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TGuiBldDragManager.cxx
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TGuiBldDragManager.cxx
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// @(#)root/guibuilder:$Id: 99541fed972db7e4279fadcd4c0a0f0ae28a0a4d $
// Author: Valeriy Onuchin 12/09/04
/*************************************************************************
* Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#include "TGuiBldDragManager.h"
#include "TGuiBldEditor.h"
#include "TRootGuiBuilder.h"
#include "TTimer.h"
#include "TList.h"
#include "TClass.h"
#include "TSystem.h"
#include "TROOT.h"
#include "TColor.h"
#include "TImage.h"
#include "TError.h"
#include "TClassMenuItem.h"
#include "TMethod.h"
#include "TBaseClass.h"
#include "TMethodArg.h"
#include "TToggle.h"
#include "TDataType.h"
#include "TObjString.h"
#include "TInterpreter.h"
#include "KeySymbols.h"
#include "TGResourcePool.h"
#include "TGMenu.h"
#include "TGFileDialog.h"
#include "TGMsgBox.h"
#include "TRandom.h"
#include "TGButton.h"
#include "TGMdi.h"
#include "TGTextEntry.h"
#include "TGDockableFrame.h"
#include "TGColorDialog.h"
#include "TGFontDialog.h"
#include "TGComboBox.h"
#include "TGCanvas.h"
#include "TGLabel.h"
#include "TGProgressBar.h"
#include "TGScrollBar.h"
#include "TGTextEntry.h"
#undef DEBUG_LOCAL
//_____________________________________________________________________________
//
// TGuiBldDragManager
//
// Drag and drop manager used by the ROOT GUI Builder.
//_____________________________________________________________________________
ClassImp(TGuiBldDragManager);
static UInt_t gGridStep = 8;
static TGuiBldDragManager *gGuiBldDragManager = 0;
TGColorDialog *TGuiBldDragManager::fgGlobalColorDialog = 0;
TGFontDialog *TGuiBldDragManager::fgGlobalFontDialog = 0;
static const char *gSaveMacroTypes[] = {
"Macro files", "*.C",
"All files", "*",
0, 0
};
static const char *gImageTypes[] = {
"All files", "*",
"XPM", "*.xpm",
"GIF", "*.gif",
"PNG", "*.png",
"JPEG", "*.jpg",
"TARGA", "*.tga",
"BMP", "*.bmp",
"ICO", "*.ico",
"XCF", "*.xcf",
"CURSORS", "*.cur",
"PPM", "*.ppm",
"PNM", "*.pnm",
"XBM", "*.xbm",
"TIFF", "*.tiff",
"Enacapsulated PostScript", "*.eps",
"PostScript", "*.ps",
"PDF", "*.pdf",
"ASImage XML","*.xml",
0, 0
};
////////////////////////////////////////////////////////////////////////////////
class TGuiBldMenuDialog : public TGTransientFrame {
friend class TGuiBldDragManager;
public:
TGButton *fOK; // OK button
//TGButton *fApply; // apply button
TGButton *fCancel; // cancel button
TObject *fObject; // selected object/frame
TMethod *fMethod; // method to be applied
TGLayoutHints *fL1; // internally used layout hints
TGLayoutHints *fL2; // internally used layout hints
TList *fWidgets; // list of widgets
public:
virtual ~TGuiBldMenuDialog();
TGuiBldMenuDialog(const TGWindow *main, TObject *obj, TMethod *method);
const char *GetParameters();
void CloseWindow();
void ConnectButtonSignals();
void Build();
void Popup();
void ApplyMethod();
void Add(const char *argname, const char *value, const char *type);
};
static TGuiBldMenuDialog *gMenuDialog = 0;
////////////////////////////////////////////////////////////////////////////////
/// ctor.
TGuiBldMenuDialog::TGuiBldMenuDialog(const TGWindow *main, TObject *obj, TMethod *method) :
TGTransientFrame(gClient->GetDefaultRoot(), main, 200, 100)
{
fObject = obj;
fMethod = method;
if (!obj) return; // zombie
fWidgets = new TList();
fL1 = new TGLayoutHints(kLHintsTop | kLHintsCenterX, 0, 0, 5, 0);
fL2 = new TGLayoutHints(kLHintsTop | kLHintsLeft, 5, 5, 5, 5);
TString title = obj->ClassName();
title += "::";
title += method->GetName();
Build();
ConnectButtonSignals();
SetWindowName(title);
SetIconName(title);
SetEditDisabled(kEditDisable);
//TRootGuiBuilder::PropagateBgndColor(this, TRootGuiBuilder::GetBgnd());
}
////////////////////////////////////////////////////////////////////////////////
/// dtor.
