1 files changed, 124 insertions, 0 deletions
diff --git a/src/ui/dialog/dialog-notebook.h b/src/ui/dialog/dialog-notebook.h
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+++ b/src/ui/dialog/dialog-notebook.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#ifndef INKSCAPE_UI_DIALOG_NOTEBOOK_H
+#define INKSCAPE_UI_DIALOG_NOTEBOOK_H
+
+/** @file
+ * @brief A wrapper for Gtk::Notebook.
+ *
+ * Authors: see git history
+ *   Tavmjong Bah
+ *
+ * Copyright (c) 2018 Tavmjong Bah, Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <gdkmm/dragcontext.h>
+#include <gtkmm/menu.h>
+#include <gtkmm/notebook.h>
+#include <gtkmm/radiomenuitem.h>
+#include <gtkmm/scrolledwindow.h>
+#include <gtkmm/widget.h>
+
+namespace Inkscape {
+namespace UI {
+namespace Dialog {
+
+enum class TabsStatus {
+    NONE,
+    SINGLE,
+    ALL
+};
+
+class DialogContainer;
+class DialogWindow;
+
+/**
+ * A widget that wraps a Gtk::Notebook with dialogs as pages.
+ *
+ * A notebook is fixed to a specific DialogContainer which manages the dialogs inside the notebook.
+ */
+class DialogNotebook : public Gtk::ScrolledWindow
+{
+public:
+    DialogNotebook(DialogContainer *container);
+    ~DialogNotebook() override;
+
+    void add_page(Gtk::Widget &page, Gtk::Widget &tab, Glib::ustring label);
+    void move_page(Gtk::Widget &page);
+
+    // Getters
+    Gtk::Notebook *get_notebook() { return &_notebook; }
+    DialogContainer *get_container() { return _container; }
+
+    // Notebook callbacks
+    void close_tab_callback();
+    void close_notebook_callback();
+    DialogWindow* pop_tab_callback();
+    Gtk::ScrolledWindow * get_current_scrolledwindow(bool skip_scroll_provider);
+private:
+    // Widgets
+    DialogContainer *_container;
+    Gtk::Menu _menu;
+    Gtk::Menu _menutabs;
+    Gtk::Notebook _notebook;
+
+    // State variables
+    bool _label_visible;
+    bool _labels_auto;
+    bool _labels_off;
+    bool _labels_set_off = false;
+    bool _detaching_duplicate;
+    bool _reload_context = true;
+    gint _prev_alloc_width = 0;
+    gint _none_tab_width = 0;
+    gint _single_tab_width = 0;
+    gint _icon_width = 0;
+    TabsStatus tabstatus = TabsStatus::NONE;
+    TabsStatus prev_tabstatus = TabsStatus::NONE;
+    Gtk::Widget *_selected_page;
+    std::vector<sigc::connection> _conn;
+    std::vector<sigc::connection> _connmenu;
+    std::multimap<Gtk::Widget *, sigc::connection> _tab_connections;
+
+    static std::list<DialogNotebook *> _instances;
+    void add_highlight_header();
+    void remove_highlight_header();
+
+    // Signal handlers - notebook
+    void on_drag_begin(const Glib::RefPtr<Gdk::DragContext> &context) override;
+    void on_drag_end(const Glib::RefPtr<Gdk::DragContext> &context) override;
+    void on_page_added(Gtk::Widget *page, int page_num);
+    void on_page_removed(Gtk::Widget *page, int page_num);
+    void on_size_allocate_scroll(Gtk::Allocation &allocation);
+    void on_size_allocate_notebook(Gtk::Allocation &allocation);
+    bool on_tab_click_event(GdkEventButton *event, Gtk::Widget *page);
+    void on_close_button_click_event(Gtk::Widget *page);
+    void on_page_switch(Gtk::Widget *page, guint page_number);
+    // Helpers
+    bool provide_scroll(Gtk::Widget &page);
+    void preventOverflow();
+    void change_page(size_t pagenum);
+    void reload_tab_menu();
+    void toggle_tab_labels_callback(bool show);
+    void add_close_tab_callback(Gtk::Widget *page);
+    void remove_close_tab_callback(Gtk::Widget *page);
+};
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
+#endif // INKSCAPE_UI_DIALOG_NOTEBOOK_H
+
+/*
+  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 :