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/*
* Copyright (c) 1990-2004 Paul Vojta and the xdvik development team
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PAUL VOJTA OR ANY OTHER AUTHOR OF THIS SOFTWARE BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef EVENTS_H_
#define EVENTS_H_
/*
* Flag values and masks for event_flags
*/
#define EV_IDLE (1<<0) /* 1 - non-event */
#define EV_CURSOR (1<<1) /* 2 - cursor needs to revert back to ready */
#define EV_EXPOSE (1<<2) /* 4 - expose occurred somewhere */
#define EV_MAG_MOVE (1<<3) /* 8 - magnifier moved */
#define EV_MAG_GONE (1<<4) /* 16 - magnifier gone while being drawn */
#define EV_ACK (1<<5) /* 32 - used internally */
#define EV_SRC (1<<6) /* 64 - source special operation is pending */
#define EV_ANCHOR (1<<7) /* 128 - anchor search is pending - should maybe move this up? */
#define EV_FIND (1<<8) /* 256 - string search */
#define EV_FIND_CANCEL (1<<9) /* 512 - string search cancelled */
#define EV_FILEHIST_GOTO_PAGE (1<<10) /* 1024 - get page from file history */
#define EV_PAGEHIST_INSERT (1<<11) /* 2048 - get page from file history */
#define EV_PAGEHIST_GOTO_PAGE (1<<12) /* 4096 - go to page from file history */
#define EV_NEWPAGE (1<<13) /* 8192 - new page requested */
#define EV_PS_TOGGLE (1<<14) /* 16384 - PostScript toggled on or off */
#define EV_RELOAD (1<<15) /* 32768 - reload dvi file */
#define EV_NEWDOC (1<<16) /* 65536 - new dvi file requested */
#define EV_TERM (1<<17) /* 131072 - quit */
#define EV_MAXPLUS1 (1<<18) /* 262144 - marker for highest element */
#define EV_GE_IDLE (EV_MAXPLUS1 - EV_IDLE)
#define EV_GT_IDLE (EV_MAXPLUS1 - EV_CURSOR)
#define EV_GE_CURSOR (EV_MAXPLUS1 - EV_CURSOR)
#define EV_GE_EXPOSE (EV_MAXPLUS1 - EV_EXPOSE)
#define EV_GE_MAG_MOVE (EV_MAXPLUS1 - EV_MAG_MOVE)
#define EV_GE_MAG_GONE (EV_MAXPLUS1 - EV_MAG_GONE)
#define EV_GE_ACK (EV_MAXPLUS1 - EV_ACK)
#define EV_GE_FIND (EV_MAXPLUS1 - EV_FIND)
#define EV_GE_FIND_CANCEL (EV_MAXPLUS1 - EV_FIND_CANCEL)
#define EV_GE_NEWPAGE (EV_MAXPLUS1 - EV_NEWPAGE)
#define EV_GE_PS_TOGGLE (EV_MAXPLUS1 - EV_PS_TOGGLE)
#define EV_GE_NEWDOC (EV_MAXPLUS1 - EV_NEWDOC)
#define EV_GE_RELOAD (EV_MAXPLUS1 - EV_RELOAD)
#define EV_GE_TERM (EV_MAXPLUS1 - EV_TERM)
#define EV_NOWAIT EV_GE_IDLE
struct xio {
struct xio *next; /* link to next in list */
int fd; /* file descriptor */
int xio_events; /* same as in struct pollfd
(can't call it events because poll.h
on AIX defines events to something else) */
#if HAVE_POLL
struct pollfd *pfd;
#endif
char *(*read_proc) (int, void *); /* call to read from fd, or NULL */
void (*write_proc) (int, void *); /* call to write to fd, or NULL */
void *data; /* data passed as second argument to read_proc()/write_proc() */
};
struct xchild; /* forward declaration */
typedef void (*childProcT)(int exitval, struct xchild *this);
struct xchild {
struct xchild *next; /* link to next in list */
pid_t pid; /* pid of process, or 0 */
Boolean killable; /* if can be killed with SIGKILL */
char *name; /* name of process, for printing error message */
struct xio *io; /* pointer to i/o structure for reading error msg. */
void *data; /* arbitrary data passed to proc */
/* proc is a pointer to a function to call when the child exits; it will be
* called with 2 arguments:
* - The return status of the child
* - A pointer to the current struct (so that the procedure can free()
* (elements of) the struct when needed, or have access to the data field).
*/
childProcT proc;
};
typedef enum xtimerT_ {
XTM_DEFAULT = 0,
XTM_STATUSLINE,
XTM_HREF
} xtimerT;
struct xtimer {
struct xtimer *next; /* link to next in chain */
struct timeval when; /* when to call the routine */
xtimerT type; /* timer type */
void (*proc) (struct xtimer *this, void *data); /* procedure to call */
void *data;
#if XDVI_XT_TIMER_HACK
XtTimerCallbackProc xt_proc; /* additional data for Xt callbacks */
XtPointer closure;
#endif
};
extern void set_timer(struct xtimer *tp, int ms);
extern void cancel_timer(struct xtimer *tp);
extern int get_num_actions(void);
extern XtActionsRec *get_actions(void);
extern int atopix(const char *, Boolean);
extern int check_goto_page(int pageno, Boolean insert_into_pagehist);
extern Boolean get_int_arg(String * param, Cardinal *num_params, int *res);
extern Boolean toggle_arg(int arg, String * param, Cardinal *num_params);
extern void clearexpose(struct WindowRec *windowrec, int x, int y, unsigned w,
unsigned h);
extern void expose(struct WindowRec *windowrec, int x, int y, unsigned int w,
unsigned int h);
extern void home(wide_bool);
extern int set_bar_value(Widget bar, int value, int max);
extern void reconfig(void);
extern void redraw(struct WindowRec *windowrec);
extern void handle_resize(Widget, XtPointer, XEvent *, Boolean *);
extern void handle_expose(Widget, XtPointer, XEvent *, Boolean *);
extern void handle_property_change(Widget, XtPointer, XEvent *, Boolean *);
extern void handle_command(Widget widget, XtPointer client_data,
XtPointer call_data);
extern void showmessage(const char *);
extern void set_chld(struct xchild *);
extern void clear_chld(struct xchild *);
extern void set_io(struct xio *);
extern void clear_io(struct xio *);
extern unsigned int read_events(unsigned int);
typedef void (*home_proc) (wide_bool);
extern void goto_page(int page, home_proc proc, Boolean force);
extern void setup_sigalarm(void);
extern void setup_signal_handlers(Boolean early);
extern int shrink_to_fit(void);
extern void do_pages(void);
extern void do_set_density(double newgamma, Boolean force, Boolean update_resource);
extern void do_toggle_color(Boolean update_resource);
extern void Act_mouse_modes(Widget w, XEvent *event, String *params, Cardinal *num_params);
#ifdef PS
extern void Act_set_ps(Widget w, XEvent *event, String *params, Cardinal *num_params);
#endif
#ifdef PS_GS
extern void Act_set_gs_alpha(Widget w, XEvent *event, String *params, Cardinal *num_params);
#endif
extern void Act_recent_files(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_htex_back(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_htex_forward(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_set_keep_flag(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_back_page(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_forward_page(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void do_set_shrinkfactor(int arg, Boolean set_resource);
extern void Act_set_shrink_factor(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_shrink_to_dpi(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_set_expert_mode(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_use_tex_pages(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_ruler_mode(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_set_expert_mode(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_switch_mode(Widget w, XEvent *event, String *params, Cardinal *num_params);
#if defined(NEW_MENU_CREATION) || defined(MOTIF)
extern void Act_set_papersize(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_set_paper_landscape(Widget w, XEvent *event, String *params, Cardinal *num_params);
#endif /* NEW_MENU_CREATION */
extern void Act_pagehistory_clear(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_pagehistory_back(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_pagehistory_forward(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_pagehistory_delete_backward(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_pagehistory_delete_forward(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_magnifier(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_ruler(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_text_selection(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_switch_magnifier_units(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_href(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void Act_href_newwindow(Widget w, XEvent *event, String *params, Cardinal *num_params);
extern void null_mouse(XEvent *ignored);
extern void text_motion(XEvent *event);
typedef enum { TEXT_SEL_MOVE, TEXT_SEL_CLEAR, TEXT_SEL_REDRAW, TEXT_SEL_ERASE } textSelectionT;
extern void text_change_region(textSelectionT mode, XEvent *event);
extern void text_selection_start(XEvent *event);
#if COLOR
extern void update_expert_mode(void);
extern Boolean check_resource_expert(void *val, const char *param);
extern Boolean check_paper_landscape(void *val, const char *param);
extern Boolean check_papersize(void *val, const char *param);
extern Boolean check_toggle(void *val, const char *param);
extern Boolean check_int(void *val, const char *param);
#endif /* COLOR */
struct xdvi_action {
XtActionProc proc;
Cardinal num_params;
String command;
String param;
struct xdvi_action *next;
};
extern struct xdvi_action *compile_action(const char *str);
extern void watch_file_cb(XtPointer client_data, XtIntervalId * id);
extern void redraw_page(void);
#ifdef USE_PANNER
extern void handle_x_scroll(Widget w, XtPointer closure, XEvent *ev, Boolean *cont);
extern void handle_y_scroll(Widget w, XtPointer closure, XEvent *ev, Boolean *cont);
#endif
extern void xdvi_exit_callback(Widget w, XtPointer client_data, XtPointer call_data);
#endif /* EVENTS_H_ */
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