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-rw-r--r--app/widgets/gimpstrokeeditor.c420
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diff --git a/app/widgets/gimpstrokeeditor.c b/app/widgets/gimpstrokeeditor.c
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+/* 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.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_constructed (GObject *object);
+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 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);
+
+
+G_DEFINE_TYPE (GimpStrokeEditor, gimp_stroke_editor, GIMP_TYPE_FILL_EDITOR)
+
+#define parent_class gimp_stroke_editor_parent_class
+
+
+static void
+gimp_stroke_editor_class_init (GimpStrokeEditorClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_stroke_editor_constructed;
+ object_class->set_property = gimp_stroke_editor_set_property;
+ object_class->get_property = gimp_stroke_editor_get_property;
+
+ g_object_class_install_property (object_class, PROP_OPTIONS,
+ g_param_spec_object ("options", NULL, NULL,
+ GIMP_TYPE_STROKE_OPTIONS,
+ GIMP_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,
+ GIMP_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gimp_stroke_editor_init (GimpStrokeEditor *editor)
+{
+}
+
+static void
+gimp_stroke_editor_constructed (GObject *object)
+{
+ GimpFillEditor *fill_editor = GIMP_FILL_EDITOR (object);
+ GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
+ GimpStrokeOptions *options;
+ GimpEnumStore *store;
+ GEnumValue *value;
+ GtkWidget *box;
+ GtkWidget *size;
+ GtkWidget *label;
+ GtkWidget *frame;
+ GtkWidget *table;
+ GtkWidget *expander;
+ GtkWidget *dash_editor;
+ GtkWidget *button;
+ GtkCellRenderer *cell;
+ gint row = 0;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_assert (GIMP_IS_STROKE_OPTIONS (fill_editor->options));
+
+ options = GIMP_STROKE_OPTIONS (fill_editor->options);
+
+ box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 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 (options),
+ "width", FALSE, "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), 6);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 3);
+ gtk_table_set_row_spacing (GTK_TABLE (table), 2, 6);
+ gtk_table_set_row_spacing (GTK_TABLE (table), 4, 6);
+ gtk_container_add (GTK_CONTAINER (frame), table);
+ gtk_widget_show (table);
+
+ box = gimp_prop_enum_icon_box_new (G_OBJECT (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_icon_box_new (G_OBJECT (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 (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_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+ gtk_container_add (GTK_CONTAINER (frame), box);
+ gtk_widget_show (box);
+
+ dash_editor = gimp_dash_editor_new (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);
+
+
+ store = g_object_new (GIMP_TYPE_ENUM_STORE,
+ "enum-type", GIMP_TYPE_DASH_PRESET,
+ "user-data-type", GIMP_TYPE_DASH_PATTERN,
+ NULL);
+
+ for (value = store->enum_class->values; value->value_name; value++)
+ {
+ GtkTreeIter iter = { 0, };
+ const gchar *desc;
+
+ desc = gimp_enum_value_get_desc (store->enum_class, value);
+
+ gtk_list_store_append (GTK_LIST_STORE (store), &iter);
+ gtk_list_store_set (GTK_LIST_STORE (store), &iter,
+ GIMP_INT_STORE_VALUE, value->value,
+ GIMP_INT_STORE_LABEL, desc,
+ -1);
+ }
+
+ box = gimp_enum_combo_box_new_with_model (store);
+ g_object_unref (store);
+
+ 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 (options, GTK_COMBO_BOX (box));
+
+ g_signal_connect (box, "changed",
+ G_CALLBACK (gimp_stroke_editor_dash_preset),
+ options);
+ g_signal_connect_object (options, "dash-info-changed",
+ G_CALLBACK (gimp_int_combo_box_set_active),
+ box, G_CONNECT_SWAPPED);
+}
+
+static void
+gimp_stroke_editor_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpFillEditor *fill_editor = GIMP_FILL_EDITOR (object);
+ GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
+
+ switch (property_id)
+ {
+ case PROP_OPTIONS:
+ if (fill_editor->options)
+ g_object_unref (fill_editor->options);
+ fill_editor->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)
+{
+ GimpFillEditor *fill_editor = GIMP_FILL_EDITOR (object);
+ GimpStrokeEditor *editor = GIMP_STROKE_EDITOR (object);
+
+ switch (property_id)
+ {
+ case PROP_OPTIONS:
+ g_value_set_object (value, fill_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;
+ }
+}
+
+GtkWidget *
+gimp_stroke_editor_new (GimpStrokeOptions *options,
+ gdouble resolution,
+ gboolean edit_context)
+{
+ g_return_val_if_fail (GIMP_IS_STROKE_OPTIONS (options), NULL);
+
+ return g_object_new (GIMP_TYPE_STROKE_EDITOR,
+ "options", options,
+ "resolution", resolution,
+ "edit-context", edit_context ? TRUE : FALSE,
+ NULL);
+}
+
+static gboolean
+gimp_stroke_editor_paint_button (GtkWidget *widget,
+ GdkEventExpose *event,
+ gpointer data)
+{
+ GtkStyle *style = gtk_widget_get_style (widget);
+ GtkAllocation allocation;
+ gint w;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ w = MIN (allocation.width, allocation.height) * 2 / 3;
+
+ gtk_paint_arrow (style,
+ gtk_widget_get_window (widget),
+ gtk_widget_get_state (widget),
+ GTK_SHADOW_IN,
+ &event->area, widget, NULL,
+ data ? GTK_ARROW_LEFT : GTK_ARROW_RIGHT, TRUE,
+ allocation.x + (allocation.width - w) / 2,
+ allocation.y + (allocation.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_take_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))
+ {
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+ GIMP_INT_STORE_USER_DATA,
+ gimp_stroke_options_get_dash_info (options),
+ -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))
+ {
+ gint value;
+
+ gtk_tree_model_get (model, &iter,
+ GIMP_INT_STORE_VALUE, &value,
+ -1);
+
+ if (value == GIMP_DASH_CUSTOM)
+ {
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+ GIMP_INT_STORE_USER_DATA,
+ gimp_stroke_options_get_dash_info (options),
+ -1);
+
+ g_signal_connect_object (options, "notify::dash-info",
+ G_CALLBACK (gimp_stroke_editor_combo_update),
+ model, G_CONNECT_SWAPPED);
+ }
+ else
+ {
+ GArray *pattern = gimp_dash_pattern_new_from_preset (value);
+
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+ GIMP_INT_STORE_USER_DATA, pattern,
+ -1);
+ gimp_dash_pattern_free (pattern);
+ }
+ }
+}