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wails/v2/internal/frontend/desktop/windows/winc/mousecontrol.go
2022-03-29 21:45:16 +11:00

49 lines
1.2 KiB
Go

/*
* Copyright (C) 2019 The Winc Authors. All Rights Reserved.
*/
package winc
import (
"github.com/wailsapp/wails/v2/internal/frontend/desktop/windows/winc/w32"
)
// MouseControl used for creating custom controls that need mouse hover or mouse leave events.
type MouseControl struct {
ControlBase
isMouseLeft bool
}
func (cc *MouseControl) Init(parent Controller, className string, exStyle, style uint) {
RegClassOnlyOnce(className)
cc.hwnd = CreateWindow(className, parent, exStyle, style)
cc.parent = parent
RegMsgHandler(cc)
cc.isMouseLeft = true
cc.SetFont(DefaultFont)
}
func (cc *MouseControl) WndProc(msg uint32, wparam, lparam uintptr) uintptr {
sender := GetMsgHandler(cc.hwnd)
switch msg {
case w32.WM_CREATE:
internalTrackMouseEvent(cc.hwnd)
cc.onCreate.Fire(NewEvent(sender, nil))
case w32.WM_CLOSE:
cc.onClose.Fire(NewEvent(sender, nil))
case w32.WM_MOUSEMOVE:
//if cc.isMouseLeft {
cc.onMouseHover.Fire(NewEvent(sender, nil))
//internalTrackMouseEvent(cc.hwnd)
cc.isMouseLeft = false
//}
case w32.WM_MOUSELEAVE:
cc.onMouseLeave.Fire(NewEvent(sender, nil))
cc.isMouseLeft = true
}
return w32.DefWindowProc(cc.hwnd, msg, wparam, lparam)
}