Manual event handling in main.c
This commit is contained in:
Bert
parent
e8cf8da208
commit
12a94cc40e
301
main.c
301
main.c
|
|
@ -32,17 +32,10 @@
|
|||
#include "util.h"
|
||||
#include "window.h"
|
||||
|
||||
void on_keypress(XEvent*);
|
||||
void on_buttonpress(XEvent*);
|
||||
void on_buttonrelease(XEvent*);
|
||||
void on_motionnotify(XEvent*);
|
||||
void on_configurenotify(XEvent*);
|
||||
|
||||
void update_title();
|
||||
void check_append(const char*);
|
||||
void read_dir_rec(const char*);
|
||||
|
||||
static void (*handler[LASTEvent])(XEvent*);
|
||||
void run();
|
||||
|
||||
img_t img;
|
||||
win_t win;
|
||||
|
|
@ -52,11 +45,6 @@ win_t win;
|
|||
const char **filenames;
|
||||
int filecnt, fileidx;
|
||||
|
||||
unsigned char timeout;
|
||||
|
||||
int mox;
|
||||
int moy;
|
||||
|
||||
#define TITLE_LEN 256
|
||||
char win_title[TITLE_LEN];
|
||||
|
||||
|
|
@ -69,39 +57,6 @@ void cleanup() {
|
|||
}
|
||||
}
|
||||
|
||||
void run() {
|
||||
int xfd;
|
||||
fd_set fds;
|
||||
struct timeval t;
|
||||
XEvent ev;
|
||||
|
||||
handler[KeyPress] = on_keypress;
|
||||
handler[ButtonPress] = on_buttonpress;
|
||||
handler[ButtonRelease] = on_buttonrelease;
|
||||
handler[MotionNotify] = on_motionnotify;
|
||||
handler[ConfigureNotify] = on_configurenotify;
|
||||
|
||||
timeout = 0;
|
||||
|
||||
while (1) {
|
||||
if (timeout) {
|
||||
t.tv_sec = 0;
|
||||
t.tv_usec = 250;
|
||||
xfd = ConnectionNumber(win.env.dpy);
|
||||
FD_ZERO(&fds);
|
||||
FD_SET(xfd, &fds);
|
||||
|
||||
if (!XPending(win.env.dpy) && !select(xfd + 1, &fds, 0, 0, &t)) {
|
||||
img_render(&img, &win);
|
||||
timeout = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (!XNextEvent(win.env.dpy, &ev) && handler[ev.type])
|
||||
handler[ev.type](&ev);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
int i;
|
||||
const char *filename;
|
||||
|
|
@ -158,15 +113,102 @@ int main(int argc, char **argv) {
|
|||
return 0;
|
||||
}
|
||||
|
||||
void on_keypress(XEvent *ev) {
|
||||
void update_title() {
|
||||
int n;
|
||||
|
||||
n = snprintf(win_title, TITLE_LEN, "sxiv: [%d/%d] <%d%%> %s", fileidx + 1,
|
||||
filecnt, (int) (img.zoom * 100.0), filenames[fileidx]);
|
||||
|
||||
if (n >= TITLE_LEN) {
|
||||
win_title[TITLE_LEN - 2] = '.';
|
||||
win_title[TITLE_LEN - 3] = '.';
|
||||
win_title[TITLE_LEN - 4] = '.';
|
||||
}
|
||||
|
||||
win_set_title(&win, win_title);
|
||||
}
|
||||
|
||||
void check_append(const char *filename) {
|
||||
if (!filename)
|
||||
return;
|
||||
|
||||
if (img_check(filename)) {
|
||||
if (fileidx == filecnt) {
|
||||
filecnt *= 2;
|
||||
filenames = (const char**) s_realloc(filenames,
|
||||
filecnt * sizeof(const char*));
|
||||
}
|
||||
filenames[fileidx++] = filename;
|
||||
}
|
||||
}
|
||||
|
||||
void read_dir_rec(const char *dirname) {
|
||||
char *filename;
|
||||
const char **dirnames;
|
||||
int dircnt, diridx;
|
||||
unsigned char first;
|
||||
size_t len;
|
||||
DIR *dir;
|
||||
struct dirent *dentry;
|
||||
struct stat fstats;
|
||||
|
||||
if (!dirname)
|
||||
return;
|
||||
|
||||
dircnt = DNAME_CNT;
|
||||
diridx = first = 1;
|
||||
dirnames = (const char**) s_malloc(dircnt * sizeof(const char*));
|
||||
dirnames[0] = dirname;
|
||||
|
||||
while (diridx > 0) {
|
||||
dirname = dirnames[--diridx];
|
||||
if (!(dir = opendir(dirname)))
|
||||
die("could not open directory: %s", dirname);
|
||||
while ((dentry = readdir(dir))) {
|
||||
if (!strcmp(dentry->d_name, ".") || !strcmp(dentry->d_name, ".."))
|
||||
continue;
|
||||
len = strlen(dirname) + strlen(dentry->d_name) + 2;
|
||||
filename = (char*) s_malloc(len * sizeof(char));
|
||||
snprintf(filename, len, "%s/%s", dirname, dentry->d_name);
|
||||
if (stat(filename, &fstats)) {
|
||||
warn("could not stat file: %s", filename);
|
||||
free(filename);
|
||||
} else if (S_ISDIR(fstats.st_mode)) {
|
||||
if (diridx == dircnt) {
|
||||
dircnt *= 2;
|
||||
dirnames = (const char**) s_realloc(dirnames,
|
||||
dircnt * sizeof(const char*));
|
||||
}
|
||||
dirnames[diridx++] = filename;
|
||||
} else {
|
||||
check_append(filename);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
if (!first)
|
||||
free((void*) dirname);
|
||||
else
|
||||
first = 0;
|
||||
}
|
||||
|
||||
free(dirnames);
|
||||
}
|
||||
|
||||
|
||||
/* event handling */
|
||||
|
||||
unsigned char timeout;
|
||||
int mox, moy;
|
||||
|
||||
void on_keypress(XKeyEvent *kev) {
|
||||
char key;
|
||||
KeySym ksym;
|
||||
int changed;
|
||||
|
||||
if (!ev)
|
||||
if (!kev)
|
||||
return;
|
||||
|
||||
XLookupString(&ev->xkey, &key, 1, &ksym, NULL);
|
||||
XLookupString(kev, &key, 1, &ksym, NULL);
|
||||
changed = 0;
|
||||
|
||||
switch (ksym) {
|
||||
|
|
@ -271,17 +313,17 @@ void on_keypress(XEvent *ev) {
|
|||
}
|
||||
}
|
||||
|
||||
void on_buttonpress(XEvent *ev) {
|
||||
void on_buttonpress(XButtonEvent *bev) {
|
||||
int changed;
|
||||
unsigned int mask;
|
||||
|
||||
if (!ev)
|
||||
if (!bev)
|
||||
return;
|
||||
|
||||
mask = CLEANMASK(ev->xbutton.state);
|
||||
mask = CLEANMASK(bev->state);
|
||||
changed = 0;
|
||||
|
||||
switch (ev->xbutton.button) {
|
||||
switch (bev->button) {
|
||||
case Button1:
|
||||
if (fileidx + 1 < filecnt) {
|
||||
img_load(&img, filenames[++fileidx]);
|
||||
|
|
@ -289,8 +331,8 @@ void on_buttonpress(XEvent *ev) {
|
|||
}
|
||||
break;
|
||||
case Button2:
|
||||
mox = ev->xbutton.x;
|
||||
moy = ev->xbutton.y;
|
||||
mox = bev->x;
|
||||
moy = bev->y;
|
||||
win_set_cursor(&win, CURSOR_HAND);
|
||||
break;
|
||||
case Button3:
|
||||
|
|
@ -330,118 +372,63 @@ void on_buttonpress(XEvent *ev) {
|
|||
}
|
||||
}
|
||||
|
||||
void on_buttonrelease(XEvent *ev) {
|
||||
if (!ev)
|
||||
void on_motionnotify(XMotionEvent *mev) {
|
||||
if (!mev)
|
||||
return;
|
||||
|
||||
if (ev->xbutton.button == Button2)
|
||||
win_set_cursor(&win, CURSOR_ARROW);
|
||||
}
|
||||
|
||||
void on_motionnotify(XEvent *ev) {
|
||||
XMotionEvent *m;
|
||||
|
||||
if (!ev)
|
||||
return;
|
||||
|
||||
m = &ev->xmotion;
|
||||
|
||||
if (m->x >= 0 && m->x <= win.w && m->y >= 0 && m->y <= win.h) {
|
||||
if (img_move(&img, &win, m->x - mox, m->y - moy))
|
||||
if (mev->x >= 0 && mev->x <= win.w && mev->y >= 0 && mev->y <= win.h) {
|
||||
if (img_move(&img, &win, mev->x - mox, mev->y - moy))
|
||||
timeout = 1;
|
||||
|
||||
mox = m->x;
|
||||
moy = m->y;
|
||||
mox = mev->x;
|
||||
moy = mev->y;
|
||||
}
|
||||
}
|
||||
|
||||
void on_configurenotify(XEvent *ev) {
|
||||
if (!ev)
|
||||
return;
|
||||
void run() {
|
||||
int xfd;
|
||||
fd_set fds;
|
||||
struct timeval t;
|
||||
XEvent ev;
|
||||
|
||||
if (win_configure(&win, &ev->xconfigure)) {
|
||||
img.checkpan = 1;
|
||||
timeout = 1;
|
||||
