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occt/src/Draw/Draw_Window.cxx
luz paz 54adc5e979 0031939: Coding - correction of spelling errors in comments [part 6] 
Fix various typos

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2021-01-12 13:32:43 +03:00

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// Created on: 1994-07-27
// Created by: Remi LEQUETTE
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
// include windows.h first to have all definitions available
#ifdef _WIN32
#include <windows.h>
#endif
#include <Standard_ErrorHandler.hxx>
#include <tcl.h>
#include <Draw_Interpretor.hxx>
#include <Draw_Window.hxx>
#include <Draw_Appli.hxx>
#include <TCollection_AsciiString.hxx>
#include <TCollection_ExtendedString.hxx>
#include <Image_AlienPixMap.hxx>
#include <NCollection_List.hxx>
extern Standard_Boolean Draw_Batch;
extern Standard_Boolean Draw_VirtualWindows;
static NCollection_List<Draw_Window::FCallbackBeforeTerminate> MyCallbacks;
void Draw_Window::AddCallbackBeforeTerminate(FCallbackBeforeTerminate theCB)
{
MyCallbacks.Append(theCB);
}
void Draw_Window::RemoveCallbackBeforeTerminate(FCallbackBeforeTerminate theCB)
{
NCollection_List<Draw_Window::FCallbackBeforeTerminate>::Iterator Iter(MyCallbacks);
for(; Iter.More(); Iter.Next())
{
if (Iter.Value() == theCB)
{
MyCallbacks.Remove(Iter);
break;
}
}
}
/*
*----------------------------------------------------------------------
*
* Prompt --
*
* Issue a prompt on standard output, or invoke a script
* to issue the prompt.
*
* Results:
* None.
*
* Side effects:
* A prompt gets output, and a Tcl script may be evaluated
* in interp.
*
*----------------------------------------------------------------------
*/
static void Prompt(Tcl_Interp *Interp, int partial)
{
Tcl_Channel errChannel;
Tcl_Channel outChannel = Tcl_GetStdChannel(TCL_STDOUT);
const char* promptCmd = Tcl_GetVar (Interp, partial ? "tcl_prompt2" : "tcl_prompt1", TCL_GLOBAL_ONLY);
if (promptCmd == NULL) {
defaultPrompt:
if (!partial && outChannel) {
Tcl_Write(outChannel, "% ", 2);
}
} else {
int code = Tcl_Eval(Interp, promptCmd);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (code != TCL_OK) {
if (errChannel) {
#if ((TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 5)))
Tcl_Write(errChannel, Tcl_GetStringResult(Interp), -1);
#else
Tcl_Write(errChannel, Interp->result, -1);
#endif
Tcl_Write(errChannel, "\n", 1);
}
Tcl_AddErrorInfo(Interp,
"\n (script that generates prompt)");
goto defaultPrompt;
}
}
if (outChannel) {
Tcl_Flush(outChannel);
}
}
#if !defined(_WIN32) && !defined(__WIN32__)
#include <OSD_Timer.hxx>
#include <Draw_Window.hxx>
#include <unistd.h>
#if defined(__APPLE__) && !defined(MACOSX_USE_GLX)
// use forward declaration for small subset of used Tk functions
// to workaround broken standard Tk framework installation within OS X SDKs
// which *HAS* X11 headers in Tk.framework but doesn't install them appropriately
#define _TK
typedef struct Tk_Window_* Tk_Window;
typedef const char* Tk_Uid;
extern "C" int Tk_Init (Tcl_Interp* interp);
extern "C" void Tk_MainLoop();
extern "C" Tk_Window Tk_MainWindow (Tcl_Interp* interp) ;
extern "C" Tk_Uid Tk_GetUid (const char* str);
extern "C" const char* Tk_SetAppName (Tk_Window tkwin, const char* name) ;
extern "C" void Tk_GeometryRequest (Tk_Window tkwin, int reqWidth, int reqHeight);
#else
#include <tk.h>
#endif
/*
* Global variables used by the main program:
*/
char *tcl_RcFileName = NULL; /* Name of a user-specific startup script
* to source if the application is being run
* interactively (e.g. "~/.wishrc"). Set
* by Tcl_AppInit. NULL means don't source
* anything ever. */
static Tcl_DString command; /* Used to assemble lines of terminal input
* into Tcl commands. */
static Tcl_DString line; /* Used to read the next line from the
* terminal input. */
//static char errorExitCmd[] = "exit 1";
/*
* Forward declarations for procedures defined later in this file:
*/
static void StdinProc (ClientData clientData, int mask);
static void Prompt (Tcl_Interp *Interp, int partial);
static Standard_Boolean tty; /* Non-zero means standard input is a
* terminal-like device. Zero means it's
* a file. */
Standard_Integer Draw_WindowScreen = 0;
Standard_Boolean Draw_BlackBackGround = Standard_True;
// Initialization of static variables of Draw_Window
//======================================================
Draw_Window* Draw_Window::firstWindow = NULL;
// X11 specific part
#if !defined(__APPLE__) || defined(MACOSX_USE_GLX)
#include <X11/Xutil.h>
#include <Aspect_DisplayConnection.hxx>
static unsigned long thePixels[MAXCOLOR];
Display* Draw_WindowDisplay = NULL;
Colormap Draw_WindowColorMap;
static Handle(Aspect_DisplayConnection) Draw_DisplayConnection;
// Base_Window struct definition
//===================================
struct Base_Window
{
GC gc;
XSetWindowAttributes xswa;
};
//=======================================================================
//function : Draw_Window
//purpose :
//=======================================================================
Draw_Window::Draw_Window() :
base(*new Base_Window()),
win(0),
myBuffer(0),
next(firstWindow),
previous(NULL),
myUseBuffer(Standard_False),
withWindowManager(Standard_True)
{
myMother = RootWindow(Draw_WindowDisplay,
Draw_WindowScreen);
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
}
//=======================================================================
//function : Draw_Window
//purpose :
//=======================================================================
Draw_Window::Draw_Window(Window mother) :
base(*new Base_Window()),
win(0),
myBuffer(0),
next(firstWindow),
previous(NULL),
myUseBuffer(Standard_False),
withWindowManager(Standard_True)
{
myMother = mother;
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
}
//=======================================================================
//function : Draw_Window
//purpose :
//=======================================================================
Draw_Window::Draw_Window (const char* title,
Standard_Integer X, Standard_Integer Y,
Standard_Integer DX, Standard_Integer DY) :
base(*new Base_Window()),
win(0),
myBuffer(0),
next(firstWindow),
previous(NULL),
myUseBuffer(Standard_False),
withWindowManager(Standard_True)
{
myMother = RootWindow(Draw_WindowDisplay,
Draw_WindowScreen);
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
Init(X,Y,DX,DY);
SetTitle(title);
}
//=======================================================================
//function : Draw_Window
//purpose :
//=======================================================================
Draw_Window::Draw_Window (const char* window ) :
base(*new Base_Window()),
win(0),
myBuffer(0),
next(firstWindow),
previous(NULL),
myUseBuffer(Standard_False),
withWindowManager(Standard_True)
{
sscanf(window,"%lx",&win);
Standard_Integer X,Y,DX,DY;
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
GetPosition(X,Y);
DX=HeightWin();
DY=WidthWin();
Init(X,Y,DX,DY);
}
//=======================================================================
//function : Draw_Window
//purpose :
//=======================================================================
Draw_Window::Draw_Window (Window mother,
char* title,
Standard_Integer X, Standard_Integer Y,
Standard_Integer DX, Standard_Integer DY) :
base(*new Base_Window()),
win(0),
myBuffer(0),
next(firstWindow),
previous(NULL),
myUseBuffer(Standard_False),
withWindowManager(Standard_True)
{
myMother = mother;
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
Init(X,Y,DX,DY);
SetTitle(title);
}
//=======================================================================
//function : ~Draw_Window
//purpose :
//=======================================================================
Draw_Window::~Draw_Window()
{
if (previous)
previous->next = next;
else
firstWindow = next;
if (next)
next->previous = previous;
if (myBuffer != 0)
{
XFreePixmap(Draw_WindowDisplay, myBuffer);
myBuffer = 0;
}
// Liberation pointer on Base_Window
delete &base;
}
//=======================================================================
//function : Init
//purpose :
//=======================================================================
void Draw_Window::Init(Standard_Integer X, Standard_Integer Y,
Standard_Integer DX, Standard_Integer DY)
{
unsigned long setmask;
if (Draw_BlackBackGround)
{
base.xswa.background_pixel = BlackPixel(Draw_WindowDisplay,Draw_WindowScreen);
base.xswa.border_pixel = WhitePixel(Draw_WindowDisplay,Draw_WindowScreen);
}
else
{
base.xswa.background_pixel = WhitePixel(Draw_WindowDisplay,Draw_WindowScreen);
base.xswa.border_pixel = BlackPixel(Draw_WindowDisplay,Draw_WindowScreen);
}
base.xswa.colormap = Draw_WindowColorMap;
setmask = CWBackPixel | CWBorderPixel ;
XSizeHints myHints;
myHints.flags = USPosition;
myHints.x = (int) X;
myHints.y = (int) Y;
if (win == 0)
{
win = XCreateWindow(Draw_WindowDisplay,
myMother,
(int) X,(int) Y,
(unsigned int) DX,(unsigned int) DY,
5,
DefaultDepth(Draw_WindowDisplay,Draw_WindowScreen),
InputOutput,
DefaultVisual(Draw_WindowDisplay,Draw_WindowScreen),
setmask,&base.xswa);
XSelectInput(Draw_WindowDisplay, win, ButtonPressMask|ExposureMask|
StructureNotifyMask);
// advise to the window manager to place it where I need
XSetWMNormalHints(Draw_WindowDisplay,win,&myHints);
Atom aDeleteWindowAtom = Draw_DisplayConnection->GetAtom (Aspect_XA_DELETE_WINDOW);
XSetWMProtocols (Draw_WindowDisplay, win, &aDeleteWindowAtom, 1);
if (Draw_VirtualWindows)
{
myUseBuffer = Standard_True;
InitBuffer();
}
}
base.gc = XCreateGC(Draw_WindowDisplay, win, 0, NULL);
XSetPlaneMask(Draw_WindowDisplay,base.gc,AllPlanes);
XSetForeground(Draw_WindowDisplay,
base.gc, WhitePixel(Draw_WindowDisplay,Draw_WindowScreen));
XSetBackground(Draw_WindowDisplay,
base.gc, BlackPixel(Draw_WindowDisplay,Draw_WindowScreen));
// save in case of window recovery
base.xswa.backing_store = Always;
XChangeWindowAttributes(Draw_WindowDisplay, win,
CWBackingStore, &base.xswa);
XSetLineAttributes (Draw_WindowDisplay, base.gc,
0, LineSolid, CapButt, JoinMiter);
}
//=======================================================================
//function : InitBuffer
//purpose :
//=======================================================================
void Draw_Window::InitBuffer()
{
if (myUseBuffer) {
if (myBuffer != 0) {
XFreePixmap (Draw_WindowDisplay, myBuffer);
}
XWindowAttributes winAttr;
XGetWindowAttributes (Draw_WindowDisplay, win, &winAttr);
myBuffer = XCreatePixmap (Draw_WindowDisplay, win, winAttr.width, winAttr.height, winAttr.depth);
}
else if (myBuffer != 0)
{
XFreePixmap (Draw_WindowDisplay, myBuffer);
myBuffer = 0;
}
}
//=======================================================================
//function : StopWinManager
//purpose :
//=======================================================================
void Draw_Window::StopWinManager()
{
// XGCValues winGc;
XWindowAttributes winAttr;
XGetWindowAttributes (Draw_WindowDisplay, win, &winAttr);
Destroy();
XSizeHints myHints;
myHints.flags = USPosition;
myHints.x = (int) 30;
myHints.y = (int) 100;
base.xswa.override_redirect = 1;
base.xswa.border_pixel = BlackPixel(Draw_WindowDisplay,
Draw_WindowScreen);
base.xswa.background_pixel = WhitePixel(Draw_WindowDisplay,
Draw_WindowScreen);
withWindowManager = Standard_False;
win = XCreateWindow(Draw_WindowDisplay, myMother,
winAttr.x, winAttr.y,
winAttr.width, winAttr.height,
2,
CopyFromParent, InputOutput, CopyFromParent,
CWBorderPixel|CWOverrideRedirect|CWBackPixel, &base.xswa);
// adwise to the window manager to place it where I wish
XSetWMNormalHints(Draw_WindowDisplay,win,&myHints);
// all masks of the old window are reassigned to the new one.
XSelectInput(Draw_WindowDisplay,win,winAttr.your_event_mask);
}
//=======================================================================
//function : SetPosition
//purpose :
//=======================================================================
void Draw_Window::SetPosition(Standard_Integer NewXpos,
Standard_Integer NewYpos)
{
Standard_Integer x,y;
GetPosition(x, y);
if ( (x != NewXpos) || (y != NewYpos) )
XMoveWindow(Draw_WindowDisplay, win, NewXpos, NewYpos);
}
//=======================================================================
//function : SetDimension
//purpose :
//=======================================================================
void Draw_Window::SetDimension(Standard_Integer NewDx,
Standard_Integer NewDy)
{
if ( (NewDx != WidthWin() ) || (NewDy != HeightWin() ) )
XResizeWindow(Draw_WindowDisplay, win, NewDx, NewDy);
}
//=======================================================================
//function : GetPosition
//purpose :
//=======================================================================
void Draw_Window::GetPosition(Standard_Integer &PosX,
Standard_Integer &PosY)
{
XWindowAttributes winAttr;
XGetWindowAttributes(Draw_WindowDisplay, win, &winAttr);
PosX = winAttr.x;
PosY = winAttr.y;
}
//=======================================================================
//function : HeightWin
//purpose :
//=======================================================================
Standard_Integer Draw_Window::HeightWin() const
{
Standard_Integer DY;
XWindowAttributes winAttr;
XGetWindowAttributes(Draw_WindowDisplay, win, &winAttr);
DY = winAttr.height;
return DY;
}
//=======================================================================
//function : WidthWin
//purpose :
//=======================================================================
Standard_Integer Draw_Window::WidthWin() const
{
Standard_Integer DX;
XWindowAttributes winAttr;
XGetWindowAttributes(Draw_WindowDisplay, win, &winAttr);
DX = winAttr.width;
return DX;
}
//=======================================================================
//function : SetTitle
//purpose :
//=======================================================================
void Draw_Window::SetTitle(const TCollection_AsciiString& theTitle)
{
XStoreName (Draw_WindowDisplay, win, theTitle.ToCString());
}
//=======================================================================
//function : GetTitle
//purpose :
//=======================================================================
TCollection_AsciiString Draw_Window::GetTitle() const
{
char* aTitle = NULL;
XFetchName (Draw_WindowDisplay, win, &aTitle);
return TCollection_AsciiString (aTitle);
}
//=======================================================================
//function : GetDrawable
//purpose :
//=======================================================================
Drawable Draw_Window::GetDrawable() const
{
return myUseBuffer ? myBuffer : win;
}
//=======================================================================
//function :DefineColor
//purpose :
//=======================================================================
Standard_Boolean Draw_Window::DefineColor(const Standard_Integer i, const char* colorName)
{
XColor color;
if (!XParseColor(Draw_WindowDisplay,Draw_WindowColorMap,colorName,&color))
return Standard_False;
if (!XAllocColor(Draw_WindowDisplay,Draw_WindowColorMap,&color))
return Standard_False;
thePixels[i % MAXCOLOR] = color.pixel;
return Standard_True;
}
//=======================================================================
//function : IsMapped
//purpose :
//=======================================================================
bool Draw_Window::IsMapped() const
{
if (Draw_VirtualWindows
|| win == 0)
{
return false;
}
XFlush (Draw_WindowDisplay);
XWindowAttributes aWinAttr;
XGetWindowAttributes (Draw_WindowDisplay, win, &aWinAttr);
return aWinAttr.map_state == IsUnviewable
|| aWinAttr.map_state == IsViewable;
}
//=======================================================================
//function : DisplayWindow
//purpose :
//=======================================================================
void Draw_Window::DisplayWindow()
{
if (Draw_VirtualWindows)
{
return;
}
else
{
XMapRaised(Draw_WindowDisplay, win);
}
XFlush(Draw_WindowDisplay);
}
//=======================================================================
//function : Hide
//purpose :
//=======================================================================
void Draw_Window::Hide()
{
XUnmapWindow(Draw_WindowDisplay, win);
}
//=======================================================================
//function : Destroy
//purpose :
//=======================================================================
void Draw_Window::Destroy()
{
XFreeGC (Draw_WindowDisplay, base.gc);
XDestroyWindow(Draw_WindowDisplay, win);
win = 0;
if (myBuffer != 0)
{
XFreePixmap(Draw_WindowDisplay, myBuffer);
myBuffer = 0;
}
}
//=======================================================================
//function : Clear
//purpose :
//=======================================================================
void Draw_Window::Clear()
{
if (myUseBuffer)
{
// XClearArea only applicable for windows
XGCValues currValues;
XGetGCValues(Draw_WindowDisplay, base.gc, GCBackground | GCForeground, &currValues);
XSetForeground(Draw_WindowDisplay, base.gc, currValues.background);
XFillRectangle(Draw_WindowDisplay, myBuffer, base.gc, 0, 0, WidthWin(), HeightWin());
XSetForeground(Draw_WindowDisplay, base.gc, currValues.foreground);
}
else
{
XClearArea(Draw_WindowDisplay, win, 0, 0, 0, 0, False);
}
}
//=======================================================================
//function : Flush
//purpose :
//=======================================================================
void Draw_Window::Flush()
{
XFlush(Draw_WindowDisplay);
}
//=======================================================================
//function : DrawString
//purpose :
//=======================================================================
void Draw_Window::DrawString(int X, int Y, char *text)
{
XDrawString(Draw_WindowDisplay, GetDrawable(), base.gc, X, Y, text, strlen(text));
}
//=======================================================================
//function : DrawSegments
//purpose :
//=======================================================================
void Draw_Window::DrawSegments(Segment *tab, int nbElem)
{
XDrawSegments(Draw_WindowDisplay, GetDrawable(), base.gc, (XSegment*) tab, nbElem);
}
//=======================================================================
//function : Redraw
//purpose :
//=======================================================================
void Draw_Window::Redraw()
{
if (myUseBuffer) {
XCopyArea (Draw_WindowDisplay,
myBuffer, win, // source, destination Drawables
base.gc,
0, 0, // source x, y
WidthWin(), HeightWin(),
0, 0); // destination x, y
}
}
//=======================================================================
//function : SetColor
//purpose :
//=======================================================================
void Draw_Window::SetColor(Standard_Integer color)
{
XSetForeground(Draw_WindowDisplay, base.gc, thePixels[color]);
}
//=======================================================================
//function : SetMode
//purpose :
//=======================================================================
void Draw_Window::SetMode( int mode)
{
XSetFunction(Draw_WindowDisplay, base.gc, mode);
}
//=======================================================================
//function : Save
//purpose :
//=======================================================================
Standard_Boolean Draw_Window::Save (const char* theFileName) const
{
// make sure all draw operations done
XSync (Draw_WindowDisplay, True);
// the attributes
XWindowAttributes winAttr;
XGetWindowAttributes (Draw_WindowDisplay, win, &winAttr);
if (!myUseBuffer)
{
// make sure that the whole window fit on display to prevent BadMatch error
XWindowAttributes winAttrRoot;
XGetWindowAttributes (Draw_WindowDisplay, XRootWindowOfScreen (winAttr.screen), &winAttrRoot);
Window winChildDummy;
int winLeft = 0;
int winTop = 0;
XTranslateCoordinates (Draw_WindowDisplay, win, XRootWindowOfScreen (winAttr.screen),
0, 0, &winLeft, &winTop, &winChildDummy);
if (((winLeft + winAttr.width) > winAttrRoot.width) || winLeft < winAttrRoot.x ||
((winTop + winAttr.height) > winAttrRoot.height) || winTop < winAttrRoot.y)
{
std::cerr << "The window not fully visible! Can't create the snapshot.\n";
return Standard_False;
}
}
XVisualInfo aVInfo;
if (XMatchVisualInfo (Draw_WindowDisplay, Draw_WindowScreen, 32, TrueColor, &aVInfo) == 0
&& XMatchVisualInfo (Draw_WindowDisplay, Draw_WindowScreen, 24, TrueColor, &aVInfo) == 0)
{
std::cerr << "24-bit TrueColor visual is not supported by server!\n";
return Standard_False;
}
Image_AlienPixMap anImage;
bool isBigEndian = Image_PixMap::IsBigEndianHost();
const Standard_Size aSizeRowBytes = Standard_Size(winAttr.width) * 4;
if (!anImage.InitTrash (isBigEndian ? Image_Format_RGB32 : Image_Format_BGR32,
Standard_Size(winAttr.width), Standard_Size(winAttr.height), aSizeRowBytes))
{
return Standard_False;
}
anImage.SetTopDown (true);
XImage* anXImage = XCreateImage (Draw_WindowDisplay, aVInfo.visual,
32, ZPixmap, 0, (char* )anImage.ChangeData(), winAttr.width, winAttr.height, 32, int(aSizeRowBytes));
anXImage->bitmap_bit_order = anXImage->byte_order = (isBigEndian ? MSBFirst : LSBFirst);
if (XGetSubImage (Draw_WindowDisplay, GetDrawable(),
0, 0, winAttr.width, winAttr.height,
AllPlanes, ZPixmap, anXImage, 0, 0) == NULL)
{
anXImage->data = NULL;
XDestroyImage (anXImage);
return Standard_False;
}
// destroy the image
anXImage->data = NULL;
XDestroyImage (anXImage);
// save the image
return anImage.Save (theFileName);
}
//=======================================================================
//function : Wait
//purpose :
//=======================================================================
void Draw_Window::Wait (Standard_Boolean wait)
{
Flush();
if (!wait) {
XSelectInput(Draw_WindowDisplay,win,
ButtonPressMask|ExposureMask | StructureNotifyMask |
PointerMotionMask);
}
else {
XSelectInput(Draw_WindowDisplay,win,
ButtonPressMask|ExposureMask | StructureNotifyMask);
}
}
//=======================================================================
//function : ProcessEvent
//purpose :
//=======================================================================
void ProcessEvent(Draw_Window& win, XEvent& xev)
{
Standard_Integer X,Y,button;
KeySym keysym;
XComposeStatus stat;
char chainekey[10];
switch (xev.type)
{
case ClientMessage:
{
if (xev.xclient.data.l[0] == (int )Draw_DisplayConnection->GetAtom (Aspect_XA_DELETE_WINDOW))
{
// just hide the window
win.Hide();
}
return;
}
case Expose :
win.WExpose();
break;
case ButtonPress :
X = xev.xbutton.x;
Y = xev.xbutton.y;
button = xev.xbutton.button;
win.WButtonPress(X,Y,button);
break;
case ButtonRelease :
X = xev.xbutton.x;
Y = xev.xbutton.y;
button = xev.xbutton.button;
win.WButtonRelease(X,Y,button);
break;
case KeyPress :
XLookupString(&(xev.xkey),
chainekey,
10,
&keysym,
&stat);
break;
case MotionNotify :
X = xev.xmotion.x;
Y = xev.xmotion.y;
win.WMotionNotify(X,Y);
break;
case ConfigureNotify :
if (win.withWindowManager)
win.WConfigureNotify(xev.xconfigure.x, xev.xconfigure.y,
xev.xconfigure.width,
xev.xconfigure.height);
break;
case UnmapNotify :
win.WUnmapNotify();
break;
}
}
//=======================================================================
//function : WExpose
//purpose :
//=======================================================================
void Draw_Window::WExpose()
{
}
//=======================================================================
//function : WButtonPress
//purpose :
//=======================================================================
void Draw_Window::WButtonPress(const Standard_Integer,
const Standard_Integer,
const Standard_Integer&)
{
}
//=======================================================================
//function : WButtonRelease
//purpose :
//=======================================================================
void Draw_Window::WButtonRelease(const Standard_Integer,
const Standard_Integer,
const Standard_Integer&)
{
}
/**************************
//=======================================================================
//function : WKeyPress
//purpose :
//=======================================================================
void Draw_Window::WKeyPress(char, KeySym&)
{
}
***************************/
//=======================================================================
//function : WMotionNotify
//purpose :
//=======================================================================
void Draw_Window::WMotionNotify(const Standard_Integer ,
const Standard_Integer )
{
}
//=======================================================================
//function : WConfigureNotify
//purpose :
//=======================================================================
void Draw_Window::WConfigureNotify(const Standard_Integer,
const Standard_Integer,
const Standard_Integer,
const Standard_Integer)
{
}
//=======================================================================
//function : WUnmapNotify
//purpose :
//=======================================================================
void Draw_Window::WUnmapNotify()
{
}
//======================================================
// function : ProcessEvents
// purpose : process pending X events
//======================================================
static void ProcessEvents(ClientData,int)
{
// test for X Event
while (XPending(Draw_WindowDisplay)) {
XEvent xev;
xev.type = 0;
XNextEvent(Draw_WindowDisplay,&xev);
/* search the window in the window list */
Draw_Window* w = Draw_Window::firstWindow;
Standard_Integer found=0;
while (w) {
if (xev.xany.window == w->win) {
ProcessEvent(*w, xev);
found=1;
break;
}
w = w->next;
}
if (found==0) {
Tk_HandleEvent(&xev);
}
}
}
//======================================================
// function : GetNextEvent()
// purpose :
//======================================================
void GetNextEvent(Event& ev)
{
XEvent xev;
XNextEvent(Draw_WindowDisplay, &xev);
switch(xev.type)
{
case ButtonPress :
ev.type = 4;
ev.window = xev.xbutton.window;
ev.button = xev.xbutton.button;
ev.x = xev.xbutton.x;
ev.y = xev.xbutton.y;
break;
case MotionNotify :
ev.type = 6;
ev.window = xev.xmotion.window;
ev.button = 0;
ev.x = xev.xmotion.x;
ev.y = xev.xmotion.y;
break;
}
}
#endif //__APPLE__
//======================================================
// function :Run_Appli
// purpose :
//======================================================
static Standard_Boolean(*Interprete) (const char*);
void Run_Appli(Standard_Boolean (*interprete) (const char*))
{
Tcl_Channel outChannel, inChannel ;
Interprete = interprete;
#ifdef _TK
/*
* Commands will come from standard input, so set up an event
* handler for standard input. If the input device is aEvaluate the
* .rc file, if one has been specified, set up an event handler
* for standard input, and print a prompt if the input
* device is a terminal.
*/
inChannel = Tcl_GetStdChannel(TCL_STDIN);
if (inChannel) {
Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
(ClientData) inChannel);
}
// Create a handler for the draw display
// Adding of the casting into void* to be able to compile on AO1
// ConnectionNumber(Draw_WindowDisplay) is an int 32 bits
// (void*) is a pointer 64 bits ???????
