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

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