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 #include <algorithm>
   7
   8 namespace otk {
   9
  10 OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
  11   : _parent(parent), _style(parent->getStyle()), _direction(direction),
  12     _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
  13     _visible(false), _focused(false), _grabbed_mouse(false),
  14     _grabbed_keyboard(false), _stretchable_vert(false),
  15     _stretchable_horz(false), _texture(0), _bg_pixmap(0),
  16     _screen(parent->getScreen())
  17 {
  18   parent->addChild(this);
  19   create();
  20 }
  21
  22 OtkWidget::OtkWidget(Style *style, Direction direction,
  23                      Cursor cursor, int bevel_width)
  24   : _parent(0), _style(style), _direction(direction), _cursor(cursor),
  25     _bevel_width(bevel_width), _visible(false),
  26     _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
  27     _stretchable_vert(false), _stretchable_horz(false), _texture(0),
  28     _bg_pixmap(0), _screen(style->getScreen())
  29 {
  30   assert(style);
  31   create();
  32 }
  33
  34 OtkWidget::~OtkWidget()
  35 {
  36   if (_visible)
  37     hide();
  38
  39   std::for_each(_children.begin(), _children.end(), PointerAssassin());
  40
  41   if (_parent)
  42     _parent->removeChild(this);
  43
  44   XDestroyWindow(otk::OBDisplay::display, _window);
  45 }
  46
  47 void OtkWidget::create(void)
  48 {
  49   const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
  50   Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
  51
  52   _rect.setRect(0, 0, 1, 1); // just some initial values
  53
  54   XSetWindowAttributes attrib_create;
  55   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
  56
  57   attrib_create.background_pixmap = None;
  58   attrib_create.colormap = scr_info->getColormap();
  59   attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
  60     ButtonMotionMask | ExposureMask | StructureNotifyMask;
  61
  62   if (_cursor) {
  63     create_mask |= CWCursor;
  64     attrib_create.cursor = _cursor;
  65   }
  66
  67   _window = XCreateWindow(otk::OBDisplay::display, p_window, _rect.x(),
  68                           _rect.y(), _rect.width(), _rect.height(), 0,
  69                           scr_info->getDepth(), InputOutput,
  70                           scr_info->getVisual(), create_mask, &attrib_create);
  71 }
  72
  73 void OtkWidget::move(const Point &to)
  74 {
  75   move(to.x(), to.y());
  76 }
  77
  78 void OtkWidget::move(int x, int y)
  79 {
  80   _rect.setPos(x, y);
  81   XMoveWindow(otk::OBDisplay::display, _window, x, y);
  82 }
  83
  84 void OtkWidget::resize(const Point &to)
  85 {
  86   resize(to.x(), to.y());
  87 }
  88
  89 void OtkWidget::resize(int x, int y)
  90 {
  91   assert(x >= _rect.x() && y >= _rect.y());
  92
  93   setGeometry(_rect.x(), _rect.y(), x - _rect.x(), y - _rect.y());
  94 }
  95
  96 void OtkWidget::setGeometry(const Rect &new_geom)
  97 {
  98   setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
  99 }
 100
 101 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
 102 {
 103   setGeometry(topleft.x(), topleft.y(), width, height);
 104 }
 105
 106 void OtkWidget::setGeometry(int x, int y, int width, int height)
 107 {
 108   _rect = Rect(x, y, width, height);
 109
 110   fprintf(stderr, "Resizing to x: %d, y: %d, width: %d, height: %d\n",
 111           x, y, width, height);
 112
 113   XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
 114   setTexture();
 115 }
 116
 117 void OtkWidget::show(void)
 118 {
 119   if (_visible)
 120     return;
 121
 122   OtkWidgetList::iterator it = _children.begin(), end = _children.end();
 123   for (; it != end; ++it) {
 124     fprintf(stderr, "showing child\n");
 125     (*it)->show();
 126   }
 127
 128   fprintf(stderr, "x: %d, y: %d, width: %d, height: %d\n",
 129           _rect.x(), _rect.y(), _rect.width(), _rect.height());
 130
 131   XMapWindow(otk::OBDisplay::display, _window);
 132   _visible = true;
 133 }
 134
 135 void OtkWidget::hide(void)
 136 {
 137   if (! _visible)
 138     return;
 139
 140   OtkWidgetList::iterator it = _children.begin(), end = _children.end();
 141   for (; it != end; ++it)
 142     (*it)->hide();
 143
 144   XUnmapWindow(otk::OBDisplay::display, _window);
 145   _visible = false;
 146 }
 147
 148 void OtkWidget::focus(void)
 149 {
 150   if (! _visible)
 151     return;
 152
 153   XSetInputFocus(otk::OBDisplay::display, _window, RevertToPointerRoot,
 154                  CurrentTime);
 155 }
 156
 157 bool OtkWidget::grabMouse(void)
 158 {
 159   Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
 160                             (ButtonPressMask | ButtonReleaseMask |
 161                              ButtonMotionMask | EnterWindowMask |
 162                              LeaveWindowMask | PointerMotionMask),
 163                             GrabModeSync, GrabModeAsync, None, None,
 164                             CurrentTime);
 165   _grabbed_mouse = (ret == GrabSuccess);
 166   return _grabbed_mouse;
 167 }
 168
 169 void OtkWidget::ungrabMouse(void)
 170 {
 171   if (! _grabbed_mouse)
 172     return;
 173
 174   XUngrabPointer(otk::OBDisplay::display, CurrentTime);
 175   _grabbed_mouse = false;
 176 }
 177
 178 bool OtkWidget::grabKeyboard(void)
 179 {
 180   Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
 181                              GrabModeSync, GrabModeAsync, CurrentTime);
 182   _grabbed_keyboard = (ret == GrabSuccess);
 183   return _grabbed_keyboard;
 184
 185 }
 186
 187 void OtkWidget::ungrabKeyboard(void)
 188 {
 189   if (! _grabbed_keyboard)
 190     return;
 191
 192   XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
 193   _grabbed_keyboard = false;
 194 }
 195
 196 void OtkWidget::setTexture(BTexture *texture)
 197 {
 198   if (!texture && !_texture)
 199     return;
 200
 201   Pixmap old = _bg_pixmap;
 202
 203   if (texture)
 204     _texture = texture;
 205
 206   _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
 207
 208   if (_bg_pixmap != old)
 209     XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
 210
 211   //XSetWindowBackground(otk::OBDisplay::display, win, pix);
 212 }
 213
 214 void OtkWidget::addChild(OtkWidget *child, bool front)
 215 {
 216   assert(child);
 217   if (front)
 218     _children.push_front(child);
 219   else
 220     _children.push_back(child);
 221 }
 222
 223 void OtkWidget::removeChild(OtkWidget *child)
 224 {
 225   OtkWidgetList::iterator it, end = _children.end();
 226   for (; it != end; ++it) {
 227     if ((*it) == child)
 228       break;
 229   }
 230
 231   if (it != _children.end())
 232     _children.erase(it);
 233 }
 234
 235 }