235 lines
8.1 KiB
C
235 lines
8.1 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikawidgets/pikawidgets.h"
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#include "tools-types.h"
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#include "paint/pikaconvolveoptions.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikapropwidgets.h"
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#include "widgets/pikawidgets-utils.h"
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#include "pikaconvolvetool.h"
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#include "pikapaintoptions-gui.h"
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#include "pikatoolcontrol.h"
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#include "pika-intl.h"
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static void pika_convolve_tool_modifier_key (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display);
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static void pika_convolve_tool_cursor_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display);
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static void pika_convolve_tool_oper_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display);
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static void pika_convolve_tool_status_update (PikaTool *tool,
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PikaConvolveType type);
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static GtkWidget * pika_convolve_options_gui (PikaToolOptions *options);
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G_DEFINE_TYPE (PikaConvolveTool, pika_convolve_tool, PIKA_TYPE_BRUSH_TOOL)
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#define parent_class pika_convolve_tool_parent_class
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void
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pika_convolve_tool_register (PikaToolRegisterCallback callback,
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gpointer data)
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{
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(* callback) (PIKA_TYPE_CONVOLVE_TOOL,
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PIKA_TYPE_CONVOLVE_OPTIONS,
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pika_convolve_options_gui,
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PIKA_PAINT_OPTIONS_CONTEXT_MASK |
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PIKA_CONTEXT_PROP_MASK_PATTERN |
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PIKA_CONTEXT_PROP_MASK_EXPAND,
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"pika-convolve-tool",
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_("Blur / Sharpen"),
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_("Blur / Sharpen Tool: Selective blurring or unblurring using a brush"),
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N_("Bl_ur / Sharpen"), "<shift>U",
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NULL, PIKA_HELP_TOOL_CONVOLVE,
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PIKA_ICON_TOOL_BLUR,
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data);
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}
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static void
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pika_convolve_tool_class_init (PikaConvolveToolClass *klass)
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{
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PikaToolClass *tool_class = PIKA_TOOL_CLASS (klass);
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tool_class->modifier_key = pika_convolve_tool_modifier_key;
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tool_class->cursor_update = pika_convolve_tool_cursor_update;
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tool_class->oper_update = pika_convolve_tool_oper_update;
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}
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static void
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pika_convolve_tool_init (PikaConvolveTool *convolve)
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{
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PikaTool *tool = PIKA_TOOL (convolve);
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pika_tool_control_set_tool_cursor (tool->control,
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PIKA_TOOL_CURSOR_BLUR);
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pika_tool_control_set_toggle_cursor_modifier (tool->control,
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PIKA_CURSOR_MODIFIER_MINUS);
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pika_convolve_tool_status_update (tool, PIKA_CONVOLVE_BLUR);
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}
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static void
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pika_convolve_tool_modifier_key (PikaTool *tool,
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GdkModifierType key,
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gboolean press,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaConvolveTool *convolve = PIKA_CONVOLVE_TOOL (tool);
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PikaConvolveOptions *options = PIKA_CONVOLVE_TOOL_GET_OPTIONS (tool);
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GdkModifierType line_mask = PIKA_PAINT_TOOL_LINE_MASK;
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GdkModifierType toggle_mask = pika_get_toggle_behavior_mask ();
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if (((key == toggle_mask) &&
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! (state & line_mask) && /* leave stuff untouched in line draw mode */
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press != convolve->toggled)
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||
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(key == line_mask && /* toggle back after keypresses CTRL(hold)-> */
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! press && /* SHIFT(hold)->CTRL(release)->SHIFT(release) */
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convolve->toggled &&
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! (state & toggle_mask)))
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{
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convolve->toggled = press;
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switch (options->type)
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{
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case PIKA_CONVOLVE_BLUR:
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g_object_set (options, "type", PIKA_CONVOLVE_SHARPEN, NULL);
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break;
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case PIKA_CONVOLVE_SHARPEN:
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g_object_set (options, "type", PIKA_CONVOLVE_BLUR, NULL);
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break;
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}
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}
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}
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static void
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pika_convolve_tool_cursor_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaConvolveOptions *options = PIKA_CONVOLVE_TOOL_GET_OPTIONS (tool);
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pika_tool_control_set_toggled (tool->control,
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options->type == PIKA_CONVOLVE_SHARPEN);
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PIKA_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
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}
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static void
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pika_convolve_tool_oper_update (PikaTool *tool,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display)
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{
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PikaConvolveOptions *options = PIKA_CONVOLVE_TOOL_GET_OPTIONS (tool);
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pika_convolve_tool_status_update (tool, options->type);
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PIKA_TOOL_CLASS (parent_class)->oper_update (tool, coords, state, proximity,
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display);
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}
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static void
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pika_convolve_tool_status_update (PikaTool *tool,
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PikaConvolveType type)
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{
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PikaPaintTool *paint_tool = PIKA_PAINT_TOOL (tool);
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switch (type)
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{
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case PIKA_CONVOLVE_BLUR:
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paint_tool->status = _("Click to blur");
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paint_tool->status_line = _("Click to blur the line");
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paint_tool->status_ctrl = _("%s to sharpen");
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break;
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case PIKA_CONVOLVE_SHARPEN:
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paint_tool->status = _("Click to sharpen");
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paint_tool->status_line = _("Click to sharpen the line");
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paint_tool->status_ctrl = _("%s to blur");
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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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/* tool options stuff */
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static GtkWidget *
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pika_convolve_options_gui (PikaToolOptions *tool_options)
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{
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GObject *config = G_OBJECT (tool_options);
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GtkWidget *vbox = pika_paint_options_gui (tool_options);
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GtkWidget *frame;
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GtkWidget *scale;
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gchar *str;
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GdkModifierType toggle_mask;
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toggle_mask = pika_get_toggle_behavior_mask ();
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/* the type radio box */
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str = g_strdup_printf (_("Convolve Type (%s)"),
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pika_get_mod_string (toggle_mask));
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frame = pika_prop_enum_radio_frame_new (config, "type",
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str, 0, 0);
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gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
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g_free (str);
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/* the rate scale */
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scale = pika_prop_spin_scale_new (config, "rate",
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1.0, 10.0, 1);
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gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
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return vbox;
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}
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