128 lines
5.4 KiB
Rexx
Executable File
128 lines
5.4 KiB
Rexx
Executable File
/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 2009-2014 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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* Simple Dialog showing how to: create a font. change the font of a control,
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* manage buttons to prevent the user from getting the dialog in the wrong
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* state.
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*
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* In this simple dialog, we don't want to manage the creation of lots of fonts,
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* so after the user creates the first new font, we disable the button. That
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* way the user can not create a new font thousands of times.
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*/
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dlg = .FileViewDialog~new
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if dlg~initCode <> 0 then do
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say "Dialog initialization failed. Program Abort."
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return 99
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end
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dlg~create(30, 30, 260, 180, "File Viewing Dialog", "VISIBLE")
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dlg~execute("SHOWTOP")
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return 0
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-- End of entry point.
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::requires "ooDialog.cls"
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::class 'FileViewDialog' subclass UserDialog
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::method defineDialog
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self~autoDetect = .false
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self~constDir[IDC_EDIT] = 110
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self~constDir[IDC_PB_OPEN] = 111
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self~constDir[IDC_PB_CHANGE_FONT] = 112
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styles = "VSCROLL HSCROLL MULTILINE"
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self~createEdit(IDC_EDIT, 5, 5, 250, 150, styles)
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self~createPushButton(IDC_PB_OPEN, 5, 160, 35, 15, , "Open", onOpen)
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self~createPushButton(IDC_PB_CHANGE_FONT, 50, 160, 45, 15, , "Change Font", onFont)
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self~createPushButton(IDOK, 220, 160, 35, 15, "DEFAULT", "OK")
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::method initDialog
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expose editControl newFont
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newFont = .nil
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editControl = self~newEdit(IDC_EDIT)
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helpMsg = "Use the Open button to open a text file" || .endOfLine || -
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"and then use the Change Font button to" || .endOfLine || -
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"change the font."
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editControl~setText(helpMsg)
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self~newPushButton(IDC_PB_CHANGE_FONT)~disable
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::method onOpen
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expose editControl newFont
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editControl~setText("")
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-- Have the open file dialog start in the same directory as the location of
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-- this program.
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parse source . . programSrc
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startDirectory = fileSpec('L', programSrc)
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fileName = fileNameDialog(startDirectory, self~dlgHandle, , 1, "Open a File for Editing")
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if fileName == 0 then return
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fObj = .stream~new(fileName)
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fObj~open
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if fObj~state \== 'READY' then return self~abort
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text = fObj~charin(1, fObj~chars)
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fObj~close
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editControl~setText(text)
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if newFont == .nil then self~newPushButton(IDC_PB_CHANGE_FONT)~enable
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::method onFont
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expose editControl newFont
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newFont = self~createFontEx("Courier", 12)
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editControl~setFont(newFont)
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self~newPushButton(IDC_PB_CHANGE_FONT)~disable
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::method leaving
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expose newFont
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if newFont \= .nil then self~deleteFont(newFont)
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::method abort private
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j = errorDialog("There is an unexplained error. Program Abort")
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return self~cancel
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