diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/lib.rs | 82 | ||||
-rw-r--r-- | src/osx/mod.rs | 34 | ||||
-rw-r--r-- | src/win32/init.rs | 40 | ||||
-rw-r--r-- | src/win32/mod.rs | 39 | ||||
-rw-r--r-- | src/x11/ffi.rs | 24 | ||||
-rw-r--r-- | src/x11/headless.rs | 47 | ||||
-rw-r--r-- | src/x11/mod.rs | 502 | ||||
-rw-r--r-- | src/x11/window/events.rs (renamed from src/x11/events.rs) | 2 | ||||
-rw-r--r-- | src/x11/window/mod.rs | 499 | ||||
-rw-r--r-- | src/x11/window/monitor.rs (renamed from src/x11/monitor.rs) | 2 |
10 files changed, 755 insertions, 516 deletions
@@ -1,3 +1,4 @@ +#![feature(tuple_indexing)] #![feature(unsafe_destructor)] #![feature(globs)] #![feature(phase)] @@ -17,6 +18,16 @@ //! //! The second way allows you to customize the way your window and GL context //! will look and behave. +//! +//! # Features +//! +//! This crate has two Cargo features: `window` and `headless`. +//! +//! - `window` allows you to create regular windows and enables the `WindowBuilder` object. +//! - `headless` allows you to do headless rendering, and enables +//! the `HeadlessRendererBuilder` object. +//! +//! By default only `window` is enabled. #[phase(plugin)] extern crate compile_msg; #[phase(plugin)] extern crate gl_generator; @@ -55,9 +66,11 @@ mod events; compile_error!("Only the `windows`, `linux` and `macos` platforms are supported") /// Identifier for a monitor. +#[cfg(feature = "window")] pub struct MonitorID(winimpl::MonitorID); /// Object that allows you to build windows. +#[cfg(feature = "window")] pub struct WindowBuilder { dimensions: Option<(uint, uint)>, title: String, @@ -65,6 +78,7 @@ pub struct WindowBuilder { gl_version: Option<(uint, uint)>, } +#[cfg(feature = "window")] impl WindowBuilder { /// Initializes a new `WindowBuilder` with default values. pub fn new() -> WindowBuilder { @@ -128,6 +142,41 @@ impl WindowBuilder { } } +/// Object that allows you to build headless contexts. +#[cfg(feature = "headless")] +pub struct HeadlessRendererBuilder { + dimensions: (uint, uint), + gl_version: Option<(uint, uint)>, +} + +#[cfg(feature = "headless")] +impl HeadlessRendererBuilder { + /// Initializes a new `HeadlessRendererBuilder` with default values. + pub fn new(width: uint, height: uint) -> HeadlessRendererBuilder { + HeadlessRendererBuilder { + dimensions: (width, height), + gl_version: None, + } + } + + /// Requests to use a specific OpenGL version. + /// + /// Version is a (major, minor) pair. For example to request OpenGL 3.3 + /// you would pass `(3, 3)`. + pub fn with_gl_version(mut self, version: (uint, uint)) -> HeadlessRendererBuilder { + self.gl_version = Some(version); + self + } + + /// Builds the headless context. + /// + /// Error should be very rare and only occur in case of permission denied, incompatible system, + /// out of memory, etc. + pub fn build(self) -> Result<HeadlessContext, String> { + winimpl::HeadlessContext::new(self).map(|w| HeadlessContext { context: w }) + } +} + /// Represents an OpenGL context and the Window or environment around it. /// /// # Example @@ -150,16 +199,19 @@ impl WindowBuilder { /// std::io::timer::sleep(17); /// } /// ``` +#[cfg(feature = "window")] pub struct Window { window: winimpl::Window, } +#[cfg(feature = "window")] impl Default for Window { fn default() -> Window { Window::new().unwrap() } } +#[cfg(feature = "window")] impl Window { /// Creates a new OpenGL context, and a Window for platforms where this is appropriate. /// @@ -168,6 +220,7 @@ impl Window { /// Error should be very rare and only occur in case of permission denied, incompatible system, /// out of memory, etc. #[inline] + #[cfg(feature = "window")] pub fn new() -> Result<Window, String> { let builder = WindowBuilder::new(); builder.build() @@ -295,6 +348,30 @@ impl Window { } } +/// Represents a headless OpenGL context. +#[cfg(feature = "headless")] +pub struct HeadlessContext { + context: winimpl::HeadlessContext, +} + +#[cfg(feature = "headless")] +impl HeadlessContext { + /// Creates a new OpenGL context + /// Sets the context as the current context. + #[inline] + pub unsafe fn make_current(&self) { + self.context.make_current() + } + + /// Returns the address of an OpenGL function. + /// + /// Contrary to `wglGetProcAddress`, all available OpenGL functions return an address. + #[inline] + pub fn get_proc_address(&self, addr: &str) -> *const libc::c_void { + self.context.get_proc_address(addr) as *const libc::c_void + } +} + /// An iterator for the `poll_events` function. // Implementation note: we retreive the list once, then serve each element by one by one. // This may change in the future. @@ -324,10 +401,12 @@ impl<'a> Iterator<Event> for WaitEventsIterator<'a> { /// An iterator for the list of available monitors. // Implementation note: we retreive the list once, then serve each element by one by one. // This may change in the future. +#[cfg(feature = "window")] pub struct AvailableMonitorsIter { data: Vec<winimpl::MonitorID>, } +#[cfg(feature = "window")] impl Iterator<MonitorID> for AvailableMonitorsIter { fn next(&mut self) -> Option<MonitorID> { self.data.remove(0).map(|id| MonitorID(id)) @@ -335,16 +414,19 @@ impl Iterator<MonitorID> for AvailableMonitorsIter { } /// Returns the list of all available monitors. +#[cfg(feature = "window")] pub fn get_available_monitors() -> AvailableMonitorsIter { let data = winimpl::get_available_monitors(); AvailableMonitorsIter{ data: data } } /// Returns the primary monitor of the system. +#[cfg(feature = "window")] pub fn get_primary_monitor() -> MonitorID { MonitorID(winimpl::get_primary_monitor()) } +#[cfg(feature = "window")] impl MonitorID { /// Returns a human-readable name of the monitor. pub fn get_name(&self) -> Option<String> { diff --git a/src/osx/mod.rs b/src/osx/mod.rs index d41c9c7..78d147f 100644 --- a/src/osx/mod.rs +++ b/src/osx/mod.rs @@ -1,4 +1,10 @@ -use {Event, WindowBuilder}; +use Event; + +#[cfg(feature = "window")] +use WindowBuilder; + +#[cfg(feature = "headless")] +use HeadlessRendererBuilder; use cocoa::base::{id, NSUInteger, nil}; use cocoa::appkit::*; @@ -11,6 +17,14 @@ pub struct Window { context: id, } +pub struct HeadlessContext(Window); + +impl Deref<Window> for HeadlessContext { + fn deref(&self) -> &Window { + &self.0 + } +} + pub struct MonitorID; pub fn get_available_monitors() -> Vec<MonitorID> { @@ -31,14 +45,28 @@ impl MonitorID { } } +#[cfg(feature = "window")] impl Window { - pub fn new(_builder: WindowBuilder) -> Result<Window, String> { + pub fn new(builder: WindowBuilder) -> Result<Window, String> { + Window::new_impl(builder.dimensions, builder.title.as_slice(), true) + } +} + +#[cfg(feature = "headless")] +impl HeadlessContext { + pub fn new(builder: HeadlessRendererBuilder) -> Result<HeadlessContext, String> { + Window::new_impl(Some(builder.dimensions), "", false) + .map(|w| HeadlessContext(w)) + } +} +impl Window { + fn new_impl(dimensions: Option<(uint, uint)>, title: &str, visible: bool) -> Result<Window, String> { let app = match Window::create_app() { Some(app) => app, None => { return Err(format!("Couldn't create NSApplication")); }, }; - let window = match Window::create_window(_builder.dimensions.unwrap_or((800, 600)), _builder.title.as_slice()) { + let window = match Window::create_window(dimensions.unwrap_or((800, 600)), title) { Some(window) => window, None => { return Err(format!("Couldn't create NSWindow")); }, }; diff --git a/src/win32/init.rs b/src/win32/init.rs index 7ad4dca..740bc02 100644 --- a/src/win32/init.rs +++ b/src/win32/init.rs @@ -6,7 +6,7 @@ use std::sync::atomics::AtomicBool; use std::ptr; use super::{event, ffi}; use super::Window; -use {Event, WindowBuilder}; +use Event; /// Stores the current window and its events dispatcher. /// @@ -14,12 +14,16 @@ use {Event, WindowBuilder}; /// receive an event for another window. local_data_key!(WINDOW: (ffi::HWND, Sender<Event>)) -pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { +pub fn new_window(builder_dimensions: Option<(uint, uint)>, builder_title: String, + builder_monitor: Option<super::MonitorID>, + builder_gl_version: Option<(uint, uint)>, + builder_headless: bool) -> Result<Window, String> +{ use std::mem; use std::os; // initializing variables to be sent to the task - let title = builder.title.as_slice().utf16_units() + let title = builder_title.as_slice().utf16_units() .collect::<Vec<u16>>().append_one(0); // title to utf16 //let hints = hints.clone(); let (tx, rx) = channel(); @@ -59,15 +63,15 @@ pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { // building a RECT object with coordinates let mut rect = ffi::RECT { - left: 0, right: builder.dimensions.unwrap_or((1024, 768)).val0() as ffi::LONG, - top: 0, bottom: builder.dimensions.unwrap_or((1024, 768)).val1() as ffi::LONG, + left: 0, right: builder_dimensions.unwrap_or((1024, 768)).val0() as ffi::LONG, + top: 0, bottom: builder_dimensions.unwrap_or((1024, 768)).val1() as ffi::LONG, }; // switching to fullscreen if necessary // this means adjusting the window's position so that it overlaps the right monitor, // and change the monitor's resolution if necessary - if builder.monitor.is_some() { - let monitor = builder.monitor.as_ref().unwrap(); + if builder_monitor.is_some() { + let monitor = builder_monitor.as_ref().unwrap(); // adjusting the rect { @@ -96,7 +100,7 @@ pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { } // computing the style and extended style of the window - let (ex_style, style) = if builder.monitor.is_some() { + let (ex_style, style) = if builder_monitor.is_some() { (ffi::WS_EX_APPWINDOW, ffi::WS_POPUP | ffi::WS_CLIPSIBLINGS | ffi::WS_CLIPCHILDREN) } else { (ffi::WS_EX_APPWINDOW | ffi::WS_EX_WINDOWEDGE, @@ -227,17 +231,23 @@ pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { // creating the real window this time let real_window = unsafe { - let (width, height) = if builder.monitor.is_some() || builder.dimensions.is_some() { + let (width, height) = if builder_monitor.is_some() || builder_dimensions.is_some() { (Some(rect.right - rect.left), Some(rect.bottom - rect.top)) } else { (None, None) }; + let style = if builder_headless { + style + } else { + style | ffi::WS_VISIBLE + }; + let handle = ffi::CreateWindowExW(ex_style, class_name.as_ptr(), title.as_ptr() as ffi::LPCWSTR, - style | ffi::WS_VISIBLE | ffi::WS_CLIPSIBLINGS | ffi::WS_CLIPCHILDREN, - if builder.monitor.is_some() { 0 } else { ffi::CW_USEDEFAULT }, - if builder.monitor.is_some() { 0 } else { ffi::CW_USEDEFAULT }, + style | ffi::WS_CLIPSIBLINGS | ffi::WS_CLIPCHILDREN, + if builder_monitor.is_some() { 0 } else { ffi::CW_USEDEFAULT }, + if builder_monitor.is_some() { 0 } else { ffi::CW_USEDEFAULT }, width.unwrap_or(ffi::CW_USEDEFAULT), height.unwrap_or(ffi::CW_USEDEFAULT), ptr::null(), ptr::null(), ffi::GetModuleHandleW(ptr::null()), ptr::null_mut()); @@ -280,8 +290,8 @@ pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { let mut attributes = Vec::new(); - if builder.gl_version.is_some() { - let version = builder.gl_version.as_ref().unwrap(); + if builder_gl_version.is_some() { + let version = builder_gl_version.as_ref().unwrap(); attributes.push(ffi::wgl_extra::CONTEXT_MAJOR_VERSION_ARB