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 "client.hh"
  13 #include "python.hh"
  14 #include "otk/strut.hh"
  15 #include "otk/rect.hh"
  16 #include "otk/renderstyle.hh"
  17 #include "otk/ustring.hh"
  18 #include "otk/surface.hh"
  19 #include "otk/eventhandler.hh"
  20
  21 #include <string>
  22 #include <vector>
  23
  24 namespace ob {
  25
  26 //! Varius geometry settings in the frame decorations
  27 struct FrameGeometry {
  28   int width; // title and handle
  29   int font_height;
  30   int title_height() { return font_height + bevel*2; }
  31   int label_width;
  32   int label_height() { return font_height; }
  33   int handle_height; // static, from the style
  34   int icon_x;        // x-position of the window icon button
  35   int title_x;       // x-position of the window title
  36   int iconify_x;     // x-position of the window iconify button
  37   int desktop_x;     // x-position of the window all-desktops button
  38   int max_x;         // x-position of the window maximize button
  39   int close_x;       // x-position of the window close button
  40   int handle_y;
  41   int button_size;   // static, from the style
  42   int grip_width() { return button_size * 2; }
  43   int bevel;         // static, from the style
  44   int bwidth;  // frame elements' border width
  45   int cbwidth; // client border width
  46 };
  47
  48 //! Holds and decorates a frame around an Client (client window)
  49 /*!
  50   The frame is responsible for calling XSelectInput on the client window's new
  51   parent with the SubstructureRedirectMask so that structure events for the
  52   client are sent to the window manager.
  53 */
  54 class Frame : public otk::StyleNotify, public otk::EventHandler {
  55 public:
  56
  57   //! The event mask to grab on frame windows
  58   static const long event_mask = EnterWindowMask | LeaveWindowMask;
  59
  60 private:
  61   Client *_client;
  62
  63   //! The size of the frame on each side of the client window
  64   otk::Strut _size;
  65
  66   //! The size of the frame on each side of the client window inside the border
  67   otk::Strut _innersize;
  68
  69   //! The position and size of the entire frame (including borders)
  70   otk::Rect _area;
  71
  72   bool _visible;
  73
  74   //! The decorations that are being displayed in the frame.
  75   Client::DecorationFlags _decorations;
  76
  77   // decoration windows
  78   Window  _frame;   // sits under everything
  79   Window  _plate;   // sits entirely under the client window
  80   Window  _title;   // the titlebar
  81   Window  _label;   // the section of the titlebar which shows the window name
  82   Window  _handle;  // bottom bar
  83   Window  _lgrip;   // lefthand resize grab on the handle
  84   Window  _rgrip;   // righthand resize grab on the handle
  85   Window  _max;     // maximize button
  86   Window  _desk;    // all-desktops button
  87   Window  _iconify; // iconify button
  88   Window  _icon;    // window icon button
  89   Window  _close;   // close button
  90
  91   // surfaces for each
  92   otk::Surface  *_frame_sur;
  93   otk::Surface  *_title_sur;
  94   otk::Surface  *_label_sur;
  95   otk::Surface  *_handle_sur;
  96   otk::Surface  *_grip_sur;
  97   otk::Surface  *_max_sur;
  98   otk::Surface  *_desk_sur;
  99   otk::Surface  *_iconify_sur;
 100   otk::Surface  *_icon_sur;
 101   otk::Surface  *_close_sur;
 102
 103   otk::ustring _layout; // layout of the titlebar
 104
 105   bool _max_press;
 106   bool _desk_press;
 107   bool _iconify_press;
 108   bool _icon_press;
 109   bool _close_press;
 110   unsigned int _press_button; // mouse button that started the press
 111
 112   FrameGeometry geom;
 113
 114   void applyStyle(const otk::RenderStyle &style);
 115   void layoutTitle();
 116   void renderLabel();
 117   void renderMax();
 118   void renderDesk();
 119   void renderIconify();
 120   void renderClose();
 121   void renderIcon();
 122
 123 public:
 124   //! Constructs an Frame object for a client
 125   /*!
 126     @param client The client which will be decorated by the new Frame
 127   */
 128   Frame(Client *client);
 129   //! Destroys the Frame object
 130   virtual ~Frame();
 131
 132   //! Returns the size of the frame on each side of the client
 133   const otk::Strut& size() const { return _size; }
 134
 135   //! Set the style to decorate the frame with
 136   virtual void styleChanged(const otk::RenderStyle &style);
 137
 138   //! Reparents the client window from the root window onto the frame
 139   void grabClient();
 140   //! Reparents the client window back to the root window
 141   void releaseClient();
 142
 143   //! Update the frame's size to match the client
 144   void adjustSize();
 145   //! Update the frame's position to match the client
 146   void adjustPosition();
 147   //! Shape the frame window to the client window
 148   void adjustShape();
 149   //! Update the frame to match the client's new state (for things like toggle
 150   //! buttons, focus, and the title) XXX break this up
 151   void adjustState();
 152   void adjustFocus();
 153   void adjustTitle();
 154   void adjustIcon();
 155
 156   //! Applies gravity to the client's position to find where the frame should
 157   //! be positioned.
 158   /*!
 159     @return The proper coordinates for the frame, based on the client.
 160   */
 161   void clientGravity(int &x, int &y);
 162
 163   //! Reversly applies gravity to the frame's position to find where the client
 164   //! should be positioned.
 165   /*!
 166     @return The proper coordinates for the client, based on the frame.
 167   */
 168   void frameGravity(int &x, int &y);
 169
 170   //! The position and size of the frame window
 171   inline const otk::Rect& area() const { return _area; }
 172
 173   //! Returns if the frame is visible
 174   inline bool visible() const { return _visible; }
 175
 176   //! Shows the frame
 177   void show();
 178   //! Hides the frame
 179   void hide();
 180
 181   void buttonPressHandler(const XButtonEvent &e);
 182   void buttonReleaseHandler(const XButtonEvent &e);
 183
 184   //! Returns the MouseContext for the given window id
 185   /*!
 186     Returns '-1' if no valid mouse context exists in the frame for the given
 187     id.
 188   */
 189   ob::MouseContext::MC mouseContext(Window win) const;
 190
 191   //! Gets the window id of the frame's base top-level parent
 192   inline Window window() const { return _frame; }
 193   //! Gets the window id of the client's parent window
 194   inline Window plate() const { return _plate; }
 195
 196   //! Returns a null terminated array of the window ids that make up the
 197   //! frame's decorations.
 198   Window *allWindows() const;
 199 };
 200
 201 }
 202
 203 #endif // __frame_hh