void CUIEditBox::PasteFromClipboard()
{
DeleteSelectionText();
if(OpenClipboard(NULL))
{
HANDLE handle = GetClipboardData(CF_UNICODETEXT);
if(handle)
{
// Convert the ANSI string to Unicode, then
// insert to our buffer.
WCHAR *pwszText = (WCHAR*)GlobalLock(handle);
if(pwszText)
{
// Copy all characters up to null.
if (m_bPassword)
{
m_wstrPassword.insert(m_nCaret, pwszText);
std::wstring wstrPassword(wcslen(pwszText),L'*');
if(m_Buffer.InsertString(m_nCaret, wstrPassword.c_str()))
PlaceCaret(m_nCaret + lstrlenW(pwszText));
}
else
{
if(m_Buffer.InsertString(m_nCaret, pwszText))
PlaceCaret(m_nCaret + lstrlenW(pwszText));
}
m_nSelStart = m_nCaret;
GlobalUnlock(handle);
}
}
CloseClipboard();
}
}
void CGUITextBox::AddChar(TCHAR_char){
if(m_Caretx!=m_SelStartx || m_Carety!=m_SelStarty)
DeleteSelectionText();
if(_char!='\n'){
m_Text[m_Carety]=m_Text[m_Carety].substr(0, m_Caretx)+_char+m_Text[m_Carety].substr(m_Caretx);
m_MaxCaretx++;
if(m_pHSB!=NULL && m_MaxCaretx>=((int)(m_width/8)))
m_pHSB->SetMaxValue(m_pHSB->GetMaxValue()+1);
PlaceCaret(m_Caretx+1, m_Carety);
if(m_Caretx-m_Scrollx>=((int)(m_width/8))){
m_Scrollx++;
if(m_pHSB!=NULL)
m_pHSB->SetValue(m_Scrollx);
}
}else{
m_MaxCarety++;
if(m_pVSB!=NULL && m_MaxCarety>=((int)(m_height/13)))
m_pVSB->SetMaxValue(m_pVSB->GetMaxValue()+1);
m_Text.push_back("");
for(UINT a=m_MaxCarety;a>m_Carety+1;a--)
m_Text[a]=m_Text[a-1];
m_Text[m_Carety+1]=m_Text[m_Carety].substr(m_Caretx);
m_Text[m_Carety]=m_Text[m_Carety].substr(0, m_Caretx);
PlaceCaret(0, m_Carety+1);
if(m_Carety-m_Scrolly>=((int)(m_height/13))){
m_Scrolly++;
if(m_pVSB!=NULL)
m_pVSB->SetValue(m_Scrolly);
}
}
}
bool CUIEditBox::MsgProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if(!m_bEnabled || !m_bVisible)
return false;
switch(uMsg)
{
// Make sure that while editing, the keyup and keydown messages associated with
// WM_CHAR messages don't go to any non-focused controls or cameras
case WM_KEYUP:
case WM_KEYDOWN:
return true;
case WM_CHAR:
{
switch((WCHAR)wParam)
{
// Backspace
case VK_BACK:
{
if (m_bEditEnabled)
{
// If there's a selection, treat this
// like a delete key.
if(m_nCaret != m_nSelStart)
{
DeleteSelectionText();
sendEvent(EVENT_EDITBOX_CHANGE);
}
else if(m_nCaret > 0)
{
// Move the caret, then delete the char.
PlaceCaret(m_nCaret - 1);
m_nSelStart = m_nCaret;
if (m_bPassword)
{
m_wstrPassword.erase(m_nCaret,1);
}
m_Buffer.RemoveChar(m_nCaret);
sendEvent(EVENT_EDITBOX_CHANGE);
}
ResetCaretBlink();
}
break;
}
case 24: // Ctrl-X Cut
case VK_CANCEL: // Ctrl-C Copy
{
CopyToClipboard();
if (m_bEditEnabled)
{
// If the key is Ctrl-X, delete the selection too.
if((WCHAR)wParam == 24)
{
DeleteSelectionText();
sendEvent(EVENT_EDITBOX_CHANGE);
}
}
break;
}
// Ctrl-V Paste
case 22:
{
if (m_bEditEnabled)
{
PasteFromClipboard();
sendEvent(EVENT_EDITBOX_CHANGE);
}
break;
}
// Ctrl-A Select All
case 1:
if(m_nSelStart == m_nCaret)
{
m_nSelStart = 0;
PlaceCaret(m_Buffer.GetTextSize());
}
break;
case VK_RETURN:
// Invoke the callback when the user presses Enter.
sendEvent(EVENT_EDITBOX_STRING);
break;
// Junk characters we don't want in the string
case 26: // Ctrl Z
case 2: // Ctrl B
case 14: // Ctrl N
case 19: // Ctrl S
case 4: // Ctrl D
case 6: // Ctrl F
case 7: // Ctrl G
case 10: // Ctrl J
case 11: // Ctrl K
case 12: // Ctrl L
case 17: // Ctrl Q
case 23: // Ctrl W
case 5: // Ctrl E
case 18: // Ctrl R
case 20: // Ctrl T
case 25: // Ctrl Y
case 21: // Ctrl U
case 9: // Ctrl I
case 15: // Ctrl O
case 16: // Ctrl P
case 27: // Ctrl [
case 29: // Ctrl ]
case 28: // Ctrl \
break;
default:
if (m_bEditEnabled)
{
// If there's a selection and the user
// starts to type, the selection should
// be deleted.
if(m_nCaret != m_nSelStart)
DeleteSelectionText();
// If we are in overwrite mode and there is already
// a char at the caret's position, simply replace it.
// Otherwise, we insert the char as normal.
if(!m_bInsertMode && m_nCaret < m_Buffer.GetTextSize())
{
m_Buffer[m_nCaret] = (WCHAR)wParam;
PlaceCaret(m_nCaret + 1);
m_nSelStart = m_nCaret;
}
else
{
// Insert the char
if (m_bPassword)
{
m_wstrPassword.insert(m_wstrPassword.begin()+m_nCaret,(WCHAR)wParam);
if(m_Buffer.InsertChar(m_nCaret, L'*'))
{
PlaceCaret(m_nCaret + 1);
m_nSelStart = m_nCaret;
}
}
else
{
if(m_Buffer.InsertChar(m_nCaret, (WCHAR)wParam))
{
PlaceCaret(m_nCaret + 1);
m_nSelStart = m_nCaret;
}
}
}
ResetCaretBlink();
sendEvent(EVENT_EDITBOX_CHANGE);
}
}
return true;
}
}
return false;
}
bool CUIEditBox::HandleKeyboard(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if(!m_bEnabled || !m_bVisible)
return false;
bool bHandled = false;
switch(uMsg)
{
case WM_KEYDOWN:
{
switch(wParam)
{
case VK_TAB:
// We don't process Tab in case keyboard input is enabled and the user
// wishes to Tab to other controls.
break;
case VK_HOME:
PlaceCaret(0);
if(GetKeyState(VK_SHIFT) >= 0)
// Shift is not down. Update selection
// start along with the caret.
m_nSelStart = m_nCaret;
ResetCaretBlink();
bHandled = true;
break;
case VK_END:
PlaceCaret(m_Buffer.GetTextSize());
if(GetKeyState(VK_SHIFT) >= 0)
// Shift is not down. Update selection
// start along with the caret.
m_nSelStart = m_nCaret;
ResetCaretBlink();
bHandled = true;
break;
case VK_INSERT:
if(GetKeyState(VK_CONTROL) < 0)
{
// Control Insert. Copy to clipboard
CopyToClipboard();
} else if(GetKeyState(VK_SHIFT) < 0)
{
// Shift Insert. Paste from clipboard
PasteFromClipboard();
} else
{
// Toggle caret insert mode
m_bInsertMode = !m_bInsertMode;
}
break;
case VK_DELETE:
if (m_bEditEnabled)
{
// Check if there is a text selection.
if(m_nCaret != m_nSelStart)
{
DeleteSelectionText();
sendEvent(EVENT_EDITBOX_CHANGE);
}
else
{
// Deleting one character
if (m_bPassword)
{
m_wstrPassword.erase(m_nCaret,1);
}
if(m_Buffer.RemoveChar(m_nCaret))
sendEvent(EVENT_EDITBOX_CHANGE);
}
ResetCaretBlink();
bHandled = true;
}
break;
case VK_LEFT:
if(GetKeyState(VK_CONTROL) < 0)
{
// Control is down. Move the caret to a new item
// instead of a character.
m_Buffer.GetPriorItemPos(m_nCaret, &m_nCaret);
PlaceCaret(m_nCaret);
}
else if(m_nCaret > 0)
PlaceCaret(m_nCaret - 1);
if(GetKeyState(VK_SHIFT) >= 0)
// Shift is not down. Update selection
// start along with the caret.
m_nSelStart = m_nCaret;
ResetCaretBlink();
bHandled = true;
break;
case VK_RIGHT:
if(GetKeyState(VK_CONTROL) < 0)
{
// Control is down. Move the caret to a new item
// instead of a character.
m_Buffer.GetNextItemPos(m_nCaret, &m_nCaret);
PlaceCaret(m_nCaret);
}
else if(m_nCaret < m_Buffer.GetTextSize())
PlaceCaret(m_nCaret + 1);
if(GetKeyState(VK_SHIFT) >= 0)
// Shift is not down. Update selection
// start along with the caret.
m_nSelStart = m_nCaret;
ResetCaretBlink();
bHandled = true;
break;
case VK_UP:
case VK_DOWN:
// Trap up and down arrows so that the dialog
// does not switch focus to another control.
bHandled = true;
break;
default:
bHandled = wParam != VK_ESCAPE; // Let the application handle Esc.
}
}
}
return bHandled;
}
bool CGUITextBox::HandleKeyboard( UINT uMsg, WPARAM wParam, LPARAM lParam ) {
if(GetFocus() && wParam==m_Hotkey){
OnHotkey();
return true;
}
if(GetFocus() && m_bSelectable)
switch(uMsg){
case WM_KEYDOWN:
switch( wParam ){
case VK_UP:
PlaceCaret(m_Caretx, m_Carety-1);
if( GetKeyState( VK_SHIFT ) >= 0 )
SyncSelStart();
break;
case VK_DOWN:
PlaceCaret(m_Caretx, m_Carety+1);
if( GetKeyState( VK_SHIFT ) >= 0 )
SyncSelStart();
break;
case VK_LEFT:
if(m_Caretx==0 && m_Carety!=0)
PlaceCaret(m_Text[m_Carety-1].length(), m_Carety-1);
else
PlaceCaret(m_Caretx-1, m_Carety);
if( GetKeyState( VK_SHIFT ) >= 0 )
SyncSelStart();
break;
case VK_RIGHT:
if(m_Caretx==m_MaxCaretx && m_Carety!=m_MaxCarety)
PlaceCaret(0, m_Carety+1);
else
PlaceCaret(m_Caretx+1, m_Carety);
if( GetKeyState( VK_SHIFT ) >= 0 )
SyncSelStart();
break;
default:
break;
}
break;
case WM_CHAR:
switch( wParam ){
case VK_BACK:
if(m_Caretx==m_SelStartx && m_Carety==m_SelStarty)
DeleteTextAtCaret();
else
DeleteSelectionText();
break;
case VK_RETURN:
if(m_bEditable){
if(m_Caretx==m_SelStartx && m_Carety==m_SelStarty)
AddChar('\n');
SyncSelStart();
}
break;
case 24: // Ctrl-X Cut
case VK_CANCEL: // Ctrl-C Copy
case 22: // Ctrl-V Paste
case 26: // Ctrl Z
case 2: // Ctrl B
case 14: // Ctrl N
case 19: // Ctrl S
case 4: // Ctrl D
case 6: // Ctrl F
case 7: // Ctrl G
case 10: // Ctrl J
case 11: // Ctrl K
case 12: // Ctrl L
case 17: // Ctrl Q
case 23: // Ctrl W
case 5: // Ctrl E
case 18: // Ctrl R
case 20: // Ctrl T
case 25: // Ctrl Y
case 21: // Ctrl U
case 9: // Ctrl I
case 15: // Ctrl O
case 16: // Ctrl P
case 27: // Ctrl [
case 29: // Ctrl ]
case 28: // Ctrl \
break;
default:
if(m_bEditable){
AddChar((char)wParam);
SyncSelStart();
}
}
return true;
default:
return false;
}
return false;
}
