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
  42 #define MwmHintsFunctions     (1l << 0)
  43 #define MwmHintsDecorations   (1l << 1)
  44
  45 #define MwmFuncAll            (1l << 0)
  46 #define MwmFuncResize         (1l << 1)
  47 #define MwmFuncMove           (1l << 2)
  48 #define MwmFuncIconify        (1l << 3)
  49 #define MwmFuncMaximize       (1l << 4)
  50 #define MwmFuncClose          (1l << 5)
  51
  52 #define MwmDecorAll           (1l << 0)
  53 #define MwmDecorBorder        (1l << 1)
  54 #define MwmDecorHandle        (1l << 2)
  55 #define MwmDecorTitle         (1l << 3)
  56 #define MwmDecorMenu          (1l << 4) // not used
  57 #define MwmDecorIconify       (1l << 5)
  58 #define MwmDecorMaximize      (1l << 6)
  59
  60 // this structure only contains 3 elements... the Motif 2.0 structure contains
  61 // 5... we only need the first 3... so that is all we will define
  62 typedef struct MwmHints {
  63   unsigned long flags, functions, decorations;
  64 } MwmHints;
  65
  66 #define PropMwmHintsElements  3
  67
  68 class BWindowGroup {
  69 private:
  70   Blackbox *blackbox;
  71   Window group;
  72   BlackboxWindowList windowList;
  73
  74 public:
  75   BWindowGroup(Blackbox *b, Window _group);
  76   ~BWindowGroup(void);
  77
  78   inline Window groupWindow(void) const { return group; }
  79
  80   inline bool empty(void) const { return windowList.empty(); }
  81
  82   void addWindow(BlackboxWindow *w) { windowList.push_back(w); }
  83   void removeWindow(BlackboxWindow *w) { windowList.remove(w); }
  84
  85   /*
  86     find a window on the specified screen. the focused window (if any) is
  87     checked first, otherwise the first matching window found is returned.
  88     transients are returned only if allow_transients is True.
  89   */
  90   BlackboxWindow *find(BScreen *screen, bool allow_transients = False) const;
  91 };
  92
  93
  94 class BlackboxWindow : public TimeoutHandler {
  95 public:
  96   enum Function { Func_Resize   = (1l << 0),
  97                   Func_Move     = (1l << 1),
  98                   Func_Iconify  = (1l << 2),
  99                   Func_Maximize = (1l << 3),
 100                   Func_Close    = (1l << 4) };
 101   typedef unsigned char FunctionFlags;
 102
 103   enum Decoration { Decor_Titlebar = (1l << 0),
 104                     Decor_Handle   = (1l << 1),
 105                     Decor_Border   = (1l << 2),
 106                     Decor_Iconify  = (1l << 3),
 107                     Decor_Maximize = (1l << 4),
 108                     Decor_Close    = (1l << 5) };
 109   typedef unsigned char DecorationFlags;
 110
 111   enum WindowType { Type_Desktop,
 112                     Type_Dock,
 113                     Type_Toolbar,
 114                     Type_Menu,
 115                     Type_Utility,
 116                     Type_Splash,
 117                     Type_Dialog,
 118                     Type_Normal };
 119
 120   enum Corner { TopLeft,
 121                 TopRight,
 122                 BottomLeft,
 123                 BottomRight };
 124
 125 private:
 126   Blackbox *blackbox;
 127   BScreen *screen;
 128   XAtom *xatom;
 129   BTimer *timer;
 130   BlackboxAttributes blackbox_attrib;
 131
 132   Time lastButtonPressTime;  // used for double clicks, when were we clicked
 133   Windowmenu *windowmenu;
 134
 135   unsigned int window_number;
 136   unsigned long current_state;
 137   unsigned int mod_mask;    // the mod mask used to grab buttons
 138
 139   enum FocusMode { F_NoInput = 0, F_Passive,
 140                    F_LocallyActive, F_GloballyActive };
 141   FocusMode focus_mode;
 142
 143   struct _flags {
 144     bool moving,             // is moving?
 145       resizing,              // is resizing?
 146       shaded,                // is shaded?
