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gimp/app/widgets/gimpdynamicsoutputeditor.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
*
* gimpdynamicsoutputeditor.c
* Copyright (C) 2010 Alexia Death
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpcolor/gimpcolor.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcurve.h"
#include "core/gimpdynamicsoutput.h"
#include "gimpcurveview.h"
#include "gimpdynamicsoutputeditor.h"
#include "gimp-intl.h"
#define CURVE_SIZE 185
#define CURVE_BORDER 4
enum
{
PROP_0,
PROP_OUTPUT
};
enum
{
INPUT_COLUMN_INDEX,
INPUT_COLUMN_USE_INPUT,
INPUT_COLUMN_NAME,
INPUT_COLUMN_COLOR,
INPUT_N_COLUMNS
};
struct
{
const gchar *use_property;
const gchar *curve_property;
const gchar *label;
const GimpRGB color;
}
inputs[] =
{
{ "use-pressure", "pressure-curve", N_("Pressure"), { 1.0, 0.0, 0.0, 1.0 } },
{ "use-velocity", "velocity-curve", N_("Velocity"), { 0.0, 1.0, 0.0, 1.0 } },
{ "use-direction", "direction-curve", N_("Direction"), { 0.0, 0.0, 1.0, 1.0 } },
{ "use-tilt", "tilt-curve", N_("Tilt"), { 1.0, 0.5, 0.0, 1.0 } },
{ "use-wheel", "wheel-curve", N_("Wheel"), { 1.0, 0.0, 1.0, 1.0 } },
{ "use-random", "random-curve", N_("Random"), { 0.0, 1.0, 1.0, 1.0 } },
{ "use-fade", "fade-curve", N_("Fade"), { 0.2, 0.2, 0.2, 1.0 } }
};
typedef struct _GimpDynamicsOutputEditorPrivate GimpDynamicsOutputEditorPrivate;
struct _GimpDynamicsOutputEditorPrivate
{
GimpDynamicsOutput *output;
GtkListStore *input_list;
GtkTreeIter input_iters[G_N_ELEMENTS (inputs)];
GtkWidget *curve_view;
GtkWidget *input_view;
GimpCurve *active_curve;
};
#define GET_PRIVATE(editor) \
G_TYPE_INSTANCE_GET_PRIVATE (editor, \
GIMP_TYPE_DYNAMICS_OUTPUT_EDITOR, \
GimpDynamicsOutputEditorPrivate)
static void gimp_dynamics_output_editor_constructed (GObject *object);
static void gimp_dynamics_output_editor_finalize (GObject *object);
static void gimp_dynamics_output_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_dynamics_output_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_dynamics_output_editor_curve_reset (GtkWidget *button,
GimpDynamicsOutputEditor *editor);
static void gimp_dynamics_output_editor_input_selected (GtkTreeSelection *selection,
GimpDynamicsOutputEditor *editor);
static void gimp_dynamics_output_editor_input_toggled (GtkCellRenderer *cell,
gchar *path,
GimpDynamicsOutputEditor *editor);
static void gimp_dynamics_output_editor_activate_input (GimpDynamicsOutputEditor *editor,
gint input);
static void gimp_dynamics_output_editor_notify_output (GimpDynamicsOutput *output,
const GParamSpec *pspec,
GimpDynamicsOutputEditor *editor);
G_DEFINE_TYPE (GimpDynamicsOutputEditor, gimp_dynamics_output_editor,
GTK_TYPE_BOX)
#define parent_class gimp_dynamics_output_editor_parent_class
static void
gimp_dynamics_output_editor_class_init (GimpDynamicsOutputEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_dynamics_output_editor_constructed;
object_class->finalize = gimp_dynamics_output_editor_finalize;
object_class->set_property = gimp_dynamics_output_editor_set_property;
object_class->get_property = gimp_dynamics_output_editor_get_property;
g_object_class_install_property (object_class, PROP_OUTPUT,
g_param_spec_object ("output",
NULL, NULL,
GIMP_TYPE_DYNAMICS_OUTPUT,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_type_class_add_private (object_class,
sizeof (GimpDynamicsOutputEditorPrivate));
}
static void
gimp_dynamics_output_editor_init (GimpDynamicsOutputEditor *editor)
{
gtk_orientable_set_orientation (GTK_ORIENTABLE (editor),
GTK_ORIENTATION_VERTICAL);
