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153d03aa0b
haiku/src/servers/app/server/ServerWindow.cpp
Adi Oanca 153d03aa0b 4 new message handlers 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4824 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-09-25 17:25:38 +00:00

2191 lines
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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 <View.h> // for B_XXXXX_MOUSE_BUTTON defines
#include <Message.h>
#include <GraphicsDefs.h>
#include <PortLink.h>
#include "AppServer.h"
#include "Layer.h"
#include "RootLayer.h"
#include "ServerWindow.h"
#include "ServerApp.h"
#include "ServerProtocol.h"
#include "WinBorder.h"
#include "Desktop.h"
#include "DesktopClasses.h"
#include "TokenHandler.h"
#include "Utils.h"
#include "DisplayDriver.h"
#include "ServerPicture.h"
#include "CursorManager.h"
//#define DEBUG_SERVERWINDOW
//#define DEBUG_SERVERWINDOW_MOUSE
//#define DEBUG_SERVERWINDOW_KEYBOARD
#ifdef DEBUG_SERVERWINDOW
# include <stdio.h>
# define STRACE(x) printf x
#else
# define STRACE(x) ;
#endif
#ifdef DEBUG_SERVERWINDOW_KEYBOARD
# include <stdio.h>
# define STRACE_KEY(x) printf x
#else
# define STRACE_KEY(x) ;
#endif
#ifdef DEBUG_SERVERWINDOW_MOUSE
# include <stdio.h>
# define STRACE_MOUSE(x) printf x
#else
# define STRACE_MOUSE(x) ;
#endif
//! TokenHandler object used to provide IDs for all windows in the system
TokenHandler win_token_handler;
//! Active winborder - used for tracking windows during moves, resizes, and tab slides
WinBorder *active_winborder=NULL;
template<class Type> Type
read_from_buffer(int8 **_buffer)
{
Type *typedBuffer = (Type *)(*_buffer);
Type value = *typedBuffer;
typedBuffer++;
*_buffer = (int8 *)(typedBuffer);
return value;
}
static int8 *read_pattern_from_buffer(int8 **_buffer)
{
int8 *pattern = *_buffer;
*_buffer += AS_PATTERN_SIZE;
return pattern;
}
template<class Type> void
write_to_buffer(int8 **_buffer, Type value)
{
Type *typedBuffer = (Type *)(*_buffer);
*typedBuffer = value;
typedBuffer++;
*_buffer = (int8 *)(typedBuffer);
}
/*!
\brief Contructor
Does a lot of stuff to set up for the window - new decorator, new winborder, spawn a
monitor thread.
*/
ServerWindow::ServerWindow(BRect rect, const char *string, uint32 wlook,
uint32 wfeel, uint32 wflags, ServerApp *winapp, port_id winport,
port_id looperPort, uint32 index, int32 handlerID)
{
_title = new BString;
if( string )
_title->SetTo(string);
_frame = rect;
_flags = wflags;
_look = wlook;
_feel = wfeel;
_handlertoken = handlerID;
cl = NULL;
winLooperPort = looperPort;
_winborder = new WinBorder(_frame,_title->String(),wlook,wfeel,wflags,this);
// _sender is the monitored window'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());
ses = new BSession( _receiver, _sender );
// Send a reply to our window - it is expecting _receiver port.
ses->WriteData( &_receiver, sizeof(port_id) );
ses->Sync();
top_layer = NULL;
_active = false;
// 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;
_token = win_token_handler.GetToken();
AddWindowToDesktop(this,index,ActiveScreen());
STRACE(("ServerWindow %s:\n",_title->String() ));
STRACE(("\tFrame (%.1f,%.1f,%.1f,%.1f)\n",rect.left,rect.top,rect.right,rect.bottom));
STRACE(("\tPort: %ld\n",_receiver));
STRACE(("\tWorkspace: %ld\n",index));
}
//!Tears down all connections with the user application, kills the monitoring thread.
ServerWindow::~ServerWindow(void)
{
STRACE(("ServerWindow %s:~ServerWindow()\n",_title->String()));
RemoveWindowFromDesktop(this);
if(_applink)
{
delete _applink;
_applink=NULL;
delete _title;
delete _winlink;
delete _winborder;
cl = NULL;
if ( top_layer )
delete top_layer;
delete ses;
ses = NULL;
}
kill_thread(_monitorthread);
}
/*!
\brief Requests an update of the specified rectangle
\param rect The area to update, in the parent's coordinates
This could be considered equivalent to BView::Invalidate()
*/
void ServerWindow::RequestDraw(BRect rect)
{
STRACE(("ServerWindow %s: Request Draw\n",_title->String()));
BMessage msg;
msg.what = _UPDATE_;
msg.AddRect("_rect", rect);
SendMessageToClient( &msg );
}
//! Requests an update for the entire window
void ServerWindow::RequestDraw(void)
{
RequestDraw(_frame);
}
//! Forces the window border to update its decorator
void ServerWindow::ReplaceDecorator(void)
{
STRACE(("ServerWindow %s: Replace Decorator\n",_title->String()));
_winborder->UpdateDecorator();
}
//! Requests that the ServerWindow's BWindow quit
void ServerWindow::Quit(void)
{
STRACE(("ServerWindow %s: Quit\n",_title->String()));
BMessage msg;
msg.what = B_QUIT_REQUESTED;
SendMessageToClient( &msg );
}
/*!
\brief Gets the title for the window
\return The title for the window
*/
const char *ServerWindow::GetTitle(void)
{
return _title->String();
}
/*!
\brief Gets the window's ServerApp
\return The ServerApp for the window
*/
ServerApp *ServerWindow::GetApp(void)
{
return _app;
}
//! Shows the window's WinBorder
void ServerWindow::Show(void)
{
STRACE(("ServerWindow %s: Show\n",_title->String()));
if(_winborder)
{
_winborder->Show();
_winborder->SetFocus(true);
_winborder->UpdateRegions(true);
}
}
//! Hides the window's WinBorder
void ServerWindow::Hide(void)
{
STRACE(("ServerWindow %s: Hide\n",_title->String()));
if(_winborder)
_winborder->Hide();
}
/*
\brief Determines whether the window is hidden or not
\return true if hidden, false if not
*/
bool ServerWindow::IsHidden(void)
{
if(_winborder)
return _winborder->IsHidden();
return true;
}
/*!
\brief Handles focus and redrawing when changing focus states
The ServerWindow is set to (in)active and its decorator is redrawn based on its active status
*/
void ServerWindow::SetFocus(bool value)
{
STRACE(("ServerWindow %s: Set Focus to %s\n",_title->String(),value?"true":"false"));
if(_active!=value)
{
_active=value;
_winborder->SetFocus(value);
_winborder->RequestDraw();
}
}
/*!
\brief Determines whether or not the window is active
\return true if active, false if not
*/
bool ServerWindow::HasFocus(void)
{
return _active;
}
/*!
\brief Notifies window of workspace (de)activation
\param workspace Index of the workspace changed
\param active New active status of the workspace
*/
void ServerWindow::WorkspaceActivated(int32 workspace, bool active)
{
STRACE(("ServerWindow %s: WorkspaceActivated(%ld,%s)\n",_title->String(),workspace,(active)?"active":"inactive"));
BMessage msg;
msg.what = B_WORKSPACE_ACTIVATED;
msg.AddInt32("workspace", workspace);
msg.AddBool("active", active);
SendMessageToClient( &msg );
}
/*!
\brief Notifies window of a workspace switch
\param oldone index of the previous workspace
\param newone index of the new workspace
*/
void ServerWindow::WorkspacesChanged(int32 oldone,int32 newone)
{
STRACE(("ServerWindow %s: WorkspacesChanged(%ld,%ld)\n",_title->String(),oldone,newone));
BMessage msg;
msg.what = B_WORKSPACES_CHANGED;
msg.AddInt32("old", oldone);
msg.AddInt32("new", newone);
SendMessageToClient( &msg );
}
/*!
\brief Notifies window of a change in focus
\param active New active status of the window
*/
void ServerWindow::WindowActivated(bool active)
{
STRACE(("ServerWindow %s: WindowActivated(%s)\n",_title->String(),(active)?"active":"inactive"));
BMessage msg;
msg.what = B_WINDOW_ACTIVATED;
msg.AddBool("active", active);
SendMessageToClient( &msg );
}
/*!
\brief Notifies window of a change in screen resolution
\param frame Size of the new resolution
\param color_space Color space of the new screen mode
*/
void ServerWindow::ScreenModeChanged(const BRect frame, const color_space cspace)
{
STRACE(("ServerWindow %s: ScreenModeChanged\n",_title->String()));
BMessage msg;
msg.what = B_SCREEN_CHANGED;
msg.AddRect("frame", frame);
msg.AddInt32("mode", (int32)cspace);
SendMessageToClient( &msg );
}
/*
\brief Sets the frame size of the window
\rect New window size
*/
void ServerWindow::SetFrame(const BRect &rect)
{
STRACE(("ServerWindow %s: Set Frame to (%.1f,%.1f,%.1f,%.1f)\n",_title->String(),
rect.left,rect.top,rect.right,rect.bottom));
_frame=rect;
}
/*!
\brief Returns the frame of the window in screen coordinates
\return The frame of the window in screen coordinates
*/
BRect ServerWindow::Frame(void)
{
return _frame;
}
/*!
\brief Locks the window
\return B_OK if everything is ok, B_ERROR if something went wrong
*/
status_t ServerWindow::Lock(void)
{
STRACE(("ServerWindow %s: Lock\n",_title->String()));
return (_locker.Lock())?B_OK:B_ERROR;
}
//! Unlocks the window
void ServerWindow::Unlock(void)
{
STRACE(("ServerWindow %s: Unlock\n",_title->String()));
_locker.Unlock();
}
/*!
\brief Determines whether or not the window is locked
\return True if locked, false if not.
*/
bool ServerWindow::IsLocked(void)
{
return _locker.IsLocked();
}
void ServerWindow::DispatchMessage( int32 code )
{
switch( code )
{
/********** BView Messages ***********/
case AS_SET_CURRENT_LAYER:
{
int32 token;
ses->ReadInt32( &token );
Layer *current = FindLayer( top_layer, token );
if (current)
cl = current;
else // hope this NEVER happens! :-)
printf("Server PANIC: window %s: cannot find Layer with ID %ld\n", _title->String(), token);
STRACE(("ServerWindow %s: Message AS_SET_CURRENT_LAYER: Layer name: %s\n", _title->String(), cl->_name->String()));
break;
}
case AS_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.
STRACE(("SW %s: AS_LAYER_CREATE...\n", _title->String()));
Layer *oldCL = cl;
int32 token;
BRect frame;
uint32 resizeMask;
uint32 flags;
bool hidden;
int32 childCount;
char* name;
ses->ReadInt32( &token );
name = ses->ReadString();
ses->ReadRect( &frame );
ses->ReadInt32( (int32*)&resizeMask );
ses->ReadInt32( (int32*)&flags );
ses->ReadBool( &hidden );
ses->ReadInt32( &childCount );
// view's visible area is invalidated here
Layer *newLayer;
newLayer = new Layer(frame, name, token, resizeMask, flags, this);
// there is no way of setting this, other than manual. :-)
newLayer->_hidden = hidden;
// TODO: 'before' Layer support???
// TODO: review Layer::AddChild
// newLayer's parent will invalidate the area that its new child
// occupies, here in AddChild()
cl->AddChild( newLayer );
cl->PrintTree();
// we set Layer attributes (BView's state)...
cl = newLayer;
int32 msgCode;
ses->ReadInt32( &msgCode ); // this is AS_LAYER_SET_FONT_STATE
DispatchMessage( msgCode );
ses->ReadInt32( &msgCode ); // this is AS_LAYER_SET_STATE
DispatchMessage( msgCode );
// ... and attach its children.
for(int i = 0; i < childCount; i++){
ses->ReadInt32( &msgCode ); // this is AS_LAYER_CREATE
DispatchMessage( msgCode );
}
cl = oldCL;
STRACE(("DONE: ServerWindow %s: Message AS_CREATE_LAYER: Parent: %s, Child: %s\n", _title->String(), cl->_name->String(), name));
break;
}
case AS_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
STRACE(("SW %s: AS_LAYER_DELETE(self)...\n", _title->String()));
Layer *parent;
parent = cl->_parent;
// here we remove current layer from list.
cl->RemoveSelf( false );
// TODO: invalidate the region occupied by this view.
