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Move resizing to a grab object

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This commit is contained in:
Kristian Høgsberg 2010-12-07 13:04:43 -05:00
parent 359d667646
commit fc9c28adc0
1 changed files with 87 additions and 42 deletions
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129
compositor/compositor.c
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@ -522,8 +522,6 @@ wlsc_input_device_start_grab(struct wlsc_input_device *device,
device->grab_y = device->y;
device->grab_dx = focus->x - device->grab_x;
device->grab_dy = focus->y - device->grab_y;
device->grab_width = focus->width;
device->grab_height = focus->height;
device->grab_listener.func = lose_grab_surface;
wl_list_insert(focus->surface.destroy_listener_list.prev,
@ -559,13 +557,85 @@ shell_move(struct wl_client *client, struct wl_shell *shell,
wlsc_input_device_set_pointer_image(wd, WLSC_POINTER_DRAGGING);
}
struct wlsc_resize_grab {
struct wl_grab grab;
uint32_t edges;
int32_t dx, dy, width, height;
};
static void
resize_grab_motion(struct wl_grab *grab,
uint32_t time, int32_t x, int32_t y)
{
struct wlsc_resize_grab *resize = (struct wlsc_resize_grab *) grab;
struct wlsc_input_device *device =
(struct wlsc_input_device *) grab->input_device;
struct wlsc_surface *es =
(struct wlsc_surface *) device->input_device.pointer_focus;
int32_t sx, sy, width, height;
if (resize->edges & WLSC_DEVICE_GRAB_RESIZE_LEFT) {
sx = x + resize->dx;
width = device->grab_x - x + resize->width;
} else if (resize->edges & WLSC_DEVICE_GRAB_RESIZE_RIGHT) {
sx = device->grab_x + resize->dx;
width = x - device->grab_x + resize->width;
} else {
sx = device->grab_x + resize->dx;
width = resize->width;
}
if (resize->edges & WLSC_DEVICE_GRAB_RESIZE_TOP) {
sy = y + resize->dy;
height = device->grab_y - y + resize->height;
} else if (resize->edges & WLSC_DEVICE_GRAB_RESIZE_BOTTOM) {
sy = device->grab_y + resize->dy;
height = y - device->grab_y + resize->height;
} else {
sy = device->grab_y + resize->dy;
height = resize->height;
}
wl_client_post_event(es->surface.client,
&device->ec->shell.object,
WL_SHELL_CONFIGURE, time, resize->edges,
&es->surface, sx, sy, width, height);
}
static void
resize_grab_end(struct wl_grab *grab)
{
free(grab);
}
struct wl_grab_interface resize_grab_interface = {
resize_grab_motion,
resize_grab_end
};
static void
shell_resize(struct wl_client *client, struct wl_shell *shell,
struct wl_surface *surface,
struct wl_input_device *device, uint32_t time, uint32_t edges)
{
struct wlsc_input_device *wd = (struct wlsc_input_device *) device;
struct wlsc_resize_grab *resize;
enum wlsc_pointer_type pointer = WLSC_POINTER_LEFT_PTR;
struct wlsc_surface *es = (struct wlsc_surface *) surface;
resize = malloc(sizeof *resize);
if (!resize) {
wl_client_post_no_memory(client);
return;
}
resize->grab.interface = &resize_grab_interface;
resize->grab.input_device = device;
resize->edges = edges;
resize->dx = es->x - wd->grab_x;
resize->dy = es->y - wd->grab_y;
resize->width = es->width;
resize->height = es->height;
if (edges == 0 || edges > 15 ||
(edges & 3) == 3 || (edges & 12) == 12)
@ -602,6 +672,7 @@ shell_resize(struct wl_client *client, struct wl_shell *shell,
return;
wlsc_input_device_set_pointer_image(wd, pointer);
wd->grab_object = &resize->grab;
}
static void
@ -728,7 +799,7 @@ notify_motion(struct wlsc_input_device *device, uint32_t time, int x, int y)
struct wlsc_compositor *ec = device->ec;
struct wlsc_output *output;
struct wl_grab_interface *interface;
int32_t sx, sy, width, height;
int32_t sx, sy;
/* FIXME: We need some multi head love here. */
output = container_of(ec->output_list.next, struct wlsc_output, link);
@ -747,7 +818,9 @@ notify_motion(struct wlsc_input_device *device, uint32_t time, int x, int y)
if (device->grab_object) {
interface = device->grab_object->interface;
interface->motion(device->grab_object, time, x, y);
} else switch (device->grab) {
}
switch (device->grab) {
case WLSC_DEVICE_GRAB_NONE:
es = pick_surface(device, &sx, &sy);
wl_input_device_set_pointer_focus(&device->input_device,
@ -784,44 +857,6 @@ notify_motion(struct wlsc_input_device *device, uint32_t time, int x, int y)
break;
case WLSC_DEVICE_GRAB_RESIZE_TOP:
case WLSC_DEVICE_GRAB_RESIZE_BOTTOM:
case WLSC_DEVICE_GRAB_RESIZE_LEFT:
case WLSC_DEVICE_GRAB_RESIZE_TOP_LEFT:
case WLSC_DEVICE_GRAB_RESIZE_BOTTOM_LEFT:
case WLSC_DEVICE_GRAB_RESIZE_RIGHT:
case WLSC_DEVICE_GRAB_RESIZE_TOP_RIGHT:
case WLSC_DEVICE_GRAB_RESIZE_BOTTOM_RIGHT:
case WLSC_DEVICE_GRAB_RESIZE_MASK:
es = (struct wlsc_surface *) device->input_device.pointer_focus;
if (device->grab & WLSC_DEVICE_GRAB_RESIZE_LEFT) {
sx = x + device->grab_dx;
width = device->grab_x - x + device->grab_width;
} else if (device->grab & WLSC_DEVICE_GRAB_RESIZE_RIGHT) {
sx = device->grab_x + device->grab_dx;
width = x - device->grab_x + device->grab_width;
} else {
sx = device->grab_x + device->grab_dx;
width = device->grab_width;
}
if (device->grab & WLSC_DEVICE_GRAB_RESIZE_TOP) {
sy = y + device->grab_dy;
height = device->grab_y - y + device->grab_height;
} else if (device->grab & WLSC_DEVICE_GRAB_RESIZE_BOTTOM) {
sy = device->grab_y + device->grab_dy;
height = y - device->grab_y + device->grab_height;
} else {
sy = device->grab_y + device->grab_dy;
height = device->grab_height;
}
wl_client_post_event(es->surface.client,
&ec->shell.object,
WL_SHELL_CONFIGURE, time, device->grab,
&es->surface, sx, sy, width, height);
break;
case WLSC_DEVICE_GRAB_DRAG:
es = pick_surface(device, &sx, &sy);
wl_drag_set_pointer_focus(device->drag,
@ -833,6 +868,9 @@ notify_motion(struct wlsc_input_device *device, uint32_t time, int x, int y)
time, x, y, sx, sy);
break;
default:
/* Other grabs are handled as grab objects. */
break;
}
device->sprite->x = device->x - device->hotspot_x;
@ -847,8 +885,15 @@ wlsc_input_device_end_grab(struct wlsc_input_device *device, uint32_t time)
{
struct wl_drag *drag = device->drag;
struct wlsc_surface *es;
struct wl_grab_interface *interface;
int32_t sx, sy;
if (device->grab_object) {
interface = device->grab_object->interface;
interface->end(device->grab_object);
device->grab_object = NULL;
}
switch (device->grab) {
case WLSC_DEVICE_GRAB_DRAG:
wl_drag_set_pointer_focus(drag, NULL, time, 0, 0, 0, 0);