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

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Window.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2002 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining a
   7 // copy of this software and associated documentation files (the "Software"),
   8 // to deal in the Software without restriction, including without limitation
   9 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10 // and/or sell copies of the Software, and to permit persons to whom the
  11 // Software is furnished to do so, subject to the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be included in
  14 // all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22 // DEALINGS IN THE SOFTWARE.
  23
  24 #ifndef   __Window_hh
  25 #define   __Window_hh
  26
  27 extern "C" {
  28 #include <X11/Xlib.h>
  29 #include <X11/Xutil.h>
  30 #ifdef    SHAPE
  31 #  include <X11/extensions/shape.h>
  32 #endif // SHAPE
  33 }
  34
  35 #include <string>
  36
  37 #include "BaseDisplay.hh"
  38 #include "Timer.hh"
  39 #include "Util.hh"
  40 #include "Windowmenu.hh"
  41 #include "Workspace.hh"
  42 #include "Screen.hh"
  43
  44 class XAtom;
  45 class BInput;
  46
  47 #define MwmHintsFunctions     (1l << 0)
  48 #define MwmHintsDecorations   (1l << 1)
  49
  50 #define MwmFuncAll            (1l << 0)
  51 #define MwmFuncResize         (1l << 1)
  52 #define MwmFuncMove           (1l << 2)
  53 #define MwmFuncIconify        (1l << 3)
  54 #define MwmFuncMaximize       (1l << 4)
  55 #define MwmFuncClose          (1l << 5)
  56
  57 #define MwmDecorAll           (1l << 0)
  58 #define MwmDecorBorder        (1l << 1)
  59 #define MwmDecorHandle        (1l << 2)
  60 #define MwmDecorTitle         (1l << 3)
  61 #define MwmDecorMenu          (1l << 4) // not used
  62 #define MwmDecorIconify       (1l << 5)
  63 #define MwmDecorMaximize      (1l << 6)
  64
  65 // this structure only contains 3 elements... the Motif 2.0 structure contains
  66 // 5... we only need the first 3... so that is all we will define
  67 typedef struct MwmHints {
  68   unsigned long flags, functions, decorations;
  69 } MwmHints;
  70
  71 #define PropMwmHintsElements  3
  72
  73 class BWindowGroup {
  74 private:
  75   Blackbox *blackbox;
  76   Window group;
  77   BlackboxWindowList windowList;
  78
  79 public:
  80   BWindowGroup(Blackbox *b, Window _group);
  81   ~BWindowGroup(void);
  82
  83   inline Window groupWindow(void) const { return group; }
  84
  85   inline bool empty(void) const { return windowList.empty(); }
  86
  87   void addWindow(BlackboxWindow *w) { windowList.push_back(w); }
  88   void removeWindow(BlackboxWindow *w) { windowList.remove(w); }
  89
  90   /*
  91     find a window on the specified screen. the focused window (if any) is
  92     checked first, otherwise the first matching window found is returned.
  93     transients are returned only if allow_transients is True.
  94   */
  95   BlackboxWindow *find(BScreen *screen, bool allow_transients = False) const;
  96 };
  97
  98
  99 class BlackboxWindow : public TimeoutHandler {
 100 public:
 101   enum Function { Func_Resize   = (1l << 0),
 102                   Func_Move     = (1l << 1),
 103                   Func_Iconify  = (1l << 2),
 104                   Func_Maximize = (1l << 3),
 105                   Func_Close    = (1l << 4) };
 106   typedef unsigned char FunctionFlags;
 107
 108   enum Decoration { Decor_Titlebar = (1l << 0),
 109                     Decor_Handle   = (1l << 1),
 110                     Decor_Border   = (1l << 2),
 111                     Decor_Iconify  = (1l << 3),
 112                     Decor_Maximize = (1l << 4),
 113                     Decor_Close    = (1l << 5) };
 114   typedef unsigned char DecorationFlags;
 115
 116   enum WindowType { Type_Desktop,
 117                     Type_Dock,
 118                     Type_Toolbar,
 119                     Type_Menu,
 120                     Type_Utility,
 121                     Type_Splash,
 122                     Type_Dialog,
 123                     Type_Normal };
 124
 125   enum Corner { TopLeft,
 126                 TopRight,
 127                 BottomLeft,
 128                 BottomRight };
 129
 130 private:
 131   Blackbox *blackbox;
 132   BScreen *screen;
 133   XAtom *xatom;
 134   BInput *input;
 135   BTimer *timer;
 136   BlackboxAttributes blackbox_attrib;
 137
 138   Time lastButtonPressTime;  // used for double clicks, when were we clicked
 139   Windowmenu *windowmenu;
 140
 141   unsigned int window_number;
 142   unsigned long current_state;
 143
 144   enum FocusMode { F_NoInput = 0, F_Passive,
 145                    F_LocallyActive, F_GloballyActive };
 146   FocusMode focus_mode;
 147
 148   struct _flags {
 149     bool moving,             // is moving?
 150       resizing,              // is resizing?
 151       shaded,                // is shaded?
 152       visible,               // is visible?
 153       iconic,                // is iconified?
 154       focused,               // has focus?
 155       stuck,                 // is omnipresent?
 156       modal,                 // is modal? (must be dismissed to continue)
 157       skip_taskbar,          // skipped by taskbars?
 158       skip_pager,            // skipped by pagers?
 159       fullscreen,            // a fullscreen window?
 160       send_focus_message,    // should we send focus messages to our client?
 161       shaped;                // does the frame use the shape extension?
 162     unsigned int maximized;  // maximize is special, the number corresponds
 163                              // with a mouse button
 164                              // if 0, not maximized
 165                              // 1 = HorizVert, 2 = Vertical, 3 = Horizontal
 166   } flags;
 167
 168   struct _client {
 169     Window window,                  // the client's window
 170       window_group;
 171     BlackboxWindow *transient_for;  // which window are we a transient for?
 172     BlackboxWindowList transientList; // which windows are our transients?
 173
 174     std::string title, icon_title;
 175
 176     Rect rect;
 177     Strut strut;
 178
 179     int old_bw;                       // client's borderwidth
 180
 181     unsigned int
 182       min_width, min_height,        // can not be resized smaller
 183       max_width, max_height,        // can not be resized larger
 184       width_inc, height_inc,        // increment step
 185       min_aspect_x, min_aspect_y,   // minimum aspect ratio
 186       max_aspect_x, max_aspect_y,   // maximum aspect ratio
 187       base_width, base_height,
 188       win_gravity;
 189
 190     unsigned long initial_state, normal_hint_flags, wm_hint_flags;
 191   } client;
 192
 193   FunctionFlags functions;
 194   /*
 195    * what decorations do we have?
 196    * this is based on the type of the client window as well as user input
 197    * the menu is not really decor, but it goes hand in hand with the decor
 198    */
 199   DecorationFlags decorations;
 200   Corner resize_dir;
 201   WindowType window_type;
 202
 203   /*
 204    * client window = the application's window
 205    * frame window = the window drawn around the outside of the client window
 206    *                by the window manager which contains items like the
 207    *                titlebar and close button
 208    * title = the titlebar drawn above the client window, it displays the
 209    *         window's name and any buttons for interacting with the window,
 210    *         such as iconify, maximize, and close
 211    * label = the window in the titlebar where the title is drawn
 212    * buttons = maximize, iconify, close
 213    * handle = the bar drawn at the bottom of the window, which contains the
 214    *          left and right grips used for resizing the window
 215    * grips = the smaller reactangles in the handle, one of each side of it.
 216    *         When clicked and dragged, these resize the window interactively
 217    * border = the line drawn around the outside edge of the frame window,
 218    *          between the title, the bordered client window, and the handle.