// Should be done in Layer::RemoveChild() though!
cl->PruneTree();
parent->PrintTree();
STRACE(("DONE: ServerWindow %s: Message AS_DELETE_LAYER: Parent: %s Layer: %s\n", _title->String(), parent->_name->String(), cl->_name->String()));
delete cl;
cl = parent;
break;
}
case AS_LAYER_SET_STATE:
{
rgb_color highColor,
lowColor,
viewColor;
pattern patt;
int32 clippRegRects;
ses->ReadPoint( &(cl->_layerdata->penlocation) );
ses->ReadFloat( &(cl->_layerdata->pensize) );
ses->ReadData( &highColor, sizeof(rgb_color) );
ses->ReadData( &lowColor, sizeof(rgb_color) );
ses->ReadData( &viewColor, sizeof(rgb_color) );
ses->ReadData( &patt, sizeof(pattern) );
ses->ReadInt8( (int8*)&(cl->_layerdata->draw_mode) );
ses->ReadPoint( &(cl->_layerdata->coordOrigin) );
ses->ReadInt8( (int8*)&(cl->_layerdata->lineJoin) );
ses->ReadInt8( (int8*)&(cl->_layerdata->lineCap) );
ses->ReadFloat( &(cl->_layerdata->miterLimit) );
ses->ReadInt8( (int8*)&(cl->_layerdata->alphaSrcMode) );
ses->ReadInt8( (int8*)&(cl->_layerdata->alphaFncMode) );
ses->ReadFloat( &(cl->_layerdata->scale) );
ses->ReadBool( &(cl->_layerdata->fontAliasing) );
ses->ReadInt32( &clippRegRects );
cl->_layerdata->patt.Set( *((uint64*)&patt) );
cl->_layerdata->highcolor.SetColor( highColor );
cl->_layerdata->lowcolor.SetColor( lowColor );
cl->_layerdata->viewcolor.SetColor( viewColor );
if( clippRegRects != 0 ){
if( cl->_layerdata->clippReg == NULL)
cl->_layerdata->clippReg = new BRegion();
else
cl->_layerdata->clippReg->MakeEmpty();
BRect rect;
for( int32 i = 0; i < clippRegRects; i++){
ses->ReadRect( &rect );
cl->_layerdata->clippReg->Include( rect );
}
}
else{
if ( cl->_layerdata->clippReg ){
delete cl->_layerdata->clippReg;
cl->_layerdata->clippReg = NULL;
}
}
STRACE(("ServerWindow %s: Message AS_LAYER_SET_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_FONT_STATE:
{
uint16 mask;
ses->ReadInt16( (int16*)&mask );
if ( mask & B_FONT_FAMILY_AND_STYLE ){
uint32 fontID;
ses->ReadInt32( (int32*)&fontID );
// TODO: implement later. Currently there is no SetFamAndStyle(uint32)
// in ServerFont class. DW, could you add one?
//cl->_layerdata->font->
}
if ( mask & B_FONT_SIZE ){
float size;
ses->ReadFloat( &size );
cl->_layerdata->font.SetSize( size );
}
if ( mask & B_FONT_SHEAR ){
float shear;
ses->ReadFloat( &shear );
cl->_layerdata->font.SetShear( shear );
}
if ( mask & B_FONT_ROTATION ){
float rotation;
ses->ReadFloat( &rotation );
cl->_layerdata->font.SetRotation( rotation );
}
if ( mask & B_FONT_SPACING ){
uint8 spacing;
ses->ReadInt8( (int8*)&spacing ); // uint8
cl->_layerdata->font.SetSpacing( spacing );
}
if ( mask & B_FONT_ENCODING ){
uint8 encoding;
ses->ReadInt8( (int8*)&encoding ); // uint8
cl->_layerdata->font.SetEncoding( encoding );
}
if ( mask & B_FONT_FACE ){
uint16 face;
ses->ReadInt16( (int16*)&face ); // uint16
cl->_layerdata->font.SetFace( face );
}
if ( mask & B_FONT_FLAGS ){
uint32 flags;
ses->ReadInt32( (int32*)&flags ); // uint32
cl->_layerdata->font.SetFlags( flags );
}
STRACE(("ServerWindow %s: Message AS_LAYER_SET_FONT_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_STATE:
{
LayerData *ld;
// these 4 are here because of a compiler warning. Maybe he's right... :-)
rgb_color hc, lc, vc; // high, low and view colors
uint64 patt; // current pattern as a uint64
ld = cl->_layerdata; // now we write fewer characters. :-)
hc = ld->highcolor.GetColor32();
lc = ld->lowcolor.GetColor32();
vc = ld->viewcolor.GetColor32();
patt = ld->patt.GetInt64();
// TODO: DW implement such a method in ServerFont class!
ses->WriteUInt32( 0UL /*uint32 ld->font.GetFamAndStyle()*/ );
ses->WriteFloat( ld->font.Size() );
ses->WriteFloat( ld->font.Shear() );
ses->WriteFloat( ld->font.Rotation() );
ses->WriteUInt8( ld->font.Spacing() );
ses->WriteUInt8( ld->font.Encoding() );
ses->WriteUInt16( ld->font.Face() );
ses->WriteUInt32( ld->font.Flags() );
ses->WritePoint( ld->penlocation );
ses->WriteFloat( ld->pensize );
ses->WriteData( &hc, sizeof(rgb_color)/* 4*8 */ );
ses->WriteData( &lc, sizeof(rgb_color)/* 4*8 */ );
ses->WriteData( &vc, sizeof(rgb_color)/* 4*8 */ );
ses->WriteData( &patt, sizeof(pattern)/* 8*8 */ );
ses->WritePoint( ld->coordOrigin );
ses->WriteUInt8( (uint8)(ld->draw_mode) );
ses->WriteUInt8( (uint8)(ld->lineCap) );
ses->WriteUInt8( (uint8)(ld->lineJoin) );
ses->WriteFloat( ld->miterLimit );
ses->WriteUInt8( (uint8)(ld->alphaSrcMode) );
ses->WriteUInt8( (uint8)(ld->alphaFncMode) );
ses->WriteFloat( ld->scale );
ses->WriteBool( ld->fontAliasing );
int32 noOfRects = 0;
if ( ld->clippReg )
noOfRects = ld->clippReg->CountRects();
ses->WriteInt32( noOfRects );
for( int i = 0; i < noOfRects; i++ ){
ses->WriteRect( ld->clippReg->RectAt(i) );
}
ses->WriteFloat( cl->_frame.left );
ses->WriteFloat( cl->_frame.top );
ses->WriteRect( cl->_frame.OffsetToCopy( cl->_boundsLeftTop ) );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_MOVETO:
{
float x, y;
ses->ReadFloat( &x );
ses->ReadFloat( &y );
cl->DoMoveTo(x, y);
STRACE(("ServerWindow %s: Message AS_LAYER_MOVETO: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_RESIZETO:
{
float newWidth, newHeight;
ses->ReadFloat( &newWidth );
ses->ReadFloat( &newHeight );
/* TODO: check for minimum alowed. WinBorder should provide such
* a method, based on its decorator.
*/
cl->DoResizeTo( newWidth, newHeight );
STRACE(("ServerWindow %s: Message AS_LAYER_RESIZETO: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_COORD:
{
ses->WriteFloat( cl->_frame.left );
ses->WriteFloat( cl->_frame.top );
ses->WriteRect( cl->_frame.OffsetToCopy( cl->_boundsLeftTop ) );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_COORD: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_ORIGIN:
{
float x, y;
ses->ReadFloat( &x );
ses->ReadFloat( &y );
cl->_layerdata->coordOrigin.Set(x, y);
STRACE(("ServerWindow %s: Message AS_LAYER_SET_ORIGIN: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_ORIGIN:
{
ses->WritePoint( cl->_layerdata->coordOrigin );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_ORIGIN: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_RESIZE_MODE:
{
ses->ReadUInt32( &(cl->_resize_mode) );
STRACE(("ServerWindow %s: Message AS_LAYER_RESIZE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_CURSOR:
{
int32 token;
ses->ReadInt32( &token );
cursormanager->SetCursor( token );
STRACE(("ServerWindow %s: Message AS_LAYER_CURSOR: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_FLAGS:
{
ses->ReadUInt32( &(cl->_flags) );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_FLAGS: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_HIDE:
{
cl->Hide();
STRACE(("ServerWindow %s: Message AS_LAYER_HIDE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SHOW:
{
cl->Show();
STRACE(("ServerWindow %s: Message AS_LAYER_SHOW: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_LINE_MODE:
{
int8 lineCap, lineJoin;
/* TODO: speak with DW! Shouldn't we lock before modifying certain memebers?
* Because redraw code might use an updated value instead of one for witch
* it was called. e.g.: different lineCap or lineJoin. Strange result
* would appear.
*/
ses->ReadInt8( &lineCap );
ses->ReadInt8( &lineJoin );
ses->ReadFloat( &(cl->_layerdata->miterLimit) );
cl->_layerdata->lineCap = (cap_mode)lineCap;
cl->_layerdata->lineJoin = (join_mode)lineJoin;
STRACE(("ServerWindow %s: Message AS_LAYER_SET_LINE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_LINE_MODE:
{
ses->WriteInt8( (int8)(cl->_layerdata->lineCap) );
ses->WriteInt8( (int8)(cl->_layerdata->lineJoin) );
ses->WriteFloat( cl->_layerdata->miterLimit );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_LINE_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_PUSH_STATE:
{
LayerData *ld = new LayerData();
ld->prevState = cl->_layerdata;
cl->_layerdata = ld;
STRACE(("ServerWindow %s: Message AS_LAYER_PUSH_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_POP_STATE:
{
if ( !(cl->_layerdata->prevState) ) {
STRACE(("WARNING: SW(%s): User called BView(%s)::PopState(), but there is NO state on stack!\n", _title->String(), cl->_name->String()));
break;
}
LayerData *ld = cl->_layerdata;
cl->_layerdata = cl->_layerdata->prevState;
delete ld;
STRACE(("ServerWindow %s: Message AS_LAYER_POP_STATE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_SCALE:
{
ses->ReadFloat( &(cl->_layerdata->scale) );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_SCALE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_SCALE:
{
LayerData *ld = cl->_layerdata;
float scale = ld->scale;
while( (ld = ld->prevState) )
scale *= ld->scale;
ses->WriteFloat( scale );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_SET_SCALE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_PEN_LOC:
{
float x, y;
ses->ReadFloat( &x );
ses->ReadFloat( &y );
cl->_layerdata->penlocation.Set( x, y );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_PEN_LOC: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_PEN_LOC:
{
ses->WritePoint( cl->_layerdata->penlocation );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_PEN_LOC: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_PEN_SIZE:
{
ses->ReadFloat( &(cl->_layerdata->pensize) );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_PEN_SIZE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_PEN_SIZE:
{
ses->WriteFloat( cl->_layerdata->pensize );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_PEN_SIZE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_HIGH_COLOR:
{
rgb_color c;
ses->ReadData( &c, sizeof(rgb_color) );
cl->_layerdata->highcolor.SetColor( c );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_HIGH_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_LOW_COLOR:
{
rgb_color c;
ses->ReadData( &c, sizeof(rgb_color) );
cl->_layerdata->lowcolor.SetColor( c );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_LOW_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_VIEW_COLOR:
{
rgb_color c;
ses->ReadData( &c, sizeof(rgb_color) );
cl->_layerdata->viewcolor.SetColor( c );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_VIEW_COLOR: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_COLORS:
{
rgb_color highColor, lowColor, viewColor;
highColor = cl->_layerdata->highcolor.GetColor32();
lowColor = cl->_layerdata->lowcolor.GetColor32();
viewColor = cl->_layerdata->viewcolor.GetColor32();
ses->WriteData( &highColor, sizeof(rgb_color) );
ses->WriteData( &lowColor, sizeof(rgb_color) );
ses->WriteData( &viewColor, sizeof(rgb_color) );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_COLORS: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_BLEND_MODE:
{
int8 srcAlpha, alphaFunc;
ses->ReadInt8( &srcAlpha );
ses->ReadInt8( &alphaFunc );
cl->_layerdata->alphaSrcMode = (source_alpha)srcAlpha;
cl->_layerdata->alphaFncMode = (alpha_function)alphaFunc;
STRACE(("ServerWindow %s: Message AS_LAYER_SET_BLEND_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_BLEND_MODE:
{
ses->WriteInt8( (int8)(cl->_layerdata->alphaSrcMode) );
ses->WriteInt8( (int8)(cl->_layerdata->alphaFncMode) );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_BLEND_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_DRAW_MODE:
{
int8 drawingMode;
ses->ReadInt8( &drawingMode );
cl->_layerdata->draw_mode = (drawing_mode)drawingMode;
STRACE(("ServerWindow %s: Message AS_LAYER_SET_DRAW_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_DRAW_MODE:
{
ses->WriteInt8( (int8)(cl->_layerdata->draw_mode) );
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_DRAW_MODE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_PRINT_ALIASING:
{
ses->ReadBool( &(cl->_layerdata->fontAliasing) );
STRACE(("ServerWindow %s: Message AS_LAYER_PRINT_ALIASING: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_CLIP_TO_PICTURE:
{
// TODO: watch out for the coordinate system
int32 pictureToken;
BPoint where;
ses->ReadInt32( &pictureToken );
ses->ReadPoint( &where );
ServerPicture *sp = NULL;
int32 i = 0;
for(;;){
sp = static_cast<ServerPicture*>(cl->_serverwin->_app->_piclist->ItemAt(i++));
if (!sp)
break;
if( sp->GetToken() == pictureToken ){
cl->_layerdata->clippPicture = sp;
// TODO: increase that picture's reference count.( ~ allocate a picture )
break;
}
}
// avoid compiler warning
i = 0;
cl->_layerdata->clippInverse = false;
/* TODO: modify when you have a function that returns the clipping
* region composed by: the visible region & local clipping
* region(across states) & the picture clipping region.