 147       visible,               // is visible?
 148       iconic,                // is iconified?
 149       focused,               // has focus?
 150       stuck,                 // is omnipresent?
 151       modal,                 // is modal? (must be dismissed to continue)
 152       skip_taskbar,          // skipped by taskbars?
 153       skip_pager,            // skipped by pagers?
 154       fullscreen,            // a fullscreen window?
 155       send_focus_message,    // should we send focus messages to our client?
 156       shaped;                // does the frame use the shape extension?
 157     unsigned int maximized;  // maximize is special, the number corresponds
 158                              // with a mouse button
 159                              // if 0, not maximized
 160                              // 1 = HorizVert, 2 = Vertical, 3 = Horizontal
 161   } flags;
 162
 163   struct _client {
 164     Window window,                  // the client's window
 165       window_group;
 166     BlackboxWindow *transient_for;  // which window are we a transient for?
 167     BlackboxWindowList transientList; // which windows are our transients?
 168
 169     std::string title, icon_title;
 170
 171     Rect rect;
 172     Strut strut;
 173
 174     int old_bw;                       // client's borderwidth
 175
 176     unsigned int
 177       min_width, min_height,        // can not be resized smaller
 178       max_width, max_height,        // can not be resized larger
 179       width_inc, height_inc,        // increment step
 180 #if 0 // not supported at the moment
 181       min_aspect_x, min_aspect_y,   // minimum aspect ratio
 182       max_aspect_x, max_aspect_y,   // maximum aspect ratio
 183 #endif
 184       base_width, base_height,
 185       win_gravity;
 186
 187     unsigned long initial_state, normal_hint_flags;
 188   } client;
 189
 190   FunctionFlags functions;
 191   /*
 192    * what decorations do we have?
 193    * this is based on the type of the client window as well as user input
 194    */
 195   DecorationFlags decorations;
 196   DecorationFlags mwm_decorations;
 197   Corner resize_dir;
 198   WindowType window_type;
 199
 200   /*
 201    * client window = the application's window
 202    * frame window = the window drawn around the outside of the client window
 203    *                by the window manager which contains items like the
 204    *                titlebar and close button
 205    * title = the titlebar drawn above the client window, it displays the
 206    *         window's name and any buttons for interacting with the window,
 207    *         such as iconify, maximize, and close
 208    * label = the window in the titlebar where the title is drawn
 209    * buttons = maximize, iconify, close
 210    * handle = the bar drawn at the bottom of the window, which contains the
 211    *          left and right grips used for resizing the window
 212    * grips = the smaller reactangles in the handle, one of each side of it.
 213    *         When clicked and dragged, these resize the window interactively
 214    * border = the line drawn around the outside edge of the frame window,
 215    *          between the title, the bordered client window, and the handle.
 216    *          Also drawn between the grips and the handle
 217    */
 218
 219   struct _frame {
 220     // u -> unfocused, f -> has focus
 221     unsigned long ulabel_pixel, flabel_pixel, utitle_pixel,
 222       ftitle_pixel, uhandle_pixel, fhandle_pixel, ubutton_pixel,
 223       fbutton_pixel, pbutton_pixel, uborder_pixel, fborder_pixel,
 224       ugrip_pixel, fgrip_pixel;
 225     Pixmap ulabel, flabel, utitle, ftitle, uhandle, fhandle,
 226       ubutton, fbutton, pbutton, ugrip, fgrip;
 227
 228     Window window,       // the frame
 229       plate,             // holds the client
 230       title,
 231       label,
 232       handle,
 233       close_button, iconify_button, maximize_button,
 234       right_grip, left_grip;
 235
 236     /*
 237      * size and location of the box drawn while the window dimensions or
 238      * location is being changed, ie. resized or moved
 239      */
 240     Rect changing;
 241
 242     Rect rect;                  // frame geometry
 243     Strut margin;               // margins between the frame and client
 244
 245     int grab_x, grab_y;         // where was the window when it was grabbed?
