mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-01 02:26:58 +03:00
988 lines
28 KiB
C
988 lines
28 KiB
C
/**
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* $Id: browser.c,v 1.37 2003/05/22 13:21:45 bursa Exp $
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*/
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#include "netsurf/content/cache.h"
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#include "netsurf/content/fetchcache.h"
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#include "netsurf/desktop/browser.h"
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#include "netsurf/riscos/font.h"
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#include "netsurf/render/box.h"
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#include "netsurf/utils/log.h"
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#include "netsurf/utils/utils.h"
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#include "libxml/uri.h"
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#include "libxml/debugXML.h"
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#include "curl/curl.h"
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <limits.h>
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#include <time.h>
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#include <ctype.h>
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static void browser_window_start_throbber(struct browser_window* bw);
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static void browser_window_text_selection(struct browser_window* bw,
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unsigned long click_x, unsigned long click_y, int click_type);
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static void browser_window_clear_text_selection(struct browser_window* bw);
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static void browser_window_change_text_selection(struct browser_window* bw, struct box_position* new_start, struct box_position* new_end);
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static int redraw_box_list(struct browser_window* bw, struct box* current,
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unsigned long x, unsigned long y, struct box_position* start,
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struct box_position* end, int* plot);
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static void browser_window_redraw_boxes(struct browser_window* bw, struct box_position* start, struct box_position* end);
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static void browser_window_follow_link(struct browser_window* bw,
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unsigned long click_x, unsigned long click_y, int click_type);
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static void browser_window_callback(fetchcache_msg msg, struct content *c,
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void *p, const char *error);
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static void clear_radio_gadgets(struct browser_window* bw, struct box* box, struct gui_gadget* group);
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static void gui_redraw_gadget2(struct browser_window* bw, struct box* box, struct gui_gadget* g,
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unsigned long x, unsigned long y);
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static void browser_window_gadget_select(struct browser_window* bw, struct gui_gadget* g, int item);
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static int browser_window_gadget_click(struct browser_window* bw, unsigned long click_x, unsigned long click_y);
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static void browser_form_submit(struct browser_window *bw, struct form *form);
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static char* browser_form_construct_get(struct page_elements *elements, struct formsubmit* fs);
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static void browser_form_get_append(char **s, int *length, char sep, char *name, char *value);
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void browser_window_start_throbber(struct browser_window* bw)
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{
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bw->throbbing = 1;
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gui_window_start_throbber(bw->window);
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return;
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}
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void browser_window_stop_throbber(struct browser_window* bw)
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{
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bw->throbbing = 0;
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gui_window_stop_throbber(bw->window);
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}
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void browser_window_reformat(struct browser_window* bw)
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{
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LOG(("bw = %p", bw));
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assert(bw != 0);
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if (bw->current_content == NULL)
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return;
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if (bw->current_content->title == 0)
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gui_window_set_title(bw->window, bw->url);
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else
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gui_window_set_title(bw->window, bw->current_content->title);
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gui_window_set_extent(bw->window, bw->current_content->width, bw->current_content->height);
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gui_window_set_scroll(bw->window, 0, 0);
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gui_window_redraw_window(bw->window);
