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use crate::cx_xlib::*;
use crate::cx::*;
impl Cx{
pub fn event_loop<F>(&mut self, mut event_handler: F)
where F: FnMut(&mut Cx, &mut Event),
{
self.platform_type = PlatformType::Linux;
let mut xlib_app = XlibApp::new();
xlib_app.init();
let opengl_cx = OpenglCx::new(xlib_app.display);
let mut opengl_windows: Vec<OpenglWindow> = Vec::new();
self.opengl_compile_all_shaders(&opengl_cx);
self.load_theme_fonts();
self.call_event_handler(&mut event_handler, &mut Event::Construct);
self.redraw_child_area(Area::All);
let mut passes_todo = Vec::new();
xlib_app.event_loop( | xlib_app, events | {
let mut paint_dirty = false;
for mut event in events {
self.process_desktop_pre_event(&mut event, &mut event_handler);
match &event {
Event::WindowSetHoverCursor(mc) => {
self.set_hover_mouse_cursor(mc.clone());
},
Event::WindowGeomChange(re) => { // do this here because mac
for opengl_window in &mut opengl_windows {if opengl_window.window_id == re.window_id {
opengl_window.window_geom = re.new_geom.clone();
self.windows[re.window_id].window_geom = re.new_geom.clone();
// redraw just this windows root draw list
if re.old_geom.inner_size != re.new_geom.inner_size{
if let Some(main_pass_id) = self.windows[re.window_id].main_pass_id {
self.redraw_pass_and_sub_passes(main_pass_id);
}
}
break;
}}
// ok lets not redraw all, just this window
self.call_event_handler(&mut event_handler, &mut event);
},
Event::WindowClosed(wc) => {
// lets remove the window from the set
self.windows[wc.window_id].window_state = CxWindowState::Closed;
self.windows_free.push(wc.window_id);
// remove the d3d11/win32 window
for index in 0..opengl_windows.len() {
if opengl_windows[index].window_id == wc.window_id {
opengl_windows.remove(index);
if opengl_windows.len() == 0 {
xlib_app.terminate_event_loop();
}
for opengl_window in &mut opengl_windows {
opengl_window.xlib_window.update_ptrs();
}
}
}
self.call_event_handler(&mut event_handler, &mut event);
},
Event::Paint => {
let _vsync = self.process_desktop_paint_callbacks(xlib_app.time_now(), &mut event_handler);
// construct or destruct windows
for (index, window) in self.windows.iter_mut().enumerate() {
window.window_state = match &window.window_state {
CxWindowState::Create {inner_size, position, title} => {
// lets create a platformwindow
let opengl_window = OpenglWindow::new(index, &opengl_cx, xlib_app, *inner_size, *position, &title);
window.window_geom = opengl_window.window_geom.clone();
opengl_windows.push(opengl_window);
for opengl_window in &mut opengl_windows {
opengl_window.xlib_window.update_ptrs();
}
CxWindowState::Created
},
CxWindowState::Close => {
for opengl_window in &mut opengl_windows {if opengl_window.window_id == index {
opengl_window.xlib_window.close_window();
break;
}}
CxWindowState::Closed
},
CxWindowState::Created => CxWindowState::Created,
CxWindowState::Closed => CxWindowState::Closed
};
window.window_command = match &window.window_command {
CxWindowCmd::Restore => {
for opengl_window in &mut opengl_windows {if opengl_window.window_id == index {
opengl_window.xlib_window.restore();
}}
CxWindowCmd::None
},
CxWindowCmd::Maximize => {
for opengl_window in &mut opengl_windows {if opengl_window.window_id == index {
opengl_window.xlib_window.maximize();
}}
CxWindowCmd::None
},
CxWindowCmd::Minimize => {
for opengl_window in &mut opengl_windows {if opengl_window.window_id == index {
opengl_window.xlib_window.minimize();
}}
CxWindowCmd::None
},
_ => CxWindowCmd::None,
};
if let Some(topmost) = window.window_topmost {
for opengl_window in &mut opengl_windows {if opengl_window.window_id == index {
opengl_window.xlib_window.set_topmost(topmost);
}}
}
}
// set a cursor
if !self.down_mouse_cursor.is_none() {
xlib_app.set_mouse_cursor(self.down_mouse_cursor.as_ref().unwrap().clone())
}
else if !self.hover_mouse_cursor.is_none() {
xlib_app.set_mouse_cursor(self.hover_mouse_cursor.as_ref().unwrap().clone())
}
else {
xlib_app.set_mouse_cursor(MouseCursor::Default)
}
if let Some(set_ime_position) = self.platform.set_ime_position {
self.platform.set_ime_position = None;
for opengl_window in &mut opengl_windows {
opengl_window.xlib_window.set_ime_spot(set_ime_position);
}
}
while self.platform.start_timer.len() > 0 {
let (timer_id, interval, repeats) = self.platform.start_timer.pop().unwrap();
xlib_app.start_timer(timer_id, interval, repeats);
}
while self.platform.stop_timer.len() > 0 {
let timer_id = self.platform.stop_timer.pop().unwrap();
xlib_app.stop_timer(timer_id);
}
// build a list of renderpasses to repaint
let mut windows_need_repaint = 0;
self.compute_passes_to_repaint(&mut passes_todo, &mut windows_need_repaint);
if passes_todo.len() > 0 {
for pass_id in &passes_todo {
match self.passes[*pass_id].dep_of.clone() {
CxPassDepOf::Window(window_id) => {
// find the accompanying render window
// its a render window
windows_need_repaint -= 1;
for opengl_window in &mut opengl_windows {if opengl_window.window_id == window_id {
if opengl_window.xlib_window.window.is_none(){
break;
}
let dpi_factor = opengl_window.window_geom.dpi_factor;
self.passes[*pass_id].set_dpi_factor(dpi_factor);
opengl_window.resize_framebuffer(&opengl_cx);
self.passes[*pass_id].paint_dirty = false;
if self.draw_pass_to_window(
*pass_id,
dpi_factor,
opengl_window,
&opengl_cx,
false
){
// paint it again a few times, apparently this is necessary
self.passes[*pass_id].paint_dirty = true;
paint_dirty = true;
}
if opengl_window.first_draw{
opengl_window.first_draw = false;
if dpi_factor != self.default_dpi_factor{
self.redraw_pass_and_sub_passes(*pass_id);
}
}
}}
}
CxPassDepOf::Pass(parent_pass_id) => {
let dpi_factor = self.get_delegated_dpi_factor(parent_pass_id);
self.draw_pass_to_texture(
*pass_id,
dpi_factor,
&opengl_cx,
);
},
CxPassDepOf::None => {
self.draw_pass_to_texture(
*pass_id,
1.0,
&opengl_cx,
);
}
}
}
}
},
Event::Signal{..}=>{
self.call_event_handler(&mut event_handler, &mut event);
self.call_signals(&mut event_handler);
},
Event::None => {
},
_ => {
self.call_event_handler(&mut event_handler, &mut event);
}
}
if self.process_desktop_post_event(event) {
xlib_app.terminate_event_loop();
}
}
if !paint_dirty && self.playing_anim_areas.len() == 0 && self.redraw_parent_areas.len() == 0 && self.redraw_child_areas.len() == 0 && self.frame_callbacks.len() == 0 {
true
} else {
false
}
})
}
pub fn show_text_ime(&mut self, x: f32, y: f32) {
self.platform.set_ime_position = Some(Vec2 {x: x, y: y});
}
pub fn hide_text_ime(&mut self) {
}
pub fn set_window_outer_size(&mut self, size: Vec2) {
self.platform.set_window_outer_size = Some(size);
}
pub fn set_window_position(&mut self, pos: Vec2) {
self.platform.set_window_position = Some(pos);
}
pub fn start_timer(&mut self, interval: f64, repeats: bool) -> Timer {
self.timer_id += 1;
self.platform.start_timer.push((self.timer_id, interval, repeats));
Timer {timer_id: self.timer_id}
}
pub fn stop_timer(&mut self, timer: &mut Timer) {
if timer.timer_id != 0 {
self.platform.stop_timer.push(timer.timer_id);
timer.timer_id = 0;
}
}
pub fn post_signal(signal: Signal, status: StatusId) {
XlibApp::post_signal(signal, status);
}
pub fn update_menu(&mut self, _menu:&Menu){
}
}
#[derive(Clone, Default)]
pub struct CxPlatform {
pub set_window_position: Option<Vec2>,
pub set_window_outer_size: Option<Vec2>,
pub set_ime_position: Option<Vec2>,
pub start_timer: Vec<(u64, f64, bool)>,
pub stop_timer: Vec<u64>,
pub text_clipboard_response: Option<String>,
pub desktop: CxDesktop,
}