*/
cl->RequestDraw( cl->_layerdata->clippReg->Frame() );
STRACE(("ServerWindow %s: Message AS_LAYER_CLIP_TO_PICTURE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_CLIP_TO_INVERSE_PICTURE:
{
// TODO: watch out for the coordinate system
int32 pictureToken;
BPoint where;
ses->ReadInt32( &pictureToken );
ses->ReadPoint( &where );
ServerPicture *sp = NULL;
int32 i = 0;
for(;;){
sp = static_cast<ServerPicture*>(cl->_serverwin->_app->_piclist->ItemAt(i++));
if (!sp)
break;
if( sp->GetToken() == pictureToken ){
cl->_layerdata->clippPicture = sp;
// TODO: increase that picture's reference count.( ~ allocate a picture )
break;
}
}
// avoid compiler warning
i = 0;
cl->_layerdata->clippInverse = true;
/* TODO: modify when you have a function that returns the clipping
* region composed by: the visible region & local clipping
* region(across states) & the picture clipping region.
*/
cl->RequestDraw( cl->_layerdata->clippReg->Frame() );
STRACE(("ServerWindow %s: Message AS_LAYER_CLIP_TO_INVERSE_PICTURE: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_GET_CLIP_REGION:
{
// TODO: watch out for the coordinate system
BRegion reg;
LayerData *ld;
int32 noOfRects;
ld = cl->_layerdata;
reg = cl->ConvertFromParent( cl->_visible );
if( ld->clippReg )
reg.IntersectWith( ld->clippReg );
while( (ld = ld->prevState) )
if( ld->clippReg )
reg.IntersectWith( ld->clippReg );
noOfRects = reg.CountRects();
ses->WriteInt32( noOfRects );
for( int i = 0; i < noOfRects; i++){
ses->WriteRect( reg.RectAt(i) );
}
ses->Sync();
STRACE(("ServerWindow %s: Message AS_LAYER_GET_CLIP_REGION: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_SET_CLIP_REGION:
{
// TODO: watch out for the coordinate system
int32 noOfRects;
BRect r;
if( cl->_layerdata->clippReg )
cl->_layerdata->clippReg->MakeEmpty();
else
cl->_layerdata->clippReg = new BRegion();
ses->ReadInt32( &noOfRects );
for( int i = 0; i < noOfRects; i++ ){
ses->ReadRect( &r );
cl->_layerdata->clippReg->Include( r );
}
/* TODO: modify when you have a function that returns the clipping
* region composed by: the visible region & local clipping
* region(across states) & the picture clipping region.
*/
cl->RequestDraw( cl->_layerdata->clippReg->Frame() );
STRACE(("ServerWindow %s: Message AS_LAYER_SET_CLIP_REGION: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_INVAL_RECT:
{
// TODO: watch out for the coordinate system
BRect invalRect;
ses->ReadRect( &invalRect );
cl->Invalidate( invalRect );
cl->RequestDraw( invalRect );
STRACE(("ServerWindow %s: Message AS_LAYER_INVAL_RECT: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
case AS_LAYER_INVAL_REGION:
{
// TODO: watch out for the coordinate system
BRegion invalReg;
int32 noOfRects;
BRect rect;
ses->ReadInt32( &noOfRects );
for( int i = 0; i < noOfRects; i++ ){
ses->ReadRect( &rect );
invalReg.Include( rect );
}
cl->Invalidate( invalReg );
cl->RequestDraw( invalReg.Frame() );
STRACE(("ServerWindow %s: Message AS_LAYER_INVAL_RECT: Layer: %s\n",_title->String(), cl->_name->String()));
break;
}
/********** END: BView Messages ***********/
/********** BWindow Messages ***********/
case AS_LAYER_CREATE_ROOT:
{
// Received when a window creates its internal top view
int32 token;
BRect frame;
uint32 resizeMode;
uint32 flags;
char* name = NULL;
ses->ReadInt32( &token );
ses->ReadRect( &frame );
ses->ReadInt32( (int32*)&resizeMode );
ses->ReadInt32( (int32*)&flags );
name = ses->ReadString();
top_layer = new Layer( frame, name, token, resizeMode,
flags, this );
cl = top_layer;
STRACE(("ServerWindow %s: Setting currentLayer to: '%s'\n", _title->String(), name ));
STRACE(("ServerWindow %s: Message Create_Layer_Root\n",_title->String()));
delete name;
break;
}
case AS_LAYER_DELETE_ROOT:
{
// Received when a window deletes its internal top view
// TODO: Implement
STRACE(("ServerWindow %s: Message Delete_Layer_Root unimplemented\n",_title->String()));
break;
}
case AS_SHOW_WINDOW:
{
STRACE(("ServerWindow %s: Message AS_SHOW\n",_title->String()));
Show();
break;
}
case AS_HIDE_WINDOW:
{
STRACE(("ServerWindow %s: Message AS_HIDE\n",_title->String()));
Hide();
break;
}
case AS_SEND_BEHIND:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Send_Behind unimplemented\n",_title->String()));
break;
}
case AS_ENABLE_UPDATES:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Enable_Updates unimplemented\n",_title->String()));
break;
}
case AS_DISABLE_UPDATES:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Disable_Updates unimplemented\n",_title->String()));
break;
}
case AS_NEEDS_UPDATE:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Needs_Update unimplemented\n",_title->String()));
break;
}
case AS_WINDOW_TITLE:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Title unimplemented\n",_title->String()));
break;
}
case AS_ADD_TO_SUBSET:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Add_To_Subset unimplemented\n",_title->String()));
break;
}
case AS_REM_FROM_SUBSET:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Remove_From_Subset unimplemented\n",_title->String()));
break;
}
case AS_SET_LOOK:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Look unimplemented\n",_title->String()));
break;
}
case AS_SET_FLAGS:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Flags unimplemented\n",_title->String()));
break;
}
case AS_SET_FEEL:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Feel unimplemented\n",_title->String()));
break;
}
