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Custom palette and style sheet for Qt UI light and dark mode, with live update #1593

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7e9f8ed
Custom palette and style sheet for light and dark mode, with live update
Zueuk Jul 5, 2026
b36f951
Styled checkbox
Zueuk Jul 8, 2026
ebdcbc4
Palette fix, disable accent color styling in Light mode
Zueuk Jul 9, 2026
decc286
Scrollable LoRA tab for consistent look
Zueuk Jul 11, 2026
0bde7d5
Resolve conflict
Zueuk Jul 12, 2026
2b69094
Fix plot colors in dark mode
Zueuk Jul 12, 2026
20ae4f9
Missing section frame around layer_filter_preset
Zueuk Jul 15, 2026
63d0dd7
Fewer color changes in Light mode, default border size
Zueuk Jul 18, 2026
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2 changes: 1 addition & 1 deletion modules/ui/BaseConceptWindowView.py
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Original file line number Diff line number Diff line change
Expand Up @@ -425,7 +425,7 @@ def _update_concept_stats(self, controller):
sec = self.bucket_ax.secondary_xaxis(location=-0.1)
sec.spines["bottom"].set_linewidth(0)
sec.set_xticks([0, (len(aspects)-1)/2, len(aspects)-1], labels=["Wide", "Square", "Tall"])
sec.tick_params('x', length=0)
sec.tick_params('x', length=0, color=self.text_color)
self.canvas.draw()

def decimal_to_aspect_ratio(self, value : float):
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3 changes: 2 additions & 1 deletion modules/ui/BaseTrainingTabView.py
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Expand Up @@ -869,8 +869,9 @@ def __create_loss_frame(self, master, row, controller, ui_state,
row += 1

def __create_layer_frame(self, master, row, controller, ui_state):
frame = self.components.section_frame(master, row)
presets = controller.get_layer_presets()
self.components.layer_filter_entry(master, row, 0, ui_state,
self.components.layer_filter_entry(frame, row, 0, ui_state,
preset_var_name="layer_filter_preset", presets=presets,
preset_label="Layer Filter",
preset_tooltip="Select a preset defining which layers to train, or select 'Custom' to define your own.\nA blank 'custom' field or 'Full' will train all layers.",
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7 changes: 4 additions & 3 deletions modules/ui/PySide6ConceptTabView.py
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Expand Up @@ -8,7 +8,7 @@

from PIL.ImageQt import ImageQt
from PySide6.QtGui import QPixmap
from PySide6.QtWidgets import QCheckBox, QHBoxLayout, QLabel, QLineEdit, QPushButton, QWidget
from PySide6.QtWidgets import QCheckBox, QFrame, QHBoxLayout, QLabel, QLineEdit, QPushButton, QWidget


class PySide6ConceptTabView(PySide6ConfigListView, BaseConceptTabView):
Expand Down Expand Up @@ -102,17 +102,18 @@ def _reset_filters(self):
self._update_filters()


class PySide6ConceptWidgetView(BaseConceptWidgetView, QWidget):
class PySide6ConceptWidgetView(BaseConceptWidgetView, QFrame):

def __init__(self, master, concept, i, open_command, remove_command, clone_command, save_command, controller):
QWidget.__init__(self, master)
QFrame.__init__(self, master)
BaseConceptWidgetView.__init__(self, pyside6_components, concept)
self.ui_state = PySide6UIState(concept)
self.image_ui_state = PySide6UIState(concept.image)
self.text_ui_state = PySide6UIState(concept.text)
self.i = i

self.setFixedSize(160, 180)
self.setObjectName("section_frame")

image = self._get_preview_image()
pixmap = QPixmap.fromImage(ImageQt(image.convert("RGBA")))
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20 changes: 13 additions & 7 deletions modules/ui/PySide6LoraTabView.py
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Expand Up @@ -3,7 +3,7 @@
from modules.util.enum.ModelType import PeftType
from modules.util.ui import pyside6_components

from PySide6.QtWidgets import QWidget
from PySide6.QtWidgets import QScrollArea, QWidget


class PySide6LoraTabView(BaseLoraTabView, QWidget):
Expand All @@ -16,6 +16,7 @@ def __init__(self, master, controller: LoraTabController, ui_state):
self.controller = controller
self.ui_state = ui_state
self.scroll_frame = None
self.inner_frame = None
self.options_frame = None
self.refresh_ui()

Expand All @@ -24,22 +25,27 @@ def refresh_ui(self):
self.scroll_frame.hide()
self.scroll_frame.deleteLater()

self.scroll_frame = QWidget(self)
self.scroll_frame = QScrollArea(self)
self.scroll_frame.setWidgetResizable(True)
pyside6_components._layout(self).addWidget(self.scroll_frame, 0, 0)
lo = pyside6_components._layout(self.scroll_frame)

self.inner_frame = QWidget()
self.scroll_frame.setWidget(self.inner_frame)

lo = pyside6_components._layout(self.inner_frame)
lo.setContentsMargins(pyside6_components.PAD, pyside6_components.PAD, pyside6_components.PAD, pyside6_components.PAD)
lo.setColumnStretch(1, 1)
lo.setColumnStretch(2, 2)
self.build(self.scroll_frame, self.controller, self.ui_state, self.setup_lora)
pyside6_components._pack_form(self.scroll_frame)
self.build(self.inner_frame, self.controller, self.ui_state, self.setup_lora)
pyside6_components._pack_form(self.inner_frame)

def setup_lora(self, peft_type: PeftType):
if self.options_frame is not None:
self.options_frame.hide()
self.options_frame.deleteLater()

self.options_frame = QWidget(self.scroll_frame)
pyside6_components._layout(self.scroll_frame).addWidget(self.options_frame, 1, 0, 1, 3)
self.options_frame = QWidget(self.inner_frame)
pyside6_components._layout(self.inner_frame).addWidget(self.options_frame, 1, 0, 1, 3)
lo = pyside6_components._layout(self.options_frame)
lo.setColumnStretch(1, 1)
lo.setColumnStretch(4, 1)
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15 changes: 15 additions & 0 deletions modules/ui/PySide6TimestepDistributionWindowView.py
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Expand Up @@ -31,6 +31,21 @@ def __init__(self, parent, controller: TimestepDistributionWindowController, ui_

fig, self._ax = plt.subplots()
self._canvas = FigureCanvasQTAgg(fig)

palette = self.palette()
text_color = palette.text().color().name()
background_color = palette.window().color().name()
fig.set_facecolor(background_color)

self._ax.set_facecolor(self.palette().window().color().name())
self._ax.spines['bottom'].set_color(text_color)
self._ax.spines['left'].set_color(text_color)
self._ax.spines['top'].set_color(text_color)
self._ax.spines['right'].set_color(text_color)
self._ax.tick_params(axis='x', colors=text_color, which="both")
self._ax.tick_params(axis='y', colors=text_color, which="both")
self._ax.xaxis.label.set_color(text_color)
self._ax.yaxis.label.set_color(text_color)
lo.addWidget(self._canvas, 0, 3, 8, 1)
self._update_preview()

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4 changes: 3 additions & 1 deletion modules/util/ui/pyside6_components.py
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Expand Up @@ -256,7 +256,7 @@ def path_entry(
frame = QWidget(master)
frame_lo = QGridLayout(frame)
frame_lo.setContentsMargins(0, 0, 0, 0)
frame_lo.setSpacing(0)
frame_lo.setSpacing(2)
frame_lo.setColumnStretch(0, 1)
_add(_layout(master), frame, row, column, sticky="new", padx=0, pady=0, colspan=columnspan)

Expand Down Expand Up @@ -335,6 +335,7 @@ def _open_dialog():

btn = QPushButton("...", frame)
btn.setFixedWidth(40)
btn.setFixedHeight(entry_component.sizeHint().height())
btn.clicked.connect(_open_dialog)
frame_lo.addWidget(btn, 0, 1)

Expand Down Expand Up @@ -782,6 +783,7 @@ def section_frame(parent: QWidget, row: int, col: int = 0, colspan: int = 1) ->
from PySide6.QtWidgets import QFrame
frame = QFrame(parent)
frame.setFrameShape(QFrame.Shape.StyledPanel)
frame.setObjectName("section_frame")
_layout(parent).addWidget(frame, row, col, 1, colspan)
frame_lo = _layout(frame)
frame_lo.setColumnStretch(0, 1)
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177 changes: 146 additions & 31 deletions modules/util/ui/pyside6_util.py
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Expand Up @@ -24,36 +24,151 @@ def create_application() -> QApplication:
# controls via OS theme APIs, which breaks once an application stylesheet
# is set, producing a flatter look than Fusion's own stylesheet-aware painting.
app.setStyle(QStyleFactory.create("Fusion"))
app.styleHints().setColorScheme(Qt.ColorScheme.Light)

palette = app.palette()
palette.setColor(QPalette.ColorRole.Base, QColor("white"))
palette.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.Base, QColor("#e0e0e0"))
app.setPalette(palette)

app.setStyleSheet("""
QLineEdit, QSpinBox, QDoubleSpinBox, QTextEdit, QPlainTextEdit {
padding: 2px 2px;
}
QCheckBox::indicator {
width: 16px;
height: 16px;
}
QProgressBar {
background-color: #c8c8c8;
}
QToolButton {
padding-top: 0px;
padding-bottom: 0px;
padding-right: 40px;
}
QToolButton::menu-indicator {
subcontrol-origin: padding;
subcontrol-position: right center;
width: 12px;
height: 12px;
right: 10px;
}
""")

