/////////////////////////////////////////////////////////////////////////////
-// Name: combobox.cpp
+// Name: src/os2/combobox.cpp
// Purpose: wxComboBox class
// Author: David Webster
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#include "wx/combobox.h"
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#ifndef WX_PRECOMP
-#include "wx/setup.h"
-#endif
-
#if wxUSE_COMBOBOX
#include "wx/combobox.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/settings.h"
+#endif
+
#include "wx/clipbrd.h"
#include "wx/os2/private.h"
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
-#endif
+#define OWNER_DRAWN_LISTBOX_EXTRA_SPACE (1)
-bool wxComboBox::OS2Command(WXUINT param, WXWORD WXUNUSED(id))
-{
- // TODO:
- /*
- if (param == CBN_SELCHANGE)
- {
- wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId);
- event.SetInt(GetSelection());
- event.SetEventObject(this);
- event.SetString(GetStringSelection());
- ProcessCommand(event);
-
- return TRUE;
- }
- else if (param == CBN_EDITCHANGE)
- {
- wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
- event.SetString(GetValue());
- event.SetEventObject(this);
- ProcessCommand(event);
-
- return TRUE;
- }
- else
- return FALSE;
-*/
- return FALSE;
-}
+MRESULT EXPENTRY wxComboEditWndProc( HWND hWnd
+ ,UINT uMessage
+ ,MPARAM wParam
+ ,MPARAM lParam
+ );
+//
+// The pointer to standard wnd proc
+//
+static WXFARPROC gfnWndprocEdit = (WXFARPROC)NULL;
-bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
- const wxString& value,
- const wxPoint& pos,
- const wxSize& size,
- int n, const wxString choices[],
- long style,
-#if wxUSE_VALIDATORS
- const wxValidator& validator,
-#endif
- const wxString& name)
+bool wxComboBox::OS2Command( WXUINT uParam, WXWORD WXUNUSED(wId) )
{
- SetName(name);
-#if wxUSE_VALIDATORS
- SetValidator(validator);
-#endif
- if (parent) parent->AddChild(this);
- SetBackgroundColour(parent->GetBackgroundColour()) ;
- SetForegroundColour(parent->GetForegroundColour()) ;
-
- m_windowStyle = style;
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
-
- int x = pos.x;
- int y = pos.y;
- int width = size.x;
- int height = size.y;
-// TODO:
-/*
- long msStyle = WS_CHILD | WS_TABSTOP | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL |
- CBS_NOINTEGRALHEIGHT;
-
- if (m_windowStyle & wxCB_READONLY)
- msStyle |= CBS_DROPDOWNLIST;
- else if (m_windowStyle & wxCB_SIMPLE)
- msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
- else
- msStyle |= CBS_DROPDOWN;
-
- if (m_windowStyle & wxCB_SORT)
- msStyle |= CBS_SORT;
-
- bool want3D;
- WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
-
- // Even with extended styles, need to combine with WS_BORDER
- // for them to look right.
- if ( want3D || wxStyleHasBorder(m_windowStyle) )
- msStyle |= WS_BORDER;
-
- m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("COMBOBOX"), NULL,
- msStyle,
- 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
- wxGetInstance(), NULL);
-
- wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create combobox") );
-
- // Subclass again for purposes of dialog editing mode
- SubclassWin(m_hWnd);
-
- SetFont(parent->GetFont());
- int i;
- for (i = 0; i < n; i++)
- {
- Append(choices[i]);
- }
-
- SetSelection(i);
-
- SetSize(x, y, width, height);
- if ( !value.IsEmpty() )
- {
- SetValue(value);
- }
-*/
- return TRUE;
-}
+ long lSel = GetSelection();
+ wxString sValue;
-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 ++)
+ switch (uParam)
{
- if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
- {
- tmp[j] = 13;
- j ++;
- }
- tmp[j] = value[i];
- j ++;
+ case CBN_LBSELECT:
+ if (lSel > -1)
+ {
+ wxCommandEvent vEvent( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
+
+ vEvent.SetInt(lSel);
+ vEvent.SetEventObject(this);
+ vEvent.SetString(GetStringSelection());
+
+ ProcessCommand(vEvent);
+ }
+ break;
+
+ case CBN_EFCHANGE:
+ {
+ wxCommandEvent vEvent( wxEVT_COMMAND_TEXT_UPDATED, GetId() );
+
+ if (lSel == -1L)
+ sValue = GetValue();
+ else
+ sValue = GetStringSelection();
+ vEvent.SetString(sValue);