#if !defined(__APPLE__) || defined(MACOSX_USE_GLX)
#if TCL_MAJOR_VERSION < 8
Tk_CreateFileHandler((void*) ConnectionNumber(Draw_WindowDisplay),
TK_READABLE, ProcessEvents,(ClientData) 0 );
#else
Tk_CreateFileHandler(ConnectionNumber(Draw_WindowDisplay),
TK_READABLE, ProcessEvents,(ClientData) 0 );
#endif
#endif // __APPLE__
#endif
Draw_Interpretor& aCommands = Draw::GetInterpretor();
if (tty) Prompt(aCommands.Interp(), 0);
Prompt(aCommands.Interp(), 0);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
if (outChannel) {
Tcl_Flush(outChannel);
}
Tcl_DStringInit(&command);
/*
* Loop infinitely, waiting for commands to execute. When there
* are no windows left, Tk_MainLoop returns and we exit.
*/
#ifdef _TK
if (Draw_VirtualWindows) {
// main window will never shown
// but main loop will parse all Xlib messages
Tcl_Eval(aCommands.Interp(), "wm withdraw .");
}
Tk_MainLoop();
#else
fd_set readset;
Standard_Integer count = ConnectionNumber(Draw_WindowDisplay);
Standard_Integer numfd;
while (1) {
FD_ZERO(&readset);
FD_SET(0,&readset);
FD_SET(count,&readset);
#ifdef HPUX
numfd = select(count+1,(Integer*)&readset,NULL,NULL,NULL);
#else
numfd = select(count+1,&readset,NULL,NULL,NULL);
#endif
if (FD_ISSET(0,&readset)) StdinProc((ClientData)0,0);
if (FD_ISSET(count,&readset)) ProcessEvents((ClientData)0,0);
}
#endif
NCollection_List<Draw_Window::FCallbackBeforeTerminate>::Iterator Iter(MyCallbacks);
for(; Iter.More(); Iter.Next())
{
(*Iter.Value())();
}
}
//======================================================
// function : Init_Appli()
// purpose :
//======================================================
Standard_Boolean Init_Appli()
{
Draw_Interpretor& aCommands = Draw::GetInterpretor();
aCommands.Init();
Tcl_Interp *interp = aCommands.Interp();
Tcl_Init (interp);
try {
OCC_CATCH_SIGNALS
Tk_Init(interp) ;
} catch (Standard_Failure const&) {
std::cout <<" Pb au lancement de TK_Init "<<std::endl;
}
Tcl_StaticPackage(interp, "Tk", Tk_Init, (Tcl_PackageInitProc *) NULL);
Tk_Window aMainWindow = Tk_MainWindow(interp) ;
if (aMainWindow == NULL) {
#if ((TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 5)))
fprintf(stderr, "%s\n", Tcl_GetStringResult(interp));
#else
fprintf(stderr, "%s\n", interp->result);
#endif
exit(1);
}
#if defined(__APPLE__) && !defined(MACOSX_USE_GLX)
Tk_SetAppName(aMainWindow, "Draw");
#else
Tk_Name(aMainWindow) = Tk_GetUid(Tk_SetAppName(aMainWindow, "Draw"));
#endif
Tk_GeometryRequest (aMainWindow, 200, 200);
#if !defined(__APPLE__) || defined(MACOSX_USE_GLX)
if (Draw_DisplayConnection.IsNull())
{
try
{
Draw_DisplayConnection = new Aspect_DisplayConnection();
}
catch (Standard_Failure const&)
{
std::cout << "Cannot open display. Interpret commands in batch mode." << std::endl;
return Standard_False;
}
}
if (Draw_WindowDisplay == NULL)
{
Draw_WindowDisplay = Draw_DisplayConnection->GetDisplay();
}
//
// synchronize the display server : could be done within Tk_Init
//
XSynchronize(Draw_WindowDisplay, True);
XSetInputFocus(Draw_WindowDisplay,
PointerRoot,
RevertToPointerRoot,
CurrentTime);
Draw_WindowScreen = DefaultScreen(Draw_WindowDisplay);
Draw_WindowColorMap = DefaultColormap(Draw_WindowDisplay,
Draw_WindowScreen);
#endif // __APPLE__
tty = isatty(0);
Tcl_SetVar(interp,"tcl_interactive",(char*)(tty ? "1" : "0"), TCL_GLOBAL_ONLY);
// Tcl_SetVar(interp,"tcl_interactive",tty ? "1" : "0", TCL_GLOBAL_ONLY);
return Standard_True;
}
//======================================================
// function : Destroy_Appli()
// purpose :
//======================================================
void Destroy_Appli()
{
//XCloseDisplay(Draw_WindowDisplay);
}
/*
*----------------------------------------------------------------------
*
* StdinProc --
*
* This procedure is invoked by the event dispatcher whenever
* standard input becomes readable. It grabs the next line of
* input characters, adds them to a command being assembled, and
* executes the command if it's complete.
*
* Results:
* None.
*
* Side effects:
* Could be almost arbitrary, depending on the command that's
* typed.
*
*----------------------------------------------------------------------
*/
/* ARGSUSED */
//static void StdinProc(ClientData clientData, int mask)
static void StdinProc(ClientData clientData, int )
{
static int gotPartial = 0;
char *cmd;
// int code, count;
int count;
Tcl_Channel chan = (Tcl_Channel) clientData;
// MSV Nov 2, 2001: patch for TCL 8.3: initialize line to avoid exception
// when first user input is an empty string
Tcl_DStringFree(&line);
count = Tcl_Gets(chan, &line);
// MKV 26.05.05
#if ((TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 4)))
Tcl_DString linetmp;
Tcl_DStringInit(&linetmp);
Tcl_UniChar * UniCharString;
UniCharString = Tcl_UtfToUniCharDString(Tcl_DStringValue(&line),-1,&linetmp);
Standard_Integer l = Tcl_UniCharLen(UniCharString);
TCollection_AsciiString AsciiString("");
Standard_Character Character;
Standard_Integer i;
for (i=0; i<l; i++) {
Character = UniCharString[i];
AsciiString.AssignCat(Character);
}
Tcl_DStringInit(&line);
Tcl_DStringAppend(&line, AsciiString.ToCString(), -1);
#endif
if (count < 0) {
if (!gotPartial) {
if (tty) {
Tcl_Exit(0);
} else {
Tcl_DeleteChannelHandler(chan, StdinProc, (ClientData) chan);
}
return;
} else {
count = 0;
}
}
(void) Tcl_DStringAppend(&command, Tcl_DStringValue(&line), -1);
cmd = Tcl_DStringAppend(&command, "\n", -1);
Tcl_DStringFree(&line);
try {
OCC_CATCH_SIGNALS
if (!Tcl_CommandComplete(cmd)) {
gotPartial = 1;
goto prompt;
}
gotPartial = 0;
/*
* Disable the stdin channel handler while evaluating the command;
* otherwise if the command re-enters the event loop we might
* process commands from stdin before the current command is
* finished. Among other things, this will trash the text of the
* command being evaluated.
*/
Tcl_CreateChannelHandler(chan, 0, StdinProc, (ClientData) chan);
/*
* Disable the stdin file handler while evaluating the command;
* otherwise if the command re-enters the event loop we might
* process commands from stdin before the current command is
* finished. Among other things, this will trash the text of the
* command being evaluated.
*/
#ifdef _TK
// Tk_CreateFileHandler(0, 0, StdinProc, (ClientData) 0);
#endif
//
// xab average to avoid an output SIGBUS of DRAW
// to ultimately prescise or remove once
// the problem of free on the global variable at the average
//
//
Interprete(cmd);
Tcl_CreateChannelHandler(chan, TCL_READABLE, StdinProc,
(ClientData) chan);
Tcl_DStringFree(&command);
/*
* Output a prompt.
*/
prompt:
if (tty) Prompt(Draw::GetInterpretor().Interp(), gotPartial);
} catch (Standard_Failure const&) {}
}
#else
// Source Specifique WNT
/****************************************************\
* Draw_Window.cxx :
*
\****************************************************/
#include "Draw_Window.hxx"
#include "DrawRessource.h"
#include "init.h"
#include <Draw_Appli.hxx>
#include <OSD.hxx>
#include <tk.h>
#define PENWIDTH 1
#define CLIENTWND 0
// Position of information in the extra memory
// indicates SUBSYSTEM:CONSOLE linker option, to be set to True in main()
Standard_EXPORT
Standard_Boolean Draw_IsConsoleSubsystem = Standard_False;
Standard_Boolean Draw_BlackBackGround = Standard_True;
// Creation of color stylos
HPEN colorPenTab[MAXCOLOR] = {CreatePen(PS_SOLID, PENWIDTH, RGB(255,255,255)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,0,0)),
CreatePen(PS_SOLID, PENWIDTH, RGB(0,255,0)),
CreatePen(PS_SOLID, PENWIDTH, RGB(0,0,255)),
CreatePen(PS_SOLID, PENWIDTH, RGB(0,255,255)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,215,0)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,0,255)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,52,179)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,165,0)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,228,225)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,160,122)),
CreatePen(PS_SOLID, PENWIDTH, RGB(199,21,133)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,255,0)),
CreatePen(PS_SOLID, PENWIDTH, RGB(240,230,140)),
CreatePen(PS_SOLID, PENWIDTH, RGB(255,127,80))};
// Correspondence mode X11 and WINDOWS NT
int modeTab[16] = {R2_BLACK, R2_MASKPEN, R2_MASKPENNOT, R2_COPYPEN,
R2_MASKNOTPEN, R2_NOP, R2_XORPEN, R2_MERGEPEN,
R2_NOTMASKPEN, R2_NOTXORPEN, R2_NOT, R2_MERGEPENNOT,
R2_NOTCOPYPEN, R2_MERGENOTPEN, R2_NOTMERGEPEN, R2_WHITE};
/*--------------------------------------------------------*\
| CREATE DRAW WINDOW PROCEDURE
\*--------------------------------------------------------*/
HWND DrawWindow::CreateDrawWindow(HWND hWndClient, int nitem)
{
if (Draw_IsConsoleSubsystem) {
HWND aWin = CreateWindowW (DRAWCLASS, DRAWTITLE,
WS_OVERLAPPEDWINDOW,
1,1,1,1,
NULL, NULL,::GetModuleHandle(NULL), NULL);
if (!Draw_VirtualWindows)
{
SetWindowPos(aWin, HWND_TOPMOST, 1,1,1,1, SWP_NOMOVE);
SetWindowPos(aWin, HWND_NOTOPMOST, 1,1,1,1, SWP_NOMOVE);
}
return aWin;
}
else {
HANDLE hInstance = (HANDLE )GetWindowLongPtrW (hWndClient, GWLP_HINSTANCE);
return CreateMDIWindowW(DRAWCLASS, DRAWTITLE,
WS_CAPTION | WS_CHILD | WS_THICKFRAME,
1,1,0,0,
hWndClient, (HINSTANCE)hInstance, nitem);
}
}
/*--------------------------------------------------------*\
| DRAW WINDOW PROCEDURE
\*--------------------------------------------------------*/
LRESULT APIENTRY DrawWindow::DrawProc(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam )
{
DrawWindow* localObjet = (DrawWindow* )GetWindowLongPtrW (hWnd, CLIENTWND);
if (!localObjet)
{
return Draw_IsConsoleSubsystem
? DefWindowProcW (hWnd, wMsg, wParam, lParam)
: DefMDIChildProcW (hWnd, wMsg, wParam, lParam);
}
switch (wMsg)
{
case WM_CLOSE:
{
localObjet->Hide();
return 0; // do nothing - window destruction should be performed by application
}
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint (hWnd, &ps);
if (localObjet->GetUseBuffer())
{
localObjet->Redraw();
}
else
{
localObjet->WExpose();
}
EndPaint (hWnd, &ps);
return 0;
}
case WM_SIZE:
{
if (localObjet->GetUseBuffer())
{
localObjet->InitBuffer();
localObjet->WExpose();
localObjet->Redraw();
return 0;
}
break;
}
}
return Draw_IsConsoleSubsystem
? DefWindowProcW (hWnd, wMsg, wParam, lParam)
: DefMDIChildProcW (hWnd, wMsg, wParam, lParam);
}
/*
** IMPLEMENTATION of the CLASS DRAWWINDOW
*/
/*--------------------------------------------------------*\
| Initialization of static variables of DrawWindow
\*--------------------------------------------------------*/
DrawWindow* DrawWindow::firstWindow = NULL;
HWND DrawWindow::hWndClientMDI = 0;
/*--------------------------------------------------------*\
| Constructors of Draw_Window
\*--------------------------------------------------------*/
// Default Constructor
//________________________
DrawWindow::DrawWindow() :
win(0),
next(firstWindow),
previous(NULL),
myMemHbm(NULL),
myUseBuffer(Standard_False),
myCurrPen(0),
myCurrMode(0)
{
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
}
//________________________
DrawWindow::DrawWindow(const char* title,
Standard_Integer X, Standard_Integer Y,
Standard_Integer dX,Standard_Integer dY) :
win(0), next(firstWindow), previous(NULL), myMemHbm(NULL), myUseBuffer(Standard_False)
{
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
Init(X, Y, dX, dY);
SetTitle(title);
}
DrawWindow::DrawWindow(const char* title,
Standard_Integer X, Standard_Integer Y,
Standard_Integer dX,Standard_Integer dY,
HWND theWin) :
win(theWin),next(firstWindow), previous(NULL), myMemHbm(NULL), myUseBuffer(Standard_False)
{
if (firstWindow) firstWindow->previous = this;
firstWindow = this;
Init(X, Y, dX, dY);
SetTitle(title);
}
/*--------------------------------------------------------*\
| Destructor of DrawWindow
\*--------------------------------------------------------*/
DrawWindow::~DrawWindow()
{
if (previous)
previous->next = next;
else
firstWindow = next;
if (next)
next->previous = previous;
// Delete 'off-screen drawing'-related objects
if (myMemHbm) {
DeleteObject(myMemHbm);
myMemHbm = NULL;
}
}
/*--------------------------------------------------------*\
| Init
\*--------------------------------------------------------*/
void DrawWindow::Init(Standard_Integer theXLeft, Standard_Integer theYTop,
Standard_Integer theWidth, Standard_Integer theHeight)
{
if (win == NULL)
{
win = CreateDrawWindow(hWndClientMDI, 0);
}
// include decorations in the window dimensions
// to reproduce same behaviour of Xlib window.
DWORD aWinStyle = GetWindowLongW (win, GWL_STYLE);
DWORD aWinStyleEx = GetWindowLongW (win, GWL_EXSTYLE);
HMENU aMenu = GetMenu (win);
RECT aRect;
aRect.top = theYTop;
aRect.bottom = theYTop + theHeight;
aRect.left = theXLeft;
aRect.right = theXLeft + theWidth;
AdjustWindowRectEx (&aRect, aWinStyle, aMenu != NULL ? TRUE : FALSE, aWinStyleEx);
SetPosition (aRect.left, aRect.top);
SetDimension (aRect.right - aRect.left, aRect.bottom - aRect.top);
// Save the pointer at the instance associated to the window
SetWindowLongPtrW (win, CLIENTWND, (LONG_PTR)this);
HDC hDC = GetDC(win);
SetBkColor(hDC, RGB(0, 0, 0));
myCurrPen = 3;
myCurrMode = 3;
SelectObject(hDC, colorPenTab[myCurrPen]); // Default pencil
SelectObject(hDC, GetStockObject(BLACK_BRUSH));
SetTextColor(hDC, RGB(0,0,255));
ReleaseDC(win, hDC);
if (Draw_VirtualWindows)
{
// create a virtual window
SetUseBuffer (Standard_True);
}
}
/*--------------------------------------------------------*\
| SetUseBuffer
\*--------------------------------------------------------*/
void DrawWindow::SetUseBuffer(Standard_Boolean use)
{
myUseBuffer = use;
InitBuffer();
}
/*--------------------------------------------------------*\
| InitBuffer
\*--------------------------------------------------------*/
void DrawWindow::InitBuffer()
{
if (myUseBuffer) {
RECT rc;
HDC hDC = GetDC(win);
GetClientRect(win, &rc);
if (myMemHbm) {
BITMAP aBmp;
GetObjectW (myMemHbm, sizeof(BITMAP), &aBmp);
if (rc.right-rc.left == aBmp.bmWidth && rc.bottom-rc.top == aBmp.bmHeight) return;
DeleteObject(myMemHbm);
}
myMemHbm = (HBITMAP)CreateCompatibleBitmap(hDC,
rc.right-rc.left,
rc.bottom-rc.top);
HDC aMemDC = GetMemDC(hDC);
FillRect(aMemDC, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH));
ReleaseMemDC(aMemDC);
ReleaseDC(win, hDC);
}
else {
if (myMemHbm) {
DeleteObject(myMemHbm);
myMemHbm = NULL;
}
}
}
/*--------------------------------------------------------*\
| GetMemDC
\*--------------------------------------------------------*/
HDC DrawWindow::GetMemDC(HDC theWinDC)
{
if (!myUseBuffer) return NULL;
HDC aWorkDC = CreateCompatibleDC(theWinDC);
myOldHbm = (HBITMAP)SelectObject(aWorkDC, myMemHbm);
