Code

Add option to align & distribute dialog to treat the selection as a group (closes...
[inkscape.git] / src / ui / dialog / livepatheffect-editor.cpp
index c92d015f53f1e67e41b7e66c3a942405ca00557c..44f37083b0402f28bbe075ff130b84f028afc47e 100644 (file)
@@ -17,6 +17,7 @@
 
 #include <glibmm/i18n.h>
 #include "livepatheffect-editor.h"
+#include "ui/widget/imagetoggler.h"
 #include "verbs.h"
 #include "selection.h"
 #include "sp-shape.h"
@@ -32,9 +33,8 @@
 #include "inkscape.h"
 #include "desktop-handles.h"
 #include "desktop.h"
-#include "document-private.h"
+#include "document.h"
 #include "xml/node.h"
-#include "xml/document.h"
 #include <gtkmm/stock.h>
 #include <gtkmm/toolbar.h>
 
@@ -56,13 +56,20 @@ static void lpeeditor_selection_changed (Inkscape::Selection * selection, gpoint
     lpeeditor->onSelectionChanged(selection);
 }
 
+static void lpeeditor_selection_modified (Inkscape::Selection * selection, guint /*flags*/, gpointer data)
+{
+    LivePathEffectEditor *lpeeditor = static_cast<LivePathEffectEditor *>(data);
+    lpeeditor->onSelectionChanged(selection);
+}
+
 
 /*#######################
  * LivePathEffectEditor
  */
 
-LivePathEffectEditor::LivePathEffectEditor() 
+LivePathEffectEditor::LivePathEffectEditor()
     : UI::Widget::Panel("", "dialogs.livepatheffect", SP_VERB_DIALOG_LIVE_PATH_EFFECT),
+      lpe_list_locked(false),
       combo_effecttype(Inkscape::LivePathEffect::LPETypeConverter),
       effectwidget(NULL),
       explain_label("", Gtk::ALIGN_CENTER),
@@ -103,34 +110,40 @@ LivePathEffectEditor::LivePathEffectEditor()
  //   button_hbox.pack_start(button_up, true, true);
  //   button_hbox.pack_start(button_down, true, true);
  //   button_hbox.pack_end(button_remove, true, true);
-       toolbar.set_toolbar_style(Gtk::TOOLBAR_ICONS);  
+    toolbar.set_toolbar_style(Gtk::TOOLBAR_ICONS);
  // Add toolbar items to toolbar
-  toolbar.append(button_up);
-  toolbar.append(button_down);
-  toolbar.append(button_remove);
+    toolbar.append(button_up);
+    toolbar.append(button_down);
+    toolbar.append(button_remove);
+
+
+    // Add toolbar
+    //add_toolbar(toolbar);
+    toolbar.show_all(); //Show the toolbar and all its child widgets.
 
-  
-  // Add toolbar
-  //add_toolbar(toolbar);
-  toolbar.show_all(); //Show the toolbar and all its child widgets.
 
-      
     //Create the Tree model:
     effectlist_store = Gtk::ListStore::create(columns);
     effectlist_view.set_model(effectlist_store);
 
-    effectlist_view.set_rules_hint();
-    effectlist_view.set_headers_clickable(true);
-    effectlist_view.set_headers_visible(true);
+    effectlist_view.set_headers_visible(false);
 
     // Handle tree selections
     effectlist_selection = effectlist_view.get_selection();
     effectlist_selection->signal_changed().connect( sigc::mem_fun(*this, &LivePathEffectEditor::on_effect_selection_changed) );
 
-    effectlist_view.set_headers_visible(false);
-    //Add the TreeView's view columns:
-    effectlist_view.append_column("Effect", columns.col_name);
+    //Add the visibility icon column:
+    Inkscape::UI::Widget::ImageToggler *eyeRenderer = manage( new Inkscape::UI::Widget::ImageToggler("visible", "hidden") );
+    int visibleColNum = effectlist_view.append_column("is_visible", *eyeRenderer) - 1;
+    eyeRenderer->signal_toggled().connect( sigc::mem_fun(*this, &LivePathEffectEditor::on_visibility_toggled) );
+    eyeRenderer->property_activatable() = true;
+    Gtk::TreeViewColumn* col = effectlist_view.get_column(visibleColNum);
+    if ( col ) {
+        col->add_attribute( eyeRenderer->property_active(), columns.col_visible );
+    }
 
+    //Add the effect name column:
+    effectlist_view.append_column("Effect", columns.col_name);
 
     contents->pack_start(effectapplication_frame, false, false);
     contents->pack_start(effectlist_frame, true, true);
@@ -148,7 +161,7 @@ LivePathEffectEditor::LivePathEffectEditor()
     //button_remove.hide();
 }
 
-LivePathEffectEditor::~LivePathEffectEditor() 
+LivePathEffectEditor::~LivePathEffectEditor()
 {
     if (effectwidget) {
         effectcontrol_vbox.remove(*effectwidget);
@@ -158,6 +171,7 @@ LivePathEffectEditor::~LivePathEffectEditor()
 
     if (current_desktop) {
         selection_changed_connection.disconnect();
+        selection_modified_connection.disconnect();
     }
 }
 
@@ -181,6 +195,17 @@ LivePathEffectEditor::showParams(LivePathEffect::Effect* effect)
     // fixme: add resizing of dialog
 }
 
+void
+LivePathEffectEditor::selectInList(LivePathEffect::Effect* effect)
+{
+    Gtk::TreeNodeChildren chi = effectlist_view.get_model()->children();
+    for (Gtk::TreeIter ci = chi.begin() ; ci != chi.end(); ci++) {
+        if (ci->get_value(columns.lperef)->lpeobject->lpe == effect)
+            effectlist_view.get_selection()->select(ci);
+    }
+}
+
+
 void
 LivePathEffectEditor::showText(Glib::ustring const &str)
 {
@@ -211,6 +236,12 @@ LivePathEffectEditor::set_sensitize_all(bool sensitive)
 void
 LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)
 {
+    if (lpe_list_locked) {
+        // this was triggered by selecting a row in the list, so skip reloading
+        lpe_list_locked = false;
+        return;
+    } 
+
     effectlist_store->clear();
     current_lpeitem = NULL;
 
@@ -220,15 +251,17 @@ LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)
             if ( SP_IS_LPE_ITEM(item) ) {
                 SPLPEItem *lpeitem = SP_LPE_ITEM(item);
 
-                effect_list_update(lpeitem);
+                effect_list_reload(lpeitem);
 
                 current_lpeitem = lpeitem;
-                
+
                 set_sensitize_all(true);
                 if ( sp_lpe_item_has_path_effect(lpeitem) ) {
                     Inkscape::LivePathEffect::Effect *lpe = sp_lpe_item_get_current_lpe(lpeitem);
                     if (lpe) {
                         showParams(lpe);
+                        lpe_list_locked = true; 
+                        selectInList(lpe);
                     } else {
                         showText(_("Unknown effect is applied"));
                     }
@@ -236,10 +269,8 @@ LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)
                     showText(_("No effect applied"));
                     button_remove.set_sensitive(false);
                 }
-            }
-              else
-            {
-                showText(_("Item is not compound by paths"));
+            } else {
+                showText(_("Item is not a path or shape"));
                 set_sensitize_all(false);
             }
         } else {
@@ -252,11 +283,14 @@ LivePathEffectEditor::onSelectionChanged(Inkscape::Selection *sel)
     }
 }
 
+/*
+ * First clears the effectlist_store, then appends all effects from the effectlist.
+ */
 void
-LivePathEffectEditor::effect_list_update(SPLPEItem *lpeitem)
+LivePathEffectEditor::effect_list_reload(SPLPEItem *lpeitem)
 {
     effectlist_store->clear();
-    
+
     PathEffectList effectlist = sp_lpe_item_get_effect_list(lpeitem);
     PathEffectList::iterator it;
     for( it = effectlist.begin() ; it!=effectlist.end(); it++ )
@@ -264,11 +298,12 @@ LivePathEffectEditor::effect_list_update(SPLPEItem *lpeitem)
          Gtk::TreeModel::Row row = *(effectlist_store->append());
          row[columns.col_name] = (*it)->lpeobject->lpe->getName();
          row[columns.lperef] = *it;
+         row[columns.col_visible] = (*it)->lpeobject->lpe->isVisible();
     }
 }
 
 
-void 
+void
 LivePathEffectEditor::setDesktop(SPDesktop *desktop)
 {
     Panel::setDesktop(desktop);
@@ -279,6 +314,7 @@ LivePathEffectEditor::setDesktop(SPDesktop *desktop)
 
     if (current_desktop) {
         selection_changed_connection.disconnect();
+        selection_modified_connection.disconnect();
     }
 
     current_desktop = desktop;
@@ -286,6 +322,8 @@ LivePathEffectEditor::setDesktop(SPDesktop *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 {
@@ -316,25 +354,14 @@ LivePathEffectEditor::onApply()
 
             // If item is a SPRect, convert it to path first:
             if ( SP_IS_RECT(item) ) {
-                sp_selected_path_to_curves(false);
+                sp_selected_path_to_curves(current_desktop, false);
                 item = sel->singleItem(); // get new item
             }
 
-            // Path effect definition
-            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);
+            LivePathEffect::Effect::createAndApply(data->key.c_str(), doc, item);
 
-            gchar *href = g_strdup_printf("#%s", repr_id);
-            sp_lpe_item_add_path_effect(SP_LPE_ITEM(item), href, true);
-            g_free(href);
-
-            sp_document_done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT, 
-                             _("Create and apply path effect"));
+            sp_document_done(doc, SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+                     _("Create and apply path effect"));
 
             onSelectionChanged(sel);
         }
@@ -349,46 +376,43 @@ LivePathEffectEditor::onRemove()
         SPItem *item = sel->singleItem();
         if ( item && SP_IS_LPE_ITEM(item) ) {
             sp_lpe_item_remove_current_path_effect(SP_LPE_ITEM(item), false);
-            
-            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT, 
+
+            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
                                _("Remove path effect") );
 
-            effect_list_update(SP_LPE_ITEM(item));
+            effect_list_reload(SP_LPE_ITEM(item));
         }
     }
 }
 
 void LivePathEffectEditor::onUp()
 {
-       Inkscape::Selection *sel = _getSelection();
+    Inkscape::Selection *sel = _getSelection();
     if ( sel && !sel->isEmpty() ) {
         SPItem *item = sel->singleItem();
         if ( item && SP_IS_LPE_ITEM(item) ) {
-            
-                       sp_lpe_item_up_current_path_effect(SP_LPE_ITEM(item));
-            
-            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT, 
-                               _("Remove path effect") );
+            sp_lpe_item_up_current_path_effect(SP_LPE_ITEM(item));
+
+            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+                               _("Move path effect up") );
 
-            effect_list_update(SP_LPE_ITEM(item));
+            effect_list_reload(SP_LPE_ITEM(item));
         }
     }
-       
 }
 
 void LivePathEffectEditor::onDown()
 {
-       Inkscape::Selection *sel = _getSelection();
+    Inkscape::Selection *sel = _getSelection();
     if ( sel && !sel->isEmpty() ) {
         SPItem *item = sel->singleItem();
         if ( item && SP_IS_LPE_ITEM(item) ) {
-            
-                       sp_lpe_item_down_current_path_effect(SP_LPE_ITEM(item));
-            
-            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT, 
-                               _("Remove path effect") );
+            sp_lpe_item_down_current_path_effect(SP_LPE_ITEM(item));
 
-            effect_list_update(SP_LPE_ITEM(item));
+            sp_document_done ( sp_desktop_document (current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+                               _("Move path effect down") );
+
+            effect_list_reload(SP_LPE_ITEM(item));
         }
     }
 }
@@ -403,11 +427,29 @@ void LivePathEffectEditor::on_effect_selection_changed()
     LivePathEffect::LPEObjectReference * lperef = (*it)[columns.lperef];
 
     if (lperef && current_lpeitem) {
+        lpe_list_locked = true; // prevent reload of the list which would lose selection
         sp_lpe_item_set_current_path_effect(current_lpeitem, lperef);
         showParams(lperef->lpeobject->lpe);
     }
 }
 
+void LivePathEffectEditor::on_visibility_toggled( Glib::ustring const& str )
+{
+    Gtk::TreeModel::Children::iterator iter = effectlist_view.get_model()->get_iter(str);
+    Gtk::TreeModel::Row row = *iter;
+
+    LivePathEffect::LPEObjectReference * lpeobjref = row[columns.lperef];
+
+    if ( lpeobjref ) {
+        bool newValue = !row[columns.col_visible];
+        row[columns.col_visible] = newValue;
+        /* FIXME: this explicit writing to SVG is wrong. The lpe_item should have a method to disable/enable an effect within its stack.
+         * So one can call:  lpe_item->setActive(lpeobjref->lpeobject); */
+        lpeobjref->lpeobject->lpe->getRepr()->setAttribute("is_visible", newValue ? "true" : "false");
+        sp_document_done( sp_desktop_document(current_desktop), SP_VERB_DIALOG_LIVE_PATH_EFFECT,
+                          newValue ? _("Activate path effect") : _("Deactivate path effect"));
+    }
+}
 
 } // namespace Dialog
 } // namespace UI