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Diffstat (limited to 'utils/nsxiv/commands.c')
| -rw-r--r-- | utils/nsxiv/commands.c | 479 |
1 files changed, 479 insertions, 0 deletions
diff --git a/utils/nsxiv/commands.c b/utils/nsxiv/commands.c new file mode 100644 index 0000000..9ee83ec --- /dev/null +++ b/utils/nsxiv/commands.c @@ -0,0 +1,479 @@ +/* Copyright 2011-2020 Bert Muennich + * Copyright 2021-2022 nsxiv contributors + * + * This file is a part of nsxiv. + * + * nsxiv is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation; either version 2 of the License, + * or (at your option) any later version. + * + * nsxiv is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with nsxiv. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "nsxiv.h" + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/wait.h> + +#include "commands.h" + +extern img_t img; +extern tns_t tns; +extern win_t win; + +bool cg_quit(arg_t status) +{ + unsigned int i; + + if (options->to_stdout && markcnt > 0) { + for (i = 0; i < filecnt; i++) { + if (files[i].flags & FF_MARK) + printf("%s%c", files[i].name, options->using_null ? '\0' : '\n'); + } + } + exit(status); + return None; /* silence tcc warning */ +} + +bool cg_switch_mode(arg_t _) +{ + if (mode == MODE_IMAGE) { + if (tns.thumbs == NULL) + tns_init(&tns, files, &filecnt, &fileidx, &win); + img_close(&img, false); + reset_timeout(reset_cursor); + if (img.ss.on) { + img.ss.on = false; + reset_timeout(slideshow); + } + tns.dirty = true; + mode = MODE_THUMB; + } else { + load_image(fileidx); + mode = MODE_IMAGE; + } + close_info(); + open_info(); + return true; +} + +bool cg_toggle_fullscreen(arg_t _) +{ + win_toggle_fullscreen(&win); + /* redraw after next ConfigureNotify event */ + set_timeout(redraw, TO_REDRAW_RESIZE, false); + if (mode == MODE_IMAGE) + img.checkpan = img.dirty = true; + else + tns.dirty = true; + return false; +} + +bool cg_toggle_bar(arg_t _) +{ + win_toggle_bar(&win); + if (mode == MODE_IMAGE) { + if (win.bar.h > 0) + open_info(); + else + close_info(); + img.checkpan = img.dirty = true; + } else { + tns.dirty = true; + } + return true; +} + +bool cg_prefix_external(arg_t _) +{ + handle_key_handler(true); + return false; +} + +bool cg_reload_image(arg_t _) +{ + if (mode == MODE_IMAGE) { + load_image(fileidx); + } else { + win_set_cursor(&win, CURSOR_WATCH); + if (!tns_load(&tns, fileidx, true, false)) { + remove_file(fileidx, false); + tns.dirty = true; + } + } + return true; +} + +bool cg_remove_image(arg_t _) +{ + remove_file(fileidx, true); + if (mode == MODE_IMAGE) + load_image(fileidx); + else + tns.dirty = true; + return true; +} + +bool cg_first(arg_t _) +{ + if (mode == MODE_IMAGE && fileidx != 0) { + load_image(0); + return true; + } else if (mode == MODE_THUMB && fileidx != 0) { + fileidx = 0; + tns.dirty = true; + return true; + } else { + return false; + } +} + +bool cg_n_or_last(arg_t _) +{ + int n = prefix != 0 && prefix - 1 < filecnt ? prefix - 1 : filecnt - 1; + + if (mode == MODE_IMAGE && fileidx != n) { + load_image(n); + return true; + } else if (mode == MODE_THUMB && fileidx != n) { + fileidx = n; + tns.dirty = true; + return true; + } else { + return false; + } +} + +bool cg_scroll_screen(arg_t dir) +{ + if (mode == MODE_IMAGE) + return img_pan(&img, dir, -1); + else + return tns_scroll(&tns, dir, true); +} + +bool cg_zoom(arg_t d) +{ + if (mode == MODE_THUMB) + return tns_zoom(&tns, d); + else + return img_zoom(&img, d); +} + +bool cg_toggle_image_mark(arg_t _) +{ + return mark_image(fileidx, !(files[fileidx].flags & FF_MARK)); +} + +bool cg_reverse_marks(arg_t _) +{ + int i; + + for (i = 0; i < filecnt; i++) { + files[i].flags ^= FF_MARK; + markcnt += files[i].flags & FF_MARK ? 1 : -1; + } + if (mode == MODE_THUMB) + tns.dirty = true; + return true; +} + +bool cg_mark_range(arg_t _) +{ + int d = markidx < fileidx ? 1 : -1, end, i; + bool dirty = false, on = !!(files[markidx].flags & FF_MARK); + + for (i = markidx + d, end = fileidx + d; i != end; i += d) + dirty |= mark_image(i, on); + return dirty; +} + +bool cg_unmark_all(arg_t _) +{ + int i; + + for (i = 0; i < filecnt; i++) + files[i].flags &= ~FF_MARK; + markcnt = 0; + if (mode == MODE_THUMB) + tns.dirty = true; + return true; +} + +bool cg_navigate_marked(arg_t n) +{ + int d, i; + int new = fileidx; + + if (prefix > 0) + n *= prefix; + d = n > 0 ? 1 : -1; + for (i = fileidx + d; n != 0 && i >= 0 && i < filecnt; i += d) { + if (files[i].flags & FF_MARK) { + n -= d; + new = i; + } + } + if (new != fileidx) { + if (mode == MODE_IMAGE) { + load_image(new); + } else { + fileidx = new; + tns.dirty = true; + } + return true; + } else { + return false; + } +} + +bool cg_change_gamma(arg_t d) +{ + if (img_change_gamma(&img, d * (prefix > 0 ? prefix : 1))) { + if (mode == MODE_THUMB) + tns.dirty = true; + return true; + } else { + return false; + } +} + +bool ci_navigate(arg_t n) +{ + if (prefix > 0) + n *= prefix; + n += fileidx; + n = MAX(0, MIN(n, filecnt - 1)); + + if (n != fileidx) { + load_image(n); + return true; + } else { + return false; + } +} + +bool ci_cursor_navigate(arg_t _) +{ + return ci_navigate(nav_button() - 1); +} + +bool ci_alternate(arg_t _) +{ + load_image(alternate); + return true; +} + +bool ci_navigate_frame(arg_t d) +{ + if (prefix > 0) + d *= prefix; + return !img.multi.animate && img_frame_navigate(&img, d); +} + +bool ci_toggle_animation(arg_t _) +{ + bool dirty = false; + + if (img.multi.cnt > 0) { + img.multi.animate = !img.multi.animate; + if (img.multi.animate) { + dirty = img_frame_animate(&img); + set_timeout(animate, img.multi.frames[img.multi.sel].delay, true); + } else { + reset_timeout(animate); + } + } + return dirty; +} + +bool ci_scroll(arg_t dir) +{ + return img_pan(&img, dir, prefix); +} + +bool ci_scroll_to_center(arg_t _) +{ + return img_pan_center(&img); +} + +bool ci_scroll_to_edge(arg_t dir) +{ + return img_pan_edge(&img, dir); +} + +bool ci_drag(arg_t drag_mode) +{ + int x, y, ox, oy; + float px, py; + XEvent e; + + if ((int)(img.w * img.zoom) <= win.w && (int)(img.h * img.zoom) <= win.h) + return false; + + win_set_cursor(&win, drag_mode == DRAG_ABSOLUTE ? CURSOR_DRAG_ABSOLUTE : CURSOR_DRAG_RELATIVE); + win_cursor_pos(&win, &x, &y); + ox = x; + oy = y; + + while (true) { + if (drag_mode == DRAG_ABSOLUTE) { + px = MIN(MAX(0.0, x - win.w*0.1), win.w*0.8) / (win.w*0.8) + * (win.w - img.w * img.zoom); + py = MIN(MAX(0.0, y - win.h*0.1), win.h*0.8) / (win.h*0.8) + * (win.h - img.h * img.zoom); + } else { + px = img.x + x - ox; + py = img.y + y - oy; + } + + if (img_pos(&img, px, py)) { + img_render(&img); + win_draw(&win); + } + XMaskEvent(win.env.dpy, + ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e); + if (e.type == ButtonPress || e.type == ButtonRelease) + break; + while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e)); + ox = x; + oy = y; + x = e.xmotion.x; + y = e.xmotion.y; + } + set_timeout(reset_cursor, TO_CURSOR_HIDE, true); + reset_cursor(); + + return true; +} + +bool ci_set_zoom(arg_t zl) +{ + return img_zoom_to(&img, (prefix ? prefix : zl) / 100.0); +} + +bool ci_fit_to_win(arg_t sm) +{ + return img_fit_win(&img, sm); +} + +bool ci_rotate(arg_t degree) +{ + img_rotate(&img, degree); + return true; +} + +bool ci_flip(arg_t dir) +{ + img_flip(&img, dir); + return true; +} + +bool ci_toggle_antialias(arg_t _) +{ + img_toggle_antialias(&img); + return true; +} + +bool ci_toggle_alpha(arg_t _) +{ + img.alpha = !img.alpha; + img.dirty = true; + return true; +} + +bool ci_slideshow(arg_t _) +{ + if (prefix > 0) { + img.ss.on = true; + img.ss.delay = prefix * 10; + set_timeout(slideshow, img.ss.delay * 100, true); + } else if (img.ss.on) { + img.ss.on = false; + reset_timeout(slideshow); + } else { + img.ss.on = true; + } + return true; +} + +bool ct_move_sel(arg_t dir) +{ + bool dirty = tns_move_selection(&tns, dir, prefix); + if (dirty) { + close_info(); + open_info(); + } + return dirty; +} + +bool ct_reload_all(arg_t _) +{ + tns_free(&tns); + tns_init(&tns, files, &filecnt, &fileidx, &win); + tns.dirty = true; + return true; +} + +bool ct_scroll(arg_t dir) +{ + return tns_scroll(&tns, dir, false); +} + +bool ct_drag_mark_image(arg_t _) +{ + int sel; + + if ((sel = tns_translate(&tns, xbutton_ev->x, xbutton_ev->y)) >= 0) { + XEvent e; + bool on = !(files[sel].flags & FF_MARK); + + while (true) { + if (sel >= 0 && mark_image(sel, on)) + redraw(); + XMaskEvent(win.env.dpy, + ButtonPressMask | ButtonReleaseMask | PointerMotionMask, &e); + if (e.type == ButtonPress || e.type == ButtonRelease) + break; + while (XCheckTypedEvent(win.env.dpy, MotionNotify, &e)); + sel = tns_translate(&tns, e.xbutton.x, e.xbutton.y); + } + } + + return false; +} + +bool ct_select(arg_t _) +{ + int sel; + bool dirty = false; + static Time firstclick; + + if ((sel = tns_translate(&tns, xbutton_ev->x, xbutton_ev->y)) >= 0) { + if (sel != fileidx) { + tns_highlight(&tns, fileidx, false); + tns_highlight(&tns, sel, true); + fileidx = sel; + firstclick = xbutton_ev->time; + dirty = true; + } else if (xbutton_ev->time - firstclick <= TO_DOUBLE_CLICK) { + mode = MODE_IMAGE; + set_timeout(reset_cursor, TO_CURSOR_HIDE, true); + load_image(fileidx); + dirty = true; + } else { + firstclick = xbutton_ev->time; + } + } + + return dirty; +} |