/
lib.rs
2306 lines (2167 loc) · 71.2 KB
/
lib.rs
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#![allow(non_upper_case_globals)]
#[macro_use]
extern crate bitflags;
#[cfg(feature = "gfx")]
#[macro_use]
extern crate gfx;
#[cfg(feature = "glium")]
extern crate glium;
use std::convert::From;
use std::mem;
use std::os::raw::{c_char, c_float, c_int, c_short, c_uchar, c_uint, c_ushort, c_void};
use std::ptr;
use std::slice;
#[cfg(feature = "gfx")]
mod gfx_support;
#[cfg(feature = "glium")]
mod glium_support;
/// ImGui context (opaque)
pub enum ImGuiContext { }
/// 32-bit unsigned integer (typically used to store packed colors)
pub type ImU32 = c_uint;
/// Character for keyboard input/display
pub type ImWchar = c_ushort;
/// User data to identify a texture
pub type ImTextureID = *mut c_void;
/// Unique ID used by widgets (typically hashed from a stack of string)
pub type ImGuiID = ImU32;
/// A color identifier for styling
#[repr(C)]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum ImGuiCol {
Text,
TextDisabled,
WindowBg,
ChildWindowBg,
PopupBg,
Border,
BorderShadow,
FrameBg,
FrameBgHovered,
FrameBgActive,
TitleBg,
TitleBgActive,
TitleBgCollapsed,
MenuBarBg,
ScrollbarBg,
ScrollbarGrab,
ScrollbarGrabHovered,
ScrollbarGrabActive,
ComboBg,
CheckMark,
SliderGrab,
SliderGrabActive,
Button,
ButtonHovered,
ButtonActive,
Header,
HeaderHovered,
HeaderActive,
Separator,
SeparatorHovered,
SeparatorActive,
ResizeGrip,
ResizeGripHovered,
ResizeGripActive,
CloseButton,
CloseButtonHovered,
CloseButtonActive,
PlotLines,
PlotLinesHovered,
PlotHistogram,
PlotHistogramHovered,
TextSelectedBg,
ModalWindowDarkening,
}
impl ImGuiCol {
pub fn values() -> &'static [ImGuiCol] {
use ImGuiCol::*;
static values: &'static [ImGuiCol] = &[
Text,
TextDisabled,
WindowBg,
ChildWindowBg,
PopupBg,
Border,
BorderShadow,
FrameBg,
FrameBgHovered,
FrameBgActive,
TitleBg,
TitleBgActive,
TitleBgCollapsed,
MenuBarBg,
ScrollbarBg,
ScrollbarGrab,
ScrollbarGrabHovered,
ScrollbarGrabActive,
ComboBg,
CheckMark,
SliderGrab,
SliderGrabActive,
Button,
ButtonHovered,
ButtonActive,
Header,
HeaderHovered,
HeaderActive,
Separator,
SeparatorHovered,
SeparatorActive,
ResizeGrip,
ResizeGripHovered,
ResizeGripActive,
CloseButton,
CloseButtonHovered,
CloseButtonActive,
PlotLines,
PlotLinesHovered,
PlotHistogram,
PlotHistogramHovered,
TextSelectedBg,
ModalWindowDarkening,
];
values
}
}
pub const ImGuiCol_COUNT: usize = 43;
/// A variable identifier for styling
#[repr(C)]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum ImGuiStyleVar {
Alpha,
WindowPadding,
WindowRounding,
WindowMinSize,
ChildWindowRounding,
FramePadding,
FrameRounding,
ItemSpacing,
ItemInnerSpacing,
IndentSpacing,
GrabMinSize,
ButtonTextAlign,
}
pub const ImGuiStyleVar_COUNT: usize = 12;
/// A key identifier (ImGui-side enum)
#[repr(C)]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum ImGuiKey {
Tab,
LeftArrow,
RightArrow,
UpArrow,
DownArrow,
PageUp,
PageDown,
Home,
End,
Delete,
Backspace,
Enter,
Escape,
A,
