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It may have been a mistake to shorten these names... although they're

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"static" in C terms, they are used as a kind of external interface, and
it makes sense for the names to reflect that. But I started doing it
because of the Actions... and the "strings" description for the
XCursesHandleString action seems to violate the rules. To Do: The
RequestorCallbackEtc. functions also fall into this category, but their
names are already ridiculous.
This commit is contained in:
William McBrine
2006-11-17 22:51:39 +00:00
parent 8a02a6d14f
commit ec5cea3f27
1 changed files with 85 additions and 82 deletions
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167
x11/x11.c
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@@ -28,7 +28,7 @@
#include <stdlib.h>
#include <string.h>
RCSID("$Id: x11.c,v 1.35 2006/11/17 22:21:50 wmcbrine Exp $");
RCSID("$Id: x11.c,v 1.36 2006/11/17 22:51:39 wmcbrine Exp $");
#ifndef XPOINTER_TYPEDEFED
typedef char * XPointer;
@@ -59,20 +59,21 @@ XCursesAppData xc_app_data;
#include "little_icon.xbm"
static void SelectionOff(void);
static void Button(Widget, XEvent *, String *, Cardinal *);
static void DisplayCursor(int, int, int, int);
static void ExitProcess(int, int, char *);
static void HandleString(Widget, XEvent *, String *, Cardinal *);
static void XCKeyPress(Widget, XEvent *, String *, Cardinal *);
static void ModifierPress(Widget, XEvent *, String *, Cardinal *);
static void PasteSelection(Widget, XButtonEvent *);
static void SendKeyToCurses(unsigned long, MOUSE_STATUS *);
static void XCursesButton(Widget, XEvent *, String *, Cardinal *);
static void XCursesHandleString(Widget, XEvent *, String *, Cardinal *);
static void XCursesKeyPress(Widget, XEvent *, String *, Cardinal *);
static void XCursesModifierPress(Widget, XEvent *, String *, Cardinal *);
static void XCursesPasteSelection(Widget, XButtonEvent *);
static void RequestorCallbackForGetSelection(Widget, XtPointer,
Atom *, Atom *, XtPointer, unsigned long *, int *);
static void RequestorCallbackForPaste(Widget, XtPointer, Atom *,
Atom *, XtPointer, unsigned long *, int *);
static RETSIGTYPE SignalHandler(int);
static void SendKeyToCurses(unsigned long, MOUSE_STATUS *);
static void StructureNotify(Widget, XtPointer, XEvent *, Boolean *);
static RETSIGTYPE XCursesSignalHandler(int);
static void XCursesStructureNotify(Widget, XtPointer, XEvent *, Boolean *);
static struct
{
@@ -594,11 +595,11 @@ static XrmOptionDescRec options[] =
static XtActionsRec Actions[] =
{
{"Button", (XtActionProc)Button},
{"XCKeyPress", (XtActionProc)XCKeyPress},
{"ModifierPress", (XtActionProc)ModifierPress},
{"PasteSelection", (XtActionProc)PasteSelection},
{"string", (XtActionProc)HandleString},
{"XCursesButton", (XtActionProc)XCursesButton},
{"XCursesKeyPress", (XtActionProc)XCursesKeyPress},
{"XCursesModifierPress", (XtActionProc)XCursesModifierPress},
{"XCursesPasteSelection", (XtActionProc)XCursesPasteSelection},
{"string", (XtActionProc)XCursesHandleString},
};
static Bool after_first_curses_request = False;
@@ -615,22 +616,22 @@ static Bool vertical_cursor = False;
static const char *defaultTranslations =
{
"<Key>: XCKeyPress() \n" \
"<KeyUp>: XCKeyPress() \n" \
"<Btn1Down>: Button() \n" \
"!Ctrl <Btn2Down>: Button() \n" \
"!Shift <Btn2Down>: Button() \n" \
"!Ctrl <Btn2Up>: Button() \n" \
"!Shift <Btn2Up>: Button() \n" \
"<Btn1Up>: Button() \n" \
"<Btn2Down>,<Btn2Up>: PasteSelection() \n" \
"<Btn3Up>: Button() \n" \
"<Btn3Down>: Button() \n" \
"<Btn4Up>: Button() \n" \
"<Btn4Down>: Button() \n" \
"<Btn5Up>: Button() \n" \
"<Btn5Down>: Button() \n" \
"<BtnMotion>: Button()"
"<Key>: XCursesKeyPress() \n" \
"<KeyUp>: XCursesKeyPress() \n" \
"<Btn1Down>: XCursesButton() \n" \
