We add a resize mode to resizor where you can click to resize it using
pointer lock and relative motion.
---
clients/resizor.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
diff --git a/clients/resizor.c b/clients/resizor.c
index 27879a0..563a1ac 100644
--- a/clients/resizor.c
+++ b/clients/resizor.c
@@ -47,6 +47,7 @@ struct resizor {
struct spring width;
struct spring height;
struct wl_callback *frame_callback;
+ struct wl_pointer *pointer_lock;
};
static void
@@ -213,14 +214,87 @@ show_menu(struct resizor *resizor, struct input *input,
uint32_t time)
x - 10, y - 10, menu_func, entries, 4);
}
+
+static void
+pointer_handle_enter(void *data, struct wl_pointer *pointer,
+ uint32_t serial, struct wl_surface *surface,
+ wl_fixed_t sx_w, wl_fixed_t sy_w)
+{
+}
+
+static void
+pointer_handle_leave(void *data, struct wl_pointer *pointer,
+ uint32_t serial, struct wl_surface *surface)
+{
+}
+
+static void
+pointer_handle_motion(void *data, struct wl_pointer *pointer,
+ uint32_t time, wl_fixed_t sx_w, wl_fixed_t sy_w)
+{
+ struct resizor *resizor = data;
+
+ resizor->width.current += wl_fixed_to_double(sx_w);
+ resizor->width.previous = resizor->width.current;
+ resizor->width.target = resizor->width.current;
+
+ resizor->height.current += wl_fixed_to_double(sy_w);
+ resizor->height.previous = resizor->height.current;
+ resizor->height.target = resizor->height.current;
+
+ widget_schedule_resize(resizor->widget,
+ resizor->width.current,
+ resizor->height.current);
+}
+
+static void
+pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
+ uint32_t time, uint32_t button, uint32_t state)
+{
+ struct resizor *resizor = data;
+
+ if (state != WL_POINTER_BUTTON_STATE_PRESSED)
+ return;
+
+ wl_pointer_release(resizor->pointer_lock);
+ resizor->pointer_lock = NULL;
+}
+
+static void
+pointer_handle_axis(void *data, struct wl_pointer *pointer,
+ uint32_t time, uint32_t axis, wl_fixed_t value)
+{
+}
+
+static const struct wl_pointer_listener pointer_listener = {
+ pointer_handle_enter,
+ pointer_handle_leave,
+ pointer_handle_motion,
+ pointer_handle_button,
+ pointer_handle_axis,
+};
+
static void
button_handler(struct widget *widget,
struct input *input, uint32_t time,
uint32_t button, enum wl_pointer_button_state state, void *data)
{
struct resizor *resizor = data;
+ struct wl_seat *seat;
+ struct wl_surface *surface;
switch (button) {
+ case BTN_LEFT:
+ if (state != WL_POINTER_BUTTON_STATE_PRESSED)
+ break;
+
+ seat = input_get_seat(input);
+ surface = window_get_wl_surface(resizor->window);
+ resizor->pointer_lock = wl_seat_lock_pointer(seat, surface);
+ wl_pointer_add_listener(resizor->pointer_lock,
+ &pointer_listener, resizor);
+ break;
+
case BTN_RIGHT:
if (state == WL_POINTER_BUTTON_STATE_PRESSED)
show_menu(resizor, input, time);
--
1.8.1.2
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