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scroll viewport to bottom on certain character write events

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Fixes #120
This commit is contained in:
Mitchell Hashimoto
2023-03-20 20:58:00 -07:00
parent 0cd6e08ca3
commit d9f41b4fa6
1 changed files with 40 additions and 0 deletions
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40
src/Surface.zig
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@ -897,6 +897,15 @@ pub fn keyCallback(
.write_stable = data,
}, .{ .forever = {} });
try self.io_thread.wakeup.notify();
// CSI triggers a scroll.
{
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
self.scrollToBottom() catch |err| {
log.warn("error scrolling to bottom err={}", .{err});
};
}
},
.cursor_key => |ck| {
@ -906,6 +915,13 @@ pub fn keyCallback(
const normal = normal: {
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
// With the lock held, we must scroll to the bottom.
// We always scroll to the bottom for these inputs.
self.scrollToBottom() catch |err| {
log.warn("error scrolling to bottom err={}", .{err});
};
break :normal !self.io.terminal.modes.cursor_keys;
};
@ -953,6 +969,13 @@ pub fn keyCallback(
const bracketed = bracketed: {
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
// With the lock held, we must scroll to the bottom.
// We always scroll to the bottom for these inputs.
self.scrollToBottom() catch |err| {
log.warn("error scrolling to bottom err={}", .{err});
};
break :bracketed self.io.terminal.modes.bracketed_paste;
};
@ -1140,6 +1163,15 @@ pub fn keyCallback(
// After sending all our messages we have to notify our IO thread
try self.io_thread.wakeup.notify();
// Control charactesr trigger a scroll
{
self.renderer_state.mutex.lock();
defer self.renderer_state.mutex.unlock();
self.scrollToBottom() catch |err| {
log.warn("error scrolling to bottom err={}", .{err});
};
}
}
}
}
@ -1822,6 +1854,14 @@ fn posToViewport(self: Surface, xpos: f64, ypos: f64) terminal.point.Viewport {
};
}
/// Scroll to the bottom of the viewport.
///
/// Precondition: the render_state mutex must be held.
fn scrollToBottom(self: *Surface) !void {
try self.io.terminal.scrollViewport(.{ .bottom = {} });
try self.queueRender();
}
const face_ttf = @embedFile("font/res/FiraCode-Regular.ttf");
const face_bold_ttf = @embedFile("font/res/FiraCode-Bold.ttf");
const face_emoji_ttf = @embedFile("font/res/NotoColorEmoji.ttf");