/////////////////////////////////////////////////////////////////////////////
-// Name: msw/combobox.cpp
+// Name: src/msw/combobox.cpp
// Purpose: wxComboBox class
// Author: Julian Smart
// Modified by:
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "combobox.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_COMBOBOX
+#include "wx/combobox.h"
+
#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
#include "wx/settings.h"
#include "wx/log.h"
// for wxEVT_COMMAND_TEXT_ENTER
#include "wx/textctrl.h"
+ #include "wx/app.h"
+ #include "wx/brush.h"
#endif
-#include "wx/app.h"
-#include "wx/combobox.h"
-#include "wx/brush.h"
#include "wx/clipbrd.h"
+#include "wx/wupdlock.h"
#include "wx/msw/private.h"
+#if wxUSE_UXTHEME
+ #include "wx/msw/uxtheme.h"
+#endif
+
#if wxUSE_TOOLTIPS
- #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
- #include <commctrl.h>
- #endif
#include "wx/tooltip.h"
#endif // wxUSE_TOOLTIPS
// wxWin macros
// ----------------------------------------------------------------------------
-#if wxUSE_EXTENDED_RTTI
-WX_DEFINE_FLAGS( wxComboBoxStyle )
-
-wxBEGIN_FLAGS( wxComboBoxStyle )
- // new style border flags, we put them first to
- // use them for streaming out
- wxFLAGS_MEMBER(wxBORDER_SIMPLE)
- wxFLAGS_MEMBER(wxBORDER_SUNKEN)
- wxFLAGS_MEMBER(wxBORDER_DOUBLE)
- wxFLAGS_MEMBER(wxBORDER_RAISED)
- wxFLAGS_MEMBER(wxBORDER_STATIC)
- wxFLAGS_MEMBER(wxBORDER_NONE)
-
- // old style border flags
- wxFLAGS_MEMBER(wxSIMPLE_BORDER)
- wxFLAGS_MEMBER(wxSUNKEN_BORDER)
- wxFLAGS_MEMBER(wxDOUBLE_BORDER)
- wxFLAGS_MEMBER(wxRAISED_BORDER)
- wxFLAGS_MEMBER(wxSTATIC_BORDER)
- wxFLAGS_MEMBER(wxBORDER)
-
- // standard window styles
- wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
- wxFLAGS_MEMBER(wxCLIP_CHILDREN)
- wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
- wxFLAGS_MEMBER(wxWANTS_CHARS)
- wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
- wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
- wxFLAGS_MEMBER(wxVSCROLL)
- wxFLAGS_MEMBER(wxHSCROLL)
-
- wxFLAGS_MEMBER(wxCB_SIMPLE)
- wxFLAGS_MEMBER(wxCB_SORT)
- wxFLAGS_MEMBER(wxCB_READONLY)
- wxFLAGS_MEMBER(wxCB_DROPDOWN)
-
-wxEND_FLAGS( wxComboBoxStyle )
-
-IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl,"wx/combobox.h")
-
-wxBEGIN_PROPERTIES_TABLE(wxComboBox)
- wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent )
- wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
-
- // TODO DELEGATES
- wxPROPERTY( Font , wxFont , SetFont , GetFont , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
-wxEND_PROPERTIES_TABLE()
-
-wxBEGIN_HANDLERS_TABLE(wxComboBox)
-wxEND_HANDLERS_TABLE()
-
-wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size )
-
-#else
-
-IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
-
-#endif
-
BEGIN_EVENT_TABLE(wxComboBox, wxControl)
EVT_MENU(wxID_CUT, wxComboBox::OnCut)
EVT_MENU(wxID_COPY, wxComboBox::OnCopy)
// implementation
// ============================================================================
+namespace
+{
+
+// Check if the given message should be forwarded from the edit control which
+// is part of the combobox to wxComboBox itself. All messages generating the
+// events that the code using wxComboBox could be interested in must be
+// forwarded.
