mirror of
https://github.com/labwc/labwc.git
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Add cursor.c
This commit is contained in:
Johan Malm
parent
3b7e2c9e09
commit
40d3e1b175
4 changed files with 228 additions and 211 deletions
227
src/cursor.c
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227
src/cursor.c
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@ -0,0 +1,227 @@
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#include "labwc.h"
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static void process_cursor_move(struct server *server, uint32_t time)
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{
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/* Move the grabbed view to the new position. */
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double dx = server->cursor->x - server->grab_x;
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double dy = server->cursor->y - server->grab_y;
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server->grabbed_view->x = server->grab_box.x + dx;
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server->grabbed_view->y = server->grab_box.y + dy;
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if (server->grabbed_view->type != LAB_XWAYLAND_VIEW)
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return;
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struct view *view = server->grabbed_view;
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wlr_xwayland_surface_configure(view->xwayland_surface, view->x, view->y,
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view->xwayland_surface->width,
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view->xwayland_surface->height);
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}
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#define MIN_VIEW_WIDTH (100)
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#define MIN_VIEW_HEIGHT (60)
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static void process_cursor_resize(struct server *server, uint32_t time)
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{
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/*
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* TODO: Wait for the client to prepare a buffer at the new size, then
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* commit any movement that was prepared.
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*/
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double dx = server->cursor->x - server->grab_x;
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double dy = server->cursor->y - server->grab_y;
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struct view *view = server->grabbed_view;
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struct wlr_box new_view_geo = view_geometry(view);
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if (server->resize_edges & WLR_EDGE_TOP) {
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new_view_geo.y = server->grab_box.y + dy;
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new_view_geo.height = server->grab_box.height - dy;
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} else if (server->resize_edges & WLR_EDGE_BOTTOM) {
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new_view_geo.height = server->grab_box.height + dy;
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}
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if (server->resize_edges & WLR_EDGE_LEFT) {
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new_view_geo.x = server->grab_box.x + dx;
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new_view_geo.width = server->grab_box.width - dx;
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} else if (server->resize_edges & WLR_EDGE_RIGHT) {
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new_view_geo.width = server->grab_box.width + dx;
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}
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if ((new_view_geo.height < MIN_VIEW_HEIGHT) ||
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(new_view_geo.width < MIN_VIEW_WIDTH))
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return;
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/* Move */
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view->x = new_view_geo.x;
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view->y = new_view_geo.y;
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/* Resize */
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view_resize(view, new_view_geo);
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}
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static void process_cursor_motion(struct server *server, uint32_t time)
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{
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/* If the mode is non-passthrough, delegate to those functions. */
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if (server->cursor_mode == TINYWL_CURSOR_MOVE) {
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process_cursor_move(server, time);
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return;
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} else if (server->cursor_mode == TINYWL_CURSOR_RESIZE) {
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process_cursor_resize(server, time);
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return;
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}
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/* Otherwise, find the view under the pointer and send the event along.
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*/
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double sx, sy;
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struct wlr_seat *seat = server->seat;
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struct wlr_surface *surface = NULL;
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int view_area;
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struct view *view = view_at(server, server->cursor->x,
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server->cursor->y, &surface, &sx, &sy,
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&view_area);
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if (!view) {
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/* If there's no view under the cursor, set the cursor image to
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* a default. This is what makes the cursor image appear when
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* you move it around the screen, not over any views. */
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_ptr", server->cursor);
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}
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switch (view_area) {
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case LAB_DECO_PART_TOP:
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_ptr", server->cursor);
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break;
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case LAB_DECO_PART_LEFT:
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_side", server->cursor);
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break;
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}
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if (surface) {
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bool focus_changed = seat->pointer_state.focused_surface !=
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surface;
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/*
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* "Enter" the surface if necessary. This lets the client know
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* that the cursor has entered one of its surfaces.
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*
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* Note that this gives the surface "pointer focus", which is
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* distinct from keyboard focus. You get pointer focus by moving
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* the pointer over a window.
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*/
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wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
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if (!focus_changed) {
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/* The enter event contains coordinates, so we only need
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* to notify on motion if the focus did not change. */
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wlr_seat_pointer_notify_motion(seat, time, sx, sy);
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}
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} else {
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/* Clear pointer focus so future button events and such are not
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* sent to the last client to have the cursor over it. */
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wlr_seat_pointer_clear_focus(seat);
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}
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}
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void server_cursor_motion(struct wl_listener *listener, void *data)
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{
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/*
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* This event is forwarded by the cursor when a pointer emits a
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* _relative_ pointer motion event (i.e. a delta)
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*/
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struct server *server =
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wl_container_of(listener, server, cursor_motion);
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struct wlr_event_pointer_motion *event = data;
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/*
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* The cursor doesn't move unless we tell it to. The cursor
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* automatically handles constraining the motion to the output layout,
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* as well as any special configuration applied for the specific input
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* device which generated the event. You can pass NULL for the device
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* if you want to move the cursor around without any input.
