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Diffstat (limited to 'pugl/event.h')
| -rw-r--r-- | pugl/event.h | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/pugl/event.h b/pugl/event.h deleted file mode 100644 index 30fd168..0000000 --- a/pugl/event.h +++ /dev/null @@ -1,262 +0,0 @@ -/* - Copyright 2014-2016 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -/** - @addtogroup pugl - @{ -*/ - -#ifndef PUGL_EVENT_H_INCLUDED -#define PUGL_EVENT_H_INCLUDED - -#ifdef __cplusplus -extern "C" { -#else -# include <stdbool.h> -#endif - -#include "pugl/common.h" - -/** - The type of a PuglEvent. -*/ -typedef enum { - PUGL_NOTHING, /**< No event */ - PUGL_BUTTON_PRESS, /**< Mouse button press */ - PUGL_BUTTON_RELEASE, /**< Mouse button release */ - PUGL_CONFIGURE, /**< View moved and/or resized */ - PUGL_EXPOSE, /**< View exposed, redraw required */ - PUGL_CLOSE, /**< Close view */ - PUGL_KEY_PRESS, /**< Key press */ - PUGL_KEY_RELEASE, /**< Key release */ - PUGL_ENTER_NOTIFY, /**< Pointer entered view */ - PUGL_LEAVE_NOTIFY, /**< Pointer left view */ - PUGL_MOTION_NOTIFY, /**< Pointer motion */ - PUGL_SCROLL, /**< Scroll */ - PUGL_FOCUS_IN, /**< Keyboard focus entered view */ - PUGL_FOCUS_OUT /**< Keyboard focus left view */ -} PuglEventType; - -typedef enum { - PUGL_IS_SEND_EVENT = 1 -} PuglEventFlag; - -/** - Reason for a PuglEventCrossing. -*/ -typedef enum { - PUGL_CROSSING_NORMAL, /**< Crossing due to pointer motion. */ - PUGL_CROSSING_GRAB, /**< Crossing due to a grab. */ - PUGL_CROSSING_UNGRAB /**< Crossing due to a grab release. */ -} PuglCrossingMode; - -/** - Common header for all event structs. -*/ -typedef struct { - PuglEventType type; /**< Event type. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ -} PuglEventAny; - -/** - Button press or release event. - - For event types PUGL_BUTTON_PRESS and PUGL_BUTTON_RELEASE. -*/ -typedef struct { - PuglEventType type; /**< PUGL_BUTTON_PRESS or PUGL_BUTTON_RELEASE. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - uint32_t time; /**< Time in milliseconds. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double x_root; /**< Root-relative X coordinate. */ - double y_root; /**< Root-relative Y coordinate. */ - unsigned state; /**< Bitwise OR of PuglMod flags. */ - unsigned button; /**< 1-relative button number. */ -} PuglEventButton; - -/** - Configure event for when window size or position has changed. -*/ -typedef struct { - PuglEventType type; /**< PUGL_CONFIGURE. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - double x; /**< New parent-relative X coordinate. */ - double y; /**< New parent-relative Y coordinate. */ - double width; /**< New width. */ - double height; /**< New height. */ -} PuglEventConfigure; - -/** - Expose event for when a region must be redrawn. -*/ -typedef struct { - PuglEventType type; /**< PUGL_EXPOSE. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double width; /**< Width of exposed region. */ - double height; /**< Height of exposed region. */ - int count; /**< Number of expose events to follow. */ -} PuglEventExpose; - -/** - Window close event. -*/ -typedef struct { - PuglEventType type; /**< PUGL_CLOSE. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ -} PuglEventClose; - -/** - Key press/release event. - - Keys that correspond to a Unicode character have `character` and `utf8` set. - Other keys will have `character` 0, but `special` may be set if this is a - known special key. - - A key press may be part of a multi-key sequence to generate a wide - character. If `filter` is set, this event is part of a multi-key sequence - and should be ignored if the application is reading textual input. - Following the series of filtered press events, a press event with - `character` and `utf8` (but `keycode` 0) will be sent. This event will have - no corresponding release event. - - Generally, an application should either work with raw keyboard press/release - events based on `keycode` (ignoring events with `keycode` 0), or - read textual input based on `character` or `utf8` (ignoring releases and - events with `filter` 1). Note that blindly appending `utf8` will yield - incorrect text, since press events are sent for both individually composed - keys and the resulting synthetic multi-byte press. -*/ -typedef struct { - PuglEventType type; /**< PUGL_KEY_PRESS or PUGL_KEY_RELEASE. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - uint32_t time; /**< Time in milliseconds. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double x_root; /**< Root-relative X coordinate. */ - double y_root; /**< Root-relative Y coordinate. */ - unsigned state; /**< Bitwise OR of PuglMod flags. */ - unsigned keycode; /**< Raw key code. */ - uint32_t character; /**< Unicode character code, or 0. */ - PuglKey special; /**< Special key, or 0. */ - uint8_t utf8[8]; /**< UTF-8 string. */ - bool filter; /**< True if part of a multi-key sequence. */ -} PuglEventKey; - -/** - Pointer crossing event (enter and leave). -*/ -typedef struct { - PuglEventType type; /**< PUGL_ENTER_NOTIFY or PUGL_LEAVE_NOTIFY. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - uint32_t time; /**< Time in milliseconds. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double x_root; /**< Root-relative X coordinate. */ - double y_root; /**< Root-relative Y coordinate. */ - unsigned state; /**< Bitwise OR of PuglMod flags. */ - PuglCrossingMode mode; /**< Reason for crossing. */ -} PuglEventCrossing; - -/** - Pointer motion event. -*/ -typedef struct { - PuglEventType type; /**< PUGL_MOTION_NOTIFY. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - uint32_t time; /**< Time in milliseconds. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double x_root; /**< Root-relative X coordinate. */ - double y_root; /**< Root-relative Y coordinate. */ - unsigned state; /**< Bitwise OR of PuglMod flags. */ - bool is_hint; /**< True iff this event is a motion hint. */ - bool focus; /**< True iff this is the focused window. */ -} PuglEventMotion; - -/** - Scroll event. - - The scroll distance is expressed in "lines", an arbitrary unit that - corresponds to a single tick of a detented mouse wheel. For example, `dy` = - 1.0 scrolls 1 line up. Some systems and devices support finer resolution - and/or higher values for fast scrolls, so programs should handle any value - gracefully. - */ -typedef struct { - PuglEventType type; /**< PUGL_SCROLL. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - uint32_t time; /**< Time in milliseconds. */ - double x; /**< View-relative X coordinate. */ - double y; /**< View-relative Y coordinate. */ - double x_root; /**< Root-relative X coordinate. */ - double y_root; /**< Root-relative Y coordinate. */ - unsigned state; /**< Bitwise OR of PuglMod flags. */ - double dx; /**< Scroll X distance in lines. */ - double dy; /**< Scroll Y distance in lines. */ -} PuglEventScroll; - -/** - Keyboard focus event. -*/ -typedef struct { - PuglEventType type; /**< PUGL_FOCUS_IN or PUGL_FOCUS_OUT. */ - PuglView* view; /**< View that received this event. */ - uint32_t flags; /**< Bitwise OR of PuglEventFlag values. */ - bool grab; /**< True iff this is a grab/ungrab event. */ -} PuglEventFocus; - -/** - Interface event. - - This is a union of all event structs. The `type` must be checked to - determine which fields are safe to access. A pointer to PuglEvent can - either be cast to the appropriate type, or the union members used. -*/ -typedef union { - PuglEventType type; /**< Event type. */ - PuglEventAny any; /**< Valid for all event types. */ - PuglEventButton button; /**< PUGL_BUTTON_PRESS, PUGL_BUTTON_RELEASE. */ - PuglEventConfigure configure; /**< PUGL_CONFIGURE. */ - PuglEventExpose expose; /**< PUGL_EXPOSE. */ - PuglEventClose close; /**< PUGL_CLOSE. */ - PuglEventKey key; /**< PUGL_KEY_PRESS, PUGL_KEY_RELEASE. */ - PuglEventCrossing crossing; /**< PUGL_ENTER_NOTIFY, PUGL_LEAVE_NOTIFY. */ - PuglEventMotion motion; /**< PUGL_MOTION_NOTIFY. */ - PuglEventScroll scroll; /**< PUGL_SCROLL. */ - PuglEventFocus focus; /**< PUGL_FOCUS_IN, PUGL_FOCUS_OUT. */ -} PuglEvent; - -/** - @} -*/ - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* PUGL_EVENT_H_INCLUDED */ |