netsurf/atari/search.c

265 lines
7.2 KiB
C
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#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include <windom.h>
#include "desktop/gui.h"
#include "desktop/browser.h"
#include "desktop/search.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "atari/gui.h"
#include "atari/misc.h"
#include "atari/search.h"
#include "atari/res/netsurf.rsh"
extern struct gui_window * input_window;
extern void * h_gem_rsrc;
static SEARCH_FORM_SESSION current;
static void nsatari_search_set_status(bool found, void *p);
static void nsatari_search_set_hourglass(bool active, void *p);
static void nsatari_search_add_recent(const char *string, void *p);
void nsatari_search_set_forward_state(bool active, void *p);
void nsatari_search_set_back_state(bool active, void *p);
static struct search_callbacks nsatari_search_callbacks = {
nsatari_search_set_forward_state,
nsatari_search_set_back_state,
nsatari_search_set_status,
nsatari_search_set_hourglass,
nsatari_search_add_recent
};
/**
* Change the displayed search status.
* \param found search pattern matched in text
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_status(bool found, void *p)
{
LOG(("%p set status: %d\n", p, found));
}
/**
* display hourglass while searching
* \param active start/stop indicator
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_hourglass(bool active, void *p)
{
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
if( active )
gui_window_set_pointer(s->bw->window, GUI_POINTER_PROGRESS);
else
gui_window_set_pointer(s->bw->window, GUI_POINTER_DEFAULT);
}
/**
* add search string to recent searches list
* front is at liberty how to implement the bare notification
* should normally store a strdup() of the string;
* core gives no guarantee of the integrity of the const char *
* \param string search pattern
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_add_recent(const char *string, void *p)
{
LOG(("%p add recent: %s\n", p, string));
}
/**
* activate search forwards button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_forward_state(bool active, void *p)
{
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
/* deactivate back cb */
LOG(("%p: set forward state: %d\n", p, active));
}
/**
* activate search back button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_back_state(bool active, void *p)
{
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
/* deactivate back cb */
LOG(("%p: set back state: %d\n", p, active));
}
static SEARCH_FORM_SESSION get_search_session(WINDOW * win)
{
return (current);
}
static void destroy_search_session( SEARCH_FORM_SESSION s )
{
free( s );
}
static int apply_form( WINDOW * win, struct s_search_form_state * s )
{
OBJECT * obj = ObjcTree(OC_FORM, win );
if( obj == NULL ){
goto error;
}
s->flags = 0;
if( (obj[SEARCH_CB_FWD].ob_state & SELECTED) != 0 )
s->flags = SEARCH_FLAG_FORWARDS;
if( (obj[SEARCH_CB_CASESENSE].ob_state & SELECTED) != 0 )
s->flags |= SEARCH_FLAG_CASE_SENSITIVE;
if( (obj[SEARCH_CB_SHOWALL].ob_state & SELECTED) != 0 )
s->flags |= SEARCH_FLAG_SHOWALL;
char * cstr = ObjcString( obj, SEARCH_TB_SRCH, NULL );
if( cstr != NULL ) {
strncpy((char*)&s->text[0], cstr, 31 );
}
return ( 0 );
error:
s->flags = SEARCH_FLAG_FORWARDS;
/* s->forward = true; */
strncpy((char*)&s->text[0], "", 31 );
return( 1 );
}
/* checks if search parameters changes */
static bool form_changed( WINDOW * w )
{
bool check;
struct s_search_form_state cur;
SEARCH_FORM_SESSION s = get_search_session(w);
if( s == NULL )
return false;
OBJECT * obj = ObjcTree(OC_FORM, w);
assert( s != NULL && obj != NULL );
uint32_t flags_old = s->state.flags;
apply_form(w, &cur);
/* adjust the forward flag, it should not init an new search */
flags_old |= SEARCH_FLAG_FORWARDS;
cur.flags |= SEARCH_FLAG_FORWARDS;
if( cur.flags != flags_old ){
return( true );
}
char * cstr = ObjcString( obj, SEARCH_TB_SRCH, NULL );
if( cstr != NULL ){
if( strcmp(cstr, (char*)&s->state.text) != 0 ) {
return ( true );
}
}
return( false );
}
static void __CDECL evnt_bt_srch_click( WINDOW *win, int index, int unused, void *unused2)
{
bool fwd;
SEARCH_FORM_SESSION s = get_search_session(win);
OBJECT * obj = ObjcTree(OC_FORM, s->formwind );
search_flags_t flags = 0;
ObjcChange( OC_FORM, win, index, ~SELECTED , TRUE);
if( s->bw->search_context == NULL || form_changed(win) ){
if( s->bw->search_context != NULL ) {
search_destroy_context(s->bw->search_context);
s->bw->search_context = NULL;
}
apply_form( win, &s->state );
} else {
/* get search direction manually: */
if( (obj[SEARCH_CB_FWD].ob_state & SELECTED) != 0 )
s->state.flags |= SEARCH_FLAG_FORWARDS;
else
s->state.flags &= (~SEARCH_FLAG_FORWARDS);
}
if( search_verify_new(s->bw, &nsatari_search_callbacks, s) ){
search_step(s->bw->search_context, s->state.flags, ObjcString( obj, SEARCH_TB_SRCH, NULL ) );
}
}
static void __CDECL evnt_cb_click( WINDOW *win, int index, int unused, void *unused2)
{
short newstate;
OBJECT * obj = ObjcTree(OC_FORM, get_search_session(win)->formwind );
}
static void __CDECL evnt_close( WINDOW *win, short buff[8])
{
/* Free Search Contexts */
SEARCH_FORM_SESSION s = get_search_session(win);
if( s != NULL ){
destroy_search_session( s );
}
current = NULL;
ApplWrite( _AESapid, WM_DESTROY, win->handle, 0,0,0,0 );
}
void search_destroy( struct gui_window * gw )
{
if( current != NULL ){
ApplWrite( _AESapid, WM_CLOSED, current->formwind->handle, 0,0,0,0);
/* Handle Close event */
EvntWindom( MU_MESAG );
/* Handle Destroy Event */
EvntWindom( MU_MESAG );
}
}
SEARCH_FORM_SESSION open_browser_search( struct gui_window * gw )
{
char * title;
SEARCH_FORM_SESSION sfs;
OBJECT * tree = get_tree(SEARCH);
if( tree == NULL ){
return( NULL );
}
sfs = calloc(1, sizeof(struct s_search_form_session));
if( sfs == NULL )
return( NULL );
title = (char*)messages_get("FindTextNS");
if( title == NULL )
title = (char*)"Find text ...";
search_destroy( gw );
current = sfs;
sfs->bw = gw->browser->bw;
sfs->formwind = mt_FormCreate( &app, tree, WAT_FORM,
NULL, title,
NULL, true, false);
ObjcAttachFormFunc( sfs->formwind, SEARCH_BT_SEARCH, evnt_bt_srch_click, NULL);
ObjcAttachFormFunc( sfs->formwind, SEARCH_CB_CASESENSE, evnt_cb_click, NULL);
ObjcAttachFormFunc( sfs->formwind, SEARCH_CB_SHOWALL, evnt_cb_click, NULL);
ObjcAttachFormFunc( sfs->formwind, SEARCH_CB_FWD, evnt_cb_click, NULL);
EvntAdd( sfs->formwind, WM_CLOSED, evnt_close, EV_TOP);
apply_form(sfs->formwind, &sfs->state );
strncpy( ObjcString( tree, SEARCH_TB_SRCH, NULL ), "", SEARCH_MAX_SLEN);
return( current );
}