/////////////////////////////////////////////////////////////////////////////
-// Name: msw/combobox.cpp
+// Name: src/msw/combobox.cpp
// Purpose: wxComboBox class
// Author: Julian Smart
// 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__
-#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/dynlib.h"
+#include "wx/wupdlock.h"
#include "wx/msw/private.h"
+#if wxUSE_UXTHEME
+ #include "wx/msw/uxtheme.h"
+#endif
+
#if wxUSE_TOOLTIPS
- #ifndef __GNUWIN32_OLD__
- #include <commctrl.h>
- #endif
#include "wx/tooltip.h"
#endif // wxUSE_TOOLTIPS
// wxWin macros
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
+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
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_SYSCHAR:
+ case WM_SYSKEYDOWN:
+ case WM_SYSKEYUP:
+ 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( wxT("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") );
+ wxCHECK_MSG( win, 0, wxT("should have a parent") );
- if ( win->GetWindowStyle() & wxPROCESS_ENTER )
+ if ( win->GetWindowStyle() & wxTE_PROCESS_ENTER )
{
// need to return a custom dlg code or we'll never get it
return DLGC_WANTMESSAGE;
}
}
break;
-#endif // 0
-
- // deal with tooltips here
-#if wxUSE_TOOLTIPS
- case WM_NOTIFY:
- {
- wxCHECK_MSG( win, 0, _T("should have a parent") );
-
- NMHDR* hdr = (NMHDR *)lParam;
- if ( (int)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
}
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
- )
+// ----------------------------------------------------------------------------
+// wxComboBox callbacks
+// ----------------------------------------------------------------------------
+
+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
+ // 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 )
{
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif // wxUSE_CTL3D
+ 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;
- HDC hdc = (HDC)pDC;
- if (GetParent()->GetTransparentBackground())
- SetBkMode(hdc, TRANSPARENT);
- else
- SetBkMode(hdc, OPAQUE);
+ long fromOld, toOld;
+ GetSelection(&fromOld, &toOld);
- wxColour colBack = GetBackgroundColour();
+ // 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();
- if (!IsEnabled())
- colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+ // eliminate flickering during following hacks
+ wxWindowUpdateLocker lock(this);
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
+ WXLRESULT result = wxChoice::MSWWindowProc(nMsg, wParam, lParam);
- wxBrush *brush = wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
+ if ( !textOld.empty() && GetValue() != textOld )
+ SetLabel(textOld);
- return (WXHBRUSH)brush->GetResourceHandle();
-}
+ long fromNew, toNew;
+ GetSelection(&fromNew, &toNew);
-// ----------------------------------------------------------------------------
-// wxComboBox
-// ----------------------------------------------------------------------------
+ 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)
{
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 )
+ {
+ if (SendMessage(GetHwnd(), CB_GETDROPPEDSTATE, 0, 0))
+ return false;
+
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+
+ const int sel = GetSelection();
+ event.SetInt(sel);
+ event.SetString(GetValue());
+ InitCommandEventWithItems(event, sel);
+
+ 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
+
+ case WM_SYSCHAR:
+ return HandleChar(wParam, lParam);
+
+ case WM_SYSKEYDOWN:
case WM_KEYDOWN:
return HandleKeyDown(wParam, lParam);
+ case WM_SYSKEYUP:
case WM_KEYUP:
return HandleKeyUp(wParam, lParam);
+
+ case WM_SETFOCUS:
+ return HandleSetFocus((WXHWND)wParam);
+
+ case WM_KILLFOCUS:
+ return HandleKillFocus((WXHWND)wParam);
+
+ case WM_CUT:
+ case WM_COPY:
+ case WM_PASTE:
+ return HandleClipboardEvent(msg);
}
- 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();
+ if ( m_lastAcceptedSelection == -1 )
{
- value = GetString(sel);
+ // but unlike with wxChoice we may have no selection but still
+ // have some text and we should avoid erasing it if the drop
+ // down is cancelled (see #8474)
+ m_lastAcceptedSelection = wxID_NONE;
+ }
+ {
+ wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
+ event.SetEventObject(this);
+ ProcessCommand(event);
+ }
+ break;
+ case CBN_CLOSEUP:
+ {
+ 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.wx_str());
+ {
wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId());
event.SetInt(sel);
- event.SetEventObject(this);
event.SetString(value);
+ InitCommandEventWithItems(event, sel);
+
ProcessCommand(event);
}
- else
- {
- break;
- }
// fall through: for compability 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 )
{
- // 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);
- event.SetEventObject(this);
+