SetROP2(aWorkDC, modeTab[myCurrMode]);
SelectObject(aWorkDC, colorPenTab[myCurrPen]);
SetBkColor(aWorkDC, RGB(0, 0, 0));
SelectObject(aWorkDC, GetStockObject(BLACK_BRUSH));
SetTextColor(aWorkDC, RGB(0,0,255));
return aWorkDC;
}
/*--------------------------------------------------------*\
| ReleaseMemDC
\*--------------------------------------------------------*/
void DrawWindow::ReleaseMemDC(HDC theMemDC)
{
if (!myUseBuffer || !theMemDC) return;
if (myOldHbm) SelectObject(theMemDC, myOldHbm);
DeleteDC(theMemDC);
}
/*--------------------------------------------------------*\
| SetPosition
\*--------------------------------------------------------*/
void DrawWindow::SetPosition(Standard_Integer posX, Standard_Integer posY)
{
UINT aFlags = SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER;
if (Draw_VirtualWindows)
{
aFlags |= SWP_NOSENDCHANGING;
}
SetWindowPos (win, 0, posX, posY, 0, 0, aFlags);
}
/*--------------------------------------------------------*\
| SetDimension
\*--------------------------------------------------------*/
void DrawWindow::SetDimension(Standard_Integer dimX, Standard_Integer dimY)
{
UINT aFlags = SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER;
if (Draw_VirtualWindows)
{
aFlags |= SWP_NOSENDCHANGING;
}
SetWindowPos (win, 0, 0, 0, dimX, dimY, aFlags);
}
/*--------------------------------------------------------*\
| GetPosition
\*--------------------------------------------------------*/
void DrawWindow::GetPosition(Standard_Integer &dimX,
Standard_Integer &dimY)
{
RECT rect;
GetWindowRect(win, &rect);
POINT point;
point.x = rect.left;
point.y = rect.top;
ScreenToClient(hWndClientMDI, &point);
dimX = point.x;
dimY = point.y;
}
/*--------------------------------------------------------*\
| HeightWin
\*--------------------------------------------------------*/
Standard_Integer DrawWindow::HeightWin() const
{
RECT rect;
GetClientRect(win, &rect);
return(rect.bottom-rect.top);
}
/*--------------------------------------------------------*\
| WidthWin
\*--------------------------------------------------------*/
Standard_Integer DrawWindow::WidthWin() const
{
RECT rect;
GetClientRect(win, &rect);
return(rect.right-rect.left);
}
/*--------------------------------------------------------*\
| SetTitle
\*--------------------------------------------------------*/
void DrawWindow::SetTitle (const TCollection_AsciiString& theTitle)
{
const TCollection_ExtendedString aTitleW (theTitle);
SetWindowTextW (win, aTitleW.ToWideString());
}
/*--------------------------------------------------------*\
| GetTitle
\*--------------------------------------------------------*/
TCollection_AsciiString DrawWindow::GetTitle() const
{
wchar_t aTitleW[32];
GetWindowTextW (win, aTitleW, 30);
return TCollection_AsciiString (aTitleW);
}
//=======================================================================
//function : IsMapped
//purpose :
//=======================================================================
bool Draw_Window::IsMapped() const
{
if (Draw_VirtualWindows
|| win == NULL)
{
return false;
}
LONG aWinStyle = GetWindowLongW (win, GWL_STYLE);
return (aWinStyle & WS_VISIBLE) != 0
&& (aWinStyle & WS_MINIMIZE) == 0;
}
/*--------------------------------------------------------*\
| DisplayWindow
\*--------------------------------------------------------*/
void DrawWindow::DisplayWindow()
{
if (Draw_VirtualWindows)
{
return;
}
ShowWindow (win, SW_SHOW);
UpdateWindow (win);
}
/*--------------------------------------------------------*\
| Hide
\*--------------------------------------------------------*/
void DrawWindow::Hide()
{
ShowWindow(win, SW_HIDE);
}
/*--------------------------------------------------------*\
| Destroy
\*--------------------------------------------------------*/
void DrawWindow::Destroy()
{
DestroyWindow(win);
}
/*--------------------------------------------------------*\
| Clear
\*--------------------------------------------------------*/
void DrawWindow::Clear()
{
HDC hDC = GetDC(win);
HDC aWorkDC = myUseBuffer ? GetMemDC(hDC) : hDC;
SaveDC(aWorkDC);
SelectObject(aWorkDC,GetStockObject(BLACK_PEN));
Rectangle(aWorkDC, 0, 0, WidthWin(), HeightWin());
RestoreDC(aWorkDC,-1);
if (myUseBuffer) ReleaseMemDC(aWorkDC);
ReleaseDC(win,hDC);
}
/*--------------------------------------------------------*\
| SaveBitmap
\*--------------------------------------------------------*/
static Standard_Boolean SaveBitmap (HBITMAP theHBitmap,
const char* theFileName)
{
// Get information about the bitmap
BITMAP aBitmap;
if (GetObjectW (theHBitmap, sizeof(BITMAP), &aBitmap) == 0)
{
return Standard_False;
}
Image_AlienPixMap anImage;
const Standard_Size aSizeRowBytes = ((Standard_Size(aBitmap.bmWidth) * 24 + 31) / 32) * 4; // 4 bytes alignment for GetDIBits()
if (!anImage.InitTrash (Image_Format_BGR, Standard_Size(aBitmap.bmWidth), Standard_Size(aBitmap.bmHeight), aSizeRowBytes))
{
return Standard_False;
}
anImage.SetTopDown (false);
// Setup image data
BITMAPINFOHEADER aBitmapInfo;
memset (&aBitmapInfo, 0, sizeof(BITMAPINFOHEADER));
aBitmapInfo.biSize = sizeof(BITMAPINFOHEADER);
aBitmapInfo.biWidth = aBitmap.bmWidth;
aBitmapInfo.biHeight = aBitmap.bmHeight; // positive means bottom-up!
aBitmapInfo.biPlanes = 1;
aBitmapInfo.biBitCount = 24;
aBitmapInfo.biCompression = BI_RGB;
// Copy the pixels
HDC aDC = GetDC (NULL);
Standard_Boolean isSuccess = GetDIBits (aDC, theHBitmap,
0, // first scan line to set
aBitmap.bmHeight, // number of scan lines to copy
anImage.ChangeData(), // array for bitmap bits
(LPBITMAPINFO )&aBitmapInfo, // bitmap data info
DIB_RGB_COLORS) != 0;
ReleaseDC (NULL, aDC);
return isSuccess && anImage.Save (theFileName);
}
/*--------------------------------------------------------*\
| Save
\*--------------------------------------------------------*/
Standard_Boolean DrawWindow::Save (const char* theFileName) const
{
if (myUseBuffer)
{
return SaveBitmap (myMemHbm, theFileName);
}
RECT aRect;
GetClientRect (win, &aRect);
int aWidth = aRect.right - aRect.left;
int aHeight = aRect.bottom - aRect.top;
// Prepare the DCs
HDC aDstDC = GetDC (NULL);
HDC aSrcDC = GetDC (win); // we copy only client area
HDC aMemDC = CreateCompatibleDC (aDstDC);
// Copy the screen to the bitmap
HBITMAP anHBitmapDump = CreateCompatibleBitmap (aDstDC, aWidth, aHeight);
HBITMAP anHBitmapOld = (HBITMAP )SelectObject (aMemDC, anHBitmapDump);
BitBlt (aMemDC, 0, 0, aWidth, aHeight, aSrcDC, 0, 0, SRCCOPY);
Standard_Boolean isSuccess = SaveBitmap (anHBitmapDump, theFileName);
// Free objects
DeleteObject (SelectObject (aMemDC, anHBitmapOld));
DeleteDC (aMemDC);
return isSuccess;
}
/*--------------------------------------------------------*\
| DrawString
\*--------------------------------------------------------*/
void DrawWindow::DrawString(int x,int y, char* text)
{
HDC hDC = GetDC(win);
HDC aWorkDC = myUseBuffer ? GetMemDC(hDC) : hDC;
TCollection_ExtendedString textW (text);
TextOutW(aWorkDC, x, y, (const wchar_t*)textW.ToExtString(), (int )strlen(text));
if (myUseBuffer) ReleaseMemDC(aWorkDC);
ReleaseDC(win,hDC);
}
/*--------------------------------------------------------*\
| DrawSegments
\*--------------------------------------------------------*/
void DrawWindow::DrawSegments(Segment *tab, int nbElem)
{
HDC hDC = GetDC(win);
HDC aWorkDC = myUseBuffer ? GetMemDC(hDC) : hDC;
for(int i = 0 ; i < nbElem ; i++)
{
MoveToEx(aWorkDC, tab[i].x1, tab[i].y1, NULL);
LineTo(aWorkDC, tab[i].x2, tab[i].y2);
}
if (myUseBuffer) ReleaseMemDC(aWorkDC);
ReleaseDC(win,hDC);
}
/*--------------------------------------------------------*\
| Redraw
\*--------------------------------------------------------*/
void DrawWindow::Redraw()
{
if (myUseBuffer) {
HDC hDC = GetDC(win);
RECT rc;
GetClientRect(win, &rc);
HDC aMemDC = GetMemDC(hDC);
BitBlt(hDC,
rc.left, rc.top,
rc.right-rc.left, rc.bottom-rc.top,
aMemDC,
0, 0, SRCCOPY);
ReleaseMemDC(aMemDC);
ReleaseDC(win,hDC);
}
}
/*--------------------------------------------------------*\
| SetMode
\*--------------------------------------------------------*/
