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gimp/app/widgets/gimpstrokeeditor.c

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/* 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 "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpdashpattern.h"
#include "core/gimpstrokeoptions.h"
#include "gimpcellrendererdashes.h"
#include "gimpdasheditor.h"
#include "gimpstrokeeditor.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_OPTIONS,
PROP_RESOLUTION
};
static void gimp_stroke_editor_class_init (GimpStrokeEditorClass *klass);
static GObject * gimp_stroke_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_stroke_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_stroke_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_stroke_editor_finalize (GObject *object);
static gboolean gimp_stroke_editor_paint_button (GtkWidget *widget,
GdkEventExpose *event,
gpointer data);
static void gimp_stroke_editor_dash_preset (GtkWidget *widget,
GimpStrokeOptions *options);
static void gimp_stroke_editor_combo_fill (GimpStrokeOptions *options,
GtkComboBox *box);
static GtkVBoxClass *parent_class = NULL;
GType
gimp_stroke_editor_get_type (void)
{
static GType view_type = 0;
if (! view_type)
{
static const GTypeInfo view_info =
{
sizeof (GimpStrokeEditorClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_stroke_editor_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpStrokeEditor),
0, /* n_preallocs */
NULL /* instance_init */
};
view_type = g_type_register_static (GTK_TYPE_VBOX,
"GimpStrokeEditor",
&view_info, 0);
}
return view_type;
}
static void
gimp_stroke_editor_class_init (GimpStrokeEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_stroke_editor_constructor;
object_class->set_property = gimp_stroke_editor_set_property;
object_class->get_property = gimp_stroke_editor_get_property;
object_class->finalize = gimp_stroke_editor_finalize;
g_object_class_install_property (object_class, PROP_OPTIONS,
g_param_spec_object ("options", NULL, NULL,
GIMP_TYPE_STROKE_OPTIONS,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_RESOLUTION,
g_param_spec_double ("resolution", NULL, NULL,
GIMP_MIN_RESOLUTION,
GIMP_MAX_RESOLUTION,
72.0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_stroke_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
switch (property_id)
{
case PROP_OPTIONS:
editor->options = GIMP_STROKE_OPTIONS (g_value_dup_object (value));
break;
case PROP_RESOLUTION:
editor->resolution = g_value_get_double (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_stroke_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
switch (property_id)
{
case PROP_OPTIONS:
g_value_set_object (value, editor->options);
break;
case PROP_RESOLUTION:
g_value_set_double (value, editor->resolution);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GObject *
gimp_stroke_editor_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GimpStrokeEditor *editor;
GtkWidget *box;
GtkWidget *size;
GtkWidget *label;
GtkWidget *frame;
GtkWidget *table;
GtkWidget *expander;
GtkWidget *dash_editor;
GtkWidget *button;
GtkCellRenderer *cell;
GObject *object;
gint row = 0;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_STROKE_EDITOR (object);
g_assert (editor->options != NULL);
gtk_box_set_spacing (GTK_BOX (editor), 6);
box = gtk_hbox_new (FALSE, 6);
gtk_box_pack_start (GTK_BOX (editor), box, FALSE, FALSE, 0);
gtk_widget_show (box);
label = gtk_label_new (_("Line width:"));
gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
gtk_widget_show (label);
size = gimp_prop_size_entry_new (G_OBJECT (editor->options), "width", "unit",
"%a", GIMP_SIZE_ENTRY_UPDATE_SIZE,
editor->resolution);
gimp_size_entry_set_pixel_digits (GIMP_SIZE_ENTRY (size), 1);
gtk_box_pack_start (GTK_BOX (box), size, FALSE, FALSE, 0);
gtk_widget_show (size);
expander = gtk_expander_new_with_mnemonic (_("_Line Style"));
gtk_box_pack_start (GTK_BOX (editor), expander, FALSE, FALSE, 0);
gtk_widget_show (expander);
frame = gimp_frame_new ("<expander>");
gtk_container_add (GTK_CONTAINER (expander), frame);
gtk_widget_show (frame);
table = gtk_table_new (5, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_table_set_row_spacing (GTK_TABLE (table), 2, 4);
gtk_table_set_row_spacing (GTK_TABLE (table), 4, 4);
gtk_container_add (GTK_CONTAINER (frame), table);
gtk_widget_show (table);
box = gimp_prop_enum_stock_box_new (G_OBJECT (editor->options), "cap-style",
"gimp-cap", 0, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("_Cap style:"), 0.0, 0.5,
box, 2, TRUE);
box = gimp_prop_enum_stock_box_new (G_OBJECT (editor->options), "join-style",
"gimp-join", 0, 0);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("_Join style:"), 0.0, 0.5,
box, 2, TRUE);
gimp_prop_scale_entry_new (G_OBJECT (editor->options), "miter-limit",
GTK_TABLE (table), 0, row++,
_("_Miter limit:"),
1.0, 1.0, 1,
