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Implement XDG-Toplevel move and resize request handlers

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Leon Henrik Plickat 2020-10-17 16:45:18 +02:00 committed by Isaac Freund
parent 1e0ee3b146
commit d5d1e87a95
2 changed files with 30 additions and 1 deletions
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2
river/Cursor.zig
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@ -33,7 +33,7 @@ const Seat = @import("Seat.zig");
const View = @import("View.zig");
const ViewStack = @import("view_stack.zig").ViewStack;
const Mode = union(enum) {
pub const Mode = union(enum) {
passthrough: void,
down: *View,
move: *View,

29
river/XdgToplevel.zig
View File

@ -24,6 +24,8 @@ const log = @import("log.zig");
const util = @import("util.zig");
const Box = @import("Box.zig");
const Mode = @import("Cursor.zig").Mode;
const Seat = @import("Seat.zig");
const View = @import("View.zig");
const ViewStack = @import("view_stack.zig").ViewStack;
const XdgPopup = @import("XdgPopup.zig");
@ -43,6 +45,8 @@ listen_unmap: c.wl_listener = undefined,
listen_commit: c.wl_listener = undefined,
listen_new_popup: c.wl_listener = undefined,
listen_request_fullscreen: c.wl_listener = undefined,
listen_request_move: c.wl_listener = undefined,
listen_request_resize: c.wl_listener = undefined,
pub fn init(self: *Self, view: *View, wlr_xdg_surface: *c.wlr_xdg_surface) void {
self.* = .{ .view = view, .wlr_xdg_surface = wlr_xdg_surface };
@ -168,6 +172,12 @@ fn handleMap(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
self.listen_request_fullscreen.notify = handleRequestFullscreen;
c.wl_signal_add(&wlr_xdg_toplevel.events.request_fullscreen, &self.listen_request_fullscreen);
self.listen_request_move.notify = handleRequestMove;
c.wl_signal_add(&wlr_xdg_toplevel.events.request_move, &self.listen_request_move);
self.listen_request_resize.notify = handleRequestResize;
c.wl_signal_add(&wlr_xdg_toplevel.events.request_resize, &self.listen_request_resize);
view.wlr_surface = self.wlr_xdg_surface.surface;
// Use the view's "natural" size centered on the output as the default
@ -228,6 +238,8 @@ fn handleUnmap(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
c.wl_list_remove(&self.listen_commit.link);
c.wl_list_remove(&self.listen_new_popup.link);
c.wl_list_remove(&self.listen_request_fullscreen.link);
c.wl_list_remove(&self.listen_request_move.link);
c.wl_list_remove(&self.listen_request_resize.link);
}
/// Called when the surface is comitted
@ -293,3 +305,20 @@ fn handleRequestFullscreen(listener: ?*c.wl_listener, data: ?*c_void) callconv(.
self.view.pending.fullscreen = event.fullscreen;
self.view.applyPending();
}
/// Called when the client asks to be moved via the cursor, for example when the
/// user drags CSD titlebars.
fn handleRequestMove(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const self = @fieldParentPtr(Self, "listen_request_move", listener.?);
const event = util.voidCast(c.wlr_xdg_toplevel_move_event, data.?);
const seat = util.voidCast(Seat, event.seat.*.seat.*.data.?);
Mode.enter(&seat.cursor, .move, self.view);
}
/// Called when the client asks to be resized via the cursor.
fn handleRequestResize(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const self = @fieldParentPtr(Self, "listen_request_resize", listener.?);
const event = util.voidCast(c.wlr_xdg_toplevel_resize_event, data.?);
const seat = util.voidCast(Seat, event.seat.*.seat.*.data.?);
Mode.enter(&seat.cursor, .resize, self.view);
}