kicad/eeschema/widgets/panel_symbol_chooser.cpp

689 lines
23 KiB
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) 2016-2024 KiCad Developers, see AUTHORS.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 <pgm_base.h>
#include <symbol_library.h> // For SYMBOL_LIBRARY_FILTER
#include <panel_symbol_chooser.h>
#include <kiface_base.h>
#include <sch_base_frame.h>
#include <project_sch.h>
#include <widgets/lib_tree.h>
#include <widgets/symbol_preview_widget.h>
#include <widgets/footprint_preview_widget.h>
#include <widgets/footprint_select_widget.h>
#include <settings/settings_manager.h>
#include <project/project_file.h>
#include <eeschema_settings.h>
#include <symbol_editor_settings.h>
#include <wx/button.h>
#include <wx/clipbrd.h>
#include <wx/panel.h>
#include <wx/sizer.h>
#include <wx/splitter.h>
#include <wx/timer.h>
#include <wx/wxhtml.h>
wxString PANEL_SYMBOL_CHOOSER::g_symbolSearchString;
wxString PANEL_SYMBOL_CHOOSER::g_powerSearchString;
PANEL_SYMBOL_CHOOSER::PANEL_SYMBOL_CHOOSER( SCH_BASE_FRAME* aFrame, wxWindow* aParent,
const SYMBOL_LIBRARY_FILTER* aFilter,
std::vector<PICKED_SYMBOL>& aHistoryList,
std::vector<PICKED_SYMBOL>& aAlreadyPlaced,
bool aAllowFieldEdits, bool aShowFootprints,
std::function<void()> aAcceptHandler,
std::function<void()> aEscapeHandler ) :
wxPanel( aParent, wxID_ANY, wxDefaultPosition, wxDefaultSize ),
m_symbol_preview( nullptr ),
m_hsplitter( nullptr ),
m_vsplitter( nullptr ),
m_fp_sel_ctrl( nullptr ),
m_fp_preview( nullptr ),
m_tree( nullptr ),
m_details( nullptr ),
m_frame( aFrame ),
m_acceptHandler( std::move( aAcceptHandler ) ),
m_escapeHandler( std::move( aEscapeHandler ) ),
m_showPower( false ),
m_allow_field_edits( aAllowFieldEdits ),
m_show_footprints( aShowFootprints )
{
SYMBOL_LIB_TABLE* libs = PROJECT_SCH::SchSymbolLibTable( &m_frame->Prj() );
COMMON_SETTINGS::SESSION& session = Pgm().GetCommonSettings()->m_Session;
PROJECT_FILE& project = m_frame->Prj().GetProjectFile();
// Make sure settings are loaded before we start running multi-threaded symbol loaders
Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
Pgm().GetSettingsManager().GetAppSettings<SYMBOL_EDITOR_SETTINGS>();
m_adapter = SYMBOL_TREE_MODEL_ADAPTER::Create( m_frame, libs );
SYMBOL_TREE_MODEL_ADAPTER* adapter = static_cast<SYMBOL_TREE_MODEL_ADAPTER*>( m_adapter.get() );
bool loaded = false;
if( aFilter )
{
const wxArrayString& liblist = aFilter->GetAllowedLibList();
for( const wxString& nickname : liblist )
{
if( libs->HasLibrary( nickname, true ) )
{
loaded = true;
bool pinned = alg::contains( session.pinned_symbol_libs, nickname )
|| alg::contains( project.m_PinnedSymbolLibs, nickname );
if( libs->FindRow( nickname )->GetIsVisible() )
adapter->AddLibrary( nickname, pinned );
}
}
adapter->AssignIntrinsicRanks();
if( aFilter->GetFilterPowerSymbols() )
{
// HACK ALERT: when loading symbols we presume that *any* filter is a power symbol
// filter. So the filter only needs to return true for libraries.
