StyleNeRF / gui_utils /imgui_utils.py
Jiatao Gu
add code from the original repo
94ada0b
# Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#
# NVIDIA CORPORATION and its licensors retain all intellectual property
# and proprietary rights in and to this software, related documentation
# and any modifications thereto. Any use, reproduction, disclosure or
# distribution of this software and related documentation without an express
# license agreement from NVIDIA CORPORATION is strictly prohibited.
import contextlib
import imgui
#----------------------------------------------------------------------------
def set_default_style(color_scheme='dark', spacing=9, indent=23, scrollbar=27):
s = imgui.get_style()
s.window_padding = [spacing, spacing]
s.item_spacing = [spacing, spacing]
s.item_inner_spacing = [spacing, spacing]
s.columns_min_spacing = spacing
s.indent_spacing = indent
s.scrollbar_size = scrollbar
s.frame_padding = [4, 3]
s.window_border_size = 1
s.child_border_size = 1
s.popup_border_size = 1
s.frame_border_size = 1
s.window_rounding = 0
s.child_rounding = 0
s.popup_rounding = 3
s.frame_rounding = 3
s.scrollbar_rounding = 3
s.grab_rounding = 3
getattr(imgui, f'style_colors_{color_scheme}')(s)
c0 = s.colors[imgui.COLOR_MENUBAR_BACKGROUND]
c1 = s.colors[imgui.COLOR_FRAME_BACKGROUND]
s.colors[imgui.COLOR_POPUP_BACKGROUND] = [x * 0.7 + y * 0.3 for x, y in zip(c0, c1)][:3] + [1]
#----------------------------------------------------------------------------
@contextlib.contextmanager
def grayed_out(cond=True):
if cond:
s = imgui.get_style()
text = s.colors[imgui.COLOR_TEXT_DISABLED]
grab = s.colors[imgui.COLOR_SCROLLBAR_GRAB]
back = s.colors[imgui.COLOR_MENUBAR_BACKGROUND]
imgui.push_style_color(imgui.COLOR_TEXT, *text)
imgui.push_style_color(imgui.COLOR_CHECK_MARK, *grab)
imgui.push_style_color(imgui.COLOR_SLIDER_GRAB, *grab)
imgui.push_style_color(imgui.COLOR_SLIDER_GRAB_ACTIVE, *grab)
imgui.push_style_color(imgui.COLOR_FRAME_BACKGROUND, *back)
imgui.push_style_color(imgui.COLOR_FRAME_BACKGROUND_HOVERED, *back)
imgui.push_style_color(imgui.COLOR_FRAME_BACKGROUND_ACTIVE, *back)
imgui.push_style_color(imgui.COLOR_BUTTON, *back)
imgui.push_style_color(imgui.COLOR_BUTTON_HOVERED, *back)
imgui.push_style_color(imgui.COLOR_BUTTON_ACTIVE, *back)
imgui.push_style_color(imgui.COLOR_HEADER, *back)
imgui.push_style_color(imgui.COLOR_HEADER_HOVERED, *back)
imgui.push_style_color(imgui.COLOR_HEADER_ACTIVE, *back)
imgui.push_style_color(imgui.COLOR_POPUP_BACKGROUND, *back)
yield
imgui.pop_style_color(14)
else:
yield
#----------------------------------------------------------------------------
@contextlib.contextmanager
def item_width(width=None):
if width is not None:
imgui.push_item_width(width)
yield
imgui.pop_item_width()
else:
yield
#----------------------------------------------------------------------------
def scoped_by_object_id(method):
def decorator(self, *args, **kwargs):
imgui.push_id(str(id(self)))
res = method(self, *args, **kwargs)
imgui.pop_id()
return res
return decorator
#----------------------------------------------------------------------------
def button(label, width=0, enabled=True):
with grayed_out(not enabled):
clicked = imgui.button(label, width=width)
clicked = clicked and enabled
return clicked
#----------------------------------------------------------------------------
def collapsing_header(text, visible=None, flags=0, default=False, enabled=True, show=True):
expanded = False
if show:
if default:
flags |= imgui.TREE_NODE_DEFAULT_OPEN
if not enabled:
flags |= imgui.TREE_NODE_LEAF
with grayed_out(not enabled):
expanded, visible = imgui.collapsing_header(text, visible=visible, flags=flags)
expanded = expanded and enabled
return expanded, visible
#----------------------------------------------------------------------------
def popup_button(label, width=0, enabled=True):
if button(label, width, enabled):
imgui.open_popup(label)
opened = imgui.begin_popup(label)
return opened
#----------------------------------------------------------------------------
def input_text(label, value, buffer_length, flags, width=None, help_text=''):
old_value = value
color = list(imgui.get_style().colors[imgui.COLOR_TEXT])
if value == '':
color[-1] *= 0.5
with item_width(width):
imgui.push_style_color(imgui.COLOR_TEXT, *color)
value = value if value != '' else help_text
changed, value = imgui.input_text(label, value, buffer_length, flags)
value = value if value != help_text else ''
imgui.pop_style_color(1)
if not flags & imgui.INPUT_TEXT_ENTER_RETURNS_TRUE:
changed = (value != old_value)
return changed, value
#----------------------------------------------------------------------------
def drag_previous_control(enabled=True):
dragging = False
dx = 0
dy = 0
if imgui.begin_drag_drop_source(imgui.DRAG_DROP_SOURCE_NO_PREVIEW_TOOLTIP):
if enabled:
dragging = True
dx, dy = imgui.get_mouse_drag_delta()
imgui.reset_mouse_drag_delta()
imgui.end_drag_drop_source()
return dragging, dx, dy
#----------------------------------------------------------------------------
def drag_button(label, width=0, enabled=True):
clicked = button(label, width=width, enabled=enabled)
dragging, dx, dy = drag_previous_control(enabled=enabled)
return clicked, dragging, dx, dy
#----------------------------------------------------------------------------
def drag_hidden_window(label, x, y, width, height, enabled=True):
imgui.push_style_color(imgui.COLOR_WINDOW_BACKGROUND, 0, 0, 0, 0)
imgui.push_style_color(imgui.COLOR_BORDER, 0, 0, 0, 0)
imgui.set_next_window_position(x, y)
imgui.set_next_window_size(width, height)
imgui.begin(label, closable=False, flags=(imgui.WINDOW_NO_TITLE_BAR | imgui.WINDOW_NO_RESIZE | imgui.WINDOW_NO_MOVE))
dragging, dx, dy = drag_previous_control(enabled=enabled)
imgui.end()
imgui.pop_style_color(2)
return dragging, dx, dy
#----------------------------------------------------------------------------