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

   1 #include "widget.hh"
   2 #include "display.hh"
   3 #include "assassin.hh"
   4 #include "screeninfo.hh"
   5
   6 namespace otk {
   7
   8 OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
   9   : _parent(parent), _style(parent->getStyle()), _direction(direction),
  10     _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
  11     _visible(false), _focused(false), _grabbed_mouse(false),
  12     _grabbed_keyboard(false), _stretchable_vert(false),
  13     _stretchable_horz(false), _texture(0), _bg_pixmap(0),
  14     _screen(parent->getScreen())
  15 {
  16   parent->addChild(this);
  17   create();
  18 }
  19
  20 OtkWidget::OtkWidget(Style *style, Direction direction,
  21                      Cursor cursor, int bevel_width)
  22   : _parent(0), _style(style), _direction(direction), _cursor(cursor),
  23     _bevel_width(bevel_width), _visible(false),
  24     _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
  25     _stretchable_vert(false), _stretchable_horz(false), _texture(0),
  26     _bg_pixmap(0), _screen(style->getScreen())
  27 {
  28   assert(style);
  29   create();
  30 }
  31
  32 OtkWidget::~OtkWidget()
  33 {
  34   if (_visible)
  35     hide();
  36
  37   std::for_each(_children.begin(), _children.end(), PointerAssassin());
  38
  39   if (_parent)
  40     _parent->removeChild(this);
  41
  42   XDestroyWindow(otk::OBDisplay::display, _window);
  43 }
  44
  45 void OtkWidget::create(void)
  46 {
  47   const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
  48   Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
  49
  50   _rect.setRect(0, 0, 1, 1); // just some initial values
  51
  52   XSetWindowAttributes attrib_create;
  53   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
  54
  55   attrib_create.background_pixmap = None;
  56   attrib_create.colormap = scr_info->getColormap();
  57   attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
  58     ButtonMotionMask | ExposureMask | StructureNotifyMask;
  59
  60   if (_cursor) {
  61     create_mask |= CWCursor;
  62     attrib_create.cursor = _cursor;
  63   }
  64
  65   _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
  66                           _rect.y(), _rect.width(), _rect.height(), 0,
  67                           scr_info->getDepth(), InputOutput,
  68                           scr_info->getVisual(), create_mask, &attrib_create);
  69 }
  70
  71 void OtkWidget::move(const Point &to)
  72 {
  73   move(to.x(), to.y());
  74 }
  75
  76 void OtkWidget::move(int x, int y)
  77 {
  78   _rect.setPos(x, y);
  79   XMoveWindow(otk::OBDisplay::display, _window, x, y);
  80 }
  81
  82 void OtkWidget::resize(const Point &to)
  83 {
  84   resize(to.x(), to.y());
  85 }
  86
  87 void OtkWidget::resize(int x, int y)
  88 {
  89   assert(x >= _rect.x() && y >= _rect.y());
  90
  91   setGeometry(_rect.x(), _rect.y(), x - _rect.x(), y - _rect.y());
  92 }
  93
  94 void OtkWidget::setGeometry(const Rect &new_geom)
  95 {
  96   setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
  97 }
  98
  99 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
 100 {
 101   setGeometry(topleft.x(), topleft.y(), width, height);
 102 }
 103
 104 void OtkWidget::setGeometry(int x, int y, int width, int height)
 105 {
 106   _rect = Rect(x, y, width, height);
 107
 108   fprintf(stderr, "Resizing to x: %d, y: %d, width: %d, height: %d\n",
 109           x, y, width, height);
 110
 111   XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
 112   setTexture();
 113 }
 114
 115 void OtkWidget::show(void)
 116 {
 117   if (_visible)
 118     return;
 119
 120   OtkWidgetList::iterator it = _children.begin(), end = _children.end();
 121   for (; it != end; ++it) {
 122     fprintf(stderr, "showing child\n");
 123     (*it)->show();
 124   }
 125
 126   fprintf(stderr, "x: %d, y: %d, width: %d, height: %d\n",
 127           _rect.x(), _rect.y(), _rect.width(), _rect.height());
 128
 129   XMapWindow(otk::OBDisplay::display, _window);
 130   _visible = true;
 131 }
 132
 133 void OtkWidget::hide(void)
 134 {
 135   if (! _visible)
 136     return;
 137
 138   OtkWidgetList::iterator it = _children.begin(), end = _children.end();
 139   for (; it != end; ++it)
 140     (*it)->hide();
 141
 142   XUnmapWindow(otk::OBDisplay::display, _window);
 143   _visible = false;
 144 }
 145
 146 void OtkWidget::focus(void)
 147 {
 148   if (! _visible)
 149     return;
 150
 151   XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
 152                  CurrentTime);
 153 }
 154
 155 bool OtkWidget::grabMouse(void)
 156 {
 157   Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
 158                             (ButtonPressMask | ButtonReleaseMask |
 159                              ButtonMotionMask | EnterWindowMask |
 160                              LeaveWindowMask | PointerMotionMask),
 161                             GrabModeSync, GrabModeAsync, None, None,
 162                             CurrentTime);
 163   _grabbed_mouse = (ret == GrabSuccess);
 164   return _grabbed_mouse;
 165 }
 166
 167 void OtkWidget::ungrabMouse(void)
 168 {
 169   if (! _grabbed_mouse)
 170     return;
 171
 172   XUngrabPointer(otk::OBDisplay::display, CurrentTime);
 173   _grabbed_mouse = false;
 174 }
 175
 176 bool OtkWidget::grabKeyboard(void)
 177 {
 178   Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
 179                              GrabModeSync, GrabModeAsync, CurrentTime);
 180   _grabbed_keyboard = (ret == GrabSuccess);
 181   return _grabbed_keyboard;
 182
 183 }
 184
 185 void OtkWidget::ungrabKeyboard(void)
 186 {
 187   if (! _grabbed_keyboard)
 188     return;
 189
 190   XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
 191   _grabbed_keyboard = false;
 192 }
 193
 194 void OtkWidget::setTexture(BTexture *texture)
 195 {
 196   if (!texture && !_texture)
 197     return;
 198
 199   Pixmap old = _bg_pixmap;
 200
 201   if (texture)
 202     _texture = texture;
 203
 204   _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
 205
 206   if (_bg_pixmap != old)
 207     XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
 208
 209   //XSetWindowBackground(otk::OBDisplay::display, win, pix);
 210 }
 211
 212 void OtkWidget::addChild(OtkWidget *child, bool front)
 213 {
 214   assert(child);
 215   if (front)
 216     _children.push_front(child);
 217   else
 218     _children.push_back(child);
 219 }
 220
 221 void OtkWidget::removeChild(OtkWidget *child)
 222 {
 223   OtkWidgetList::iterator it, end = _children.end();
 224   for (; it != end; ++it) {
 225     if ((*it) == child)
 226       break;
 227   }
 228
 229   if (it != _children.end())
 230     _children.erase(it);
 231 }
 232
 233 }