mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
336 lines
8.2 KiB
336 lines
8.2 KiB
//=--------------------------------------------------------------------------=
|
|
// CtlWrap.Cpp
|
|
//=--------------------------------------------------------------------------=
|
|
// Copyright 1995-1996 Microsoft Corporation. All Rights Reserved.
|
|
//
|
|
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
|
|
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
|
|
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
|
|
// PARTICULAR PURPOSE.
|
|
//=--------------------------------------------------------------------------=
|
|
//
|
|
// wrappers for various routines that have slightly different implementations
|
|
// for windowed and windowless controls.
|
|
//
|
|
#include "IPServer.H"
|
|
|
|
#include "CtrlObj.H"
|
|
|
|
|
|
// for ASSERT and FAIL
|
|
//
|
|
SZTHISFILE
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxGetFocus [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// indicates whether or not we have the focus.
|
|
//
|
|
// Parameters:
|
|
// none
|
|
//
|
|
// Output:
|
|
// TRUE if we have focus, else false
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxGetFocus
|
|
(
|
|
void
|
|
)
|
|
{
|
|
// if we're windowless, the site provides this functionality
|
|
//
|
|
if (m_pInPlaceSiteWndless) {
|
|
return (m_pInPlaceSiteWndless->GetFocus() == S_OK);
|
|
} else {
|
|
|
|
// we've got a window. just let the APIs do our work
|
|
//
|
|
if (m_fInPlaceActive)
|
|
return (GetFocus() == m_hwnd);
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
// dead code
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxGetWindowRect [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// returns the current rectangle for this control, and correctly handles
|
|
// windowless vs windowed.
|
|
//
|
|
// Parameters:
|
|
// LPRECT - [out] duh.
|
|
//
|
|
// Output:
|
|
// BOOL - false means unexpected.
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxGetWindowRect
|
|
(
|
|
LPRECT prc
|
|
)
|
|
{
|
|
// if we're windowless, then we have this information already!
|
|
//
|
|
if (Windowless()) {
|
|
*prc = m_rcLocation;
|
|
return TRUE;
|
|
} else
|
|
return GetWindowRect(m_hwnd, prc);
|
|
|
|
// dead code
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxDefWindowProc [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// default window processing
|
|
//
|
|
// Parameters:
|
|
// UINT - [in] duh.
|
|
// WPARAM - [in] duh.
|
|
// LPARAM - [in] DUH.
|
|
//
|
|
// Output:
|
|
// LRESULT
|
|
//
|
|
// Notes:
|
|
//
|
|
LRESULT COleControl::OcxDefWindowProc
|
|
(
|
|
UINT msg,
|
|
WPARAM wParam,
|
|
LPARAM lParam
|
|
)
|
|
{
|
|
LRESULT l;
|
|
|
|
// if we're windowless, this is a site provided pointer
|
|
//
|
|
if (m_pInPlaceSiteWndless)
|
|
m_pInPlaceSiteWndless->OnDefWindowMessage(msg, wParam, lParam, &l);
|
|
else
|
|
// we've got a window -- just pass it along
|
|
//
|
|
l = DefWindowProc(m_hwnd, msg, wParam, lParam);
|
|
|
|
return l;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxGetDC [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// wraps the functionality of GetDC, and correctly handles windowless controls
|
|
//
|
|
// Parameters:
|
|
// none
|
|
//
|
|
// Output:
|
|
// HDC - null means we couldn't get one
|
|
//
|
|
// Notes:
|
|
// - we don't bother with a bunch of the IOleInPlaceSiteWindowless::GetDc
|
|
// parameters, since the windows GetDC doesn't expose these either. users
|
|
// wanting that sort of fine tuned control can call said routine
|
|
// explicitly
|
|
//
|
|
HDC COleControl::OcxGetDC
|
|
(
|
|
void
|
|
)
|
|
{
|
|
HDC hdc = NULL;
|
|
|
|
// if we're windowless, the site provides this functionality.
