// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "combobox.h"
#endif
#ifndef WX_PRECOMP
#include "wx/settings.h"
#include "wx/log.h"
+ // for wxEVT_COMMAND_TEXT_ENTER
+ #include "wx/textctrl.h"
#endif
#include "wx/combobox.h"
// 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
// ----------------------------------------------------------------------------
// function prototypes
// ---------------------------------------------------------------------------
// the pointer to standard radio button wnd proc
-static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL;
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;
// ============================================================================
// implementation
switch ( message )
{
- // forward some messages to the combobox
+ // 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);
- wxCHECK_MSG( combo, 0, _T("should have combo as parent") );
-
- if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+ 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;
-#if 0
case WM_GETDLGCODE:
{
wxCHECK_MSG( win, 0, _T("should have a parent") );
}
}
break;
-#endif // 0
// deal with tooltips here
#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)
wxCHECK_MSG( win, 0, _T("should have a parent") );
NMHDR* hdr = (NMHDR *)lParam;
- if ( (int)hdr->code == TTN_NEEDTEXT )
+ if ( hdr->code == TTN_NEEDTEXT )
{
wxToolTip *tooltip = win->GetToolTip();
if ( tooltip )
return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
}
-WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-#if wxUSE_CTL3D
- WXUINT message,
- WXWPARAM wParam,
- WXLPARAM lParam
-#else
- WXUINT WXUNUSED(message),
- WXWPARAM WXUNUSED(wParam),
- WXLPARAM WXUNUSED(lParam)
-#endif
- )
+WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC,
+ WXHWND WXUNUSED(pWnd),
+ WXUINT WXUNUSED(nCtlColor),
+ WXUINT WXUNUSED(message),
+ WXWPARAM WXUNUSED(wParam),
+ WXLPARAM WXUNUSED(lParam))
{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif // wxUSE_CTL3D
-
HDC hdc = (HDC)pDC;
- if (GetParent()->GetTransparentBackground())
- SetBkMode(hdc, TRANSPARENT);
- else
- SetBkMode(hdc, OPAQUE);
-
wxColour colBack = GetBackgroundColour();
if (!IsEnabled())
- colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+ colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
::SetBkColor(hdc, wxColourToRGB(colBack));
::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
}
// ----------------------------------------------------------------------------
-// wxComboBox
+// wxComboBox callbacks
// ----------------------------------------------------------------------------
+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)
+ switch ( nMsg )
+ {
+ // we have to handle both: one for the normal case and the other for
+ // wxCB_READONLY
+ case WM_CTLCOLOREDIT:
+ case WM_CTLCOLORSTATIC:
+ WXWORD nCtlColor;
+ WXHDC hdc;
+ WXHWND hwnd;
+ UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
+
+ return (WXLRESULT)OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+ }
+
+ return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+}
+
bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
{
switch ( msg )
{
case WM_CHAR:
- return HandleChar(wParam, lParam, TRUE /* isASCII */);
+ // for compatibility with wxTextCtrl, generate a special message
+ // 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);
+ }
+
+ 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);
}
- return FALSE;
+ return false;
}
bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
{
case CBN_SELCHANGE:
sel = GetSelection();
- if ( sel > -1 )
+
+ // 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 )
{
- value = GetString(sel);
+ 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);
event.SetEventObject(this);
- event.SetString(value);
+ event.SetString(m_value);
ProcessCommand(event);
}
- else
+ else // no valid selection
{
+ m_selectionOld = sel;
+
+ // hence no EVT_TEXT neither
break;
}
case CBN_EDITCHANGE:
{
+ 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)
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
- event.SetString(sel == -1 ? GetValue() : value);
+ if ( sel == -1 )
+ {
+ m_value = wxGetWindowText(GetHwnd());
+ }
+ 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);
+ }
+ }
+
+ event.SetString(m_value);
event.SetEventObject(this);
ProcessCommand(event);
}
}
// there is no return value for the CBN_ notifications, so always return
- // FALSE from here to pass the message to DefWindowProc()
- return FALSE;
+ // false from here to pass the message to DefWindowProc()
+ return false;
}
WXHWND wxComboBox::GetEditHWND() const
return (WXHWND)hwndEdit;
}
+// ----------------------------------------------------------------------------
+// wxComboBox creation
+// ----------------------------------------------------------------------------
+
bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
const wxString& value,
const wxPoint& pos,
const wxValidator& validator,
const wxString& name)
{
- // first create wxWin object
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
-
- // 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;
- else if ( style & wxCB_SIMPLE )
- msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
- else
- msStyle |= CBS_DROPDOWN;
+ // 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;
+
+ 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);
- if ( style & wxCB_SORT )
- msStyle |= CBS_SORT;
+ // 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);
+ }
- if ( style & wxCLIP_SIBLINGS )
- msStyle |= WS_CLIPSIBLINGS;
+ // and finally, show the control
+ Show(true);
+ return true;
+}
- // and now create the MSW control
- if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
- return FALSE;
+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);
+}
- SetSize(pos.x, pos.y, size.x, size.y);
+WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ // we never have an external border
+ WXDWORD msStyle = wxChoice::MSWGetStyle
+ (
+ (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+ );
- // A choice/combobox normally has a white background (or other, depending
- // on global settings) rather than inheriting the parent's background colour.