+bool ShouldForwardFromEditToCombo(UINT message)
+{
+ switch ( message )
+ {
+ case WM_KEYUP:
+ case WM_KEYDOWN:
+ case WM_CHAR:
+ case WM_SYSCHAR:
+ case WM_SYSKEYDOWN:
+ case WM_SYSKEYUP:
+ case WM_SETFOCUS:
+ case WM_KILLFOCUS:
+ case WM_CUT:
+ case WM_COPY:
+ case WM_PASTE:
+ return true;
+ }
+
+ return false;
+}
+
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// wnd proc for subclassed edit control
// ----------------------------------------------------------------------------
HWND hwndCombo = ::GetParent(hWnd);
wxWindow *win = wxFindWinFromHandle((WXHWND)hwndCombo);
- switch ( message )
+ if ( ShouldForwardFromEditToCombo(message) )
{
- // forward some messages to the combobox to generate the appropriate
- // wxEvents from them
- case WM_KEYUP:
- case WM_KEYDOWN:
- case WM_CHAR:
- case WM_SETFOCUS:
- case WM_KILLFOCUS:
+ wxComboBox *combo = wxDynamicCast(win, wxComboBox);
+ if ( !combo )
+ {
+ // we can get WM_KILLFOCUS while our parent is already half
+ // destroyed and hence doesn't look like a combobx any
+ // longer, check for it to avoid bogus assert failures
+ if ( !win->IsBeingDeleted() )
{
- wxComboBox *combo = wxDynamicCast(win, wxComboBox);
- if ( !combo )
- {
- // we can get WM_KILLFOCUS while our parent is already half
- // destroyed and hence doesn't look like a combobx any
- // longer, check for it to avoid bogus assert failures
- if ( !win->IsBeingDeleted() )
- {
- wxFAIL_MSG( _T("should have combo as parent") );
- }
- }
- else if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
- {
- // handled by parent
- return 0;
- }
- }
- break;
-
- case WM_GETDLGCODE:
- {
- wxCHECK_MSG( win, 0, _T("should have a parent") );
-
- if ( win->GetWindowStyle() & wxPROCESS_ENTER )
- {
- // need to return a custom dlg code or we'll never get it
- return DLGC_WANTMESSAGE;
- }
+ wxFAIL_MSG( wxT("should have combo as parent") );
}
- break;
-
- // deal with tooltips here
-#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)
- case WM_NOTIFY:
- {
- wxCHECK_MSG( win, 0, _T("should have a parent") );
+ }
+ else if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+ {
+ // handled by parent
+ return 0;
+ }
+ }
+ else if ( message == WM_GETDLGCODE )
+ {
+ wxCHECK_MSG( win, 0, wxT("should have a parent") );
- NMHDR* hdr = (NMHDR *)lParam;
- if ( hdr->code == TTN_NEEDTEXT )
- {
- wxToolTip *tooltip = win->GetToolTip();
- if ( tooltip )
- {
- TOOLTIPTEXT *ttt = (TOOLTIPTEXT *)lParam;
- ttt->lpszText = (wxChar *)tooltip->GetTip().c_str();
- }
-
- // processed
- return 0;
- }
- }
- break;
-#endif // wxUSE_TOOLTIPS
+ if ( win->GetWindowStyle() & wxTE_PROCESS_ENTER )
+ {
+ // need to return a custom dlg code or we'll never get it
+ return DLGC_WANTMESSAGE;
+ }
}
return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- // handle WM_CTLCOLOR messages from our EDIT control to be able to set its
- // colour correctly (to be the same as our own one)
+ // TODO: handle WM_CTLCOLOR messages from our EDIT control to be able to
+ // set its colour correctly (to be the same as our own one)
+
switch ( nMsg )
{
- case CB_SETCURSEL:
- // Selection was set with SetSelection. Update the value too.
- if ((int)wParam > GetCount())
- m_value = wxEmptyString;
- else
- m_value = GetString(wParam);
- m_selectionOld = -1;
- break;
+ case WM_SIZE:
+ // wxStaticBox can generate this message, when modifying the control's style.
+ // This causes the content of the combobox to be selected, for some reason.
