unknown
a784d26875
Trade Analysis: - Add toggleable equity curve overlays: Account total, By Strategy, By Symbol, By Day of Week — checkboxes above each chart - Fix all chart backgrounds to transparent (inherit page theme) - Fix grid and font colours to work on both dark and light backgrounds Settings page: - Full theme control: Dark / Light / Custom radio with Apply button - Custom mode: colour pickers for accent, page bg, sidebar bg, text, font selector and base dark/light toggle - Preview swatches before applying - Discard / Reset to Dark button - Text size: Normal / Large (+2px) / Extra Large (+4px) via CSS injection - inject_theme_css() helper for app.py to apply font size on all pages - Theme written to .streamlit/config.toml on apply
210 lines
8.8 KiB
Python
210 lines
8.8 KiB
Python
"""
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view_settings.py
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================
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Settings page — theme, custom colours, font size.
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"""
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import streamlit as st
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import os, re
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CONFIG_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), ".streamlit")
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CONFIG_FILE = os.path.join(CONFIG_DIR, "config.toml")
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THEMES = {
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"Dark": {
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"base": "dark",
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"primaryColor": "#7c6af7",
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"backgroundColor": "#0e1117",
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"secondaryBackgroundColor": "#1a1f2e",
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"textColor": "#fafafa",
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"font": "sans serif",
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},
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"Light": {
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"base": "light",
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"primaryColor": "#2E75B6",
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"backgroundColor": "#ffffff",
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"secondaryBackgroundColor": "#f0f2f6",
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"textColor": "#1a1a1a",
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"font": "sans serif",
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},
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}
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def _read_config() -> dict:
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"""Read .streamlit/config.toml, return dict of theme keys."""
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if not os.path.isfile(CONFIG_FILE):
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return dict(THEMES["Dark"])
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try:
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text = open(CONFIG_FILE).read()
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found = {}
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for key in ["base","primaryColor","backgroundColor",
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"secondaryBackgroundColor","textColor","font"]:
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m = re.search(key + r'\s*=\s*"([^"]*)"', text)
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if m:
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found[key] = m.group(1)
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return {**THEMES["Dark"], **found}
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except Exception:
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return dict(THEMES["Dark"])
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def _write_config(theme: dict):
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os.makedirs(CONFIG_DIR, exist_ok=True)
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lines = ["[theme]\n"]
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for k, v in theme.items():
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lines.append(f'{k} = "{v}"\n')
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with open(CONFIG_FILE, "w") as f:
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f.writelines(lines)
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def _is_custom(cfg: dict) -> bool:
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"""Return True if the saved config differs from both standard themes."""
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for t in THEMES.values():
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if all(cfg.get(k) == v for k, v in t.items()):
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return False
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return True
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def inject_theme_css():
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"""Call from app.py on every page to apply font size globally."""
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_size_map = {"Normal": 0, "Large (+2px)": 2, "Extra Large (+4px)": 4}
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_delta = _size_map.get(st.session_state.get("st_font_size", "Normal"), 0)
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if _delta > 0:
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st.markdown(f"""<style>
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html, body, [class*="css"] {{ font-size: calc(1rem + {_delta}px) !important; }}
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.stMarkdown p, .stMarkdown li, .stCaption, label,
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.stMetric label, .stMetric div[data-testid="metric-container"] {{
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font-size: calc(1rem + {_delta}px) !important;
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}}
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h1 {{ font-size: calc(2rem + {_delta}px) !important; }}
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h2 {{ font-size: calc(1.5rem + {_delta}px) !important; }}
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h3 {{ font-size: calc(1.25rem + {_delta}px) !important; }}
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</style>""", unsafe_allow_html=True)
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def render():
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st.title("Settings")
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# ── Theme selector ────────────────────────────────────────────────────────
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st.subheader("Theme")
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cfg = _read_config()
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# Determine current theme state
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if _is_custom(cfg):
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current_mode = "Custom"
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elif cfg.get("base") == "light":
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current_mode = "Light"
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else:
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current_mode = "Dark"
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# Always show all three options — Custom opens the colour pickers
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theme_options = ["Dark", "Light", "Custom"]
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selected = st.radio("Theme", theme_options, horizontal=True, key="st_theme_pick",
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index=theme_options.index(current_mode) if current_mode in theme_options else 0)
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# ── Apply button for Dark / Light ────────────────────────────────────────
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if selected in ("Dark", "Light"):
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if st.button(f"Apply {selected} Theme", type="primary", key="st_apply_base"):
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_write_config(THEMES[selected])
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st.success(f"{selected} theme applied — reloading...")
