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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 03:13:10 +0000 |
commit | 3c57dd931145d43f2b0aef96c4d178135956bf91 (patch) | |
tree | 3de698981e9f0cc2c4f9569b19a5f3595e741f6b /app/widgets/gimpdrawabletreeview.c | |
parent | Initial commit. (diff) | |
download | gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip |
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | app/widgets/gimpdrawabletreeview.c | 393 |
1 files changed, 393 insertions, 0 deletions
diff --git a/app/widgets/gimpdrawabletreeview.c b/app/widgets/gimpdrawabletreeview.c new file mode 100644 index 0000000..5b17d79 --- /dev/null +++ b/app/widgets/gimpdrawabletreeview.c @@ -0,0 +1,393 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpdrawabletreeview.c + * Copyright (C) 2001-2009 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/gimp.h" +#include "core/gimpcontext.h" +#include "core/gimpdrawable.h" +#include "core/gimpdrawable-edit.h" +#include "core/gimpfilloptions.h" +#include "core/gimpimage.h" +#include "core/gimpimage-undo.h" +#include "core/gimppattern.h" + +#include "gimpcontainerview.h" +#include "gimpdnd.h" +#include "gimpdrawabletreeview.h" + +#include "gimp-intl.h" + + +static void gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *iface); + +static void gimp_drawable_tree_view_constructed (GObject *object); + +static gboolean gimp_drawable_tree_view_select_item (GimpContainerView *view, + GimpViewable *item, + gpointer insert_data); + +static gboolean gimp_drawable_tree_view_drop_possible(GimpContainerTreeView *view, + GimpDndType src_type, + GimpViewable *src_viewable, + GimpViewable *dest_viewable, + GtkTreePath *drop_path, + GtkTreeViewDropPosition drop_pos, + GtkTreeViewDropPosition *return_drop_pos, + GdkDragAction *return_drag_action); +static void gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView *view, + GimpViewable *src_viewable, + GimpViewable *dest_viewable, + GtkTreeViewDropPosition drop_pos); +static void gimp_drawable_tree_view_drop_color (GimpContainerTreeView *view, + const GimpRGB *color, + GimpViewable *dest_viewable, + GtkTreeViewDropPosition drop_pos); + +static void gimp_drawable_tree_view_set_image (GimpItemTreeView *view, + GimpImage *image); + +static void gimp_drawable_tree_view_floating_selection_changed + (GimpImage *image, + GimpDrawableTreeView *view); + +static void gimp_drawable_tree_view_new_pattern_dropped + (GtkWidget *widget, + gint x, + gint y, + GimpViewable *viewable, + gpointer data); +static void gimp_drawable_tree_view_new_color_dropped + (GtkWidget *widget, + gint x, + gint y, + const GimpRGB *color, + gpointer data); + + +G_DEFINE_TYPE_WITH_CODE (GimpDrawableTreeView, gimp_drawable_tree_view, + GIMP_TYPE_ITEM_TREE_VIEW, + G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW, + gimp_drawable_tree_view_view_iface_init)) + +#define parent_class gimp_drawable_tree_view_parent_class + +static GimpContainerViewInterface *parent_view_iface = NULL; + + +static void +gimp_drawable_tree_view_class_init (GimpDrawableTreeViewClass *klass) +{ + GObjectClass *object_class; + GimpContainerTreeViewClass *tree_view_class; + GimpItemTreeViewClass *item_view_class; + + object_class = G_OBJECT_CLASS (klass); + tree_view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass); + item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass); + + object_class->constructed = gimp_drawable_tree_view_constructed; + + tree_view_class->drop_possible = gimp_drawable_tree_view_drop_possible; + tree_view_class->drop_viewable = gimp_drawable_tree_view_drop_viewable; + tree_view_class->drop_color = gimp_drawable_tree_view_drop_color; + + item_view_class->set_image = gimp_drawable_tree_view_set_image; + + item_view_class->lock_content_icon_name = GIMP_ICON_TOOL_PAINTBRUSH; + item_view_class->lock_content_tooltip = _("Lock pixels"); + item_view_class->lock_position_icon_name = GIMP_ICON_TOOL_MOVE; + item_view_class->lock_position_tooltip = _("Lock position and size"); +} + +static void +gimp_drawable_tree_view_view_iface_init (GimpContainerViewInterface *iface) +{ + parent_view_iface = g_type_interface_peek_parent (iface); + + iface->select_item = gimp_drawable_tree_view_select_item; +} + +static void +gimp_drawable_tree_view_init (GimpDrawableTreeView *view) +{ +} + +static void +gimp_drawable_tree_view_constructed (GObject *object) +{ + GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (object); + GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (object); + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_dnd_viewable_dest_add (gimp_item_tree_view_get_new_button (item_view), + GIMP_TYPE_PATTERN, + gimp_drawable_tree_view_new_pattern_dropped, + item_view); + gimp_dnd_color_dest_add (gimp_item_tree_view_get_new_button (item_view), + gimp_drawable_tree_view_new_color_dropped, + item_view); + + gimp_dnd_color_dest_add (GTK_WIDGET (tree_view->view), + NULL, tree_view); + gimp_dnd_viewable_dest_add (GTK_WIDGET (tree_view->view), GIMP_TYPE_PATTERN, + NULL, tree_view); +} + + +/* GimpContainerView methods */ + +static gboolean +gimp_drawable_tree_view_select_item (GimpContainerView *view, + GimpViewable *item, + gpointer insert_data) +{ + GimpItemTreeView *item_view = GIMP_ITEM_TREE_VIEW (view); + GimpImage *image = gimp_item_tree_view_get_image (item_view); + gboolean success = TRUE; + + if (image) + { + GimpLayer *floating_sel = gimp_image_get_floating_selection (image); + + success = (item == NULL || + floating_sel == NULL || + item == GIMP_VIEWABLE (floating_sel)); + + if (! success) + { + Gimp *gimp = image->gimp; + GimpContext *context = gimp_get_user_context (gimp); + GObject *display = gimp_context_get_display (context); + + gimp_message_literal (gimp, display, GIMP_MESSAGE_WARNING, + _("Cannot select item while a floating " + "selection is active.")); + } + } + + if (success) + success = parent_view_iface->select_item (view, item, insert_data); + + return success; +} + + +/* GimpContainerTreeView methods */ + +static gboolean +gimp_drawable_tree_view_drop_possible (GimpContainerTreeView *tree_view, + GimpDndType src_type, + GimpViewable *src_viewable, + GimpViewable *dest_viewable, + GtkTreePath *drop_path, + GtkTreeViewDropPosition drop_pos, + GtkTreeViewDropPosition *return_drop_pos, + GdkDragAction *return_drag_action) +{ + if (GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view, + src_type, + src_viewable, + dest_viewable, + drop_path, + drop_pos, + return_drop_pos, + return_drag_action)) + { + if (src_type == GIMP_DND_TYPE_COLOR || + src_type == GIMP_DND_TYPE_PATTERN) + { + if (! dest_viewable || + gimp_item_is_content_locked (GIMP_ITEM (dest_viewable)) || + gimp_viewable_get_children (GIMP_VIEWABLE (dest_viewable))) + return FALSE; + + if (return_drop_pos) + { + *return_drop_pos = GTK_TREE_VIEW_DROP_INTO_OR_AFTER; + } + } + + return TRUE; + } + + return FALSE; +} + +static void +gimp_drawable_tree_view_drop_viewable (GimpContainerTreeView *view, + GimpViewable *src_viewable, + GimpViewable *dest_viewable, + GtkTreeViewDropPosition drop_pos) +{ + if (dest_viewable && GIMP_IS_PATTERN (src_viewable)) + { + GimpImage *image = gimp_item_get_image (GIMP_ITEM (dest_viewable)); + GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE); + + gimp_fill_options_set_style (options, GIMP_FILL_STYLE_PATTERN); + gimp_context_set_pattern (GIMP_CONTEXT (options), + GIMP_PATTERN (src_viewable)); + + gimp_drawable_edit_fill (GIMP_DRAWABLE (dest_viewable), + options, + C_("undo-type", "Drop pattern to layer")); + + g_object_unref (options); + + gimp_image_flush (image); + return; + } + + GIMP_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_viewable (view, + src_viewable, + dest_viewable, + drop_pos); +} + +static void +gimp_drawable_tree_view_drop_color (GimpContainerTreeView *view, + const GimpRGB *color, + GimpViewable *dest_viewable, + GtkTreeViewDropPosition drop_pos) +{ + if (dest_viewable) + { + GimpImage *image = gimp_item_get_image (GIMP_ITEM (dest_viewable)); + GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE); + + gimp_fill_options_set_style (options, GIMP_FILL_STYLE_SOLID); + gimp_context_set_foreground (GIMP_CONTEXT (options), color); + + gimp_drawable_edit_fill (GIMP_DRAWABLE (dest_viewable), + options, + C_("undo-type", "Drop color to layer")); + + g_object_unref (options); + + gimp_image_flush (image); + } +} + + +/* GimpItemTreeView methods */ + +static void +gimp_drawable_tree_view_set_image (GimpItemTreeView *view, + GimpImage *image) +{ + if (gimp_item_tree_view_get_image (view)) + g_signal_handlers_disconnect_by_func (gimp_item_tree_view_get_image (view), + gimp_drawable_tree_view_floating_selection_changed, + view); + + GIMP_ITEM_TREE_VIEW_CLASS (parent_class)->set_image (view, image); + + if (gimp_item_tree_view_get_image (view)) + g_signal_connect (gimp_item_tree_view_get_image (view), + "floating-selection-changed", + G_CALLBACK (gimp_drawable_tree_view_floating_selection_changed), + view); +} + + +/* callbacks */ + +static void +gimp_drawable_tree_view_floating_selection_changed (GimpImage *image, + GimpDrawableTreeView *view) +{ + GimpItem *item; + + item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (image); + + /* update button states */ + gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view), + (GimpViewable *) item); +} + +static void +gimp_drawable_tree_view_new_dropped (GimpItemTreeView *view, + GimpFillOptions *options, + const gchar *undo_desc) +{ + GimpImage *image = gimp_item_tree_view_get_image (view); + GimpItem *item; + + gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE, + _("New Layer")); + + item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->new_item (image); + + if (item) + gimp_drawable_edit_fill (GIMP_DRAWABLE (item), options, undo_desc); + + gimp_image_undo_group_end (image); + + gimp_image_flush (image); +} + +static void +gimp_drawable_tree_view_new_pattern_dropped (GtkWidget *widget, + gint x, + gint y, + GimpViewable *viewable, + gpointer data) +{ + GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data); + GimpImage *image = gimp_item_tree_view_get_image (view); + GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE); + + gimp_fill_options_set_style (options, GIMP_FILL_STYLE_PATTERN); + gimp_context_set_pattern (GIMP_CONTEXT (options), GIMP_PATTERN (viewable)); + + gimp_drawable_tree_view_new_dropped (view, options, + C_("undo-type", "Drop pattern to layer")); + + g_object_unref (options); +} + +static void +gimp_drawable_tree_view_new_color_dropped (GtkWidget *widget, + gint x, + gint y, + const GimpRGB *color, + gpointer data) +{ + GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data); + GimpImage *image = gimp_item_tree_view_get_image (view); + GimpFillOptions *options = gimp_fill_options_new (image->gimp, NULL, FALSE); + + gimp_fill_options_set_style (options, GIMP_FILL_STYLE_SOLID); + gimp_context_set_foreground (GIMP_CONTEXT (options), color); + + gimp_drawable_tree_view_new_dropped (view, options, + C_("undo-type", "Drop color to layer")); + + g_object_unref (options); +} |