event handlings here

driver/device_xcb.cpp

@@ -27,7 +27,19 @@ void XcbDevice::windowDestroyed(xcb_window_t window_id) {
 
 void XcbDevice::handleEvents() {
 	while (xcb_generic_event_t *event = xcb_poll_for_event(xcb_connection)) {
-
+		switch (event->response_type & ~0x80) {
+		case XCB_EXPOSE: {
+			xcb_expose_event_t *expose =
+				reinterpret_cast<xcb_expose_event_t *>(event);
+			auto find = windows.find(expose->window);
+			if (find != windows.end()) {
+				assert(find->second);
+				find->second->resizeEvent(static_cast<size_t>(expose->x),static_cast<size_t>(expose->y), static_cast<size_t>(expose->width), static_cast<size_t>(expose->height));
+			}
+		} break;
+		default:
+			break;
+		}
 		free(event);
 	}
 }
@@ -58,9 +70,11 @@ Own<XcbWindow> XcbDevice::createXcbWindow(const VideoMode &video_mode,
 						title_view.data());
 
 	xcb_flush(xcb_connection);
-
-	return heap<XcbWindow>(*this, xcb_window, xcb_colormap, video_mode,
+	auto window = heap<XcbWindow>(*this, xcb_window, xcb_colormap, video_mode,
 						   title_view);
+	windows[xcb_window] = window.get();
+
+	return window;
 }
 
 Own<Window> XcbDevice::createWindow(const VideoMode &video_mode,

driver/gl/gl_window_xcb.cpp

@@ -53,13 +53,7 @@ void XcbGlWindow::swap() {
 
 const VideoMode &XcbGlWindow::videoMode() const {
 	assert(window);
-	if (window) {
-		return window->videoMode();
-	}
-	{
-		static VideoMode mode_which_should_never_exist;
-		return mode_which_should_never_exist;
-	}
+	return window->videoMode();
 }
 
 const std::string_view XcbGlWindow::title() const {
@@ -76,4 +70,9 @@ void XcbGlWindow::resize(size_t height, size_t width) {
 		window->resize(height, width);
 	}
 }
+
+Conveyor<Window::VariantEvent> XcbGlWindow::onEvent() {
+	assert(window);
+	return window->onEvent();
+}
 } // namespace gin

driver/gl/gl_window_xcb.h

@@ -28,5 +28,7 @@ public:
 	const std::string_view title() const override;
 
 	void resize(size_t height, size_t width) override;
+
+	Conveyor<Window::VariantEvent> onEvent() override;
 };
 } // namespace gin

driver/window_xcb.cpp

@@ -47,4 +47,13 @@ Conveyor<Window::VariantEvent> XcbWindow::onEvent() {
 	event_feeder = std::move(caf.feeder);
 	return std::move(caf.conveyor);
 }
+
+void XcbWindow::resizeEvent(size_t x, size_t y, size_t width, size_t height){
+  (void)x;
+  (void)y;
+  /// @todo maybe include x and y?
+  if(event_feeder){
+    event_feeder->feed(Window::VariantEvent{Window::Event::Resize{width, height}});
+  }
+}
 } // namespace gin

driver/window_xcb.h

@@ -37,5 +37,7 @@ public:
 	void resize(size_t width, size_t height) override;
 
 	Conveyor<Window::VariantEvent> onEvent() override;
+
+	void resizeEvent(size_t x, size_t y, size_t width, size_t height);
 };
 } // namespace gin

source/gl/gl_window.h

@@ -1,7 +1,10 @@
 #pragma once
 
+#include "../window.h"
 #include "../video_mode.h"
 
+#include <kelgin/async.h>
+
 #include <string_view>
 
 namespace gin {
@@ -22,5 +25,7 @@ public:
 	virtual const std::string_view title() const = 0;
 
 	virtual void resize(size_t height, size_t width) = 0;
+
+	virtual Conveyor<Window::VariantEvent> onEvent() = 0;
 };
 } // namespace gin

source/video_mode.h

@@ -5,7 +5,7 @@
 namespace gin {
 class VideoMode {
 public:
-	size_t height = 128;
 	size_t width = 128;
+	size_t height = 128;
 };
 } // namespace gin