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st.rerun()
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# ── Custom colour section — only show when Custom is selected ─────────────
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if selected == "Custom":
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st.caption("Customise colours below then click **Apply Custom Theme**.")
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st.markdown("---")
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c1, c2, c3 = st.columns(3)
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with c1:
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primary = st.color_picker("Accent colour",
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value=cfg.get("primaryColor","#7c6af7"),
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key="st_primary", help="Buttons, links, highlights")
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with c2:
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bg = st.color_picker("Page background",
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value=cfg.get("backgroundColor","#0e1117"),
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key="st_bg")
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sidebar_bg = st.color_picker("Sidebar / widget background",
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value=cfg.get("secondaryBackgroundColor","#1a1f2e"),
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key="st_sidebar_bg")
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with c3:
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text_color = st.color_picker("Text colour",
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value=cfg.get("textColor","#fafafa"),
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key="st_text")
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font = st.selectbox("Font", ["sans serif", "serif", "monospace"],
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index=["sans serif","serif","monospace"].index(
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cfg.get("font","sans serif")),
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key="st_font")
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base_for_custom = st.radio("Base", ["dark","light"], horizontal=True,
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key="st_custom_base",
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index=0 if cfg.get("base","dark")=="dark" else 1,
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help="Underlying dark or light base for your custom colours")
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# Preview swatches
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st.markdown("**Preview**")
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sw1, sw2, sw3, sw4 = st.columns(4)
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for col, color, label in [
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(sw1, bg, "Page BG"),
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(sw2, sidebar_bg, "Sidebar BG"),
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(sw3, primary, "Accent"),
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(sw4, text_color, "Text"),
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]:
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col.markdown(
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f'<div style="background:{color};padding:14px 8px;border-radius:6px;'
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f'text-align:center;font-size:12px;border:1px solid rgba(128,128,128,0.25)">'
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f'{label}<br><code style="font-size:10px">{color}</code></div>',
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unsafe_allow_html=True)
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st.markdown("")
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btn1, btn2 = st.columns([2, 1])
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if btn1.button("Apply Custom Theme", type="primary", key="st_apply"):
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try:
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_write_config({
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"base": base_for_custom,
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"primaryColor": primary,
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"backgroundColor": bg,
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"secondaryBackgroundColor": sidebar_bg,
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"textColor": text_color,
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"font": font,
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})
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st.success("Custom theme saved — reloading...")
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st.rerun()
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except Exception as e:
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st.error(f"Could not write config: {e}")
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if btn2.button("Discard / Reset to Dark", key="st_reset"):
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_write_config(THEMES["Dark"])
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st.success("Reset to Dark — reloading...")
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st.rerun()
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elif selected in ("Dark", "Light"):
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st.caption("Select **Custom** to adjust individual colours.")
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with st.expander("Config file"):
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st.code(CONFIG_FILE)
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if os.path.isfile(CONFIG_FILE):
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st.code(open(CONFIG_FILE).read(), language="toml")
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else:
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st.caption("No config.toml yet — created on first Apply.")
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# ── Text size ─────────────────────────────────────────────────────────────
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st.divider()
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st.subheader("Text Size")
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st.caption("Applies immediately across all pages — no reload needed.")
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st.radio("Text size", ["Normal", "Large (+2px)", "Extra Large (+4px)"],
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horizontal=True, key="st_font_size")
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inject_theme_css()
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# ── About ─────────────────────────────────────────────────────────────────
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st.divider()
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st.subheader("About")
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st.markdown("""
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**MT5 Tools** — standalone trade analysis and portfolio construction dashboard for MetaTrader 5.
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**Supported formats:** MT5 Account History HTM · MT5 Backtest HTM · Quant Analyzer CSV · IC Markets XLSX
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**Pages:** Trade Analysis · Trade Compare · Portfolio Builder · Portfolio Master · EA Comparator · Batch Backtest *(Windows only)*
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""")
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st.subheader("Requirements")
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st.code("pip install -r requirements.txt", language="bash")
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st.subheader("Launch")
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st.code("streamlit run app.py", language="bash") |