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/*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup edinterface
*/
#include "BLI_listbase.h"
#include "MEM_guardedalloc.h"
#include "interface_intern.h"
/* -------------------------------------------------------------------- */
/** \name Button Groups
* \{ */
/**
* Every function that adds a set of buttons must create another group,
* then #ui_def_but adds buttons to the current group (the last).
*/
void ui_block_new_button_group(uiBlock *block, uiButtonGroupFlag flag)
{
/* Don't create a new group if there is a "lock" on new groups. */
if (!BLI_listbase_is_empty(&block->button_groups)) {
uiButtonGroup *last_button_group = block->button_groups.last;
if (last_button_group->flag & UI_BUTTON_GROUP_LOCK) {
return;
}
}
uiButtonGroup *new_group = MEM_mallocN(sizeof(uiButtonGroup), __func__);
BLI_listbase_clear(&new_group->buttons);
new_group->flag = flag;
BLI_addtail(&block->button_groups, new_group);
}
void ui_button_group_add_but(uiBlock *block, uiBut *but)
{
if (BLI_listbase_is_empty(&block->button_groups)) {
ui_block_new_button_group(block, 0);
}
uiButtonGroup *current_button_group = block->button_groups.last;
/* We can't use the button directly because adding it to
* this list would mess with its `prev` and `next` pointers. */
LinkData *button_link = BLI_genericNodeN(but);
BLI_addtail(¤t_button_group->buttons, button_link);
}
static void button_group_free(uiButtonGroup *button_group)
{
BLI_freelistN(&button_group->buttons);
MEM_freeN(button_group);
}
void ui_block_free_button_groups(uiBlock *block)
{
LISTBASE_FOREACH_MUTABLE (uiButtonGroup *, button_group, &block->button_groups) {
button_group_free(button_group);
}
}
void ui_button_group_replace_but_ptr(uiBlock *block, const void *old_but_ptr, uiBut *new_but)
{
LISTBASE_FOREACH (uiButtonGroup *, button_group, &block->button_groups) {
LISTBASE_FOREACH (LinkData *, link, &button_group->buttons) {
if (link->data == old_but_ptr) {
link->data = new_but;
return;
}
}
}
}
/** \} */
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