gtk_box_set_spacing (GTK_BOX (editor), 6);
}
static void
gimp_dynamics_output_editor_constructed (GObject *object)
{
GimpDynamicsOutputEditor *editor;
GimpDynamicsOutputEditorPrivate *private;
GtkWidget *view;
GtkWidget *button;
GtkCellRenderer *cell;
GtkTreeSelection *tree_sel;
gint i;
GimpDynamicsOutputType output_type;
const gchar *type_desc;
editor = GIMP_DYNAMICS_OUTPUT_EDITOR (object);
private = GET_PRIVATE (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_DYNAMICS_OUTPUT (private->output));
private->curve_view = gimp_curve_view_new ();
g_object_set (private->curve_view,
"border-width", CURVE_BORDER,
NULL);
g_object_get (private->output,
"type", &output_type,
NULL);
if (gimp_enum_get_value (GIMP_TYPE_DYNAMICS_OUTPUT_TYPE, output_type,
NULL, NULL, &type_desc, NULL))
g_object_set (private->curve_view,
"y-axis-label", type_desc,
NULL);
gtk_widget_set_size_request (private->curve_view,
CURVE_SIZE + CURVE_BORDER * 2,
CURVE_SIZE + CURVE_BORDER * 2);
gtk_box_pack_start (GTK_BOX (editor), private->curve_view, TRUE, TRUE, 0);
gtk_widget_show (private->curve_view);
gimp_dynamics_output_editor_activate_input (editor, 0);
button = gtk_button_new_with_mnemonic (_("_Reset Curve"));
gtk_box_pack_start (GTK_BOX (editor), button, FALSE, FALSE, 0);
gtk_widget_show (button);
g_signal_connect (button, "clicked",
G_CALLBACK (gimp_dynamics_output_editor_curve_reset),
editor);
private->input_list = gtk_list_store_new (INPUT_N_COLUMNS,
G_TYPE_INT,
G_TYPE_BOOLEAN,
G_TYPE_STRING,
GIMP_TYPE_RGB);
for (i = 0; i < G_N_ELEMENTS (inputs); i++)
{
gboolean use_input;
g_object_get (private->output,
inputs[i].use_property, &use_input,
NULL);
gtk_list_store_insert_with_values (private->input_list,
&private->input_iters[i], -1,
INPUT_COLUMN_INDEX, i,
INPUT_COLUMN_USE_INPUT, use_input,
INPUT_COLUMN_NAME, gettext (inputs[i].label),
INPUT_COLUMN_COLOR, &inputs[i].color,
-1);
}
view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (private->input_list));
g_object_unref (private->input_list);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);
cell = gtk_cell_renderer_toggle_new ();
g_object_set (cell,
"mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE,
"activatable", TRUE,
NULL);
g_signal_connect (G_OBJECT (cell), "toggled",
G_CALLBACK (gimp_dynamics_output_editor_input_toggled),
editor);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view),
-1, NULL,
gimp_cell_renderer_color_new (),
"color", INPUT_COLUMN_COLOR,
NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view),
-1, NULL,
cell,
"active", INPUT_COLUMN_USE_INPUT,
NULL);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (view),
-1, NULL,
gtk_cell_renderer_text_new (),
"text", INPUT_COLUMN_NAME,
NULL);
gtk_box_pack_start (GTK_BOX (editor), view, FALSE, FALSE, 0);
gtk_widget_show (view);
private->input_view = view;
tree_sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
gtk_tree_selection_set_mode (tree_sel, GTK_SELECTION_BROWSE);
gtk_tree_selection_select_iter (tree_sel, &private->input_iters[0]);
g_signal_connect (G_OBJECT (tree_sel), "changed",
G_CALLBACK (gimp_dynamics_output_editor_input_selected),
editor);
g_signal_connect (private->output, "notify",
G_CALLBACK (gimp_dynamics_output_editor_notify_output),
editor);
}
static void
gimp_dynamics_output_editor_finalize (GObject *object)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (object);
g_clear_object (&private->output);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_dynamics_output_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_OUTPUT:
