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aboutdialog: support patreon list

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This commit is contained in:
itsmattkc
2021-04-29 20:54:15 +10:00
parent 04a8a7aaa7
commit af742e6e62
5 changed files with 241 additions and 14 deletions
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app/dialog/about/CMakeLists.txt
+4 -1
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@@ -16,7 +16,10 @@
set(OLIVE_SOURCES
${OLIVE_SOURCES}
dialog/about/about.h
dialog/about/about.cpp
dialog/about/about.h
dialog/about/patreon.h
dialog/about/scrollinglabel.cpp
dialog/about/scrollinglabel.h
PARENT_SCOPE
)
app/dialog/about/about.cpp
+37 -13
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@@ -25,6 +25,10 @@
#include <QLabel>
#include <QVBoxLayout>
#include "common/qtutils.h"
#include "patreon.h"
#include "scrollinglabel.h"
namespace olive {
AboutDialog::AboutDialog(QWidget *parent) :
@@ -33,38 +37,58 @@ AboutDialog::AboutDialog(QWidget *parent) :
setWindowTitle(tr("About %1").arg(QApplication::applicationName()));
QVBoxLayout* layout = new QVBoxLayout(this);
//layout->setSpacing(20);
layout->addWidget(new QLabel());
QLabel* icon = new QLabel(QStringLiteral("<html><img src=':/graphics/olive-splash.png'></html>"));
icon->setAlignment(Qt::AlignCenter);
layout->addWidget(icon);
// Construct About text
QLabel* label =
new QLabel(QStringLiteral("<html><head/><body>"
"<p><img src=\":/graphics/olive-splash.png\"/></p>"
"<p><a href=\"https://www.olivevideoeditor.org/\">"
"<span style=\" text-decoration: underline; color:#007af4;\">"
"https://www.olivevideoeditor.org/"
"</span></a></p>"
"<p><b>%1</b> %2</p>" // AppName (version identifier)
"<p><a href=\"https://www.olivevideoeditor.org/\">"
"https://www.olivevideoeditor.org/"
"</a></p>"
"<p>%3</p>" // First statement
"<p>%4</p>" // Second statement
"</body></html>").arg(QApplication::applicationName(),
QApplication::applicationVersion(),
tr("Olive is a non-linear video editor. This software is free and "
"protected by the GNU GPL."),
tr("Olive Team is obliged to inform users that Olive source code is "
"available for download from its website.")),this);
tr("Olive is a free open source non-linear video editor. "
"This software is licensed under the GNU GPL Version 3.")));
// Set text formatting
label->setAlignment(Qt::AlignCenter);
label->setTextInteractionFlags(Qt::TextSelectableByMouse);
label->setCursor(Qt::IBeamCursor);
label->setWordWrap(true);
label->setOpenExternalLinks(true);
label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
layout->addWidget(label);
// Patrons where necessary
if (!patrons.isEmpty()) {
layout->addWidget(new QLabel());
QLabel* support_lbl = new QLabel(tr("<html>Olive wouldn't be possible without the support of gracious "
"donations from <a href='https://www.patreon.com/olivevideoeditor'>Patreon</a></html>:"));
support_lbl->setWordWrap(true);
support_lbl->setAlignment(Qt::AlignCenter);
support_lbl->setOpenExternalLinks(true);
layout->addWidget(support_lbl);
ScrollingLabel* scroll = new ScrollingLabel(patrons);
scroll->StartAnimating();
layout->addWidget(scroll);
}
layout->addWidget(new QLabel());
QDialogButtonBox* buttons = new QDialogButtonBox(QDialogButtonBox::Ok, this);
buttons->setCenterButtons(true);
layout->addWidget(buttons);
connect(buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
setFixedSize(sizeHint());
}
}
app/dialog/about/patreon.h
+8
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@@ -0,0 +1,8 @@
#ifndef PATREON_H
#define PATREON_H
#include <QStringList>
QStringList patrons;
#endif // PATREON_H
app/dialog/about/scrollinglabel.cpp
+121
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@@ -0,0 +1,121 @@
/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "scrollinglabel.h"
#include <QPainter>
#include "common/qtutils.h"
namespace olive {
const int ScrollingLabel::kMinLineHeight = 5;
ScrollingLabel::ScrollingLabel(QWidget *parent) :
QWidget(parent),
animate_(0)
{
timer_.setInterval(50);
connect(&timer_, &QTimer::timeout, this, &ScrollingLabel::AnimationUpdate);
}
ScrollingLabel::ScrollingLabel(const QStringList &text, QWidget *parent) :
ScrollingLabel(parent)
{
SetText(text);
}
void ScrollingLabel::SetText(const QStringList &text)
{
text_ = text;
QFontMetrics fm = fontMetrics();
text_height_ = fm.height();
int width = 0;
foreach (const QString& s, text_) {
width = qMax(width, QtUtils::QFontMetricsWidth(fm, s));
}
setMinimumSize(width, text_height_ * kMinLineHeight);
}
void ScrollingLabel::paintEvent(QPaintEvent *e)
{
QImage map(width(), height(), QImage::Format_RGBA8888_Premultiplied);
map.fill(Qt::transparent);
{
QPainter p(&map);
p.setPen(palette().text().color());
QFontMetrics fm = p.fontMetrics();
int half_width = width();
for (int i=0; i<text_.size(); i++) {
int text_y = fm.ascent() + height() - animate_ + (fm.height()*i);
int text_bottom = text_y + fm.descent();
int text_top = text_y - fm.ascent();
if (text_bottom < 0 || text_top >= height()) {
continue;
}
const QString& s = text_.at(i);
int width = QtUtils::QFontMetricsWidth(fm, s);
p.drawText(half_width/2 - width/2, text_y, s);
}
for (int y=0; y<text_height_; y++) {
double mul = double(y)/double(text_height_);
SetOpacityOfScanLine(map.scanLine(y), map.width(), 4, mul);
SetOpacityOfScanLine(map.scanLine(map.height()-1-y), map.width(), 4, mul);
}
}
QPainter wp(this);
wp.drawImage(0, 0, map);
}
void ScrollingLabel::SetOpacityOfScanLine(uchar *scan_line, int width, int channels, double mul)
{
for (int x=0; x<width; x++) {
uchar* pixel = &scan_line[x*4];
for (int c=0; c<channels; c++) {
pixel[c] *= mul;
}
}
}
void ScrollingLabel::AnimationUpdate()
{
animate_++;
if (animate_ >= height() + text_.size() * text_height_) {
animate_ = 0;
}
update();
}
}
app/dialog/about/scrollinglabel.h
+71
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@@ -0,0 +1,71 @@
/***
Olive - Non-Linear Video Editor
Copyright (C) 2021 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#ifndef SCROLLINGLABEL_H
#define SCROLLINGLABEL_H
#include <QTimer>
#include <QWidget>
namespace olive {
class ScrollingLabel : public QWidget
{
Q_OBJECT
public:
ScrollingLabel(QWidget* parent = nullptr);
ScrollingLabel(const QStringList& text, QWidget* parent = nullptr);
void SetText(const QStringList& text);
void StartAnimating()
{
timer_.start();
}
void StopAnimating()
{
timer_.stop();
}
protected:
virtual void paintEvent(QPaintEvent* e) override;
private:
static void SetOpacityOfScanLine(uchar* scan_line, int width, int channels, double mul);
static const int kMinLineHeight;
QStringList text_;
int text_height_;
QTimer timer_;
int animate_;
private slots:
void AnimationUpdate();
};
}
#endif // SCROLLINGLABEL_H