.org> * app/config/gimpconfig.[ch] * app/config/gimpconfig-utils.[ch]: added a reset method to GimpConfigInterface. Added the new function gimp_config_reset() * app/text/gimptext.c: added a GimpConfigInterface to GimpText. * app/widgets/Makefile.am * app/widgets/gimptexteditor.[ch]: new files that hold the simple text editor dialog used by the text tool. * app/widgets/gimppropwidgets.[ch]: added new widget constructor gimp_prop_scale_entry_new(). * app/tools/gimptexttool.[ch]: replaced old-style ToolOptions with a GimpText object. Connect text layers to the text tool by means of their GimpText objects. Still work in progress ...
501 lines
13 KiB
C
501 lines
13 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <gtk/gtk.h>
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#include "libgimpwidgets/gimpwidgets.h"
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#include "tools-types.h"
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#include "core/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpimage.h"
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#include "core/gimptoolinfo.h"
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#include "config/gimpconfig.h"
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#include "config/gimpconfig-utils.h"
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#include "text/gimptext.h"
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#include "text/gimptextlayer.h"
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#include "widgets/gimpfontselection.h"
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#include "widgets/gimppropwidgets.h"
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#include "widgets/gimptexteditor.h"
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#include "widgets/gimpwidgets-utils.h"
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#include "display/gimpdisplay.h"
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#include "gimptexttool.h"
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#include "tool_options.h"
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#include "undo.h"
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#include "libgimp/gimpintl.h"
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/* the text tool structures */
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typedef struct _TextOptions TextOptions;
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struct _TextOptions
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{
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GimpToolOptions tool_options;
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GimpText *text;
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GtkTextBuffer *buffer;
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};
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/* local function prototypes */
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static void gimp_text_tool_class_init (GimpTextToolClass *klass);
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static void gimp_text_tool_init (GimpTextTool *tool);
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static void text_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp);
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static void text_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void text_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void text_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp);
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static void gimp_text_tool_connect (GimpTextTool *tool,
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GimpText *text);
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static void text_tool_create_layer (GimpTextTool *text_tool);
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static GimpToolOptions * text_tool_options_new (GimpToolInfo *tool_info);
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static void text_tool_options_reset (GimpToolOptions *tool_options);
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static void text_tool_editor (GimpTextTool *text_tool);
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static void text_tool_editor_response (GtkWidget *editor,
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GtkResponseType response,
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gpointer data);
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/* local variables */
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static GimpToolClass *parent_class = NULL;
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/* public functions */
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void
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gimp_text_tool_register (GimpToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (GIMP_TYPE_TEXT_TOOL,
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text_tool_options_new,
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FALSE,
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"gimp-text-tool",
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_("Text"),
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_("Add text to the image"),
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N_("/Tools/Text"), "T",
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NULL, "tools/text.html",
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GIMP_STOCK_TOOL_TEXT,
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data);
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}
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GType
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gimp_text_tool_get_type (void)
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{
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static GType tool_type = 0;
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if (! tool_type)
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{
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static const GTypeInfo tool_info =
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{
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sizeof (GimpTextToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_text_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpTextTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_text_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_TOOL,
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"GimpTextTool",
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&tool_info, 0);
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}
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return tool_type;
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}
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/* private functions */
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static void
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gimp_text_tool_class_init (GimpTextToolClass *klass)
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{
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GimpToolClass *tool_class;
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tool_class = GIMP_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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tool_class->control = text_tool_control;
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tool_class->button_press = text_tool_button_press;
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tool_class->button_release = text_tool_button_release;
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tool_class->cursor_update = text_tool_cursor_update;
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}
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static void
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gimp_text_tool_init (GimpTextTool *text_tool)
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{
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GimpTool *tool = GIMP_TOOL (text_tool);
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text_tool->text = NULL;
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gimp_tool_control_set_scroll_lock (tool->control, TRUE);
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gimp_tool_control_set_tool_cursor (tool->control, GIMP_TEXT_TOOL_CURSOR);
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}
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static void
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text_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp)
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{
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switch (action)
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{
