Qt check if font exists
WebYou can use the function isRelative () to check whether a QFileInfo is using a relative or an absolute file path. You can call the function makeAbsolute () to convert a relative QFileInfo's path to an absolute path. Note: Paths starting with a colon (:) are always considered absolute, as they denote a QResource.
Qt check if font exists
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WebJun 23, 2024 · You can check the existence of a certain key in Registry as well, before querying it. Here is an example that shows how we can check the existence of the “Build” key in the preceding example, before actually getting it: if (registry.childKeys ().contains ("Build", Qt::CaseInsensitive)) qDebug () << registry.value ("Build"); WebQt will use the font with the specified attributes, or if no matching font exists, Qt will use the closest matching installed font. The attributes of the font that is actually used are retrievable from a PySide.QtGui.QFontInfo object. If the window system provides an exact match PySide.QtGui.QFont.exactMatch () returns true.
WebSep 24, 2024 · If the font used in qt app is not found on Linux, it can take long for the app to go through all fonts ( a lot of unused in default installation) and the widgets which use the font can be frozen during the looking-up time. S 1 Reply Last reply 13 Aug 2024, 10:42 0 S Strangelove @JoeCFD 13 Aug 2024, 10:42 WebSee the Application example for an actual application that uses Qt's resource system to store its icons.. Advanced Topics Prefixes. A .qrc file can set a prefix to be added to each local file name, given in a element, to get the name by which the file shall be known within the resource system.. Prefixes allow you to structure the resources, avoiding …
WebThe font () function returns a QFont given a family, style and point size. A family and style combination can be checked to see if it is italic () or bold () , and to retrieve its weight () . Similarly we can call isBitmapScalable () , isSmoothlyScalable () , isScalable () and isFixedPitch () . WebA menu widget is a selection menu. It can be either a pull-down menu in a menu bar or a standalone context menu. Pull-down menus are shown by the menu bar when the user clicks on the respective item or presses the specified shortcut key. Use QMenuBar::addMenu () to insert a menu into a menu bar. Context menus are usually invoked by some special ...
WebOct 7, 2024 · bool isFontInstalled() { QFontDatabase db; auto fontFromDB = db. font ( "Verdana", "", 12 ); return fontFromDB. exactMatch (); } But this also returns false. I've …
WebMay 13, 2024 · You don't need to mess with Qt Sources to do that. Create a new class subclassing QObject, add and implement a bool fileExists (const QString& fileName) Q_INVOKABLE /slot. Register the class with qmlRegisterSingletonType (). After that you can do in QML import YourModuleName 1.0 and then YourClass.fileExists (fileName). 3 mary delusa hell\u0027s kitchenWebJul 10, 2001 · Unfortunately, this cannot be considered a 100% effective method for finding name of a font file. If a font has been installed in a normal manner, and if it is in Windows "Font" directory, then this method will probably work. It will probably work for most screen fonts and TrueType fonts. marydel wierre effroyWebMar 24, 2024 · QString Manager::checkPath(QString path) { bool valid = false; if ( path.length() > 0 && path.indexOf(".") > 0 ) { const String QRCprefix("qrc:"); if ( … hurata home inspectionWebSep 3, 2024 · The method definition from the documentation is shown below (converted to Python). python [QTableWidgetItem] = QTableWidget.findItems ( str, Qt.MatchFlags) This tells us that the method accepts a str "text" to search, and a Qt.MatchFlags "flags" object which is what determines how we search. mary dembski of pittsburgh paWebFeb 21, 2011 · I need to check it on Windows since I generate scripts that's run on a Linux machine. The easiest way I could come up with its: Qt Code: Switch view bool FirmwareCore ::FileModel::caseSensitiveExists() const { // Only do it if it says it exists; // exists () is a normal exists on QFileInfo if ( exists ()) { mary demert obituary charlotte ncWebDec 1, 2015 · What do I have to do so that Qt finds all my installed fonts? If Qt is compiled with -no-freetype then no TTF fonts can be used and are therefore not found by … mary demert obituaryWebMar 31, 2024 · List all available fonts on Linux using the CLI. Open the terminal application. To list all font faces, run: $ fc-list. Use the more command as pager or grep command / … mary demers anchorage