+ case WM_STYLECHANGED:
+ {
+ // combobox selection sometimes spontaneously changes when its
+ // size changes, restore it to the old value if necessary
+ if ( !GetEditHWNDIfAvailable() )
+ break;
+
+ long fromOld, toOld;
+ GetSelection(&fromOld, &toOld);
+
+ // if an editable combobox has a not empty text not from the
+ // list, it tries to autocomplete it from the list when it is
+ // resized, but we don't want this to happen as it doesn't seem
+ // to make any sense, so we forcefully restore the old text
+ wxString textOld;
+ if ( !HasFlag(wxCB_READONLY) && GetCurrentSelection() == -1 )
+ textOld = GetValue();
+
+ // eliminate flickering during following hacks
+ wxWindowUpdateLocker lock(this);
+
+ WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+
+ if ( !textOld.empty() && GetValue() != textOld )
+ SetLabel(textOld);
+
+ long fromNew, toNew;
+ GetSelection(&fromNew, &toNew);
+
+ if ( fromOld != fromNew || toOld != toNew )
+ {
+ SetSelection(fromOld, toOld);
+ }
+
+ return result;
+ }
}
return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
// when Enter is pressed
if ( wParam == VK_RETURN )
{
+ if (SendMessage(GetHwnd(), CB_GETDROPPEDSTATE, 0, 0))
+ return false;
+
wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- InitCommandEvent(event);
+
+ const int sel = GetSelection();
+ event.SetInt(sel);
event.SetString(GetValue());
- event.SetInt(GetSelection());
+ InitCommandEventWithItems(event, sel);
+
if ( ProcessCommand(event) )
{
// don't let the event through to the native control
return true;
}
}
+ // fall through, WM_CHAR is one of the message we should forward.
- return HandleChar(wParam, lParam, true /* isASCII */);
-
- case WM_KEYDOWN:
- return HandleKeyDown(wParam, lParam);
-
- case WM_KEYUP:
- return HandleKeyUp(wParam, lParam);
-
- case WM_SETFOCUS:
- return HandleSetFocus((WXHWND)wParam);
-
- case WM_KILLFOCUS:
- return HandleKillFocus((WXHWND)wParam);
+ default:
+ if ( ShouldForwardFromEditToCombo(msg) )
+ {
+ // For all the messages forward from the edit control the
+ // result is not used.
+ WXLRESULT result;
+ return MSWHandleMessage(&result, msg, wParam, lParam);
+ }
}
return false;
}
-bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+bool wxComboBox::MSWCommand(WXUINT param, WXWORD id)
{
- wxString value;
int sel = -1;
+ wxString value;
+
switch ( param )
{
- case CBN_SELCHANGE:
- sel = GetSelection();
-
- // somehow we get 2 CBN_SELCHANGE events with the same index when
- // the user selects an item in the combobox -- ignore duplicates
- if ( sel > -1 && sel != m_selectionOld )
+ case CBN_DROPDOWN:
+ // remember the last selection, just as wxChoice does
+ m_lastAcceptedSelection = GetCurrentSelection();
{
- m_selectionOld = sel;
-
- // GetValue() would still return the old value from here but
- // according to the docs we should return the new value if the
- // user calls it in his event handler, so update internal
- // m_value
- m_value = GetString(sel);
-
- wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId());
- event.SetInt(sel);
+ wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
event.SetEventObject(this);
- event.SetString(m_value);
ProcessCommand(event);
}
- else // no valid selection
- {
- m_selectionOld = sel;
+ break;
- // hence no EVT_TEXT neither
- break;
+ case CBN_CLOSEUP:
+ // Do the same thing as in wxChoice but using different event type.
