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Implement fullscreening

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Ben Buhse 2026-01-24 14:45:33 -06:00
commit 92e82f38f5
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3 changed files with 101 additions and 46 deletions
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57
src/WindowManager.zig
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@ -75,50 +75,50 @@ fn calculatePrimaryStackLayout(wm: *WindowManager) void {
var it = wm.windows.iterator(.forward);
while (it.next()) |window| {
if (count == 1) {
// Single window: fullscreen
// TODO: Disable borders when maximized
window.new_x = output_x;
window.new_y = output_y;
window.new_width = output_width;
window.new_height = output_height;
window.is_maximized = true;
// Single window: maximize
window.pending_state.x = output_x;
window.pending_state.y = output_y;
window.pending_state.width = output_width;
window.pending_state.height = output_height;
window.pending_state.maximized = true;
} else {
// Multiple windows: primary/stack layout
// TODO: Support multiple primaries
// TODO: Support multiple windows in primary stack
const primary_width: u31 = @intFromFloat(@as(f32, @floatFromInt(output_width)) * PRIMARY_RATIO);
const stack_width: u31 = output_width - primary_width;
const stack_count = count - 1;
const stack_height: u31 = @divFloor(output_height, stack_count);
window.is_maximized = false;
window.pending_state.maximized = false;
if (index == 0) {
// Primary window (first window) - right side
window.new_x = output_x + @as(i32, stack_width);
window.new_y = output_y;
window.new_width = primary_width;
window.new_height = output_height;
window.pending_state.x = output_x + @as(i32, stack_width);
window.pending_state.y = output_y;
window.pending_state.width = primary_width;
window.pending_state.height = output_height;
} else {
// Stack window(s) - left side
const stack_index = index - 1;
window.new_x = output_x;
window.new_y = output_y + @as(i32, stack_index) * @as(i32, stack_height);
window.new_width = stack_width;
window.pending_state.x = output_x;
window.pending_state.y = output_y + @as(i32, stack_index) * @as(i32, stack_height);
window.pending_state.width = stack_width;
// Last stack window gets remaining height to avoid gaps from integer division
if (index == count - 1) {
window.new_height = output_height - stack_index * stack_height;
window.pending_state.height = output_height - stack_index * stack_height;
} else {
window.new_height = stack_height;
window.pending_state.height = stack_height;
}
}
// Make space for borders; this is the same for all windows
// (unless we disable borders when maximized?)
const border_width = wm.context.config.border_width;
window.new_height -= 2 * border_width;
window.new_width -= 2 * border_width;
window.new_x += border_width;
window.new_y += border_width;
}
// Make space for borders; this is the same for all windows.
// Borders are automatically disabled when a window is fullscreened so we don't
// have to worry about that.
const border_width = wm.context.config.border_width;
window.pending_state.height.? -= 2 * border_width;
window.pending_state.width.? -= 2 * border_width;
window.pending_state.x.? += border_width;
window.pending_state.y.? += border_width;
index += 1;
}
}
@ -140,8 +140,9 @@ fn windowManagerV1Listener(window_manager_v1: *river.WindowManagerV1, event: riv
context.xkb_bindings.addBinding(xkbcommon.Keysym.t, .{ .mod4 = true }, .{ .spawn = &.{"foot"} });
context.xkb_bindings.addBinding(xkbcommon.Keysym.j, .{ .mod4 = true }, .focus_next);
context.xkb_bindings.addBinding(xkbcommon.Keysym.k, .{ .mod4 = true }, .focus_prev);
context.xkb_bindings.addBinding(xkbcommon.Keysym.q, .{ .mod4 = true, .shift = true }, XkbBindings.Command.close_window);
context.xkb_bindings.addBinding(xkbcommon.Keysym.e, .{ .mod4 = true, .shift = true }, XkbBindings.Command.exit);
context.xkb_bindings.addBinding(xkbcommon.Keysym.f, .{ .mod4 = true }, .fullscreen);
context.xkb_bindings.addBinding(xkbcommon.Keysym.q, .{ .mod4 = true, .shift = true }, .close_window);
context.xkb_bindings.addBinding(xkbcommon.Keysym.e, .{ .mod4 = true, .shift = true }, .exit);
}
{