1 files changed, 135 insertions, 0 deletions
diff --git a/src/ui/tool/selectable-control-point.cpp b/src/ui/tool/selectable-control-point.cpp
new file mode 100644
index 000000000..b189a713f
--- /dev/null
+++ b/src/ui/tool/selectable-control-point.cpp
@@ -0,0 +1,135 @@
+/** @file
+ * Desktop-bound selectable control object - implementation
+ */
+/* Authors:
+ *   Krzysztof Kosiński <tweenk.pl@gmail.com>
+ *
+ * Copyright (C) 2009 Authors
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "ui/tool/control-point-selection.h"
+#include "ui/tool/event-utils.h"
+#include "ui/tool/selectable-control-point.h"
+
+namespace Inkscape {
+namespace UI {
+
+static SelectableControlPoint::ColorSet default_scp_color_set = {
+    {
+        {0xffffff00, 0x01000000}, // normal fill, stroke
+        {0xff0000ff, 0x01000000}, // mouseover fill, stroke
+        {0x0000ffff, 0x01000000}  // clicked fill, stroke
+    },
+    {0x0000ffff, 0x000000ff}, // normal fill, stroke when selected
+    {0xff000000, 0x000000ff}, // mouseover fill, stroke when selected
+    {0xff000000, 0x000000ff}  // clicked fill, stroke when selected
+};
+
+SelectableControlPoint::SelectableControlPoint(SPDesktop *d, Geom::Point const &initial_pos,
+        Gtk::AnchorType anchor, SPCtrlShapeType shape, unsigned int size,
+        ControlPointSelection &sel, ColorSet *cset, SPCanvasGroup *group)
+    : ControlPoint (d, initial_pos, anchor, shape, size,
+        cset ? reinterpret_cast<ControlPoint::ColorSet*>(cset)
+        : reinterpret_cast<ControlPoint::ColorSet*>(&default_scp_color_set), group)
+    , _selection (sel)
+{
+    _connectHandlers();
+}
+SelectableControlPoint::SelectableControlPoint(SPDesktop *d, Geom::Point const &initial_pos,
+        Gtk::AnchorType anchor, Glib::RefPtr<Gdk::Pixbuf> pixbuf,
+        ControlPointSelection &sel, ColorSet *cset, SPCanvasGroup *group)
+    : ControlPoint (d, initial_pos, anchor, pixbuf,
+        cset ? reinterpret_cast<ControlPoint::ColorSet*>(cset)
+        : reinterpret_cast<ControlPoint::ColorSet*>(&default_scp_color_set), group)
+    , _selection (sel)
+{
+    _connectHandlers();
+}
+
+SelectableControlPoint::~SelectableControlPoint()
+{
+    _selection.erase(this);
+}
+
+void SelectableControlPoint::_connectHandlers()
+{
+    signal_clicked.connect(
+        sigc::mem_fun(*this, &SelectableControlPoint::_clickedHandler));
+    signal_grabbed.connect(
+        sigc::bind_return(
+            sigc::mem_fun(*this, &SelectableControlPoint::_grabbedHandler),
+            false));
+}
+
+void SelectableControlPoint::_grabbedHandler(GdkEventMotion *event)
+{
+    // if a point is dragged while not selected, it should select itself
+    if (!selected()) {
+        _takeSelection();
+        // HACK!!! invoke the last slot for signal_grabbed (it will be the callback registered
+        // by ControlPointSelection when adding to selection).
+        signal_grabbed.slots().back()(event);
+    }
+}
+bool SelectableControlPoint::_clickedHandler(GdkEventButton *event)
+{
+    if (event->button != 1) return false;
+    if (held_shift(*event)) {
+        if (selected()) {
+            _selection.erase(this);
+        } else {
+            _selection.insert(this);
+        }
+    } else {
+        _takeSelection();
+    }
+    return true;
+}
+
+void SelectableControlPoint::_takeSelection()
+{
+    _selection.clear();
+    _selection.insert(this);
+}
+
+bool SelectableControlPoint::selected() const
+{
+    SelectableControlPoint *p = const_cast<SelectableControlPoint*>(this);
+    return _selection.find(p) != _selection.end();
+}
+
+void SelectableControlPoint::_setState(State state)
+{
+    if (!selected()) {
+        ControlPoint::_setState(state);
+        return;
+    }
+
+    ColorSet *cset = reinterpret_cast<ColorSet*>(_cset);
+    ColorEntry current = {0, 0};
+    switch (state) {
+    case STATE_NORMAL:
+        current = cset->selected_normal; break;
+    case STATE_MOUSEOVER:
+        current = cset->selected_mouseover; break;
+    case STATE_CLICKED:
+        current = cset->selected_clicked; break;
+    }
+    _setColors(current);
+    _state = state;
+}
+
+} // namespace UI
+} // namespace Inkscape
+
+/*
+  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:encoding=utf-8:textwidth=99 :