FALSE, 0.0, 0.0);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("Dash pattern:"), 0.0, 0.5,
frame, 2, FALSE);
box = gtk_hbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (frame), box);
gtk_widget_show (box);
dash_editor = gimp_dash_editor_new (editor->options);
button = g_object_new (GTK_TYPE_BUTTON,
"width-request", 14,
NULL);
gtk_box_pack_start (GTK_BOX (box), button, FALSE, TRUE, 0);
gtk_widget_show (button);
g_signal_connect_object (button, "clicked",
G_CALLBACK (gimp_dash_editor_shift_left),
dash_editor, G_CONNECT_SWAPPED);
g_signal_connect_after (button, "expose-event",
G_CALLBACK (gimp_stroke_editor_paint_button),
button);
gtk_box_pack_start (GTK_BOX (box), dash_editor, TRUE, TRUE, 0);
gtk_widget_show (dash_editor);
button = g_object_new (GTK_TYPE_BUTTON,
"width-request", 14,
NULL);
gtk_box_pack_start (GTK_BOX (box), button, FALSE, TRUE, 0);
gtk_widget_show (button);
g_signal_connect_object (button, "clicked",
G_CALLBACK (gimp_dash_editor_shift_right),
dash_editor, G_CONNECT_SWAPPED);
g_signal_connect_after (button, "expose-event",
G_CALLBACK (gimp_stroke_editor_paint_button),
NULL);
box = gimp_enum_combo_box_new (GIMP_TYPE_DASH_PRESET);
gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (box), GIMP_DASH_CUSTOM);
gimp_table_attach_aligned (GTK_TABLE (table), 0, row++,
_("Dash _preset:"), 0.0, 0.5,
box, 2, FALSE);
cell = g_object_new (GIMP_TYPE_CELL_RENDERER_DASHES,
"xpad", 2,
NULL);
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (box), cell, FALSE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (box), cell,
"pattern", GIMP_INT_STORE_USER_DATA);
gimp_stroke_editor_combo_fill (editor->options, GTK_COMBO_BOX (box));
g_signal_connect (box, "changed",
G_CALLBACK (gimp_stroke_editor_dash_preset),
editor->options);
g_signal_connect_object (editor->options, "dash-info-changed",
G_CALLBACK (gimp_int_combo_box_set_active),
box, G_CONNECT_SWAPPED);
button = gimp_prop_check_button_new (G_OBJECT (editor->options), "antialias",
_("_Antialiasing"));
gtk_table_attach (GTK_TABLE (table), button, 0, 3, row, row + 1,
GTK_SHRINK | GTK_FILL, GTK_SHRINK | GTK_FILL, 0, 0);
gtk_widget_show (button);
row++;
box = gimp_prop_enum_radio_box_new (G_OBJECT (editor->options), "style",
0, 0);
gtk_box_pack_start (GTK_BOX (editor), box, FALSE, FALSE, 0);
gtk_widget_show (box);
return object;
}
static void
gimp_stroke_editor_finalize (GObject *object)
{
GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
if (editor->options)
{
g_object_unref (editor->options);
editor->options = NULL;
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GtkWidget *
gimp_stroke_editor_new (GimpStrokeOptions *options,
gdouble resolution)
{
g_return_val_if_fail (GIMP_IS_STROKE_OPTIONS (options), NULL);
return g_object_new (GIMP_TYPE_STROKE_EDITOR,
"options", options,
"resolution", resolution,
NULL);
}
static gboolean
gimp_stroke_editor_paint_button (GtkWidget *widget,
GdkEventExpose *event,
gpointer data)
{
GtkAllocation *alloc = &widget->allocation;
gint w = MIN (alloc->width, alloc->height) * 2 / 3;
gtk_paint_arrow (widget->style, widget->window,
widget->state, GTK_SHADOW_IN,
&event->area, widget, NULL,
data ? GTK_ARROW_LEFT : GTK_ARROW_RIGHT, TRUE,
alloc->x + (alloc->width - w) / 2,
alloc->y + (alloc->height - w) / 2,
w, w);
return FALSE;
}
static void
gimp_stroke_editor_dash_preset (GtkWidget *widget,
GimpStrokeOptions *options)
{
gint value;
if (gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (widget), &value) &&
value != GIMP_DASH_CUSTOM)
{
gimp_stroke_options_set_dash_pattern (options, value, NULL);
}
}
static void
gimp_stroke_editor_combo_update (GtkTreeModel *model,
GParamSpec *pspec,
GimpStrokeOptions *options)
{
GtkTreeIter iter;
if (gimp_int_store_lookup_by_value (model, GIMP_DASH_CUSTOM, &iter))
{
GArray *pattern;
gtk_tree_model_get (model, &iter,
GIMP_INT_STORE_USER_DATA, &pattern,
-1);
gimp_dash_pattern_free (pattern);
pattern = gimp_dash_pattern_copy (options->dash_info);
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
GIMP_INT_STORE_USER_DATA, pattern,
-1);
}
}
static void
gimp_stroke_editor_combo_fill (GimpStrokeOptions *options,
GtkComboBox *box)
{
GtkTreeModel *model = gtk_combo_box_get_model (box);
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GArray *pattern;
gint value;
gtk_tree_model_get (model, &iter,
GIMP_INT_STORE_VALUE, &value,
-1);
if (value == GIMP_DASH_CUSTOM)
{
pattern = gimp_dash_pattern_copy (options->dash_info);
g_signal_connect_object (options, "notify::dash-info",
G_CALLBACK (gimp_stroke_editor_combo_update),
model, G_CONNECT_SWAPPED);
}
else
{
pattern = gimp_dash_pattern_from_preset (value);
}
if (pattern)
{
gtk_list_store_set (GTK_LIST_STORE (model), &iter,
GIMP_INT_STORE_USER_DATA, pattern,
-1);
g_object_weak_ref (G_OBJECT (box),
(GWeakNotify) gimp_dash_pattern_free, pattern);
}
}
}
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