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
173
174
175
176
177
178
179
|
/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <tqlayout.h>
#include <tqsplitter.h>
#include "expandablewidget.h"
namespace kt
{
ExpandableWidget::ExpandableWidget(TQWidget* child,TQWidget *parent, const char *name)
: TQWidget(parent, name)
{
top_layout = new TQHBoxLayout(this);
child->reparent(this,TQPoint(),true);
// make top of stack
begin = new StackElement;
begin->w = child;
top_layout->add(child);
}
ExpandableWidget::~ExpandableWidget()
{
if (begin)
{
// delete begin->w;
delete begin;
}
}
void ExpandableWidget::expand(TQWidget* w,Position pos)
{
// create new element
StackElement* se = new StackElement;
se->w = w;
se->pos = pos;
se->next = begin;
// remove old top from tqlayout
top_layout->remove(begin->w);
// create new toplevel splitter
Qt::Orientation orientation = (pos == RIGHT || pos == LEFT) ? Qt::Horizontal : Qt::Vertical;
TQSplitter* s = new TQSplitter(orientation,this);;
se->s = s;
// reparent w and the bottom widget to s
w->reparent(s,TQPoint(),false);
if (begin->s)
begin->s->reparent(s,TQPoint(),false);
else
begin->w->reparent(s,TQPoint(),false);
// add w and the bottom widget to s
if (pos == RIGHT || pos == ABOVE)
{
s->moveToFirst(w);
s->setResizeMode(w,TQSplitter::KeepSize);
s->moveToLast(begin->s ? begin->s : begin->w);
}
else
{
s->moveToFirst(begin->s ? begin->s : begin->w);
s->moveToLast(w);
s->setResizeMode(w,TQSplitter::KeepSize);
}
// make se new top of stack
begin = se;
// add toplevel splitter to tqlayout
top_layout->add(s);
// show s
s->show();
}
void ExpandableWidget::remove(TQWidget* w)
{
// find the correct stackelement
StackElement* se = begin;
StackElement* prev = 0; // element before se
while (se->w != w && se->next)
{
prev = se;
se = se->next;
}
// do not remove last
if (!se->next)
return;
if (!prev)
{
// we need to remove the first
top_layout->remove(se->s);
// reparent current top to 0
se->w->reparent(0,TQPoint(),false);
se->s->reparent(0,TQPoint(),false);
// set new top
begin = se->next;
if (begin->s)
{
begin->s->reparent(this,TQPoint(),false);
top_layout->add(begin->s);
begin->s->show();
}
else
{
begin->w->reparent(this,TQPoint(),false);
top_layout->add(begin->w);
begin->w->show();
}
se->next = 0;
// delete splitter and se
delete se->s;
delete se;
}
else
{
StackElement* next = se->next;
// isolate the node
se->next = 0;
prev->next = next;
// reparent se to 0
se->s->reparent(0,TQPoint(),false);
se->w->reparent(0,TQPoint(),false);
// reparent se->next to prev
if (next->s)
next->s->reparent(prev->s,TQPoint(),false);
else
next->w->reparent(prev->s,TQPoint(),false);
// update prev's splitter
if (prev->pos == RIGHT || prev->pos == ABOVE)
{
prev->s->moveToFirst(prev->w);
prev->s->setResizeMode(prev->w,TQSplitter::KeepSize);
prev->s->moveToLast(next->s ? next->s : next->w);
prev->s->setResizeMode(next->s ? next->s : next->w,TQSplitter::KeepSize);
}
else
{
prev->s->moveToFirst(next->s ? next->s : next->w);
prev->s->setResizeMode(next->s ? next->s : next->w,TQSplitter::KeepSize);
prev->s->moveToLast(prev->w);
prev->s->setResizeMode(prev->w,TQSplitter::KeepSize);
}
// delete se and splitter
delete se->s;
delete se;
prev->next->w->show();
prev->s->show();
}
}
}
#include "expandablewidget.moc"
|
