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Commit | Line | Data |
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ccdd3ef5 | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
ccdd3ef5 JH |
3 | * |
4 | * Copyright (C) 2012 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 | ||
640d091b UH |
21 | #ifndef PULSEVIEW_PV_VIEW_RULER_H |
22 | #define PULSEVIEW_PV_VIEW_RULER_H | |
ccdd3ef5 | 23 | |
f9abf97e | 24 | #include <memory> |
58864c5c | 25 | |
2acdb232 | 26 | #include "marginwidget.hpp" |
ccdd3ef5 JH |
27 | |
28 | namespace pv { | |
29 | namespace view { | |
30 | ||
819e2e95 | 31 | class TimeItem; |
6871ee9f | 32 | class ViewItem; |
819e2e95 | 33 | |
c23b29d6 | 34 | class Ruler : public MarginWidget |
ccdd3ef5 JH |
35 | { |
36 | Q_OBJECT | |
37 | ||
38 | private: | |
249229ec JH |
39 | |
40 | /// Height of the ruler in multipes of the text height | |
41 | static const float RulerHeight; | |
42 | ||
ccdd3ef5 | 43 | static const int MinorTickSubdivision; |
ccdd3ef5 | 44 | |
415341a1 JH |
45 | /// Height of the hover arrow in multiples of the text height |
46 | static const float HoverArrowSize; | |
b3a7c013 | 47 | |
ccdd3ef5 JH |
48 | public: |
49 | Ruler(View &parent); | |
50 | ||
a6c1726e JH |
51 | public: |
52 | QSize sizeHint() const; | |
53 | ||
819e2e95 JH |
54 | /** |
55 | * The extended area that the header widget would like to be sized to. | |
56 | * @remarks This area is the area specified by sizeHint, extended by | |
57 | * the area to overlap the viewport. | |
58 | */ | |
59 | QSize extended_size_hint() const; | |
60 | ||
25a0d47c | 61 | private: |
3e124bee JH |
62 | /** |
63 | * Gets the time items. | |
64 | */ | |
65 | std::vector< std::shared_ptr<pv::view::ViewItem> > items(); | |
66 | ||
6871ee9f JH |
67 | /** |
68 | * Gets the first view item which has a label that contains @c pt . | |
69 | * @param pt the point to search with. | |
70 | * @return the view item that has been found, or and empty | |
71 | * @c shared_ptr if no item was found. | |
72 | */ | |
73 | std::shared_ptr<pv::view::ViewItem> get_mouse_over_item( | |
25a0d47c JH |
74 | const QPoint &pt); |
75 | ||
ccdd3ef5 JH |
76 | private: |
77 | void paintEvent(QPaintEvent *event); | |
78 | ||
819e2e95 | 79 | void mouseMoveEvent(QMouseEvent *e); |
819e2e95 | 80 | void mouseReleaseEvent(QMouseEvent *); |
819e2e95 JH |
81 | |
82 | void mouseDoubleClickEvent(QMouseEvent *e); | |
83 | ||
b3a7c013 JH |
84 | private: |
85 | /** | |
86 | * Draw a hover arrow under the cursor position. | |
249229ec JH |
87 | * @param p The painter to draw into. |
88 | * @param text_height The height of a single text ascent. | |
b3a7c013 | 89 | */ |
249229ec | 90 | void draw_hover_mark(QPainter &p, int text_height); |
b3a7c013 | 91 | |
e456e8e1 | 92 | int calculate_text_height() const; |
819e2e95 | 93 | |
e9213170 | 94 | private Q_SLOTS: |
b3a7c013 | 95 | void hover_point_changed(); |
ccdd3ef5 JH |
96 | }; |
97 | ||
98 | } // namespace view | |
99 | } // namespace pv | |
100 | ||
640d091b | 101 | #endif // PULSEVIEW_PV_VIEW_RULER_H |