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1a3551b630
The width for EM_SETTARGETDEVICE is used by some applications to set the wrapping width to a certain distance in twips. This can be used even though the target device is ignored.
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* RichEdit - Operation context functions
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*
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* Copyright 2004 by Krzysztof Foltman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "editor.h"
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void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC)
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{
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c->nSequence = editor->nSequence++;
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c->hDC = hDC;
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c->editor = editor;
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c->pt.x = 0;
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c->pt.y = 0;
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c->hbrMargin = CreateSolidBrush(RGB(224,224,224));
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c->rcView = editor->rcFormat;
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if (hDC) {
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c->dpi.cx = GetDeviceCaps(hDC, LOGPIXELSX);
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c->dpi.cy = GetDeviceCaps(hDC, LOGPIXELSY);
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} else {
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c->dpi.cx = c->dpi.cy = 96;
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}
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if (editor->nAvailWidth)
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c->nAvailWidth = ME_twips2pointsX(c, editor->nAvailWidth);
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else
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c->nAvailWidth = c->rcView.right - c->rcView.left;
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}
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void ME_DestroyContext(ME_Context *c)
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{
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if (c->hDC) ITextHost_TxReleaseDC(c->editor->texthost, c->hDC);
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DeleteObject(c->hbrMargin);
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}
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