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Implement CursorState::Hide for x11

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This commit is contained in:
Thinkofname 2016-03-21 18:42:54 +00:00
parent 9a8ca6ebae
commit 267221af3e
1 changed files with 41 additions and 14 deletions
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55
src/api/x11/window.rs
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@ -339,7 +339,7 @@ impl Window {
let m = (0 .. mode_num).map(|i| {
let m: ffi::XF86VidModeModeInfo = ptr::read(*modes.offset(i as isize) as *const _); m
}).find(|m| m.hdisplay >= dimensions.0 as u16 && m.vdisplay >= dimensions.1 as u16);
match m {
Some(m) => Some(m),
None => return Err(OsError(format!("Could not find a suitable graphics mode")))
@ -845,29 +845,61 @@ impl Window {
self.x.display.check_errors().expect("Failed to call XcursorLibraryLoadCursor");
(self.x.display.xlib.XDefineCursor)(self.x.display.display, self.x.window, xcursor);
(self.x.display.xlib.XFlush)(self.x.display.display);
(self.x.display.xlib.XFreeCursor)(self.x.display.display, xcursor);
self.x.display.check_errors().expect("Failed to call XDefineCursor");
}
}
pub fn set_cursor_state(&self, state: CursorState) -> Result<(), String> {
use CursorState::{ Grab, Normal };
use CursorState::{ Grab, Normal, Hide };
let mut cursor_state = self.cursor_state.lock().unwrap();
match (state, *cursor_state) {
(Normal, Grab) => {
(Normal, Normal) | (Hide, Hide) | (Grab, Grab) => return Ok(()),
_ => {},
}
match *cursor_state {
Grab => {
unsafe {
(self.x.display.xlib.XUngrabPointer)(self.x.display.display, ffi::CurrentTime);
self.x.display.check_errors().expect("Failed to call XUngrabPointer");
*cursor_state = Normal;
Ok(())
}
},
(Grab, Normal) => {
Normal => {},
Hide => {
unsafe {
*cursor_state = Grab;
let xcursor = (self.x.display.xlib.XCreateFontCursor)(self.x.display.display, 68/*XC_left_ptr*/);
self.x.display.check_errors().expect("Failed to call XCreateFontCursor");
(self.x.display.xlib.XDefineCursor)(self.x.display.display, self.x.window, xcursor);
self.x.display.check_errors().expect("Failed to call XDefineCursor");
(self.x.display.xlib.XFlush)(self.x.display.display);
(self.x.display.xlib.XFreeCursor)(self.x.display.display, xcursor);
}
},
}
*cursor_state = state;
match state {
Normal => Ok(()),
Hide => {
let data = &[0, 0, 0, 0, 0, 0, 0, 0];
unsafe {
let mut black = ffi::XColor {
red: 0, green: 0, blue: 0,
pad: 0, pixel: 0, flags: 0,
};
let bitmap = (self.x.display.xlib.XCreateBitmapFromData)(self.x.display.display, self.x.window, data.as_ptr(), 8, 8);
let cursor = (self.x.display.xlib.XCreatePixmapCursor)(self.x.display.display, bitmap, bitmap, &mut black, &mut black, 0, 0);
(self.x.display.xlib.XDefineCursor)(self.x.display.display, self.x.window, cursor);
self.x.display.check_errors().expect("Failed to call XDefineCursor");
(self.x.display.xlib.XFreeCursor)(self.x.display.display, cursor);
(self.x.display.xlib.XFreePixmap)(self.x.display.display, bitmap);
}
Ok(())
},
Grab => {
unsafe {
match (self.x.display.xlib.XGrabPointer)(
self.x.display.display, self.x.window, ffi::False,
(ffi::ButtonPressMask | ffi::ButtonReleaseMask | ffi::EnterWindowMask |
@ -886,11 +918,6 @@ impl Window {
}
}
},
// Nothing needs to change
(Grab, Grab) | (Normal, Normal) => Ok(()),
_ => unimplemented!(),
}
}