 246
 247     unsigned int inside_w, inside_h, // window w/h without border_w
 248       title_h, label_w, label_h, handle_h,
 249       button_w, grip_w, mwm_border_w, border_w,
 250       bevel_w;
 251   } frame;
 252
 253   BlackboxWindow(const BlackboxWindow&);
 254   BlackboxWindow& operator=(const BlackboxWindow&);
 255
 256   bool getState(void);
 257   Window createToplevelWindow();
 258   Window createChildWindow(Window parent, Cursor = None);
 259
 260   bool getWindowType(void);
 261   void updateStrut(void);
 262   void getWMName(void);
 263   void getWMIconName(void);
 264   void getWMNormalHints(void);
 265   void getWMProtocols(void);
 266   void getWMHints(void);
 267   void getNetWMHints(void);
 268   void getMWMHints(void);
 269   bool getBlackboxHints(void);
 270   void getTransientInfo(void);
 271   void setNetWMAttributes(void);
 272   void associateClientWindow(void);
 273   void decorate(void);
 274   void decorateLabel(void);
 275   void positionButtons(bool redecorate_label = False);
 276   void positionWindows(void);
 277   void createHandle(void);
 278   void destroyHandle(void);
 279   void createTitlebar(void);
 280   void destroyTitlebar(void);
 281   void createCloseButton(void);
 282   void destroyCloseButton(void);
 283   void createIconifyButton(void);
 284   void destroyIconifyButton(void);
 285   void createMaximizeButton(void);
 286   void destroyMaximizeButton(void);
 287   void redrawWindowFrame(void) const;
 288   void redrawLabel(void) const;
 289   void redrawAllButtons(void) const;
 290   void redrawCloseButton(bool pressed) const;
 291   void redrawIconifyButton(bool pressed) const;
 292   void redrawMaximizeButton(bool pressed) const;
 293   void applyGravity(Rect &r);
 294   void restoreGravity(Rect &r);
 295   void setAllowedActions(void);
 296   void setState(unsigned long new_state);
 297   void upsize(void);
 298   void doMove(int x_root, int y_root);
 299   bool doWorkspaceWarping(int x_root, int y_root, int dx, int dy);
 300   void doWindowSnapping(int &dx, int &dy);
 301   void endMove(void);
 302   void doResize(int x_root, int y_root);
 303   void endResize(void);
 304
 305   void constrain(Corner anchor, unsigned int *pw = 0, unsigned int *ph = 0);
 306
 307 public:
 308   BlackboxWindow(Blackbox *b, Window w, BScreen *s);
 309   virtual ~BlackboxWindow(void);
 310
 311   inline bool isTransient(void) const { return client.transient_for != 0; }
 312   inline bool isFocused(void) const { return flags.focused; }
 313   inline bool isVisible(void) const { return flags.visible; }
 314   inline bool isIconic(void) const { return flags.iconic; }
 315   inline bool isShaded(void) const { return flags.shaded; }
 316   inline bool isMaximized(void) const { return flags.maximized; }
 317   inline bool isMaximizedHoriz(void) const { return flags.maximized == 3; }
 318   inline bool isMaximizedVert(void) const { return flags.maximized == 2; }
 319   inline bool isMaximizedFull(void) const { return flags.maximized == 1; }
 320   inline bool isStuck(void) const { return flags.stuck; }
 321   inline bool isModal(void) const { return flags.modal; }
 322   inline bool isIconifiable(void) const { return functions & Func_Iconify; }
 323   inline bool isMaximizable(void) const { return functions & Func_Maximize; }
 324   inline bool isResizable(void) const { return functions & Func_Resize; }
 325   inline bool isClosable(void) const { return functions & Func_Close; }
 326
 327   // is a 'normal' window? meaning, a standard client application
 328   inline bool isNormal(void) const
 329   { return window_type == Type_Dialog || window_type == Type_Normal ||
 330            window_type == Type_Toolbar || window_type == Type_Utility; }
 331   inline bool isTopmost(void) const
 332   { return window_type == Type_Toolbar || window_type == Type_Utility; }
 333   inline bool isDesktop(void) const { return window_type == Type_Desktop; }
