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Added style and color defaults

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This commit is contained in:
Jonathan Spira 2024-10-03 15:50:14 -04:00
parent 464d867d42
commit 1de51b6230
2 changed files with 536 additions and 147 deletions
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5
imgui/Cargo.toml
View File

@ -31,4 +31,7 @@ docking = ["imgui-sys/docking"]
tables-api = []
[dev-dependencies]
memoffset = "0.9"
approx = "0.5.1"
memoffset = "0.9"
pretty_assertions = "1.4.1"

678
imgui/src/style.rs
View File

@ -8,7 +8,7 @@ use crate::{sys, HoveredFlags};
/// User interface style/colors
#[repr(C)]
#[derive(Debug, Copy, Clone)]
#[derive(Debug, Copy, Clone, PartialEq)]
pub struct Style {
/// Global alpha applies to everything
pub alpha: f32,
@ -33,7 +33,7 @@ pub struct Style {
pub window_title_align: [f32; 2],
/// Side of the collapsing/docking button in the title bar (left/right).
///
/// Defaults to Direction::Left.
/// Defaults to [`Direction::Left`].
pub window_menu_button_position: Direction,
/// Rounding radius of child window corners.
///
@ -117,6 +117,8 @@ pub struct Style {
pub table_angled_headers_text_align: [f32; 2],
/// Side of the color buttonton pubin color editor widgets (left/right).
///
/// Defaults to [`Direction::Right`].
pub color_button_position: Direction,
/// Alignment of button text when button is larger than text.
///
@ -209,14 +211,7 @@ impl Style {
sys::ImGuiStyle_ScaleAllSizes(self.raw_mut(), scale_factor);
}
}
/// Replaces current colors with classic Dear ImGui style
#[doc(alias = "StyleColors", alias = "StlyeColorsClassic")]
pub fn use_classic_colors(&mut self) -> &mut Self {
unsafe {
sys::igStyleColorsClassic(self.raw_mut());
}
self
}
/// Replaces current colors with a new, recommended style
#[doc(alias = "StyleColors", alias = "StyleColorsDark")]
pub fn use_dark_colors(&mut self) -> &mut Self {
@ -225,8 +220,10 @@ impl Style {
}
self
}
/// Replaces current colors with a light style. Best used with borders and a custom, thicker
/// font
/// Replaces current colors with a light style.
///
/// Best used with borders and a custom, thicker font
#[doc(alias = "StyleColors", alias = "StyleColorsLight")]
pub fn use_light_colors(&mut self) -> &mut Self {
unsafe {
@ -234,6 +231,81 @@ impl Style {
}
self
}
/// Replaces current colors with classic Dear ImGui style
#[doc(alias = "StyleColors", alias = "StlyeColorsClassic")]
pub fn use_classic_colors(&mut self) -> &mut Self {
unsafe {
sys::igStyleColorsClassic(self.raw_mut());
}
self
}
}
impl Default for Style {
fn default() -> Self {
Self {
alpha: 1.0,
disabled_alpha: 0.6,
window_padding: [8.0, 8.0],
window_rounding: 0.0,
window_border_size: 1.0,
window_min_size: [32.0, 32.0],
window_title_align: [0.0, 0.5],
window_menu_button_position: Direction::Left,
child_rounding: 0.0,
child_border_size: 1.0,
popup_rounding: 0.0,
popup_border_size: 1.0,
frame_padding: [4.0, 3.0],
frame_rounding: 0.0,
frame_border_size: 0.0,
item_spacing: [8.0, 4.0],
item_inner_spacing: [4.0, 4.0],
cell_padding: [4.0, 2.0],
touch_extra_padding: [0.0, 0.0],
indent_spacing: 21.0,
columns_min_spacing: 6.0,
scrollbar_size: 14.0,
scrollbar_rounding: 9.0,
grab_min_size: 12.0,
grab_rounding: 0.0,
log_slider_deadzone: 4.0,
tab_rounding: 4.0,
tab_border_size: 0.0,
tab_min_width_for_close_button: 0.0,
tab_bar_border_size: 1.0,
tab_bar_overline_size: 2.0,
table_angled_headers_angle: 35.0 * (std::f32::consts::PI / 180.0),
table_angled_headers_text_align: [0.5, 0.0],
color_button_position: Direction::Right,
button_text_align: [0.5, 0.5],
selectable_text_align: [0.0, 0.0],
separator_text_border_size: 3.0,
separator_text_align: [0.0, 0.5],
separator_text_padding: [20.0, 3.0],
display_window_padding: [19.0, 19.0],
display_safe_area_padding: [3.0, 3.0],
#[cfg(feature = "docking")]
docking_separator_size: 2.0,
mouse_cursor_scale: 1.0,
anti_aliased_lines: true,
anti_aliased_lines_use_tex: true,
anti_aliased_fill: true,
curve_tessellation_tol: 1.25,
circle_tesselation_max_error: 0.3,
hover_stationary_delay: 0.15,
hover_delay_short: 0.15,
hover_delay_normal: 0.4,
hover_flags_for_tooltip_mouse: HoveredFlags::STATIONARY
| HoveredFlags::DELAY_SHORT
| HoveredFlags::ALLOW_WHEN_DISABLED,
hover_flags_for_tooltip_nav: HoveredFlags::NO_SHARED_DELAY
| HoveredFlags::DELAY_NORMAL
| HoveredFlags::ALLOW_WHEN_DISABLED,
colors: StyleColor::dark_colors(),
}
}
}
impl Index<StyleColor> for Style {
@ -255,7 +327,10 @@ impl IndexMut<StyleColor> for Style {
///
/// Which color does what can sometimes be be unobvious. A good way to find a particular color is to use
/// the [`crate::Ui::show_default_style_editor`] window, set a color to a very bright color, and explore the
/// [`crate::Ui::show_demo_window`] until you spot it
/// [`crate::Ui::show_demo_window`] until you spot it.
