static void gimp_levels_tool_dialog (GimpImageMapTool *im_tool) { GimpLevelsTool *tool = GIMP_LEVELS_TOOL (im_tool); GimpToolOptions *tool_options = GIMP_TOOL_GET_OPTIONS (im_tool); GimpLevelsConfig *config = GIMP_LEVELS_CONFIG (im_tool->config); GtkListStore *store; GtkWidget *main_vbox; GtkWidget *frame_vbox; GtkWidget *vbox; GtkWidget *vbox2; GtkWidget *vbox3; GtkWidget *hbox; GtkWidget *hbox2; GtkWidget *label; GtkWidget *main_frame; GtkWidget *frame; GtkWidget *button; GtkWidget *spinbutton; GtkAdjustment *adjustment; GtkWidget *bar; GtkWidget *handle_bar; gint border; g_signal_connect (im_tool->settings_box, "file-dialog-setup", G_CALLBACK (gimp_levels_tool_export_setup), im_tool); main_vbox = gimp_image_map_tool_dialog_get_vbox (im_tool); /* The combo box for selecting channels */ main_frame = gimp_frame_new (NULL); gtk_box_pack_start (GTK_BOX (main_vbox), main_frame, TRUE, TRUE, 0); gtk_widget_show (main_frame); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_frame_set_label_widget (GTK_FRAME (main_frame), hbox); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Cha_nnel:")); gimp_label_set_attributes (GTK_LABEL (label), PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD, -1); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); store = gimp_enum_store_new_with_range (GIMP_TYPE_HISTOGRAM_CHANNEL, GIMP_HISTOGRAM_VALUE, GIMP_HISTOGRAM_ALPHA); tool->channel_menu = gimp_enum_combo_box_new_with_model (GIMP_ENUM_STORE (store)); g_object_unref (store); gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (tool->channel_menu), "gimp-channel"); gtk_box_pack_start (GTK_BOX (hbox), tool->channel_menu, FALSE, FALSE, 0); gtk_widget_show (tool->channel_menu); g_signal_connect (tool->channel_menu, "changed", G_CALLBACK (levels_channel_callback), tool); gtk_label_set_mnemonic_widget (GTK_LABEL (label), tool->channel_menu); button = gtk_button_new_with_mnemonic (_("R_eset Channel")); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (levels_channel_reset_callback), tool); hbox2 = gimp_prop_enum_icon_box_new (G_OBJECT (tool_options), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); frame_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); gtk_container_add (GTK_CONTAINER (main_frame), frame_vbox); gtk_widget_show (frame_vbox); /* Input levels frame */ frame = gimp_frame_new (_("Input Levels")); gtk_box_pack_start (GTK_BOX (frame_vbox), frame, TRUE, TRUE, 0); gtk_widget_show (frame); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_widget_show (vbox); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0); gtk_widget_show (frame); vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_container_add (GTK_CONTAINER (frame), vbox2); gtk_widget_show (vbox2); tool->histogram_view = gimp_histogram_view_new (FALSE); gtk_box_pack_start (GTK_BOX (vbox2), tool->histogram_view, TRUE, TRUE, 0); gtk_widget_show (GTK_WIDGET (tool->histogram_view)); gimp_histogram_options_connect_view (GIMP_HISTOGRAM_OPTIONS (tool_options), GIMP_HISTOGRAM_VIEW (tool->histogram_view)); g_object_get (tool->histogram_view, "border-width", &border, NULL); vbox3 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_container_set_border_width (GTK_CONTAINER (vbox3), border); gtk_box_pack_start (GTK_BOX (vbox2), vbox3, FALSE, FALSE, 0); gtk_widget_show (vbox3); tool->input_bar = g_object_new (GIMP_TYPE_COLOR_BAR, NULL); gtk_widget_set_size_request (tool->input_bar, -1, GRADIENT_HEIGHT / 2); gtk_box_pack_start (GTK_BOX (vbox3), tool->input_bar, FALSE, FALSE, 0); gtk_widget_show (tool->input_bar); bar = g_object_new (GIMP_TYPE_COLOR_BAR, NULL); gtk_widget_set_size_request (bar, -1, GRADIENT_HEIGHT / 2); gtk_box_pack_start (GTK_BOX (vbox3), bar, FALSE, FALSE, 0); gtk_widget_show (bar); handle_bar = g_object_new (GIMP_TYPE_HANDLE_BAR, NULL); gtk_widget_set_size_request (handle_bar, -1, CONTROL_HEIGHT); gtk_box_pack_start (GTK_BOX (vbox3), handle_bar, FALSE, FALSE, 0); gtk_widget_show (handle_bar); gimp_handle_bar_connect_events (GIMP_HANDLE_BAR (handle_bar), tool->input_bar); gimp_handle_bar_connect_events (GIMP_HANDLE_BAR (handle_bar), bar); /* Horizontal box for input levels spinbuttons */ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); /* low input spin */ hbox2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); gtk_box_pack_start (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); button = gimp_levels_tool_color_picker_new (tool, PICK_LOW_INPUT); gtk_box_pack_start (GTK_BOX (hbox2), button, FALSE, FALSE, 0); gtk_widget_show (button); tool->low_input_spinbutton = spinbutton = gimp_prop_spin_button_new (im_tool->config, "low-input", 0.01, 0.1, 1); gtk_box_pack_start (GTK_BOX (hbox2), spinbutton, FALSE, FALSE, 0); gtk_widget_show (spinbutton); tool->low_input = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spinbutton)); gimp_handle_bar_set_adjustment (GIMP_HANDLE_BAR (handle_bar), 0, tool->low_input); /* input gamma spin */ spinbutton = gimp_prop_spin_button_new (im_tool->config, "gamma", 0.01, 0.1, 2); gtk_box_pack_start (GTK_BOX (hbox), spinbutton, TRUE, FALSE, 0); gimp_help_set_help_data (spinbutton, _("Gamma"), NULL); gtk_widget_show (spinbutton); tool->gamma = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spinbutton)); tool->gamma_linear = GTK_ADJUSTMENT (gtk_adjustment_new (127, 0, 255, 0.1, 1.0, 0.0)); g_signal_connect (tool->gamma_linear, "value-changed", G_CALLBACK (levels_linear_gamma_changed), tool); gimp_handle_bar_set_adjustment (GIMP_HANDLE_BAR (handle_bar), 1, tool->gamma_linear); g_object_unref (tool->gamma_linear); /* high input spin */ hbox2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); button = gimp_levels_tool_color_picker_new (tool, PICK_HIGH_INPUT); gtk_box_pack_start (GTK_BOX (hbox2), button, FALSE, FALSE, 0); gtk_widget_show (button); spinbutton = gimp_prop_spin_button_new (im_tool->config, "high-input", 0.01, 0.1, 1); gtk_box_pack_start (GTK_BOX (hbox2), spinbutton, FALSE, FALSE, 0); gtk_widget_show (spinbutton); tool->high_input_spinbutton = spinbutton; tool->high_input = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spinbutton)); gimp_handle_bar_set_adjustment (GIMP_HANDLE_BAR (handle_bar), 2, tool->high_input); /* Output levels frame */ frame = gimp_frame_new (_("Output Levels")); gtk_box_pack_start (GTK_BOX (frame_vbox), frame, FALSE, FALSE, 0); gtk_widget_show (frame); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_widget_show (vbox); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0); gtk_widget_show (frame); vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_container_set_border_width (GTK_CONTAINER (vbox2), border); gtk_container_add (GTK_CONTAINER (frame), vbox2); gtk_widget_show (vbox2); tool->output_bar = g_object_new (GIMP_TYPE_COLOR_BAR, NULL); gtk_widget_set_size_request (tool->output_bar, -1, GRADIENT_HEIGHT); gtk_box_pack_start (GTK_BOX (vbox2), tool->output_bar, FALSE, FALSE, 0); gtk_widget_show (tool->output_bar); handle_bar = g_object_new (GIMP_TYPE_HANDLE_BAR, NULL); gtk_widget_set_size_request (handle_bar, -1, CONTROL_HEIGHT); gtk_box_pack_start (GTK_BOX (vbox2), handle_bar, FALSE, FALSE, 0); gtk_widget_show (handle_bar); gimp_handle_bar_connect_events (GIMP_HANDLE_BAR (handle_bar), tool->output_bar); /* Horizontal box for levels spin widgets */ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); /* low output spin */ tool->low_output_spinbutton = spinbutton = gimp_prop_spin_button_new (im_tool->config, "low-output", 0.01, 0.1, 1); gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0); gtk_widget_show (spinbutton); adjustment = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spinbutton)); gimp_handle_bar_set_adjustment (GIMP_HANDLE_BAR (handle_bar), 0, adjustment); /* high output spin */ tool->high_output_spinbutton = spinbutton = gimp_prop_spin_button_new (im_tool->config, "high-output", 0.01, 0.1, 1); gtk_box_pack_end (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0); gtk_widget_show (spinbutton); adjustment = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spinbutton)); gimp_handle_bar_set_adjustment (GIMP_HANDLE_BAR (handle_bar), 2, adjustment); /* all channels frame */ main_frame = gimp_frame_new (_("All Channels")); gtk_box_pack_start (GTK_BOX (main_vbox), main_frame, FALSE, FALSE, 0); gtk_widget_show (main_frame); frame_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); gtk_container_add (GTK_CONTAINER (main_frame), frame_vbox); gtk_widget_show (frame_vbox); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (frame_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); button = gtk_button_new_with_mnemonic (_("_Auto Input Levels")); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gimp_help_set_help_data (button, _("Adjust levels