/*
** Do a shell command, with the options allowed to users (input source,
** output destination, save first and load after) in the shell commands
** menu.
*/
void DoShellMenuCmd(WindowInfo *window, const char *command,
int input, int output,
int outputReplacesInput, int saveFirst, int loadAfter, int fromMacro)
{
int flags = 0;
char *text;
char *subsCommand, fullName[MAXPATHLEN];
int left, right, textLen;
int pos, line, column;
char lineNumber[11];
WindowInfo *inWindow = window;
Widget outWidget;
/* Can't do two shell commands at once in the same window */
if (window->shellCmdData != NULL) {
XBell(TheDisplay, 0);
return;
}
/* Substitute the current file name for % and the current line number
for # in the shell command */
strcpy(fullName, window->path);
strcat(fullName, window->filename);
pos = TextGetCursorPos(window->lastFocus);
TextPosToLineAndCol(window->lastFocus, pos, &line, &column);
sprintf(lineNumber, "%d", line);
subsCommand = shellCommandSubstitutes(command, fullName, lineNumber);
if (subsCommand == NULL)
{
DialogF(DF_ERR, window->shell, 1, "Shell Command",
"Shell command is too long due to\n"
"filename substitutions with '%%' or\n"
"line number substitutions with '#'", "OK");
return;
}
/* Get the command input as a text string. If there is input, errors
shouldn't be mixed in with output, so set flags to ERROR_DIALOGS */
if (input == FROM_SELECTION) {
text = BufGetSelectionText(window->buffer);
if (*text == '\0') {
XtFree(text);
free(subsCommand);
XBell(TheDisplay, 0);
return;
}
flags |= ACCUMULATE | ERROR_DIALOGS;
} else if (input == FROM_WINDOW) {
text = BufGetAll(window->buffer);
flags |= ACCUMULATE | ERROR_DIALOGS;
} else if (input == FROM_EITHER) {
text = BufGetSelectionText(window->buffer);
if (*text == '\0') {
XtFree(text);
text = BufGetAll(window->buffer);
}
flags |= ACCUMULATE | ERROR_DIALOGS;
} else /* FROM_NONE */
text = NULL;
/* If the buffer was substituting another character for ascii-nuls,
put the nuls back in before exporting the text */
if (text != NULL) {
textLen = strlen(text);
BufUnsubstituteNullChars(text, window->buffer);
} else
textLen = 0;
/* Assign the output destination. If output is to a new window,
create it, and run the command from it instead of the current
one, to free the current one from waiting for lengthy execution */
if (output == TO_DIALOG) {
outWidget = NULL;
flags |= OUTPUT_TO_DIALOG;
left = right = 0;
} else if (output == TO_NEW_WINDOW) {
EditNewFile(GetPrefOpenInTab()?inWindow:NULL, NULL, False, NULL, window->path);
outWidget = WindowList->textArea;
inWindow = WindowList;
left = right = 0;
CheckCloseDim();
} else { /* TO_SAME_WINDOW */
outWidget = window->lastFocus;
if (outputReplacesInput && input != FROM_NONE) {
if (input == FROM_WINDOW) {
left = 0;
right = window->buffer->length;
} else if (input == FROM_SELECTION) {
GetSimpleSelection(window->buffer, &left, &right);
flags |= ACCUMULATE | REPLACE_SELECTION;
} else if (input == FROM_EITHER) {
if (GetSimpleSelection(window->buffer, &left, &right))
flags |= ACCUMULATE | REPLACE_SELECTION;
else {
left = 0;
right = window->buffer->length;
}
}
} else {
if (GetSimpleSelection(window->buffer, &left, &right))
flags |= ACCUMULATE | REPLACE_SELECTION;
else
left = right = TextGetCursorPos(window->lastFocus);
}
}
/* If the command requires the file be saved first, save it */
if (saveFirst) {
if (!SaveWindow(window)) {
if (input != FROM_NONE)
XtFree(text);
free(subsCommand);
return;
}
}
/* If the command requires the file to be reloaded after execution, set
a flag for issueCommand to deal with it when execution is complete */
if (loadAfter)
flags |= RELOAD_FILE_AFTER;
/* issue the command */