///
/// Take special note of [`StyleColor::dark_colors`], [`StyleColor::light_colors`], and [`StyleColor::classic_colors`],
/// which can be used to get the color palettes ImGui uses.
#[repr(u32)]
#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
#[non_exhaustive]
@ -520,6 +595,253 @@ impl StyleColor {
StyleColor::TextLink => "TextLink",
}
}
/// Returns the "Dark" style colors for ImGui as an array.
///
/// You can set this output to [`Style::colors`] to change the style palette.
pub fn dark_colors() -> [[f32; 4]; StyleColor::COUNT] {
let mut colors = [Default::default(); StyleColor::COUNT];
colors[Self::Text as usize] = [1.00, 1.00, 1.00, 1.00];
colors[Self::TextDisabled as usize] = [0.50, 0.50, 0.50, 1.00];
colors[Self::WindowBg as usize] = [0.06, 0.06, 0.06, 0.94];
colors[Self::ChildBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::PopupBg as usize] = [0.08, 0.08, 0.08, 0.94];
colors[Self::Border as usize] = [0.43, 0.43, 0.50, 0.50];
colors[Self::BorderShadow as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::FrameBg as usize] = [0.16, 0.29, 0.48, 0.54];
colors[Self::FrameBgHovered as usize] = [0.26, 0.59, 0.98, 0.40];
colors[Self::FrameBgActive as usize] = [0.26, 0.59, 0.98, 0.67];
colors[Self::TitleBg as usize] = [0.04, 0.04, 0.04, 1.00];
colors[Self::TitleBgActive as usize] = [0.16, 0.29, 0.48, 1.00];
colors[Self::TitleBgCollapsed as usize] = [0.00, 0.00, 0.00, 0.51];
colors[Self::MenuBarBg as usize] = [0.14, 0.14, 0.14, 1.00];
colors[Self::ScrollbarBg as usize] = [0.02, 0.02, 0.02, 0.53];
colors[Self::ScrollbarGrab as usize] = [0.31, 0.31, 0.31, 1.00];
colors[Self::ScrollbarGrabHovered as usize] = [0.41, 0.41, 0.41, 1.00];
colors[Self::ScrollbarGrabActive as usize] = [0.51, 0.51, 0.51, 1.00];
colors[Self::CheckMark as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::SliderGrab as usize] = [0.24, 0.52, 0.88, 1.00];
colors[Self::SliderGrabActive as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::Button as usize] = [0.26, 0.59, 0.98, 0.40];
colors[Self::ButtonHovered as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::ButtonActive as usize] = [0.06, 0.53, 0.98, 1.00];
colors[Self::Header as usize] = [0.26, 0.59, 0.98, 0.31];
colors[Self::HeaderHovered as usize] = [0.26, 0.59, 0.98, 0.80];
colors[Self::HeaderActive as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::Separator as usize] = colors[Self::Border as usize];
colors[Self::SeparatorHovered as usize] = [0.10, 0.40, 0.75, 0.78];
colors[Self::SeparatorActive as usize] = [0.10, 0.40, 0.75, 1.00];
colors[Self::ResizeGrip as usize] = [0.26, 0.59, 0.98, 0.20];
colors[Self::ResizeGripHovered as usize] = [0.26, 0.59, 0.98, 0.67];
colors[Self::ResizeGripActive as usize] = [0.26, 0.59, 0.98, 0.95];
colors[Self::TabHovered as usize] = colors[Self::HeaderHovered as usize];
colors[Self::Tab as usize] = lerp(
colors[Self::Header as usize],
colors[Self::TitleBgActive as usize],
0.80,
);
colors[Self::TabSelected as usize] = lerp(
colors[Self::HeaderActive as usize],
colors[Self::TitleBgActive as usize],
0.60,
);
colors[Self::TabSelectedOverline as usize] = colors[Self::HeaderActive as usize];
colors[Self::TabDimmed as usize] = lerp(
colors[Self::Tab as usize],
colors[Self::TitleBg as usize],
0.80,
);
colors[Self::TabDimmedSelected as usize] = lerp(
colors[Self::TabSelected as usize],
colors[Self::TitleBg as usize],
0.40,
);
colors[Self::TabDimmedSelectedOverline as usize] = [0.50, 0.50, 0.50, 1.00];
colors[Self::PlotLines as usize] = [0.61, 0.61, 0.61, 1.00];
colors[Self::PlotLinesHovered as usize] = [1.00, 0.43, 0.35, 1.00];
colors[Self::PlotHistogram as usize] = [0.90, 0.70, 0.00, 1.00];
colors[Self::PlotHistogramHovered as usize] = [1.00, 0.60, 0.00, 1.00];
colors[Self::TableHeaderBg as usize] = [0.19, 0.19, 0.20, 1.00];
colors[Self::TableBorderStrong as usize] = [0.31, 0.31, 0.35, 1.00];
colors[Self::TableBorderLight as usize] = [0.23, 0.23, 0.25, 1.00];
colors[Self::TableRowBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::TableRowBgAlt as usize] = [1.00, 1.00, 1.00, 0.06];
colors[Self::TextLink as usize] = colors[Self::HeaderActive as usize];
colors[Self::TextSelectedBg as usize] = [0.26, 0.59, 0.98, 0.35];
colors[Self::DragDropTarget as usize] = [1.00, 1.00, 0.00, 0.90];
colors[Self::NavHighlight as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::NavWindowingHighlight as usize] = [1.00, 1.00, 1.00, 0.70];
colors[Self::NavWindowingDimBg as usize] = [0.80, 0.80, 0.80, 0.20];
colors[Self::ModalWindowDimBg as usize] = [0.80, 0.80, 0.80, 0.35];
colors
}
/// Returns the "Light" style colors for ImGui as an array.
///
/// You can set this output to [`Style::colors`] to change the style palette.
pub fn light_colors() -> [[f32; 4]; StyleColor::COUNT] {
let mut colors = [Default::default(); StyleColor::COUNT];
colors[Self::Text as usize] = [0.00, 0.00, 0.00, 1.00];
colors[Self::TextDisabled as usize] = [0.60, 0.60, 0.60, 1.00];
colors[Self::WindowBg as usize] = [0.94, 0.94, 0.94, 1.00];
colors[Self::ChildBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::PopupBg as usize] = [1.00, 1.00, 1.00, 0.98];
colors[Self::Border as usize] = [0.00, 0.00, 0.00, 0.30];
colors[Self::BorderShadow as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::FrameBg as usize] = [1.00, 1.00, 1.00, 1.00];
colors[Self::FrameBgHovered as usize] = [0.26, 0.59, 0.98, 0.40];
colors[Self::FrameBgActive as usize] = [0.26, 0.59, 0.98, 0.67];
colors[Self::TitleBg as usize] = [0.96, 0.96, 0.96, 1.00];
colors[Self::TitleBgActive as usize] = [0.82, 0.82, 0.82, 1.00];
colors[Self::TitleBgCollapsed as usize] = [1.00, 1.00, 1.00, 0.51];
colors[Self::MenuBarBg as usize] = [0.86, 0.86, 0.86, 1.00];
colors[Self::ScrollbarBg as usize] = [0.98, 0.98, 0.98, 0.53];
colors[Self::ScrollbarGrab as usize] = [0.69, 0.69, 0.69, 0.80];
colors[Self::ScrollbarGrabHovered as usize] = [0.49, 0.49, 0.49, 0.80];
colors[Self::ScrollbarGrabActive as usize] = [0.49, 0.49, 0.49, 1.00];
colors[Self::CheckMark as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::SliderGrab as usize] = [0.26, 0.59, 0.98, 0.78];
colors[Self::SliderGrabActive as usize] = [0.46, 0.54, 0.80, 0.60];
colors[Self::Button as usize] = [0.26, 0.59, 0.98, 0.40];
colors[Self::ButtonHovered as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::ButtonActive as usize] = [0.06, 0.53, 0.98, 1.00];
colors[Self::Header as usize] = [0.26, 0.59, 0.98, 0.31];
colors[Self::HeaderHovered as usize] = [0.26, 0.59, 0.98, 0.80];
colors[Self::HeaderActive as usize] = [0.26, 0.59, 0.98, 1.00];
colors[Self::Separator as usize] = [0.39, 0.39, 0.39, 0.62];
colors[Self::SeparatorHovered as usize] = [0.14, 0.44, 0.80, 0.78];
colors[Self::SeparatorActive as usize] = [0.14, 0.44, 0.80, 1.00];
colors[Self::ResizeGrip as usize] = [0.35, 0.35, 0.35, 0.17];
colors[Self::ResizeGripHovered as usize] = [0.26, 0.59, 0.98, 0.67];
colors[Self::ResizeGripActive as usize] = [0.26, 0.59, 0.98, 0.95];
colors[Self::TabHovered as usize] = colors[Self::HeaderHovered as usize];
colors[Self::Tab as usize] = lerp(
colors[Self::Header as usize],
colors[Self::TitleBgActive as usize],
0.90,
);
colors[Self::TabSelected as usize] = lerp(
colors[Self::HeaderActive as usize],
colors[Self::TitleBgActive as usize],
0.60,
);
colors[Self::TabSelectedOverline as usize] = colors[Self::HeaderActive as usize];
colors[Self::TabDimmed as usize] = lerp(
colors[Self::Tab as usize],
colors[Self::TitleBg as usize],
0.80,
);
colors[Self::TabDimmedSelected as usize] = lerp(
colors[Self::TabSelected as usize],
colors[Self::TitleBg as usize],
0.40,
);
colors[Self::TabDimmedSelectedOverline as usize] = [0.26, 0.59, 1.00, 1.00];
colors[Self::PlotLines as usize] = [0.39, 0.39, 0.39, 1.00];
colors[Self::PlotLinesHovered as usize] = [1.00, 0.43, 0.35, 1.00];
colors[Self::PlotHistogram as usize] = [0.90, 0.70, 0.00, 1.00];
colors[Self::PlotHistogramHovered as usize] = [1.00, 0.45, 0.00, 1.00];
colors[Self::TableHeaderBg as usize] = [0.78, 0.87, 0.98, 1.00];
colors[Self::TableBorderStrong as usize] = [0.57, 0.57, 0.64, 1.00];
colors[Self::TableBorderLight as usize] = [0.68, 0.68, 0.74, 1.00];
colors[Self::TableRowBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::TableRowBgAlt as usize] = [0.30, 0.30, 0.30, 0.09];
colors[Self::TextLink as usize] = colors[Self::HeaderActive as usize];
colors[Self::TextSelectedBg as usize] = [0.26, 0.59, 0.98, 0.35];
colors[Self::DragDropTarget as usize] = [0.26, 0.59, 0.98, 0.95];
colors[Self::NavHighlight as usize] = colors[Self::HeaderHovered as usize];
colors[Self::NavWindowingHighlight as usize] = [0.70, 0.70, 0.70, 0.70];
colors[Self::NavWindowingDimBg as usize] = [0.20, 0.20, 0.20, 0.20];
colors[Self::ModalWindowDimBg as usize] = [0.20, 0.20, 0.20, 0.35];
colors
}
/// Returns the "Classic" style colors for ImGui as an array. ImGui now uses
/// the "Dark" style colors, which can be made from [`StyleColor::dark_colors`].
///
/// You can set this output to [`Style::colors`] to change the style palette.
pub fn classic_colors() -> [[f32; 4]; StyleColor::COUNT] {
let mut colors = [Default::default(); StyleColor::COUNT];
colors[Self::Text as usize] = [0.90, 0.90, 0.90, 1.00];
colors[Self::TextDisabled as usize] = [0.60, 0.60, 0.60, 1.00];
colors[Self::WindowBg as usize] = [0.00, 0.00, 0.00, 0.85];
colors[Self::ChildBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::PopupBg as usize] = [0.11, 0.11, 0.14, 0.92];
colors[Self::Border as usize] = [0.50, 0.50, 0.50, 0.50];
colors[Self::BorderShadow as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::FrameBg as usize] = [0.43, 0.43, 0.43, 0.39];
colors[Self::FrameBgHovered as usize] = [0.47, 0.47, 0.69, 0.40];
colors[Self::FrameBgActive as usize] = [0.42, 0.41, 0.64, 0.69];
colors[Self::TitleBg as usize] = [0.27, 0.27, 0.54, 0.83];
colors[Self::TitleBgActive as usize] = [0.32, 0.32, 0.63, 0.87];
colors[Self::TitleBgCollapsed as usize] = [0.40, 0.40, 0.80, 0.20];
colors[Self::MenuBarBg as usize] = [0.40, 0.40, 0.55, 0.80];
colors[Self::ScrollbarBg as usize] = [0.20, 0.25, 0.30, 0.60];
colors[Self::ScrollbarGrab as usize] = [0.40, 0.40, 0.80, 0.30];
colors[Self::ScrollbarGrabHovered as usize] = [0.40, 0.40, 0.80, 0.40];
colors[Self::ScrollbarGrabActive as usize] = [0.41, 0.39, 0.80, 0.60];
colors[Self::CheckMark as usize] = [0.90, 0.90, 0.90, 0.50];
colors[Self::SliderGrab as usize] = [1.00, 1.00, 1.00, 0.30];
colors[Self::SliderGrabActive as usize] = [0.41, 0.39, 0.80, 0.60];
colors[Self::Button as usize] = [0.35, 0.40, 0.61, 0.62];
colors[Self::ButtonHovered as usize] = [0.40, 0.48, 0.71, 0.79];
colors[Self::ButtonActive as usize] = [0.46, 0.54, 0.80, 1.00];
colors[Self::Header as usize] = [0.40, 0.40, 0.90, 0.45];
colors[Self::HeaderHovered as usize] = [0.45, 0.45, 0.90, 0.80];
colors[Self::HeaderActive as usize] = [0.53, 0.53, 0.87, 0.80];
colors[Self::Separator as usize] = [0.50, 0.50, 0.50, 0.60];
colors[Self::SeparatorHovered as usize] = [0.60, 0.60, 0.70, 1.00];
colors[Self::SeparatorActive as usize] = [0.70, 0.70, 0.90, 1.00];
colors[Self::ResizeGrip as usize] = [1.00, 1.00, 1.00, 0.10];
