htmlayout_const.go

// Convert From htmlayout.h...
package gohl

// HTMLayout Notify Events
const (
	HLN_CREATE_CONTROL    = 0xAFF + 0x01
	HLN_LOAD_DATA         = 0xAFF + 0x02
	HLN_CONTROL_CREATED   = 0xAFF + 0x03
	HLN_DATA_LOADED       = 0xAFF + 0x04
	HLN_DOCUMENT_COMPLETE = 0xAFF + 0x05
	HLN_UPDATE_UI         = 0xAFF + 0x06
	HLN_DESTROY_CONTROL   = 0xAFF + 0x07
	HLN_ATTACH_BEHAVIOR   = 0xAFF + 0x08
	HLN_BEHAVIOR_CHANGED  = 0xAFF + 0x09
	HLN_DIALOG_CREATED    = 0xAFF + 0x10
	HLN_DIALOG_CLOSE_RQ   = 0xAFF + 0x0A
	HLN_DOCUMENT_LOADED   = 0xAFF + 0x0B
)

// PhaseMask
const (
	BUBBLING = 0       // bubbling (emersion) phase
	SINKING  = 0x08000 // capture (immersion) phase
	HANDLED  = 0x10000 // event already processed
)

// EventGroups
const (
	HANDLE_INITIALIZATION  = 0x0000     // attached/detached
	HANDLE_MOUSE           = 0x0001     // mouse events
	HANDLE_KEY             = 0x0002     // key events
	HANDLE_FOCUS           = 0x0004     // focus events
	HANDLE_SCROLL          = 0x0008     // scroll events
	HANDLE_TIMER           = 0x0010     // timer event
	HANDLE_SIZE            = 0x0020     // size changed event
	HANDLE_DRAW            = 0x0040     // drawing request (event)
	HANDLE_DATA_ARRIVED    = 0x080      // requested data has been delivered
	HANDLE_BEHAVIOR_EVENT  = 0x0100     // secondary, synthetic events
	HANDLE_METHOD_CALL     = 0x0200     // behavior specific methods
	HANDLE_EXCHANGE        = 0x1000     // system drag-n-drop
	HANDLE_GESTURE         = 0x2000     // touch input events
	HANDLE_ALL             = 0xFFFF     // all of them
	DISABLE_INITIALIZATION = 0x80000000 // disable INITIALIZATION events
)

// KeyboardStates
const (
	CONTROL_KEY_PRESSED = 0x1
	SHIFT_KEY_PRESSED   = 0x2
	ALT_KEY_PRESSED     = 0x4
)

// InitializationEvents
const (
	BEHAVIOR_DETACH = 0
	BEHAVIOR_ATTACH = 1
)

// DraggingType
const (
	NO_DRAGGING   = 0
	DRAGGING_MOVE = 1
	DRAGGING_COPY = 2
)

// MouseButtons
const (
	MAIN_MOUSE_BUTTON   = 0x01 // aka left button
	PROP_MOUSE_BUTTON   = 0x02 // aka right button
	MIDDLE_MOUSE_BUTTON = 0x04
	X1_MOUSE_BUTTON     = 0x08
	X2_MOUSE_BUTTON     = 0x10
)

// MouseEvents
const (
	MOUSE_ENTER  = 0
	MOUSE_LEAVE  = 1
	MOUSE_MOVE   = 2
	MOUSE_UP     = 3
	MOUSE_DOWN   = 4
	MOUSE_DCLICK = 5
	MOUSE_WHEEL  = 6
	MOUSE_TICK   = 7     // mouse pressed ticks
	MOUSE_IDLE   = 8     // mouse stay idle for some time
	DROP         = 9     // item dropped, target is that dropped item
	DRAG_ENTER   = 0xA   // drag arrived to the target element
	DRAG_LEAVE   = 0xB   // drag left one of current drop targets
	DRAG_REQUEST = 0xC   // drag src notification before drag start
	MOUSE_CLICK  = 0xFF  // mouse click event
	DRAGGING     = 0x100 // This flag is 'ORed' with MOUSE_* codes
)

// KeyEvents
const (
	KEY_DOWN = 0
	KEY_UP   = 1
	KEY_CHAR = 2
)

// FocusEvents
const (
	FOCUS_LOST = 0
	FOCUS_GOT  = 1
)

// FocusCause
const (
	BY_CODE     = 0
	BY_MOUSE    = 1
	BY_KEY_NEXT = 2
	BY_KEY_PREV = 3
)

// ScrollEvents
const (
	SCROLL_HOME            = 0
	SCROLL_END             = 1
	SCROLL_STEP_PLUS       = 2
	SCROLL_STEP_MINUS      = 3
	SCROLL_PAGE_PLUS       = 4
	SCROLL_PAGE_MINUS      = 5
	SCROLL_POS             = 6
	SCROLL_SLIDER_RELEASED = 7
)

