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
|
/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "treecombobox.h"
#include <tqpainter.h>
TreeListBoxItem::TreeListBoxItem(TQListBox *lb, const TQPixmap& pix, const TQString& txt, bool oneBlock)
: TQListBoxPixmap(pix, txt)
{
if (oneBlock)
m_path = TQStringList(txt);
else
m_path = TQStringList::split('/', text(), false);
m_depth = m_path.count()-1;
m_child = m_next = m_parent = 0;
// insert into QListBox
if (m_depth == 0)
{
TreeListBoxItem *item = static_cast<TreeListBoxItem*>(lb->item(0));
while (item && item->m_next)
item = item->m_next;
lb->insertItem(this);
if (item)
item->m_next = this;
}
else
{
TQString parentStr = txt.left(txt.length()-m_path[m_depth].length()-1);
TreeListBoxItem *parentItem = static_cast<TreeListBoxItem*>(lb->findItem(parentStr, TQt::ExactMatch));
if (!parentItem)
{
// parent not found, add parent first into QListBox
parentItem = new TreeListBoxItem(lb, TQPixmap(), parentStr);
}
// search last "child" of the parent item, to put the new one
// at the end
TreeListBoxItem *childItem = static_cast<TreeListBoxItem*>(parentItem), *prevItem = 0;
while (childItem->next())
{
TreeListBoxItem *nextItem = static_cast<TreeListBoxItem*>(childItem->next());
if (nextItem->m_depth >= m_depth)
{
childItem = nextItem;
if (childItem->m_depth == m_depth)
prevItem = childItem;
}
else
break;
}
// eventually insert item
lb->insertItem(this, childItem);
m_parent = parentItem;
if (prevItem)
prevItem->m_next = this;
else
parentItem->m_child = this;
}
}
int TreeListBoxItem::width(const TQListBox *lb) const
{
int w = m_depth * stepSize() + 2;
if (pixmap())
w += (pixmap()->width() + 2);
if (!m_path[m_depth].isEmpty())
w += (lb->fontMetrics().width(m_path[m_depth]) + 2);
return TQMAX(w, TQListBoxPixmap::width(lb));
}
void TreeListBoxItem::paint(TQPainter *p)
{
if(!static_cast<TreeListBox*>(listBox())->m_painting)
{
TQListBoxPixmap::paint(p);
return;
}
const TQPixmap *pix = pixmap();
TQRect r = p->viewport();
int h = height(listBox());
int xo = (m_depth * stepSize() + 2);
int yo = (pix ? (h-pix->height())/2 : 0);
if (m_depth > 0)
{
TQPen oldPen = p->pen();
p->setPen(listBox()->colorGroup().mid());
TreeListBoxItem *item = this;
int s = xo-stepSize()/2;
p->drawLine(s, r.top(), s, h/2);
p->drawLine(s, h/2, s+stepSize()/2-2, h/2);
while (item->m_parent)
{
if (item->m_next)
p->drawLine(s, r.top(), s, h);
item = item->m_parent;
s -= stepSize();
}
p->setPen(oldPen);
}
if (pix)
{
p->drawPixmap(xo, yo, *pix);
xo += (pix->width() + 2);
}
p->drawText(xo, 0, r.width()-xo, height(listBox()), Qt::AlignLeft, m_path[m_depth]);
}
//-----------------------------------------------------------------------------------------
TreeListBox::TreeListBox(TQWidget *parent, const char *name)
: TQListBox(parent, name)
{
m_painting = false;
}
void TreeListBox::paintCell(TQPainter *p, int row, int col)
{
m_painting = true;
TQListBox::paintCell(p, row, col);
m_painting = false;
}
//-----------------------------------------------------------------------------------------
TreeComboBox::TreeComboBox(TQWidget *parent, const char *name)
: TQComboBox(parent, name)
{
m_listbox = new TreeListBox(this);
setListBox(m_listbox);
}
void TreeComboBox::insertItem(const TQPixmap& pix, const TQString& txt, bool oneBlock)
{
new TreeListBoxItem(m_listbox, pix, txt, oneBlock);
}
|
