/////////////////////////////////////////////////////////////////////////////
-// 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/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 , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY( Value ,wxString, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY( Selection ,int, SetSelection, GetSelection, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
- wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 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)
+ EVT_MENU(wxID_PASTE, wxComboBox::OnPaste)
+ EVT_MENU(wxID_UNDO, wxComboBox::OnUndo)
+ EVT_MENU(wxID_REDO, wxComboBox::OnRedo)
+ EVT_MENU(wxID_CLEAR, wxComboBox::OnDelete)
+ EVT_MENU(wxID_SELECTALL, wxComboBox::OnSelectAll)
+
+ EVT_UPDATE_UI(wxID_CUT, wxComboBox::OnUpdateCut)
+ EVT_UPDATE_UI(wxID_COPY, wxComboBox::OnUpdateCopy)
+ EVT_UPDATE_UI(wxID_PASTE, wxComboBox::OnUpdatePaste)
+ EVT_UPDATE_UI(wxID_UNDO, wxComboBox::OnUpdateUndo)
+ EVT_UPDATE_UI(wxID_REDO, wxComboBox::OnUpdateRedo)
+ EVT_UPDATE_UI(wxID_CLEAR, wxComboBox::OnUpdateDelete)
+ EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll)
+END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// function prototypes
// ---------------------------------------------------------------------------
// the pointer to standard radio button wnd proc
-static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL;
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
// ============================================================================
// 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);
}
-WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
- WXUINT WXUNUSED(message),
- WXWPARAM WXUNUSED(wParam),
- WXLPARAM WXUNUSED(lParam)
- )
+// ----------------------------------------------------------------------------
+// wxComboBox callbacks
+// ----------------------------------------------------------------------------
+
+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- HDC hdc = (HDC)pDC;
- wxColour colBack = GetBackgroundColour();
+ // 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)
- if (!IsEnabled())
- colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
+ switch ( nMsg )
+ {
+ 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;
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+ long fromOld, toOld;
+ GetSelection(&fromOld, &toOld);
- wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+ // 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();
- return (WXHBRUSH)brush->GetResourceHandle();
-}
+ // eliminate flickering during following hacks
+ wxWindowUpdateLocker lock(this);
-// ----------------------------------------------------------------------------
-// wxComboBox
-// ----------------------------------------------------------------------------
+ WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam);
-wxComboBox::wxComboBox()
-{
-}
+ if ( !textOld.empty() && GetValue() != textOld )
+ SetLabel(textOld);
-wxComboBox::wxComboBox(wxWindow *parent,
- wxWindowID id,
- const wxString& value,
- const wxPoint& pos,
- const wxSize& size,
- int n,
- const wxString choices[],
- long style,
- const wxValidator& validator,
- const wxString& name)
-{
- Create(parent, id, value, pos, size, n, choices, style, validator, name);
+ long fromNew, toNew;
+ GetSelection(&fromNew, &toNew);
+
+ if ( fromOld != fromNew || toOld != toNew )
+ {
+ SetSelection(fromOld, toOld);
+ }
+
+ return result;
+ }
+ }
+
+ return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
}
bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
// when Enter is pressed
if ( wParam == VK_RETURN )
{
- wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- InitCommandEvent(event);
- event.SetString(GetValue());
- event.SetInt(GetSelection());
- ProcessCommand(event);
- }
+ if (SendMessage(GetHwnd(), CB_GETDROPPEDSTATE, 0, 0))
+ return false;
- return HandleChar(wParam, lParam, TRUE /* isASCII */);
-
- case WM_KEYDOWN:
- return HandleKeyDown(wParam, lParam);
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
- case WM_KEYUP:
- return HandleKeyUp(wParam, lParam);
+ const int sel = GetSelection();
+ event.SetInt(sel);
+ event.SetString(GetValue());
+ InitCommandEventWithItems(event, sel);
- case WM_SETFOCUS:
- return HandleSetFocus((WXHWND)wParam);
+ if ( ProcessCommand(event) )
+ {
+ // don't let the event through to the native control
+ // because it doesn't need it and may generate an annoying
+ // beep if it gets it
+ return true;
+ }
+ }
+ // fall through, WM_CHAR is one of the message we should forward.
