/* PIKA - Photo and Image Kooker Application * a rebranding of The GNU Image Manipulation Program (created with heckimp) * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio * * Original copyright, applying to most contents (license remains unchanged): * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * pikabrushfactoryview.c * Copyright (C) 2001 Michael Natterer * * 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 . */ #include "config.h" #include #include #include "libpikawidgets/pikawidgets.h" #include "widgets-types.h" #include "core/pikacontainer.h" #include "core/pikacontext.h" #include "core/pikabrush.h" #include "core/pikabrushgenerated.h" #include "core/pikadatafactory.h" #include "pikabrushfactoryview.h" #include "pikacontainerview.h" #include "pikaeditor.h" #include "pikamenufactory.h" #include "pikaviewrenderer.h" #include "pika-intl.h" enum { SPACING_CHANGED, LAST_SIGNAL }; static void pika_brush_factory_view_dispose (GObject *object); static void pika_brush_factory_view_select_item (PikaContainerEditor *editor, PikaViewable *viewable); static void pika_brush_factory_view_spacing_changed (PikaBrush *brush, PikaBrushFactoryView *view); static void pika_brush_factory_view_spacing_update (GtkAdjustment *adjustment, PikaBrushFactoryView *view); G_DEFINE_TYPE (PikaBrushFactoryView, pika_brush_factory_view, PIKA_TYPE_DATA_FACTORY_VIEW) #define parent_class pika_brush_factory_view_parent_class static guint pika_brush_factory_view_signals[LAST_SIGNAL] = { 0 }; static void pika_brush_factory_view_class_init (PikaBrushFactoryViewClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); PikaContainerEditorClass *editor_class = PIKA_CONTAINER_EDITOR_CLASS (klass); object_class->dispose = pika_brush_factory_view_dispose; editor_class->select_item = pika_brush_factory_view_select_item; /** * PikaBrushFactoryView::spacing-changed: * @view: the #PikaBrushFactoryView. * * Emitted when the spacing changed. */ pika_brush_factory_view_signals[SPACING_CHANGED] = g_signal_new ("spacing-changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (PikaBrushFactoryViewClass, spacing_changed), NULL, NULL, NULL, G_TYPE_NONE, 0); } static void pika_brush_factory_view_init (PikaBrushFactoryView *view) { view->spacing_adjustment = gtk_adjustment_new (0.0, 1.0, 5000.0, 1.0, 10.0, 0.0); view->spacing_scale = pika_spin_scale_new (view->spacing_adjustment, _("Spacing"), 1); pika_spin_scale_set_scale_limits (PIKA_SPIN_SCALE (view->spacing_scale), 1.0, 200.0); pika_help_set_help_data (view->spacing_scale, _("Percentage of width of brush"), NULL); g_signal_connect (view->spacing_adjustment, "value-changed", G_CALLBACK (pika_brush_factory_view_spacing_update), view); } static void pika_brush_factory_view_dispose (GObject *object) { PikaBrushFactoryView *view = PIKA_BRUSH_FACTORY_VIEW (object); PikaContainerEditor *editor = PIKA_CONTAINER_EDITOR (object); if (view->spacing_changed_handler_id) { PikaDataFactory *factory; PikaContainer *container; factory = pika_data_factory_view_get_data_factory (PIKA_DATA_FACTORY_VIEW (editor)); container = pika_data_factory_get_container (factory); pika_container_remove_handler (container, view->spacing_changed_handler_id); view->spacing_changed_handler_id = 0; } G_OBJECT_CLASS (parent_class)->dispose (object); } GtkWidget * pika_brush_factory_view_new (PikaViewType view_type, PikaDataFactory *factory, PikaContext *context, gboolean change_brush_spacing, gint view_size, gint view_border_width, PikaMenuFactory *menu_factory) { PikaBrushFactoryView *factory_view; PikaContainerEditor *editor; g_return_val_if_fail (PIKA_IS_DATA_FACTORY (factory), NULL); g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL); g_return_val_if_fail (view_size > 0 && view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE, NULL); g_return_val_if_fail (view_border_width >= 0 && view_border_width <= PIKA_VIEW_MAX_BORDER_WIDTH, NULL); g_return_val_if_fail (menu_factory == NULL || PIKA_IS_MENU_FACTORY (menu_factory), NULL); factory_view = g_object_new (PIKA_TYPE_BRUSH_FACTORY_VIEW, "view-type", view_type, "data-factory", factory, "context", context, "view-size", view_size, "view-border-width", view_border_width, "menu-factory", menu_factory, "menu-identifier", "", "ui-path", "/brushes-popup", "action-group", "brushes", NULL); factory_view->change_brush_spacing = change_brush_spacing; editor = PIKA_CONTAINER_EDITOR (factory_view); pika_editor_add_action_button (PIKA_EDITOR (editor->view), "brushes", "brushes-open-as-image", NULL); gtk_box_pack_end (GTK_BOX (editor->view), factory_view->spacing_scale, FALSE, FALSE, 0); gtk_widget_show (factory_view->spacing_scale); factory_view->spacing_changed_handler_id = pika_container_add_handler (pika_data_factory_get_container (factory), "spacing-changed", G_CALLBACK (pika_brush_factory_view_spacing_changed), factory_view); return GTK_WIDGET (factory_view); } static void pika_brush_factory_view_select_item (PikaContainerEditor *editor, PikaViewable *viewable) { PikaBrushFactoryView *view = PIKA_BRUSH_FACTORY_VIEW (editor); PikaContainer *container; gboolean spacing_sensitive = FALSE; if (PIKA_CONTAINER_EDITOR_CLASS (parent_class)->select_item) PIKA_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable); container = pika_container_view_get_container (editor->view); if (viewable && pika_container_have (container, PIKA_OBJECT (viewable))) { PikaBrush *brush = PIKA_BRUSH (viewable); spacing_sensitive = TRUE; g_signal_handlers_block_by_func (view->spacing_adjustment, pika_brush_factory_view_spacing_update, view); gtk_adjustment_set_value (view->spacing_adjustment, pika_brush_get_spacing (brush)); g_signal_handlers_unblock_by_func (view->spacing_adjustment, pika_brush_factory_view_spacing_update, view); } gtk_widget_set_sensitive (view->spacing_scale, spacing_sensitive); } static void pika_brush_factory_view_spacing_changed (PikaBrush *brush, PikaBrushFactoryView *view) { PikaContainerEditor *editor = PIKA_CONTAINER_EDITOR (view); PikaContext *context; context = pika_container_view_get_context (editor->view); if (brush == pika_context_get_brush (context)) { g_signal_handlers_block_by_func (view->spacing_adjustment, pika_brush_factory_view_spacing_update, view); gtk_adjustment_set_value (view->spacing_adjustment, pika_brush_get_spacing (brush)); g_signal_handlers_unblock_by_func (view->spacing_adjustment, pika_brush_factory_view_spacing_update, view); } } static void pika_brush_factory_view_spacing_update (GtkAdjustment *adjustment, PikaBrushFactoryView *view) { PikaContainerEditor *editor = PIKA_CONTAINER_EDITOR (view); PikaContext *context; PikaBrush *brush; context = pika_container_view_get_context (editor->view); brush = pika_context_get_brush (context); if (brush && view->change_brush_spacing) { g_signal_handlers_block_by_func (brush, pika_brush_factory_view_spacing_changed, view); pika_brush_set_spacing (brush, gtk_adjustment_get_value (adjustment)); g_signal_handlers_unblock_by_func (brush, pika_brush_factory_view_spacing_changed, view); } g_signal_emit (view, pika_brush_factory_view_signals[SPACING_CHANGED], 0); }