1 files changed, 130 insertions, 0 deletions
diff --git a/src/ui/widget/spin-button-tool-item.h b/src/ui/widget/spin-button-tool-item.h
new file mode 100644
index 0000000..73caf14
--- /dev/null
+++ b/src/ui/widget/spin-button-tool-item.h
@@ -0,0 +1,130 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef SEEN_SPIN_BUTTON_TOOL_ITEM_H
+#define SEEN_SPIN_BUTTON_TOOL_ITEM_H
+
+#include <gtkmm/toolitem.h>
+#include <unordered_map>
+#include <utility>
+
+#include "2geom/math-utils.h"
+
+namespace Gtk {
+class Box;
+class RadioButtonGroup;
+class RadioMenuItem;
+}
+
+namespace Inkscape {
+namespace UI {
+namespace Widget {
+
+class SpinButton;
+
+/**
+ * \brief A spin-button with a label that can be added to a toolbar
+ */
+class SpinButtonToolItem : public Gtk::ToolItem
+{
+private:
+    using ValueLabel = std::pair<double, Glib::ustring>;
+    using NumericMenuData = std::map<double, Glib::ustring>;
+
+    Glib::ustring  _name;                  ///< A unique ID for the widget (NOT translatable)
+    SpinButton    *_btn;                   ///< The spin-button within the widget
+    Glib::ustring  _label_text;            ///< A string to use in labels for the widget (translatable)
+    double         _last_val = 0.0;        ///< The last value of the adjustment
+    bool           _transfer_focus = false; ///< Whether or not to transfer focus
+
+    Gtk::Box    *_hbox;       ///< Horizontal box, to store widgets
+    Gtk::Widget *_label;      ///< A text label to describe the setting
+    Gtk::Widget *_icon;       ///< An icon to describe the setting
+
+    /** A widget that grabs focus when this one loses it */
+    Gtk::Widget * _focus_widget = nullptr;
+
+    // Custom values and labels to add to the numeric popup-menu
+    NumericMenuData _custom_menu_data;
+
+    // To show or not to show upper/lower limit of the adjustment
+    bool _show_upper_limit = false;
+    bool _show_lower_limit = false;
+
+    // sort in decreasing order
+    bool _sort_decreasing = false;
+
+    // digits of adjustment
+    int _digits;
+
+    // just a wrapper for Geom::decimal_round to simplify calls
+    double round_to_precision(double value);
+
+    // Event handlers
+    bool on_btn_focus_in_event(GdkEventFocus  *focus_event);
+    bool on_btn_focus_out_event(GdkEventFocus *focus_event);
+    bool on_btn_key_press_event(GdkEventKey   *key_event);
+    bool on_btn_button_press_event(const GdkEventButton *button_event);
+    bool on_popup_menu();
+    void do_popup_menu(const GdkEventButton *button_event);
+
+    void defocus();
+    bool process_tab(int direction);
+
+    void on_numeric_menu_item_toggled(double value, Gtk::RadioMenuItem* button);
+
+    Gtk::Menu * create_numeric_menu();
+
+    Gtk::RadioMenuItem * create_numeric_menu_item(Gtk::RadioButtonGroup *group,
+                                                  double                 value,
+                                                  const Glib::ustring&   label = "",
+                                                  bool                   enable = false);
+
+protected:
+    bool on_create_menu_proxy() override;
+    void on_grab_focus() override;
+
+public:
+    SpinButtonToolItem(const Glib::ustring            name,
+                       const Glib::ustring&           label_text,
+                       Glib::RefPtr<Gtk::Adjustment>& adjustment,
+                       double                         climb_rate = 0.1,
+                       int                            digits     = 3);
+
+    void set_all_tooltip_text(const Glib::ustring& text);
+    void set_focus_widget(Gtk::Widget *widget);
+    void grab_button_focus();
+
+    void set_custom_numeric_menu_data(const std::vector<double>&        values,
+                                      const std::vector<Glib::ustring>& labels = std::vector<Glib::ustring>());
+
+    void set_custom_numeric_menu_data(const std::vector<ValueLabel> &value_labels);
+
+    void set_custom_numeric_menu_data(const std::vector<double>&                       values,
+                                      const std::unordered_map<double, Glib::ustring>& sparse_labels);
+
+    Glib::RefPtr<Gtk::Adjustment> get_adjustment();
+    void set_icon(const Glib::ustring& icon_name);
+
+    // display limits
+    void show_upper_limit(bool show = true);
+    void show_lower_limit(bool show = true);
+    void show_limits     (bool show = true);
+
+    // sorting order
+    void sort_decreasing(bool decreasing = true);
+
+    SpinButton *get_spin_button() { return _btn; };
+};
+} // namespace Widget
+} // namespace UI
+} // namespace Inkscape
+#endif // SEEN_SPIN_BUTTON_TOOL_ITEM_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 :