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wlr_cursor_device create and destroy

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Refactor wlr_cursor_device creation and destruction into their own functions.

Properly unsubscribe from signals in the wlr_cursor_device_destroy function.
This commit is contained in:
Tony Crisci 2017-09-05 17:45:05 -04:00
parent c5a2014a2f
commit 6c24300d13
1 changed files with 88 additions and 62 deletions
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148
types/wlr_cursor.c
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@ -354,6 +354,70 @@ static void handle_device_destroy(struct wl_listener *listener, void *data) {
wlr_cursor_detach_input_device(c_device->cursor, c_device->device);
}
static struct wlr_cursor_device *wlr_cursor_device_create(
struct wlr_cursor *cursor, struct wlr_input_device *device) {
struct wlr_cursor_device *c_device =
calloc(1, sizeof(struct wlr_cursor_device));
if (!c_device) {
wlr_log(L_ERROR, "Failed to allocate wlr_cursor_device");
return NULL;
}
c_device->cursor = cursor;
c_device->device = device;
// listen to events
wl_signal_add(&device->events.destroy, &c_device->destroy);
c_device->destroy.notify = handle_device_destroy;
if (device->type == WLR_INPUT_DEVICE_POINTER) {
wl_signal_add(&device->pointer->events.motion, &c_device->motion);
c_device->motion.notify = handle_pointer_motion;
wl_signal_add(&device->pointer->events.motion_absolute,
&c_device->motion_absolute);
c_device->motion_absolute.notify = handle_pointer_motion_absolute;
wl_signal_add(&device->pointer->events.button, &c_device->button);
c_device->button.notify = handle_pointer_button;
wl_signal_add(&device->pointer->events.axis, &c_device->axis);
c_device->axis.notify = handle_pointer_axis;
} else if (device->type == WLR_INPUT_DEVICE_TOUCH) {
wl_signal_add(&device->touch->events.motion, &c_device->touch_motion);
c_device->touch_motion.notify = handle_touch_motion;
wl_signal_add(&device->touch->events.down, &c_device->touch_down);
c_device->touch_down.notify = handle_touch_down;
wl_signal_add(&device->touch->events.up, &c_device->touch_up);
c_device->touch_up.notify = handle_touch_up;
wl_signal_add(&device->touch->events.cancel, &c_device->touch_cancel);
c_device->touch_cancel.notify = handle_touch_cancel;
} else if (device->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
wl_signal_add(&device->tablet_tool->events.tip,
&c_device->tablet_tool_tip);
c_device->tablet_tool_tip.notify = handle_tablet_tool_tip;
wl_signal_add(&device->tablet_tool->events.proximity,
&c_device->tablet_tool_proximity);
c_device->tablet_tool_proximity.notify = handle_tablet_tool_proximity;
wl_signal_add(&device->tablet_tool->events.axis,
&c_device->tablet_tool_axis);
c_device->tablet_tool_axis.notify = handle_tablet_tool_axis;
wl_signal_add(&device->tablet_tool->events.button,
&c_device->tablet_tool_button);
c_device->tablet_tool_button.notify = handle_tablet_tool_button;
}
wl_list_insert(&cursor->state->devices, &c_device->link);
return c_device;
}
void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
if (dev->type != WLR_INPUT_DEVICE_POINTER &&
@ -372,80 +436,42 @@ void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
}
}
struct wlr_cursor_device *device;
device = calloc(1, sizeof(struct wlr_cursor_device));
if (!device) {
wlr_log(L_ERROR, "Failed to allocate wlr_cursor_device");
return;
wlr_cursor_device_create(cur, dev);
}
device->cursor = cur;
device->device = dev;
// listen to events
wl_signal_add(&dev->events.destroy, &device->destroy);
device->destroy.notify = handle_device_destroy;
static void wlr_cursor_device_destroy(struct wlr_cursor_device *c_device) {
struct wlr_input_device *dev = c_device->device;
if (dev->type == WLR_INPUT_DEVICE_POINTER) {
wl_signal_add(&dev->pointer->events.motion, &device->motion);
device->motion.notify = handle_pointer_motion;
wl_signal_add(&dev->pointer->events.motion_absolute,
&device->motion_absolute);
device->motion_absolute.notify = handle_pointer_motion_absolute;
wl_signal_add(&dev->pointer->events.button, &device->button);
device->button.notify = handle_pointer_button;
wl_signal_add(&dev->pointer->events.axis, &device->axis);
device->axis.notify = handle_pointer_axis;
wl_list_remove(&c_device->motion.link);
wl_list_remove(&c_device->motion_absolute.link);
wl_list_remove(&c_device->button.link);
wl_list_remove(&c_device->axis.link);
} else if (dev->type == WLR_INPUT_DEVICE_TOUCH) {
wl_signal_add(&dev->touch->events.motion, &device->touch_motion);
device->touch_motion.notify = handle_touch_motion;
wl_signal_add(&dev->touch->events.down, &device->touch_down);
device->touch_down.notify = handle_touch_down;
wl_signal_add(&dev->touch->events.up, &device->touch_up);
device->touch_up.notify = handle_touch_up;
wl_signal_add(&dev->touch->events.cancel, &device->touch_cancel);
device->touch_cancel.notify = handle_touch_cancel;
wl_list_remove(&c_device->touch_down.link);
wl_list_remove(&c_device->touch_up.link);
wl_list_remove(&c_device->touch_motion.link);
wl_list_remove(&c_device->touch_cancel.link);
} else if (dev->type == WLR_INPUT_DEVICE_TABLET_TOOL) {
wl_signal_add(&dev->tablet_tool->events.tip, &device->tablet_tool_tip);
device->tablet_tool_tip.notify = handle_tablet_tool_tip;
wl_signal_add(&dev->tablet_tool->events.proximity,
&device->tablet_tool_proximity);
device->tablet_tool_proximity.notify = handle_tablet_tool_proximity;
wl_signal_add(&dev->tablet_tool->events.axis,
&device->tablet_tool_axis);
device->tablet_tool_axis.notify = handle_tablet_tool_axis;
wl_signal_add(&dev->tablet_tool->events.button,
&device->tablet_tool_button);
device->tablet_tool_button.notify = handle_tablet_tool_button;
wl_list_remove(&c_device->tablet_tool_axis.link);
wl_list_remove(&c_device->tablet_tool_proximity.link);
wl_list_remove(&c_device->tablet_tool_tip.link);
wl_list_remove(&c_device->tablet_tool_button.link);
}
wl_list_insert(&cur->state->devices, &device->link);
wl_list_remove(&c_device->link);
wl_list_remove(&c_device->destroy.link);
free(c_device);
}
void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
struct wlr_cursor_device *target_device = NULL, *_device = NULL;
wl_list_for_each(_device, &cur->state->devices, link) {
if (_device->device == dev) {
target_device = _device;
break;
struct wlr_cursor_device *c_device, *tmp = NULL;
wl_list_for_each_safe(c_device, tmp, &cur->state->devices, link) {
if (c_device->device == dev) {
wlr_cursor_device_destroy(c_device);
}
}
if (target_device) {
wl_list_remove(&target_device->link);
free(target_device);
}
}
static void handle_layout_destroy(struct wl_listener *listener, void *data) {