[w3m-dev 03452] image map
* display.c (displayBuffer): use getCurrentMapLabel() * fm.h (MapArea): delete ifdef MENU_MAP (image_map_list): added * main.c (followA): don't call retrieveCurrentImg() ifdef USE_IMAGE use retrieveCurrentMap() ifndef USE_IMAGE (_followForm): indent (drawAnchorCursor0): add AnchorList (drawAnchorCuror): pass AnchorList to drawAnchorCursor0 (follow_map): follow_map_panel * map.c (searchMapList): added (nearestMapArea): n, min default value to -1 (searchMapArea): added (getCurrentMapLabel): added (getMapXY): moved (retrieveCurrentMap): added (follow_map_menu): parsed_tagarg -> name rewrite to search map list/area (follow_map_panel): parsed_tagarg -> name rewrite to search map list/area (newMapArea): delete ifdef MENU_MAP (append_map_info): added (page_info_panel): append_map_info * proto.h (follow_map_menu): parsed_tagarg -> name (follow_map_panel): parsed_tagarg -> name (getCurrentMapLabel): added (retrieveCurrentMap): added * rc.c (CMT_IMAGE_MAP_LIST): added (image_map_list): added From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
This commit is contained in:
Fumitoshi UKAI
324
map.c
324
map.c
@@ -1,11 +1,24 @@
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/* $Id: map.c,v 1.13 2002/11/13 15:51:39 ukai Exp $ */
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/* $Id: map.c,v 1.14 2002/11/19 17:40:34 ukai Exp $ */
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/*
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* client-side image maps
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*/
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#include "fm.h"
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#include <math.h>
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#ifdef MENU_MAP
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static MapList *
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searchMapList(Buffer *buf, char *name)
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{
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MapList *ml;
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if (name == NULL)
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return NULL;
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for (ml = buf->maplist; ml != NULL; ml = ml->next) {
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if (!Strcmp_charp(ml->name, name))
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break;
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}
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return ml;
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}
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#ifdef USE_IMAGE
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static int
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inMapArea(MapArea * a, int x, int y)
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@@ -63,7 +76,7 @@ nearestMapArea(MapList *ml, int x, int y)
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{
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ListItem *al;
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MapArea *a;
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int i, l, n = 0, min = -1, limit = pixel_per_char * pixel_per_char
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int i, l, n = -1, min = -1, limit = pixel_per_char * pixel_per_char
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+ pixel_per_line * pixel_per_line;
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if (!ml || !ml->area)
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@@ -81,127 +94,83 @@ nearestMapArea(MapList *ml, int x, int y)
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}
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return n;
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}
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#endif
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MapArea *
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follow_map_menu(Buffer *buf, struct parsed_tagarg * arg, Anchor *a_img, int x,
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int y)
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static int
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searchMapArea(Buffer *buf, MapList *ml, Anchor *a_img)
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{
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ListItem *al;
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MapArea *a;
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int i, n;
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int px, py;
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if (!(ml && ml->area && ml->area->nitem))
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return -1;
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if (! getMapXY(buf, a_img, &px, &py))
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return -1;
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n = - ml->area->nitem;
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for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
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a = (MapArea *) al->ptr;
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if (!a)
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continue;
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if (n < 0 && inMapArea(a, px, py)) {
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if (a->shape == SHAPE_DEFAULT) {
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if (n == - ml->area->nitem)
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n = -i;
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}
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else
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n = i;
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}
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}
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if (n == - ml->area->nitem)
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return nearestMapArea(ml, px, py);
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else if (n < 0)
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return -n;
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return n;
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}
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Str
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getCurrentMapLabel(Buffer *buf)
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{
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Anchor *a_img, *a_form;
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FormItemList *fi;
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MapList *ml;
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ListItem *al;
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MapArea *a;
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char *name;
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int i, n, selected = -1, initial;
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char **label;
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#ifdef USE_IMAGE
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int px, py, map = 0;
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#endif
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int i, n;
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Str s;
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name = tag_get_value(arg, "link");
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if (name == NULL)
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a_img = retrieveCurrentImg(buf);
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if (!(a_img && a_img->image && a_img->image->map))
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return NULL;
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for (ml = buf->maplist; ml != NULL; ml = ml->next) {
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if (!Strcmp_charp(ml->name, name))
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break;
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}
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if (ml == NULL || ml->area == NULL)
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a_form = retrieveCurrentForm(buf);
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if (!(a_form && a_form->url))
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return NULL;
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n = ml->area->nitem;
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if (n == 0)
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fi = (FormItemList *)a_form->url;
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if (!(fi && fi->parent && fi->parent->item))
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return NULL;
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fi = fi->parent->item;
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ml = searchMapList(buf, fi->value ? fi->value->ptr : NULL);
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if (!ml)
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return NULL;
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n = searchMapArea(buf, ml, a_img);
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if (n < 0)
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return NULL;
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label = New_N(char *, n + 1);
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#ifdef USE_IMAGE
