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Get rid of [*c] pointers

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This commit is contained in:
Isaac Freund 2020-03-24 19:40:47 +01:00
parent a5a84d8164
commit e01a150f6d
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GPG Key ID: 86DED400DDFD7A11
6 changed files with 35 additions and 33 deletions
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24
src/cursor.zig
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@ -218,10 +218,10 @@ pub const Cursor = struct {
}
}
fn handle_motion(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_motion(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is forwarded by the cursor when a pointer emits a _relative_
// pointer motion event (i.e. a delta)
var cursor = @fieldParentPtr(Cursor, "listen_motion", listener);
var cursor = @fieldParentPtr(Cursor, "listen_motion", listener.?);
var event = @ptrCast(
*c.wlr_event_pointer_motion,
@alignCast(@alignOf(*c.wlr_event_pointer_motion), data),
@ -235,14 +235,14 @@ pub const Cursor = struct {
cursor.process_motion(event.time_msec);
}
fn handle_motion_absolute(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_motion_absolute(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is forwarded by the cursor when a pointer emits an _absolute_
// motion event, from 0..1 on each axis. This happens, for example, when
// wlroots is running under a Wayland window rather than KMS+DRM, and you
// move the mouse over the window. You could enter the window from any edge,
// so we have to warp the mouse there. There is also some hardware which
// emits these events.
var cursor = @fieldParentPtr(Cursor, "listen_motion_absolute", listener);
var cursor = @fieldParentPtr(Cursor, "listen_motion_absolute", listener.?);
var event = @ptrCast(
*c.wlr_event_pointer_motion_absolute,
@alignCast(@alignOf(*c.wlr_event_pointer_motion_absolute), data),
@ -251,10 +251,10 @@ pub const Cursor = struct {
cursor.process_motion(event.time_msec);
}
fn handle_button(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_button(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is forwarded by the cursor when a pointer emits a button
// event.
var cursor = @fieldParentPtr(Cursor, "listen_button", listener);
var cursor = @fieldParentPtr(Cursor, "listen_button", listener.?);
var event = @ptrCast(
*c.wlr_event_pointer_button,
@alignCast(@alignOf(*c.wlr_event_pointer_button), data),
@ -290,10 +290,10 @@ pub const Cursor = struct {
}
}
fn handle_axis(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_axis(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is forwarded by the cursor when a pointer emits an axis event,
// for example when you move the scroll wheel.
var cursor = @fieldParentPtr(Cursor, "listen_axis", listener);
var cursor = @fieldParentPtr(Cursor, "listen_axis", listener.?);
var event = @ptrCast(
*c.wlr_event_pointer_axis,
@alignCast(@alignOf(*c.wlr_event_pointer_axis), data),
@ -310,19 +310,19 @@ pub const Cursor = struct {
);
}
fn handle_frame(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_frame(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is forwarded by the cursor when a pointer emits an frame
// event. Frame events are sent after regular pointer events to group
// multiple events together. For instance, two axis events may happen at the
// same time, in which case a frame event won't be sent in between.
var cursor = @fieldParentPtr(Cursor, "listen_frame", listener);
var cursor = @fieldParentPtr(Cursor, "listen_frame", listener.?);
// Notify the client with pointer focus of the frame event.
c.wlr_seat_pointer_notify_frame(cursor.seat.wlr_seat);
}
fn handle_request_set_cursor(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_request_set_cursor(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is rasied by the seat when a client provides a cursor image
var cursor = @fieldParentPtr(Cursor, "listen_request_set_cursor", listener);
var cursor = @fieldParentPtr(Cursor, "listen_request_set_cursor", listener.?);
var event = @ptrCast(
*c.wlr_seat_pointer_request_set_cursor_event,
@alignCast(@alignOf(*c.wlr_seat_pointer_request_set_cursor_event), data),

8
src/keyboard.zig
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@ -48,10 +48,10 @@ pub const Keyboard = struct {
c.wl_signal_add(&keyboard_device.*.events.key, &self.listen_key);
}
fn handle_modifiers(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_modifiers(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is raised when a modifier key, such as shift or alt, is
// pressed. We simply communicate this to the client. */
var keyboard = @fieldParentPtr(Keyboard, "listen_modifiers", listener);
var keyboard = @fieldParentPtr(Keyboard, "listen_modifiers", listener.?);
// A seat can only have one keyboard, but this is a limitation of the
// Wayland protocol - not wlroots. We assign all connected keyboards to the
@ -63,9 +63,9 @@ pub const Keyboard = struct {
c.wlr_seat_keyboard_notify_modifiers(keyboard.seat.wlr_seat, &keyboard.*.device.*.unnamed_37.keyboard.*.modifiers);
}
fn handle_key(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_key(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is raised when a key is pressed or released.
const keyboard = @fieldParentPtr(Keyboard, "listen_key", listener);
const keyboard = @fieldParentPtr(Keyboard, "listen_key", listener.?);
const event = @ptrCast(
*c.wlr_event_keyboard_key,
@alignCast(@alignOf(*c.wlr_event_keyboard_key), data),

