PATCH: making component choosing (much!) more usable

eeschema/CMakeLists.txt

@@ -19,6 +19,8 @@ set( EESCHEMA_DLGS
     dialogs/dialog_bom.cpp
     dialogs/dialog_bom_base.cpp
     dialogs/dialog_bom_cfg_keywords.cpp
+    dialogs/dialog_choose_component.cpp
+    dialogs/dialog_choose_component_base.cpp
     dialogs/dialog_lib_edit_text.cpp
     dialogs/dialog_lib_edit_text_base.cpp
     dialogs/dialog_edit_component_in_lib.cpp
@@ -88,6 +90,7 @@ set( EESCHEMA_SRCS
     files-io.cpp
     find.cpp
     getpart.cpp
+    component_tree_search_container.cpp
     hierarch.cpp
     hotkeys.cpp
     libarch.cpp

eeschema/component_tree_search_container.cpp

+/* -*- c++ -*-
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
+ * Copyright (C) 2014 KiCad Developers, see change_log.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+#include <component_tree_search_container.h>
+
+#include <algorithm>
+#include <boost/foreach.hpp>
+#include <set>
+
+#include <wx/string.h>
+#include <wx/tokenzr.h>
+#include <wx/treectrl.h>
+#include <wx/arrstr.h>
+
+#include <class_library.h>
+#include <macros.h>
+
+// Each node gets this lowest score initially, without any matches applied. Matches
+// will then increase this score depending on match quality.
+// This way, an empty search string will result in all components being displayed as they
+// have the minimum score. However, in that case, we avoid expanding all the nodes asd the
+// result is very unspecific.
+static const unsigned kLowestDefaultScore = 1;
+
+struct COMPONENT_TREE_SEARCH_CONTAINER::TREE_NODE
+{
+    TREE_NODE(TREE_NODE* aParent, CMP_LIBRARY* aOwningLib,
+              const wxString& aName, const wxString& aDisplayInfo,
+              const wxString& aSearchText,
+              bool aNormallyExpanded = false)
+        : parent( aParent ),
+          lib( aOwningLib ),
+          normally_expanded( aNormallyExpanded ),
+          name( aName ),
+          display_info( aDisplayInfo ),
+          match_name( aName.Lower() ),
+          search_text( aSearchText.Lower() ),
+          match_score( 0 ), previous_score( 0 )
+    {
+    }
+
+    TREE_NODE* parent;         // NULL if library, pointer to lib when component.
+    CMP_LIBRARY* lib;          // Owning library of this component.
+    bool normally_expanded;    // If this is a parent node, should it be unfolded ?
+    wxString name;             // Exact name as displayed to the user.
+    wxString display_info;     // Additional info displayed in the tree (description..)
+
+    wxString match_name;       // Preprocessed: lowercased display name.
+    wxString search_text;      // Other lowercase text (keywords, description..) to search in.
+
+    unsigned match_score;     // Result-Score after UpdateSearchTerm()
+    unsigned previous_score;  // Optimization: used to see if we need any tree update.
+    wxTreeItemId tree_id;     // Tree-ID if stored in the tree (if match_score > 0).
+};
+
+
+// Sort tree nodes by reverse match-score (bigger is first), then alphabetically.
+// Library nodes (i.e. the ones that don't have a parent) are always sorted before any
+// leaf nodes.
+bool COMPONENT_TREE_SEARCH_CONTAINER::scoreComparator( const TREE_NODE* a1, const TREE_NODE* a2 )
+{
+    if ( a1->parent == NULL && a2->parent != NULL )
+        return true;
+
+    if ( a1->parent != NULL && a2->parent == NULL )
+        return false;
+
+    if ( a1->match_score != a2->match_score )
+        return a1->match_score > a2->match_score;  // biggest first.
+
+    if (a1->parent != a2->parent)
+        return a1->parent->match_name.Cmp(a2->parent->match_name) < 0;
+
+    return a1->match_name.Cmp( a2->match_name ) < 0;
+}
+
+COMPONENT_TREE_SEARCH_CONTAINER::COMPONENT_TREE_SEARCH_CONTAINER()
+    : tree( NULL )
+{
+}
+
+
+COMPONENT_TREE_SEARCH_CONTAINER::~COMPONENT_TREE_SEARCH_CONTAINER()
+{
+    BOOST_FOREACH( TREE_NODE* node, nodes )
+        delete node;
+    nodes.clear();
+}
+
+
+void COMPONENT_TREE_SEARCH_CONTAINER::SetPreselectNode( const wxString& aComponentName )
+{
+    preselect_node_name = aComponentName.Lower();
+}
+
+
+void COMPONENT_TREE_SEARCH_CONTAINER::SetTree( wxTreeCtrl* aTree )
+{
+    tree = aTree;
+    UpdateSearchTerm( wxEmptyString );
+}
+
+
+void COMPONENT_TREE_SEARCH_CONTAINER::AddLibrary( CMP_LIBRARY& aLib )
+{
+    wxArrayString all_comp;
+
+    aLib.GetEntryNames( all_comp );
+    AddComponentList( aLib.GetName(), all_comp, &aLib, false );
+}
+
+
+void COMPONENT_TREE_SEARCH_CONTAINER::AddComponentList( const wxString& aNodeName,
+                                                        const wxArrayString& aComponentNameList,
+                                                        CMP_LIBRARY* aOptionalLib,
+                                                        bool aNormallyExpanded )
+{
+    TREE_NODE* parent_node = new TREE_NODE( NULL, NULL, aNodeName, wxEmptyString, wxEmptyString,
+                                            aNormallyExpanded );
+
+    nodes.push_back( parent_node );
+
+    BOOST_FOREACH( const wxString& cName, aComponentNameList )
+    {
+        LIB_COMPONENT *c;
+
+        if (aOptionalLib)
+            c = aOptionalLib->FindComponent( cName );
+        else
+            c = CMP_LIBRARY::FindLibraryComponent( cName, wxEmptyString );
+
+        if (c == NULL)
+            continue;
+
+        wxString keywords, descriptions;
+        wxString display_info;
+
+        for ( size_t i = 0; i < c->GetAliasCount(); ++i )
+        {
+            LIB_ALIAS *a = c->GetAlias( i );
+            keywords += a->GetKeyWords();
+            descriptions += a->GetDescription();
+
+            if ( display_info.empty() && !a->GetDescription().empty() )
+            {
+                // Preformatting. Unfortunately, the tree widget doesn't have columns
+                display_info.Printf( wxT(" %s[ %s ]"),
+                                     ( cName.length() <= 8 ) ? wxT("\t\t") : wxT("\t"),
+                                     GetChars( a->GetDescription() ) );
+            }
+        }
+
+        // If there are no keywords, we give a couple of characters whitespace penalty. We want
+        // a component with a search-term found in the keywords score slightly higher than another
+        // component without keywords, but that term in the descriptions.
+        wxString search_text = ( !keywords.empty() ) ? keywords : wxT("        ");
+        search_text += descriptions;
+        nodes.push_back( new TREE_NODE( parent_node, c->GetLibrary(),
+                                        cName, display_info, search_text ) );
+    }
+}
+
+
+LIB_COMPONENT* COMPONENT_TREE_SEARCH_CONTAINER::GetSelectedComponent()
+{
+    const wxTreeItemId& select_id = tree->GetSelection();
+    BOOST_FOREACH( TREE_NODE* node, nodes )
+    {
+        if ( node->match_score > 0 && node->tree_id == select_id && node->lib )
+            return node->lib->FindComponent( node->name );
+    }
+    return NULL;
+}
+
+
+// Creates a score depending on the position of a string match. If the position
+// is 0 (= prefix match), this returns the maximum score. This degrades until
+// pos == max, which returns a score of 0;
+// Evertyhing else beyond that is just 0. Only values >= 0 allowed for position and max.
+//
+// @param aPosition is the position a string has been found in a substring.
+// @param aMaximum is the maximum score this function returns.
+// @return position dependent score.
+static int matchPosScore(int aPosition, int aMaximum)
+{
+    return ( aPosition < aMaximum ) ? aMaximum - aPosition : 0;
+}
+
+
+void COMPONENT_TREE_SEARCH_CONTAINER::UpdateSearchTerm( const wxString& aSearch )
+{
+    if ( tree == NULL )
+        return;
+
+    // We score the list by going through it several time, essentially with a complexity
+    // of O(n). For the default library of 2000+ items, this typically takes less than 5ms
+    // on an i5. Good enough, no index needed.
+
+    // Initial AND condition: Leaf nodes are considered to match initially.
+    BOOST_FOREACH( TREE_NODE* node, nodes )
+    {
+        node->previous_score = node->match_score;
+        node->match_score = node->parent ? kLowestDefaultScore : 0;  // start-match for leafs.
+    }
+
+    // Create match scores for each node for all the terms, that come space-separated.
+    // Scoring adds up values for each term according to importance of the match. If a term does
+    // not match at all, the result is thrown out of the results (AND semantics).
+    // From high to low
+    //   - Exact match for a ccmponent name gives the highest score, trumping all.
+    //   - A positional score depending of where a term is found as substring; prefix-match: high.
+    //   - substring-match in library name.
+    //   - substring match in keywords and descriptions with positional score. Keywords come
+    //     first so contribute more to the score.
+    //
+    // This is of course subject to tweaking.
+    wxStringTokenizer tokenizer( aSearch );
+
+    while ( tokenizer.HasMoreTokens() )
+    {
+        const wxString term = tokenizer.GetNextToken().Lower();
+        BOOST_FOREACH( TREE_NODE* node, nodes )
+        {
+            if ( node->parent == NULL)
+                continue;      // Library nodes are not scored here.
+
+            if ( node->match_score == 0)
+                continue;   // Leaf node without score are out of the game.
+
+            // Keywords and description we only count if the match string is at
+            // least two characters long. That avoids spurious, low quality
+            // matches. Most abbreviations are at three characters long.
+            int found_pos;
+
+            if ( term == node->match_name )
+                node->match_score += 1000;  // exact match. High score :)
+            else if ( (found_pos = node->match_name.Find( term ) ) != wxNOT_FOUND )
+            {
+                // Substring match. The earlier in the string the better.  score += 20..40
+                node->match_score += matchPosScore( found_pos, 20 ) + 20;
+            }
+            else if ( node->parent->match_name.Find( term ) != wxNOT_FOUND )
+                node->match_score += 19;   // parent name matches.         score += 19
+            else if ( ( found_pos = node->search_text.Find( term ) ) != wxNOT_FOUND )
+            {
+                // If we have a very short string (like one or two letters), we don't want
+                // to accumulate scores if they just happen to be in keywords or description.
+                // For longer terms, we add scores 1..18 for positional match (higher in the
+                // front, where the keywords are).                        score += 0..18
+                node->match_score += ( ( term.length() >= 2 )
+                                       ? matchPosScore( found_pos, 17 ) + 1
+                                       : 0 );
+            }
+            else
+                node->match_score = 0;    // No match. That's it for this item.
+        }
+    }
+
+    // Parent nodes have the maximum score seen in any of their children.
+    unsigned highest_score_seen = 0;
+    bool any_change = false;
+    BOOST_FOREACH( TREE_NODE* node, nodes )
+    {
+        if ( node->parent == NULL )
+            continue;
+
+        any_change |= (node->previous_score != node->match_score);
+        node->parent->match_score = std::max( node->parent->match_score, node->match_score );
+        highest_score_seen = std::max( highest_score_seen, node->match_score );
+    }
+
+
+    // The tree update might be slow, so we want to bail out if there is no change.
+    if ( !any_change )
+        return;
+
+    // Now: sort all items according to match score, libraries first.
+    std::sort( nodes.begin(), nodes.end(), scoreComparator );
+
+    // Fill the tree with all items that have a match. Re-arranging, adding and removing changed
+    // items is pretty complex, so we just re-build the whole tree.
+    tree->Freeze();
+    tree->DeleteAllItems();
+    wxTreeItemId root = tree->AddRoot( wxEmptyString );
+    const TREE_NODE* first_match = NULL;
+    const TREE_NODE* preselected_node = NULL;
+    BOOST_FOREACH( TREE_NODE* node, nodes )
+    {
+        if ( node->match_score == 0 )
+            continue;
+
+        // If we have nodes that go beyond the default score, suppress nodes that
+        // have the default score. That can happen if they have an honary += 0 score due to
+        // some one-letter match in the keyword or description. In this case, we prefer matches
+        // that just have higher scores. Improves confusion (and performance as the tree has to
+        // display less items).
+        if ( highest_score_seen > kLowestDefaultScore && node->match_score == kLowestDefaultScore )
+            continue;
+
+        wxString node_text;
+#if 0
+        // Node text with scoring information for debugging
+        node_text.Printf( wxT("%s (s=%u)%s"), GetChars(node->name),
+                          node->match_score, GetChars(node->display_info));
+#else
+        node_text = node->name + node->display_info;
+#endif
+        node->tree_id = tree->AppendItem( ( node->parent == NULL ) ? root : node->parent->tree_id,
+                                          node_text);
+
+        // If we are a child node, we might need to expand.
+        if ( node->parent != NULL )
+        {
+            if ( node->match_score > kLowestDefaultScore )
+            {
+                tree->EnsureVisible( node->tree_id );
+
+                if ( first_match == NULL )
+                    first_match = node;   // The "I am feeling lucky" element.
+            }
+
+            if ( preselected_node == NULL && node->match_name == preselect_node_name )
+                preselected_node = node;
+        }
+
+        if ( node->parent == NULL && node->normally_expanded )
+            tree->Expand( node->tree_id );
+    }
+
+    if ( first_match )                      // Highest score search match pre-selected.
+        tree->SelectItem( first_match->tree_id );
+    else if ( preselected_node )            // No search, so history item preselected.
+        tree->SelectItem( preselected_node->tree_id );
+
+    tree->Thaw();
+}

