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 int 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 int DecorationFlags;
 110
 111 private:
 112   Blackbox *blackbox;
 113   BScreen *screen;
 114   XAtom *xatom;
 115   BTimer *timer;
 116   BlackboxAttributes blackbox_attrib;
 117
 118   Time lastButtonPressTime;  // used for double clicks, when were we clicked
 119   Windowmenu *windowmenu;
 120
 121   unsigned int window_number;
 122   unsigned long current_state;
 123
 124   enum FocusMode { F_NoInput = 0, F_Passive,
 125                    F_LocallyActive, F_GloballyActive };
 126   FocusMode focus_mode;
 127
 128   struct _flags {
 129     bool moving,             // is moving?
 130       resizing,              // is resizing?
 131       shaded,                // is shaded?
 132       visible,               // is visible?
 133       iconic,                // is iconified?
 134       focused,               // has focus?
 135       stuck,                 // is omnipresent
 136       modal,                 // is modal? (must be dismissed to continue)
 137       send_focus_message,    // should we send focus messages to our client?
 138       shaped;                // does the frame use the shape extension?
 139     unsigned int maximized;  // maximize is special, the number corresponds
 140                              // with a mouse button
 141                              // if 0, not maximized
 142                              // 1 = HorizVert, 2 = Vertical, 3 = Horizontal
 143   } flags;
 144
 145   struct _client {
 146     Window window,                  // the client's window
 147       window_group;
 148     BlackboxWindow *transient_for;  // which window are we a transient for?
 149     BlackboxWindowList transientList; // which windows are our transients?
 150
 151     std::string title, icon_title;
 152
 153     Rect rect;
 154
 155     int old_bw;                       // client's borderwidth
 156
 157     unsigned int
 158       min_width, min_height,        // can not be resized smaller
 159       max_width, max_height,        // can not be resized larger
 160       width_inc, height_inc,        // increment step
 161       min_aspect_x, min_aspect_y,   // minimum aspect ratio
 162       max_aspect_x, max_aspect_y,   // maximum aspect ratio
 163       base_width, base_height,
 164       win_gravity;
 165
 166     unsigned long initial_state, normal_hint_flags, wm_hint_flags;
 167   } client;
 168
 169   FunctionFlags functions;
 170   /*
 171    * what decorations do we have?
 172    * this is based on the type of the client window as well as user input
 173    * the menu is not really decor, but it goes hand in hand with the decor
 174    */
 175   DecorationFlags decorations;
 176
 177   /*
 178    * client window = the application's window
 179    * frame window = the window drawn around the outside of the client window
 180    *                by the window manager which contains items like the
 181    *                titlebar and close button
 182    * title = the titlebar drawn above the client window, it displays the
 183    *         window's name and any buttons for interacting with the window,
 184    *         such as iconify, maximize, and close
 185    * label = the window in the titlebar where the title is drawn
 186    * buttons = maximize, iconify, close
 187    * handle = the bar drawn at the bottom of the window, which contains the
 188    *          left and right grips used for resizing the window
 189    * grips = the smaller reactangles in the handle, one of each side of it.
 190    *         When clicked and dragged, these resize the window interactively
 191    * border = the line drawn around the outside edge of the frame window,
 192    *          between the title, the bordered client window, and the handle.
 193    *          Also drawn between the grips and the handle
 194    */
 195
 196   struct _frame {
 197     // u -> unfocused, f -> has focus
 198     unsigned long ulabel_pixel, flabel_pixel, utitle_pixel,
 199       ftitle_pixel, uhandle_pixel, fhandle_pixel, ubutton_pixel,
 200       fbutton_pixel, pbutton_pixel, uborder_pixel, fborder_pixel,
 201       ugrip_pixel, fgrip_pixel;
 202     Pixmap ulabel, flabel, utitle, ftitle, uhandle, fhandle,
 203       ubutton, fbutton, pbutton, ugrip, fgrip;
 204
 205     Window window,       // the frame
 206       plate,             // holds the client
 207       title,
 208       label,
 209       handle,
 210       close_button, iconify_button, maximize_button,
 211       right_grip, left_grip;
 212
 213     /*
 214      * size and location of the box drawn while the window dimensions or
 215      * location is being changed, ie. resized or moved
 216      */
 217     Rect changing;
 218
 219     Rect rect;                  // frame geometry
 220     Strut margin;               // margins between the frame and client
 221
 222     int grab_x, grab_y;         // where was the window when it was grabbed?
