haiku/src/servers/app/server/ServerWindow.cpp

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: ServerWindow.cpp
// Author: DarkWyrm <bpmagic@columbus.rr.com>
// Description: Shadow BWindow class
//
//------------------------------------------------------------------------------
#include <AppDefs.h>
#include <Rect.h>
#include <string.h>
#include <stdio.h>
#include <Debug.h>
#include <View.h> // for B_XXXXX_MOUSE_BUTTON defines
#include "AppServer.h"
#include "Layer.h"
#include "PortLink.h"
#include "ServerWindow.h"
#include "ServerApp.h"
#include "ServerProtocol.h"
#include "WinBorder.h"
#include "Desktop.h"
#include "TokenHandler.h"
//! Handler to get BWindow tokens from
TokenHandler win_token_handler;
// defined in WinBorder.cpp. Locking is not necessary - the only
// _monitorthread which accesses them is the Poller _monitorthread
//! Used in window focus management
ServerWindow *active_serverwindow=NULL;
/*!
\brief Contructor
Sets up a lot of the stuff
*/
ServerWindow::ServerWindow(BRect rect, const char *string, uint32 wlook,
uint32 wfeel, uint32 wflags, ServerApp *winapp, port_id winport, uint32 index)
{
_title=new BString;
_title->SetTo( (string)?string:"Window" );
// This must happen before the WinBorder object - it needs this object's _frame
// to be valid
_frame=rect;
// set these early also - the _decorator will also need them
_flags=wflags;
_look=wlook;
_feel=wfeel;
_decorator=new_decorator(_frame,_title->String(),_look,_feel,_flags,GetGfxDriver());
_winborder=new WinBorder(_frame,_title->String(),0,wflags,this);
// _sender is the monitored _app's event port
_sender=winport;
_winlink=new PortLink(_sender);
_applink= (winapp)? new PortLink(winapp->_receiver) : NULL;
// _receiver is the port to which the _app sends messages for the server
_receiver=create_port(30,_title->String());
_active=false;
_hidecount=0;
// Spawn our message monitoring _monitorthread
_monitorthread=spawn_thread(MonitorWin,_title->String(),B_NORMAL_PRIORITY,this);
if(_monitorthread!=B_NO_MORE_THREADS && _monitorthread!=B_NO_MEMORY)
resume_thread(_monitorthread);
_workspace_index=index;
_workspace=NULL;
AddWindowToDesktop(this,index);
}
ServerWindow::~ServerWindow(void)
{
RemoveWindowFromDesktop(this);
if(_applink)
{
delete _applink;
_applink=NULL;
delete _title;
delete _winlink;
delete _decorator;
// TODO: uncomment this when we have WinBorder.h
// delete _winborder;
}
kill_thread(_monitorthread);
}
void ServerWindow::RequestDraw(BRect rect)
{
_winlink->SetOpCode(LAYER_DRAW);
_winlink->Attach(&rect,sizeof(BRect));
_winlink->Flush();
}
void ServerWindow::ReplaceDecorator(void)
{
}
void ServerWindow::Quit(void)
{
}
const char *ServerWindow::GetTitle(void)
{
return _title->String();
}
ServerApp *ServerWindow::GetApp(void)
{
return _app;
}
void ServerWindow::Show(void)
{
/* if(_winborder)
{
_winborder->ShowLayer();
ActivateWindow(this);
}
*/
}
void ServerWindow::Hide(void)
{
// TODO: uncomment this when we have WinBorder.h
// if(_winborder)
// _winborder->HideLayer();
}
bool ServerWindow::IsHidden(void)
{
return (_hidecount==0)?true:false;
}
void ServerWindow::SetFocus(bool value)
{
if(_active!=value)
{
_active=value;
_decorator->SetFocus(value);
_decorator->Draw();
}
}
bool ServerWindow::HasFocus(void)
{
return _active;
}
void ServerWindow::WorkspaceActivated(int32 newworkspace, const BPoint reso, color_space cspace)
{
}
void ServerWindow::WindowActivated(bool active)
{
}
void ServerWindow::ScreenModeChanged(const BPoint res, color_space cspace)
{
}
void ServerWindow::SetFrame(const BRect &rect)
{
_frame=rect;
}
BRect ServerWindow::Frame(void)
{
return _frame;
}
status_t ServerWindow::Lock(void)
{
#ifdef DEBUG_SERVERWIN
printf("%s::Lock()\n",_title->String());
#endif
return _locker.Lock();
}
void ServerWindow::Unlock(void)
{
#ifdef DEBUG_SERVERWIN
printf("%s::Unlock()\n",_title->String());
#endif
_locker.Unlock();
}
bool ServerWindow::IsLocked(void)
{
return _locker.IsLocked();
}
void ServerWindow::Loop(void)
{
// Message-dispatching loop for the ServerWindow
int32 msgcode;
int8 *msgbuffer=NULL;
ssize_t buffersize,bytesread;
for(;;)
{
buffersize=port_buffer_size(_receiver);
if(buffersize>0)
{
msgbuffer=new int8[buffersize];
bytesread=read_port(_receiver,&msgcode,msgbuffer,buffersize);
}
else
bytesread=read_port(_receiver,&msgcode,NULL,0);
if (bytesread != B_BAD_PORT_ID && bytesread != B_TIMED_OUT && bytesread != B_WOULD_BLOCK)
{
switch(msgcode)
{
case LAYER_CREATE:
{
// Received when a view is attached to a window. This will require
// us to attach a layer in the tree in the same manner and invalidate
// the area in which the new layer resides assuming that it is
// visible.
