96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package gui
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import (
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"sync"
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"embed"
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"go.wit.com/gui/toolkits"
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)
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//
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// All GUI Data Structures and functions that are external
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// within the toolkit/ abstraction layer
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//
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// More than one Window does not exist in every GUI situtaion and
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// can never be. On many toolkits you have to have 'tabs', like
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// Native Windows and MacOS toolkits
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//
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// If that is the case, this code abstracts the concept of
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// windows and makes each window a 'tabs' in a single window.
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//
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// Reminder from Goals: This is for simple GUI's.
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// For example, a "Mouse Control Panel" not the GIMP or blender.
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//
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var me guiConfig
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type guiConfig struct {
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initOnce sync.Once
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// This is the master node. The Binary Tree starts here
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rootNode *Node
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// A node off of rootNode for passing debugging flags
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flag *Node
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counter int // used to make unique WidgetId's
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// sets the chan for the plugins to call back too
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guiChan chan toolkit.Action
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// option to pass in compiled plugins as embedded files
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resFS embed.FS
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// used to beautify logging to Stdout
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depth int
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prefix string
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}
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// The Node is a binary tree. This is how all GUI elements are stored
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// simply the name and the size of whatever GUI element exists
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type Node struct {
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id int
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WidgetType toolkit.WidgetType
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// for NewLabel("hello"), Text = 'hello'
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Text string // what is visable to the user
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// for NewLabel("hello"), if Name = 'HELLO'
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// this can programatically identify the widget
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// The name must be unique
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Name string // a name useful for debugging
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// used for Windows in toolkits measured in pixels
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width int
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height int
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// used for anything that needs a range (for example: a slider)
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X int
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Y int
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// the grid widget max width and height
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// the max height can be implemented in the toolkit plugin
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// to restrict the number of rows to display
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W int
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H int
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// where the next widget should be put in this grid
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NextW int
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NextH int
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// if this widget is in a grid, this is the position of a widget
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AtW int
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AtH int
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// the current widget value.
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I int
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S string
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B bool
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// this function is run when there are mouse or keyboard events
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Custom func()
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parent *Node
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children []*Node
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}
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