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*/
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wlr_cursor_move(server->cursor, event->device, event->delta_x,
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event->delta_y);
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process_cursor_motion(server, event->time_msec);
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}
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void server_cursor_motion_absolute(struct wl_listener *listener, void *data)
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{
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/*
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* This event is forwarded by the cursor when a pointer emits an
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* _absolute_ motion event, from 0..1 on each axis. This happens, for
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* example, when wlroots is running under a Wayland window rather than
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* KMS+DRM, and you move the mouse over the window. You could enter the
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* window from any edge, so we have to warp the mouse there. There is
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* also some hardware which emits these events.
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*/
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struct server *server =
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wl_container_of(listener, server, cursor_motion_absolute);
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struct wlr_event_pointer_motion_absolute *event = data;
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wlr_cursor_warp_absolute(server->cursor, event->device, event->x,
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event->y);
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process_cursor_motion(server, event->time_msec);
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}
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void server_cursor_button(struct wl_listener *listener, void *data)
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{
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/*
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* This event is forwarded by the cursor when a pointer emits a button
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* event.
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*/
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struct server *server =
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wl_container_of(listener, server, cursor_button);
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struct wlr_event_pointer_button *event = data;
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/*
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* Notify the client with pointer focus that a button press has
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* occurred.
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*/
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wlr_seat_pointer_notify_button(server->seat, event->time_msec,
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event->button, event->state);
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double sx, sy;
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struct wlr_surface *surface;
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int view_area;
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struct view *view = view_at(server, server->cursor->x,
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server->cursor->y, &surface, &sx, &sy,
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&view_area);
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if (event->state == WLR_BUTTON_RELEASED) {
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/* Exit interactive move/resize mode. */
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server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH;
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} else {
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/* Focus that client if the button was _pressed_ */
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view_focus(view);
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switch (view_area) {
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case LAB_DECO_PART_TOP:
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interactive_begin(view, TINYWL_CURSOR_MOVE, 0);
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break;
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case LAB_DECO_PART_LEFT:
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interactive_begin(view, TINYWL_CURSOR_RESIZE,
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WLR_EDGE_LEFT);
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break;
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}
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}
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}
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void server_cursor_axis(struct wl_listener *listener, void *data)
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{
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/*
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* This event is forwarded by the cursor when a pointer emits an axis
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* event, for example when you move the scroll wheel.
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*/
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struct server *server = wl_container_of(listener, server, cursor_axis);
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struct wlr_event_pointer_axis *event = data;
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/* Notify the client with pointer focus of the axis event. */
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wlr_seat_pointer_notify_axis(server->seat, event->time_msec,
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event->orientation, event->delta,
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event->delta_discrete, event->source);
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}
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void server_cursor_frame(struct wl_listener *listener, void *data)
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{
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/*
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* This event is forwarded by the cursor when a pointer emits an frame
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* event. Frame events are sent after regular pointer events to group
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* multiple events together. For instance, two axis events may happen
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* at the same time, in which case a frame event won't be sent in
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* between.
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*/
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struct server *server = wl_container_of(listener, server, cursor_frame);
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/* Notify the client with pointer focus of the frame event. */
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wlr_seat_pointer_notify_frame(server->seat);
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}
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@ -17,4 +17,3 @@ void interactive_begin(struct view *view, enum cursor_mode mode, uint32_t edges)
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server->grab_box = view_geometry(view);
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server->grab_box = view_geometry(view);
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server->resize_edges = edges;
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server->resize_edges = edges;
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}
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}
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@ -1,4 +1,5 @@
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labwc_sources = files(
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labwc_sources = files(
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'cursor.c',
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'deco.c',
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'deco.c',
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'interactive.c',
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'interactive.c',
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'main.c',
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'main.c',
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210
src/server.c
210
src/server.c
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@ -1,8 +1,5 @@
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#include "labwc.h"
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#include "labwc.h"
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#define MIN_VIEW_WIDTH (100)
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#define MIN_VIEW_HEIGHT (60)
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static void keyboard_handle_modifiers(struct wl_listener *listener, void *data)
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static void keyboard_handle_modifiers(struct wl_listener *listener, void *data)
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{
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{
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/*
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/*
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@ -212,213 +209,6 @@ void seat_request_set_selection(struct wl_listener *listener, void *data)
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wlr_seat_set_selection(server->seat, event->source, event->serial);
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wlr_seat_set_selection(server->seat, event->source, event->serial);
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}
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}
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static void process_cursor_move(struct server *server, uint32_t time)
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{
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/* Move the grabbed view to the new position. */
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double dx = server->cursor->x - server->grab_x;
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double dy = server->cursor->y - server->grab_y;
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server->grabbed_view->x = server->grab_box.x + dx;
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server->grabbed_view->y = server->grab_box.y + dy;
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if (server->grabbed_view->type != LAB_XWAYLAND_VIEW)
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return;
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struct view *view = server->grabbed_view;
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wlr_xwayland_surface_configure(view->xwayland_surface, view->x, view->y,
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view->xwayland_surface->width,
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view->xwayland_surface->height);
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}
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static void process_cursor_resize(struct server *server, uint32_t time)
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{
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/*
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* TODO: Wait for the client to prepare a buffer at the new size, then
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* commit any movement that was prepared.