C,
V,
X,
Y,
Z,
}
pub const ImGuiKey_COUNT: usize = 19;
bitflags!(
/// Color edit flags
#[repr(C)]
pub struct ImGuiColorEditFlags: c_int {
const NoAlpha = 1 << 1;
const NoPicker = 1 << 2;
const NoOptions = 1 << 3;
const NoSmallPreview = 1 << 4;
const NoInputs = 1 << 5;
const NoTooltip = 1 << 6;
const NoLabel = 1 << 7;
const NoSidePreview = 1 << 8;
const AlphaBar = 1 << 9;
const AlphaPreview = 1 << 10;
const AlphaPreviewHalf = 1 << 11;
const HDR = 1 << 12;
const RGB = 1 << 13;
const HSV = 1 << 14;
const HEX = 1 << 15;
const Uint8 = 1 << 16;
const Float = 1 << 17;
const PickerHueBar = 1 << 18;
const PickerHueWheel = 1 << 19;
}
);
/// A mouse cursor identifier
#[repr(C)]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum ImGuiMouseCursor {
None = -1,
Arrow,
TextInput,
Move,
ResizeNS,
ResizeEW,
ResizeNESW,
ResizeNWSE,
}
pub const ImGuiMouseCursor_COUNT: usize = 7;
bitflags!(
/// Window flags
#[repr(C)]
pub struct ImGuiWindowFlags: c_int {
const NoTitleBar = 1;
const NoResize = 1 << 1;
const NoMove = 1 << 2;
const NoScrollbar = 1 << 3;
const NoScrollWithMouse = 1 << 4;
const NoCollapse = 1 << 5;
const AlwaysAutoResize = 1 << 6;
const ShowBorders = 1 << 7;
const NoSavedSettings = 1 << 8;
const NoInputs = 1 << 9;
const MenuBar = 1 << 10;
const HorizontalScrollbar = 1 << 11;
const NoFocusOnAppearing = 1 << 12;
const NoBringToFrontOnFocus = 1 << 13;
const AlwaysVerticalScrollbar = 1 << 14;
const AlwaysHorizontalScrollbar = 1 << 15;
const AlwaysUseWindowPadding = 1 << 16;
}
);
bitflags!(
/// Condition flags
#[repr(C)]
pub struct ImGuiCond: c_int {
const Always = 1;
const Once = 1 << 1;
const FirstUseEver = 1 << 2;
const Appearing = 1 << 3;
}
);
bitflags!(
/// Flags for text inputs
#[repr(C)]
pub struct ImGuiInputTextFlags: c_int {
const CharsDecimal = 1;
const CharsHexadecimal = 1 << 1;
const CharsUppercase = 1 << 2;
const CharsNoBlank = 1 << 3;
const AutoSelectAll = 1 << 4;
const EnterReturnsTrue = 1 << 5;
const CallbackCompletion = 1 << 6;
const CallbackHistory = 1 << 7;
const CallbackAlways = 1 << 8;
const CallbackCharFilter = 1 << 9;
const AllowTabInput = 1 << 10;
const CtrlEnterForNewLine = 1 << 11;
const NoHorizontalScroll = 1 << 12;
const AlwaysInsertMode = 1 << 13;
const ReadOnly = 1 << 14;
const Password = 1 << 15;
}
);
bitflags!(
/// Flags for selectables
#[repr(C)]
pub struct ImGuiSelectableFlags: c_int {
const DontClosePopups = 1;
const SpanAllColumns = 1 << 1;
const AllowDoubleClick = 1 << 2;
}
);
bitflags!(
/// Flags for trees and collapsing headers
#[repr(C)]
pub struct ImGuiTreeNodeFlags: c_int {
const Selected = 1;
const Framed = 1 << 1;
#[deprecated(since = "0.0.19", note = "please use AllowItemOverlap instead")]
const AllowOverlapMode = 1 << 2;
const AllowItemOverlap = 1 << 2;
const NoTreePushOnOpen = 1 << 3;
const NoAutoOpenOnLog = 1 << 4;
const DefaultOpen = 1 << 5;
const OpenOnDoubleClick = 1 << 6;
const OpenOnArrow = 1 << 7;
const Leaf = 1 << 8;
const Bullet = 1 << 9;
const FramePadding = 1 << 10;
const CollapsingHeader =
