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textview.cpp
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textview.cpp
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/**
* Text viewer.
* This will show text in QAview component.
* vim:sw=2:et
*/
#include "textview.h"
#include <qpainter.h>
#include <qrect.h>
#include <qfont.h>
#include "qunicode.h"
#include "parser.h"
#include "formatter.h"
#include "aview.h"
#include "aconfig.h"
#include "qzfile.h"
#include <stdio.h>
#include <qwmatrix.h>
#include <qlineedit.h>
#include <qpe/power.h>
TextView::TextView(QWidget *parent, const char *name, WFlags f) :
BaseView(parent, name, f)
{
m_font = QFont("dinaru", 16, QFont::Normal, FALSE);
m_fmt.setFont(m_font, false, false);
m_parser = NULL;
setBackgroundColor(QColor(0,0,0));
m_colors[8] = QColor(0,0,0);
m_colors[0] = QColor(0xff,0xff,0xff);
m_margin = 4;
m_pb = 10;
m_pbHeight = 10;
m_pbFont = QFont("helvetica", 8, QFont::Normal, FALSE);
m_pbColor1.setRgb(0x22,0x55, 0x22);
m_pbColor2.setRgb(0x22,0x22, 0x22);
m_pbText.setRgb(0xff,0xff,0xff);
m_rotation = 0;
m_rebuild = true;
m_pWidth = 0;
m_pHeight = 0;
m_scrollHeight = 1;
m_scrollDelay = 3000;
connect(&m_timer, SIGNAL(timeout()), this, SLOT(nextStep()));
loadConfig();
}
#include <qdatetime.h>
#include <time.h>
/**
* draw progress bar.
* @param area [in] area for clock.
* @param dc [in] drawing handle.
*/
void
TextView::drawClock(QRect &area, QPainter &dc)
{
QString to_show;
QTime tm;
QDateTime tm2;
tm = QTime::currentTime();
to_show.sprintf("%2d:%02d", tm.hour(), tm.minute());
dc.fillRect(area, this->backgroundColor());
dc.setFont(m_pbFont);
dc.setPen(m_pbText);
dc.drawText(area, AlignCenter, to_show);
}
#include "battery.h"
/**
* draw battery bar.
* @param area [in] area for battery.
* @param dc [in] drawing handle.
*/
void
TextView::drawBattery(QRect &area, QPainter &dc)
{
QRect bat_area;
static MyBattery power;
//PowerStatus power;
dc.fillRect(area, this->backgroundColor());
dc.setPen(m_pbText);
dc.drawRect(area);
bat_area = area;
bat_area.rLeft() += 2;
bat_area.rTop() += 2;
bat_area.rBottom() -= 2;
bat_area.rRight() -= 2;
/*
power = power_manager.readStatus();
*/
power.updateStatus();
if (power.acStatus() == PowerStatus::Online) {
dc.drawText(area, AlignCenter, "A C");
return;
}
int all_width = bat_area.width()-1;
all_width = all_width*power.batteryPercentRemaining()/100;
/*
printf("Status:%d Accu:%d Remain:%d RemainTime:%d\n",
power.batteryStatus(),
power.batteryPercentAccurate(),
power.batteryPercentRemaining(), power.batteryTimeRemaining() );
*/
bat_area.rRight() = bat_area.rLeft()+all_width;
dc.fillRect(bat_area, this->m_pbText);
}
/**
* draw progress bar.
* @param area [in] area for scroll bar.
* @param dc [in] drawing handle.