8
src/output.zig
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@ -52,10 +52,10 @@ pub const Output = struct {
c.wlr_output_create_global(wlr_output);
}
fn handle_frame(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_frame(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This function is called every time an output is ready to display a frame,
// generally at the output's refresh rate (e.g. 60Hz).
var output = @fieldParentPtr(Output, "listen_frame", listener);
var output = @fieldParentPtr(Output, "listen_frame", listener.?);
var renderer = output.server.wlr_renderer;
var now: c.struct_timespec = undefined;
@ -110,7 +110,9 @@ pub const Output = struct {
_ = c.wlr_output_commit(output.*.wlr_output);
}
fn render_surface(surface: [*c]c.wlr_surface, sx: c_int, sy: c_int, data: ?*c_void) callconv(.C) void {
fn render_surface(opt_surface: ?*c.wlr_surface, sx: c_int, sy: c_int, data: ?*c_void) callconv(.C) void {
// wlroots says this will never be null
var surface = opt_surface.?;
// This function is called for every surface that needs to be rendered.
var rdata = @ptrCast(*RenderData, @alignCast(@alignOf(RenderData), data));
var view = rdata.*.view;

4
src/seat.zig
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@ -60,9 +60,9 @@ pub const Seat = struct {
c.wlr_cursor_attach_input_device(self.cursor.wlr_cursor, device);
}
fn handle_new_input(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_new_input(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is raised by the backend when a new input device becomes available.
var seat = @fieldParentPtr(Seat, "listen_new_input", listener);
var seat = @fieldParentPtr(Seat, "listen_new_input", listener.?);
var device = @ptrCast(*c.wlr_input_device, @alignCast(@alignOf(*c.wlr_input_device), data));
switch (device.*.type) {

8
src/server.zig
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@ -143,8 +143,8 @@ pub const Server = struct {
return true;
}
fn handle_new_output(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
var server = @fieldParentPtr(Server, "listen_new_output", listener);
fn handle_new_output(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
var server = @fieldParentPtr(Server, "listen_new_output", listener.?);
var wlr_output = @ptrCast(*c.wlr_output, @alignCast(@alignOf(*c.wlr_output), data));
// TODO: Handle failure
@ -153,10 +153,10 @@ pub const Server = struct {
server.outputs.append(node);
}
fn handle_new_xdg_surface(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_new_xdg_surface(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// This event is raised when wlr_xdg_shell receives a new xdg surface from a
// client, either a toplevel (application window) or popup.
var server = @fieldParentPtr(Server, "listen_new_xdg_surface", listener);
var server = @fieldParentPtr(Server, "listen_new_xdg_surface", listener.?);
var wlr_xdg_surface = @ptrCast(*c.wlr_xdg_surface, @alignCast(@alignOf(*c.wlr_xdg_surface), data));
if (wlr_xdg_surface.role != c.enum_wlr_xdg_surface_role.WLR_XDG_SURFACE_ROLE_TOPLEVEL) {

16
src/view.zig
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@ -39,20 +39,20 @@ pub const View = struct {
// c.wl_signal_add(&toplevel.*.events.request_resize, &view.*.request_resize);
}
fn handle_map(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
fn handle_map(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// Called when the surface is mapped, or ready to display on-screen.
var view = @fieldParentPtr(View, "listen_map", listener);
var view = @fieldParentPtr(View, "listen_map", listener.?);
view.mapped = true;
view.focus(view.wlr_xdg_surface.surface);
}
fn handle_unmap(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
var view = @fieldParentPtr(View, "listen_unmap", listener);
fn handle_unmap(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
var view = @fieldParentPtr(View, "listen_unmap", listener.?);
view.*.mapped = false;
}
fn handle_destroy(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
var view = @fieldParentPtr(View, "listen_destroy", listener);
fn handle_destroy(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
var view = @fieldParentPtr(View, "listen_destroy", listener.?);
var server = view.server;
var it = server.views.first;
@ -66,11 +66,11 @@ pub const View = struct {
server.views.destroyNode(target, server.allocator);
}
// fn xdg_toplevel_request_move(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
// fn xdg_toplevel_request_move(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// // ignore for now
// }
// fn xdg_toplevel_request_resize(listener: [*c]c.wl_listener, data: ?*c_void) callconv(.C) void {
// fn xdg_toplevel_request_resize(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
// // ignore for now
// }