TGuiBldMenuDialog::~TGuiBldMenuDialog()
{
fWidgets->Delete();
delete fWidgets;
delete fL1;
delete fL2;
}
////////////////////////////////////////////////////////////////////////////////
/// Connect buttons signals
void TGuiBldMenuDialog::ConnectButtonSignals()
{
fOK->Connect("Pressed()", "TGuiBldDragManager", gGuiBldDragManager, "DoDialogOK()");
//fApply->Connect("Pressed()", "TGuiBldDragManager", gGuiBldDragManager, "DoDialogApply()");
fCancel->Connect("Pressed()", "TGuiBldDragManager", gGuiBldDragManager, "DoDialogCancel()");
}
////////////////////////////////////////////////////////////////////////////////
/// execute method for obejct with input args
void TGuiBldMenuDialog::ApplyMethod()
{
const char *params = GetParameters();
fObject->Execute(fMethod->GetName(), params);
}
////////////////////////////////////////////////////////////////////////////////
/// Return input parameters as single string.
const char *TGuiBldMenuDialog::GetParameters()
{
static char params[1024];
char param[256];
TObjString *str;
TObject *obj;
Int_t selfobjpos;
// if (fMenu->GetContextMenu()->GetSelectedMenuItem())
// selfobjpos = fMenu->GetContextMenu()->GetSelectedMenuItem()->GetSelfObjectPos();
// else
selfobjpos = -1;
params[0] = 0;
TIter next(fWidgets);
Int_t nparam = 0;
while ((obj = next())) { // first element is label, skip...
if (obj->IsA() != TGLabel::Class()) break;
obj = next(); // get either TGTextEntry or TGComboBox
str = (TObjString *) next(); // get type string
nparam++;
const char *type = str->GetString().Data();
const char *data = 0;
if (obj->IsA() == TGTextEntry::Class())
data = ((TGTextEntry *) obj)->GetBuffer()->GetString();
// TODO: Combobox...
// if necessary, replace the selected object by it's address
if (selfobjpos == nparam-1) {
if (params[0]) strlcat(params, ",", 1024-strlen(params));
snprintf(param, 255, "(TObject*)0x%lx", (Long_t)fObject);
strlcat(params, param, 1024-strlen(params));
}
if (params[0]) strlcat(params, ",", 1024-strlen(params));
if (data) {
if (!strncmp(type, "char*", 5))
snprintf(param, 255, "\"%s\"", data);
else
strlcpy(param, data, sizeof(param));
} else
strlcpy(param, "0", sizeof(param));
strlcat(params, param, 1024-strlen(params));
}
// if selected object is the last argument, have to insert it here
if (selfobjpos == nparam) {
if (params[0]) strlcat(params, ",", 1024-strlen(params));
snprintf(param, 255, "(TObject*)0x%lx", (Long_t)fObject);
strlcat(params, param, 1024-strlen(params));
}
return params;
}
////////////////////////////////////////////////////////////////////////////////
/// Create a string describing method argument.
static TString CreateArgumentTitle(TMethodArg *argument)
{
static TString ret;
if (argument) {
ret.Form("(%s) %s", argument->GetTitle(), argument->GetName());
if (argument->GetDefault() && *(argument->GetDefault())) {
ret += " [default: ";
ret += argument->GetDefault();
ret += "]";
}
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////
/// Add a label and text input field.