+ // if sel != -1, value was already initialized above
+ if ( sel == -1 )
+ {
+ value = wxGetWindowText(GetHwnd());
+ }
+
+ event.SetString(value);
+ InitCommandEventWithItems(event, sel);
+
ProcessCommand(event);
}
break;
+
+ default:
+ return wxChoice::MSWCommand(param, id);
+ }
+
+ // skip wxChoice version as it would generate its own events for
+ // CBN_SELENDOK and also interfere with our handling of CBN_DROPDOWN
+ return true;
+}
+
+bool wxComboBox::MSWShouldPreProcessMessage(WXMSG *pMsg)
+{
+ // 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
+{
+#if wxUSE_DYNLIB_CLASS
+#if defined(WINVER) && WINVER >= 0x0500
+ typedef BOOL (WINAPI *GetComboBoxInfo_t)(HWND, COMBOBOXINFO*);
+ static GetComboBoxInfo_t s_pfnGetComboBoxInfo = NULL;
+ static bool s_triedToLoad = false;
+ if ( !s_triedToLoad )
+ {
+ s_triedToLoad = true;
+ wxLoadedDLL dllUser32("user32.dll");
+ wxDL_INIT_FUNC(s_pfn, GetComboBoxInfo, dllUser32);
}
- // there is no return value for the CBN_ notifications, so always return
- // FALSE from here to pass the message to DefWindowProc()
- return FALSE;
+ if ( s_pfnGetComboBoxInfo )
+ {
+ WinStruct<COMBOBOXINFO> info;
+ (*s_pfnGetComboBoxInfo)(GetHwnd(), &info);
+ return info.hwndItem;
+ }
+#endif // WINVER >= 0x0500
+#endif // wxUSE_DYNLIB_CLASS
+
+ 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 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() )
+ // 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,
+ const wxSize& size,
+ int n, const wxString choices[],
+ long style,
+ const wxValidator& validator,
+ const wxString& name)
+{
+ // 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);
+
+ // 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) )
{
- wxFAIL_MSG(_T("not read only combobox without edit control?"));
+ gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(), wxComboEditWndProc);
}
- return (WXHWND)hwndEdit;
+ // 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,
- int n, const wxString choices[],
+ const wxArrayString& choices,
long style,
const wxValidator& validator,
const wxString& name)
{
- // first create wxWin object
- if ( !CreateControl(parent, id, pos, size, style, validator, name) )
- return FALSE;
+ 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 if ( style & wxCB_SIMPLE )
msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
+#endif
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
+// ----------------------------------------------------------------------------
- SetSize(pos.x, pos.y, size.x, size.y);
+wxString wxComboBox::GetValue() const
+{
+ return HasFlag(wxCB_READONLY) ? GetStringSelection()
+ : wxTextEntry::GetValue();
+}
- // 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));
+void wxComboBox::SetValue(const wxString& value)
+{
+ if ( HasFlag(wxCB_READONLY) )
+ SetStringSelection(value);
+ else
+ wxTextEntry::SetValue(value);
+}
- for ( int i = 0; i < n; i++ )
- {
- Append(choices[i]);
- }
+void wxComboBox::Clear()
+{
+ wxChoice::Clear();
+ if ( !HasFlag(wxCB_READONLY) )
+ wxTextEntry::Clear();
+}
- if ( !value.IsEmpty() )
+void wxComboBox::GetSelection(long *from, long *to) const
+{
+ if ( !HasFlag(wxCB_READONLY) )
{
- SetValue(value);
+ wxTextEntry::GetSelection(from, to);
}
-
- // 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) )
+ else // text selection doesn't make sense for read only comboboxes
{
- gs_wndprocEdit = (WXFARPROC)::SetWindowLong
- (
- (HWND)GetEditHWND(),
- GWL_WNDPROC,
- (LPARAM)wxComboEditWndProc
- );
+ if ( from )
+ *from = -1;
+ if ( to )
+ *to = -1;
}
+}
- return TRUE;
+bool wxComboBox::IsEditable() const
+{
+ return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable();
}
-// TODO: update and clear all this horrible mess (VZ)
+// ----------------------------------------------------------------------------
+// standard event handling
+// ----------------------------------------------------------------------------
-void wxComboBox::SetValue(const wxString& value)
+void wxComboBox::OnCut(wxCommandEvent& WXUNUSED(event))
{
- // 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);
+ Cut();
}
-// Clipboard operations
-void wxComboBox::Copy()
+void wxComboBox::OnCopy(wxCommandEvent& WXUNUSED(event))
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_COPY, 0, 0L);
+ Copy();
}
-void wxComboBox::Cut()
+void wxComboBox::OnPaste(wxCommandEvent& WXUNUSED(event))
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_CUT, 0, 0L);
+ Paste();
}
-void wxComboBox::Paste()
+void wxComboBox::OnUndo(wxCommandEvent& WXUNUSED(event))
{
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, WM_PASTE, 0, 0L);
+ Undo();
}
-void wxComboBox::SetEditable(bool WXUNUSED(editable))
+void wxComboBox::OnRedo(wxCommandEvent& WXUNUSED(event))
{
- // Can't implement in MSW?
