TextBuffer Class Reference

List of all members.

Public Member Functions

 TextBuffer ()
 ~TextBuffer ()
int GetNumberOfLines ()
void SetHeightOfPage (int a_height)
void SetEndOfPage (int a_value)
int GetEndOfPage ()
void IncrementEndOfPage ()
void DecrementEndOfPage ()
void JumpDownEndOfPage ()
void JumpUpEndOfPage ()
G4bool AppendString (char *a_string)
void Draw (HDC a_hdc, RECT *a_rect)

Private Attributes

G4String * lines
int linen
int linei
int endOfPage
int heightOfPage
char spaces [256]

Detailed Description

Definition at line 55 of file G4UIWin32.cc.

Constructor & Destructor Documentation

TextBuffer::TextBuffer (  ) 

Definition at line 81 of file G4UIWin32.cc.

References linen, lines, and spaces.

00082  : linei(0),linen(TEXT_MAX_LINES),endOfPage(0),heightOfPage(12)
00083 {
00084   lines = new G4String[linen];
00085   for(int count=0;count<256;count++) spaces[count] = ' ';
00086 }

TextBuffer::~TextBuffer (  ) 

Definition at line 88 of file G4UIWin32.cc.

References lines.

00089 {
00090   delete [] lines;
00091 }

Member Function Documentation

int TextBuffer::GetNumberOfLines (  )  [inline]

Definition at line 61 of file G4UIWin32.cc.

References linei.

00061 { return linei;}

void TextBuffer::SetHeightOfPage ( int  a_height  )  [inline]

Definition at line 62 of file G4UIWin32.cc.

References heightOfPage.

00062 { heightOfPage = a_height; }

void TextBuffer::SetEndOfPage ( int  a_value  ) 

Definition at line 93 of file G4UIWin32.cc.

References endOfPage, and linei.

00094 {
00095   if( (a_value<0) || (a_value>=linei)) {
00096     endOfPage = linei-1;
00097   } else {
00098     endOfPage = a_value;
00099   }
00100 }

int TextBuffer::GetEndOfPage (  )  [inline]

Definition at line 64 of file G4UIWin32.cc.

References endOfPage.

00064 { return endOfPage; }

void TextBuffer::IncrementEndOfPage (  ) 

Definition at line 102 of file G4UIWin32.cc.

References endOfPage, and linei.

00103 {
00104   endOfPage++;
00105   if(endOfPage>=linei) endOfPage = linei-1;
00106 }

void TextBuffer::DecrementEndOfPage (  ) 

Definition at line 108 of file G4UIWin32.cc.

References endOfPage.

00109 {
00110   endOfPage--;
00111   if(endOfPage<0) endOfPage = 0;
00112 }

void TextBuffer::JumpDownEndOfPage (  ) 

Definition at line 114 of file G4UIWin32.cc.

References endOfPage, heightOfPage, and linei.

00115 {
00116   endOfPage += heightOfPage;
00117   if(endOfPage>=linei) endOfPage = linei-1;
00118 }

void TextBuffer::JumpUpEndOfPage (  ) 

Definition at line 120 of file G4UIWin32.cc.

References endOfPage, and heightOfPage.

00121 {
00122   endOfPage -= heightOfPage;
00123   if(endOfPage<0) endOfPage = 0;
00124 }

G4bool TextBuffer::AppendString ( char *  a_string  ) 

Definition at line 126 of file G4UIWin32.cc.

References endOfPage, linei, linen, and lines.

00127 {
00128   G4bool value = false;
00129   if( (a_string==NULL) || (a_string[0]=='\0') ) return value;
00130   int length = strlen(a_string);
00131   if(a_string[length-1]=='\n') {
00132     lines[linei] += a_string; 
00133     lines[linei] = lines[linei].strip(G4String::trailing,'\n');
00134     linei++;
00135     value = true;
00136   } else {
00137     lines[linei] += a_string; 
00138   }
00139   if(linei>=linen) {
00140     for(int count=0;count<linen;count++) {
00141       lines[count] = "";
00142     }
00143     linei = 0;
00144   }
00145   if(value==true) endOfPage = linei-1;
00146   return value;
00147 }

void TextBuffer::Draw ( HDC  a_hdc,
RECT *  a_rect 
)

Definition at line 149 of file G4UIWin32.cc.

References endOfPage, heightOfPage, linei, lines, and spaces.

00150 {
00151   TEXTMETRIC tm;
00152   GetTextMetrics (a_hdc,&tm);
00153   short charWidth = (short)tm.tmAveCharWidth;
00154   short charHeight = (short)(tm.tmHeight + tm.tmExternalLeading);
00155   for(int row=0;row<heightOfPage;row++) {
00156     int rowi = endOfPage - row;
00157     short y = (short)(a_rect->bottom - charHeight * (row + 1));
00158     if((rowi>=0)&&(rowi<linei)) {
00159       TextOut (a_hdc,0,y,(char*)spaces,256); //Clear text background first.
00160       const char* string = lines[rowi].data();
00161       if(string!=NULL) {
00162         TextOut (a_hdc,0,y,(char*)string,strlen((char*)string));
00163       }
00164     }
00165   }
00166 }

Member Data Documentation

G4String* TextBuffer::lines [private]

Definition at line 74 of file G4UIWin32.cc.

Referenced by AppendString(), Draw(), TextBuffer(), and ~TextBuffer().

int TextBuffer::linen [private]

Definition at line 75 of file G4UIWin32.cc.

Referenced by AppendString(), and TextBuffer().

int TextBuffer::linei [private]

Definition at line 76 of file G4UIWin32.cc.

Referenced by AppendString(), Draw(), GetNumberOfLines(), IncrementEndOfPage(), JumpDownEndOfPage(), and SetEndOfPage().

int TextBuffer::endOfPage [private]

Definition at line 77 of file G4UIWin32.cc.

Referenced by AppendString(), DecrementEndOfPage(), Draw(), GetEndOfPage(), IncrementEndOfPage(), JumpDownEndOfPage(), JumpUpEndOfPage(), and SetEndOfPage().

int TextBuffer::heightOfPage [private]

Definition at line 77 of file G4UIWin32.cc.

Referenced by Draw(), JumpDownEndOfPage(), JumpUpEndOfPage(), and SetHeightOfPage().

char TextBuffer::spaces[256] [private]

Definition at line 78 of file G4UIWin32.cc.

Referenced by Draw(), and TextBuffer().

The documentation for this class was generated from the following file:
Generated on Fri Jun 22 10:28:51 2007 by  doxygen 1.5.2