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#![allow(non_camel_case_types, non_snake_case)]
use crate::decl::*;
use crate::guard::*;
use crate::kernel::privs::*;
use crate::user::ffi;
impl HINSTANCE {
/// [`CreateDialogParam`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-createdialogparamw)
/// function.
///
/// # Safety
///
/// To create a dialog, you must provide a dialog procedure.
pub unsafe fn CreateDialogParam(
&self,
resource_id: IdStr,
hwnd_parent: Option<&HWND>,
dialog_proc: DLGPROC,
init_param: Option<isize>,
) -> SysResult<HWND> {
PtrRet(unsafe {
ffi::CreateDialogParamW(
self.ptr(),
resource_id.as_ptr(),
hwnd_parent.map_or(std::ptr::null_mut(), |h| h.ptr()),
dialog_proc as _,
init_param.unwrap_or_default(),
)
})
.to_sysresult_handle()
}
/// [`DialogBoxIndirectParam`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-dialogboxindirectparamw)
/// function.
///
/// # Safety
///
/// To create a dialog, you must provide a dialog procedure.
pub unsafe fn DialogBoxIndirectParam(
&self,
dialog_template: &DLGTEMPLATE,
hwnd_parent: Option<&HWND>,
dialog_proc: DLGPROC,
init_param: Option<isize>,
) -> SysResult<isize> {
match unsafe {
ffi::DialogBoxIndirectParamW(
self.ptr(),
pcvoid(dialog_template),
hwnd_parent.map_or(std::ptr::null_mut(), |h| h.ptr()),
dialog_proc as _,
init_param.unwrap_or_default(),
)
} {
-1 => Err(GetLastError()),
res => Ok(res), // assumes hWndParent as valid, so no check for zero
}
}
/// [`DialogBoxParam`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-dialogboxparamw)
/// function.
///
/// # Safety
///
/// To create a dialog, you must provide a dialog procedure.
pub unsafe fn DialogBoxParam(
&self,
resource_id: IdStr,
hwnd_parent: Option<&HWND>,
dialog_proc: DLGPROC,
init_param: Option<isize>,
) -> SysResult<isize> {
match unsafe {
ffi::DialogBoxParamW(
self.ptr(),
resource_id.as_ptr(),
hwnd_parent.map_or(std::ptr::null_mut(), |h| h.ptr()),
dialog_proc as _,
init_param.unwrap_or_default(),
)
} {
-1 => Err(GetLastError()),
res => Ok(res), // assumes hwnd_parent as valid, so no check for zero
}
}
/// [`GetClassInfoEx`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getclassinfoexw)
/// function.
///
/// # Examples
///
/// Retrieving information of a window class created in our application:
///
/// ```no_run
/// use winsafe::{self as w, prelude::*};
///
/// let (atom, wcx) = w::HINSTANCE::GetModuleHandle(None)?
/// .GetClassInfoEx("SOME_CLASS_NAME")?;
/// # w::SysResult::Ok(())
/// ```
pub fn GetClassInfoEx(&self, class_name: &str) -> SysResult<(ATOM, WNDCLASSEX<'_>)> {
let mut wcx = WNDCLASSEX::default();
match unsafe {
ffi::GetClassInfoExW(
self.ptr(),
WString::from_str(class_name).as_ptr(),
pvoid(&mut wcx),
)
} {
0 => Err(GetLastError()),
atom => Ok((unsafe { ATOM::from_raw(atom as _) }, wcx)),
}
}
/// [`LoadAccelerators`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-loadacceleratorsw)
/// function.
#[must_use]
pub fn LoadAccelerators(&self, table_name: IdStr) -> SysResult<DestroyAcceleratorTableGuard> {
unsafe {
PtrRet(ffi::LoadAcceleratorsW(self.ptr(), table_name.as_ptr()))
.to_sysresult_handle()
.map(|h| DestroyAcceleratorTableGuard::new(h))
}
}
/// [`LoadCursor`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-loadcursorw)
/// function.
///
/// # Examples
///
/// Loading a system cursor:
///
/// ```no_run
/// use winsafe::{self as w, prelude::*, co};
///
/// let sys_cursor = w::HINSTANCE::NULL
/// .LoadCursor(w::IdIdcStr::Idc(co::IDC::ARROW))?;
/// # w::SysResult::Ok(())
/// ```
#[must_use]
pub fn LoadCursor(&self, resource_id: IdIdcStr) -> SysResult<DestroyCursorGuard> {
unsafe {
PtrRet(ffi::LoadCursorW(self.ptr(), resource_id.as_ptr()))
.to_sysresult_handle()
.map(|h| DestroyCursorGuard::new(h))
}
}
/// [`LoadIcon`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-loadiconw)
/// function.
///
/// # Examples
///
/// Loading a system icon:
///
/// ```no_run
/// use winsafe::{self as w, prelude::*, co};
///
/// let sys_icon = w::HINSTANCE::NULL
/// .LoadIcon(w::IdIdiStr::Idi(co::IDI::INFORMATION))?;
/// # w::SysResult::Ok(())
/// ```
#[must_use]
pub fn LoadIcon(&self, icon_id: IdIdiStr) -> SysResult<DestroyIconGuard> {
unsafe {
PtrRet(ffi::LoadIconW(self.ptr(), icon_id.as_ptr()))
.to_sysresult_handle()
.map(|h| DestroyIconGuard::new(h))
}
}
/// [`LoadMenu`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-loadmenuw)
/// function.
#[must_use]
pub fn LoadMenu(&self, resource_id: IdStr) -> SysResult<DestroyMenuGuard> {
unsafe {
PtrRet(ffi::LoadMenuW(self.ptr(), resource_id.as_ptr()))
.to_sysresult_handle()
.map(|h| DestroyMenuGuard::new(h))
}
}
/// [`LoadString`](https://learn.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-loadstringw)
/// function.
#[must_use]
pub fn LoadString(&self, id: u16) -> SysResult<String> {
let mut pdata: *const u16 = std::ptr::null_mut();
match unsafe { ffi::LoadStringW(self.ptr(), id as _, &mut pdata as *mut _ as _, 0) } {
0 => Err(GetLastError()),
len => Ok(WString::from_wchars_count(pdata, len as _).to_string()),
}
}
}