as libc::c_int); attributes.push(version.val0() as libc::c_int); attributes.push(ffi::wgl_extra::CONTEXT_MINOR_VERSION_ARB as libc::c_int); @@ -310,7 +320,7 @@ pub fn new_window(builder: WindowBuilder) -> Result<Window, String> { }; // calling SetForegroundWindow if fullscreen - if builder.monitor.is_some() { + if builder_monitor.is_some() { unsafe { ffi::SetForegroundWindow(real_window) }; } diff --git a/src/win32/mod.rs b/src/win32/mod.rs index faff374..af28011 100644 --- a/src/win32/mod.rs +++ b/src/win32/mod.rs @@ -1,6 +1,12 @@ use std::sync::atomics::AtomicBool; use std::ptr; -use {Event, WindowBuilder}; +use Event; + +#[cfg(feature = "window")] +use WindowBuilder; + +#[cfg(feature = "headless")] +use HeadlessRendererBuilder; pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor}; @@ -9,6 +15,30 @@ mod ffi; mod init; mod monitor; +/// +#[cfg(feature = "headless")] +pub struct HeadlessContext(Window); + +#[cfg(feature = "headless")] +impl HeadlessContext { + /// See the docs in the crate root file. + pub fn new(builder: HeadlessRendererBuilder) -> Result<HeadlessContext, String> { + let HeadlessRendererBuilder { dimensions, gl_version } = builder; + init::new_window(Some(dimensions), "".to_string(), None, gl_version, true) + .map(|w| HeadlessContext(w)) + } + + /// See the docs in the crate root file. + pub unsafe fn make_current(&self) { + self.0.make_current() + } + + /// See the docs in the crate root file. + pub fn get_proc_address(&self, addr: &str) -> *const () { + self.0.get_proc_address(addr) + } +} + /// The Win32 implementation of the main `Window` object. pub struct Window { /// Main handle for the window. @@ -33,12 +63,16 @@ pub struct Window { is_closed: AtomicBool, } +#[cfg(feature = "window")] impl Window { /// See the docs in the crate root file. pub fn new(builder: WindowBuilder) -> Result<Window, String> { - init::new_window(builder) + let WindowBuilder { dimensions, title, monitor, gl_version } = builder; + init::new_window(dimensions, title, monitor, gl_version, false) } +} +impl Window { /// See the docs in the crate root file. pub fn is_closed(&self) -> bool { use std::sync::atomics::Relaxed; @@ -200,6 +234,7 @@ impl Window { } } +#[cfg(feature = "window")] #[unsafe_destructor] impl Drop for Window { fn drop(&mut self) { diff --git a/src/x11/ffi.rs b/src/x11/ffi.rs index 1f72943..71a6cd9 100644 --- a/src/x11/ffi.rs +++ b/src/x11/ffi.rs @@ -20,6 +20,7 @@ pub type GLXPixmap = XID; pub type GLXWindow = XID; pub type KeyCode = libc::c_ulong; pub type KeySym = XID; +pub type OSMesaContext = *const (); pub type Pixmap = XID; pub type Status = libc::c_int; // TODO: not sure pub type Time = libc::c_ulong; @@ -1356,6 +1357,29 @@ pub struct XF86VidModeModeInfo { private: libc::c_long, } +#[cfg(feature = "headless")] +#[link(name = "OSMesa")] +extern "C" { + pub fn OSMesaCreateContext(format: libc::c_uint, sharelist: OSMesaContext) -> OSMesaContext; + pub fn OSMesaCreateContextExt(format: libc::c_uint, depthBits: libc::c_int, + stencilBits: libc::c_int, accumBits: libc::c_int, sharelist: OSMesaContext) + -> OSMesaContext; + pub fn OSMesaDestroyContext(ctx: OSMesaContext); + pub fn OSMesaMakeCurrent(ctx: OSMesaContext, buffer: *mut libc::c_void, type_: libc::c_uint, + width: libc::c_int, height: libc::c_int) -> libc::c_uchar; + pub fn OSMesaGetCurrentContext() -> OSMesaContext; + pub fn OSMesaPixelStore(pname: libc::c_int, value: libc::c_int); + pub fn OSMesaGetIntegerv(pname: libc::c_int, value: *mut libc::c_int); + pub fn OSMesaGetDepthBuffer(c: OSMesaContext, width: *mut libc::c_int, + height: *mut libc::c_int, bytesPerValue: *mut libc::c_int, + buffer: *mut *mut libc::c_void); + pub fn OSMesaGetColorBuffer(c: OSMesaContext, width: *mut libc::c_int, + height: *mut libc::c_int, format: *mut libc::c_int, buffer: *mut *mut libc::c_void); + pub fn OSMesaGetProcAddress(funcName: *const libc::c_char) -> *const libc::c_void; + pub fn OSMesaColorClamp(enable: libc::c_uchar); +} + +#[cfg(feature = "window")] #[link(name = "GL")] #[link(name = "X11")] #[link(name = "Xxf86vm")] diff --git a/src/x11/headless.rs b/src/x11/headless.rs new file mode 100644 index 0000000..4f4eb16 --- /dev/null +++ b/src/x11/headless.rs @@ -0,0 +1,47 @@ +use HeadlessRendererBuilder; +use libc; +use std::{mem, ptr}; +use super::ffi; + +pub struct HeadlessContext { + context: ffi::OSMesaContext, + buffer: Vec<u32>, + width: uint, + height: uint, +} + +impl HeadlessContext { + pub fn new(builder: HeadlessRendererBuilder) -> Result<HeadlessContext, String> { + Ok(HeadlessContext { + width: builder.dimensions.0, + height: builder.dimensions.1, + buffer: Vec::from_elem(builder.dimensions.0 * builder.dimensions.1, unsafe { mem::uninitialized() }), + context: unsafe { + // TODO: check errors + ffi::OSMesaCreateContext(0x1908, ptr::null()) + } + }) + } + + pub unsafe fn make_current(&self) { + ffi::OSMesaMakeCurrent(self.context, + self.buffer.as_ptr() as *mut libc::c_void, + 0x1401, self.width as libc::c_int, self.height as libc::c_int); + } + + pub fn get_proc_address(&self, addr: &str) -> *const () { + use std::c_str::ToCStr; + + unsafe { + addr.with_c_str(|s| { + ffi::OSMesaGetProcAddress(mem::transmute(s)) as *const () + }) + } + } +} + +impl Drop for HeadlessContext { + fn drop(&mut self) { + unsafe { ffi::OSMesaDestroyContext(self.context) } + } +} diff --git a/src/x11/mod.rs b/src/x11/mod.rs index 80a84f7..9d9d25c 100644 --- a/src/x11/mod.rs +++ b/src/x11/mod.rs @@ -1,499 +1,13 @@ -use {Event, WindowBuilder}; -use libc; -use std::{mem, ptr}; -use