Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 582 insertions, 0 deletions

diff --git a/app/tools/gimppaintoptions-gui.c b/app/tools/gimppaintoptions-gui.c
new file mode 100644
index 0000000..211270f
--- /dev/null
+++ b/app/tools/gimppaintoptions-gui.c
@@ -0,0 +1,582 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "tools-types.h"
+
+#include "core/gimptoolinfo.h"
+
+#include "paint/gimppaintoptions.h"
+
+#include "widgets/gimplayermodebox.h"
+#include "widgets/gimppropwidgets.h"
+#include "widgets/gimpspinscale.h"
+#include "widgets/gimpviewablebox.h"
+#include "widgets/gimpwidgets-constructors.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "gimpairbrushtool.h"
+#include "gimpclonetool.h"
+#include "gimpconvolvetool.h"
+#include "gimpdodgeburntool.h"
+#include "gimperasertool.h"
+#include "gimphealtool.h"
+#include "gimpinktool.h"
+#include "gimpmybrushtool.h"
+#include "gimppaintoptions-gui.h"
+#include "gimppenciltool.h"
+#include "gimpperspectiveclonetool.h"
+#include "gimpsmudgetool.h"
+#include "gimptooloptions-gui.h"
+
+#include "gimp-intl.h"
+
+
+static void gimp_paint_options_gui_reset_size  (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+static void gimp_paint_options_gui_reset_aspect_ratio
+                                               (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+static void gimp_paint_options_gui_reset_angle (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+static void gimp_paint_options_gui_reset_spacing
+                                               (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+static void gimp_paint_options_gui_reset_hardness
+                                               (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+static void gimp_paint_options_gui_reset_force (GtkWidget        *button,
+                                                GimpPaintOptions *paint_options);
+
+static GtkWidget * dynamics_options_gui        (GimpPaintOptions *paint_options,
+                                                GType             tool_type);
+static GtkWidget * jitter_options_gui          (GimpPaintOptions *paint_options,
+                                                GType             tool_type);
+static GtkWidget * smoothing_options_gui       (GimpPaintOptions *paint_options,
+                                                GType             tool_type);
+
+static GtkWidget * gimp_paint_options_gui_scale_with_buttons
+                                               (GObject      *config,
+                                                gchar        *prop_name,
+                                                gchar        *link_prop_name,
+                                                gchar        *reset_tooltip,
+                                                gdouble       step_increment,
+                                                gdouble       page_increment,
+                                                gint          digits,
+                                                gdouble       scale_min,
+                                                gdouble       scale_max,
+                                                gdouble       factor,
+                                                gdouble       gamma,
+                                                GCallback     reset_callback,
+                                                GtkSizeGroup *link_group);
+
+
+/*  public functions  */
+
+GtkWidget *
+gimp_paint_options_gui (GimpToolOptions *tool_options)
+{
+  GObject          *config  = G_OBJECT (tool_options);
+  GimpPaintOptions *options = GIMP_PAINT_OPTIONS (tool_options);
+  GtkWidget        *vbox    = gimp_tool_options_gui (tool_options);
+  GtkWidget        *menu;
+  GtkWidget        *scale;
+  GType             tool_type;
+
+  tool_type = tool_options->tool_info->tool_type;
+
+  /*  the paint mode menu  */
+  menu = gimp_prop_layer_mode_box_new (config, "paint-mode",
+                                       GIMP_LAYER_MODE_CONTEXT_PAINT);
+  gimp_layer_mode_box_set_label (GIMP_LAYER_MODE_BOX (menu), _("Mode"));
+  gimp_layer_mode_box_set_ellipsize (GIMP_LAYER_MODE_BOX (menu),
