9f76970889
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33274 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
352 lines
11 KiB
C++
352 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: msw/statbox.cpp
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// Purpose: wxStaticBox
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "statbox.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_STATBOX
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/dcclient.h"
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#endif
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#include "wx/statbox.h"
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#include "wx/notebook.h"
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#include "wx/sysopt.h"
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#include "wx/image.h"
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#include "wx/dcmemory.h"
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#include "wx/msw/private.h"
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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#if wxUSE_EXTENDED_RTTI
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WX_DEFINE_FLAGS( wxStaticBoxStyle )
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wxBEGIN_FLAGS( wxStaticBoxStyle )
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// new style border flags, we put them first to
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// use them for streaming out
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wxFLAGS_MEMBER(wxBORDER_SIMPLE)
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wxFLAGS_MEMBER(wxBORDER_SUNKEN)
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wxFLAGS_MEMBER(wxBORDER_DOUBLE)
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wxFLAGS_MEMBER(wxBORDER_RAISED)
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wxFLAGS_MEMBER(wxBORDER_STATIC)
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wxFLAGS_MEMBER(wxBORDER_NONE)
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// old style border flags
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wxFLAGS_MEMBER(wxSIMPLE_BORDER)
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wxFLAGS_MEMBER(wxSUNKEN_BORDER)
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wxFLAGS_MEMBER(wxDOUBLE_BORDER)
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wxFLAGS_MEMBER(wxRAISED_BORDER)
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wxFLAGS_MEMBER(wxSTATIC_BORDER)
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wxFLAGS_MEMBER(wxBORDER)
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// standard window styles
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wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
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wxFLAGS_MEMBER(wxCLIP_CHILDREN)
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wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
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wxFLAGS_MEMBER(wxWANTS_CHARS)
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wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
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wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
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wxFLAGS_MEMBER(wxVSCROLL)
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wxFLAGS_MEMBER(wxHSCROLL)
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wxEND_FLAGS( wxStaticBoxStyle )
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IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBox, wxControl,"wx/statbox.h")
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wxBEGIN_PROPERTIES_TABLE(wxStaticBox)
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wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
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wxPROPERTY_FLAGS( WindowStyle , wxStaticBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
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/*
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TODO PROPERTIES :
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label
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*/
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wxEND_PROPERTIES_TABLE()
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wxBEGIN_HANDLERS_TABLE(wxStaticBox)
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wxEND_HANDLERS_TABLE()
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wxCONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
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#else
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IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
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#endif
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxStaticBox
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// ----------------------------------------------------------------------------
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bool wxStaticBox::Create(wxWindow *parent,
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wxWindowID id,
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const wxString& label,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxString& name)
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{
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if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
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return false;
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if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
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return false;
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#ifndef __WXWINCE__
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Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
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#endif
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return true;
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}
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wxBorder wxStaticBox::GetDefaultBorder() const
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{
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return wxBORDER_NONE;
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}
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WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
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{
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long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);
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// no need for it anymore, must be removed for wxRadioBox child
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// buttons to be able to repaint themselves
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styleWin &= ~WS_CLIPCHILDREN;
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if ( exstyle )
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*exstyle = 0;
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return styleWin | BS_GROUPBOX;
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}
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wxSize wxStaticBox::DoGetBestSize() const
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{
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int cx, cy;
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wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
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int wBox;
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GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);
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wBox += 3*cx;
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int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
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return wxSize(wBox, hBox);
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}
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WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
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{
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#ifndef __WXWINCE__
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if ( nMsg == WM_NCHITTEST )
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{
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// This code breaks some other processing such as enter/leave tracking
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// so it's off by default.
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static int s_useHTClient = -1;
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if (s_useHTClient == -1)
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s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
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if (s_useHTClient == 1)
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{
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int xPos = LOWORD(lParam); // horizontal position of cursor
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int yPos = HIWORD(lParam); // vertical position of cursor
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ScreenToClient(&xPos, &yPos);
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// Make sure you can drag by the top of the groupbox, but let
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// other (enclosed) controls get mouse events also
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if ( yPos < 10 )
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return (long)HTCLIENT;
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}
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}
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#endif // !__WXWINCE__
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return wxControl::MSWWindowProc(nMsg, wParam, lParam);
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}
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void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
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{
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wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther);
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// if not using correct (but backwards cojmpatible) text metrics
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// calculations, we need to add some extra margin or otherwise static box
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// title is clipped
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#if !wxDIALOG_UNIT_COMPATIBILITY
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if ( !GetLabel().empty() )
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*borderTop += GetCharHeight()/3;
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#endif // !wxDIALOG_UNIT_COMPATIBILITY
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}
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// MSWGetRegionWithoutSelf helper: removes the given rectangle from region
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static inline void
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SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom)
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{
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AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom));
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if ( !hrgnRect )
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{
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wxLogLastError(_T("CreateRectRgn()"));
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return;
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}
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::CombineRgn(hrgn, hrgn, hrgnRect, RGN_DIFF);
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}
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void wxStaticBox::MSWGetRegionWithoutSelf(WXHRGN hRgn, int w, int h)
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{
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HRGN hrgn = (HRGN)hRgn;
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// remove the area occupied by the static box borders from the region
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int borderTop, border;
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GetBordersForSizer(&borderTop, &border);
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// top
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SubtractRectFromRgn(hrgn, 0, 0, w, borderTop);
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// bottom
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SubtractRectFromRgn(hrgn, 0, h - border, w, h);
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// left
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SubtractRectFromRgn(hrgn, 0, 0, border, h);
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// right
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SubtractRectFromRgn(hrgn, w - border, 0, w, h);
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}
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WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
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{
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RECT rc;
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::GetWindowRect(GetHwnd(), &rc);
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HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
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// iterate over all child windows (not just wxWindows but all windows)
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for ( HWND child = ::GetWindow(GetHwndOf(GetParent()), GW_CHILD);
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child;
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child = ::GetWindow(child, GW_HWNDNEXT) )
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{
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wxWindow *childWindow = wxGetWindowFromHWND((WXHWND) child);
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// can't just test for (this != child) here since if a wxStaticBox
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// overlaps another wxStaticBox then neither are drawn. The overlapping
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// region will flicker but we shouldn't have overlapping windows anyway.
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if ( !childWindow || !wxDynamicCast(childWindow, wxStaticBox) )
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{
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::GetWindowRect(child, &rc);
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if ( ::RectInRegion(hrgn, &rc) )
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{
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// need to remove WS_CLIPSIBLINGS from all sibling windows
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// that are within this staticbox if set
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LONG style = ::GetWindowLong(child, GWL_STYLE);
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if ( style & WS_CLIPSIBLINGS )
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{
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style &= ~WS_CLIPSIBLINGS;
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::SetWindowLong(child, GWL_STYLE, style);
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// MSDN: "If you have changed certain window data using
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// SetWindowLong, you must call SetWindowPos to have the
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// changes take effect."
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::SetWindowPos(child, NULL, 0, 0, 0, 0,
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SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
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SWP_FRAMECHANGED);
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}
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AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc));
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::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF);
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}
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}
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}
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return (WXHRGN)hrgn;
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}
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// helper for OnPaint()
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void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
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{
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HBRUSH hbr = (HBRUSH)DoMSWControlColor(GetHdcOf(dc), wxNullColour);
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if ( !hbr )
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{
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wxBrush *
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brush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour());
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if ( brush )
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hbr = GetHbrushOf(*brush);
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}
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if ( hbr )
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::FillRect(GetHdcOf(dc), &rc, hbr);
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}
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void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
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{
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wxPaintDC dc(this);
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RECT rc;
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::GetClientRect(GetHwnd(), &rc);
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// draw the entire box in a memory DC, but only blit the bits not redrawn
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// either by our children windows nor by FillRect() painting the background
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// below
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wxMemoryDC memdc;
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wxBitmap bitmap(rc.right, rc.bottom);
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memdc.SelectObject(bitmap);
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PaintBackground(memdc, rc);
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MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0);
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int borderTop, border;
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GetBordersForSizer(&borderTop, &border);
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// top
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dc.Blit(border, 0, rc.right - border, borderTop,
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&memdc, border, 0);
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// bottom
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dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom,
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&memdc, border, rc.bottom - border);
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// left
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dc.Blit(0, 0, border, rc.bottom,
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&memdc, 0, 0);
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// right
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dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
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&memdc, rc.right - border, 0);
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AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren());
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RECT rcWin;
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::GetWindowRect(GetHwnd(), &rcWin);
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::OffsetRgn(hrgn, -rcWin.left, -rcWin.top);
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// now remove the box itself
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MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
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// and paint the inside of the box (excluding child controls)
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::SelectClipRgn(GetHdcOf(dc), hrgn);
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PaintBackground(dc, rc);
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::SelectClipRgn(GetHdcOf(dc), NULL);
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}
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#endif // wxUSE_STATBOX
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