 219    *          Also drawn between the grips and the handle
 220    */
 221
 222   struct _frame {
 223     // u -> unfocused, f -> has focus
 224     unsigned long ulabel_pixel, flabel_pixel, utitle_pixel,
 225       ftitle_pixel, uhandle_pixel, fhandle_pixel, ubutton_pixel,
 226       fbutton_pixel, pbutton_pixel, uborder_pixel, fborder_pixel,
 227       ugrip_pixel, fgrip_pixel;
 228     Pixmap ulabel, flabel, utitle, ftitle, uhandle, fhandle,
 229       ubutton, fbutton, pbutton, ugrip, fgrip;
 230
 231     Window window,       // the frame
 232       plate,             // holds the client
 233       title,
 234       label,
 235       handle,
 236       close_button, iconify_button, maximize_button,
 237       right_grip, left_grip;
 238
 239     /*
 240      * size and location of the box drawn while the window dimensions or
 241      * location is being changed, ie. resized or moved
 242      */
 243     Rect changing;
 244
 245     Rect rect;                  // frame geometry
 246     Strut margin;               // margins between the frame and client
 247
 248     int grab_x, grab_y;         // where was the window when it was grabbed?
 249
 250     unsigned int inside_w, inside_h, // window w/h without border_w
 251       title_h, label_w, label_h, handle_h,
 252       button_w, grip_w, mwm_border_w, border_w,
 253       bevel_w;
 254   } frame;
 255
 256   BlackboxWindow(const BlackboxWindow&);
 257   BlackboxWindow& operator=(const BlackboxWindow&);
 258
 259   bool getState(void);
 260   Window createToplevelWindow();
 261   Window createChildWindow(Window parent, Cursor = None);
 262
 263   void getWindowType(void);
 264   void updateStrut(void);
 265   void getWMName(void);
 266   void getWMIconName(void);
 267   void getWMNormalHints(void);
 268   void getWMProtocols(void);
 269   void getWMHints(void);
 270   void getNetWMHints(void);
 271   void getMWMHints(void);
 272   bool getBlackboxHints(void);
 273   void getTransientInfo(void);
 274   bool isKDESystrayWindow(void);
 275   void setNetWMAttributes(void);
 276   void associateClientWindow(void);
 277   void decorate(void);
 278   void decorateLabel(void);
 279   void positionButtons(bool redecorate_label = False);
 280   void positionWindows(void);
 281   void createHandle(void);
 282   void destroyHandle(void);
 283   void createTitlebar(void);
 284   void destroyTitlebar(void);
 285   void createCloseButton(void);
 286   void destroyCloseButton(void);
 287   void createIconifyButton(void);
 288   void destroyIconifyButton(void);
 289   void createMaximizeButton(void);
 290   void destroyMaximizeButton(void);
 291   void redrawWindowFrame(void) const;
 292   void redrawLabel(void) const;
 293   void redrawAllButtons(void) const;
 294   void redrawCloseButton(bool pressed) const;
 295   void redrawIconifyButton(bool pressed) const;
 296   void redrawMaximizeButton(bool pressed) const;
 297   void applyGravity(Rect &r);
 298   void restoreGravity(Rect &r);
 299   void setAllowedActions(void);
 300   void setState(unsigned long new_state);
 301   void upsize(void);
 302   void doMove(int x_root, int y_root);
 303   void endMove(void);
 304   void doResize(int x_root, int y_root);
 305   void endResize(void);
 306
 307   void constrain(Corner anchor, int *pw = 0, int *ph = 0);
 308
 309 public:
 310   BlackboxWindow(Blackbox *b, Window w, BScreen *s);
 311   virtual ~BlackboxWindow(void);
 312
 313   inline bool isTransient(void) const { return client.transient_for != 0; }
 314   inline bool isFocused(void) const { return flags.focused; }
 315   inline bool isVisible(void) const { return flags.visible; }
 316   inline bool isIconic(void) const { return flags.iconic; }
 317   inline bool isShaded(void) const { return flags.shaded; }
 318   inline bool isMaximized(void) const { return flags.maximized; }
 319   inline bool isMaximizedHoriz(void) const { return flags.maximized == 3; }
 320   inline bool isMaximizedVert(void) const { return flags.maximized == 2; }
 321   inline bool isMaximizedFull(void) const { return flags.maximized == 1; }
 322   inline bool isStuck(void) const { return flags.stuck; }
 323   inline bool isModal(void) const { return flags.modal; }