+                                     PANGO_ELLIPSIZE_END);
+  gtk_box_pack_start (GTK_BOX (vbox), menu, FALSE, FALSE, 0);
+  gtk_widget_show (menu);
+
+  g_object_set_data (G_OBJECT (vbox),
+                     "gimp-paint-options-gui-paint-mode-box", menu);
+
+  if (tool_type == GIMP_TYPE_ERASER_TOOL     ||
+      tool_type == GIMP_TYPE_CONVOLVE_TOOL   ||
+      tool_type == GIMP_TYPE_DODGE_BURN_TOOL ||
+      tool_type == GIMP_TYPE_HEAL_TOOL       ||
+      tool_type == GIMP_TYPE_MYBRUSH_TOOL    ||
+      tool_type == GIMP_TYPE_SMUDGE_TOOL)
+    {
+      gtk_widget_set_sensitive (menu, FALSE);
+    }
+
+  /*  the opacity scale  */
+  scale = gimp_prop_spin_scale_new (config, "opacity", NULL,
+                                    0.01, 0.1, 0);
+  gimp_prop_widget_set_factor (scale, 100.0, 0.0, 0.0, 1);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
+  gtk_widget_show (scale);
+
+  /*  temp debug foo, disabled in stable  */
+  if (FALSE &&
+      g_type_is_a (tool_type, GIMP_TYPE_PAINT_TOOL) &&
+      tool_type != GIMP_TYPE_MYBRUSH_TOOL)
+    {
+      GtkWidget *button;
+
+      button = gimp_prop_check_button_new (config, "use-applicator", NULL);
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+    }
+
+  /*  the brush  */
+  if (g_type_is_a (tool_type, GIMP_TYPE_BRUSH_TOOL))
+    {
+      GtkSizeGroup *link_group;
+      GtkWidget    *button;
+      GtkWidget    *frame;
+      GtkWidget    *hbox;
+
+      button = gimp_prop_brush_box_new (NULL, GIMP_CONTEXT (tool_options),
+                                        _("Brush"), 2,
+                                        "brush-view-type", "brush-view-size",
+                                        "gimp-brush-editor",
+                                        _("Edit this brush"));
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+
+      link_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-size", "brush-link-size",
+         _("Reset size to brush's native size"),
+         1.0, 10.0, 2, 1.0, 1000.0, 1.0, 1.7,
+         G_CALLBACK (gimp_paint_options_gui_reset_size), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-aspect-ratio", "brush-link-aspect-ratio",
+         _("Reset aspect ratio to brush's native aspect ratio"),
+         0.1, 1.0, 2, -20.0, 20.0, 1.0, 1.0,
+         G_CALLBACK (gimp_paint_options_gui_reset_aspect_ratio), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-angle", "brush-link-angle",
+         _("Reset angle to brush's native angle"),
+         0.1, 1.0, 2, -180.0, 180.0, 1.0, 1.0,
+         G_CALLBACK (gimp_paint_options_gui_reset_angle), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-spacing", "brush-link-spacing",
+         _("Reset spacing to brush's native spacing"),
+         0.1, 1.0, 1, 1.0, 200.0, 100.0, 1.7,
+         G_CALLBACK (gimp_paint_options_gui_reset_spacing), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-hardness", "brush-link-hardness",
+         _("Reset hardness to brush's native hardness"),
+         0.1, 1.0, 1, 0.0, 100.0, 100.0, 1.0,
+         G_CALLBACK (gimp_paint_options_gui_reset_hardness), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      hbox = gimp_paint_options_gui_scale_with_buttons
+        (config, "brush-force", NULL,
+         _("Reset force to default"),
+         0.1, 1.0, 1, 0.0, 100.0, 100.0, 1.0,
+         G_CALLBACK (gimp_paint_options_gui_reset_force), link_group);
+      gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+      gtk_widget_show (hbox);
+
+      if (tool_type == GIMP_TYPE_PENCIL_TOOL)
+        gtk_widget_set_sensitive (hbox, FALSE);
+
+      g_object_unref (link_group);
+
+      button = gimp_prop_dynamics_box_new (NULL, GIMP_CONTEXT (tool_options),
+                                           _("Dynamics"), 2,
+                                           "dynamics-view-type",
+                                           "dynamics-view-size",
+                                           "gimp-dynamics-editor",
+                                           _("Edit this dynamics"));
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+
+      frame = dynamics_options_gui (options, tool_type);