// GestureCmd
const (
	GESTURE_REQUEST = 0 // return true and fill flags if it will handle gestures
	GESTURE_ZOOM    = 1 // The zoom gesture
	GESTURE_PAN     = 2 // The pan gesture
	GESTURE_ROTATE  = 3 // The rotation gesture
	GESTURE_TAP1    = 4 // The tap gesture
	GESTURE_TAP2    = 5 // The two-finger tap gesture
)

// GestureState
const (
	GESTURE_STATE_BEGIN   = 1 // starts
	GESTURE_STATE_INERTIA = 2 // events generated by inertia processor
	GESTURE_STATE_END     = 4 // end, last event of the gesture sequence
)

// GestureTypeFlags
const (
	GESTURE_FLAG_ZOOM             = 0x0001
	GESTURE_FLAG_ROTATE           = 0x0002
	GESTURE_FLAG_PAN_VERTICAL     = 0x0004
	GESTURE_FLAG_PAN_HORIZONTAL   = 0x0008
	GESTURE_FLAG_TAP1             = 0x0010 // press & tap
	GESTURE_FLAG_TAP2             = 0x0020 // two fingers tap
	GESTURE_FLAG_PAN_WITH_GUTTER  = 0x4000
	GESTURE_FLAG_PAN_WITH_INERTIA = 0x8000
	GESTURE_FLAGS_ALL             = 0xFFFF
)

// DrawEvents
const (
	DRAW_BACKGROUND = 0
	DRAW_CONTENT    = 1
	DRAW_FOREGROUND = 2
)

// ExchangeEvents
const (
	X_DRAG_ENTER = 0
	X_DRAG_LEAVE = 1
	X_DRAG       = 2
	X_DROP       = 3
)

// ExchangeDataType
const (
	EXF_UNDEFINED = 0
	EXF_TEXT      = 0x01 // FETCH_EXCHANGE_DATA will receive UTF8 encoded string - plain text
	EXF_HTML      = 0x02 // FETCH_EXCHANGE_DATA will receive UTF8 encoded string - html
	EXF_HYPERLINK = 0x04 // FETCH_EXCHANGE_DATA will receive UTF8 encoded string with pair url\0caption
	EXF_JSON      = 0x08 // FETCH_EXCHANGE_DATA will receive UTF8 encoded string with JSON literal
	EXF_FILE      = 0x10 // FETCH_EXCHANGE_DATA will receive UTF8 encoded list of file names separated by nulls
)

// ExchangeCommands
const (
	EXC_NONE = 0
	EXC_COPY = 1
	EXC_MOVE = 2
	EXC_LINK = 4
)

// BehaviorEvents
const (
	BUTTON_CLICK                 = 0              // click on button
	BUTTON_PRESS                 = 1              // mouse down or key down in button
	BUTTON_STATE_CHANGED         = 2              // checkbox/radio/slider changed its state/value
	EDIT_VALUE_CHANGING          = 3              // before text change
	EDIT_VALUE_CHANGED           = 4              // after text change
	SELECT_SELECTION_CHANGED     = 5              // selection in <select> changed
	SELECT_STATE_CHANGED         = 6              // node in select expanded/collapsed, heTarget is the node
	POPUP_REQUEST                = 7              // request to show popup just received
	POPUP_READY                  = 8              // popup element has been measured and ready to be shown on screen
	POPUP_DISMISSED              = 9              // popup element is closed
	MENU_ITEM_ACTIVE             = 0xA            // menu item activated by mouse hover or by keyboard
	MENU_ITEM_CLICK              = 0xB            // menu item click
	CONTEXT_MENU_SETUP           = 0xF            // evt.he is a menu dom element that is about to be shown
	CONTEXT_MENU_REQUEST         = 0x10           // "right-click"
	VISIUAL_STATUS_CHANGED       = 0x11           // broadcast notification, sent to all elements of some container being shown or hidden
	DISABLED_STATUS_CHANGED      = 0x12           // broadcast notification, sent to all elements of some container that got new value of :disabled state
	POPUP_DISMISSING             = 0x13           // popup is about to be closed
	HYPERLINK_CLICK              = 0x80           // hyperlink click
	TABLE_HEADER_CLICK           = 0x81           // click on some cell in table header
	TABLE_ROW_CLICK              = 0x82           // click on data row in the table, target is the row
	TABLE_ROW_DBL_CLICK          = 0x83           // mouse dbl click on data row in the table, target is the row
	ELEMENT_COLLAPSED            = 0x90           // element was collapsed
	ELEMENT_EXPANDED             = 0x91           // element was expanded
	ACTIVATE_CHILD               = 0x92           // activate (select) child
	DO_SWITCH_TAB                = ACTIVATE_CHILD // command to switch tab programmatically
	INIT_DATA_VIEW               = 0x93           // request to virtual grid to initialize its view
	ROWS_DATA_REQUEST            = 0x94           // request from virtual grid to data source behavior to fill data in the table
	UI_STATE_CHANGED             = 0x95           // ui state changed, observers shall update their visual states
	FORM_SUBMIT                  = 0x96           // behavior:form detected submission event
	FORM_RESET                   = 0x97           // behavior:form detected reset event
	DOCUMENT_COMPLETE            = 0x98           // behavior:frame have complete document
	HISTORY_PUSH                 = 0x99           // behavior:history stuff
	HISTORY_DROP                 = 0x9A
	HISTORY_PRIOR                = 0x9B
	HISTORY_NEXT                 = 0x9C
	HISTORY_STATE_CHANGED        = 0x9D  // behavior:history notification - history stack has changed
	CLOSE_POPUP                  = 0x9E  // close popup request
	REQUEST_TOOLTIP              = 0x9F  // request tooltip
	ANIMATION                    = 0xA0  // animation started (reason=1) or ended(reason=0) on the element
	FIRST_APPLICATION_EVENT_CODE = 0x100 // all custom event codes shall be greater than this number
)

// EventReason
const (
	BY_MOUSE_CLICK = 0
	BY_KEY_CLICK   = 1
	SYNTHESIZED    = 2 // synthesized, programmatically generated
)

// EditChangedReason
const (
	BY_INS_CHAR  = 3 // single char insertion
	BY_INS_CHARS = 4 // character range insertion, clipboard
	BY_DEL_CHAR  = 5 // single char deletion
	BY_DEL_CHARS = 6 // character range deletion (selection)
)

// BehaviorMethodIdentifiers
const (
	DO_CLICK                = 0
	GET_TEXT_VALUE          = 1
	SET_TEXT_VALUE          = 2
	TEXT_EDIT_GET_SELECTION = 3
	TEXT_EDIT_SET_SELECTION = 4
)

// HLDOM_RESULT
const (
	HLDOM_OK                = 0
	HLDOM_INVALID_HWND      = 1
	HLDOM_INVALID_HANDLE    = 2
	HLDOM_PASSIVE_HANDLE    = 3
	HLDOM_INVALID_PARAMETER = 4
	HLDOM_OPERATION_FAILED  = 5
	HLDOM_OK_NOT_HANDLED    = -1 // e.g. delayed
)

// HV_RESULT
const (
	HV_OK                = 0
	HV_BAD_PARAMETER     = 1
	HV_INCOMPATIBLE_TYPE = 2
	HV_OK_TRUE           = 0xffffffff
)

// ElementStates
const (
	STATE_LINK         = 0x00000001 // selector :link,    any element having href attribute
	STATE_HOVER        = 0x00000002 // selector :hover,   element is under the cursor, mouse hover
	STATE_ACTIVE       = 0x00000004 // selector :active,  element is activated, e.g. pressed
	STATE_FOCUS        = 0x00000008 // selector :focus,   element is in focus
	STATE_VISITED      = 0x00000010 // selector :visited, aux flag - not used internally now
	STATE_CURRENT      = 0x00000020 // selector :current, current item in collection, e.g. current <option> in <select>
	STATE_CHECKED      = 0x00000040 // selector :checked, element is checked (or selected), e.g. check box or itme in multiselect
	STATE_DISABLED     = 0x00000080 // selector :disabled, element is disabled, behavior related flag
	STATE_READONLY     = 0x00000100 // selector :read-only, element is read-only, behavior related flag
	STATE_EXPANDED     = 0x00000200 // selector :expanded, element is in expanded state - nodes in tree view e.g. <options> in <select>
	STATE_COLLAPSED    = 0x00000400 // selector :collapsed, mutually exclusive with EXPANDED
	STATE_INCOMPLETE   = 0x00000800 // selector :incomplete, element has images (back/fore/bullet) requested but not delivered
	STATE_ANIMATING    = 0x00001000 // selector :animating, is currently animating
	STATE_FOCUSABLE    = 0x00002000 // selector :focusable, shall accept focus
	STATE_ANCHOR       = 0x00004000 // selector :anchor, first element in selection (<select miltiple>), STATE_CURRENT is the current
	STATE_SYNTHETIC    = 0x00008000 // selector :synthetic, synthesized DOM elements - e.g. all missed cells in tables (<td>) are getting this flag
	STATE_OWNS_POPUP   = 0x00010000 // selector :owns-popup, anchor(owner) element of visible popup
	STATE_TABFOCUS     = 0x00020000 // selector :tab-focus, element got focus by tab traversal. engine set it together with :focus
	STATE_EMPTY        = 0x00040000 // selector :empty - element is empty
	STATE_BUSY         = 0x00080000 // selector :busy, element is busy
	STATE_DRAG_OVER    = 0x00100000 // drag over the block that can accept it (so is current drop target)
	STATE_DROP_TARGET  = 0x00200000 // active drop target
	STATE_MOVING       = 0x00400000 // dragging/moving - the flag is set for the moving element (copy of the drag-source)
	STATE_COPYING      = 0x00800000 // dragging/copying - the flag is set for the copying element (copy of the drag-source)
	STATE_DRAG_SOURCE  = 0x00C00000 // is set in element that is being dragged
	STATE_POPUP        = 0x40000000 // this element is in popup state and presented to the user - out of flow now
	STATE_PRESSED      = 0x04000000 // pressed - close to active but has wider life span
	STATE_HAS_CHILDREN = 0x02000000 // has more than one child
	STATE_HAS_CHILD    = 0x01000000 // has single child
	STATE_IS_LTR       = 0x20000000 // selector :ltr, the element or one of its nearest container has @dir and that dir has "ltr" value
	STATE_IS_RTL       = 0x10000000 // selector :rtl, the element or one of its nearest container has @dir and that dir has "rtl" value
)

// UpdateElementFlags
const (
	RESET_STYLE_THIS = 0x20   // reset styles - this may require if you have styles dependent from attributes
	RESET_STYLE_DEEP = 0x10   // use these flags after SetAttribute then
	MEASURE_INPLACE  = 0x0001 // use this flag if you do not expect any dimensional changes
	MEASURE_DEEP     = 0x0002 // use this flag if changes of some attributes/content may cause change of dimensions
	REDRAW_NOW       = 0x8000 // invoke ::UpdateWindow function after applying changes
)

// ElementAreas
const (
	ROOT_RELATIVE      = 0x01 // - or this flag if you want to get HTMLayout window relative coordinates
	SELF_RELATIVE      = 0x02 // - "or" this flag if you want to get coordinates relative to the origin
	CONTAINER_RELATIVE = 0x03 // - position inside immediate container
	VIEW_RELATIVE      = 0x04 // - position relative to view - HTMLayout window
	CONTENT_BOX        = 0x00 // content (inner)  box
	PADDING_BOX        = 0x10 // content + paddings
	BORDER_BOX         = 0x20 // content + paddings + border
	MARGIN_BOX         = 0x30 // content + paddings + border + margins
	BACK_IMAGE_AREA    = 0x40 // relative to content origin - location of background image (if it set no-repeat)
	FORE_IMAGE_AREA    = 0x50 // relative to content origin - location of foreground image (if it set no-repeat)
	SCROLLABLE_AREA    = 0x60 // scroll_area - scrollable area in content box
)

// ScrollFlags
const (
	SCROLL_TO_TOP = 0x01
	SCROLL_SMOOTH = 0x10
)

// HTMLayoutResourceType
const (
	HLRT_DATA_HTML   = 0
	HLRT_DATA_IMAGE  = 1
	HLRT_DATA_STYLE  = 2
	HLRT_DATA_CURSOR = 3
	HLRT_DATA_SCRIPT = 4
)

// HTMLayoutModes
const (
	HLM_LAYOUT_ONLY    = 0 // layout manager and renderer
	HLM_SHOW_SELECTION = 1 // layout manager and renderer + text selection and WM_COPY
)

// CursorType
const (
	CURSOR_ARROW       = 0
	CURSOR_IBEAM       = 1
	CURSOR_WAIT        = 2
	CURSOR_CROSS       = 3
	CURSOR_UPARROW     = 4
	CURSOR_SIZENWSE    = 5
	CURSOR_SIZENESW    = 6
	CURSOR_SIZEWE      = 7
	CURSOR_SIZENS      = 8
	CURSOR_SIZEALL     = 9
	CURSOR_NO          = 10
	CURSOR_APPSTARTING = 11
	CURSOR_HELP        = 12
	CURSOR_HAND        = 13
	CURSOR_DRAG_MOVE   = 14
	CURSOR_DRAG_COPY   = 15
)

// Constants
const (
	HWND_TRY_DEFAULT      = 0 // Create "default HTML control"
	HWND_DISCARD_CREATION = 1 // Do not create any controls
	LOAD_OK               = 0 // Use default loader or outData/outDataSize if they are set
	LOAD_DISCARD          = 1 // Do not load resource at all
)

// Content insertion locations
const (
	SIH_REPLACE_CONTENT   = 0
	SIH_INSERT_AT_START   = 1
	SIH_APPEND_AFTER_LAST = 2
	SOH_REPLACE           = 0
	SOH_INSERT_BEFORE     = 1
	SOH_INSERT_AFTER      = 2
)