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ // remove the style always added by wxChoice
+ msStyle &= ~CBS_DROPDOWNLIST;
- for ( int i = 0; i < n; i++ )
- {
- Append(choices[i]);
- }
+ if ( style & wxCB_READONLY )
+ msStyle |= CBS_DROPDOWNLIST;
+#ifndef __WXWINCE__
+ else if ( style & wxCB_SIMPLE )
+ msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
+#endif
+ else
+ msStyle |= CBS_DROPDOWN;
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
+ // there is no reason to not always use CBS_AUTOHSCROLL, so do use it
+ msStyle |= CBS_AUTOHSCROLL;
- // 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 = (WXFARPROC)::SetWindowLong
- (
- (HWND)GetEditHWND(),
- GWL_WNDPROC,
- (LPARAM)wxComboEditWndProc
- );
- }
+ // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why?
- return TRUE;
+ return msStyle;
}
-// TODO: update and clear all this horrible mess (VZ)
+// ----------------------------------------------------------------------------
+// wxComboBox text control-like methods
+// ----------------------------------------------------------------------------
void wxComboBox::SetValue(const wxString& value)
{
- // If newlines are denoted by just 10, must stick 13 in front.
- int singletons = 0;
- int len = value.Length();
- int i;
- for (i = 0; i < len; i ++)
- {
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- singletons ++;
- }
- if (singletons > 0)
- {
- wxChar *tmp = new wxChar[len + singletons + 1];
- int j = 0;
- for (i = 0; i < len; i ++)
- {
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- {
- tmp[j] = 13;
- j ++;
- }
- tmp[j] = value[i];
- j ++;
- }
- tmp[j] = 0;
- SetWindowText(GetHwnd(), tmp);
- delete[] tmp;
- }
- else
- SetWindowText(GetHwnd(), value);
+ if ( HasFlag(wxCB_READONLY) )
+ SetStringSelection(value);
+ else
+ SetWindowText(GetHwnd(), value.c_str());
+
+ m_value = value;
+ m_selectionOld = GetSelection();
}
// Clipboard operations
void wxComboBox::Copy()
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_COPY, 0, 0L);
+ SendMessage(GetHwnd(), WM_COPY, 0, 0L);
}
void wxComboBox::Cut()
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_CUT, 0, 0L);
+ SendMessage(GetHwnd(), WM_CUT, 0, 0L);
}
void wxComboBox::Paste()
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
+ SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
}
void wxComboBox::SetEditable(bool WXUNUSED(editable))
// 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)_T(""));
+ SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM) wxEmptyString);
}
#endif // __WIN32__
}
long fromChar = from;
long toChar = to;
// if from and to are both -1, it means
- // (in wxWindows) that all text should be selected.
+ // (in wxWidgets) that all text should be selected.
// This translates into Windows convention
if ((from == -1) && (to == -1))
{
toChar = -1;
}
- 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 )
+ if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )
{
wxLogDebug(_T("CB_SETEDITSEL failed"));
}
}
-#endif
- // wxUSE_COMBOBOX
+#endif // wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff