From e73fb6abab99e815e6b6d7f40907d532de16eaae Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Thu, 21 Jul 2016 02:40:28 -0400
Subject: console: ptyc_console_poller(): initial implementation.

---
 src/console/ptyc_console_poller.c | 80 ++++++++++++++++++++++++++++++++++++++-
 src/internal/ptycon_bridge_impl.h |  1 +
 2 files changed, 79 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/console/ptyc_console_poller.c b/src/console/ptyc_console_poller.c
index 1c029cb..7f63197 100644
--- a/src/console/ptyc_console_poller.c
+++ b/src/console/ptyc_console_poller.c
@@ -14,6 +14,82 @@
 
 int __stdcall ptyc_console_poller(struct ptyc_driver_ctx_impl * ictx)
 {
-	(void)ictx;
-	return ntapi->tt_wait_for_dummy_event();
+	int32_t				status;
+	int32_t				iostatus;
+	struct ptyc_term_ctx *		tctx;
+	nt_tty_sigctl_info		ctlinfo;
+	void *				hwnd;
+	void *				hevent;
+	nt_timeout			timeout;
+	nt_iosb				iosb;
+	gdi_rect			orect;
+	gdi_rect			crect;
+	int				diff;
+
+	tctx = &ictx->tctx;
+
+	if (!(hwnd = ntcon->get_console_window()))
+		return NT_STATUS_INTERNAL_ERROR;
+
+	if ((status = ntapi->tt_create_private_event(
+			&hevent,
+			NT_NOTIFICATION_EVENT,
+			NT_EVENT_NOT_SIGNALED)))
+		return status;
+
+	if (!(gdi->get_client_rect(
+			hwnd,
+			&orect)))
+		return NT_STATUS_INTERNAL_ERROR;
+
+	timeout.quad = (-1) * 10 * 1000 * 50;
+
+	do {
+		status = ntapi->zw_wait_for_single_object(
+			hevent,
+			NT_SYNC_ALERTABLE,
+			&timeout);
+
+		if (!(gdi->get_client_rect(
+				hwnd,
+				&crect)))
+			return NT_STATUS_INTERNAL_ERROR;
+
+		diff = (crect.right-crect.left !=orect.right-orect.left)
+			|| (crect.bottom-crect.top !=orect.bottom-orect.top);
+
+		if (diff) {
+			orect.left   = crect.left;
+			orect.right  = crect.right;
+			orect.top    = crect.top;
+			orect.bottom = crect.bottom;
+
+			if (!(ntcon->get_console_screen_buffer_info(
+					tctx->hout,
+					&tctx->screen_info)))
+				return NT_STATUS_INTERNAL_ERROR;
+
+			ntapi->tt_aligned_block_memset(
+				&ctlinfo,0,sizeof(ctlinfo));
+
+			ctlinfo.winsize.ws_col = tctx->screen_info.window.right
+						 - tctx->screen_info.window.left
+						 + 1;
+
+			ctlinfo.winsize.ws_row = tctx->screen_info.window.bottom
+						 - tctx->screen_info.window.top
+						 + 1;
+
+			if ((iostatus = ntapi->pty_ioctl(
+					ictx->cctx.hptm,
+					0,0,0,
+					&iosb,
+					TTY_TIOCSWINSZ,
+					&ctlinfo,sizeof(ctlinfo),
+					&ctlinfo,sizeof(ctlinfo))))
+				return iostatus;
+		}
+	} while (status == NT_STATUS_TIMEOUT);
+
+	return NT_STATUS_INTERNAL_ERROR;
 }
diff --git a/src/internal/ptycon_bridge_impl.h b/src/internal/ptycon_bridge_impl.h
index 7f882da..0432cde 100644
--- a/src/internal/ptycon_bridge_impl.h
+++ b/src/internal/ptycon_bridge_impl.h
@@ -55,6 +55,7 @@ struct ptyc_term_ctx {
 	uint16_t			background;
 	nt_coord			screen_size;
 	nt_coord			window_size;
+	nt_console_screen_buffer_info	screen_info;
 	struct ptyc_term_data		data;
 	struct ptyc_term_input		input;
 };
-- 
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