void TGuiBldMenuDialog::Add(const char *argname, const char *value, const char *type)
{
TGLabel *l = new TGLabel(this, argname);
TGTextBuffer *b = new TGTextBuffer(20);
b->AddText(0, value);
TGTextEntry *t = new TGTextEntry(this, b);
t->Connect("ReturnPressed()", "TGuiBldDragManager", gGuiBldDragManager, "DoDialogOK()");
t->Resize(260, t->GetDefaultHeight());
AddFrame(l, fL1);
AddFrame(t, fL2);
fWidgets->Add(l);
fWidgets->Add(t);
fWidgets->Add(new TObjString(type));
}
////////////////////////////////////////////////////////////////////////////////
/// Close window
void TGuiBldMenuDialog::CloseWindow()
{
gGuiBldDragManager->DoDialogCancel();
}
////////////////////////////////////////////////////////////////////////////////
/// Build dialog
void TGuiBldMenuDialog::Build()
{
TMethodArg *argument = 0;
Int_t selfobjpos = -1;
TIter next(fMethod->GetListOfMethodArgs());
Int_t argpos = 0;
while ((argument = (TMethodArg *) next())) {
// Do not input argument for self object
if (selfobjpos != argpos) {
TString arg_name = CreateArgumentTitle(argument);
const char *argname = arg_name.Data();
const char *type = argument->GetTypeName();
TDataType *datatype = gROOT->GetType(type);
const char *charstar = "char*";
char basictype[32];
if (datatype) {
strlcpy(basictype, datatype->GetTypeName(), sizeof(basictype));
} else {
TClass *cl = TClass::GetClass(type);
if (strncmp(type, "enum", 4) && (cl && !(cl->Property() & kIsEnum)))
Warning("Dialog", "data type is not basic type, assuming (int)");
strlcpy(basictype, "int", sizeof(basictype));
}
if (strchr(argname, '*')) {
strlcat(basictype, "*", 32-strlen(basictype));
type = charstar;
}
TDataMember *m = argument->GetDataMember();
if (m && m->GetterMethod(fObject->IsA())) {
// Get the current value and form it as a text:
char val[256];
if (!strncmp(basictype, "char*", 5)) {
char *tdefval = 0;
m->GetterMethod()->Execute(fObject, "", &tdefval);
if (tdefval && strlen(tdefval))
strlcpy(val, tdefval, sizeof(val));
} else if (!strncmp(basictype, "float", 5) ||
!strncmp(basictype, "double", 6)) {
Double_t ddefval = 0.0;
m->GetterMethod()->Execute(fObject, "", ddefval);
snprintf(val, 255, "%g", ddefval);
} else if (!strncmp(basictype, "char", 4) ||
!strncmp(basictype, "bool", 4) ||
!strncmp(basictype, "int", 3) ||
!strncmp(basictype, "long", 4) ||
!strncmp(basictype, "short", 5)) {
Long_t ldefval = 0L;
m->GetterMethod()->Execute(fObject, "", ldefval);
snprintf(val, 255, "%li", ldefval);
}
// Find out whether we have options ...
TList *opt;
// coverity[returned_pointer]: keep for later use
if ((opt = m->GetOptions())) {
Warning("Dialog", "option menu not yet implemented");
} else {
// we haven't got options - textfield ...
Add(argname, val, type);
}
} else { // if m not found ...
char val[256] = "";
const char *tval = argument->GetDefault();
if (tval) strlcpy(val, tval, sizeof(val));
Add(argname, val, type);
}
}
argpos++;
}
// add OK, Apply, Cancel buttons
TGHorizontalFrame *hf = new TGHorizontalFrame(this, 60, 20, kFixedWidth);
TGLayoutHints *l1 = new TGLayoutHints(kLHintsCenterY | kLHintsExpandX, 5, 5, 0, 0);
UInt_t width = 0, height = 0;
fWidgets->Add(l1);
fOK = new TGTextButton(hf, "&OK", 1);
hf->AddFrame(fOK, l1);
fWidgets->Add(fOK);
height = fOK->GetDefaultHeight();
width = TMath::Max(width, fOK->GetDefaultWidth());
/*
fApply = new TGTextButton(hf, "&Apply", 2);
hf->AddFrame(fApply, l1);
fWidgets->Add(fApply);
height = fApply->GetDefaultHeight();
width = TMath::Max(width, fApply->GetDefaultWidth());
*/
fCancel = new TGTextButton(hf, "&Cancel", 3);
hf->AddFrame(fCancel, l1);
fWidgets->Add(fCancel);
height = fCancel->GetDefaultHeight();
width = TMath::Max(width, fCancel->GetDefaultWidth());
// place buttons at the bottom
l1 = new TGLayoutHints(kLHintsBottom | kLHintsCenterX, 0, 0, 5, 5);
AddFrame(hf, l1);
fWidgets->Add(l1);
fWidgets->Add(hf);
hf->Resize((width + 20) * 3, height);
// map all widgets and calculate size of dialog
MapSubwindows();
}
////////////////////////////////////////////////////////////////////////////////
/// Popup dialog.
