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Merge pull request #192 from bjwbell/mouse-cursors

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Add mouse cursor support
This commit is contained in:
tomaka 2015-01-13 10:43:46 +01:00
commit 05a03fb6a1
8 changed files with 179 additions and 4 deletions
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4
src/x11/ffi.rs
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@ -1384,6 +1384,7 @@ extern "C" {
#[link(name = "GL")]
#[link(name = "X11")]
#[link(name = "Xxf86vm")]
#[link(name = "Xcursor")]
extern "C" {
pub fn XCloseDisplay(display: *mut Display);
pub fn XCheckMaskEvent(display: *mut Display, event_mask: libc::c_long,
@ -1454,6 +1455,9 @@ extern "C" {
x: libc::c_int, y: libc::c_int) -> Bool;
pub fn XF86VidModeGetAllModeLines(dpy: *mut Display, screen: libc::c_int,
modecount_return: *mut libc::c_int, modesinfo: *mut *mut *mut XF86VidModeModeInfo) -> Bool;
pub fn XcursorLibraryLoadCursor(dpy: *mut Display, name: *const libc::c_char) -> Cursor;
pub fn XDefineCursor(dby: *mut Display, w: Window, cursor: Cursor);
}
/*

49
src/x11/window/mod.rs
View file

@ -1,4 +1,4 @@
use {Event, BuilderAttribs};
use {Event, BuilderAttribs, MouseCursor};
use CreationError;
use CreationError::OsError;
use libc;
@ -611,4 +611,51 @@ impl Window {
pub fn set_window_resize_callback(&mut self, _: Option<fn(usize, usize)>) {
}
pub fn set_cursor(&self, cursor: MouseCursor) {
unsafe {
use std::ffi::CString;
let cursor_name = match cursor {
MouseCursor::Alias => "link",
MouseCursor::Arrow => "arrow",
MouseCursor::Cell => "plus",
MouseCursor::Copy => "copy",
MouseCursor::Crosshair => "crosshair",
MouseCursor::Default => "left_ptr",
MouseCursor::Grabbing => "grabbing",
MouseCursor::Hand | MouseCursor::Grab => "hand",
MouseCursor::Help => "question_arrow",
MouseCursor::Move => "move",
MouseCursor::NoDrop => "circle",
MouseCursor::NotAllowed => "crossed_circle",
MouseCursor::Progress => "left_ptr_watch",
/// Resize cursors
MouseCursor::EResize => "right_side",
MouseCursor::NResize => "top_side",
MouseCursor::NeResize => "top_right_corner",
MouseCursor::NwResize => "top_left_corner",
MouseCursor::SResize => "bottom_side",
MouseCursor::SeResize => "bottom_right_corner",
MouseCursor::SwResize => "bottom_left_corner",
MouseCursor::WResize => "left_side",
MouseCursor::EwResize | MouseCursor::ColResize => "h_double_arrow",
MouseCursor::NsResize | MouseCursor::RowResize => "v_double_arrow",
MouseCursor::NwseResize => "bd_double_arrow",
MouseCursor::NeswResize => "fd_double_arrow",
MouseCursor::Text | MouseCursor::VerticalText => "xterm",
MouseCursor::Wait => "watch",
/// TODO: Find matching X11 cursors
MouseCursor::ContextMenu | MouseCursor::NoneCursor |
MouseCursor::AllScroll | MouseCursor::ZoomIn |
MouseCursor::ZoomOut => "left_ptr",
};
let c_string = CString::from_slice(cursor_name.as_bytes());
let xcursor = ffi::XcursorLibraryLoadCursor(self.x.display, c_string.as_ptr());
ffi::XDefineCursor (self.x.display, self.x.window, xcursor);
ffi::XFlush(self.x.display);
}
}
}