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*/
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double dx = server->cursor->x - server->grab_x;
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double dy = server->cursor->y - server->grab_y;
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struct view *view = server->grabbed_view;
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struct wlr_box new_view_geo = view_geometry(view);
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if (server->resize_edges & WLR_EDGE_TOP) {
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new_view_geo.y = server->grab_box.y + dy;
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new_view_geo.height = server->grab_box.height - dy;
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} else if (server->resize_edges & WLR_EDGE_BOTTOM) {
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new_view_geo.height = server->grab_box.height + dy;
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}
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if (server->resize_edges & WLR_EDGE_LEFT) {
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new_view_geo.x = server->grab_box.x + dx;
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new_view_geo.width = server->grab_box.width - dx;
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} else if (server->resize_edges & WLR_EDGE_RIGHT) {
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new_view_geo.width = server->grab_box.width + dx;
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}
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if ((new_view_geo.height < MIN_VIEW_HEIGHT) ||
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(new_view_geo.width < MIN_VIEW_WIDTH))
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return;
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/* Move */
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view->x = new_view_geo.x;
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view->y = new_view_geo.y;
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/* Resize */
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view_resize(view, new_view_geo);
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}
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static void process_cursor_motion(struct server *server, uint32_t time)
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{
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/* If the mode is non-passthrough, delegate to those functions. */
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if (server->cursor_mode == TINYWL_CURSOR_MOVE) {
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process_cursor_move(server, time);
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return;
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} else if (server->cursor_mode == TINYWL_CURSOR_RESIZE) {
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process_cursor_resize(server, time);
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return;
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}
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/* Otherwise, find the view under the pointer and send the event along.
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*/
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double sx, sy;
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struct wlr_seat *seat = server->seat;
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struct wlr_surface *surface = NULL;
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int view_area;
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struct view *view = view_at(server, server->cursor->x,
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server->cursor->y, &surface, &sx, &sy,
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&view_area);
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if (!view) {
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/* If there's no view under the cursor, set the cursor image to
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* a default. This is what makes the cursor image appear when
|
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* you move it around the screen, not over any views. */
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_ptr", server->cursor);
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}
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switch (view_area) {
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case LAB_DECO_PART_TOP:
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_ptr", server->cursor);
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break;
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case LAB_DECO_PART_LEFT:
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wlr_xcursor_manager_set_cursor_image(
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server->cursor_mgr, "left_side", server->cursor);
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break;
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}
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if (surface) {
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bool focus_changed = seat->pointer_state.focused_surface !=
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surface;
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/*
|
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* "Enter" the surface if necessary. This lets the client know
|
|
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* that the cursor has entered one of its surfaces.
|
|
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*
|
|
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* Note that this gives the surface "pointer focus", which is
|
|
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* distinct from keyboard focus. You get pointer focus by moving
|
|
||||||
* the pointer over a window.