+      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+      gtk_widget_show (frame);
+
+      frame = jitter_options_gui (options, tool_type);
+      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+      gtk_widget_show (frame);
+    }
+
+  /*  the "smooth stroke" options  */
+  if (g_type_is_a (tool_type, GIMP_TYPE_PAINT_TOOL))
+    {
+      GtkWidget *frame;
+
+      frame = smoothing_options_gui (options, tool_type);
+      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
+      gtk_widget_show (frame);
+    }
+
+  /*  the "Lock brush to view" toggle  */
+  if (g_type_is_a (tool_type, GIMP_TYPE_BRUSH_TOOL))
+    {
+      GtkWidget *button;
+
+      button = gimp_prop_check_button_new (config, "brush-lock-to-view", NULL);
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+    }
+
+  /*  the "incremental" toggle  */
+  if (tool_type == GIMP_TYPE_PENCIL_TOOL     ||
+      tool_type == GIMP_TYPE_PAINTBRUSH_TOOL ||
+      tool_type == GIMP_TYPE_ERASER_TOOL     ||
+      tool_type == GIMP_TYPE_DODGE_BURN_TOOL)
+    {
+      GtkWidget *button;
+
+      button = gimp_prop_enum_check_button_new (config, "application-mode",
+                                                NULL,
+                                                GIMP_PAINT_CONSTANT,
+                                                GIMP_PAINT_INCREMENTAL);
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+    }
+
+  /* the "hard edge" toggle */
+  if (tool_type == GIMP_TYPE_ERASER_TOOL            ||
+      tool_type == GIMP_TYPE_CLONE_TOOL             ||
+      tool_type == GIMP_TYPE_HEAL_TOOL              ||
+      tool_type == GIMP_TYPE_PERSPECTIVE_CLONE_TOOL ||
+      tool_type == GIMP_TYPE_CONVOLVE_TOOL          ||
+      tool_type == GIMP_TYPE_DODGE_BURN_TOOL        ||
+      tool_type == GIMP_TYPE_SMUDGE_TOOL)
+    {
+      GtkWidget *button;
+
+      button = gimp_prop_check_button_new (config, "hard", NULL);
+      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+      gtk_widget_show (button);
+    }
+
+  return vbox;
+}
+
+GtkWidget *
+gimp_paint_options_gui_get_paint_mode_box (GtkWidget *options_gui)
+{
+  return g_object_get_data (G_OBJECT (options_gui),
+                            "gimp-paint-options-gui-paint-mode-box");
+}
+
+
+/*  private functions  */
+
+static GtkWidget *
+dynamics_options_gui (GimpPaintOptions *paint_options,
+                      GType             tool_type)
+{
+  GObject   *config = G_OBJECT (paint_options);
+  GtkWidget *frame;
+  GtkWidget *inner_frame;
+  GtkWidget *scale;
+  GtkWidget *menu;
+  GtkWidget *combo;
+  GtkWidget *checkbox;
+  GtkWidget *vbox;
+  GtkWidget *inner_vbox;
+  GtkWidget *hbox;
+  GtkWidget *box;
+
+  frame = gimp_prop_expander_new (config, "dynamics-expanded", NULL);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+  gtk_container_add (GTK_CONTAINER (frame), vbox);
+  gtk_widget_show (vbox);
+
+  inner_frame = gimp_frame_new (_("Fade Options"));
+  gtk_box_pack_start (GTK_BOX (vbox), inner_frame, FALSE, FALSE, 0);
+  gtk_widget_show (inner_frame);
+
+  inner_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+  gtk_container_add (GTK_CONTAINER (inner_frame), inner_vbox);
+  gtk_widget_show (inner_vbox);
+
+  /*  the fade-out scale & unitmenu  */
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
+  gtk_box_pack_start (GTK_BOX (inner_vbox), hbox, FALSE, FALSE, 0);
+  gtk_widget_show (hbox);
+
+  scale = gimp_prop_spin_scale_new (config, "fade-length", NULL,
+                                    1.0, 50.0, 0);
+  gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (scale), 1.0, 1000.0);
+  gtk_box_pack_start (GTK_BOX (hbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  menu = gimp_prop_unit_combo_box_new (config, "fade-unit");
+  gtk_box_pack_start (GTK_BOX (hbox), menu, FALSE, FALSE, 0);
+  gtk_widget_show (menu);
+
+#if 0
+  /* FIXME pixel digits */
+  g_object_set_data (G_OBJECT (menu), "set_digits", spinbutton);
+  gimp_unit_menu_set_pixel_digits (GIMP_UNIT_MENU (menu), 0);
+#endif
+
+  /*  the repeat type  */
+  combo = gimp_prop_enum_combo_box_new (config, "fade-repeat", 0, 0);
+  gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo), _("Repeat"));
