1 line
15 KiB
C
1 line
15 KiB
C
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/* Copyright (c) 2017, Computer History Museum
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted (subject to
the limitations in the disclaimer below) provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of Computer History Museum nor the names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE. */
#include "carbonutil.h"
#define FILE_NUM 122
#pragma segment carbonutil
void GetControlListLo (Handle controlList, ControlHandle theControl);
static void PMRectToRect(PMRect *pmRect, Rect *r);
RgnHandle gAccessorRgn,gEmptyRgn;
/**********************************************************************
* InitCarbonUtil - initialize data for Carbon utilities
**********************************************************************/
void InitCarbonUtil(void)
{
gAccessorRgn = NewRgn();
gEmptyRgn = NewRgn();
if (!gAccessorRgn || !gEmptyRgn)
DieWithError (MEM_ERR, MemError ());
}
/**********************************************************************
* Accesor functions for regions.
* !!! Important. They all use and return the gAccessorRgn region
* Be careful not to save this value or call any of these functions more than
* once in the same statement.
**********************************************************************/
// MyGetPortVisibleRegion - get port's visRgn
RgnHandle MyGetPortVisibleRegion(CGrafPtr port) { return GetPortVisibleRegion(port,gAccessorRgn); }
// MyGetWindowStructureRegion - get window's strucRgn
RgnHandle MyGetWindowStructureRegion(WindowRef window) { GetWindowRegion(window,kWindowStructureRgn,gAccessorRgn); return gAccessorRgn; }
// MyGetWindowContentRegion - get window's contentRgn
RgnHandle MyGetWindowContentRegion(WindowRef window) { GetWindowRegion(window,kWindowContentRgn,gAccessorRgn); return gAccessorRgn; }
// MyGetWindowUpdateRegion - get window's UpdateRgn
RgnHandle MyGetWindowUpdateRegion(WindowRef window) { GetWindowRegion(window,kWindowUpdateRgn,gAccessorRgn); return gAccessorRgn; }
// SetEmptyVisRgn - set port's visRgn to nil region
void SetEmptyVisRgn(CGrafPtr port) { SetPortVisibleRegion(port,gEmptyRgn); }
// SetEmptyClipRgn - set port's clipRgn to nil region
void SetEmptyClipRgn(CGrafPtr port) { SetPortClipRegion(port,gEmptyRgn); }
/**********************************************************************
* GetScreenBounds - get screen bounds
**********************************************************************/
Rect GetScreenBounds(void)
{
BitMap screenBits;
screenBits = *GetQDGlobalsScreenBits(&screenBits);
return screenBits.bounds;
}
/**********************************************************************
* GetCWMgrPort - make a wmgr port
**********************************************************************/
void GetCWMgrPort(C
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