Lifecycle

LDKUIColor

typedef u32 LDKUIColor;

LDKUIColorSlot

typedef enum LDKUIColorSlot{
  LDK_UI_COLOR_TEXT,
  LDK_UI_COLOR_TEXT_DISABLED,
  LDK_UI_COLOR_WINDOW_BG,
  LDK_UI_COLOR_PANEL_BG,
  LDK_UI_COLOR_CONTROL_BG,
  LDK_UI_COLOR_CONTROL_BG_HOVERED,
  LDK_UI_COLOR_CONTROL_BG_ACTIVE,
  LDK_UI_COLOR_CONTROL_BG_ACTIVE_HOVERED,
  LDK_UI_COLOR_CONTROL_TEXT,
  LDK_UI_COLOR_CONTROL_TEXT_HOVERED,
  LDK_UI_COLOR_CONTROL_TEXT_ACTIVE,
  LDK_UI_COLOR_CONTROL_TEXT_ACTIVE_HOVERED,
  LDK_UI_COLOR_CONTROL_TEXT_DISABLED,
  LDK_UI_COLOR_CONTROL_BORDER,
  LDK_UI_COLOR_CONTROL_BORDER_HOVERED,
  LDK_UI_COLOR_CONTROL_BORDER_ACTIVE,
  LDK_UI_COLOR_CONTROL_BORDER_ACTIVE_HOVERED,
  LDK_UI_COLOR_CONTROL_BORDER_DISABLED,
  LDK_UI_COLOR_BORDER,
  LDK_UI_COLOR_FOCUS,
  LDK_UI_COLOR_SLIDER_TRACK,
  LDK_UI_COLOR_SLIDER_TRACK_HOVERED,
  LDK_UI_COLOR_SLIDER_TRACK_ACTIVE,
  LDK_UI_COLOR_SLIDER_FILL,
  LDK_UI_COLOR_SLIDER_THUMB,
  LDK_UI_COLOR_SLIDER_THUMB_HOVERED,
  LDK_UI_COLOR_SLIDER_THUMB_ACTIVE,
  LDK_UI_COLOR_TITLE,
  LDK_UI_COLOR_TITLE_BAR,
  LDK_UI_COLOR_TITLE_BAR_FOCUSED,
  LDK_UI_COLOR_SCROLLBAR_TRACK,
  LDK_UI_COLOR_SCROLLBAR_THUMB,
  LDK_UI_COLOR_SCROLLBAR_THUMB_HOVERED,
  LDK_UI_COLOR_SCROLLBAR_THUMB_ACTIVE,
  LDK_UI_COLOR_TAB_BAR_BG,
  LDK_UI_COLOR_TAB_BAR_SEPARATOR,
  LDK_UI_COLOR_TAB_BG,
  LDK_UI_COLOR_TAB_BG_HOVERED,
  LDK_UI_COLOR_TAB_TEXT,
  LDK_UI_COLOR_TAB_TEXT_HOVERED,
  LDK_UI_COLOR_TAB_BORDER,
  LDK_UI_COLOR_TAB_BORDER_HOVERED,
  LDK_UI_COLOR_TAB_ACTIVE_BG,
  LDK_UI_COLOR_TAB_ACTIVE_TEXT,
  LDK_UI_COLOR_TAB_ACTIVE_BORDER,
  LDK_UI_COLOR_SEPARATOR,
  LDK_UI_COLOR_INPUT_BORDER,
  LDK_UI_COLOR_INPUT_BG,
  LDK_UI_COLOR_INPUT_BG_HOVERED,
  LDK_UI_COLOR_INPUT_BG_ACTIVE,
  LDK_UI_COLOR_INPUT_BG_ACTIVE_HOVERED,
  LDK_UI_COLOR_COUNT,
}LDKUIColorSlot;

LDKUIDrawCmd

typedef struct LDKUIDrawCmd{
  LDKUITextureHandle texture;
  LDKUIRect clip_rect;
  u32 index_offset;
  u32 index_count;
}LDKUIDrawCmd;

LDKUIGetFontPageTextureFn

Callback resolving the texture for a font atlas page.

typedef LDKUITextureHandle(*LDKUIGetFontPageTextureFn)(void *user, LDKFontInstance *font, u32 page_index);

LDKUIHitCandidate

typedef struct LDKUIHitCandidate LDKUIHitCandidate;

LDKUIHitLayer

typedef enum LDKUIHitLayer{
  LDK_UI_HIT_LAYER_NORMAL=0,
  LDK_UI_HIT_LAYER_POPUP=1,
}LDKUIHitLayer;

LDKUIId

typedef uint32_t LDKUIId;

LDKUIItemType

typedef enum LDKUIItemType{
  LDK_UI_ITEM_WINDOW=1,
  LDK_UI_ITEM_LABEL=2,
  LDK_UI_ITEM_BUTTON=3,
  LDK_UI_ITEM_SLIDER=4,
  LDK_UI_ITEM_SCROLLVIEW=5,
  LDK_UI_ITEM_LAYOUT_VERTICAL=6,
  LDK_UI_ITEM_LAYOUT_HORIZONTAL=7,
  LDK_UI_ITEM_INPUT_BOX=8,
  LDK_UI_ITEM_IMAGE=9,
  LDK_UI_ITEM_ICON_BUTTON=10,
  LDK_UI_ITEM_PANEL=11,
  LDK_UI_ITEM_SPACER=12,
  LDK_UI_ITEM_TOGGLE=13,
  LDK_UI_ITEM_SEPARATOR=14,
  LDK_UI_ITEM_ICON_LABEL=15,
  LDK_UI_ITEM_COMBO_BOX=16,
  LDK_UI_ITEM_TAB_BAR=17,
  LDK_UI_ITEM_RESIZE_HANDLE=18,
  LDK_UI_ITEM_SLIDER_INPUT=19,
}LDKUIItemType;

LDKUILayout

typedef struct LDKUILayout LDKUILayout;

LDKUILayoutItem

typedef struct LDKUILayoutItem{
  LDKUIId layout_id;
  u32 item_index;
  u32 next_layout_item_array_index;
  u32 cache_array_index;
  LDKUILayoutRequest request;
  LDKUIRect fallback_rect;
}LDKUILayoutItem;

LDKUILayoutItemCache

typedef struct LDKUILayoutItemCache{
  LDKUIId layout_id;
  LDKUIId owner_window_id;
  u32 item_index;
  LDKUIRect rect;
  u32 last_frame_touched;
}LDKUILayoutItemCache;

LDKUILayoutRequest

typedef struct LDKUILayoutRequest{
  LDKUIItemType type;
  LDKUISize min_size;
  LDKUILayoutSize width;
  LDKUILayoutSize height;
  float weight;
  bool has_height;
  bool has_width;
  bool hit_test;
}LDKUILayoutRequest;

LDKUIPoint

typedef LDKPointf LDKUIPoint;

LDKUITextureHandle

typedef uintptr_t LDKUITextureHandle;

LDKUIVertex

typedef struct LDKUIVertex{
  float x;
  float y;
  float u;
  float v;
  rgba32 color;
}LDKUIVertex;

LDK_UI_DEFAULT_SPACING

#define LDK_UI_DEFAULT_SPACING 4.0f

LDK_UI_LAYOUT_ITEM_CACHE_CAPACITY

#define LDK_UI_LAYOUT_ITEM_CACHE_CAPACITY 64

LDK_UI_LAYOUT_ITEM_CAPACITY

#define LDK_UI_LAYOUT_ITEM_CAPACITY 512

LDK_UI_LAYOUT_STACK_CAPACITY

#define LDK_UI_LAYOUT_STACK_CAPACITY 64

ldk_ui_format_float

Format a floating-point value for UI display.

LDK_API void ldk_ui_format_float(
 char *buffer,
 u32 buffer_size,
 float value
);

ldk_ui_initialize

Initialize the UI.

LDK_API bool ldk_ui_initialize(
 LDKUIContext *ctx,
 LDKUIConfig const *config
);

ldk_ui_terminate

Shut down the UI.

LDK_API void ldk_ui_terminate(LDKUIContext *ctx);