- 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;
+ 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();
- if ( sel > -1 )
+ case CBN_DROPDOWN:
+ // remember the last selection, just as wxChoice does
+ m_lastAcceptedSelection = GetCurrentSelection();
{
- 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(value);
ProcessCommand(event);
}
- else
+ 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;
+ }
{
- break;
+ 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 )
{
- value = GetValue();
- }
- 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 )
- {
- value = GetString(sel);
- }
- // we need to do this because the user code expects
- // wxComboBox::GetValue() to return the new value from
- // "text updated" handler but it hadn't been updated yet
- SetValue(value);
+ value = wxGetWindowText(GetHwnd());
}
event.SetString(value);
- event.SetEventObject(this);
+ 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())
+ {
+ 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 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))
{
- wxFAIL_MSG(_T("not read only combobox without edit control?"));
+ POINT pt;
+ pt.x = pt.y = 4;
+ return (WXHWND) ::ChildWindowFromPoint(GetHwnd(), pt);
}
- return (WXHWND)hwndEdit;
+ // 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;
+}
+
+// ----------------------------------------------------------------------------
+// wxComboBox creation
+// ----------------------------------------------------------------------------
+
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
// pretend that wxComboBox is hidden while it is positioned and resized and
// show it only right before leaving this method because otherwise there is
// some noticeable flicker while the control rearranges itself
- m_isShown = FALSE;
+ m_isShown = false;
+
+ if ( !CreateAndInit(parent, id, pos, size, n, choices, style,
+ validator, name) )
+ return false;
+
+ // we shouldn't call SetValue() for an empty string because this would
+ // (correctly) result in an assert with a read only combobox and is useless
+ // for the other ones anyhow
+ if ( !value.empty() )
+ SetValue(value);
- // first create wxWin object
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
+ // a (not read only) combobox is, in fact, 2 controls: the combobox itself
+ // and an edit control inside it and if we want to catch events from this
+ // edit control, we must subclass it as well
+ if ( !(style & wxCB_READONLY) )
+ {
+ gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(), wxComboEditWndProc);
+ }
+
+ // and finally, show the control
+ Show(true);
+
+ return true;
+}
+
+bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
+ const wxString& value,
+ const wxPoint& pos,
+ const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ wxCArrayString chs(choices);
+ return Create(parent, id, value, pos, size, chs.GetCount(),
+ chs.GetStrings(), style, validator, name);
+}
+
+WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ // we never have an external border
+ WXDWORD msStyle = wxChoice::MSWGetStyle
+ (
+ (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;
- // get the right style
- long msStyle = WS_TABSTOP | WS_VSCROLL | WS_HSCROLL |
- CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT /* | WS_CLIPSIBLINGS */;
if ( style & wxCB_READONLY )
msStyle |= CBS_DROPDOWNLIST;
#ifndef __WXWINCE__
else
msStyle |= CBS_DROPDOWN;
- if ( style & wxCB_SORT )
- msStyle |= CBS_SORT;
+ // there is no reason to not always use CBS_AUTOHSCROLL, so do use it
+ msStyle |= CBS_AUTOHSCROLL;
- if ( style & wxCLIP_SIBLINGS )
- msStyle |= WS_CLIPSIBLINGS;
+ // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why?
+ return msStyle;
+}
- // and now create the MSW control
- if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
- return FALSE;
+// ----------------------------------------------------------------------------
+// wxComboBox text control-like methods
+// ----------------------------------------------------------------------------
- // A choice/combobox normally has a white background (or other, depending
- // on global settings) rather than inheriting the parent's background colour.
- SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
+wxString wxComboBox::GetValue() const
+{
+ return HasFlag(wxCB_READONLY) ? GetStringSelection()
+ : wxTextEntry::GetValue();
+}
- for ( int i = 0; i < n; i++ )
- {
- Append(choices[i]);
- }
+void wxComboBox::SetValue(const wxString& value)
+{
+ if ( HasFlag(wxCB_READONLY) )
+ SetStringSelection(value);
+ else
+ wxTextEntry::SetValue(value);
+}
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
+void wxComboBox::Clear()
+{
+ wxChoice::Clear();
+ if ( !HasFlag(wxCB_READONLY) )
+ wxTextEntry::Clear();
+}
- // do this after appending the values to the combobox so that autosizing
- // works correctly
- SetSize(pos.x, pos.y, size.x, size.y);
+bool wxComboBox::ContainsHWND(WXHWND hWnd) const
+{
+ return hWnd == GetEditHWNDIfAvailable();
+}
- // a (not read only) combobox is, in fact, 2 controls: the combobox itself
- // and an edit control inside it and if we want to catch events from this
- // edit control, we must subclass it as well
- if ( !(style & wxCB_READONLY) )
+void wxComboBox::GetSelection(long *from, long *to) const
+{
+ if ( !HasFlag(wxCB_READONLY) )
{
- gs_wndprocEdit = (WXFARPROC)::SetWindowLong
- (
- (HWND)GetEditHWND(),
- GWL_WNDPROC,
- (LPARAM)wxComboEditWndProc
- );
+ wxTextEntry::GetSelection(from, to);
+ }
+ else // text selection doesn't make sense for read only comboboxes
+ {
+ if ( from )
+ *from = -1;
+ if ( to )
+ *to = -1;
}
-
- // and finally, show the control
- Show(TRUE);
-
- return TRUE;
}
-void wxComboBox::SetValue(const wxString& value)
+bool wxComboBox::IsEditable() const
{
- if ( HasFlag(wxCB_READONLY) )
- SetStringSelection(value);
- else
- SetWindowText(GetHwnd(), value.c_str());
+ return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable();
}
-// Clipboard operations
-void wxComboBox::Copy()
+// ----------------------------------------------------------------------------
+// standard event handling
+// ----------------------------------------------------------------------------
+
+void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event))
{
- SendMessage(GetHwnd(), WM_COPY, 0, 0L);
+ Cut();
}
-void wxComboBox::Cut()
+void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- SendMessage(GetHwnd(), WM_CUT, 0, 0L);
+ Copy();
}
-void wxComboBox::Paste()
+void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event))
{
- SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
+ Paste();
}
-void wxComboBox::SetEditable(bool WXUNUSED(editable))
+void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event))
{
- // Can't implement in MSW?