for all channels automatically"), NULL); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (levels_stretch_callback), tool); button = gimp_levels_tool_color_picker_new (tool, PICK_HIGH_INPUT | PICK_ALL_CHANNELS); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); button = gimp_levels_tool_color_picker_new (tool, PICK_GAMMA | PICK_ALL_CHANNELS); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); button = gimp_levels_tool_color_picker_new (tool, PICK_LOW_INPUT | PICK_ALL_CHANNELS); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); button = gimp_icon_button_new (GIMP_STOCK_TOOL_CURVES, _("Edit these Settings as Curves")); gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (levels_to_curves_callback), tool); gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (tool->channel_menu), config->channel); }
static void gimp_curves_tool_dialog (GimpImageMapTool *image_map_tool) { GimpCurvesTool *tool = GIMP_CURVES_TOOL (image_map_tool); GimpToolOptions *tool_options = GIMP_TOOL_GET_OPTIONS (image_map_tool); GimpCurvesConfig *config = tool->config; GtkListStore *store; GtkSizeGroup *label_group; GtkWidget *main_vbox; GtkWidget *vbox; GtkWidget *hbox; GtkWidget *hbox2; GtkWidget *label; GtkWidget *frame; GtkWidget *table; GtkWidget *button; GtkWidget *bar; GtkWidget *combo; g_signal_connect (image_map_tool->settings_box, "file-dialog-setup", G_CALLBACK (gimp_curves_tool_export_setup), image_map_tool); main_vbox = gimp_image_map_tool_dialog_get_vbox (image_map_tool); label_group = gimp_image_map_tool_dialog_get_label_group (image_map_tool); /* The combo box for selecting channels */ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Cha_nnel:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); gtk_size_group_add_widget (label_group, label); store = gimp_enum_store_new_with_range (GIMP_TYPE_HISTOGRAM_CHANNEL, GIMP_HISTOGRAM_VALUE, GIMP_HISTOGRAM_ALPHA); tool->channel_menu = gimp_enum_combo_box_new_with_model (GIMP_ENUM_STORE (store)); g_object_unref (store); gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (tool->channel_menu), config->channel); gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (tool->channel_menu), "gimp-channel"); gtk_box_pack_start (GTK_BOX (hbox), tool->channel_menu, FALSE, FALSE, 0); gtk_widget_show (tool->channel_menu); g_signal_connect (tool->channel_menu, "changed", G_CALLBACK (curves_channel_callback), tool); gtk_label_set_mnemonic_widget (GTK_LABEL (label), tool->channel_menu); button = gtk_button_new_with_mnemonic (_("R_eset Channel")); gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (curves_channel_reset_callback), tool); /* The histogram scale radio buttons */ hbox2 = gimp_prop_enum_icon_box_new (G_OBJECT (tool_options), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); /* The table for the color bars and the graph */ table = gtk_table_new (2, 2, FALSE); gtk_table_set_col_spacings (GTK_TABLE (table), 2); gtk_table_set_row_spacings (GTK_TABLE (table), 2); gtk_box_pack_start (GTK_BOX (main_vbox), table, TRUE, TRUE, 0); /* The left color bar */ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_table_attach (GTK_TABLE (table), vbox, 0, 1, 0, 1, GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); gtk_widget_show (vbox); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, RADIUS); gtk_widget_show (frame); tool->yrange = gimp_color_bar_new (GTK_ORIENTATION_VERTICAL); gtk_widget_set_size_request (tool->yrange, BAR_SIZE, -1); gtk_container_add (GTK_CONTAINER (frame), tool->yrange); gtk_widget_show (tool->yrange); /* The curves graph */ frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_table_attach (GTK_TABLE (table), frame, 1, 2, 0, 1, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); gtk_widget_show (frame); tool->graph = gimp_curve_view_new (); gimp_curve_view_set_range_x (GIMP_CURVE_VIEW (tool->graph), 0, 255); gimp_curve_view_set_range_y (GIMP_CURVE_VIEW (tool->graph), 0, 255); gtk_widget_set_size_request (tool->graph, GRAPH_SIZE + RADIUS * 2, GRAPH_SIZE + RADIUS * 2); g_object_set (tool->graph, "border-width", RADIUS, "subdivisions", 1, NULL); gtk_container_add (GTK_CONTAINER (frame), tool->graph); gtk_widget_show (tool->graph); gimp_histogram_options_connect_view (GIMP_HISTOGRAM_OPTIONS (tool_options), GIMP_HISTOGRAM_VIEW (tool->graph)); /* The bottom color bar */ hbox2 = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); gtk_table_attach (GTK_TABLE (table), hbox2, 1, 2, 1, 2, GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0); gtk_widget_show (hbox2); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); gtk_box_pack_start (GTK_BOX (hbox2), frame, TRUE, TRUE, RADIUS); gtk_widget_show (frame); vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0); gtk_box_set_homogeneous (GTK_BOX (vbox), TRUE); gtk_container_add (GTK_CONTAINER (frame), vbox); gtk_widget_show (vbox); tool->xrange = gimp_color_bar_new (GTK_ORIENTATION_HORIZONTAL); gtk_widget_set_size_request (tool->xrange, -1, BAR_SIZE / 2); gtk_box_pack_start (GTK_BOX (vbox), tool->xrange, TRUE, TRUE, 0); gtk_widget_show (tool->xrange); bar = gimp_color_bar_new (GTK_ORIENTATION_HORIZONTAL); gtk_box_pack_start (GTK_BOX (vbox), bar, TRUE, TRUE, 0); gtk_widget_show (bar); gtk_widget_show (table); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_end (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Curve _type:")); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); tool->curve_type = combo = gimp_enum_combo_box_new (GIMP_TYPE_CURVE_TYPE); gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (combo), "gimp-curve"); gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), 0, G_CALLBACK (curves_curve_type_callback), tool); gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0); gtk_widget_show (combo); gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo); gimp_curves_tool_update_channel (tool); }
static void gimp_threshold_tool_dialog (GimpFilterTool *filter_tool) { GimpThresholdTool *t_tool = GIMP_THRESHOLD_TOOL (filter_tool); GimpToolOptions *tool_options = GIMP_TOOL_GET_OPTIONS (filter_tool); GtkWidget *main_vbox; GtkWidget *main_frame; GtkWidget *frame_vbox; GtkWidget *hbox; GtkWidget *label; GtkWidget *hbox2; GtkWidget *box; GtkWidget *button; GimpHistogramChannel channel; main_vbox = gimp_filter_tool_dialog_get_vbox (filter_tool); main_frame = gimp_frame_new (NULL); gtk_box_pack_start (GTK_BOX (main_vbox), main_frame, TRUE, TRUE, 0); gtk_widget_show (main_frame); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_frame_set_label_widget (GTK_FRAME (main_frame), hbox); gtk_widget_show (hbox); label = gtk_label_new_with_mnemonic (_("Cha_nnel:")); gimp_label_set_attributes (GTK_LABEL (label), PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD, -1); gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); gtk_widget_show (label); t_tool->channel_menu = gimp_prop_enum_combo_box_new (filter_tool->config, "channel", -1, -1); gimp_enum_combo_box_set_icon_prefix (GIMP_ENUM_COMBO_BOX (t_tool->channel_menu), "gimp-channel"); gimp_int_combo_box_set_sensitivity (GIMP_INT_COMBO_BOX (t_tool->channel_menu), gimp_threshold_tool_channel_sensitive, filter_tool, NULL); gtk_box_pack_start (GTK_BOX (hbox), t_tool->channel_menu, FALSE, FALSE, 0); gtk_widget_show (t_tool->channel_menu); gtk_label_set_mnemonic_widget (GTK_LABEL (label), t_tool->channel_menu); hbox2 = gimp_prop_enum_icon_box_new (G_OBJECT (tool_options), "histogram-scale", "gimp-histogram", 0, 0); gtk_box_pack_end (GTK_BOX (hbox), hbox2, FALSE, FALSE, 0); gtk_widget_show (hbox2); frame_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); gtk_container_add (GTK_CONTAINER (main_frame), frame_vbox); gtk_widget_show (frame_vbox); box = gimp_histogram_box_new (); gtk_box_pack_start (GTK_BOX (frame_vbox), box, TRUE, TRUE, 0); gtk_widget_show (box); t_tool->histogram_box = GIMP_HISTOGRAM_BOX (box); g_object_get (filter_tool->config, "channel", &channel, NULL); gimp_histogram_view_set_channel (t_tool->histogram_box->view, channel); g_signal_connect (t_tool->histogram_box->view, "range-changed", G_CALLBACK (gimp_threshold_tool_histogram_range), t_tool); g_object_bind_property (G_OBJECT (tool_options), "histogram-scale", G_OBJECT (t_tool->histogram_box->view), "histogram-scale", G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6); gtk_box_pack_start (GTK_BOX (frame_vbox), hbox, FALSE, FALSE, 0); gtk_widget_show (hbox); button = gtk_button_new_with_mnemonic (_("_Auto")); gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); gimp_help_set_help_data (button, _("Automatically adjust to optimal " "binarization threshold"), NULL); gtk_widget_show (button); g_signal_connect (button, "clicked", G_CALLBACK (gimp_threshold_tool_auto_clicked), t_tool); }