gimp/app/tools/gimpselectionoptions.c

368 lines
14 KiB
C

/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "apptypes.h"
#include "gimprc.h"
#include "gimpellipseselecttool.h"
#include "gimpfuzzyselecttool.h"
#include "gimpiscissorstool.h"
#include "gimprectselecttool.h"
#include "gimptool.h"
#include "gimptoolinfo.h"
#include "selection_options.h"
#include "tool_manager.h"
#include "libgimp/gimpintl.h"
void
selection_options_init (SelectionOptions *options,
GtkType tool_type,
ToolOptionsResetFunc reset_func)
{
GtkWidget *vbox;
GtkWidget *abox;
GtkWidget *table;
GtkWidget *label;
GtkWidget *scale;
GtkWidget *separator;
/* initialize the tool options structure */
tool_options_init ((ToolOptions *) options,
reset_func);
/* the main vbox */
vbox = options->tool_options.main_vbox;
/* initialize the selection options structure */
options->feather = options->feather_d = FALSE;
options->feather_radius = options->feather_radius_d = 10.0;
options->antialias = options->antialias_d = TRUE;
options->sample_merged = options->sample_merged_d = FALSE;
options->threshold = default_threshold;
options->fixed_size = options->fixed_size_d = FALSE;
options->fixed_height = options->fixed_height_d = 1;
options->fixed_width = options->fixed_width_d = 1;
options->fixed_unit = options->fixed_unit_d = GIMP_UNIT_PIXEL;
options->interactive = options->interactive_d = FALSE;
options->feather_w = NULL;
options->feather_radius_w = NULL;
options->antialias_w = NULL;
options->sample_merged_w = NULL;
options->threshold_w = NULL;
options->fixed_size_w = NULL;
options->fixed_height_w = NULL;
options->fixed_width_w = NULL;
options->fixed_unit_w = NULL;
options->interactive_w = NULL;
/* the feather toggle button */
table = gtk_table_new (2, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
options->feather_w = gtk_check_button_new_with_label (_("Feather"));
gtk_table_attach (GTK_TABLE (table), options->feather_w, 0, 1, 0, 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK, 0, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->feather_w),
options->feather_d);
gtk_signal_connect (GTK_OBJECT (options->feather_w), "toggled",
GTK_SIGNAL_FUNC (gimp_toggle_button_update),
&options->feather);
gtk_widget_show (options->feather_w);
/* the feather radius scale */
label = gtk_label_new (_("Radius:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_table_attach (GTK_TABLE (table), label, 0, 1, 1, 2,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (label);
abox = gtk_alignment_new (0.5, 1.0, 1.0, 0.0);
gtk_table_attach (GTK_TABLE (table), abox, 1, 2, 0, 2,
GTK_EXPAND | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (abox);
options->feather_radius_w =
gtk_adjustment_new (options->feather_radius_d, 0.0, 100.0, 1.0, 1.0, 1.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (options->feather_radius_w));
gtk_container_add (GTK_CONTAINER (abox), scale);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
gtk_signal_connect (GTK_OBJECT (options->feather_radius_w), "value_changed",
GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
&options->feather_radius);
gtk_widget_show (scale);
/* grey out label & scale if feather is off */
gtk_widget_set_sensitive (scale, options->feather_d);
gtk_widget_set_sensitive (label, options->feather_d);
gtk_object_set_data (GTK_OBJECT (options->feather_w), "set_sensitive", scale);
gtk_object_set_data (GTK_OBJECT (scale), "set_sensitive", label);
gtk_widget_show (table);
/* the antialias toggle button */
if (tool_type != GIMP_TYPE_RECT_SELECT_TOOL)
{
options->antialias_w = gtk_check_button_new_with_label (_("Antialiasing"));
gtk_box_pack_start (GTK_BOX (vbox), options->antialias_w, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->antialias_w),
