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keyevents.c

/* keyevents.c

Copyright (C) 1999-2003 Tom Gilbert.
Copyright (C) 2010-2011 Daniel Friesel.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies of the Software and its documentation and acknowledgment shall be
given in the documentation and software packages that this Software was
used.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*/

#include "feh.h"
#include "thumbnail.h"
#include "filelist.h"
#include "winwidget.h"
#include "options.h"

fehkb keys;

static void feh_set_kb(fehkey *key, int s0, int y0, int s1, int y1, int s2, int y2) {
      key->keystates[0] = s0;
      key->keystates[1] = s1;
      key->keystates[2] = s2;
      key->keysyms[0] = y0;
      key->keysyms[1] = y1;
      key->keysyms[2] = y2;
}

static void feh_set_parse_kb_partial(fehkey *key, int index, char *ks) {
      char *cur = ks;
      int mod = 0;

      if (!*ks) {
            key->keysyms[index] = 0;
            return;
      }

      if (ks[1] == '-') {
            switch (ks[0]) {
                  case 'C':
                        mod = ControlMask;
                        break;
                  case '1':
                        mod = Mod1Mask;
                        break;
                  case '4':
                        mod = Mod4Mask;
                        break;
                  default:
                        weprintf("keys: invalid modifier %c in %s", ks[0], ks);
                        break;
            }
            cur = ks + 2;
      }

      key->keysyms[index] = XStringToKeysym(cur);
      key->keystates[index] = mod;

      if (key->keysyms[index] == NoSymbol)
            weprintf("keys: Invalid keysym: %s", cur);
}

void init_keyevents(void) {
      char *home = NULL;
      char *confhome = NULL;
      char *confpath = NULL;
      char line[128];
      char action[32], k1[32], k2[32], k3[32];
      struct __fehkey *cur_kb = NULL;
      FILE *conf = NULL;
      int read = 0;

      memset(&keys, 0, sizeof(keys));