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case PAUSE:
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break;
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case RESUME:
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break;
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case HALT:
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if (GIMP_TEXT_TOOL (tool)->editor)
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gtk_widget_destroy (GIMP_TEXT_TOOL (tool)->editor);
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gimp_text_tool_connect (GIMP_TEXT_TOOL (tool), NULL);
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break;
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default:
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break;
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}
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GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
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}
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static void
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text_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GimpTextTool *text_tool;
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GimpDrawable *drawable;
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GimpText *text = NULL;
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text_tool = GIMP_TEXT_TOOL (tool);
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text_tool->gdisp = gdisp;
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gimp_tool_control_activate (tool->control);
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tool->gdisp = gdisp;
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text_tool->click_x = coords->x;
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text_tool->click_y = coords->y;
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drawable = gimp_image_active_drawable (gdisp->gimage);
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if (drawable && GIMP_IS_TEXT_LAYER (drawable))
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{
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coords->x -= drawable->offset_x;
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coords->y -= drawable->offset_y;
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if (coords->x > 0 && coords->x < drawable->width &&
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coords->y > 0 && coords->y < drawable->height)
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{
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text = gimp_text_layer_get_text (GIMP_TEXT_LAYER (drawable));
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}
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}
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if (!text || text == text_tool->text)
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text_tool_editor (text_tool);
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gimp_text_tool_connect (GIMP_TEXT_TOOL (tool), text);
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}
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static void
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text_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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/* gimp_tool_control_halt (tool->control); */
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}
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static void
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text_tool_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *gdisp)
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{
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GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
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}
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static void
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text_tool_create_layer (GimpTextTool *text_tool)
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{
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TextOptions *options;
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GimpImage *gimage;
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GimpText *text;
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GimpLayer *layer;
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g_return_if_fail (text_tool->text == NULL);
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gimage = text_tool->gdisp->gimage;
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options = (TextOptions *) GIMP_TOOL (text_tool)->tool_info->tool_options;
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text = GIMP_TEXT (gimp_config_duplicate (G_OBJECT (options->text)));
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gimp_text_tool_connect (text_tool, text);
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layer = gimp_text_layer_new (gimage, text);
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g_object_unref (text);
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if (!layer)
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return;
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undo_push_group_start (gimage, TEXT_UNDO_GROUP);
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GIMP_DRAWABLE (layer)->offset_x = text_tool->click_x;
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GIMP_DRAWABLE (layer)->offset_y = text_tool->click_y;
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gimp_image_add_layer (gimage, layer, -1);
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undo_push_group_end (gimage);
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gimp_image_flush (gimage);
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}
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static void
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gimp_text_tool_notify (GObject *tool,
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GParamSpec *param_spec,
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GObject *text)
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{
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GValue value = { 0, };
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g_value_init (&value, param_spec->value_type);
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g_object_get_property (tool, param_spec->name, &value);
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g_object_set_property (text, param_spec->name, &value);
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g_value_unset (&value);
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}
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static void
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gimp_text_tool_connect (GimpTextTool *tool,
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GimpText *text)
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{
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TextOptions *options;
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if (tool->text == text)
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return;
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options = (TextOptions *) GIMP_TOOL (tool)->tool_info->tool_options;
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if (tool->text)
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{
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g_signal_handlers_disconnect_by_func (options->text,
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gimp_text_tool_notify,
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tool->text);
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g_object_unref (tool->text);
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tool->text = NULL;
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}
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if (text)
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{
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tool->text = g_object_ref (text);
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gimp_config_copy_properties (G_OBJECT (tool->text),
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G_OBJECT (options->text));
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g_signal_connect (options->text, "notify",
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G_CALLBACK (gimp_text_tool_notify),
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tool->text);
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}
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}
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/* tool options stuff */
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static GimpToolOptions *