issueCommand(inWindow, subsCommand, text, textLen, flags, outWidget, left,
right, fromMacro);
free(subsCommand);
}
/*
** Start the process of dragging the current primary-selected text across
** the window (move by dragging, as opposed to dragging to create the
** selection)
*/
void BeginBlockDrag(TextWidget tw)
{
textDisp *textD = tw->text.textD;
textBuffer *buf = textD->buffer;
int fontHeight = textD->fontStruct->ascent + textD->fontStruct->descent;
int fontWidth = textD->fontStruct->max_bounds.width;
selection *sel = &buf->primary;
int nLines, mousePos, lineStart;
int x, y, lineEnd;
char *text;
/* Save a copy of the whole text buffer as a backup, and for
deriving changes */
tw->text.dragOrigBuf = BufCreate();
BufSetTabDistance(tw->text.dragOrigBuf, buf->tabDist);
tw->text.dragOrigBuf->useTabs = buf->useTabs;
text = BufGetAll(buf);
BufSetAll(tw->text.dragOrigBuf, text);
XtFree(text);
if (sel->rectangular)
BufRectSelect(tw->text.dragOrigBuf, sel->start, sel->end, sel->rectStart,
sel->rectEnd);
else
BufSelect(tw->text.dragOrigBuf, sel->start, sel->end);
/* Record the mouse pointer offsets from the top left corner of the
selection (the position where text will actually be inserted In dragging
non-rectangular selections) */
if (sel->rectangular) {
tw->text.dragXOffset = tw->text.btnDownX + textD->horizOffset -
textD->left - sel->rectStart * fontWidth;
} else {
if (!TextDPositionToXY(textD, sel->start, &x, &y))
x = BufCountDispChars(buf, TextDStartOfLine(textD, sel->start),
sel->start) * fontWidth + textD->left -
textD->horizOffset;
tw->text.dragXOffset = tw->text.btnDownX - x;
}
mousePos = TextDXYToPosition(textD, tw->text.btnDownX, tw->text.btnDownY);
nLines = BufCountLines(buf, sel->start, mousePos);
tw->text.dragYOffset = nLines * fontHeight + (((tw->text.btnDownY -
tw->text.marginHeight) % fontHeight) - fontHeight/2);
tw->text.dragNLines = BufCountLines(buf, sel->start, sel->end);
/* Record the current drag insert position and the information for
undoing the fictional insert of the selection in its new position */
tw->text.dragInsertPos = sel->start;
tw->text.dragInserted = sel->end - sel->start;
if (sel->rectangular) {
textBuffer *testBuf = BufCreate();
char *testText = BufGetRange(buf, sel->start, sel->end);
BufSetTabDistance(testBuf, buf->tabDist);
testBuf->useTabs = buf->useTabs;
BufSetAll(testBuf, testText);
XtFree(testText);
BufRemoveRect(testBuf, 0, sel->end - sel->start, sel->rectStart,
sel->rectEnd);
tw->text.dragDeleted = testBuf->length;
BufFree(testBuf);
tw->text.dragRectStart = sel->rectStart;
} else {
tw->text.dragDeleted = 0;
tw->text.dragRectStart = 0;
}
tw->text.dragType = DRAG_MOVE;
tw->text.dragSourceDeletePos = sel->start;
tw->text.dragSourceInserted = tw->text.dragDeleted;
tw->text.dragSourceDeleted = tw->text.dragInserted;
/* For non-rectangular selections, fill in the rectangular information in
the selection for overlay mode drags which are done rectangularly */
if (!sel->rectangular) {
lineStart = BufStartOfLine(buf, sel->start);
if (tw->text.dragNLines == 0) {
tw->text.dragOrigBuf->primary.rectStart =
BufCountDispChars(buf, lineStart, sel->start);
tw->text.dragOrigBuf->primary.rectEnd =
BufCountDispChars(buf, lineStart, sel->end);
} else {
lineEnd = BufGetCharacter(buf, sel->end - 1) == '\n' ?
sel->end - 1 : sel->end;
findTextMargins(buf, lineStart, lineEnd,
&tw->text.dragOrigBuf->primary.rectStart,
&tw->text.dragOrigBuf->primary.rectEnd);
}
}
/* Set the drag state to announce an ongoing block-drag */
tw->text.dragState = PRIMARY_BLOCK_DRAG;
/* Call the callback announcing the start of a block drag */
XtCallCallbacks((Widget)tw, textNdragStartCallback, (XtPointer)NULL);
}
