mirror of https://github.com/PCSX2/pcsx2.git
220 lines
7.4 KiB
C++
220 lines
7.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/subwin.h
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// Purpose: helper for implementing the controls with subwindows
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 2004-12-11
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// Copyright: (c) 2004 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_SUBWIN_H_
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#define _WX_MSW_SUBWIN_H_
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#include "wx/msw/private.h"
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// ----------------------------------------------------------------------------
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// wxSubwindows contains all HWNDs making part of a single wx control
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_CORE wxSubwindows
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{
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public:
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// the number of subwindows can be specified either as parameter to ctor or
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// later in Create()
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wxSubwindows(size_t n = 0) { Init(); if ( n ) Create(n); }
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// allocate enough space for the given number of windows
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void Create(size_t n)
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{
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wxASSERT_MSG( !m_hwnds, wxT("Create() called twice?") );
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m_count = n;
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m_hwnds = (HWND *)calloc(n, sizeof(HWND));
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m_ids = new wxWindowIDRef[n];
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}
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// non-virtual dtor, this class is not supposed to be used polymorphically
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~wxSubwindows()
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{
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] )
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::DestroyWindow(m_hwnds[n]);
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}
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free(m_hwnds);
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delete [] m_ids;
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}
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// get the number of subwindows
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size_t GetCount() const { return m_count; }
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// access a given window
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HWND& Get(size_t n)
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{
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wxASSERT_MSG( n < m_count, wxT("subwindow index out of range") );
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return m_hwnds[n];
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}
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HWND operator[](size_t n) const
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{
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return const_cast<wxSubwindows *>(this)->Get(n);
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}
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// initialize the given window: id will be stored in wxWindowIDRef ensuring
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// that it is not reused while this object exists
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void Set(size_t n, HWND hwnd, wxWindowID id)
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{
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wxASSERT_MSG( n < m_count, wxT("subwindow index out of range") );
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m_hwnds[n] = hwnd;
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m_ids[n] = id;
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}
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// check if we have this window
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bool HasWindow(HWND hwnd)
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{
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] == hwnd )
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return true;
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}
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return false;
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}
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// methods which are forwarded to all subwindows
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// ---------------------------------------------
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// show/hide everything
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void Show(bool show)
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{
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int sw = show ? SW_SHOW : SW_HIDE;
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] )
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::ShowWindow(m_hwnds[n], sw);
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}
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}
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// enable/disable everything
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void Enable(bool enable)
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{
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] )
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::EnableWindow(m_hwnds[n], enable);
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}
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}
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// set font for all windows
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void SetFont(const wxFont& font)
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{
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HFONT hfont = GetHfontOf(font);
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wxCHECK_RET( hfont, wxT("invalid font") );
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] )
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{
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::SendMessage(m_hwnds[n], WM_SETFONT, (WPARAM)hfont, 0);
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// otherwise the window might not be redrawn correctly
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::InvalidateRect(m_hwnds[n], NULL, FALSE /* don't erase bg */);
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}
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}
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}
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// find the bounding box for all windows
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wxRect GetBoundingBox() const
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{
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wxRect r;
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for ( size_t n = 0; n < m_count; n++ )
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{
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if ( m_hwnds[n] )
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{
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RECT rc;
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::GetWindowRect(m_hwnds[n], &rc);
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r.Union(wxRectFromRECT(rc));
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}
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}
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return r;
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}
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private:
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void Init()
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{
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m_count = 0;
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m_hwnds = NULL;
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m_ids = NULL;
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}
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// number of elements in m_hwnds array
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size_t m_count;
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// the HWNDs we contain
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HWND *m_hwnds;
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// the IDs of the windows
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wxWindowIDRef *m_ids;
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wxDECLARE_NO_COPY_CLASS(wxSubwindows);
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};
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// convenient macro to forward a few methods which are usually propagated to
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// subwindows to a wxSubwindows object
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//
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// parameters should be:
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// - cname the name of the class implementing these methods
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// - base the name of its base class
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// - subwins the name of the member variable of type wxSubwindows *
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#define WX_FORWARD_STD_METHODS_TO_SUBWINDOWS(cname, base, subwins) \
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bool cname::ContainsHWND(WXHWND hWnd) const \
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{ \
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return subwins && subwins->HasWindow((HWND)hWnd); \
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} \
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\
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bool cname::Show(bool show) \
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{ \
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if ( !base::Show(show) ) \
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return false; \
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\
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if ( subwins ) \
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subwins->Show(show); \
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\
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return true; \
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} \
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\
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bool cname::Enable(bool enable) \
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{ \
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if ( !base::Enable(enable) ) \
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return false; \
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\
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if ( subwins ) \
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subwins->Enable(enable); \
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\
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return true; \
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} \
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\
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bool cname::SetFont(const wxFont& font) \
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{ \
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if ( !base::SetFont(font) ) \
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return false; \
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\
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if ( subwins ) \
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subwins->SetFont(font); \
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\
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return true; \
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}
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#endif // _WX_MSW_SUBWIN_H_
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