Dogcows Code - chaz/openbox/blob - otk/widget.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef    HAVE_CONFIG_H
   4 #  include "../config.h"
   5 #endif // HAVE_CONFIG_H
   6
   7 #include "widget.hh"
   8
   9 #include <algorithm>
  10
  11 namespace otk {
  12
  13 OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
  14   : OtkBaseWidget(parent),
  15     OtkEventHandler(),
  16     _direction(direction), _stretchable_vert(false), _stretchable_horz(false),
  17     _event_dispatcher(parent->getEventDispatcher())
  18 {
  19   assert(parent);
  20   _event_dispatcher->registerHandler(getWindow(), this);
  21 }
  22
  23 OtkWidget::OtkWidget(OtkEventDispatcher *event_dispatcher, Style *style,
  24                      Direction direction, Cursor cursor, int bevel_width)
  25   : OtkBaseWidget(style, cursor, bevel_width),
  26     OtkEventHandler(),
  27     _direction(direction), _stretchable_vert(false), _stretchable_horz(false),
  28     _event_dispatcher(event_dispatcher)
  29 {
  30   assert(event_dispatcher);
  31   _event_dispatcher->registerHandler(getWindow(), this);
  32 }
  33
  34 OtkWidget::~OtkWidget()
  35 {
  36   _event_dispatcher->clearHandler(_window);
  37 }
  38
  39 void OtkWidget::adjust(void)
  40 {
  41   if (_direction == Horizontal)
  42     adjustHorz();
  43   else
  44     adjustVert();
  45 }
  46
  47 void OtkWidget::adjustHorz(void)
  48 {
  49   if (_children.size() == 0)
  50     return;
  51
  52   OtkWidget *tmp;
  53   OtkBaseWidgetList::iterator it, end = _children.end();
  54
  55   int tallest = 0;
  56   int width = _bevel_width;
  57   OtkBaseWidgetList stretchable;
  58
  59   for (it = _children.begin(); it != end; ++it) {
  60     if (!(tmp = dynamic_cast<OtkWidget*>(*it))) continue;
  61     if (tmp->isStretchableVert())
  62       tmp->setHeight(_rect.height() > _bevel_width * 2 ?
  63                      _rect.height() - _bevel_width * 2 : _bevel_width);
  64     if (tmp->isStretchableHorz())
  65       stretchable.push_back(tmp);
  66     else
  67       width += tmp->_rect.width() + _bevel_width;
  68
  69     if (tmp->_rect.height() > tallest)
  70       tallest = tmp->_rect.height();
  71   }
  72
  73   if (stretchable.size() > 0) {
  74     OtkBaseWidgetList::iterator str_it = stretchable.begin(),
  75       str_end = stretchable.end();
  76
  77     int str_width = _rect.width() - width / stretchable.size();
  78
  79     for (; str_it != str_end; ++str_it)
  80       (*str_it)->setWidth(str_width > _bevel_width ? str_width - _bevel_width
  81                           : _bevel_width);
  82   }
  83
  84   OtkWidget *prev_widget = 0;
  85
  86   for (it = _children.begin(); it != end; ++it) {
  87     if (!(tmp = dynamic_cast<OtkWidget*>(*it))) continue;
  88     int x, y;
  89
  90     if (prev_widget)
  91       x = prev_widget->_rect.x() + prev_widget->_rect.width() + _bevel_width;
  92     else
  93       x = _rect.x() + _bevel_width;
  94     y = (tallest - tmp->_rect.height()) / 2 + _bevel_width;
  95
  96     tmp->move(x, y);
  97
  98     prev_widget = tmp;
  99   }
 100
 101   internalResize(width, tallest + _bevel_width * 2);
 102 }
 103
 104 void OtkWidget::adjustVert(void)
 105 {
 106   if (_children.size() == 0)
 107     return;
 108
 109   OtkWidget *tmp;
 110   OtkBaseWidgetList::iterator it, end = _children.end();
 111
 112   int widest = 0;
 113   int height = _bevel_width;
 114   OtkBaseWidgetList stretchable;
 115
 116   for (it = _children.begin(); it != end; ++it) {
 117     if (!(tmp = dynamic_cast<OtkWidget*>(*it))) continue;
 118     if (tmp->isStretchableHorz())
 119       tmp->setWidth(_rect.width() > _bevel_width * 2 ?
 120                     _rect.width() - _bevel_width * 2 : _bevel_width);
 121     if (tmp->isStretchableVert())
 122       stretchable.push_back(tmp);
 123     else
 124       height += tmp->_rect.height() + _bevel_width;
 125
 126     if (tmp->_rect.width() > widest)
 127       widest = tmp->_rect.width();
 128   }
 129
 130   if (stretchable.size() > 0) {
 131     OtkBaseWidgetList::iterator str_it = stretchable.begin(),
 132       str_end = stretchable.end();
 133
 134     int str_height = _rect.height() - height / stretchable.size();
 135
 136     for (; str_it != str_end; ++str_it)
 137       (*str_it)->setHeight(str_height > _bevel_width ?
 138                            str_height - _bevel_width : _bevel_width);
 139   }
 140
 141   OtkWidget *prev_widget = 0;
 142
 143   for (it = _children.begin(); it != end; ++it) {
 144     if (!(tmp = dynamic_cast<OtkWidget*>(*it))) continue;
 145     int x, y;
 146
 147     if (prev_widget)
 148       y = prev_widget->_rect.y() + prev_widget->_rect.height() + _bevel_width;
 149     else
 150       y = _rect.y() + _bevel_width;
 151     x = (widest - tmp->_rect.width()) / 2 + _bevel_width;
 152
 153     tmp->move(x, y);
 154
 155     prev_widget = tmp;
 156   }
 157
 158   internalResize(widest + _bevel_width * 2, height);
 159 }
 160
 161 void OtkWidget::update(void)
 162 {
 163   if (_dirty)
 164     adjust();
 165
 166   OtkBaseWidget::update();
 167 }
 168
 169 void OtkWidget::internalResize(int w, int h)
 170 {
 171   assert(w > 0 && h > 0);
 172
 173 //  if (! _fixed_width && ! _fixed_height)
 174     resize(w, h);
 175 //  else if (! _fixed_width)
 176 //    resize(w, _rect.height());
 177 //  else if (! _fixed_height)
 178 //    resize(_rect.width(), h);
 179 }
 180
 181 void OtkWidget::setEventDispatcher(OtkEventDispatcher *disp)
 182 {
 183   if (_event_dispatcher)
 184     _event_dispatcher->clearHandler(_window);
 185   _event_dispatcher = disp;
 186   _event_dispatcher->registerHandler(_window, this);
 187 }
 188
 189 void OtkWidget::exposeHandler(const XExposeEvent &e)
 190 {
 191   OtkEventHandler::exposeHandler(e);
 192   _dirty = true;
 193   update();
 194 }
 195
 196 void OtkWidget::configureHandler(const XConfigureEvent &e)
 197 {
 198   OtkEventHandler::configureHandler(e);
 199   if (_ignore_config) {
 200     _ignore_config--;
 201   } else {
 202     if (!(e.width == _rect.width() && e.height == _rect.height())) {
 203       _dirty = true;
 204       _rect.setSize(e.width, e.height);
 205     }
 206     update();
 207   }
 208 }
 209
 210 }