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Diffstat (limited to 'attic/muse2-oom/muse2/muse/widgets/sclif.cpp')
| -rw-r--r-- | attic/muse2-oom/muse2/muse/widgets/sclif.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/attic/muse2-oom/muse2/muse/widgets/sclif.cpp b/attic/muse2-oom/muse2/muse/widgets/sclif.cpp deleted file mode 100644 index 8740bc53..00000000 --- a/attic/muse2-oom/muse2/muse/widgets/sclif.cpp +++ /dev/null @@ -1,205 +0,0 @@ -//========================================================= -// MusE -// Linux Music Editor -// $Id: sclif.cpp,v 1.1.1.1 2003/10/27 18:55:10 wschweer Exp $ - -// Copyright (C) 1997 Josef Wilgen -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License, version 2, -// as published by the Free Software Foundation. -// -// (C) Copyright 2000 Werner Schweer (ws@seh.de) -//========================================================= - -#include "sclif.h" - -// ScaleIf - An interface class for widgets containing a scale -// -// This interface class is used to provide classes -// with a protected ScaleDraw member and a public -// interface to access that scale. -// -// The primary purpose of this class is to define -// a common interface for classes which are supposed to -// contain a ScaleDraw class. It provides a protected -// ScaleDraw member -// called d_scale and a couple of public member functions -// which allow direct but restricted access -// to this scale by the user. -// Widgets derived from this class have -// to implement the member function scaleChange(), -// which is called to notify changes of the -// scale parameters and usually requires repainting or -// resizing respectively. -// In general, a class derived from ScaleIf is -// expected to manage the division and the position of its scale internally -// when no user-defined scale is set. It should take the d_maxMinor -// and d_maxMajor members into account, which can be set by the user. -// An implementation can check if a user-defined scale is set by calling the -// @ScaleIf::hasUserScale@ member. - -//------------------------------------------------------------ -// ScaleIf::ScaleIf -// Construct a ScaleIf instance -// -// Syntax -// ScaleIf::ScaleIf() -//------------------------------------------------------------ - -ScaleIf::ScaleIf() - { - d_userScale = FALSE; - d_maxMajor = 5; - d_maxMinor = 3; - d_scale.setScale(0.0,100.0,d_maxMajor, d_maxMinor); - } - -//------------------------------------------------------------ -// ScaleIf::setScale (1) -// Specify a user-defined scale. -// -// Syntax -// void ScaleIf::setScale(double vmin, double vmax, int logarithmic) -// -// Parameters -// double vmin, double vmax -- boundary values -// int logarithmic -- If != 0, Build a logarithmic scale -// -// Description -// By default, the widget is supposed to control the range of its scale -// automatically, but sometimes it is desirable to have a user-defined -// scale which is not in sync with -// the widget's range, e.g. if a logarithmic scale is needed -// (sliders don't support that) or if the scale is required -// to have a fixed range (say 0...100%), independent of the -// widget's range. -// -// See also -// @ScaleIf::autoScale@ -//------------------------------------------------------------ - -void ScaleIf::setScale(double vmin, double vmax, int logarithmic) - { - setScale(vmin,vmax,0.0,logarithmic); - } - -//------------------------------------------------------------ -// ScaleIf::setScale (2) -// Specify a user-defined scale. -// -// Syntax -// void ScaleIf::setScale(double vmin, double vmax, int logarithmic) -// -// Parameters -// double vmin, double vmax -- interval boundaries -// int step -- major step size -// int logarithmic -- If != 0, build a logarithmic scale -// -// Description -// By default, the widget is supposed to control the range of its scale -// automatically, but sometimes it is desirable to have a user-defined -// scale which is not in sync with -// the widget's range, e.g. if a logarithmic scale is needed -// (sliders don't support that) or if the scale is required -// to have a fixed range (say 0...100%), independent of the -// widget's range. -//------------------------------------------------------------ - -void ScaleIf::setScale(double vmin, double vmax, double step, int logarithmic) - { - ScaleDiv oldscl(d_scale.scaleDiv()); - - d_scale.setScale(vmin, vmax, d_maxMajor, d_maxMinor, step, logarithmic); - d_userScale = TRUE; - if (oldscl != d_scale.scaleDiv()) - scaleChange(); - } - -//------------------------------------------------------------ -// Scale::setScale -// Assign a user-defined scale division -// -// Syntax -// void Scale::setScale(const ScaleDiv &s) -// -// Parameters -// const ScaleDiv &s -- scale division -//------------------------------------------------------------ - -void ScaleIf::setScale(const ScaleDiv &s) - { - d_scale.setScale(s); - scaleChange(); - } - -//------------------------------------------------------------ -// ScaleIf::autoScale -// Advise the widget to control the scale range -// internally. -// Syntax -// void ScaleIf::autoScale -// -// Description -// Autoscaling is on by default. -//------------------------------------------------------------ - -void ScaleIf::autoScale() - { - if (!d_userScale) { - d_userScale = FALSE; - scaleChange(); - } - } - -//------------------------------------------------------------ -// ScaleIf::setScaleMaxMajor -// Set the maximum number of major tick intervals. -// -// Syntax -// void ScaleIf::setScaleMaxMajor(int ticks) -// -// Parameters -// int ticks -- maximal number of major ticks. -// -// Description -// The scale's major ticks are calculated automatically such that -// the number of major intervals does not exceed <ticks>. -// The default value is 5. -//------------------------------------------------------------ - -void ScaleIf::setScaleMaxMajor(int ticks) - { - if (ticks != d_maxMajor) { - d_maxMajor = ticks; - d_scale.setScale(d_scale.scaleDiv().lBound(), d_scale.scaleDiv().hBound(), - d_maxMajor, d_maxMinor, 0.0,d_scale.scaleDiv().logScale()); - scaleChange(); - } - } - -//------------------------------------------------------------ -// ScaleIf::setScaleMaxMinor -// Set the maximum number of minor tick intervals -// -// Syntax -// void ScaleIf::setScaleMaxMinor(int ticks) -// -// Parameters -// int ticks -// -// Description -// The scale's minor ticks are calculated automatically such that -// the number of minor intervals does not exceed <ticks>. -// The default value is 3. -//------------------------------------------------------------ - -void ScaleIf::setScaleMaxMinor(int ticks) - { - if ( ticks != d_maxMinor) { - d_maxMinor = ticks; - d_scale.setScale(d_scale.scaleDiv().lBound(), d_scale.scaleDiv().hBound(), - d_maxMajor, d_maxMinor, 0.0, d_scale.scaleDiv().logScale()); - scaleChange(); - } - } - |