+ vEvent.SetEventObject(this);
+ ProcessCommand(vEvent);
+ }
+ break;
}
- tmp[j] = 0;
-// SetWindowText(GetHwnd(), tmp);
- delete[] tmp;
- }
-// else
-// SetWindowText(GetHwnd(), value);
-}
-
-// Clipboard operations
-void wxComboBox::Copy()
+ //
+ // There is no return value for the CBN_ notifications, so always return
+ // false from here to pass the message to DefWindowProc()
+ //
+ return false;
+} // end of wxComboBox::OS2Command
+
+bool wxComboBox::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxString& rsValue
+, const wxPoint& rPos
+, const wxSize& rSize
+, const wxArrayString& asChoices
+, long lStyle
+, const wxValidator& rValidator
+, const wxString& rsName
+)
{
- HWND hWnd = GetHwnd();
-// SendMessage(hWnd, WM_COPY, 0, 0L);
-}
-
-void wxComboBox::Cut()
-{
- HWND hWnd = GetHwnd();
-// SendMessage(hWnd, WM_CUT, 0, 0L);
-}
+ wxCArrayString chs(asChoices);
-void wxComboBox::Paste()
-{
- HWND hWnd = GetHwnd();
-// SendMessage(hWnd, WM_PASTE, 0, 0L);
+ return Create(pParent, vId, rsValue, rPos, rSize, chs.GetCount(),
+ chs.GetStrings(), lStyle, rValidator, rsName);
}
-void wxComboBox::SetEditable(bool editable)
+bool wxComboBox::Create(
+ wxWindow* pParent
+, wxWindowID vId
+, const wxString& rsValue
+, const wxPoint& rPos
+, const wxSize& rSize
+, int n
+, const wxString asChoices[]
+, long lStyle
+, const wxValidator& rValidator
+, const wxString& rsName
+)
{
- // Can't implement in MSW?
-// HWND hWnd = GetHwnd();
-// SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
-}
+ m_isShown = false;
+
+ if (!CreateControl( pParent
+ ,vId
+ ,rPos
+ ,rSize
+ ,lStyle
+ ,rValidator
+ ,rsName
+ ))
+ return false;
+
+ //
+ // Get the right style
+ //
+ long lSstyle = 0L;
+
+ lSstyle = WS_TABSTOP |
+ WS_VISIBLE;
+
+ // clipping siblings does not yet work
+ // if (lStyle & wxCLIP_SIBLINGS )
+ // lSstyle |= WS_CLIPSIBLINGS;
+ if (lStyle & wxCB_READONLY)
+ lSstyle |= CBS_DROPDOWNLIST;
+ else if (lStyle & wxCB_SIMPLE)
+ lSstyle |= CBS_SIMPLE; // A list (shown always) and edit control
+ else
+ lSstyle |= CBS_DROPDOWN;
+
+
+ if (!OS2CreateControl( wxT("COMBOBOX")
+ ,lSstyle
+ ))
+ return false;
+
+ //
+ // 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));
+
+ for (int i = 0; i < n; i++)
+ {
+ Append(asChoices[i]);
+ }
-void wxComboBox::SetInsertionPoint(long pos)
-{
-/*
- HWND hWnd = GetHwnd();
- SendMessage(hWnd, EM_SETSEL, pos, pos);
- SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
- char *nothing = "";
- SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
-*/
-}
+ SetSize( rPos.x
+ ,rPos.y
+ ,rSize.x
+ ,rSize.y
+ );
-void wxComboBox::SetInsertionPointEnd()
-{
-/*
- long pos = GetLastPosition();
- SetInsertionPoint(pos);
-*/
-}
+ // Set height to use with sizers i.e. without the dropdown listbox
+ wxFont vFont = GetFont();
+ int nEditHeight;
+ wxGetCharSize( GetHWND(), NULL, &nEditHeight, &vFont );
+ nEditHeight = EDIT_HEIGHT_FROM_CHAR_HEIGHT(nEditHeight);
+ SetInitialSize(wxSize(-1,nEditHeight+4)); // +2x2 for the border
-long wxComboBox::GetInsertionPoint() const
+ if (!rsValue.empty())
+ {
+ SetValue(rsValue);
+ }
+ gfnWndprocEdit = (WXFARPROC)::WinSubclassWindow( (HWND)GetHwnd()
+ ,(PFNWP)wxComboEditWndProc
+ );
+ ::WinSetWindowULong(GetHwnd(), QWL_USER, (ULONG)this);
+ Show(true);
+ return true;
+} // end of wxComboBox::Create
+
+wxString wxComboBox::GetValue() const
{
-/*
- DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
- return Pos&0xFFFF;
-*/
- return 0;
+ return HasFlag(wxCB_READONLY) ? GetStringSelection()
+ : wxTextEntry::GetValue();
}
-long wxComboBox::GetLastPosition() const
+void wxComboBox::SetValue(const wxString& value)
{
-/*
- HWND hWnd = GetHwnd();
-
- // Will always return a number > 0 (according to docs)
- int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
-
- // This gets the char index for the _beginning_ of the last line
- int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
-
- // Get number of characters in the last line. We'll add this to the character
- // index for the last line, 1st position.
