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// +build !windows,!darwin
// 23 february 2014
package ui
import (
"unsafe"
)
// #include "gtk_unix.h"
import "C"
type container struct {
containerbase
layoutwidget *C.GtkWidget
layoutcontainer *C.GtkContainer
}
type sizing struct {
sizingbase
// for size calculations
// gtk+ needs nothing
// for the actual resizing
shouldVAlignTop bool
}
func newContainer(child Control) *container {
c := new(container)
widget := C.newContainer(unsafe.Pointer(c))
c.layoutwidget = widget
c.layoutcontainer = (*C.GtkContainer)(unsafe.Pointer(widget))
c.child = child
c.child.setParent(&controlParent{c.layoutcontainer})
return c
}
func (c *container) setParent(p *controlParent) {
C.gtk_container_add(p.c, c.layoutwidget)
}
//export containerResizing
func containerResizing(data unsafe.Pointer, r *C.GtkAllocation) {
c := (*container)(data)
c.resize(int(r.x), int(r.y), int(r.width), int(r.height))
}
const (
gtkXMargin = 12
gtkYMargin = 12
gtkXPadding = 12
gtkYPadding = 6
)
func (c *container) beginResize() (d *sizing) {
d = new(sizing)
if c.spaced {
d.xmargin = gtkXMargin
d.ymargintop = gtkYMargin
d.ymarginbottom = d.ymargintop
d.xpadding = gtkXPadding
d.ypadding = gtkYPadding
}
return d
}
func (c *container) translateAllocationCoords(allocations []*allocation, winwidth, winheight int) {
// no need for coordinate conversion with gtk+
}
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