mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 07:19:37 +03:00
[project @ 2004-08-05 22:03:56 by jmb]
Tidy up and bugfix search implementation svn path=/import/netsurf/; revision=1183
This commit is contained in:
John Mark Bell
parent
4f3691d183
commit
f3bef9fdcb
@ -346,8 +346,11 @@ void ro_gui_dialog_close_persistant(wimp_w parent) {
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bool ro_gui_dialog_keypress(wimp_key *key)
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{
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wimp_pointer pointer;
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int i;
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#ifdef WITH_SEARCH
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if (key->w == dialog_search)
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return ro_gui_search_keypress(key);
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#endif
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if (key->c == wimp_KEY_ESCAPE) {
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ro_gui_dialog_close(key->w);
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return true;
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@ -361,25 +364,12 @@ bool ro_gui_dialog_keypress(wimp_key *key)
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ro_gui_hotlist_dialog_click(&pointer);
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return true;
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}
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else if (key->w == dialog_search) {
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pointer.w = key->w;
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pointer.i = ICON_SEARCH_FIND;
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pointer.buttons = wimp_CLICK_SELECT;
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for (i = 0; i < MAX_PERSISTANT; i++) {
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if (persistant_dialog[i].dialog ==
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dialog_search) {
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ro_gui_search_click(&pointer,
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persistant_dialog[i].parent);
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break;
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}
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}
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return true;
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}
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}
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#ifdef WITH_AUTH
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if (key->w == dialog_401li)
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return ro_gui_401login_keypress(key);
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#endif
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return false;
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}
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@ -390,8 +380,6 @@ bool ro_gui_dialog_keypress(wimp_key *key)
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void ro_gui_dialog_click(wimp_pointer *pointer)
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{
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int i;
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if (pointer->buttons == wimp_CLICK_MENU)
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return;
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@ -415,15 +403,8 @@ void ro_gui_dialog_click(wimp_pointer *pointer)
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ro_gui_dialog_click_warning(pointer);
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else if ((pointer->w == dialog_folder) || (pointer->w == dialog_entry))
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ro_gui_hotlist_dialog_click(pointer);
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else if (pointer->w == dialog_search) {
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for (i = 0; i < MAX_PERSISTANT; i++) {
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if (persistant_dialog[i].dialog == dialog_search) {
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ro_gui_search_click(pointer,
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persistant_dialog[i].parent);
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break;
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}
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}
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}
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else if (pointer->w == dialog_search)
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ro_gui_search_click(pointer);
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}
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@ -239,8 +239,9 @@ void ro_gui_debugwin_close(void);
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void ro_gui_debugwin_redraw(wimp_draw *redraw);
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/* in search.c */
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void ro_gui_search_click(wimp_pointer *pointer, wimp_w parent);
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void ro_gui_search_prepare(void);
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void ro_gui_search_open(struct gui_window *g, int x, int y, bool sub_menu, bool keypress);
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void ro_gui_search_click(wimp_pointer *pointer);
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bool ro_gui_search_keypress(wimp_key *key);
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/* toolbar types */
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#define TOOLBAR_BROWSER 0
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255
riscos/search.c
255
riscos/search.c
@ -5,6 +5,10 @@
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* Copyright 2004 John M Bell <jmb202@ecs.soton.ac.uk>
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*/
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/** \file
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* Free text search (implementation)
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*/
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#include <string.h>
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#include "oslib/wimp.h"
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@ -29,30 +33,71 @@ struct list_entry {
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struct list_entry *next;
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};
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static char *search_string = 0;
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static struct list_entry head = { 0, 0, 0 };
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static struct list_entry *found = &head;
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static struct list_entry *current = 0;
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static struct gui_window *w = 0;
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static bool prev_from_top = false;
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static bool prev_case_sens = false;
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static struct gui_window *search_current_window = 0;
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static void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens, bool forwards);
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static char *search_string = 0;
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static struct list_entry search_head = { 0, 0, 0 };
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static struct list_entry *search_found = &search_head;
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static struct list_entry *search_current = 0;
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static struct gui_window *search_w = 0;
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static bool search_prev_from_top = false;
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static bool search_prev_case_sens = false;
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static void start_search(void);
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static void end_search(void);
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static void do_search(char *string, bool from_top, bool case_sens, bool forwards);
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static bool find_occurrences(char *string, struct box *cur, bool case_sens);
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static char * strcasestr(char *s1, char *s2);
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/**
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* Open the search dialog
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*
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* \param g the gui window to search
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* \param x x position, for sub_menu true only
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* \param y y position, for sub_menu true only
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* \param sub_menu open as a sub_menu, otherwise persistent
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* \param keypress whether opened by a keypress or not
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*/
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void ro_gui_search_open(struct gui_window *g, int x, int y, bool sub_menu, bool keypress)
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{
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os_error *e;
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assert(g != NULL);
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search_current_window = g;
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ro_gui_set_icon_string(dialog_search, ICON_SEARCH_TEXT, "");
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_FORWARDS,
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true);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_BACKWARDS,
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false);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_START,
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false);
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ro_gui_set_icon_selected_state(dialog_search,
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ICON_SEARCH_CASE_SENSITIVE, false);
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if (sub_menu) {
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e = xwimp_create_sub_menu((wimp_menu *) dialog_search, x, y);
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if (e) {
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LOG(("xwimp_create_sub_menu: 0x%x: %s",
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e->errnum, e->errmess));
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warn_user("MenuError", e->errmess);
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}
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}
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else {
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ro_gui_dialog_open_persistant(g->window, dialog_search, !keypress);
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}
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}
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/**
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* Handle clicks in the search dialog
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*
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* \param pointer wimp_pointer block
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* \param parent The parent window of this persistent dialog
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*/
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void ro_gui_search_click(wimp_pointer *pointer, wimp_w parent)
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void ro_gui_search_click(wimp_pointer *pointer)
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{
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struct gui_window *g;
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char *string;
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if (pointer->buttons == wimp_CLICK_MENU)
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return;
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@ -65,52 +110,115 @@ void ro_gui_search_click(wimp_pointer *pointer, wimp_w parent)
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pointer->i, true);
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break;
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case ICON_SEARCH_FIND:
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g = ro_gui_window_lookup(parent);
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string = ro_gui_get_icon_string(pointer->w,
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ICON_SEARCH_TEXT);
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if (!g || strlen(string) == 0)
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return;
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do_search(g, string,
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ro_gui_get_icon_selected_state(pointer->w,
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ICON_SEARCH_START),
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ro_gui_get_icon_selected_state(pointer->w,
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ICON_SEARCH_CASE_SENSITIVE),
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ro_gui_get_icon_selected_state(pointer->w,
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ICON_SEARCH_FORWARDS));
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start_search();
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break;
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case ICON_SEARCH_CANCEL:
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ro_gui_dialog_close(dialog_search);
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end_search();
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break;
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}
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}
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/**
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* Prepare the search dialog for display
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* Handle keypresses in the search dialog
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*
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* \param key wimp_key block
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* \return true if keypress handled, false otherwise
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*/
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void ro_gui_search_prepare(void)
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bool ro_gui_search_keypress(wimp_key *key)
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{
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ro_gui_set_icon_string(dialog_search, ICON_SEARCH_TEXT, "");
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_FORWARDS,
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true);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_BACKWARDS,
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false);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_START,
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false);
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ro_gui_set_icon_selected_state(dialog_search,
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ICON_SEARCH_CASE_SENSITIVE, false);
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bool state;
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switch (key->c) {
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case 2: /* ctrl b */
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_FORWARDS, false);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_BACKWARDS, true);
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return true;
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case 6: /* ctrl f */
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_FORWARDS, true);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_BACKWARDS, false);
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return true;
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case 9: /* ctrl i */
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state = ro_gui_get_icon_selected_state(dialog_search, ICON_SEARCH_CASE_SENSITIVE);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_CASE_SENSITIVE, !state);
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return true;
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case 19: /* ctrl s */
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state = ro_gui_get_icon_selected_state(dialog_search, ICON_SEARCH_START);
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ro_gui_set_icon_selected_state(dialog_search, ICON_SEARCH_START, !state);
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return true;
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case wimp_KEY_RETURN:
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start_search();
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return true;
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case wimp_KEY_ESCAPE:
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end_search();
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return true;
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}
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return false;
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}
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/**
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* Begins the search process
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*/
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void start_search(void)
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{
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char *string;
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string = ro_gui_get_icon_string(dialog_search, ICON_SEARCH_TEXT);
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if (strlen(string) == 0)
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return;
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do_search(string,
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ro_gui_get_icon_selected_state(dialog_search,
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ICON_SEARCH_START),
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ro_gui_get_icon_selected_state(dialog_search,
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ICON_SEARCH_CASE_SENSITIVE),
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ro_gui_get_icon_selected_state(dialog_search,
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ICON_SEARCH_FORWARDS));
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}
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/**
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* Ends the search process, invalidating all global state and
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* freeing the list of found boxes
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*/
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void end_search(void)
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{
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struct list_entry *a, *b;
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search_current_window = 0;
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if (search_string)
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free(search_string);
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search_string = 0;
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for (a = search_found->next; a; a = b) {
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b = a->next;
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free(a);
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}
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search_found->prev = 0;
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search_found->next = 0;
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search_current = 0;
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search_w = 0;
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search_prev_from_top = false;
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search_prev_case_sens = false;
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/* and close the window */
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xwimp_create_menu((wimp_menu *)-1, 0, 0);
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ro_gui_dialog_close(dialog_search);
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}
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/**
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* Search for a string in the box tree
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*
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* \param g gui_window which contains content to search
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* \param string the string to search for
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* \param from_top whether to display results from the top of the page, or
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* the current scroll position
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* \param case_sens whether to perform a case sensitive search
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* \param forwards direction to search in
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*/
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void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens, bool forwards)
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void do_search(char *string, bool from_top, bool case_sens, bool forwards)
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{
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struct content *c;
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struct box *box;
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@ -118,10 +226,10 @@ void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens
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int x,y;
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bool new = false;
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if (!g)
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if (!search_current_window)
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return;
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c = g->bw->current_content;
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c = search_current_window->bw->current_content;
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/* only handle html contents */
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if (c->type != CONTENT_HTML)
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@ -135,43 +243,45 @@ void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens
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// LOG(("'%s' - '%s' (%p, %p) %p (%d, %d) (%d, %d) %d", search_string, string, w, g, found->next, prev_from_top, from_top, prev_case_sens, case_sens, forwards));
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/* check if we need to start a new search or continue an old one */
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if (!search_string || !w || g != w || !found->next ||
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prev_from_top != from_top || prev_case_sens != case_sens ||
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if (!search_string || !search_w ||
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search_current_window != search_w || !search_found->next ||
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search_prev_from_top != from_top ||
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search_prev_case_sens != case_sens ||
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(case_sens && strcmp(string, search_string) != 0) ||
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(!case_sens && strcasecmp(string, search_string) != 0)) {
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if (search_string)
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free(search_string);
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search_string = strdup(string);
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current = 0;
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for (a = found->next; a; a = b) {
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search_current = 0;
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for (a = search_found->next; a; a = b) {
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b = a->next;
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free(a);
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}
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found->prev = 0;
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found->next = 0;
