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https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-12-24 22:31:30 +11:00
Remove XInput2 code for handling keyboard events
* For the moment we're still using plain core X11 events for handling keyboard activity, so remove the XInput2 code for that * Small refactoring of X11 input handling and documentation fixes
This commit is contained in:
Robert Knight
parent
94c31e42a4
commit
cb08d9b05b
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@ -13,8 +13,7 @@ use super::XConnection;
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#[derive(Debug)]
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enum AxisType {
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HorizontalScroll,
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VerticalScroll,
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Other
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VerticalScroll
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}
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#[derive(Debug)]
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@ -33,7 +32,11 @@ struct AxisValue {
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}
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struct InputState {
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/// Last-seen cursor position within a window in (x, y)
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/// coordinates
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cursor_pos: (f64, f64),
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/// Last-seen positions of axes, used to report delta
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/// movements when a new absolute axis value is received
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axis_values: Vec<AxisValue>
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}
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@ -68,7 +71,10 @@ impl XInputEventHandler {
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}
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}
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// specify the XInput events we want to receive
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// specify the XInput events we want to receive.
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// Button clicks and mouse events are handled via XInput
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// events. Key presses are still handled via plain core
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// X11 events.
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let mut mask: [libc::c_uchar; 1] = [0];
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let mut input_event_mask = ffi::XIEventMask {
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deviceid: ffi::XIAllDevices,
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@ -132,10 +138,8 @@ impl XInputEventHandler {
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str::from_utf8(&buffer[..count as usize]).unwrap_or("").to_string()
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};
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{
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for chr in written.chars() {
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translated_events.push(ReceivedCharacter(chr));
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}
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for chr in written.chars() {
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translated_events.push(ReceivedCharacter(chr));
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}
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let mut keysym = unsafe {
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@ -159,19 +163,6 @@ impl XInputEventHandler {
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use events::MouseScrollDelta::{PixelDelta, LineDelta};
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match cookie.evtype {
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ffi::XI_KeyPress | ffi::XI_KeyRelease => {
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let event_data: &ffi::XIDeviceEvent = unsafe{mem::transmute(cookie.data)};
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if cookie.evtype == ffi::XI_KeyPress {
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if event_data.flags & ffi::XIKeyRepeat == 0 {
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println!("XInput Key {} pressed", event_data.detail);
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None
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} else {
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None
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}
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} else {
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None
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}
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},
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ffi::XI_ButtonPress | ffi::XI_ButtonRelease => {
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let event_data: &ffi::XIDeviceEvent = unsafe{mem::transmute(cookie.data)};
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let state = if cookie.evtype == ffi::XI_ButtonPress {
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@ -183,23 +174,23 @@ impl XInputEventHandler {
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ffi::Button1 => Some(MouseInput(state, Left)),
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ffi::Button2 => Some(MouseInput(state, Middle)),
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ffi::Button3 => Some(MouseInput(state, Right)),
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ffi::Button4 => {
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ffi::Button4 | ffi::Button5 => {
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if event_data.flags & ffi::XIPointerEmulated == 0 {
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Some(MouseWheel(LineDelta(0.0, 1.0)))
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// scroll event from a traditional wheel with
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// distinct 'clicks'
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let delta = if event_data.detail as u32 == ffi::Button4 {
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1.0
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} else {
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-1.0
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};
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Some(MouseWheel(LineDelta(0.0, delta)))
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} else {
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// emulated button event from a touch/smooth-scroll
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// event. Scrolling is instead reported via the
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// XI_Motion event handler
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// event. Ignore these events and handle scrolling
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// via XI_Motion event handler instead
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None
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}
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},
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ffi::Button5 => {
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if event_data.flags & ffi::XIPointerEmulated == 0 {
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Some(MouseWheel(LineDelta(0.0, -1.0)))
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} else {
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None
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}
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},
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}
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_ => None
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}
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},
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@ -252,6 +243,9 @@ fn read_input_axis_info(display: &Arc<XConnection>) -> Vec<Axis> {
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for k in 0..device.num_classes {
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let class = unsafe { *(device.classes.offset(k as isize)) };
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match unsafe { (*class)._type } {
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// Note that scroll axis
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// are reported both as 'XIScrollClass' and 'XIValuatorClass'
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// axes. For the moment we only care about scrolling axes.
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ffi::XIScrollClass => {
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let scroll_class: &ffi::XIScrollClassInfo = unsafe{mem::transmute(class)};
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axis_list.push(Axis{
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@ -265,34 +259,16 @@ fn read_input_axis_info(display: &Arc<XConnection>) -> Vec<Axis> {
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}
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})
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},
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ffi::XIValuatorClass => {
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let valuator_class: &ffi::XIValuatorClassInfo = unsafe{mem::transmute(class)};
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axis_list.push(Axis{
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id: valuator_class.sourceid,
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device_id: device.deviceid,
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axis_number: valuator_class.number,
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axis_type: AxisType::Other
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})
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},
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_ => {}
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}
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}
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}
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axis_list.sort_by(|a, b| {
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if a.device_id != b.device_id {
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a.device_id.cmp(&b.device_id)
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} else if a.id != b.id {
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a.id.cmp(&b.id)
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} else {
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a.axis_number.cmp(&b.axis_number)
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}
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});
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axis_list
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}
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/// Given an input motion event for an axis and the previous
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/// state of the axises, return the horizontal/vertical
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/// state of the axes, return the horizontal/vertical
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/// scroll deltas
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fn calc_scroll_deltas(event: &ffi::XIDeviceEvent,
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axis_id: i32,
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@ -326,8 +302,7 @@ fn calc_scroll_deltas(event: &ffi::XIDeviceEvent,
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axis.axis_number == axis_id {
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match axis.axis_type {
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AxisType::HorizontalScroll => scroll_delta.0 = delta,
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AxisType::VerticalScroll => scroll_delta.1 = delta,
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_ => {}
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AxisType::VerticalScroll => scroll_delta.1 = delta
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}
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}
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}
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@ -177,15 +177,17 @@ impl<'a> Iterator for PollEventsIterator<'a> {
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return Some(ev);
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}
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let xlib = &self.window.x.display.xlib;
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loop {
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let mut xev = unsafe { mem::uninitialized() };
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let res = unsafe { (self.window.x.display.xlib.XCheckMaskEvent)(self.window.x.display.display, -1, &mut xev) };
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let res = unsafe { (xlib.XCheckMaskEvent)(self.window.x.display.display, -1, &mut xev) };
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if res == 0 {
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let res = unsafe { (self.window.x.display.xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::ClientMessage, &mut xev) };
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let res = unsafe { (xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::ClientMessage, &mut xev) };
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if res == 0 {
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let res = unsafe { (self.window.x.display.xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::GenericEvent, &mut xev) };
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let res = unsafe { (xlib.XCheckTypedEvent)(self.window.x.display.display, ffi::GenericEvent, &mut xev) };
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if res == 0 {
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return None;
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}
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@ -194,7 +196,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
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match xev.get_type() {
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ffi::KeymapNotify => {
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unsafe { (self.window.x.display.xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
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unsafe { (xlib.XRefreshKeyboardMapping)(mem::transmute(&xev)); }
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},
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ffi::ClientMessage => {
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