8a005cfb0d
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@27669 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
433 lines
12 KiB
C++
433 lines
12 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: combobox.cpp
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// Purpose: wxComboBox class
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// Author: David Webster
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// Modified by:
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// Created: 10/13/99
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// RCS-ID: $Id$
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// Copyright: (c) David Webster
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/combobox.h"
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/setup.h"
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#include "wx/settings.h"
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#endif
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#if wxUSE_COMBOBOX
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#include "wx/combobox.h"
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#include "wx/clipbrd.h"
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#include "wx/os2/private.h"
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#define OWNER_DRAWN_LISTBOX_EXTRA_SPACE (1)
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MRESULT EXPENTRY wxComboEditWndProc( HWND hWnd
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,UINT uMessage
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,MPARAM wParam
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,MPARAM lParam
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);
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//
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// The pointer to standard wnd proc
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//
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static WXFARPROC gfnWndprocEdit = (WXFARPROC)NULL;
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IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
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bool wxComboBox::OS2Command(
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WXUINT uParam
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, WXWORD WXUNUSED(wId)
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)
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{
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long lSel = -1L;
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wxString sValue;
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switch (uParam)
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{
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case CBN_LBSELECT:
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if (GetSelection() > -1)
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{
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wxCommandEvent vEvent( wxEVT_COMMAND_COMBOBOX_SELECTED
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,GetId()
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);
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vEvent.SetInt(GetSelection());
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vEvent.SetEventObject(this);
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vEvent.SetString((char*)GetStringSelection().c_str());
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ProcessCommand(vEvent);
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}
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break;
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case CBN_EFCHANGE:
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{
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wxCommandEvent vEvent( wxEVT_COMMAND_TEXT_UPDATED
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,GetId()
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);
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if (lSel == -1L)
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sValue = GetValue();
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else
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SetValue(sValue);
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vEvent.SetString((char*)GetValue().c_str());
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vEvent.SetEventObject(this);
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ProcessCommand(vEvent);
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}
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break;
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}
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//
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// There is no return value for the CBN_ notifications, so always return
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// FALSE from here to pass the message to DefWindowProc()
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//
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return FALSE;
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} // end of wxComboBox::OS2Command
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bool wxComboBox::Create(
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wxWindow* pParent
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, wxWindowID vId
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, const wxString& rsValue
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, const wxPoint& rPos
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, const wxSize& rSize
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, int n
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, const wxString asChoices[]
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, long lStyle
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, const wxValidator& rValidator
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, const wxString& rsName
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)
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{
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m_isShown = FALSE;
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if (!CreateControl( pParent
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,vId
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,rPos
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,rSize
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,lStyle
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,rValidator
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,rsName
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))
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return FALSE;
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//
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// Get the right style
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//
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long lSstyle = 0L;
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lSstyle = WS_TABSTOP |
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WS_VISIBLE;
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if (lStyle & wxCLIP_SIBLINGS )
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lSstyle |= WS_CLIPSIBLINGS;
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if (lStyle & wxCB_READONLY)
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lSstyle |= CBS_DROPDOWNLIST;
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else if (lStyle & wxCB_SIMPLE)
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lSstyle |= CBS_SIMPLE; // A list (shown always) and edit control
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else
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lSstyle |= CBS_DROPDOWN;
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if (!OS2CreateControl( "COMBOBOX"
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,lSstyle
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))
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return FALSE;
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//
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// A choice/combobox normally has a white background (or other, depending
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// on global settings) rather than inheriting the parent's background colour.
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//
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SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
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SetFont(*wxSMALL_FONT);
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int i;
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for (i = 0; i < n; i++)
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{
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Append(asChoices[i]);
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}
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SetSize( rPos.x
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,rPos.y
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,rSize.x
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,rSize.y
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);
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if (!rsValue.IsEmpty())
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{
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SetValue(rsValue);
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}
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gfnWndprocEdit = (WXFARPROC)::WinSubclassWindow( (HWND)GetHwnd()
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,(PFNWP)wxComboEditWndProc
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);
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::WinSetWindowULong(GetHwnd(), QWL_USER, (ULONG)this);
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Show(TRUE);
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return TRUE;
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} // end of wxComboBox::Create
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void wxComboBox::SetValue(
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const wxString& rsValue
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)
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{
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if ( HasFlag(wxCB_READONLY) )
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SetStringSelection(rsValue);
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else
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::WinSetWindowText(GetHwnd(), rsValue.c_str());
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} // end of wxComboBox::SetValue
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//
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// Clipboard operations
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//
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void wxComboBox::Copy()
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{
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HWND hWnd = GetHwnd();
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::WinSendMsg(hWnd, EM_COPY, (MPARAM)0, (MPARAM)0);
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} // end of wxComboBox::Copy
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void wxComboBox::Cut()
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{
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HWND hWnd = GetHwnd();
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::WinSendMsg(hWnd, EM_CUT, (MPARAM)0, (MPARAM)0);
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} // end of wxComboBox::Cut
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void wxComboBox::Paste()
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{
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HWND hWnd = GetHwnd();
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::WinSendMsg(hWnd, EM_PASTE, (MPARAM)0, (MPARAM)0);
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} // end of wxComboBox::Paste
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void wxComboBox::SetEditable(
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bool bEditable
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)
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{
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HWND hWnd = GetHwnd();
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::WinSendMsg(hWnd, EM_SETREADONLY, (MPARAM)!bEditable, (MPARAM)0L);
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} // end of wxComboBox::SetEditable
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void wxComboBox::SetInsertionPoint(
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long lPos
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)
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{
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HWND hWnd = GetHwnd();
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::WinSendMsg(hWnd, EM_SETFIRSTCHAR, MPFROMLONG(lPos), (MPARAM)0);
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} // end of wxComboBox::SetInsertionPoint
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void wxComboBox::SetInsertionPointEnd()
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{
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long lPos = GetLastPosition();
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SetInsertionPoint(lPos);
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} // end of wxComboBox::SetInsertionPointEnd
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long wxComboBox::GetInsertionPoint() const
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{
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long lPos = LONGFROMMR(::WinSendMsg( GetHwnd()
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,LM_QUERYSELECTION
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,(MPARAM)0
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,(MPARAM)0
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));
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if (lPos == LIT_NONE)
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return wxNOT_FOUND;
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return lPos;
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} // end of wxComboBox::GetInsertionPoint
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long wxComboBox::GetLastPosition() const
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{
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HWND hEditWnd = GetHwnd();
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long lLineLength = 0L;
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WNDPARAMS vParams;
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//
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// Get number of characters in the last (only) line. We'll add this to the character
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// index for the last line, 1st position.
