diff --git a/include/sway/input/cursor.h b/include/sway/input/cursor.h index 8a2898dd..828ac370 100644 --- a/include/sway/input/cursor.h +++ b/include/sway/input/cursor.h @@ -64,6 +64,7 @@ struct sway_cursor { struct wl_listener tool_proximity; struct wl_listener tool_button; bool simulating_pointer_from_tool_tip; + bool simulating_pointer_from_tool_button; uint32_t tool_buttons; struct wl_listener request_set_cursor; diff --git a/sway/input/cursor.c b/sway/input/cursor.c index 9d83008f..243eb42c 100644 --- a/sway/input/cursor.c +++ b/sway/input/cursor.c @@ -818,7 +818,34 @@ static void handle_tool_button(struct wl_listener *listener, void *data) { node_at_coords(cursor->seat, cursor->cursor->x, cursor->cursor->y, &surface, &sx, &sy); - if (!surface || !wlr_surface_accepts_tablet_v2(tablet_v2, surface)) { + // TODO: floating resize should support graphics tablet events + struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(cursor->seat->wlr_seat); + uint32_t modifiers = keyboard ? wlr_keyboard_get_modifiers(keyboard) : 0; + bool mod_pressed = modifiers & config->floating_mod; + + bool surface_supports_tablet_events = + surface && wlr_surface_accepts_tablet_v2(tablet_v2, surface); + + // Simulate pointer when: + // 1. The modifier key is pressed, OR + // 2. The surface under the cursor does not support tablet events. + bool should_simulate_pointer = mod_pressed || !surface_supports_tablet_events; + + // Similar to tool tip, we need to selectively simulate mouse events, but we + // want to make sure that it is always consistent. Because all tool buttons + // currently map to BTN_RIGHT, we need to keep count of how many tool + // buttons are currently pressed down so we can send consistent events. + // + // The logic follows: + // - If we are already simulating the pointer, we should continue to do so + // until at least no tool button is held down. + // - If we should simulate the pointer and no tool button is currently held + // down, begin simulating the pointer. + // - If neither of the above are true, send the tablet events. + if ((cursor->tool_buttons > 0 && cursor->simulating_pointer_from_tool_button) + || (cursor->tool_buttons == 0 && should_simulate_pointer)) { + cursor->simulating_pointer_from_tool_button = true; + // TODO: the user may want to configure which tool buttons are mapped to // which simulated pointer buttons switch (event->state) { @@ -827,22 +854,35 @@ static void handle_tool_button(struct wl_listener *listener, void *data) { dispatch_cursor_button(cursor, &event->tablet->base, event->time_msec, BTN_RIGHT, event->state); } - cursor->tool_buttons++; break; case WLR_BUTTON_RELEASED: - if (cursor->tool_buttons == 1) { + if (cursor->tool_buttons <= 1) { dispatch_cursor_button(cursor, &event->tablet->base, event->time_msec, BTN_RIGHT, event->state); } - cursor->tool_buttons--; break; } wlr_seat_pointer_notify_frame(cursor->seat->wlr_seat); - return; + } else { + cursor->simulating_pointer_from_tool_button = false; + + wlr_tablet_v2_tablet_tool_notify_button(sway_tool->tablet_v2_tool, + event->button, (enum zwp_tablet_pad_v2_button_state)event->state); } - wlr_tablet_v2_tablet_tool_notify_button(sway_tool->tablet_v2_tool, - event->button, (enum zwp_tablet_pad_v2_button_state)event->state); + // Update tool button count. + switch (event->state) { + case WLR_BUTTON_PRESSED: + cursor->tool_buttons++; + break; + case WLR_BUTTON_RELEASED: + if (cursor->tool_buttons == 0) { + sway_log(SWAY_ERROR, "inconsistent tablet tool button events"); + } else { + cursor->tool_buttons--; + } + break; + } } static void check_constraint_region(struct sway_cursor *cursor) {