void DrawWindow::SetMode(int mode)
{
HDC hDC = GetDC(win);
myCurrMode = mode;
SetROP2(hDC, modeTab[mode]);
ReleaseDC(win,hDC);
}
/*--------------------------------------------------------*\
| SetColor
\*--------------------------------------------------------*/
void DrawWindow::SetColor(Standard_Integer color)
{
HDC hDC = GetDC(win);
myCurrPen = color;
SelectObject(hDC,colorPenTab[color]);
ReleaseDC(win,hDC);
}
/*--------------------------------------------------------*\
| WExpose
\*--------------------------------------------------------*/
void DrawWindow::WExpose()
{
}
/*--------------------------------------------------------*\
| WButtonPress
\*--------------------------------------------------------*/
void DrawWindow::WButtonPress(const Standard_Integer,
const Standard_Integer,
const Standard_Integer&)
{
}
/*--------------------------------------------------------*\
| WButtonRelease
\*--------------------------------------------------------*/
void DrawWindow::WButtonRelease(const Standard_Integer,
const Standard_Integer,
const Standard_Integer&)
{
}
/*--------------------------------------------------------*\
| WMotionNotify
\*--------------------------------------------------------*/
void Draw_Window::WMotionNotify(const Standard_Integer ,
const Standard_Integer )
{
}
/*--------------------------------------------------------*\
| WConfigureNotify
\*--------------------------------------------------------*/
void DrawWindow::WConfigureNotify(const Standard_Integer,
const Standard_Integer,
const Standard_Integer,
const Standard_Integer)
{
}
/*--------------------------------------------------------*\
| WUnmapNotify
\*--------------------------------------------------------*/
void DrawWindow::WUnmapNotify()
{
}
/*
** IMPLEMENTATION of the CLASS SEGMENT
*/
/*--------------------------------------------------------*\
| Init
\*--------------------------------------------------------*/
void Segment::Init(Standard_Integer a1, Standard_Integer a2,
Standard_Integer a3, Standard_Integer a4)
{
x1=a1;
y1=a2;
x2=a3;
y2=a4;
}
static DWORD WINAPI tkLoop (LPVOID theThreadParameter);
#ifdef _TK
static Tk_Window mainWindow;
#endif
//* threads sinchronization *//
DWORD dwMainThreadId;
console_semaphore_value volatile console_semaphore = WAIT_CONSOLE_COMMAND;
wchar_t console_command[DRAW_COMMAND_SIZE + 1];
bool volatile isTkLoopStarted = false;
/*--------------------------------------------------------*\
| Init_Appli
\*--------------------------------------------------------*/
Standard_Boolean Init_Appli(HINSTANCE hInst,
HINSTANCE hPrevInst, int nShow, HWND& hWndFrame )
{
DWORD IDThread;
HANDLE hThread;
console_semaphore = STOP_CONSOLE;
dwMainThreadId = GetCurrentThreadId();
//necessary for normal Tk operation
hThread = CreateThread (NULL, // no security attributes
0, // use default stack size
tkLoop, // thread function
NULL, // no thread function argument
0, // use default creation flags
&IDThread);
if (!hThread) {
std::cout << "Failed to create Tcl/Tk main loop thread. Switching to batch mode..." << std::endl;
Draw_Batch = Standard_True;
Draw_Interpretor& aCommands = Draw::GetInterpretor();
aCommands.Init();
Tcl_Interp *interp = aCommands.Interp();
Tcl_Init(interp);
#ifdef _TK
try {
OCC_CATCH_SIGNALS
Tk_Init(interp);
} catch (Standard_Failure& anExcept) {
std::cout << "Failed to initialize Tk: " << anExcept.GetMessageString() << std::endl;
}
Tcl_StaticPackage(interp, "Tk", Tk_Init, (Tcl_PackageInitProc *) NULL);
#endif
//since the main Tcl/Tk loop wasn't created --> switch to batch mode
return Standard_False;
}
// san - 06/08/2002 - Time for tkLoop to start; Tk fails to initialize otherwise
while (!isTkLoopStarted)
Sleep(10);
// Saving of window classes
if(!hPrevInst)
if(!RegisterAppClass(hInst))
return(Standard_False);
/*
** Enter the application message-polling loop. This is the anchor for
** the application.
*/
hWndFrame = !Draw_IsConsoleSubsystem ? CreateAppWindow (hInst) : NULL;
if (hWndFrame != NULL)
{
ShowWindow(hWndFrame,nShow);
UpdateWindow(hWndFrame);
}
return Standard_True;
}
Standard_Boolean Draw_Interprete (const char*);
/*--------------------------------------------------------*\
| readStdinThreadFunc
\*--------------------------------------------------------*/
static DWORD WINAPI readStdinThreadFunc (const LPVOID theThreadParameter)
{
(void)theThreadParameter;
if (!Draw_IsConsoleSubsystem)
{
return 1;
}
// Console locale could be set to the system codepage .OCP (UTF-8 is not properly supported on Windows).
// However, to use it, we have to care using std::wcerr/fwprintf/WriteConsoleW for non-ascii strings everywhere (including Tcl itself),
// or otherwise we can have incomplete output issues
// (e.g. UNICODE string will be NOT just corrupted as in case when we don't set setlocale()
// but will break further normal output to console due to special characters being accidentally handled by console in the wrong way).
//setlocale (LC_ALL, ".OCP");
// _O_U16TEXT can be used with fgetws() to get similar result as ReadConsoleW() without affecting setlocale(),
// however it would break pipe input
//_setmode (_fileno(stdin), _O_U16TEXT);
bool isConsoleInput = true;
for (;;)
{
while (console_semaphore != WAIT_CONSOLE_COMMAND)
{
Sleep (100);
}
const HANDLE anStdIn = ::GetStdHandle (STD_INPUT_HANDLE);
if (anStdIn != NULL
&& anStdIn != INVALID_HANDLE_VALUE
&& isConsoleInput)
{
DWORD aNbRead = 0;
if (ReadConsoleW (anStdIn, console_command, DRAW_COMMAND_SIZE, &aNbRead, NULL))
{
console_command[aNbRead] = L'\0';
console_semaphore = HAS_CONSOLE_COMMAND;
continue;
}
else
{
const DWORD anErr = GetLastError();
if (anErr != ERROR_SUCCESS)
{
// fallback using fgetws() which would work with pipes
// but supports Unicode only through multi-byte encoding (which is not UTF-8)
isConsoleInput = false;
continue;
}
}
}
// fgetws() works only for characters within active locale (see setlocale())
if (fgetws (console_command, DRAW_COMMAND_SIZE, stdin))
{
console_semaphore = HAS_CONSOLE_COMMAND;
}
}
}
/*--------------------------------------------------------*\
| exitProc: finalization handler for Tcl/Tk thread. Forces parent process to die
\*--------------------------------------------------------*/
void exitProc(ClientData /*dc*/)
{
NCollection_List<Draw_Window::FCallbackBeforeTerminate>::Iterator Iter(MyCallbacks);
for(; Iter.More(); Iter.Next())
{
(*Iter.Value())();
}
HANDLE proc = GetCurrentProcess();
TerminateProcess(proc, 0);
}
// This is fixed version of TclpGetDefaultStdChannel() defined in tclWinChan.c
// See https://core.tcl.tk/tcl/tktview/91c9bc1c457fda269ae18595944fc3c2b54d961d
static Tcl_Channel
TclpGetDefaultStdChannel(
int type) /* One of TCL_STDIN, TCL_STDOUT, or
* TCL_STDERR. */
{
Tcl_Channel channel;
HANDLE handle;
int mode = -1;
const char *bufMode = NULL;
DWORD handleId = (DWORD) -1;
/* Standard handle to retrieve. */
switch (type) {
case TCL_STDIN:
handleId = STD_INPUT_HANDLE;
mode = TCL_READABLE;
bufMode = "line";
break;
case TCL_STDOUT:
handleId = STD_OUTPUT_HANDLE;
mode = TCL_WRITABLE;
bufMode = "line";
break;
case TCL_STDERR:
handleId = STD_ERROR_HANDLE;
mode = TCL_WRITABLE;
bufMode = "none";
break;
default:
Tcl_Panic("TclGetDefaultStdChannel: Unexpected channel type");
break;
}
handle = GetStdHandle(handleId);
/*
* Note that we need to check for 0 because Windows may return 0 if this
* is not a console mode application, even though this is not a valid
* handle.
*/
if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)) {
return (Tcl_Channel) NULL;
}
/*
* Make duplicate of the standard handle as it may be altered
* (closed, reopened with another type of the object etc.) by
* the system or a user code at any time, e.g. by call to _dup2()
*/
if (! DuplicateHandle (GetCurrentProcess(), handle,
GetCurrentProcess(), &handle,
0, FALSE, DUPLICATE_SAME_ACCESS)) {
return (Tcl_Channel) NULL;
}
channel = Tcl_MakeFileChannel(handle, mode);
if (channel == NULL) {
return (Tcl_Channel) NULL;
}
/*
* Set up the normal channel options for stdio handles.
