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<h2><a name="content"></a>kalarm/lib</h2>
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<h1>spinbox.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * spinbox.h - spin box with shift-click step value and read-only option</span>
<a name="l00003"></a>00003 <span class="comment"> * Program: kalarm</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright © 2002-2006 by David Jarvie <software@astrojar.org.uk></span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> * (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00017"></a>00017 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00018"></a>00018 <span class="comment"> * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef SPINBOX_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define SPINBOX_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <qspinbox.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026
<a name="l00042"></a><a class="code" href="classSpinBox.html">00042</a> <span class="keyword">class </span><a class="code" href="classSpinBox.html" title="Spin box with accelerated shift key stepping and read-only option.">SpinBox</a> : <span class="keyword">public</span> QSpinBox
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 Q_OBJECT
<a name="l00045"></a>00045 <span class="keyword">public</span>:
<a name="l00050"></a>00050 <span class="keyword">explicit</span> <a class="code" href="classSpinBox.html#dcb1359a372e53bafa288fc3097d04a9" title="Constructor.">SpinBox</a>(QWidget* parent = 0, <span class="keyword">const</span> <span class="keywordtype">char</span>* name = 0);
<a name="l00058"></a>00058 <a class="code" href="classSpinBox.html#dcb1359a372e53bafa288fc3097d04a9" title="Constructor.">SpinBox</a>(<span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#553f40b27405c2728f27c1d4d4c5fc28" title="Returns the minimum value of the spin box.">minValue</a>, <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#196e47ff94596c99471fd4e4ed79c53c" title="Returns the maximum value of the spin box.">maxValue</a>, <span class="keywordtype">int</span> step = 1, QWidget* parent = 0, <span class="keyword">const</span> <span class="keywordtype">char</span>* name = 0);
<a name="l00060"></a><a class="code" href="classSpinBox.html#cdef44fb31ebe6758f12596d88ac0987">00060</a> <span class="keywordtype">bool</span> <a class="code" href="classSpinBox.html#cdef44fb31ebe6758f12596d88ac0987" title="Returns true if the widget is read only.">isReadOnly</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mReadOnly; }
<a name="l00064"></a>00064 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#3a26b2abea7b8a959654fde1c680a41b" title="Sets whether the spin box can be changed by the user.">setReadOnly</a>(<span class="keywordtype">bool</span> readOnly);
<a name="l00066"></a><a class="code" href="classSpinBox.html#99e3e0190a53db95c6fe4ff121ceeae7">00066</a> <span class="keywordtype">bool</span> <a class="code" href="classSpinBox.html#99e3e0190a53db95c6fe4ff121ceeae7" title="Returns whether the spin box value text is selected when its value is stepped.">selectOnStep</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mSelectOnStep; }
<a name="l00068"></a><a class="code" href="classSpinBox.html#3a20613c26983ec23a79a5dc9edfca9f">00068</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#3a20613c26983ec23a79a5dc9edfca9f" title="Sets whether the spin box value text should be selected when its value is stepped...">setSelectOnStep</a>(<span class="keywordtype">bool</span> sel) { mSelectOnStep = sel; }
<a name="l00070"></a><a class="code" href="classSpinBox.html#ad8d9b8b50135ad0b7962b9b7282a454">00070</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#ad8d9b8b50135ad0b7962b9b7282a454" title="Adds a value to the current value of the spin box.">addValue</a>(<span class="keywordtype">int</span> change) { <a class="code" href="classSpinBox.html#ad8d9b8b50135ad0b7962b9b7282a454" title="Adds a value to the current value of the spin box.">addValue</a>(change, <span class="keyword">false</span>); }
<a name="l00072"></a><a class="code" href="classSpinBox.html#553f40b27405c2728f27c1d4d4c5fc28">00072</a> <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#553f40b27405c2728f27c1d4d4c5fc28" title="Returns the minimum value of the spin box.">minValue</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mMinValue; }
<a name="l00074"></a><a class="code" href="classSpinBox.html#196e47ff94596c99471fd4e4ed79c53c">00074</a> <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#196e47ff94596c99471fd4e4ed79c53c" title="Returns the maximum value of the spin box.">maxValue</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mMaxValue; }
<a name="l00076"></a>00076 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#3f6a1cc90f0a30b36f5d298b04946bab" title="Sets the minimum value of the spin box.">setMinValue</a>(<span class="keywordtype">int</span> val);
<a name="l00078"></a>00078 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#ced890cbf5c79918666ddd8b64ab881f" title="Sets the maximum value of the spin box.">setMaxValue</a>(<span class="keywordtype">int</span> val);
<a name="l00080"></a><a class="code" href="classSpinBox.html#787968e41112c029244d50169315df7a">00080</a> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#787968e41112c029244d50169315df7a" title="Sets the minimum and maximum values of the spin box.">setRange</a>(<span class="keywordtype">int</span> minValue, <span class="keywordtype">int</span> maxValue) { <a class="code" href="classSpinBox.html#3f6a1cc90f0a30b36f5d298b04946bab" title="Sets the minimum value of the spin box.">setMinValue</a>(minValue); <a class="code" href="classSpinBox.html#ced890cbf5c79918666ddd8b64ab881f" title="Sets the maximum value of the spin box.">setMaxValue</a>(maxValue); }
