f80992e329
- list all files as copyright "The River Developers" - add an AUTHORS file to acknowledge contributors
65 lines
2.5 KiB
Zig
65 lines
2.5 KiB
Zig
// This file is part of river, a dynamic tiling wayland compositor.
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//
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// Copyright 2020 The River Developers
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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const std = @import("std");
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const Error = @import("../command.zig").Error;
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const Seat = @import("../Seat.zig");
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const View = @import("../View.zig");
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const ViewStack = @import("../view_stack.zig").ViewStack;
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/// Bump the focused view to the top of the stack. If the view on the top of
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/// the stack is focused, bump the second view to the top.
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pub fn zoom(
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allocator: *std.mem.Allocator,
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seat: *Seat,
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args: []const []const u8,
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out: *?[]const u8,
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) Error!void {
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if (args.len > 1) return Error.TooManyArguments;
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if (seat.focused == .view) {
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// Only zoom views that are part of the layout
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if (seat.focused.view.pending.float or seat.focused.view.pending.fullscreen) return;
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// If the first view that is part of the layout is focused, zoom
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// the next view in the layout. Otherwise zoom the focused view.
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const output = seat.focused_output;
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var it = ViewStack(View).iter(output.views.first, .forward, output.pending.tags, filter);
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const layout_first = @fieldParentPtr(ViewStack(View).Node, "view", it.next().?);
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const focused_node = @fieldParentPtr(ViewStack(View).Node, "view", seat.focused.view);
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const zoom_node = if (focused_node == layout_first)
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if (it.next()) |view| @fieldParentPtr(ViewStack(View).Node, "view", view) else null
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else
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focused_node;
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if (zoom_node) |to_bump| {
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output.views.remove(to_bump);
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output.views.push(to_bump);
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seat.focus(&to_bump.view);
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output.arrangeViews();
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output.root.startTransaction();
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}
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}
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}
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fn filter(view: *View, filter_tags: u32) bool {
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return !view.destroying and !view.pending.float and
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!view.pending.fullscreen and view.pending.tags & filter_tags != 0;
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}
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