colors[Self::ResizeGripHovered as usize] = [0.78, 0.82, 1.00, 0.60];
colors[Self::ResizeGripActive as usize] = [0.78, 0.82, 1.00, 0.90];
colors[Self::TabHovered as usize] = colors[Self::HeaderHovered as usize];
colors[Self::Tab as usize] = lerp(
colors[Self::Header as usize],
colors[Self::TitleBgActive as usize],
0.80,
);
colors[Self::TabSelected as usize] = lerp(
colors[Self::HeaderActive as usize],
colors[Self::TitleBgActive as usize],
0.60,
);
colors[Self::TabSelectedOverline as usize] = colors[Self::HeaderActive as usize];
colors[Self::TabDimmed as usize] = lerp(
colors[Self::Tab as usize],
colors[Self::TitleBg as usize],
0.80,
);
colors[Self::TabDimmedSelected as usize] = lerp(
colors[Self::TabSelected as usize],
colors[Self::TitleBg as usize],
0.40,
);
colors[Self::TabDimmedSelectedOverline as usize] = colors[Self::HeaderActive as usize];
colors[Self::PlotLines as usize] = [1.00, 1.00, 1.00, 1.00];
colors[Self::PlotLinesHovered as usize] = [0.90, 0.70, 0.00, 1.00];
colors[Self::PlotHistogram as usize] = [0.90, 0.70, 0.00, 1.00];
colors[Self::PlotHistogramHovered as usize] = [1.00, 0.60, 0.00, 1.00];
colors[Self::TableHeaderBg as usize] = [0.27, 0.27, 0.38, 1.00];
colors[Self::TableBorderStrong as usize] = [0.31, 0.31, 0.45, 1.00];
colors[Self::TableBorderLight as usize] = [0.26, 0.26, 0.28, 1.00];
colors[Self::TableRowBg as usize] = [0.00, 0.00, 0.00, 0.00];
colors[Self::TableRowBgAlt as usize] = [1.00, 1.00, 1.00, 0.07];
colors[Self::TextLink as usize] = colors[Self::HeaderActive as usize];
colors[Self::TextSelectedBg as usize] = [0.00, 0.00, 1.00, 0.35];
colors[Self::DragDropTarget as usize] = [1.00, 1.00, 0.00, 0.90];
colors[Self::NavHighlight as usize] = colors[Self::HeaderHovered as usize];
colors[Self::NavWindowingHighlight as usize] = [1.00, 1.00, 1.00, 0.70];
colors[Self::NavWindowingDimBg as usize] = [0.80, 0.80, 0.80, 0.20];
colors[Self::ModalWindowDimBg as usize] = [0.20, 0.20, 0.20, 0.35];
colors
}
}
impl fmt::Display for StyleColor {
@ -612,144 +934,208 @@ pub enum StyleVar {
CellPadding([f32; 2]),
}
#[test]
fn test_style_scaling() {
let (_guard, mut ctx) = crate::test::test_ctx();
let style = ctx.style_mut();
style.window_padding = [1.0, 2.0];
style.window_rounding = 3.0;
style.window_min_size = [4.0, 5.0];
style.child_rounding = 6.0;
style.popup_rounding = 7.0;
style.frame_padding = [8.0, 9.0];
style.frame_rounding = 10.0;
style.item_spacing = [11.0, 12.0];
style.item_inner_spacing = [13.0, 14.0];
style.touch_extra_padding = [15.0, 16.0];
style.indent_spacing = 17.0;
style.columns_min_spacing = 18.0;
style.scrollbar_size = 19.0;
style.scrollbar_rounding = 20.0;
style.grab_min_size = 21.0;
style.grab_rounding = 22.0;
style.log_slider_deadzone = 29.0;
style.tab_rounding = 23.0;
style.display_window_padding = [24.0, 25.0];
style.display_safe_area_padding = [26.0, 27.0];
style.mouse_cursor_scale = 28.0;
style.cell_padding = [29.0, 30.0];
style.scale_all_sizes(2.0);
assert_eq!(style.window_padding, [2.0, 4.0]);
assert_eq!(style.window_rounding, 6.0);
assert_eq!(style.window_min_size, [8.0, 10.0]);
assert_eq!(style.child_rounding, 12.0);
assert_eq!(style.popup_rounding, 14.0);
assert_eq!(style.frame_padding, [16.0, 18.0]);
assert_eq!(style.frame_rounding, 20.0);
assert_eq!(style.item_spacing, [22.0, 24.0]);
assert_eq!(style.item_inner_spacing, [26.0, 28.0]);
assert_eq!(style.touch_extra_padding, [30.0, 32.0]);
assert_eq!(style.indent_spacing, 34.0);
assert_eq!(style.columns_min_spacing, 36.0);
assert_eq!(style.scrollbar_size, 38.0);
assert_eq!(style.scrollbar_rounding, 40.0);
assert_eq!(style.grab_min_size, 42.0);
assert_eq!(style.grab_rounding, 44.0);
assert_eq!(style.log_slider_deadzone, 58.0);
assert_eq!(style.tab_rounding, 46.0);