ImGuiTreeNodeFlags::Framed.bits | ImGuiTreeNodeFlags::NoAutoOpenOnLog.bits;
}
);
bitflags!(
/// Flags for window focus check
#[repr(C)]
pub struct ImGuiFocusedFlags: c_int {
const ChildWindows = 1 << 0;
const RootWindow = 1 << 1;
const RootAndChildWindows =
ImGuiFocusedFlags::RootWindow.bits | ImGuiFocusedFlags::ChildWindows.bits;
}
);
bitflags!(
/// Flags for hover checks
#[repr(C)]
pub struct ImGuiHoveredFlags: c_int {
const AllowWhenBlockedByPopup = 1;
const AllowWhenBlockedByActiveItem = 1 << 2;
const AllowWhenOverlapped = 1 << 3;
const RectOnly = ImGuiHoveredFlags::AllowWhenBlockedByPopup.bits
| ImGuiHoveredFlags::AllowWhenBlockedByActiveItem.bits
| ImGuiHoveredFlags::AllowWhenOverlapped.bits;
}
);
bitflags!(
/// Flags for indictating which corner of a rectangle should be rounded
#[repr(C)]
pub struct ImDrawCornerFlags: c_int {
const TopLeft = 1 << 0;
const TopRight = 1 << 1;
const BotRight = 1 << 2;
const BotLeft = 1 << 3;
const Top = ImDrawCornerFlags::TopLeft.bits
| ImDrawCornerFlags::TopRight.bits;
const Bot = ImDrawCornerFlags::BotLeft.bits
| ImDrawCornerFlags::BotRight.bits;
const Left = ImDrawCornerFlags::TopLeft.bits
| ImDrawCornerFlags::BotLeft.bits;
const Right = ImDrawCornerFlags::TopRight.bits
| ImDrawCornerFlags::BotRight.bits;
const All = 0xF;
}
);
pub type ImGuiTextEditCallback = Option<
extern "C" fn(data: *mut ImGuiTextEditCallbackData) -> c_int,
>;
pub type ImGuiSizeConstraintCallback =
Option<extern "C" fn(data: *mut ImGuiSizeConstraintCallbackData)>;
/// A tuple of 2 floating-point values
#[repr(C)]
#[derive(Copy, Clone, Debug, Default, PartialEq)]
pub struct ImVec2 {
pub x: c_float,
pub y: c_float,
}
impl ImVec2 {
pub fn new(x: f32, y: f32) -> ImVec2 {
ImVec2 {
x: x as c_float,
y: y as c_float,
}
}
pub fn zero() -> ImVec2 {
ImVec2 {
x: 0.0 as c_float,
y: 0.0 as c_float,
}
}
}
impl From<[f32; 2]> for ImVec2 {
fn from(array: [f32; 2]) -> ImVec2 { ImVec2::new(array[0], array[1]) }
}
impl From<(f32, f32)> for ImVec2 {
fn from((x, y): (f32, f32)) -> ImVec2 { ImVec2::new(x, y) }
}
impl Into<[f32; 2]> for ImVec2 {
fn into(self) -> [f32; 2] { [self.x, self.y] }
}
impl Into<(f32, f32)> for ImVec2 {
fn into(self) -> (f32, f32) { (self.x, self.y) }
}
/// A tuple of 4 floating-point values
#[repr(C)]
#[derive(Copy, Clone, Debug, Default, PartialEq)]
pub struct ImVec4 {
pub x: c_float,
pub y: c_float,
pub z: c_float,
pub w: c_float,
}
impl ImVec4 {
pub fn new(x: f32, y: f32, z: f32, w: f32) -> ImVec4 {
ImVec4 {
x: x as c_float,
y: y as c_float,
z: z as c_float,
w: w as c_float,
}
}
pub fn zero() -> ImVec4 {
ImVec4 {
x: 0.0 as c_float,
y: 0.0 as c_float,
z: 0.0 as c_float,
w: 0.0 as c_float,
}
}
}
impl From<[f32; 4]> for ImVec4 {
fn from(array: [f32; 4]) -> ImVec4 { ImVec4::new(array[0], array[1], array[2], array[3]) }
}
impl From<(f32, f32, f32, f32)> for ImVec4 {
fn from((x, y, z, w): (f32, f32, f32, f32)) -> ImVec4 { ImVec4::new(x, y, z, w) }
}
impl Into<[f32; 4]> for ImVec4 {