|
|
//
|
|
if (m_pInPlaceSiteWndless)
|
|
m_pInPlaceSiteWndless->GetDC(NULL, 0, &hdc);
|
|
else
|
|
hdc = GetDC(m_hwnd);
|
|
|
|
return hdc;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxReleaseDC [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// releases a DC returned by OcxGetDC
|
|
//
|
|
// Parameters:
|
|
// HDC - [in] release me
|
|
//
|
|
// Output:
|
|
// none
|
|
//
|
|
// Notes:
|
|
//
|
|
void COleControl::OcxReleaseDC
|
|
(
|
|
HDC hdc
|
|
)
|
|
{
|
|
// if we're windowless, the site does this for us
|
|
//
|
|
if (m_pInPlaceSiteWndless)
|
|
m_pInPlaceSiteWndless->ReleaseDC(hdc);
|
|
else
|
|
ReleaseDC(m_hwnd, hdc);
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxSetCapture [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// provides a means for the control to get or release capture.
|
|
//
|
|
// Parameters:
|
|
// BOOL - [in] true means take, false release
|
|
//
|
|
// Output:
|
|
// BOOL - true means it's yours, false nuh-uh
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxSetCapture
|
|
(
|
|
BOOL fGrab
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
|
|
// the host does this for us if we're windowless [i'm getting really bored
|
|
// of typing that]
|
|
//
|
|
if (m_pInPlaceSiteWndless) {
|
|
hr = m_pInPlaceSiteWndless->SetCapture(fGrab);
|
|
return (hr == S_OK);
|
|
} else {
|
|
// people shouldn't call this when they're not in-place active, but
|
|
// just in case...
|
|
//
|
|
if (m_fInPlaceActive) {
|
|
SetCapture(m_hwnd);
|
|
return TRUE;
|
|
} else
|
|
return FALSE;
|
|
}
|
|
|
|
// dead code
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxGetCapture [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// tells you whether or not you have the capture.
|
|
//
|
|
// Parameters:
|
|
// none
|
|
//
|
|
// Output:
|
|
// BOOL - true it's yours, false it's not
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxGetCapture
|
|
(
|
|
void
|
|
)
|
|
{
|
|
// host does this for windowless dudes
|
|
//
|
|
if (m_pInPlaceSiteWndless)
|
|
return m_pInPlaceSiteWndless->GetCapture() == S_OK;
|
|
else {
|
|
// people shouldn't call this when they're not in-place active, but
|
|
// just in case.
|
|
//
|
|
if (m_fInPlaceActive)
|
|
return GetCapture() == m_hwnd;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
// dead code
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxInvalidateRect [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// invalidates the control's rectangle
|
|
//
|
|
// Parameters:
|
|
// LPCRECT - [in] rectangle to invalidate
|
|
// BOOL - [in] do we erase background first?
|
|
//
|
|
// Output:
|
|
// BOOL
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxInvalidateRect
|
|
(
|
|
LPCRECT prcInvalidate,
|
|
BOOL fErase
|
|
)
|
|
{
|
|
// if we're windowless, then we need to get the site to do all this for
|
|
// us
|
|
if (m_pInPlaceSiteWndless)
|
|
return m_pInPlaceSiteWndless->InvalidateRect(prcInvalidate, fErase) == S_OK;
|
|
else {
|
|
// otherwise do something different depending on whether or not we're
|
|
// in place active or not
|
|
//
|
|
if (m_fInPlaceActive)
|
|
return InvalidateRect(m_hwnd, prcInvalidate, TRUE);
|
|
else
|
|
ViewChanged();
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//=--------------------------------------------------------------------------=
|
|
// COleControl::OcxScrollRect [wrapper]
|
|
//=--------------------------------------------------------------------------=
|
|
// does some window scrolling for the control
|
|
//
|
|
// Parameters:
|
|
// LPCRECT - [in] region to scroll
|
|
// LPCRECT - [in] region to clip
|
|
// int - [in] dx to scroll
|
|
// int - [in] dy to scroll
|
|
//
|
|
// Output:
|
|
// BOOL
|
|
//
|
|
// Notes:
|
|
//
|
|
BOOL COleControl::OcxScrollRect
|
|
(
|
|
LPCRECT prcBounds,
|
|
LPCRECT prcClip,
|
|
int dx,
|
|
int dy
|
|
)
|
|
{
|
|
// if we're windowless, the site provides this functionality, otherwise
|
|
// APIs do the job
|
|
//
|
|
if (m_pInPlaceSiteWndless)
|
|
return m_pInPlaceSiteWndless->ScrollRect(dx, dy, prcBounds, prcClip) == S_OK;
|
|
else {
|
|
if (m_fInPlaceActive)
|
|
ScrollWindowEx(m_hwnd, dx, dy, prcBounds, prcClip, NULL, NULL, SW_INVALIDATE);
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|