case AS_SET_ALIGNMENT:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Alignment unimplemented\n",_title->String()));
break;
}
case AS_GET_ALIGNMENT:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Get_Alignment unimplemented\n",_title->String()));
break;
}
case AS_GET_WORKSPACES:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Get_Workspaces unimplemented\n",_title->String()));
break;
}
case AS_SET_WORKSPACES:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Set_Workspaces unimplemented\n",_title->String()));
break;
}
case AS_WINDOW_RESIZE:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Resize unimplemented\n",_title->String()));
break;
}
case B_MINIMIZE:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Minimize unimplemented\n",_title->String()));
break;
}
case B_WINDOW_ACTIVATED:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Window_Activated unimplemented\n",_title->String()));
break;
}
case B_ZOOM:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Zoom unimplemented\n",_title->String()));
break;
}
case B_WINDOW_MOVE_TO:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Move_To unimplemented\n",_title->String()));
break;
}
case B_WINDOW_MOVE_BY:
{
// TODO: Implement
STRACE(("ServerWindow %s: Message Move_By unimplemented\n",_title->String()));
break;
}
default:
{
printf("ServerWindow %s received unexpected code - message offset %lx\n",_title->String(), code - SERVER_TRUE);
break;
}
}
}
/*!
\brief Iterator for graphics update messages
\param msgsize Size of the buffer containing the graphics messages
\param msgbuffer Buffer containing the graphics message
*/
void ServerWindow::DispatchGraphicsMessage(int32 msgsize, int8 *msgbuffer)
{
Layer *layer;
LayerData *layerdata;
int32 code;
int32 view_token;
uint32 sizeRemaining = (uint32)msgsize;
BRegion WindowClipRegion;
BRegion LayerClipRegion;
Layer *sibling;
int32 numRects = 0;
if ( !msgsize || !msgbuffer )
return;
if ( IsHidden() )
return;
WindowClipRegion.Set(_winborder->Frame());
sibling = _winborder->GetUpperSibling();
while ( sibling )
{
WindowClipRegion.Exclude(sibling->Frame());
sibling = sibling->GetUpperSibling();
}
if ( !WindowClipRegion.Frame().IsValid() )
return;
// We need to decide whether coordinates are specified in view or root coordinates.
// For now, we assume root level coordinates.
code = AS_BEGIN_UPDATE;
while ((sizeRemaining > 2*sizeof(int32)) && (code != AS_END_UPDATE))
{
code = read_from_buffer<int32>(&msgbuffer);
view_token = read_from_buffer<int32>(&msgbuffer);
layer = _workspace->GetRoot()->FindLayer(view_token);
if ( layer )
{
layerdata = layer->GetLayerData();
LayerClipRegion.Set(layer->Frame());
LayerClipRegion.IntersectWith(&WindowClipRegion);
numRects = LayerClipRegion.CountRects();
}
else
{
layerdata = NULL;
printf("ServerWindow %s received invalid view token %lx",_title->String(),view_token);
}
switch (code)
{
case AS_SET_HIGH_COLOR:
{
if ( sizeRemaining >= AS_SET_COLOR_MSG_SIZE )
{
uint8 r, g, b, a;
r = read_from_buffer<uint8>(&msgbuffer);
g = read_from_buffer<uint8>(&msgbuffer);
b = read_from_buffer<uint8>(&msgbuffer);
a = read_from_buffer<uint8>(&msgbuffer);
if ( layerdata )
layerdata->highcolor.SetColor(r,g,b,a);
sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_SET_LOW_COLOR:
{
if ( sizeRemaining >= AS_SET_COLOR_MSG_SIZE )
{
uint8 r, g, b, a;
r = read_from_buffer<uint8>(&msgbuffer);
g = read_from_buffer<uint8>(&msgbuffer);
b = read_from_buffer<uint8>(&msgbuffer);
a = read_from_buffer<uint8>(&msgbuffer);
if ( layerdata )
layerdata->lowcolor.SetColor(r,g,b,a);
sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_SET_VIEW_COLOR:
{
if ( sizeRemaining >= AS_SET_COLOR_MSG_SIZE )
{
uint8 r, g, b, a;
r = read_from_buffer<uint8>(&msgbuffer);
g = read_from_buffer<uint8>(&msgbuffer);
b = read_from_buffer<uint8>(&msgbuffer);
a = read_from_buffer<uint8>(&msgbuffer);
if ( layerdata )
layerdata->viewcolor.SetColor(r,g,b,a);
sizeRemaining -= AS_SET_COLOR_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_ARC:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_ARC_MSG_SIZE )
{
float left, top, right, bottom, angle, span;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
angle = read_from_buffer<float>(&msgbuffer);
span = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->StrokeArc(rect,angle,span,layerdata,pattern);
sizeRemaining -= AS_STROKE_ARC_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_BEZIER:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_BEZIER_MSG_SIZE )
{
BPoint *pts;
int8 *pattern;
int i;
pts = new BPoint[4];
for (i=0; i<4; i++)
{
pts[i].x = read_from_buffer<float>(&msgbuffer);
pts[i].y = read_from_buffer<float>(&msgbuffer);
}
pattern = read_pattern_from_buffer(&msgbuffer);
if ( layerdata )
_app->_driver->StrokeBezier(pts,layerdata,pattern);
delete[] pts;
sizeRemaining -= AS_STROKE_BEZIER_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_ELLIPSE:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_ELLIPSE_MSG_SIZE )
{
float left, top, right, bottom;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->StrokeEllipse(rect,layerdata,pattern);
sizeRemaining -= AS_STROKE_ELLIPSE_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_LINE:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_LINE_MSG_SIZE )
{
float x1, y1, x2, y2;
int8 *pattern;
x1 = read_from_buffer<float>(&msgbuffer);
y1 = read_from_buffer<float>(&msgbuffer);
x2 = read_from_buffer<float>(&msgbuffer);
y2 = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BPoint p1(x1,y1);