static std::function<bool( LIB_TREE_NODE& )> powerFilter =
[]( LIB_TREE_NODE& aNode ) -> bool
{
return true;
};
adapter->SetFilter( &powerFilter );
m_showPower = true;
m_show_footprints = false;
}
}
std::vector<LIB_SYMBOL> history_list_storage;
std::vector<LIB_TREE_ITEM*> history_list;
std::vector<LIB_SYMBOL> already_placed_storage;
std::vector<LIB_TREE_ITEM*> already_placed;
// Lambda to encapsulate the common logic
auto processList =
[&]( const std::vector<PICKED_SYMBOL>& inputList,
std::vector<LIB_SYMBOL>& storageList,
std::vector<LIB_TREE_ITEM*>& resultList )
{
storageList.reserve( inputList.size() );
for( const PICKED_SYMBOL& i : inputList )
{
LIB_SYMBOL* symbol = m_frame->GetLibSymbol( i.LibId );
if( symbol )
{
storageList.emplace_back( *symbol );
for( const std::pair<int, wxString>& fieldDef : i.Fields )
{
LIB_FIELD* field = storageList.back().GetFieldById( fieldDef.first );
if( field )
field->SetText( fieldDef.second );
}
resultList.push_back( &storageList.back() );
}
}
};
// Sort the already placed list since it is potentially from multiple sessions,
// but not the most recent list since we want this listed by most recent usage.
std::sort( aAlreadyPlaced.begin(), aAlreadyPlaced.end(),
[]( PICKED_SYMBOL const& a, PICKED_SYMBOL const& b )
{
return a.LibId.GetLibItemName() < b.LibId.GetLibItemName();
} );
processList( aHistoryList, history_list_storage, history_list );
processList( aAlreadyPlaced, already_placed_storage, already_placed );
adapter->DoAddLibrary( wxT( "-- " ) + _( "Recently Used" ) + wxT( " --" ), wxEmptyString,
history_list, false, true );
if( !aHistoryList.empty() )
adapter->SetPreselectNode( aHistoryList[0].LibId, aHistoryList[0].Unit );
adapter->DoAddLibrary( wxT( "-- " ) + _( "Already Placed" ) + wxT( " --" ), wxEmptyString,
already_placed, false, true );
const std::vector< wxString > libNicknames = libs->GetLogicalLibs();
if( !loaded )
{
if( !adapter->AddLibraries( libNicknames, m_frame ) )
{
// loading cancelled by user
m_acceptHandler();
}
}
// -------------------------------------------------------------------------------------
// Construct the actual panel
//
wxBoxSizer* sizer = new wxBoxSizer( wxVERTICAL );
// Use a slightly different layout, with a details pane spanning the entire window,
// if we're not showing footprints.
if( m_show_footprints )
{
m_hsplitter = new wxSplitterWindow( this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSP_LIVE_UPDATE | wxSP_NOBORDER | wxSP_3DSASH );
//Avoid the splitter window being assigned as the Parent to additional windows
m_hsplitter->SetExtraStyle( wxWS_EX_TRANSIENT );
sizer->Add( m_hsplitter, 1, wxEXPAND, 5 );
}
else
{
m_vsplitter = new wxSplitterWindow( this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSP_LIVE_UPDATE | wxSP_NOBORDER | wxSP_3DSASH );
m_hsplitter = new wxSplitterWindow( m_vsplitter, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxSP_LIVE_UPDATE | wxSP_NOBORDER | wxSP_3DSASH );
// Avoid the splitter window being assigned as the parent to additional windows.