eeschema/component_tree_search_container.h

+/* -*- c++ -*-
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
+ * Copyright (C) 2014 KiCad Developers, see change_log.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http: *www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http: *www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <vector>
+#include <wx/string.h>
+
+class LIB_COMPONENT;
+class CMP_LIBRARY;
+class wxTreeCtrl;
+class wxArrayString;
+
+// class COMPONENT_TREE_SEARCH_CONTAINER
+// A container for components that allows to search them matching their name, keywords
+// and descripotions, updating a wxTreeCtrl with the results (toplevel nodes:
+// libraries, leafs: components), scored by relevance.
+//
+// The scored result list is adpated on each update on the search-term: this allows
+// to have a search-as-you-type experience.
+class COMPONENT_TREE_SEARCH_CONTAINER
+{
+public:
+    COMPONENT_TREE_SEARCH_CONTAINER();
+    ~COMPONENT_TREE_SEARCH_CONTAINER();
+
+    /** Function AddLibrary
+     * Add the components of this library to be searched.
+     * To be called in the setup phase to fill this container.
+     *
+     * @param aLib containting all the components to be added.
+     */
+    void AddLibrary( CMP_LIBRARY& aLib );
+
+    /** Function AddComponentList
+     * Add the given list of components, given by name, to be searched.
+     * To be called in the setup phase to fill this container.
+     *
+     * @param aNodeName          The parent node name the components will show up as leaf.
+     * @param aComponentNameList List of component names.
+     * @param aOptionalLib       Library to look up the component names (if NULL: global lookup)
+     * @param aNormallyExpanded  Should the node in the tree be expanded by default.
+     */
+    void AddComponentList( const wxString& aNodeName, const wxArrayString& aComponentNameList,
+                           CMP_LIBRARY* aOptionalLib, bool aNormallyExpanded );
+
+    /** Function SetPreselectNode
+     * Set the component name to be selected in absence of any search-result.
+     *
+     * @param aComponentName the component name to be selected.
+     */
+    void SetPreselectNode( const wxString& aComponentName );
+
+    /** Function SetTree
+     * Set the tree to be manipulated.
+     * Each update of the search term will update the tree, with the most
+     * scoring component at the top and selected. If a preselect node is set, this
+     * is displayed. Does not take ownership of the tree.
+     *
+     * @param aTree that is to be modified on search updates.
+     */
+    void SetTree( wxTreeCtrl* aTree );
+
+    /** Function UpdateSearchTerm
+     * Update the search string provided by the user and narrow down the result list.
+     *
+     * This string is a space-separated list of terms, each of which
+     * is applied to the components list to narrow it down. Results are scored by
+     * relevancy (e.g. exact match scores higher than prefix-match which in turn scores
+     * higher than substring match). This updates the search and tree on each call.
+     *
+     * @param aSearch is the user-provided search string.
+     */
+    void UpdateSearchTerm( const wxString& aSearch );
+
+    /** Function GetSelectedComponent
+     *
+     * @return the selected component or NULL if there is none.
+     */
+    LIB_COMPONENT* GetSelectedComponent();
+
+private:
+    struct TREE_NODE;
+    static bool scoreComparator( const TREE_NODE* a1, const TREE_NODE* a2 );
+
+    std::vector<TREE_NODE*> nodes;
+    wxString preselect_node_name;
+    wxTreeCtrl* tree;
+};

eeschema/dialogs/dialog_choose_component.cpp

+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
+ * Copyright (C) 2014 KiCad Developers, see change_log.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+#include <dialog_choose_component.h>
+
+#include <set>
+#include <boost/foreach.hpp>
+#include <wx/tokenzr.h>
+
+#include <class_library.h>
+#include <component_tree_search_container.h>
+#include <sch_base_frame.h>
+
+// Work-around broken implementation in wxWidgets <=2.8 tree.
+static wxTreeItemId fixedGetPrevVisible( const wxTreeCtrl& tree, const wxTreeItemId& item );
+
+// Combine descriptions of all aliases from given component.
+static wxString combineDescriptions( LIB_COMPONENT* aComponent )
+{
+    std::set<wxString> descriptions;
+
+    for( size_t i = 0; i < aComponent->GetAliasCount(); ++i )
+    {
+        LIB_ALIAS* a = aComponent->GetAlias( i );
+
+        if ( !a->GetDescription().empty() )
+            descriptions.insert( a->GetDescription() );
+    }
+
+    wxString result;
+    BOOST_FOREACH( const wxString& s, descriptions )
+        result += s + wxT("\n");
+    return result;
+}
+
+
+// Combine keywords. Keywords come as a string, but are considered space-separated
+// individual words. Return a string with a unique set of these.
+static wxString combineKeywords( LIB_COMPONENT* aComponent )
+{
+    std::set<wxString> keywords;
+
+    for( size_t i = 0; i < aComponent->GetAliasCount(); ++i )
+    {
+        LIB_ALIAS* a = aComponent->GetAlias( i );
+        wxStringTokenizer tokenizer( a->GetKeyWords() );
+
+        while ( tokenizer.HasMoreTokens() )
+            keywords.insert( tokenizer.GetNextToken() );
+    }
+
+    wxString result;
+    BOOST_FOREACH( const wxString& s, keywords )
+        result += s + wxT(" ");
+    return result;
+}
+
+
+DIALOG_CHOOSE_COMPONENT::DIALOG_CHOOSE_COMPONENT( wxWindow* aParent, const wxString& aTitle,
+                                                  COMPONENT_TREE_SEARCH_CONTAINER* aContainer )
+    : DIALOG_CHOOSE_COMPONENT_BASE( aParent, wxID_ANY, aTitle ),
+      m_search_container( aContainer ),
+      m_selected_component( NULL ),
+      m_external_browser_requested( false ),
+      m_received_doubleclick_in_tree( false )
+{
+    // TODO: restore last size user was choosing.
+    m_search_container->SetTree( m_libraryComponentTree );
+    m_searchBox->SetFocus();
+    m_componentDetails->SetEditable( false );
+}
+
+
+// After this dialog is done: return the component that has been selected, or an
+// empty string if there is none.
+wxString DIALOG_CHOOSE_COMPONENT::GetSelectedComponentName() const
+{
+    if ( m_selected_component == NULL )
+        return wxEmptyString;
+
+    return m_selected_component->GetName();
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnSearchBoxChange( wxCommandEvent& aEvent )
+{
+    m_selected_component = NULL;
+    m_search_container->UpdateSearchTerm( m_searchBox->GetLineText(0) );
+    updateSelection();
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnSearchBoxEnter( wxCommandEvent& aEvent )
+{
+    EndModal( wxID_OK );   // We are done.
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::SelectIfValid( const wxTreeItemId& aTreeId )
+{
+    if ( aTreeId.IsOk() && aTreeId != m_libraryComponentTree->GetRootItem() )
+        m_libraryComponentTree->SelectItem( aTreeId );
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnInterceptSearchBoxKey( wxKeyEvent& aKeyStroke )
+{
+    // Cursor up/down are forwarded to the tree. This is done by intercepting some navigational
+    // keystrokes that normally would go to the text search box (which has the focus by default).
+    const wxTreeItemId sel = m_libraryComponentTree->GetSelection();
+
+    switch ( aKeyStroke.GetKeyCode() )
+    {
+    case WXK_UP:
+        SelectIfValid( fixedGetPrevVisible( *m_libraryComponentTree, sel ) );
+        break;
+
+    case WXK_DOWN:
+        SelectIfValid( m_libraryComponentTree->GetNextVisible( sel ) );
+        break;
+
+    default:
+        aKeyStroke.Skip();  // Pass on to search box.
+        break;
+    }
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnTreeSelect( wxTreeEvent& aEvent )
+{
+    updateSelection();
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnDoubleClickTreeSelect( wxTreeEvent& aEvent )
+{
+    updateSelection();
+
+    if ( m_selected_component == NULL )
+        return;
+
+    // Ok, got selection. We don't just end the modal dialog here, but
+    // wait for the MouseUp event to occur. Otherwise something (broken?)
+    // happens: the dialog will close and will deliver the 'MouseUp' event
+    // to the eeschema canvas, that will immediately place the component.
+    m_received_doubleclick_in_tree = true;
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnTreeMouseUp( wxMouseEvent& aMouseEvent )
+{
+    if ( m_received_doubleclick_in_tree )
+        EndModal( wxID_OK );     // We are done (see OnDoubleClickTreeSelect)
+    else
+        aMouseEvent.Skip();      // Let upstream handle it.
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::OnStartComponentBrowser( wxMouseEvent& aEvent )
+{
+    m_external_browser_requested = true;
+    EndModal( wxID_OK );   // We are done.
+}
+
+
+void DIALOG_CHOOSE_COMPONENT::updateSelection()
+{
+    LIB_COMPONENT* selection = m_search_container->GetSelectedComponent();
+
+    if ( selection == m_selected_component )
+        return;   // no change.
+
+    m_selected_component = selection;
+
+    m_componentDetails->Clear();
+
+    if ( m_selected_component == NULL )
+        return;
+
+    wxFont font_normal = m_componentDetails->GetFont();
+    wxFont font_bold = m_componentDetails->GetFont();
+    font_bold.SetWeight( wxFONTWEIGHT_BOLD );
+
+    wxTextAttr headline_attribute;
+    headline_attribute.SetFont(font_bold);
+    wxTextAttr text_attribute;
+    text_attribute.SetFont(font_normal);
+
+    const wxString description = combineDescriptions( selection );
+
+    if ( !description.empty() )
+    {
+        m_componentDetails->SetDefaultStyle( headline_attribute );
+        m_componentDetails->AppendText( _("Description\n") );
+        m_componentDetails->SetDefaultStyle( text_attribute );
+        m_componentDetails->AppendText( description );
+        m_componentDetails->AppendText( wxT("\n") );
+    }
+
+    const wxString keywords = combineKeywords( selection );
+
+    if ( !keywords.empty() )
+    {
+        m_componentDetails->SetDefaultStyle( headline_attribute );
+        m_componentDetails->AppendText( _("Keywords\n") );
+        m_componentDetails->SetDefaultStyle( text_attribute );
+        m_componentDetails->AppendText( keywords );
+    }
+
+    m_componentDetails->SetInsertionPoint( 0 );  // scroll up.
+}
+
+
+// The GetPrevVisible() method is broken in at least 2.8 wxWidgets. This is mostly copied
+// verbatim from the latest 3.x source in which this is fixed.
+// ( wxWidgets/src/generic/treectlg.cpp )
+static wxTreeItemId fixedGetPrevVisible( const wxTreeCtrl& tree, const wxTreeItemId& item )
+{
+#if wxCHECK_VERSION( 3, 0, 0  )
+    return tree.GetPrevVisible(item);
+#else
+    // find out the starting point
+    wxTreeItemId prevItem = tree.GetPrevSibling(item);
+
+    if ( !prevItem.IsOk() )
+    {
+        prevItem = tree.GetItemParent(item);
+    }
+
+    // find the first visible item after it
+    while ( prevItem.IsOk() && !tree.IsVisible(prevItem) )
+    {
+        prevItem = tree.GetNext(prevItem);
+
+        if ( !prevItem.IsOk() || prevItem == item )
+        {
+            // there are no visible items before item
+            return wxTreeItemId();
+        }
+    }
+
+    // from there we must be able to navigate until this item
+    while ( prevItem.IsOk() )
+    {
+        const wxTreeItemId nextItem = tree.GetNextVisible(prevItem);
+
+        if ( !nextItem.IsOk() || nextItem == item )
+            break;
+
+        prevItem = nextItem;
+    }
+
+    return prevItem;
+#endif
+}

