window

package

v0.0.0-...-2f48622 Latest Latest Go to latest Published: Apr 20, 2024 License: MIT Imports: 10 Imported by: 0

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Repository

github.com/mkch/gw

Links

Open Source Insights

Documentation ¶

Index ¶

Variables
func Attach(hwnd win32.HWND, window *WindowBase) error
func PreTranslateMessage(msg *win32.MSG) bool
type MouseClickOpt
type MsgListenerKey
- func (k MsgListenerKey) Remove()
type PopupMenuSpec
type Spec
type Window
- func New(spec *Spec) (*Window, error)
- func (w *Window) SetMenu(menu *menu.Menu) error
type WindowBase
- func Query(hwnd win32.HWND) *WindowBase
type WndProc

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrAlreadyAttached = errors.New("already attached")

wiErrAlreadyAttached is returned by Attach if the HWND or *WindowBase is already attached.

Functions ¶

func Attach ¶

func Attach(hwnd win32.HWND, window *WindowBase) error

func PreTranslateMessage ¶

func PreTranslateMessage(msg *win32.MSG) bool

Types ¶

type MouseClickOpt ¶

type MouseClickOpt win32.WPARAM

func (MouseClickOpt) Control ¶

func (mk MouseClickOpt) Control() bool

func (MouseClickOpt) LButton ¶

func (mk MouseClickOpt) LButton() bool

func (MouseClickOpt) MButton ¶

func (mk MouseClickOpt) MButton() bool

func (MouseClickOpt) RDown ¶

func (mk MouseClickOpt) RDown() bool

func (MouseClickOpt) Shift ¶

func (mk MouseClickOpt) Shift() bool

func (MouseClickOpt) XButton1 ¶

func (mk MouseClickOpt) XButton1() bool

func (MouseClickOpt) XButton2 ¶

func (mk MouseClickOpt) XButton2() bool

type MsgListenerKey ¶

type MsgListenerKey struct {
	// contains filtered or unexported fields
}

MsgListenerKey represents a message listener added by WindowBase.AddMsgListener.

func (MsgListenerKey) Remove ¶

func (k MsgListenerKey) Remove()

Remove removes the listener.

type PopupMenuSpec ¶

type PopupMenuSpec struct {
	Flags   win32.TRACK_POPUP_MENU_FLAG
	X, Y    win32.LONG // Screen coordinates.
	Exclude *win32.RECT
}

type Spec ¶

type Spec struct {
	ClassName    string
	Text         string
	Style        win32.WINDOW_STYLE
	ExStyle      win32.WINDOW_EX_STYLE
	X            win32.INT
	Y            win32.INT
	Width        win32.INT
	Height       win32.INT
	InCurrentDPI bool // If true, X, Y, Width and Height are in current DPI, otherwise in USER_DEFAULT_SCREEN_DPI.
	WndParent    win32.HWND
	Menu         *menu.Menu
	Instance     win32.HINSTANCE // 0 for this module.
	OnCreate     func()
	OnClose      func()
}

type Window ¶

type Window struct {
	WindowBase
	OnCreate func()
	OnClose  func()
}

func New ¶

func New(spec *Spec) (*Window, error)

func (*Window) SetMenu ¶

func (w *Window) SetMenu(menu *menu.Menu) error

type WindowBase ¶

type WindowBase struct {
	OnLButtonUp   func(opt MouseClickOpt, x int, y int)
	OnLButtonDown func(opt MouseClickOpt, x int, y int)
	OnRButtonUp   func(opt MouseClickOpt, x int, y int)
	OnRButtonDown func(opt MouseClickOpt, x int, y int)
	// contains filtered or unexported fields
}

func Query ¶

func Query(hwnd win32.HWND) *WindowBase

func (*WindowBase) AddMsgListener ¶

func (w *WindowBase) AddMsgListener(message win32.UINT,
	listener func(hwnd win32.HWND, message win32.UINT, wParam win32.WPARAM, lParam win32.LPARAM)) MsgListenerKey

AddMsgListener adds a listener that is called when the message is received in the window procedure. To remove the listener, call Remove() of the returned MsgListenerKey.

func (*WindowBase) DPI ¶

func (w *WindowBase) DPI() (win32.UINT, error)

func (*WindowBase) Destroy ¶

func (w *WindowBase) Destroy() error

func (*WindowBase) GetClientRect ¶

func (w *WindowBase) GetClientRect() (*win32.RECT, error)

func (*WindowBase) HWND ¶

func (w *WindowBase) HWND() win32.HWND

func (*WindowBase) InvalidateRect ¶

func (w *WindowBase) InvalidateRect(rect *win32.RECT, eraseBk bool) error

func (*WindowBase) SetPaintCallback ¶

func (w *WindowBase) SetPaintCallback(f func(dc *paint.PaintDC, prev func(*paint.PaintDC)))

func (*WindowBase) SetText ¶

func (w *WindowBase) SetText(text string) error

func (*WindowBase) SetValue ¶

func (w *WindowBase) SetValue(key, value any)

Value sets the value associated with this window for key. Setting A nil value deletes the value associated with key if any. See Context.Value() in context package for the concept and usage of associated value.

func (*WindowBase) SetWndProc ¶

func (w *WindowBase) SetWndProc(wndProc WndProc)

SetWndProc sets the window procedure of w. It panics if wndProc is nil.

func (*WindowBase) Show ¶

func (w *WindowBase) Show(cmd win32.SHOW_WINDOW_CMD)

func (*WindowBase) Text ¶

func (w *WindowBase) Text() (string, error)

func (*WindowBase) TrackPopupMenu ¶

func (w *WindowBase) TrackPopupMenu(menu *menu.Menu, spec *PopupMenuSpec) error

TrackPopupMenu tracks a popup menu. If spec is nil, default flag, empty exclude RECT and GetCursorPos() are used.

func (*WindowBase) Value ¶

func (w *WindowBase) Value(key any) any

Value returns the value associated with this window for key, or nil if no value is associated with key. See Context.Value() in context package for the concept and usage of associated value.

type WndProc ¶

type WndProc func(hwnd win32.HWND, message win32.UINT, wParam win32.WPARAM, lParam win32.LPARAM, prevWndProc win32.WndProc) win32.LRESULT

Source Files ¶

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