"!Ctrl <Btn2Down>: XCursesButton() \n" \
"!Shift <Btn2Down>: XCursesButton() \n" \
"!Ctrl <Btn2Up>: XCursesButton() \n" \
"!Shift <Btn2Up>: XCursesButton() \n" \
"<Btn1Up>: XCursesButton() \n" \
"<Btn2Down>,<Btn2Up>: XCursesPasteSelection() \n" \
"<Btn3Up>: XCursesButton() \n" \
"<Btn3Down>: XCursesButton() \n" \
"<Btn4Up>: XCursesButton() \n" \
"<Btn4Down>: XCursesButton() \n" \
"<Btn5Up>: XCursesButton() \n" \
"<Btn5Down>: XCursesButton() \n" \
"<BtnMotion>: XCursesButton()"
};
#ifdef PDC_WIDE
@@ -1140,10 +1141,10 @@ static void RefreshScreen(void)
SelectionOff();
}
static void XCExpose(Widget w, XtPointer client_data, XEvent *event,
static void XCursesExpose(Widget w, XtPointer client_data, XEvent *event,
Boolean *continue_to_dispatch)
{
XC_LOG(("XCExpose() - called\n"));
XC_LOG(("XCursesExpose() - called\n"));
/* ignore all Exposes except last */
@@ -1154,12 +1155,12 @@ static void XCExpose(Widget w, XtPointer client_data, XEvent *event,
DisplayScreen();
}
static void Nonmaskable(Widget w, XtPointer client_data, XEvent *event,
Boolean *continue_to_dispatch)
static void XCursesNonmaskable(Widget w, XtPointer client_data, XEvent *event,
Boolean *continue_to_dispatch)
{
XClientMessageEvent *client_event = (XClientMessageEvent *)event;
PDC_LOG(("%s:Nonmaskable called: xc_otherpid %d event %d\n",
PDC_LOG(("%s:XCursesNonmaskable called: xc_otherpid %d event %d\n",
XCLOGMSG, xc_otherpid, event->type));
if (event->type == ClientMessage)
@@ -1204,7 +1205,7 @@ static void ModifierKey(KeySym keysym)
SendKeyToCurses((unsigned long)key, NULL);
}
static void ModifierPress(Widget w, XEvent *event, String *params,
static void XCursesModifierPress(Widget w, XEvent *event, String *params,
Cardinal *nparams)
{
#ifdef FOREIGN
@@ -1216,7 +1217,7 @@ static void ModifierPress(Widget w, XEvent *event, String *params,
KeySym keysym;
XComposeStatus compose;
XC_LOG(("ModifierPress() - called\n"));
XC_LOG(("XCursesModifierPress() - called\n"));
buffer[0] = '\0';
@@ -1227,8 +1228,8 @@ static void ModifierPress(Widget w, XEvent *event, String *params,
ModifierKey(keysym);
}
static void XCKeyPress(Widget w, XEvent *event, String *params,
Cardinal *nparams)
static void XCursesKeyPress(Widget w, XEvent *event, String *params,
Cardinal *nparams)
{
enum { STATE_NORMAL, STATE_COMPOSE, STATE_CHAR };
@@ -1251,7 +1252,7 @@ static void XCKeyPress(Widget w, XEvent *event, String *params,
short fore = 0, back = 0;
unsigned long modifier = 0;
XC_LOG(("XCKeyPress() - called\n"));
XC_LOG(("XCursesKeyPress() - called\n"));
/* Handle modifier keys first; ignore other KeyReleases */
@@ -1499,8 +1500,8 @@ static void XCKeyPress(Widget w, XEvent *event, String *params,
}
}
static void HandleString(Widget w, XEvent *event, String *params,
Cardinal *nparams)
static void XCursesHandleString(Widget w, XEvent *event, String *params,
Cardinal *nparams)
{
int i = 0;
unsigned char *ptr = NULL;
@@ -1542,9 +1543,9 @@ static void HandleString(Widget w, XEvent *event, String *params,
}
}
static void PasteSelection(Widget w, XButtonEvent *button_event)
static void XCursesPasteSelection(Widget w, XButtonEvent *button_event)
{
XC_LOG(("PasteSelection() - called\n"));
XC_LOG(("XCursesPasteSelection() - called\n"));
XtGetSelectionValue(w, XA_PRIMARY, XA_STRING,
RequestorCallbackForPaste,
@@ -2041,10 +2042,11 @@ static void DisplayCursor(int old_row, int old_x, int new_row, int new_x)
"row %d col %d\n", XCLOGMSG, new_row, new_x));
}
static void EnterLeaveWindow(Widget w, XtPointer client_data, XEvent *event,
Boolean *continue_to_dispatch)
static void XCursesEnterLeaveWindow(Widget w, XtPointer client_data,
XEvent *event,
Boolean *continue_to_dispatch)
{
XC_LOG(("EnterLeaveWindow called\n"));
XC_LOG(("XCursesEnterLeaveWindow called\n"));
switch(event->type)
{
@@ -2067,7 +2069,7 @@ static void EnterLeaveWindow(Widget w, XtPointer client_data, XEvent *event,
