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/*
Copyright 2012 to 2016 bigbiff/Dees_Troy 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
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 TWRP. If not, see <http://www.gnu.org/licenses/>.
*/
// text.cpp - GUIText object
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/reboot.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <time.h>
#include <unistd.h>
#include <stdlib.h>
#include <string>
extern "C" {
#include "../twcommon.h"
}
#include "../minuitwrp/minui.h"
#include "rapidxml.hpp"
#include "objects.hpp"
GUIText::GUIText(xml_node<>* node)
: GUIObject(node)
{
mFont = NULL;
mIsStatic = 1;
mVarChanged = 0;
mFontHeight = 0;
maxWidth = 0;
scaleWidth = true;
isHighlighted = false;
mText = "";
if (!node)
return;
// Load colors
mColor = LoadAttrColor(node, "color", COLOR(0,0,0,255));
mHighlightColor = LoadAttrColor(node, "highlightcolor", mColor);
// Load the font, and possibly override the color
mFont = LoadAttrFont(FindNode(node, "font"), "resource");
if (!mFont)
return;
mColor = LoadAttrColor(FindNode(node, "font"), "color", mColor);
mHighlightColor = LoadAttrColor(FindNode(node, "font"), "highlightcolor", mColor);
// Load the placement
LoadPlacement(FindNode(node, "placement"), &mRenderX, &mRenderY, &mRenderW, &mRenderH, &mPlacement);
xml_node<>* child = FindNode(node, "text");
if (child) mText = child->value();
child = FindNode(node, "noscaling");
if (child) {
scaleWidth = false;
} else {
if (mPlacement == TOP_LEFT || mPlacement == BOTTOM_LEFT) {
maxWidth = gr_fb_width() - mRenderX;
} else if (mPlacement == TOP_RIGHT || mPlacement == BOTTOM_RIGHT) {
maxWidth = mRenderX;
} else if (mPlacement == CENTER || mPlacement == CENTER_X_ONLY) {
if (mRenderX < gr_fb_width() / 2) {
maxWidth = mRenderX * 2;
} else {
maxWidth = (gr_fb_width() - mRenderX) * 2;
}
}
}
// Simple way to check for static state
mLastValue = gui_parse_text(mText);
if (mLastValue != mText) mIsStatic = 0;
mFontHeight = mFont->GetHeight();
}
int GUIText::Render(void)
{
if (!isConditionTrue())
return 0;
void* fontResource = NULL;
if (mFont)
fontResource = mFont->GetResource();
else
return -1;
mLastValue = gui_parse_text(mText);
mVarChanged = 0;
if (isHighlighted)
gr_color(mHighlightColor.red, mHighlightColor.green, mHighlightColor.blue, mHighlightColor.alpha);
else
gr_color(mColor.red, mColor.green, mColor.blue, mColor.alpha);
gr_textEx_scaleW(mRenderX, mRenderY, mLastValue.c_str(), fontResource, maxWidth, mPlacement, scaleWidth);
return 0;
}
int GUIText::Update(void)
{
if (!isConditionTrue())
return 0;
static int updateCounter = 3;
// This hack just makes sure we update at least once a minute for things like clock and battery
if (updateCounter) updateCounter--;
else
{
mVarChanged = 1;
updateCounter = 3;
}
if (mIsStatic || !mVarChanged)
return 0;
std::string newValue = gui_parse_text(mText);
if (mLastValue == newValue)
return 0;
else
mLastValue = newValue;
return 2;
}
int GUIText::GetCurrentBounds(int& w, int& h)
{
void* fontResource = NULL;
if (mFont)
fontResource = mFont->GetResource();
h = mFontHeight;
mLastValue = gui_parse_text(mText);
w = gr_ttf_measureEx(mLastValue.c_str(), fontResource);
return 0;
}
int GUIText::NotifyVarChange(const std::string& varName, const std::string& value)
{
GUIObject::NotifyVarChange(varName, value);
mVarChanged = 1;
return 0;
}
int GUIText::SetMaxWidth(unsigned width)
{
maxWidth = width;
if (!maxWidth)
scaleWidth = false;
mVarChanged = 1;
return 0;
}
void GUIText::SetText(string newtext)
{
mText = newtext;
}
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