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Win-specific: Fix possibly crashes after dictionaries initialization

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This commit is contained in:
Abs62 2019-03-20 17:49:39 +03:00
parent 465f90a315
commit cf2ca576d4
5 changed files with 41 additions and 18 deletions
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2
dictheadwords.cc
View file

@ -116,7 +116,7 @@ DictHeadwords::DictHeadwords( QWidget *parent, Config::Class & cfg_,
DictHeadwords::~DictHeadwords()
{
if( delegate )
delete delegate;
delegate->deleteLater();
}
void DictHeadwords::setup( Dictionary::Class *dict_ )

12
fulltextsearch.cc
View file

@ -14,7 +14,7 @@
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
#include <QtWidgets/QStyleFactory>
#include "initializing.hh"
#include <qt_windows.h>
#include <uxtheme.h>
@ -246,14 +246,13 @@ FullTextSearchDialog::FullTextSearchDialog( QWidget * parent,
// Style "windowsvista" in Qt5 turn off progress bar animation for classic appearance
// We use simply "windows" style instead for this case
barStyle = 0;
oldBarStyle = 0;
if( QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA
&& ( QSysInfo::windowsVersion() & QSysInfo::WV_NT_based )
&& !IsThemeActive() )
{
barStyle = QStyleFactory::create( "windows" );
QStyle * barStyle = WindowsStyle::instance().getStyle();
if( barStyle )
{
@ -271,15 +270,12 @@ FullTextSearchDialog::FullTextSearchDialog( QWidget * parent,
FullTextSearchDialog::~FullTextSearchDialog()
{
if( delegate )
delete delegate;
delegate->deleteLater();
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
if( barStyle )
{
if( oldBarStyle )
ui.searchProgressBar->setStyle( oldBarStyle );
delete barStyle;
}
#endif
}

2
fulltextsearch.hh
View file

@ -185,7 +185,7 @@ class FullTextSearchDialog : public QDialog
QRegExp searchRegExp;
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
QStyle * barStyle, * oldBarStyle;
QStyle * oldBarStyle;
#endif
public:

21
initializing.cc
View file

@ -6,9 +6,20 @@
#include <QCloseEvent>
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
#include <QtWidgets/QStyleFactory>
#include <qt_windows.h>
#include <uxtheme.h>
WindowsStyle::WindowsStyle()
{
style = QStyleFactory::create( "windows" );
}
WindowsStyle & WindowsStyle::instance()
{
static WindowsStyle ws;
return ws;
}
#endif
Initializing::Initializing( QWidget * parent, bool showOnStartup ): QDialog( parent )
@ -28,14 +39,13 @@ Initializing::Initializing( QWidget * parent, bool showOnStartup ): QDialog( par
// Style "windowsvista" in Qt5 turn off progress bar animation for classic appearance
// We use simply "windows" style instead for this case
barStyle = 0;
oldBarStyle = 0;
if( QSysInfo::windowsVersion() >= QSysInfo::WV_VISTA
&& ( QSysInfo::windowsVersion() & QSysInfo::WV_NT_based )
&& !IsThemeActive() )
{
barStyle = QStyleFactory::create( "windows" );
QStyle * barStyle = WindowsStyle::instance().getStyle();
if( barStyle )
{
@ -78,11 +88,8 @@ void Initializing::reject()
Initializing::~Initializing()
{
if( barStyle )
{
if( oldBarStyle )
ui.progressBar->setStyle( oldBarStyle );
delete barStyle;
}
}
#endif

22
initializing.hh
View file

@ -7,6 +7,26 @@
#include <QDialog>
#include "ui_initializing.h"
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
#include <QtWidgets/QStyleFactory>
class WindowsStyle {
public:
/// The class is a singleton.
static WindowsStyle & instance();
QStyle * getStyle()
{ return style; }
private:
WindowsStyle();
QStyle * style;
};
#endif
class Initializing: public QDialog
{
Q_OBJECT
@ -27,7 +47,7 @@ private:
virtual void closeEvent( QCloseEvent * );
virtual void reject();
#if ( QT_VERSION >= QT_VERSION_CHECK( 5, 0, 0 ) ) && defined( Q_OS_WIN32 )
QStyle * barStyle, * oldBarStyle;
QStyle * oldBarStyle;
#endif
Ui::Initializing ui;