void TGuiBldMenuDialog::Popup()
{
UInt_t width = GetDefaultWidth();
UInt_t height = GetDefaultHeight();
Resize(width, height);
Window_t wdummy;
Int_t x = (Int_t)((TGFrame*)fMain)->GetWidth();
Int_t y = (Int_t)((TGFrame*)fMain)->GetHeight();
gVirtualX->TranslateCoordinates(fMain->GetId(), fClient->GetDefaultRoot()->GetId(),
x, y, x, y, wdummy);
x += 10;
y += 10;
// make the message box non-resizable
SetWMSize(width, height);
SetWMSizeHints(width, height, width, height, 0, 0);
SetMWMHints(kMWMDecorAll | kMWMDecorResizeH | kMWMDecorMaximize |
kMWMDecorMinimize | kMWMDecorMenu,
kMWMFuncAll | kMWMFuncResize | kMWMFuncMaximize |
kMWMFuncMinimize,
kMWMInputModeless);
Move(x, y);
SetWMPosition(x, y);
MapRaised();
fClient->WaitFor(this);
}
///////////////////////// auxilary static functions ///////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// Helper. Return a window located at point x,y (in screen coordinates)
static Window_t GetWindowFromPoint(Int_t x, Int_t y)
{
Window_t src, dst, child;
Window_t ret = 0;
Int_t xx = x;
Int_t yy = y;
if (!gGuiBldDragManager || gGuiBldDragManager->IsStopped() ||
!gClient->IsEditable()) return 0;
dst = src = child = gVirtualX->GetDefaultRootWindow();
while (child && dst) {
src = dst;
dst = child;
gVirtualX->TranslateCoordinates(src, dst, xx, yy, xx, yy, child);
ret = dst;
}
return ret;
}
////////////////////////////////////////////////////////////////////////////////
/// Helper to layout
static void layoutFrame(TGFrame *frame)
{
if (!frame || !frame->InheritsFrom(TGCompositeFrame::Class())) {
return;
}
TGCompositeFrame *comp = (TGCompositeFrame*)frame;
if (comp->GetLayoutManager()) {
comp->GetLayoutManager()->Layout();
} else {
comp->Layout();
}
gClient->NeedRedraw(comp);
TIter next(comp->GetList());
TGFrameElement *fe;
while ((fe = (TGFrameElement*)next())) {
layoutFrame(fe->fFrame);
gClient->NeedRedraw(fe->fFrame);
}
}
////////////////////////////////////////////////////////////////////////////////
/// Our own error handler (not used yet)
static void GuiBldErrorHandler(Int_t /*level*/, Bool_t /*abort*/,
const char * /*location*/, const char * /*msg*/)
{
}
////////////////////////////////////////////////////////////////////////////////
class TGuiBldDragManagerGrid {
public:
static UInt_t fgStep;
static ULong_t fgPixel;
static TGGC *fgBgnd;
Pixmap_t fPixmap;
TGWindow *fWindow;
Int_t fWinId;
TGuiBldDragManagerGrid();
~TGuiBldDragManagerGrid();
void Draw();
void SetStep(UInt_t step);
void InitPixmap();
void InitBgnd();
};
UInt_t TGuiBldDragManagerGrid::fgStep = gGridStep;
ULong_t TGuiBldDragManagerGrid::fgPixel = 0;
TGGC *TGuiBldDragManagerGrid::fgBgnd = 0;
////////////////////////////////////////////////////////////////////////////////
/// Create a grid background for the selected window
TGuiBldDragManagerGrid::TGuiBldDragManagerGrid()
{
fPixmap = 0;
fWindow = 0;
fWinId = 0;
if (!fgBgnd) {
InitBgnd();
}
SetStep(fgStep);
}
////////////////////////////////////////////////////////////////////////////////
/// ctor.