fn into(self) -> [f32; 4] { [self.x, self.y, self.z, self.w] }
}
impl Into<(f32, f32, f32, f32)> for ImVec4 {
fn into(self) -> (f32, f32, f32, f32) { (self.x, self.y, self.z, self.w) }
}
/// Runtime data for styling/colors
#[repr(C)]
pub struct ImGuiStyle {
/// Global alpha applies to everything in ImGui
pub alpha: c_float,
/// Padding within a window
pub window_padding: ImVec2,
/// Minimum window size
pub window_min_size: ImVec2,
/// Radius of window corners rounding. Set to 0.0f to have rectangular windows
pub window_rounding: c_float,
/// Alignment for title bar text. Defaults to (0.0f, 0.5f) for left-aligned, vertically centered
pub window_title_align: ImVec2,
/// Radius of child window corners rounding. Set to 0.0f to have rectangular child windows
pub child_window_rounding: c_float,
/// Padding within a framed rectangle (used by most widgets)
pub frame_padding: ImVec2,
/// Radius of frame corners rounding. Set to 0.0f to have rectangular frames (used by most
/// widgets).
pub frame_rounding: c_float,
/// Horizontal and vertical spacing between widgets/lines
pub item_spacing: ImVec2,
/// Horizontal and vertical spacing between within elements of a composed
/// widget (e.g. a slider and its label)
pub item_inner_spacing: ImVec2,
/// Expand reactive bounding box for touch-based system where touch position is not accurate
/// enough. Unfortunately we don't sort widgets so priority on overlap will always be given
/// to the first widget. So don't grow this too much!
pub touch_extra_padding: ImVec2,
/// Horizontal spacing when e.g. entering a tree node.
/// Generally == (FontSize + FramePadding.x*2).
pub indent_spacing: c_float,
/// Minimum horizontal spacing between two columns
pub columns_min_spacing: c_float,
/// Width of the vertical scrollbar, Height of the horizontal scrollbar
pub scrollbar_size: c_float,
/// Width of the vertical scrollbar, Height of the horizontal scrollbar
pub scrollbar_rounding: c_float,
/// Minimum width/height of a grab box for slider/scrollbar
pub grab_min_size: c_float,
/// Radius of grabs corners rounding. Set to 0.0f to have rectangular slider grabs.
pub grab_rounding: c_float,
/// Alignment of button text when button is larger than text. Defaults to (0.5f, 0.5f)
/// for horizontally + vertically centered
pub button_text_align: ImVec2,
/// Window positions are clamped to be visible within the display area by at least this
/// amount. Only covers regular windows.
pub display_window_padding: ImVec2,
/// If you cannot see the edge of your screen (e.g. on a TV) increase the safe area padding.
/// Covers popups/tooltips as well regular windows.
pub display_safe_area_padding: ImVec2,
/// Enable anti-aliasing on lines/borders. Disable if you are really short on CPU/GPU.
pub anti_aliased_lines: bool,
/// Enable anti-aliasing on filled shapes (rounded rectangles, circles, etc.)
pub anti_aliased_shapes: bool,
/// Tessellation tolerance. Decrease for highly tessellated curves (higher quality, more
/// polygons), increase to reduce quality.
