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Gscreen Development / Docs

Gscreen is a screen for running gcode in linuxcnc.
The mandate for it's development is a more natural screen for machinists and relative ease of customization
I'm open to suggestions and code patches - send them to the linuxcnc dev maillist or post on the forum

1. Programming Features
2. Operational Features
3. Operation
3.1. Estop
3.2. Mode
3.3. Menu Level
3.4. Overrides
3.5. Graphics
3.6. Entry spinbox


upload:gscreen2.png

1. Programming Features

programmed in python - powerful and easy to read language
uses GTK screen widgets - GTK is common, powerful, supports GLADE, has lots of examples and looks natural in Ubuntu
uses GLADE for screen layout - GLADE is a point and click screen widget editor -you can easily edit the layout with out programming.
uses GLADEvcp widgets - GLADEvcp widgets are designed for machine control and include hooks for HAL pins
Theme-able - GTk screens can have themes just like the desktop. It changes the look and feel of the screen. Themes can be edited separately

2. Operational Features

Designed with a touch screen in mind though keyboard is needed for MDI and Gcode editing so far.
has a graphical display of the tool movement like AXIS (it use some of the same code)
can have two display screens (monitors)
Can edit Gcode on screen
supports XYZA mills and XZ lathes
Hoping for a more natural industrial look and feel
supports embeded windows such as webcams
has two user message systems that can be accessed from HAL pins the error status line on top and a dialog system.

upload:gscreen3.png

3. Operation

3.1. Estop

In the top right you will see the Estop button with two LEDs.
Press once to get out of Estop, again to turn the machine on, and again to Estop /Machine? off

3.2. Mode

On the bottom right is the mode button
This switches between Startup, Manual, MDI and Auto mode.
Each one has different button options that will show up.

3.3. Menu Level

The Menu button is right close to the bottom
Double clicking this will switch the Main screen from the running, preference and debugging screens
at this time you can also switch between these tabs at the upper left (you can see the tabs showing)
when in auto mode single clicking this will switch the center tab window between any available tabs
Any optionally loaded tab programs will be shown here

3.4. Overrides

This button is on the right near the bottom
pressing this changes the horizontal action buttons along the bottom for selecting an override to change
Use the vertical action buttons to change the settings
The + and - buttons will raise/lower the rate by 5%
the zero button will zero the rate
The set button will set the rate to the closes whole percent of the entry spinbox
click the override button again to return to the main screen

3.5. Graphics

This brings up the graphic screen options on the bottom action buttons
This at the moment does not use the vertical action buttons nor allows panning or rotation
You can do that with the mouse though

3.6. Entry spinbox

This is on the top right
Used for setting Axis origin and overrides
Double clicking this will bring up a calculator entry dialog
While the calculator is showing the entry spinbox is ignored and the calculator display will be used
If you close the calculator with the accept button the shown display will be copied to the entry spinbutton
Closing with the cancel button will set the entry spin button with the original value

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Edited July 9, 2012 2:28 pm by Cmorley (diff)
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