113 lines
5.0 KiB
Rexx
Executable File
113 lines
5.0 KiB
Rexx
Executable File
/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
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/* Copyright (c) 2005-2014 Rexx Language Association. All rights reserved. */
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/* */
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/* This program and the accompanying materials are made available under */
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/* the terms of the Common Public License v1.0 which accompanies this */
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/* distribution. A copy is also available at the following address: */
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/* https://www.oorexx.org/license.html */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the name of Rexx Language Association nor the names */
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/* of its contributors may be used to endorse or promote products */
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/* derived from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
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/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/*----------------------------------------------------------------------------*/
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/**
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* Name: drawing3.rex
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* Type: Open Object REXX Script
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*
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* Description: Example demonstrating drawing functionality, using the
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* extended arguments sent to the DRAW event handler.
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*/
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dlg = .OwnerDrawDlg~new
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if dlg~initCode <> 0 then return 99
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dlg~execute("SHOWTOP")
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return 0
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::requires "ooDialog.cls"
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::class 'OwnerDrawDlg' subclass UserDialog
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::method init
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forward class (super) continue
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self~create(6, 15, 187, 135, "Owner-drawn Button Dialog", "CENTER")
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self~connectDraw(10, "drawIt", .true)
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::method defineDialog
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self~createPushButton(10, 6, 6, 175, 123, "OWNER", "")
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::method drawIt unguarded
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use arg id, lp, drawObj, itemID, flags, dc, r, itemData
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-- Uncomment these lines for some insight as to what is happeninge to seen when the event handler is executed:
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-- say id lp drawObj itemID flags dc r itemData
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-- say 'Draw It'
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-- Create a pen to draw a circle with.
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pen = drawObj~createPen(5, "SOLID", 1)
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oldPen = drawObj~objectToDc(dc, pen)
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-- Create a font to use to draw text with.
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properties = .directory~new
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properties~weight = 700
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properties~italic = .true
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font = drawObj~createFontEx("Arial", 24, properties)
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oldFont = drawObj~fontToDC(dc, font)
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drawObj~transparentText(dc)
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-- Get the midpoint of the button rectangle and set the text align to center
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pos = .Point~new(r~right % 2, r~bottom % 2)
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oldAlign = drawObj~setTextAlign(dc, 'CENTER BASELINE NOUPDATECP')
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-- Get a rectangle indented 5 from the button's area.
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dr = .Rect~new(r~left + 5, r~top + 5, r~right - 10, r~bottom - 10)
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-- Draw a circle, within the rectangle
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drawObj~drawArc(dc, dr~left, dr~top, dr~right, dr~bottom)
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-- Write some text at the position we calculated above.
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drawObj~writeDirect(dc, pos~x, pos~y, 'Circle')
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-- Now restore the DC so it is the same as passed into us.
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drawObj~setTextAlign(dc, oldAlign)
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drawObj~fontToDC(dc, oldFont)
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drawObj~objectToDc(dc, oldPen)
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drawObj~opaqueText(dc)
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drawObj~deleteFont(font)
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drawObj~deleteObject(pen)
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return .true
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