options->antialias_d);
gtk_signal_connect (GTK_OBJECT (options->antialias_w), "toggled",
GTK_SIGNAL_FUNC (gimp_toggle_button_update),
&options->antialias);
gtk_widget_show (options->antialias_w);
}
/* a separator between the common and tool-specific selection options */
if (tool_type == GIMP_TYPE_ISCISSORS_TOOL ||
tool_type == GIMP_TYPE_RECT_SELECT_TOOL ||
tool_type == GIMP_TYPE_ELLIPSE_SELECT_TOOL ||
tool_type == GIMP_TYPE_FUZZY_SELECT_TOOL ||
tool_type == GIMP_TYPE_BY_COLOR_SELECT_TOOL)
{
separator = gtk_hseparator_new ();
gtk_box_pack_start (GTK_BOX (vbox), separator, FALSE, FALSE, 0);
gtk_widget_show (separator);
}
/* selection tool with an interactive boundary that can be toggled */
if (tool_type == GIMP_TYPE_ISCISSORS_TOOL)
{
options->interactive_w =
gtk_check_button_new_with_label (_("Show Interactive Boundary"));
gtk_box_pack_start (GTK_BOX (vbox), options->interactive_w,
FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->interactive_w),
options->interactive_d);
gtk_signal_connect (GTK_OBJECT (options->interactive_w), "toggled",
GTK_SIGNAL_FUNC (gimp_toggle_button_update),
&options->interactive);
gtk_widget_show (options->interactive_w);
}
/* selection tools which operate on contiguous regions */
if (tool_type == GIMP_TYPE_FUZZY_SELECT_TOOL)
{
GtkWidget *hbox;
/* the sample merged toggle */
options->sample_merged_w =
gtk_check_button_new_with_label (_("Sample Merged"));
gtk_box_pack_start (GTK_BOX (vbox), options->sample_merged_w,
FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (options->sample_merged_w), "toggled",
GTK_SIGNAL_FUNC (gimp_toggle_button_update),
&options->sample_merged);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
options->sample_merged_d);
gtk_widget_show (options->sample_merged_w);
/* the threshold scale */
hbox = gtk_hbox_new (FALSE, 1);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Threshold:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 1);
gtk_widget_show (label);
options->threshold_w =
gtk_adjustment_new (default_threshold, 0.0, 255.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (options->threshold_w));
gtk_box_pack_start (GTK_BOX (hbox), scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
gtk_signal_connect (GTK_OBJECT (options->threshold_w), "value_changed",
GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
&options->threshold);
gtk_widget_show (scale);
}
/* widgets for fixed size select */
if (tool_type == GIMP_TYPE_RECT_SELECT_TOOL ||
tool_type == GIMP_TYPE_ELLIPSE_SELECT_TOOL)
{
GtkWidget *alignment;
GtkWidget *table;
GtkWidget *width_spinbutton;
GtkWidget *height_spinbutton;
options->fixed_size_w =
gtk_check_button_new_with_label (_("Fixed Size / Aspect Ratio"));
gtk_box_pack_start (GTK_BOX (vbox), options->fixed_size_w,
FALSE, FALSE, 0);
gtk_signal_connect (GTK_OBJECT (options->fixed_size_w), "toggled",
GTK_SIGNAL_FUNC (gimp_toggle_button_update),
&options->fixed_size);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->fixed_size_w),
options->fixed_size_d);
gtk_widget_show (options->fixed_size_w);
alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
gtk_box_pack_start (GTK_BOX (vbox), alignment, FALSE, FALSE, 0);
gtk_widget_show (alignment);
table = gtk_table_new (3, 2, FALSE);
gtk_table_set_col_spacing (GTK_TABLE (table), 0, 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 1);
gtk_container_add (GTK_CONTAINER (alignment), table);
/* grey out the table if fixed size is off */
gtk_widget_set_sensitive (table, options->fixed_size_d);
gtk_object_set_data (GTK_OBJECT (options->fixed_size_w), "set_sensitive",
table);
options->fixed_width_w =
gtk_adjustment_new (options->fixed_width_d, 1e-5, 32767.0,
1.0, 50.0, 0.0);
width_spinbutton =
