75 lines
1.4 KiB
Go
75 lines
1.4 KiB
Go
// +build !windows,!darwin
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// 23 february 2014
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package ui
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import (
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"unsafe"
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)
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// #include "gtk_unix.h"
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import "C"
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type container struct {
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*controlSingleWidget
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container *C.GtkContainer
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}
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type sizing struct {
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sizingbase
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// for size calculations
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// gtk+ needs nothing
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// for the actual resizing
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// gtk+ needs nothing
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}
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func newContainer() *container {
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c := new(container)
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c.controlSingleWidget = newControlSingleWidget(C.newContainer(unsafe.Pointer(c)))
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c.container = (*C.GtkContainer)(unsafe.Pointer(c.widget))
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return c
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}
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func (c *container) parent() *controlParent {
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return &controlParent{c.container}
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}
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func (c *container) allocation(margined bool) C.GtkAllocation {
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var a C.GtkAllocation
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C.gtk_widget_get_allocation(c.widget, &a)
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if margined {
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a.x += C.int(gtkXMargin)
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a.y += C.int(gtkYMargin)
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a.width -= C.int(gtkXMargin) * 2
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a.height -= C.int(gtkYMargin) * 2
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}
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return a
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}
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// we can just return these values as is
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// note that allocations of a widget on GTK+ have their origin in the /window/ origin
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func (c *container) bounds(d *sizing) (int, int, int, int) {
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var a C.GtkAllocation
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C.gtk_widget_get_allocation(c.widget, &a)
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return int(a.x), int(a.y), int(a.width), int(a.height)
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}
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const (
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gtkXMargin = 12
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gtkYMargin = 12
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gtkXPadding = 12
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gtkYPadding = 6
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)
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func (w *window) beginResize() (d *sizing) {
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d = new(sizing)
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d.xpadding = gtkXPadding
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d.ypadding = gtkYPadding
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return d
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}
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