pub curve_tessellation_tol: c_float,
/// Colors for the user interface
pub colors: [ImVec4; ImGuiCol_COUNT],
}
/// Main configuration and I/O between your application and ImGui
#[repr(C)]
pub struct ImGuiIO {
pub display_size: ImVec2,
pub delta_time: c_float,
pub ini_saving_rate: c_float,
pub ini_filename: *const c_char,
pub log_filename: *const c_char,
pub mouse_double_click_time: c_float,
pub mouse_double_click_max_dist: c_float,
pub mouse_drag_threshold: c_float,
pub key_map: [c_int; ImGuiKey_COUNT],
pub key_repeat_delay: c_float,
pub key_repeat_rate: c_float,
pub user_data: *mut c_void,
pub fonts: *mut ImFontAtlas,
pub font_global_scale: c_float,
pub font_allow_user_scaling: bool,
pub font_default: *mut ImFont,
pub display_framebuffer_scale: ImVec2,
pub display_visible_min: ImVec2,
pub display_visible_max: ImVec2,
pub osx_behaviors: bool,
pub render_draw_lists_fn: Option<extern "C" fn(data: *mut ImDrawData)>,
pub get_clipboard_text_fn: Option<extern "C" fn(user_data: *mut c_void) -> *const c_char>,
pub set_clipboard_text_fn: Option<extern "C" fn(user_data: *mut c_void, text: *const c_char)>,
pub clipboard_user_data: *mut c_void,
pub mem_alloc_fn: Option<extern "C" fn(sz: usize) -> *mut c_void>,
pub mem_free_fn: Option<extern "C" fn(ptr: *mut c_void)>,
pub ime_set_input_screen_pos_fn: Option<extern "C" fn(x: c_int, y: c_int)>,
pub ime_window_handle: *mut c_void,
pub mouse_pos: ImVec2,
pub mouse_down: [bool; 5],
pub mouse_wheel: c_float,
pub mouse_draw_cursor: bool,
pub key_ctrl: bool,
pub key_shift: bool,
pub key_alt: bool,
pub key_super: bool,
pub keys_down: [bool; 512],
pub input_characters: [ImWchar; 16 + 1],
pub want_capture_mouse: bool,
pub want_capture_keyboard: bool,
pub want_text_input: bool,
pub want_move_mouse: bool,
pub framerate: c_float,
pub metrics_allocs: c_int,
pub metrics_render_vertices: c_int,
pub metrics_render_indices: c_int,
pub metrics_active_windows: c_int,
pub mouse_delta: ImVec2,
mouse_pos_prev: ImVec2,
mouse_clicked_pos: [ImVec2; 5],
mouse_clicked_time: [c_float; 5],
mouse_clicked: [bool; 5],
mouse_double_clicked: [bool; 5],
mouse_released: [bool; 5],
mouse_down_owned: [bool; 5],
mouse_down_duration: [c_float; 5],
mouse_down_duration_prev: [c_float; 5],
mouse_drag_max_distance_sqr: [c_float; 5],
keys_down_duration: [c_float; 512],
keys_down_duration_prev: [c_float; 512],
}
/// Lightweight vector struct
#[repr(C)]
pub struct ImVector<T> {
pub size: c_int,
pub capacity: c_int,
pub data: *mut T,
}
impl<T> ImVector<T> {
pub unsafe fn as_slice(&self) -> &[T] { slice::from_raw_parts(self.data, self.size as usize) }
}
#[repr(C)]
pub struct TextRange {
pub begin: *const c_char,
pub end: *const c_char,
}
#[repr(C)]
pub struct ImGuiTextFilter {
pub input_buf: [c_char; 256],
pub filters: ImVector<TextRange>,
pub count_grep: c_int,
}
#[repr(C)]
pub struct ImGuiTextBuffer {
pub buf: ImVector<c_char>,
}
#[repr(C)]
pub struct Pair {
pub key: ImGuiID,
pub value: PairValue,
}
#[repr(C)]
pub union PairValue {
val_i: c_int,
val_f: c_float,
val_p: *mut c_void,
}
#[repr(C)]
pub struct ImGuiStorage {
pub data: ImVector<Pair>,
}
#[repr(C)]
pub struct ImGuiTextEditCallbackData {
pub event_flag: ImGuiInputTextFlags,
pub flags: ImGuiInputTextFlags,
