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[PATCH v3 1/9] chardev: add cols, rows fields
From: |
Szymon Lukasz |
Subject: |
[PATCH v3 1/9] chardev: add cols, rows fields |
Date: |
Mon, 29 Jun 2020 18:40:33 +0200 |
These fields should be interpreted as the size of the terminal connected
to a given chardev.
Signed-off-by: Szymon Lukasz <noh4hss@gmail.com>
---
chardev/char-fe.c | 13 +++++++++++++
include/chardev/char-fe.h | 10 ++++++++++
include/chardev/char.h | 1 +
3 files changed, 24 insertions(+)
diff --git a/chardev/char-fe.c b/chardev/char-fe.c
index f3530a90e6..27f95bfcdf 100644
--- a/chardev/char-fe.c
+++ b/chardev/char-fe.c
@@ -336,6 +336,19 @@ void qemu_chr_fe_set_echo(CharBackend *be, bool echo)
}
}
+void qemu_chr_fe_get_winsize(CharBackend *be, uint16_t *cols, uint16_t *rows)
+{
+ Chardev *chr = be->chr;
+
+ if (chr) {
+ *cols = chr->cols;
+ *rows = chr->rows;
+ } else {
+ *cols = 0;
+ *rows = 0;
+ }
+}
+
void qemu_chr_fe_set_open(CharBackend *be, int fe_open)
{
Chardev *chr = be->chr;
diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h
index a553843364..3672b0d97d 100644
--- a/include/chardev/char-fe.h
+++ b/include/chardev/char-fe.h
@@ -154,6 +154,16 @@ int qemu_chr_fe_wait_connected(CharBackend *be, Error
**errp);
*/
void qemu_chr_fe_set_echo(CharBackend *be, bool echo);
+/**
+ * qemu_chr_fe_get_winsize:
+ * @cols: the address for storing columns
+ * @rows: the address for storing rows
+ *
+ * Get the size of the terminal connected to the chardev backend.
+ * Returns *cols = *rows = 0, if no associated Chardev.
+ */
+void qemu_chr_fe_get_winsize(CharBackend *be, uint16_t *cols, uint16_t *rows);
+
/**
* qemu_chr_fe_set_open:
*
diff --git a/include/chardev/char.h b/include/chardev/char.h
index 00589a6025..0cea33cb9a 100644
--- a/include/chardev/char.h
+++ b/include/chardev/char.h
@@ -65,6 +65,7 @@ struct Chardev {
char *filename;
int logfd;
int be_open;
+ uint16_t cols, rows;
GSource *gsource;
GMainContext *gcontext;
DECLARE_BITMAP(features, QEMU_CHAR_FEATURE_LAST);
--
2.27.0
- [PATCH v3 0/9] virtio-console: notify about the terminal size, Szymon Lukasz, 2020/06/29
- [PATCH v3 2/9] chardev: add CHR_EVENT_RESIZE, Szymon Lukasz, 2020/06/29
- [PATCH v3 1/9] chardev: add cols, rows fields,
Szymon Lukasz <=
- [PATCH v3 3/9] chardev: add qemu_chr_resize(), Szymon Lukasz, 2020/06/29
- [PATCH v3 4/9] char-mux: add support for the terminal size, Szymon Lukasz, 2020/06/29
- [PATCH v3 7/9] qmp: add chardev-resize command, Szymon Lukasz, 2020/06/29
- [PATCH v3 5/9] main-loop: change the handling of SIGWINCH, Szymon Lukasz, 2020/06/29
- [PATCH v3 6/9] char-stdio: add support for the terminal size, Szymon Lukasz, 2020/06/29
- [PATCH v3 8/9] virtio-serial-bus: add terminal resize messages, Szymon Lukasz, 2020/06/29
- [PATCH v3 9/9] virtio-console: notify the guest about terminal resizes, Szymon Lukasz, 2020/06/29