eeschema/dialogs/dialog_choose_component.h

+/* -*- c++ -*-
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
+ * Copyright (C) 2014 KiCad Developers, see change_log.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <dialog_choose_component_base.h>
+
+class COMPONENT_TREE_SEARCH_CONTAINER;
+class LIB_COMPONENT;
+class wxTreeItemId;
+
+class DIALOG_CHOOSE_COMPONENT : public DIALOG_CHOOSE_COMPONENT_BASE
+{
+public:
+    DIALOG_CHOOSE_COMPONENT( wxWindow* aParent, const wxString& aTitle,
+                             COMPONENT_TREE_SEARCH_CONTAINER* aSearch_container );
+
+    /** Function GetSelectedComponentName
+     * To be called after this dialog returns from ShowModal().
+     *
+     * @return the component that has been selected, or an empty string if there is none.
+     */
+    wxString GetSelectedComponentName() const;
+
+    /** Function IsExternalBrowserSelected
+     *
+     * @return true, iff the browser pressed the browsing button.
+     */
+    bool IsExternalBrowserSelected() const { return m_external_browser_requested; }
+
+protected:
+    virtual void OnSearchBoxChange( wxCommandEvent& aEvent );
+    virtual void OnSearchBoxEnter( wxCommandEvent& aEvent );
+    virtual void OnInterceptSearchBoxKey( wxKeyEvent& aEvent );
+
+    virtual void OnTreeSelect( wxTreeEvent& aEvent );
+    virtual void OnDoubleClickTreeSelect( wxTreeEvent& aEvent );
+    virtual void OnTreeMouseUp( wxMouseEvent& aMouseEvent );
+
+    virtual void OnStartComponentBrowser( wxMouseEvent& aEvent );
+
+private:
+    void updateSelection();
+    void SelectIfValid( const wxTreeItemId& aTreeId );
+
+    COMPONENT_TREE_SEARCH_CONTAINER* const m_search_container;
+    LIB_COMPONENT* m_selected_component;
+    bool m_external_browser_requested;
+    bool m_received_doubleclick_in_tree;
+};

eeschema/dialogs/dialog_choose_component_base.cpp

+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Nov  6 2013)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO "NOT" EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#include "dialog_choose_component_base.h"
+
+///////////////////////////////////////////////////////////////////////////
+
+DIALOG_CHOOSE_COMPONENT_BASE::DIALOG_CHOOSE_COMPONENT_BASE( wxWindow* parent, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size, long style ) : DIALOG_SHIM( parent, id, title, pos, size, style )
+{
+	this->SetSizeHints( wxSize( 450,-1 ), wxDefaultSize );
+	
+	wxBoxSizer* bSizer1;
+	bSizer1 = new wxBoxSizer( wxVERTICAL );
+	
+	wxBoxSizer* bSearchSizer;
+	bSearchSizer = new wxBoxSizer( wxHORIZONTAL );
+	
+	m_searchLabel = new wxStaticText( this, wxID_ANY, wxT("Search"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_searchLabel->Wrap( -1 );
+	bSearchSizer->Add( m_searchLabel, 0, wxALL, 5 );
+	
+	m_searchBox = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_PROCESS_ENTER );
+	bSearchSizer->Add( m_searchBox, 1, wxALL, 5 );
+	
+	
+	bSizer1->Add( bSearchSizer, 0, wxEXPAND, 5 );
+	
+	m_libraryComponentTree = new wxTreeCtrl( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTR_DEFAULT_STYLE|wxTR_HIDE_ROOT );
+	m_libraryComponentTree->SetMinSize( wxSize( -1,50 ) );
+	
+	bSizer1->Add( m_libraryComponentTree, 2, wxALL|wxEXPAND, 5 );
+	
+	wxBoxSizer* bSizer3;
+	bSizer3 = new wxBoxSizer( wxHORIZONTAL );
+	
+	m_componentView = new wxStaticText( this, wxID_ANY, wxT("TODO\n(mini. comp image)"), wxDefaultPosition, wxSize( 100,100 ), 0 );
+	m_componentView->Wrap( -1 );
+	m_componentView->SetMinSize( wxSize( 100,100 ) );
+	
+	bSizer3->Add( m_componentView, 0, wxALL, 5 );
+	
+	wxBoxSizer* bSizer6;
+	bSizer6 = new wxBoxSizer( wxVERTICAL );
+	
+	m_componentDetails = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( -1,100 ), wxTE_MULTILINE );
+	bSizer6->Add( m_componentDetails, 1, wxALL|wxEXPAND, 5 );
+	
+	m_unitChoice = new wxComboBox( this, wxID_ANY, wxT("Unit A"), wxDefaultPosition, wxDefaultSize, 0, NULL, 0 ); 
+	m_unitChoice->Enable( false );
+	m_unitChoice->Hide();
+	
+	bSizer6->Add( m_unitChoice, 0, wxALL, 5 );
+	
+	
+	bSizer3->Add( bSizer6, 2, wxEXPAND, 5 );
+	
+	
+	bSizer1->Add( bSizer3, 1, wxEXPAND, 5 );
+	
+	wxBoxSizer* bSizer5;
+	bSizer5 = new wxBoxSizer( wxHORIZONTAL );
+	
+	
+	bSizer5->Add( 0, 0, 1, wxEXPAND, 5 );
+	
+	m_button = new wxStdDialogButtonSizer();
+	m_buttonOK = new wxButton( this, wxID_OK );
+	m_button->AddButton( m_buttonOK );
+	m_buttonCancel = new wxButton( this, wxID_CANCEL );
+	m_button->AddButton( m_buttonCancel );
+	m_button->Realize();
+	
+	bSizer5->Add( m_button, 0, wxEXPAND, 5 );
+	
+	
+	bSizer1->Add( bSizer5, 0, wxEXPAND, 5 );
+	
+	
+	this->SetSizer( bSizer1 );
+	this->Layout();
+	
+	this->Centre( wxBOTH );
+	
+	// Connect Events
+	m_searchBox->Connect( wxEVT_KEY_DOWN, wxKeyEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnInterceptSearchBoxKey ), NULL, this );
+	m_searchBox->Connect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnSearchBoxChange ), NULL, this );
+	m_searchBox->Connect( wxEVT_COMMAND_TEXT_ENTER, wxCommandEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnSearchBoxEnter ), NULL, this );
+	m_libraryComponentTree->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnTreeMouseUp ), NULL, this );
+	m_libraryComponentTree->Connect( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, wxTreeEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnDoubleClickTreeSelect ), NULL, this );
+	m_libraryComponentTree->Connect( wxEVT_COMMAND_TREE_SEL_CHANGED, wxTreeEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnTreeSelect ), NULL, this );
+	m_componentView->Connect( wxEVT_LEFT_UP, wxMouseEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnStartComponentBrowser ), NULL, this );
+}
+
+DIALOG_CHOOSE_COMPONENT_BASE::~DIALOG_CHOOSE_COMPONENT_BASE()
+{
+	// Disconnect Events
+	m_searchBox->Disconnect( wxEVT_KEY_DOWN, wxKeyEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnInterceptSearchBoxKey ), NULL, this );
+	m_searchBox->Disconnect( wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnSearchBoxChange ), NULL, this );
+	m_searchBox->Disconnect( wxEVT_COMMAND_TEXT_ENTER, wxCommandEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnSearchBoxEnter ), NULL, this );
+	m_libraryComponentTree->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnTreeMouseUp ), NULL, this );
+	m_libraryComponentTree->Disconnect( wxEVT_COMMAND_TREE_ITEM_ACTIVATED, wxTreeEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnDoubleClickTreeSelect ), NULL, this );
+	m_libraryComponentTree->Disconnect( wxEVT_COMMAND_TREE_SEL_CHANGED, wxTreeEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnTreeSelect ), NULL, this );
+	m_componentView->Disconnect( wxEVT_LEFT_UP, wxMouseEventHandler( DIALOG_CHOOSE_COMPONENT_BASE::OnStartComponentBrowser ), NULL, this );
+	
+}

