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Copyright 2015 bigbiff/Dees_Troy/_that TeamWin
This file is part of TWRP/TeamWin Recovery Project.
TWRP 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 3 of the License, or
(at your option) any later version.
TWRP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with TWRP. If not, see <>.
// textbox.cpp - GUITextBox object
#include <string>
extern "C" {
#include "../twcommon.h"
#include "minuitwrp/minui.h"
#include "rapidxml.hpp"
#include "objects.hpp"
GUITextBox::GUITextBox(xml_node<>* node) : GUIScrollList(node)
xml_node<>* child;
mLastCount = 0;
mIsStatic = true;
allowSelection = false; // textbox doesn't support list item selections
child = FindNode(node, "color");
if (child)
mFontColor = LoadAttrColor(child, "foreground", mFontColor);
mBackgroundColor = LoadAttrColor(child, "background", mBackgroundColor);
//mScrollColor = LoadAttrColor(child, "scroll", mScrollColor);
child = FindNode(node, "text");
while (child) {
string txt = child->value();
string lookup = gui_parse_text(txt);
if (lookup != txt)
mIsStatic = false;
child = child->next_sibling("text");
int GUITextBox::Update(void)
if (AddLines(&mLastValue, NULL, &mLastCount, &rText, NULL)) {
// someone added new text
// at least the scrollbar must be updated, even if the new lines are currently not visible
mUpdate = 1;
if (mUpdate) {
mUpdate = 0;
if (Render() == 0)
return 2;
return 0;
size_t GUITextBox::GetItemCount()
return rText.size();
void GUITextBox::RenderItem(size_t itemindex, int yPos, bool selected __unused)
if (!mFont || !mFont->GetResource())
// Set the color for the font
gr_color(,,, mFontColor.alpha);
// render text
const char* text = rText[itemindex].c_str();
gr_textEx_scaleW(mRenderX, yPos, text, mFont->GetResource(), mRenderW, TOP_LEFT, 0);
void GUITextBox::NotifySelect(size_t item_selected __unused)
// do nothing - textbox ignores selections
int GUITextBox::NotifyVarChange(const std::string& varName, const std::string& value)
GUIScrollList::NotifyVarChange(varName, value);
if (!isConditionTrue() || mIsStatic)
return 0;
// Check to see if the variable exists in mText
for (size_t i = 0; i < mText.size(); i++) {
string lookup = gui_parse_text(;
if (lookup != { = lookup;
mUpdate = 1;
// There are ways to improve efficiency here, but I am not
// sure if we will even use this feature in the stock theme
// at all except for language translation. If we start using
// variables in textboxes in the stock theme, we can circle
// back and make improvements here.
mLastCount = 0;
return 0;