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Reduce dependence on tb_cell and tb_cell_buffer()

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Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
2024-08-05 11:08:51 +02:00
parent 071b7a2182
commit 2c428f5537
5 changed files with 44 additions and 29 deletions
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37
src/tui/TerminalBuffer.zig
View File

@@ -74,27 +74,30 @@ pub fn init(config: Config, labels_max_length: usize, random: Random) TerminalBu
}
pub fn cascade(self: TerminalBuffer) bool {
var changes = false;
var changed = false;
var y = self.height - 2;
while (y > 0) : (y -= 1) {
for (0..self.width) |x| {
const c: u8 = @truncate(self.buffer[(y - 1) * self.width + x].ch);
if (std.ascii.isWhitespace(c)) continue;
const cell = self.buffer[(y - 1) * self.width + x];
const cell_under = self.buffer[y * self.width + x];
const c_under: u8 = @truncate(self.buffer[y * self.width + x].ch);
if (!std.ascii.isWhitespace(c_under)) continue;
const char: u8 = @truncate(cell.ch);
if (std.ascii.isWhitespace(char)) continue;
changes = true;
const char_under: u8 = @truncate(cell_under.ch);
if (!std.ascii.isWhitespace(char_under)) continue;
changed = true;
if ((self.random.int(u16) % 10) > 7) continue;
self.buffer[y * self.width + x] = self.buffer[(y - 1) * self.width + x];
self.buffer[(y - 1) * self.width + x].ch = ' ';
_ = termbox.tb_set_cell(@intCast(x), @intCast(y), cell.ch, cell.fg, cell.bg);
_ = termbox.tb_set_cell(@intCast(x), @intCast(y - 1), ' ', cell_under.fg, cell_under.bg);
}
}
return changes;
return changed;
}
pub fn drawBoxCenter(self: *TerminalBuffer, show_borders: bool, blank_box: bool) void {
@@ -117,16 +120,16 @@ pub fn drawBoxCenter(self: *TerminalBuffer, show_borders: bool, blank_box: bool)
var c2 = utils.initCell(self.box_chars.bottom, self.border_fg, self.bg);
for (0..self.box_width) |i| {
_ = utils.putCell(@intCast(x1 + i), @intCast(y1 - 1), &c1);
_ = utils.putCell(@intCast(x1 + i), @intCast(y2), &c2);
utils.putCell(x1 + i, y1 - 1, c1);
utils.putCell(x1 + i, y2, c2);
}
c1.ch = self.box_chars.left;
c2.ch = self.box_chars.right;
for (0..self.box_height) |i| {
_ = utils.putCell(@intCast(x1 - 1), @intCast(y1 + i), &c1);
_ = utils.putCell(@intCast(x2), @intCast(y1 + i), &c2);
utils.putCell(x1 - 1, y1 + i, c1);
utils.putCell(x2, y1 + i, c2);
}
}
@@ -135,7 +138,7 @@ pub fn drawBoxCenter(self: *TerminalBuffer, show_borders: bool, blank_box: bool)
for (0..self.box_height) |y| {
for (0..self.box_width) |x| {
_ = utils.putCell(@intCast(x1 + x), @intCast(y1 + y), &blank);
utils.putCell(x1 + x, y1 + y, blank);
}
}
}
@@ -191,8 +194,6 @@ pub fn drawConfinedLabel(self: TerminalBuffer, text: []const u8, x: usize, y: us
}
pub fn drawCharMultiple(self: TerminalBuffer, char: u8, x: usize, y: usize, length: usize) void {
const yc: c_int = @intCast(y);
const cell = utils.initCell(char, self.fg, self.bg);
for (0..length) |xx| _ = utils.putCell(@intCast(x + xx), yc, &cell);
for (0..length) |xx| utils.putCell(x + xx, y, cell);
}

12
src/tui/utils.zig
View File

@@ -3,7 +3,13 @@ const interop = @import("../interop.zig");
const termbox = interop.termbox;
pub fn initCell(ch: u32, fg: u16, bg: u16) termbox.tb_cell {
pub const Cell = struct {
ch: u32,
fg: u16,
bg: u16,
};
pub fn initCell(ch: u32, fg: u16, bg: u16) Cell {
return .{
.ch = ch,
.fg = fg,
@@ -11,8 +17,8 @@ pub fn initCell(ch: u32, fg: u16, bg: u16) termbox.tb_cell {
};
}
pub fn putCell(x: i32, y: i32, cell: *const termbox.tb_cell) c_int {
return termbox.tb_set_cell(x, y, cell.ch, cell.fg, cell.bg);
pub fn putCell(x: usize, y: usize, cell: Cell) void {
_ = termbox.tb_set_cell(@intCast(x), @intCast(y), cell.ch, cell.fg, cell.bg);
}
// Every codepoint is assumed to have a width of 1.