Add theme system with Reclass Dark and Warm built-in themes

Replaces ~40 hardcoded color values with 27 semantic color roles. Adds ThemeManager singleton, theme editor dialog, View > Theme menu, JSON persistence for user themes, and fixes inline edit selection color from blue #264f78 to #2b2b2b.
2026-05-10 19:59:21 +00:00 · 2026-02-10 07:46:18 -07:00
parent 8eab304538
commit 24a7e68136
12 changed files with 885 additions and 208 deletions
--- a/src/themes/themeeditor.cpp
+++ b/src/themes/themeeditor.cpp
@@ -0,0 +1,95 @@
+#include "themeeditor.h"
+#include <QFormLayout>
+#include <QDialogButtonBox>
+#include <QColorDialog>
+#include <QLineEdit>
+#include <QLabel>
+
+namespace rcx {
+
+ThemeEditor::ThemeEditor(const Theme& theme, QWidget* parent)
+    : QDialog(parent), m_theme(theme)
+{
+    setWindowTitle("Edit Theme");
+    setMinimumWidth(320);
+
+    auto* form = new QFormLayout;
+
+    // Name field
+    auto* nameEdit = new QLineEdit(m_theme.name);
+    connect(nameEdit, &QLineEdit::textChanged, this, [this](const QString& t) {
+        m_theme.name = t;
+    });
+    form->addRow("Name", nameEdit);
+
+    // Color swatches
+    struct FieldDef { const char* label; QColor Theme::*ptr; };
+    const FieldDef fields[] = {
+        {"Background",      &Theme::background},
+        {"Background Alt",  &Theme::backgroundAlt},
+        {"Surface",         &Theme::surface},
+        {"Border",          &Theme::border},
+        {"Button",          &Theme::button},
+        {"Text",            &Theme::text},
+        {"Text Dim",        &Theme::textDim},
+        {"Text Muted",      &Theme::textMuted},
+        {"Text Faint",      &Theme::textFaint},
+        {"Hover",           &Theme::hover},
+        {"Selected",        &Theme::selected},
+        {"Selection",       &Theme::selection},
+        {"Keyword",         &Theme::syntaxKeyword},
+        {"Number",          &Theme::syntaxNumber},
+        {"String",          &Theme::syntaxString},
+        {"Comment",         &Theme::syntaxComment},
+        {"Preprocessor",    &Theme::syntaxPreproc},
+        {"Type",            &Theme::syntaxType},
+        {"Hover Span",      &Theme::indHoverSpan},
+        {"Cmd Pill",        &Theme::indCmdPill},
+        {"Data Changed",    &Theme::indDataChanged},
+        {"Hint Green",      &Theme::indHintGreen},
+        {"Pointer Marker",  &Theme::markerPtr},
+        {"Cycle Marker",    &Theme::markerCycle},
+        {"Error Marker",    &Theme::markerError},
+    };
+
+    for (const auto& f : fields) {
+        auto* btn = new QPushButton;
+        btn->setFixedSize(60, 24);
+        btn->setCursor(Qt::PointingHandCursor);
+        SwatchEntry entry{f.label, f.ptr, btn};
+        m_swatches.append(entry);
+        updateSwatch(m_swatches.last());
+
+        int idx = m_swatches.size() - 1;
+        connect(btn, &QPushButton::clicked, this, [this, idx]() {
+            pickColor(m_swatches[idx]);
+        });
+        form->addRow(f.label, btn);
+    }
+
+    auto* buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
+    connect(buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
+    connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+    auto* layout = new QVBoxLayout(this);
+    layout->addLayout(form);
+    layout->addWidget(buttons);
+}
+
+void ThemeEditor::updateSwatch(SwatchEntry& entry) {
+    QColor c = m_theme.*entry.field;
+    entry.button->setStyleSheet(QStringLiteral(
+        "QPushButton { background: %1; border: 1px solid #555; border-radius: 3px; }")
+        .arg(c.name()));
+    entry.button->setToolTip(c.name());
+}
+
+void ThemeEditor::pickColor(SwatchEntry& entry) {
+    QColor c = QColorDialog::getColor(m_theme.*entry.field, this, entry.label);
+    if (c.isValid()) {
+        m_theme.*entry.field = c;
+        updateSwatch(entry);
+    }
+}
+
+} // namespace rcx