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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 "tracetreeitem.hpp" | |
26 | ||
27 | namespace pv { | |
28 | namespace views { | |
29 | namespace TraceView { | |
30 | ||
31 | TraceTreeItem::TraceTreeItem() : | |
32 | owner_(nullptr), | |
33 | layout_v_offset_(0), | |
34 | visual_v_offset_(0), | |
35 | v_offset_animation_(this, "visual_v_offset") | |
36 | { | |
37 | } | |
38 | ||
39 | void TraceTreeItem::select(bool select) | |
40 | { | |
41 | ViewItem::select(select); | |
42 | owner_->row_item_appearance_changed(true, true); | |
43 | } | |
44 | ||
45 | int TraceTreeItem::layout_v_offset() const | |
46 | { | |
47 | return layout_v_offset_; | |
48 | } | |
49 | ||
50 | void TraceTreeItem::set_layout_v_offset(int v_offset) | |
51 | { | |
52 | if (layout_v_offset_ == v_offset) | |
53 | return; | |
54 | ||
55 | layout_v_offset_ = v_offset; | |
56 | ||
57 | if (owner_) | |
58 | owner_->extents_changed(false, true); | |
59 | } | |
60 | ||
61 | int TraceTreeItem::visual_v_offset() const | |
62 | { | |
63 | return visual_v_offset_; | |
64 | } | |
65 | ||
66 | void TraceTreeItem::set_visual_v_offset(int v_offset) | |
67 | { | |
68 | visual_v_offset_ = v_offset; | |
69 | ||
70 | if (owner_) | |
71 | owner_->row_item_appearance_changed(true, true); | |
72 | } | |
73 | ||
74 | void TraceTreeItem::force_to_v_offset(int v_offset) | |
75 | { | |
76 | v_offset_animation_.stop(); | |
77 | layout_v_offset_ = visual_v_offset_ = v_offset; | |
78 | ||
79 | if (owner_) { | |
80 | owner_->row_item_appearance_changed(true, true); | |
81 | owner_->extents_changed(false, true); | |
82 | } | |
83 | } | |
84 | ||
85 | void TraceTreeItem::animate_to_layout_v_offset() | |
86 | { | |
87 | if (visual_v_offset_ == layout_v_offset_ || | |
88 | (v_offset_animation_.endValue() == layout_v_offset_ && | |
89 | v_offset_animation_.state() == QAbstractAnimation::Running)) | |
90 | return; | |
91 | ||
92 | v_offset_animation_.setDuration(100); | |
93 | v_offset_animation_.setStartValue(visual_v_offset_); | |
94 | v_offset_animation_.setEndValue(layout_v_offset_); | |
95 | v_offset_animation_.setEasingCurve(QEasingCurve::OutQuad); | |
96 | v_offset_animation_.start(); | |
97 | } | |
98 | ||
99 | TraceTreeItemOwner* TraceTreeItem::owner() const | |
100 | { | |
101 | return owner_; | |
102 | } | |
103 | ||
104 | void TraceTreeItem::set_owner(TraceTreeItemOwner *owner) | |
105 | { | |
106 | assert(owner_ || owner); | |
107 | v_offset_animation_.stop(); | |
108 | ||
109 | if (owner_) { | |
110 | const int owner_offset = owner_->owner_visual_v_offset(); | |
111 | layout_v_offset_ += owner_offset; | |
112 | visual_v_offset_ += owner_offset; | |
113 | } | |
114 | ||
115 | owner_ = owner; | |
116 | ||
117 | if (owner_) { | |
118 | const int owner_offset = owner_->owner_visual_v_offset(); | |
119 | layout_v_offset_ -= owner_offset; | |
120 | visual_v_offset_ -= owner_offset; | |
121 | } | |
122 | } | |
123 | ||
124 | int TraceTreeItem::get_visual_y() const | |
125 | { | |
126 | assert(owner_); | |
127 | return visual_v_offset_ + owner_->owner_visual_v_offset(); | |
128 | } | |
129 | ||
130 | void TraceTreeItem::drag_by(const QPoint &delta) | |
131 | { | |
132 | assert(owner_); | |
133 | force_to_v_offset(drag_point_.y() + delta.y() - | |
134 | owner_->owner_visual_v_offset()); | |
135 | } | |
136 | ||
137 | QPoint TraceTreeItem::point(const QRect &rect) const | |
138 | { | |
139 | return QPoint(rect.right(), get_visual_y()); | |
140 | } | |
141 | ||
142 | void TraceTreeItem::set_bgcolour_state(bool state) | |
143 | { | |
144 | bgcolour_state_ = state; | |
145 | } | |
146 | ||
147 | } // namespace TraceView | |
148 | } // namespace views | |
149 | } // namespace pv |