1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* This file is part of Magellan <http://www.kAlliance.org/Magellan>
*
* Copyright (c) 1998-2000 Teodor Mihai <teddy@ireland.com>
* Copyright (c) 1998-2000 Laur Ivan <laur.ivan@ul.ie>
* Copyright (c) 1999-2000 Virgil Palanciuc <vv@ulise.cs.pub.ro>
*
* Requires the Qt widget libraries, available at no cost at
* http://www.troll.no/
*
* Also requires the KDE libraries, available at no cost at
* http://www.kde.org/
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <cardheading.h>
#include <stdio.h>
#include <qlayout.h>
#define DEBUG_CARD_HEADING
CardHeadingButton::CardHeadingButton( const QString& text, const QString& x_, CardHeading* parent, const char* name )
: QPushButton(text,parent,name), x(x_)
{
connect(this,SIGNAL(activate(const QString&)),parent,SLOT(buttonActivated(const QString&)));
connect(this,SIGNAL(clicked()),SLOT(clicked()));
setFixedSize(38,20);
}
CardHeadingButton::~CardHeadingButton()
{
}
void CardHeadingButton::clicked()
{
emit activate(x);
}
// this array contains the prefix letter usage statistics
int ustat[26]={ 51 /*A*/, 48 /*B*/, 78 /*C*/, 41 /*D*/, 28 /*E*/, 38 /*F*/, 30 /*G*/, 33 /*H*/, 26 /*I*/,
10 /*J*/, 9 /*K*/, 29 /*L*/, 45 /*M*/, 18 /*N*/, 21 /*O*/, 76 /*P*/, 5 /*Q*/, 44 /*R*/,
110 /*S*/, 46 /*T*/, 15 /*U*/, 12 /*V*/, 29 /*W*/, 1 /*X*/, 4 /*Y*/, 3 /*Z*/};
CardHeading::CardHeading(QWidget *parent, const char *name):QWidget(parent, name)
{
buttonList.setAutoDelete(false);
layout = 0L;
setFixedWidth(40);
}
CardHeading::~CardHeading()
{
}
void CardHeading::resizeEvent(QResizeEvent *e)
{
#ifdef DEBUG_CARD_HEADING
printf("Resize event received. New height:%d\n", e->size().height());
#endif
QWidget::resizeEvent(e);
static int oldBtnCount;
// find out the new number of buttons
int n=height()/20;
n=n>27?27:n;
if(n==oldBtnCount)
return;
#ifdef DEBUG_CARD_HEADING
printf("Computing structure for %d buttons..\n", n);
#endif
buttonList.setAutoDelete(true);
buttonList.clear();
buttonList.setAutoDelete(false);
if (layout)
delete layout;
layout = new QVBoxLayout(this,2,0);
CardHeadingButton *nlabel=new CardHeadingButton("1,2,3", "1", this);
layout->addWidget(nlabel);
buttonList.append(nlabel);
float totalWeight=0, currentWeight=0, groupWeight;
for(int i=0;i<26;i++)
totalWeight+=ustat[i];
groupWeight=n>26?0:totalWeight/(n-1);
QStringList lgroup;
QString ltxt;
int k=0;
while(k<26)
{
// add letter to the existing group
lgroup.append(QString(QChar(k+97)));
currentWeight+=ustat[k];
if(currentWeight>=groupWeight)
{
// make a new group
if(lgroup.count()>3)
ltxt=lgroup.first()+"-"+lgroup.last();
else
// {
ltxt=lgroup.join(",");
// for(int i=0;i<lgroup.count();i++)
// ltxt+=lgroup[i]+",";
// ltxt.remove(ltxt.length()-1, 1);
// }
CardHeadingButton *label=new CardHeadingButton(ltxt, lgroup.first(), this);
layout->addWidget(label);
buttonList.append(label);
ltxt="";
lgroup.clear();
currentWeight=0;
}
k++;
}
if(!ltxt.isEmpty())
{
// make a new group
if(lgroup.count()>3)
ltxt=lgroup.first()+"-"+lgroup.last();
else
// {
ltxt=lgroup.join(",");
// for(int i=0;i<lgroup.count();i++)
// ltxt+=lgroup[i]+",";
// ltxt.remove(ltxt.length()-1, 1);
// }
CardHeadingButton *label=new CardHeadingButton(ltxt, lgroup.first(), this);
layout->addWidget(label);
buttonList.append(label);
}
for(int i=0;i<buttonList.count();i++)
buttonList.at(i)->show();
oldBtnCount=n;
}
void CardHeading::buttonActivated(const QString& x)
{
debug(x);
emit clicked(x);
}
|