eeschema/dialogs/dialog_choose_component_base.fbp

+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<wxFormBuilder_Project>
+    <FileVersion major="1" minor="11" />
+    <object class="Project" expanded="1">
+        <property name="class_decoration"></property>
+        <property name="code_generation">C++</property>
+        <property name="disconnect_events">1</property>
+        <property name="disconnect_mode">source_name</property>
+        <property name="disconnect_php_events">0</property>
+        <property name="disconnect_python_events">0</property>
+        <property name="embedded_files_path">res</property>
+        <property name="encoding">UTF-8</property>
+        <property name="event_generation">connect</property>
+        <property name="file">dialog_choose_component_base</property>
+        <property name="first_id">1000</property>
+        <property name="help_provider">none</property>
+        <property name="internationalize">0</property>
+        <property name="name">dialog_choose_component_base</property>
+        <property name="namespace"></property>
+        <property name="path">.</property>
+        <property name="precompiled_header"></property>
+        <property name="relative_path">1</property>
+        <property name="skip_lua_events">1</property>
+        <property name="skip_php_events">1</property>
+        <property name="skip_python_events">1</property>
+        <property name="ui_table">UI</property>
+        <property name="use_enum">0</property>
+        <property name="use_microsoft_bom">0</property>
+        <object class="Dialog" expanded="1">
+            <property name="aui_managed">0</property>
+            <property name="aui_manager_style">wxAUI_MGR_DEFAULT</property>
+            <property name="bg"></property>
+            <property name="center">wxBOTH</property>
+            <property name="context_help"></property>
+            <property name="context_menu">1</property>
+            <property name="enabled">1</property>
+            <property name="event_handler">impl_virtual</property>
+            <property name="extra_style"></property>
+            <property name="fg"></property>
+            <property name="font"></property>
+            <property name="hidden">0</property>
+            <property name="id">wxID_ANY</property>
+            <property name="maximum_size"></property>
+            <property name="minimum_size">450,-1</property>
+            <property name="name">DIALOG_CHOOSE_COMPONENT_BASE</property>
+            <property name="pos"></property>
+            <property name="size">450,500</property>
+            <property name="style">wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER</property>
+            <property name="subclass">DIALOG_SHIM; dialog_shim.h</property>
+            <property name="title"></property>
+            <property name="tooltip"></property>
+            <property name="window_extra_style"></property>
+            <property name="window_name"></property>
+            <property name="window_style"></property>
+            <event name="OnActivate"></event>
+            <event name="OnActivateApp"></event>
+            <event name="OnAuiFindManager"></event>
+            <event name="OnAuiPaneButton"></event>
+            <event name="OnAuiPaneClose"></event>
+            <event name="OnAuiPaneMaximize"></event>
+            <event name="OnAuiPaneRestore"></event>
+            <event name="OnAuiRender"></event>
+            <event name="OnChar"></event>
+            <event name="OnClose"></event>
+            <event name="OnEnterWindow"></event>
+            <event name="OnEraseBackground"></event>
+            <event name="OnHibernate"></event>
+            <event name="OnIconize"></event>
+            <event name="OnIdle"></event>
+            <event name="OnInitDialog"></event>
+            <event name="OnKeyDown"></event>
+            <event name="OnKeyUp"></event>
+            <event name="OnKillFocus"></event>
+            <event name="OnLeaveWindow"></event>
+            <event name="OnLeftDClick"></event>
+            <event name="OnLeftDown"></event>
+            <event name="OnLeftUp"></event>
+            <event name="OnMiddleDClick"></event>
+            <event name="OnMiddleDown"></event>
+            <event name="OnMiddleUp"></event>
+            <event name="OnMotion"></event>
+            <event name="OnMouseEvents"></event>
+            <event name="OnMouseWheel"></event>
+            <event name="OnPaint"></event>
+            <event name="OnRightDClick"></event>
+            <event name="OnRightDown"></event>
+            <event name="OnRightUp"></event>
+            <event name="OnSetFocus"></event>
+            <event name="OnSize"></event>
+            <event name="OnUpdateUI"></event>
+            <object class="wxBoxSizer" expanded="1">
+                <property name="minimum_size"></property>
+                <property name="name">bSizer1</property>
+                <property name="orient">wxVERTICAL</property>
+                <property name="permission">none</property>
+                <object class="sizeritem" expanded="0">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">0</property>
+                    <object class="wxBoxSizer" expanded="0">
+                        <property name="minimum_size"></property>
+                        <property name="name">bSearchSizer</property>
+                        <property name="orient">wxHORIZONTAL</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="0">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">Search</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_searchLabel</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style"></property>
+                                <property name="subclass"></property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                                <event name="OnChar"></event>
+                                <event name="OnEnterWindow"></event>
+                                <event name="OnEraseBackground"></event>
+                                <event name="OnKeyDown"></event>
+                                <event name="OnKeyUp"></event>
+                                <event name="OnKillFocus"></event>
+                                <event name="OnLeaveWindow"></event>
+                                <event name="OnLeftDClick"></event>
+                                <event name="OnLeftDown"></event>
+                                <event name="OnLeftUp"></event>
+                                <event name="OnMiddleDClick"></event>
+                                <event name="OnMiddleDown"></event>
+                                <event name="OnMiddleUp"></event>
+                                <event name="OnMotion"></event>
+                                <event name="OnMouseEvents"></event>
+                                <event name="OnMouseWheel"></event>
+                                <event name="OnPaint"></event>
+                                <event name="OnRightDClick"></event>
+                                <event name="OnRightDown"></event>
+                                <event name="OnRightUp"></event>
+                                <event name="OnSetFocus"></event>
+                                <event name="OnSize"></event>
+                                <event name="OnUpdateUI"></event>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">1</property>
+                            <object class="wxTextCtrl" expanded="0">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size">-1,-1</property>
+                                <property name="maxlength"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_searchBox</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size"></property>
+                                <property name="style">wxTE_PROCESS_ENTER</property>
+                                <property name="subclass"></property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="validator_data_type"></property>
+                                <property name="validator_style">wxFILTER_NONE</property>
+                                <property name="validator_type">wxDefaultValidator</property>
+                                <property name="validator_variable"></property>
+                                <property name="value"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <event name="OnChar"></event>
+                                <event name="OnEnterWindow"></event>
+                                <event name="OnEraseBackground"></event>
+                                <event name="OnKeyDown">OnInterceptSearchBoxKey</event>
+                                <event name="OnKeyUp"></event>
+                                <event name="OnKillFocus"></event>
+                                <event name="OnLeaveWindow"></event>
+                                <event name="OnLeftDClick"></event>
+                                <event name="OnLeftDown"></event>
+                                <event name="OnLeftUp"></event>
+                                <event name="OnMiddleDClick"></event>
+                                <event name="OnMiddleDown"></event>
+                                <event name="OnMiddleUp"></event>
+                                <event name="OnMotion"></event>
+                                <event name="OnMouseEvents"></event>
+                                <event name="OnMouseWheel"></event>
+                                <event name="OnPaint"></event>
+                                <event name="OnRightDClick"></event>
+                                <event name="OnRightDown"></event>
+                                <event name="OnRightUp"></event>
+                                <event name="OnSetFocus"></event>
+                                <event name="OnSize"></event>
+                                <event name="OnText">OnSearchBoxChange</event>
+                                <event name="OnTextEnter">OnSearchBoxEnter</event>
+                                <event name="OnTextMaxLen"></event>
+                                <event name="OnTextURL"></event>
+                                <event name="OnUpdateUI"></event>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="0">
+                    <property name="border">5</property>
+                    <property name="flag">wxALL|wxEXPAND</property>
+                    <property name="proportion">2</property>
+                    <object class="wxTreeCtrl" expanded="0">
+                        <property name="BottomDockable">1</property>
+                        <property name="LeftDockable">1</property>
+                        <property name="RightDockable">1</property>
+                        <property name="TopDockable">1</property>
+                        <property name="aui_layer"></property>
+                        <property name="aui_name"></property>
+                        <property name="aui_position"></property>
+                        <property name="aui_row"></property>
+                        <property name="best_size"></property>
+                        <property name="bg"></property>
+                        <property name="caption"></property>
+                        <property name="caption_visible">1</property>
+                        <property name="center_pane">0</property>
+                        <property name="close_button">1</property>
+                        <property name="context_help"></property>
+                        <property name="context_menu">1</property>
+                        <property name="default_pane">0</property>
+                        <property name="dock">Dock</property>
+                        <property name="dock_fixed">0</property>
+                        <property name="docking">Left</property>
+                        <property name="enabled">1</property>
+                        <property name="fg"></property>
+                        <property name="floatable">1</property>
+                        <property name="font"></property>
+                        <property name="gripper">0</property>
+                        <property name="hidden">0</property>
+                        <property name="id">wxID_ANY</property>
+                        <property name="max_size"></property>
+                        <property name="maximize_button">0</property>
+                        <property name="maximum_size"></property>
+                        <property name="min_size"></property>
+                        <property name="minimize_button">0</property>
+                        <property name="minimum_size">-1,50</property>
+                        <property name="moveable">1</property>
+                        <property name="name">m_libraryComponentTree</property>
+                        <property name="pane_border">1</property>
+                        <property name="pane_position"></property>
+                        <property name="pane_size"></property>
+                        <property name="permission">protected</property>
+                        <property name="pin_button">1</property>
+                        <property name="pos"></property>
+                        <property name="resize">Resizable</property>
+                        <property name="show">1</property>
+                        <property name="size"></property>
+                        <property name="style">wxTR_DEFAULT_STYLE|wxTR_HIDE_ROOT</property>
+                        <property name="subclass"></property>
+                        <property name="toolbar_pane">0</property>
+                        <property name="tooltip"></property>
+                        <property name="window_extra_style"></property>
+                        <property name="window_name"></property>
+                        <property name="window_style"></property>
+                        <event name="OnChar"></event>
+                        <event name="OnEnterWindow"></event>
+                        <event name="OnEraseBackground"></event>
+                        <event name="OnKeyDown"></event>
+                        <event name="OnKeyUp"></event>
+                        <event name="OnKillFocus"></event>
+                        <event name="OnLeaveWindow"></event>
+                        <event name="OnLeftDClick"></event>
+                        <event name="OnLeftDown"></event>
+                        <event name="OnLeftUp">OnTreeMouseUp</event>
+                        <event name="OnMiddleDClick"></event>
+                        <event name="OnMiddleDown"></event>
+                        <event name="OnMiddleUp"></event>
+                        <event name="OnMotion"></event>
+                        <event name="OnMouseEvents"></event>
+                        <event name="OnMouseWheel"></event>
+                        <event name="OnPaint"></event>
+                        <event name="OnRightDClick"></event>
+                        <event name="OnRightDown"></event>
+                        <event name="OnRightUp"></event>
+                        <event name="OnSetFocus"></event>
+                        <event name="OnSize"></event>
+                        <event name="OnTreeBeginDrag"></event>
+                        <event name="OnTreeBeginLabelEdit"></event>
+                        <event name="OnTreeBeginRDrag"></event>
+                        <event name="OnTreeDeleteItem"></event>
+                        <event name="OnTreeEndDrag"></event>
+                        <event name="OnTreeEndLabelEdit"></event>
+                        <event name="OnTreeGetInfo"></event>
+                        <event name="OnTreeItemActivated">OnDoubleClickTreeSelect</event>
+                        <event name="OnTreeItemCollapsed"></event>
+                        <event name="OnTreeItemCollapsing"></event>
+                        <event name="OnTreeItemExpanded"></event>
+                        <event name="OnTreeItemExpanding"></event>
+                        <event name="OnTreeItemGetTooltip"></event>
+                        <event name="OnTreeItemMenu"></event>
+                        <event name="OnTreeItemMiddleClick"></event>
+                        <event name="OnTreeItemRightClick"></event>
+                        <event name="OnTreeKeyDown"></event>
+                        <event name="OnTreeSelChanged">OnTreeSelect</event>
+                        <event name="OnTreeSelChanging"></event>
+                        <event name="OnTreeSetInfo"></event>
+                        <event name="OnTreeStateImageClick"></event>
+                        <event name="OnUpdateUI"></event>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxEXPAND</property>
+                    <property name="proportion">1</property>
+                    <object class="wxBoxSizer" expanded="1">
+                        <property name="minimum_size"></property>
+                        <property name="name">bSizer3</property>
+                        <property name="orient">wxHORIZONTAL</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">5</property>
+                            <property name="flag">wxALL</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStaticText" expanded="0">
+                                <property name="BottomDockable">1</property>
+                                <property name="LeftDockable">1</property>
+                                <property name="RightDockable">1</property>
+                                <property name="TopDockable">1</property>
+                                <property name="aui_layer"></property>
+                                <property name="aui_name"></property>
+                                <property name="aui_position"></property>
+                                <property name="aui_row"></property>
+                                <property name="best_size"></property>
+                                <property name="bg"></property>
+                                <property name="caption"></property>
+                                <property name="caption_visible">1</property>
+                                <property name="center_pane">0</property>
+                                <property name="close_button">1</property>
+                                <property name="context_help"></property>
+                                <property name="context_menu">1</property>
+                                <property name="default_pane">0</property>
+                                <property name="dock">Dock</property>
+                                <property name="dock_fixed">0</property>
+                                <property name="docking">Left</property>
+                                <property name="enabled">1</property>
+                                <property name="fg"></property>
+                                <property name="floatable">1</property>
+                                <property name="font"></property>
+                                <property name="gripper">0</property>
+                                <property name="hidden">0</property>
+                                <property name="id">wxID_ANY</property>
+                                <property name="label">TODO&#x0A;(mini. comp image)</property>
+                                <property name="max_size"></property>
+                                <property name="maximize_button">0</property>
+                                <property name="maximum_size"></property>
+                                <property name="min_size"></property>
+                                <property name="minimize_button">0</property>
+                                <property name="minimum_size">100,100</property>
+                                <property name="moveable">1</property>
+                                <property name="name">m_componentView</property>
+                                <property name="pane_border">1</property>
+                                <property name="pane_position"></property>
+                                <property name="pane_size"></property>
+                                <property name="permission">protected</property>
+                                <property name="pin_button">1</property>
+                                <property name="pos"></property>
+                                <property name="resize">Resizable</property>
+                                <property name="show">1</property>
+                                <property name="size">100,100</property>
+                                <property name="style"></property>
+                                <property name="subclass"></property>
+                                <property name="toolbar_pane">0</property>
+                                <property name="tooltip"></property>
+                                <property name="window_extra_style"></property>
+                                <property name="window_name"></property>
+                                <property name="window_style"></property>
+                                <property name="wrap">-1</property>
+                                <event name="OnChar"></event>
+                                <event name="OnEnterWindow"></event>
+                                <event name="OnEraseBackground"></event>
+                                <event name="OnKeyDown"></event>
+                                <event name="OnKeyUp"></event>
+                                <event name="OnKillFocus"></event>
+                                <event name="OnLeaveWindow"></event>
+                                <event name="OnLeftDClick"></event>
+                                <event name="OnLeftDown"></event>
+                                <event name="OnLeftUp">OnStartComponentBrowser</event>
+                                <event name="OnMiddleDClick"></event>
+                                <event name="OnMiddleDown"></event>
+                                <event name="OnMiddleUp"></event>
+                                <event name="OnMotion"></event>
+                                <event name="OnMouseEvents"></event>
+                                <event name="OnMouseWheel"></event>
+                                <event name="OnPaint"></event>
+                                <event name="OnRightDClick"></event>
+                                <event name="OnRightDown"></event>
+                                <event name="OnRightUp"></event>
+                                <event name="OnSetFocus"></event>
+                                <event name="OnSize"></event>
+                                <event name="OnUpdateUI"></event>
+                            </object>
+                        </object>
+                        <object class="sizeritem" expanded="1">
+                            <property name="border">5</property>
+                            <property name="flag">wxEXPAND</property>
+                            <property name="proportion">2</property>
+                            <object class="wxBoxSizer" expanded="1">
+                                <property name="minimum_size"></property>
+                                <property name="name">bSizer6</property>
+                                <property name="orient">wxVERTICAL</property>
+                                <property name="permission">none</property>
+                                <object class="sizeritem" expanded="0">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL|wxEXPAND</property>
+                                    <property name="proportion">1</property>
+                                    <object class="wxTextCtrl" expanded="0">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">1</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">0</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="maxlength"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size">-1,100</property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_componentDetails</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="show">1</property>
+                                        <property name="size">-1,-1</property>
