energy/cef/types-find-handler.go
2023-06-11 00:10:55 +08:00

91 lines
2.2 KiB
Go

//----------------------------------------
//
// Copyright © yanghy. All Rights Reserved.
//
// Licensed under Apache License Version 2.0, January 2004
//
// https://www.apache.org/licenses/LICENSE-2.0
//
//----------------------------------------
package cef
import (
"github.com/energye/energy/v2/cef/internal/def"
"github.com/energye/energy/v2/common/imports"
"github.com/energye/golcl/lcl"
"github.com/energye/golcl/lcl/api"
"unsafe"
)
// ************************** creates ************************** //
// FindHandlerRef -> ICefFindHandler
var FindHandlerRef findHandler
type findHandler uintptr
func (*findHandler) New() *ICefFindHandler {
var result uintptr
imports.Proc(def.CefFindHandlerRef_Create).Call(uintptr(unsafe.Pointer(&result)))
if result != 0 {
return &ICefFindHandler{instance: unsafe.Pointer(result)}
}
return nil
}
// ************************** impl ************************** //
// Instance 实例
func (m *ICefFindHandler) Instance() uintptr {
if m == nil {
return 0
}
return uintptr(m.instance)
}
func (m *ICefFindHandler) Free() {
if m.instance != nil {
m.base.Free(m.Instance())
m.instance = nil
}
}
func (m *ICefFindHandler) IsValid() bool {
if m == nil || m.instance == nil {
return false
}
return m.instance != nil
}
func (m *ICefFindHandler) SetOnFindResult(fn onFindResult) {
if !m.IsValid() {
return
}
imports.Proc(def.CefFindHandler_OnFindResult).Call(m.Instance(), api.MakeEventDataPtr(fn))
}
// ************************** events ************************** //
type onFindResult func(browser *ICefBrowser, count int32, selectionRect *TCefRect, activeMatchOrdinal int32, finalUpdate bool)
func init() {
lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
getPtr := func(i int) unsafe.Pointer {
return unsafe.Pointer(getVal(i))
}
switch fn.(type) {
case onFindResult:
browse := &ICefBrowser{instance: getPtr(0)}
count := int32(getVal(1))
selectionRect := (*TCefRect)(getPtr(2))
activeMatchOrdinal := int32(getVal(3))
finalUpdate := api.GoBool(getVal(4))
fn.(onFindResult)(browse, count, selectionRect, activeMatchOrdinal, finalUpdate)
default:
return false
}
return true
})
}