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LOG(("done"));
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}
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/* create a new history item */
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struct history* history_create(char* desc, char* url)
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{
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struct history* h = xcalloc(1, sizeof(struct history));
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LOG(("desc = %s, url = %s", desc, url));
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h->description = 0;
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if (desc != 0)
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h->description = xstrdup(desc);
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h->url = xstrdup(url);
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LOG(("return h = %p", h));
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return h;
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}
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void browser_window_back(struct browser_window* bw)
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{
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if (bw->history != NULL)
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{
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if (bw->history->earlier != NULL)
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{
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bw->history = bw->history->earlier;
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browser_window_open_location_historical(bw, bw->history->url);
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}
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}
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}
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void browser_window_forward(struct browser_window* bw)
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{
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if (bw->history != NULL)
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{
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if (bw->history->later != NULL)
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{
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bw->history = bw->history->later;
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browser_window_open_location_historical(bw, bw->history->url);
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}
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}
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}
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/* remember a new page after the current one. anything remembered after the
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current page is forgotten. */
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void history_remember(struct history* current, char* desc, char* url)
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{
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struct history* h;
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LOG(("current = %p, desc = %s, url = %s", current, desc, url));
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assert(current != NULL);
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/* forget later history items */
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h = current->later;
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while (h != NULL)
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{
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struct history* hh;
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hh = h;
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h = h->later;
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if (hh->description != NULL)
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xfree(hh->description);
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if (hh->url != NULL)
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xfree(hh->url);
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xfree(hh);
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}
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current->later = history_create(desc, url);
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current->later->earlier = current;
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LOG(("end"));
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}
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struct browser_window* create_browser_window(int flags, int width, int height)
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{
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struct browser_window* bw;
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bw = (struct browser_window*) xcalloc(1, sizeof(struct browser_window));
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bw->flags = flags;
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bw->throbbing = 0;
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bw->format_width = width;
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bw->format_height = height;
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bw->scale.mult = 1;
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bw->scale.div = 1;
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bw->current_content = NULL;
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bw->history = NULL;
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bw->url = NULL;
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bw->window = create_gui_browser_window(bw);
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return bw;
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}
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void browser_window_set_status(struct browser_window* bw, const char* text)
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{
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if (bw->window != NULL)