m_vsplitter->SetExtraStyle( wxWS_EX_TRANSIENT );
m_hsplitter->SetExtraStyle( wxWS_EX_TRANSIENT );
wxPanel* detailsPanel = new wxPanel( m_vsplitter );
wxBoxSizer* detailsSizer = new wxBoxSizer( wxVERTICAL );
detailsPanel->SetSizer( detailsSizer );
m_details = new HTML_WINDOW( detailsPanel, wxID_ANY, wxDefaultPosition, wxDefaultSize );
detailsSizer->Add( m_details, 1, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 5 );
detailsPanel->Layout();
detailsSizer->Fit( detailsPanel );
m_vsplitter->SetSashGravity( 0.5 );
m_vsplitter->SetMinimumPaneSize( 20 );
m_vsplitter->SplitHorizontally( m_hsplitter, detailsPanel );
sizer->Add( m_vsplitter, 1, wxEXPAND | wxBOTTOM, 5 );
}
wxPanel* treePanel = new wxPanel( m_hsplitter );
wxBoxSizer* treeSizer = new wxBoxSizer( wxVERTICAL );
treePanel->SetSizer( treeSizer );
m_tree = new LIB_TREE( treePanel, m_showPower ? wxT( "power" ) : wxT( "symbols" ),
libs, m_adapter, LIB_TREE::FLAGS::ALL_WIDGETS, m_details );
treeSizer->Add( m_tree, 1, wxALL | wxEXPAND, 5 );
treePanel->Layout();
treeSizer->Fit( treePanel );
m_adapter->FinishTreeInitialization();
if( m_showPower )
m_tree->SetSearchString( g_powerSearchString );
else
m_tree->SetSearchString( g_symbolSearchString );
m_hsplitter->SetSashGravity( 0.8 );
m_hsplitter->SetMinimumPaneSize( 20 );
m_hsplitter->SplitVertically( treePanel, constructRightPanel( m_hsplitter ) );
m_dbl_click_timer = new wxTimer( this );
m_open_libs_timer = new wxTimer( this );
SetSizer( sizer );
Layout();
Bind( wxEVT_TIMER, &PANEL_SYMBOL_CHOOSER::onCloseTimer, this, m_dbl_click_timer->GetId() );
Bind( wxEVT_TIMER, &PANEL_SYMBOL_CHOOSER::onOpenLibsTimer, this, m_open_libs_timer->GetId() );
Bind( EVT_LIBITEM_SELECTED, &PANEL_SYMBOL_CHOOSER::onSymbolSelected, this );
Bind( EVT_LIBITEM_CHOSEN, &PANEL_SYMBOL_CHOOSER::onSymbolChosen, this );
Bind( wxEVT_CHAR_HOOK, &PANEL_SYMBOL_CHOOSER::OnChar, this );
if( m_fp_sel_ctrl )
{
m_fp_sel_ctrl->Bind( EVT_FOOTPRINT_SELECTED, &PANEL_SYMBOL_CHOOSER::onFootprintSelected,
this );
}
if( m_details )
{
m_details->Connect( wxEVT_CHAR_HOOK,
wxKeyEventHandler( PANEL_SYMBOL_CHOOSER::OnDetailsCharHook ),
nullptr, this );
}
// Open the user's previously opened libraries on timer expiration.
// This is done on a timer because we need a gross hack to keep GTK from garbling the
// display. Must be longer than the search debounce timer.
m_open_libs_timer->StartOnce( 300 );
}
PANEL_SYMBOL_CHOOSER::~PANEL_SYMBOL_CHOOSER()
{
Unbind( wxEVT_TIMER, &PANEL_SYMBOL_CHOOSER::onCloseTimer, this );
Unbind( EVT_LIBITEM_SELECTED, &PANEL_SYMBOL_CHOOSER::onSymbolSelected, this );
Unbind( EVT_LIBITEM_CHOSEN, &PANEL_SYMBOL_CHOOSER::onSymbolChosen, this );
Unbind( wxEVT_CHAR_HOOK, &PANEL_SYMBOL_CHOOSER::OnChar, this );
// Stop the timer during destruction early to avoid potential race conditions (that do happen)
m_dbl_click_timer->Stop();
m_open_libs_timer->Stop();
delete m_dbl_click_timer;
delete m_open_libs_timer;
if( m_showPower )
g_powerSearchString = m_tree->GetSearchString();
else
g_symbolSearchString = m_tree->GetSearchString();
if( m_fp_sel_ctrl )
{
m_fp_sel_ctrl->Unbind( EVT_FOOTPRINT_SELECTED, &PANEL_SYMBOL_CHOOSER::onFootprintSelected,
this );
}
if( m_details )
{
m_details->Disconnect( wxEVT_CHAR_HOOK,
wxKeyEventHandler( PANEL_SYMBOL_CHOOSER::OnDetailsCharHook ),
nullptr, this );
}
if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
{
// Save any changes to column widths, etc.
