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inspector: terminal colors

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This commit is contained in:
Mitchell Hashimoto
2026-01-27 12:41:22 -08:00
parent 41b5dc4928
commit 03f012f567
1 changed files with 213 additions and 2 deletions
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215
src/inspector/terminal.zig
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@@ -10,9 +10,11 @@ pub const Window = struct {
/// Window name/id.
pub const name = "Terminal";
/// Whether the palette window is open.
show_palette: bool = false,
// Render
pub fn render(self: *Window, t: *Terminal) void {
_ = self;
// Start our window. If we're collapsed we do nothing.
defer cimgui.c.ImGui_End();
@@ -210,6 +212,215 @@ pub const Window = struct {
}
}
}
} // cursor
} // layout
if (cimgui.c.ImGui_CollapsingHeader(
"Color",
cimgui.c.ImGuiTreeNodeFlags_DefaultOpen,
)) {
cimgui.c.ImGui_TextWrapped(
"Color state for the terminal. Note these colors only apply " ++
"to the palette and unstyled colors. Many modern terminal " ++
"applications use direct RGB colors which are not reflected here.",
);
cimgui.c.ImGui_Separator();
_ = cimgui.c.ImGui_BeginTable(
"table_color",
2,
cimgui.c.ImGuiTableFlags_None,
);
defer cimgui.c.ImGui_EndTable();
{
cimgui.c.ImGui_TableNextRow();
{
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
cimgui.c.ImGui_Text("Background");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("Unstyled cell background color.");
}
{
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
_ = dynamicRGB(
"bg_color",
&t.colors.background,
);
}
}
{
cimgui.c.ImGui_TableNextRow();
{
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
cimgui.c.ImGui_Text("Foreground");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("Unstyled cell foreground color.");
}
{
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
_ = dynamicRGB(
"fg_color",
&t.colors.foreground,
);
}
}
{
cimgui.c.ImGui_TableNextRow();
{
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
cimgui.c.ImGui_Text("Cursor");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("Cursor coloring set by escape sequences.");
}
{
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
_ = dynamicRGB(
"cursor_color",
&t.colors.cursor,
);
}
}
{
cimgui.c.ImGui_TableNextRow();
{
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
cimgui.c.ImGui_Text("Palette");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("The 256-color palette.");
}
{
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
if (cimgui.c.ImGui_Button("View")) {
self.show_palette = true;
}
}
}
} // color
if (self.show_palette) {
defer cimgui.c.ImGui_End();
if (cimgui.c.ImGui_Begin(
"256-Color Palette",
&self.show_palette,
cimgui.c.ImGuiWindowFlags_NoFocusOnAppearing,
)) {
palette("palette", &t.colors.palette.current);
}
}
}
};
/// Render a DynamicRGB color.
///
/// Note: this currently can't be modified but we plan to allow that
/// and return a boolean letting you know if anything was modified.
fn dynamicRGB(
label: [:0]const u8,
rgb: *terminal.color.DynamicRGB,
) bool {
_ = cimgui.c.ImGui_BeginTable(
label,
if (rgb.override != null) 2 else 1,
cimgui.c.ImGuiTableFlags_SizingFixedFit,
);
defer cimgui.c.ImGui_EndTable();
if (rgb.override != null) cimgui.c.ImGui_TableSetupColumn(
"##label",
cimgui.c.ImGuiTableColumnFlags_WidthFixed,
);
cimgui.c.ImGui_TableSetupColumn(
"##value",
cimgui.c.ImGuiTableColumnFlags_WidthStretch,
);
if (rgb.override) |c| {
cimgui.c.ImGui_TableNextRow();
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
cimgui.c.ImGui_Text("override:");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("Overridden color set by escape sequences.");
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
var col = [3]f32{
@as(f32, @floatFromInt(c.r)) / 255.0,
@as(f32, @floatFromInt(c.g)) / 255.0,
@as(f32, @floatFromInt(c.b)) / 255.0,
};
_ = cimgui.c.ImGui_ColorEdit3(
"##override",
&col,
cimgui.c.ImGuiColorEditFlags_None,
);
}
cimgui.c.ImGui_TableNextRow();
_ = cimgui.c.ImGui_TableSetColumnIndex(0);
if (rgb.default) |c| {
if (rgb.override != null) {
cimgui.c.ImGui_Text("default:");
cimgui.c.ImGui_SameLine();
widgets.helpMarker("Default color from configuration.");
_ = cimgui.c.ImGui_TableSetColumnIndex(1);
}
var col = [3]f32{
@as(f32, @floatFromInt(c.r)) / 255.0,
@as(f32, @floatFromInt(c.g)) / 255.0,
@as(f32, @floatFromInt(c.b)) / 255.0,
};
_ = cimgui.c.ImGui_ColorEdit3(
"##default",
&col,
cimgui.c.ImGuiColorEditFlags_None,
);
} else {
cimgui.c.ImGui_TextDisabled("(unset)");
}
return false;
}
/// Render a color palette as a 16x16 grid of color buttons.
fn palette(
label: [:0]const u8,
pal: *const terminal.color.Palette,
) void {
cimgui.c.ImGui_PushID(label);
defer cimgui.c.ImGui_PopID();
for (0..16) |row| {
for (0..16) |col| {
const idx = row * 16 + col;
const rgb = pal[idx];
var col_arr = [3]f32{
@as(f32, @floatFromInt(rgb.r)) / 255.0,
@as(f32, @floatFromInt(rgb.g)) / 255.0,
@as(f32, @floatFromInt(rgb.b)) / 255.0,
};
if (col > 0) cimgui.c.ImGui_SameLine();
cimgui.c.ImGui_PushIDInt(@intCast(idx));
_ = cimgui.c.ImGui_ColorEdit3(
"##color",
&col_arr,
cimgui.c.ImGuiColorEditFlags_NoInputs,
);
if (cimgui.c.ImGui_IsItemHovered(cimgui.c.ImGuiHoveredFlags_DelayShort)) {
cimgui.c.ImGui_SetTooltip(
"%d: #%02X%02X%02X",
idx,
rgb.r,
rgb.g,
rgb.b,
);
}
cimgui.c.ImGui_PopID();
}
}
}