sciter/capi/
scdef.rs

1//! Common Sciter declarations.
2
3#![allow(non_camel_case_types, non_snake_case)]
4#![allow(dead_code)]
5
6use capi::sctypes::*;
7use capi::scvalue::{VALUE};
8use capi::screquest::{HREQUEST};
9use capi::scdom::{HELEMENT};
10use capi::scapi::ISciterAPI;
11
12//////////////////////////////////////////////////////////////////////////////////
13pub enum ID2D1RenderTarget {}
14pub enum ID2D1Factory {}
15pub enum IDWriteFactory {}
16pub enum IDXGISwapChain {}
17pub enum IDXGISurface {}
18
19
20#[repr(C)]
21#[derive(Debug, PartialOrd, PartialEq)]
22/// `HostHandler::on_data_load()` result code.
23///
24/// This notification gives application a chance to override built-in loader and
25/// implement loading of resources in its own way (for example, images can be loaded from
26/// a database or other resource).
27pub enum LOAD_RESULT {
28	/// Do the default loading if data is not set.
29  LOAD_DEFAULT,
30  /// Discard the request completely (data will not be loaded at the document).
31  LOAD_DISCARD,
32  /// Data will be delivered later by the host application.
33  LOAD_DELAYED,
34  /// You return this result to indicate that your (the host) application took or
35  /// will take care about `HREQUEST` in your code completely.
36  LOAD_MYSELF,
37}
38
39/// Script runtime options.
40#[repr(C)]
41#[derive(Debug)]
42#[allow(missing_docs)]
43pub enum SCRIPT_RUNTIME_FEATURES
44{
45	ALLOW_FILE_IO = 0x1,
46	ALLOW_SOCKET_IO = 0x2,
47	ALLOW_EVAL = 0x4,
48	ALLOW_SYSINFO = 0x8,
49}
50
51/// Sciter graphics rendering backend.
52#[repr(C)]
53#[derive(Debug)]
54#[derive(Copy, Clone)]
55#[allow(missing_docs)]
56pub enum GFX_LAYER
57{
58	/// An auto-selected backend.
59	AUTO = 0xFFFF,
60
61	/// Depends on OS: GDI, Cairo or CoreGraphics.
62	CPU = 1,
63
64	/// A software rasterizer for Direct2D (Windows only).
65	#[cfg(windows)]
66	WARP = 2,
67
68	/// A hardware Direct2D mode (Windows only).
69	#[cfg(windows)]
70	D2D = 3,
71
72	/// Skia backend with CPU rasterization mode.
73	SKIA_CPU = 4,
74
75	/// Skia backend with OpenGL rendering.
76	SKIA_OPENGL = 5,
77}
78
79#[repr(C)]
80#[derive(Debug, PartialOrd, PartialEq)]
81/// Various Sciter engine options (global or per-window).
82pub enum SCITER_RT_OPTIONS
83{
84	/// value:TRUE - enable, value:FALSE - disable, enabled by default.
85  SCITER_SMOOTH_SCROLL = 1,
86  /// global; value: milliseconds, connection timeout of http client.
87  SCITER_CONNECTION_TIMEOUT = 2,
88  /// global; value: 0 - drop connection, 1 - use builtin dialog, 2 - accept connection silently.
89  SCITER_HTTPS_ERROR = 3,
90  /// value: 0 - system default, 1 - no smoothing, 2 - std smoothing, 3 - clear type.
91  SCITER_FONT_SMOOTHING = 4,
92	/// Windows Aero support, value:
93	/// 0 - normal drawing,
94	/// 1 - window has transparent background after calls `DwmExtendFrameIntoClientArea()` or `DwmEnableBlurBehindWindow()`.
95  SCITER_TRANSPARENT_WINDOW = 6,
96  /// global; value = LPCBYTE, json - GPU black list, see: gpu-blacklist.json resource.
97  /// Note: is not used since Sciter 4.
98  #[deprecated(since="4.0.1", note="This option isn't working since Sciter 4.0.1.1.")]
99  SCITER_SET_GPU_BLACKLIST  = 7,
100  /// global or per-window; value - combination of [SCRIPT_RUNTIME_FEATURES](enum.SCRIPT_RUNTIME_FEATURES.html) flags.
101  SCITER_SET_SCRIPT_RUNTIME_FEATURES = 8,
102  /// global (must be called before any window creation); value - [GFX_LAYER](enum.GFX_LAYER.html).
103  SCITER_SET_GFX_LAYER = 9,
104  /// global or per-window; value - TRUE/FALSE
105  SCITER_SET_DEBUG_MODE = 10,
106  /// global; value - BOOL, TRUE - the engine will use "unisex" theme that is common for all platforms.
107  /// That UX theme is not using OS primitives for rendering input elements.
108  /// Use it if you want exactly the same (modulo fonts) look-n-feel on all platforms.
109  SCITER_SET_UX_THEMING = 11,
110  /// value - TRUE/FALSE - window uses per pixel alpha (e.g. `WS_EX_LAYERED`/`UpdateLayeredWindow()` window).
111  SCITER_ALPHA_WINDOW  = 12,
112  /// global; value: UTF-8 encoded script source to be loaded into each view before any other script execution.
113	SCITER_SET_INIT_SCRIPT = 13,
114	/// per-window; value - TRUE/FALSE - window is main, will destroy all other dependent windows on close.
115	SCITER_SET_MAIN_WINDOW = 14,
116	/// global; value - max request length in megabytes (1024*1024 bytes).
117	SCITER_SET_MAX_HTTP_DATA_LENGTH = 15,
118	/// global or per-window; value 1 - 1px in CSS is treated as 1dip, value 0 - default behavior - 1px is a physical pixel.
119	SCITER_SET_PX_AS_DIP = 16,
120}
121
122/// Window flags
123#[repr(C)]
124pub enum SCITER_CREATE_WINDOW_FLAGS {
125	/// child window only, if this flag is set all other flags ignored.
126  SW_CHILD      = 1,
127  /// toplevel window, has titlebar.
128  SW_TITLEBAR   = 1 << 1,
129  /// has resizeable frame.
130  SW_RESIZEABLE = 1 << 2,
131  /// is tool window.
132  SW_TOOL       = 1 << 3,
133  /// has minimize / maximize buttons.
134  SW_CONTROLS   = 1 << 4,
135  /// glassy window - "Acrylic" on Windows and "Vibrant" on macOS.
136  SW_GLASSY     = 1 << 5,
137  /// transparent window (e.g. `WS_EX_LAYERED` on Windows, macOS is supported too).
138  SW_ALPHA      = 1 << 6,
139  /// main window of the app, will terminate the app on close.
140  SW_MAIN       = 1 << 7,
141  /// the window is created as topmost window.
142  SW_POPUP      = 1 << 8,
143  /// make this window inspector ready.
144  SW_ENABLE_DEBUG = 1 << 9,
145  /// it has its own script VM.
146  SW_OWNS_VM      = 1 << 10,
147}
148
149impl Default for SCITER_CREATE_WINDOW_FLAGS {
150	fn default() -> Self {
151		SCITER_CREATE_WINDOW_FLAGS::SW_CHILD
152	}
153}
154
155/// Flags can be OR'ed as `SW_MAIN|SW_ALPHA`.
156impl ::std::ops::BitOr for SCITER_CREATE_WINDOW_FLAGS {
157  type Output = SCITER_CREATE_WINDOW_FLAGS;
158  fn bitor(self, rhs: Self::Output) -> Self::Output {
159    let rn = (self as UINT) | (rhs as UINT);
160    unsafe { ::std::mem::transmute(rn) }
161  }
162}
163
164#[repr(C)]
165#[derive(Debug, PartialOrd, PartialEq)]
166pub enum SCITER_NOTIFICATION {
167  SC_LOAD_DATA = 1,
168  SC_DATA_LOADED = 2,
169  SC_ATTACH_BEHAVIOR = 4,
170  SC_ENGINE_DESTROYED = 5,
171  SC_POSTED_NOTIFICATION = 6,
172	SC_GRAPHICS_CRITICAL_FAILURE = 7,
173	SC_KEYBOARD_REQUEST = 8,
174	SC_INVALIDATE_RECT = 9,
175}
176
177#[repr(C)]
178#[derive(Debug, PartialEq)]
179/// The type of a loaded resource.
180pub enum RESOURCE_TYPE {
181	/// HTML document.
182	HTML = 0,
183	/// Image.
184	IMAGE = 1,
185	/// CSS.
186	STYLE = 2,
187	/// Mouse cursor image.
188	CURSOR = 3,
189	/// TIScript document.
190	SCRIPT = 4,
191	/// Any data.
192	RAW = 5,
193	/// Font.
194	FONT,
195	/// Sound (wav bytes).
196	SOUND,
197}
198
199/// The type of a loaded resource.
200pub type SCITER_RESOURCE_TYPE = RESOURCE_TYPE;
201
202
203#[repr(C)]
204#[derive(Debug)]
205/// Notifies that Sciter is about to download a referred resource.
206pub struct SCN_LOAD_DATA
207{
208	/// `SC_LOAD_DATA` here.
209  pub code: UINT,
210  /// `HWINDOW` of the window this callback was attached to.
211  pub hwnd: HWINDOW,
212
213  /// [in] Zero terminated string, fully qualified uri, for example, "http://server/folder/file.ext".
214  pub uri: LPCWSTR,
215
216  /// [in,out] pointer to loaded data to return. If data exists in the cache then this field contain pointer to it.
217  pub outData: LPCBYTE,
218  /// [in,out] loaded data size to return.
219  pub outDataSize: UINT,
220
221  /// [in] resource type category
222  pub dataType: RESOURCE_TYPE,
223
224  /// [in] request handle that can be used with Sciter request API.
225  pub request_id: HREQUEST,
226
227  /// [in] destination element for request.
228  pub principal: HELEMENT,
229  /// [in] source element for request.
230  pub initiator: HELEMENT,
231}
232
233#[repr(C)]
234#[derive(Debug)]
235/// This notification indicates that external data (for example, image) download process has been completed.
236pub struct SCN_DATA_LOADED
237{
238	/// `SC_DATA_LOADED` here.
239  pub code: UINT,
240  /// `HWINDOW` of the window this callback was attached to.
241  pub hwnd: HWINDOW,
242  /// [in] zero terminated string, fully qualified uri, for example, "http://server/folder/file.ext".
243  pub uri: LPCWSTR,
244  /// [in] pointer to loaded data.
245  pub data: LPCBYTE,
246  /// [in] loaded data size (in bytes).
247  pub dataSize: UINT,
248  /// [in] resource type category
249  pub dataType: RESOURCE_TYPE,
250  /// Download status code:
251  ///
252  /// * status = 0 and `dataSize == 0` - unknown error.
253  /// * status = 100..505 - http response status, note: 200 - OK!
254  /// * status > 12000 - wininet error code, see `ERROR_INTERNET_***` in wininet.h
255  pub status: UINT,
256}
257
258#[repr(C)]
259/// This notification is sent on parsing the document and while processing elements
260/// having non empty `behavior: ` style attribute value.
261pub struct SCN_ATTACH_BEHAVIOR
262{
263	/// `SC_ATTACH_BEHAVIOR` here.
264  pub code: UINT,
265  /// `HWINDOW` of the window this callback was attached to.
266  pub hwnd: HWINDOW,
267
268  /// [in] target DOM element handle
269  pub element: HELEMENT,
270  /// [in] zero terminated string, string appears as value of CSS `behavior: ` attribute.
271  pub name: LPCSTR,
272  /// [out] pointer to ElementEventProc function.
273  pub elementProc: ElementEventProc,
274  /// [out] tag value, passed as is into pointer ElementEventProc function.
275  pub elementTag: LPVOID,
276}
277
278#[repr(C)]
279/// This notification is issued when keyboard needs to be shown –
280/// mobiles can show soft keyboard by handling it.
281pub struct SCN_KEYBOARD_REQUEST
282{
283	/// `SC_KEYBOARD_REQUEST` here.
284  pub code: UINT,
285  /// `HWINDOW` of the window this callback was attached to.
286	pub hwnd: HWINDOW,
287
288	pub keyboard_mode: UINT,
289}
290
291#[repr(C)]
292/// This notification is sent when a specific window area
293/// needs to be redrawn.
294pub struct SCN_INVALIDATE_RECT
295{
296	/// `SC_INVALIDATE_RECT` here.
297  pub code: UINT,
298  /// `HWINDOW` of the window this callback was attached to.
299  pub hwnd: HWINDOW,
300
301	/// Coordinates of the invalidated area.
302	pub invalid_rect: RECT,
303}
304
305#[repr(C)]
306pub struct SCITER_CALLBACK_NOTIFICATION
307{
308	pub code: UINT,
309	pub hwnd: HWINDOW,
310}
311pub type LPSCITER_CALLBACK_NOTIFICATION = *mut SCITER_CALLBACK_NOTIFICATION;
312
313pub type SciterHostCallback = extern "system" fn (pns: LPSCITER_CALLBACK_NOTIFICATION, callbackParam: LPVOID) -> UINT;
314
315pub type SciterWindowDelegate = extern "system" fn (hwnd: HWINDOW, msg: UINT, wParam: WPARAM, lParam: LPARAM, pParam: LPVOID, handled: * mut BOOL) -> LRESULT;
316
317pub type ElementEventProc = extern "system" fn (tag: LPVOID, he: HELEMENT, evtg: UINT, prms: LPVOID) -> BOOL;
318
319#[repr(C)]
320#[derive(Debug, PartialOrd, PartialEq)]
321/// Debug output categories.
322pub enum OUTPUT_SUBSYTEMS
323{
324	/// html parser & runtime
325  DOM = 0,
326  /// csss! parser & runtime
327  CSSS,
328  /// css parser
329  CSS,
330  /// TIS parser & runtime
331  TIS,
332}
333
334#[repr(C)]
335#[derive(Debug, PartialOrd, PartialEq)]
336#[allow(missing_docs)]
337/// Debug output severity.
338pub enum OUTPUT_SEVERITY
339{
340  INFO,
341  WARNING,
342  ERROR,
343}
344
345pub type DEBUG_OUTPUT_PROC = extern "system" fn (param: LPVOID, subsystem: OUTPUT_SUBSYTEMS, severity: OUTPUT_SEVERITY, text: LPCWSTR, text_length: UINT);
346
347pub type LPCWSTR_RECEIVER = extern "system" fn (szstr: LPCWSTR, str_length: UINT, param: LPVOID);
348pub type LPCSTR_RECEIVER  = extern "system" fn (szstr: LPCSTR,  str_length: UINT, param: LPVOID);
349pub type LPCBYTE_RECEIVER = extern "system" fn (szstr: LPCBYTE, str_length: UINT, param: LPVOID);
350
351pub type ELEMENT_BITMAP_RECEIVER = extern "system" fn (rgba: LPCBYTE, x: INT, y: INT, width: UINT, height: UINT, param: LPVOID);
352
353pub type KeyValueCallback = extern "system" fn (param: LPVOID, pkey: *const VALUE, pval: *const VALUE) -> BOOL;
354
355/// Signature of Sciter extension library.
356///
357/// * `api` - Sciter API to be used inside the extension.
358/// * `exported` - extension object, it can be [asset](https://sciter.com/developers/for-native-gui-programmers/sciter-object-model/),
359/// function, or other `sciter::Value` supported type.
360///
361/// Return `true` if the `exported` object was initialized.
362///
363/// The extension should be placed in the same folder as "sciter.dll"
364/// and export a `SciterLibraryInit` function:
365///
366/// ```rust,no_run
367/// use sciter::types::{BOOL, VALUE};
368/// use sciter::Value;
369///
370/// #[no_mangle]
371/// pub extern "system"
372/// fn SciterLibraryInit(api: &'static sciter::ISciterAPI, exported: &mut VALUE) -> BOOL
373/// {
374///   sciter::set_host_api(api);
375///
376///   unimplemented!("export some extension functions");
377///
378///   true as BOOL
379/// }
380/// ```
381///
382/// In script such extension library can be imported as:
383///
384/// ```javascript
385/// const exported = include library "library-name";
386/// ```
387///
388/// See the [blog post](https://sciter.com/include-library-name-native-extensions/) for more details.
389///
390pub type SciterLibraryInit = extern "system" fn (api: &'static ISciterAPI, exported: &mut VALUE) -> BOOL;