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gui_window_set_status(bw->window, text);
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}
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void browser_window_destroy(struct browser_window* bw)
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{
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LOG(("bw = %p", bw));
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assert(bw != 0);
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if (bw->current_content != NULL)
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cache_free(bw->current_content);
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if (bw->history != NULL)
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{
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struct history* current;
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while (current->earlier != NULL)
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current = current->earlier;
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while (current != NULL)
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{
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struct history* hh;
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hh = current;
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current = current->later;
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if (hh->description != NULL)
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xfree(hh->description);
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if (hh->url != NULL)
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xfree(hh->url);
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xfree(hh);
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}
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}
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xfree(bw->url);
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gui_window_destroy(bw->window);
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xfree(bw);
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LOG(("end"));
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}
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void browser_window_open_location_historical(struct browser_window* bw, const char* url)
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{
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LOG(("bw = %p, url = %s", bw, url));
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assert(bw != 0 && url != 0);
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browser_window_set_status(bw, "Opening page...");
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browser_window_start_throbber(bw);
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bw->time0 = clock();
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fetchcache(url, 0, browser_window_callback, bw,
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gui_window_get_width(bw->window), 0,
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(1 << CONTENT_HTML) | (1 << CONTENT_TEXTPLAIN) |
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(1 << CONTENT_JPEG) | (1 << CONTENT_PNG));
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LOG(("end"));
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}
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void browser_window_open_location(struct browser_window* bw, const char* url0)
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{
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char *url;
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LOG(("bw = %p, url0 = %s", bw, url0));
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assert(bw != 0 && url0 != 0);
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url = url_join(url0, bw->url);
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browser_window_open_location_historical(bw, url);
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if (bw->history == NULL)
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bw->history = history_create(NULL, url);
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else
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{
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history_remember(bw->history, NULL, url);
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bw->history = bw->history->later;
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}
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xfree(url);
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LOG(("end"));
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}
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void browser_window_callback(fetchcache_msg msg, struct content *c,
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void *p, const char *error)
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{
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struct browser_window* bw = p;
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gui_safety previous_safety;
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char status[40];
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switch (msg)
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{
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case FETCHCACHE_OK:
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{
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struct gui_message gmsg;
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if (bw->url != 0)
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xfree(bw->url);
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bw->url = xstrdup(c->url);
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gmsg.type = msg_SET_URL;
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gmsg.data.set_url.url = bw->url;
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gui_window_message(bw->window, &gmsg);
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previous_safety = gui_window_set_redraw_safety(bw->window, UNSAFE);
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if (bw->current_content != NULL)
