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Code Issues Releases Wiki Activity

Handle error codes when loading the pixmap

pull/1/head
Michael Stapelberg 2009-06-27 22:35:59 +02:00
parent 189ee55bc0
commit 69a987db55
1 changed files with 32 additions and 3 deletions
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35
i3lock.c
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@ -48,7 +48,7 @@ static void die(const char *errstr, ...) {
* Check if given file can be opened => exists
*
*/
bool file_exists(const char * filename)
bool file_exists(const char *filename)
{
FILE * file = fopen(filename, "r");
if(file)
@ -59,6 +59,31 @@ bool file_exists(const char * filename)
return false;
}
/*
* Puts the given XPM error code to stderr
*
*/
void print_xpm_error(int err)
{
switch (err) {
case XpmColorError:
fprintf(stderr, "XPM: Could not parse or alloc requested color\n");
break;
case XpmOpenFailed:
fprintf(stderr, "XPM: Cannot open file\n");
break;
case XpmFileInvalid:
fprintf(stderr, "XPM: invalid XPM file\n");
break;
case XpmNoMemory:
fprintf(stderr, "XPM: Not enough memory\n");
break;
case XpmColorFailed:
fprintf(stderr, "XPM: Color not found\n");
break;
}
}
/*
* Callback function for PAM. We only react on password request callbacks.
@ -188,12 +213,16 @@ int main(int argc, char *argv[]) {
int disp_width = DisplayWidth(dpy, screen);
int disp_height = DisplayHeight(dpy, screen);
Pixmap pix = XCreatePixmap(dpy, w, disp_width, disp_height, depth);
XpmReadFileToPixmap(dpy, w, xpm_image_path, &pix, 0, 0);
int err = XpmReadFileToPixmap(dpy, w, xpm_image_path, &pix, 0, 0);
if (err != 0) {
print_xpm_error(err);
return 1;
}
XCopyArea(dpy, pix, w, gc, 0, 0, disp_width, disp_height, 0, 0);
}
for(len = 1000; len; len--) {
if(XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
if(XGrabPointer(dpy, root, False, ButtonPressMask | ButtonReleaseMask,
GrabModeAsync, GrabModeAsync, None, invisible, CurrentTime) == GrabSuccess)
break;
usleep(1000);