base/applications/charmap_new/Cell.cpp

   1 /*
   2 * PROJECT:     ReactOS Character Map
   3 * LICENSE:     GPL - See COPYING in the top level directory
   4 * FILE:        base/applications/charmap/cell.cpp
   5 * PURPOSE:     Class for each individual cell
   6 * COPYRIGHT:   Copyright 2015 Ged Murphy <gedmurphy@reactos.org>
   7 */
   8
   9
  10 #include "precomp.h"
  11 #include "Cell.h"
  12
  13
  14 /* DATA *****************************************************/
  15
  16
  17 /* PUBLIC METHODS **********************************************/
  18
  19 CCell::CCell(
  20     _In_ HWND hParent
  21     ) :
  22     CCell(hParent, RECT{0})
  23 {
  24 }
  25
  26 CCell::CCell(
  27     _In_ HWND hParent,
  28     _In_ RECT& CellCoordinates
  29     ) :
  30     m_hParent(hParent),
  31     m_CellCoordinates(CellCoordinates),
  32     m_Char(L'*'),
  33     m_bHasFocus(false),
  34     m_bIsLarge(false)
  35 {
  36 }
  37
  38 CCell::~CCell()
  39 {
  40 }
  41
  42 bool
  43 CCell::OnPaint(_In_ PAINTSTRUCT &PaintStruct)
  44 {
  45     // Check if this cell is in our paint region
  46     BOOL NeedsPaint; RECT rect;
  47     NeedsPaint = IntersectRect(&rect,
  48                                &PaintStruct.rcPaint,
  49                                &m_CellCoordinates);
  50     if (NeedsPaint == FALSE)
  51         return false;
  52
  53
  54
  55     // Draw the cell border
  56     BOOL b = Rectangle(PaintStruct.hdc,
  57                        m_CellCoordinates.left,
  58                        m_CellCoordinates.top,
  59                        m_CellCoordinates.right,
  60                        m_CellCoordinates.bottom);
  61
  62     // Calculate an internal drawing canvas for the cell
  63     RECT Internal;
  64     CopyRect(&Internal, &m_CellCoordinates);
  65     InflateRect(&Internal, -1, -1);
  66
  67     // Check if this cell has focus
  68     if (m_bHasFocus)
  69     {
  70         // Draw the smaller cell to make it look selected
  71         Rectangle(PaintStruct.hdc,
  72                   Internal.left,
  73                   Internal.top,
  74                   Internal.right,
  75                   Internal.bottom);
  76     }
  77
  78     int Success;
  79     Success = DrawTextW(PaintStruct.hdc,
  80                         &m_Char,
  81                         1,
  82                         &Internal,
  83                         DT_CENTER | DT_VCENTER | DT_SINGLELINE);
  84
  85     return (Success != 0);
  86 }
  87
  88 void
  89 CCell::SetCellCoordinates(
  90     _In_ RECT& Coordinates
  91     )
  92 {
  93     m_CellCoordinates = Coordinates;
  94 }