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author | Philippe Voinov <philippevoinov@gmail.com> | 2017-05-05 15:39:52 +0200 |
---|---|---|
committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-05-11 09:42:16 +0200 |
commit | 9cfa7ab939f27ffca845ffb9a28c3fa1856c92e7 (patch) | |
tree | ca01d59a8b973d15eccc8521cd480dd98497f680 /ui | |
parent | 76d20ea0f1b26ebd5da2f5fb2fdf3250cde887bb (diff) | |
download | qemu-9cfa7ab939f27ffca845ffb9a28c3fa1856c92e7.zip qemu-9cfa7ab939f27ffca845ffb9a28c3fa1856c92e7.tar.gz qemu-9cfa7ab939f27ffca845ffb9a28c3fa1856c92e7.tar.bz2 |
ui: Support non-zero minimum values for absolute input axes
This patch refactors ui/input.c to support absolute axis
minimum values other than 0. All dependent calls to qemu_input_queue_abs
have been updated to explicitly supply 0 as the axis minimum value.
Signed-off-by: Philippe Voinov <philippevoinov@gmail.com>
Message-id: 20170505133952.29885-1-philippevoinov@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui')
-rw-r--r-- | ui/cocoa.m | 4 | ||||
-rw-r--r-- | ui/gtk.c | 4 | ||||
-rw-r--r-- | ui/input.c | 31 | ||||
-rw-r--r-- | ui/sdl.c | 4 | ||||
-rw-r--r-- | ui/sdl2.c | 4 | ||||
-rw-r--r-- | ui/spice-input.c | 4 | ||||
-rw-r--r-- | ui/vnc.c | 4 |
7 files changed, 34 insertions, 21 deletions
@@ -749,8 +749,8 @@ QemuCocoaView *cocoaView; * clicks in the titlebar. */ if ([self screenContainsPoint:p]) { - qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, screen.width); - qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, screen.height); + qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, p.x, 0, screen.width); + qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, screen.height - p.y, 0, screen.height); } } else { qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, (int)[event deltaX]); @@ -912,9 +912,9 @@ static gboolean gd_motion_event(GtkWidget *widget, GdkEventMotion *motion, return TRUE; } qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_X, x, - surface_width(vc->gfx.ds)); + 0, surface_width(vc->gfx.ds)); qemu_input_queue_abs(vc->gfx.dcl.con, INPUT_AXIS_Y, y, - surface_height(vc->gfx.ds)); + 0, surface_height(vc->gfx.ds)); qemu_input_event_sync(); } else if (s->last_set && s->ptr_owner == vc) { qemu_input_queue_rel(vc->gfx.dcl.con, INPUT_AXIS_X, x - s->last_x); @@ -166,6 +166,11 @@ void qmp_input_send_event(bool has_device, const char *device, qemu_input_event_sync(); } +static int qemu_input_transform_invert_abs_value(int value) +{ + return (int64_t)INPUT_EVENT_ABS_MAX - value + INPUT_EVENT_ABS_MIN; +} + static void qemu_input_transform_abs_rotate(InputEvent *evt) { InputMoveEvent *move = evt->u.abs.data; @@ -175,16 +180,16 @@ static void qemu_input_transform_abs_rotate(InputEvent *evt) move->axis = INPUT_AXIS_Y; } else if (move->axis == INPUT_AXIS_Y) { move->axis = INPUT_AXIS_X; - move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; + move->value = qemu_input_transform_invert_abs_value(move->value); } break; case 180: - move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; + move->value = qemu_input_transform_invert_abs_value(move->value); break; case 270: if (move->axis == INPUT_AXIS_X) { move->axis = INPUT_AXIS_Y; - move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value; + move->value = qemu_input_transform_invert_abs_value(move->value); } else if (move->axis == INPUT_AXIS_Y) { move->axis = INPUT_AXIS_X; } @@ -467,12 +472,17 @@ bool qemu_input_is_absolute(void) return (s != NULL) && (s->handler->mask & INPUT_EVENT_MASK_ABS); } -int qemu_input_scale_axis(int value, int size_in, int size_out) +int qemu_input_scale_axis(int value, + int min_in, int max_in, + int min_out, int max_out) { - if (size_in < 2) { - return size_out / 2; + int64_t range_in = (int64_t)max_in - min_in; + int64_t range_out = (int64_t)max_out - min_out; + + if (range_in < 1) { + return min_out + range_out / 2; } - return (int64_t)value * (size_out - 1) / (size_in - 1); + return ((int64_t)value - min_in) * range_out / range_in + min_out; } InputEvent *qemu_input_event_new_move(InputEventKind kind, @@ -496,10 +506,13 @@ void qemu_input_queue_rel(QemuConsole *src, InputAxis axis, int value) qapi_free_InputEvent(evt); } -void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, int size) +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, size, INPUT_EVENT_ABS_SIZE); + int scaled = 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); @@ -490,9 +490,9 @@ static void sdl_send_mouse_event(int dx, int dy, int x, int y, int state) if (qemu_input_is_absolute()) { qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, x, - real_screen->w); + 0, real_screen->w); qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, y, - real_screen->h); + 0, real_screen->h); } else { if (guest_cursor) { x -= guest_x; @@ -298,8 +298,8 @@ static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, } } } - qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w); - qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_h); + qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, 0, max_w); + qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, 0, max_h); } else { if (guest_cursor) { x -= guest_x; diff --git a/ui/spice-input.c b/ui/spice-input.c index 8eeebdb..86293dd 100644 --- a/ui/spice-input.c +++ b/ui/spice-input.c @@ -172,8 +172,8 @@ static void tablet_position(SpiceTabletInstance* sin, int x, int y, QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet); spice_update_buttons(pointer, 0, buttons_state); - qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, pointer->width); - qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, pointer->height); + qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, 0, pointer->width); + qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, 0, pointer->height); qemu_input_event_sync(); } @@ -1556,8 +1556,8 @@ static void pointer_event(VncState *vs, int button_mask, int x, int y) } if (vs->absolute) { - qemu_input_queue_abs(con, INPUT_AXIS_X, x, width); - qemu_input_queue_abs(con, INPUT_AXIS_Y, y, height); + qemu_input_queue_abs(con, INPUT_AXIS_X, x, 0, width); + qemu_input_queue_abs(con, INPUT_AXIS_Y, y, 0, height); } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { qemu_input_queue_rel(con, INPUT_AXIS_X, x - 0x7FFF); qemu_input_queue_rel(con, INPUT_AXIS_Y, y - 0x7FFF); |