mirror of
https://github.com/microsoft/Microsoft-3D-Movie-Maker.git
synced 2024-11-22 02:12:33 +01:00
493 lines
11 KiB
C++
493 lines
11 KiB
C++
/* Copyright (c) Microsoft Corporation.
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Licensed under the MIT License. */
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/***************************************************************************
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Author: ShonK
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Project: Kauai
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Reviewed:
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Copyright (c) Microsoft Corporation
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Mac standard dialogs.
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***************************************************************************/
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#include "frame.h"
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ASSERTNAME
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//REVIEW shonk: implement combo items.
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/***************************************************************************
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Read the dialog resource and construct the GGDIT.
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***************************************************************************/
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bool DLG::_FInit(void)
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{
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HN hn;
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short ridDitl;
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long sit, sitLim;
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long idit;
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byte bState;
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byte *pbDitl;
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byte bType;
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long cbEntry;
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DIT dit;
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bool fAddDit;
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bool fRet = fFalse;
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if ((hn = (HN)GetResource('DLOG', (short)_rid)) == hNil)
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{
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PushErc(ercDlgCantFind);
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return fFalse;
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}
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//get the rid of the DITL resource
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ridDitl = (*(short **)hn)[9];
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if ((hn = GetResource('DITL', ridDitl)) == hNil)
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{
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PushErc(ercDlgCantFind);
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return fFalse;
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}
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//lock the DITL so it doesn't move and so it isn't purged while
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//we're looking at it.
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bState = HGetState(hn);
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HLock(hn);
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pbDitl = *(byte **)hn;
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/***********************************************************************
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This info comes from New Inside Macintosh - Toolbox Essentials,
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pages 6-152 to 6-156.
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A DITL is a group of items preceeded by a short containing the number
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of items - 1. Each item contains:
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4 bytes of reserved info
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8 bytes for a bounding rectangle
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1 byte for the item type and enable flag
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The remaining data in the item depends on the type of item. For
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Buttons(4), checkboxes(5), radio buttons(6), static text(8) and
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editable text items(16), the item data continues with:
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1 - 256 bytes (variable) - an st containing the name
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0 or 1 byte alignment (to a short word)
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For compiled controls(7), icons(32) and pictures(64):
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1 byte reserved
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2 bytes resource number
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For application defined items(0):
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1 byte reserved
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For Help items(1):
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1 byte size - 4 or 6 (so we don't have to use the help item type)
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2 byte help item type
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2 byte resource number
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0 or 2 bytes for an item number (2 bytes if help item type is 8,
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otherwise 0 bytes)
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For other values of the item type, we assert and bag out.
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***********************************************************************/
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//get the lim of system items (they start at 1) and grow the GGDIT
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//to a reasonable size
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sitLim = (*(short *)pbDitl) + 2;
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pbDitl += size(short);
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if (!FEnsureSpace(sitLim, size(long), fgrpNil))
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goto LFail;
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//look at the items in the DITL
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for (idit = 0, sit = 1; sit < sitLim; sit++)
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{
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//skip the reserved bytes and rectangle
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pbDitl += 12;
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//the high bit is an enble bit, so mask it off
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bType = *pbDitl & 0x7F;
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pbDitl++;
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fAddDit = fFalse;
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switch (bType)
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{
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default:
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Bug("unkown item in DITL resource");
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goto LFail;
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case btnCtrl + ctrlItem: //button
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dit.ditk = ditkButton;
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cbEntry = 0;
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fAddDit = fTrue;
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goto LSkipSt;
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case chkCtrl + ctrlItem: //check box
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dit.ditk = ditkCheckBox;
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cbEntry = size(long);
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fAddDit = fTrue;
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goto LSkipSt;
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case radCtrl + ctrlItem: //radio button
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//if the last item added was a radio group, add this button to
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//the group, otherwise create a new radio group
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if (idit > 0)
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{
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GetDit(idit - 1, &dit);
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if (dit.ditk == ditkRadioGroup && dit.sitLim == sit)
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{
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dit.sitLim++;
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PutDit(idit - 1, &dit);
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goto LSkipSt;
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}
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}
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dit.ditk = ditkRadioGroup;
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cbEntry = size(long);
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fAddDit = fTrue;
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goto LSkipSt;
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case statText: //static text item
