]>
Commit | Line | Data |
---|---|---|
c23b29d6 JH |
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 | ||
6a2cc8dd | 21 | #include <QApplication> |
2155b66b JH |
22 | #include <QMenu> |
23 | #include <QMouseEvent> | |
24 | ||
2acdb232 | 25 | #include "view.hpp" |
c23b29d6 | 26 | |
2acdb232 | 27 | #include "marginwidget.hpp" |
c23b29d6 | 28 | |
786b7678 JH |
29 | #include <pv/widgets/popup.hpp> |
30 | ||
31 | using std::shared_ptr; | |
32 | ||
c23b29d6 JH |
33 | namespace pv { |
34 | namespace view { | |
35 | ||
36 | MarginWidget::MarginWidget(View &parent) : | |
37 | QWidget(&parent), | |
f4433aa9 JH |
38 | view_(parent), |
39 | dragging_(false) | |
c23b29d6 | 40 | { |
e02e05c6 | 41 | setAttribute(Qt::WA_NoSystemBackground, true); |
dbfae3f1 JH |
42 | setFocusPolicy(Qt::ClickFocus); |
43 | setMouseTracking(true); | |
c23b29d6 JH |
44 | } |
45 | ||
786b7678 JH |
46 | void MarginWidget::show_popup(const shared_ptr<ViewItem> &item) |
47 | { | |
48 | pv::widgets::Popup *const p = item->create_popup(this); | |
49 | if (p) | |
50 | p->show(); | |
51 | } | |
52 | ||
6a2cc8dd JH |
53 | void MarginWidget::mouse_left_press_event(QMouseEvent *event) |
54 | { | |
55 | (void)event; | |
56 | ||
57 | const bool ctrl_pressed = | |
58 | QApplication::keyboardModifiers() & Qt::ControlModifier; | |
59 | ||
60 | // Clear selection if control is not pressed and this item is unselected | |
61 | if ((!mouse_down_item_ || !mouse_down_item_->selected()) && | |
62 | !ctrl_pressed) | |
63 | clear_selection(); | |
64 | ||
65 | // Set the signal selection state if the item has been clicked | |
66 | if (mouse_down_item_) { | |
67 | if (ctrl_pressed) | |
68 | mouse_down_item_->select(!mouse_down_item_->selected()); | |
69 | else | |
70 | mouse_down_item_->select(true); | |
71 | } | |
72 | ||
73 | // Save the offsets of any signals which will be dragged | |
74 | const auto items = this->items(); | |
75 | for (auto &i : items) | |
76 | if (i->selected()) | |
77 | i->drag(); | |
78 | ||
79 | selection_changed(); | |
80 | update(); | |
81 | } | |
82 | ||
83 | void MarginWidget::mousePressEvent(QMouseEvent *event) | |
84 | { | |
85 | assert(event); | |
86 | ||
87 | mouse_down_point_ = event->pos(); | |
88 | mouse_down_item_ = get_mouse_over_item(event->pos()); | |
89 | ||
90 | if (event->button() & Qt::LeftButton) | |
91 | mouse_left_press_event(event); | |
92 | } | |
93 | ||
19552bb8 JH |
94 | void MarginWidget::leaveEvent(QEvent*) |
95 | { | |
96 | mouse_point_ = QPoint(-1, -1); | |
97 | update(); | |
98 | } | |
99 | ||
2155b66b JH |
100 | void MarginWidget::contextMenuEvent(QContextMenuEvent *event) |
101 | { | |
102 | const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_); | |
103 | if (!r) | |
104 | return; | |
105 | ||
106 | QMenu *menu = r->create_context_menu(this); | |
107 | if (menu) | |
108 | menu->exec(event->globalPos()); | |
109 | } | |
110 | ||
84a0d458 JS |
111 | void MarginWidget::clear_selection() |
112 | { | |
5a6a4ce3 JH |
113 | const auto items = this->items(); |
114 | for (auto &i : items) | |
115 | i->select(false); | |
116 | update(); | |
84a0d458 JS |
117 | } |
118 | ||
c23b29d6 JH |
119 | } // namespace view |
120 | } // namespace pv |