assert_eq!(style.display_window_padding, [48.0, 50.0]);
assert_eq!(style.display_safe_area_padding, [52.0, 54.0]);
assert_eq!(style.mouse_cursor_scale, 56.0);
assert_eq!(style.cell_padding, [58.0, 60.0]);
// lerps a color with the given value
fn lerp(a: [f32; 4], b: [f32; 4], t: f32) -> [f32; 4] {
std::array::from_fn(|i| a[i] + (b[i] - a[i]) * t)
}
#[test]
fn test_style_color_indexing() {
let (_guard, mut ctx) = crate::test::test_ctx();
let style = ctx.style_mut();
let value = [0.1, 0.2, 0.3, 1.0];
style[StyleColor::Tab] = value;
assert_eq!(style[StyleColor::Tab], value);
assert_eq!(style.colors[StyleColor::Tab as usize], value);
}
#[test]
#[cfg(test)]
fn test_style_memory_layout() {
use std::mem;
assert_eq!(mem::size_of::<Style>(), mem::size_of::<sys::ImGuiStyle>());
assert_eq!(mem::align_of::<Style>(), mem::align_of::<sys::ImGuiStyle>());
use sys::ImGuiStyle;
macro_rules! assert_field_offset {
($l:ident, $r:ident) => {
assert_eq!(
memoffset::offset_of!(Style, $l),
memoffset::offset_of!(ImGuiStyle, $r)
);
mod tests {
use super::*;
#[test]
fn test_style_scaling() {
let (_guard, ctx) = crate::test::test_ctx();
let mut style = *ctx.style();
style.window_padding = [1.0, 2.0];
style.window_rounding = 3.0;
style.window_min_size = [4.0, 5.0];
style.child_rounding = 6.0;
style.popup_rounding = 7.0;
style.frame_padding = [8.0, 9.0];
style.frame_rounding = 10.0;
style.item_spacing = [11.0, 12.0];
style.item_inner_spacing = [13.0, 14.0];
style.touch_extra_padding = [15.0, 16.0];
style.indent_spacing = 17.0;
style.columns_min_spacing = 18.0;
style.scrollbar_size = 19.0;
style.scrollbar_rounding = 20.0;
style.grab_min_size = 21.0;
style.grab_rounding = 22.0;
style.log_slider_deadzone = 29.0;
style.tab_rounding = 23.0;
style.display_window_padding = [24.0, 25.0];
style.display_safe_area_padding = [26.0, 27.0];
style.mouse_cursor_scale = 28.0;
style.cell_padding = [29.0, 30.0];
style.scale_all_sizes(2.0);
assert_eq!(style.window_padding, [2.0, 4.0]);
assert_eq!(style.window_rounding, 6.0);
assert_eq!(style.window_min_size, [8.0, 10.0]);
assert_eq!(style.child_rounding, 12.0);
assert_eq!(style.popup_rounding, 14.0);
assert_eq!(style.frame_padding, [16.0, 18.0]);
assert_eq!(style.frame_rounding, 20.0);
assert_eq!(style.item_spacing, [22.0, 24.0]);
assert_eq!(style.item_inner_spacing, [26.0, 28.0]);
assert_eq!(style.touch_extra_padding, [30.0, 32.0]);
assert_eq!(style.indent_spacing, 34.0);
assert_eq!(style.columns_min_spacing, 36.0);
assert_eq!(style.scrollbar_size, 38.0);
assert_eq!(style.scrollbar_rounding, 40.0);
assert_eq!(style.grab_min_size, 42.0);
assert_eq!(style.grab_rounding, 44.0);
assert_eq!(style.log_slider_deadzone, 58.0);
assert_eq!(style.tab_rounding, 46.0);
assert_eq!(style.display_window_padding, [48.0, 50.0]);
assert_eq!(style.display_safe_area_padding, [52.0, 54.0]);
assert_eq!(style.mouse_cursor_scale, 56.0);
assert_eq!(style.cell_padding, [58.0, 60.0]);
}
#[test]
fn test_style_color_indexing() {
let (_guard, ctx) = crate::test::test_ctx();
let mut style = *ctx.style();
let value = [0.1, 0.2, 0.3, 1.0];
style[StyleColor::Tab] = value;
assert_eq!(style[StyleColor::Tab], value);
assert_eq!(style.colors[StyleColor::Tab as usize], value);
}
#[test]
#[cfg(test)]
fn test_style_memory_layout() {
use std::mem;
assert_eq!(mem::size_of::<Style>(), mem::size_of::<sys::ImGuiStyle>());
assert_eq!(mem::align_of::<Style>(), mem::align_of::<sys::ImGuiStyle>());
use sys::ImGuiStyle;
macro_rules! assert_field_offset {
($l:ident, $r:ident) => {
assert_eq!(
memoffset::offset_of!(Style, $l),
memoffset::offset_of!(ImGuiStyle, $r)
);
};
}
assert_field_offset!(alpha, Alpha);
assert_field_offset!(disabled_alpha, DisabledAlpha);