std::sync::atomics::AtomicBool; +#[cfg(feature = "headless")] +pub use self::headless::HeadlessContext; -pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor}; +#[cfg(feature = "window")] +pub use self::window::{Window, MonitorID, get_available_monitors, get_primary_monitor}; -mod events; mod ffi; -mod monitor; -pub struct Window { - display: *mut ffi::Display, - window: ffi::Window, - im: ffi::XIM, - ic: ffi::XIC, - context: ffi::GLXContext, - is_closed: AtomicBool, - wm_delete_window: ffi::Atom, - xf86_desk_mode: *mut ffi::XF86VidModeModeInfo, - screen_id: libc::c_int, - is_fullscreen: bool, -} +#[cfg(feature = "headless")] +mod headless; -impl Window { - pub fn new(builder: WindowBuilder) -> Result<Window, String> { - let dimensions = builder.dimensions.unwrap_or((800, 600)); - - // calling XOpenDisplay - let display = unsafe { - let display = ffi::XOpenDisplay(ptr::null()); - if display.is_null() { - return Err(format!("XOpenDisplay failed")); - } - display - }; - - let screen_id = match builder.monitor { - Some(MonitorID(monitor)) => monitor as i32, - None => unsafe { ffi::XDefaultScreen(display) }, - }; - - // getting the FBConfig - let fb_config = unsafe { - static VISUAL_ATTRIBUTES: [libc::c_int, ..23] = [ - ffi::GLX_X_RENDERABLE, 1, - ffi::GLX_DRAWABLE_TYPE, ffi::GLX_WINDOW_BIT, - ffi::GLX_RENDER_TYPE, ffi::GLX_RGBA_BIT, - ffi::GLX_X_VISUAL_TYPE, ffi::GLX_TRUE_COLOR, - ffi::GLX_RED_SIZE, 8, - ffi::GLX_GREEN_SIZE, 8, - ffi::GLX_BLUE_SIZE, 8, - ffi::GLX_ALPHA_SIZE, 8, - ffi::GLX_DEPTH_SIZE, 24, - ffi::GLX_STENCIL_SIZE, 8, - ffi::GLX_DOUBLEBUFFER, 1, - 0 - ]; - - let mut num_fb: libc::c_int = mem::uninitialized(); - - let fb = ffi::glXChooseFBConfig(display, ffi::XDefaultScreen(display), - VISUAL_ATTRIBUTES.as_ptr(), &mut num_fb); - if fb.is_null() { - return Err(format!("glXChooseFBConfig failed")); - } - let preferred_fb = *fb; // TODO: choose more wisely - ffi::XFree(fb as *const libc::c_void); - preferred_fb - }; - - let mut best_mode = -1; - let modes = unsafe { - let mut mode_num: libc::c_int = mem::uninitialized(); - let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized(); - if ffi::XF86VidModeGetAllModeLines(display, screen_id, &mut mode_num, &mut modes) == 0 { - return Err(format!("Could not query the video modes")); - } - - for i in range(0, mode_num) { - let mode: ffi::XF86VidModeModeInfo = **modes.offset(i as int); - if mode.hdisplay == dimensions.val0() as u16 && mode.vdisplay == dimensions.val1() as u16 { - best_mode = i; - } - }; - if best_mode == -1 { - return Err(format!("Could not find a suitable graphics mode")); - } - - modes - }; - - let xf86_desk_mode = unsafe { - *modes.offset(0) - }; - - // getting the visual infos - let visual_infos = unsafe { - let vi = ffi::glXGetVisualFromFBConfig(display, fb_config); - if vi.is_null() { - return Err(format!("glXChooseVisual failed")); - } - let vi_copy = *vi; - ffi::XFree(vi as *const libc::c_void); - vi_copy - }; - - // getting the root window - let root = unsafe { ffi::XDefaultRootWindow(display) }; - - // creating the color map - let cmap = unsafe { - let cmap = ffi::XCreateColormap(display, root, - visual_infos.visual, ffi::AllocNone); - // TODO: error checking? - cmap - }; - - // creating - let mut set_win_attr = { - let mut swa: ffi::XSetWindowAttributes = unsafe { mem::zeroed() }; - swa.colormap = cmap; - swa.event_mask = ffi::ExposureMask | ffi::ResizeRedirectMask | - ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask | - ffi::KeyReleaseMask | ffi::ButtonPressMask | - ffi::ButtonReleaseMask | ffi::KeymapStateMask; - swa.border_pixel = 0; - swa.override_redirect = 0; - swa - }; - - let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi:: CWEventMask; - if builder.monitor.is_some() { - window_attributes |= ffi::CWOverrideRedirect; - unsafe { - ffi::XF86VidModeSwitchToMode(display, screen_id, *modes.offset(best_mode as int)); - ffi::XF86VidModeSetViewPort(display, screen_id, 0, 0); - set_win_attr.override_redirect = 1; - } - } - - // finally creating the window - let window = unsafe { - let win = ffi::XCreateWindow(display, root, 0, 0, dimensions.val0() as libc::c_uint, - dimensions.val1() as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput, - visual_infos.visual, window_attributes, - &mut set_win_attr); - win - }; - - // creating window, step 2 - let wm_delete_window = unsafe { - use std::c_str::ToCStr; - - ffi::XMapWindow(display, window); - let mut wm_delete_window = ffi::XInternAtom(display, - "WM_DELETE_WINDOW".to_c_str().as_ptr() as *const libc::c_char, 0); - ffi::XSetWMProtocols(display, window, &mut wm_delete_window, 1); - ffi::XStoreName(display, window, mem::transmute(builder.title.as_slice().as_ptr())); - ffi::XFlush(display); - - wm_delete_window - }; - - // getting the pointer to glXCreateContextAttribs - let create_context_attribs = unsafe { - let mut addr = ffi::glXGetProcAddress(b"glXCreateContextAttribs".as_ptr() - as *const u8) as *const (); - - if addr.is_null() { - addr = ffi::glXGetProcAddress(b"glXCreateContextAttribsARB".as_ptr() - as *const u8) as *const (); - } - - addr.as_ref().map(|addr| { - let addr: extern "system" fn(*mut ffi::Display, ffi::GLXFBConfig, ffi::GLXContext, - ffi::Bool, *const libc::c_int) -> ffi::GLXContext = mem::transmute(addr); - addr - }) - }; - - // creating IM - let im = unsafe { - let im = ffi::XOpenIM(display, ptr::null(), ptr::null_mut(), ptr::null_mut()); - if im.is_null() { - return Err(format!("XOpenIM failed")); - } - im - }; - - // creating input context - let ic = unsafe { - use std::c_str::ToCStr; - - let ic = ffi::XCreateIC(im, "inputStyle".to_c_str().as_ptr(), - ffi::XIMPreeditNothing | ffi::XIMStatusNothing, "clientWindow".to_c_str().as_ptr(), - window, ptr::null()); - if ic.is_null() { - return Err(format!("XCreateIC failed")); - } - ffi::XSetICFocus(ic); - ic - }; - - // Attempt to make keyboard input repeat detectable - unsafe { - let mut supported_ptr = false; - ffi::XkbSetDetectableAutoRepeat(display, true, &mut supported_ptr); - if !supported_ptr { - return Err(format!("XkbSetDetectableAutoRepeat failed")); - } - } - - - // creating GL context - let context = unsafe { - let mut attributes = Vec::new(); - - if builder.gl_version.is_some() { - let version = builder.gl_version.as_ref().unwrap(); - attributes.push(ffi::GLX_CONTEXT_MAJOR_VERSION); - attributes.push(version.val0() as libc::c_int); - attributes.push(ffi::GLX_CONTEXT_MINOR_VERSION); - attributes.push(version.val1() as libc::c_int); - } - - attributes.push(0); - - let context = if create_context_attribs.is_some() { - let create_context_attribs = create_context_attribs.unwrap(); - create_context_attribs(display, fb_config, ptr::null(), 1, - attributes.as_ptr()) - } else { - ffi::glXCreateContext(display, &visual_infos, ptr::null(), 1) - }; - - if context.is_null() { - return Err(format!("GL context creation failed")); - } - - context - }; - - // creating the window object - let window = Window { - display: display, - window: window, - im: im, - ic: ic, - context: context, - is_closed: AtomicBool::new(false), - wm_delete_window: wm_delete_window, - xf86_desk_mode: xf86_desk_mode, - screen_id: screen_id, - is_fullscreen: builder.monitor.is_some(), - }; - - // calling glViewport - unsafe { - let ptr = window.get_proc_address("glViewport"); - assert!(!ptr.is_null()); - let ptr: extern "system" fn(libc::c_int, libc::c_int, libc::c_int, libc::c_int) = - mem::transmute(ptr); - let dimensions = window.get_inner_size().unwrap(); - ptr(0, 0, dimensions.val0() as libc::c_int, dimensions.val1() as libc::c_int); - } - - // returning - Ok(window) - } - - pub fn is_closed(&self) -> bool { - use std::sync::atomics::Relaxed; - self.is_closed.load(Relaxed) - } - - pub fn set_title(&self, title: &str) { - unsafe { - ffi::XStoreName(self.display, self.window, - mem::transmute(title.as_slice().as_ptr())); - } - } - - fn get_geometry(&self) -> Option<(int, int, uint, uint)> { - unsafe { - use std::mem; - - let mut root: ffi::Window = mem::uninitialized(); - let mut x: libc::c_int = mem::uninitialized(); - let mut y: libc::c_int = mem::uninitialized(); - let mut width: libc::c_uint = mem::uninitialized(); - let mut height: libc::c_uint = mem::uninitialized(); - let mut border: libc::c_uint = mem::uninitialized(); - let mut depth: libc::c_uint = mem::uninitialized(); - - if ffi::XGetGeometry(self.display, self.window, - &mut root, &mut x, &mut y, &mut width, &mut height, - &mut border, &mut depth) == 0 - { - return None; - } - - Some((x as int, y as int, width as uint, height as uint)) - } - } - - pub fn get_position(&self) -> Option<(int, int)> { - self.get_geometry().map(|(x, y, _, _)| (x, y)) - } - - pub fn set_position(&self, x: int, y: int) { - unsafe { ffi::XMoveWindow(self.display, self.window, x as libc::c_int, y as libc::c_int) } - } - - pub fn get_inner_size(&self) -> Option<(uint, uint)> { - self.get_geometry().map(|(_, _, w, h)| (w, h)) - } - - pub fn get_outer_size(&self) -> Option<(uint, uint)> { - unimplemented!() - } - - pub fn set_inner_size(&self, _x: uint, _y: uint) { - unimplemented!() - } - - pub fn poll_events(&self) -> Vec<Event> { - use std::mem; - - let mut events = Vec::new(); - - loop { - use std::num::Bounded; - - let mut xev = unsafe { mem::uninitialized() }; - let res = unsafe { ffi::XCheckMaskEvent(self.display, Bounded::max_value(), &mut xev) }; - - if res == 0 { - let res = unsafe { ffi::XCheckTypedEvent(self.display, ffi::ClientMessage, &mut xev) }; - - if res == 0 { - break - } - } - - match xev.type_ { - ffi::KeymapNotify => { - unsafe { ffi::XRefreshKeyboardMapping(&xev) } - }, - - ffi::ClientMessage => { - use Closed; - use std::sync::atomics::Relaxed; - - let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) }; - - if client_msg.l[0] == self.wm_delete_window as libc::c_long { - self.is_closed.store(true, Relaxed); - events.push(Closed); - } - }, - - ffi::ResizeRequest => { - use Resized; - let rs_event: &ffi::XResizeRequestEvent = unsafe { mem::transmute(&xev) }; - events.push(Resized(rs_event.width as uint, rs_event.height as uint)); - }, - - ffi::MotionNotify => { - use MouseMoved; - let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) }; - events.push(MouseMoved((event.x as int, event.y as int))); - }, - - ffi::KeyPress | ffi::KeyRelease => { - use {KeyboardInput, Pressed, Released, ReceivedCharacter, KeyModifiers}; - let event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&xev) }; - - if event.type_ == ffi::KeyPress { - let raw_ev: *mut ffi::XKeyEvent = event; - unsafe { ffi::XFilterEvent(mem::transmute(raw_ev), self.window) }; - } - - let state = if xev.type_ == ffi::KeyPress { Pressed } else { Released }; - - let written = unsafe { - use std::str; - - let mut buffer: [u8, ..16] = [mem::uninitialized(), ..16]; - let raw_ev: *mut ffi::XKeyEvent = event; - let count = ffi::Xutf8LookupString(self.ic, mem::transmute(raw_ev), - mem::transmute(buffer.as_mut_ptr()), - buffer.len() as libc::c_int, ptr::null_mut(), ptr::null_mut()); - - str::from_utf8(buffer.as_slice().slice_to(count as uint)) - .unwrap_or("").to_string() - }; - - for chr in written.as_slice().chars() { - events.push(ReceivedCharacter(chr)); - } - - let keysym = unsafe { - ffi::XKeycodeToKeysym(self.display, event.keycode as ffi::KeyCode, 0) - }; - - let vkey = events::keycode_to_element(keysym as libc::c_uint); - - events.push(KeyboardInput(state, event.keycode as u8, - vkey, KeyModifiers::empty())); - // - }, - - ffi::ButtonPress | ffi::ButtonRelease => { - use {MouseInput, Pressed, Released}; - use {LeftMouseButton, RightMouseButton, MiddleMouseButton, OtherMouseButton}; - let event: &ffi::XButtonEvent = unsafe { mem::transmute(&xev) }; - - let state = if xev.type_ == ffi::ButtonPress { Pressed } else { Released }; - - let button = match event.button { - ffi::Button1 => Some(LeftMouseButton), - ffi::Button2 => Some(MiddleMouseButton), - ffi::Button3 => Some(RightMouseButton), - ffi::Button4 => Some(OtherMouseButton(4)), - ffi::Button5 => Some(OtherMouseButton(5)), - _ => None - }; - - match button { - Some(button) => - events.push(MouseInput(state, button)), - None => () - }; - }, - - _ => () - } - } - - events - } - - pub fn wait_events(&self) -> Vec<Event> { - use std::mem; - - loop { - // this will block until an event arrives, but doesn't remove - // it from the queue - let mut xev = unsafe { mem::uninitialized() }; - unsafe { ffi::XPeekEvent(self.display, &mut xev) }; - - // calling poll_events() - let ev = self.poll_events(); - if ev.len() >= 1 { - return ev; - } - } - } - - pub unsafe fn make_current(&self) { - let res = ffi::glXMakeCurrent(self.display, self.window, self.context); - if res == 0 { - fail!("glXMakeCurrent failed"); - } - } - - pub fn get_proc_address(&self, addr: &str) -> *const () { - use std::c_str::ToCStr; - use std::mem; - - unsafe { - addr.with_c_str(|s| { - ffi::glXGetProcAddress(mem::transmute(s)) as *const () - }) - } - } - - pub fn swap_buffers(&self) { - unsafe { ffi::glXSwapBuffers(self.display, self.window) } - } -} - -impl Drop for Window { - fn drop(&mut self) { - unsafe { ffi::glXMakeCurrent(self.display, 0, ptr::null()); } - unsafe { ffi::glXDestroyContext(self.display, self.context); } - - if self.is_fullscreen { - unsafe { ffi::XF86VidModeSwitchToMode(self.display, self.screen_id, self.xf86_desk_mode); } - unsafe { ffi::XF86VidModeSetViewPort(self.display, self.screen_id, 0, 0); } - } - - unsafe { ffi::XDestroyIC(self.ic); } - unsafe { ffi::XCloseIM(self.im); } - unsafe { ffi::XDestroyWindow(self.display, self.window); } - unsafe { ffi::XCloseDisplay(self.display); } - } -} +#[cfg(feature = "window")] +mod window; diff --git a/src/x11/events.rs b/src/x11/window/events.rs index d5b559a..4d74eed 100644 --- a/src/x11/events.rs +++ b/src/x11/window/events.rs @@ -1,5 +1,5 @@ use {events, libc}; -use super::ffi; +use super::super::ffi; use VirtualKeyCode; pub fn keycode_to_element(scancode: libc::c_uint) -> Option<VirtualKeyCode> { diff --git a/src/x11/window/mod.rs b/src/x11/window/mod.rs new file mode 100644 index 0000000..58439e8 --- /dev/null +++ b/src/x11/window/mod.rs @@ -0,0 +1,499 @@ +use {Event, WindowBuilder}; +use libc; +use std::{mem, ptr}; +use std::sync::atomics::AtomicBool; +use super::ffi; + +pub use self::monitor::{MonitorID, get_available_monitors, get_primary_monitor}; + +mod events; +mod monitor; + +pub struct Window { + display: *mut ffi::Display, + window: ffi::Window, + im: ffi::XIM, + ic: ffi::XIC, + context: ffi::GLXContext, + is_closed: AtomicBool, + wm_delete_window: ffi::Atom, + xf86_desk_mode: *mut ffi::XF86VidModeModeInfo, + screen_id: libc::c_int, + is_fullscreen: bool, +} + +impl Window { + pub fn new(builder: WindowBuilder) -> Result<Window, String> { + let dimensions = builder.dimensions.unwrap_or((800, 600)); + + // calling XOpenDisplay + let display = unsafe { + let display = ffi::XOpenDisplay(ptr::null()); + if display.is_null() { + return Err(format!("XOpenDisplay failed")); + } + display + }; + + let screen_id = match builder.monitor { + Some(MonitorID(monitor)) => monitor as i32, + None => unsafe { ffi::XDefaultScreen(display) }, + }; + + // getting the FBConfig + let fb_config = unsafe { + static VISUAL_ATTRIBUTES: [libc::c_int, ..23] = [ + ffi::GLX_X_RENDERABLE, 1, + ffi::GLX_DRAWABLE_TYPE, ffi::GLX_WINDOW_BIT, + ffi::GLX_RENDER_TYPE, ffi::GLX_RGBA_BIT, + ffi::GLX_X_VISUAL_TYPE, ffi::GLX_TRUE_COLOR, + ffi::GLX_RED_SIZE, 8, + ffi::GLX_GREEN_SIZE, 8, + ffi::GLX_BLUE_SIZE, 8, + ffi::GLX_ALPHA_SIZE, 8, + ffi::GLX_DEPTH_SIZE, 24, + ffi::GLX_STENCIL_SIZE, 8, + ffi::GLX_DOUBLEBUFFER, 1, + 0 + ]; + + let mut num_fb: libc::c_int = mem::uninitialized(); + + let fb = ffi::glXChooseFBConfig(display, ffi::XDefaultScreen(display), + VISUAL_ATTRIBUTES.as_ptr(), &mut num_fb); + if fb.is_null() { + return Err(format!("glXChooseFBConfig failed")); + } + let preferred_fb = *fb; // TODO: choose more wisely + ffi::XFree(fb as *const libc::c_void); + preferred_fb + }; + + let mut best_mode = -1; + let modes = unsafe { + let mut mode_num: libc::c_int = mem::uninitialized(); + let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized(); + if ffi::XF86VidModeGetAllModeLines(display, screen_id, &mut mode_num, &mut modes) == 0 { + return Err(format!("Could not query the video modes")); + } + + for i in range(0, mode_num) { + let mode: ffi::XF86VidModeModeInfo = **modes.offset(i as int); + if mode.hdisplay == dimensions.val0() as u16 && mode.vdisplay == dimensions.val1() as u16 { + best_mode = i; + } + }; + if best_mode == -1 { + return Err(format!("Could not find a suitable graphics mode")); + } + + modes + }; + + let xf86_desk_mode = unsafe { + *modes.offset(0) + }; + + // getting the visual infos + let visual_infos = unsafe { + let vi = ffi::glXGetVisualFromFBConfig(display, fb_config); + if vi.is_null() { + return Err(format!("glXChooseVisual failed")); + } + let vi_copy = *vi; + ffi::XFree(vi as *const libc::c_void); + vi_copy + }; + + // getting the root window + let root = unsafe { ffi::XDefaultRootWindow(display) }; + + // creating the color map + let cmap = unsafe { + let cmap = ffi::XCreateColormap(display, root, + visual_infos.visual, ffi::AllocNone); + // TODO: error checking? + cmap + }; + + // creating + let mut set_win_attr = { + let mut swa: ffi::XSetWindowAttributes = unsafe { mem::zeroed() }; + swa.colormap = cmap; + swa.event_mask = ffi::ExposureMask | ffi::ResizeRedirectMask | + ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask | + ffi::KeyReleaseMask | ffi::ButtonPressMask | + ffi::ButtonReleaseMask | ffi::KeymapStateMask; + swa.border_pixel = 0; + swa.override_redirect = 0; + swa + }; + + let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi:: CWEventMask; + if builder.monitor.is_some() { + window_attributes |= ffi::CWOverrideRedirect; + unsafe { + ffi::XF86VidModeSwitchToMode(display, screen_id, *modes.offset(best_mode as int)); + ffi::XF86VidModeSetViewPort(display, screen_id, 0, 0); + set_win_attr.override_redirect = 1; + } + } + + // finally creating the window + let window = unsafe { + let win = ffi::XCreateWindow(display, root, 0, 0, dimensions.val0() as libc::c_uint, + dimensions.val1() as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput, + visual_infos.visual, window_attributes, + &mut set_win_attr); + win + }; + + // creating window, step 2 + let wm_delete_window = unsafe { + use std::c_str::ToCStr; + + ffi::XMapWindow(display, window); + let mut wm_delete_window = ffi::XInternAtom(display, + "WM_DELETE_WINDOW".to_c_str().as_ptr() as *const libc::c_char, 0); + ffi::XSetWMProtocols(display, window, &mut wm_delete_window, 1); + ffi::XStoreName(display, window, mem::transmute(builder.title.as_slice().as_ptr())); + ffi::XFlush(display); + + wm_delete_window + }; + + // getting the pointer to glXCreateContextAttribs + let create_context_attribs = unsafe { + let mut addr = ffi::glXGetProcAddress(b"glXCreateContextAttribs".as_ptr() + as *const u8) as *const (); + + if addr.is_null() { + addr = ffi::glXGetProcAddress(b"glXCreateContextAttribsARB".as_ptr() + as *const u8) as *const (); + } + + addr.as_ref().map(|addr| { + let addr: extern "system" fn(*mut ffi::Display, ffi::GLXFBConfig, ffi::GLXContext, + ffi::Bool, *const libc::c_int) -> ffi::GLXContext = mem::transmute(addr); + addr + }) + }; + + // creating IM + let im = unsafe { + let im = ffi::XOpenIM(display, ptr::null(), ptr::null_mut(), ptr::null_mut()); + if im.is_null() { + return Err(format!("XOpenIM failed")); + } + im + }; + + // creating input context + let ic = unsafe { + use std::c_str::ToCStr; + + let ic = ffi::XCreateIC(im, "inputStyle".to_c_str().as_ptr(), + ffi::XIMPreeditNothing | ffi::XIMStatusNothing, "clientWindow".to_c_str().as_ptr(), + window, ptr::null()); + if ic.is_null() { + return Err(format!("XCreateIC failed")); + } + ffi::XSetICFocus(ic); + ic + }; + + // Attempt to make keyboard input repeat detectable + unsafe { + let mut supported_ptr = false; + ffi::XkbSetDetectableAutoRepeat(display, true, &mut supported_ptr); + if !supported_ptr { + return Err(format!("XkbSetDetectableAutoRepeat failed")); + } + } + + + // creating GL context + let context = unsafe { + let mut attributes = Vec::new(); + + if builder.gl_version.is_some() { + let version = builder.gl_version.as_ref().unwrap(); + attributes.push(ffi::GLX_CONTEXT_MAJOR_VERSION); + attributes.push(version.val0() as libc::c_int); + attributes.push(ffi::GLX_CONTEXT_MINOR_VERSION); + attributes.push(version.val1() as libc::c_int); + } + + attributes.push(0); + + let context = if create_context_attribs.is_some() { + let create_context_attribs = create_context_attribs.unwrap(); + create_context_attribs(display, fb_config, ptr::null(), 1, + attributes.as_ptr()) + } else { + ffi::glXCreateContext(display, &visual_infos, ptr::null(), 1) + }; + + if context.is_null() { + return Err(format!("GL context creation failed")); + } + + context + }; + + // creating the window object + let window = Window { + display: display, + window: window, + im: im, + ic: ic, + context: context, + is_closed: AtomicBool::new(false), + wm_delete_window: wm_delete_window, + xf86_desk_mode: xf86_desk_mode, + screen_id: screen_id, + is_fullscreen: builder.monitor.is_some(), + }; + + // calling glViewport + unsafe { + let ptr = window.get_proc_address("glViewport"); + assert!(!ptr.is_null()); + let ptr: extern "system" fn(libc::c_int, libc::c_int, libc::c_int, libc::c_int) = + mem::transmute(ptr); + let dimensions = window.get_inner_size().unwrap(); + ptr(0, 0, dimensions.val0() as libc::c_int, dimensions.val1() as libc::c_int); + } + + // returning + Ok(window) + } + + pub fn is_closed(&self) -> bool { + use std::sync::atomics::Relaxed; + self.is_closed.load(Relaxed) + } + + pub fn set_title(&self, title: &str) { + unsafe { + ffi::XStoreName(self.display, self.window, + mem::transmute(title.as_slice().as_ptr())); + } + } + + fn get_geometry(&self) -> Option<(int, int, uint, uint)> { + unsafe { + use std::mem; + + let mut root: ffi::Window = mem::uninitialized(); + let mut x: libc::c_int = mem::uninitialized(); + let mut y: libc::c_int = mem::uninitialized(); + let mut width: libc::c_uint = mem::uninitialized(); + let mut height: libc::c_uint = mem::uninitialized(); + let mut border: libc::c_uint = mem::uninitialized(); + let mut depth: libc::c_uint = mem::uninitialized(); + + if ffi::XGetGeometry(self.display, self.window, + &mut root, &mut x, &mut y, &mut width, &mut height, + &mut border, &mut depth) == 0 + { + return None; + } + + Some((x as int, y as int, width as uint, height as uint)) + } + } + + pub fn get_position(&self) -> Option<(int, int)> { + self.get_geometry().map(|(x, y, _, _)| (x, y)) + } + + pub fn set_position(&self, x: int, y: int) { + unsafe { ffi::XMoveWindow(self.display, self.window, x as libc::c_int, y as libc::c_int) } + } + + pub fn get_inner_size(&self) -> Option<(uint, uint)> { + self.get_geometry().map(|(_, _, w, h)| (w, h)) + } + + pub fn get_outer_size(&self) -> Option<(uint, uint)> { + unimplemented!() + } + + pub fn set_inner_size(&self, _x: uint, _y: uint) { + unimplemented!() + } + + pub fn poll_events(&self) -> Vec<Event> { + use std::mem; + + let mut events = Vec::new(); + + loop { + use std::num::Bounded; + + let mut xev = unsafe { mem::uninitialized() }; + let res = unsafe { ffi::XCheckMaskEvent(self.display, Bounded::max_value(), &mut xev) }; + + if res == 0 { + let res = unsafe { ffi::XCheckTypedEvent(self.display, ffi::ClientMessage, &mut xev) }; + + if res == 0 { + break + } + } + + match xev.type_ { + ffi::KeymapNotify => { + unsafe { ffi::XRefreshKeyboardMapping(&xev) } + }, + + ffi::ClientMessage => { + use Closed; + use std::sync::atomics::Relaxed; + + let client_msg: &ffi::XClientMessageEvent = unsafe { mem::transmute(&xev) }; + + if client_msg.l[0] == self.wm_delete_window as libc::c_long { + self.is_closed.store(true, Relaxed); + events.push(Closed); + } + }, + + ffi::ResizeRequest => { + use Resized; + let rs_event: &ffi::XResizeRequestEvent = unsafe { mem::transmute(&xev) }; + events.push(Resized(rs_event.width as uint, rs_event.height as uint)); + }, + + ffi::MotionNotify => { + use MouseMoved; + let event: &ffi::XMotionEvent = unsafe { mem::transmute(&xev) }; + events.push(MouseMoved((event.x as int, event.y as int))); + }, + + ffi::KeyPress | ffi::KeyRelease => { + use {KeyboardInput, Pressed, Released, ReceivedCharacter, KeyModifiers}; + let event: &mut ffi::XKeyEvent = unsafe { mem::transmute(&xev) }; + + if event.type_ == ffi::KeyPress { + let raw_ev: *mut ffi::XKeyEvent = event; + unsafe { ffi::XFilterEvent(mem::transmute(raw_ev), self.window) }; + } + + let state = if xev.type_ == ffi::KeyPress { Pressed } else { Released }; + + let written = unsafe { + use std::str; + + let mut buffer: [u8, ..16] = [mem::uninitialized(), ..16]; + let raw_ev: *mut ffi::XKeyEvent = event; + let count = ffi::Xutf8LookupString(self.ic, mem::transmute(raw_ev), + mem::transmute(buffer.as_mut_ptr()), + buffer.len() as libc::c_int, ptr::null_mut(), ptr::null_mut()); + + str::from_utf8(buffer.as_slice().slice_to(count as uint)) + .unwrap_or("").to_string() + }; + + for chr in written.as_slice().chars() { + events.push(ReceivedCharacter(chr)); + } + + let keysym = unsafe { + ffi::XKeycodeToKeysym(self.display, event.keycode as ffi::KeyCode, 0) + }; + + let vkey = events::keycode_to_element(keysym as libc::c_uint); + + events.push(KeyboardInput(state, event.keycode as u8, + vkey, KeyModifiers::empty())); + // + }, + + ffi::ButtonPress | ffi::ButtonRelease => { + use {MouseInput, Pressed, Released}; + use {LeftMouseButton, RightMouseButton, MiddleMouseButton, OtherMouseButton}; + let event: &ffi::XButtonEvent = unsafe { mem::transmute(&xev) }; + + let state = if xev.type_ == ffi::ButtonPress { Pressed } else { Released }; + + let button = match event.button { + ffi::Button1 => Some(LeftMouseButton), + ffi::Button2 => Some(MiddleMouseButton), + ffi::Button3 => Some(RightMouseButton), + ffi::Button4 => Some(OtherMouseButton(4)), + ffi::Button5 => Some(OtherMouseButton(5)), + _ => None + }; + + match button { + Some(button) => + events.push(MouseInput(state, button)), + None => () + }; + }, + + _ => () + } + } + + events + } + + pub fn wait_events(&self) -> Vec<Event> { + use std::mem; + + loop { + // this will block until an event arrives, but doesn't remove + // it from the queue + let mut xev = unsafe { mem::uninitialized() }; + unsafe { ffi::XPeekEvent(self.display, &mut xev) }; + + // calling poll_events() + let ev = self.poll_events(); + if ev.len() >= 1 { + return ev; + } + } + } + + pub unsafe fn make_current(&self) { + let res = ffi::glXMakeCurrent(self.display, self.window, self.context); + if res == 0 { + fail!("glXMakeCurrent failed"); + } + } + + pub fn get_proc_address(&self, addr: &str) -> *const () { + use std::c_str::ToCStr; + use std::mem; + + unsafe { + addr.with_c_str(|s| { + ffi::glXGetProcAddress(mem::transmute(s)) as *const () + }) + } + } + + pub fn swap_buffers(&self) { + unsafe { ffi::glXSwapBuffers(self.display, self.window) } + } +} + +impl Drop for Window { + fn drop(&mut self) { + unsafe { ffi::glXMakeCurrent(self.display, 0, ptr::null()); } + unsafe { ffi::glXDestroyContext(self.display, self.context); } + + if self.is_fullscreen { + unsafe { ffi::XF86VidModeSwitchToMode(self.display, self.screen_id, self.xf86_desk_mode); } + unsafe { ffi::XF86VidModeSetViewPort(self.display, self.screen_id, 0, 0); } + } + + unsafe { ffi::XDestroyIC(self.ic); } + unsafe { ffi::XCloseIM(self.im); } + unsafe { ffi::XDestroyWindow(self.display, self.window); } + unsafe { ffi::XCloseDisplay(self.display); } + } +} diff --git a/src/x11/monitor.rs b/src/x11/window/monitor.rs index 3b382c2..b72ed15 100644 --- a/src/x11/monitor.rs +++ b/src/x11/window/monitor.rs @@ -1,5 +1,5 @@ use std::{ptr}; -use super::ffi; +use super::super::ffi; pub struct MonitorID(pub uint); |