*/
if (Tcl_SetChannelOption(NULL,channel,"-translation","auto")!=TCL_OK ||
Tcl_SetChannelOption(NULL,channel,"-eofchar","\032 {}")!=TCL_OK ||
Tcl_SetChannelOption(NULL,channel,"-buffering",bufMode)!=TCL_OK) {
Tcl_Close(NULL, channel);
return (Tcl_Channel) NULL;
}
return channel;
}
// helper functuion
static void ResetStdChannel (int type)
{
Tcl_Channel aChannel = TclpGetDefaultStdChannel (type);
Tcl_SetStdChannel (aChannel, type);
if (aChannel)
{
Tcl_RegisterChannel (NULL, aChannel);
}
}
/*--------------------------------------------------------*\
| tkLoop: implements Tk_Main()-like behaviour in a separate thread
\*--------------------------------------------------------*/
static DWORD WINAPI tkLoop (const LPVOID theThreadParameter)
{
(void)theThreadParameter;
Tcl_CreateExitHandler(exitProc, 0);
Draw_Interpretor& aCommands = Draw::GetInterpretor();
aCommands.Init();
Tcl_Interp *interp = aCommands.Interp();
Tcl_Init(interp);
// Work-around against issue with Tcl standard channels on Windows.
// These channels by default use OS handles owned by the system which
// may get invalidated e.g. by dup2() (see dlog command).
// If this happens, output to stdout from Tcl (e.g. puts) gets broken
// (sympthom is error message: "error writing "stdout": bad file number").
// To prevent this, we set standard channels using duplicate of system handles.
// The effect is that Tcl channel becomes independent on C file descriptor
// and even if stdout/stderr are redirected using dup2(), Tcl keeps using
// original device.
ResetStdChannel (TCL_STDOUT);
ResetStdChannel (TCL_STDERR);
#if (TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 5))
// Plain Tcl (8.6.4+) initializes interpretor channels automatically, but
// ActiveState Tcl (at least 8.6.4) does not seem to do that, so channels
// need to be set into interpretor explicitly
{
Tcl_Channel aChannelIn = Tcl_GetStdChannel (TCL_STDIN);
Tcl_Channel aChannelOut = Tcl_GetStdChannel (TCL_STDOUT);
Tcl_Channel aChannelErr = Tcl_GetStdChannel (TCL_STDERR);
if (aChannelIn != NULL)
{
Tcl_RegisterChannel (aCommands.Interp(), aChannelIn);
}
if (aChannelOut != NULL)
{
Tcl_RegisterChannel (aCommands.Interp(), aChannelOut);
}
if (aChannelErr != NULL)
{
Tcl_RegisterChannel (aCommands.Interp(), aChannelErr);
}
}
#endif
#ifdef _TK
// initialize the Tk library if not in 'virtual windows' mode
// (virtual windows are created by OCCT with native APIs,
// thus Tk will be useless)
if (!Draw_VirtualWindows)
{
try
{
OCC_CATCH_SIGNALS
Standard_Integer res = Tk_Init (interp);
if (res != TCL_OK)
{
#if ((TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 5)))
std::cout << "tkLoop: error in Tk initialization. Tcl reported: " << Tcl_GetStringResult(interp) << std::endl;
#else
std::cout << "tkLoop: error in Tk initialization. Tcl reported: " << interp->result << std::endl;
#endif
}
}
catch (const Standard_Failure&)
{
std::cout << "tkLoop: exception in TK_Init\n";
}
Tcl_StaticPackage (interp, "Tk", Tk_Init, (Tcl_PackageInitProc* ) NULL);
mainWindow = Tk_MainWindow (interp);
if (mainWindow == NULL)
{
#if ((TCL_MAJOR_VERSION > 8) || ((TCL_MAJOR_VERSION == 8) && (TCL_MINOR_VERSION >= 5)))
fprintf (stderr, "%s\n", Tcl_GetStringResult(interp));
#else
fprintf (stderr, "%s\n", interp->result);
#endif
std::cout << "tkLoop: Tk_MainWindow() returned NULL. Exiting...\n";
Tcl_Exit (0);
}
Tk_Name(mainWindow) = Tk_GetUid (Tk_SetAppName (mainWindow, "Draw"));
}
#endif //#ifdef _TK
// set signal handler in the new thread
OSD::SetSignal(Standard_False);
// inform the others that we have started
isTkLoopStarted = true;
while (console_semaphore == STOP_CONSOLE)
Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT);
if (Draw_IsConsoleSubsystem && console_semaphore == WAIT_CONSOLE_COMMAND)
Prompt(interp, 0);
//process a command
Standard_Boolean toLoop = Standard_True;
while (toLoop)
{
// The natural way is first flushing events, already put into queue, and then processing custom code in-between.
// Unfortunately, Tcl has no API returning the number of queued events like XPending(), and only empty state can be checked.
// Since events can be continuously fed from parallel threads, Tcl_DoOneEvent might never return empty state at all.
const bool isTclEventQueueEmpty = Tcl_DoOneEvent(TCL_ALL_EVENTS | TCL_DONT_WAIT) == 0;
if (console_semaphore == HAS_CONSOLE_COMMAND)
{
const TCollection_AsciiString aCmdUtf8 (console_command);
const bool wasInterpreted = Draw_Interprete (aCmdUtf8.ToCString());
if (Draw_IsConsoleSubsystem)
{
Prompt (interp, wasInterpreted ? 0 : 1);
}
console_semaphore = WAIT_CONSOLE_COMMAND;
}
else if (isTclEventQueueEmpty)
{
// release CPU while polling
Sleep (1);
}
#ifdef _TK
// We should not exit until the Main Tk window is closed
toLoop = (Draw_VirtualWindows || Tk_GetNumMainWindows() > 0);
#endif
}
Tcl_Exit(0);
return 0;
}
/*--------------------------------------------------------*\
| Run_Appli
\*--------------------------------------------------------*/
void Run_Appli(HWND hWnd)
{
MSG msg;
HACCEL hAccel = NULL;
msg.wParam = 1;
// if (!(hAccel = LoadAccelerators (hInstance, MAKEINTRESOURCE(ACCEL_ID))))
// MessageBox(hWnd, "MDI: Load Accel failure!", "Error", MB_OK);
DWORD IDThread;
HANDLE hThread;
if (Draw_IsConsoleSubsystem) {
hThread = CreateThread (NULL, // no security attributes
0, // use default stack size
readStdinThreadFunc, // thread function
NULL, // no thread function argument
0, // use default creation flags
&IDThread); // returns thread identifier
if (!hThread) {
std::cout << "pb in creation of the thread reading stdin" << std::endl;
Draw_IsConsoleSubsystem = Standard_False;
Init_Appli (GetModuleHandleW (NULL),
GetModuleHandleW (NULL),
1, hWnd); // reinit => create MDI client wnd
}
}
//turn on the command interpretation mechanism (regardless of the mode)
if (console_semaphore == STOP_CONSOLE)
console_semaphore = WAIT_CONSOLE_COMMAND;
//simple Win32 message loop
while (GetMessageW (&msg, NULL, 0, 0) > 0)
{
if (!TranslateAcceleratorW (hWnd, hAccel, &msg))
{
TranslateMessage (&msg);
DispatchMessageW (&msg);
}
}
ExitProcess(0);
}
/*--------------------------------------------------------*\
| Destroy_Appli
\*--------------------------------------------------------*/
void Destroy_Appli(HINSTANCE hInst)
{
UnregisterAppClass(hInst);
for (int i = 0 ; i < MAXCOLOR ; i++)
DeleteObject(colorPenTab[i]);
}
/*--------------------------------------------------------*\
| SelectWait
\*--------------------------------------------------------*/
void DrawWindow::SelectWait(HANDLE& hWnd, int& x, int& y, int& button)
{
MSG msg;
msg.wParam = 1;
GetMessageW (&msg, NULL, 0, 0);
while((msg.message != WM_RBUTTONDOWN && msg.message != WM_LBUTTONDOWN) ||
! ( Draw_IsConsoleSubsystem || IsChild(DrawWindow::hWndClientMDI,msg.hwnd)) )
{
GetMessageW (&msg, NULL, 0, 0);
}
hWnd = msg.hwnd;
x = LOWORD(msg.lParam);
y = HIWORD(msg.lParam);
if (msg.message == WM_LBUTTONDOWN)
button = 1;
else
button = 3;
}
/*--------------------------------------------------------*\
| SelectNoWait
\*--------------------------------------------------------*/
void DrawWindow::SelectNoWait(HANDLE& hWnd, int& x, int& y, int& button)
{
MSG msg;
msg.wParam = 1;
GetMessageW (&msg,NULL,0,0);
while((msg.message != WM_RBUTTONDOWN && msg.message != WM_LBUTTONDOWN &&
msg.message != WM_MOUSEMOVE) ||
! ( Draw_IsConsoleSubsystem || IsChild(DrawWindow::hWndClientMDI,msg.hwnd) ) )
{
GetMessageW(&msg,NULL,0,0);
}
hWnd = msg.hwnd;
x = LOWORD(msg.lParam);
y = HIWORD(msg.lParam);
switch (msg.message)
{
case WM_LBUTTONDOWN :
button = 1;
break;
case WM_RBUTTONDOWN :
button = 3;
break;
case WM_MOUSEMOVE :
button = 0;
break;
}
}
Standard_Boolean DrawWindow::DefineColor (const Standard_Integer, const char*)
{
return Standard_True;
}
#endif
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