Toolbars in the main Qt window

Toolbar class

QToolBar

Shortcut item

QAciton

QToolBar* tb = addToolBar ("ToolBar"); / / addToolBar is a member function of the Qt main window, create a toolbar in the main window and get the pointer QAciton * action = new QAciton (", NULL); / / create a shortcut action- > setToolTip (" Open ") / / display open action- > setIcon (QIcon (": / Res/pic/open.png")) when the mouse is moved here; / / set the shortcut icon in the resource file / / path tb- > addAction (action); / / add the shortcut to the toolbar

1. Key member functions of QToolBar

-void setFloatable (bool floatable) / / sets whether it can be suspended in the created toolbar.

-void setMoveable (bool moveable) / / Settings toolbar cannot be moved

-void setIconSize (const QSize& iconSize) / / s sets the size of each shortcut icon in the toolbar

2. Any QWidget component can be added to QToolBar.

QToolBar * tb = addToolBar ("ToolBar"); QPushButton * b = new QPushButton ("Button"); QLabel * l = new QLable ("Label"); QLineEdit * e = new QLineEdit (); tb- > addWidget (b); tb- > addWidget (l); tb- > addWidget (e)

3. Toolbar application

This- > resize (800,480); QToolBar * tb = this- > addToolBar ("ToolBar"); QAction * action = new QAction ("", NULL); action- > setToolTip ("Open"); / / set the word action- > setIcon (QIcon (": / Res/open.png") that appears when the mouse moves over the shortcut /: indicates that the added picture is under the resource file, / Res is the prefix tb- > addAction (action) where the open.png is located in the resource file; / / add shortcut items to the toolbar tb- > setIconSize (QSize (100,100)); / / set the shortcut icon size tb- > setFloatable (false) in the toolbar; / / set the toolbar cannot be docked in another location tb- > setMovable (false) / / the Settings toolbar cannot be moved.