      feh_set_kb(&keys.menu_close, 0, XK_Escape    , 0, 0            , 0, 0);
      feh_set_kb(&keys.menu_parent,0, XK_Left      , 0, 0            , 0, 0);
      feh_set_kb(&keys.menu_down , 0, XK_Down      , 0, 0            , 0, 0);
      feh_set_kb(&keys.menu_up   , 0, XK_Up        , 0, 0            , 0, 0);
      feh_set_kb(&keys.menu_child, 0, XK_Right     , 0, 0            , 0, 0);
      feh_set_kb(&keys.menu_select,0, XK_Return    , 0, XK_space     , 0, 0);
      feh_set_kb(&keys.scroll_left,0, XK_KP_Left   , 4, XK_Left      , 0, 0);
      feh_set_kb(&keys.scroll_right,0,XK_KP_Right  , 4, XK_Right     , 0, 0);
      feh_set_kb(&keys.scroll_down,0, XK_KP_Down   , 4, XK_Down      , 0, 0);
      feh_set_kb(&keys.scroll_up , 0, XK_KP_Up     , 4, XK_Up        , 0, 0);
      feh_set_kb(&keys.prev_img  , 0, XK_Left      , 0, XK_p         , 0, XK_BackSpace);
      feh_set_kb(&keys.next_img  , 0, XK_Right     , 0, XK_n         , 0, XK_space);
      feh_set_kb(&keys.jump_back , 0, XK_Page_Up   , 0, XK_KP_Page_Up, 0, 0);
      feh_set_kb(&keys.jump_fwd  , 0, XK_Page_Down , 0, XK_KP_Page_Down,0,0);
      feh_set_kb(&keys.jump_random,0, XK_z         , 0, 0            , 0, 0);
      feh_set_kb(&keys.quit      , 0, XK_Escape    , 0, XK_q         , 0, 0);
      feh_set_kb(&keys.close     , 0, XK_x         , 0, 0            , 0, 0);
      feh_set_kb(&keys.remove    , 0, XK_Delete    , 0, 0            , 0, 0);
      feh_set_kb(&keys.delete    , 4, XK_Delete    , 0, 0            , 0, 0);
      feh_set_kb(&keys.jump_first, 0, XK_Home      , 0, XK_KP_Home   , 0, 0);
      feh_set_kb(&keys.jump_last , 0, XK_End       , 0, XK_KP_End    , 0, 0);
      feh_set_kb(&keys.action_0  , 0, XK_Return    , 0, XK_0         , 0, XK_KP_0);
      feh_set_kb(&keys.action_1  , 0, XK_1         , 0, XK_KP_1      , 0, 0);
      feh_set_kb(&keys.action_2  , 0, XK_2         , 0, XK_KP_2      , 0, 0);
      feh_set_kb(&keys.action_3  , 0, XK_3         , 0, XK_KP_3      , 0, 0);
      feh_set_kb(&keys.action_4  , 0, XK_4         , 0, XK_KP_4      , 0, 0);
      feh_set_kb(&keys.action_5  , 0, XK_5         , 0, XK_KP_5      , 0, 0);
      feh_set_kb(&keys.action_6  , 0, XK_6         , 0, XK_KP_6      , 0, 0);
      feh_set_kb(&keys.action_7  , 0, XK_7         , 0, XK_KP_7      , 0, 0);
      feh_set_kb(&keys.action_8  , 0, XK_8         , 0, XK_KP_8      , 0, 0);
      feh_set_kb(&keys.action_9  , 0, XK_9         , 0, XK_KP_9      , 0, 0);
      feh_set_kb(&keys.zoom_in   , 0, XK_Up        , 0, XK_KP_Add    , 0, 0);
      feh_set_kb(&keys.zoom_out  , 0, XK_Down      , 0, XK_KP_Subtract,0, 0);
      feh_set_kb(&keys.zoom_default, 0, XK_KP_Multiply, 0, 0         , 0, 0);
      feh_set_kb(&keys.zoom_fit  , 0, XK_KP_Divide , 0, 0            , 0, 0);
      feh_set_kb(&keys.size_to_image, 0, XK_w      , 0, 0            , 0, 0);
      feh_set_kb(&keys.render    , 0, XK_KP_Begin  , 0, 0            , 0, 0);
      feh_set_kb(&keys.toggle_actions, 0, XK_a, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_aliasing, 0, XK_A, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_filenames, 0, XK_d, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_pointer, 0, XK_o, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_caption, 0, XK_c, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_pause, 0, XK_h, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_menu, 0, XK_m, 0, 0, 0, 0);
      feh_set_kb(&keys.toggle_fullscreen, 0, XK_v, 0, 0, 0, 0);
      feh_set_kb(&keys.reload_image, 0, XK_r, 0, 0, 0, 0);
      feh_set_kb(&keys.save_image, 0, XK_s, 0, 0, 0, 0);
      feh_set_kb(&keys.save_filelist, 0, XK_f, 0, 0, 0, 0);
      feh_set_kb(&keys.orient_1, 0, XK_greater, 0, 0, 0, 0);
      feh_set_kb(&keys.orient_3, 0, XK_less, 0, 0, 0, 0);
      feh_set_kb(&keys.reload_minus, 0, XK_minus, 0, 0, 0, 0);
      feh_set_kb(&keys.reload_plus, 0, XK_plus, 0, 0, 0, 0);

      home = getenv("HOME");
      if (!home)
            eprintf("No HOME in environment\n");

      confhome = getenv("XDG_CONFIG_HOME");

      if (confhome)
            confpath = estrjoin("/", confhome, "feh/keys", NULL);
      else
            confpath = estrjoin("/", home, ".config/feh/keys", NULL);

      conf = fopen(confpath, "r");

      free(confpath);

      if (!conf && ((conf = fopen("/etc/feh/keys", "r")) == NULL))
            return;

      while (fgets(line, sizeof(line), conf)) {
            *action = '\0';
            *k1 = '\0';
            *k2 = '\0';
            *k3 = '\0';

            read = sscanf(line, "%31s %31s %31s %31s\n",
                  (char *) &action, (char *) &k1, (char* ) &k2, (char *) &k3);

            if ((read == EOF) || (read == 0) || (line[0] == '#'))
                  continue;

            if (!strcmp(action, "menu_close"))
                  cur_kb = &keys.menu_close;
            else if (!strcmp(action, "menu_parent"))
                  cur_kb = &keys.menu_parent;
            else if (!strcmp(action, "menu_down"))
                  cur_kb = &keys.menu_down;
            else if (!strcmp(action, "menu_up"))
                  cur_kb = &keys.menu_up;
            else if (!strcmp(action, "menu_child"))
                  cur_kb = &keys.menu_child;
            else if (!strcmp(action, "menu_select"))
                  cur_kb = &keys.menu_select;
            else if (!strcmp(action, "scroll_right"))
                  cur_kb = &keys.scroll_right;
            else if (!strcmp(action, "scroll_left"))
                  cur_kb = &keys.scroll_left;
            else if (!strcmp(action, "scroll_up"))
                  cur_kb = &keys.scroll_up;
            else if (!strcmp(action, "scroll_down"))
                  cur_kb = &keys.scroll_down;
            else if (!strcmp(action, "prev_img"))
                  cur_kb = &keys.prev_img;
            else if (!strcmp(action, "next_img"))
                  cur_kb = &keys.next_img;
            else if (!strcmp(action, "jump_back"))
                  cur_kb = &keys.jump_back;
            else if (!strcmp(action, "jump_fwd"))
                  cur_kb = &keys.jump_fwd;
            else if (!strcmp(action, "jump_random"))
                  cur_kb = &keys.jump_random;
            else if (!strcmp(action, "quit"))
                  cur_kb = &keys.quit;
            else if (!strcmp(action, "close"))
                  cur_kb = &keys.close;
            else if (!strcmp(action, "remove"))
                  cur_kb = &keys.remove;
            else if (!strcmp(action, "delete"))
                  cur_kb = &keys.delete;
            else if (!strcmp(action, "jump_first"))
                  cur_kb = &keys.jump_first;
            else if (!strcmp(action, "jump_last"))
                  cur_kb = &keys.jump_last;
            else if (!strcmp(action, "action_0"))
                  cur_kb = &keys.action_0;
            else if (!strcmp(action, "action_1"))
                  cur_kb = &keys.action_1;
            else if (!strcmp(action, "action_2"))
                  cur_kb = &keys.action_2;
            else if (!strcmp(action, "action_3"))
                  cur_kb = &keys.action_3;
            else if (!strcmp(action, "action_4"))
                  cur_kb = &keys.action_4;
            else if (!strcmp(action, "action_5"))
                  cur_kb = &keys.action_5;
            else if (!strcmp(action, "action_6"))
                  cur_kb = &keys.action_6;
            else if (!strcmp(action, "action_7"))
                  cur_kb = &keys.action_7;
            else if (!strcmp(action, "action_8"))
                  cur_kb = &keys.action_8;
            else if (!strcmp(action, "action_9"))
                  cur_kb = &keys.action_9;
            else if (!strcmp(action, "zoom_in"))
                  cur_kb = &keys.zoom_in;
            else if (!strcmp(action, "zoom_out"))
                  cur_kb = &keys.zoom_out;
            else if (!strcmp(action, "zoom_default"))
                  cur_kb = &keys.zoom_default;
            else if (!strcmp(action, "zoom_fit"))
                  cur_kb = &keys.zoom_fit;
            else if (!strcmp(action, "size_to_image"))
                  cur_kb = &keys.size_to_image;
            else if (!strcmp(action, "render"))
                  cur_kb = &keys.render;
            else if (!strcmp(action, "toggle_actions"))
                  cur_kb = &keys.toggle_actions;
            else if (!strcmp(action, "toggle_aliasing"))
                  cur_kb = &keys.toggle_aliasing;
            else if (!strcmp(action, "toggle_filenames"))
                  cur_kb = &keys.toggle_filenames;
            else if (!strcmp(action, "toggle_pointer"))
                  cur_kb = &keys.toggle_pointer;
            else if (!strcmp(action, "toggle_caption"))
                  cur_kb = &keys.toggle_caption;
            else if (!strcmp(action, "toggle_pause"))
                  cur_kb = &keys.toggle_pause;
            else if (!strcmp(action, "toggle_menu"))
                  cur_kb = &keys.toggle_menu;
            else if (!strcmp(action, "toggle_fullscreen"))
                  cur_kb = &keys.toggle_fullscreen;
            else if (!strcmp(action, "reload_image"))
                  cur_kb = &keys.reload_image;
            else if (!strcmp(action, "save_image"))
                  cur_kb = &keys.save_image;
            else if (!strcmp(action, "save_filelist"))
                  cur_kb = &keys.save_filelist;
            else if (!strcmp(action, "orient_1"))
                  cur_kb = &keys.orient_1;
            else if (!strcmp(action, "orient_3"))
                  cur_kb = &keys.orient_3;
            else if (!strcmp(action, "reload_minus"))
                  cur_kb = &keys.reload_minus;
            else if (!strcmp(action, "reload_plus"))
                  cur_kb = &keys.reload_plus;
            else
                  weprintf("keys: Invalid action: %s", action);