m_adapter->SaveSettings();
cfg->m_SymChooserPanel.width = GetParent()->GetSize().x;
cfg->m_SymChooserPanel.height = GetParent()->GetSize().y;
cfg->m_SymChooserPanel.sash_pos_h = m_hsplitter->GetSashPosition();
if( m_vsplitter )
cfg->m_SymChooserPanel.sash_pos_v = m_vsplitter->GetSashPosition();
cfg->m_SymChooserPanel.sort_mode = m_tree->GetSortMode();
}
}
void PANEL_SYMBOL_CHOOSER::OnChar( wxKeyEvent& aEvent )
{
if( aEvent.GetKeyCode() == WXK_ESCAPE )
{
wxObject* eventSource = aEvent.GetEventObject();
if( wxTextCtrl* textCtrl = dynamic_cast<wxTextCtrl*>( eventSource ) )
{
// First escape cancels search string value
if( textCtrl->GetValue() == m_tree->GetSearchString()
&& !m_tree->GetSearchString().IsEmpty() )
{
m_tree->SetSearchString( wxEmptyString );
return;
}
}
m_escapeHandler();
}
else
{
aEvent.Skip();
}
}
wxPanel* PANEL_SYMBOL_CHOOSER::constructRightPanel( wxWindow* aParent )
{
EDA_DRAW_PANEL_GAL::GAL_TYPE backend;
if( m_frame->GetCanvas() )
{
backend = m_frame->GetCanvas()->GetBackend();
}
else
{
EESCHEMA_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
backend = (EDA_DRAW_PANEL_GAL::GAL_TYPE) cfg->m_Graphics.canvas_type;
}
wxPanel* panel = new wxPanel( aParent );
wxBoxSizer* sizer = new wxBoxSizer( wxVERTICAL );
m_symbol_preview = new SYMBOL_PREVIEW_WIDGET( panel, &m_frame->Kiway(), true, backend );
m_symbol_preview->SetLayoutDirection( wxLayout_LeftToRight );
if( m_show_footprints )
{
FOOTPRINT_LIST* fp_list = FOOTPRINT_LIST::GetInstance( m_frame->Kiway() );
sizer->Add( m_symbol_preview, 11, wxEXPAND | wxALL, 5 );
if ( fp_list )
{
if( m_allow_field_edits )
m_fp_sel_ctrl = new FOOTPRINT_SELECT_WIDGET( m_frame, panel, fp_list, true );
m_fp_preview = new FOOTPRINT_PREVIEW_WIDGET( panel, m_frame->Kiway() );
m_fp_preview->SetUserUnits( m_frame->GetUserUnits() );
}
if( m_fp_sel_ctrl )
sizer->Add( m_fp_sel_ctrl, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 5 );
if( m_fp_preview )
sizer->Add( m_fp_preview, 10, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 5 );
}
else
{
sizer->Add( m_symbol_preview, 1, wxEXPAND | wxALL, 5 );
}
panel->SetSizer( sizer );
panel->Layout();
sizer->Fit( panel );
return panel;
}
void PANEL_SYMBOL_CHOOSER::FinishSetup()
{
if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
{
auto horizPixelsFromDU =
[&]( int x ) -> int
{
wxSize sz( x, 0 );
return GetParent()->ConvertDialogToPixels( sz ).x;
};
EESCHEMA_SETTINGS::PANEL_SYM_CHOOSER& panelCfg = cfg->m_SymChooserPanel;
int w = panelCfg.width > 40 ? panelCfg.width : horizPixelsFromDU( 440 );
int h = panelCfg.height > 40 ? panelCfg.height : horizPixelsFromDU( 340 );
GetParent()->SetSize( wxSize( w, h ) );
GetParent()->Layout();
// We specify the width of the right window (m_symbol_view_panel), because specify
// the width of the left window does not work as expected when SetSashGravity() is called
if( panelCfg.sash_pos_h < 0 )
panelCfg.sash_pos_h = horizPixelsFromDU( 220 );
