cfgDialogPositionData

#include <WindowPositionUtils.h>

Inheritance diagram for cfgDialogPositionData:

Data Structures
struct	DeOverlapState

Public Types
enum	{ posInvalid = 0x80000000, sizeInvalid = 0xFFFFFFFF, dpiInvalid = 0 }

Public Member Functions
	cfgDialogPositionData ()
void	AddWindow (CWindow wnd)
void	FetchConfig ()
void	OverrideDefaultSize (t_uint32 width, t_uint32 height)
void	RemoveWindow (CWindow wnd)

Data Fields
t_uint32	m_dpiX
t_uint32	m_dpiY
t_uint32	m_height
t_int32	m_posX
t_int32	m_posY
t_uint32	m_width

Private Member Functions
BOOL	ApplyConfig (CWindow wnd)
void	ApplyDPI ()
CSize	GrabDPI () const
BOOL	StoreConfig (CWindow wnd)
void	TryFetchConfig ()

Static Private Member Functions
static void	DeOverlap (CWindow wnd, CRect &rc)
static int	DeOverlapDelta ()
static bool	DeOverlapTest (CWindow wnd, CPoint topLeft)
static BOOL	GetParentWndRect (CWindow wndParent, CRect &rc)
static BOOL CALLBACK	MyEnumChildProc (HWND wnd, LPARAM param)

Private Attributes
pfc::avltree_t< CWindow >	m_windows

Detailed Description

Definition at line 107 of file WindowPositionUtils.h.

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Data Structure Documentation

struct cfgDialogPositionData::DeOverlapState

Definition at line 170 of file WindowPositionUtils.h.

Data Fields
bool	m_match
CWindow	m_thisWnd
CPoint	m_topLeft

Member Enumeration Documentation

anonymous enum

Enumerator
posInvalid
sizeInvalid
dpiInvalid

Definition at line 265 of file WindowPositionUtils.h.

         {
        posInvalid = 0x80000000,
        sizeInvalid = 0xFFFFFFFF,
        dpiInvalid = 0,
    };

Constructor & Destructor Documentation

cfgDialogPositionData::cfgDialogPositionData ( )

inline

Definition at line 109 of file WindowPositionUtils.h.

: m_width(sizeInvalid), m_height(sizeInvalid), m_posX(posInvalid), m_posY(posInvalid) {}

Member Function Documentation

void cfgDialogPositionData::AddWindow ( CWindow  wnd )

inline

Definition at line 118 of file WindowPositionUtils.h.

                                {
        TryFetchConfig();
        m_windows += wnd;
        ApplyConfig(wnd);
    }

BOOL cfgDialogPositionData::ApplyConfig ( CWindow  wnd )

inlineprivate

Definition at line 131 of file WindowPositionUtils.h.

                                  {
        ApplyDPI();
        CWindow wndParent = wnd.GetParent();
        UINT flags = SWP_NOACTIVATE | SWP_NOZORDER;
        CRect rc;
        if (!GetClientRectAsSC(wnd,rc)) return FALSE;
        if (m_width != sizeInvalid && m_height != sizeInvalid && (wnd.GetWindowLong(GWL_STYLE) & WS_SIZEBOX) != 0) {
            rc.right = rc.left + m_width;
            rc.bottom = rc.top + m_height;
        } else {
            flags |= SWP_NOSIZE;
        }
        if (wndParent != NULL) {
            CRect rcParent;
            if (GetParentWndRect(wndParent, rcParent)) {
                if (m_posX != posInvalid && m_posY != posInvalid) {
                    rc.MoveToXY( rcParent.TopLeft() + CPoint(m_posX, m_posY) );
                } else {
                    CPoint center = rcParent.CenterPoint();
                    rc.MoveToXY( center.x - rc.Width() / 2, center.y - rc.Height() / 2);
                }
            }
        }
        if (!AdjustWindowRectHelper(wnd, rc)) return FALSE;

        DeOverlap(wnd, rc);

        {
            CRect rcAdjust(0,0,1,1);
            if (wndParent != NULL) {
                CRect temp;
                if (wndParent.GetWindowRect(temp)) rcAdjust = temp;
            }
            AdjustRectToScreenArea(rc, rcAdjust);
        }
        
        
        return wnd.SetWindowPos(NULL, rc, flags);
    }

void cfgDialogPositionData::ApplyDPI ( )

inlineprivate

Definition at line 226 of file WindowPositionUtils.h.

                    {
        const CSize screenDPI = QueryScreenDPIEx();
        if (screenDPI.cx == 0 || screenDPI.cy == 0) {
            PFC_ASSERT(!"Should not get here - something seriously wrong with the OS");
            return;
        }
        if (m_dpiX != dpiInvalid && m_dpiX != screenDPI.cx) {
            if (m_width != sizeInvalid) m_width = MulDiv(m_width, screenDPI.cx, m_dpiX);
            if (m_posX != posInvalid) m_posX = MulDiv(m_posX, screenDPI.cx, m_dpiX);
        }
        if (m_dpiY != dpiInvalid && m_dpiY != screenDPI.cy) {
            if (m_height != sizeInvalid) m_height = MulDiv(m_height, screenDPI.cy, m_dpiY);
            if (m_posY != posInvalid) m_posY = MulDiv(m_posY, screenDPI.cy, m_dpiY);
        }
        m_dpiX = screenDPI.cx;
        m_dpiY = screenDPI.cy;
    }

static void cfgDialogPositionData::DeOverlap ( CWindow  wnd, CRect &  rc  )

inlinestaticprivate

Definition at line 196 of file WindowPositionUtils.h.

                                                   {
        const int delta = DeOverlapDelta();
        for(;;) {
            if (!DeOverlapTest(wnd, rc.TopLeft())) break;
            rc.OffsetRect(delta,delta);
        }
    }

static int cfgDialogPositionData::DeOverlapDelta ( )

inlinestaticprivate

Definition at line 193 of file WindowPositionUtils.h.

                                {
        return pfc::max_t<int>(GetSystemMetrics(SM_CYCAPTION),1);
    }

static bool cfgDialogPositionData::DeOverlapTest ( CWindow  wnd, CPoint  topLeft  )

inlinestaticprivate

Definition at line 187 of file WindowPositionUtils.h.

                                                           {
        DeOverlapState state = {};
        state.m_thisWnd = wnd; state.m_topLeft = topLeft; state.m_match = false;
        EnumThreadWindows(GetCurrentThreadId(), MyEnumChildProc, reinterpret_cast<LPARAM>(&state));
        return state.m_match;
    }

void cfgDialogPositionData::FetchConfig ( )

inline

Definition at line 128 of file WindowPositionUtils.h.

{TryFetchConfig();}

static BOOL cfgDialogPositionData::GetParentWndRect ( CWindow  wndParent, CRect &  rc  )

inlinestaticprivate

Definition at line 250 of file WindowPositionUtils.h.

                                                                {
        if (!wndParent.IsIconic()) {
            return wndParent.GetWindowRect(rc);
        }
        WINDOWPLACEMENT pl = {sizeof(pl)};
        if (!wndParent.GetWindowPlacement(&pl)) return FALSE;
        rc = pl.rcNormalPosition;
        return TRUE;
    }

CSize cfgDialogPositionData::GrabDPI ( ) const

inlineprivate

Definition at line 243 of file WindowPositionUtils.h.

                          {
        CSize DPI(96,96);
        if (m_dpiX != dpiInvalid) DPI.cx = m_dpiX;
        if (m_dpiY != dpiInvalid) DPI.cy = m_dpiY;
        return DPI;
    }

static BOOL CALLBACK cfgDialogPositionData::MyEnumChildProc ( HWND  wnd, LPARAM  param  )

inlinestaticprivate

Definition at line 175 of file WindowPositionUtils.h.

                                                                 {
        DeOverlapState * state = reinterpret_cast<DeOverlapState*>(param);
        if (wnd != state->m_thisWnd && IsWindowVisible(wnd) ) {
            CRect rc;
            if (GetWindowRect(wnd, rc)) {
                if (rc.TopLeft() == state->m_topLeft) {
                    state->m_match = true; return FALSE;
                }
            }
        }
        return TRUE;
    }

void cfgDialogPositionData::OverrideDefaultSize ( t_uint32  width, t_uint32  height  )

inline

Definition at line 111 of file WindowPositionUtils.h.

                                                              {
        if (m_width == sizeInvalid && m_height == sizeInvalid) {
            m_width = width; m_height = height; m_posX = m_posY = posInvalid;
            m_dpiX = m_dpiY = 96;
        }
    }

void cfgDialogPositionData::RemoveWindow ( CWindow  wnd )

inline

Definition at line 123 of file WindowPositionUtils.h.

                                   {
        if (m_windows.contains(wnd)) {
            StoreConfig(wnd); m_windows -= wnd;
        }
    }

BOOL cfgDialogPositionData::StoreConfig ( CWindow  wnd )

inlineprivate

Definition at line 203 of file WindowPositionUtils.h.

                                  {
        CRect rc;
        if (!GetClientRectAsSC(wnd, rc)) return FALSE;
        const CSize DPI = QueryScreenDPIEx();
        m_dpiX = DPI.cx; m_dpiY = DPI.cy;
        m_width = rc.Width(); m_height = rc.Height();
        m_posX = m_posY = posInvalid;
        CWindow parent = wnd.GetParent();
        if (parent != NULL) {
            CRect rcParent;
            if (GetParentWndRect(parent, rcParent)) {
                m_posX = rc.left - rcParent.left;
                m_posY = rc.top - rcParent.top;
            }
        }
        return TRUE;
    }

void cfgDialogPositionData::TryFetchConfig ( )

inlineprivate

Definition at line 220 of file WindowPositionUtils.h.

                          {
        for(pfc::const_iterator<CWindow> walk = m_windows.first(); walk.is_valid(); ++walk) {
            if (StoreConfig(*walk)) break;
        }
    }

Field Documentation

t_uint32 cfgDialogPositionData::m_dpiX

Definition at line 264 of file WindowPositionUtils.h.

t_uint32 cfgDialogPositionData::m_dpiY

Definition at line 264 of file WindowPositionUtils.h.

t_uint32 cfgDialogPositionData::m_height

Definition at line 262 of file WindowPositionUtils.h.

t_int32 cfgDialogPositionData::m_posX

Definition at line 263 of file WindowPositionUtils.h.

t_int32 cfgDialogPositionData::m_posY

Definition at line 263 of file WindowPositionUtils.h.

t_uint32 cfgDialogPositionData::m_width

Definition at line 262 of file WindowPositionUtils.h.

pfc::avltree_t<CWindow> cfgDialogPositionData::m_windows

private

Definition at line 260 of file WindowPositionUtils.h.

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The documentation for this class was generated from the following file:

• foobar2000/ATLHelpers/WindowPositionUtils.h