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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) 2016-2017 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 <draw_frame.h>
#include <dialog_shim.h>
/**
* Minimum width of the hotkey column
*/
static const int HOTKEY_MIN_WIDTH = 100;
/**
* Menu IDs for the hotkey context menu
*/
enum ID_WHKL_MENU_IDS
{
ID_EDIT = 2001,
ID_RESET,
ID_DEFAULT,
ID_RESET_ALL,
ID_DEFAULT_ALL,
};
/**
* Class WIDGET_HOTKEY_CLIENT_DATA
* Stores the hotkey and section tag associated with each row. To change a
* hotkey, edit it in the row's client data, then call WIDGET_HOTKEY_LIST::UpdateFromClientData().
*/
class WIDGET_HOTKEY_CLIENT_DATA : public wxClientData
{
EDA_HOTKEY m_hotkey;
wxString m_section_tag;
public:
WIDGET_HOTKEY_CLIENT_DATA( const EDA_HOTKEY& aHotkey, const wxString& aSectionTag )
: m_hotkey( aHotkey ), m_section_tag( aSectionTag )
{}
EDA_HOTKEY& GetHotkey() { return m_hotkey; }
const wxString& GetSectionTag() const { return m_section_tag; }
};
/**
* Class 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( size_t i = 0; i < sizeof( skipped_keys ) / sizeof( skipped_keys[0] ); ++i )
{
if( key == skipped_keys[i] )
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
{
wxKeyEvent dummy;
return dummy;
}
}
};
WIDGET_HOTKEY_CLIENT_DATA* WIDGET_HOTKEY_LIST::GetHKClientData( wxTreeListItem aItem )
{
if( aItem.IsOk() )
{
wxClientData* data = GetItemData( aItem );
if( !data )
{
return NULL;
}
else
{
return static_cast<WIDGET_HOTKEY_CLIENT_DATA*>( data );
}
}
else
{
return NULL;
}
}
WIDGET_HOTKEY_CLIENT_DATA* WIDGET_HOTKEY_LIST::GetSelHKClientData()
{
return GetHKClientData( GetSelection() );
}
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 )
{
EDA_HOTKEY& hk = hkdata->GetHotkey();
SetItemText( i, 0, wxGetTranslation( hk.m_InfoMsg ) );
SetItemText( i, 1, KeyNameFromKeyCode( hk.m_KeyCode ) );
}
}
}
void WIDGET_HOTKEY_LIST::LoadSection( EDA_HOTKEY_CONFIG* aSection )
{
HOTKEY_LIST list;
for( EDA_HOTKEY** info_ptr = aSection->m_HK_InfoList; *info_ptr; ++info_ptr )
{
list.push_back( **info_ptr );
}
m_hotkeys.push_back( list );
}
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 )
{
// See if this key code is handled in hotkeys names list
bool exists;
KeyNameFromKeyCode( key, &exists );
if( exists && hkdata->GetHotkey().m_KeyCode != key )
{
wxString tag = hkdata->GetSectionTag();
bool canUpdate = ResolveKeyConflicts( key, tag );
if( canUpdate )
{
hkdata->GetHotkey().m_KeyCode = key;
}
}
UpdateFromClientData();
// Trigger a resize in case column widths have changed
wxSizeEvent dummy_evt;
TWO_COLUMN_TREE_LIST::OnSize( dummy_evt );
}
}
void WIDGET_HOTKEY_LIST::ResetItem( wxTreeListItem aItem )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = getExpectedHkClientData( aItem );
if( !hkdata )
return;
EDA_HOTKEY* hk = &hkdata->GetHotkey();
for( size_t sec_index = 0; sec_index < m_sections.size(); ++sec_index )
{
wxString& section_tag = *( m_sections[sec_index].m_section->m_SectionTag );
if( section_tag != hkdata->GetSectionTag() )
continue;
HOTKEY_LIST& each_list = m_hotkeys[sec_index];
HOTKEY_LIST::iterator hk_it;
for( hk_it = each_list.begin(); hk_it != each_list.end(); ++hk_it )
{
if( hk_it->m_Idcommand == hk->m_Idcommand )
{
hk->m_KeyCode = hk_it->m_KeyCode;
break;
}
}
}
UpdateFromClientData();
}
void WIDGET_HOTKEY_LIST::ResetItemToDefault( wxTreeListItem aItem )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = getExpectedHkClientData( aItem );
if( !hkdata )
return;
EDA_HOTKEY* hk = &hkdata->GetHotkey();
hk->ResetKeyCodeToDefault();
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, _( "Edit..." ) );
menu.Append( ID_RESET, _( "Undo Changes" ) );
menu.Append( ID_DEFAULT, _( "Restore Default" ) );
menu.Append( wxID_SEPARATOR );
}
menu.Append( ID_RESET_ALL, _( "Undo All Changes" ) );
menu.Append( ID_DEFAULT_ALL, _( "Restore All to Default" ) );
PopupMenu( &menu );
}
void WIDGET_HOTKEY_LIST::OnMenu( wxCommandEvent& aEvent )
{
switch( aEvent.GetId() )
{
case ID_EDIT:
EditItem( m_context_menu_item );
break;
case ID_RESET:
ResetItem( m_context_menu_item );
break;
case ID_DEFAULT:
ResetItemToDefault( m_context_menu_item );
break;
case ID_RESET_ALL:
TransferDataToControl();
break;
case ID_DEFAULT_ALL:
TransferDefaultsToControl();
break;
default:
wxFAIL_MSG( wxT( "Unknown ID in context menu event" ) );
}
}
bool WIDGET_HOTKEY_LIST::CheckKeyConflicts( long aKey, const wxString& aSectionTag,
EDA_HOTKEY** aConfKey, EDA_HOTKEY_CONFIG** aConfSect )
{
EDA_HOTKEY* conflicting_key = NULL;
struct EDA_HOTKEY_CONFIG* conflicting_section = NULL;
for( wxTreeListItem item = GetFirstItem(); item.IsOk(); item = GetNextItem( item ) )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = GetHKClientData( item );
if( !hkdata )
continue;
EDA_HOTKEY& hk = hkdata->GetHotkey();
wxString tag = hkdata->GetSectionTag();
if( aSectionTag != g_CommonSectionTag
&& tag != g_CommonSectionTag
&& tag != aSectionTag )
{
// This key and its conflict candidate are in orthogonal sections, so skip.
continue;
}
if( aKey == hk.m_KeyCode )
{
conflicting_key = &hk;
// Find the section
HOTKEY_SECTIONS::iterator it;
for( it = m_sections.begin(); it != m_sections.end(); ++it )
{
if( *it->m_section->m_SectionTag == tag )
{
conflicting_section = it->m_section;
break;
}
}
}
}
// Write the outparams
if( aConfKey )
*aConfKey = conflicting_key;
if( aConfSect )
*aConfSect = conflicting_section;
return conflicting_key == NULL;
}
bool WIDGET_HOTKEY_LIST::ResolveKeyConflicts( long aKey, const wxString& aSectionTag )
{
EDA_HOTKEY* conflicting_key = NULL;
EDA_HOTKEY_CONFIG* conflicting_section = NULL;
CheckKeyConflicts( aKey, aSectionTag, &conflicting_key, &conflicting_section );
if( conflicting_key != NULL )
{
wxString info = wxGetTranslation( conflicting_key->m_InfoMsg );
wxString msg = wxString::Format(
_( "\"%s\" is already assigned to \"%s\" in section \"%s\". Are you sure you want "
"to change its assignment?" ),
KeyNameFromKeyCode( aKey ), GetChars( info ),
*(conflicting_section->m_Title) );
wxMessageDialog dlg( GetParent(), msg, _( "Confirm change" ), wxYES_NO | wxNO_DEFAULT );
if( dlg.ShowModal() == wxID_YES )
{
conflicting_key->m_KeyCode = 0;
UpdateFromClientData();
return true;
}
else
{
return false;
}
}
else
{
return true;
}
}
WIDGET_HOTKEY_LIST::WIDGET_HOTKEY_LIST( wxWindow* aParent, const HOTKEY_SECTIONS& aSections )
: TWO_COLUMN_TREE_LIST( aParent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTL_SINGLE ),
m_sections( aSections )
{
AppendColumn( _( "Command" ) );
AppendColumn( _( "Hotkey" ) );
SetRubberBandColumn( 0 );
SetClampedMinWidth( HOTKEY_MIN_WIDTH );
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 );
}
HOTKEY_SECTIONS WIDGET_HOTKEY_LIST::GenSections( EDA_HOTKEY_CONFIG* aHotkeys )
{
HOTKEY_SECTIONS sections;
for( EDA_HOTKEY_CONFIG* section = aHotkeys; section->m_HK_InfoList; ++section )
{
HOTKEY_SECTION sec;
sec.m_name = wxGetTranslation( *section->m_Title );
sec.m_section = section;
sections.push_back( sec );
}
return sections;
}
void WIDGET_HOTKEY_LIST::InstallOnPanel( wxPanel* aPanel )
{
wxBoxSizer* sizer = new wxBoxSizer( wxVERTICAL );
sizer->Add( this, 1, wxALL | wxEXPAND, 0 );
aPanel->SetSizer( sizer );
}
bool WIDGET_HOTKEY_LIST::TransferDefaultsToControl()
{
Freeze();
for( wxTreeListItem item = GetFirstItem(); item.IsOk(); item = GetNextItem( item ) )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = GetHKClientData( item );
if( hkdata == NULL)
continue;
hkdata->GetHotkey().ResetKeyCodeToDefault();
}
UpdateFromClientData();
Thaw();
return true;
}
bool WIDGET_HOTKEY_LIST::TransferDataToControl()
{
Freeze();
DeleteAllItems();
m_hotkeys.clear();
for( size_t sec_index = 0; sec_index < m_sections.size(); ++sec_index )
{
// LoadSection pushes into m_hotkeys
LoadSection( m_sections[sec_index].m_section );
wxASSERT( m_hotkeys.size() == sec_index + 1 );
wxString section_tag = *( m_sections[sec_index].m_section->m_SectionTag );
// Create parent tree item
wxTreeListItem parent = AppendItem( GetRootItem(), m_sections[sec_index].m_name );
HOTKEY_LIST& each_list = m_hotkeys[sec_index];
HOTKEY_LIST::iterator hk_it;
for( hk_it = each_list.begin(); hk_it != each_list.end(); ++hk_it )
{
wxTreeListItem item = AppendItem( parent, wxEmptyString );
SetItemData( item, new WIDGET_HOTKEY_CLIENT_DATA( &*hk_it, section_tag ) );
}
Expand( parent );
}
UpdateFromClientData();
Thaw();
return true;
}
bool WIDGET_HOTKEY_LIST::TransferDataFromControl()
{
for( size_t sec_index = 0; sec_index < m_sections.size(); ++sec_index )
{
EDA_HOTKEY_CONFIG* section = m_sections[sec_index].m_section;
for( EDA_HOTKEY** info_ptr = section->m_HK_InfoList; *info_ptr; ++info_ptr )
{
EDA_HOTKEY* info = *info_ptr;
for( wxTreeListItem item = GetFirstItem(); item.IsOk(); item = GetNextItem( item ) )
{
WIDGET_HOTKEY_CLIENT_DATA* hkdata = GetHKClientData( item );
if( !hkdata )
continue;
EDA_HOTKEY& hk = hkdata->GetHotkey();
if( hk.m_Idcommand == info->m_Idcommand )
{
info->m_KeyCode = hk.m_KeyCode;
break;
}
}
}
}
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 |= GR_KB_SHIFT;
if( aEvent.ControlDown() )
key |= GR_KB_CTRL;
if( aEvent.AltDown() )
key |= GR_KB_ALT;
return key;
}
}
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