Mercurial > ecos

annotate host/tools/configtool/common/win32/SplitterWndEx.cpp @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
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children 74dbf4c3f2e1
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 //####COPYRIGHTBEGIN####
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2 //
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3 // ----------------------------------------------------------------------------
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4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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5 //
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6 // This program is part of the eCos host tools.
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7 //
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8 // This program is free software; you can redistribute it and/or modify it
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9 // under the terms of the GNU General Public License as published by the Free
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10 // Software Foundation; either version 2 of the License, or (at your option)
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11 // any later version.
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12 //
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13 // This program is distributed in the hope that it will be useful, but WITHOUT
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14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 // more details.
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17 //
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18 // You should have received a copy of the GNU General Public License along with
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19 // this program; if not, write to the Free Software Foundation, Inc.,
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20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 //
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22 // ----------------------------------------------------------------------------
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23 //
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24 //####COPYRIGHTEND####
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25 //
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26 //===========================================================================
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27 //#####DESCRIPTIONBEGIN####
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28 //
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29 // Author(s): sdf
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30 // Contact(s): sdf
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31 // Date: 1998/08/11
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32 // Version: 0.01
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33 // Purpose:
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34 // Description: This is the implementation of the extended splitter window class.
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35 // Requires:
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36 // Provides:
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37 // See also:
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38 // Known bugs:
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39 // Usage:
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40 //
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41 //####DESCRIPTIONEND####
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42 //
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43 //===========================================================================
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44 #include "stdafx.h"
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45 #include "SplitterWndEx.h"
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46
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47 #ifdef _DEBUG
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48 #define new DEBUG_NEW
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49 #undef THIS_FILE
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50 static char THIS_FILE[] = __FILE__;
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51 #endif
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52
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53 ////////////////////////////////////////////////////////////////////////////
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54 //
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55 // CSplitterWndEx
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56
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57 CSplitterWndEx::CSplitterWndEx():
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58 m_fRowColumnRatio(0.0)
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59 {
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60 m_bParentHide=FALSE;
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61 m_pwnd1=m_pwnd2=NULL;
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62 }
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63
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64 BEGIN_MESSAGE_MAP(CSplitterWndEx, CSplitterWnd)
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65 //{{AFX_MSG_MAP(CSplitterWndEx)
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66 ON_WM_MOUSEWHEEL()
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67 ON_WM_SIZE()
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68 //}}AFX_MSG_MAP
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69 END_MESSAGE_MAP()
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70
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71 void CSplitterWndEx::ShowPane(CWnd * pWnd,BOOL bShow)
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72 {
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73 if(m_pwnd1==NULL){
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74 m_pwnd1=GetPane(0,0);
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75 m_pwnd2=GetPane(!IsHorizontal(),IsHorizontal());
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76 }
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77
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78 ASSERT(pWnd==m_pwnd1 || pWnd==m_pwnd2);
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79
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80 int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
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81
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82 if(bShow){
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83 if(!pWnd->IsWindowVisible()){
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84 if(m_bParentHide){
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85 ((CSplitterWndEx *)GetParent())->ShowPane(this,TRUE);
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86 // Ensure the correct pane reappears
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87 if(GetPane(0,0)!=pWnd){
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88 // Need to swap the entries
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89 SwapRowColInfo();
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90 }
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91 m_bParentHide=FALSE;
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92 } else { // maybe nothing to do
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93 nRowCols++;
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94 if(pWnd==m_pwnd1){
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95 // Need to swap the entries
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96 SwapRowColInfo();
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97 }
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98 }
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99
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100 pWnd->ShowWindow(SW_SHOW);
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101 }
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102 if(pWnd==m_pwnd1){
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103 m_pwnd1->SetDlgCtrlID(AFX_IDW_PANE_FIRST);
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104 m_pwnd2->SetDlgCtrlID(AFX_IDW_PANE_FIRST+(IsHorizontal()?1:16));
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105 }
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106 } else {
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107 if(pWnd->IsWindowVisible()){
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108
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109 pWnd->ShowWindow(SW_HIDE);
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110 if(nRowCols == 1) {
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111 m_bParentHide=TRUE;
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112 ((CSplitterWndEx *)GetParent())->ShowPane(this,FALSE);
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113 } else {
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114 // Both panes currently active
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115 int rowActive, colActive;
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116 if (GetActivePane(&rowActive, &colActive) != NULL && pWnd==GetPane(rowActive, colActive)){
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117 int bHorz=IsHorizontal();
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118 SetActivePane((!bHorz)&(rowActive^1), (bHorz)&(colActive^1));
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119 }
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120 if(pWnd==m_pwnd1){
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121 SwapRowColInfo();
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122 m_pwnd2->SetDlgCtrlID(AFX_IDW_PANE_FIRST);
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123 m_pwnd1->SetDlgCtrlID(AFX_IDW_PANE_FIRST+1);
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124 }
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125 nRowCols--;
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126 }
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127 }
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128 }
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129 RecalcLayout();
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130 }
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131
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132 void CSplitterWndEx::SwapRowColInfo()
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133 {
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134 CRowColInfo*& pRowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
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135
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136 // Need to swap the entries
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137 CRowColInfo save;
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138 memcpy(&save,&pRowColInfo[0],sizeof CRowColInfo);
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139 memcpy(&pRowColInfo[0],&pRowColInfo[1],sizeof CRowColInfo);
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140 memcpy(&pRowColInfo[1],&save,sizeof CRowColInfo);
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141 }
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142
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143
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144 // We do this because the CSplitterWnd implementation assumes both children are derived
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145 // from CScrollView - so here we just let the children handle the message themselves.
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146 BOOL CSplitterWndEx::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt)
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147 {
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148 return TRUE;
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149 UNUSED_ALWAYS(nFlags);
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150 UNUSED_ALWAYS(zDelta);
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151 UNUSED_ALWAYS(pt);
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152 }
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153
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154 void CSplitterWndEx::OnSize(UINT nType, int cx, int cy)
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155 {
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156 int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
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157 CRowColInfo *&RowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
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158 if(nRowCols>1 && (cx|cy) && m_fRowColumnRatio!=0.0){
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159 RowColInfo[0].nIdealSize=int(0.5 + m_fRowColumnRatio * double(IsHorizontal()?cx:cy));
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160 }
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161 CSplitterWnd::OnSize( nType, cx, cy );
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162 }
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163
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164 void CSplitterWndEx::RecalcLayout()
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165 {
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166 CSplitterWnd::RecalcLayout();
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167 CRowColInfo *&RowColInfo=IsHorizontal()?m_pColInfo:m_pRowInfo;
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168 int &nRowCols=IsHorizontal()?m_nCols:m_nRows;
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169 if (nRowCols==2 && RowColInfo[0].nCurSize && RowColInfo[1].nCurSize){
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170 CRect rect;
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171 GetClientRect(rect);
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172 m_fRowColumnRatio=double(RowColInfo[0].nCurSize)/double(IsHorizontal()?rect.Width():rect.Height());
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173 }
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174 }
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175
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176 double CSplitterWndEx::GetSplitPoint()
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177 {
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178 return m_fRowColumnRatio;
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179 }
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180
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181 void CSplitterWndEx::SetSplitPoint(double fSplit)
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182 {
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183 m_fRowColumnRatio=fSplit;
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184 CRect rc;
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185 GetClientRect(rc);
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186 OnSize(SIZE_RESTORED,rc.Width(),rc.Height());
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187 }