break;
default:
PDC_LOG(("%s:EnterLeaveWindow - unknown event %d\n",
PDC_LOG(("%s:XCursesEnterLeaveWindow - unknown event %d\n",
XCLOGMSG, event->type));
}
}
@@ -2096,9 +2098,9 @@ static void SendKeyToCurses(unsigned long key, MOUSE_STATUS *ms)
}
}
static void CursorBlink(XtPointer unused, XtIntervalId *id)
static void XCursesCursorBlink(XtPointer unused, XtIntervalId *id)
{
XC_LOG(("CursorBlink() - called:\n"));
XC_LOG(("XCursesCursorBlink() - called:\n"));
if (windowEntered)
{
@@ -2124,10 +2126,11 @@ static void CursorBlink(XtPointer unused, XtIntervalId *id)
}
XtAppAddTimeOut(app_context, xc_app_data.cursorBlinkRate,
CursorBlink, NULL);
XCursesCursorBlink, NULL);
}
static void Button(Widget w, XEvent *event, String *params, Cardinal *nparams)
static void XCursesButton(Widget w, XEvent *event, String *params,
Cardinal *nparams)
{
int button_no;
static int last_button_no = 0;
@@ -2137,7 +2140,7 @@ static void Button(Widget w, XEvent *event, String *params, Cardinal *nparams)
static bool remove_release;
static bool handle_real_release;
XC_LOG(("Button() - called\n"));
XC_LOG(("XCursesButton() - called\n"));
save_mouse_status = Mouse_status;
button_no = event->xbutton.button;
@@ -2580,7 +2583,7 @@ static void Resize(void)
perror("Cannot allocate shared memory for curscr");
ExitProcess(4, SIGKILL,
"exiting from ProcessRequestsFromCurses");
"exiting from XCursesProcessRequestsFromCurses");
}
Xcurscr = (unsigned char*)shmat(shmid_Xcurscr, 0, 0);
@@ -2607,7 +2610,7 @@ static void Continue(void)
{
if (XC_write_display_socket_int(CURSES_CONTINUE) < 0)
ExitProcess(4, SIGKILL,
"exiting from ProcessRequestsFromCurses");
"exiting from XCursesProcessRequestsFromCurses");
}
static void GetColor(void)
@@ -2643,8 +2646,8 @@ static void SetColor(void)
}
}
static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
XtInputId *id)
static void XCursesProcessRequestsFromCurses(XtPointer client_data, int *fid,
XtInputId *id)
{
struct timeval socket_timeout = {0};
int s;
@@ -2656,7 +2659,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
char buf[12]; /* big enough for 2 integers */
XC_LOG(("ProcessRequestsFromCurses() - called\n"));
XC_LOG(("XCursesProcessRequestsFromCurses() - called\n"));
if (!ReceivedMapNotify)
return;
@@ -2667,7 +2670,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
if ((s = select(FD_SETSIZE, (FD_SET_CAST)&xc_readfds, NULL,
NULL, &socket_timeout)) < 0)
ExitProcess(2, SIGKILL, "exiting from "
"ProcessRequestsFromCurses - select failed");
"XCursesProcessRequestsFromCurses - select failed");
if (s == 0) /* no requests pending - should never happen!*/
return;
@@ -2677,17 +2680,17 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
/* read first integer to determine total message has
been received */
XC_LOG(("ProcessRequestsFromCurses() - "
XC_LOG(("XCursesProcessRequestsFromCurses() - "
"before XC_read_socket()\n"));
if (XC_read_socket(xc_display_sock,
(char *)&num_cols, sizeof(int)) < 0)
{
ExitProcess(3, SIGKILL, "exiting from "
"ProcessRequestsFromCurses - first read");
"XCursesProcessRequestsFromCurses - first read");
}
XC_LOG(("ProcessRequestsFromCurses() - "
XC_LOG(("XCursesProcessRequestsFromCurses() - "
"after XC_read_socket()\n"));
after_first_curses_request = True;
@@ -2723,7 +2726,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
if (XC_read_socket(xc_display_sock, buf, sizeof(int) * 2) < 0)
{
ExitProcess(5, SIGKILL, "exiting from CURSES_CURSOR "
"ProcessRequestsFromCurses");
"XCursesProcessRequestsFromCurses");
}
memcpy(&pos, buf, sizeof(int));
@@ -2804,7 +2807,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
{
ExitProcess(5, SIGKILL,
"exiting from CURSES_SET_SELECTION "
"ProcessRequestsFromCurses");
"XCursesProcessRequestsFromCurses");
}
if (length > (long)tmpsel_length)