gtk_spin_button_new (GTK_ADJUSTMENT (options->fixed_width_w), 1.0, 0.0);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON(width_spinbutton),
GTK_SHADOW_NONE);
gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (width_spinbutton), TRUE);
gtk_widget_set_usize (width_spinbutton, 75, 0);
gtk_signal_connect (GTK_OBJECT (options->fixed_width_w), "value_changed",
GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
&options->fixed_width);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Width:"), 1.0, 0.5,
width_spinbutton, 1, FALSE);
options->fixed_height_w =
gtk_adjustment_new (options->fixed_height_d, 1e-5, 32767.0,
1.0, 50.0, 0.0);
height_spinbutton =
gtk_spin_button_new (GTK_ADJUSTMENT (options->fixed_height_w), 1.0, 0.0);
gtk_spin_button_set_shadow_type (GTK_SPIN_BUTTON(height_spinbutton),
GTK_SHADOW_NONE);
gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(height_spinbutton), TRUE);
gtk_widget_set_usize (height_spinbutton, 75, 0);
gtk_signal_connect (GTK_OBJECT (options->fixed_height_w), "value_changed",
GTK_SIGNAL_FUNC (gimp_double_adjustment_update),
&options->fixed_height);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Height:"), 1.0, 0.5,
height_spinbutton, 1, FALSE);
options->fixed_unit_w =
gimp_unit_menu_new ("%a", options->fixed_unit_d, TRUE, TRUE, TRUE);
gtk_signal_connect (GTK_OBJECT (options->fixed_unit_w), "unit_changed",
GTK_SIGNAL_FUNC (gimp_unit_menu_update),
&options->fixed_unit);
gtk_object_set_data (GTK_OBJECT (options->fixed_unit_w), "set_digits",
width_spinbutton);
gtk_object_set_data (GTK_OBJECT (width_spinbutton), "set_digits",
height_spinbutton);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("Unit:"), 1.0, 0.5,
options->fixed_unit_w, 1, FALSE);
gtk_widget_show (table);
}
}
SelectionOptions *
selection_options_new (GtkType tool_type,
ToolOptionsResetFunc reset_func)
{
SelectionOptions *options;
options = g_new (SelectionOptions, 1);
selection_options_init (options, tool_type, reset_func);
return options;
}
void
selection_options_reset (ToolOptions *tool_options)
{
SelectionOptions *options;
options = (SelectionOptions *) tool_options;
if (options->feather_w)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->feather_w),
options->feather_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->feather_radius_w),
options->feather_radius_d);
}
if (options->antialias_w)
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->antialias_w),
options->antialias_d);
if (options->sample_merged_w)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->sample_merged_w),
options->sample_merged_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->threshold_w),
default_threshold);
}
if (options->fixed_size_w)
{
GtkWidget *spinbutton;
gint digits;
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(options->fixed_size_w),
options->fixed_size_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->fixed_width_w),
options->fixed_width_d);
gtk_adjustment_set_value (GTK_ADJUSTMENT (options->fixed_height_w),
options->fixed_height_d);
options->fixed_unit = options->fixed_unit_d;
gimp_unit_menu_set_unit (GIMP_UNIT_MENU (options->fixed_unit_w),
options->fixed_unit_d);
digits =
((options->fixed_unit_d == GIMP_UNIT_PIXEL) ? 0 :
((options->fixed_unit_d == GIMP_UNIT_PERCENT) ? 2 :
(MIN (6, MAX (3, gimp_unit_get_digits (options->fixed_unit_d))))));
spinbutton =
gtk_object_get_data (GTK_OBJECT (options->fixed_unit_w), "set_digits");
while (spinbutton)
{
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinbutton), digits);
spinbutton =
gtk_object_get_data (GTK_OBJECT (spinbutton), "set_digits");
}
}
if (options->interactive_w)
{
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (options->interactive_w),
options->interactive_d);
}
}