pub user_data: *mut c_void,
pub read_only: bool,
pub event_char: ImWchar,
pub event_key: ImGuiKey,
pub buf: *mut c_char,
pub buf_text_len: c_int,
pub buf_size: c_int,
pub buf_dirty: bool,
pub cursor_pos: c_int,
pub selection_start: c_int,
pub selection_end: c_int,
}
#[repr(C)]
pub struct ImGuiSizeConstraintCallbackData {
pub user_data: *mut c_void,
pub pos: ImVec2,
pub current_size: ImVec2,
pub desired_size: ImVec2,
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct ImColor {
pub value: ImVec4,
}
/// Helper to manually clip large list of items
#[repr(C)]
#[derive(Copy, Clone, Debug)]
pub struct ImGuiListClipper {
pub start_pos_y: c_float,
pub items_height: c_float,
pub items_count: c_int,
pub step_no: c_int,
pub display_start: c_int,
pub display_end: c_int,
}
pub type ImDrawCallback = Option<
extern "C" fn(parent_list: *const ImDrawList,
cmd: *const ImDrawCmd),
>;
/// A single draw command within a parent ImDrawList (generally maps to 1 GPU draw call)
#[repr(C)]
pub struct ImDrawCmd {
pub elem_count: c_uint,
pub clip_rect: ImVec4,
pub texture_id: ImTextureID,
pub user_callback: ImDrawCallback,
pub user_callback_data: *mut c_void,
}
/// Vertex index
pub type ImDrawIdx = c_ushort;
/// A single vertex
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct ImDrawVert {
pub pos: ImVec2,
pub uv: ImVec2,
pub col: ImU32,
}
/// Temporary storage for outputting drawing commands out of order
#[repr(C)]
pub struct ImDrawChannel {
pub cmd_buffer: ImVector<ImDrawCmd>,
pub idx_buffer: ImVector<ImDrawIdx>,
}
/// A single draw command list (generally one per window)
#[repr(C)]
pub struct ImDrawList {
pub cmd_buffer: ImVector<ImDrawCmd>,
pub idx_buffer: ImVector<ImDrawIdx>,
pub vtx_buffer: ImVector<ImDrawVert>,
owner_name: *const c_char,
vtx_current_idx: c_uint,
vtx_write_ptr: *mut ImDrawVert,
idx_write_ptr: *mut ImDrawIdx,
clip_rect_stack: ImVector<ImVec4>,
texture_id_stack: ImVector<ImTextureID>,
path: ImVector<ImVec2>,
channels_current: c_int,
channels_count: c_int,
channels: ImVector<ImDrawChannel>,
}
/// All draw command lists required to render the frame
#[repr(C)]
pub struct ImDrawData {
pub valid: bool,
pub cmd_lists: *mut *mut ImDrawList,
pub cmd_lists_count: c_int,
pub total_vtx_count: c_int,
pub total_idx_count: c_int,
}
impl ImDrawData {
pub unsafe fn cmd_lists(&self) -> &[*const ImDrawList] {
let cmd_lists: *const *const ImDrawList = mem::transmute(self.cmd_lists);
slice::from_raw_parts(cmd_lists, self.cmd_lists_count as usize)
}
}
/// Configuration data when adding a font or merging fonts
#[repr(C)]
pub struct ImFontConfig {
pub font_data: *mut c_void,
pub font_data_size: c_int,
pub font_data_owned_by_atlas: bool,
pub font_no: c_int,
pub size_pixels: c_float,
pub oversample_h: c_int,
pub oversample_v: c_int,
pub pixel_snap_h: bool,
pub glyph_extra_spacing: ImVec2,
pub glyph_offset: ImVec2,
pub glyph_ranges: *const ImWchar,
pub merge_mode: bool,
pub rasterizer_flags: c_uint,
pub rasterizer_multiply: c_float,
name: [c_char; 32],
dst_font: *mut ImFont,
}
impl ImFontConfig {
// This function only exists because cimgui does not provide a wrapper around
// `ImGuiConfig::ImGuiConfig()`. This code is based off that constructor.