            if (cur_kb) {
                  feh_set_parse_kb_partial(cur_kb, 0, k1);
                  feh_set_parse_kb_partial(cur_kb, 1, k2);
                  feh_set_parse_kb_partial(cur_kb, 2, k3);
            }
      }
      fclose(conf);
}

static short feh_is_kp(fehkey *key, int sym, int state) {
      int i;

      for (i = 0; i < 3; i++) {
            if (
                        (key->keysyms[i] == sym) &&
                        (key->keystates[i] == state))
                  return 1;
            else if (key->keysyms[i] == 0)
                  return 0;
      }
      return 0;
}

void feh_event_invoke_action(winwidget winwid, unsigned char action)
{
      if (opt.actions[action]) {
            if (opt.slideshow) {
                  feh_action_run(FEH_FILE(winwid->file->data), opt.actions[action]);
                  winwidget_update_caption(winwid);

                  if (! opt.hold_actions[action])
                        slideshow_change_image(winwid, SLIDE_NEXT);

            } else if ((winwid->type == WIN_TYPE_SINGLE)
                        || (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER)) {
                  feh_action_run(FEH_FILE(winwid->file->data), opt.actions[action]);
                  winwidget_destroy(winwid);
            } else if (winwid->type == WIN_TYPE_THUMBNAIL)
                  fputs("actions from the main thumb window aren't currently supported!\n"
                              "For now, open the image to perform the action on it.\n",
                              stdout);
      }
      return;
}

void feh_event_handle_keypress(XEvent * ev)
{
      int len;
      int state;
      char kbuf[20];
      KeySym keysym;
      XKeyEvent *kev;
      winwidget winwid = NULL;
      int curr_screen = 0;
      feh_menu_item *selected_item;
      feh_menu *selected_menu;

      winwid = winwidget_get_from_window(ev->xkey.window);

      /* nuke dupe events, unless we're typing text */
      if (winwid && !winwid->caption_entry) {
            while (XCheckTypedWindowEvent(disp, ev->xkey.window, KeyPress, ev));
      }

      kev = (XKeyEvent *) ev;
      len = XLookupString(&ev->xkey, (char *) kbuf, sizeof(kbuf), &keysym, NULL);
      state = kev->state & (ControlMask | Mod1Mask | Mod4Mask);

      /* menus are showing, so this is a menu control keypress */
      if (ev->xbutton.window == menu_cover) {
            selected_item = feh_menu_find_selected_r(menu_root, &selected_menu);
            if (feh_is_kp(&keys.menu_close, keysym, state))
                  feh_menu_hide(menu_root, True);
            else if (feh_is_kp(&keys.menu_parent, keysym, state))
                  feh_menu_select_parent(selected_menu);
            else if (feh_is_kp(&keys.menu_down, keysym, state))
                  feh_menu_select_next(selected_menu, selected_item);
            else if (feh_is_kp(&keys.menu_up, keysym, state))
                  feh_menu_select_prev(selected_menu, selected_item);
            else if (feh_is_kp(&keys.menu_child, keysym, state))
                  feh_menu_select_submenu(selected_menu);
            else if (feh_is_kp(&keys.menu_select, keysym, state))
                  feh_menu_item_activate(selected_menu, selected_item);
            return;
      }

      if (winwid == NULL)
            return;

      if (winwid->caption_entry) {
            switch (keysym) {
            case XK_Return:
                  if (state & ControlMask) {
                        /* insert actual newline */
                        ESTRAPPEND(FEH_FILE(winwid->file->data)->caption, "\n");
                        winwidget_render_image_cached(winwid);
                  } else {
                        /* finish caption entry, write to captions file */
                        FILE *fp;
                        char *caption_filename;
                        caption_filename =
                              build_caption_filename(FEH_FILE(winwid->file->data), 1);
                        winwid->caption_entry = 0;
                        winwidget_render_image_cached(winwid);
                        XFreePixmap(disp, winwid->bg_pmap_cache);
                        winwid->bg_pmap_cache = 0;
                        fp = fopen(caption_filename, "w");
                        if (!fp) {
                              eprintf("couldn't write to captions file %s:", caption_filename);
                              return;
                        }
                        fprintf(fp, "%s", FEH_FILE(winwid->file->data)->caption);
                        free(caption_filename);
                        fclose(fp);
                  }
                  break;
            case XK_Escape:
                  /* cancel, revert caption */
                  winwid->caption_entry = 0;
                  free(FEH_FILE(winwid->file->data)->caption);
                  FEH_FILE(winwid->file->data)->caption = NULL;
                  winwidget_render_image_cached(winwid);
                  XFreePixmap(disp, winwid->bg_pmap_cache);
                  winwid->bg_pmap_cache = 0;
                  break;
            case XK_BackSpace:
                  /* backspace */
                  ESTRTRUNC(FEH_FILE(winwid->file->data)->caption, 1);
                  winwidget_render_image_cached(winwid);
                  break;
            default:
                  if (isascii(keysym)) {
                        /* append to caption */
                        ESTRAPPEND_CHAR(FEH_FILE(winwid->file->data)->caption, keysym);
                        winwidget_render_image_cached(winwid);
                  }
                  break;
            }
            return;
      }

      if (feh_is_kp(&keys.next_img, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_NEXT);
            else if (winwid->type == WIN_TYPE_THUMBNAIL)
                  feh_thumbnail_select_next(winwid, 1);
      }
      else if (feh_is_kp(&keys.prev_img, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_PREV);
            else if (winwid->type == WIN_TYPE_THUMBNAIL)
                  feh_thumbnail_select_prev(winwid, 1);
      }
      else if (feh_is_kp(&keys.scroll_right, keysym, state)) {
            winwid->im_x -= 20;
            winwidget_render_image(winwid, 0, 1);
      }
      else if (feh_is_kp(&keys.scroll_left, keysym, state)) {
            winwid->im_x += 20;
            winwidget_render_image(winwid, 0, 1);
      }
      else if (feh_is_kp(&keys.scroll_down, keysym, state)) {
            winwid->im_y -= 20;
            winwidget_render_image(winwid, 0, 1);
      }
      else if (feh_is_kp(&keys.scroll_up, keysym, state)) {
            winwid->im_y += 20;
            winwidget_render_image(winwid, 0, 1);
      }
      else if (feh_is_kp(&keys.jump_back, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_JUMP_BACK);
            else if (winwid->type == WIN_TYPE_THUMBNAIL)
                  feh_thumbnail_select_prev(winwid, 10);
      }
      else if (feh_is_kp(&keys.jump_fwd, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_JUMP_FWD);
            else if (winwid->type == WIN_TYPE_THUMBNAIL)
                  feh_thumbnail_select_next(winwid, 10);
      }
      else if (feh_is_kp(&keys.quit, keysym, state)) {
            winwidget_destroy_all();
      }
      else if (feh_is_kp(&keys.delete, keysym, state)) {
            if (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER)
                  feh_thumbnail_mark_removed(FEH_FILE(winwid->file->data), 1);
            feh_filelist_image_remove(winwid, 1);
      }
      else if (feh_is_kp(&keys.remove, keysym, state)) {
            if (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER)
                  feh_thumbnail_mark_removed(FEH_FILE(winwid->file->data), 0);
            feh_filelist_image_remove(winwid, 0);
      }
      else if (feh_is_kp(&keys.jump_first, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_FIRST);
      }
      else if (feh_is_kp(&keys.jump_last, keysym, state)) {
            if (opt.slideshow)
                  slideshow_change_image(winwid, SLIDE_LAST);
      }
      else if (feh_is_kp(&keys.action_0, keysym, state)) {
            feh_event_invoke_action(winwid, 0);
      }
      else if (feh_is_kp(&keys.action_1, keysym, state)) {
            feh_event_invoke_action(winwid, 1);
      }
      else if (feh_is_kp(&keys.action_2, keysym, state)) {
            feh_event_invoke_action(winwid, 2);
      }
      else if (feh_is_kp(&keys.action_3, keysym, state)) {
            feh_event_invoke_action(winwid, 3);
      }
      else if (feh_is_kp(&keys.action_4, keysym, state)) {
            feh_event_invoke_action(winwid, 4);
      }
      else if (feh_is_kp(&keys.action_5, keysym, state)) {
            feh_event_invoke_action(winwid, 5);
      }
      else if (feh_is_kp(&keys.action_6, keysym, state)) {
            feh_event_invoke_action(winwid, 6);
      }
      else if (feh_is_kp(&keys.action_7, keysym, state)) {
            feh_event_invoke_action(winwid, 7);
      }
      else if (feh_is_kp(&keys.action_8, keysym, state)) {
            feh_event_invoke_action(winwid, 8);
      }
      else if (feh_is_kp(&keys.action_9, keysym, state)) {
            feh_event_invoke_action(winwid, 9);
      }
      else if (feh_is_kp(&keys.zoom_in, keysym, state)) {
            winwid->old_zoom = winwid->zoom;
            winwid->zoom = winwid->zoom * 1.25;
            winwid->im_x = (winwid->w / 2) - (((winwid->w / 2) - winwid->im_x) /
                  winwid->old_zoom * winwid->zoom);
            winwid->im_y = (winwid->h / 2) - (((winwid->h / 2) - winwid->im_y) /
                  winwid->old_zoom * winwid->zoom);
            winwidget_sanitise_offsets(winwid);
            winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.zoom_out, keysym, state)) {
            winwid->old_zoom = winwid->zoom;
            winwid->zoom = winwid->zoom * 0.80;
            winwid->im_x = (winwid->w / 2) - (((winwid->w / 2) - winwid->im_x) /
                  winwid->old_zoom * winwid->zoom);
            winwid->im_y = (winwid->h / 2) - (((winwid->h / 2) - winwid->im_y) /
                  winwid->old_zoom * winwid->zoom);
            winwidget_sanitise_offsets(winwid);
            winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.zoom_default, keysym, state)) {
            winwid->zoom = 1.0;
            /* --scale-down will revert our operation if old_zoom == 1.0 */
            if (opt.scale_down)
                  winwid->old_zoom = 1.001;
            winwidget_center_image(winwid);
            winwidget_render_image(winwid, 0, 0);
            /* --scale-down will also do weird stuff if zoom is 1.0 */
            if (opt.scale_down)
                  winwid->zoom = 1.001;
      }
      else if (feh_is_kp(&keys.zoom_fit, keysym, state)) {
            feh_calc_needed_zoom(&winwid->zoom, winwid->im_w, winwid->im_h, winwid->w, winwid->h);
            winwidget_center_image(winwid);
            winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.render, keysym, state)) {
            if (winwid->type == WIN_TYPE_THUMBNAIL)
                  feh_thumbnail_show_selected();
            else
                  winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.toggle_actions, keysym, state)) {
            opt.draw_actions = !opt.draw_actions;
            winwidget_rerender_all(0);
      }
      else if (feh_is_kp(&keys.toggle_aliasing, keysym, state)) {
            opt.force_aliasing = !opt.force_aliasing;
            winwid->force_aliasing = !winwid->force_aliasing;
            winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.toggle_filenames, keysym, state)) {
            opt.draw_filename = !opt.draw_filename;
            winwidget_rerender_all(0);
      }
      else if (feh_is_kp(&keys.toggle_pointer, keysym, state)) {
            winwidget_set_pointer(winwid, opt.hide_pointer);
            opt.hide_pointer = !opt.hide_pointer;
      }
      else if (feh_is_kp(&keys.jump_random, keysym, state)) {
            slideshow_change_image(winwid, SLIDE_RAND);
      }
      else if (feh_is_kp(&keys.toggle_caption, keysym, state)) {
            if (opt.caption_path)
                  winwid->caption_entry = 1;
            winwidget_render_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.reload_image, keysym, state)) {
            feh_reload_image(winwid, 0, 0);
      }
      else if (feh_is_kp(&keys.toggle_pause, keysym, state)) {
            slideshow_pause_toggle(winwid);
      }
      else if (feh_is_kp(&keys.save_image, keysym, state)) {
            slideshow_save_image(winwid);
      }
      else if (feh_is_kp(&keys.save_filelist, keysym, state)) {
            if ((winwid->type == WIN_TYPE_THUMBNAIL)
                        || (winwid->type == WIN_TYPE_THUMBNAIL_VIEWER))
                  weprintf("Filelist saving is not supported in thumbnail mode");
            else
                  feh_save_filelist();
      }
      else if (feh_is_kp(&keys.size_to_image, keysym, state)) {
            winwidget_size_to_image(winwid);
      }
      else if (feh_is_kp(&keys.toggle_menu, keysym, state)) {
            winwidget_show_menu(winwid);
      }
      else if (feh_is_kp(&keys.close, keysym, state)) {
            winwidget_destroy(winwid);
      }
      else if (feh_is_kp(&keys.orient_1, keysym, state)) {
            feh_edit_inplace_orient(winwid, 1);
      }
      else if (feh_is_kp(&keys.orient_3, keysym, state)) {
            feh_edit_inplace_orient(winwid, 3);
      }
      else if (feh_is_kp(&keys.toggle_fullscreen, keysym, state)) {
#ifdef HAVE_LIBXINERAMA
            if (opt.xinerama && xinerama_screens) {
                  int i, rect[4];

                  winwidget_get_geometry(winwid, rect);
                  for (i = 0; i < num_xinerama_screens; i++) {
                        xinerama_screen = 0;
                        if (XY_IN_RECT(rect[0], rect[1],
                                          xinerama_screens[i].x_org,
                                          xinerama_screens[i].y_org,
                                          xinerama_screens[i].width,
                                          xinerama_screens[i].height)) {
                              curr_screen = xinerama_screen = i;
                              break;
                        }
                  }
                  if (getenv("XINERAMA_SCREEN"))
                        curr_screen = xinerama_screen =
                              atoi(getenv("XINERAMA_SCREEN"));
            }
#endif                        /* HAVE_LIBXINERAMA */
            winwid->full_screen = !winwid->full_screen;
            winwidget_destroy_xwin(winwid);
            winwidget_create_window(winwid, winwid->im_w, winwid->im_h);
            winwidget_render_image(winwid, 1, 0);
            winwidget_show(winwid);
#ifdef HAVE_LIBXINERAMA
            /* if we have xinerama and we're using it, then full screen the window
             * on the head that the window was active on */
            if (winwid->full_screen == TRUE && opt.xinerama && xinerama_screens) {
                  xinerama_screen = curr_screen;
                  winwidget_move(winwid,
                              xinerama_screens[curr_screen].x_org, xinerama_screens[curr_screen].y_org);
            }
#endif                        /* HAVE_LIBXINERAMA */
      }
      else if (feh_is_kp(&keys.reload_plus, keysym, state)){ 
            if (opt.reload < SLIDESHOW_RELOAD_MAX)
                  opt.reload++;
            else if (opt.verbose)
                  weprintf("Cannot set RELOAD higher than %d seconds.", opt.reload);
      }
      else if (feh_is_kp(&keys.reload_minus, keysym, state)) {
            if (opt.reload > 1)
                  opt.reload--;
            else if (opt.verbose)
                  weprintf("Cannot set RELOAD lower than 1 second.");
      }
      return;
}

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