Dogcows Code - chaz/openbox/blob - src/frame.cc

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2
   3 #ifdef HAVE_CONFIG_H
   4 # include "../config.h"
   5 #endif
   6
   7 #include "frame.hh"
   8 #include "client.hh"
   9 #include "otk/display.hh"
  10
  11 namespace ob {
  12
  13 OBFrame::OBFrame(const OBClient *client, const otk::Style *style)
  14   : _client(client),
  15     _screen(otk::OBDisplay::screenInfo(client->screen()))
  16 {
  17   assert(client);
  18   assert(style);
  19
  20   _style = 0;
  21   loadStyle(style);
  22
  23   _window = createFrame();
  24   assert(_window);
  25
  26   grabClient();
  27 }
  28
  29
  30 OBFrame::~OBFrame()
  31 {
  32   releaseClient(false);
  33 }
  34
  35
  36 void OBFrame::loadStyle(const otk::Style *style)
  37 {
  38   assert(style);
  39
  40   // if a style was previously set, then 'replace' is true, cause we're
  41   // replacing a style
  42   // NOTE: if this is false, then DO NOT DO SHIT WITH _window, it doesnt exist
  43   bool replace = (_style);
  44
  45   if (replace) {
  46     // XXX: do shit here whatever
  47   }
  48
  49   _style = style;
  50
  51   // XXX: load shit like this from the style!
  52   _size.left = _size.top = _size.bottom = _size.right = 2;
  53
  54   if (replace) {
  55     XSetWindowBorderWidth(otk::OBDisplay::display, _window,
  56                           _style->getBorderWidth());
  57
  58     // XXX: make everything redraw
  59   }
  60 }
  61
  62
  63 void OBFrame::resize()
  64 {
  65   XResizeWindow(otk::OBDisplay::display, _window,
  66                 _size.left + _size.right + _client->area().width(),
  67                 _size.top + _size.bottom + _client->area().height());
  68   // XXX: more is gunna have to happen here
  69 }
  70
  71
  72 void OBFrame::shape()
  73 {
  74   // XXX: if shaped, shape the frame to the client..
  75 }
  76
  77
  78 void OBFrame::grabClient()
  79 {
  80
  81   XGrabServer(otk::OBDisplay::display);
  82
  83   // select the event mask on the frame
  84   XSelectInput(otk::OBDisplay::display, _window, SubstructureRedirectMask);
  85
  86   // reparent the client to the frame
  87   XSelectInput(otk::OBDisplay::display, _client->window(),
  88                OBClient::event_mask & ~StructureNotifyMask);
  89   XReparentWindow(otk::OBDisplay::display, _client->window(), _window, 0, 0);
  90   XSelectInput(otk::OBDisplay::display, _client->window(),
  91                OBClient::event_mask);
  92
  93   // raise the client above the frame
  94   XRaiseWindow(otk::OBDisplay::display, _client->window());
  95   // map the client so it maps when the frame does
  96   XMapWindow(otk::OBDisplay::display, _client->window());
  97
  98   XUngrabServer(otk::OBDisplay::display);
  99
 100   resize();
 101   shape();
 102 }
 103
 104
 105 void OBFrame::releaseClient(bool remap)
 106 {
 107   // check if the app has already reparented its window to the root window
 108   XEvent ev;
 109   if (XCheckTypedWindowEvent(otk::OBDisplay::display, _client->window(),
 110                              ReparentNotify, &ev)) {
 111     remap = true; // XXX: why do we remap the window if they already
 112                   // reparented to root?
 113   } else {
 114     // according to the ICCCM - if the client doesn't reparent to
 115     // root, then we have to do it for them
 116     XReparentWindow(otk::OBDisplay::display, _client->window(),
 117                     _screen->getRootWindow(),
 118                     _client->area().x(), _client->area().y());
 119   }
 120
 121   // if we want to remap the window, do so now
 122   if (remap)
 123     XMapWindow(otk::OBDisplay::display, _client->window());
 124 }
 125
 126
 127 Window OBFrame::createFrame()
 128 {
 129   XSetWindowAttributes attrib_create;
 130   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWColormap |
 131                               CWOverrideRedirect | CWEventMask;
 132
 133   attrib_create.background_pixmap = None;
 134   attrib_create.colormap = _screen->getColormap();
 135   attrib_create.override_redirect = True;
 136   attrib_create.event_mask = EnterWindowMask | LeaveWindowMask | ButtonPress;
 137   /*
 138     We catch button presses because other wise they get passed down to the
 139     root window, which will then cause root menus to show when you click the
 140     window's frame.
 141   */
 142
 143   return XCreateWindow(otk::OBDisplay::display, _screen->getRootWindow(),
 144                        0, 0, 1, 1, _style->getBorderWidth(),
 145                        _screen->getDepth(), InputOutput, _screen->getVisual(),
 146                        create_mask, &attrib_create);
 147 }
 148
 149 }