 223
 224     unsigned int inside_w, inside_h, // window w/h without border_w
 225       title_h, label_w, label_h, handle_h,
 226       button_w, grip_w, mwm_border_w, border_w,
 227       bevel_w;
 228   } frame;
 229
 230   BlackboxWindow(const BlackboxWindow&);
 231   BlackboxWindow& operator=(const BlackboxWindow&);
 232
 233   bool getState(void);
 234   Window createToplevelWindow();
 235   Window createChildWindow(Window parent, Cursor = None);
 236
 237   void getWMName(void);
 238   void getWMIconName(void);
 239   void getWMNormalHints(void);
 240   void getWMProtocols(void);
 241   void getWMHints(void);
 242   void getMWMHints(void);
 243   bool getBlackboxHints(void);
 244   void getTransientInfo(void);
 245   void setNetWMAttributes(void);
 246   void associateClientWindow(void);
 247   void decorate(void);
 248   void decorateLabel(void);
 249   void positionButtons(bool redecorate_label = False);
 250   void positionWindows(void);
 251   void createHandle(void);
 252   void destroyHandle(void);
 253   void createTitlebar(void);
 254   void destroyTitlebar(void);
 255   void createCloseButton(void);
 256   void destroyCloseButton(void);
 257   void createIconifyButton(void);
 258   void destroyIconifyButton(void);
 259   void createMaximizeButton(void);
 260   void destroyMaximizeButton(void);
 261   void redrawLabel(void);
 262   void redrawAllButtons(void);
 263   void redrawCloseButton(bool pressed);
 264   void redrawIconifyButton(bool pressed);
 265   void redrawMaximizeButton(bool pressed);
 266   void restoreGravity(void);
 267   void setGravityOffsets(void);
 268   void setState(unsigned long new_state);
 269   void upsize(void);
 270
 271   enum Corner { TopLeft, TopRight };
 272   void constrain(Corner anchor, int *pw = 0, int *ph = 0);
 273
 274 public:
 275   BlackboxWindow(Blackbox *b, Window w, BScreen *s);
 276   virtual ~BlackboxWindow(void);
 277
 278   inline bool isTransient(void) const { return client.transient_for != 0; }
 279   inline bool isFocused(void) const { return flags.focused; }
 280   inline bool isVisible(void) const { return flags.visible; }
 281   inline bool isIconic(void) const { return flags.iconic; }
 282   inline bool isShaded(void) const { return flags.shaded; }
 283   inline bool isMaximized(void) const { return flags.maximized; }
 284   inline bool isStuck(void) const { return flags.stuck; }
 285   inline bool isIconifiable(void) const { return functions & Func_Iconify; }
 286   inline bool isMaximizable(void) const { return functions & Func_Maximize; }
 287   inline bool isResizable(void) const { return functions & Func_Resize; }
 288   inline bool isClosable(void) const { return functions & Func_Close; }
 289
 290   inline bool hasTitlebar(void) const { return decorations & Decor_Titlebar; }
 291
 292   inline const BlackboxWindowList &getTransients(void) const
 293   { return client.transientList; }
 294   BlackboxWindow *getTransientFor(void) const;
 295
 296   inline BScreen *getScreen(void) { return screen; }
 297
 298   inline Window getFrameWindow(void) const { return frame.window; }
 299   inline Window getClientWindow(void) const { return client.window; }
 300   inline Window getGroupWindow(void) const { return client.window_group; }
 301
 302   inline Windowmenu * getWindowmenu(void) { return windowmenu; }
 303
 304   inline const char *getTitle(void) const
 305   { return client.title.c_str(); }
 306   inline const char *getIconTitle(void) const
 307   { return client.icon_title.c_str(); }
 308
 309   inline unsigned int getWorkspaceNumber(void) const
 310   { return blackbox_attrib.workspace; }
 311   inline unsigned int getWindowNumber(void) const { return window_number; }
 312
 313   inline const Rect &frameRect(void) const { return frame.rect; }
 314   inline const Rect &clientRect(void) const { return client.rect; }
 315
 316   inline unsigned int getTitleHeight(void) const
 317   { return frame.title_h; }
 318
 319   inline void setWindowNumber(int n) { window_number = n; }
 320
 321   bool validateClient(void);
 322   bool setInputFocus(void);
 323
 324   void setFocusFlag(bool focus);
 325   void iconify(void);
 326   void deiconify(bool reassoc = True, bool raise = True);
 327   void show(void);
 328   void close(void);
 329   void withdraw(void);
 330   void maximize(unsigned int button);
 331   void remaximize(void);
 332   void shade(void);
 333   void stick(void);
 334   void unstick(void);
 335   void reconfigure(void);
 336   void updateFocusModel(void);
 337   void installColormap(bool install);
 338   void restore(bool remap);
 339   void configure(int dx, int dy, unsigned int dw, unsigned int dh);
 340   void setWorkspace(unsigned int n);
 341   void changeBlackboxHints(BlackboxHints *net);
 342   void restoreAttributes(void);
 343
 344   void buttonPressEvent(XButtonEvent *be);
 345   void buttonReleaseEvent(XButtonEvent *re);
 346   void motionNotifyEvent(XMotionEvent *me);
 347   void destroyNotifyEvent(XDestroyWindowEvent */*unused*/);
 348   void mapRequestEvent(XMapRequestEvent *mre);
 349   void unmapNotifyEvent(XUnmapEvent */*unused*/);
 350   void reparentNotifyEvent(XReparentEvent */*unused*/);
 351   void propertyNotifyEvent(Atom atom);
 352   void exposeEvent(XExposeEvent *ee);
 353   void configureRequestEvent(XConfigureRequestEvent *cr);
 354
 355 #ifdef    SHAPE
 356   void configureShape(void);
 357   void shapeEvent(XShapeEvent * /*unused*/);
 358 #endif // SHAPE
 359
 360   virtual void timeout(void);
 361 };
 362
 363
 364 #endif // __Window_hh