miqt/binding.go

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package main
/*
#cgo CFLAGS: -fPIC
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#cgo pkg-config: Qt5Widgets
#include "binding.h"
*/
import "C"
import (
"unsafe"
)
func CArray(data []string) (C.int, **C.char) {
c_argv := (*[0xfff]*C.char)(C.malloc(C.ulong(8 /* sizeof pointer */ * len(data))))
for i, arg := range data {
c_argv[i] = C.CString(arg)
}
return C.int(len(data)), (**C.char)(unsafe.Pointer(c_argv))
}
//
type QApplication struct {
h C.PQApplication
}
func NewQApplication(args []string) *QApplication {
argc, argv := CArray(args)
h := C.QApplication_new(&argc, argv)
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return &QApplication{h: h}
}
func (this *QApplication) Exec() int {
ret := C.QApplication_exec(this.h)
return int(ret)
}
//
type QWidget struct {
h C.PQWidget
}
func (this *QWidget) CPointer() C.PQWidget {
if this == nil {
return nil
}
return this.h
}
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func NewQWidget() *QWidget {
ret := C.QWidget_new()
return &QWidget{h: ret}
}
func (this *QWidget) Show() {
C.QWidget_show(this.h)
}
//
type QPushButton struct {
h C.PQPushButton
}
func NewQPushButton(label string, parent *QWidget) *QPushButton {
h := C.QPushButton_new(C.CString(label), parent.CPointer())
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return &QPushButton{h: h}
}
func (this *QPushButton) Show() {
C.QPushButton_show(this.h)
}
func (this *QPushButton) AsQWidget() *QWidget {
return &QWidget{h: C.PQWidget(this.h)} // Type cast
}