- int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
-
- return (long)(charIndex + lineLength);
-*/
- return 0;
+ if ( HasFlag(wxCB_READONLY) )
+ SetStringSelection(value);
+ else
+ wxTextEntry::SetValue(value);
}
-void wxComboBox::Replace(long from, long to, const wxString& value)
+void wxComboBox::Clear()
{
-#if wxUSE_CLIPBOARD
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
-
- // Set selection and remove it
-// SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
-// SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
-
- // Now replace with 'value', by pasting.
- wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0);
-
- // Paste into edit control
-// SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
-#endif
+ wxChoice::Clear();
+ if ( !HasFlag(wxCB_READONLY) )
+ wxTextEntry::Clear();
}
-void wxComboBox::Remove(long from, long to)
+bool wxComboBox::IsEditable() const
{
- HWND hWnd = GetHwnd();
- long fromChar = from;
- long toChar = to;
-
- // Cut all selected text
-// SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar);
-// SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
+ return !HasFlag(wxCB_READONLY) && wxTextEntry::IsEditable();
}
-void wxComboBox::SetSelection(long from, long to)
+bool wxComboBox::ProcessEditMsg(
+ WXUINT uMsg
+, WXWPARAM wParam
+, WXLPARAM lParam)
{
- 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))
+ SHORT vFlag;
+ switch (uMsg)
{
- fromChar = 0;
- toChar = -1;
+ case WM_CHAR:
+ vFlag = SHORT1FROMMP(wParam);
+ switch(vFlag)
+ {
+ case KC_CHAR:
+ return (HandleChar( wParam
+ ,lParam
+ ,true /* isASCII */
+ ));
+
+ case KC_PREVDOWN:
+ return (HandleKeyDown( wParam
+ ,lParam
+ ));
+
+ case KC_KEYUP:
+ return (HandleKeyUp( wParam
+ ,lParam
+ ));
+ }
+ break;
+
+ case WM_SETFOCUS:
+ if (SHORT1FROMMP((MPARAM)lParam) == TRUE)
+ return(HandleSetFocus((WXHWND)(HWND)wParam));
+ else
+ return(HandleKillFocus((WXHWND)(HWND)wParam));
}
-
-// SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar);
-// SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
-}
-
-void wxComboBox::DoSetSize(int x, int y,
- int width, int height,
- int sizeFlags)
+ return false;
+} // end of wxComboBox::ProcessEditMsg
+
+MRESULT EXPENTRY wxComboEditWndProc(
+ HWND hWnd
+, UINT uMessage
+, MPARAM wParam
+, MPARAM lParam
+)
{
- wxControl::DoSetSize(x, y, width, height, sizeFlags);
-}
+ switch (uMessage)
+ {
+ //
+ // Forward some messages to the combobox
+ //
+ case WM_SETFOCUS:
+ case WM_CHAR:
+ {
+ wxComboBox* pCombo = (wxComboBox *)::WinQueryWindowULong( hWnd
+ ,QWL_USER
+ );
+
+ if (pCombo->ProcessEditMsg( uMessage
+ ,wParam
+ ,lParam
+ ))
+ return ((MRESULT)0);
+ }
+ break;
+
+ //
+ // TODO: Deal with tooltips here
+ //
+ }
+ return (gfnWndprocEdit(hWnd, (ULONG)uMessage, (MPARAM)wParam, (MPARAM)lParam));
+} // end of wxComboEditWndProc
#endif
// wxUSE_COMBOBOX
-
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