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{
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if (bw->current_content->type == CONTENT_HTML)
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{
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int gc;
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for (gc = 0; gc < bw->current_content->data.html.elements.numGadgets; gc++)
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{
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gui_remove_gadget(bw->current_content->data.html.elements.gadgets[gc]);
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}
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}
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cache_free(bw->current_content);
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}
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bw->current_content = c;
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browser_window_reformat(bw);
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gui_window_set_redraw_safety(bw->window, previous_safety);
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if (bw->current_content->status == CONTENT_DONE) {
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sprintf(status, "Page complete (%gs)", ((float) (clock() - bw->time0)) / CLOCKS_PER_SEC);
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browser_window_set_status(bw, status);
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browser_window_stop_throbber(bw);
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} else {
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browser_window_set_status(bw, bw->current_content->status_message);
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}
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}
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break;
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case FETCHCACHE_ERROR:
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browser_window_set_status(bw, error);
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browser_window_stop_throbber(bw);
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break;
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case FETCHCACHE_BADTYPE:
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sprintf(status, "Unknown type '%s'", error);
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browser_window_set_status(bw, status);
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browser_window_stop_throbber(bw);
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break;
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case FETCHCACHE_STATUS:
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browser_window_set_status(bw, error);
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break;
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default:
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assert(0);
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}
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}
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void clear_radio_gadgets(struct browser_window* bw, struct box* box, struct gui_gadget* group)
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{
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struct box* c;
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if (box == NULL)
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return;
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if (box->gadget != 0)
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{
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if (box->gadget->type == GADGET_RADIO && box->gadget->name != 0 && box->gadget != group)
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{
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if (strcmp(box->gadget->name, group->name) == 0)
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{
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if (box->gadget->data.radio.selected)
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{
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box->gadget->data.radio.selected = 0;
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gui_redraw_gadget(bw, box->gadget);
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}
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}
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}
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}
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for (c = box->children; c != 0; c = c->next)
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if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
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clear_radio_gadgets(bw, c, group);
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for (c = box->float_children; c != 0; c = c->next_float)
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clear_radio_gadgets(bw, c, group);
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}
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void gui_redraw_gadget2(struct browser_window* bw, struct box* box, struct gui_gadget* g,
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unsigned long x, unsigned long y)
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{
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struct box* c;
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if (box->gadget == g)
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{
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gui_window_redraw(bw->window, x + box->x, y + box->y, x + box->x + box->width, y+box->y + box->height);
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}
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for (c = box->children; c != 0; c = c->next)
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if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
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gui_redraw_gadget2(bw, c, g, box->x + x, box->y + y);
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for (c = box->float_children; c != 0; c = c->next_float)
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gui_redraw_gadget2(bw, c, g, box->x + x, box->y + y);
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}
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void gui_redraw_gadget(struct browser_window* bw, struct gui_gadget* g)
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{
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assert(bw->current_content->type == CONTENT_HTML);
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gui_redraw_gadget2(bw, bw->current_content->data.html.layout->children, g, 0, 0);
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}
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void browser_window_gadget_select(struct browser_window* bw, struct gui_gadget* g, int item)
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{
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struct formoption* o;
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int count;
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count = 0;
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o = g->data.select.items;
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while (o != NULL)
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{
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if (g->data.select.multiple == 0)
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o->selected = 0;
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if (count == item)
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o->selected = !(o->selected);
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o = o->next;
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count++;
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}
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gui_redraw_gadget(bw, g);
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}
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int browser_window_gadget_click(struct browser_window* bw, unsigned long click_x, unsigned long click_y)
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{
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struct box_selection* click_boxes;
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int found, plot_index;
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int i;
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found = 0;
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click_boxes = NULL;
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plot_index = 0;
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assert(bw->current_content->type == CONTENT_HTML);
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box_under_area(bw->current_content->data.html.layout->children,
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click_x, click_y, 0, 0, &click_boxes, &found, &plot_index);
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if (found == 0)
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return 0;
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for (i = found - 1; i >= 0; i--)
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{
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if (click_boxes[i].box->type == BOX_INLINE && click_boxes[i].box->gadget != 0)
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{
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struct gui_gadget* g = click_boxes[i].box->gadget;
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/* gadget clicked */
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switch (g->type)
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{
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case GADGET_SELECT:
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gui_gadget_combo(bw, g, click_x, click_y);
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break;
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case GADGET_CHECKBOX:
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g->data.checkbox.selected = !g->data.checkbox.selected;
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gui_redraw_gadget(bw, g);
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break;
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case GADGET_RADIO:
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clear_radio_gadgets(bw, bw->current_content->data.html.layout->children, g);
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g->data.radio.selected = -1;
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gui_redraw_gadget(bw, g);
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break;
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case GADGET_ACTIONBUTTON:
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/* redraw button */
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g->data.actionbutt.pressed = -1;
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gui_redraw_gadget(bw, g);
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if (stricmp(g->data.actionbutt.butttype,"submit") == 0)
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browser_form_submit(bw, g->form);
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break;
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case GADGET_TEXTAREA:
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gui_edit_textarea(bw, g);
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break;
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case GADGET_TEXTBOX:
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gui_edit_textbox(bw, g);
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break;
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case GADGET_HIDDEN:
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break;
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}
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xfree(click_boxes);
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return 1;
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}