 324   inline bool isIconifiable(void) const { return functions & Func_Iconify; }
 325   inline bool isMaximizable(void) const { return functions & Func_Maximize; }
 326   inline bool isResizable(void) const { return functions & Func_Resize; }
 327   inline bool isMovable(void) const { return functions & Func_Move; }
 328   inline bool isClosable(void) const { return functions & Func_Close; }
 329   inline bool isDesktop(void) const { return window_type == Type_Desktop; }
 330
 331   inline bool hasTitlebar(void) const { return decorations & Decor_Titlebar; }
 332
 333   inline const BlackboxWindowList &getTransients(void) const
 334   { return client.transientList; }
 335   BlackboxWindow *getTransientFor(void) const;
 336
 337   inline BScreen *getScreen(void) const { return screen; }
 338
 339   inline Window getFrameWindow(void) const { return frame.window; }
 340   inline Window getClientWindow(void) const { return client.window; }
 341   inline Window getGroupWindow(void) const { return client.window_group; }
 342
 343   inline Windowmenu * getWindowmenu(void) const { return windowmenu; }
 344
 345   inline const char *getTitle(void) const
 346   { return client.title.c_str(); }
 347   inline const char *getIconTitle(void) const
 348   { return client.icon_title.c_str(); }
 349
 350   inline unsigned int getWorkspaceNumber(void) const
 351   { return blackbox_attrib.workspace; }
 352   inline unsigned int getWindowNumber(void) const { return window_number; }
 353
 354   inline const Rect &frameRect(void) const { return frame.rect; }
 355   inline const Rect &clientRect(void) const { return client.rect; }
 356
 357   inline unsigned int getTitleHeight(void) const
 358   { return frame.title_h; }
 359
 360   inline void setWindowNumber(int n) { window_number = n; }
 361
 362   bool validateClient(void) const;
 363   bool setInputFocus(void);
 364
 365   // none of these are used by the window manager, they are here to persist
 366   // them properly in the window's netwm state property.
 367   inline bool skipTaskbar(void) const { return flags.skip_taskbar; }
 368   inline void setSkipTaskbar(const bool s) { flags.skip_taskbar = s; }
 369   inline bool skipPager(void) const { return flags.skip_pager; }
 370   inline void setSkipPager(const bool s) { flags.skip_pager = s; }
 371   inline bool isFullscreen(void) const { return flags.fullscreen; }
 372   inline void setFullscreen(const bool f) { flags.fullscreen = f; }
 373
 374   inline void setModal(const bool m) { flags.modal = m; }
 375
 376   void beginMove(int x_root, int y_root);
 377   void beginResize(int x_root, int y_root, Corner dir);
 378   void setFocusFlag(bool focus);
 379   void iconify(void);
 380   void deiconify(bool reassoc = True, bool raise = True);
 381   void show(void);
 382   void showWindowMenu(int root_x, int root_y);
 383   void close(void);
 384   void withdraw(void);
 385   void maximize(unsigned int button);
 386   void remaximize(void);
 387   void shade(void);
 388   void stick(void);
 389   void raise(void);
 390   void lower(void);
 391   void reconfigure(void);
 392   void grabButtons(void);
 393   void ungrabButtons(void);
 394   void installColormap(bool install);
 395   void restore(bool remap);
 396   void configure(int dx, int dy, unsigned int dw, unsigned int dh);
 397   void setWorkspace(unsigned int n);
 398   void changeBlackboxHints(BlackboxHints *net);
 399   void restoreAttributes(void);
 400
 401   void buttonPressEvent(const XButtonEvent *be);
 402   void buttonReleaseEvent(const XButtonEvent *re);
 403   void motionNotifyEvent(const XMotionEvent *me);
 404   void destroyNotifyEvent(const XDestroyWindowEvent */*unused*/);
 405   void mapRequestEvent(const XMapRequestEvent *mre);
 406   void unmapNotifyEvent(const XUnmapEvent */*unused*/);
 407   void reparentNotifyEvent(const XReparentEvent */*unused*/);
 408   void propertyNotifyEvent(Atom atom);
 409   void exposeEvent(const XExposeEvent *ee);
 410   void configureRequestEvent(const XConfigureRequestEvent *cr);
 411
 412 #ifdef    SHAPE
 413   void configureShape(void);
 414   void shapeEvent(XShapeEvent * /*unused*/);
 415 #endif // SHAPE
 416
 417   virtual void timeout(void);
 418 };
 419
 420
 421 #endif // __Window_hh