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search_found->prev = 0;
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search_found->next = 0;
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if (!find_occurrences(string, box, case_sens)) {
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for (a = found->next; a; a = b) {
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for (a = search_found->next; a; a = b) {
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b = a->next;
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free(a);
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}
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found->prev = 0;
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found->next = 0;
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search_found->prev = 0;
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search_found->next = 0;
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return;
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}
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new = true;
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w = g;
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prev_from_top = from_top;
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prev_case_sens = case_sens;
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search_w = search_current_window;
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search_prev_from_top = from_top;
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search_prev_case_sens = case_sens;
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}
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// LOG(("%d %p %p (%p, %p)", new, found->next, current, current->prev, current->next));
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if (!found->next)
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if (!search_found->next)
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return;
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if (new && from_top) {
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/* new search, beginning at the top of the page */
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current = found->next;
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search_current = search_found->next;
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}
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else if (new) {
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/* new search, beginning from user's current scroll
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@ -179,7 +289,7 @@ void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens
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wimp_window_state state;
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os_error *error;
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state.w = g->window;
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state.w = search_current_window->window;
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error = xwimp_get_window_state(&state);
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if (error) {
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LOG(("xwimp_get_window_state: 0x%x: %s",
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@ -188,7 +298,7 @@ void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens
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return;
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}
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for (a = found->next; a; a = a->next) {
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for (a = search_found->next; a; a = a->next) {
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box_coords(a->box, &x, &y);
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LOG(("%d, %d", y, state.yscroll / 2));
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if (forwards && -y <= state.yscroll / 2)
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@ -198,27 +308,27 @@ void do_search(struct gui_window *g, char *string, bool from_top, bool case_sens
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}
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if (a)
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current = a;
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search_current = a;
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else
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return;
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}
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else {
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/* continued search in the direction specified */
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if (forwards && current && current->next) {
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current = current->next;
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if (forwards && search_current && search_current->next) {
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search_current = search_current->next;
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}
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else if (!forwards && current && current->prev) {
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current = current->prev;
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else if (!forwards && search_current && search_current->prev) {
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search_current = search_current->prev;
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}
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}
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if (!current)
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if (!search_current)
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return;
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/* get box position and jump to it */
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box_coords(current->box, &x, &y);
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box_coords(search_current->box, &x, &y);
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// LOG(("%p (%d, %d)", current, x, y));
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gui_window_set_scroll(g, x, y);
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gui_window_set_scroll(search_current_window, x, y);
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}
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@ -253,24 +363,17 @@ bool find_occurrences(char *string, struct box *cur, bool case_sens)
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}
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entry->box = cur;
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entry->next = 0;
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entry->prev = found->prev;
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if (!found->prev)
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found->next = entry;
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entry->prev = search_found->prev;
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if (!search_found->prev)
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search_found->next = entry;
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else
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||||
found->prev->next = entry;
|
||||
found->prev = entry;
|
||||
search_found->prev->next = entry;
|
||||
search_found->prev = entry;
|
||||
}
|
||||
}
|
||||
|
||||
/* and recurse */
|
||||
for (a = cur->children; a; a = a->next) {
|
||||
if (a->type != BOX_FLOAT_LEFT && a->type != BOX_FLOAT_RIGHT)
|
||||
if (!find_occurrences(string, a, case_sens))
|
||||
return false;
|
||||
}
|
||||
|
||||
for (a = cur->float_children; a; a = a->next_float) {
|
||||
if (a->type != BOX_FLOAT_LEFT && a->type != BOX_FLOAT_RIGHT)
|
||||
if (!find_occurrences(string, a, case_sens))
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -1266,8 +1266,7 @@ bool ro_gui_window_keypress(struct gui_window *g, int key, bool toolbar)
|
||||
return true;
|
||||
|
||||
case wimp_KEY_F4: /* Search */
|
||||
ro_gui_search_prepare();
|
||||
ro_gui_dialog_open_persistant(g->window, dialog_search, false);
|
||||
ro_gui_search_open(g, 0, 0, false, true);
|
||||
return true;
|
||||
|
||||
case wimp_KEY_F5: /* Refresh. */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user