@@ -2819,7 +2822,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
{
if (XC_write_display_socket_int(PDC_CLIP_MEMORY_ERROR) < 0)
ExitProcess(4, SIGKILL,
"exiting from ProcessRequestsFromCurses");
"exiting from XCursesProcessRequestsFromCurses");
break;
}
@@ -2828,7 +2831,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
{
ExitProcess(5, SIGKILL,
"exiting from CURSES_SET_SELECTION "
"ProcessRequestsFromCurses");
"XCursesProcessRequestsFromCurses");
}
tmpsel_length = length;
@@ -2849,7 +2852,7 @@ static void ProcessRequestsFromCurses(XtPointer client_data, int *fid,
if (XC_write_display_socket_int(old_x) < 0)
ExitProcess(4, SIGKILL,
"exiting from ProcessRequestsFromCurses");
"exiting from XCursesProcessRequestsFromCurses");
break;
case CURSES_CLEAR_SELECTION:
@@ -2917,7 +2920,7 @@ int XCursesSetupX(int argc, char *argv[])
if they haven't already been ignored by the application. */
for (i = 0; i < PDC_MAX_SIGNALS; i++)
if (XCursesSetSignal(i, SignalHandler) == SIG_IGN)
if (XCursesSetSignal(i, XCursesSignalHandler) == SIG_IGN)
XCursesSetSignal(i, SIG_IGN);
/* Start defining X Toolkit things */
@@ -3103,26 +3106,26 @@ int XCursesSetupX(int argc, char *argv[])
/* Add Event handlers to the drawing widget */
XtAddEventHandler(drawing, ExposureMask, False, XCExpose, NULL);
XtAddEventHandler(drawing, ExposureMask, False, XCursesExpose, NULL);
XtAddEventHandler(drawing, StructureNotifyMask, False,
StructureNotify, NULL);
XCursesStructureNotify, NULL);
XtAddEventHandler(drawing, EnterWindowMask | LeaveWindowMask,
False, EnterLeaveWindow, NULL);
False, XCursesEnterLeaveWindow, NULL);
XtAddEventHandler(topLevel, 0, True, Nonmaskable, NULL);
XtAddEventHandler(topLevel, 0, True, XCursesNonmaskable, NULL);
/* Add input handler from xc_display_sock (requests from curses
program) */
XtAppAddInput(app_context, xc_display_sock,
(XtPointer)XtInputReadMask,
ProcessRequestsFromCurses, NULL);
XCursesProcessRequestsFromCurses, NULL);
/* If there is a cursorBlink resource, start the Timeout event */
if (xc_app_data.cursorBlinkRate)
XtAppAddTimeOut(app_context, xc_app_data.cursorBlinkRate,
CursorBlink, NULL);
XCursesCursorBlink, NULL);
/* Leave telling the curses process that it can start to here so
that when the curses process makes a request, the Xcurses
@@ -3275,15 +3278,15 @@ int XCursesSetupX(int argc, char *argv[])
return OK; /* won't get here */
}
static RETSIGTYPE SignalHandler(int signo)
static RETSIGTYPE XCursesSignalHandler(int signo)
{
int flag = CURSES_EXIT;
PDC_LOG(("%s:SignalHandler() - called: %d\n", XCLOGMSG, signo));
PDC_LOG(("%s:XCursesSignalHandler() - called: %d\n", XCLOGMSG, signo));
/* Patch by: Georg Fuchs */
XCursesSetSignal(signo, SignalHandler);
XCursesSetSignal(signo, XCursesSignalHandler);
#ifdef SIGTSTP
if (signo == SIGTSTP)
@@ -3316,7 +3319,7 @@ static RETSIGTYPE SignalHandler(int signo)
/* Send a CURSES_EXIT to myself */
if (XC_write_socket(xc_exit_sock, (char *)&flag, sizeof(int)) < 0)
ExitProcess(7, signo, "exiting from SignalHandler");
ExitProcess(7, signo, "exiting from XCursesSignalHandler");
}
static void RequestorCallbackForGetSelection(Widget w, XtPointer data,
@@ -3348,10 +3351,10 @@ static void RequestorCallbackForGetSelection(Widget w, XtPointer data,
"exiting from RequestorCallbackForGetSelection");
}
static void StructureNotify(Widget w, XtPointer client_data,
XEvent *event, Boolean *continue_to_dispatch)
static void XCursesStructureNotify(Widget w, XtPointer client_data,
XEvent *event, Boolean *continue_to_dispatch)
{
XC_LOG(("StructureNotify() - called\n"));
XC_LOG(("XCursesStructureNotify() - called\n"));
switch(event->type)
{
@@ -3385,7 +3388,7 @@ static void StructureNotify(Widget w, XtPointer client_data,
break;
default:
PDC_LOG(("%s:StructureNotify - unknown event %d\n",
PDC_LOG(("%s:XCursesStructureNotify - unknown event %d\n",
XCLOGMSG, event->type));
}
}