can now map windows and render textures

otk/widget.cc

@@ -5,22 +5,27 @@
 
 namespace otk {
 
-OtkWidget::OtkWidget(OtkWidget *parent)
+OtkWidget::OtkWidget(OtkWidget *parent, Direction direction)
-  : _parent(parent), _visible(false), _focused(false), _grabbed_mouse(false),
+  : _parent(parent), _style(parent->getStyle()), _direction(direction),
+    _cursor(parent->getCursor()), _bevel_width(parent->getBevelWidth()),
+    _visible(false), _focused(false), _grabbed_mouse(false),
     _grabbed_keyboard(false), _stretchable_vert(false),
-    _stretchable_horz(false), _texture(NULL), _screen(parent->getScreen()),
+    _stretchable_horz(false), _texture(0), _bg_pixmap(0),
-    _cursor(parent->getCursor())
+    _screen(parent->getScreen())
 {
   parent->addChild(this);
   create();
 }
 
-OtkWidget::OtkWidget(unsigned int screen, Cursor cursor = 0)
+OtkWidget::OtkWidget(Style *style, Direction direction,
-  : _parent(NULL), _visible(false), _focused(false), _grabbed_mouse(false),
+                     Cursor cursor, int bevel_width)
-    _grabbed_keyboard(false), _stretchable_vert(false),
+  : _parent(0), _style(style), _direction(direction), _cursor(cursor),
-    _stretchable_horz(false), _texture(NULL), _screen(screen),
+    _bevel_width(bevel_width), _visible(false),
-    _cursor(cursor)
+    _focused(false), _grabbed_mouse(false), _grabbed_keyboard(false),
+    _stretchable_vert(false), _stretchable_horz(false), _texture(0),
+    _bg_pixmap(0), _screen(style->getScreen())
 {
+  assert(style);
   create();
 }
 
@@ -42,8 +47,7 @@ void OtkWidget::create(void)
   const ScreenInfo *scr_info = otk::OBDisplay::screenInfo(_screen);
   Window p_window = _parent ? _parent->getWindow() : scr_info->getRootWindow();
 
-
+  _rect.setRect(0, 0, 1, 1); // just some initial values
-  _rect.setRect(10, 10, 20, 20);
 
   XSetWindowAttributes attrib_create;
   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWEventMask;
@@ -51,7 +55,7 @@ void OtkWidget::create(void)
   attrib_create.background_pixmap = None;
   attrib_create.colormap = scr_info->getColormap();
   attrib_create.event_mask = ButtonPressMask | ButtonReleaseMask |
-    ButtonMotionMask | ExposureMask;
+    ButtonMotionMask | ExposureMask | StructureNotifyMask;
 
   if (_cursor) {
     create_mask |= CWCursor;
@@ -84,13 +88,12 @@ void OtkWidget::resize(int x, int y)
 {
   assert(x >= _rect.x() && y >= _rect.y());
 
-  _rect.setWidth(x - _rect.x());
+  setGeometry(_rect.x(), _rect.y(), x - _rect.x(), y - _rect.y());
-  _rect.setHeight(y - _rect.y());
 }
 
 void OtkWidget::setGeometry(const Rect &new_geom)
 {
-  setGeometry(new_geom.x(), new_geom.y(), new_geom.height(), new_geom.width());
+  setGeometry(new_geom.x(), new_geom.y(), new_geom.width(), new_geom.height());
 }
  
 void OtkWidget::setGeometry(const Point &topleft, int width, int height)
@@ -101,7 +104,12 @@ void OtkWidget::setGeometry(const Point &topleft, int width, int height)
 void OtkWidget::setGeometry(int x, int y, int width, int height)
 {
   _rect = Rect(x, y, width, height);
+
+  fprintf(stderr, "Resizing to x: %d, y: %d, width: %d, height: %d\n",
+          x, y, width, height);
+
   XMoveResizeWindow(otk::OBDisplay::display, _window, x, y, width, height);
+  setTexture();
 }
 
 void OtkWidget::show(void)
@@ -110,8 +118,13 @@ void OtkWidget::show(void)
     return;
 
   OtkWidgetList::iterator it = _children.begin(), end = _children.end();
-  for (; it != end; ++it)
+  for (; it != end; ++it) {
+    fprintf(stderr, "showing child\n");
     (*it)->show();
+  }
+
+  fprintf(stderr, "x: %d, y: %d, width: %d, height: %d\n",
+          _rect.x(), _rect.y(), _rect.width(), _rect.height());
 
   XMapWindow(otk::OBDisplay::display, _window);
   _visible = true;
@@ -139,44 +152,82 @@ void OtkWidget::focus(void)
                  CurrentTime);
 }
 