+ if ( m_pendingSelection != wxID_NONE )
+ {
+ SendSelectionChangedEvent(wxEVT_COMMAND_COMBOBOX_SELECTED);
+ m_pendingSelection = wxID_NONE;
+ }
+ {
+ wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_CLOSEUP, GetId());
+ event.SetEventObject(this);
+ ProcessCommand(event);
}
+ break;
+
+ case CBN_SELENDOK:
+#ifndef __SMARTPHONE__
+ // we need to reset this to prevent the selection from being undone
+ // by wxChoice, see wxChoice::MSWCommand() and comments there
+ m_lastAcceptedSelection = wxID_NONE;
+#endif
+
+ // set these variables so that they could be also fixed in
+ // CBN_EDITCHANGE below
+ sel = GetSelection();
+ value = GetStringSelection();
+
+ // this string is going to become the new combobox value soon but
+ // we need it to be done right now, otherwise the event handler
+ // could get a wrong value when it calls our GetValue()
+ ::SetWindowText(GetHwnd(), value.t_str());
- // fall through: for compability with wxGTK, also send the text
+ SendSelectionChangedEvent(wxEVT_COMMAND_COMBOBOX_SELECTED);
+
+ // fall through: for compatibility with wxGTK, also send the text
// update event when the selection changes (this also seems more
// logical as the text does change)
case CBN_EDITCHANGE:
+ if ( m_allowTextEvents )
{
wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
- // if sel != -1, value was initialized above (and we can't use
- // GetValue() here as it would return the old selection and we
- // want the new one)
+ // if sel != -1, value was already initialized above
if ( sel == -1 )
{
- m_value = wxGetWindowText(GetHwnd());
- m_selectionOld = -1;
- }
- else // we're synthesizing text updated event from sel change
- {
- // We need to retrieve the current selection because the
- // user may have changed it in the previous handler (for
- // CBN_SELCHANGE above).
- sel = GetSelection();
- if ( sel > -1 )
- {
- m_value = GetString(sel);
- }
+ value = wxGetWindowText(GetHwnd());
}
- event.SetString(m_value);
- event.SetEventObject(this);
+ event.SetString(value);
+ InitCommandEventWithItems(event, sel);
+
ProcessCommand(event);
}
break;
+
+ default:
+ return wxChoice::MSWCommand(param, id);
}
- // there is no return value for the CBN_ notifications, so always return
- // false from here to pass the message to DefWindowProc()
- return false;
+ // skip wxChoice version as it would generate its own events for
+ // CBN_SELENDOK and also interfere with our handling of CBN_DROPDOWN
+ return true;
}
-WXHWND wxComboBox::GetEditHWND() const
+bool wxComboBox::MSWShouldPreProcessMessage(WXMSG *pMsg)
{
- // this function should not be called for wxCB_READONLY controls, it is
- // the callers responsability to check this
- wxASSERT_MSG( !(GetWindowStyle() & wxCB_READONLY),
- _T("read-only combobox doesn't have any edit control") );
-
- POINT pt;
- pt.x = pt.y = 4;
- HWND hwndEdit = ::ChildWindowFromPoint(GetHwnd(), pt);
- if ( !hwndEdit || hwndEdit == GetHwnd() )
+ // prevent command accelerators from stealing editing
+ // hotkeys when we have the focus
+ if (wxIsCtrlDown())
{
- wxFAIL_MSG(_T("not read only combobox without edit control?"));
+ WPARAM vkey = pMsg->wParam;
+
+ switch (vkey)
+ {
+ case 'C':
+ case 'V':
+ case 'X':
+ case VK_INSERT:
+ case VK_DELETE:
+ case VK_HOME:
+ case VK_END:
+ return false;
+ }
}
- return (WXHWND)hwndEdit;
+ return wxChoice::MSWShouldPreProcessMessage(pMsg);
+}
+
+WXHWND wxComboBox::GetEditHWNDIfAvailable() const
+{
+ // FIXME-VC6: Only VC6 needs this guard, see WINVER definition in
+ // include/wx/msw/wrapwin.h
+#if defined(WINVER) && WINVER >= 0x0500
+ WinStruct<COMBOBOXINFO> info;
+ if ( MSWGetComboBoxInfo(&info) )
+ return info.hwndItem;
+#endif // WINVER >= 0x0500
+
+ if (HasFlag(wxCB_SIMPLE))
+ {
+ POINT pt;
+ pt.x = pt.y = 4;
+ return (WXHWND) ::ChildWindowFromPoint(GetHwnd(), pt);
+ }
+
