fixing to trunk

(bzr r12588.1.34)

1 files changed, 210 insertions, 0 deletions

diff --git a/src/live_effects/parameter/pointreseteable.cpp b/src/live_effects/parameter/pointreseteable.cpp
new file mode 100644
index 000000000..c0f8858b8
--- /dev/null
+++ b/src/live_effects/parameter/pointreseteable.cpp
@@ -0,0 +1,210 @@
+/*
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "ui/widget/registered-widget.h"
+#include "live_effects/parameter/pointreseteable.h"
+#include "live_effects/effect.h"
+#include "svg/svg.h"
+#include "svg/stringstream.h"
+#include "ui/widget/point.h"
+#include "widgets/icon.h"
+#include "inkscape.h"
+#include "verbs.h"
+#include "knotholder.h"
+#include <glibmm/i18n.h>
+#include "ui/tools-switch.h"
+#include "ui/tools/node-tool.h"
+
+// needed for on-canvas editting:
+#include "desktop.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+PointReseteableParam::PointReseteableParam( const Glib::ustring& label, const Glib::ustring& tip,
+                        const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
+                        Effect* effect, const gchar *htip, Geom::Point default_value)
+    : Geom::Point(default_value), Parameter(label, tip, key, wr, effect), defvalue(default_value)
+{
+    knot_shape = SP_KNOT_SHAPE_DIAMOND;
+    knot_mode  = SP_KNOT_MODE_XOR;
+    knot_color = 0xffffff00;
+    handle_tip = g_strdup(htip);
+}
+
+PointReseteableParam::~PointReseteableParam()
+{
+    if (handle_tip)
+        g_free(handle_tip);
+}
+
+void
+PointReseteableParam::param_set_default()
+{
+    param_setValue(defvalue);
+}
+
+void
+PointReseteableParam::param_set_and_write_default()
+{
+    param_set_and_write_new_value(defvalue);
+}
+
+void
+PointReseteableParam::param_update_default(Geom::Point newpoint)
+{
+    this->defvalue = newpoint;
+}
+
+bool
+PointReseteableParam::param_readSVGValue(const gchar * strvalue)
+{
+    gchar ** strarray = g_strsplit(strvalue, ",", 2);
+    double newx, newy;
+    unsigned int success = sp_svg_number_read_d(strarray[0], &newx);
+    success += sp_svg_number_read_d(strarray[1], &newy);
+    g_strfreev (strarray);
+    if (success == 2) {
+        param_setValue( Geom::Point(newx, newy) );
+        return true;
+    }
+    return false;
+}
+
+gchar *
+PointReseteableParam::param_getSVGValue() const
+{
+    Inkscape::SVGOStringStream os;
+    os << *dynamic_cast<Geom::Point const *>( this );
+    gchar * str = g_strdup(os.str().c_str());
+    return str;
+}
+
+Gtk::Widget *
+PointReseteableParam::param_newWidget()
+{
+    Inkscape::UI::Widget::RegisteredTransformedPoint * pointwdg = Gtk::manage(
+        new Inkscape::UI::Widget::RegisteredTransformedPoint( param_label,
+                                                              param_tooltip,
+                                                              param_key,
+                                                              *param_wr,
+                                                              param_effect->getRepr(),
+                                                              param_effect->getSPDoc() ) );
+    // TODO: fix to get correct desktop (don't use SP_ACTIVE_DESKTOP)
+    SPDesktop *desktop = SP_ACTIVE_DESKTOP;
+    Geom::Affine transf = desktop->doc2dt();
+    pointwdg->setTransform(transf);
+    pointwdg->setValue( *this );
+    pointwdg->clearProgrammatically();
+    pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));
+
+    Gtk::HBox * hbox = Gtk::manage( new Gtk::HBox() );
+    static_cast<Gtk::HBox*>(hbox)->pack_start(*pointwdg, true, true);
+    static_cast<Gtk::HBox*>(hbox)->show_all_children();
+
+    return dynamic_cast<Gtk::Widget *> (hbox);
+}
+
+void
+PointReseteableParam::param_setValue(Geom::Point newpoint)
+{
+    *dynamic_cast<Geom::Point *>( this ) = newpoint;
+    if(SP_ACTIVE_DESKTOP){
+        SPDesktop* desktop = SP_ACTIVE_DESKTOP;
+        if (tools_isactive( desktop, TOOLS_NODES)) {
+            Inkscape::UI::Tools::NodeTool *nt = static_cast<Inkscape::UI::Tools::NodeTool*>( desktop->event_context);
+            nt->update_helperpath();
+        }
+    }
+}
+
+void
+PointReseteableParam::param_set_and_write_new_value (Geom::Point newpoint)
+{
+    Inkscape::SVGOStringStream os;
+    os << newpoint;
+    gchar * str = g_strdup(os.str().c_str());
+    param_write_to_repr(str);
+    g_free(str);
+}
+
+void
+PointReseteableParam::param_transform_multiply(Geom::Affine const& postmul, bool /*set*/)
+{
+    param_set_and_write_new_value( (*this) * postmul );
+}
+
+
+void
+PointReseteableParam::set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color)
+{
+    knot_shape = shape;
+    knot_mode  = mode;
+    knot_color = color;
+}
+
+class PointReseteableParamKnotHolderEntity : public KnotHolderEntity {
+public:
+    PointReseteableParamKnotHolderEntity(PointReseteableParam *p) { this->pparam = p; }
+    virtual ~PointReseteableParamKnotHolderEntity() {}
+
+    virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state);
+    virtual Geom::Point knot_get() const;
+    virtual void knot_click(guint state);
+
+private:
+    PointReseteableParam *pparam;
+};
+
+void
+PointReseteableParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint state)
+{
+    Geom::Point const s = snap_knot_position(p, state);
+    pparam->param_setValue(s);
+    sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
+}
+
+Geom::Point
+PointReseteableParamKnotHolderEntity::knot_get() const
+{
+    return *pparam;
+}
+
+void
+PointReseteableParamKnotHolderEntity::knot_click(guint state)
+{
+    if (state & GDK_CONTROL_MASK) {
+            if (state & GDK_MOD1_MASK) {
+                this->pparam->param_set_default();
+                sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
+            }
+    }
+}
+
+void
+PointReseteableParam::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item)
+{
+    PointReseteableParamKnotHolderEntity *e = new PointReseteableParamKnotHolderEntity(this);
+    // TODO: can we ditch handleTip() etc. because we have access to handle_tip etc. itself???
+    e->create(desktop, item, knotholder, Inkscape::CTRL_TYPE_UNKNOWN, handleTip(), knot_shape, knot_mode, knot_color);
+    knotholder->add(e);
+}
+
+} /* namespace LivePathEffect */
+
+} /* 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 :