-void OtkWidget::blur(void)
-{
-  // ?
-}
-
 bool OtkWidget::grabMouse(void)
 {
-  return true;
+  Status ret = XGrabPointer(otk::OBDisplay::display, _window, True,
+                            (ButtonPressMask | ButtonReleaseMask |
+                             ButtonMotionMask | EnterWindowMask |
+                             LeaveWindowMask | PointerMotionMask),
+                            GrabModeSync, GrabModeAsync, None, None,
+                            CurrentTime);
+  _grabbed_mouse = (ret == GrabSuccess);
+  return _grabbed_mouse;
 }
 
 void OtkWidget::ungrabMouse(void)
 {
+  if (! _grabbed_mouse)
+    return;
 
+  XUngrabPointer(otk::OBDisplay::display, CurrentTime);
+  _grabbed_mouse = false;
 }
 
 bool OtkWidget::grabKeyboard(void)
 {
-  return true;
+  Status ret = XGrabKeyboard(otk::OBDisplay::display, _window, True,
+                             GrabModeSync, GrabModeAsync, CurrentTime);
+  _grabbed_keyboard = (ret == GrabSuccess);
+  return _grabbed_keyboard;
+
 }
 
 void OtkWidget::ungrabKeyboard(void)
 {
+  if (! _grabbed_keyboard)
+    return;
 
+  XUngrabKeyboard(otk::OBDisplay::display, CurrentTime);
+  _grabbed_keyboard = false;
 }
 
 void OtkWidget::setTexture(BTexture *texture)
 {
-  texture = texture;
+  if (!texture && !_texture)
+    return;
+
+  Pixmap old = _bg_pixmap;
+
+  if (texture)
+    _texture = texture;
+
+  _bg_pixmap = _texture->render(_rect.width(), _rect.height(), _bg_pixmap);
+
+  if (_bg_pixmap != old)
+    XSetWindowBackgroundPixmap(otk::OBDisplay::display, _window, _bg_pixmap);
+  
+  //XSetWindowBackground(otk::OBDisplay::display, win, pix);
 }
 
-void OtkWidget::addChild(OtkWidget *child)
+void OtkWidget::addChild(OtkWidget *child, bool front)
 {
-  child = child;
+  assert(child);
+  if (front)
+    _children.push_front(child);
+  else
+    _children.push_back(child);
 }
 
 void OtkWidget::removeChild(OtkWidget *child)
 {
-  child = child;
+  OtkWidgetList::iterator it, end = _children.end();
+  for (; it != end; ++it) {
+    if ((*it) == child)
+      break;
+  }
+
+  if (it != _children.end())
+    _children.erase(it);
 }
 
 }

otk/widget.hh

@@ -4,6 +4,7 @@
 #include "rect.hh"
 #include "point.hh"
 #include "texture.hh"
+#include "style.hh"
 
 namespace otk {
 
@@ -11,10 +12,13 @@ class OtkWidget {
 
 public:
 
+  enum Direction { Horizontal, Vertical };
+
   typedef std::list<OtkWidget *> OtkWidgetList;
 
-  OtkWidget(OtkWidget *parent);
+  OtkWidget(OtkWidget *parent, Direction = Horizontal);
-  OtkWidget(unsigned int screen, Cursor);
+  OtkWidget(Style *style, Direction direction = Horizontal,
+            Cursor cursor = 0, int bevel_width = 1);
 
   virtual ~OtkWidget();
 
@@ -40,7 +44,6 @@ public:
 
   inline bool isFocused(void) const { return _focused; };
   virtual void focus(void);
-  virtual void blur(void);
 
   inline bool hasGrabbedMouse(void) const { return _grabbed_mouse; }
   bool grabMouse(void);
@@ -51,9 +54,9 @@ public:
   void ungrabKeyboard(void);
 
   inline const BTexture *getTexture(void) const { return _texture; }
-  virtual void setTexture(BTexture *texture);
+  virtual void setTexture(BTexture *texture = 0);
 
-  virtual void addChild(OtkWidget *child);
+  virtual void addChild(OtkWidget *child, bool front = false);
   virtual void removeChild(OtkWidget *child);
 
   inline bool getStretchableHorz(void) const { return _stretchable_horz; }
@@ -64,6 +67,16 @@ public:
 
   inline Cursor getCursor(void) const { return _cursor; }
 
+  inline int getBevelWidth(void) const { return _bevel_width; }
+  void setBevelWidth(int bevel_width)
+  { assert(bevel_width > 0); _bevel_width = bevel_width; }
+
+  inline Direction getDirection(void) const { return _direction; }
+  void setDirection(Direction dir) { _direction = dir; }
+
+  inline Style *getStyle(void) const { return _style; }
+  void setStyle(Style *style) { _style = style; }
+
 private:
 
   void create(void);
@@ -73,6 +86,11 @@ private:
   OtkWidget *_parent;
   OtkWidgetList _children;
  
+  Style *_style;
+  Direction _direction;
+  Cursor _cursor;
+  int _bevel_width;
+
   bool _visible;
   bool _focused;
 
@@ -83,11 +101,10 @@ private:
   bool _stretchable_horz;
 
   BTexture *_texture;
+  Pixmap _bg_pixmap;
 
   Rect _rect;
   unsigned int _screen;
-
-  Cursor _cursor;
 };
 
 }