Code

better fix for lpe stack forking
[inkscape.git] / src / live_effects / parameter / point.cpp
index 8079f54eb6aaa6dc2be2c64206108579c6cea35e..e7abb70ea82e7149c476a211f0d8acf804d6723c 100644 (file)
-#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_POINT_CPP\r
-\r
-/*\r
- * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>\r
- *\r
- * Released under GNU GPL, read the file 'COPYING' for more information\r
- */\r
-\r
-#include "live_effects/parameter/point.h"\r
-#include "live_effects/effect.h"\r
-#include "svg/svg.h"\r
-#include "svg/stringstream.h"\r
-#include <gtkmm.h>\r
-#include "ui/widget/point.h"\r
-#include "widgets/icon.h"\r
-\r
-#include "knot.h"\r
-#include "inkscape.h"\r
-#include "verbs.h"\r
-\r
-#define noLPEPOINTPARAM_DEBUG\r
-\r
-#define PRM_KNOT_COLOR_NORMAL 0xffffff00\r
-#define PRM_KNOT_COLOR_SELECTED 0x0000ff00\r
-\r
-namespace Inkscape {\r
-\r
-namespace LivePathEffect {\r
-\r
-PointParam::PointParam( const Glib::ustring& label, const Glib::ustring& tip,\r
-                        const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,\r
-                        Effect* effect )\r
-    : Geom::Point(0,0), Parameter(label, tip, key, wr, effect)\r
-{\r
-    _widget = NULL;\r
-    pointwdg = NULL;\r
-    knot = NULL;\r
-    _tooltips = NULL;\r
-}\r
-\r
-PointParam::~PointParam()\r
-{\r
-    if (pointwdg)\r
-        delete pointwdg;\r
-    if (_tooltips)\r
-        delete _tooltips;\r
-\r
-    if (knot)\r
-        g_object_unref (G_OBJECT (knot));\r
-}\r
-\r
-bool\r
-PointParam::param_readSVGValue(const gchar * strvalue)\r
-{\r
-    gchar ** strarray = g_strsplit(strvalue, ",", 2);\r
-    double newx, newy;\r
-    unsigned int success = sp_svg_number_read_d(strarray[0], &newx);\r
-    success += sp_svg_number_read_d(strarray[1], &newy);\r
-    g_strfreev (strarray);\r
-    if (success == 2) {\r
-        *dynamic_cast<Geom::Point *>( this ) = Geom::Point(newx, newy);\r
-        return true;\r
-    }\r
-    return false;\r
-}\r
-\r
-gchar *\r
-PointParam::param_writeSVGValue() const\r
-{\r
-    Inkscape::SVGOStringStream os;\r
-    os << pointwdg->getPoint()->getXValue() << "," << pointwdg->getPoint()->getYValue();\r
-    gchar * str = g_strdup(os.str().c_str());\r
-    return str;\r
-}\r
-\r
-Gtk::Widget *\r
-PointParam::param_getWidget()\r
-{\r
-    if (!_widget) {\r
-        pointwdg = new Inkscape::UI::Widget::RegisteredPoint();\r
-        pointwdg->init(param_label, param_tooltip, param_key, *param_wr, param_effect->getRepr(), param_effect->getSPDoc());\r
-        pointwdg->setValue(0.1, 0.2);\r
-        pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));\r
-\r
-        Gtk::Widget*  pIcon = Gtk::manage( sp_icon_get_icon( "draw_node", Inkscape::ICON_SIZE_BUTTON) );\r
-        Gtk::Button * pButton = Gtk::manage(new Gtk::Button());\r
-        pButton->set_relief(Gtk::RELIEF_NONE);\r
-        pIcon->show();\r
-        pButton->add(*pIcon);\r
-        pButton->show();\r
-        pButton->signal_clicked().connect(sigc::mem_fun(*this, &PointParam::on_button_click));\r
-#ifndef LPEPOINTPARAM_DEBUG\r
-        pButton->set_sensitive(false);\r
-#endif\r
-\r
-        _widget = Gtk::manage( new Gtk::HBox() );\r
-        static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);\r
-        static_cast<Gtk::HBox*>(_widget)->pack_start(*(pointwdg->getPoint()), true, true);\r
-        static_cast<Gtk::HBox*>(_widget)->show_all_children();\r
-\r
-        _tooltips = new Gtk::Tooltips();\r
-        _tooltips->set_tip(*pButton, _("Edit on-canvas"));\r
-    }\r
-    return dynamic_cast<Gtk::Widget *> (_widget);\r
-}\r
-\r
-void\r
-PointParam::param_setValue(Geom::Point newpoint)\r
-{\r
-    *dynamic_cast<Geom::Point *>( this ) = newpoint;\r
-    pointwdg->setValue(newpoint[0], newpoint[1]);\r
-}\r
-\r
-\r
-// CALLBACKS:\r
-\r
-void\r
-PointParam::on_button_click()\r
-{\r
-    g_message("add knot to canvas on correct location :S");\r
-\r
-    if (!knot) {\r
-        // create the knot\r
-        knot = sp_knot_new (SP_ACTIVE_DESKTOP, NULL);\r
-        knot->setMode(SP_KNOT_MODE_XOR);\r
-        knot->setFill(PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL, PRM_KNOT_COLOR_NORMAL);\r
-        knot->setStroke(0x000000ff, 0x000000ff, 0x000000ff);\r
-        sp_knot_update_ctrl(knot);\r
-\r
-        // move knot to the given point\r
-        sp_knot_set_position (knot, &NR::Point((*this)[0], (*this)[1]), SP_KNOT_STATE_NORMAL);\r
-        sp_knot_show (knot);\r
-/*\r
-        // connect knot's signals\r
-        if ( (draggable)  // it can be NULL if a node in unsnapped (eg. focus point unsnapped from center)\r
-                           // luckily, midstops never snap to other nodes so are never unsnapped...\r
-             && ( (draggable->point_type == POINT_LG_MID)\r
-                  || (draggable->point_type == POINT_RG_MID1)\r
-                  || (draggable->point_type == POINT_RG_MID2) ) )\r
-        {\r
-            this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_midpoint_handler), this);\r
-        } else {\r
-            this->handler_id = g_signal_connect (G_OBJECT (this->knot), "moved", G_CALLBACK (gr_knot_moved_handler), this);\r
-        }\r
-        g_signal_connect (G_OBJECT (this->knot), "clicked", G_CALLBACK (gr_knot_clicked_handler), this);\r
-        g_signal_connect (G_OBJECT (this->knot), "doubleclicked", G_CALLBACK (gr_knot_doubleclicked_handler), this);\r
-        g_signal_connect (G_OBJECT (this->knot), "grabbed", G_CALLBACK (gr_knot_grabbed_handler), this);\r
-        g_signal_connect (G_OBJECT (this->knot), "ungrabbed", G_CALLBACK (gr_knot_ungrabbed_handler), this);\r
-*/\r
-    }\r
-}\r
-\r
-}; /* namespace LivePathEffect */\r
-\r
-}; /* namespace Inkscape */\r
-\r
-/*\r
-  Local Variables:\r
-  mode:c++\r
-  c-file-style:"stroustrup"\r
-  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))\r
-  indent-tabs-mode:nil\r
-  fill-column:99\r
-  End:\r
-*/\r
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :\r
+#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_POINT_CPP
+
+/*
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "live_effects/parameter/point.h"
+#include "live_effects/effect.h"
+#include "svg/svg.h"
+#include "svg/stringstream.h"
+#include <gtkmm.h>
+#include "ui/widget/point.h"
+#include "widgets/icon.h"
+#include "ui/widget/registered-widget.h"
+#include "inkscape.h"
+#include "verbs.h"
+#include "knotholder.h"
+
+// needed for on-canvas editting:
+#include "desktop.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+PointParam::PointParam( 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);
+}
+
+PointParam::~PointParam()
+{
+    if (handle_tip)
+        g_free(handle_tip);
+}
+
+void
+PointParam::param_set_default()
+{
+    param_setValue(defvalue);
+}
+
+bool
+PointParam::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 *
+PointParam::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 *
+PointParam::param_newWidget(Gtk::Tooltips * /*tooltips*/)
+{
+    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::Matrix 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
+PointParam::param_setValue(Geom::Point newpoint)
+{
+    *dynamic_cast<Geom::Point *>( this ) = newpoint;
+}
+
+void
+PointParam::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
+PointParam::param_transform_multiply(Geom::Matrix const& postmul, bool /*set*/)
+{
+    param_set_and_write_new_value( (*this) * postmul );
+}
+
+
+void
+PointParam::set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color)
+{
+    knot_shape = shape;
+    knot_mode  = mode;
+    knot_color = color;
+}
+
+class PointParamKnotHolderEntity : public LPEKnotHolderEntity {
+public:
+    PointParamKnotHolderEntity(PointParam *p) { this->pparam = p; }
+    virtual ~PointParamKnotHolderEntity() {}
+
+    virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state);
+    virtual Geom::Point knot_get();
+    virtual void knot_click(guint state);
+
+private:
+    PointParam *pparam;
+};
+
+void
+PointParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/)
+{
+    Geom::Point const s = snap_knot_position(p);
+    pparam->param_setValue(s);
+    sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
+}
+
+Geom::Point
+PointParamKnotHolderEntity::knot_get()
+{
+    return *pparam;
+}
+
+void
+PointParamKnotHolderEntity::knot_click(guint /*state*/)
+{
+    g_print ("This is the handle associated to parameter '%s'\n", pparam->param_key.c_str());
+}
+
+void
+PointParam::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item)
+{
+    PointParamKnotHolderEntity *e = new PointParamKnotHolderEntity(this);
+    // TODO: can we ditch handleTip() etc. because we have access to handle_tip etc. itself???
+    e->create(desktop, item, knotholder, 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 :