From 55d43e4e27e0ba58a47fad70957dfa989aa173ad Mon Sep 17 00:00:00 2001
From: "Johan B. C. Engelen" <jbc.engelen@swissonline.ch>
Date: Tue, 14 Aug 2007 20:54:48 +0000
Subject: Commit LivePathEffect branch to trunk! (disabled
 extension/internal/bitmap/*.* in build.xml to fix compilation)

(bzr r3472)
---
 src/live_effects/parameter/path.cpp | 166 ++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 src/live_effects/parameter/path.cpp

(limited to 'src/live_effects/parameter/path.cpp')

diff --git a/src/live_effects/parameter/path.cpp b/src/live_effects/parameter/path.cpp
new file mode 100644
index 000000000..90974f686
--- /dev/null
+++ b/src/live_effects/parameter/path.cpp
@@ -0,0 +1,166 @@
+#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_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/path.h"
+#include "live_effects/effect.h"
+#include "live_effects/n-art-bpath-2geom.h"
+#include "svg/svg.h"
+#include <2geom/svg-path-parser.h>
+#include <2geom/sbasis-to-bezier.h>
+#include <2geom/d2.h>
+
+#include "ui/widget/point.h"
+#include "widgets/icon.h"
+#include <gtk/gtkstock.h>
+#include "selection-chemistry.h"
+
+#include "desktop.h"
+#include "inkscape.h"
+#include "message-stack.h"
+#include "verbs.h"
+#include "document.h"
+
+#define noLPEPATHPARAM_DEBUG
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+PathParam::PathParam( const Glib::ustring& label, const Glib::ustring& tip,
+                      const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
+                      Effect* effect )
+    : Parameter(label, tip, key, wr, effect)
+{
+    _widget = NULL;
+    _tooltips = NULL;
+}
+
+PathParam::~PathParam()
+{
+    if (_tooltips)
+        delete _tooltips;
+    // _widget is managed by GTK so do not delete!
+}
+
+bool
+PathParam::param_readSVGValue(const gchar * strvalue)
+{
+    if (strvalue) {
+        Geom::Piecewise<Geom::D2<Geom::SBasis> > newpath;
+        std::vector<Geom::Path> temppath = SVGD_to_2GeomPath(strvalue);
+        for (unsigned int i=0; i < temppath.size(); i++) {
+            newpath.concat( temppath[i].toPwSb() );
+        }
+        *( dynamic_cast<Geom::Piecewise<Geom::D2<Geom::SBasis> > *> (this) ) = newpath;
+        return true;
+    }
+
+    return false;
+}
+
+gchar *
+PathParam::param_writeSVGValue() const
+{
+    const std::vector<Geom::Path> temppath =
+        Geom::path_from_piecewise(* dynamic_cast<const Geom::Piecewise<Geom::D2<Geom::SBasis> > *> (this), LPE_CONVERSION_TOLERANCE);
+    gchar * svgd = SVGD_from_2GeomPath( temppath );
+    return svgd;
+}
+
+Gtk::Widget *
+PathParam::param_getWidget()
+{
+    if (!_widget) {
+        _widget = Gtk::manage(new Gtk::HBox());
+        _tooltips = new Gtk::Tooltips();
+
+        Gtk::Label* pLabel = Gtk::manage(new Gtk::Label(param_label));
+        static_cast<Gtk::HBox*>(_widget)->pack_start(*pLabel, true, true);
+        _tooltips->set_tip(*pLabel, param_tooltip);
+
+        Gtk::Widget*  pIcon = Gtk::manage( sp_icon_get_icon( "draw_node", Inkscape::ICON_SIZE_BUTTON) );
+        Gtk::Button * pButton = Gtk::manage(new Gtk::Button());
+        pButton->set_relief(Gtk::RELIEF_NONE);
+        pIcon->show();
+        pButton->add(*pIcon);
+        pButton->show();
+        pButton->signal_clicked().connect(sigc::mem_fun(*this, &PathParam::on_edit_button_click));
+        static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
+        _tooltips->set_tip(*pButton, _("Edit on-canvas"));
+#ifndef LPEPATHPARAM_DEBUG
+        pButton->set_sensitive(false);
+#endif
+
+        pIcon = Gtk::manage( sp_icon_get_icon( GTK_STOCK_PASTE, Inkscape::ICON_SIZE_BUTTON) );
+        pButton = Gtk::manage(new Gtk::Button());
+        pButton->set_relief(Gtk::RELIEF_NONE);
+        pIcon->show();
+        pButton->add(*pIcon);
+        pButton->show();
+        pButton->signal_clicked().connect(sigc::mem_fun(*this, &PathParam::on_paste_button_click));
+        static_cast<Gtk::HBox*>(_widget)->pack_start(*pButton, true, true);
+        _tooltips->set_tip(*pButton, _("Paste path"));
+
+        static_cast<Gtk::HBox*>(_widget)->show_all_children();
+
+    }
+    return dynamic_cast<Gtk::Widget *> (_widget);
+}
+
+void
+PathParam::on_edit_button_click()
+{
+    g_message("give this path to edit on canvas!");
+}
+
+void
+PathParam::on_paste_button_click()
+{
+    // check if something is in the clipboard
+    GSList * clipboard = sp_selection_get_clipboard();
+    if (clipboard == NULL || clipboard->data == NULL) {
+        SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Nothing on the clipboard."));
+        return;
+    }
+
+    Inkscape::XML::Node *repr = (Inkscape::XML::Node *) clipboard->data;
+    if (!strcmp (repr->name(), "svg:path")) {
+        const char * svgd = repr->attribute("d");
+        if (svgd) {
+            param_write_to_repr(svgd);
+            signal_path_pasted.emit();
+            sp_document_done(param_effect->getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, 
+                             _("Paste path parameter"));
+        }
+    } else {
+        SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::WARNING_MESSAGE, _("Clipboard does not contain a path."));
+    }
+
+}
+
+void
+PathParam::param_write_to_repr(const char * svgd)
+{
+    param_effect->getRepr()->setAttribute(param_key.c_str(), svgd);
+}
+
+
+}; /* 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 :
-- 
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