+  g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
+  gtk_box_pack_start (GTK_BOX (inner_vbox), combo, TRUE, TRUE, 0);
+  gtk_widget_show (combo);
+
+  checkbox = gimp_prop_check_button_new (config, "fade-reverse", NULL);
+  gtk_box_pack_start (GTK_BOX (inner_vbox), checkbox, FALSE, FALSE, 0);
+  gtk_widget_show (checkbox);
+
+  /* Color UI */
+  if (g_type_is_a (tool_type, GIMP_TYPE_PAINTBRUSH_TOOL) ||
+      tool_type == GIMP_TYPE_SMUDGE_TOOL)
+    {
+      inner_frame = gimp_frame_new (_("Color Options"));
+      gtk_box_pack_start (GTK_BOX (vbox), inner_frame, FALSE, FALSE, 0);
+      gtk_widget_show (inner_frame);
+
+      inner_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+      gtk_container_add (GTK_CONTAINER (inner_frame), inner_vbox);
+      gtk_widget_show (inner_vbox);
+
+      box = gimp_prop_gradient_box_new (NULL, GIMP_CONTEXT (config),
+                                        _("Gradient"), 2,
+                                        "gradient-view-type",
+                                        "gradient-view-size",
+                                        "gradient-reverse",
+                                        "gradient-blend-color-space",
+                                        "gimp-gradient-editor",
+                                        _("Edit this gradient"));
+      gtk_box_pack_start (GTK_BOX (inner_vbox), box, FALSE, FALSE, 0);
+      gtk_widget_show (box);
+
+      /*  the blend color space  */
+      combo = gimp_prop_enum_combo_box_new (config, "gradient-blend-color-space",
+                                            0, 0);
+      gimp_int_combo_box_set_label (GIMP_INT_COMBO_BOX (combo),
+                                    _("Blend Color Space"));
+      g_object_set (combo, "ellipsize", PANGO_ELLIPSIZE_END, NULL);
+      gtk_box_pack_start (GTK_BOX (inner_vbox), combo, TRUE, TRUE, 0);
+      gtk_widget_show (combo);
+    }
+
+  return frame;
+}
+
+static GtkWidget *
+jitter_options_gui (GimpPaintOptions *paint_options,
+                    GType             tool_type)
+{
+  GObject   *config = G_OBJECT (paint_options);
+  GtkWidget *frame;
+  GtkWidget *scale;
+
+  scale = gimp_prop_spin_scale_new (config, "jitter-amount", NULL,
+                                    0.01, 1.0, 2);
+  gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (scale), 0.0, 5.0);
+
+  frame = gimp_prop_expanding_frame_new (config, "use-jitter", NULL,
+                                         scale, NULL);
+
+  return frame;
+}
+
+static GtkWidget *
+smoothing_options_gui (GimpPaintOptions *paint_options,
+                       GType             tool_type)
+{
+  GObject   *config = G_OBJECT (paint_options);
+  GtkWidget *frame;
+  GtkWidget *vbox;
+  GtkWidget *scale;
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+
+  frame = gimp_prop_expanding_frame_new (config, "use-smoothing", NULL,
+                                         vbox, NULL);
+
+  scale = gimp_prop_spin_scale_new (config, "smoothing-quality", NULL,
+                                    1, 10, 1);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
+  gtk_widget_show (scale);
+
+  scale = gimp_prop_spin_scale_new (config, "smoothing-factor", NULL,
+                                    1, 10, 1);
+  gtk_box_pack_start (GTK_BOX (vbox), scale, FALSE, FALSE, 0);
+  gtk_widget_show (scale);
+
+  return frame;
+}
+
+static void
+gimp_paint_options_gui_reset_size (GtkWidget        *button,
+                                   GimpPaintOptions *paint_options)
+{
+  GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+  if (brush)
+    gimp_paint_options_set_default_brush_size (paint_options, brush);
+}
+
+static void
+gimp_paint_options_gui_reset_aspect_ratio (GtkWidget        *button,
+                                           GimpPaintOptions *paint_options)
+{
+  GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+  if (brush)
+    gimp_paint_options_set_default_brush_aspect_ratio (paint_options, brush);
+}
+
+static void
+gimp_paint_options_gui_reset_angle (GtkWidget        *button,
+                                    GimpPaintOptions *paint_options)
+{
