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const std = @import("std");
const assert = std.debug.assert;
const Allocator = std.mem.Allocator;
const cimgui = @import("cimgui");
const terminal = @import("../terminal/main.zig");
/// A cell being inspected. This duplicates much of the data in
/// the terminal data structure because we want the inspector to
/// not have a reference to the terminal state or to grab any
/// locks.
pub const Cell = struct {
/// The main codepoint for this cell.
codepoint: u21,
/// Codepoints for this cell to produce a single grapheme cluster.
/// This is only non-empty if the cell is part of a multi-codepoint
/// grapheme cluster. This does NOT include the primary codepoint.
cps: []const u21,
/// The style of this cell.
style: terminal.Style,
/// Wide state of the terminal cell
wide: terminal.Cell.Wide,
pub fn init(
alloc: Allocator,
pin: terminal.Pin,
) !Cell {
const cell = pin.rowAndCell().cell;
const style = pin.style(cell);
const cps: []const u21 = if (cell.hasGrapheme()) cps: {
const src = pin.grapheme(cell).?;
assert(src.len > 0);
break :cps try alloc.dupe(u21, src);
} else &.{};
errdefer if (cps.len > 0) alloc.free(cps);
return .{
.codepoint = cell.codepoint(),
.cps = cps,
.style = style,
.wide = cell.wide,
};
}
pub fn deinit(self: *Cell, alloc: Allocator) void {
if (self.cps.len > 0) alloc.free(self.cps);
}
pub fn renderTable(
self: *const Cell,
t: *const terminal.Terminal,
x: usize,
y: usize,
) void {
// We have a selected cell, show information about it.
_ = cimgui.c.igBeginTable(
"table_cursor",
2,
cimgui.c.ImGuiTableFlags_None,
.{ .x = 0, .y = 0 },
0,
);
defer cimgui.c.igEndTable();
{
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
{
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText("Grid Position");
}
{
_ = cimgui.c.igTableSetColumnIndex(1);
cimgui.c.igText("row=%d col=%d", y, x);
}
}
// NOTE: we don't currently write the character itself because
// we haven't hooked up imgui to our font system. That's hard! We
// can/should instead hook up our renderer to imgui and just render
// the single glyph in an image view so it looks _identical_ to the
// terminal.
codepoint: {
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
{
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText("Codepoints");
}
{
_ = cimgui.c.igTableSetColumnIndex(1);
if (cimgui.c.igBeginListBox("##codepoints", .{ .x = 0, .y = 0 })) {
defer cimgui.c.igEndListBox();
if (self.codepoint == 0) {
_ = cimgui.c.igSelectable_Bool("(empty)", false, 0, .{});
break :codepoint;
}
// Primary codepoint
var buf: [256]u8 = undefined;
{
const key = std.fmt.bufPrintZ(&buf, "U+{X}", .{self.codepoint}) catch
"<internal error>";
_ = cimgui.c.igSelectable_Bool(key.ptr, false, 0, .{});
}
// All extras
for (self.cps) |cp| {
const key = std.fmt.bufPrintZ(&buf, "U+{X}", .{cp}) catch
"<internal error>";
_ = cimgui.c.igSelectable_Bool(key.ptr, false, 0, .{});
}
}
}
}
// Character width property
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText("Width Property");
_ = cimgui.c.igTableSetColumnIndex(1);
cimgui.c.igText(@tagName(self.wide));
// If we have a color then we show the color
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText("Foreground Color");
_ = cimgui.c.igTableSetColumnIndex(1);
switch (self.style.fg_color) {
.none => cimgui.c.igText("default"),
.palette => |idx| {
const rgb = t.color_palette.colors[idx];
cimgui.c.igValue_Int("Palette", idx);
var color: [3]f32 = .{
@as(f32, @floatFromInt(rgb.r)) / 255,
@as(f32, @floatFromInt(rgb.g)) / 255,
@as(f32, @floatFromInt(rgb.b)) / 255,
};
_ = cimgui.c.igColorEdit3(
"color_fg",
&color,
cimgui.c.ImGuiColorEditFlags_DisplayHex |
cimgui.c.ImGuiColorEditFlags_NoPicker |
cimgui.c.ImGuiColorEditFlags_NoLabel,
);
},
.rgb => |rgb| {
var color: [3]f32 = .{
@as(f32, @floatFromInt(rgb.r)) / 255,
@as(f32, @floatFromInt(rgb.g)) / 255,
@as(f32, @floatFromInt(rgb.b)) / 255,
};
_ = cimgui.c.igColorEdit3(
"color_fg",
&color,
cimgui.c.ImGuiColorEditFlags_DisplayHex |
cimgui.c.ImGuiColorEditFlags_NoPicker |
cimgui.c.ImGuiColorEditFlags_NoLabel,
);
},
}
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText("Background Color");
_ = cimgui.c.igTableSetColumnIndex(1);
switch (self.style.bg_color) {
.none => cimgui.c.igText("default"),
.palette => |idx| {
const rgb = t.color_palette.colors[idx];
cimgui.c.igValue_Int("Palette", idx);
var color: [3]f32 = .{
@as(f32, @floatFromInt(rgb.r)) / 255,
@as(f32, @floatFromInt(rgb.g)) / 255,
@as(f32, @floatFromInt(rgb.b)) / 255,
};
_ = cimgui.c.igColorEdit3(
"color_bg",
&color,
cimgui.c.ImGuiColorEditFlags_DisplayHex |
cimgui.c.ImGuiColorEditFlags_NoPicker |
cimgui.c.ImGuiColorEditFlags_NoLabel,
);
},
.rgb => |rgb| {
var color: [3]f32 = .{
@as(f32, @floatFromInt(rgb.r)) / 255,
@as(f32, @floatFromInt(rgb.g)) / 255,
@as(f32, @floatFromInt(rgb.b)) / 255,
};
_ = cimgui.c.igColorEdit3(
"color_bg",
&color,
cimgui.c.ImGuiColorEditFlags_DisplayHex |
cimgui.c.ImGuiColorEditFlags_NoPicker |
cimgui.c.ImGuiColorEditFlags_NoLabel,
);
},
}
// Boolean styles
const styles = .{
"bold", "italic", "faint", "blink",
"inverse", "invisible", "strikethrough",
};
inline for (styles) |style| style: {
if (!@field(self.style.flags, style)) break :style;
cimgui.c.igTableNextRow(cimgui.c.ImGuiTableRowFlags_None, 0);
{
_ = cimgui.c.igTableSetColumnIndex(0);
cimgui.c.igText(style.ptr);
}
{
_ = cimgui.c.igTableSetColumnIndex(1);
cimgui.c.igText("true");
}
}
cimgui.c.igTextDisabled("(Any styles not shown are not currently set)");
}
};
|