BPoint p2(x2,y2);
if ( layerdata )
_app->_driver->StrokeLine(p1,p2,layerdata,pattern);
sizeRemaining -= AS_STROKE_LINE_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_LINEARRAY:
{
// TODO: Implement
break;
}
case AS_STROKE_POLYGON:
{
// TODO: Implement
break;
}
case AS_STROKE_RECT:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_RECT_MSG_SIZE )
{
float left, top, right, bottom;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->StrokeRect(rect,layerdata,pattern);
sizeRemaining -= AS_STROKE_RECT_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_ROUNDRECT:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_ROUNDRECT_MSG_SIZE )
{
float left, top, right, bottom, xrad, yrad;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
xrad = read_from_buffer<float>(&msgbuffer);
yrad = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->StrokeRoundRect(rect,xrad,yrad,layerdata,pattern);
sizeRemaining -= AS_STROKE_ROUNDRECT_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_STROKE_SHAPE:
{
// TODO: Implement
break;
}
case AS_STROKE_TRIANGLE:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_STROKE_TRIANGLE_MSG_SIZE )
{
BPoint *pts;
int8 *pattern;
float left, top, right, bottom;
int i;
pts = new BPoint[3];
for (i=0; i<3; i++)
{
pts[i].x = read_from_buffer<float>(&msgbuffer);
pts[i].y = read_from_buffer<float>(&msgbuffer);
}
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->StrokeTriangle(pts,rect,layerdata,pattern);
delete[] pts;
sizeRemaining -= AS_STROKE_TRIANGLE_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_ARC:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_ARC_MSG_SIZE )
{
float left, top, right, bottom, angle, span;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
angle = read_from_buffer<float>(&msgbuffer);
span = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->FillArc(rect,angle,span,layerdata,pattern);
sizeRemaining -= AS_FILL_ARC_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_BEZIER:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_BEZIER_MSG_SIZE )
{
BPoint *pts;
int8 *pattern;
int i;
pts = new BPoint[4];
for (i=0; i<4; i++)
{
pts[i].x = read_from_buffer<float>(&msgbuffer);
pts[i].y = read_from_buffer<float>(&msgbuffer);
}
pattern = read_pattern_from_buffer(&msgbuffer);
if ( layerdata )
_app->_driver->FillBezier(pts,layerdata,pattern);
delete[] pts;
sizeRemaining -= AS_FILL_BEZIER_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_ELLIPSE:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_ELLIPSE_MSG_SIZE )
{
float left, top, right, bottom;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->FillEllipse(rect,layerdata,pattern);
sizeRemaining -= AS_FILL_ELLIPSE_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_POLYGON:
{
// TODO: Implement
break;
}
case AS_FILL_RECT:
{
if ( sizeRemaining >= AS_FILL_RECT_MSG_SIZE )
{
float left, top, right, bottom;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata && numRects )
if ( numRects == 1 )
_app->_driver->FillRect(rect,layerdata,pattern);
else
{
int i;
for (i=0; i<numRects; i++)
_app->_driver->FillRect(LayerClipRegion.RectAt(i),layerdata,pattern);
}
sizeRemaining -= AS_FILL_RECT_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_REGION:
{
// TODO: Implement
break;
}
case AS_FILL_ROUNDRECT:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_ROUNDRECT_MSG_SIZE )
{
float left, top, right, bottom, xrad, yrad;
int8 *pattern;
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
xrad = read_from_buffer<float>(&msgbuffer);
yrad = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->FillRoundRect(rect,xrad,yrad,layerdata,pattern);
sizeRemaining -= AS_FILL_ROUNDRECT_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_FILL_SHAPE:
{
// TODO: Implement
break;
}
case AS_FILL_TRIANGLE:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_TRIANGLE_MSG_SIZE )
{
BPoint *pts;
int8 *pattern;
float left, top, right, bottom;
int i;
pts = new BPoint[3];
for (i=0; i<3; i++)
{
pts[i].x = read_from_buffer<float>(&msgbuffer);
pts[i].y = read_from_buffer<float>(&msgbuffer);
}
left = read_from_buffer<float>(&msgbuffer);
top = read_from_buffer<float>(&msgbuffer);
right = read_from_buffer<float>(&msgbuffer);
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->FillTriangle(pts,rect,layerdata,pattern);
delete[] pts;
sizeRemaining -= AS_FILL_TRIANGLE_MSG_SIZE;
}
else
{
printf("ServerWindow %s received truncated graphics code %lx",_title->String(),code);
sizeRemaining = 0;
}
break;
}
case AS_MOVEPENBY:
{
// TODO: Implement
break;
}
case AS_MOVEPENTO:
{
// TODO: Implement
break;
}
case AS_SETPENSIZE:
{
// TODO: Implement
break;
}
case AS_DRAW_STRING:
{
// TODO: Implement
break;
}
case AS_SET_FONT:
{
// TODO: Implement
break;
}
case AS_SET_FONT_SIZE:
{
// TODO: Implement
break;
}
default:
{
sizeRemaining -= sizeof(int32);
printf("ServerWindow %s received unexpected graphics code %lx",_title->String(),code);
break;
}
}
}
}
/*!
\brief Message-dispatching loop for the ServerWindow
MonitorWin() watches the ServerWindow's message port and dispatches as necessary
\param data The thread's ServerWindow
\return Throwaway code. Always 0.
*/
int32 ServerWindow::MonitorWin(void *data)
{
ServerWindow *win = (ServerWindow *)data;
status_t rv;
int32 code;
for(;;)
{
rv = win->ses->ReadInt32( &code );
if ( rv != B_BAD_PORT_ID ){
switch( code ){
case B_QUIT_REQUESTED:{
STRACE(("ServerWindow %s received Quit request\n",win->Title()));
// Our BWindow sent us this message when it quit.