|
|
||||||
*/
|
|
||||||
wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
|
|
||||||
if (!focus_changed) {
|
|
||||||
/* The enter event contains coordinates, so we only need
|
|
||||||
* to notify on motion if the focus did not change. */
|
|
||||||
wlr_seat_pointer_notify_motion(seat, time, sx, sy);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
/* Clear pointer focus so future button events and such are not
|
|
||||||
* sent to the last client to have the cursor over it. */
|
|
||||||
wlr_seat_pointer_clear_focus(seat);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_cursor_motion(struct wl_listener *listener, void *data)
|
|
||||||
{
|
|
||||||
/* This event is forwarded by the cursor when a pointer emits a
|
|
||||||
* _relative_ pointer motion event (i.e. a delta) */
|
|
||||||
struct server *server =
|
|
||||||
wl_container_of(listener, server, cursor_motion);
|
|
||||||
struct wlr_event_pointer_motion *event = data;
|
|
||||||
/* The cursor doesn't move unless we tell it to. The cursor
|
|
||||||
* automatically handles constraining the motion to the output layout,
|
|
||||||
* as well as any special configuration applied for the specific input
|
|
||||||
* device which generated the event. You can pass NULL for the device if
|
|
||||||
* you want to move the cursor around without any input. */
|
|
||||||
wlr_cursor_move(server->cursor, event->device, event->delta_x,
|
|
||||||
event->delta_y);
|
|
||||||
process_cursor_motion(server, event->time_msec);
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_cursor_motion_absolute(struct wl_listener *listener, void *data)
|
|
||||||
{
|
|
||||||
/* This event is forwarded by the cursor when a pointer emits an
|
|
||||||
* _absolute_ motion event, from 0..1 on each axis. This happens, for
|
|
||||||
* example, when wlroots is running under a Wayland window rather than
|
|
||||||
* KMS+DRM, and you move the mouse over the window. You could enter the
|
|
||||||
* window from any edge, so we have to warp the mouse there. There is
|
|
||||||
* also some hardware which emits these events. */
|
|
||||||
struct server *server =
|
|
||||||
wl_container_of(listener, server, cursor_motion_absolute);
|
|
||||||
struct wlr_event_pointer_motion_absolute *event = data;
|
|
||||||
wlr_cursor_warp_absolute(server->cursor, event->device, event->x,
|
|
||||||
event->y);
|
|
||||||
process_cursor_motion(server, event->time_msec);
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_cursor_button(struct wl_listener *listener, void *data)
|
|
||||||
{
|
|
||||||
/* This event is forwarded by the cursor when a pointer emits a button
|
|
||||||
* event. */
|
|
||||||
struct server *server =
|
|
||||||
wl_container_of(listener, server, cursor_button);
|
|
||||||
struct wlr_event_pointer_button *event = data;
|
|
||||||
/* Notify the client with pointer focus that a button press has occurred
|
|
||||||
*/
|
|
||||||
wlr_seat_pointer_notify_button(server->seat, event->time_msec,
|
|
||||||
event->button, event->state);
|
|
||||||
double sx, sy;
|
|
||||||
struct wlr_surface *surface;
|
|
||||||
int view_area;
|
|
||||||
struct view *view = view_at(server, server->cursor->x,
|
|
||||||
server->cursor->y, &surface, &sx, &sy,
|
|
||||||
&view_area);
|
|
||||||
if (event->state == WLR_BUTTON_RELEASED) {
|
|
||||||
/* If you released any buttons, we exit interactive move/resize
|
|
||||||
* mode. */
|
|
||||||
server->cursor_mode = TINYWL_CURSOR_PASSTHROUGH;
|
|
||||||
} else {
|
|
||||||
/* Focus that client if the button was _pressed_ */
|
|
||||||
view_focus(view);
|
|
||||||
switch (view_area) {
|
|
||||||
case LAB_DECO_PART_TOP:
|
|
||||||
interactive_begin(view, TINYWL_CURSOR_MOVE, 0);
|
|
||||||
break;
|
|
||||||
case LAB_DECO_PART_LEFT:
|
|
||||||
interactive_begin(view, TINYWL_CURSOR_RESIZE,
|
|
||||||
WLR_EDGE_LEFT);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_cursor_axis(struct wl_listener *listener, void *data)
|
|
||||||
{
|
|
||||||
/* This event is forwarded by the cursor when a pointer emits an axis
|
|
||||||
* event, for example when you move the scroll wheel. */
|
|
||||||
struct server *server = wl_container_of(listener, server, cursor_axis);
|
|
||||||
struct wlr_event_pointer_axis *event = data;
|
|
||||||
/* Notify the client with pointer focus of the axis event. */
|
|
||||||
wlr_seat_pointer_notify_axis(server->seat, event->time_msec,
|
|
||||||
event->orientation, event->delta,
|
|
||||||
event->delta_discrete, event->source);
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_cursor_frame(struct wl_listener *listener, void *data)
|
|
||||||
{
|
|
||||||
/* This event is forwarded by the cursor when a pointer emits an frame
|
|
||||||
* event. Frame events are sent after regular pointer events to group
|
|
||||||
* multiple events together. For instance, two axis events may happen at
|
|
||||||
* the
|
|
||||||
* same time, in which case a frame event won't be sent in between. */
|
|
||||||
struct server *server = wl_container_of(listener, server, cursor_frame);
|
|
||||||
/* Notify the client with pointer focus of the frame event. */
|
|
||||||
wlr_seat_pointer_notify_frame(server->seat);
|
|
||||||
}
|
|
||||||
|
|
||||||
void server_new_output(struct wl_listener *listener, void *data)
|
void server_new_output(struct wl_listener *listener, void *data)
|
||||||
{
|
{
|
||||||
/* This event is rasied by the backend when a new output (aka a display
|
/* This event is rasied by the backend when a new output (aka a display
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue