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nsxiv
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Put event handling back into main.c; events -> commands

master
Bert 2011-08-19 15:02:10 +02:00
parent 1d7849efc1
commit 1d749382f0
5 changed files with 211 additions and 216 deletions
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2
Makefile
View File

@ -9,7 +9,7 @@ CFLAGS = -Wall -pedantic -O2 -DVERSION=\"$(VERSION)\"
LDFLAGS =
LIBS = -lX11 -lImlib2
SRC = events.o image.c main.c options.c thumbs.c util.c window.c
SRC = commands.c image.c main.c options.c thumbs.c util.c window.c
OBJ = $(SRC:.c=.o)
sxiv: $(OBJ)

211
events.c → commands.c
View File

@ -1,4 +1,4 @@
/* sxiv: events.c
/* sxiv: commands.c
* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
*
* This program is free software; you can redistribute it and/or
@ -16,36 +16,20 @@
* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA.
*/
#define _GENERAL_CONFIG
#define _MAPPINGS_CONFIG
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
#include "events.h"
#include "commands.h"
#include "image.h"
#include "thumbs.h"
#include "types.h"
#include "util.h"
#include "window.h"
#include "config.h"
/* timeouts in milliseconds: */
enum {
TO_WIN_RESIZE = 75,
TO_CURSOR_HIDE = 1500,
TO_THUMBS_LOAD = 200
};
void cleanup();
void remove_file(int, unsigned char);
void load_image(int);
void update_title();
extern appmode_t mode;
extern img_t img;
@ -55,193 +39,8 @@ extern win_t win;
extern fileinfo_t *files;
extern int filecnt, fileidx;
int timo_cursor;
int timo_redraw;
void redraw() {
if (mode == MODE_IMAGE) {
img_render(&img, &win);
if (timo_cursor)
win_set_cursor(&win, CURSOR_ARROW);
else
win_set_cursor(&win, CURSOR_NONE);
} else {
tns_render(&tns, &win);
}
update_title();
timo_redraw = 0;
}
Bool keymask(const keymap_t *k, unsigned int state) {
return (k->ctrl ? ControlMask : 0) == (state & ControlMask);
}
Bool buttonmask(const button_t *b, unsigned int state) {
return ((b->ctrl ? ControlMask : 0) | (b->shift ? ShiftMask : 0)) ==
(state & (ControlMask | ShiftMask));
}
void on_keypress(XKeyEvent *kev) {
int i;
KeySym ksym;
char key;
if (!kev)
return;
XLookupString(kev, &key, 1, &ksym, NULL);
for (i = 0; i < LEN(keys); i++) {
if (keys[i].ksym == ksym && keymask(&keys[i], kev->state)) {
if (keys[i].cmd && keys[i].cmd(keys[i].arg))
redraw();
return;
}
}
}
void on_buttonpress(XButtonEvent *bev) {
int i, sel;
if (!bev)
return;
if (mode == MODE_IMAGE) {
win_set_cursor(&win, CURSOR_ARROW);
timo_cursor = TO_CURSOR_HIDE;
for (i = 0; i < LEN(buttons); i++) {
if (buttons[i].button == bev->button &&
buttonmask(&buttons[i], bev->state))
{
if (buttons[i].cmd && buttons[i].cmd(buttons[i].arg))
redraw();
return;
}
}
} else {
/* thumbnail mode (hard-coded) */
switch (bev->button) {
case Button1:
if ((sel = tns_translate(&tns, bev->x, bev->y)) >= 0) {
if (sel == tns.sel) {
load_image(tns.sel);
mode = MODE_IMAGE;
timo_cursor = TO_CURSOR_HIDE;
} else {
tns_highlight(&tns, &win, tns.sel, False);
tns_highlight(&tns, &win, sel, True);
tns.sel = sel;
}
redraw();
break;
}
break;
case Button4:
case Button5:
if (tns_scroll(&tns, bev->button == Button4 ? DIR_UP : DIR_DOWN))
redraw();
break;
}
}
}
void run() {
int xfd, timeout;
fd_set fds;
struct timeval tt, t0, t1;
XEvent ev;
timo_cursor = mode == MODE_IMAGE ? TO_CURSOR_HIDE : 0;
redraw();
while (1) {
if (mode == MODE_THUMB && tns.cnt < filecnt) {
/* load thumbnails */
win_set_cursor(&win, CURSOR_WATCH);
gettimeofday(&t0, 0);
while (tns.cnt < filecnt && !XPending(win.env.dpy)) {
if (tns_load(&tns, tns.cnt, &files[tns.cnt], False, False))
tns.cnt++;
else
remove_file(tns.cnt, 0);
gettimeofday(&t1, 0);
if (TIMEDIFF(&t1, &t0) >= TO_THUMBS_LOAD)
break;
}
if (tns.cnt == filecnt)
win_set_cursor(&win, CURSOR_ARROW);
if (!XPending(win.env.dpy)) {
redraw();
continue;
} else {
timo_redraw = TO_THUMBS_LOAD;
}
} else if (timo_cursor || timo_redraw) {
/* check active timeouts */
gettimeofday(&t0, 0);
timeout = MIN(timo_cursor + 1, timo_redraw + 1);
MSEC_TO_TIMEVAL(timeout, &tt);
xfd = ConnectionNumber(win.env.dpy);
FD_ZERO(&fds);
FD_SET(xfd, &fds);
if (!XPending(win.env.dpy))
select(xfd + 1, &fds, 0, 0, &tt);
gettimeofday(&t1, 0);
timeout = MIN(TIMEDIFF(&t1, &t0), timeout);
/* timeouts fired? */
if (timo_cursor) {
timo_cursor = MAX(0, timo_cursor - timeout);
if (!timo_cursor)
win_set_cursor(&win, CURSOR_NONE);
}
if (timo_redraw) {
timo_redraw = MAX(0, timo_redraw - timeout);
if (!timo_redraw)
redraw();
}
if ((timo_cursor || timo_redraw) && !XPending(win.env.dpy))
continue;
}
if (!XNextEvent(win.env.dpy, &ev)) {
/* handle events */
switch (ev.type) {
case ButtonPress:
on_buttonpress(&ev.xbutton);
break;
case ClientMessage:
if ((Atom) ev.xclient.data.l[0] == wm_delete_win)
return;
break;
case ConfigureNotify:
if (win_configure(&win, &ev.xconfigure)) {
timo_redraw = TO_WIN_RESIZE;
if (mode == MODE_IMAGE)
img.checkpan = 1;
else
tns.dirty = 1;
}
break;
case KeyPress:
on_keypress(&ev.xkey);
break;
case MotionNotify:
if (!timo_cursor)
win_set_cursor(&win, CURSOR_ARROW);
timo_cursor = TO_CURSOR_HIDE;
break;
}
}
}
}
/* command functions for key and button mappings: */
extern int timo_cursor;
extern int timo_redraw;
int it_quit(arg_t a) {
cleanup();
@ -593,7 +392,7 @@ int it_shell_cmd(arg_t a) {
end:
if (mode == MODE_THUMB)
win_set_cursor(&win, CURSOR_ARROW);
/* else: cursor is reset in redraw() */
/* else: cursor gets reset in redraw() */
free(cmdline);

11
events.h → commands.h
View File

@ -1,4 +1,4 @@
/* sxiv: events.h
/* sxiv: commands.h
* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
*
* This program is free software; you can redistribute it and/or
@ -16,8 +16,8 @@
* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA.
*/
#ifndef EVENTS_H
#define EVENTS_H
#ifndef COMMANDS_H
#define COMMANDS_H
#include <X11/Xlib.h>
@ -39,9 +39,6 @@ typedef struct {
arg_t arg;
} button_t;
void run();
/* command functions for key and button mappings: */
int it_quit(arg_t);
int it_switch_mode(arg_t);
int it_toggle_fullscreen(arg_t);
@ -63,4 +60,4 @@ int i_toggle_alpha(arg_t);
int it_open_with(arg_t);
int it_shell_cmd(arg_t);
#endif /* EVENTS_H */
#endif /* COMMANDS_H */

196
main.c
View File

@ -17,11 +17,15 @@
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <X11/Xutil.h>
#include <X11/keysym.h>
#include "events.h"
#include "commands.h"
#include "image.h"
#include "options.h"
#include "thumbs.h"
@ -29,6 +33,9 @@
#include "util.h"
#include "window.h"
#define _MAPPINGS_CONFIG
#include "config.h"
enum {
TITLE_LEN = 256,
FNAME_CNT = 1024
@ -45,6 +52,9 @@ size_t filesize;
char win_title[TITLE_LEN];
int timo_cursor;
int timo_redraw;
void cleanup() {
static int in = 0;
@ -115,7 +125,7 @@ void load_image(int new) {
if (new < 0 || new >= filecnt)
return;
/* cursor is reset in redraw() */
/* cursor gets reset in redraw() */
win_set_cursor(&win, CURSOR_WATCH);
img_close(&img, 0);
@ -158,6 +168,188 @@ void update_title() {
win_set_title(&win, win_title);
}
void redraw() {
if (mode == MODE_IMAGE) {
img_render(&img, &win);
if (timo_cursor)
win_set_cursor(&win, CURSOR_ARROW);
else
win_set_cursor(&win, CURSOR_NONE);
} else {
tns_render(&tns, &win);
}
update_title();
timo_redraw = 0;
}
Bool keymask(const keymap_t *k, unsigned int state) {
return (k->ctrl ? ControlMask : 0) == (state & ControlMask);
}
Bool buttonmask(const button_t *b, unsigned int state) {
return ((b->ctrl ? ControlMask : 0) | (b->shift ? ShiftMask : 0)) ==
(state & (ControlMask | ShiftMask));
}
void on_keypress(XKeyEvent *kev) {
int i;
KeySym ksym;
char key;
if (!kev)
return;
XLookupString(kev, &key, 1, &ksym, NULL);
for (i = 0; i < LEN(keys); i++) {
if (keys[i].ksym == ksym && keymask(&keys[i], kev->state)) {
if (keys[i].cmd && keys[i].cmd(keys[i].arg))
redraw();
return;
}
}
}
void on_buttonpress(XButtonEvent *bev) {
int i, sel;
if (!bev)
return;
if (mode == MODE_IMAGE) {
win_set_cursor(&win, CURSOR_ARROW);
timo_cursor = TO_CURSOR_HIDE;
for (i = 0; i < LEN(buttons); i++) {
if (buttons[i].button == bev->button &&
buttonmask(&buttons[i], bev->state))
{
if (buttons[i].cmd && buttons[i].cmd(buttons[i].arg))
redraw();
return;
}
}
} else {
/* thumbnail mode (hard-coded) */
switch (bev->button) {
case Button1:
if ((sel = tns_translate(&tns, bev->x, bev->y)) >= 0) {
if (sel == tns.sel) {
load_image(tns.sel);
mode = MODE_IMAGE;
timo_cursor = TO_CURSOR_HIDE;
} else {
tns_highlight(&tns, &win, tns.sel, False);
tns_highlight(&tns, &win, sel, True);
tns.sel = sel;
}
redraw();
break;
}
break;
case Button4:
case Button5:
if (tns_scroll(&tns, bev->button == Button4 ? DIR_UP : DIR_DOWN))
redraw();
break;
}
}
}
void run() {
int xfd, timeout;
fd_set fds;
struct timeval tt, t0, t1;
XEvent ev;
timo_cursor = mode == MODE_IMAGE ? TO_CURSOR_HIDE : 0;
redraw();
while (1) {
if (mode == MODE_THUMB && tns.cnt < filecnt) {
/* load thumbnails */
win_set_cursor(&win, CURSOR_WATCH);
gettimeofday(&t0, 0);
while (tns.cnt < filecnt && !XPending(win.env.dpy)) {
if (tns_load(&tns, tns.cnt, &files[tns.cnt], False, False))
tns.cnt++;
else
remove_file(tns.cnt, 0);
gettimeofday(&t1, 0);
if (TIMEDIFF(&t1, &t0) >= TO_THUMBS_LOAD)
break;
}
if (tns.cnt == filecnt)
win_set_cursor(&win, CURSOR_ARROW);
if (!XPending(win.env.dpy)) {
redraw();
continue;
} else {
timo_redraw = TO_THUMBS_LOAD;
}
} else if (timo_cursor || timo_redraw) {
/* check active timeouts */
gettimeofday(&t0, 0);
timeout = MIN(timo_cursor + 1, timo_redraw + 1);
MSEC_TO_TIMEVAL(timeout, &tt);
xfd = ConnectionNumber(win.env.dpy);
FD_ZERO(&fds);
FD_SET(xfd, &fds);
if (!XPending(win.env.dpy))
select(xfd + 1, &fds, 0, 0, &tt);
gettimeofday(&t1, 0);
timeout = MIN(TIMEDIFF(&t1, &t0), timeout);
/* timeouts fired? */
if (timo_cursor) {
timo_cursor = MAX(0, timo_cursor - timeout);
if (!timo_cursor)
win_set_cursor(&win, CURSOR_NONE);
}
if (timo_redraw) {
timo_redraw = MAX(0, timo_redraw - timeout);
if (!timo_redraw)
redraw();
}
if ((timo_cursor || timo_redraw) && !XPending(win.env.dpy))
continue;
}
if (!XNextEvent(win.env.dpy, &ev)) {
/* handle events */
switch (ev.type) {
case ButtonPress:
on_buttonpress(&ev.xbutton);
break;
case ClientMessage:
if ((Atom) ev.xclient.data.l[0] == wm_delete_win)
return;
break;
case ConfigureNotify:
if (win_configure(&win, &ev.xconfigure)) {
timo_redraw = TO_WIN_RESIZE;
if (mode == MODE_IMAGE)
img.checkpan = 1;
else
tns.dirty = 1;
}
break;
case KeyPress:
on_keypress(&ev.xkey);
break;
case MotionNotify:
if (!timo_cursor)
win_set_cursor(&win, CURSOR_ARROW);
timo_cursor = TO_CURSOR_HIDE;
break;
}
}
}
}
int fncmp(const void *a, const void *b) {
return strcoll(((fileinfo_t*) a)->name, ((fileinfo_t*) b)->name);
}

7
types.h
View File

@ -31,4 +31,11 @@ typedef struct {
const char *path; /* always absolute */
} fileinfo_t;
/* timeouts in milliseconds: */
enum {
TO_WIN_RESIZE = 75,
TO_CURSOR_HIDE = 1500,
TO_THUMBS_LOAD = 200
};
#endif /* TYPES_H */