diff options
Diffstat (limited to 'src/ui/dialog/livepatheffect-editor.cpp')
| -rw-r--r-- | src/ui/dialog/livepatheffect-editor.cpp | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/src/ui/dialog/livepatheffect-editor.cpp b/src/ui/dialog/livepatheffect-editor.cpp new file mode 100644 index 000000000..5f765b420 --- /dev/null +++ b/src/ui/dialog/livepatheffect-editor.cpp @@ -0,0 +1,290 @@ +/**
+ * \brief LivePathEffect dialog
+ *
+ * Authors:
+ * Johan Engelen <j.b.c.engelen@utwente.nl>
+ *
+ * Copyright (C) 2007 Author
+ *
+ * Released under GNU GPL. Read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <glibmm/i18n.h>
+#include "livepatheffect-editor.h"
+#include "verbs.h"
+#include "selection.h"
+#include "sp-shape.h"
+#include "sp-path.h"
+#include "live_effects/effect.h"
+#include "live_effects/lpeobject.h"
+#include "gtkmm/widget.h"
+#include <vector>
+#include "inkscape.h"
+#include "desktop-handles.h"
+#include "desktop.h"
+#include "document-private.h"
+#include "xml/node.h"
+#include "xml/document.h"
+
+namespace Inkscape {
+class Application;
+
+namespace UI {
+namespace Dialog {
+
+
+/*####################
+ * Callback functions
+ */
+static void lpeeditor_selection_changed (Inkscape::Selection * selection, gpointer data)
+{
+ LivePathEffectEditor *lpeeditor = static_cast<LivePathEffectEditor *>(data);
+ lpeeditor->onSelectionChanged(selection);
+}
+
+static void lpeeditor_selection_modified (Inkscape::Selection *selection, guint flags, gpointer data)
+{
+ lpeeditor_selection_changed (selection, data);
+}
+
+
+static void lpeeditor_desktop_change(Inkscape::Application*, SPDesktop* desktop, void *data)
+{
+ if (!desktop) {
+ return;
+ }
+ LivePathEffectEditor* editor = reinterpret_cast<LivePathEffectEditor*>(data);
+ editor->setDesktop(desktop);
+}
+
+
+
+/*#######################
+ * LivePathEffectEditor
+ */
+LivePathEffectEditor::LivePathEffectEditor()
+ : Dialog ("dialogs.livepatheffect", SP_VERB_DIALOG_LIVE_PATH_EFFECT),
+ combo_effecttype(Inkscape::LivePathEffect::LPETypeConverter),
+ button_apply(_("_Apply"), _("Apply chosen effect to selection")),
+ button_remove(_("_Remove"), _("Remove effect from selection")),
+ effectwidget(NULL),
+ explain_label("", Gtk::ALIGN_CENTER),
+ effectapplication_frame(_("Apply new effect")),
+ effectcontrol_frame(_("Current effect")),
+ current_desktop(NULL)
+{
+ // Top level vbox
+ Gtk::VBox *vbox = get_vbox();
+ vbox->set_spacing(4);
+
+ effectapplication_vbox.set_spacing(4);
+ effectcontrol_vbox.set_spacing(4);
+
+ effectapplication_vbox.pack_start(combo_effecttype, true, true);
+ effectapplication_vbox.pack_start(button_apply, true, true);
+ effectapplication_vbox.pack_start(button_remove, true, true);
+ effectapplication_frame.add(effectapplication_vbox);
+
+ effectcontrol_vbox.pack_start(explain_label, true, true);
+ effectcontrol_frame.add(effectcontrol_vbox);
+
+ vbox->pack_start(effectapplication_frame, true, true);
+ vbox->pack_start(effectcontrol_frame, true, true);
+
+ // connect callback functions to buttons
+ button_apply.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onApply));
+ button_remove.signal_clicked().connect(sigc::mem_fun(*this, &LivePathEffectEditor::onRemove));
+
+ // connect callback functions to changes in selected desktop.
+ g_signal_connect( G_OBJECT(INKSCAPE), "activate_desktop",
+ G_CALLBACK(lpeeditor_desktop_change), this);
+
+ g_signal_connect( G_OBJECT(INKSCAPE), "deactivate_desktop",
+ G_CALLBACK(lpeeditor_desktop_change), this);
+
+ setDesktop(SP_ACTIVE_DESKTOP);
+ show_all_children();
+}
+
+LivePathEffectEditor::~LivePathEffectEditor()
+{
+ if (effectwidget) {
+ effectcontrol_vbox.remove(*effectwidget);
+ effectwidget = NULL;
+ }
+
+ if (current_desktop) {
+ selection_changed_connection.disconnect();
+ selection_modified_connection.disconnect();
+ }
+}
+
+void
+LivePathEffectEditor::showParams(LivePathEffect::Effect* effect)
+{
+ if (effectwidget) {
+ effectcontrol_vbox.remove(*effectwidget);
+ effectwidget = NULL;
+ }
+
+ explain_label.set_markup("<b>" + effect->getName() + "</b>");
+ effectwidget = effect->getWidget();
+ if (effectwidget) {
+ effectcontrol_vbox.pack_start(*effectwidget, true, true);
+ }
+
+ effectcontrol_vbox.show_all_children();
+ // fixme: do resizing of dialog
+}
+
+void
+LivePathEffectEditor::showText(Glib::ustring const &str)
+{
+ if (effectwidget) {
+ effectcontrol_vbox.remove(*effectwidget);
+ effectwidget = NULL;
+ }
+
+ explain_label.set_label(str);
+
+ // fixme: do resizing of dialog ?
+}
+
+void
+LivePathEffectEditor::set_sensitize_all(bool sensitive)
+{
+ combo_effecttype.set_sensitive(sensitive);
+ button_apply.set_sensitive(sensitive);
+ button_remove.set_sensitive(sensitive);
+}
+
+void
+LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)
+{
+ if ( sel && !sel->isEmpty() ) {
+ SPItem *item = sel->singleItem();
+ if ( item ) {
+ if ( SP_IS_SHAPE(item) ) {
+ SPShape *shape = SP_SHAPE(item);
+ LivePathEffectObject *lpeobj = sp_shape_get_livepatheffectobject(shape);
+ set_sensitize_all(true);
+ if (lpeobj) {
+ if (lpeobj->lpe) {
+ showParams(lpeobj->lpe);
+ } else {
+ showText(_("Unknown effect is applied"));
+ }
+ } else {
+ showText(_("No effect applied"));
+ button_remove.set_sensitive(false);
+ }
+ } else {
+ showText(_("Item is not a shape"));
+ set_sensitize_all(false);
+ }
+ } else {
+ showText(_("Only one item can be selected"));
+ set_sensitize_all(false);
+ }
+ } else {
+ showText(_("Empty selection"));
+ set_sensitize_all(false);
+ }
+}
+
+void
+LivePathEffectEditor::setDesktop(SPDesktop *desktop)
+{
+
+ if ( desktop == current_desktop ) {
+ return;
+ }
+
+ if (current_desktop) {
+ selection_changed_connection.disconnect();
+ selection_modified_connection.disconnect();
+ }
+
+ current_desktop = desktop;
+ if (desktop) {
+ Inkscape::Selection *selection = sp_desktop_selection(desktop);
+ selection_changed_connection = selection->connectChanged(
+ sigc::bind (sigc::ptr_fun(&lpeeditor_selection_changed), this ) );
+ selection_modified_connection = selection->connectModified(
+ sigc::bind (sigc::ptr_fun(&lpeeditor_selection_modified), this ) );
+
+ onSelectionChanged(selection);
+ } else {
+ onSelectionChanged(NULL);
+ }
+}
+
+
+
+
+/*########################################################################
+# BUTTON CLICK HANDLERS (callbacks)
+########################################################################*/
+
+void
+LivePathEffectEditor::onApply()
+{
+ Inkscape::Selection *sel = _getSelection();
+ if ( sel && !sel->isEmpty() ) {
+ SPItem *item = sel->singleItem();
+ if ( item && SP_IS_SHAPE(item) ) {
+ SPDocument *doc = current_desktop->doc();
+
+ const Util::EnumData<LivePathEffect::EffectType>* data = combo_effecttype.get_active_data();
+ if (!data) return;
+
+ Inkscape::XML::Document *xml_doc = sp_document_repr_doc(doc);
+ Inkscape::XML::Node *repr = xml_doc->createElement("inkscape:path-effect");
+ repr->setAttribute("effect", data->key.c_str() );
+
+ SP_OBJECT_REPR(SP_DOCUMENT_DEFS(doc))->addChild(repr, NULL); // adds to <defs> and assigns the 'id' attribute
+ const gchar * repr_id = repr->attribute("id");
+ Inkscape::GC::release(repr);
+
+ gchar *href = g_strdup_printf("#%s", repr_id);
+ sp_shape_set_path_effect(SP_SHAPE(item), href);
+ g_free(href);
+
+ // make sure there is an original-d for paths!!!
+ if ( SP_IS_PATH(item) ) {
+ Inkscape::XML::Node *pathrepr = SP_OBJECT_REPR(item);
+ if ( ! pathrepr->attribute("inkscape:original-d") ) {
+ pathrepr->setAttribute("inkscape:original-d", pathrepr->attribute("d"));
+ }
+ }
+
+ sp_document_done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+ _("Create and apply live effect"));
+ }
+ }
+}
+
+void
+LivePathEffectEditor::onRemove()
+{
+ Inkscape::Selection *sel = _getSelection();
+ if ( sel && !sel->isEmpty() ) {
+ SPItem *item = sel->singleItem();
+ if ( item && SP_IS_SHAPE(item) ) {
+ sp_shape_remove_path_effect(SP_SHAPE(item));
+ sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+ _("Remove live path effect") );
+ }
+ }
+}
+
+
+
+} // namespace Dialog
+} // namespace UI
+} // namespace Inkscape
+
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