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goto LSkipSt;
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case editText: //edit item
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dit.ditk = ditkEditText;
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cbEntry = kcbMaxStz - kcchMaxStz;
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fAddDit = fTrue;
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LSkipSt:
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pbDitl += CbSt((achar *)pbDitl);
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if ((long)pbDitl & 1)
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pbDitl++;
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break;
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case 7: //control
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case iconItem: //icon
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case picItem: //picture
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pbDitl += 3;
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break;
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case userItem: //app defined
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pbDitl += 1;
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break;
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case 1: //help item
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pbDitl += CbSt((achar *)pbDitl);
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break;
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}
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if (fAddDit)
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{
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Assert(cbEntry >= 0, 0);
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dit.sitMin = sit;
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dit.sitLim = sit + 1;
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if (!FInsert(idit, cbEntry, pvNil, &dit))
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goto LFail;
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//zero the extra data
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if (cbEntry > 0)
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ClearPb(QvGet(idit), cbEntry);
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idit++;
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}
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}
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FEnsureSpace(0, 0, fgrpShrink);
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fRet = fTrue;
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LFail:
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HSetState(hn, bState);
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if (!fRet)
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PushErc(ercDlgOom);
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return fRet;
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}
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/***************************************************************************
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Actually put up the dialog and don't return until it comes down.
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Returns the idit that dismissed the dialog. Returns ivNil on failure.
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***************************************************************************/
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long DLG::IditDo(long iditFocus)
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{
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HDLG hdlg;
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DIT dit;
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short swHit;
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long idit = ivNil;
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if ((hdlg = GetNewDialog((short)_rid, pvNil, (PPRT)-1L)) == pvNil)
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{
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PushErc(ercDlgOom);
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goto LDone;
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}
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if (pvNil == (_pgob = NewObj GOB(khidDialog)))
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{
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PushErc(ercDlgOom);
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goto LDone;
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}
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if (!_pgob->FAttachHwnd((HWND)hdlg))
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{
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PushErc(ercDlgOom);
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goto LDone;
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}
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SetValues(0, IvMac());
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ShowWindow(hdlg);
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if (ivNil != iditFocus)
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SelectDit(iditFocus);
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for (;;)
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{
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ModalDialog(pvNil, &swHit);
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if ((idit = IditFromSit((long)swHit)) == ivNil)
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continue;
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GetDit(idit, &dit);
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switch (dit.ditk)
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{
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default:
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continue;
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case ditkButton:
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break;
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case ditkCheckBox:
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//invert it
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_InvertCheckBox(idit);
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break;
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case ditkRadioGroup:
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//set the value to swHit - dit.sitMin
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_SetRadioGroup(idit, (long)swHit - dit.sitMin);
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break;
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}
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if (_FDitChange(&idit))
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break;
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}
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LDone:
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if (hdlg != hNil)
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{
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if (_pgob != pvNil)
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{
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if (idit != ivNil && !FGetValues(0, IvMac()))
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{
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PushErc(ercDlgCantGetArgs);
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idit = ivNil;
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}
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_pgob->FAttachHwnd(hNil);
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_pgob->Release();
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_pgob = pvNil;
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}
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DisposeDialog(hdlg);
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}
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return idit;
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}
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/***************************************************************************
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Get the value of a radio group.
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***************************************************************************/
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long DLG::_LwGetRadioGroup(long idit)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HCTL hctl;
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RCS rcs;
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long sit;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkRadioGroup, "not a radio group!");
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for (sit = dit.sitMin; sit < dit.sitLim; sit++)
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{
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GetDialogItem(hdlg, (short)sit, &sitk, (HN *)&hctl, &rcs);
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Assert(sitk == (radCtrl + ctrlItem), "not a radio button!");
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if (GetCtlValue(hctl))
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return sit - dit.sitMin;
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}
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Bug("no radio button set");
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return dit.sitLim - dit.sitMin;
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}
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/***************************************************************************
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Change a radio group value.
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***************************************************************************/
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void DLG::_SetRadioGroup(long idit, long lw)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HCTL hctl;
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RCS rcs;
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long sit;
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short swT;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkRadioGroup, "not a radio group!");
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AssertIn(lw, 0, dit.sitLim - dit.sitMin);
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GNV gnv(_pgob);
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gnv.Set();
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for (sit = dit.sitMin; sit < dit.sitLim; sit++)
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{
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GetDialogItem(hdlg, (short)sit, &sitk, (HN *)&hctl, &rcs);
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Assert(sitk == (radCtrl + ctrlItem), "not a radio button!");
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swT = GetCtlValue(hctl);
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//set the value
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if (swT)
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{
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if (sit - dit.sitMin != lw)
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SetCtlValue(hctl, 0);
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}
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else
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{
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if (sit - dit.sitMin == lw)
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SetCtlValue(hctl, 1);
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}
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}
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gnv.Restore();
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}
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/***************************************************************************
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Returns the current value of a check box.
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***************************************************************************/
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bool DLG::_FGetCheckBox(long idit)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HCTL hctl;
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RCS rcs;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkCheckBox, "not a check box!");
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Assert(dit.sitLim == dit.sitMin + 1, "wrong lim on check box");
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GetDialogItem(hdlg, (short)dit.sitMin, &sitk, (HN *)&hctl, &rcs);
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Assert(sitk == (chkCtrl + ctrlItem), "not a check box!");
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return FPure(GetCtlValue(hctl));
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}
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/***************************************************************************
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Invert the value of a check box.
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***************************************************************************/
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void DLG::_InvertCheckBox(long idit)
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{
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_SetCheckBox(idit, !_FGetCheckBox(idit));
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}
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/***************************************************************************
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Set the value of a check box.
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***************************************************************************/
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void DLG::_SetCheckBox(long idit, bool fOn)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HCTL hctl;
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RCS rcs;
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short swT;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkCheckBox, "not a check box!");
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Assert(dit.sitLim == dit.sitMin + 1, "wrong lim on check box");
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GNV gnv(_pgob);
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gnv.Set();
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GetDialogItem(hdlg, (short)dit.sitMin, &sitk, (HN *)&hctl, &rcs);
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Assert(sitk == (chkCtrl + ctrlItem), "not a check box!");
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swT = GetCtlValue(hctl);
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if (FPure(swT) != FPure(fOn))
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SetCtlValue(hctl, FPure(fOn));
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gnv.Restore();
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}
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/***************************************************************************
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Get the text from an edit control.
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***************************************************************************/
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void DLG::_GetEditText(long idit, PSTZ pstz)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HN hn;
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RCS rcs;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkEditText, "not edit item!");
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Assert(dit.sitLim == dit.sitMin + 1, "wrong lim on edit item");
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GetDialogItem(hdlg, (short)dit.sitMin, &sitk, &hn, &rcs);
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AssertVar(sitk == editText, "not an edit item!", &sitk);
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GetDialogItemText(hn, (byte *)pstz);
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StToStz(pstz);
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}
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/***************************************************************************
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Set the text in an edit control.
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***************************************************************************/
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void DLG::_SetEditText(long idit, PSTZ pstz)
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{
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HDLG hdlg;
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DIT dit;
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short sitk;
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HN hn;
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RCS rcs;
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GetDit(idit, &dit);
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hdlg = (HDLG)_pgob->Hwnd();
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Assert(hdlg != hNil, "no dialog!");
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Assert(dit.ditk == ditkEditText, "not edit item!");
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Assert(dit.sitLim == dit.sitMin + 1, "wrong lim on edit item");
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GNV gnv(_pgob);
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gnv.Set();
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GetDialogItem(hdlg, (short)dit.sitMin, &sitk, &hn, &rcs);
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AssertVar(sitk == editText, "not an edit item!", &sitk);
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SetDialogItemText(hn, (byte *)pstz);
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gnv.Restore();
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}
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/***************************************************************************
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Make the given item the "focused" item and select its contents. The
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item should be a text item.
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***************************************************************************/
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void DLG::SelectDit(long idit)
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{
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HDLG hdlg;
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DIT dit;
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if (hNil == (hdlg = (HDLG)_pgob->Hwnd()))
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goto LBug;
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GetDit(idit, &dit);
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if (dit.ditk != ditkEditText)
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{
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LBug:
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Bug("bad call to DLG::SelectDit");
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return;
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}
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Assert(dit.sitLim == dit.sitMin + 1, "wrong lim on edit item");
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SelIText(hdlg, (short)dit.sitMin, 0, kswMax);
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}
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