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input: avoid malloc for mouse events

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Merge remote-tracking branch 'remotes/kraxel/tags/input-20190111-pull-request' into staging

input: avoid malloc for mouse events

# gpg: Signature made Fri 11 Jan 2019 14:26:44 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/input-20190111-pull-request:
  input: avoid malloc for mouse events

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2019-01-14 11:04:35 +00:00
parent d63a6af935 7a1b46e095
commit 4fbfedd12d
2 changed files with 31 additions and 40 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
include/ui/input.h
View file

@ -49,7 +49,6 @@ int qemu_input_key_value_to_scancode(const KeyValue *value, bool down,
int *codes);
int qemu_input_linux_to_qcode(unsigned int lnx);
InputEvent *qemu_input_event_new_btn(InputButton btn, bool down);
void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down);
void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map,
uint32_t button_old, uint32_t button_new);
@ -58,8 +57,6 @@ bool qemu_input_is_absolute(void);
int qemu_input_scale_axis(int value,
int min_in, int max_in,
int min_out, int max_out);
InputEvent *qemu_input_event_new_move(InputEventKind kind,
InputAxis axis, int value);
void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value);
void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value,
int min_in, int max_in);

68
ui/input.c
View file

@ -460,22 +460,18 @@ void qemu_input_event_send_key_delay(uint32_t delay_ms)
}
}
InputEvent *qemu_input_event_new_btn(InputButton btn, bool down)
{
InputEvent *evt = g_new0(InputEvent, 1);
evt->u.btn.data = g_new0(InputBtnEvent, 1);
evt->type = INPUT_EVENT_KIND_BTN;
evt->u.btn.data->button = btn;
evt->u.btn.data->down = down;
return evt;
}
void qemu_input_queue_btn(QemuConsole *src, InputButton btn, bool down)
{
InputEvent *evt;
evt = qemu_input_event_new_btn(btn, down);
qemu_input_event_send(src, evt);
qapi_free_InputEvent(evt);
InputBtnEvent bevt = {
.button = btn,
.down = down,
};
InputEvent evt = {
.type = INPUT_EVENT_KIND_BTN,
.u.btn.data = &bevt,
};
qemu_input_event_send(src, &evt);
}
void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map,
@ -515,37 +511,35 @@ int qemu_input_scale_axis(int value,
return ((int64_t)value - min_in) * range_out / range_in + min_out;
}
InputEvent *qemu_input_event_new_move(InputEventKind kind,
InputAxis axis, int value)
{
InputEvent *evt = g_new0(InputEvent, 1);
InputMoveEvent *move = g_new0(InputMoveEvent, 1);
evt->type = kind;
evt->u.rel.data = move; /* evt->u.rel is the same as evt->u.abs */
move->axis = axis;
move->value = value;
return evt;
}
void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value)
{
InputEvent *evt;
evt = qemu_input_event_new_move(INPUT_EVENT_KIND_REL, axis, value);
qemu_input_event_send(src, evt);
qapi_free_InputEvent(evt);
InputMoveEvent move = {
.axis = axis,
.value = value,
};
InputEvent evt = {
.type = INPUT_EVENT_KIND_REL,
.u.rel.data = &move,
};
qemu_input_event_send(src, &evt);
}
void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value,
int min_in, int max_in)
{
InputEvent *evt;
int scaled = qemu_input_scale_axis(value, min_in, max_in,
InputMoveEvent move = {
.axis = axis,
.value = qemu_input_scale_axis(value, min_in, max_in,
INPUT_EVENT_ABS_MIN,
INPUT_EVENT_ABS_MAX);
evt = qemu_input_event_new_move(INPUT_EVENT_KIND_ABS, axis, scaled);
qemu_input_event_send(src, evt);
qapi_free_InputEvent(evt);
INPUT_EVENT_ABS_MAX),
};
InputEvent evt = {
.type = INPUT_EVENT_KIND_ABS,
.u.abs.data = &move,
};
qemu_input_event_send(src, &evt);
}
void qemu_input_check_mode_change(void)