// We need to ask its ServerApp to delete our monitor
win->_applink->SetOpCode(AS_DELETE_WINDOW);
win->_applink->Attach<int32>(win->_token);
win->_applink->Flush();
break;
}
default:{
win->DispatchMessage( code );
break;
}
}
}
else{
exit_thread(1);
return 1;
}
if( code == B_QUIT_REQUESTED )
break;
}
exit_thread(0);
return 0;
}
/*!
\brief Passes mouse event messages to the appropriate window
\param code Message code of the mouse message
\param buffer Attachment buffer for the mouse message
*/
//void ServerWindow::HandleMouseEvent(int32 code, int8 *buffer)
void ServerWindow::HandleMouseEvent(PortMessage *msg)
{
ServerWindow *mousewin=NULL;
// int8 *index=buffer;
// Find the window which will receive our mouse event.
Layer *root=GetRootLayer(CurrentWorkspace(),ActiveScreen());
WinBorder *_winborder;
// activeborder is used to remember windows when resizing/moving windows
// or sliding a tab
if(!root)
{
printf("ERROR: HandleMouseEvent has NULL root layer!!!\n");
return;
}
// Dispatch the mouse event to the proper window
// switch(code)
switch(msg->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
// index+=sizeof(int64);
// float x=*((float*)index); index+=sizeof(float);
// float y=*((float*)index); index+=sizeof(float);
// BPoint pt(x,y);
float x;
float y;
int64 dummy;
msg->Read<int64>(&dummy);
msg->Read<float>(&x);
msg->Read<float>(&y);
BPoint pt(x,y);
// If we have clicked on a window,
active_winborder = _winborder = WindowContainsPoint(pt);
if(_winborder)
{
mousewin=_winborder->Window();
_winborder->MouseDown((int8*)msg->Buffer());
}
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
// index+=sizeof(int64);
// float x=*((float*)index); index+=sizeof(float);
// float y=*((float*)index); index+=sizeof(float);
// BPoint pt(x,y);
float x;
float y;
int64 dummy;
msg->Read(&dummy);
msg->Read(&x);
msg->Read(&y);
BPoint pt(x,y);
set_is_sliding_tab(false);
set_is_moving_window(false);
set_is_resizing_window(false);
_winborder = WindowContainsPoint(pt);
active_winborder=NULL;
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((int8*)msg->Buffer());
}
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
// index+=sizeof(int64);
// float x=*((float*)index); index+=sizeof(float);
// float y=*((float*)index); index+=sizeof(float);
// BPoint pt(x,y);
float x;
float y;
int64 dummy;
msg->Read(&dummy);
msg->Read(&x);
msg->Read(&y);
BPoint pt(x,y);
if(is_moving_window() || is_resizing_window() || is_sliding_tab())
{
active_winborder->MouseMoved((int8*)msg->Buffer());
}
else
{
_winborder = WindowContainsPoint(pt);
if(_winborder)
{
mousewin=_winborder->Window();
_winborder->MouseMoved((int8*)msg->Buffer());
}
}
break;
}
default:
{
break;
}
}
}
/*!
\brief Passes key event messages to the appropriate window
\param code Message code of the key message
\param buffer Attachment buffer for the key message
*/
void ServerWindow::HandleKeyEvent(int32 code, int8 *buffer)
{
STRACE_KEY(("ServerWindow::HandleKeyEvent unimplemented\n"));
/* ServerWindow *keywin=NULL;
// Dispatch the key event to the active window
keywin=GetActiveWindow();
if(keywin)
{
keywin->Lock();
keywin->_winlink->SetOpCode(code);
keywin->_winlink
keywin->Unlock();
}
*/
}
/*!
\brief Returns the Workspace object to which the window belongs
If the window belongs to all workspaces, it returns the current workspace
*/
Workspace *ServerWindow::GetWorkspace(void)
{
if(_workspace_index==B_ALL_WORKSPACES)
return _workspace->GetScreen()->GetActiveWorkspace();
return _workspace;
}
/*!
\brief Assign the window to a particular workspace object
\param The ServerWindow's new workspace
*/
void ServerWindow::SetWorkspace(Workspace *wkspc)
{
STRACE(("ServerWindow %s: Set Workspace\n",_title->String()));
_workspace=wkspc;
}
//-----------------------------------------------------------------------
Layer* ServerWindow::FindLayer(const Layer* start, int32 token) const
{
if( !start )
return NULL;
// see if we're looking for 'start'
if( start->_view_token == token )
return const_cast<Layer*>(start);
Layer *c = start->_topchild; //c = short for: current
if( c != NULL )
while( true ){
// action block
{
if( c->_view_token == token )
return c;
}
// go deep
if( c->_topchild ){
c = c->_topchild;
}
// go right or up
else
// go right
if( c->_lowersibling ){
c = c->_lowersibling;
}
// go up
else{
while( !c->_parent->_lowersibling && c->_parent != start ){
c = c->_parent;
}
// that enough! We've reached the start layer.
if( c->_parent == start )
break;
c = c->_parent->_lowersibling;
}
}
return NULL;
}
//-----------------------------------------------------------------------
void ServerWindow::SendMessageToClient( const BMessage* msg ) const{
ssize_t size;
char *buffer;
size = msg->FlattenedSize();
buffer = new char[size];
if ( msg->Flatten( buffer, size ) == B_OK ){
write_port( winLooperPort, msg->what, buffer, size );
}
else
printf("PANIC: SW: '%s': can't flatten message in 'SendMessageToClient()'\n", _title->String() );
delete buffer;
}
//-----------------------------------------------------------------------
/*!
\brief Handles window activation stuff. Called by Desktop functions
*/
void ActivateWindow(ServerWindow *oldwin,ServerWindow *newwin)
{
STRACE(("ActivateWindow: old=%s, new=%s\n",oldwin?oldwin->Title():"NULL",newwin?newwin->Title():"NULL"));
if(oldwin==newwin)
return;
if(oldwin)
oldwin->SetFocus(false);
if(newwin)
newwin->SetFocus(true);
}
/*
@log
*added handlers for AS_LAYER_(MOVE/RESIZE)TO messages
*added AS_LAYER_GET_COORD handler
*changed some methods to use BMessage class for sending messages to BWindow
*/
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