7. Accessories
8.4. Input
These setup pages allow you to set the keyboard layout and other entry options. The following parameters can be configured:
• Keyboard (page 115) • Mouse (page 115) • Touchscreen (page 118)
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8.4.1. Keyboard and additional Keyboard
Keyboard layout Determines the keyboard layout. The selected layout applies for all parts of the
system including emulations, window sessions and X applications.
Keyboard type Determines the keyboard type.
Key repeat Determines the automatic repeat behavior for the keyboard:
• Initial key repeat delay – Determines the delay (in milliseconds) before automatic repetition begins.
• Key repeat rate – Determines how often a character repeats per second.
• Enable dead keys – Enable this function if the keyboard used supports dead keys for special characters.
Boot with NumLock enabled
Stipulates that NumLock is to be automatically enabled during the boot procedure.
You can define additional keyboard layouts which can be selected by the user. The layout can be selected in the taskbar.
8.4.2. Mouse
Mouse type and mouse connection
Determines the type of mouse used and how it is connected
Left-handed mode Changes the orientation of the mouse by switching the mouse buttons to
left-handed mode.
3-button mouse emulation (no support for serial mouse)
Enables/disables emulation of the third (middle) mouse button for mice with only two physical buttons. This third button is emulated by pressing both buttons at the same time. If 3-button emulation was enabled, the emulation time limit determines how long (in milliseconds) the driver waits before deciding whether two buttons were pressed at the same time.
Mouse speed Determines the mouse resolution in counts per inch
Mouse double-click interval Changes the maximum interval (in milliseconds) between two consecutive
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8.4.3. Touchpad
If you use the Universal Desktop Converter, you have the option of defining touchpad settings. The actual settings options depend on the hardware supported by the particular touchpad. You will find these under User Interface→Entry→Touchpad.
The settings options are subdivided into • Touchpad General (page 116)
• Touchpad Scrolling (page 117) • Touchpad Advanced (page 117)
Touchpad General
In this area, you can configure the touchpad according to your needs.
Enable Touchpad custom configuration in order to define personal settings.
Figure 90: General settings for the touchpad
Select a touchpad mode from:
Enable touchpad Decide whether you would like to enable the touchpad by default...
Disable touchpad ... or disable it.
Disable tapping and scrolling As an alternative, you can disable tapping and scrolling only.
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With a number of touchpads, you can assign functions to the four corners. The following settings apply by default:
Left mouse button Tap on the relevant corner to highlight objects, place the cursor and move text or objects from one place to another.
Middle mouse button Tap on the relevant corner to bring up program-specific functions.
Right mouse button Tap on the relevant corner to display the context menu.
Disable Tap on the relevant corner to disable the mouse button.
Touchpad scrolling
Define the properties for vertical and horizontal scrolling here.
Figure 91: Scrolling properties for the touchpad
Enable Vertical scrolling in order to set the vertical scroll speed. Enable Horizontal scrolling in order to set the horizontal scroll speed. Enable two-finger scrolling in order to... ???
Touchpad Advanced
Further settings are possible here:118
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Enable the following functions in order to...
Corner coasting ...continue scrolling if your finger reaches the corner when scrolling vertically or horizontally along the touchpad edges.
Circular scrolling ...scroll in a circular fashion. In the selection menu, specify where circular scrolling is to begin.
Tap and drag gesture ...move items by tapping and dragging them.
Locked drags ...end the tap and drag gesture only after an additional tap; it will otherwise end when you let go.
Palm detection ...avoid triggering a function accidentally with the palm of your hand. The function must be supported by the device.
ClickPad ... allow ClickPads. These are touchpads with so-called integrated soft buttons on which physical clicks are possible.
Touchscreen
To ensure that you can open the setup and navigate within it, the initial configuration should take place with a mouse and keyboard connected. The setup procedure with a screen keyboard is described below. A list of the touchscreens currently supported by IGEL Universal Desktop Linux can be found in the IGEL 3rd party hardware database
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Touchscreen is already calibrated If you enable the touchscreen function, the touchscreen must be
calibrated first. If this option was not enabled, calibration will begin automatically after each system boot.
Swap X and Y values Enable this option if the mouse pointer moves vertically when you
move your finger in a horizontal direction.
Minimum/maximum X value/Y value These values are determined by the calibration tool. However, you
can also change them manually.
Let-go limit The maximum permitted time (in milliseconds) between two
instances of contact in order to still be registered a single touch. When moving windows by drag-and-drop, for example, your contact with the screen may inadvertently be interrupted. Increasing this value prevents the thin client from recognizing two individual contacts if you let go in this way.
Contact limit Determines how long (in milliseconds) the screen needs to be
touched in order for the contact to be recognized.
Baud rate (for serial touchscreens only) Determines the speed of communication via the selected connection.
(If in doubt, read the monitor manual.)
Touchscreen connection You can connect the touchscreen either to COM1 or COM2. Select
your preferred connection here.
Set driver-specific default settings Click on this button once after changing the touchscreen type or to
restore the default settings.
Enable the screen keyboard for touchscreen use in the setup under Accessories→Screen Keyboard. The layout for the normal keyboard will also be used for the screen keyboard.
Calibrate the touchscreen for optimum contact recognition. The touchscreen calibration application can be found in the Application Launcher→System.
After launching the calibration program, you will see a pattern with calibration points which must be touched one after another.
8.4.4. SCIM (Input Methods)
The Smart Common Input Method (SCIM) platform offers entry methods for over 30 languages under Linux. You can enable one of the methods provided by the IGEL system for Chinese character sets (Simplified Chinese, Traditional Chinese) or manage generic tables for describing the entry method.
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8.4.5. Signature Pad
Enable use of the SOFTPRO Virtual Serial SignPad (VSSP) signature pad in sessions (COM port mapping). USB signature pads are made available in the sessions via COM port mapping.
To do this, enable support under User Interface→Entry→Signature Pad. 1.
Apply this change by selecting Apply or OK. 2.
Enable COM port mapping for the device /dev/ttyVSSP0 in the session configuration. 3.