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}
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xfree(click_boxes);
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return 0;
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}
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int browser_window_action(struct browser_window* bw, struct browser_action* act)
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{
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switch (act->type)
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{
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case act_MOUSE_AT:
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browser_window_follow_link(bw, act->data.mouse.x, act->data.mouse.y, 0);
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break;
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case act_MOUSE_CLICK:
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return browser_window_gadget_click(bw, act->data.mouse.x, act->data.mouse.y);
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break;
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case act_CLEAR_SELECTION:
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browser_window_text_selection(bw, act->data.mouse.x, act->data.mouse.y, 0);
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break;
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case act_START_NEW_SELECTION:
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browser_window_text_selection(bw, act->data.mouse.x, act->data.mouse.y, 1);
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break;
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case act_ALTER_SELECTION:
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browser_window_text_selection(bw, act->data.mouse.x, act->data.mouse.y, 2);
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break;
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case act_FOLLOW_LINK:
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browser_window_follow_link(bw, act->data.mouse.x, act->data.mouse.y, 1);
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break;
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case act_FOLLOW_LINK_NEW_WINDOW:
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browser_window_follow_link(bw, act->data.mouse.x, act->data.mouse.y, 2);
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break;
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case act_GADGET_SELECT:
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browser_window_gadget_select(bw, act->data.gadget_select.g, act->data.gadget_select.item);
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default:
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break;
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}
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return 0;
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}
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void box_under_area(struct box* box, unsigned long x, unsigned long y, unsigned long ox, unsigned long oy,
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struct box_selection** found, int* count, int* plot_index)
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{
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struct box* c;
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if (box == NULL)
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return;
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*plot_index = *plot_index + 1;
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if (x >= box->x + ox && x <= box->x + ox + box->width &&
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y >= box->y + oy && y <= box->y + oy + box->height)
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{
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*found = xrealloc(*found, sizeof(struct box_selection) * (*count + 1));
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(*found)[*count].box = box;
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(*found)[*count].actual_x = box->x + ox;
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(*found)[*count].actual_y = box->y + oy;
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(*found)[*count].plot_index = *plot_index;
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*count = *count + 1;
|
|
}
|
|
|
|
for (c = box->children; c != 0; c = c->next)
|
|
if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
|
|
box_under_area(c, x, y, box->x + ox, box->y + oy, found, count, plot_index);
|
|
|
|
for (c = box->float_children; c != 0; c = c->next_float)
|
|
box_under_area(c, x, y, box->x + ox, box->y + oy, found, count, plot_index);
|
|
|
|
return;
|
|
}
|
|
|
|
void browser_window_follow_link(struct browser_window* bw,
|
|
unsigned long click_x, unsigned long click_y, int click_type)
|
|
{
|
|
struct box_selection* click_boxes;
|
|
int found, plot_index;
|
|
int i;
|
|
int done = 0;
|
|
|
|
found = 0;
|
|
click_boxes = NULL;
|
|
plot_index = 0;
|
|
|
|
if (bw->current_content->type != CONTENT_HTML)
|
|
return;
|
|
|
|
box_under_area(bw->current_content->data.html.layout->children,
|
|
click_x, click_y, 0, 0, &click_boxes, &found, &plot_index);
|
|
|
|
if (found == 0)
|
|
return;
|
|
|
|
for (i = found - 1; i >= 0; i--)
|
|
{
|
|
if (click_boxes[i].box->href != NULL)
|
|
{
|
|
if (click_type == 1)
|
|
browser_window_open_location(bw, (char*) click_boxes[i].box->href);
|
|
else if (click_type == 2)
|
|
{
|
|
struct browser_window* bw_new;
|
|
bw_new = create_browser_window(browser_TITLE | browser_TOOLBAR
|
|
| browser_SCROLL_X_ALWAYS | browser_SCROLL_Y_ALWAYS, 640, 480);
|
|
gui_window_show(bw_new->window);
|
|
if (bw->url != NULL)
|
|
bw_new->url = xstrdup(bw->url);
|
|
browser_window_open_location(bw_new, (char*) click_boxes[i].box->href);
|
|
}
|
|
else if (click_type == 0)
|
|
{
|
|
browser_window_set_status(bw, (char*) click_boxes[i].box->href);
|
|
done = 1;
|
|
}
|
|
i = -1;
|
|
}
|
|
}
|
|
|
|
if (click_type == 0 && done == 0)
|
|
browser_window_set_status(bw, "");
|
|
|
|
