dergrimm/clay-zig-bindings
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added util functions default value for some structs and wraped some c functions to make them easier to use

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This commit is contained in:
johan0A 2024-09-22 23:42:40 +02:00
parent e89422deda
commit c004aed0a3
1 changed files with 52 additions and 25 deletions
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77
src/root.zig
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@ -73,12 +73,12 @@ pub const TextWrapMode = enum(EnumBackingType) {
};
pub const TextElementConfig = extern struct {
textColor: Color,
fontId: u16,
fontSize: u16,
letterSpacing: u16,
lineSpacing: u16,
wrapMode: TextWrapMode,
textColor: Color = .{ 0, 0, 0, 255 },
fontId: u16 = 0,
fontSize: u16 = 20,
letterSpacing: u16 = 0,
lineSpacing: u16 = 0,
wrapMode: TextWrapMode = .Newlines,
};
pub const ImageElementConfig = extern struct {
@ -160,8 +160,8 @@ pub const SizingType = enum(EnumBackingType) {
};
pub const SizingConstraintsMinMax = extern struct {
min: f32,
max: f32,
min: f32 = 0,
max: f32 = 0,
};
pub const SizingConstraints = extern union {
@ -170,13 +170,13 @@ pub const SizingConstraints = extern union {
};
pub const SizingAxis = extern struct {
constraints: SizingConstraints,
type: SizingType,
constraints: SizingConstraints = .{ .sizePercent = 100 },
type: SizingType = .FIT,
};
pub const Sizing = extern struct {
width: SizingAxis,
height: SizingAxis,
width: SizingAxis = .{},
height: SizingAxis = .{},
};
pub const Padding = extern struct {
@ -213,7 +213,7 @@ pub const LayoutConfig = extern struct {
},
padding: Padding = .{},
childGap: u16 = 0,
layoutDirection: LayoutDirection = .TOP_TO_BOTTOM,
layoutDirection: LayoutDirection = .LEFT_TO_RIGHT,
childAlignment: ChildAlignment = .{},
};
@ -227,12 +227,11 @@ pub fn ClayArray(comptime T: type) type {
const extern_elements = struct {
// TODO: should use @extern instead but zls does not yet support it well
// Foreign function declarations
extern "c" fn Clay_MinMemorySize() u32;
extern "c" fn Clay_CreateArenaWithCapacityAndMemory(capacity: u32, offset: [*]u8) Arena;
extern "c" fn Clay_SetPointerState(position: Vector2, pointerDown: bool) void;
extern "c" fn Clay_SetPointerState(position: [*]f32, pointerDown: bool) void;
extern "c" fn Clay_Initialize(arena: Arena, layoutDimensions: Dimensions) void;
extern "c" fn Clay_UpdateScrollContainers(isPointerActive: bool, scrollDelta: Vector2, deltaTime: f32) void;
extern "c" fn Clay_UpdateScrollContainers(isPointerActive: bool, scrollDelta: [*]f32, deltaTime: f32) void;
extern "c" fn Clay_SetLayoutDimensions(dimensions: Dimensions) void;
extern "c" fn Clay_BeginLayout() void;
extern "c" fn Clay_EndLayout() ClayArray(RenderCommand);
@ -242,7 +241,6 @@ const extern_elements = struct {
extern "c" fn Clay_RenderCommandArray_Get(array: *ClayArray(RenderCommand), index: i32) *RenderCommand;
extern "c" fn Clay_SetDebugModeEnabled(enabled: bool) void;
// Private external functions
extern "c" fn Clay__OpenContainerElement(id: ElementId, layoutConfig: *LayoutConfig) void;
extern "c" fn Clay__OpenRectangleElement(id: ElementId, layoutConfig: *LayoutConfig, rectangleConfig: *RectangleElementConfig) void;
extern "c" fn Clay__OpenTextElement(id: ElementId, text: String, textConfig: *TextElementConfig) void;
@ -265,12 +263,9 @@ const extern_elements = struct {
extern "c" fn Clay__HashString(toHash: String, index: u32) ElementId;
};
// Public function declarations
pub const minMemorySize = extern_elements.Clay_MinMemorySize;
pub const createArenaWithCapacityAndMemory = extern_elements.Clay_CreateArenaWithCapacityAndMemory;
pub const setPointerState = extern_elements.Clay_SetPointerState;
pub const initialize = extern_elements.Clay_Initialize;
pub const updateScrollContainers = extern_elements.Clay_UpdateScrollContainers;
pub const setLayoutDimensions = extern_elements.Clay_SetLayoutDimensions;
pub const beginLayout = extern_elements.Clay_BeginLayout;
pub const endLayout = extern_elements.Clay_EndLayout;
@ -280,18 +275,16 @@ pub const setMeasureTextFunction = extern_elements.Clay_SetMeasureTextFunction;
pub const renderCommandArray_Get = extern_elements.Clay_RenderCommandArray_Get;
pub const setDebugModeEnabled = extern_elements.Clay_SetDebugModeEnabled;
// Private function declarations
pub const rontainer = extern_elements.Clay__OpenContainerElement;
pub const rectangle = extern_elements.Clay__OpenRectangleElement;
pub const text = extern_elements.Clay__OpenTextElement;
pub const image = extern_elements.Clay__OpenImageElement;
pub const scroll = extern_elements.Clay__OpenScrollElement;
pub const floating = extern_elements.Clay__OpenFloatingElement;
pub const border = extern_elements.Clay__OpenBorderElement;
pub const sustomElement = extern_elements.Clay__OpenCustomElement;
pub const customElement = extern_elements.Clay__OpenCustomElement;
pub const closeParent = extern_elements.Clay__CloseElementWithChildren;
pub const closeScroll = extern_elements.Clay__CloseScrollElement;
pub const sloseFloating = extern_elements.Clay__CloseFloatingElement;
pub const closeFloating = extern_elements.Clay__CloseFloatingElement;
pub const layout = extern_elements.Clay__StoreLayoutConfig;
pub const rectangleConfig = extern_elements.Clay__StoreRectangleElementConfig;
pub const textConfig = extern_elements.Clay__StoreTextElementConfig;
@ -302,6 +295,21 @@ pub const scrollConfig = extern_elements.Clay__StoreScrollElementConfig;
pub const borderConfig = extern_elements.Clay__StoreBorderElementConfig;
pub const hashString = extern_elements.Clay__HashString;
pub fn setPointerState(position: Vector2, pointerDown: bool) void {
extern_elements.Clay_SetPointerState(@ptrCast(@constCast(&position)), pointerDown);
}
pub fn updateScrollContainers(isPointerActive: bool, scrollDelta: Vector2, deltaTime: f32) void {
extern_elements.Clay_UpdateScrollContainers(isPointerActive, @ptrCast(@constCast(&scrollDelta)), deltaTime);
}
pub fn text(id: ElementId, string: []const u8, config: *TextElementConfig) void {
extern_elements.Clay__OpenTextElement(id, .{
.chars = @ptrCast(@constCast(string)),
.length = @intCast(string.len),
}, config);
}
fn measureText(str: *String, conf: *TextElementConfig) callconv(.C) Dimensions {
_ = str;
_ = conf;
@ -336,9 +344,28 @@ test {
std.debug.print("{any}", .{_layout.internalArray[0..1]});
}
fn ID(name: []const u8) ElementId {
pub fn ID(name: []const u8) ElementId {
return hashString(.{
.chars = @ptrCast(@constCast(name)),
.length = @intCast(name.len),
}, 0);
}
pub fn IDI(name: []const u8, index: u32) ElementId {
return hashString(.{
.chars = @ptrCast(@constCast(name)),
.length = @intCast(name.len),
}, index);
}
pub fn sizingGrow(sizeMinMax: SizingConstraintsMinMax) SizingAxis {
return .{ .type = .GROW, .constraints = .{ .sizeMinMax = sizeMinMax } };
}
pub fn sizingFixed(size: f32) SizingAxis {
return SizingAxis{ .type = .FIT, .constraints = .{ .sizeMinMax = .{ .max = size, .min = size } } };
}
pub fn SizingPercent(sizePercent: f32) SizingAxis {
return .{ .type = .PERCENT, .constraints = .{ .sizePercent = sizePercent } };
}