if( panelCfg.sash_pos_v < 0 )
panelCfg.sash_pos_v = horizPixelsFromDU( 230 );
m_hsplitter->SetSashPosition( panelCfg.sash_pos_h );
if( m_vsplitter )
m_vsplitter->SetSashPosition( panelCfg.sash_pos_v );
m_adapter->SetSortMode( (LIB_TREE_MODEL_ADAPTER::SORT_MODE) panelCfg.sort_mode );
}
if( m_fp_preview && m_fp_preview->IsInitialized() )
{
// This hides the GAL panel and shows the status label
m_fp_preview->SetStatusText( wxEmptyString );
}
if( m_fp_sel_ctrl )
m_fp_sel_ctrl->Load( m_frame->Kiway(), m_frame->Prj() );
}
void PANEL_SYMBOL_CHOOSER::OnDetailsCharHook( wxKeyEvent& e )
{
if( m_details && e.GetKeyCode() == 'C' && e.ControlDown() &&
!e.AltDown() && !e.ShiftDown() && !e.MetaDown() )
{
wxString txt = m_details->SelectionToText();
wxLogNull doNotLog; // disable logging of failed clipboard actions
if( wxTheClipboard->Open() )
{
wxTheClipboard->SetData( new wxTextDataObject( txt ) );
wxTheClipboard->Flush(); // Allow data to be available after closing KiCad
wxTheClipboard->Close();
}
}
else
{
e.Skip();
}
}
void PANEL_SYMBOL_CHOOSER::SetPreselect( const LIB_ID& aPreselect )
{
m_adapter->SetPreselectNode( aPreselect, 0 );
}
LIB_ID PANEL_SYMBOL_CHOOSER::GetSelectedLibId( int* aUnit ) const
{
return m_tree->GetSelectedLibId( aUnit );
}
void PANEL_SYMBOL_CHOOSER::onCloseTimer( wxTimerEvent& aEvent )
{
// Hack because of eaten MouseUp event. See PANEL_SYMBOL_CHOOSER::onSymbolChosen
// for the beginning of this spaghetti noodle.
wxMouseState state = wxGetMouseState();
if( state.LeftIsDown() )
{
// Mouse hasn't been raised yet, so fire the timer again. Otherwise the
// purpose of this timer is defeated.
m_dbl_click_timer->StartOnce( PANEL_SYMBOL_CHOOSER::DBLCLICK_DELAY );
}
else
{
m_acceptHandler();
}
}
void PANEL_SYMBOL_CHOOSER::onOpenLibsTimer( wxTimerEvent& aEvent )
{
if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
m_adapter->OpenLibs( cfg->m_LibTree.open_libs );
}
void PANEL_SYMBOL_CHOOSER::showFootprintFor( LIB_ID const& aLibId )
{
if( !m_fp_preview || !m_fp_preview->IsInitialized() )
return;
LIB_SYMBOL* symbol = nullptr;
try
{
symbol = PROJECT_SCH::SchSymbolLibTable( &m_frame->Prj() )->LoadSymbol( aLibId );
}
catch( const IO_ERROR& ioe )
{
wxLogError( _( "Error loading symbol %s from library '%s'." ) + wxS( "\n%s" ),
aLibId.GetLibItemName().wx_str(),
aLibId.GetLibNickname().wx_str(),
ioe.What() );
}
if( !symbol )
return;
LIB_FIELD* fp_field = symbol->GetFieldById( FOOTPRINT_FIELD );
wxString fp_name = fp_field ? fp_field->GetFullText() : wxString( "" );
showFootprint( fp_name );
}
void PANEL_SYMBOL_CHOOSER::showFootprint( wxString const& aFootprint )
{
if( !m_fp_preview || !m_fp_preview->IsInitialized() )
return;
if( aFootprint == wxEmptyString )
{
m_fp_preview->SetStatusText( _( "No footprint specified" ) );
}
else
{
LIB_ID lib_id;
if( lib_id.Parse( aFootprint ) == -1 && lib_id.IsValid() )
{
m_fp_preview->ClearStatus();
m_fp_preview->DisplayFootprint( lib_id );
