src/frontends/kde/dlg/tabstack.C

   1 /*
   2  * tabstack.C
   3  * (C) 2000 LyX Team
   4  * John Levon, moz@compsoc.man.ac.uk
   5  */
   6
   7 /***************************************************************************
   8  *                                                                         *
   9  *   This program is free software; you can redistribute it and/or modify  *
  10  *   it under the terms of the GNU General Public License as published by  *
  11  *   the Free Software Foundation; either version 2 of the License, or     *
  12  *   (at your option) any later version.                                   *
  13  *                                                                         *
  14  ***************************************************************************/
  15
  16 #include "tabstack.h"
  17
  18 #include "qlayout.h"
  19 #include "qwidgetstack.h"
  20 #include "qtabbar.h"
  21 #include "qpainter.h"
  22
  23 /**
  24  * A tab bar and a widget stack for storing related pages.
  25  */
  26
  27 TabStack::TabStack(QWidget * parent, const char * name)
  28         : QWidget(parent,name), tabs(0), stack(0)
  29 {
  30         stack = new QWidgetStack(this, "stack");
  31         tabs = new QTabBar(this, "tabbar");
  32         connect(tabs, SIGNAL(selected(int)), this, SLOT(selected(int)));
  33
  34         topLayout = new QHBoxLayout(this, 1);
  35
  36         layout = new QVBoxLayout();
  37         topLayout->addLayout(layout);
  38         layout->addWidget(tabs, 0);
  39         layout->addWidget(stack, 1);
  40 }
  41
  42 TabStack::~TabStack()
  43 {
  44 }
  45
  46 int TabStack::addTabPage(QWidget *page, const char *label)
  47 {
  48         QTab *tab = new QTab();
  49
  50         tab->label = label;
  51
  52         int id = tabs->addTab(tab);
  53         stack->addWidget(page, id);
  54         tabs->setMinimumSize(tabs->sizeHint());
  55         return id;
  56 }
  57
  58 void TabStack::setTabPageEnabled(int id, bool enable)
  59 {
  60         tabs->setTabEnabled(id, enable);
  61 }
  62
  63 bool TabStack::isTabPageEnabled(int id) const
  64 {
  65         return tabs->isTabEnabled(id);
  66 }
  67
  68 void TabStack::setCurrentTabPage(int id)
  69 {
  70         selected(id);
  71 }
  72
  73 int TabStack::currentTabPage() const
  74 {
  75         return tabs->currentTab();
  76 }
  77
  78 void TabStack::selected(int id)
  79 {
  80         if (tabs->currentTab() != id)
  81                 tabs->setCurrentTab(id);
  82         stack->raiseWidget(id);
  83 }
  84
  85 void TabStack::paintEvent(QPaintEvent *)
  86 {
  87         if (!tabs)
  88                 return;
  89
  90         QPainter p;
  91         p.begin(this);
  92         QRect geom(stack->geometry());
  93
  94         QCOORD top = geom.top() - 1;
  95         QCOORD bottom = geom.bottom() + 2;
  96         QCOORD right = geom.right() + 2;
  97         QCOORD left = geom.left() - 1;
  98
  99         p.setPen(white);
 100         p.drawLine(left, top, right - 1, top);
 101         p.drawLine(left, top + 1, left, bottom);
 102         p.setPen(black);
 103         p.drawLine(right, bottom, left, bottom);
 104         p.drawLine(right, bottom-1, right, top);
 105         p.setPen(colorGroup().dark());
 106         p.drawLine(left+1, bottom-1, right-1, bottom-1);
 107         p.drawLine(right-1, bottom-2, right-1, top+1);
 108
 109         p.end();
 110
 111         // FIXME: do this better ?
 112         tabs->update();
 113 }