*/
void
TextView::drawProgressBar(QRect &area, QPainter &dc)
{
unsigned long m_offset;
int m_width, x_para, x_offset;
QRect p_rect;
m_fmt.getLastParagraph(x_para, x_offset);
m_offset = m_parser->getOffset(x_para);
Paragraph para = m_parser->getParagraph(x_para);
if (x_offset>0 && para.m_str->length()>0)
m_offset += x_offset*m_parser->getLength(x_para)/para.m_str->length();
QString to_show;
to_show.sprintf("%d / %d", m_offset, m_pbLength);
p_rect = area;
if (m_pbLength>0)
p_rect.rRight() = p_rect.left()+p_rect.width()*m_offset/m_pbLength;
else
p_rect.rRight() = p_rect.left()+p_rect.width();
dc.fillRect(p_rect, m_pbColor1);
p_rect.rLeft() = p_rect.right();
p_rect.rRight() = area.right();
dc.fillRect(p_rect, m_pbColor2);
p_rect.rLeft() = area.left();
p_rect.rRight() = area.right();
dc.setFont(m_pbFont);
dc.setPen(m_pbText);
dc.drawText(p_rect, AlignCenter, to_show);
}
void
TextView::paintEvent(QPaintEvent *ev)
{
QRect urect = ev->rect();
QRect mrect = this->rect();
int dx, dy;
/*
printf("TextView::paintEvent(%d,%d) (%dx%d)\n",
urect.left(), urect.top(),
urect.width(), urect.height());
*/
if (!m_parser) {
QPainter dc(this);
dc.setPen(m_fg);
dc.setFont(QFont("fixed", 16));
dc.eraseRect(urect);
QString my_str;
my_str.sprintf(tr(
"QAView by amateras \n"
"-----------------------------\n"
"[ OK ] - Full Screen / Menu\n"
"[CANCEL] - Close Doc / Quit\n"
"[ UP ] - Open File \n"
"[ LEFT ] - Rotate Left \n"
"[ RIGHT] - Rotate Right \n"
"-----------------------------\n"
" Rotation : %3d \n"
"-----------------------------\n"), m_rotation);
dc.drawText(mrect, AlignCenter, my_str);
dc.end();
return;
}
QPainter dc;
if (m_rotation==0 || m_rebuild) {
if (m_rotation!=0) {
mrect = QRect(0, 0, m_pWidth, m_pHeight);
urect = mrect;
m_orgBuffer.resize(mrect.size());
dc.begin(&m_orgBuffer);
} else {
dc.begin(this);
}
dc.setBackgroundColor(this->backgroundColor());
dc.setPen(m_fg);
/* erase area which text draw.. */
if (urect.bottom()>mrect.bottom()-m_pb)
dc.eraseRect(urect.left(), urect.top(),
urect.width(), (mrect.bottom()-m_pb)-urect.top()+1);
else
dc.eraseRect(urect);
dx = urect.left()-mrect.left()-m_margin;
dy = urect.top()-mrect.top()-m_margin;
dc.setClipRect(urect);
m_fmt.drawLines(&dc, dx, dy, urect.left(), urect.top(),
urect.width(), urect.height());
dc.setClipRect(urect);
/* draw progress bar */
if (m_parser && m_pb>0 && urect.bottom()>mrect.bottom()-m_pb) {
QRect p_rect;
p_rect = mrect;
p_rect.rTop() = p_rect.rBottom()-m_pb+1;
p_rect.rLeft() += 30;
p_rect.rRight() -= 30;
drawProgressBar(p_rect, dc);
p_rect = mrect;
p_rect.rTop() = p_rect.rBottom()-m_pb+1;
p_rect.rLeft() = p_rect.rRight() - 30;
drawClock(p_rect, dc);
p_rect = mrect;
p_rect.rTop() = p_rect.rBottom()-m_pb+1;
p_rect.rRight() = p_rect.rLeft() + 30;
drawBattery(p_rect, dc);
}
dc.end();
}
if (m_rotation!=0) {
if (m_rebuild) {
m_rotBuffer = m_orgBuffer.xForm(m_matrix);
m_rebuild = false;
}
urect = ev->rect();
bitBlt(this, urect.left(), urect.top(), &m_rotBuffer,
urect.left(), urect.top(), urect.width(), urect.height());
}
}
/**
* Update formatter size.
* It will change size of formatter area according to size of this window
* and rotation value.
*/
void
TextView::updateSize()
{
int n_width, n_height;
if (m_rotation==90 || m_rotation==270) {
n_width = height();
n_height = width();
} else {
n_width = width();
n_height = height();
}
if (n_width==m_pWidth && n_height==m_pHeight) return;
m_pWidth = n_width;
m_pHeight = n_height;
m_fmt.setSize(m_pWidth-m_margin*2, m_pHeight-m_pb-m_margin*2);
m_rebuild = true;
}
/**
* Change rotation value.
* @param degree new rotation value. multiple of 90.
*/
void
TextView::setRotation(int degree)
{
while (degree<0) degree+= 360;
while (degree>=360) degree-= 360;
//printf("TextView::rotate(%d)\n", degree);
switch (degree) {
case 0:
m_rotation = 0;
m_orgBuffer.resize(0,0);
m_rotBuffer.resize(0,0);
m_rebuild = false;
updateSize();
m_fmt.updateLines();
repaint(false);
break;
case 90: case 180: case 270:
m_rotation = degree;
m_matrix.reset();
m_matrix.rotate(degree);
m_rebuild = true;
updateSize();
m_fmt.updateLines();
repaint(false);
break;
}
/* store rotation value. */
g_cfg->getInt(ACFG_Rotation) = m_rotation;
g_cfg->write(ACFG_Rotation);
}
void
TextView::rotateRight()
{
setRotation(m_rotation+90);
}
void
TextView::rotateLeft()
{
setRotation(m_rotation-90);
}
void
TextView::resizeEvent(QResizeEvent *ev)
{
//printf("TextView::resizeEvent(%d,%d)\n", width(), height());
updateSize();
m_fmt.updateLines();
if (ev->oldSize().width()!=width())
repaint(false);
}
/**
* set scroll mode.
* @param mode [in] 0:turn off, 1:turn on, 2:toggle.
*/
void
TextView::setSlideShowMode(int mode)
{
bool new_mode;
switch (mode) {
case 0:
case 1:
new_mode = mode;
break;
case 2:
new_mode = !m_timer.isActive();
break;
default:
return;
}
if (new_mode!=m_timer.isActive()) {
if (new_mode) {
m_timer.start(m_scrollDelay);
} else {
m_timer.stop();
}
}
}
void
TextView::nextPage()
{
if (m_fmt.nextPage()) {
m_rebuild = true;
repaint(false);
} else {
emit loadNext();
}
}
void
TextView::nextStep()
{
int move, valid_height;
if (m_fmt.nextLine(m_scrollHeight, &move, &valid_height)) {
int xx = m_margin, yy = m_margin;
int ww = m_pWidth-m_margin*2, hh = m_pHeight-m_margin*2;
if (m_rotation!=0) {
m_rebuild = true;
repaint(false);
} else {
bitBlt(this, xx, yy, this, xx, yy+move, ww, valid_height);
repaint(0, yy+valid_height,
m_pWidth, m_pHeight-yy-valid_height,
false);
}
} else
setSlideShowMode(0);
}
void
TextView::prevPage()
{
if (m_fmt.prevPage()) {
m_rebuild = true;
repaint(false);
} else {
printf("load previous file\n");
emit loadPrev();
}
}
void
TextView::cleanLineDB()
{
m_fmt.cleanLines();
}
void
TextView::setParagraph(int para)
{
this->setParagraph(para, 0);
}
void
TextView::search(QString key, int flag)
{
if (m_parser) {
SearchResult sr;
sr = m_parser->search(key, flag);
if (sr) {
setParagraph(sr.para);
}
}
}
void
TextView::setParagraph(int para, int offset)
{
if (m_parser) {
m_rebuild = true;
m_fmt.setParagraph(para, offset);
m_fmt.updateLines();
repaint(false);
}
}
int
TextView::getParaCount()
{
if (m_parser) {
return m_parser->getParaCount();
} else {
return 0;
}
}
void
TextView::getParagraph(int ¶, int &offset)
{
if (m_parser) {
m_fmt.getParagraph(para, offset);
return;
}
para = 0;
offset = 0;
return;
}
/**
* Check wether it is showing document.
* @return true if it has document.
*/
bool
TextView::hasDocument()
{
return NULL!=m_parser;
}
/**
* Try to change document.