+ // notice that a slightly safer alternative could be to use FindWindowEx()
+ // but it's not available under WinCE so just take the first child for now
+ // to keep one version of the code for all platforms and fix it later if
+ // problems are discovered
+
+ // we assume that the only child of the combobox is the edit window
+ return (WXHWND)::GetWindow(GetHwnd(), GW_CHILD);
+}
+
+WXHWND wxComboBox::GetEditHWND() const
+{
+ // this function should not be called for wxCB_READONLY controls, it is
+ // the callers responsibility to check this
+ wxASSERT_MSG( !HasFlag(wxCB_READONLY),
+ wxT("read-only combobox doesn't have any edit control") );
+
+ WXHWND hWndEdit = GetEditHWNDIfAvailable();
+ wxASSERT_MSG( hWndEdit, wxT("combobox without edit control?") );
+
+ return hWndEdit;
+}
+
+wxWindow *wxComboBox::GetEditableWindow()
+{
+ wxASSERT_MSG( !HasFlag(wxCB_READONLY),
+ wxT("read-only combobox doesn't have any edit control") );
+
+ return this;
}
// ----------------------------------------------------------------------------
// edit control, we must subclass it as well
if ( !(style & wxCB_READONLY) )
{
- gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(),
- wxComboEditWndProc);
+ gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(), wxComboEditWndProc);
}
// and finally, show the control
(style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
);
+ // usually WS_TABSTOP is added by wxControl::MSWGetStyle() but as we're
+ // created hidden (see Create() above), it is not done for us but we still
+ // want to have this style
+ msStyle |= WS_TABSTOP;
+
// remove the style always added by wxChoice
msStyle &= ~CBS_DROPDOWNLIST;
}
// ----------------------------------------------------------------------------
-// wxComboBox geometry
+// wxComboBox text control-like methods
// ----------------------------------------------------------------------------
-void
-wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+wxString wxComboBox::GetValue() const
{
- // work around a Windows bug (search for "Bug in Windows Combobox" in
- // Google Groups): resizing the combobox changes the selection in it
- long fromOld, toOld;
- GetSelection(&fromOld, &toOld);
-
- wxChoice::DoSetSize(x, y, width, height, sizeFlags);
-
- long fromNew, toNew;
- GetSelection(&fromNew, &toNew);
-
- if ( fromOld != fromNew || toOld != toNew )
- {
- SetSelection(fromOld, toOld);
- }
+ return HasFlag(wxCB_READONLY) ? GetStringSelection()
+ : wxTextEntry::GetValue();
}
-// ----------------------------------------------------------------------------
-// wxComboBox text control-like methods
-// ----------------------------------------------------------------------------
-
void wxComboBox::SetValue(const wxString& value)
{
if ( HasFlag(wxCB_READONLY) )
SetStringSelection(value);
else
- SetWindowText(GetHwnd(), value.c_str());
-
- m_value = value;
- m_selectionOld = GetSelection();
-}
-
-// Clipboard operations
-void wxComboBox::Copy()
-{
- SendMessage(GetHwnd(), WM_COPY, 0, 0L);
+ wxTextEntry::SetValue(value);
}
-void wxComboBox::Cut()
+void wxComboBox::Clear()
{
- SendMessage(GetHwnd(), WM_CUT, 0, 0L);
+ wxChoice::Clear();
+ if ( !HasFlag(wxCB_READONLY) )
+ wxTextEntry::Clear();
}
-void wxComboBox::Paste()
+bool wxComboBox::ContainsHWND(WXHWND hWnd) const
{
- SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
+ return hWnd == GetEditHWNDIfAvailable();
}
-void wxComboBox::Undo()
+void wxComboBox::GetSelection(long *from, long *to) const
{
- if (CanUndo())
+ if ( !HasFlag(wxCB_READONLY) )
{
- HWND hEditWnd = (HWND) GetEditHWND() ;
- if ( hEditWnd )
- ::SendMessage(hEditWnd, EM_UNDO, 0, 0);
+ wxTextEntry::GetSelection(from, to);
}
-}
-
-void wxComboBox::Redo()
-{
- if (CanUndo())
+ else // text selection doesn't make sense for read only comboboxes
{
- // Same as Undo, since Undo undoes the undo, i.e. a redo.
