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kicad/common/widgets/widget_hotkey_list.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 Chris Pavlina <pavlina.chris@gmail.com>
* Copyright (C) 2016-2019 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 3
* 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 <cctype>
#include <widgets/widget_hotkey_list.h>
#include <wx/statline.h>
#include <wx/treelist.h>
#include <wx/msgdlg.h>
#include <wx/menu.h>
#include <tool/tool_action.h>
#include <dialog_shim.h>
/**
* Menu IDs for the hotkey context menu
*/
enum ID_WHKL_MENU_IDS
{
ID_EDIT_HOTKEY = 2001,
ID_RESET,
ID_DEFAULT,
ID_CLEAR
};
/**
* WIDGET_HOTKEY_CLIENT_DATA
* Stores the hotkey change data associated with each row. To change a
* hotkey, edit it via GetCurrentValue() in the row's client data, then call
* WIDGET_HOTKEY_LIST::UpdateFromClientData().
*/
class WIDGET_HOTKEY_CLIENT_DATA : public wxClientData
{
HOTKEY& m_changed_hotkey;
public:
WIDGET_HOTKEY_CLIENT_DATA( HOTKEY& aChangedHotkey )
: m_changed_hotkey( aChangedHotkey )
{}
HOTKEY& GetChangedHotkey() { return m_changed_hotkey; }
};
/**
* HK_PROMPT_DIALOG
* Dialog to prompt the user to enter a key.
*/
class HK_PROMPT_DIALOG : public DIALOG_SHIM
{
wxKeyEvent m_event;
public:
HK_PROMPT_DIALOG( wxWindow* aParent, wxWindowID aId, const wxString& aTitle,
const wxString& aName, const wxString& aCurrentKey )
: DIALOG_SHIM( aParent, aId, aTitle, wxDefaultPosition, wxDefaultSize )
{
wxPanel* panel = new wxPanel( this, wxID_ANY, wxDefaultPosition, wxDefaultSize );
wxBoxSizer* sizer = new wxBoxSizer( wxVERTICAL );
/* Dialog layout:
*
* inst_label........................
* ----------------------------------
*
* cmd_label_0 cmd_label_1 \
* | fgsizer
* key_label_0 key_label_1 /
*/
wxStaticText* inst_label = new wxStaticText( panel, wxID_ANY, wxEmptyString,
wxDefaultPosition, wxDefaultSize, wxALIGN_CENTRE_HORIZONTAL );
inst_label->SetLabelText( _( "Press a new hotkey, or press Esc to cancel..." ) );
sizer->Add( inst_label, 0, wxALL, 5 );
sizer->Add( new wxStaticLine( panel ), 0, wxALL | wxEXPAND, 2 );
wxFlexGridSizer* fgsizer = new wxFlexGridSizer( 2 );
wxStaticText* cmd_label_0 = new wxStaticText( panel, wxID_ANY, _( "Command:" ) );
fgsizer->Add( cmd_label_0, 0, wxALL | wxALIGN_CENTRE_VERTICAL, 5 );
wxStaticText* cmd_label_1 = new wxStaticText( panel, wxID_ANY, wxEmptyString );
cmd_label_1->SetFont( cmd_label_1->GetFont().Bold() );
cmd_label_1->SetLabel( aName );
fgsizer->Add( cmd_label_1, 0, wxALL | wxALIGN_CENTRE_VERTICAL, 5 );
wxStaticText* key_label_0 = new wxStaticText( panel, wxID_ANY, _( "Current key:" ) );
fgsizer->Add( key_label_0, 0, wxALL | wxALIGN_CENTRE_VERTICAL, 5 );
wxStaticText* key_label_1 = new wxStaticText( panel, wxID_ANY, wxEmptyString );
key_label_1->SetFont( key_label_1->GetFont().Bold() );
key_label_1->SetLabel( aCurrentKey );
fgsizer->Add( key_label_1, 0, wxALL | wxALIGN_CENTRE_VERTICAL, 5 );
sizer->Add( fgsizer, 1, wxEXPAND );
// Wrap the sizer in a second to give a larger border around the whole dialog
wxBoxSizer* outer_sizer = new wxBoxSizer( wxVERTICAL );
outer_sizer->Add( sizer, 0, wxALL | wxEXPAND, 10 );
panel->SetSizer( outer_sizer );
Layout();
outer_sizer->Fit( this );
Center();
SetMinClientSize( GetClientSize() );
// Binding both EVT_CHAR and EVT_CHAR_HOOK ensures that all key events,
// including specials like Tab and Return, are received, particularly
// on MSW.
panel->Bind( wxEVT_CHAR, &HK_PROMPT_DIALOG::OnChar, this );
panel->Bind( wxEVT_CHAR_HOOK, &HK_PROMPT_DIALOG::OnCharHook, this );
}
void OnCharHook( wxKeyEvent& aEvent )
{
// On certain platforms, EVT_CHAR_HOOK is the only handler that receives
// certain "special" keys. However, it doesn't always receive "normal"
// keys correctly. For example, with a US keyboard, it sees ? as shift+/.
//
// Untangling these incorrect keys would be too much trouble, so we bind
// both events, and simply skip the EVT_CHAR_HOOK if it receives a
// "normal" key.
const enum wxKeyCode skipped_keys[] =
{
WXK_NONE, WXK_SHIFT, WXK_ALT, WXK_CONTROL, WXK_CAPITAL,
WXK_NUMLOCK, WXK_SCROLL, WXK_RAW_CONTROL
};
int key = aEvent.GetKeyCode();
for( wxKeyCode skipped_key : skipped_keys )
{
if( key == skipped_key )
return;
}
if( key <= 255 && isprint( key ) && !isspace( key ) )
{
// Let EVT_CHAR handle this one
aEvent.DoAllowNextEvent();
// On Windows, wxEvent::Skip must NOT be called.
// On Linux and OSX, wxEvent::Skip MUST be called.
// No, I don't know why.
#ifndef __WXMSW__
aEvent.Skip();
#endif
}
else
{
OnChar( aEvent );
}
}
void OnChar( wxKeyEvent& aEvent )
{
m_event = aEvent;
EndFlexible( wxID_OK );
}
/**
* End the dialog whether modal or quasimodal
*/
void EndFlexible( int aRtnCode )
{
if( IsQuasiModal() )
EndQuasiModal( aRtnCode );
else
EndModal( aRtnCode );
}
static wxKeyEvent PromptForKey( wxWindow* aParent, const wxString& aName,
const wxString& aCurrentKey )
{
HK_PROMPT_DIALOG dialog( aParent, wxID_ANY, _( "Set Hotkey" ), aName, aCurrentKey );
if( dialog.ShowModal() == wxID_OK )
return dialog.m_event;
else
return wxKeyEvent();
}
};
/**
* HOTKEY_FILTER
*
* Class to manage logic for filtering hotkeys based on user input
*/
class HOTKEY_FILTER
{
public:
HOTKEY_FILTER( const wxString& aFilterStr )
{
m_normalised_filter_str = aFilterStr.Upper();
m_valid = m_normalised_filter_str.size() > 0;
}
/**
* Method FilterMatches
*
* Checks if the filter matches the given hotkey
*
* @return true on match (or if filter is disabled)
*/
bool FilterMatches( const HOTKEY& aHotkey ) const
{
if( !m_valid )
return true;
// Match in the (translated) filter string
const auto normedInfo = wxGetTranslation( aHotkey.m_Actions[ 0 ]->GetLabel() ).Upper();
if( normedInfo.Contains( m_normalised_filter_str ) )
return true;
const wxString keyName = KeyNameFromKeyCode( aHotkey.m_EditKeycode );
if( keyName.Upper().Contains( m_normalised_filter_str ) )
return true;
return false;
}
private:
bool m_valid;
wxString m_normalised_filter_str;
};
WIDGET_HOTKEY_CLIENT_DATA* WIDGET_HOTKEY_LIST::GetHKClientData( wxTreeListItem aItem )
{
if( aItem.IsOk() )
{
wxClientData* data = GetItemData( aItem );
if( data )
return static_cast<WIDGET_HOTKEY_CLIENT_DATA*>( data );
}
return nullptr;
}
WIDGET_HOTKEY_CLIENT_DATA* WIDGET_HOTKEY_LIST::getExpectedHkClientData( wxTreeListItem aItem )
{
const auto hkdata = GetHKClientData( aItem );
// This probably means a hotkey-only action is being attempted on
// a row that is not a hotkey (like a section heading)
wxASSERT_MSG( hkdata != nullptr, "No hotkey data found for list item" );
return hkdata;
}
void WIDGET_HOTKEY_LIST::UpdateFromClientData()
{
for( wxTreeListItem i = GetFirstItem(); i.IsOk(); i = GetNextItem( i ) )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = GetHKClientData( i );
if( hkdata )
{
const HOTKEY& changed_hk = hkdata->GetChangedHotkey();
wxString label = changed_hk.m_Actions[ 0 ]->GetLabel();
wxString key_text = KeyNameFromKeyCode( changed_hk.m_EditKeycode );
wxString description = changed_hk.m_Actions[ 0 ]->GetDescription( false );
if( label.IsEmpty() )
label = changed_hk.m_Actions[ 0 ]->GetName();
// mark unsaved changes
if( changed_hk.m_EditKeycode != changed_hk.m_Actions[ 0 ]->GetHotKey() )
label += " *";
SetItemText( i, 0, label );
SetItemText( i, 1, key_text);
SetItemText( i, 2, description );
}
}
}
void WIDGET_HOTKEY_LIST::changeHotkey( HOTKEY& aHotkey, long aKey )
{
// See if this key code is handled in hotkeys names list
bool exists;
KeyNameFromKeyCode( aKey, &exists );
if( exists && aHotkey.m_EditKeycode != aKey )
{
if( aKey == 0 || ResolveKeyConflicts( aHotkey.m_Actions[ 0 ], aKey ) )
aHotkey.m_EditKeycode = aKey;
}
}
void WIDGET_HOTKEY_LIST::EditItem( wxTreeListItem aItem )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = getExpectedHkClientData( aItem );
if( !hkdata )
return;
wxString name = GetItemText( aItem, 0 );
wxString current_key = GetItemText( aItem, 1 );
wxKeyEvent key_event = HK_PROMPT_DIALOG::PromptForKey( GetParent(), name, current_key );
long key = MapKeypressToKeycode( key_event );
if( key )
{
changeHotkey( hkdata->GetChangedHotkey(), key );
UpdateFromClientData();
}
}
void WIDGET_HOTKEY_LIST::ResetItem( wxTreeListItem aItem, int aResetId )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = getExpectedHkClientData( aItem );
if( !hkdata )
return;
HOTKEY& changed_hk = hkdata->GetChangedHotkey();
if( aResetId == ID_RESET )
changeHotkey( changed_hk, changed_hk.m_Actions[ 0 ]->GetHotKey() );
else if( aResetId == ID_CLEAR )
changeHotkey( changed_hk, 0 );
else if( aResetId == ID_DEFAULT )
changeHotkey( changed_hk, changed_hk.m_Actions[ 0 ]->GetDefaultHotKey() );
UpdateFromClientData();
}
void WIDGET_HOTKEY_LIST::OnActivated( wxTreeListEvent& aEvent )
{
EditItem( aEvent.GetItem() );
}
void WIDGET_HOTKEY_LIST::OnContextMenu( wxTreeListEvent& aEvent )
{
// Save the active event for use in OnMenu
m_context_menu_item = aEvent.GetItem();
wxMenu menu;
WIDGET_HOTKEY_CLIENT_DATA* hkdata = GetHKClientData( m_context_menu_item );
// Some actions only apply if the row is hotkey data
if( hkdata )
{
menu.Append( ID_EDIT_HOTKEY, _( "Edit..." ) );
menu.Append( ID_RESET, _( "Undo Changes" ) );
menu.Append( ID_CLEAR, _( "Clear Assigned Hotkey" ) );
menu.Append( ID_DEFAULT, _( "Restore Default" ) );
menu.Append( wxID_SEPARATOR );
PopupMenu( &menu );
}
}
void WIDGET_HOTKEY_LIST::OnMenu( wxCommandEvent& aEvent )
{
switch( aEvent.GetId() )
{
case ID_EDIT_HOTKEY:
EditItem( m_context_menu_item );
break;
case ID_RESET:
case ID_CLEAR:
case ID_DEFAULT:
ResetItem( m_context_menu_item, aEvent.GetId() );
break;
default:
wxFAIL_MSG( wxT( "Unknown ID in context menu event" ) );
}
}
bool WIDGET_HOTKEY_LIST::ResolveKeyConflicts( TOOL_ACTION* aAction, long aKey )
{
HOTKEY* conflictingHotKey = nullptr;
m_hk_store.CheckKeyConflicts( aAction, aKey, &conflictingHotKey );
if( !conflictingHotKey )
return true;
TOOL_ACTION* conflictingAction = conflictingHotKey->m_Actions[ 0 ];
wxString msg = wxString::Format( _( "\"%s\" is already assigned to \"%s\" in section \"%s\". "
"Are you sure you want to change its assignment?" ),
KeyNameFromKeyCode( aKey ),
conflictingAction->GetLabel(),
HOTKEY_STORE::GetSectionName( conflictingAction ) );
wxMessageDialog dlg( GetParent(), msg, _( "Confirm change" ), wxYES_NO | wxNO_DEFAULT );
if( dlg.ShowModal() == wxID_YES )
{
// Reset the other hotkey
conflictingHotKey->m_EditKeycode = 0;
UpdateFromClientData();
return true;
}
return false;
}
WIDGET_HOTKEY_LIST::WIDGET_HOTKEY_LIST( wxWindow* aParent, HOTKEY_STORE& aHotkeyStore,
bool aReadOnly )
: wxTreeListCtrl( aParent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTL_SINGLE ),
m_hk_store( aHotkeyStore ),
m_readOnly( aReadOnly )
{
wxString command_header = _( "Command" );
if( !m_readOnly )
command_header << " " << _( "(double-click to edit)" );
AppendColumn( command_header, 320, wxALIGN_LEFT, wxCOL_RESIZABLE | wxCOL_SORTABLE );
AppendColumn( _( "Hotkey" ), 110, wxALIGN_LEFT, wxCOL_RESIZABLE | wxCOL_SORTABLE );
AppendColumn( _( "Description" ), 1000, wxALIGN_LEFT, wxCOL_RESIZABLE | wxCOL_SORTABLE );
GetDataView()->SetIndent( 10 );
if( !m_readOnly )
{
// The event only apply if the widget is in editable mode
Bind( wxEVT_TREELIST_ITEM_ACTIVATED, &WIDGET_HOTKEY_LIST::OnActivated, this );
Bind( wxEVT_TREELIST_ITEM_CONTEXT_MENU, &WIDGET_HOTKEY_LIST::OnContextMenu, this );
Bind( wxEVT_MENU, &WIDGET_HOTKEY_LIST::OnMenu, this );
}
}
void WIDGET_HOTKEY_LIST::ApplyFilterString( const wxString& aFilterStr )
{
updateShownItems( aFilterStr );
}
void WIDGET_HOTKEY_LIST::ResetAllHotkeys( bool aResetToDefault )
{
Freeze();
// Reset all the hotkeys, not just the ones shown
// Should not need to check conflicts, as the state we're about
// to set to a should be consistent
if( aResetToDefault )
m_hk_store.ResetAllHotkeysToDefault();
else
m_hk_store.ResetAllHotkeysToOriginal();
UpdateFromClientData();
Thaw();
}
bool WIDGET_HOTKEY_LIST::TransferDataToControl()
{
updateShownItems( "" );
return true;
}
void WIDGET_HOTKEY_LIST::updateShownItems( const wxString& aFilterStr )
{
Freeze();
DeleteAllItems();
HOTKEY_FILTER filter( aFilterStr );
for( HOTKEY_SECTION& section: m_hk_store.GetSections() )
{
// Create parent tree item
wxTreeListItem parent = AppendItem( GetRootItem(), section.m_SectionName );
for( HOTKEY& hotkey: section.m_HotKeys )
{
if( filter.FilterMatches( hotkey ) )
{
wxTreeListItem item = AppendItem( parent, wxEmptyString );
SetItemData( item, new WIDGET_HOTKEY_CLIENT_DATA( hotkey ) );
}
}
Expand( parent );
}
UpdateFromClientData();
Thaw();
}
bool WIDGET_HOTKEY_LIST::TransferDataFromControl()
{
m_hk_store.SaveAllHotkeys();
return true;
}
long WIDGET_HOTKEY_LIST::MapKeypressToKeycode( const wxKeyEvent& aEvent )
{
long key = aEvent.GetKeyCode();
if( key == WXK_ESCAPE )
{
return 0;
}
else
{
if( key >= 'a' && key <= 'z' ) // convert to uppercase
key = key + ('A' - 'a');
// Remap Ctrl A (=1+GR_KB_CTRL) to Ctrl Z(=26+GR_KB_CTRL)
// to GR_KB_CTRL+'A' .. GR_KB_CTRL+'Z'
if( aEvent.ControlDown() && key >= WXK_CONTROL_A && key <= WXK_CONTROL_Z )
key += 'A' - 1;
/* Disallow shift for keys that have two keycodes on them (e.g. number and
* punctuation keys) leaving only the "letter keys" of A-Z.
* Then, you can have, e.g. Ctrl-5 and Ctrl-% (GB layout)
* and Ctrl-( and Ctrl-5 (FR layout).
* Otherwise, you'd have to have to say Ctrl-Shift-5 on a FR layout
*/
bool keyIsLetter = key >= 'A' && key <= 'Z';
if( aEvent.ShiftDown() && ( keyIsLetter || key > 256 ) )
key |= MD_SHIFT;
if( aEvent.ControlDown() )
key |= MD_CTRL;
if( aEvent.AltDown() )
key |= MD_ALT;
return key;
}
}
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