 334
 335   inline bool hasTitlebar(void) const { return decorations & Decor_Titlebar; }
 336
 337   inline const BlackboxWindowList &getTransients(void) const
 338   { return client.transientList; }
 339   BlackboxWindow *getTransientFor(void) const;
 340
 341   inline BScreen *getScreen(void) const { return screen; }
 342
 343   inline Window getFrameWindow(void) const { return frame.window; }
 344   inline Window getClientWindow(void) const { return client.window; }
 345   inline Window getGroupWindow(void) const { return client.window_group; }
 346
 347   inline Windowmenu * getWindowmenu(void) const { return windowmenu; }
 348
 349   inline const char *getTitle(void) const
 350   { return client.title.c_str(); }
 351   inline const char *getIconTitle(void) const
 352   { return client.icon_title.c_str(); }
 353
 354   inline unsigned int getWorkspaceNumber(void) const
 355   { return blackbox_attrib.workspace; }
 356   inline unsigned int getWindowNumber(void) const { return window_number; }
 357
 358   inline const Rect &frameRect(void) const { return frame.rect; }
 359   inline const Rect &clientRect(void) const { return client.rect; }
 360
 361   inline unsigned int getTitleHeight(void) const
 362   { return frame.title_h; }
 363
 364   inline void setWindowNumber(int n) { window_number = n; }
 365
 366   bool validateClient(void) const;
 367   bool setInputFocus(void);
 368
 369   // none of these are used by the window manager, they are here to persist
 370   // them properly in the window's netwm state property.
 371   inline bool skipTaskbar(void) const { return flags.skip_taskbar; }
 372   inline void setSkipTaskbar(const bool s) { flags.skip_taskbar = s; }
 373   inline bool skipPager(void) const { return flags.skip_pager; }
 374   inline void setSkipPager(const bool s) { flags.skip_pager = s; }
 375   inline bool isFullscreen(void) const { return flags.fullscreen; }
 376   inline void setFullscreen(const bool f) { flags.fullscreen = f; }
 377
 378   inline void setModal(const bool m) { flags.modal = m; }
 379
 380   void beginMove(int x_root, int y_root);
 381   void beginResize(int x_root, int y_root, Corner dir);
 382   void enableDecor(bool enable);
 383   void setupDecor();
 384   void setFocusFlag(bool focus);
 385   void iconify(void);
 386   void deiconify(bool reassoc = True, bool raise = True);
 387   void show(void);
 388   void close(void);
 389   void withdraw(void);
 390   void maximize(unsigned int button);
 391   void remaximize(void);
 392   void shade(void);
 393   void stick(void);
 394   void reconfigure(void);
 395   void grabButtons(void);
 396   void ungrabButtons(void);
 397   void installColormap(bool install);
 398   void restore(bool remap);
 399   void configure(int dx, int dy, unsigned int dw, unsigned int dh);
 400   void setWorkspace(unsigned int n);
 401   void changeBlackboxHints(const BlackboxHints *net);
 402   void restoreAttributes(void);
 403
 404   void buttonPressEvent(const XButtonEvent *be);
 405   void buttonReleaseEvent(const XButtonEvent *re);
 406   void motionNotifyEvent(const XMotionEvent *me);
 407   void destroyNotifyEvent(const XDestroyWindowEvent* /*unused*/);
 408   void mapRequestEvent(const XMapRequestEvent *mre);
 409   void unmapNotifyEvent(const XUnmapEvent* /*unused*/);
 410   void reparentNotifyEvent(const XReparentEvent* /*unused*/);
 411   void propertyNotifyEvent(const XPropertyEvent *pe);
 412   void exposeEvent(const XExposeEvent *ee);
 413   void configureRequestEvent(const XConfigureRequestEvent *cr);
 414   void enterNotifyEvent(const XCrossingEvent *ce);
 415   void leaveNotifyEvent(const XCrossingEvent* /*unused*/);
 416
 417 #ifdef    SHAPE
 418   void configureShape(void);
 419   void shapeEvent(XShapeEvent * /*unused*/);
 420 #endif // SHAPE
 421
 422   virtual void timeout(void);
 423 };
 424
 425
 426 #endif // __Window_hh