TGuiBldDragManagerGrid::~TGuiBldDragManagerGrid()
{
fWindow = gClient->GetWindowById(fWinId);
if (fWindow) {
fWindow->SetBackgroundPixmap(0);
fWindow->SetBackgroundColor(((TGFrame*)fWindow)->GetBackground());
gClient->NeedRedraw(fWindow, kTRUE);
}
if (fPixmap) {
gVirtualX->DeletePixmap(fPixmap);
}
fPixmap = 0;
fWindow = 0;
fWinId = 0;
}
////////////////////////////////////////////////////////////////////////////////
/// Set the grid step
void TGuiBldDragManagerGrid::SetStep(UInt_t step)
{
if (!gClient || !gClient->IsEditable()) {
return;
}
fWindow = (TGWindow*)gClient->GetRoot();
fWinId = fWindow->GetId();
fgStep = step;
InitPixmap();
}
////////////////////////////////////////////////////////////////////////////////
/// Create grid background.
void TGuiBldDragManagerGrid::InitBgnd()
{
if (fgBgnd) {
return;
}
fgBgnd = new TGGC(TGFrame::GetBckgndGC());
Float_t r, g, b;
r = 232./255;
g = 232./255;
b = 226./255;
fgPixel = TColor::RGB2Pixel(r, g, b);
fgBgnd->SetForeground(fgPixel);
}
////////////////////////////////////////////////////////////////////////////////
/// Create grid background pixmap
void TGuiBldDragManagerGrid::InitPixmap()
{
if (fPixmap) {
gVirtualX->DeletePixmap(fPixmap);
}
fPixmap = gVirtualX->CreatePixmap(gClient->GetDefaultRoot()->GetId(), fgStep, fgStep);
gVirtualX->FillRectangle(fPixmap, fgBgnd->GetGC(), 0, 0, fgStep, fgStep);
if(fgStep > 2) {
gVirtualX->FillRectangle(fPixmap, TGFrame::GetShadowGC()(),
fgStep - 1, fgStep - 1, 1, 1);
}
}
////////////////////////////////////////////////////////////////////////////////
/// Draw grid over editted frame.
void TGuiBldDragManagerGrid::Draw()
{
if (!gClient || !gClient->IsEditable()) {
return;
}
fWindow = gClient->GetWindowById(fWinId);
if (fWindow && (fWindow != gClient->GetRoot())) {
fWindow->SetBackgroundPixmap(0);
fWindow->SetBackgroundColor(((TGFrame*)fWindow)->GetBackground());
gClient->NeedRedraw(fWindow);
}
if (!fPixmap) {
InitPixmap();
}
fWindow = (TGWindow*)gClient->GetRoot();
fWinId = fWindow->GetId();
fWindow->SetBackgroundPixmap(fPixmap);
gClient->NeedRedraw(fWindow);
}
////////////////////////////////////////////////////////////////////////////////
class TGuiBldDragManagerRepeatTimer : public TTimer {
private:
TGuiBldDragManager *fManager; // back pointer
public:
TGuiBldDragManagerRepeatTimer(TGuiBldDragManager *m, Long_t ms) :
TTimer(ms, kTRUE) { fManager = m; }
Bool_t Notify() { fManager->HandleTimer(this); Reset(); return kFALSE; }
};
////////////////////////////////////////////////////////////////////////////////
class TGGrabRect : public TGFrame {
private:
Pixmap_t fPixmap;
ECursor fType;
public:
TGGrabRect(Int_t type);
~TGGrabRect() {}
Bool_t HandleButton(Event_t *ev);
ECursor GetType() const { return fType; }
};
////////////////////////////////////////////////////////////////////////////////
/// ctor.
