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 extern "C" {
   8 #ifdef    SHAPE
   9 #include <X11/extensions/shape.h>
  10 #endif // SHAPE
  11 }
  12
  13 #include "frame.hh"
  14 #include "client.hh"
  15 #include "otk/display.hh"
  16
  17 namespace ob {
  18
  19 OBFrame::OBFrame(const OBClient *client, const otk::Style *style)
  20   : _client(client),
  21     _screen(otk::OBDisplay::screenInfo(client->screen()))
  22 {
  23   assert(client);
  24   assert(style);
  25
  26   _style = 0;
  27   loadStyle(style);
  28
  29   _window = createFrame();
  30   assert(_window);
  31
  32   grabClient();
  33 }
  34
  35
  36 OBFrame::~OBFrame()
  37 {
  38   releaseClient(false);
  39 }
  40
  41
  42 void OBFrame::loadStyle(const otk::Style *style)
  43 {
  44   assert(style);
  45
  46   // if a style was previously set, then 'replace' is true, cause we're
  47   // replacing a style
  48   // NOTE: if this is false, then DO NOT DO SHIT WITH _window, it doesnt exist
  49   bool replace = (_style);
  50
  51   if (replace) {
  52     // XXX: do shit here whatever
  53   }
  54
  55   _style = style;
  56
  57   // XXX: load shit like this from the style!
  58   _size.left = _size.top = _size.bottom = _size.right = 2;
  59
  60   if (replace) {
  61     resize();
  62
  63     XSetWindowBorderWidth(otk::OBDisplay::display, _window,
  64                           _style->getBorderWidth());
  65
  66     XMoveWindow(otk::OBDisplay::display, _client->window(),
  67                 _size.left, _size.top);
  68
  69     // XXX: make everything redraw
  70   }
  71 }
  72
  73
  74 void OBFrame::resize()
  75 {
  76   XResizeWindow(otk::OBDisplay::display, _window,
  77                 _size.left + _size.right + _client->area().width(),
  78                 _size.top + _size.bottom + _client->area().height());
  79   // XXX: more is gunna have to happen here
  80 }
  81
  82
  83 void OBFrame::shape()
  84 {
  85 #ifdef SHAPE
  86   if (!_client->shaped()) {
  87     // clear the shape on the frame window
  88     XShapeCombineMask(otk::OBDisplay::display, _window, ShapeBounding,
  89                       _size.left - 2,//frame.margin.left - frame.border_w,
  90                       _size.top - 2,//frame.margin.top - frame.border_w,
  91                       None, ShapeSet);
  92   } else {
  93     // make the frame's shape match the clients
  94     XShapeCombineShape(otk::OBDisplay::display, _window, ShapeBounding,
  95                        _size.left - 2,
  96                        _size.top - 2,
  97                        _client->window(), ShapeBounding, ShapeSet);
  98
  99   int num = 0;
 100     XRectangle xrect[2];
 101
 102     /*
 103     if (decorations & Decor_Titlebar) {
 104     xrect[0].x = xrect[0].y = -frame.border_w;
 105     xrect[0].width = frame.rect.width();
 106     xrect[0].height = frame.title_h + (frame.border_w * 2);
 107     ++num;
 108     }
 109
 110     if (decorations & Decor_Handle) {
 111     xrect[1].x = -frame.border_w;
 112     xrect[1].y = frame.rect.height() - frame.margin.bottom +
 113     frame.mwm_border_w - frame.border_w;
 114     xrect[1].width = frame.rect.width();
 115     xrect[1].height = frame.handle_h + (frame.border_w * 2);
 116     ++num;
 117     }*/
 118
 119     XShapeCombineRectangles(otk::OBDisplay::display, _window,
 120                             ShapeBounding, 0, 0, xrect, num,
 121                             ShapeUnion, Unsorted);
 122   }
 123 #endif // SHAPE
 124 }
 125
 126
 127 void OBFrame::grabClient()
 128 {
 129
 130   XGrabServer(otk::OBDisplay::display);
 131
 132   // select the event mask on the frame
 133   XSelectInput(otk::OBDisplay::display, _window, SubstructureRedirectMask);
 134
 135   // reparent the client to the frame
 136   XSelectInput(otk::OBDisplay::display, _client->window(),
 137                OBClient::event_mask & ~StructureNotifyMask);
 138   XReparentWindow(otk::OBDisplay::display, _client->window(), _window,
 139                   _size.left, _size.top);
 140   XSelectInput(otk::OBDisplay::display, _client->window(),
 141                OBClient::event_mask);
 142
 143   // raise the client above the frame
 144   XRaiseWindow(otk::OBDisplay::display, _client->window());
 145   // map the client so it maps when the frame does
 146   XMapWindow(otk::OBDisplay::display, _client->window());
 147
 148   XUngrabServer(otk::OBDisplay::display);
 149
 150   resize();
 151   shape();
 152 }
 153
 154
 155 void OBFrame::releaseClient(bool remap)
 156 {
 157   // check if the app has already reparented its window to the root window
 158   XEvent ev;
 159   if (XCheckTypedWindowEvent(otk::OBDisplay::display, _client->window(),
 160                              ReparentNotify, &ev)) {
 161     remap = true; // XXX: why do we remap the window if they already
 162                   // reparented to root?
 163   } else {
 164     // according to the ICCCM - if the client doesn't reparent to
 165     // root, then we have to do it for them
 166     XReparentWindow(otk::OBDisplay::display, _client->window(),
 167                     _screen->getRootWindow(),
 168                     _client->area().x(), _client->area().y());
 169   }
 170
 171   // if we want to remap the window, do so now
 172   if (remap)
 173     XMapWindow(otk::OBDisplay::display, _client->window());
 174 }
 175
 176
 177 Window OBFrame::createFrame()
 178 {
 179   XSetWindowAttributes attrib_create;
 180   unsigned long create_mask = CWBackPixmap | CWBorderPixel | CWColormap |
 181                               CWOverrideRedirect | CWEventMask;
 182
 183   attrib_create.background_pixmap = None;
 184   attrib_create.colormap = _screen->getColormap();
 185   attrib_create.override_redirect = True;
 186   attrib_create.event_mask = EnterWindowMask | LeaveWindowMask | ButtonPress;
 187   /*
 188     We catch button presses because other wise they get passed down to the
 189     root window, which will then cause root menus to show when you click the
 190     window's frame.
 191   */
 192
 193   return XCreateWindow(otk::OBDisplay::display, _screen->getRootWindow(),
 194                        0, 0, 1, 1, _style->getBorderWidth(),
 195                        _screen->getDepth(), InputOutput, _screen->getVisual(),
 196                        create_mask, &attrib_create);
 197 }
 198
 199 }