+  GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+  if (brush)
+    gimp_paint_options_set_default_brush_angle (paint_options, brush);
+}
+
+static void
+gimp_paint_options_gui_reset_spacing (GtkWidget        *button,
+                                      GimpPaintOptions *paint_options)
+{
+  GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+  if (brush)
+    gimp_paint_options_set_default_brush_spacing (paint_options, brush);
+}
+
+static void
+gimp_paint_options_gui_reset_hardness (GtkWidget        *button,
+                                       GimpPaintOptions *paint_options)
+{
+  GimpBrush *brush = gimp_context_get_brush (GIMP_CONTEXT (paint_options));
+
+  if (brush)
+    gimp_paint_options_set_default_brush_hardness (paint_options, brush);
+}
+
+static void
+gimp_paint_options_gui_reset_force (GtkWidget        *button,
+                                    GimpPaintOptions *paint_options)
+{
+  g_object_set (paint_options,
+                "brush-force", 0.5,
+                NULL);
+}
+
+static GtkWidget *
+gimp_paint_options_gui_scale_with_buttons (GObject      *config,
+                                           gchar        *prop_name,
+                                           gchar        *link_prop_name,
+                                           gchar        *reset_tooltip,
+                                           gdouble       step_increment,
+                                           gdouble       page_increment,
+                                           gint          digits,
+                                           gdouble       scale_min,
+                                           gdouble       scale_max,
+                                           gdouble       factor,
+                                           gdouble       gamma,
+                                           GCallback     reset_callback,
+                                           GtkSizeGroup *link_group)
+{
+  GtkWidget *scale;
+  GtkWidget *hbox;
+  GtkWidget *button;
+
+  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+
+  scale = gimp_prop_spin_scale_new (config, prop_name, NULL,
+                                    step_increment, page_increment, digits);
+  gimp_spin_scale_set_constrain_drag (GIMP_SPIN_SCALE (scale), TRUE);
+
+  gimp_prop_widget_set_factor (scale, factor,
+                               step_increment, page_increment, digits);
+  gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (scale),
+                                    scale_min, scale_max);
+  gimp_spin_scale_set_gamma (GIMP_SPIN_SCALE (scale), gamma);
+  gtk_box_pack_start (GTK_BOX (hbox), scale, TRUE, TRUE, 0);
+  gtk_widget_show (scale);
+
+  button = gimp_icon_button_new (GIMP_ICON_RESET, NULL);
+  gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+  gtk_image_set_from_icon_name (GTK_IMAGE (gtk_bin_get_child (GTK_BIN (button))),
+                                GIMP_ICON_RESET, GTK_ICON_SIZE_MENU);
+  gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+  gtk_widget_show (button);
+
+  g_signal_connect (button, "clicked",
+                    reset_callback,
+                    config);
+
+  gimp_help_set_help_data (button,
+                           reset_tooltip, NULL);
+
+  if (link_prop_name)
+    {
+      GtkWidget *image;
+
+      button = gtk_toggle_button_new ();
+      gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+
+      image = gtk_image_new_from_icon_name (GIMP_ICON_LINKED,
+                                            GTK_ICON_SIZE_MENU);
+      gtk_container_add (GTK_CONTAINER (button), image);
+      gtk_widget_show (image);
+
+      g_object_bind_property (config, link_prop_name,
+                              button, "active",
+                              G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
+    }
+  else
+    {
+      button = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+    }
+
+  gtk_size_group_add_widget (link_group, button);
+
+  gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+  gtk_widget_show (button);
+
+  gimp_help_set_help_data (button,
+                           _("Link to brush default"), NULL);
+
+  return hbox;
+}