TGGrabRect::TGGrabRect(Int_t type) :
TGFrame(gClient->GetDefaultRoot(), 8, 8, kTempFrame)
{
fType = kTopLeft;
switch (type) {
case 0:
fType = kTopLeft;
break;
case 1:
fType = kTopSide;
break;
case 2:
fType = kTopRight;
break;
case 3:
fType = kBottomLeft;
break;
case 4:
fType = kLeftSide;
break;
case 5:
fType = kRightSide;
break;
case 6:
fType = kBottomSide;
break;
case 7:
fType = kBottomRight;
break;
}
SetWindowAttributes_t attr;
attr.fMask = kWAOverrideRedirect | kWASaveUnder;
attr.fOverrideRedirect = kTRUE;
attr.fSaveUnder = kTRUE;
gVirtualX->ChangeWindowAttributes(fId, &attr);
fPixmap = gVirtualX->CreatePixmap(gVirtualX->GetDefaultRootWindow(), 8, 8);
const TGGC *bgc = TRootGuiBuilder::GetPopupHlghtGC();
//fClient->GetResourcePool()->GetSelectedBckgndGC();
TGGC *gc = new TGGC(TGFrame::GetBckgndGC());
Pixel_t back;
fClient->GetColorByName("black", back);
gc->SetBackground(back);
gc->SetForeground(back);
gVirtualX->FillRectangle(fPixmap, bgc->GetGC(), 0, 0, 7, 7);
gVirtualX->DrawRectangle(fPixmap, gc->GetGC(), 0, 0, 7, 7);
// gVirtualX->DrawRectangle(fPixmap, fClient->GetResourcePool()->GetSelectedBckgndGC()->GetGC(), 1, 1, 5, 5);
AddInput(kButtonPressMask);
SetBackgroundPixmap(fPixmap);
gVirtualX->SetCursor(fId, gVirtualX->CreateCursor(fType));
}
////////////////////////////////////////////////////////////////////////////////
/// Handle button press event.
Bool_t TGGrabRect::HandleButton(Event_t *ev)
{
gGuiBldDragManager->CheckDragResize(ev);
return kTRUE;
}
////////////////////////////////////////////////////////////////////////////////
class TGAroundFrame : public TGFrame {
public:
TGAroundFrame();
~TGAroundFrame() {}
};
////////////////////////////////////////////////////////////////////////////////
/// ctor.
TGAroundFrame::TGAroundFrame() : TGFrame(gClient->GetDefaultRoot(), 1, 1,
kTempFrame | kOwnBackground)
{
SetWindowAttributes_t attr;
attr.fMask = kWAOverrideRedirect | kWASaveUnder;
attr.fOverrideRedirect = kTRUE;
attr.fSaveUnder = kTRUE;
gVirtualX->ChangeWindowAttributes(fId, &attr);
ULong_t blue;
fClient->GetColorByName("blue", blue);
SetBackgroundColor(blue);
}
////////////////////////////////////////////////////////////////////////////////
class TGuiBldDragManagerPimpl {
friend class TGuiBldDragManager;
private:
TGuiBldDragManager *fManager; // drag and drop manager
TTimer *fRepeatTimer; // repeat rate timer (when mouse stays pressed)
TGFrame *fGrab; // grabbed/selected frame
TGLayoutHints *fGrabLayout; // layout of grabbed frame
TGFrame *fSaveGrab; // used during context menu handling
TGFrame *fClickFrame; // last clicked frame
TGuiBldDragManagerGrid *fGrid; //
ECursor fResizeType; // defines resize type
Int_t fX0, fY0; // initial drag position in pixels
Int_t fX, fY; // current drag position in pixels
Int_t fXf, fYf; // offset of inititial position inside frame
Int_t fGrabX, fGrabY; //
const TGWindow *fGrabParent; // parent of the grabbed/seleceted frame
Int_t fLastPopupAction;//
Bool_t fReplaceOn;
TGGrabRect *fGrabRect[8]; // small rectangles drawn over grabbed/selected frame
TGFrame *fAroundFrame[4]; // red lines drawn over layouted frame
Bool_t fGrabRectHidden;
TGFrameElement *fGrabListPosition;
Bool_t fButtonPressed; //
Bool_t fCompacted; //
TGFrame *fPlane; // highlighted plain composite frame when mose is moving
TGFrame *fSpacePressedFrame; // frame which was grabbed via spacebar pressed
Bool_t fPlacePopup; // kTRUE is menu fo frame was placed
TList *fFrameMenuTrash; // trash list
TGFrame *fMenuObject; // object/frame for which context menu is created
public:
TGuiBldDragManagerPimpl(TGuiBldDragManager *m) {