+                                        <property name="style">wxTE_MULTILINE</property>
+                                        <property name="subclass"></property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="value"></property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <event name="OnChar"></event>
+                                        <event name="OnEnterWindow"></event>
+                                        <event name="OnEraseBackground"></event>
+                                        <event name="OnKeyDown"></event>
+                                        <event name="OnKeyUp"></event>
+                                        <event name="OnKillFocus"></event>
+                                        <event name="OnLeaveWindow"></event>
+                                        <event name="OnLeftDClick"></event>
+                                        <event name="OnLeftDown"></event>
+                                        <event name="OnLeftUp"></event>
+                                        <event name="OnMiddleDClick"></event>
+                                        <event name="OnMiddleDown"></event>
+                                        <event name="OnMiddleUp"></event>
+                                        <event name="OnMotion"></event>
+                                        <event name="OnMouseEvents"></event>
+                                        <event name="OnMouseWheel"></event>
+                                        <event name="OnPaint"></event>
+                                        <event name="OnRightDClick"></event>
+                                        <event name="OnRightDown"></event>
+                                        <event name="OnRightUp"></event>
+                                        <event name="OnSetFocus"></event>
+                                        <event name="OnSize"></event>
+                                        <event name="OnText"></event>
+                                        <event name="OnTextEnter"></event>
+                                        <event name="OnTextMaxLen"></event>
+                                        <event name="OnTextURL"></event>
+                                        <event name="OnUpdateUI"></event>
+                                    </object>
+                                </object>
+                                <object class="sizeritem" expanded="0">
+                                    <property name="border">5</property>
+                                    <property name="flag">wxALL</property>
+                                    <property name="proportion">0</property>
+                                    <object class="wxComboBox" expanded="0">
+                                        <property name="BottomDockable">1</property>
+                                        <property name="LeftDockable">1</property>
+                                        <property name="RightDockable">1</property>
+                                        <property name="TopDockable">1</property>
+                                        <property name="aui_layer"></property>
+                                        <property name="aui_name"></property>
+                                        <property name="aui_position"></property>
+                                        <property name="aui_row"></property>
+                                        <property name="best_size"></property>
+                                        <property name="bg"></property>
+                                        <property name="caption"></property>
+                                        <property name="caption_visible">1</property>
+                                        <property name="center_pane">0</property>
+                                        <property name="choices"></property>
+                                        <property name="close_button">1</property>
+                                        <property name="context_help"></property>
+                                        <property name="context_menu">1</property>
+                                        <property name="default_pane">0</property>
+                                        <property name="dock">Dock</property>
+                                        <property name="dock_fixed">0</property>
+                                        <property name="docking">Left</property>
+                                        <property name="enabled">0</property>
+                                        <property name="fg"></property>
+                                        <property name="floatable">1</property>
+                                        <property name="font"></property>
+                                        <property name="gripper">0</property>
+                                        <property name="hidden">1</property>
+                                        <property name="id">wxID_ANY</property>
+                                        <property name="max_size"></property>
+                                        <property name="maximize_button">0</property>
+                                        <property name="maximum_size"></property>
+                                        <property name="min_size"></property>
+                                        <property name="minimize_button">0</property>
+                                        <property name="minimum_size"></property>
+                                        <property name="moveable">1</property>
+                                        <property name="name">m_unitChoice</property>
+                                        <property name="pane_border">1</property>
+                                        <property name="pane_position"></property>
+                                        <property name="pane_size"></property>
+                                        <property name="permission">protected</property>
+                                        <property name="pin_button">1</property>
+                                        <property name="pos"></property>
+                                        <property name="resize">Resizable</property>
+                                        <property name="selection">-1</property>
+                                        <property name="show">1</property>
+                                        <property name="size"></property>
+                                        <property name="style"></property>
+                                        <property name="subclass"></property>
+                                        <property name="toolbar_pane">0</property>
+                                        <property name="tooltip"></property>
+                                        <property name="validator_data_type"></property>
+                                        <property name="validator_style">wxFILTER_NONE</property>
+                                        <property name="validator_type">wxDefaultValidator</property>
+                                        <property name="validator_variable"></property>
+                                        <property name="value">Unit A</property>
+                                        <property name="window_extra_style"></property>
+                                        <property name="window_name"></property>
+                                        <property name="window_style"></property>
+                                        <event name="OnChar"></event>
+                                        <event name="OnCombobox"></event>
+                                        <event name="OnEnterWindow"></event>
+                                        <event name="OnEraseBackground"></event>
+                                        <event name="OnKeyDown"></event>
+                                        <event name="OnKeyUp"></event>
+                                        <event name="OnKillFocus"></event>
+                                        <event name="OnLeaveWindow"></event>
+                                        <event name="OnLeftDClick"></event>
+                                        <event name="OnLeftDown"></event>
+                                        <event name="OnLeftUp"></event>
+                                        <event name="OnMiddleDClick"></event>
+                                        <event name="OnMiddleDown"></event>
+                                        <event name="OnMiddleUp"></event>
+                                        <event name="OnMotion"></event>
+                                        <event name="OnMouseEvents"></event>
+                                        <event name="OnMouseWheel"></event>
+                                        <event name="OnPaint"></event>
+                                        <event name="OnRightDClick"></event>
+                                        <event name="OnRightDown"></event>
+                                        <event name="OnRightUp"></event>
+                                        <event name="OnSetFocus"></event>
+                                        <event name="OnSize"></event>
+                                        <event name="OnText"></event>
+                                        <event name="OnTextEnter"></event>
+                                        <event name="OnUpdateUI"></event>
+                                    </object>
+                                </object>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+                <object class="sizeritem" expanded="1">
+                    <property name="border">5</property>
+                    <property name="flag">wxALIGN_RIGHT</property>
+                    <property name="proportion">0</property>
+                    <object class="wxBoxSizer" expanded="1">
+                        <property name="minimum_size"></property>
+                        <property name="name">bSizer5</property>
+                        <property name="orient">wxVERTICAL</property>
+                        <property name="permission">none</property>
+                        <object class="sizeritem" expanded="0">
+                            <property name="border">5</property>
+                            <property name="flag">wxEXPAND</property>
+                            <property name="proportion">0</property>
+                            <object class="wxStdDialogButtonSizer" expanded="0">
+                                <property name="Apply">0</property>
+                                <property name="Cancel">1</property>
+                                <property name="ContextHelp">0</property>
+                                <property name="Help">0</property>
+                                <property name="No">0</property>
+                                <property name="OK">1</property>
+                                <property name="Save">0</property>
+                                <property name="Yes">0</property>
+                                <property name="minimum_size"></property>
+                                <property name="name">m_button</property>
+                                <property name="permission">protected</property>
+                                <event name="OnApplyButtonClick"></event>
+                                <event name="OnCancelButtonClick"></event>
+                                <event name="OnContextHelpButtonClick"></event>
+                                <event name="OnHelpButtonClick"></event>
+                                <event name="OnNoButtonClick"></event>
+                                <event name="OnOKButtonClick"></event>
+                                <event name="OnSaveButtonClick"></event>
+                                <event name="OnYesButtonClick"></event>
+                            </object>
+                        </object>
+                    </object>
+                </object>
+            </object>
+        </object>
+    </object>
+</wxFormBuilder_Project>