<a name="l00082"></a>00082 <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#f181fb172bd12aa10bf9e2d31c713bf3" title="Returns the specified value clamped to the range of the spin box.">bound</a>(<span class="keywordtype">int</span> val) <span class="keyword">const</span>;
<a name="l00086"></a><a class="code" href="classSpinBox.html#018aab8c9142cb758eded8585c07aee9">00086</a> <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#018aab8c9142cb758eded8585c07aee9" title="Returns the unshifted step increment, i.e.">lineStep</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mLineStep; }
<a name="l00090"></a>00090 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#888b8e243d35a890370cda29441219cb" title="Sets the unshifted step increment, i.e.">setLineStep</a>(<span class="keywordtype">int</span> step);
<a name="l00094"></a><a class="code" href="classSpinBox.html#66efe863b9ba5ec3c38abfeb6d6c05ed">00094</a> <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#66efe863b9ba5ec3c38abfeb6d6c05ed" title="Returns the shifted step increment, i.e.">lineShiftStep</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mLineShiftStep; }
<a name="l00098"></a>00098 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#22475e965f4dd740445a691fdb996015" title="Sets the shifted step increment, i.e.">setLineShiftStep</a>(<span class="keywordtype">int</span> step);
<a name="l00099"></a>00099 <span class="keyword">public</span> slots:
<a name="l00101"></a>00101 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#5493937a6feff7bc2f210de8fb7b123b" title="Increments the value of the spin box by the unshifted step increment.">stepUp</a>();
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#c1617da27eb80d128df0494af817847f" title="Decrements the value of the spin box by the unshifted step increment.">stepDown</a>();
<a name="l00104"></a>00104 signals:
<a name="l00109"></a>00109 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#1b4a69165f170190f347a5af23719953" title="Signal emitted when the spin box&#39;s value is stepped (by the shifted or unshifted...">stepped</a>(<span class="keywordtype">int</span> step);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keyword">protected</span>:
<a name="l00113"></a>00113 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#06caba410f04dcca36f2a63786d5f187" title="A virtual method called whenever the value of the spin box has changed.">valueChange</a>();
<a name="l00124"></a>00124 <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classSpinBox.html#a7739d2b356775c869b4eea5f843f68d" title="Returns the initial adjustment to the value for a shift step up or down.">shiftStepAdjustment</a>(<span class="keywordtype">int</span> oldValue, <span class="keywordtype">int</span> shiftStep);
<a name="l00126"></a>00126 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classSpinBox.html#bcdea0118863d966f0e11fb09df5d69d" title="Receives events destined for the spin widget or for the edit field.">eventFilter</a>(QObject*, QEvent*);
<a name="l00130"></a>00130 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#fbfa83f25dbc2781ce8d9d2903062901" title="Updates the contents of the embedded QLineEdit to reflect the current value using...">updateDisplay</a>();
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keyword">private</span> slots:
<a name="l00133"></a>00133 <span class="keywordtype">void</span> textEdited();
<a name="l00134"></a>00134 <span class="keyword">private</span>:
<a name="l00135"></a>00135 <span class="keywordtype">void</span> init();
<a name="l00136"></a>00136 <span class="keywordtype">void</span> <a class="code" href="classSpinBox.html#ad8d9b8b50135ad0b7962b9b7282a454" title="Adds a value to the current value of the spin box.">addValue</a>(<span class="keywordtype">int</span> change, <span class="keywordtype">bool</span> current);
<a name="l00137"></a>00137 <span class="keywordtype">int</span> whichButton(<span class="keyword">const</span> QPoint&);
<a name="l00138"></a>00138 <span class="keywordtype">bool</span> setShiftStepping(<span class="keywordtype">bool</span>);
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keyword">enum</span> { NO_BUTTON, UP, DOWN };
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordtype">int</span> mMinValue;
<a name="l00143"></a>00143 <span class="keywordtype">int</span> mMaxValue;
<a name="l00144"></a>00144 <span class="keywordtype">int</span> mLineStep; <span class="comment">// step when spin arrows are pressed</span>
<a name="l00145"></a>00145 <span class="keywordtype">int</span> mLineShiftStep; <span class="comment">// step when spin arrows are pressed with shift key</span>
<a name="l00146"></a>00146 <span class="keywordtype">int</span> mCurrentButton; <span class="comment">// current spin widget button</span>
<a name="l00147"></a>00147 <span class="keywordtype">bool</span> mShiftMouse; <span class="comment">// true while left button is being held down with shift key</span>
<a name="l00148"></a>00148 <span class="keywordtype">bool</span> mShiftMinBound; <span class="comment">// true if a temporary minimum bound has been set during shift stepping</span>
<a name="l00149"></a>00149 <span class="keywordtype">bool</span> mShiftMaxBound; <span class="comment">// true if a temporary maximum bound has been set during shift stepping</span>
<a name="l00150"></a>00150 <span class="keywordtype">bool</span> mSelectOnStep; <span class="comment">// select the editor text whenever spin buttons are clicked (default)</span>
<a name="l00151"></a>00151 <span class="keywordtype">bool</span> mReadOnly; <span class="comment">// value cannot be changed</span>
<a name="l00152"></a>00152 <span class="keywordtype">bool</span> mSuppressSignals;
<a name="l00153"></a>00153 <span class="keywordtype">bool</span> mEdited; <span class="comment">// text field has been edited</span>
<a name="l00154"></a>00154 };
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="preprocessor">#endif // SPINBOX_H</span>
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