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comparison DPF-Prymula-audioplugins/dpf/dgl/src/TopLevelWidgetPrivateData.cpp @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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2:cf2cb71d31dd 3:84e66ea83026
1 /*
2 * DISTRHO Plugin Framework (DPF)
3 * Copyright (C) 2012-2021 Filipe Coelho <falktx@falktx.com>
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any purpose with
6 * or without fee is hereby granted, provided that the above copyright notice and this
7 * permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
10 * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
11 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
12 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
13 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #include "TopLevelWidgetPrivateData.hpp"
18 #include "WidgetPrivateData.hpp"
19 #include "WindowPrivateData.hpp"
20 #include "pugl.hpp"
21
22 START_NAMESPACE_DGL
23
24 // -----------------------------------------------------------------------
25
26 TopLevelWidget::PrivateData::PrivateData(TopLevelWidget* const s, Window& w)
27 : self(s),
28 selfw(s),
29 window(w)
30 {
31 /* if window already has a top-level-widget, make the new one match the first one in size
32 * this is needed because window creation and resize is a synchronous operation in some systems.
33 * as such, there's a chance the non-1st top-level-widgets would never get a valid size.
34 */
35 if (!window.pData->topLevelWidgets.empty())
36 {
37 TopLevelWidget* const first = window.pData->topLevelWidgets.front();
38
39 selfw->pData->size = first->getSize();
40 }
41
42 window.pData->topLevelWidgets.push_back(self);
43 }
44
45 TopLevelWidget::PrivateData::~PrivateData()
46 {
47 window.pData->topLevelWidgets.remove(self);
48 }
49
50 bool TopLevelWidget::PrivateData::keyboardEvent(const KeyboardEvent& ev)
51 {
52 // ignore event if we are not visible
53 if (! selfw->pData->visible)
54 return false;
55
56 // propagate event to all subwidgets recursively
57 return selfw->pData->giveKeyboardEventForSubWidgets(ev);
58 }
59
60 bool TopLevelWidget::PrivateData::characterInputEvent(const CharacterInputEvent& ev)
61 {
62 // ignore event if we are not visible
63 if (! selfw->pData->visible)
64 return false;
65
66 // propagate event to all subwidgets recursively
67 return selfw->pData->giveCharacterInputEventForSubWidgets(ev);
68 }
69
70 bool TopLevelWidget::PrivateData::mouseEvent(const MouseEvent& ev)
71 {
72 // ignore event if we are not visible
73 if (! selfw->pData->visible)
74 return false;
75
76 MouseEvent rev = ev;
77
78 if (window.pData->autoScaling)
79 {
80 const double autoScaleFactor = window.pData->autoScaleFactor;
81
82 rev.pos.setX(ev.pos.getX() / autoScaleFactor);
83 rev.pos.setY(ev.pos.getY() / autoScaleFactor);
84 rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
85 rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
86 }
87
88 // propagate event to all subwidgets recursively
89 return selfw->pData->giveMouseEventForSubWidgets(rev);
90 }
91
92 bool TopLevelWidget::PrivateData::motionEvent(const MotionEvent& ev)
93 {
94 // ignore event if we are not visible
95 if (! selfw->pData->visible)
96 return false;
97
98 MotionEvent rev = ev;
99
100 if (window.pData->autoScaling)
101 {
102 const double autoScaleFactor = window.pData->autoScaleFactor;
103
104 rev.pos.setX(ev.pos.getX() / autoScaleFactor);
105 rev.pos.setY(ev.pos.getY() / autoScaleFactor);
106 rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
107 rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
108 }
109
110 // propagate event to all subwidgets recursively
111 return selfw->pData->giveMotionEventForSubWidgets(rev);
112 }
113
114 bool TopLevelWidget::PrivateData::scrollEvent(const ScrollEvent& ev)
115 {
116 // ignore event if we are not visible
117 if (! selfw->pData->visible)
118 return false;
119
120 ScrollEvent rev = ev;
121
122 if (window.pData->autoScaling)
123 {
124 const double autoScaleFactor = window.pData->autoScaleFactor;
125
126 rev.pos.setX(ev.pos.getX() / autoScaleFactor);
127 rev.pos.setY(ev.pos.getY() / autoScaleFactor);
128 rev.absolutePos.setX(ev.absolutePos.getX() / autoScaleFactor);
129 rev.absolutePos.setY(ev.absolutePos.getY() / autoScaleFactor);
130 rev.delta.setX(ev.delta.getX() / autoScaleFactor);
131 rev.delta.setY(ev.delta.getY() / autoScaleFactor);
132 }
133
134 // propagate event to all subwidgets recursively
135 return selfw->pData->giveScrollEventForSubWidgets(rev);
136 }
137
138 void TopLevelWidget::PrivateData::fallbackOnResize()
139 {
140 puglFallbackOnResize(window.pData->view);
141 }
142
143 // -----------------------------------------------------------------------
144
145 END_NAMESPACE_DGL