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//
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vParams.fsStatus = WPM_CCHTEXT;
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if (::WinSendMsg( GetHwnd()
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,WM_QUERYWINDOWPARAMS
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,&vParams
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,0
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))
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{
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lLineLength = (long)vParams.cchText;
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}
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else
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lLineLength = 0L;
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return lLineLength;
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} // end of wxComboBox::GetLastPosition
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void wxComboBox::Replace(
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long lFrom
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, long lTo
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, const wxString& rsValue
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)
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{
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#if wxUSE_CLIPBOARD
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HWND hWnd = GetHwnd();
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long lFromChar = lFrom;
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long lToChar = lTo;
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//
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// Set selection and remove it
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//
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::WinSendMsg(hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), 0);
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::WinSendMsg(hWnd, EM_CUT, (MPARAM)0, (MPARAM)0);
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//
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// Now replace with 'value', by pasting.
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//
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wxSetClipboardData( wxDF_TEXT
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,(wxObject *)rsValue.c_str()
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,0
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,0
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);
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//
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// Paste into edit control
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//
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::WinSendMsg(hWnd, EM_PASTE, (MPARAM)0, (MPARAM)0L);
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#endif
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} // end of wxComboBox::Replace
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void wxComboBox::Remove(
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long lFrom
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, long lTo
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)
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{
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#if wxUSE_CLIPBOARD
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HWND hWnd = GetHwnd();
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long lFromChar = lFrom;
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long lToChar = lTo;
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::WinSendMsg(hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFrom, (USHORT)lTo), 0);
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::WinSendMsg(hWnd, EM_CUT, (MPARAM)0, (MPARAM)0);
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#endif
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} // end of wxComboBox::Remove
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void wxComboBox::SetSelection(
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long lFrom
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, long lTo
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)
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{
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HWND hWnd = GetHwnd();
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long lFromChar = lFrom;
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long lToChar = lTo;
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//
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// If from and to are both -1, it means
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// (in wxWindows) that all text should be selected.
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// This translates into Windows convention
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//
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if ((lFrom == -1L) && (lTo == -1L))
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{
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lFromChar = 0;
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lToChar = -1;
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}
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::WinSendMsg( hWnd
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,EM_SETSEL
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,MPFROM2SHORT((USHORT)lFromChar, (USHORT)lToChar)
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,(MPARAM)0
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);
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} // end of wxComboBox::SetSelection
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void wxComboBox::DoSetSize(
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int nX
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, int nY
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, int nWidth
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, int nHeight
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, int nSizeFlags
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)
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{
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wxControl::DoSetSize( nX
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,nY
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,nWidth
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,nHeight
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,nSizeFlags
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);
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} // end of wxComboBox::DoSetSize
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bool wxComboBox::ProcessEditMsg(
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WXUINT uMsg
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, WXWPARAM wParam
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, WXLPARAM lParam)
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{
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SHORT vFlag;
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switch (uMsg)
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{
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case WM_CHAR:
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vFlag = SHORT1FROMMP(wParam);
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switch(vFlag)
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{
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case KC_CHAR:
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return (HandleChar( wParam
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,lParam
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,TRUE /* isASCII */
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));
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case KC_PREVDOWN:
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return (HandleKeyDown( wParam
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,lParam
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));
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case KC_KEYUP:
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return (HandleKeyUp( wParam
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,lParam
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));
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}
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break;
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case WM_SETFOCUS:
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if (SHORT1FROMMP((MPARAM)lParam) == TRUE)
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return(HandleSetFocus((WXHWND)(HWND)wParam));
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else
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return(HandleKillFocus((WXHWND)(HWND)wParam));
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break;
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}
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return FALSE;
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} // end of WinGuiBase_CComboBox::ProcessEditMsg
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MRESULT EXPENTRY wxComboEditWndProc(
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HWND hWnd
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, UINT uMessage
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, MPARAM wParam
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, MPARAM lParam
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)
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{
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switch (uMessage)
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{
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//
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// Forward some messages to the combobox
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//
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case WM_SETFOCUS:
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case WM_CHAR:
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{
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wxComboBox* pCombo = (wxComboBox *)::WinQueryWindowULong( hWnd
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,QWL_USER
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);
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if (pCombo->ProcessEditMsg( uMessage
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,wParam
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,lParam
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))
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return ((MRESULT)0);
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}
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break;
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//
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// TODO: Deal with tooltips here
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//
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}
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return (gfnWndprocEdit(hWnd, (ULONG)uMessage, (MPARAM)wParam, (MPARAM)lParam));
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} // end of wxComboEditWndProc
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#endif
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// wxUSE_COMBOBOX
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