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window_draw_list: Use generic to add_text

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This change allows to use `add_text` with any type that implements
`AsRef<str>`. This includes `String`, `&str`, `ImString` and `&ImStr`.
This commit is contained in:
Malik Olivier Boussejra 2018-05-30 14:20:28 +09:00
parent 429073a29c
commit 485c8a230e
1 changed files with 3 additions and 1 deletions
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4
src/window_draw_list.rs
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@ -210,11 +210,13 @@ impl<'ui> WindowDrawList<'ui> {
} }
/// Draw a text whose upper-left corner is at point `pos`. /// Draw a text whose upper-left corner is at point `pos`.
pub fn add_text<P, C>(&self, pos: P, col: C, text: &str) pub fn add_text<P, C, T>(&self, pos: P, col: C, text: T)
where where
P: Into<ImVec2>, P: Into<ImVec2>,
C: Into<ImColor>, C: Into<ImColor>,
T: AsRef<str>,
{ {
let text = text.as_ref();
unsafe { unsafe {
let start = text.as_ptr() as *const i8; let start = text.as_ptr() as *const i8;
let end = (start as usize + text.len()) as *const i8; let end = (start as usize + text.len()) as *const i8;