*/
bool
TextView::setDocument(QString filename,
int parser_id, int encoding_id, int para, int offset)
{
TParser *n_ps;
QZFile *n_fd;
n_fd = new QZFile(filename);
if (!n_fd->exists()) {
printf("TextView::setDocument(%s) NOT EXIST\n",
(const char*)filename.utf8());
delete n_fd;
return false;
}
if (!n_fd->open()){
printf("TextView::setDocument(%s) FAILS to open\n",
(const char*)filename.utf8());
delete n_fd;
return false;
}
switch (parser_id) {
case 0:
default:
n_ps = TParser::getParser(n_fd);
break;
case 1:
n_ps = TParser::getANSIParser(n_fd, encoding_id);
break;
}
if (NULL==n_ps) {
printf("TextView::setDocument(%s) FAILS to get Parser\n",
(const char*)filename.utf8());
delete n_fd;
return false;
}
setParserAndLocation(n_ps, para, offset);
return true;
}
void
TextView::resetDocument()
{
setParserAndLocation(NULL, 0, 0);
m_orgBuffer.resize(1,1);
m_rotBuffer.resize(1,1);
m_rebuild = true;
}
/**
* Get current document location.
* @param[out] filename Current file name.
* @param[out] para Paragraph number.
* @param[out] offset File offset.
* @return It shall return true if it has document and set other parameters.
* Otherwise it shall return false and other parameters does not be
* changed.
*/
bool
TextView::getDocumentLocation(int ¶, int &offset)
{
if (m_parser) {
m_fmt.getParagraph(para, offset);
return true;
}
return false;
}
void
TextView::setParserAndLocation(TParser *ps, int para, int offset)
{
if (m_parser) delete m_parser;
m_parser = ps;
m_fmt.setParser(m_parser);
if (ps) {
printf("TextView::setParserAndLocation(%d,%d)\n", para, offset);
if (para>=ps->getParaCount()) {
para = ps->getParaCount()-1;
offset = 0;
}
m_pbLength = ps->getOffset(ps->getParaCount()-1)+
ps->getLength(ps->getParaCount()-1);
printf("TextView::setParserAndLocation:m_fmt.setParagraph(%d,%d)\n",
para, offset);
m_fmt.setParagraph(para, offset);
m_fmt.updateLines();
} else {
m_fmt.cleanLines();
}
m_rebuild = true;
repaint();
}
static int color_key[] = {
ACFG_TextColor,
ACFG_HighLight1,
ACFG_HighLight2,
ACFG_HighLight3,
ACFG_HighLight4,
ACFG_HighLight5,
ACFG_HighLight6,
ACFG_HighLight7,
ACFG_Background
};
void
TextView::loadConfig()
{
//printf("TextView::loadConfig\n");
m_font = QFont(
g_cfg->getString(ACFG_FontName),
g_cfg->getInt(ACFG_FontSize),
g_cfg->getBool(ACFG_FontBold) ? QFont::Bold : QFont::Normal, FALSE);
m_fmt.setFont(m_font, g_cfg->getBool(ACFG_FontBold),
g_cfg->getBool(ACFG_FakeBold));
m_fmt.setLineMargin(g_cfg->getInt(ACFG_LineMargin));
m_margin = g_cfg->getInt(ACFG_Margin);
updateSize();
m_fmt.updateLines();
setBackgroundColor(g_cfg->getColor(ACFG_Background));
m_fg = g_cfg->getColor(ACFG_TextColor);
for (int idx=0 ; idx<9 ; idx++)
m_colors[idx] = g_cfg->getColor(color_key[idx]);
m_fmt.setColors(m_colors);
m_pbColor1 = g_cfg->getColor(ACFG_BarFG);
m_pbColor2 = g_cfg->getColor(ACFG_BarBG);
m_pbText = g_cfg->getColor(ACFG_BarText);
m_pbHeight = g_cfg->getInt(ACFG_BarHeight);
m_pb = g_cfg->getBool(ACFG_BarVisible) ? m_pbHeight : 0;
setRotation(g_cfg->getInt(ACFG_Rotation));
m_scrollHeight = g_cfg->getInt(ACFG_ScrollHeight);
m_scrollDelay = g_cfg->getInt(ACFG_ScrollDelay);
repaint(false);
}
bool
TextView::canSearch()
{
return true;
}
void
TextView::mousePressEvent(QMouseEvent *ev)
{
((AView*)parent())->viewMousePressEvent(ev);
}
void
TextView::mouseReleaseEvent(QMouseEvent *ev)
{
((AView*)parent())->viewMouseReleaseEvent(ev);
}
void
TextView::mouseMoveEvent(QMouseEvent *ev)
{
((AView*)parent())->viewMouseMoveEvent(ev);
}
int
TextView::getRotation()
{
return m_rotation;
}