}
else
{
m_fp_preview->SetStatusText( _( "Invalid footprint specified" ) );
}
}
}
void PANEL_SYMBOL_CHOOSER::populateFootprintSelector( LIB_ID const& aLibId )
{
if( !m_fp_sel_ctrl )
return;
m_fp_sel_ctrl->ClearFilters();
LIB_SYMBOL* symbol = nullptr;
if( aLibId.IsValid() )
{
try
{
symbol = PROJECT_SCH::SchSymbolLibTable( &m_frame->Prj() )->LoadSymbol( aLibId );
}
catch( const IO_ERROR& ioe )
{
wxLogError( _( "Error loading symbol %s from library '%s'." ) + wxS( "\n%s" ),
aLibId.GetLibItemName().wx_str(),
aLibId.GetLibNickname().wx_str(),
ioe.What() );
}
}
if( symbol != nullptr )
{
LIB_PINS temp_pins;
LIB_FIELD* fp_field = symbol->GetFieldById( FOOTPRINT_FIELD );
wxString fp_name = fp_field ? fp_field->GetFullText() : wxString( "" );
// All units, but only a single De Morgan variant.
if( symbol->HasAlternateBodyStyle() )
symbol->GetPins( temp_pins, 0, 1 );
else
symbol->GetPins( temp_pins );
m_fp_sel_ctrl->FilterByPinCount( temp_pins.size() );
m_fp_sel_ctrl->FilterByFootprintFilters( symbol->GetFPFilters(), true );
m_fp_sel_ctrl->SetDefaultFootprint( fp_name );
m_fp_sel_ctrl->UpdateList();
m_fp_sel_ctrl->Enable();
}
else
{
m_fp_sel_ctrl->UpdateList();
m_fp_sel_ctrl->Disable();
}
}
void PANEL_SYMBOL_CHOOSER::onFootprintSelected( wxCommandEvent& aEvent )
{
m_fp_override = aEvent.GetString();
alg::delete_if( m_field_edits, []( std::pair<int, wxString> const& i )
{
return i.first == FOOTPRINT_FIELD;
} );
m_field_edits.emplace_back( std::make_pair( FOOTPRINT_FIELD, m_fp_override ) );
showFootprint( m_fp_override );
}
void PANEL_SYMBOL_CHOOSER::onSymbolSelected( wxCommandEvent& aEvent )
{
LIB_TREE_NODE* node = m_tree->GetCurrentTreeNode();
if( node && node->m_LibId.IsValid() )
{
m_symbol_preview->DisplaySymbol( node->m_LibId, node->m_Unit );
if( !node->m_Footprint.IsEmpty() )
showFootprint( node->m_Footprint );
else
showFootprintFor( node->m_LibId );
populateFootprintSelector( node->m_LibId );
}
else
{
m_symbol_preview->SetStatusText( _( "No symbol selected" ) );
if( m_fp_preview && m_fp_preview->IsInitialized() )
m_fp_preview->SetStatusText( wxEmptyString );
populateFootprintSelector( LIB_ID() );
}
}
void PANEL_SYMBOL_CHOOSER::onSymbolChosen( wxCommandEvent& aEvent )
{
if( m_tree->GetSelectedLibId().IsValid() )
{
// Got a selection. We can't just end the modal dialog here, because wx leaks some events
// back to the parent window (in particular, the MouseUp following a double click).
//
// NOW, here's where it gets really fun. wxTreeListCtrl eats MouseUp. This isn't really
// feasible to bypass without a fully custom wxDataViewCtrl implementation, and even then
// might not be fully possible (docs are vague). To get around this, we use a one-shot
// timer to schedule the dialog close.
//
// See PANEL_SYMBOL_CHOOSER::onCloseTimer for the other end of this spaghetti noodle.
m_dbl_click_timer->StartOnce( PANEL_SYMBOL_CHOOSER::DBLCLICK_DELAY );
}
}