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text_tool_options_new (GimpToolInfo *tool_info)
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{
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TextOptions *options;
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GObject *text;
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GtkWidget *vbox;
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GtkWidget *table;
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GtkWidget *button;
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GtkWidget *unit_menu;
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GtkWidget *font_selection;
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GtkWidget *spin_button;
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options = g_new0 (TextOptions, 1);
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tool_options_init ((GimpToolOptions *) options, tool_info);
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((GimpToolOptions *) options)->reset_func = text_tool_options_reset;
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text = g_object_new (GIMP_TYPE_TEXT, NULL);
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options->text = GIMP_TEXT (text);
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options->buffer = gimp_prop_text_buffer_new (text, "text", -1);
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/* the main vbox */
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vbox = options->tool_options.main_vbox;
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table = gtk_table_new (4, 5, FALSE);
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gtk_table_set_col_spacings (GTK_TABLE (table), 2);
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gtk_table_set_row_spacings (GTK_TABLE (table), 2);
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gtk_table_set_row_spacing (GTK_TABLE (table), 3, 12);
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gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (table), FALSE, FALSE, 0);
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gtk_widget_show (table);
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font_selection = gimp_font_selection_new (NULL);
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gimp_font_selection_set_fontname (GIMP_FONT_SELECTION (font_selection),
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options->text->font);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
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_("Font:"), 1.0, 0.5,
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font_selection, 2, FALSE);
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gtk_widget_set_sensitive (font_selection, FALSE);
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gimp_prop_scale_entry_new (text, "font-size",
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GTK_TABLE (table), 0, 1,
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_("_Size:"), 1.0, 50.0, 1);
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unit_menu = gimp_unit_menu_new ("%a", GIMP_TEXT (text)->font_size_unit,
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TRUE, FALSE, TRUE);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
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_("Unit:"), 1.0, 0.5, unit_menu, 2, TRUE);
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gtk_widget_set_sensitive (unit_menu, FALSE);
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#if 0
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g_object_set_data (G_OBJECT (unit_menu), "set_digits",
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size_spinbutton);
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g_signal_connect (options->unit_w, "unit_changed",
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G_CALLBACK (gimp_unit_menu_update),
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&unit);
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#endif
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button = gimp_prop_color_button_new (text, "color", _("Text Color"),
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48, 24, GIMP_COLOR_AREA_FLAT);
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gimp_table_attach_aligned (GTK_TABLE (table), 0, 3,
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_("Color:"), 1.0, 0.5, button, 2, TRUE);
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spin_button = gimp_prop_spin_button_new (text, "letter-spacing", 0.1, 1.0, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (spin_button), 5);
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gimp_table_attach_stock (GTK_TABLE (table), 0, 4,
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GIMP_STOCK_LETTER_SPACING, spin_button);
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spin_button = gimp_prop_spin_button_new (text, "line-spacing", 0.1, 1.0, 2);
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gtk_entry_set_width_chars (GTK_ENTRY (spin_button), 5);
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gimp_table_attach_stock (GTK_TABLE (table), 0, 5,
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GIMP_STOCK_LINE_SPACING, spin_button);
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return (GimpToolOptions *) options;
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}
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static void
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text_tool_options_reset (GimpToolOptions *tool_options)
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{
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TextOptions *options = (TextOptions *) tool_options;
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gimp_config_reset (G_OBJECT (options->text));
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}
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/* text editor */
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static void
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text_tool_editor (GimpTextTool *text_tool)
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{
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TextOptions *options;
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if (text_tool->editor)
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{
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gtk_window_present (GTK_WINDOW (text_tool->editor));
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return;
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}
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options = (TextOptions *) GIMP_TOOL (text_tool)->tool_info->tool_options;
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text_tool->editor = gimp_text_editor_new (options->buffer,
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_("GIMP Text Editor"),
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text_tool_editor_response,
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text_tool);
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g_object_add_weak_pointer (G_OBJECT (text_tool->editor),
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(gpointer *) &text_tool->editor);
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gtk_widget_show (text_tool->editor);
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}
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static void
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text_tool_editor_response (GtkWidget *editor,
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GtkResponseType response,
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gpointer data)
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{
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gtk_widget_destroy (editor);
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switch (response)
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{
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case GTK_RESPONSE_OK:
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{
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GimpTextTool *text_tool = GIMP_TEXT_TOOL (data);
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if (! text_tool->text)
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text_tool_create_layer (text_tool);
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}
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break;
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default:
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break;
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}
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}
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