/*============================================================================ CMake - Cross Platform Makefile Generator Copyright 2000-2009 Kitware, Inc., Insight Software Consortium Distributed under the OSI-approved BSD License (the "License"); see accompanying file Copyright.txt for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License for more information. ============================================================================*/ #include "cmDependsJavaParserHelper.h" #include #include "cmDependsJavaLexer.h" #include "cmSystemTools.h" #include #include #include #include #include int cmDependsJava_yyparse(yyscan_t yyscanner); cmDependsJavaParserHelper::cmDependsJavaParserHelper() { this->CurrentDepth = 0; this->UnionsAvailable = 0; this->LastClassId = 0; CurrentClass tl; tl.Name = "*"; this->ClassStack.push_back(tl); } cmDependsJavaParserHelper::~cmDependsJavaParserHelper() { this->CleanupParser(); } void cmDependsJavaParserHelper::CurrentClass::AddFileNamesForPrinting( std::vector* files, const char* prefix, const char* sep) const { std::string rname = ""; if (prefix) { rname += prefix; rname += sep; } rname += this->Name; files->push_back(rname); std::vector::const_iterator it; for (it = this->NestedClasses.begin(); it != this->NestedClasses.end(); ++it) { it->AddFileNamesForPrinting(files, rname.c_str(), sep); } } void cmDependsJavaParserHelper::DeallocateParserType(char** pt) { if (!pt) { return; } if (!*pt) { return; } *pt = CM_NULLPTR; this->UnionsAvailable--; } void cmDependsJavaParserHelper::AddClassFound(const char* sclass) { if (!sclass) { return; } std::vector::iterator it; for (it = this->ClassesFound.begin(); it != this->ClassesFound.end(); it++) { if (*it == sclass) { return; } } this->ClassesFound.push_back(sclass); } void cmDependsJavaParserHelper::AddPackagesImport(const char* sclass) { std::vector::iterator it; for (it = this->PackagesImport.begin(); it != this->PackagesImport.end(); it++) { if (*it == sclass) { return; } } this->PackagesImport.push_back(sclass); } void cmDependsJavaParserHelper::SafePrintMissing(const char* str, int line, int cnt) { if (str) { std::cout << line << " String " << cnt << " exists: "; unsigned int cc; for (cc = 0; cc < strlen(str); cc++) { unsigned char ch = str[cc]; if (ch >= 32 && ch <= 126) { std::cout << (char)ch; } else { std::cout << "<" << (int)ch << ">"; break; } } std::cout << "- " << strlen(str) << std::endl; } } void cmDependsJavaParserHelper::Print(const char* place, const char* str) { if (this->Verbose) { std::cout << "[" << place << "=" << str << "]" << std::endl; } } void cmDependsJavaParserHelper::CombineUnions(char** out, const char* in1, char** in2, const char* sep) { size_t len = 1; if (in1) { len += strlen(in1); } if (*in2) { len += strlen(*in2); } if (sep) { len += strlen(sep); } *out = new char[len]; *out[0] = 0; if (in1) { strcat(*out, in1); } if (sep) { strcat(*out, sep); } if (*in2) { strcat(*out, *in2); } if (*in2) { this->DeallocateParserType(in2); } this->UnionsAvailable++; } void cmDependsJavaParserHelper::CheckEmpty( int line, int cnt, cmDependsJavaParserHelper::ParserType* pt) { int cc; int kk = -cnt + 1; for (cc = 1; cc <= cnt; cc++) { cmDependsJavaParserHelper::ParserType* cpt = pt + kk; this->SafePrintMissing(cpt->str, line, cc); kk++; } } void cmDependsJavaParserHelper::PrepareElement( cmDependsJavaParserHelper::ParserType* me) { // Inititalize self me->str = CM_NULLPTR; } void cmDependsJavaParserHelper::AllocateParserType( cmDependsJavaParserHelper::ParserType* pt, const char* str, int len) { pt->str = CM_NULLPTR; if (len == 0) { len = (int)strlen(str); } if (len == 0) { return; } this->UnionsAvailable++; pt->str = new char[len + 1]; strncpy(pt->str, str, len); pt->str[len] = 0; this->Allocates.push_back(pt->str); } void cmDependsJavaParserHelper::StartClass(const char* cls) { CurrentClass cl; cl.Name = cls; this->ClassStack.push_back(cl); this->CurrentDepth++; } void cmDependsJavaParserHelper::EndClass() { if (this->ClassStack.empty()) { std::cerr << "Error when parsing. Current class is null" << std::endl; abort(); } if (this->ClassStack.size() <= 1) { std::cerr << "Error when parsing. Parent class is null" << std::endl; abort(); } CurrentClass& current = this->ClassStack.back(); CurrentClass& parent = this->ClassStack[this->ClassStack.size() - 2]; this->CurrentDepth--; parent.NestedClasses.push_back(current); this->ClassStack.pop_back(); } void cmDependsJavaParserHelper::PrintClasses() { if (this->ClassStack.empty()) { std::cerr << "Error when parsing. No classes on class stack" << std::endl; abort(); } std::vector files = this->GetFilesProduced(); std::vector::iterator sit; for (sit = files.begin(); sit != files.end(); ++sit) { std::cout << " " << *sit << ".class" << std::endl; } } std::vector cmDependsJavaParserHelper::GetFilesProduced() { std::vector files; CurrentClass const& toplevel = this->ClassStack.front(); std::vector::const_iterator it; for (it = toplevel.NestedClasses.begin(); it != toplevel.NestedClasses.end(); ++it) { it->AddFileNamesForPrinting(&files, CM_NULLPTR, "$"); } return files; } int cmDependsJavaParserHelper::ParseString(const char* str, int verb) { if (!str) { return 0; } this->Verbose = verb; this->InputBuffer = str; this->InputBufferPos = 0; this->CurrentLine = 0; yyscan_t yyscanner; cmDependsJava_yylex_init(&yyscanner); cmDependsJava_yyset_extra(this, yyscanner); int res = cmDependsJava_yyparse(yyscanner); cmDependsJava_yylex_destroy(yyscanner); if (res != 0) { std::cout << "JP_Parse returned: " << res << std::endl; return 0; } if (verb) { if (!this->CurrentPackage.empty()) { std::cout << "Current package is: " << this->CurrentPackage << std::endl; } std::cout << "Imports packages:"; if (!this->PackagesImport.empty()) { std::vector::iterator it; for (it = this->PackagesImport.begin(); it != this->PackagesImport.end(); ++it) { std::cout << " " << *it; } } std::cout << std::endl; std::cout << "Depends on:"; if (!this->ClassesFound.empty()) { std::vector::iterator it; for (it = this->ClassesFound.begin(); it != this->ClassesFound.end(); ++it) { std::cout << " " << *it; } } std::cout << std::endl; std::cout << "Generated files:" << std::endl; this->PrintClasses(); if (this->UnionsAvailable != 0) { std::cout << "There are still " << this->UnionsAvailable << " unions available" << std::endl; } } this->CleanupParser(); return 1; } void cmDependsJavaParserHelper::CleanupParser() { std::vector::iterator it; for (it = this->Allocates.begin(); it != this->Allocates.end(); ++it) { delete[] * it; } this->Allocates.erase(this->Allocates.begin(), this->Allocates.end()); } int cmDependsJavaParserHelper::LexInput(char* buf, int maxlen) { if (maxlen < 1) { return 0; } if (this->InputBufferPos < this->InputBuffer.size()) { buf[0] = this->InputBuffer[this->InputBufferPos++]; if (buf[0] == '\n') { this->CurrentLine++; } return 1; } buf[0] = '\n'; return 0; } void cmDependsJavaParserHelper::Error(const char* str) { unsigned long pos = static_cast(this->InputBufferPos); fprintf(stderr, "JPError: %s (%lu / Line: %d)\n", str, pos, this->CurrentLine); int cc; std::cerr << "String: ["; for (cc = 0; cc < 30 && *(this->InputBuffer.c_str() + this->InputBufferPos + cc); cc++) { std::cerr << *(this->InputBuffer.c_str() + this->InputBufferPos + cc); } std::cerr << "]" << std::endl; } void cmDependsJavaParserHelper::UpdateCombine(const char* str1, const char* str2) { if (this->CurrentCombine == "" && str1 != CM_NULLPTR) { this->CurrentCombine = str1; } this->CurrentCombine += "."; this->CurrentCombine += str2; } int cmDependsJavaParserHelper::ParseFile(const char* file) { if (!cmSystemTools::FileExists(file)) { return 0; } cmsys::ifstream ifs(file); if (!ifs) { return 0; } std::string fullfile = ""; std::string line; while (cmSystemTools::GetLineFromStream(ifs, line)) { fullfile += line + "\n"; } return this->ParseString(fullfile.c_str(), 0); } 391ffff'>bug_960391ffff Tk is a free and open-source, cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many programming languages.
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path: root/unix/tkUnixScrlbr.c
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/*
 * tkUnixScrollbar.c --
 *
 *	This file implements the Unix specific portion of the scrollbar
 *	widget.
 *
 * Copyright (c) 1996 by Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tkInt.h"
#include "tkScrollbar.h"

