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/*
* components.c
*
* This file is a part of NSIS.
*
* Copyright (C) 1999-2025 Nullsoft and Contributors
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*
* Reviewed for Unicode support by Jim Park -- 08/22/2007
*/
#include "../Platform.h"
#include "config.h"
#include "ui.h"
#include "fileform.h"
void NSISCALL SectionFlagsChanged(unsigned int index) {
section *sections = g_sections;
int flags = sections[index].flags;
if (flags & SF_SECGRP) {
unsigned int i = index + 1;
unsigned int level = 0;
for (; i < (unsigned int) num_sections; i++) {
if (sections[i].flags & SF_SECGRP) {
level++;
continue;
}
if (sections[i].flags & SF_SECGRPEND) {
if (level-- == 0) {
break;
}
continue;
}
if ((sections[i].flags & SF_RO) == 0) {
sections[i].flags &= ~SF_SELECTED;
sections[i].flags |= (flags & SF_SELECTED);
}
}
}
}
unsigned int NSISCALL _RefreshSectionGroups(unsigned int i, int not_first_call) {
unsigned int selected = 0;
unsigned int not_selected = 0;
section *sections = g_sections;
section *sec = §ions[i];
if (sec->flags & SF_SECGRP) {
if (not_first_call) {
sec->flags &= ~(SF_SELECTED | SF_PSELECTED);
i++;
}
}
while (i < (unsigned int) num_sections) {
int flags = sections[i].flags;
int ni = i + 1;
if (flags & SF_SECGRP) {
ni = _RefreshSectionGroups(i, 1);
flags = sections[i].flags;
}
if (flags & SF_SECGRPEND) {
if (selected) {
if (not_selected) {
sec->flags |= SF_PSELECTED;
} else {
sec->flags |= SF_SELECTED;
sec->flags &= ~SF_TOGGLED;
}
}
return ni;
}
if (flags & SF_PSELECTED) {
selected++;
}
if (flags & SF_SELECTED) {
selected++;
} else {
not_selected++;
}
i = ni;
}
return 0;
}
#ifdef NSIS_CONFIG_COMPONENTPAGE
void NSISCALL SetInstType(int inst_type) {
unsigned int i = 0;
section *sections = g_sections;
if ((unsigned int) inst_type >= NSIS_MAX_INST_TYPES) {
return;
}
for (; i < (unsigned int) num_sections; i++) {
if (sections[i].flags & (SF_SECGRP | SF_SECGRPEND)) {
continue;
}
if (sections[i].install_types & (1 << inst_type)) {
sections[i].flags |= SF_SELECTED;
} else {
sections[i].flags &= ~SF_SELECTED;
}
}
}
unsigned int NSISCALL GetInstType(HTREEITEM *items) {
unsigned int i, j;
section *sections = g_sections;
for (i = 0; i < NSIS_MAX_INST_TYPES; i++) {
if (!g_header->install_types[i]) {
continue;
}
for (j = 0; j < (unsigned int) num_sections; j++) {
if (sections[j].flags & (SF_SECGRP | SF_SECGRPEND)) {
continue;
}
if (items && !items[j]) {
continue;
}
if ((sections[j].install_types & (1 << i)) == ((sections[j].flags & SF_SELECTED) << i)) {
continue;
} else {
break;
}
}
if (j == (unsigned int) num_sections) {
break;
}
}
return i;
}
#endif//NSIS_CONFIG_COMPONENTPAGE
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