color_schemes = {
Qt.ColorScheme.Light: {
"base": "#F9F9F9",
"text": "#1C1C1C",
"disabled": "#E0E0E0",
"disabled_text": "#7D7D7D",
"window": "#CFCFCF",
"window_section": "#DBDBDB",
"window_text": "#1C1C1C",
"button": "#36719F",
"button_hover": "#3B8ED0",
"button_disabled": "#A0A0A0",
"progress_bar": "#939BA2",
"checkbox": "#6AA5D2",
"checkbox_frame": "#3E4649",
"checkbox_hover": "#75B6E5",
"checkbox_glyph": "checkbox_light.png",
},
Qt.ColorScheme.Dark: {
"base": "#343638",
"text": "#DCE4EE",
"disabled": "#2D2D2D",
"disabled_text": "#9D9D9D",
"window": "#333333",
"window_text": "#DCE4EE",
"window_section": "#2B2B2B",
"button": "#144870",
"button_hover": "#195A8C",
"button_disabled": "#404040",
"progress_bar": "#4A4D50",
"checkbox": "#346185",
"checkbox_frame": "#656A6E",
"checkbox_hover": "#3D739C",
"checkbox_glyph": "checkbox_dark.png",
},
}

def apply_palette(scheme=Qt.ColorScheme.Dark):
palette = app.palette()
colors = color_schemes[scheme]
palette.setColor(QPalette.ColorRole.Base, QColor(colors["base"]))
palette.setColor(QPalette.ColorGroup.Disabled, QPalette.ColorRole.Base, QColor(colors["disabled"]))
palette.setColor(QPalette.ColorRole.Window, QColor(colors["window"]))
palette.setColor(QPalette.ColorRole.WindowText, QColor(colors["window_text"]))

style_sheet = """
QLineEdit, QSpinBox, QDoubleSpinBox, QTextEdit, QPlainTextEdit {{
padding: 2px 2px;
}}
QCheckBox::indicator {{
width: 18px;
height: 18px;
}}
QProgressBar {{
background-color: {progress_bar};
}}
QToolButton {{
padding-top: 0px;
padding-bottom: 0px;
padding-right: 40px;
}}
QToolButton::menu-indicator {{
subcontrol-origin: padding;
subcontrol-position: right center;
width: 12px;
height: 12px;
right: 10px;
}}
QFrame#section_frame {{
background-color: {window_section};
border-radius: 4px;
}}
"""
if scheme == Qt.ColorScheme.Dark:
palette.setColor(QPalette.ColorRole.Text, QColor(colors["text"]))
palette.setColor(QPalette.ColorRole.Highlight, QColor(colors["button_hover"]))
style_sheet += """
QLineEdit, QSpinBox, QDoubleSpinBox, QTextEdit, QPlainTextEdit {{
border: 1px solid {checkbox_frame};
border-radius: 2px;
}}
QLineEdit:focus, QSpinBox:focus, QDoubleSpinBox:focus, QTextEdit:focus, QPlainTextEdit:focus {{
border-color: palette(Highlight);
}}
QLineEdit:disabled, QSpinBox:disabled, QDoubleSpinBox:disabled, QTextEdit:disabled, QPlainTextEdit:disabled {{
background-color: transparent;
color: {disabled_text};
}}
QToolButton, QPushButton, QComboBox {{
background: {button};
}}
QToolButton:focus, QPushButton:focus, QComboBox:focus {{
background: {button_hover};
}}
QToolButton:hover, QPushButton:hover, QComboBox:hover {{
background: {button_hover};
}}
QToolButton:disabled, QPushButton:disabled, QComboBox:disabled {{
background: {button_disabled};
color: #606060;
}}
QComboBox QAbstractItemView {{
background-color: palette(Base);
}}
QCheckBox::indicator {{
width: 16px;
height: 16px;
background-color: palette(Base);
border: 1px solid {checkbox_frame};
border-radius: 4px;
}}
QCheckBox::indicator:hover {{
border-color: {checkbox_hover};
}}
QCheckBox::indicator:checked {{
image: url(resources/icons/{checkbox_glyph});
background-color: {checkbox};
border: 1px solid {checkbox};
}}
QCheckBox::indicator:checked:hover {{
background-color: {checkbox_hover};
border: 1px solid {checkbox_hover};
}}
QCheckBox::indicator:disabled {{
background-color: {disabled};
border-color: {button_disabled};
}}
QCheckBox::indicator:checked:disabled {{
background-color: {disabled};
border-color: {button_disabled};
}}
"""

app.setPalette(palette)
app.setStyleSheet(style_sheet.format(**colors))

# Apply current color scheme
current_scheme = app.styleHints().colorScheme()
apply_palette(current_scheme)

# Signal for live updates
def on_color_scheme_changed(new_scheme):
apply_palette(new_scheme)

app.styleHints().colorSchemeChanged.connect(on_color_scheme_changed)

return app
2 changes: 1 addition & 1 deletion modules/util/ui/pyside6_validation.py
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Expand Up @@ -40,7 +40,7 @@ def __init__(
self._debounce.timeout.connect(self._on_debounce_fire)

def _apply_error(self) -> None:
self.component.setStyleSheet(f"border: 1px solid {ERROR_BORDER_COLOR};")
self.component.setStyleSheet(f"border-color: {ERROR_BORDER_COLOR}")

def _clear_error(self) -> None:
self.component.setStyleSheet(self._original_style)
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