// Attached Data:
// 1) (int32) id of the parent view
// 2) (BRect) frame in parent's coordinates
// 3) (int32) resize flags
// 4) (int32) view flags
// 5) (uint16) view's hide level
// This is a synchronous call, so reply immediately with the ID of the layer
// so the BView can identify itself
break;
}
case LAYER_DELETE:
{
// Received when a view is detached from a window. This is definitely
// the less taxing operation - we call PruneTree() on the removed
// layer, detach the layer itself, delete it, and invalidate the
// area assuming that the view was visible when removed
// Attached Data:
// 1) (int32) id of the removed view
break;
}
case SHOW_WINDOW:
{
Show();
break;
}
case HIDE_WINDOW:
{
Hide();
break;
}
case DELETE_WINDOW:
{
// Received from our window when it is told to quit, so tell our
// application to delete this object
_applink->SetOpCode(DELETE_WINDOW);
_applink->Attach((int32)_monitorthread);
_applink->Flush();
break;
}
default:
DispatchMessage(msgcode,msgbuffer);
break;
}
}
if(buffersize>0)
delete msgbuffer;
if(msgcode==B_QUIT_REQUESTED)
break;
}
}
void ServerWindow::DispatchMessage(int32 code, int8 *msgbuffer)
{
switch(code)
{
default:
{
#ifdef DEBUG_SERVERWIN
printf("%s::ServerWindow(): Received unexpected code: ",_title->String());
PrintMessageCode(code);
#endif
break;
}
}
}
int32 ServerWindow::MonitorWin(void *data)
{
ServerWindow *win=(ServerWindow *)data;
win->Loop();
exit_thread(0);
return 0;
}
void ServerWindow::HandleMouseEvent(int32 code, int8 *buffer)
{
/* ServerWindow *mousewin=NULL;
int8 *index=buffer;
// Find the window which will receive our mouse event.
Layer *root=GetRootLayer();
WinBorder *_winborder;
// activeborder is used to remember windows when resizing/moving windows
// or sliding a tab
ASSERT(root!=NULL);
// Dispatch the mouse event to the proper window
switch(code)
{
case B_MOUSE_DOWN:
{
// Attached data:
// 1) int64 - time of mouse click
// 2) float - x coordinate of mouse click
// 3) float - y coordinate of mouse click
// 4) int32 - modifier keys down
// 5) int32 - buttons down
// 6) int32 - clicks
// int64 time=*((int64*)index);
index+=sizeof(int64);
float x=*((float*)index);
index+=sizeof(float);
float y=*((float*)index);
index+=sizeof(float);
int32 modifiers=*((int32*)index);
index+=sizeof(uint32);
uint32 buttons=*((uint32*)index);
index+=sizeof(uint32);
// int32 clicks=*((int32*)index);
BPoint pt(x,y);
// If we have clicked on a window,
_winborder=(WinBorder*)root->GetChildAt(pt);
if(_winborder)
{
mousewin=_winborder->Window();
_winborder->MouseDown(pt,buttons,modifiers);
}
break;
}
case B_MOUSE_UP:
{
// Attached data:
// 1) int64 - time of mouse click
// 2) float - x coordinate of mouse click
// 3) float - y coordinate of mouse click
// 4) int32 - modifier keys down
// int64 time=*((int64*)index);
index+=sizeof(int64);
float x=*((float*)index);
index+=sizeof(float);
float y=*((float*)index);
index+=sizeof(float);
// int32 modifiers=*((int32*)index);
BPoint pt(x,y);
set_is_moving_window(false);
_winborder=(WinBorder*)root->GetChildAt(pt);
if(_winborder)
{
mousewin=_winborder->Window();
// Eventually, we will build in MouseUp messages with buttons specified
// For now, we just "assume" no mouse specification with a 0.
// _winborder->MouseUp(pt,0,0);
}
break;
}
case B_MOUSE_MOVED:
{
// Attached data:
// 1) int64 - time of mouse click
// 2) float - x coordinate of mouse click
// 3) float - y coordinate of mouse click
// 4) int32 - buttons down
// int64 time=*((int64*)index);
index+=sizeof(int64);
float x=*((float*)index);
index+=sizeof(float);
float y=*((float*)index);
index+=sizeof(float);
uint32 buttons=*((uint32*)index);
BPoint pt(x,y);
if(is_moving_window() || is_resizing_window() || is_sliding_tab())
{
mousewin=active_serverwindow;
mousewin->_winborder->MouseMoved(pt,buttons,0);
}
else
{
_winborder=(WinBorder*)root->GetChildAt(pt);
if(_winborder)
{
mousewin=_winborder->Window();
_winborder->MouseMoved(pt,buttons,0);
}
}
break;
}
default:
{
break;
}
}
*/
}
void ServerWindow::HandleKeyEvent(int32 code, int8 *buffer)
{
}
void ServerWindow::SetWorkspace(Workspace *wkspc)
{
}
void ActivateWindow(ServerWindow *oldwin,ServerWindow *newwin)
{
/* if(active_serverwindow==win)
return;
if(active_serverwindow)
active_serverwindow->SetFocus(false);
active_serverwindow=win;
if(win)
win->SetFocus(true);
*/
}