pub fn new() -> ImFontConfig {
ImFontConfig {
font_data: ptr::null_mut(),
font_data_size: 0,
font_data_owned_by_atlas: true,
font_no: 0,
size_pixels: 0.0,
oversample_h: 3,
oversample_v: 1,
pixel_snap_h: false,
glyph_extra_spacing: ImVec2::zero(),
glyph_offset: ImVec2::zero(),
glyph_ranges: ptr::null(),
merge_mode: false,
rasterizer_flags: 0,
rasterizer_multiply: 1.0,
name: [0; 32],
dst_font: ptr::null_mut(),
}
}
}
#[repr(C)]
#[derive(Copy, Clone, Debug, Default)]
pub struct ImFontGlyph {
codepoint: ImWchar,
advance_x: c_float,
x0: c_float,
y0: c_float,
x1: c_float,
y1: c_float,
u0: c_float,
v0: c_float,
u1: c_float,
v1: c_float,
}
#[repr(C)]
pub struct CustomRect {
pub id: c_uint,
pub width: c_ushort,
pub height: c_ushort,
pub x: c_ushort,
pub y: c_ushort,
pub glyph_advance_x: c_float,
pub glyph_offset: ImVec2,
pub font: *mut ImFont,
}
/// Runtime data for multiple fonts, bake multiple fonts into a single texture, TTF/OTF font loader
#[repr(C)]
pub struct ImFontAtlas {
pub tex_id: *mut c_void,
pub tex_desired_width: c_int,
pub tex_glyph_padding: c_int,
tex_pixels_alpha8: *mut c_uchar,
tex_pixels_rgba32: *mut c_uint,
tex_width: c_int,
tex_height: c_int,
tex_uv_white_pixel: ImVec2,
fonts: ImVector<*mut ImFont>,
custom_rects: ImVector<CustomRect>,
config_data: ImVector<ImFontConfig>,
custom_rect_ids: [c_int; 1],
}
/// Runtime data for a single font within a parent ImFontAtlas
#[repr(C)]
pub struct ImFont {
font_size: c_float,
scale: c_float,
display_offset: ImVec2,
glyphs: ImVector<ImFontGlyph>,
index_advance_x: ImVector<c_float>,
index_lookup: ImVector<c_ushort>,
fallback_glyph: *const ImFontGlyph,
fallback_advance_x: c_float,
fallback_char: ImWchar,
config_data_count: c_short,
config_data: *mut ImFontConfig,
container_atlas: *mut ImFontAtlas,
ascent: c_float,
descent: c_float,
metrics_total_surface: c_int,
}
// Main
extern "C" {
pub fn igGetIO() -> *mut ImGuiIO;
pub fn igGetStyle() -> *mut ImGuiStyle;
pub fn igGetDrawData() -> *mut ImDrawData;
pub fn igNewFrame();
pub fn igRender();
pub fn igShutdown();
}
// Demo/Debug/Info
extern "C" {
pub fn igShowDemoWindow(opened: *mut bool);
pub fn igShowMetricsWindow(opened: *mut bool);
pub fn igShowStyleEditor(style: *mut ImGuiStyle);
pub fn igShowUserGuide();
}
#[allow(non_snake_case)]
#[deprecated(since = "0.0.19", note = "please use igShowDemoWindow instead")]
pub unsafe fn igShowTestWindow(opened: *mut bool) {
igShowDemoWindow(opened)
}
// Window
extern "C" {
pub fn igBegin(name: *const c_char, open: *mut bool, flags: ImGuiWindowFlags) -> bool;
pub fn igEnd();
pub fn igBeginChild(
str_id: *const c_char,
size: ImVec2,
border: bool,
extra_flags: ImGuiWindowFlags,
) -> bool;
pub fn igBeginChildEx(
id: ImGuiID,
size: ImVec2,
border: bool,
extra_flags: ImGuiWindowFlags,
) -> bool;
pub fn igEndChild();
pub fn igGetContentRegionMax(out: *mut ImVec2);
pub fn igGetContentRegionAvail(out: *mut ImVec2);
pub fn igGetContentRegionAvailWidth() -> c_float;
pub fn igGetWindowContentRegionMin(out: *mut ImVec2);
pub fn igGetWindowContentRegionMax(out: *mut ImVec2);
pub fn igGetWindowContentRegionWidth() -> c_float;
pub fn igGetWindowDrawList() -> *mut ImDrawList;
pub fn igGetWindowPos(out: *mut ImVec2);
pub fn igGetWindowSize(out: *mut ImVec2);
pub fn igGetWindowWidth() -> c_float;
pub fn igGetWindowHeight() -> c_float;
pub fn igIsWindowCollapsed() -> bool;
pub fn igIsWindowAppearing() -> bool;
pub fn igSetWindowFontScale(scale: c_float);
pub fn igSetNextWindowPos(pos: ImVec2, cond: ImGuiCond, pivot: ImVec2);
pub fn igSetNextWindowSize(size: ImVec2, cond: ImGuiCond);
pub fn igSetNextWindowConstraints(
size_min: ImVec2,
size_max: ImVec2,
custom_callback: ImGuiSizeConstraintCallback,
custom_callback_data: *mut c_void,
);
pub fn igSetNextWindowContentSize(size: ImVec2);
pub fn igSetNextWindowContentWidth(width: c_float);
pub fn igSetNextWindowCollapsed(collapsed: bool, cond: ImGuiCond);
pub fn igSetNextWindowFocus();
pub fn igSetWindowPos(pos: ImVec2, cond: ImGuiCond);
pub fn igSetWindowSize(size: ImVec2, cond: ImGuiCond);
pub fn igSetWindowCollapsed(collapsed: bool, cond: ImGuiCond);
pub fn igSetWindowFocus();
pub fn igSetWindowPosByName(name: *const c_char, pos: ImVec2, cond: ImGuiCond);
pub fn igSetWindowSize2(name: *const c_char, size: ImVec2, cond: ImGuiCond);
pub fn igSetWindowCollapsed2(name: *const c_char, collapsed: bool, cond: ImGuiCond);
pub fn igSetWindowFocus2(name: *const c_char);
pub fn igGetScrollX() -> c_float;
pub fn igGetScrollY() -> c_float;
pub fn igGetScrollMaxX() -> c_float;
pub fn igGetScrollMaxY() -> c_float;
pub fn igSetScrollX(scroll_x: c_float);
pub fn igSetScrollY(scroll_y: c_float);
pub fn igSetScrollHere(center_y_ratio: c_float);
pub fn igSetScrollFromPosY(pos_y: c_float, center_y_ratio: c_float);
pub fn igSetKeyboardFocusHere(offset: c_int);
pub fn igSetStateStorage(tree: *mut ImGuiStorage);
pub fn igGetStateStorage() -> *mut ImGuiStorage;
}
#[allow(non_snake_case)]
#[deprecated(since = "0.0.18", note = "please use igSetNextWindowPos instead")]
pub unsafe fn igSetNextWindowPosCenter(cond: ImGuiCond) {
let io = igGetIO();
let pos = ImVec2::new((*io).display_size.x * 0.5, (*io).display_size.y * 0.5);
let pivot = ImVec2::new(0.5, 0.5);
igSetNextWindowPos(pos, cond, pivot);
}
// Parameter stack (shared)
extern "C" {
pub fn igPushFont(font: *mut ImFont);
pub fn igPopFont();
pub fn igPushStyleColorU32(idx: ImGuiCol, col: ImU32);
pub fn igPushStyleColor(idx: ImGuiCol, col: ImVec4);
pub fn igPopStyleColor(count: c_int);
pub fn igPushStyleVar(idx: ImGuiStyleVar, val: c_float);
pub fn igPushStyleVarVec(idx: ImGuiStyleVar, val: ImVec2);
pub fn igPopStyleVar(count: c_int);
pub fn igGetStyleColorVec4(out: *mut ImVec4, idx: ImGuiCol);
pub fn igGetFont() -> *mut ImFont;
pub fn igGetFontSize() -> c_float;
pub fn igGetFontTexUvWhitePixel(out: *mut ImVec2);
pub fn igGetColorU32(idx: ImGuiCol, alpha_mul: c_float) -> ImU32;
pub fn igGetColorU32Vec(col: *const ImVec4) -> ImU32;
pub fn igGetColorU32U32(col: ImU32) -> ImU32;
}
// Parameter stack (current window)
extern "C" {
pub fn igPushItemWidth(item_width: c_float);
pub fn igPopItemWidth();
pub fn igCalcItemWidth() -> c_float;
pub fn igPushTextWrapPos(wrap_pos_x: c_float);
pub fn igPopTextWrapPos();
pub fn igPushAllowKeyboardFocus(allow_keyboard_focus: bool);
pub fn igPopAllowKeyboardFocus();
pub fn igPushButtonRepeat(repeat: bool);
pub fn igPopButtonRepeat();
}
// Cursor / Layout
extern "C" {
pub fn igSeparator();
pub fn igSameLine(pos_x: c_float, spacing_w: c_float);
pub fn igNewLine();
pub fn igSpacing();