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