-// HWND hWnd = GetHwnd();
-// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ Undo();
}
-void wxComboBox::SetInsertionPoint(long pos)
+void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event))
{
- if ( GetWindowStyle() & wxCB_READONLY )
- return;
+ Redo();
+}
-#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::OnDelete(wxCommandEvent& WXUNUSED(event))
+{
+ RemoveSelection();
}
-void wxComboBox::SetInsertionPointEnd()
+void wxComboBox::OnSelectAll(wxCommandEvent& WXUNUSED(event))
{
- // setting insertion point doesn't make sense for read only comboboxes
- if ( !(GetWindowStyle() & wxCB_READONLY) )
- {
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
- }
+ SelectAll();
}
-long wxComboBox::GetInsertionPoint() const
+void wxComboBox::OnUpdateCut(wxUpdateUIEvent& event)
{
-#ifdef __WIN32__
- DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L);
- return Pos&0xFFFF;
-#else
- return 0;
-#endif
+ event.Enable( CanCut() );
}
-long wxComboBox::GetLastPosition() const
+void wxComboBox::OnUpdateCopy(wxUpdateUIEvent& event)
{
- HWND hEditWnd = (HWND) GetEditHWND();
+ event.Enable( CanCopy() );
+}
- // Get number of characters in the last (only) line. We'll add this to the character
- // index for the last line, 1st position.
- int lineLength = (int)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L);
+void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+ event.Enable( CanPaste() );
+}
- return (long)(lineLength);
+void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( IsEditable() && CanUndo() );
}
-void wxComboBox::Replace(long from, long to, const wxString& value)
+void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event)
{
-#if wxUSE_CLIPBOARD
- Remove(from, to);
+ event.Enable( IsEditable() && CanRedo() );
+}
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0);
+void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event)
+{
+ event.Enable(IsEditable() && HasSelection());
+}
- // Paste into edit control
- SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L);
-#endif
+void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
+{
+ event.Enable(IsEditable() && !wxTextEntry::IsEmpty());
}
-void wxComboBox::Remove(long from, long to)
+#if wxUSE_TOOLTIPS
+
+void wxComboBox::DoSetToolTip(wxToolTip *tip)
{
- // Set selection and remove it
- SetSelection(from, to);
- SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0);
+ wxChoice::DoSetToolTip(tip);
+
+ if ( tip && !HasFlag(wxCB_READONLY) )
+ tip->AddOtherWindow(GetEditHWND());
}
-void wxComboBox::SetSelection(long from, long to)
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_UXTHEME
+
+bool wxComboBox::SetHint(const wxString& hintOrig)
{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
- // if from and to are both -1, it means
- // (in wxWindows) that all text should be selected.
- // This translates into Windows convention
- if ((from == -1) && (to == -1))
+ wxString hint(hintOrig);
+ if ( wxUxThemeEngine::GetIfActive() )
{
- fromChar = 0;
- toChar = -1;
+ // 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, " ");
}
- if (
-#ifdef __WIN32__
- SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar))
-#else // Win16
- SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar)
-#endif
- == CB_ERR )
+ 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) )
{
- wxLogDebug(_T("CB_SETEDITSEL failed"));
+ // 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 );
}
-}
-#endif
- // wxUSE_COMBOBOX
+ return tsize;
+}
+#endif // wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff