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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <assert.h> | |
22 | ||
23 | #include "view.hpp" | |
24 | ||
25 | #include "rowitem.hpp" | |
26 | ||
27 | namespace pv { | |
28 | namespace view { | |
29 | ||
30 | RowItem::RowItem() : | |
31 | owner_(NULL), | |
32 | layout_v_offset_(0), | |
33 | visual_v_offset_(0), | |
34 | v_offset_animation_(this, "visual_v_offset") | |
35 | { | |
36 | } | |
37 | ||
38 | int RowItem::layout_v_offset() const | |
39 | { | |
40 | return layout_v_offset_; | |
41 | } | |
42 | ||
43 | void RowItem::set_layout_v_offset(int v_offset) | |
44 | { | |
45 | if (layout_v_offset_ == v_offset) | |
46 | return; | |
47 | ||
48 | layout_v_offset_ = v_offset; | |
49 | ||
50 | if (owner_) | |
51 | owner_->extents_changed(false, true); | |
52 | } | |
53 | ||
54 | int RowItem::visual_v_offset() const | |
55 | { | |
56 | return visual_v_offset_; | |
57 | } | |
58 | ||
59 | void RowItem::set_visual_v_offset(int v_offset) | |
60 | { | |
61 | visual_v_offset_ = v_offset; | |
62 | ||
63 | if (owner_) | |
64 | owner_->appearance_changed(true, true); | |
65 | } | |
66 | ||
67 | void RowItem::force_to_v_offset(int v_offset) | |
68 | { | |
69 | v_offset_animation_.stop(); | |
70 | layout_v_offset_ = visual_v_offset_ = v_offset; | |
71 | } | |
72 | ||
73 | void RowItem::animate_to_layout_v_offset() | |
74 | { | |
75 | if (visual_v_offset_ == layout_v_offset_ || | |
76 | (v_offset_animation_.endValue() == layout_v_offset_ && | |
77 | v_offset_animation_.state() == QAbstractAnimation::Running)) | |
78 | return; | |
79 | ||
80 | v_offset_animation_.setDuration(100); | |
81 | v_offset_animation_.setStartValue(visual_v_offset_); | |
82 | v_offset_animation_.setEndValue(layout_v_offset_); | |
83 | v_offset_animation_.setEasingCurve(QEasingCurve::OutQuad); | |
84 | v_offset_animation_.start(); | |
85 | } | |
86 | ||
87 | RowItemOwner* RowItem::owner() const | |
88 | { | |
89 | return owner_; | |
90 | } | |
91 | ||
92 | void RowItem::set_owner(RowItemOwner *owner) | |
93 | { | |
94 | assert(owner_ || owner); | |
95 | v_offset_animation_.stop(); | |
96 | ||
97 | if (owner_) { | |
98 | const int owner_offset = owner_->owner_visual_v_offset(); | |
99 | layout_v_offset_ += owner_offset; | |
100 | visual_v_offset_ += owner_offset; | |
101 | } | |
102 | ||
103 | owner_ = owner; | |
104 | ||
105 | if (owner_) { | |
106 | const int owner_offset = owner_->owner_visual_v_offset(); | |
107 | layout_v_offset_ -= owner_offset; | |
108 | visual_v_offset_ -= owner_offset; | |
109 | } | |
110 | } | |
111 | ||
112 | int RowItem::get_visual_y() const | |
113 | { | |
114 | assert(owner_); | |
115 | return visual_v_offset_ + owner_->owner_visual_v_offset(); | |
116 | } | |
117 | ||
118 | QPoint RowItem::point() const | |
119 | { | |
120 | return QPoint(0, visual_v_offset()); | |
121 | } | |
122 | ||
123 | void RowItem::paint_back(QPainter &p, const RowItemPaintParams &pp) | |
124 | { | |
125 | (void)p; | |
126 | (void)pp; | |
127 | } | |
128 | ||
129 | void RowItem::paint_mid(QPainter &p, const RowItemPaintParams &pp) | |
130 | { | |
131 | (void)p; | |
132 | (void)pp; | |
133 | } | |
134 | ||
135 | void RowItem::paint_fore(QPainter &p, const RowItemPaintParams &pp) | |
136 | { | |
137 | (void)p; | |
138 | (void)pp; | |
139 | } | |
140 | ||
141 | void RowItem::hover_point_changed() | |
142 | { | |
143 | } | |
144 | ||
145 | } // namespace view | |
146 | } // namespace pv |