private->output = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_dynamics_output_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (object);
switch (property_id)
{
case PROP_OUTPUT:
g_value_set_object (value, private->output);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_dynamics_output_editor_curve_reset (GtkWidget *button,
GimpDynamicsOutputEditor *editor)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (editor);
if (private->active_curve)
gimp_curve_reset (private->active_curve, TRUE);
}
static void
gimp_dynamics_output_editor_input_selected (GtkTreeSelection *selection,
GimpDynamicsOutputEditor *editor)
{
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gint input;
gtk_tree_model_get (model, &iter,
INPUT_COLUMN_INDEX, &input,
-1);
gimp_dynamics_output_editor_activate_input (editor, input);
}
}
static void
gimp_dynamics_output_editor_input_toggled (GtkCellRenderer *cell,
gchar *path,
GimpDynamicsOutputEditor *editor)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (editor);
GtkTreeModel *model;
GtkTreeIter iter;
model = GTK_TREE_MODEL (private->input_list);
if (gtk_tree_model_get_iter_from_string (model, &iter, path))
{
gint input;
gboolean use;
gtk_tree_model_get (model, &iter,
INPUT_COLUMN_INDEX, &input,
INPUT_COLUMN_USE_INPUT, &use,
-1);
g_object_set (private->output,
inputs[input].use_property, ! use,
NULL);
}
}
static void
gimp_dynamics_output_editor_activate_input (GimpDynamicsOutputEditor *editor,
gint input)
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (editor);
gint i;
gimp_curve_view_set_curve (GIMP_CURVE_VIEW (private->curve_view), NULL, NULL);
gimp_curve_view_remove_all_backgrounds (GIMP_CURVE_VIEW (private->curve_view));
for (i = 0; i < G_N_ELEMENTS (inputs); i++)
{
gboolean use_input;
GimpCurve *input_curve;
g_object_get (private->output,
inputs[i].use_property, &use_input,
inputs[i].curve_property, &input_curve,
NULL);
if (input == i)
{
gimp_curve_view_set_curve (GIMP_CURVE_VIEW (private->curve_view),
input_curve, &inputs[i].color);
private->active_curve = input_curve;
gimp_curve_view_set_x_axis_label (GIMP_CURVE_VIEW (private->curve_view),
inputs[i].label);
}
else if (use_input)
{
gimp_curve_view_add_background (GIMP_CURVE_VIEW (private->curve_view),
input_curve,
&inputs[i].color);
}
g_object_unref (input_curve);
}
}
static void
gimp_dynamics_output_editor_notify_output (GimpDynamicsOutput *output,
const GParamSpec *pspec,
GimpDynamicsOutputEditor *editor)
{
gint i;
for (i = 0; i < G_N_ELEMENTS (inputs); i++)
{
if (! strcmp (pspec->name, inputs[i].use_property))
{
GimpDynamicsOutputEditorPrivate *private = GET_PRIVATE (editor);
GtkTreeSelection *sel;
gboolean use_input;
GimpCurve *input_curve;
sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (private->input_view));
g_object_get (output,
pspec->name, &use_input,
inputs[i].curve_property, &input_curve,
NULL);
gtk_list_store_set (private->input_list, &private->input_iters[i],
INPUT_COLUMN_USE_INPUT, use_input,
-1);
if (! gtk_tree_selection_iter_is_selected (sel,
&private->input_iters[i]))
{
if (use_input)
{
gimp_curve_view_add_background (GIMP_CURVE_VIEW (private->curve_view),
input_curve,
&inputs[i].color);
}
else
{
gimp_curve_view_remove_background (GIMP_CURVE_VIEW (private->curve_view),
input_curve);
}
g_object_unref (input_curve);
}
break;
}
}
}
/* public functions */
GtkWidget *
gimp_dynamics_output_editor_new (GimpDynamicsOutput *output)
{
g_return_val_if_fail (GIMP_IS_DYNAMICS_OUTPUT (output), NULL);
return g_object_new (GIMP_TYPE_DYNAMICS_OUTPUT_EDITOR,
"output", output,
NULL);
}
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