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myiconview.cpp
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myiconview.cpp
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#include "myiconview.h"
#include "types.h"
#include "functions.h"
#include "osinterface.h"
#include "stylesheets.h"
#include <QKeyEvent>
#include <QHeaderView>
#include <QBrush>
#include <iostream>
#include <sstream>
#include <string>
/* vrati index oznaceneho prvku, prepocitany z mrizky */
int MyIconView::getSelIdx(){
return currentItem()->row() * columnCount() + currentItem()->column();
}
/* vrati index polozky s danym textem */
int MyIconView::getIdxOf(std::string &name){
if (name[name.size() - 1] == OSInterface::dir_sep)
name = name.substr(0, name.size() - 1);
auto a = findItems(QString::fromStdString(name),Qt::MatchExactly);
if(a.size()){
return indexFromItem(a[0]).row() * columnCount() + indexFromItem(a[0]).column();
}
return 0;
}
/* zpracovani focusu */
void MyIconView::focusInEvent(QFocusEvent *){
emit(focused());
focus();
}
void MyIconView::focusOutEvent(QFocusEvent *){
unFocus();
}
/* pri zmene velikosti si ji ulozi a zasignalizuje, prepocita se pocet sloupcu */
void MyIconView::resizeEvent(QResizeEvent *e)
{
w = e->size().width();
if(w)
emit(rebuilded());
}
void MyIconView::setFocus(){ QWidget::setFocus(); }
/* vrati validni absolutni cestu k prave oznacenemu souboru */
std::string MyIconView::getSelected(){
repairPath(path);
if(currentItem())
return path + currentItem()->text().toStdString() ;
else return "";
}
/*
* prida polozku
* na zaklade informaci o danem souboru
*/
void MyIconView::addItem(int &col, int &row, dirEntryT *e){
QTableWidgetItem *item;
item = new QTableWidgetItem(QString::fromStdString(e->name));
item->setIcon(base_icon);
if(e->type == e->Type::DIR){
item->setIcon(dir_icon);
item->setFont(bold_font);
}else if(e->type == e->Type::LINK){
item->setFont(italic_font);
item->setForeground(QBrush(QColor(255, 0, 0)));
}else if(e->type == e->Type::ARCHIVE){
item->setIcon(ar_icon);
item->setFont(bold_font);
item->setForeground(QBrush(QColor(255, 0, 255)));
}else item->setFont(base_font);
setItem(row, col, item);
}
void MyIconView::build(int &cols){
QTableWidgetItem *item;
int col = 0, row = 0;
if(path[path.size() - 1] == '/')
path = path.substr(0,path.size() - 1);
for(auto &e : osi->dirs){
if((e->name == ".") || (e->name == "..")) continue;
addItem(col, row, e);
col = (col + 1) % cols;
if(!col)
++row;
}
for(int c = col; c < cols; ++c){
item = new QTableWidgetItem("");
item->setFlags(Qt::NoItemFlags);
setItem(row, c, item);
}
}
/* prebudovani obsahu
* nacte informace o souborech v adresari
* spocita a nastavi si parametry
* vytvori a prida polozky
*/
void MyIconView::rebuild(int idx){
clear();
int cols = w / col_width, col, row;
setRowCount(osi->dirs.size() / cols + 1);
setColumnCount(cols);
setIconSize(QSize(28,28));
for(int i = 0; i < cols; ++i){
setColumnWidth(i, col_width - 1);
}
build(cols);
horizontalHeader()->setVisible(false);
verticalHeader()->setVisible(false);
setShowGrid(false);
if(!osi->dirs.empty()){
row = idx / cols;
col = idx % cols;
QPersistentModelIndex nextIndex = model()->index(row, col);
selectionModel()->setCurrentIndex(nextIndex, QItemSelectionModel::SelectCurrent);
}
}
/* projde vsechny prvky, pokud jsou vybrane, prislusne je zvyrazni,
* jinak do normalu
*/
void MyIconView::updateSelection(){
QBrush brb(QColor(150, 200, 255));
QBrush brw;
if(marked)
brw = QBrush(QColor(238, 255, 238));
else
brw = QBrush(QColor(255, 255, 255));
QFont sel_font, base_font;
base_font.setFamily("Verdana");
sel_font.setFamily("Helvetica");
sel_font.setUnderline(true);
sel_font.setLetterSpacing(QFont::AbsoluteSpacing, 2);
repairPath(path);
for(int i = 0; i < rowCount(); ++i){
for(int j = 0; j < columnCount(); ++j){
if(item(i, j) != nullptr){
if(multi_selection.find(path + item(i, j)->text().toStdString()) != multi_selection.end()){
item(i, j)->setBackground(brb);
item(i, j)->setFont(sel_font);
}else{
if(OSInterface::isDir(path + OSInterface::dir_sep + item(i, j)->text().toStdString()))
base_font.setBold(true);
item(i, j)->setBackground(brw);
item(i, j)->setFont(base_font);
base_font.setBold(false);
}
}
}
}
}
/* zvoleny prvek prida do vyberu nebo ho naopak odebere */
void MyIconView::changeSelection(){
std::string selected = getSelected();
if(multi_selection.find(selected) != multi_selection.end()){
multi_selection.erase(selected);
}else{
multi_selection.insert(selected);
}
updateSelection();
}
/* prestane prekazet, zrusen bude pozdeji */
void MyIconView::die(){
setFocusPolicy(Qt::NoFocus);
setFixedSize(0, 0);
}
/* obsluha stisku klavesy */
void MyIconView::keyPressEvent(QKeyEvent *e){
switch (e->key()) {
case Qt::Key_Escape:
multi_selection.clear();
updateSelection();
break;
case Qt::Key_Insert:
mark(!marked);
break;
case Qt::Key_Shift:
changeSelection();
break;
case Qt::Key_Backspace:
emit(stepup());
setFocus();
break;
case Qt::Key_F1:
emit(chlayout());
break;
case Qt::Key_F11:
emit(refresh());
break;
case Qt::Key_Down:
case Qt::Key_Up:
case Qt::Key_Left:
case Qt::Key_Right:
QTableWidget::keyPressEvent(e);
if(e->modifiers() & Qt::ShiftModifier)
changeSelection();
break;
case Qt::Key_Tab:
QWidget::keyPressEvent(e);
break;
default:
QTableWidget::keyPressEvent(e);
break;
}
}
/* zmena vzhledu pri focusu */
void MyIconView::focus(){
is_focused = true;
setStyleSheet(focused_list_style);
updateSelection();
}
/* zmena vzhledu pri oznaceni za cil */
void MyIconView::mark(bool m){
if(m){ //oznacit
marked = true;
setStyleSheet(marked_list_style);
}else{ //odznacit
marked = false;
setStyleSheet(focused_list_style);
}
updateSelection();
}
/* zmena vzhledu pri ztrate focusu */
void MyIconView::unFocus(){
is_focused = false;
if(!marked){
setStyleSheet(unfocused_list_style);
updateSelection();
}else mark(true);
}