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Commit0218372

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Restore flutter-glfw
1 parentde491a2 commit0218372

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7 files changed

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7 files changed

+1173
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lines changed

‎Cargo.lock

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‎Cargo.toml

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Original file line numberDiff line numberDiff line change
@@ -4,4 +4,5 @@ members = [
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"flutter-engine-sys",
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"flutter-plugins",
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"flutter-winit",
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"flutter-glfw",
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]

‎flutter-glfw/Cargo.toml

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[package]
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name ="flutter-glfw"
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version ="0.4.0"
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authors = ["juju <gliheng@gmail.com>","Sophie Tauchert <sophie@999eagle.moe>","Chandler Newman <chandler2newman@hotmail.co.uk>"]
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edition ="2018"
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description ="Flutter engine embedder using glfw."
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keywords = ["flutter","GUI"]
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repository ="https://github.com/flutter-rs/flutter-rs"
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license ="MIT"
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[dependencies]
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copypasta ="0.6.2"
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flutter-engine-sys = {path ="../flutter-engine-sys" }
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flutter-engine = {path ="../flutter-engine" }
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flutter-plugins = {path ="../flutter-plugins" }
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gl ="0.14.0"
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locale_config ="0.3.0"
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log ="0.4.8"
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parking_lot ="0.10.0"
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glfw ="0.34.0"
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lazy_static ="1.4.0"

‎flutter-glfw/src/draw.rs

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use std::u8;
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use glfw::Context;
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// include the OpenGL type aliases
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// use gl::types::*;
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pubfninit_gl(window:&mut glfw::Window){
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gl::load_with(|s| window.get_proc_address(s));
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}
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/// Draw blank background before flutter engine starts.
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pubfndraw_bg(window:&mut glfw::Window,bg_color:(u8,u8,u8)){
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unsafe{
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let r = bg_color.0asf32 / u8::MAXasf32;
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let g = bg_color.1asf32 / u8::MAXasf32;
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let b = bg_color.2asf32 / u8::MAXasf32;
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gl::ClearColor(r, g, b,1.0);
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gl::Clear(gl::COLOR_BUFFER_BIT);
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window.swap_buffers();
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}
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}

‎flutter-glfw/src/handler.rs

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use flutter_engine::tasks::TaskRunnerHandler;
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use flutter_engine::FlutterOpenGLHandler;
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use flutter_plugins::platform::{AppSwitcherDescription,MimeError,PlatformHandler};
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use flutter_plugins::textinput::TextInputHandler;
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use flutter_plugins::window::{PositionParams,WindowHandler};
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use glfw::Context;
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use parking_lot::Mutex;
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use std::ffi::c_void;
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use std::sync::Arc;
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pub(crate)structGlfwPlatformTaskHandler{}
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implGlfwPlatformTaskHandler{
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pubfnnew() ->Self{
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Self{}
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}
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}
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implTaskRunnerHandlerforGlfwPlatformTaskHandler{
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fnwake(&self){
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unsafe{
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glfw::ffi::glfwPostEmptyEvent();
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}
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}
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}
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pub(crate)structGlfwOpenGLHandler{
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pub(crate)glfw: glfw::Glfw,
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pub(crate)window:Arc<Mutex<glfw::Window>>,
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pub(crate)resource_window:Arc<Mutex<glfw::Window>>,
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}
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unsafeimplSendforGlfwOpenGLHandler{}
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implGlfwOpenGLHandler{
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pubfnnew(
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glfw: glfw::Glfw,
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window:Arc<Mutex<glfw::Window>>,
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resource_window:Arc<Mutex<glfw::Window>>,
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) ->Self{
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Self{
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glfw,
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window,
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resource_window,
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}
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}
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}
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implFlutterOpenGLHandlerforGlfwOpenGLHandler{
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fnswap_buffers(&self) ->bool{
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self.window.lock().swap_buffers();
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true
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}
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fnmake_current(&self) ->bool{
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self.window.lock().make_current();
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true
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}
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fnclear_current(&self) ->bool{
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glfw::make_context_current(None);
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true
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}
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fnfbo_callback(&self) ->u32{
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0
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}
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fnmake_resource_current(&self) ->bool{
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self.resource_window.lock().make_current();
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true
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}
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fngl_proc_resolver(&self,proc:*consti8) ->*mutc_void{
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unsafe{
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self.glfw
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.get_proc_address_raw(&glfw::string_from_c_str(proc))as*mutc_void
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}
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}
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}
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pubstructGlfwPlatformHandler{
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pubwindow:Arc<Mutex<glfw::Window>>,
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}
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unsafeimplSendforGlfwPlatformHandler{}
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implPlatformHandlerforGlfwPlatformHandler{
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fnset_application_switcher_description(&mutself,description:AppSwitcherDescription){
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self.window.lock().set_title(&description.label);
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}
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fnset_clipboard_data(&mutself,text:String){
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self.window.lock().set_clipboard_string(&text);
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}
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fnget_clipboard_data(&mutself,mime:&str) ->Result<String,MimeError>{
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match mime{
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"text/plain" =>Ok(matchself.window.lock().get_clipboard_string(){
100+
None =>"".to_string(),
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Some(val) => val,
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}),
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_ =>Err(MimeError),
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}
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}
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}
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pubstructGlfwWindowHandler{
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window:Arc<Mutex<glfw::Window>>,
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dragging:bool,
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start_cursor_pos:(f64,f64),
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}
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implGlfwWindowHandler{
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pubfnnew(window:Arc<Mutex<glfw::Window>>) ->Self{
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Self{
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window,
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dragging:false,
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start_cursor_pos:(0.0,0.0),
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}
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}
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pubfndrag_window(&self,x:f64,y:f64) ->bool{
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ifself.dragging{
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letmut window =self.window.lock();
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let(wx, wy) = window.get_pos();
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let dx =(x -self.start_cursor_pos.0)asi32;
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let dy =(y -self.start_cursor_pos.1)asi32;
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window.set_pos(wx + dx, wy + dy);
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}
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self.dragging
132+
}
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}
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unsafeimplSendforGlfwWindowHandler{}
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implWindowHandlerforGlfwWindowHandler{
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fnclose(&mutself){
139+
self.window.lock().set_should_close(true);
140+
}
141+
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fnshow(&mutself){
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self.window.lock().show();
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}
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fnhide(&mutself){
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self.window.lock().hide();
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}
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fnmaximize(&mutself){
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self.window.lock().maximize();
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}
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fniconify(&mutself){
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self.window.lock().iconify();
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}
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fnrestore(&mutself){
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self.window.lock().restore();
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}
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fnis_maximized(&mutself) ->bool{
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self.window.lock().is_maximized()
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}
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fnis_iconified(&mutself) ->bool{
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self.window.lock().is_iconified()
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}
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fnis_visible(&mutself) ->bool{
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self.window.lock().is_visible()
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}
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fnset_pos(&mutself,pos:PositionParams){
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self.window.lock().set_pos(pos.xasi32, pos.yasi32);
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}
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fnget_pos(&mutself) ->PositionParams{
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let(x, y) =self.window.lock().get_pos();
180+
PositionParams{
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x: xasf32,
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y: yasf32,
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}
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}
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fnstart_drag(&mutself){
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self.dragging =true;
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self.start_cursor_pos =self.window.lock().get_cursor_pos();
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}
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fnend_drag(&mutself){
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self.dragging =false;
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}
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}
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pubstructGlfwTextInputHandler{}
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implDefaultforGlfwTextInputHandler{
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fndefault() ->Self{
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Self{}
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}
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}
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implTextInputHandlerforGlfwTextInputHandler{
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fnshow(&mutself){}
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fnhide(&mutself){}
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}

‎flutter-glfw/src/lib.rs

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usecrate::window::{CreateError,FlutterWindow,WindowArgs};
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use log::error;
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use std::path::PathBuf;
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mod draw;
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mod handler;
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pubmod window;
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pubfninit() ->Result<FlutterDesktop, glfw::InitError>{
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glfw::init(Some(glfw::Callback{
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f: glfw_error_callback,
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data:(),
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}))
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.map(|glfw|FlutterDesktop{ glfw})
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}
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#[allow(clippy::trivially_copy_pass_by_ref)]
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fnglfw_error_callback(error: glfw::Error,description:String, _:&()){
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error!("GLFW error ({}): {}", error, description);
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}
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pubstructFlutterDesktop{
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glfw: glfw::Glfw,
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}
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implFlutterDesktop{
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pubfncreate_window(
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&mutself,
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window_args:&WindowArgs,
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assets_path:PathBuf,
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arguments:Vec<String>,
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) ->Result<FlutterWindow,CreateError>{
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FlutterWindow::create(&mutself.glfw, window_args, assets_path, arguments)
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}
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pubfnglfw(&self) -> glfw::Glfw{
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self.glfw.clone()
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}
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}

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