fManager = m;
fRepeatTimer = new TGuiBldDragManagerRepeatTimer(m, 100);
int i = 0;
for (i = 0; i <8; i++) {
fGrabRect[i] = new TGGrabRect(i);
}
for (i = 0; i <4; i++) {
fAroundFrame[i] = new TGAroundFrame();
}
fFrameMenuTrash = new TList();
ResetParams();
}
void ResetParams() {
fGrab = 0;
fSaveGrab = 0;
fClickFrame = 0;
fGrid = 0;
fX0 = fY0 = fX = fY = fXf = fYf = fGrabX = fGrabY = 0;
fGrabParent = 0;
fResizeType = kPointer;
fLastPopupAction = kNoneAct;
fReplaceOn = kFALSE;
fGrabLayout = 0;
fGrabRectHidden = kFALSE;
fGrabListPosition = 0;
fButtonPressed = kFALSE;
fCompacted = kFALSE;
fPlane = 0;
fSpacePressedFrame = 0;
fPlacePopup = kFALSE;
fFrameMenuTrash->Delete();
fMenuObject = 0;
}
~TGuiBldDragManagerPimpl() {
int i;
for (i = 0; i <8; i++) {
delete fGrabRect[i];
}
for (i = 0; i <4; i++) {
delete fAroundFrame[i];
}
delete fRepeatTimer;
delete fGrab;
fFrameMenuTrash->Delete();
delete fFrameMenuTrash;
if (fPlane) {
fPlane->ChangeOptions(fPlane->GetOptions() & ~kRaisedFrame);
gClient->NeedRedraw(fPlane, kTRUE);
fPlane = 0;
}
}
};
////////////////////////////////////////////////////////////////////////////////
TGuiBldDragManager::TGuiBldDragManager() : TVirtualDragManager() ,
TGFrame(gClient->GetDefaultRoot(), 1, 1)
{
// Constructor. Create "fantom window".
SetWindowAttributes_t attr;
attr.fMask = kWAOverrideRedirect | kWASaveUnder;
attr.fOverrideRedirect = kTRUE;
attr.fSaveUnder = kTRUE;
gVirtualX->ChangeWindowAttributes(fId, &attr);
gGuiBldDragManager = this;
fPimpl = new TGuiBldDragManagerPimpl(this);
fSelectionIsOn = kFALSE;
fFrameMenu = 0;
fLassoMenu = 0;
fEditor = 0;
fBuilder = 0;
fLassoDrawn = kFALSE;
fDropStatus = kFALSE;
fStop = kTRUE;
fSelected = 0;
fListOfDialogs = 0;
Reset1();
CreateListOfDialogs();
TString tmpfile = gSystem->TempDirectory();
char *s = gSystem->ConcatFileName(tmpfile.Data(),
TString::Format("RootGuiBldClipboard%d.C", gSystem->GetPid()));
fPasteFileName = s;
delete [] s;
s = gSystem->ConcatFileName(tmpfile.Data(),
TString::Format("RootGuiBldTmpFile%d.C", gSystem->GetPid()));
fTmpBuildFile = s;
delete [] s;
fName = "Gui Builder Drag Manager";
SetWindowName(fName.Data());
// let's try to solve the problems by myself
SetErrorHandler(GuiBldErrorHandler);
fClient->UnregisterWindow(this);
}
////////////////////////////////////////////////////////////////////////////////
/// Destructor
TGuiBldDragManager::~TGuiBldDragManager()
{
SetEditable(kFALSE);
delete fPimpl;
delete fBuilder;
fBuilder = 0;
// delete fEditor;
// fEditor = 0;
delete fFrameMenu;
fFrameMenu =0;
delete fLassoMenu;
fLassoMenu = 0;
if (!gSystem->AccessPathName(fPasteFileName.Data())) {
gSystem->Unlink(fPasteFileName.Data());
}
delete fListOfDialogs;
gGuiBldDragManager = 0;
}
////////////////////////////////////////////////////////////////////////////////
/// Reset some parameters
void TGuiBldDragManager::Reset1()
{
TVirtualDragManager::Init();
fTargetId = 0;
fPimpl->fPlacePopup = kFALSE;
SetCursorType(kPointer);
}
////////////////////////////////////////////////////////////////////////////////
/// Create a list of dialog methods
void TGuiBldDragManager::CreateListOfDialogs()
{
fListOfDialogs = new TList();
TList *methodList = IsA()->GetListOfMethods();
TIter next(methodList);
TString str;
TMethod *method;
while ((method = (TMethod*) next())) {
str = method->GetCommentString();
if (str.Contains("*DIALOG")) {
fListOfDialogs->Add(method);
}
}
}
////////////////////////////////////////////////////////////////////////////////
/// Draw grid on editable frame and restore background on previuosly editted one
void TGuiBldDragManager::Snap2Grid()