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if (getMapXY(buf, a_img, &px, &py))
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map = 1;
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#endif
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initial = -n;
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for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
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a = (MapArea *) al->ptr;
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if (a) {
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label[i] = *a->alt ? a->alt : a->url;
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#ifdef USE_IMAGE
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if (initial < 0 && map && inMapArea(a, px, py)) {
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if (a->shape == SHAPE_DEFAULT) {
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if (initial == -n)
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initial = -i;
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}
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else
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initial = i;
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}
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#endif
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}
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else
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label[i] = "";
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}
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label[n] = NULL;
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if (initial == -n)
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#ifdef USE_IMAGE
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initial = map ? nearestMapArea(ml, px, py) : 0;
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#else
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initial = 0;
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#endif
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else if (initial < 0)
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initial *= -1;
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optionMenu(x, y, label, &selected, initial, NULL);
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if (selected >= 0) {
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for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
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if (al->ptr && i == selected)
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return (MapArea *) al->ptr;
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if (!(a && i == n))
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continue;
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s = Sprintf("[%s]", a->alt);
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if (*a->alt) {
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ParsedURL pu;
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parseURL2(a->url, &pu, baseURL(buf));
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Strcat_char(s, ' ');
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Strcat(s, parsedURL2Str(&pu));
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}
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return s;
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}
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return NULL;
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}
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#else
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char *map1 = "<HTML><HEAD><TITLE>Image map links</TITLE></HEAD>\
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<BODY><H1>Image map links</H1>";
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Buffer *
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follow_map_panel(Buffer *buf, struct parsed_tagarg *arg)
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{
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Str mappage;
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MapList *ml;
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ListItem *al;
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MapArea *a;
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char *name;
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ParsedURL pu;
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name = tag_get_value(arg, "link");
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if (name == NULL)
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return NULL;
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for (ml = buf->maplist; ml != NULL; ml = ml->next) {
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if (!Strcmp_charp(ml->name, name))
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break;
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}
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if (ml == NULL)
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return NULL;
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mappage = Strnew_charp(map1);
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for (al = ml->area->first; al != NULL; al = al->next) {
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a = (MapArea *) al->ptr;
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if (!a)
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continue;
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parseURL2(a->url, &pu, baseURL(buf));
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Strcat_charp(mappage, "<a href=\"");
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Strcat_charp(mappage, html_quote(parsedURL2Str(&pu)->ptr));
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Strcat_charp(mappage, "\">");
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Strcat_charp(mappage, html_quote(a->alt));
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Strcat_charp(mappage, " ");
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Strcat_charp(mappage, html_quote(a->url));
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Strcat_charp(mappage, "</a><br>\n");
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}
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Strcat_charp(mappage, "</body></html>");
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return loadHTMLString(mappage);
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}
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#endif
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#ifdef USE_IMAGE
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int
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getMapXY(Buffer *buf, Anchor *a, int *x, int *y)
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{
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@@ -220,21 +189,118 @@ getMapXY(Buffer *buf, Anchor *a, int *x, int *y)
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}
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#endif
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Anchor *
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retrieveCurrentMap(Buffer *buf)
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{
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Anchor *a;
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FormItemList *fi;
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a = retrieveCurrentForm(buf);
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if (!a || !a->url)
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return NULL;
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fi = (FormItemList *)a->url;
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if (fi->parent->method == FORM_METHOD_INTERNAL &&
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!Strcmp_charp(fi->parent->action, "map"))
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return a;
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return NULL;
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}
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MapArea *
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follow_map_menu(Buffer *buf, char *name, Anchor *a_img, int x, int y)
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{
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MapList *ml;
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ListItem *al;
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MapArea *a;
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int i, selected = -1, initial = 0;
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#ifdef MENU_MAP
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char **label;
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#endif
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ml = searchMapList(buf, name);
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if (ml == NULL || ml->area == NULL || ml->area->nitem == 0)
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return NULL;
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#ifdef USE_IMAGE
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initial = searchMapArea(buf, ml, a_img);
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if (initial < 0)
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initial = 0;
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else if (!image_map_list) {
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selected = initial;
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goto map_end;
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}
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#endif
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#ifdef MENU_MAP
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label = New_N(char *, ml->area->nitem + 1);
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for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
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a = (MapArea *) al->ptr;
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if (a)
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label[i] = *a->alt ? a->alt : a->url;
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else
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label[i] = "";
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}
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label[ml->area->nitem] = NULL;
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optionMenu(x, y, label, &selected, initial, NULL);
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#endif
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map_end:
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if (selected >= 0) {
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for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
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if (al->ptr && i == selected)
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return (MapArea *) al->ptr;
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}
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}
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return NULL;
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}
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#ifndef MENU_MAP
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char *map1 = "<HTML><HEAD><TITLE>Image map links</TITLE></HEAD>\
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<BODY><H1>Image map links</H1>\
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<table>";
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Buffer *
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follow_map_panel(Buffer *buf, char *name)
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{
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Str mappage;
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MapList *ml;
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ListItem *al;
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MapArea *a;
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ParsedURL pu;
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char *url;
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ml = searchMapList(buf, name);
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if (ml == NULL)
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return NULL;
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mappage = Strnew_charp(map1);
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for (al = ml->area->first; al != NULL; al = al->next) {
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a = (MapArea *) al->ptr;
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if (!a)
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continue;
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parseURL2(a->url, &pu, baseURL(buf));
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url = html_quote(parsedURL2Str(&pu)->ptr);
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Strcat_m_charp(mappage, "<tr><td>", html_quote(a->alt),
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"<td><a href=\"", url, "\">", url, "</a>\n", NULL);
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}
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Strcat_charp(mappage, "</table></body></html>");
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return loadHTMLString(mappage);
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}
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#endif
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MapArea *
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newMapArea(char *url, char *target, char *alt, char *shape, char *coords)
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{
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MapArea *a = New(MapArea);
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#ifdef MENU_MAP
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#ifdef USE_IMAGE
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char *p;
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int i, max;
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#endif
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#endif
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a->url = url;
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a->target = target;
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a->alt = alt ? alt : "";
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#ifdef MENU_MAP
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#ifdef USE_IMAGE
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a->shape = SHAPE_RECT;
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if (shape) {
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@@ -316,11 +382,39 @@ newMapArea(char *url, char *target, char *alt, char *shape, char *coords)
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a->center_x /= a->ncoords / 2;
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a->center_y /= a->ncoords / 2;
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}
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#endif
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#endif
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return a;
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}
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/* append image map links */
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static void
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append_map_info(Buffer *buf, Str tmp, FormItemList *fi)
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{
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MapList *ml;
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ListItem *al;
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MapArea *a;
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ParsedURL pu;
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char *url;
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ml = searchMapList(buf, fi->value ? fi->value->ptr : NULL);
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if (ml == NULL)
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return;
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Strcat_charp(tmp, "<tr><td colspan=2>Links of current image map");
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Strcat_charp(tmp, "<tr><td colspan=2><table>");
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for (al = ml->area->first; al != NULL; al = al->next) {
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a = (MapArea *) al->ptr;
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if (!a)
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continue;
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parseURL2(a->url, &pu, baseURL(buf));
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url = html_quote(parsedURL2Str(&pu)->ptr);
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Strcat_m_charp(tmp, "<tr><td> <td>",
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html_quote(a->alt), "<td><a href=\"", url, "\">", url,
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"</a>\n", NULL);
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}
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Strcat_charp(tmp, "</table>");
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}
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/* append frame URL */
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static void
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append_frame_info(Buffer *buf, Str html, struct frameset *set, int level)
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@@ -436,9 +530,13 @@ page_info_panel(Buffer *buf)
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}
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a = retrieveCurrentForm(buf);
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if (a != NULL) {
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s = Strnew_charp(form2str((FormItemList *)a->url));
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FormItemList *fi = (FormItemList *)a->url;
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s = Strnew_charp(form2str(fi));
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Strcat_charp(tmp, "<tr><td nowrap>Method/type of current form<td>");
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Strcat_charp(tmp, html_quote(s->ptr));
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if (fi->parent->method == FORM_METHOD_INTERNAL &&
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!Strcmp_charp(fi->parent->action, "map"))
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append_map_info(buf, tmp, fi->parent->item);
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}
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Strcat_charp(tmp, "</table>\n");
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if (buf->document_header != NULL) {
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