Esempio n. 1
0
func MustRegisterWindowClassWithWndProcPtr(className string, wndProcPtr uintptr) {
	if registeredWindowClasses[className] {
		panic("window class already registered")
	}

	hInst := win.GetModuleHandle(nil)
	if hInst == 0 {
		panic("GetModuleHandle")
	}

	hIcon := win.LoadIcon(0, (*uint16)(unsafe.Pointer(uintptr(win.IDI_APPLICATION))))
	if hIcon == 0 {
		panic("LoadIcon")
	}

	hCursor := win.LoadCursor(0, (*uint16)(unsafe.Pointer(uintptr(win.IDC_ARROW))))
	if hCursor == 0 {
		panic("LoadCursor")
	}

	var wc win.WNDCLASSEX
	wc.CbSize = uint32(unsafe.Sizeof(wc))
	wc.LpfnWndProc = wndProcPtr
	wc.HInstance = hInst
	wc.HIcon = hIcon
	wc.HCursor = hCursor
	wc.HbrBackground = win.COLOR_BTNFACE + 1
	wc.LpszClassName = syscall.StringToUTF16Ptr(className)

	if atom := win.RegisterClassEx(&wc); atom == 0 {
		panic("RegisterClassEx")
	}

	registeredWindowClasses[className] = true
}
Esempio n. 2
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func CursorSize() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZE))}
}
Esempio n. 3
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func CursorIcon() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_ICON))}
}
Esempio n. 4
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func CursorHelp() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_HELP))}
}
Esempio n. 5
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func CursorAppStarting() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_APPSTARTING))}
}
Esempio n. 6
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func CursorHand() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_HAND))}
}
Esempio n. 7
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func CursorNo() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_NO))}
}
Esempio n. 8
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func CursorUpArrow() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_UPARROW))}
}
Esempio n. 9
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func CursorCross() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_CROSS))}
}
Esempio n. 10
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func CursorWait() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_WAIT))}
}
Esempio n. 11
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func CursorIBeam() Cursor {
	return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_IBEAM))}
}