/*
 * Minimum slider length, in pixels (designed to make sure that the slider is
 * always easy to grab with the mouse).
 */

#define MIN_SLIDER_LENGTH	5

/*
 * Declaration of Unix specific scrollbar structure.
 */

typedef struct UnixScrollbar {
    TkScrollbar info;		/* Generic scrollbar info. */
    GC troughGC;		/* For drawing trough. */
    GC copyGC;			/* Used for copying from pixmap onto screen. */
} UnixScrollbar;

/*
 * The class procedure table for the scrollbar widget. All fields except size
 * are left initialized to NULL, which should happen automatically since the
 * variable is declared at this scope.
 */

Tk_ClassProcs tkpScrollbarProcs = {
    sizeof(Tk_ClassProcs)	/* size */
};

/*
 *----------------------------------------------------------------------
 *
 * TkpCreateScrollbar --
 *
 *	Allocate a new TkScrollbar structure.
 *
 * Results:
 *	Returns a newly allocated TkScrollbar structure.
 *
 * Side effects:
 *	Registers an event handler for the widget.
 *
 *----------------------------------------------------------------------
 */

TkScrollbar *
TkpCreateScrollbar(
    Tk_Window tkwin)
{
    UnixScrollbar *scrollPtr = (UnixScrollbar *)ckalloc(sizeof(UnixScrollbar));
    scrollPtr->troughGC = None;
    scrollPtr->copyGC = None;

    Tk_CreateEventHandler(tkwin,
	    ExposureMask|StructureNotifyMask|FocusChangeMask,
	    TkScrollbarEventProc, (ClientData) scrollPtr);

    return (TkScrollbar *) scrollPtr;
}

/*
 *--------------------------------------------------------------
 *
 * TkpDisplayScrollbar --
 *
 *	This procedure redraws the contents of a scrollbar window. It is
 *	invoked as a do-when-idle handler, so it only runs when there's
 *	nothing else for the application to do.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Information appears on the screen.
 *
 *--------------------------------------------------------------
 */

void
TkpDisplayScrollbar(
    ClientData clientData)	/* Information about window. */
{
    register TkScrollbar *scrollPtr = (TkScrollbar *) clientData;
    register Tk_Window tkwin = scrollPtr->tkwin;
    XPoint points[7];
    Tk_3DBorder border;
    int relief, width, elementBorderWidth;
    Pixmap pixmap;

    if ((scrollPtr->tkwin == NULL) || !Tk_IsMapped(tkwin)) {
	goto done;
    }

    if (scrollPtr->vertical) {
	width = Tk_Width(tkwin) - 2*scrollPtr->inset;
    } else {
	width = Tk_Height(tkwin) - 2*scrollPtr->inset;
    }
    elementBorderWidth = scrollPtr->elementBorderWidth;
    if (elementBorderWidth < 0) {
	elementBorderWidth = scrollPtr->borderWidth;
    }

    /*
     * In order to avoid screen flashes, this procedure redraws the scrollbar
     * in a pixmap, then copies the pixmap to the screen in a single
     * operation. This means that there's no point in time where the on-sreen
     * image has been cleared.
     */

    pixmap = Tk_GetPixmap(scrollPtr->display, Tk_WindowId(tkwin),
	    Tk_Width(tkwin), Tk_Height(tkwin), Tk_Depth(tkwin));

    if (scrollPtr->highlightWidth != 0) {
	GC gc;

	if (scrollPtr->flags & GOT_FOCUS) {
	    gc = Tk_GCForColor(scrollPtr->highlightColorPtr, pixmap);
	} else {
	    gc = Tk_GCForColor(scrollPtr->highlightBgColorPtr, pixmap);
	}
	Tk_DrawFocusHighlight(tkwin, gc, scrollPtr->highlightWidth, pixmap);
    }
    Tk_Draw3DRectangle(tkwin, pixmap, scrollPtr->bgBorder,
	    scrollPtr->highlightWidth, scrollPtr->highlightWidth,
	    Tk_Width(tkwin) - 2*scrollPtr->highlightWidth,
	    Tk_Height(tkwin) - 2*scrollPtr->highlightWidth,
	    scrollPtr->borderWidth, scrollPtr->relief);
    XFillRectangle(scrollPtr->display, pixmap,
	    ((UnixScrollbar*)scrollPtr)->troughGC,
	    scrollPtr->inset, scrollPtr->inset,
	    (unsigned) (Tk_Width(tkwin) - 2*scrollPtr->inset),
	    (unsigned) (Tk_Height(tkwin) - 2*scrollPtr->inset));

    /*
     * Draw the top or left arrow. The coordinates of the polygon points
     * probably seem odd, but they were carefully chosen with respect to X's
     * rules for filling polygons. These point choices cause the arrows to
     * just fill the narrow dimension of the scrollbar and be properly
     * centered.
     */

    if (scrollPtr->activeField == TOP_ARROW) {
	border = scrollPtr->activeBorder;
	relief = scrollPtr->activeField == TOP_ARROW ? scrollPtr->activeRelief
		: TK_RELIEF_RAISED;
    } else {
	border = scrollPtr->bgBorder;
	relief = TK_RELIEF_RAISED;
    }
    if (scrollPtr->vertical) {
	points[0].x = scrollPtr->inset - 1;
	points[0].y = scrollPtr->arrowLength + scrollPtr->inset - 1;
	points[1].x = width + scrollPtr->inset;
	points[1].y = points[0].y;
	points[2].x = width/2 + scrollPtr->inset;
	points[2].y = scrollPtr->inset - 1;
	Tk_Fill3DPolygon(tkwin, pixmap, border, points, 3,
		elementBorderWidth, relief);
    } else {
	points[0].x = scrollPtr->arrowLength + scrollPtr->inset - 1;
	points[0].y = scrollPtr->inset - 1;
	points[1].x = scrollPtr->inset;
	points[1].y = width/2 + scrollPtr->inset;
	points[2].x = points[0].x;
	points[2].y = width + scrollPtr->inset;
	Tk_Fill3DPolygon(tkwin, pixmap, border, points, 3,
		elementBorderWidth, relief);
    }

    /*
     * Display the bottom or right arrow.
     */

    if (scrollPtr->activeField == BOTTOM_ARROW) {
	border = scrollPtr->activeBorder;
	relief = scrollPtr->activeField == BOTTOM_ARROW
		? scrollPtr->activeRelief : TK_RELIEF_RAISED;
    } else {
	border = scrollPtr->bgBorder;
	relief = TK_RELIEF_RAISED;
    }
    if (scrollPtr->vertical) {
	points[0].x = scrollPtr->inset;
	points[0].y = Tk_Height(tkwin) - scrollPtr->arrowLength
		- scrollPtr->inset + 1;
	points[1].x = width/2 + scrollPtr->inset;
	points[1].y = Tk_Height(tkwin) - scrollPtr->inset;
	points[2].x = width + scrollPtr->inset;
	points[2].y = points[0].y;
	Tk_Fill3DPolygon(tkwin, pixmap, border,
		points, 3, elementBorderWidth, relief);
    } else {
	points[0].x = Tk_Width(tkwin) - scrollPtr->arrowLength
		- scrollPtr->inset + 1;
	points[0].y = scrollPtr->inset - 1;
	points[1].x = points[0].x;
	points[1].y = width + scrollPtr->inset;
	points[2].x = Tk_Width(tkwin) - scrollPtr->inset;
	points[2].y = width/2 + scrollPtr->inset;
	Tk_Fill3DPolygon(tkwin, pixmap, border,
		points, 3, elementBorderWidth, relief);
    }

    /*
     * Display the slider.
     */

    if (scrollPtr->activeField == SLIDER) {
	border = scrollPtr->activeBorder;
	relief = scrollPtr->activeField == SLIDER ? scrollPtr->activeRelief
		: TK_RELIEF_RAISED;
    } else {
	border = scrollPtr->bgBorder;
	relief = TK_RELIEF_RAISED;
    }
    if (scrollPtr->vertical) {
	Tk_Fill3DRectangle(tkwin, pixmap, border,
		scrollPtr->inset, scrollPtr->sliderFirst,
		width, scrollPtr->sliderLast - scrollPtr->sliderFirst,
		elementBorderWidth, relief);
    } else {
	Tk_Fill3DRectangle(tkwin, pixmap, border,
		scrollPtr->sliderFirst, scrollPtr->inset,
		scrollPtr->sliderLast - scrollPtr->sliderFirst, width,
		elementBorderWidth, relief);
    }

    /*
     * Copy the information from the off-screen pixmap onto the screen, then
     * delete the pixmap.
     */

    XCopyArea(scrollPtr->display, pixmap, Tk_WindowId(tkwin),
	    ((UnixScrollbar*)scrollPtr)->copyGC, 0, 0,
	    (unsigned) Tk_Width(tkwin), (unsigned) Tk_Height(tkwin), 0, 0);
    Tk_FreePixmap(scrollPtr->display, pixmap);

  done:
    scrollPtr->flags &= ~REDRAW_PENDING;
}

/*
 *----------------------------------------------------------------------
 *