free(click_boxes);
|
|
|
|
return;
|
|
}
|
|
|
|
void browser_window_text_selection(struct browser_window* bw,
|
|
unsigned long click_x, unsigned long click_y, int click_type)
|
|
{
|
|
struct box_selection* click_boxes;
|
|
int found, plot_index;
|
|
int i;
|
|
|
|
if (click_type == 0 /* click_CLEAR_SELECTION */ )
|
|
{
|
|
browser_window_clear_text_selection(bw);
|
|
return;
|
|
}
|
|
|
|
found = 0;
|
|
click_boxes = NULL;
|
|
plot_index = 0;
|
|
|
|
assert(bw->current_content->type == CONTENT_HTML);
|
|
box_under_area(bw->current_content->data.html.layout->children,
|
|
click_x, click_y, 0, 0, &click_boxes, &found, &plot_index);
|
|
|
|
if (found == 0)
|
|
return;
|
|
|
|
for (i = found - 1; i >= 0; i--)
|
|
{
|
|
if (click_boxes[i].box->type == BOX_INLINE)
|
|
{
|
|
struct box_position new_pos;
|
|
struct box_position* start;
|
|
struct box_position* end;
|
|
int click_char_offset, click_pixel_offset;
|
|
|
|
/* shortcuts */
|
|
start = &(bw->current_content->data.html.text_selection.start);
|
|
end = &(bw->current_content->data.html.text_selection.end);
|
|
|
|
if (click_boxes[i].box->font != 0)
|
|
{
|
|
font_position_in_string(click_boxes[i].box->text,
|
|
click_boxes[i].box->font, click_boxes[i].box->length,
|
|
click_x - click_boxes[i].actual_x,
|
|
&click_char_offset, &click_pixel_offset);
|
|
}
|
|
else
|
|
{
|
|
click_char_offset = 0;
|
|
click_pixel_offset = 0;
|
|
}
|
|
|
|
new_pos.box = click_boxes[i].box;
|
|
new_pos.actual_box_x = click_boxes[i].actual_x;
|
|
new_pos.actual_box_y = click_boxes[i].actual_y;
|
|
new_pos.plot_index = click_boxes[i].plot_index;
|
|
new_pos.char_offset = click_char_offset;
|
|
new_pos.pixel_offset = click_pixel_offset;
|
|
|
|
if (click_type == 1 /* click_START_SELECTION */ )
|
|
{
|
|
/* update both start and end */
|
|
browser_window_clear_text_selection(bw);
|
|
bw->current_content->data.html.text_selection.altering = alter_UNKNOWN;
|
|
bw->current_content->data.html.text_selection.selected = 1;
|
|
memcpy(start, &new_pos, sizeof(struct box_position));
|
|
memcpy(end, &new_pos, sizeof(struct box_position));
|
|
i = -1;
|
|
}
|
|
else if (bw->current_content->data.html.text_selection.selected == 1 &&
|
|
click_type == 2 /* click_ALTER_SELECTION */)
|
|
{
|
|
/* alter selection */
|
|
|
|
if (bw->current_content->data.html.text_selection.altering
|
|
!= alter_UNKNOWN)
|
|
{
|
|
if (bw->current_content->data.html.text_selection.altering
|
|
== alter_START)
|
|
{
|
|
if (box_position_gt(&new_pos,end))
|
|
{
|
|
bw->current_content->data.html.text_selection.altering
|
|
= alter_END;
|
|
browser_window_change_text_selection(bw, end, &new_pos);
|
|
}
|
|
else
|
|
browser_window_change_text_selection(bw, &new_pos, end);
|
|
}
|
|
else
|
|
{
|
|
if (box_position_lt(&new_pos,start))
|
|
{
|
|
bw->current_content->data.html.text_selection.altering
|
|
= alter_START;
|
|
browser_window_change_text_selection(bw, &new_pos, start);
|
|
}
|
|
else
|
|
browser_window_change_text_selection(bw, start, &new_pos);
|
|
}
|
|
i = -1;
|
|
}
|
|
else
|
|
{
|
|
/* work out whether the start or end is being dragged */
|
|
|
|
int click_start_distance = 0;
|
|
int click_end_distance = 0;
|
|
|
|
int inside_block = 0;
|
|
int before_start = 0;
|
|
int after_end = 0;
|
|
|
|
if (box_position_lt(&new_pos, start))
|
|
before_start = 1;
|
|
|
|
if (box_position_gt(&new_pos, end))
|
|
after_end = 1;
|
|
|
|
if (!box_position_lt(&new_pos, start)
|
|
&& !box_position_gt(&new_pos, end))
|
|
inside_block = 1;
|
|
|
|
if (inside_block == 1)
|
|
{
|
|
click_start_distance = box_position_distance(start, &new_pos);
|
|
click_end_distance = box_position_distance(end, &new_pos);
|
|
}
|
|
|
|
if (before_start == 1
|
|
|| (after_end == 0 && inside_block == 1
|
|
&& click_start_distance < click_end_distance))
|
|
{
|
|
/* alter the start position */
|
|
bw->current_content->data.html.text_selection.altering
|
|
= alter_START;
|
|
browser_window_change_text_selection(bw, &new_pos, end);
|
|
i = -1;
|
|
}
|
|
else if (after_end == 1
|
|
|| (before_start == 0 && inside_block == 1
|
|
&& click_start_distance >= click_end_distance))
|
|
{
|
|
/* alter the end position */
|
|
bw->current_content->data.html.text_selection.altering = alter_END;
|
|
browser_window_change_text_selection(bw, start, &new_pos);
|
|
i = -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
free(click_boxes);
|
|
|
|
return;
|
|
}
|
|
|
|
void browser_window_clear_text_selection(struct browser_window* bw)
|
|
{
|
|
struct box_position* old_start;
|
|
struct box_position* old_end;
|
|
|
|
assert(bw->current_content->type == CONTENT_HTML);
|
|
old_start = &(bw->current_content->data.html.text_selection.start);
|
|
old_end = &(bw->current_content->data.html.text_selection.end);
|
|
|
|
if (bw->current_content->data.html.text_selection.selected == 1)
|
|
{
|
|
bw->current_content->data.html.text_selection.selected = 0;
|
|
browser_window_redraw_boxes(bw, old_start, old_end);
|
|
}
|
|
|
|
bw->current_content->data.html.text_selection.altering = alter_UNKNOWN;
|
|
}
|
|
|
|
void browser_window_change_text_selection(struct browser_window* bw,
|
|
struct box_position* new_start, struct box_position* new_end)
|
|
{
|
|
struct box_position start;
|
|
struct box_position end;
|
|
|
|
assert(bw->current_content->type == CONTENT_HTML);
|
|
memcpy(&start, &(bw->current_content->data.html.text_selection.start), sizeof(struct box_position));
|
|
memcpy(&end, &(bw->current_content->data.html.text_selection.end), sizeof(struct box_position));
|
|
|
|
if (!box_position_eq(new_start, &start))
|
|
{
|
|
if (box_position_lt(new_start, &start))
|
|
browser_window_redraw_boxes(bw, new_start, &start);
|
|
else
|
|
browser_window_redraw_boxes(bw, &start, new_start);
|
|
memcpy(&start, new_start, sizeof(struct box_position));
|
|
}
|
|
|
|
if (!box_position_eq(new_end, &end))
|
|
{
|
|
if (box_position_lt(new_end, &end))
|
|
browser_window_redraw_boxes(bw, new_end, &end);
|
|
else
|
|
browser_window_redraw_boxes(bw, &end, new_end);
|
|
memcpy(&end, new_end, sizeof(struct box_position));
|
|
}
|
|
|
|
memcpy(&(bw->current_content->data.html.text_selection.start), &start, sizeof(struct box_position));
|
|
memcpy(&(bw->current_content->data.html.text_selection.end), &end, sizeof(struct box_position));
|
|
|
|
bw->current_content->data.html.text_selection.selected = 1;
|
|
}
|
|
|
|
|
|
int box_position_lt(struct box_position* x, struct box_position* y)
|
|
{
|
|
return (x->plot_index < y->plot_index ||
|
|
(x->plot_index == y->plot_index && x->char_offset < y->char_offset));
|
|
}
|
|
|
|
int box_position_gt(struct box_position* x, struct box_position* y)
|
|
{
|
|
return (x->plot_index > y->plot_index ||
|
|
(x->plot_index == y->plot_index && x->char_offset > y->char_offset));
|
|
}
|
|
|
|
int box_position_eq(struct box_position* x, struct box_position* y)
|
|
{
|
|
return (x->plot_index == y->plot_index && x->char_offset == y->char_offset);
|
|
}
|
|
|
|
int box_position_distance(struct box_position* x, struct box_position* y)
|
|
{
|
|
int dx = (y->actual_box_x + y->pixel_offset)
|
|
- (x->actual_box_x + x->pixel_offset);
|
|
int dy = (y->actual_box_y + y->box->height / 2)
|
|
- (x->actual_box_y + x->box->height / 2);
|
|
return dx*dx + dy*dy;
|
|
}
|
|
|
|
unsigned long redraw_min_x = LONG_MAX;
|
|
unsigned long redraw_min_y = LONG_MAX;
|
|
unsigned long redraw_max_x = 0;
|
|
unsigned long redraw_max_y = 0;
|
|
|
|
int redraw_box_list(struct browser_window* bw, struct box* current,
|
|
unsigned long x, unsigned long y, struct box_position* start,
|
|
struct box_position* end, int* plot)
|
|
{
|
|
|
|
struct box* c;
|
|
|
|
if (current == start->box)
|
|
*plot = 1;
|
|
|
|
if (*plot >= 1 && current->type == BOX_INLINE)
|
|
{
|
|
unsigned long minx = x + current->x;
|
|
unsigned long miny = y + current->y;
|
|
unsigned long maxx = x + current->x + current->width;
|
|
unsigned long maxy = y + current->y + current->height;
|
|
|
|
if (minx < redraw_min_x)
|
|
redraw_min_x = minx;
|
|
if (miny < redraw_min_y)
|
|
redraw_min_y = miny;
|
|
if (maxx > redraw_max_x)
|
|
redraw_max_x = maxx;
|
|
if (maxy > redraw_max_y)
|
|
redraw_max_y = maxy;
|
|
|
|
*plot = 2;
|
|
}
|
|
|
|
if (current == end->box)
|
|
return 1;
|
|
|
|
for (c = current->children; c != 0; c = c->next)
|
|
if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT)
|
|
if (redraw_box_list(bw, c, x + current->x, y + current->y,
|
|
start, end, plot) == 1)
|
|
return 1;
|
|
|
|
for (c = current->float_children; c != 0; c = c->next_float)
|
|
if (redraw_box_list(bw, c, x + current->x, y + current->y,
|
|
start, end, plot) == 1)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void browser_window_redraw_boxes(struct browser_window* bw, struct box_position* start, struct box_position* end)
|
|
{
|
|
int plot = 0;
|
|
|
|
assert(bw->current_content->type == CONTENT_HTML);
|
|
if (box_position_eq(start, end))
|
|
return;
|
|
|
|
redraw_min_x = LONG_MAX;
|
|
redraw_min_y = LONG_MAX;
|
|
redraw_max_x = 0;
|
|
redraw_max_y = 0;
|
|
|
|
redraw_box_list(bw, bw->current_content->data.html.layout,
|
|
0,0, start, end, &plot);
|
|
|
|
if (plot == 2)
|
|
gui_window_redraw(bw->window, redraw_min_x, redraw_min_y,
|
|
redraw_max_x, redraw_max_y);
|
|
}
|
|
|
|
|
|
void browser_form_submit(struct browser_window *bw, struct form *form)
|
|
{
|
|
/*create submission request*/
|
|
struct formsubmit* fs = (struct formsubmit*) xcalloc(1, sizeof(struct formsubmit));
|
|
fs->form = form;
|
|
/*fs->items = g;*/
|
|
LOG(("Submission request created"));
|
|
|
|
if (fs->form->method == method_GET) {
|
|
/*GET request*/
|
|
/*GET basically munges the entire form data
|
|
into one URL. */
|
|
|
|
char *url = browser_form_construct_get(&bw->current_content->data.html.elements,
|
|
fs);
|
|
|
|
LOG(("GET request"));
|
|
|
|
/*send request*/
|
|
browser_window_open_location(bw, url);
|
|
xfree(url);
|
|
|
|
} else {
|
|
/*POST request*/
|
|
assert(fs->form->method == method_POST);
|
|
|
|
LOG(("POST request - not implemented yet"));
|
|
|
|
/*POST is a standard HTTP method.
|
|
Basically, it creates a new request
|
|
and sends the form data as the request
|
|
body.*/
|
|
}
|
|
|
|
xfree(fs);
|
|
}
|
|
|
|
|
|
char* browser_form_construct_get(struct page_elements *elements, struct formsubmit* fs)
|
|
{
|
|
char *ret;
|
|
int i,j, length;
|
|
struct formoption* opt;
|
|
|
|
ret = xstrdup(fs->form->action);
|
|
length = strlen(ret);
|
|
|
|
j=0;
|
|
for (i=0;i<elements->numGadgets;i++){
|
|
if(elements->gadgets[i]->form == fs->form){
|
|
|
|
if(elements->gadgets[i]->name != 0){
|
|
char *value = 0;
|
|
|
|
switch(elements->gadgets[i]->type){
|
|
|
|
case GADGET_HIDDEN: value = elements->gadgets[i]->data.hidden.value;
|
|
break;
|
|
case GADGET_TEXTBOX: value = elements->gadgets[i]->data.textbox.text;
|
|
break;
|
|
case GADGET_RADIO: if(elements->gadgets[i]->data.radio.selected == -1)
|
|
value = elements->gadgets[i]->data.radio.value;
|
|
break;
|
|
case GADGET_CHECKBOX: if(elements->gadgets[i]->data.checkbox.selected == 1)
|
|
value = elements->gadgets[i]->data.checkbox.value;
|
|
break;
|
|
case GADGET_SELECT: opt = elements->gadgets[i]->data.select.items;
|
|
while(opt != NULL){
|
|
if(opt->selected == -1 || opt->selected == 1) {
|
|
browser_form_get_append(&ret, &length, j == 0 ? '?' : '&',
|
|
elements->gadgets[i]->name, opt->value);
|
|
j++;
|
|
}
|
|
opt = opt->next;
|
|
}
|
|
break;
|
|
case GADGET_TEXTAREA: value = elements->gadgets[i]->data.textarea.text;
|
|
break;
|
|
default: break;
|
|
}
|
|
|
|
if (value != 0) {
|
|
browser_form_get_append(&ret, &length, j == 0 ? '?' : '&',
|
|
elements->gadgets[i]->name, value);
|
|
j++;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
void browser_form_get_append(char **s, int *length, char sep, char *name, char *value)
|
|
{
|
|
unsigned int length1;
|
|
|
|
name = curl_escape(name, 0);
|
|
value = curl_escape(value, 0);
|
|
length1 = 2 + strlen(name) + strlen(value);
|
|
|
|
LOG(("append %c%s=%s, length1 %i, *s %p", sep, name, value, length1, *s));
|
|
*s = xrealloc(*s, *length + length1 + 1);
|
|
|
|
sprintf(*s + *length, "%c%s=%s", sep, name, value);
|
|
*length += length1;
|
|
|
|
curl_free(name);
|
|
curl_free(value);
|
|
}
|
|
|