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Diffstat (limited to 'riscos/mouse.h')
-rw-r--r-- | riscos/mouse.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/riscos/mouse.h b/riscos/mouse.h new file mode 100644 index 000000000..623c6dfaa --- /dev/null +++ b/riscos/mouse.h @@ -0,0 +1,69 @@ +/* + * Copyright 2013 Stephen Fryatt <stevef@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + + +/** \file mouse.h + * Mouse dragging and tracking support (interface). + */ + +#ifndef _NETSURF_RISCOS_MOUSE_H_ +#define _NETSURF_RISCOS_MOUSE_H_ + +enum ro_mouse_track_response { + RO_MOUSE_RESPONSE_LOW, + RO_MOUSE_RESPONSE_HIGH +}; + + +/** + * Process Null polls for any drags and mouse trackers that are currently + * active. + */ + +void ro_mouse_poll(void); + + +/** + * Start a drag, providing a function to be called when the Wimp_DragEnd event + * is received and optionally a tracking function to be called on null polls + * in between times. + * + * \param *drag_end Callback for when the drag terminates, or NULL for none. + * \param *drag_track Callback for mouse tracking during the drag, or NULL for + * none. + * \param *drag_cancel Callback for cancelling the drag, or NULL if the drag + * can't be cancelled. + * \param *data Data to be passed to the callback functions, or NULL. + */ + +void ro_mouse_drag_start(void (*drag_end)(wimp_dragged *dragged, void *data), + void (*drag_track)(wimp_pointer *pointer, void *data), + void (*drag_cancel)(void *data), void *data); + + +/** + * Process Wimp_DragEnd events by passing the details on to any registered + * event handler. + * + * \param *dragged The Wimp_DragEnd data block. + */ + +void ro_mouse_drag_end(wimp_dragged *dragged); + +#endif + |