424 lines
15 KiB
C
424 lines
15 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995-1999 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "widgets-types.h"
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#include "core/pikadashpattern.h"
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#include "core/pikastrokeoptions.h"
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#include "pikacellrendererdashes.h"
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#include "pikadasheditor.h"
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#include "pikastrokeeditor.h"
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#include "pika-intl.h"
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enum
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{
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PROP_0,
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PROP_OPTIONS,
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PROP_RESOLUTION
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};
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static void pika_stroke_editor_constructed (GObject *object);
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static void pika_stroke_editor_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void pika_stroke_editor_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static gboolean pika_stroke_editor_draw_button (GtkWidget *widget,
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cairo_t *cr,
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gpointer data);
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static void pika_stroke_editor_dash_preset (GtkWidget *widget,
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PikaStrokeOptions *options);
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static void pika_stroke_editor_combo_fill (PikaStrokeOptions *options,
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GtkComboBox *box);
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G_DEFINE_TYPE (PikaStrokeEditor, pika_stroke_editor, PIKA_TYPE_FILL_EDITOR)
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#define parent_class pika_stroke_editor_parent_class
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static void
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pika_stroke_editor_class_init (PikaStrokeEditorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->constructed = pika_stroke_editor_constructed;
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object_class->set_property = pika_stroke_editor_set_property;
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object_class->get_property = pika_stroke_editor_get_property;
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g_object_class_install_property (object_class, PROP_OPTIONS,
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g_param_spec_object ("options", NULL, NULL,
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PIKA_TYPE_STROKE_OPTIONS,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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g_object_class_install_property (object_class, PROP_RESOLUTION,
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g_param_spec_double ("resolution", NULL, NULL,
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PIKA_MIN_RESOLUTION,
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PIKA_MAX_RESOLUTION,
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72.0,
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PIKA_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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pika_stroke_editor_init (PikaStrokeEditor *editor)
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{
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}
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static void
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pika_stroke_editor_constructed (GObject *object)
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{
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PikaFillEditor *fill_editor = PIKA_FILL_EDITOR (object);
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PikaStrokeEditor *editor = PIKA_STROKE_EDITOR (object);
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PikaStrokeOptions *options;
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PikaEnumStore *store;
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GEnumClass *enum_class;
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GEnumValue *value;
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GtkWidget *scale;
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GtkWidget *box;
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GtkWidget *size;
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GtkWidget *label;
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GtkWidget *frame;
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GtkWidget *grid;
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GtkWidget *dash_editor;
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GtkWidget *button;
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GtkCellRenderer *cell;
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gint row = 0;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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pika_assert (PIKA_IS_STROKE_OPTIONS (fill_editor->options));
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options = PIKA_STROKE_OPTIONS (fill_editor->options);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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gtk_box_pack_start (GTK_BOX (editor), box, FALSE, FALSE, 0);
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gtk_widget_show (box);
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label = gtk_label_new (_("Line width:"));
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gtk_box_pack_start (GTK_BOX (box), label, FALSE, FALSE, 0);
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gtk_widget_show (label);
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size = pika_prop_size_entry_new (G_OBJECT (options),
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"width", FALSE, "unit",
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"%a", PIKA_SIZE_ENTRY_UPDATE_SIZE,
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editor->resolution);
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pika_size_entry_set_pixel_digits (PIKA_SIZE_ENTRY (size), 1);
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gtk_box_pack_start (GTK_BOX (box), size, FALSE, FALSE, 0);
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grid = gtk_grid_new ();
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gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
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gtk_grid_set_row_spacing (GTK_GRID (grid), 3);
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gtk_container_add (GTK_CONTAINER (editor), grid);
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gtk_widget_show (grid);
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box = pika_prop_enum_icon_box_new (G_OBJECT (options), "cap-style",
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"pika-cap", 0, 0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, row++,
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_("_Cap style:"), 0.0, 0.5,
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box, 2);
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box = pika_prop_enum_icon_box_new (G_OBJECT (options), "join-style",
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"pika-join", 0, 0);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, row++,
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_("_Join style:"), 0.0, 0.5,
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box, 2);
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scale = pika_prop_scale_entry_new (G_OBJECT (options), "miter-limit",
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NULL, 1.0, FALSE, 0.0, 0.0);
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gtk_widget_hide (pika_labeled_get_label (PIKA_LABELED (scale)));
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pika_grid_attach_aligned (GTK_GRID (grid), 0, row++,
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_("_Miter limit:"),
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0.0, 0.5, scale, 2);
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frame = gtk_frame_new (NULL);
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gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, row++,
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_("Dash pattern:"), 0.0, 0.5,
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frame, 2);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_container_add (GTK_CONTAINER (frame), box);
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gtk_widget_show (box);
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dash_editor = pika_dash_editor_new (options);
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button = g_object_new (GTK_TYPE_BUTTON,
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"width-request", 14,
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NULL);
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gtk_box_pack_start (GTK_BOX (box), button, FALSE, TRUE, 0);
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gtk_widget_show (button);
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g_signal_connect_object (button, "clicked",
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G_CALLBACK (pika_dash_editor_shift_left),
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dash_editor, G_CONNECT_SWAPPED);
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g_signal_connect_after (button, "draw",
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G_CALLBACK (pika_stroke_editor_draw_button),
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button);
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gtk_box_pack_start (GTK_BOX (box), dash_editor, TRUE, TRUE, 0);
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gtk_widget_show (dash_editor);
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button = g_object_new (GTK_TYPE_BUTTON,
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"width-request", 14,
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NULL);
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gtk_box_pack_start (GTK_BOX (box), button, FALSE, TRUE, 0);
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gtk_widget_show (button);
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g_signal_connect_object (button, "clicked",
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G_CALLBACK (pika_dash_editor_shift_right),
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dash_editor, G_CONNECT_SWAPPED);
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g_signal_connect_after (button, "draw",
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G_CALLBACK (pika_stroke_editor_draw_button),
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NULL);
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store = g_object_new (PIKA_TYPE_ENUM_STORE,
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"enum-type", PIKA_TYPE_DASH_PRESET,
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"user-data-type", PIKA_TYPE_DASH_PATTERN,
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NULL);
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enum_class = g_type_class_ref (PIKA_TYPE_DASH_PRESET);
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for (value = enum_class->values; value->value_name; value++)
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{
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GtkTreeIter iter = { 0, };
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const gchar *desc;
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desc = pika_enum_value_get_desc (enum_class, value);
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gtk_list_store_append (GTK_LIST_STORE (store), &iter);
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gtk_list_store_set (GTK_LIST_STORE (store), &iter,
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PIKA_INT_STORE_VALUE, value->value,
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PIKA_INT_STORE_LABEL, desc,
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-1);
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}
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g_type_class_unref (enum_class);
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box = pika_enum_combo_box_new_with_model (store);
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g_object_unref (store);
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pika_int_combo_box_set_active (PIKA_INT_COMBO_BOX (box), PIKA_DASH_CUSTOM);
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pika_grid_attach_aligned (GTK_GRID (grid), 0, row++,
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_("Dash _preset:"), 0.0, 0.5,
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box, 2);
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cell = g_object_new (PIKA_TYPE_CELL_RENDERER_DASHES,
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"xpad", 2,
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NULL);
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gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (box), cell, FALSE);
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gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (box), cell,
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"pattern", PIKA_INT_STORE_USER_DATA);
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pika_stroke_editor_combo_fill (options, GTK_COMBO_BOX (box));
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g_signal_connect (box, "changed",
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G_CALLBACK (pika_stroke_editor_dash_preset),
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options);
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g_signal_connect_object (options, "dash-info-changed",
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G_CALLBACK (pika_int_combo_box_set_active),
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box, G_CONNECT_SWAPPED);
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}
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static void
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pika_stroke_editor_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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PikaFillEditor *fill_editor = PIKA_FILL_EDITOR (object);
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PikaStrokeEditor *editor = PIKA_STROKE_EDITOR (object);
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switch (property_id)
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{
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case PROP_OPTIONS:
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if (fill_editor->options)
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g_object_unref (fill_editor->options);
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fill_editor->options = g_value_dup_object (value);
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break;
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case PROP_RESOLUTION:
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editor->resolution = g_value_get_double (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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pika_stroke_editor_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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PikaFillEditor *fill_editor = PIKA_FILL_EDITOR (object);
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PikaStrokeEditor *editor = PIKA_STROKE_EDITOR (object);
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switch (property_id)
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{
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case PROP_OPTIONS:
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g_value_set_object (value, fill_editor->options);
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break;
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case PROP_RESOLUTION:
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g_value_set_double (value, editor->resolution);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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GtkWidget *
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pika_stroke_editor_new (PikaStrokeOptions *options,
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gdouble resolution,
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gboolean edit_context,
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gboolean use_custom_style)
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{
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g_return_val_if_fail (PIKA_IS_STROKE_OPTIONS (options), NULL);
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return g_object_new (PIKA_TYPE_STROKE_EDITOR,
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"options", options,
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"resolution", resolution,
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"edit-context", edit_context ? TRUE : FALSE,
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"use-custom-style", use_custom_style ? TRUE: FALSE,
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NULL);
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}
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static gboolean
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pika_stroke_editor_draw_button (GtkWidget *widget,
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cairo_t *cr,
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gpointer data)
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{
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GtkStyleContext *style = gtk_widget_get_style_context (widget);
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GtkAllocation allocation;
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gint w;
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gtk_widget_get_allocation (widget, &allocation);
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w = MIN (allocation.width, allocation.height) * 2 / 3;
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gtk_style_context_save (style);
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gtk_style_context_set_state (style, gtk_widget_get_state_flags (widget));
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gtk_render_arrow (style, cr,
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data ? 3 * (G_PI / 2) : 1 * (G_PI / 2),
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(allocation.width - w) / 2,
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(allocation.height - w) / 2,
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w);
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gtk_style_context_restore (style);
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return FALSE;
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}
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static void
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pika_stroke_editor_dash_preset (GtkWidget *widget,
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PikaStrokeOptions *options)
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{
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gint value;
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if (pika_int_combo_box_get_active (PIKA_INT_COMBO_BOX (widget), &value) &&
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value != PIKA_DASH_CUSTOM)
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{
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pika_stroke_options_take_dash_pattern (options, value, NULL);
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}
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}
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static void
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pika_stroke_editor_combo_update (GtkTreeModel *model,
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GParamSpec *pspec,
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PikaStrokeOptions *options)
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{
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GtkTreeIter iter;
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if (pika_int_store_lookup_by_value (model, PIKA_DASH_CUSTOM, &iter))
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{
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gtk_list_store_set (GTK_LIST_STORE (model), &iter,
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PIKA_INT_STORE_USER_DATA,
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pika_stroke_options_get_dash_info (options),
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-1);
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}
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}
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static void
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pika_stroke_editor_combo_fill (PikaStrokeOptions *options,
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GtkComboBox *box)
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{
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GtkTreeModel *model = gtk_combo_box_get_model (box);
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GtkTreeIter iter;
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gboolean iter_valid;
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for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
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iter_valid;
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iter_valid = gtk_tree_model_iter_next (model, &iter))
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{
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gint value;
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gtk_tree_model_get (model, &iter,
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PIKA_INT_STORE_VALUE, &value,
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-1);
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if (value == PIKA_DASH_CUSTOM)
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{
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gtk_list_store_set (GTK_LIST_STORE (model), &iter,
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PIKA_INT_STORE_USER_DATA,
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pika_stroke_options_get_dash_info (options),
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-1);
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g_signal_connect_object (options, "notify::dash-info",
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G_CALLBACK (pika_stroke_editor_combo_update),
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model, G_CONNECT_SWAPPED);
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}
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else
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{
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GArray *pattern = pika_dash_pattern_new_from_preset (value);
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gtk_list_store_set (GTK_LIST_STORE (model), &iter,
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PIKA_INT_STORE_USER_DATA, pattern,
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-1);
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pika_dash_pattern_free (pattern);
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}
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}
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}
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