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Qt: add grid zoom slider

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This commit is contained in:
Brad Parker 2018-05-03 02:47:40 -04:00
parent f79ba4885a
commit 8752996018
2 changed files with 47 additions and 4 deletions
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45
ui/drivers/qt/ui_qt_window.cpp
View File

@ -499,30 +499,51 @@ MainWindow::MainWindow(QWidget *parent) :
,m_historyPlaylistsItem(NULL)
,m_folderIcon()
,m_customThemeString()
,m_gridLayout(new FlowLayout())
,m_gridLayout(NULL)
,m_gridWidget(new QWidget(this))
,m_gridScrollArea(new QScrollArea(m_gridWidget))
,m_gridItems()
,m_gridLayoutWidget(new QWidget())
,m_zoomSlider(NULL)
,m_lastZoomSliderValue(0)
{
settings_t *settings = config_get_ptr();
QDir playlistDir(settings->paths.directory_playlist);
QString configDir = QFileInfo(path_get(RARCH_PATH_CONFIG)).dir().absolutePath();
QToolButton *searchResetButton = NULL;
QWidget *gridLayoutWidget = new QWidget();
QWidget *zoomWidget = new QWidget();
QHBoxLayout *zoomLayout = new QHBoxLayout();
int i = 0;
m_zoomSlider = new QSlider(Qt::Horizontal, zoomWidget);
m_zoomSlider->setMinimum(0);
m_zoomSlider->setMaximum(100);
m_zoomSlider->setValue(50);
m_lastZoomSliderValue = m_zoomSlider->value();
m_gridWidget->setLayout(new QVBoxLayout());
gridLayoutWidget->setLayout(m_gridLayout);
m_gridLayout = new FlowLayout(m_gridLayoutWidget);
m_gridScrollArea->setAlignment(Qt::AlignCenter);
m_gridScrollArea->setFrameShape(QFrame::NoFrame);
m_gridScrollArea->setWidgetResizable(true);
m_gridScrollArea->setWidget(gridLayoutWidget);
m_gridScrollArea->setWidget(m_gridLayoutWidget);
m_gridWidget->layout()->addWidget(m_gridScrollArea);
m_gridWidget->layout()->setAlignment(Qt::AlignCenter);
m_zoomSlider->setSizePolicy(QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred));
zoomWidget->setLayout(zoomLayout);
zoomLayout->addSpacerItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Preferred));
zoomLayout->addWidget(new QLabel("Zoom:"));
zoomLayout->addWidget(m_zoomSlider);
m_gridWidget->layout()->addWidget(zoomWidget);
m_tableWidget->setAlternatingRowColors(true);
m_logWidget->setObjectName("logWidget");
@ -644,6 +665,7 @@ MainWindow::MainWindow(QWidget *parent) :
connect(m_dirTree, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(onFileBrowserTreeContextMenuRequested(const QPoint&)));
connect(m_listWidget, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(onPlaylistWidgetContextMenuRequested(const QPoint&)));
connect(m_launchWithComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(onLaunchWithComboBoxIndexChanged(int)));
connect(m_zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(onZoomValueChanged(int)));
/* make sure these use an auto connection so it will be queued if called from a different thread (some facilities in RA log messages from other threads) */
connect(this, SIGNAL(gotLogMessage(const QString&)), this, SLOT(onGotLogMessage(const QString&)), Qt::AutoConnection);
@ -687,9 +709,20 @@ MainWindow::~MainWindow()
delete m_thumbnailPixmap2;
if (m_thumbnailPixmap3)
delete m_thumbnailPixmap3;
removeGridItems();
}
void MainWindow::onZoomValueChanged(int value)
{
foreach(GridItem *item, m_gridItems)
{
item->widget->setFixedSize(QSize(value * 5.12f, value * 5.12f));
}
m_lastZoomSliderValue = value;
}
void MainWindow::showWelcomeScreen()
{
const QString welcomeText = QStringLiteral(""
@ -2853,6 +2886,10 @@ void MainWindow::initContentGridLayout()
}
else
addPlaylistItemsToGrid(path);
QTimer::singleShot(0, this, [this]() {
m_gridLayoutWidget->resize(m_gridScrollArea->viewport()->size());
});
}
void MainWindow::initContentTableWidget()

6
ui/drivers/ui_qt.h
View File

@ -29,6 +29,7 @@
#include <QPalette>
#include <QPlainTextEdit>
#include <QFutureWatcher>
#include <QPixmap>
#include <QImage>
extern "C" {
@ -57,6 +58,7 @@ class QCheckBox;
class QFormLayout;
class QStyle;
class QScrollArea;
class QSlider;
class LoadCoreWindow;
class MainWindow;
class ThumbnailWidget;
@ -320,6 +322,7 @@ private slots:
void onPlaylistWidgetContextMenuRequested(const QPoint &pos);
void onStopClicked();
void onDeferredImageLoaded();
void onZoomValueChanged(int value);
private:
void setCurrentCoreLabel();
@ -374,6 +377,9 @@ private:
QWidget *m_gridWidget;
QScrollArea *m_gridScrollArea;
QList<GridItem*> m_gridItems;
QWidget *m_gridLayoutWidget;
QSlider *m_zoomSlider;
int m_lastZoomSliderValue;
protected:
void closeEvent(QCloseEvent *event);