Applied patch [ 573644 ] wxDisplay for Mac (again)
Applied patch [ 573172 ] Implements wxDisplay for mac Applied patch [ 573356 ] wxDisplay for MSW Alterations: Put sample in regular samples, not contrib Removed multimon.h for copyright reasons git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16217 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
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src/msw/display.cpp
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232
src/msw/display.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: display.cpp
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// Purpose: MSW Implementation of wxDisplay class
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// Author: Royce Mitchell III
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// Modified by:
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// Created: 06/21/02
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// RCS-ID: $Id$
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// Copyright: (c) wxWindows team
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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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#ifdef __GNUG__
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#pragma implementation "display.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_DISPLAY
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#ifndef WX_PRECOMP
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#include "wx/dynarray.h"
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#endif
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#include "wx/display.h"
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// the following define is necessary to access the multi-monitor function
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// declarations in a manner safe to use w/ Windows 95
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// JACS: not used for now until we're clear about the legality
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// of distributing multimon.h. Meanwhile you can download the file
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// yourself from:
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// http://www.microsoft.com/msj/0697/monitor/monitortextfigs.htm#fig4
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#if 0
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#define COMPILE_MULTIMON_STUBS
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#include "wx/msw/multimon.h"
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#endif
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// ---------------------------------------------------------------------------
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// constants
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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// private functions
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// ---------------------------------------------------------------------------
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void wxmswInitDisplayRectArray();
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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class wxmswDisplayInfo;
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WX_DECLARE_OBJARRAY(wxmswDisplayInfo, wxmswDisplayInfoArray);
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class wxmswDisplayInfo
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{
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public:
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HMONITOR m_hmon;
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DISPLAY_DEVICE m_dd;
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wxRect m_rect;
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int m_depth;
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};
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wxmswDisplayInfoArray* g_wxmswDisplayInfoArray = 0;
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#include <wx/arrimpl.cpp> // this is a magic incantation which must be done!
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WX_DEFINE_OBJARRAY(wxmswDisplayInfoArray);
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// ===========================================================================
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// implementation
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// ===========================================================================
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BOOL CALLBACK wxmswMonitorEnumProc (
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HMONITOR hMonitor, // handle to display monitor
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HDC hdcMonitor, // handle to monitor-appropriate device context
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LPRECT lprcMonitor, // pointer to monitor intersection rectangle
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LPARAM dwData // data passed from EnumDisplayMonitors
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)
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{
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wxmswDisplayInfo* info = new wxmswDisplayInfo();
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info->m_hmon = hMonitor;
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info->m_rect.SetX ( lprcMonitor->left );
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info->m_rect.SetY ( lprcMonitor->top );
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info->m_rect.SetWidth ( lprcMonitor->right - lprcMonitor->left );
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info->m_rect.SetHeight ( lprcMonitor->bottom - lprcMonitor->top );
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// now add this monitor to the array
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g_wxmswDisplayInfoArray->Add ( info );
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return TRUE; // continue the enumeration
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}
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class wxmswDisplayModule : public wxModule
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{
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DECLARE_DYNAMIC_CLASS(wxmswDisplayModule)
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public:
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wxmswDisplayModule() {}
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bool OnInit();
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void OnExit();
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};
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IMPLEMENT_DYNAMIC_CLASS(wxmswDisplayModule, wxModule)
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bool wxmswDisplayModule::OnInit()
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{
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g_wxmswDisplayInfoArray = new wxmswDisplayInfoArray();
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if ( !g_wxmswDisplayInfoArray )
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{
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wxFAIL_MSG(wxT("Couldn't allocate array for display information"));
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return FALSE;
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}
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// Royce3: I'm assuming that the monitor's are enumerated in the same
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// order as the calls to EnumDisplayDevices below. We shall soon see
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// if that assumption is correct.
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if ( !EnumDisplayMonitors ( NULL, NULL, wxmswMonitorEnumProc, 0 ) )
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wxLogLastError(wxT("EnumDisplayMonitors"));
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size_t iDevNum = 0, count = g_wxmswDisplayInfoArray->Count();
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while ( iDevNum < count )
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{
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wxmswDisplayInfo& info = (*g_wxmswDisplayInfoArray)[iDevNum];
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// MSDN: Before calling EnumDisplayDevices, you must initialize the cb
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// member of DISPLAY_DEVICE to the size, in bytes, of DISPLAY_DEVICE
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info.m_dd.cb = sizeof(info.m_dd);
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if ( !EnumDisplayDevices ( NULL, iDevNum, &info.m_dd, 0 ) )
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wxLogLastError(wxT("EnumDisplayDevices"));
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// get this display's Depth
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DEVMODE devmode;
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memset ( &devmode, 0, sizeof(devmode) );
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// MSDN: Before calling EnumDisplaySettings, set the dmSize member to
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// sizeof(DEVMODE), and set the dmDriverExtra member to indicate the size,
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// in bytes, of the additional space available to receive private
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// driver-data.
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devmode.dmSize = sizeof(devmode);
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devmode.dmDriverExtra = 0;
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if ( !EnumDisplaySettings ( info.m_dd.DeviceName, ENUM_CURRENT_SETTINGS, &devmode ) )
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{
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wxLogLastError(wxT("EnumDisplaySettings"));
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devmode.dmFields = 0;
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}
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if ( !(devmode.dmFields&DM_BITSPERPEL) )
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info.m_depth = -1;
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else
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info.m_depth = devmode.dmBitsPerPel;
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iDevNum++;
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}
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return TRUE;
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}
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void wxmswDisplayModule::OnExit()
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{
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size_t count = g_wxmswDisplayInfoArray->Count();
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while ( count-- )
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{
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wxmswDisplayInfo* info = g_wxmswDisplayInfoArray->Detach ( count );
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delete info;
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}
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delete g_wxmswDisplayInfoArray;
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g_wxmswDisplayInfoArray = 0;
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}
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// ---------------------------------------------------------------------------
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// wxDisplay
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// ---------------------------------------------------------------------------
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size_t wxDisplayBase::GetCount()
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{
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return GetSystemMetrics ( SM_CMONITORS );
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}
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int wxDisplayBase::GetFromPoint ( const wxPoint& pt )
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{
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POINT pt2;
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pt2.x = pt.x;
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pt2.y = pt.y;
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HMONITOR hmon = MonitorFromPoint ( pt2, 0 );
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if ( !hmon )
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return -1;
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size_t count = wxDisplayBase::GetCount(), index;
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for ( index = 0; index < count; index++ )
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{
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if ( hmon == (*g_wxmswDisplayInfoArray)[index].m_hmon )
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return index;
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}
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return -1;
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}
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wxDisplay::wxDisplay ( size_t index ) : wxDisplayBase ( index )
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{
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}
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wxRect wxDisplay::GetGeometry() const
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{
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return (*g_wxmswDisplayInfoArray)[m_index].m_rect;
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}
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int wxDisplay::GetDepth() const
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{
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return (*g_wxmswDisplayInfoArray)[m_index].m_depth;
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}
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wxString wxDisplay::GetName() const
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{
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return wxString ( (*g_wxmswDisplayInfoArray)[m_index].m_dd.DeviceName );
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}
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#endif//wxUSE_DISPLAY
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