assert_field_offset!(window_padding, WindowPadding);
assert_field_offset!(window_rounding, WindowRounding);
assert_field_offset!(window_border_size, WindowBorderSize);
assert_field_offset!(window_min_size, WindowMinSize);
assert_field_offset!(window_title_align, WindowTitleAlign);
assert_field_offset!(window_menu_button_position, WindowMenuButtonPosition);
assert_field_offset!(child_rounding, ChildRounding);
assert_field_offset!(child_border_size, ChildBorderSize);
assert_field_offset!(popup_rounding, PopupRounding);
assert_field_offset!(popup_border_size, PopupBorderSize);
assert_field_offset!(frame_padding, FramePadding);
assert_field_offset!(frame_rounding, FrameRounding);
assert_field_offset!(frame_border_size, FrameBorderSize);
assert_field_offset!(item_spacing, ItemSpacing);
assert_field_offset!(item_inner_spacing, ItemInnerSpacing);
assert_field_offset!(cell_padding, CellPadding);
assert_field_offset!(touch_extra_padding, TouchExtraPadding);
assert_field_offset!(indent_spacing, IndentSpacing);
assert_field_offset!(columns_min_spacing, ColumnsMinSpacing);
assert_field_offset!(scrollbar_size, ScrollbarSize);
assert_field_offset!(scrollbar_rounding, ScrollbarRounding);
assert_field_offset!(grab_min_size, GrabMinSize);
assert_field_offset!(grab_rounding, GrabRounding);
assert_field_offset!(log_slider_deadzone, LogSliderDeadzone);
assert_field_offset!(tab_rounding, TabRounding);
assert_field_offset!(tab_border_size, TabBorderSize);
assert_field_offset!(tab_min_width_for_close_button, TabMinWidthForCloseButton);
assert_field_offset!(color_button_position, ColorButtonPosition);
assert_field_offset!(button_text_align, ButtonTextAlign);
assert_field_offset!(selectable_text_align, SelectableTextAlign);
assert_field_offset!(display_window_padding, DisplayWindowPadding);
assert_field_offset!(display_safe_area_padding, DisplaySafeAreaPadding);
assert_field_offset!(mouse_cursor_scale, MouseCursorScale);
assert_field_offset!(anti_aliased_lines, AntiAliasedLines);
assert_field_offset!(anti_aliased_lines_use_tex, AntiAliasedLinesUseTex);
assert_field_offset!(anti_aliased_fill, AntiAliasedFill);
assert_field_offset!(curve_tessellation_tol, CurveTessellationTol);
assert_field_offset!(circle_tesselation_max_error, CircleTessellationMaxError);
assert_field_offset!(colors, Colors);
#[cfg(feature = "docking")]
assert_field_offset!(docking_separator_size, DockingSeparatorSize);
}
#[test]
fn test_style_color_variants() {
for (idx, &value) in StyleColor::VARIANTS.iter().enumerate() {
assert_eq!(idx, value as usize);
}
}
#[test]
fn test_style_color_variant_names() {
for idx in StyleColor::VARIANTS.iter() {
let our_name = idx.name();
let their_name = unsafe {
let ptr = sys::igGetStyleColorName(*idx as i32);
std::ffi::CStr::from_ptr(ptr as *const _).to_str().unwrap()
};
assert_eq!(our_name, their_name);
}
}
#[test]
fn test_rust_copies_of_imgui_style_colors() {
use pretty_assertions::assert_eq;
let (_guard, mut ctx) = crate::test::test_ctx();
let style = ctx.style_mut();
style.use_dark_colors();
// we set the colors here automatically because we're going to do
// color comparisons later with `approx` and we don't have to error
// out on those here
let default_style = Style {
colors: style.colors,
..Default::default()
};
}
assert_field_offset!(alpha, Alpha);
assert_field_offset!(disabled_alpha, DisabledAlpha);
assert_field_offset!(window_padding, WindowPadding);
assert_field_offset!(window_rounding, WindowRounding);
assert_field_offset!(window_border_size, WindowBorderSize);
assert_field_offset!(window_min_size, WindowMinSize);
assert_field_offset!(window_title_align, WindowTitleAlign);
assert_field_offset!(window_menu_button_position, WindowMenuButtonPosition);
assert_field_offset!(child_rounding, ChildRounding);
assert_field_offset!(child_border_size, ChildBorderSize);
assert_field_offset!(popup_rounding, PopupRounding);
assert_field_offset!(popup_border_size, PopupBorderSize);
assert_field_offset!(frame_padding, FramePadding);
assert_field_offset!(frame_rounding, FrameRounding);
assert_field_offset!(frame_border_size, FrameBorderSize);
assert_field_offset!(item_spacing, ItemSpacing);
assert_field_offset!(item_inner_spacing, ItemInnerSpacing);
assert_field_offset!(cell_padding, CellPadding);
assert_field_offset!(touch_extra_padding, TouchExtraPadding);
assert_field_offset!(indent_spacing, IndentSpacing);
assert_field_offset!(columns_min_spacing, ColumnsMinSpacing);
assert_field_offset!(scrollbar_size, ScrollbarSize);
assert_field_offset!(scrollbar_rounding, ScrollbarRounding);
assert_field_offset!(grab_min_size, GrabMinSize);
assert_field_offset!(grab_rounding, GrabRounding);
assert_field_offset!(log_slider_deadzone, LogSliderDeadzone);
assert_field_offset!(tab_rounding, TabRounding);
assert_field_offset!(tab_border_size, TabBorderSize);
assert_field_offset!(tab_min_width_for_close_button, TabMinWidthForCloseButton);
assert_field_offset!(color_button_position, ColorButtonPosition);
assert_field_offset!(button_text_align, ButtonTextAlign);
assert_field_offset!(selectable_text_align, SelectableTextAlign);
assert_field_offset!(display_window_padding, DisplayWindowPadding);
assert_field_offset!(display_safe_area_padding, DisplaySafeAreaPadding);
assert_field_offset!(mouse_cursor_scale, MouseCursorScale);
assert_field_offset!(anti_aliased_lines, AntiAliasedLines);
assert_field_offset!(anti_aliased_lines_use_tex, AntiAliasedLinesUseTex);
assert_field_offset!(anti_aliased_fill, AntiAliasedFill);
assert_field_offset!(curve_tessellation_tol, CurveTessellationTol);
assert_field_offset!(circle_tesselation_max_error, CircleTessellationMaxError);
assert_field_offset!(colors, Colors);
assert_eq!(*style, default_style);
#[cfg(feature = "docking")]
assert_field_offset!(docking_separator_size, DockingSeparatorSize);
}
style.use_dark_colors();
let dark_colors = StyleColor::dark_colors();
for (i, imgui_color) in style.colors.into_iter().enumerate() {
let our_color = dark_colors[i];
#[test]
fn test_style_color_variants() {
for (idx, &value) in StyleColor::VARIANTS.iter().enumerate() {
assert_eq!(idx, value as usize);
}
}
#[test]
fn test_style_color_variant_names() {
for idx in StyleColor::VARIANTS.iter() {
let our_name = idx.name();
let their_name = unsafe {
let ptr = sys::igGetStyleColorName(*idx as i32);
std::ffi::CStr::from_ptr(ptr as *const _).to_str().unwrap()
};
assert_eq!(our_name, their_name);
println!("Checking {}..", StyleColor::try_from(i).unwrap());
for (imgui_color, our_color) in imgui_color.into_iter().zip(our_color.into_iter()) {
approx::assert_abs_diff_eq!(imgui_color, our_color, epsilon = 0.01);
}
}
style.use_light_colors();
let dark_colors = StyleColor::light_colors();
for (i, imgui_color) in style.colors.into_iter().enumerate() {
let our_color = dark_colors[i];
println!("Checking {}..", StyleColor::try_from(i).unwrap());
for (imgui_color, our_color) in imgui_color.into_iter().zip(our_color.into_iter()) {
approx::assert_abs_diff_eq!(imgui_color, our_color, epsilon = 0.01);
}
}
style.use_classic_colors();
let dark_colors = StyleColor::classic_colors();
for (i, imgui_color) in style.colors.into_iter().enumerate() {
let our_color = dark_colors[i];
println!("Checking {}..", StyleColor::try_from(i).unwrap());
for (imgui_color, our_color) in imgui_color.into_iter().zip(our_color.into_iter()) {
approx::assert_abs_diff_eq!(imgui_color, our_color, epsilon = 0.01);
}
}
}
}