void FileDropHandler(Widget widget, XtPointer data, XEvent * event, Boolean * p)
{
unsigned long Size;
unsigned char *Data;
/* We only know how to handle simple file names */
if (MwDndDataType(event) != MW_DndFile && MwDndDataType(event) != MW_DndExe) {
error("Don't know how to handle this drop!");
return;
}
/* If the drop is from this editor, do nothing! */
/* Updated for version 1 protocol */
if (MwDndSourceWindow(event) == XtWindow(widget))
return;
/* Test for source changes */
if (IsSourceChanged())
if (warning("Unsaved Changes!") == XED_ABORT)
return;
/* Load the file */
MwDndGetData(&Data, &Size);
if (Size && Data != NULL) {
load_file(Data);
ResetSourceChanged(textwindow);
/* de-iconify us */
XMapWindow(XtDisplay(top), XtWindow(top));
}
}
static void
makeButtonsAndBoxes(Widget parent)
{
Widget outer, b_row, viewport;
Arg arglist[10];
Cardinal num_args;
xedit_flist_item *item;
static char *labelWindow = "labelWindow", *editWindow = "editWindow";
static char *formWindow = "formWindow", *positionWindow = "positionWindow";
outer = XtCreateManagedWidget("paned", panedWidgetClass, parent,
NULL, ZERO);
b_row = XtCreateManagedWidget("buttons", panedWidgetClass, outer, NULL, ZERO);
{
MakeCommandButton(b_row, "quit", DoQuit);
MakeCommandButton(b_row, "save", DoSave);
MakeCommandButton(b_row, "load", DoLoad);
filenamewindow = MakeStringBox(b_row, "filename", NULL);
}
hintswindow = XtCreateManagedWidget("bc_label", labelWidgetClass,
outer, NULL, ZERO);
num_args = 0;
XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args;
messwidget = XtCreateManagedWidget("messageWindow", asciiTextWidgetClass,
outer, arglist, num_args);
num_args = 0;
XtSetArg(arglist[num_args], XtNorientation, XtorientHorizontal); ++num_args;
hpane = XtCreateManagedWidget("hpane", panedWidgetClass, outer,
arglist, num_args);
num_args = 0;
XtSetArg(arglist[num_args], XtNorientation, XtorientVertical); ++num_args;
vpanes[0] = XtCreateManagedWidget("vpane", panedWidgetClass, hpane,
arglist, num_args);
XtSetArg(arglist[num_args], XtNheight, 1); ++num_args;
XtSetArg(arglist[num_args], XtNwidth, 1); ++num_args;
vpanes[1] = XtCreateWidget("vpane", panedWidgetClass, hpane,
arglist, num_args);
forms[0] = XtCreateManagedWidget(formWindow, formWidgetClass,
vpanes[0], NULL, 0);
labelwindow = XtCreateManagedWidget(labelWindow,labelWidgetClass,
forms[0], NULL, 0);
labels[0] = labelwindow;
positions[0] = XtCreateManagedWidget(positionWindow,labelWidgetClass,
forms[0], NULL, 0);
forms[2] = XtCreateWidget(formWindow, formWidgetClass,
vpanes[1], NULL, 0);
labels[2] = XtCreateManagedWidget(labelWindow,labelWidgetClass,
forms[2], NULL, 0);
positions[2] = XtCreateManagedWidget(positionWindow,labelWidgetClass,
forms[2], NULL, 0);
num_args = 0;
XtSetArg(arglist[num_args], XtNtype, XawAsciiFile); ++num_args;
XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args;
textwindow = XtCreateManagedWidget(editWindow, asciiTextWidgetClass,
vpanes[0], arglist, num_args);
/* Get international resource value form the textwindow */
num_args = 0;
XtSetArg(arglist[num_args], XtNinternational, &international); ++num_args;
XtGetValues(textwindow, arglist, num_args);
num_args = 0;
XtSetArg(arglist[num_args], XtNtype, XawAsciiFile); ++num_args;
XtSetArg(arglist[num_args], XtNeditType, XawtextEdit); ++num_args;
scratch = XtVaCreateWidget("textSource", international ?
multiSrcObjectClass :
asciiSrcObjectClass, topwindow,
XtNtype, XawAsciiFile,
XtNeditType, XawtextEdit,
NULL, NULL);
XtSetValues(scratch, arglist, num_args);
num_args = 0;
XtSetArg(arglist[num_args], XtNtextSource, scratch); ++num_args;
XtSetValues(textwindow, arglist, num_args);
texts[0] = textwindow;
num_args = 0;
XtSetArg(arglist[num_args], XtNtextSource, scratch); ++num_args;
XtSetArg(arglist[num_args], XtNdisplayCaret, False); ++num_args;
texts[2] = XtCreateWidget(editWindow, asciiTextWidgetClass,
vpanes[1], arglist, num_args);
forms[1] = XtCreateWidget(formWindow, formWidgetClass,
vpanes[0], NULL, 0);
labels[1] = XtCreateManagedWidget(labelWindow,labelWidgetClass,
forms[1], NULL, 0);
positions[1] = XtCreateManagedWidget(positionWindow,labelWidgetClass,
forms[1], NULL, 0);
texts[1] = XtCreateWidget(editWindow, asciiTextWidgetClass,
vpanes[0], arglist, num_args);
dirlabel = XtCreateWidget("dirlabel", labelWidgetClass,
vpanes[1], NULL, 0);
num_args = 0;
XtSetArg(arglist[num_args], XtNheight, 1); ++num_args;
XtSetArg(arglist[num_args], XtNwidth, 1); ++num_args;
viewport = XtCreateWidget("viewport", viewportWidgetClass,
vpanes[1], arglist, num_args);
dirwindow = XtCreateManagedWidget("dirwindow", listWidgetClass,
viewport, NULL, 0);
item = AddTextSource(scratch, "*scratch*", "*scratch*",
0, WRITE_OK);
item->wrap = XawtextWrapLine;
item->flags |= WRAP_BIT;
XtAddCallback(item->source, XtNcallback, SourceChanged,
(XtPointer)item);
ResetSourceChanged(item);
flist.current = item;
for (num_args = 0; num_args < 3; num_args++)
XtAddCallback(texts[num_args], XtNpositionCallback, PositionChanged, NULL);
for (num_args = 0; num_args < 3; num_args++) {
XtSetArg(arglist[0], XtNwrap, &wrapmodes[num_args]);
XtGetValues(texts[num_args], arglist, 1);
}
XtAddCallback(dirwindow, XtNcallback, DirWindowCB, NULL);
}
int
main(int argc, char *argv[])
{
Boolean exists;
char *filename;
FileAccess file_access;
Widget source;
XtAppContext appcon;
Boolean show_dir;
xedit_flist_item *first_item;
unsigned int i, lineno;
lineno = 0;
show_dir = FALSE;
first_item = NULL;
topwindow = XtAppInitialize(&appcon, "Xedit", NULL, 0, &argc, argv,
NULL,
NULL, 0);
XtAppAddActions(appcon, actions, XtNumber(actions));
XtOverrideTranslations(topwindow,
XtParseTranslationTable("<Message>WM_PROTOCOLS: quit()"));
XtGetApplicationResources(topwindow, (XtPointer) &app_resources, resources,
XtNumber(resources), NULL, 0);
CurDpy = XtDisplay(topwindow);
XawSimpleMenuAddGlobalActions(appcon);
XtRegisterGrabAction(PopupMenu, True,
ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync);
makeButtonsAndBoxes(topwindow);
StartHints();
StartFormatPosition();
(void)StartHooks(appcon);
if (position_format_mask == 0) {
for (i = 0; i < 3; i++)
XtRemoveCallback(texts[i], XtNpositionCallback,
PositionChanged, NULL);
}
XtRealizeWidget(topwindow);
#ifndef __UNIXOS2__
XeditLispInitialize();
#endif
options_popup = XtCreatePopupShell("optionsMenu", simpleMenuWidgetClass,
topwindow, NULL, 0);
XtRealizeWidget(options_popup);
XtAddCallback(XtCreateManagedWidget("ispell", smeBSBObjectClass,
options_popup, NULL, 0),
XtNcallback, IspellCallback, NULL);
CreateEditPopup();
wm_delete_window = XInternAtom(XtDisplay(topwindow), "WM_DELETE_WINDOW",
False);
(void)XSetWMProtocols(XtDisplay(topwindow), XtWindow(topwindow),
&wm_delete_window, 1);
/* This first call is just to save the default font and colors */
UpdateTextProperties(0);
if (argc > 1) {
xedit_flist_item *item;
Arg args[2];
unsigned int num_args;
for (i = 1; i < argc; i++) {
struct stat st;
if (argv[i][0] == '+') {
char *endptr;
lineno = strtol(argv[i], &endptr, 10);
/* Don't warn about incorrect input? */
if (*endptr)
lineno = 0;
continue;
}
filename = ResolveName(argv[i]);
if (filename == NULL || FindTextSource(NULL, filename) != NULL)
continue;
num_args = 0;
if (stat(filename, &st) == 0 && !S_ISREG(st.st_mode)) {
if (S_ISDIR(st.st_mode)) {
if (!first_item) {
char path[BUFSIZ + 1];
strncpy(path, filename, sizeof(path) - 2);
path[sizeof(path) - 2] = '\0';
if (*path) {
if (path[strlen(path) - 1] != '/')
strcat(path, "/");
}
else
strcpy(path, "./");
XtSetArg(args[0], XtNlabel, "");
XtSetValues(dirlabel, args, 1);
SwitchDirWindow(True);
DirWindowCB(dirwindow, path, NULL);
show_dir = True;
}
continue;
}
}
switch (file_access = CheckFilePermissions(filename, &exists)) {
case NO_READ:
if (exists)
XeditPrintf("File %s exists, and could not be opened for "
"reading.\n", argv[i]);
else
XeditPrintf("File %s does not exist, and the directory "
"could not be opened for writing.\n", argv[i]);
break;
case READ_OK:
XtSetArg(args[num_args], XtNeditType, XawtextRead); num_args++;
XeditPrintf("File %s opened READ ONLY.\n", argv[i]);
break;
case WRITE_OK:
XtSetArg(args[num_args], XtNeditType, XawtextEdit); num_args++;
XeditPrintf("File %s opened read - write.\n", argv[i]);
break;
}
if (file_access != NO_READ) {
int flags;
if (exists) {
flags = EXISTS_BIT;
XtSetArg(args[num_args], XtNstring, filename);num_args++;
}
else {
flags = 0;
XtSetArg(args[num_args], XtNstring, NULL); num_args++;
}
source = XtVaCreateWidget("textSource", international ?
multiSrcObjectClass
: asciiSrcObjectClass, topwindow,
XtNtype, XawAsciiFile,
XtNeditType, XawtextEdit,
NULL, NULL);
XtSetValues(source, args, num_args);
item = AddTextSource(source, argv[i], filename,
flags, file_access);
XtAddCallback(item->source, XtNcallback, SourceChanged,
(XtPointer)item);
if (exists && file_access == WRITE_OK) {
item->mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
item->mtime = st.st_mtime;
}
if (!first_item && !show_dir)
first_item = item;
ResetSourceChanged(item);
}
}
}
if (!flist.pixmap && strlen(app_resources.changed_pixmap_name)) {
XrmValue from, to;
from.size = strlen(app_resources.changed_pixmap_name);
from.addr = app_resources.changed_pixmap_name;
to.size = sizeof(Pixmap);
to.addr = (XtPointer)&(flist.pixmap);
XtConvertAndStore(flist.popup, XtRString, &from, XtRBitmap, &to);
}
if (first_item == NULL) {
XtSetKeyboardFocus(topwindow, filenamewindow);
XtVaSetValues(textwindow, XtNwrap, XawtextWrapLine, NULL);
}
else {
SwitchTextSource(first_item);
XtSetKeyboardFocus(topwindow, textwindow);
if (lineno) {
XawTextPosition position;
source = XawTextGetSource(textwindow);
position = RSCAN(XawTextGetInsertionPoint(textwindow),
lineno, False);
position = LSCAN(position, 1, False);
XawTextSetInsertionPoint(textwindow, position);
}
}
XtAppMainLoop(appcon);
return EXIT_SUCCESS;
}