- HWND hEditWnd = (HWND) GetEditHWND() ;
- if ( hEditWnd )
- ::SendMessage(hEditWnd, EM_UNDO, 0, 0);
+ if ( from )
+ *from = -1;
+ if ( to )
+ *to = -1;
}
}
-void wxComboBox::SelectAll()
-{
- SetSelection(0, GetLastPosition());
-}
-
-bool wxComboBox::CanUndo() const
-{
- HWND hEditWnd = (HWND) GetEditHWND() ;
- if ( hEditWnd )
- return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0;
- else
- return false;
-}
-
-bool wxComboBox::CanRedo() const
-{
- 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 CanCopy() && IsEditable();
-}
-
-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;
-}
-
bool wxComboBox::IsEditable() const
{
- return !HasFlag(wxCB_READONLY);
-}
-
-void wxComboBox::SetEditable(bool WXUNUSED(editable))
-{
- // Can't implement in MSW?
-// HWND hWnd = GetHwnd();
-// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
-}
-
-void wxComboBox::SetInsertionPoint(long pos)
-{
- if ( GetWindowStyle() & wxCB_READONLY )
- return;
-
-#ifdef __WIN32__
- 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);
- }
-#endif // __WIN32__
-}
-
-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
-{
-#ifdef __WIN32__
- DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L);
- return Pos&0xFFFF;
-#else
- return 0;
-#endif
-}
-
-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 *)(const wxChar *)value, 0, 0);
-
- // Paste into edit control
- SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L);
-#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)
-{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
- // if from and to are both -1, it means
- // (in wxWidgets) that all text should be selected.
- // This translates into Windows convention
- if ((from == -1) && (to == -1))
- {
- fromChar = 0;
- toChar = -1;
- }
-
- if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )
- {
- wxLogDebug(_T("CB_SETEDITSEL failed"));
- }
-}
-
-void wxComboBox::GetSelection(long* from, long* to) const
-{
- DWORD dwStart, dwEnd;
- ::SendMessage(GetHwnd(), CB_GETEDITSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
-
- *from = dwStart;
- *to = dwEnd;
-}
-
-int wxComboBox::GetSelection() const
-{
- return wxChoice::GetSelection();
+ return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable();
}
// ----------------------------------------------------------------------------
void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event))
{
- long from, to;
- GetSelection(& from, & to);
- if (from != -1 && to != -1)
- Remove(from, to);
+ RemoveSelection();
}
void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
- SetSelection(-1, -1);
+ SelectAll();
}
void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event)
void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event)
{
- event.Enable( CanUndo() );
+ event.Enable( IsEditable() && CanUndo() );
}
void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event)
{
- event.Enable( CanRedo() );
+ event.Enable( IsEditable() && CanRedo() );
}
void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event)
{
- event.Enable(HasSelection() && IsEditable()) ;
+ event.Enable(IsEditable() && HasSelection());
}
void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
{
- event.Enable(GetLastPosition() > 0);
+ event.Enable(IsEditable() && !wxTextEntry::IsEmpty());
}
-#endif // wxUSE_COMBOBOX
+#if wxUSE_TOOLTIPS
+
+void wxComboBox::DoSetToolTip(wxToolTip *tip)
+{
+ wxChoice::DoSetToolTip(tip);
+
+ if ( tip && !HasFlag(wxCB_READONLY) )
+ tip->AddOtherWindow(GetEditHWND());
+}
+
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_UXTHEME
+bool wxComboBox::SetHint(const wxString& hintOrig)
+{
+ wxString hint(hintOrig);
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ // under XP (but not Vista) there is a bug in cue banners
+ // implementation for combobox edit control: the first character is
+ // partially chopped off, so prepend a space to make it fully visible
+ hint.insert(0, " ");
+ }
+
+ return wxTextEntry::SetHint(hint);
+}
+
+#endif // wxUSE_UXTHEME
+
+wxSize wxComboBox::DoGetSizeFromTextSize(int xlen, int ylen) const
+{
+ wxSize tsize( wxChoice::DoGetSizeFromTextSize(xlen, ylen) );
+
+ if ( !HasFlag(wxCB_READONLY) )
+ {
+ // Add the margins we have previously set
+ wxPoint marg( GetMargins() );
+ marg.x = wxMax(0, marg.x);
+ marg.y = wxMax(0, marg.y);
+ tsize.IncBy( marg );
+ }
+
+ return tsize;
+}
+
+#endif // wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff