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Diffstat (limited to '')
-rw-r--r-- | app/widgets/gimpbrushfactoryview.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/app/widgets/gimpbrushfactoryview.c b/app/widgets/gimpbrushfactoryview.c new file mode 100644 index 0000000..9c55b24 --- /dev/null +++ b/app/widgets/gimpbrushfactoryview.c @@ -0,0 +1,253 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpbrushfactoryview.c + * Copyright (C) 2001 Michael Natterer <mitch@gimp.org> + * + * 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 "libgimpwidgets/gimpwidgets.h" + +#include "widgets-types.h" + +#include "core/gimpcontainer.h" +#include "core/gimpcontext.h" +#include "core/gimpbrush.h" +#include "core/gimpbrushgenerated.h" +#include "core/gimpdatafactory.h" + +#include "gimpbrushfactoryview.h" +#include "gimpcontainerview.h" +#include "gimpeditor.h" +#include "gimpmenufactory.h" +#include "gimpspinscale.h" +#include "gimpviewrenderer.h" + +#include "gimp-intl.h" + + +static void gimp_brush_factory_view_dispose (GObject *object); + +static void gimp_brush_factory_view_select_item (GimpContainerEditor *editor, + GimpViewable *viewable); + +static void gimp_brush_factory_view_spacing_changed (GimpBrush *brush, + GimpBrushFactoryView *view); +static void gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment, + GimpBrushFactoryView *view); + + +G_DEFINE_TYPE (GimpBrushFactoryView, gimp_brush_factory_view, + GIMP_TYPE_DATA_FACTORY_VIEW) + +#define parent_class gimp_brush_factory_view_parent_class + + +static void +gimp_brush_factory_view_class_init (GimpBrushFactoryViewClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpContainerEditorClass *editor_class = GIMP_CONTAINER_EDITOR_CLASS (klass); + + object_class->dispose = gimp_brush_factory_view_dispose; + + editor_class->select_item = gimp_brush_factory_view_select_item; +} + +static void +gimp_brush_factory_view_init (GimpBrushFactoryView *view) +{ + view->spacing_adjustment = + GTK_ADJUSTMENT (gtk_adjustment_new (0.0, 1.0, 5000.0, + 1.0, 10.0, 0.0)); + + view->spacing_scale = gimp_spin_scale_new (view->spacing_adjustment, + _("Spacing"), 1); + gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (view->spacing_scale), + 1.0, 200.0); + gimp_help_set_help_data (view->spacing_scale, + _("Percentage of width of brush"), + NULL); + + g_signal_connect (view->spacing_adjustment, "value-changed", + G_CALLBACK (gimp_brush_factory_view_spacing_update), + view); +} + +static void +gimp_brush_factory_view_dispose (GObject *object) +{ + GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (object); + GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (object); + + if (view->spacing_changed_handler_id) + { + GimpDataFactory *factory; + GimpContainer *container; + + factory = gimp_data_factory_view_get_data_factory (GIMP_DATA_FACTORY_VIEW (editor)); + container = gimp_data_factory_get_container (factory); + + gimp_container_remove_handler (container, + view->spacing_changed_handler_id); + + view->spacing_changed_handler_id = 0; + } + + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +GtkWidget * +gimp_brush_factory_view_new (GimpViewType view_type, + GimpDataFactory *factory, + GimpContext *context, + gboolean change_brush_spacing, + gint view_size, + gint view_border_width, + GimpMenuFactory *menu_factory) +{ + GimpBrushFactoryView *factory_view; + GimpContainerEditor *editor; + + g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL); + g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL); + g_return_val_if_fail (view_size > 0 && + view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL); + g_return_val_if_fail (view_border_width >= 0 && + view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH, + NULL); + g_return_val_if_fail (menu_factory == NULL || + GIMP_IS_MENU_FACTORY (menu_factory), NULL); + + factory_view = g_object_new (GIMP_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", "<Brushes>", + "ui-path", "/brushes-popup", + "action-group", "brushes", + NULL); + + factory_view->change_brush_spacing = change_brush_spacing; + + editor = GIMP_CONTAINER_EDITOR (factory_view); + + gimp_editor_add_action_button (GIMP_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 = + gimp_container_add_handler (gimp_data_factory_get_container (factory), "spacing-changed", + G_CALLBACK (gimp_brush_factory_view_spacing_changed), + factory_view); + + return GTK_WIDGET (factory_view); +} + +static void +gimp_brush_factory_view_select_item (GimpContainerEditor *editor, + GimpViewable *viewable) +{ + GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (editor); + GimpContainer *container; + gboolean spacing_sensitive = FALSE; + + if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item) + GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable); + + container = gimp_container_view_get_container (editor->view); + + if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable))) + { + GimpBrush *brush = GIMP_BRUSH (viewable); + + spacing_sensitive = TRUE; + + g_signal_handlers_block_by_func (view->spacing_adjustment, + gimp_brush_factory_view_spacing_update, + view); + + gtk_adjustment_set_value (view->spacing_adjustment, + gimp_brush_get_spacing (brush)); + + g_signal_handlers_unblock_by_func (view->spacing_adjustment, + gimp_brush_factory_view_spacing_update, + view); + } + + gtk_widget_set_sensitive (view->spacing_scale, spacing_sensitive); +} + +static void +gimp_brush_factory_view_spacing_changed (GimpBrush *brush, + GimpBrushFactoryView *view) +{ + GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view); + GimpContext *context; + + context = gimp_container_view_get_context (editor->view); + + if (brush == gimp_context_get_brush (context)) + { + g_signal_handlers_block_by_func (view->spacing_adjustment, + gimp_brush_factory_view_spacing_update, + view); + + gtk_adjustment_set_value (view->spacing_adjustment, + gimp_brush_get_spacing (brush)); + + g_signal_handlers_unblock_by_func (view->spacing_adjustment, + gimp_brush_factory_view_spacing_update, + view); + } +} + +static void +gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment, + GimpBrushFactoryView *view) +{ + GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view); + GimpContext *context; + GimpBrush *brush; + + context = gimp_container_view_get_context (editor->view); + + brush = gimp_context_get_brush (context); + + if (brush && view->change_brush_spacing) + { + g_signal_handlers_block_by_func (brush, + gimp_brush_factory_view_spacing_changed, + view); + + gimp_brush_set_spacing (brush, gtk_adjustment_get_value (adjustment)); + + g_signal_handlers_unblock_by_func (brush, + gimp_brush_factory_view_spacing_changed, + view); + } +} |