Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

add new -cbh8 mode #7

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

add new -cbh8 mode #7

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
124 changes: 119 additions & 5 deletions autocutsel.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,13 +49,14 @@ static XrmOptionDescRec optionDesc[] = {
{"-pause", "pause", XrmoptionSepArg, NULL},
{"-p", "pause", XrmoptionSepArg, NULL},
{"-buttonup", "buttonup", XrmoptionNoArg, "on"},
{"-cbh8", "cbh8", XrmoptionNoArg, "on"},
};

int Syntax(char *call)
{
fprintf (stderr,
"usage: %s [-selection <name>] [-cutbuffer <number>]"
" [-pause <milliseconds>] [-debug] [-verbose] [-fork] [-buttonup]\n",
" [-pause <milliseconds>] [-debug] [-verbose] [-fork] [-buttonup] [-cbh8]\n",
call);
exit (1);
}
Expand All @@ -79,6 +80,8 @@ static XtResource resources[] = {
Offset(pause), XtRImmediate, (XtPointer)500},
{"buttonup", "ButtonUp", XtRString, sizeof(String),
Offset(buttonup_option), XtRString, "off"},
{"cbh8", "CBH8", XtRString, sizeof(String),
Offset(cbh8_option), XtRString, "off"},
};

#undef Offset
Expand Down Expand Up @@ -157,6 +160,11 @@ static void OwnSelectionIfDiffers(Widget w, XtPointer client_data,
{
int length = *received_length;

if ( options.own_selection == 1 ) { // already own it
XFree(value);
return;
}

if (*type == 0 ||
*type == XT_CONVERT_FAIL ||
length == 0 ||
Expand Down Expand Up @@ -200,9 +208,28 @@ static void CheckBuffer()
}

ChangeValue(value, length);
XtGetSelectionValue(box, selection, XInternAtom(dpy, "UTF8_STRING", False),
OwnSelectionIfDiffers, NULL,
CurrentTime);

if ( options.own_selection != 1 ) { // no point if we already own it...
if (options.cbh8) {
// in CBH8 mode, never let the CLIPBOARD have a different value than
// the cut buffer. Do not bother with OwnSelectionIfDiffers() here
// (just own it now).
if (XtOwnSelection(box, options.selection,
0, //XtLastTimestampProcessed(dpy),
ConvertSelection, LoseSelection, NULL) == True) {
if (options.debug)
printf("CBH8: CLIPBOARD selection owned\n");
options.own_selection = 1;
}
else
printf("WARNING: Unable to own selection!\n");
} else {
XtGetSelectionValue(box, selection, XInternAtom(dpy, "UTF8_STRING", False),
OwnSelectionIfDiffers, NULL,
CurrentTime);
}
}

}

XFree(value);
Expand All @@ -216,6 +243,33 @@ static void SelectionReceived(Widget w, XtPointer client_data, Atom *selection,
int length = *received_length;

if (*type != 0 && *type != XT_CONVERT_FAIL) {

//
// in cbh8 mode, we poll either selection.
//
// here we differentiate which one we are getting...
//
int primary = 0;
int clipboard = 0;
char *selectstr = NULL;
selectstr = XGetAtomName(dpy, *selection);
if ( strcmp(selectstr, "CLIPBOARD") == 0 ) {
clipboard = 1;
} else {
primary = 1;
}
if (options.cbh8 && options.debug) {
printf("SelectionReceived (%s): ", (primary ? "PRIMARY" : "CLIPBOARD"));
PrintValue((char*)value, length);
printf("\n");
}

if ( options.cbh8 && clipboard && options.own_selection == 1 ) { // already own it...
if (selectstr) XFree(selectstr);
XFree(value);
return;
}

if (length > 0 && ValueDiffers(value, length)) {
if (options.debug) {
printf("Selection changed: ");
Expand All @@ -236,10 +290,47 @@ static void SelectionReceived(Widget w, XtPointer client_data, Atom *selection,
(char*)options.value,
(int)(options.length),
buffer );


if (options.cbh8 && options.own_selection == 0) {
if (clipboard) {
//
// send an XSelectionClearEvent on PRIMARY to xterm(s) (etc.). This
// makes other programs clear their current selection and defer to
// the new one...
//
if (XtOwnSelection(box, XInternAtom(dpy, "PRIMARY", 0), 0,
ConvertSelection, LoseSelection, NULL) == True) {
if (options.debug) {
printf("CBH8: PRIMARY: own with immediate disown\n");
}
// it might be better to retain ownership and just not poll PRIMARY
// if we own PRIMARY...? This is good enough to work well with
// xterm and firefox...
XtDisownSelection(box, XInternAtom(dpy, "PRIMARY", 0), 0);
} else {
printf("WARNING: Unable to own selection (PRIMARY)!\n");
}
} else { // primary
// in CBH8 mode, never let the CLIPBOARD have a different value than
// the PRIMARY selection. Skip OwnSelectionIfDiffers() here (just
// own it now).
if (XtOwnSelection(box, options.selection,
0, //XtLastTimestampProcessed(dpy),
ConvertSelection, LoseSelection, NULL) == True) {
if (options.debug)
printf("CBH8: CLIPBOARD selection owned\n");
options.own_selection = 1;
}
else
printf("WARNING: Unable to own selection!\n");
}
}

if (selectstr) XFree(selectstr);
XtFree(value);
return;
}
if (selectstr) XFree(selectstr);
}
XtFree(value);

Expand All @@ -250,6 +341,19 @@ static void SelectionReceived(Widget w, XtPointer client_data, Atom *selection,
// Called each <pause arg=500> milliseconds
void timeout(XtPointer p, XtIntervalId* i)
{
if (options.cbh8) {
// always monitor PRIMARY...
XtGetSelectionValue(box, XInternAtom(dpy, "PRIMARY", 0),
XInternAtom(dpy, "UTF8_STRING", False),
SelectionReceived, NULL, CurrentTime);
if (options.debug) {
printf("CBH8: polling PRIMARY\n");
printf("CBH8: %s CLIPBOARD%s\n",
(options.own_selection ? "no poll" : "polling" ),
(options.own_selection ? " (we own it)" : "" ) );
}
}

if (options.own_selection)
CheckBuffer();
else {
Expand Down Expand Up @@ -307,6 +411,16 @@ int main(int argc, char* argv[])
else
options.buttonup = 0;

if (strcmp(options.cbh8_option, "on") == 0)
if ( strcmp( options.selection_name, "CLIPBOARD") == 0 ) {
options.cbh8 = 1;
} else {
fprintf (stderr, "usage note: -cbh8 only works with -selection CLIPBOARD\n");
Syntax(argv[0]);
}
else
options.cbh8 = 0;

if (strcmp(options.fork_option, "on") == 0) {
options.fork = 1;
options.verbose = 0;
Expand Down
2 changes: 2 additions & 0 deletions common.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,7 @@ typedef struct {
String verbose_option;
String fork_option;
String buttonup_option;
String cbh8_option;
String kill;
int pause;
int debug;
Expand All @@ -62,6 +63,7 @@ typedef struct {
int length;
int own_selection;
int buttonup;
int cbh8;
} OptionsRec;

extern Widget box;
Expand Down