-// HWND hWnd = GetHwnd();
-// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
+ Redo();
}
-void wxComboBox::SetInsertionPoint(long pos)
+void wxComboBox::OnDelete(wxCommandEvent& WXUNUSED(event))
{
- 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)_T(""));
- }
-#endif // __WIN32__
+ 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();
-
- // 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);
-
- return (long)(lineLength);
+ event.Enable( CanCopy() );
}
-void wxComboBox::Replace(long from, long to, const wxString& value)
+void wxComboBox::OnUpdatePaste(wxUpdateUIEvent& event)
{
-#if wxUSE_CLIPBOARD
- Remove(from, to);
-
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0);
+ event.Enable( CanPaste() );
+}
- // Paste into edit control
- SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L);
-#endif
+void wxComboBox::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( IsEditable() && CanUndo() );
}
-void wxComboBox::Remove(long from, long to)
+void wxComboBox::OnUpdateRedo(wxUpdateUIEvent& event)
{
- // Set selection and remove it
- SetSelection(from, to);
- SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0);
+ event.Enable( IsEditable() && CanRedo() );
}
-void wxComboBox::SetSelection(long from, long to)
+void wxComboBox::OnUpdateDelete(wxUpdateUIEvent& event)
{
- 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))
- {
- fromChar = 0;
- toChar = -1;
- }
+ event.Enable(IsEditable() && HasSelection());
+}
- 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 )
- {
- wxLogDebug(_T("CB_SETEDITSEL failed"));
- }
+void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
+{
+ event.Enable(IsEditable() && !wxTextEntry::IsEmpty());
}
-void wxComboBox::DoMoveWindow(int x, int y, int width, int height)
+void wxComboBox::MSWDoPopupOrDismiss(bool show)
{
- // here is why this is necessary: if the width is negative, the combobox
- // window proc makes the window of the size width*height instead of
- // interpreting height in the usual manner (meaning the height of the drop
- // down list - usually the height specified in the call to MoveWindow()
- // will not change the height of combo box per se)
+ wxASSERT_MSG( !HasFlag(wxCB_SIMPLE),
+ wxT("can't popup/dismiss the list for simple combo box") );
+
+ // we *must* set focus to the combobox before showing or hiding the drop
+ // down as without this we get WM_LBUTTONDOWN messages with invalid HWND
+ // when hiding it (whether programmatically or manually) resulting in a
+ // crash when we pass them to IsDialogMessage()
//
- // this behaviour is not documented anywhere, but this is just how it is
- // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without
- // the check, constraints/sizers using combos may break the height
- // constraint will have not at all the same value as expected
- if ( width < 0 )
- return;
+ // this can be seen in the combo page of the widgets sample under Windows 7
+ SetFocus();
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ ::SendMessage(GetHwnd(), CB_SHOWDROPDOWN, show, 0);
+}
- // what should the height of the drop down list be? we choose 10 items by
- // default and also 10 items max (if we always use n, the list will never
- // have vertical scrollbar)
- int n = GetCount();
- if ( !n || (n > 10) )
- n = 10;
+#if wxUSE_TOOLTIPS
- height = (n + 1)* EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+void wxComboBox::DoSetToolTip(wxToolTip *tip)
+{
+ wxChoice::DoSetToolTip(tip);
- wxControl::DoMoveWindow(x, y, width, height);
+ if ( tip && !HasFlag(wxCB_READONLY) )
+ tip->Add(GetEditHWND());
}
-wxSize wxComboBox::DoGetBestSize() const
-{
- // the choice calculates the horz size correctly, but not the vertical
- // component: correct it
- wxSize size = wxChoice::DoGetBestSize();
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_UXTHEME
- int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
- size.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+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 size;
+ return wxTextEntry::SetHint(hint);
}
-#endif
- // wxUSE_COMBOBOX
+#endif // wxUSE_UXTHEME
+#endif // wxUSE_COMBOBOX
projects / wxWidgets.git / blobdiff