kmail/configuredialog/configuredialoglistview.cpp

   1 /*   -*- mode: C++; c-file-style: "gnu" -*-
   2  *   kmail: KDE mail client
   3  */
   4
   5 #include "configuredialoglistview.h"
   6
   7 #include <KLocalizedString>
   8 #include <QMenu>
   9
  10 ListView::ListView(QWidget *parent)
  11     : QTreeWidget(parent)
  12 {
  13     setAllColumnsShowFocus(true);
  14     setAlternatingRowColors(true);
  15     setSelectionMode(QAbstractItemView::SingleSelection);
  16     setRootIsDecorated(false);
  17     setContextMenuPolicy(Qt::CustomContextMenu);
  18     connect(this, &ListView::customContextMenuRequested, this, &ListView::slotContextMenu);
  19 }
  20
  21 void ListView::resizeEvent(QResizeEvent *e)
  22 {
  23     QTreeWidget::resizeEvent(e);
  24     resizeColums();
  25 }
  26
  27 void ListView::showEvent(QShowEvent *e)
  28 {
  29     QTreeWidget::showEvent(e);
  30     resizeColums();
  31 }
  32
  33 void ListView::resizeColums()
  34 {
  35     const int c = columnCount();
  36     if (c == 0) {
  37         return;
  38     }
  39
  40     const int w1 = viewport()->width();
  41     const int w2 = w1 / c;
  42     const int w3 = w1 - (c - 1) * w2;
  43
  44     for (int i = 0; i < c - 1; ++i) {
  45         setColumnWidth(i, w2);
  46     }
  47     setColumnWidth(c - 1, w3);
  48 }
  49
  50 void ListView::slotContextMenu(const QPoint &pos)
  51 {
  52     QMenu *menu = new QMenu(this);
  53     menu->addAction(i18n("Add"), this, SIGNAL(addHeader()));
  54     if (currentItem()) {
  55         menu->addAction(i18n("Remove"), this, SIGNAL(removeHeader()));
  56     }
  57     menu->exec(viewport()->mapToGlobal(pos));
  58     delete menu;
  59 }
  60