Ui->pushButton->setIconSize(QSize(calc_prop(24, size.height()),calc_prop(24, size.height()))) Void MainWindow::screenChanged(QScreen *screen)Ĭonst QSize size = screen->availableSize() Void MainWindow::showEvent(QShowEvent *event)Ĭonnect(windowHandle(), &QWindow::screenChanged, this, &MainWindow::screenChanged, Qt::UniqueConnection) // avoid duplicate (Unique) h fileĮxplicit MainWindow(QWidget *parent = 0) So, i recomend you to connect the signal while reimplement the showevent of your widget.Įxample (QMainWindow derived class): //. Note: windowHandle() return the QWindow pointer of a widget but it is always null until the window has been showed. The screenchanged signal is emitted when your widget moves out of actual screen to another one, so you can implement a logic to resize your buttons depending of size of window. All other trademarks are property of their respective owners.Is possible notify the application just connecting the screenchanged signal from QWindow pointer of this widget. Qt and respective logos are trademarks of The Qt Company Ltd. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. ToolButton is nearly identical to Button, but it has a graphical appearance that makes it more suitable for insertion into a ToolBar.ĭocumentation contributions included herein are the copyrights of For example, a switch to turn WIFI on or off. Use a switch for binary operations that take effect immediately after it has been switched on. Switch represents a physical switch that allows users to choose between an "on" or "off" state. A circular RoundButton takes less space than a normal Button, and can also be used as a floating action button. A round button with a square image icon or one-letter font icon is circular. RoundButton is a clickable control that starts an action, or opens or closes a popup. In order to avoid confusion, do not put two groups of radio buttons next to each other.Just like with CheckBox, do not make the list too large.Use the default font, unless you have UI guidelines that specify otherwise.Ensure that a sensible default option is checked.If there are only two mutually exclusive options, combine them into a single checkbox or a switch. Selecting one option automatically deselects the one selected before. RadioButton is used to select only one option from a set of options. If the text is localized, consider the influence of a longer text on the layout.ĭelayButton is a button that incorporates a delay before triggering an action.Use the default font, unless you have UI guidelines specifying otherwise.The checkbox label should not contain a negative statement.The checkbox label should be a statement that the check mark makes true, and that the absence of a check mark makes false. The checkable options are often listed vertically. The three availables check states are: checked, partially checked and unchecked. Use the checkbox's partially checked state when a user selects some, but not all, sub-items in the group. When options can be grouped, you can use a partially checked CheckBox to represent the whole group. If it concerns action to be taken, a switch is recommended. If the choice concerns an option, it is best to use a CheckBox. Use a single CheckBox for a yes/no choice, such as when you have to accept the terms of service agreement in a form.įor a single yes/no choice, it is also possible to use a switch. Any number of options can be selected, including none, but the options should not be mutually exclusive. CheckBox is used to build multi-selection option lists.
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