/* 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 <http://www.gnu.org/licenses/>.
 */

#include "config.h"

#include <gtk/gtk.h>

#include "libgimpwidgets/gimpwidgets.h"

#include "tools-types.h"

#include "core/gimptoolinfo.h"

#include "paint/gimppaintoptions.h"

#include "widgets/gimppropwidgets.h"
#include "widgets/gimpviewablebox.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 "gimppaintoptions-gui.h"
#include "gimppenciltool.h"
#include "gimpperspectiveclonetool.h"
#include "gimpsmudgetool.h"
#include "gimptooloptions-gui.h"

#include "gimp-intl.h"


static GtkWidget * fade_options_gui      (GimpPaintOptions *paint_options,
                                          GType             tool_type);
static GtkWidget * gradient_options_gui  (GimpPaintOptions *paint_options,
                                          GType             tool_type,
                                          GtkWidget        *incremental_toggle);
static GtkWidget * jitter_options_gui    (GimpPaintOptions *paint_options,
                                          GType             tool_type);


/*  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        *frame;
  GtkWidget        *table;
  GtkWidget        *menu;
  GtkWidget        *label;
  GtkWidget        *button;
  GtkWidget        *incremental_toggle = NULL;
  gint              table_row          = 0;
  GType             tool_type;

  tool_type = tool_options->tool_info->tool_type;

  /*  the main table  */
  table = gtk_table_new (3, 3, 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 (vbox), table, FALSE, FALSE, 0);
  gtk_widget_show (table);

  g_object_set_data (G_OBJECT (vbox), GIMP_PAINT_OPTIONS_TABLE_KEY, table);

  /*  the paint mode menu  */
  menu  = gimp_prop_paint_mode_menu_new (config, "paint-mode", TRUE, FALSE);
  label = gimp_table_attach_aligned (GTK_TABLE (table), 0, table_row++,
                                     _("Mode:"), 0.0, 0.5,
                                     menu, 2, FALSE);

  if (tool_type == GIMP_TYPE_ERASER_TOOL     ||
      tool_type == GIMP_TYPE_CONVOLVE_TOOL   ||
      tool_type == GIMP_TYPE_DODGE_BURN_TOOL ||
      tool_type == GIMP_TYPE_SMUDGE_TOOL)
    {
      gtk_widget_set_sensitive (menu, FALSE);
      gtk_widget_set_sensitive (label, FALSE);
    }

  /*  the opacity scale  */
  gimp_prop_opacity_entry_new (config, "opacity",
                               GTK_TABLE (table), 0, table_row++,
                               _("Opacity:"));

  /*  the brush  */
  if (g_type_is_a (tool_type, GIMP_TYPE_BRUSH_TOOL))
    {
      GtkObject *adj_scale;
      GtkObject *adj_angle;
      GtkObject *adj_aspect_ratio;


      button = gimp_prop_brush_box_new (NULL, GIMP_CONTEXT (tool_options), 2,
                                        "brush-view-type", "brush-view-size");
      gimp_table_attach_aligned (GTK_TABLE (table), 0, table_row++,
                                 _("Brush:"), 0.0, 0.5,
                                 button, 2, FALSE);

      adj_scale = gimp_prop_scale_entry_new (config, "brush-scale",
                                             GTK_TABLE (table), 0, table_row++,
                                             _("Scale:"),
                                             0.01, 0.1, 2,
                                             FALSE, 0.0, 0.0);
      gimp_scale_entry_set_logarithmic (adj_scale, TRUE);

      adj_aspect_ratio = gimp_prop_scale_entry_new (config, "brush-aspect-ratio",
                                                    GTK_TABLE (table), 0, table_row++,
                                                    /* Label for a slider that affects
                                                       aspect ratio for brushes */
                                                    _("Aspect:"),
                                                    0.01, 0.1, 2,
                                                    FALSE, 0.0, 0.0);
      gimp_scale_entry_set_logarithmic (adj_aspect_ratio, TRUE);

      adj_angle = gimp_prop_scale_entry_new (config, "brush-angle",
                                             GTK_TABLE (table), 0, table_row++,
                                             _("Angle:"),
                                             1.0, 5.0, 2,
                                             FALSE, 0.0, 0.0);
    }


  if (g_type_is_a (tool_type, GIMP_TYPE_BRUSH_TOOL))
    {
      frame = fade_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 "incremental" toggle  */
  if (tool_type == GIMP_TYPE_PENCIL_TOOL     ||
      tool_type == GIMP_TYPE_PAINTBRUSH_TOOL ||
      tool_type == GIMP_TYPE_ERASER_TOOL)
    {
      incremental_toggle =
        gimp_prop_enum_check_button_new (config,
                                         "application-mode",
                                         _("Incremental"),
                                         GIMP_PAINT_CONSTANT,
                                         GIMP_PAINT_INCREMENTAL);
      gtk_box_pack_start (GTK_BOX (vbox), incremental_toggle, FALSE, FALSE, 0);
      gtk_widget_show (incremental_toggle);
    }

  /* 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)
    {
      button = gimp_prop_check_button_new (config, "hard", _("Hard edge"));
      gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
      gtk_widget_show (button);
    }

  if (g_type_is_a (tool_type, GIMP_TYPE_PAINTBRUSH_TOOL))
    {
      frame = gradient_options_gui (options, tool_type, incremental_toggle);
      gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
      gtk_widget_show (frame);
    }

  return vbox;
}


/*  private functions  */

static GtkWidget *
fade_options_gui (GimpPaintOptions *paint_options,
                  GType             tool_type)
{
  GObject   *config = G_OBJECT (paint_options);
  GtkWidget *frame;
  GtkWidget *table;
  GtkWidget *spinbutton;
  GtkWidget *menu;
  GtkWidget *combo;
  GtkWidget *checkbox;

  table = gtk_table_new (3, 3, FALSE);
  gtk_table_set_col_spacings (GTK_TABLE (table), 2);

  frame = gimp_prop_expanding_frame_new (config, "use-fade",
                                         _("Fade out"),
                                         table, NULL);

  /*  the fade-out sizeentry  */
  spinbutton = gimp_prop_spin_button_new (config, "fade-length",
                                          1.0, 50.0, 0);
  gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), 6);

  gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
                             _("Length:"), 0.0, 0.5,
                             spinbutton, 1, FALSE);

  /*  the fade-out unitmenu  */
  menu = gimp_prop_unit_menu_new (config, "fade-unit", "%a");
  gtk_table_attach (GTK_TABLE (table), menu, 2, 3, 0, 1,
                    GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
  gtk_widget_show (menu);

  g_object_set_data (G_OBJECT (menu), "set_digits", spinbutton);
  gimp_unit_menu_set_pixel_digits (GIMP_UNIT_MENU (menu), 0);

    /*  the repeat type  */
  combo = gimp_prop_enum_combo_box_new (config, "fade-repeat", 0, 0);
  gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
                             _("Repeat:"), 0.0, 0.5,
                             combo, 2, FALSE);

  checkbox = gimp_prop_check_button_new (config,
                                         "fade-reverse",
                                          _("Reverse"));
  gtk_table_attach (GTK_TABLE (table), checkbox, 0, 2, 3, 4,
                    GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
  gtk_widget_show (checkbox);

  return frame;
}

static GtkWidget *
jitter_options_gui (GimpPaintOptions *paint_options,
                    GType             tool_type)
{
  GObject   *config = G_OBJECT (paint_options);
  GtkWidget *frame;
  GtkWidget *table;

  table = gtk_table_new (1, 3, FALSE);
  gtk_table_set_col_spacings (GTK_TABLE (table), 2);

  frame = gimp_prop_expanding_frame_new (config, "use-jitter",
                                         _("Apply Jitter"),
                                         table, NULL);

  gimp_prop_scale_entry_new (config, "jitter-amount",
                             GTK_TABLE (table), 0, 0,
                             _("Amount:"),
                             0.01, 0.1, 2,
                             TRUE, 0.0, 5.0);

  return frame;
}

static GtkWidget *
gradient_options_gui (GimpPaintOptions *paint_options,
                      GType             tool_type,
                      GtkWidget        *incremental_toggle)
{
  GObject   *config = G_OBJECT (paint_options);
  GtkWidget *frame;
  GtkWidget *table;
  GtkWidget *button;

  table = gtk_table_new (3, 3, FALSE);
  gtk_table_set_col_spacings (GTK_TABLE (table), 2);
  gtk_table_set_row_spacings (GTK_TABLE (table), 2);

  frame = gimp_prop_expanding_frame_new (config, "use-gradient",
                                         _("Use color from gradient"),
                                         table, &button);

  if (incremental_toggle)
    {
      gtk_widget_set_sensitive (incremental_toggle,
                                ! paint_options->gradient_options->use_gradient);
      g_object_set_data (G_OBJECT (button), "inverse_sensitive",
                         incremental_toggle);
    }

  /*  the gradient view  */
  button = gimp_prop_gradient_box_new (NULL, GIMP_CONTEXT (config), 2,
                                       "gradient-view-type",
                                       "gradient-view-size",
                                       "gradient-reverse");
  gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
                             _("Gradient:"), 0.0, 0.5,
                             button, 2, TRUE);

  return frame;
}