1 files changed, 93 insertions, 0 deletions
diff --git a/src/ui/util.cpp b/src/ui/util.cpp
new file mode 100644
index 0000000..7ce5e32
--- /dev/null
+++ b/src/ui/util.cpp
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Utility functions for UI
+ *
+ * Authors:
+ *   Tavmjong Bah
+ *   John Smith
+ *
+ * Copyright (C) 2004, 2013, 2018 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "util.h"
+
+#include <gtkmm.h>
+
+/*
+ * Ellipse text if longer than maxlen, "50% start text + ... + ~50% end text"
+ * Text should be > length 8 or just return the original text
+ */
+Glib::ustring ink_ellipsize_text(Glib::ustring const &src, size_t maxlen)
+{
+    if (src.length() > maxlen && maxlen > 8) {
+        size_t p1 = (size_t) maxlen / 2;
+        size_t p2 = (size_t) src.length() - (maxlen - p1 - 1);
+        return src.substr(0, p1) + "…" + src.substr(p2);
+    }
+    return src;
+}
+
+/**
+ * Show widget, if the widget has a Gtk::Reveal parent, reveal instead.
+ *
+ * @param widget - The child widget to show.
+ */
+void reveal_widget(Gtk::Widget *widget, bool show)
+{
+    auto revealer = dynamic_cast<Gtk::Revealer *>(widget->get_parent());
+    if (revealer) {
+        revealer->set_reveal_child(show);
+    }
+    if (show) {
+        widget->show();
+    } else if (!revealer) {
+        widget->hide();
+    }
+}
+
+
+bool is_widget_effectively_visible(Gtk::Widget* widget) {
+    if (!widget) return false;
+
+    // TODO: what's the right way to determine if widget is visible on the screen?
+    return widget->get_child_visible();
+}
+
+namespace Inkscape {
+namespace UI {
+void resize_widget_children(Gtk::Widget *widget) {
+    if(widget) {
+        Gtk::Allocation allocation;
+        int             baseline;
+        widget->get_allocated_size(allocation, baseline);
+        widget->size_allocate(allocation, baseline);
+    }
+}
+}
+}
+
+
+Gdk::RGBA get_background_color(const Glib::RefPtr<Gtk::StyleContext> &context,
+                               Gtk::StateFlags                  state) {
+    GdkRGBA *c;
+
+    gtk_style_context_get(context->gobj(),
+                          static_cast<GtkStateFlags>(state),
+                          GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &c,
+                          nullptr);
+    auto bg_color = Glib::wrap(c);
+
+    return bg_color;
+}
+
+/*
+  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 :