1 files changed, 265 insertions, 0 deletions
diff --git a/src/ui/dialog/xml-tree.h b/src/ui/dialog/xml-tree.h
new file mode 100644
index 0000000..b63417a
--- /dev/null
+++ b/src/ui/dialog/xml-tree.h
@@ -0,0 +1,265 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * This is XML tree editor, which allows direct modifying of all elements
+ *   of Inkscape document, including foreign ones.
+ *//*
+ * Authors: see git history
+ * Lauris Kaplinski, 2000
+ *
+ * Copyright (C) 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef SEEN_UI_DIALOGS_XML_TREE_H
+#define SEEN_UI_DIALOGS_XML_TREE_H
+
+#include <memory>
+
+#include "ui/widget/panel.h"
+#include <gtkmm/button.h>
+#include <gtkmm/entry.h>
+#include <gtkmm/paned.h>
+#include <gtkmm/radiobutton.h>
+#include <gtkmm/scrolledwindow.h>
+#include <gtkmm/separatortoolitem.h>
+#include <gtkmm/switch.h>
+#include <gtkmm/textview.h>
+#include <gtkmm/toolbar.h>
+
+#include "message.h"
+
+#include "ui/dialog/attrdialog.h"
+#include "ui/dialog/desktop-tracker.h"
+
+
+class SPDesktop;
+class SPObject;
+struct SPXMLViewAttrList;
+struct SPXMLViewContent;
+struct SPXMLViewTree;
+
+namespace Inkscape {
+class MessageStack;
+class MessageContext;
+
+namespace XML {
+class Node;
+}
+
+namespace UI {
+namespace Dialog {
+
+/**
+ * A dialog widget to view and edit the document xml
+ *
+ */
+
+class XmlTree : public Widget::Panel {
+public:
+    XmlTree ();
+    ~XmlTree () override;
+
+    static XmlTree &getInstance() { return *new XmlTree(); }
+
+private:
+
+    /**
+     * Is invoked by the desktop tracker when the desktop changes.
+     */
+    void set_tree_desktop(SPDesktop *desktop);
+
+    /**
+     * Is invoked when the document changes
+     */
+    void set_tree_document(SPDocument *document);
+
+    /**
+     * Select a node in the xml tree
+     */
+    void set_tree_repr(Inkscape::XML::Node *repr);
+
+    /**
+     * Sets the XML status bar when the tree is selected.
+     */
+    void tree_reset_context();
+
+    /**
+     * Is the selected tree node editable
+     */
+    gboolean xml_tree_node_mutable(GtkTreeIter *node);
+
+    /**
+     * Callback to close the add dialog on Escape key
+     */
+    static gboolean quit_on_esc (GtkWidget *w, GdkEventKey *event, GObject */*tbl*/);
+
+    /**
+     * Select a node in the xml tree
+     */
+    void set_tree_select(Inkscape::XML::Node *repr);
+
+    /**
+     * Set the attribute list to match the selected node in the tree
+     */
+    void propagate_tree_select(Inkscape::XML::Node *repr);
+
+    /**
+      * Find the current desktop selection
+      */
+    Inkscape::XML::Node *get_dt_select();
+
+    /**
+      * Select the current desktop selection
+      */
+    void set_dt_select(Inkscape::XML::Node *repr);
+
+    /**
+      * Callback for a node in the tree being selected
+      */
+    static void on_tree_select_row(GtkTreeSelection *selection, gpointer data);
+    /**
+     * Callback for deferring the `on_tree_select_row` response in order to
+     * skip invalid intermediate selection states. In particular,
+     * `gtk_tree_store_remove` makes an undesired selection that we will
+     * immediately revert and don't want to an early response for.
+     */
+    static gboolean deferred_on_tree_select_row(gpointer);
+    /// Event source ID for the last scheduled `deferred_on_tree_select_row` event.
+    guint deferred_on_tree_select_row_id = 0;
+
+    /**
+      * Callback when a node is moved in the tree
+      */
+    static void after_tree_move(SPXMLViewTree *tree, gpointer value, gpointer data);
+
+    /**
+      * Callback for when an attribute is edited.
+      */
+    //static void on_attr_edited(SPXMLViewAttrList *attributes, const gchar * name, const gchar * value, gpointer /*data*/);
+
+    /**
+      * Callback for when attribute list values change
+      */
+    //static void on_attr_row_changed(SPXMLViewAttrList *attributes, const gchar * name, gpointer data);
+
+    /**
+      * Enable widgets based on current selections
+      */
+    void on_tree_select_row_enable(GtkTreeIter *node);
+    void on_tree_unselect_row_disable();
+    void on_tree_unselect_row_hide();
+    void on_attr_unselect_row_disable();
+
+    void onNameChanged();
+    void onCreateNameChanged();
+
+    /**
+      * Callbacks for changes in desktop selection and current document
+      */
+    void on_desktop_selection_changed();
+    void on_document_replaced(SPDesktop *dt, SPDocument *document);
+    static void on_document_uri_set(gchar const *uri, SPDocument *document);
+
+    static void _set_status_message(Inkscape::MessageType type, const gchar *message, GtkWidget *dialog);
+
+    /**
+      * Callbacks for toolbar buttons being pressed
+      */
+    void cmd_new_element_node();
+    void cmd_new_text_node();
+    void cmd_duplicate_node();
+    void cmd_delete_node();
+    void cmd_raise_node();
+    void cmd_lower_node();
+    void cmd_indent_node();
+    void cmd_unindent_node();
+
+    void present() override;
+    void _attrtoggler();
+    void _toggleDirection(Gtk::RadioButton *vertical);
+    void _resized();
+    bool in_dt_coordsys(SPObject const &item);
+
+    /**
+     * Can be invoked for setting the desktop. Currently not used.
+     */
+    void setDesktop(SPDesktop *desktop) override;
+
+    /**
+     * Flag to ensure only one operation is performed at once
+     */
+    gint blocked;
+
+    bool _updating;
+    /**
+     * Status bar
+     */
+    std::shared_ptr<Inkscape::MessageStack> _message_stack;
+    std::unique_ptr<Inkscape::MessageContext> _message_context;
+
+    /**
+     * Signal handlers
+     */
+    sigc::connection _message_changed_connection;
+    sigc::connection document_replaced_connection;
+    sigc::connection document_uri_set_connection;
+    sigc::connection sel_changed_connection;
+
+    /**
+     * Current document and desktop this dialog is attached to
+     */
+    SPDesktop *current_desktop;
+    SPDocument *current_document;
+
+    gint selected_attr;
+    Inkscape::XML::Node *selected_repr;
+
+    /* XmlTree Widgets */
+    SPXMLViewTree *tree;
+    //SPXMLViewAttrList *attributes;
+    AttrDialog *attributes;
+    Gtk::Box *_attrbox;
+
+    /* XML Node Creation pop-up window */
+    Gtk::Entry *name_entry;
+    Gtk::Button *create_button;
+    Gtk::Paned _paned;
+
+    Gtk::VBox node_box;
+    Gtk::HBox status_box;
+    Gtk::Switch _attrswitch;
+    Gtk::Label status;
+    Gtk::Toolbar tree_toolbar;
+    Gtk::ToolButton xml_element_new_button;
+    Gtk::ToolButton xml_text_new_button;
+    Gtk::ToolButton xml_node_delete_button;
+    Gtk::SeparatorToolItem separator;
+    Gtk::ToolButton xml_node_duplicate_button;
+    Gtk::SeparatorToolItem separator2;
+    Gtk::ToolButton unindent_node_button;
+    Gtk::ToolButton indent_node_button;
+    Gtk::ToolButton raise_node_button;
+    Gtk::ToolButton lower_node_button;
+
+    GtkWidget *new_window;
+
+    DesktopTracker deskTrack;
+    sigc::connection desktopChangeConn;
+};
+
+}
+}
+}
+
+#endif
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :