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Fix file type icons not displaying on macOS

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This commit is contained in:
vit9696 2017-07-19 13:30:01 +03:00
parent 802cd89ec9
commit 6c3ab99e3c
1 changed files with 57 additions and 3 deletions
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60
src/gui/torrentcontentmodel.cpp
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@ -33,10 +33,13 @@
#include <QFileInfo>
#include <QIcon>
#ifdef Q_OS_WIN
#if defined(Q_OS_WIN)
#include <Windows.h>
#include <Shellapi.h>
#include <QtWin>
#elif defined(Q_OS_MAC)
#include <objc/objc.h>
#include <objc/message.h>
#else
#include <QMimeDatabase>
#include <QMimeType>
@ -50,6 +53,14 @@
#include "torrentcontentmodelfolder.h"
#include "torrentcontentmodelfile.h"
#ifdef Q_OS_MAC
struct NSImage;
// This function is a private QtGui library export on macOS
// See src/gui/painting/qcoregraphics_p.h for more details
// QtMac::fromCGImageRef takes a CGImageRef and thus requires a double conversion
QPixmap qt_mac_toQPixmap(const NSImage *image, const QSizeF &size);
#endif
namespace
{
QIcon getDirectoryIcon()
@ -62,6 +73,7 @@ namespace
{
public:
using QFileIconProvider::icon;
QIcon icon(const QFileInfo &info) const override
{
Q_UNUSED(info);
@ -69,12 +81,13 @@ namespace
return cached;
}
};
#ifdef Q_OS_WIN
#if defined(Q_OS_WIN)
// See QTBUG-25319 for explanation why this is required
class WinShellFileIconProvider: public UnifiedFileIconProvider
{
public:
using QFileIconProvider::icon;
QIcon icon(const QFileInfo &info) const override
{
SHFILEINFO sfi = { 0 };
@ -88,6 +101,44 @@ namespace
return QIcon(iconPixmap);
}
};
#elif defined(Q_OS_MAC)
// There is a similar bug on macOS, to be reported to Qt
// https://github.com/qbittorrent/qBittorrent/pull/6156#issuecomment-316302615
class MacFileIconProvider: public UnifiedFileIconProvider
{
public:
using QFileIconProvider::icon;
QIcon icon(const QFileInfo &info) const override
{
const QString ext = info.suffix();
if (!ext.isEmpty()) {
const QPixmap pixmap = pixmapForExtension(ext, QSize(32, 32));
if (!pixmap.isNull())
return QIcon(pixmap);
}
return UnifiedFileIconProvider::icon(info);
}
private:
QPixmap pixmapForExtension(const QString &ext, const QSize &size) const
{
QMacAutoReleasePool pool;
objc_object *woskspaceCls = reinterpret_cast<objc_object *>(objc_getClass("NSWorkspace"));
SEL sharedWorkspaceSel = sel_registerName("sharedWorkspace");
SEL iconForFileTypeSel = sel_registerName("iconForFileType:");
objc_object *sharedWorkspace = objc_msgSend(woskspaceCls, sharedWorkspaceSel);
if (sharedWorkspace) {
objc_object *image = objc_msgSend(sharedWorkspace, iconForFileTypeSel, ext.toNSString());
if (image)
return qt_mac_toQPixmap(reinterpret_cast<NSImage *>(image), size);
}
return QPixmap();
}
};
#else
/**
* @brief Tests whether QFileIconProvider actually works
@ -112,6 +163,7 @@ namespace
class MimeFileIconProvider: public UnifiedFileIconProvider
{
using QFileIconProvider::icon;
QIcon icon(const QFileInfo &info) const override
{
const QMimeType mimeType = m_db.mimeTypeForFile(info, QMimeDatabase::MatchExtension);
@ -138,8 +190,10 @@ TorrentContentModel::TorrentContentModel(QObject *parent)
: QAbstractItemModel(parent)
, m_rootItem(new TorrentContentModelFolder(QList<QVariant>({ tr("Name"), tr("Size"), tr("Progress"), tr("Download Priority"), tr("Remaining"), tr("Availability") })))
{
#ifdef Q_OS_WIN
#if defined(Q_OS_WIN)
m_fileIconProvider = new WinShellFileIconProvider();
#elif defined(Q_OS_MAC)
m_fileIconProvider = new MacFileIconProvider();
#else
static bool doesBuiltInProviderWork = doesQFileIconProviderWork();
m_fileIconProvider = doesBuiltInProviderWork ? new QFileIconProvider() : new MimeFileIconProvider();