Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refactor wxMSW code to extract parts common to wxTextCtrl and wxComboBox into wxTextEntry

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48952 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-09-26 16:48:46 +00:00
parent d6b9cc87c0
commit fa2f57be4d
9 changed files with 340 additions and 512 deletions
Download Patch File Download Diff File Expand all files Collapse all files

223
src/msw/combobox.cpp
View File

@@ -395,7 +395,7 @@ WXHWND wxComboBox::GetEditHWND() const
{
// this function should not be called for wxCB_READONLY controls, it is
// the callers responsability to check this
wxASSERT_MSG( !(GetWindowStyle() & wxCB_READONLY),
wxASSERT_MSG( !HasFlag(wxCB_READONLY),
_T("read-only combobox doesn't have any edit control") );
POINT pt;
@@ -403,7 +403,7 @@ WXHWND wxComboBox::GetEditHWND() const
HWND hwndEdit = ::ChildWindowFromPoint(GetHwnd(), pt);
if ( !hwndEdit || hwndEdit == GetHwnd() )
{
wxFAIL_MSG(_T("not read only combobox without edit control?"));
wxFAIL_MSG(_T("combobox without edit control?"));
}
return (WXHWND)hwndEdit;
@@ -502,232 +502,17 @@ WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
// wxComboBox text control-like methods
// ----------------------------------------------------------------------------
wxString wxComboBox::GetValue() const
{
return wxGetWindowText(m_hWnd);
}
void wxComboBox::SetValue(const wxString& value)
{
if ( HasFlag(wxCB_READONLY) )
SetStringSelection(value);
else
SetWindowText(GetHwnd(), value.c_str());
}
// Clipboard operations
void wxComboBox::Copy()
{
SendMessage(GetHwnd(), WM_COPY, 0, 0L);
}
void wxComboBox::Cut()
{
SendMessage(GetHwnd(), WM_CUT, 0, 0L);
}
void wxComboBox::Paste()
{
SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
}
void wxComboBox::Undo()
{
if (CanUndo())
{
HWND hEditWnd = (HWND) GetEditHWND();
if ( hEditWnd )
::SendMessage(hEditWnd, EM_UNDO, 0, 0);
}
}
void wxComboBox::Redo()
{
if (CanUndo())
{
// Same as Undo, since Undo undoes the undo, i.e. a redo.
HWND hEditWnd = (HWND) GetEditHWND();
if ( hEditWnd )
::SendMessage(hEditWnd, EM_UNDO, 0, 0);
}
}
void wxComboBox::SelectAll()
{
SetSelection(0, GetLastPosition());
}
bool wxComboBox::CanUndo() const
{
if (!IsEditable())
return false;
HWND hEditWnd = (HWND) GetEditHWND();
if ( hEditWnd )
return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0;
else
return false;
}
bool wxComboBox::CanRedo() const
{
if (!IsEditable())
return false;
HWND hEditWnd = (HWND) GetEditHWND();
if ( hEditWnd )
return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0;
else
return false;
}
bool wxComboBox::HasSelection() const
{
long from, to;
GetSelection(&from, &to);
return from != to;
}
bool wxComboBox::CanCopy() const
{
// Can copy if there's a selection
return HasSelection();
}
bool wxComboBox::CanCut() const
{
return IsEditable() && CanCopy();
}
bool wxComboBox::CanPaste() const
{
if ( !IsEditable() )
return false;
// Standard edit control: check for straight text on clipboard
if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
return false;
bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
::CloseClipboard();
return isTextAvailable;
wxTextEntry::SetValue(value);
}
bool wxComboBox::IsEditable() const
{
return !HasFlag(wxCB_READONLY);
}
void wxComboBox::SetEditable(bool editable)
{
HWND hWnd = (HWND)GetEditHWND();
if ( !::SendMessage(hWnd, EM_SETREADONLY, !editable, 0) )
{
wxLogLastError(_T("SendMessage(EM_SETREADONLY)"));
}
}
void wxComboBox::SetInsertionPoint(long pos)
{
if ( GetWindowStyle() & wxCB_READONLY )
return;
HWND hWnd = GetHwnd();
::SendMessage(hWnd, CB_SETEDITSEL, 0, MAKELPARAM(pos, pos));
HWND hEditWnd = (HWND) GetEditHWND();
if ( hEditWnd )
{
// Scroll insertion point into view
SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
// Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint)
SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM) wxEmptyString);
}
}
void wxComboBox::SetInsertionPointEnd()
{
// setting insertion point doesn't make sense for read only comboboxes
if ( !(GetWindowStyle() & wxCB_READONLY) )
{
wxTextPos pos = GetLastPosition();
SetInsertionPoint(pos);
}
}
long wxComboBox::GetInsertionPoint() const
{
// CB_GETEDITSEL returns the index of the first character of the selection in
// its low-order word
DWORD pos= (DWORD)::SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L);
return LOWORD(pos);
}
wxTextPos wxComboBox::GetLastPosition() const
{
HWND hEditWnd = (HWND) GetEditHWND();
// Get number of characters in the last (only) line. We'll add this to the character
// index for the last line, 1st position.
wxTextPos lineLength = (wxTextPos)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L);
return lineLength;
}
void wxComboBox::Replace(long from, long to, const wxString& value)
{
#if wxUSE_CLIPBOARD
Remove(from, to);
// Now replace with 'value', by pasting.
wxSetClipboardData(wxDF_TEXT, (wxObject *)value.wx_str(), 0, 0);
// Paste into edit control
SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L);
#else
wxUnusedVar(from);
wxUnusedVar(to);
wxUnusedVar(value);
#endif
}
void wxComboBox::Remove(long from, long to)
{
// Set selection and remove it
SetSelection(from, to);
SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0);
}
void wxComboBox::SetSelection(long from, long to)
{
// if from and to are both -1, it means (in wxWidgets) that all text should
// be selected, translate this into Windows convention
if ( (from == -1) && (to == -1) )
{
from = 0;
}
if ( SendMessage(GetHwnd(), CB_SETEDITSEL,
0, (LPARAM)MAKELONG(from, to)) == CB_ERR )
{
wxLogDebug(_T("CB_SETEDITSEL failed"));
}
}
void wxComboBox::GetSelection(long* from, long* to) const
{
DWORD dwStart, dwEnd;
if ( ::SendMessage(GetHwnd(), CB_GETEDITSEL,
(WPARAM)&dwStart, (LPARAM)&dwEnd) == CB_ERR )
{
*from =
*to = 0;
}
else
{
*from = dwStart;
*to = dwEnd;
}
return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable();
}
// ----------------------------------------------------------------------------