Dogcows Code - chaz/openbox/blob - src/frame.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 #ifndef   __frame_hh
   3 #define   __frame_hh
   4
   5 /*! @file frame.hh
   6 */
   7
   8 extern "C" {
   9 #include <X11/Xlib.h>
  10 }
  11
  12 #include "python.hh"
  13 #include "otk/strut.hh"
  14 #include "otk/rect.hh"
  15 #include "otk/renderstyle.hh"
  16 #include "otk/ustring.hh"
  17 #include "otk/surface.hh"
  18 #include "otk/eventhandler.hh"
  19
  20 #include <string>
  21 #include <vector>
  22
  23 namespace ob {
  24
  25 class Client;
  26
  27 //! Varius geometry settings in the frame decorations
  28 struct FrameGeometry {
  29   int width; // title and handle
  30   int font_height;
  31   int title_height() { return font_height + bevel*2; }
  32   int label_width;
  33   int label_height() { return font_height; }
  34   int handle_height; // static, from the style
  35   int icon_x;        // x-position of the window icon button
  36   int handle_y;
  37   int button_size;   // static, from the style
  38   int grip_width() { return button_size * 2; }
  39   int bevel;         // static, from the style
  40   int bwidth;  // frame elements' border width
  41   int cbwidth; // client border width
  42 };
  43
  44 //! Holds and decorates a frame around an Client (client window)
  45 /*!
  46   The frame is responsible for calling XSelectInput on the client window's new
  47   parent with the SubstructureRedirectMask so that structure events for the
  48   client are sent to the window manager.
  49 */
  50 class Frame : public otk::StyleNotify, public otk::EventHandler {
  51 public:
  52
  53   //! The event mask to grab on frame windows
  54   static const long event_mask = EnterWindowMask | LeaveWindowMask;
  55
  56 private:
  57   Client *_client;
  58
  59   //! The size of the frame on each side of the client window
  60   otk::Strut _size;
  61
  62   //! The size of the frame on each side of the client window inside the border
  63   otk::Strut _innersize;
  64
  65   //! The position and size of the entire frame (including borders)
  66   otk::Rect _area;
  67
  68   bool _visible;
  69
  70   // decoration windows
  71   Window  _frame;   // sits under everything
  72   Window  _plate;   // sits entirely under the client window
  73   Window  _title;   // the titlebar
  74   Window  _label;   // the section of the titlebar which shows the window name
  75   Window  _handle;  // bottom bar
  76   Window  _lgrip;   // lefthand resize grab on the handle
  77   Window  _rgrip;   // righthand resize grab on the handle
  78   Window  _max;     // maximize button
  79   Window  _desk;    // all-desktops button
  80   Window  _iconify; // iconify button
  81   Window  _icon;    // window icon button
  82   Window  _close;   // close button
  83
  84   // surfaces for each
  85   otk::Surface  *_frame_sur;
  86   otk::Surface  *_title_sur;
  87   otk::Surface  *_label_sur;
  88   otk::Surface  *_handle_sur;
  89   otk::Surface  *_grip_sur;
  90   otk::Surface  *_max_sur;
  91   otk::Surface  *_desk_sur;
  92   otk::Surface  *_iconify_sur;
  93   otk::Surface  *_icon_sur;
  94   otk::Surface  *_close_sur;
  95
  96   std::string _layout; // layout of the titlebar
  97
  98   bool _max_press;
  99   bool _desk_press;
 100   bool _iconify_press;
 101   bool _icon_press;
 102   bool _close_press;
 103   unsigned int _press_button; // mouse button that started the press
 104
 105   FrameGeometry geom;
 106
 107   void applyStyle(const otk::RenderStyle &style);
 108   void layoutTitle();
 109   void renderLabel();
 110   void renderMax();
 111   void renderDesk();
 112   void renderIconify();
 113   void renderClose();
 114   void renderIcon();
 115
 116 public:
 117   //! Constructs an Frame object for a client
 118   /*!
 119     @param client The client which will be decorated by the new Frame
 120   */
 121   Frame(Client *client);
 122   //! Destroys the Frame object
 123   virtual ~Frame();
 124
 125   //! Returns the size of the frame on each side of the client
 126   const otk::Strut& size() const { return _size; }
 127
 128   //! Set the style to decorate the frame with
 129   virtual void styleChanged(const otk::RenderStyle &style);
 130
 131   //! Reparents the client window from the root window onto the frame
 132   void grabClient();
 133   //! Reparents the client window back to the root window
 134   void releaseClient();
 135
 136   //! Update the frame's size to match the client
 137   void adjustSize();
 138   //! Update the frame's position to match the client
 139   void adjustPosition();
 140   //! Shape the frame window to the client window
 141   void adjustShape();
 142   //! Update the frame to match the client's new state (for things like toggle
 143   //! buttons, focus, and the title) XXX break this up
 144   void adjustState();
 145   void adjustFocus();
 146   void adjustTitle();
 147
 148   //! Applies gravity to the client's position to find where the frame should
 149   //! be positioned.
 150   /*!
 151     @return The proper coordinates for the frame, based on the client.
 152   */
 153   void clientGravity(int &x, int &y);
 154
 155   //! Reversly applies gravity to the frame's position to find where the client
 156   //! should be positioned.
 157   /*!
 158     @return The proper coordinates for the client, based on the frame.
 159   */
 160   void frameGravity(int &x, int &y);
 161
 162   //! The position and size of the frame window
 163   inline const otk::Rect& area() const { return _area; }
 164
 165   //! Returns if the frame is visible
 166   inline bool visible() const { return _visible; }
 167
 168   //! Shows the frame
 169   void show();
 170   //! Hides the frame
 171   void hide();
 172
 173   void buttonPressHandler(const XButtonEvent &e);
 174   void buttonReleaseHandler(const XButtonEvent &e);
 175
 176   //! Returns the MouseContext for the given window id
 177   /*!
 178     Returns '-1' if no valid mouse context exists in the frame for the given
 179     id.
 180   */
 181   ob::MouseContext::MC mouseContext(Window win) const;
 182
 183   //! Gets the window id of the frame's base top-level parent
 184   inline Window window() const { return _frame; }
 185   //! Gets the window id of the client's parent window
 186   inline Window plate() const { return _plate; }
 187
 188   //! Returns a null terminated array of the window ids that make up the
 189   //! frame's decorations.
 190   Window *allWindows() const;
 191 };
 192
 193 }
 194
 195 #endif // __frame_hh