eeschema/dialogs/dialog_choose_component_base.h

+///////////////////////////////////////////////////////////////////////////
+// C++ code generated with wxFormBuilder (version Nov  6 2013)
+// http://www.wxformbuilder.org/
+//
+// PLEASE DO "NOT" EDIT THIS FILE!
+///////////////////////////////////////////////////////////////////////////
+
+#ifndef __DIALOG_CHOOSE_COMPONENT_BASE_H__
+#define __DIALOG_CHOOSE_COMPONENT_BASE_H__
+
+#include <wx/artprov.h>
+#include <wx/xrc/xmlres.h>
+class DIALOG_SHIM;
+
+#include "dialog_shim.h"
+#include <wx/string.h>
+#include <wx/stattext.h>
+#include <wx/gdicmn.h>
+#include <wx/font.h>
+#include <wx/colour.h>
+#include <wx/settings.h>
+#include <wx/textctrl.h>
+#include <wx/sizer.h>
+#include <wx/treectrl.h>
+#include <wx/combobox.h>
+#include <wx/button.h>
+#include <wx/dialog.h>
+
+///////////////////////////////////////////////////////////////////////////
+
+
+///////////////////////////////////////////////////////////////////////////////
+/// Class DIALOG_CHOOSE_COMPONENT_BASE
+///////////////////////////////////////////////////////////////////////////////
+class DIALOG_CHOOSE_COMPONENT_BASE : public DIALOG_SHIM
+{
+	private:
+	
+	protected:
+		wxStaticText* m_searchLabel;
+		wxTextCtrl* m_searchBox;
+		wxTreeCtrl* m_libraryComponentTree;
+		wxStaticText* m_componentView;
+		wxTextCtrl* m_componentDetails;
+		wxComboBox* m_unitChoice;
+		wxStdDialogButtonSizer* m_button;
+		wxButton* m_buttonOK;
+		wxButton* m_buttonCancel;
+		
+		// Virtual event handlers, overide them in your derived class
+		virtual void OnInterceptSearchBoxKey( wxKeyEvent& event ) { event.Skip(); }
+		virtual void OnSearchBoxChange( wxCommandEvent& event ) { event.Skip(); }
+		virtual void OnSearchBoxEnter( wxCommandEvent& event ) { event.Skip(); }
+		virtual void OnTreeMouseUp( wxMouseEvent& event ) { event.Skip(); }
+		virtual void OnDoubleClickTreeSelect( wxTreeEvent& event ) { event.Skip(); }
+		virtual void OnTreeSelect( wxTreeEvent& event ) { event.Skip(); }
+		virtual void OnStartComponentBrowser( wxMouseEvent& event ) { event.Skip(); }
+		
+	
+	public:
+		
+		DIALOG_CHOOSE_COMPONENT_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 450,500 ), long style = wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER ); 
+		~DIALOG_CHOOSE_COMPONENT_BASE();
+	
+};
+
+#endif //__DIALOG_CHOOSE_COMPONENT_BASE_H__

eeschema/getpart.cpp

@@ -45,11 +45,14 @@
 #include <viewlib_frame.h>
 #include <eeschema_id.h>
 
+#include <dialog_choose_component.h>
+#include <component_tree_search_container.h>
 #include <dialog_get_component.h>
 
 #include <boost/foreach.hpp>
 
 
+// TODO(hzeller): would be good if we could give a pre-selected component.
 wxString SCH_BASE_FRAME::SelectComponentFromLibBrowser( void )
 {
     wxSemaphore semaphore( 0, 1 );
@@ -76,118 +79,66 @@ wxString SCH_BASE_FRAME::SelectComponentFromLibBrowser( void )
     return cmpname;
 }
 
-
 wxString SCH_BASE_FRAME::SelectComponentFromLibrary( const wxString& aLibname,
                                                      wxArrayString&  aHistoryList,
                                                      bool            aUseLibBrowser,
                                                      int*            aUnit,
                                                      int*            aConvert )
 {
-    int             CmpCount  = 0;
-    LIB_COMPONENT*  libEntry     = NULL;
-    CMP_LIBRARY*    currLibrary   = NULL;
-    wxString        cmpName, keys, msg;
-    bool            allowWildSeach = true;
+    int             cmpCount  = 0;
+    wxString        dialogTitle;
+
+    COMPONENT_TREE_SEARCH_CONTAINER search_container;   // Container doing search-as-you-type
 
     if( !aLibname.IsEmpty() )
     {
-        currLibrary = CMP_LIBRARY::FindLibrary( aLibname );
+        CMP_LIBRARY* currLibrary = CMP_LIBRARY::FindLibrary( aLibname );
 
         if( currLibrary != NULL )
-            CmpCount = currLibrary->GetCount();
+        {
+            cmpCount = currLibrary->GetCount();
+            search_container.AddLibrary( *currLibrary );
+        }
     }
     else
     {
         BOOST_FOREACH( CMP_LIBRARY& lib, CMP_LIBRARY::GetLibraryList() )
         {
-            CmpCount += lib.GetCount();
-        }
+            cmpCount += lib.GetCount();
+            search_container.AddLibrary( lib );
         }
-
-    // Ask for a component name or key words
-    msg.Printf( _( "Component selection (%d items loaded):" ), CmpCount );
-
-    DIALOG_GET_COMPONENT dlg( this, aHistoryList, msg, aUseLibBrowser );
-
-    if( aHistoryList.GetCount() )
-        dlg.SetComponentName( aHistoryList[0] );
-
-    if( dlg.ShowModal() == wxID_CANCEL )
-        return wxEmptyString;
-
-    if( dlg.m_GetExtraFunction )
-    {
-        cmpName = SelectComponentFromLibBrowser();
-        if( aUnit )
-            *aUnit = LIB_VIEW_FRAME::GetUnit();
-        if( aConvert )
-            *aConvert = LIB_VIEW_FRAME::GetConvert();
-        if( !cmpName.IsEmpty() )
-            AddHistoryComponentName( aHistoryList, cmpName );
-        return cmpName;
     }
-    else
-        cmpName = dlg.GetComponentName();
-
-    if( cmpName.IsEmpty() )
-        return wxEmptyString;
 
-    // Here, cmpName contains the component name,
-    // or "*" if the Select All dialog button was pressed
-
-#ifndef KICAD_KEEPCASE
-    cmpName.MakeUpper();
-#endif
-
-    if( dlg.IsKeyword() )
+    if( !aHistoryList.empty() )
     {
-        allowWildSeach = false;
-        keys = cmpName;
-        cmpName = DataBaseGetName( this, keys, cmpName );
-
-        if( cmpName.IsEmpty() )
-            return wxEmptyString;
+        // This is good for a transition for experineced users: giving them a History. Ideally,
+        // we actually make this part even faster to access with a popup on ALT-a or something.
+        search_container.AddComponentList( _("-- History --"), aHistoryList, NULL, true );
+        search_container.SetPreselectNode( aHistoryList[0] );
     }
-    else if( cmpName == wxT( "*" ) )
-    {
-        allowWildSeach = false;
 
-        if( GetNameOfPartToLoad( this, currLibrary, cmpName ) == 0 )
-            return wxEmptyString;
-    }
-    else if( cmpName.Contains( wxT( "?" ) ) || cmpName.Contains( wxT( "*" ) ) )
-    {
-        allowWildSeach = false;
-        cmpName = DataBaseGetName( this, keys, cmpName );
+    dialogTitle.Printf( _( "Choose Component (%d items loaded)" ), cmpCount );
+    DIALOG_CHOOSE_COMPONENT dlg( this, dialogTitle, &search_container );
 
-        if( cmpName.IsEmpty() )
+    if( dlg.ShowModal() == wxID_CANCEL )
         return wxEmptyString;
-    }
 
-    libEntry = CMP_LIBRARY::FindLibraryComponent( cmpName, aLibname );
+    wxString cmpName = dlg.GetSelectedComponentName();
 
-    if( !libEntry && allowWildSeach ) // Search with wildcard
+    if( dlg.IsExternalBrowserSelected() )
     {
-        allowWildSeach = false;
-        wxString wildname = wxChar( '*' ) + cmpName + wxChar( '*' );
-        cmpName = wildname;
-        cmpName = DataBaseGetName( this, keys, cmpName );
-
-        if( !cmpName.IsEmpty() )
-            libEntry = CMP_LIBRARY::FindLibraryComponent( cmpName, aLibname );
+        cmpName = SelectComponentFromLibBrowser();  // Would be good if we could pre-select.
 
-        if( !libEntry )
-            return wxEmptyString;
-    }
+        if( aUnit )
+            *aUnit = LIB_VIEW_FRAME::GetUnit();
 
-    if( !libEntry )
-    {
-        msg.Printf( _( "Failed to find part <%s> in library" ), GetChars( cmpName ) );
-        DisplayError( this, msg );
-        return wxEmptyString;
+        if( aConvert )
+            *aConvert = LIB_VIEW_FRAME::GetConvert();
     }
 
+    if ( !cmpName.empty() )
         AddHistoryComponentName( aHistoryList, cmpName );
+
     return cmpName;
 }