1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* -*- Mode: c++ -*- */
/***************************************************************************
* diskstreamingframecontent.cc
*
* Fri Mar 24 21:50:07 CET 2017
* Copyright 2017 André Nusser
* andre.nusser@googlemail.com
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "diskstreamingframecontent.h"
#include <settings.h>
#include <limits>
namespace GUI
{
DiskstreamingframeContent::DiskstreamingframeContent(Widget* parent,
Settings& settings,
SettingsNotifier& settings_notifier)
: Widget(parent)
, slider_width{250}
, settings(settings)
, settings_notifier(settings_notifier)
{
label_text.setText("Cache limit (max memory usage):");
label_text.setAlignment(TextAlignment::center);
button.setText("Apply");
button.setEnabled(false);
label_size.setText("0 MB");
label_size.setAlignment(TextAlignment::center);
CONNECT(this, settings_notifier.disk_cache_upper_limit,
this, &DiskstreamingframeContent::limitSettingsValueChanged);
CONNECT(&slider, valueChangedNotifier,
this, &DiskstreamingframeContent::limitValueChanged);
CONNECT(&button, clickNotifier,
this, &DiskstreamingframeContent::reloadClicked);
CONNECT(this, settings_notifier.reload_counter,
this, &DiskstreamingframeContent::reloaded);
// TODO:
// CONNECT(this, settings_notifier.disk_cache_chunk_size,
// this, &DGWindow::chunkSettingsValueChanged);
// CONNECT(this, settings_notifier.number_of_underruns,
// this, &DGWindow::underrunsChanged);
}
void DiskstreamingframeContent::resize(std::size_t width, std::size_t height)
{
Widget::resize(width, height);
std::size_t slider_button_gap = 10;
slider_width = 0.8 * width;
button_width = width - slider_width - slider_button_gap;
label_text.move(0, 0);
slider.move(0, 20);
button.move(slider_width + slider_button_gap, 10);
label_size.move(0, 40);
label_text.resize(slider_width, 15);
slider.resize(slider_width, 15);
button.resize(button_width, 30);
label_size.resize(slider_width, 15);
button.setEnabled(false);
}
void DiskstreamingframeContent::limitSettingsValueChanged(std::size_t value)
{
float new_slider_value = (float)(value - min_limit)/(max_limit - min_limit);
slider.setValue(new_slider_value);
if (new_slider_value < 0.99) {
int value_in_mb = value/(1024 * 1024);
label_size.setText(std::to_string(value_in_mb) + " MB");
slider.setColour(Slider::Colour::Blue);
}
else {
label_size.setText("Unlimited");
slider.setColour(Slider::Colour::Grey);
}
button.setEnabled(true);
}
void DiskstreamingframeContent::limitValueChanged(float value)
{
std::size_t new_limit = value < 0.99 ?
value * (max_limit - min_limit) + min_limit :
std::numeric_limits<std::size_t>::max();
settings.disk_cache_upper_limit.store(new_limit);
}
void DiskstreamingframeContent::reloadClicked()
{
settings.reload_counter++;
}
void DiskstreamingframeContent::reloaded(std::size_t)
{
button.setEnabled(false);
}
} // GUI::
|