}
|
||||
}
|
||||
timeout = 0;
|
||||
|
||||
void update_title() {
|
||||
int n;
|
||||
|
||||
n = snprintf(win_title, TITLE_LEN, "sxiv: [%d/%d] <%d%%> %s", fileidx + 1,
|
||||
filecnt, (int) (img.zoom * 100.0), filenames[fileidx]);
|
||||
|
||||
if (n >= TITLE_LEN) {
|
||||
win_title[TITLE_LEN - 2] = '.';
|
||||
win_title[TITLE_LEN - 3] = '.';
|
||||
win_title[TITLE_LEN - 4] = '.';
|
||||
}
|
||||
|
||||
win_set_title(&win, win_title);
|
||||
}
|
||||
|
||||
void check_append(const char *filename) {
|
||||
if (!filename)
|
||||
return;
|
||||
|
||||
if (img_check(filename)) {
|
||||
if (fileidx == filecnt) {
|
||||
filecnt *= 2;
|
||||
filenames = (const char**) s_realloc(filenames,
|
||||
filecnt * sizeof(const char*));
|
||||
}
|
||||
filenames[fileidx++] = filename;
|
||||
}
|
||||
}
|
||||
|
||||
void read_dir_rec(const char *dirname) {
|
||||
char *filename;
|
||||
const char **dirnames;
|
||||
int dircnt, diridx;
|
||||
unsigned char first;
|
||||
size_t len;
|
||||
DIR *dir;
|
||||
struct dirent *dentry;
|
||||
struct stat fstats;
|
||||
|
||||
if (!dirname)
|
||||
return;
|
||||
|
||||
dircnt = DNAME_CNT;
|
||||
diridx = first = 1;
|
||||
dirnames = (const char**) s_malloc(dircnt * sizeof(const char*));
|
||||
dirnames[0] = dirname;
|
||||
|
||||
while (diridx > 0) {
|
||||
dirname = dirnames[--diridx];
|
||||
if (!(dir = opendir(dirname)))
|
||||
die("could not open directory: %s", dirname);
|
||||
while ((dentry = readdir(dir))) {
|
||||
if (!strcmp(dentry->d_name, ".") || !strcmp(dentry->d_name, ".."))
|
||||
continue;
|
||||
len = strlen(dirname) + strlen(dentry->d_name) + 2;
|
||||
filename = (char*) s_malloc(len * sizeof(char));
|
||||
snprintf(filename, len, "%s/%s", dirname, dentry->d_name);
|
||||
if (stat(filename, &fstats)) {
|
||||
warn("could not stat file: %s", filename);
|
||||
free(filename);
|
||||
} else if (S_ISDIR(fstats.st_mode)) {
|
||||
if (diridx == dircnt) {
|
||||
dircnt *= 2;
|
||||
dirnames = (const char**) s_realloc(dirnames,
|
||||
dircnt * sizeof(const char*));
|
||||
}
|
||||
dirnames[diridx++] = filename;
|
||||
} else {
|
||||
check_append(filename);
|
||||
while (1) {
|
||||
if (timeout) {
|
||||
t.tv_sec = 0;
|
||||
t.tv_usec = 250;
|
||||
xfd = ConnectionNumber(win.env.dpy);
|
||||
FD_ZERO(&fds);
|
||||
FD_SET(xfd, &fds);
|
||||
|
||||
if (!XPending(win.env.dpy) && !select(xfd + 1, &fds, 0, 0, &t)) {
|
||||
img_render(&img, &win);
|
||||
timeout = 0;
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
if (!first)
|
||||
free((void*) dirname);
|
||||
else
|
||||
first = 0;
|
||||
}
|
||||
|
||||
free(dirnames);
|
||||
if (!XNextEvent(win.env.dpy, &ev)) {
|
||||
switch (ev.type) {
|
||||
case KeyPress:
|
||||
on_keypress(&ev.xkey);
|
||||
break;
|
||||
case ButtonPress:
|
||||
on_buttonpress(&ev.xbutton);
|
||||
break;
|
||||
case ButtonRelease:
|
||||
if (ev.xbutton.button == Button2)
|
||||
win_set_cursor(&win, CURSOR_ARROW);
|
||||
break;
|
||||
case MotionNotify:
|
||||
on_motionnotify(&ev.xmotion);
|
||||
break;
|
||||
case ConfigureNotify:
|
||||
if (win_configure(&win, &ev.xconfigure)) {
|
||||
img.checkpan = 1;
|
||||
timeout = 1;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue