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UI: Show a message in the empty source list

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This commit is contained in:
Colin Edwards
2019-04-12 04:17:39 -07:00
committed by jp9000
parent a9936d36d2
commit ff72e9efc3
6 changed files with 105 additions and 0 deletions
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UI/source-tree.cpp
+58
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@@ -5,6 +5,7 @@
#include "visibility-checkbox.hpp"
#include "locked-checkbox.hpp"
#include "expand-checkbox.hpp"
#include "platform.hpp"
#include <obs-frontend-api.h>
#include <obs.h>
@@ -915,6 +916,10 @@ SourceTree::SourceTree(QWidget *parent_) : QListView(parent_)
"*[bgColor=\"8\"]{background-color:rgba(255,255,255,33%);}"));
setMouseTracking(true);
UpdateNoSourcesMessage();
connect(App(), &OBSApp::StyleChanged,
this, &SourceTree::UpdateNoSourcesMessage);
}
void SourceTree::ResetWidgets()
@@ -1429,3 +1434,56 @@ void SourceTree::AddGroup()
{
GetStm()->AddGroup();
}
void SourceTree::UpdateNoSourcesMessage()
{
std::string darkPath;
GetDataFilePath("themes/Dark/no_sources.svg", darkPath);
QColor color = palette().text().color();
bool lightTheme = (color.redF() < 0.5);
QString file = lightTheme
? ":res/images/no_sources.svg"
: darkPath.c_str();
iconNoSources.load(file);
QTextOption opt(Qt::AlignHCenter);
opt.setWrapMode(QTextOption::WordWrap);
textNoSources.setTextOption(opt);
textNoSources.setText(QTStr("NoSources.Label").replace("\n", "<br/>"));
textPrepared = false;
}
void SourceTree::paintEvent(QPaintEvent *event)
{
SourceTreeModel *stm = GetStm();
if (stm && !stm->items.count()) {
QPainter p(viewport());
if (!textPrepared) {
textNoSources.prepare(QTransform(), p.font());
textPrepared = true;
}
QRectF iconRect = iconNoSources.viewBoxF();
QSizeF iconSize = iconRect.size();
QSizeF textSize = textNoSources.size();
QSizeF thisSize = size();
qreal totalHeight = textSize.height() + iconSize.height();
qreal x = thisSize.width() / 2.0 - textSize.width() / 2.0;
qreal y = thisSize.height() / 2.0 - totalHeight / 2.0;
p.drawStaticText(x, y, textNoSources);
x = thisSize.width() / 2.0 - iconSize.width() / 2.0;
y += textSize.height();
iconRect.moveTo(x, y);
iconNoSources.render(&p, iconRect);
} else {
QListView::paintEvent(event);
}
}