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netsurf/amiga/search.c

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/*
* Copyright 2004 John M Bell <jmb202@ecs.soton.ac.uk>
* Copyright 2005 Adrian Lees <adrianl@users.sourceforge.net>
* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Free text search (implementation)
*/
#include "utils/config.h"
#include <ctype.h>
#include <string.h>
#include "content/content.h"
#include "desktop/browser.h"
#include "desktop/gui.h"
#include "desktop/search.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/utils.h"
#include "amiga/os3support.h"
#include "amiga/search.h"
#include "amiga/object.h"
#include "amiga/theme.h"
#include <proto/intuition.h>
#include <proto/exec.h>
#include <proto/window.h>
#include <proto/layout.h>
#include <proto/string.h>
#include <proto/button.h>
#include <proto/label.h>
#include <proto/checkbox.h>
#include <classes/window.h>
#include <gadgets/layout.h>
#include <gadgets/string.h>
#include <gadgets/button.h>
#include <gadgets/checkbox.h>
#include <images/label.h>
#include <reaction/reaction_macros.h>
#ifndef NOF_ELEMENTS
#define NOF_ELEMENTS(array) (sizeof(array)/sizeof(*(array)))
#endif
static bool search_insert;
static struct find_window *fwin = NULL;
search_flags_t ami_search_flags(void);
char *ami_search_string(void);
static void ami_search_set_status(bool found, void *p);
static void ami_search_set_hourglass(bool active, void *p);
static void ami_search_add_recent(const char *string, void *p);
static void ami_search_set_forward_state(bool active, void *p);
static void ami_search_set_back_state(bool active, void *p);
static struct gui_search_callbacks ami_search_callbacks = {
ami_search_set_forward_state,
ami_search_set_back_state,
ami_search_set_status,
ami_search_set_hourglass,
ami_search_add_recent
};
/**
* Change the displayed search status.
*
* \param found search pattern matched in text
*/
void ami_search_open(struct gui_window *gwin)
{
search_insert = true;
if(fwin)
{
browser_window_search_clear(fwin->gwin->shared->bw);
ami_search_set_forward_state(true, NULL);
ami_search_set_back_state(true, NULL);
fwin->gwin->shared->searchwin = NULL;
fwin->gwin = gwin;
gwin->shared->searchwin = fwin;
WindowToFront(fwin->win);
ActivateWindow(fwin->win);
return;
}
fwin = AllocVecTags(sizeof(struct find_window), AVT_ClearWithValue, 0, TAG_DONE);
fwin->objects[OID_MAIN] = WindowObject,
WA_ScreenTitle,nsscreentitle,
WA_Title,messages_get("FindTextNS"),
WA_Activate, TRUE,
WA_DepthGadget, TRUE,
WA_DragBar, TRUE,
WA_CloseGadget, TRUE,
WA_SizeGadget, TRUE,
WA_PubScreen,scrn,
WINDOW_SharedPort,sport,
WINDOW_UserData,fwin,
WINDOW_IconifyGadget, FALSE,
WINDOW_LockHeight,TRUE,
WINDOW_Position, WPOS_CENTERSCREEN,
WINDOW_ParentGroup, fwin->objects[GID_MAIN] = VGroupObject,
LAYOUT_AddChild, fwin->objects[GID_SEARCHSTRING] = StringObject,
GA_ID,GID_SEARCHSTRING,
GA_TabCycle,TRUE,
GA_RelVerify,TRUE,
StringEnd,
/*
CHILD_Label, LabelObject,
LABEL_Text,messages_get("searchstring"),
LabelEnd,
*/
CHILD_WeightedHeight,0,
LAYOUT_AddChild, fwin->objects[GID_CASE] = CheckBoxObject,
GA_ID,GID_CASE,
GA_Text,messages_get("CaseSens"),
GA_Selected,FALSE,
GA_TabCycle,TRUE,
GA_RelVerify,TRUE,
CheckBoxEnd,
LAYOUT_AddChild, fwin->objects[GID_SHOWALL] = CheckBoxObject,
GA_ID,GID_SHOWALL,
GA_Text,messages_get("ShowAll"),
GA_Selected,FALSE,
GA_TabCycle,TRUE,
GA_RelVerify,TRUE,
CheckBoxEnd,
LAYOUT_AddChild, HGroupObject,
LAYOUT_AddChild, fwin->objects[GID_PREV] = ButtonObject,
GA_ID,GID_PREV,
GA_RelVerify,TRUE,
GA_Text,messages_get("Prev"),
GA_TabCycle,TRUE,
GA_Disabled,TRUE,
ButtonEnd,
CHILD_WeightedHeight,0,
LAYOUT_AddChild, fwin->objects[GID_NEXT] = ButtonObject,
GA_ID,GID_NEXT,
GA_RelVerify,TRUE,
GA_Text,messages_get("Next"),
GA_TabCycle,TRUE,
GA_Disabled,TRUE,
ButtonEnd,
LayoutEnd,
CHILD_WeightedHeight,0,
EndGroup,
EndWindow;
fwin->win = (struct Window *)RA_OpenWindow(fwin->objects[OID_MAIN]);
fwin->gwin = gwin;
fwin->node = AddObject(window_list,AMINS_FINDWINDOW);
fwin->node->objstruct = fwin;
gwin->shared->searchwin = fwin;
ActivateLayoutGadget((struct Gadget *)fwin->objects[GID_MAIN], fwin->win,
NULL, fwin->objects[GID_SEARCHSTRING]);
}
void ami_search_close(void)
{
browser_window_search_clear(fwin->gwin->shared->bw);
ami_search_set_forward_state(true, NULL);
ami_search_set_back_state(true, NULL);
fwin->gwin->shared->searchwin = NULL;
DisposeObject(fwin->objects[OID_MAIN]);
DelObject(fwin->node);
fwin=NULL;
}
BOOL ami_search_event(void)
{
/* return TRUE if window destroyed */
ULONG class,result,relevent = 0;
ULONG column;
uint16 code;
search_flags_t flags;
while((result = RA_HandleInput(fwin->objects[OID_MAIN],&code)) != WMHI_LASTMSG)
{
switch(result & WMHI_CLASSMASK) // class
{
case WMHI_GADGETUP:
switch(result & WMHI_GADGETMASK)
{
case GID_SEARCHSTRING:
browser_window_search_clear(
fwin->gwin->shared->bw);
ami_search_set_forward_state(
true, NULL);
ami_search_set_back_state(
true, NULL);
RefreshSetGadgetAttrs((struct Gadget *)fwin->objects[GID_PREV],
fwin->win, NULL,
GA_Disabled, FALSE,
TAG_DONE);
RefreshSetGadgetAttrs((struct Gadget *)fwin->objects[GID_NEXT],
fwin->win, NULL,
GA_Disabled, FALSE,
TAG_DONE);
/* fall through */
case GID_NEXT:
search_insert = true;
flags = SEARCH_FLAG_FORWARDS |
ami_search_flags();
browser_window_search(
fwin->gwin->shared->bw,
&ami_search_callbacks, NULL,
flags, ami_search_string());
ActivateWindow(fwin->gwin->shared->win);
break;
case GID_PREV:
search_insert = true;
flags = ~SEARCH_FLAG_FORWARDS &
ami_search_flags();
browser_window_search(
fwin->gwin->shared->bw,
&ami_search_callbacks, NULL,
flags, ami_search_string());
ActivateWindow(fwin->gwin->shared->win);
break;
}
break;
case WMHI_CLOSEWINDOW:
ami_search_close();
return TRUE;
break;
}
}
return FALSE;
}
/**
* 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 ami_search_set_status(bool found, void *p)
{
}
/**
* display hourglass while searching
* \param active start/stop indicator
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void ami_search_set_hourglass(bool active, void *p)
{
if(active)
ami_update_pointer(fwin->win, GUI_POINTER_WAIT);
else
ami_update_pointer(fwin->win, GUI_POINTER_DEFAULT);
}
/**
* retrieve string being searched for from gui
*/
char *ami_search_string(void)
{
char *text;
GetAttr(STRINGA_TextVal,fwin->objects[GID_SEARCHSTRING],(ULONG *)&text);
return text;
}
/**
* 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 ami_search_add_recent(const char *string, void *p)
{
}
/**
* activate search forwards button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void ami_search_set_forward_state(bool active, void *p)
{
RefreshSetGadgetAttrs((struct Gadget *)fwin->objects[GID_NEXT],
fwin->win, NULL,
GA_Disabled, active ? FALSE : TRUE, TAG_DONE);
}
/**
* activate search forwards button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void ami_search_set_back_state(bool active, void *p)
{
RefreshSetGadgetAttrs((struct Gadget *)fwin->objects[GID_PREV],
fwin->win, NULL,
GA_Disabled, active ? FALSE : TRUE, TAG_DONE);
}
/**
* retrieve state of 'case sensitive', 'show all' checks in gui
*/
search_flags_t ami_search_flags(void)
{
ULONG case_sensitive, showall;
search_flags_t flags;
GetAttr(GA_Selected,fwin->objects[GID_CASE],(ULONG *)&case_sensitive);
GetAttr(GA_Selected,fwin->objects[GID_SHOWALL],(ULONG *)&showall);
flags = 0 | (case_sensitive ? SEARCH_FLAG_CASE_SENSITIVE : 0) |
(showall ? SEARCH_FLAG_SHOWALL : 0);
return flags;
}
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