Src/Win32/Widgets/StatusControl.cpp

   1 #include "StatusControl.h"
   2 #include "WinCommon.h"
   3
   4 #include <string>
   5
   6 // TODO: Make this a notify?
   7 CONST UINT DASHER_SHOW_PREFS = RegisterWindowMessage(_DASHER_SHOW_PREFS);
   8
   9 CStatusControl::CStatusControl(CDasherInterfaceBase *pDasherInterface) {
  10   m_pDasherInterface = pDasherInterface;
  11 }
  12
  13 // TODO: ATL has more sophisticated handlers for conrol and notify messages - consider using them instead
  14 LRESULT CStatusControl::OnCommand(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled) {
  15   switch(HIWORD(wParam)) {
  16     case CBN_SELCHANGE:
  17       SelectAlphabet();
  18       break;
  19     default:
  20       bHandled = false;
  21       break;
  22   }
  23
  24   return 0;
  25 }
  26
  27 LRESULT CStatusControl::OnNotify(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled) {
  28   NMHDR *pNotify((LPNMHDR)lParam);
  29
  30   switch(pNotify->code) {
  31     case UDN_DELTAPOS:
  32       UpdateSpeed(((LPNMUPDOWN) lParam)->iPos, ((LPNMUPDOWN) lParam)->iDelta);
  33       break;
  34     default:
  35       bHandled = false;
  36       break;
  37   }
  38
  39   return 0;
  40 }
  41
  42 LRESULT CStatusControl::OnSize(UINT message, WPARAM wParam, LPARAM lParam, BOOL& bHandled) {
  43   LayoutChildrenUpdate();
  44   return 0;
  45 }
  46
  47 HWND CStatusControl::Create(HWND hParent) {
  48   CWindowImpl<CStatusControl>::Create(hParent);
  49
  50   CreateChildren();
  51
  52   PopulateCombo();
  53   PopulateSpeed();
  54
  55   LayoutChildrenInitial();
  56
  57   return m_hWnd;
  58 }
  59
  60 void CStatusControl::CreateChildren() {
  61   // First create the two static labels.
  62   HGDIOBJ hGuiFont;
  63   hGuiFont = GetStockObject(DEFAULT_GUI_FONT);
  64
  65   std::wstring strSpeedLabel(L"Speed:");
  66   std::wstring strAlphabetLabel(L"Alphabet:");
  67
  68   // TODO: Wrap windows here in CWindow classes.
  69   m_hSpeedLabel = CreateWindowEx(WS_EX_CONTROLPARENT, TEXT("STATIC"), strSpeedLabel.c_str(),
  70       SS_CENTER | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0, 0, 0, 0, m_hWnd, NULL, WinHelper::hInstApp, NULL);
  71
  72   m_hAlphabetLabel = CreateWindowEx(WS_EX_CONTROLPARENT, TEXT("STATIC"), strAlphabetLabel.c_str(),
  73       SS_CENTER | WS_CHILD | WS_VISIBLE | WS_TABSTOP, 0, 0, 0, 0, m_hWnd, NULL, WinHelper::hInstApp, NULL);
  74
  75   SendMessage(m_hSpeedLabel, WM_SETFONT, (WPARAM) hGuiFont, true);
  76   SendMessage(m_hAlphabetLabel, WM_SETFONT, (WPARAM) hGuiFont, true);
  77
  78   SIZE sSize;
  79
  80   HDC hSpeedDC(::GetDC(m_hSpeedLabel));
  81   SelectObject(hSpeedDC, hGuiFont);
  82   GetTextExtentPoint32(hSpeedDC, strSpeedLabel.c_str(), strSpeedLabel.size(), &sSize);
  83   ::MoveWindow(m_hSpeedLabel, 0, 0, sSize.cx + 4, sSize.cy, false);
  84   ::ReleaseDC(m_hSpeedLabel, hSpeedDC);
  85
  86   HDC hAlphabetDC(::GetDC(m_hAlphabetLabel));
  87   SelectObject(hAlphabetDC, hGuiFont);
  88   GetTextExtentPoint32(hAlphabetDC, strAlphabetLabel.c_str(), strAlphabetLabel.size(), &sSize);
  89   ::MoveWindow(m_hAlphabetLabel, 0, 0, sSize.cx + 4, sSize.cy, false);
  90   ::ReleaseDC(m_hAlphabetLabel, hAlphabetDC);
  91
  92   // Next the edit box and up/down control
  93   m_hEdit = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("EDIT"), TEXT(""), WS_CHILD | WS_TABSTOP | WS_VISIBLE | WS_GROUP, 0, 0, 0, CW_USEDEFAULT, m_hWnd, NULL, WinHelper::hInstApp, NULL);
  94   SendMessage(m_hEdit, EM_LIMITTEXT, (WPARAM) 4, (LPARAM) 0);
  95
  96   HDC hdc = ::GetDC(m_hEdit);
  97   TEXTMETRIC tmGui;
  98   GetTextMetrics(hdc, &tmGui);
  99   SendMessage(m_hEdit, WM_SETFONT, (WPARAM) hGuiFont, true);
 100   ::ReleaseDC(m_hEdit, hdc);
 101
 102   int iEditHeight = tmGui.tmHeight + (GetSystemMetrics(SM_CYEDGE) * 2);
 103   m_iEditWidth = tmGui.tmAveCharWidth * 7;
 104   ::MoveWindow(m_hEdit, 0, 0, m_iEditWidth, iEditHeight, false);
 105
 106   m_hUpDown = CreateWindowEx(WS_EX_CLIENTEDGE, UPDOWN_CLASS, TEXT(""), UDS_ALIGNRIGHT | WS_CHILD  | WS_TABSTOP |WS_VISIBLE |  WS_GROUP, 0, 0, 16, 16, m_hWnd, NULL, WinHelper::hInstApp, NULL);
 107   SendMessage(m_hUpDown, UDM_SETRANGE, 0, (LPARAM) MAKELONG(800, 1));
 108
 109   // And finally the combo box
 110   m_hCombo = CreateWindowEx(WS_EX_CLIENTEDGE, TEXT("COMBOBOX"), TEXT(""), CBS_DROPDOWNLIST | WS_CHILD | WS_TABSTOP | WS_VISIBLE |WS_GROUP | ES_READONLY, 0, 0, 128, 128, m_hWnd, NULL, WinHelper::hInstApp, NULL);
 111   SendMessage(m_hCombo, WM_SETFONT, (WPARAM) hGuiFont, true);
 112
 113   DeleteObject(hGuiFont);
 114
 115   // Set the height to what is finally required. The extra pixel is needed to get everything to line up nicely
 116   MoveWindow(0, 0, 0, iEditHeight + 1, false);
 117 }
 118
 119 void CStatusControl::LayoutChildrenInitial() {
 120   RECT rc;
 121   GetWindowRect(&rc);
 122
 123   // And how much is needed for the various bits and pieces
 124   RECT sRect;
 125
 126   ::GetWindowRect(m_hSpeedLabel, &sRect);
 127   int iSpeedLabelWidth(sRect.right - sRect.left);
 128   int iSpeedLabelHeight(sRect.bottom - sRect.top);
 129
 130   ::GetWindowRect(m_hAlphabetLabel, &sRect);
 131   int iAlphabetLabelWidth(sRect.right - sRect.left);
 132   int iAlphabetLabelHeight(sRect.bottom - sRect.top);
 133
 134   ::GetWindowRect(m_hEdit, &sRect);
 135   int iEditHeight(sRect.bottom - sRect.top);
 136
 137   ::GetWindowRect(m_hCombo, &sRect);
 138   int iComboWidth(sRect.right - sRect.left);
 139   int iComboHeight(sRect.bottom - sRect.top);
 140
 141   // Finally, do the layout
 142   // TODO: This isn't necessary - the only thing which is going to change is the width of the combo
 143   int iPosition(0);
 144
 145   ::MoveWindow(m_hSpeedLabel, iPosition, (iEditHeight - iSpeedLabelHeight) / 2, iSpeedLabelWidth, iSpeedLabelHeight, TRUE);
 146   iPosition += iSpeedLabelWidth + 2;
 147
 148   ::MoveWindow(m_hEdit, iPosition, 0, m_iEditWidth, iEditHeight, TRUE);
 149   ::SendMessage(m_hUpDown, UDM_SETBUDDY, (WPARAM)m_hEdit, 0);
 150   iPosition += m_iEditWidth + 2;
 151
 152   ::MoveWindow(m_hAlphabetLabel, iPosition, (iEditHeight - iAlphabetLabelHeight) / 2, iAlphabetLabelWidth, iAlphabetLabelHeight, TRUE);
 153   iPosition += iAlphabetLabelWidth + 2;
 154
 155   ::MoveWindow(m_hCombo, iPosition, 0, rc.right - rc.left - iPosition, iComboHeight, TRUE);
 156 }
 157
 158 void CStatusControl::LayoutChildrenUpdate() {
 159   // For now don't do anything special here
 160   LayoutChildrenInitial();
 161 }
 162
 163 void CStatusControl::PopulateCombo() {
 164   int iCount(SendMessage(m_hCombo, CB_GETCOUNT, 0, 0));
 165
 166   for(int i(0); i < iCount; ++i)
 167     SendMessage(m_hCombo, CB_DELETESTRING, 0, 0);
 168
 169   std::wstring strEntry;
 170
 171   WinUTF8::UTF8string_to_wstring(m_pDasherInterface->GetStringParameter(SP_ALPHABET_ID), strEntry);
 172   SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)strEntry.c_str());
 173
 174   WinUTF8::UTF8string_to_wstring(m_pDasherInterface->GetStringParameter(SP_ALPHABET_1), strEntry);
 175   if(strEntry.size() > 0)
 176     SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)strEntry.c_str());
 177
 178   WinUTF8::UTF8string_to_wstring(m_pDasherInterface->GetStringParameter(SP_ALPHABET_2), strEntry);
 179   if(strEntry.size() > 0)
 180     SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)strEntry.c_str());
 181
 182   WinUTF8::UTF8string_to_wstring(m_pDasherInterface->GetStringParameter(SP_ALPHABET_3), strEntry);
 183   if(strEntry.size() > 0)
 184     SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)strEntry.c_str());
 185
 186   WinUTF8::UTF8string_to_wstring(m_pDasherInterface->GetStringParameter(SP_ALPHABET_4), strEntry);
 187   if(strEntry.size() > 0)
 188     SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)strEntry.c_str());
 189
 190   SendMessage(m_hCombo, CB_ADDSTRING, 0, (LPARAM) (LPCTSTR)L"More Alphabets...");
 191
 192   SendMessage(m_hCombo, CB_SETCURSEL, 0, 0);
 193 }
 194
 195 void CStatusControl::SelectAlphabet() {
 196   int iIndex(SendMessage(m_hCombo, CB_GETCURSEL, 0, 0));
 197   int iLength(SendMessage(m_hCombo, CB_GETLBTEXTLEN, iIndex, 0));
 198
 199   TCHAR *szSelection = new TCHAR[iLength + 1];
 200   SendMessage(m_hCombo, CB_GETLBTEXT, iIndex, (LPARAM)szSelection);
 201
 202   if(!_tcscmp(szSelection, L"More Alphabets...")) {
 203     SendMessage(::GetParent(GetParent().m_hWnd), DASHER_SHOW_PREFS, 0, 0);
 204   }
 205   else {
 206     std::string strNewValue;
 207     WinUTF8::wstring_to_UTF8string(szSelection, strNewValue);
 208
 209     m_pDasherInterface->SetStringParameter(SP_ALPHABET_ID, strNewValue);
 210   }
 211
 212   delete[] szSelection;
 213 }
 214
 215 void CStatusControl::PopulateSpeed() {
 216   int iValue(m_pDasherInterface->GetLongParameter(LP_MAX_BITRATE));
 217
 218   TCHAR *Buffer = new TCHAR[10];
 219   _stprintf(Buffer, TEXT("%0.2f"), iValue / 100.0);
 220   SendMessage(m_hEdit, WM_SETTEXT, 0, (LPARAM) (LPCSTR) Buffer);
 221   delete[]Buffer;
 222
 223   SendMessage(m_hUpDown, UDM_SETPOS, 0, (LPARAM) MAKELONG ((short)iValue, 0));
 224 }
 225
 226 void CStatusControl::UpdateSpeed(int iPos, int iDelta) {
 227   int iValue(iPos + iDelta);
 228
 229   if(iValue > 800)
 230     iValue = 800;
 231
 232   if(iValue < 1)
 233     iValue = 1;
 234
 235   TCHAR *Buffer = new TCHAR[10];
 236   _stprintf(Buffer, TEXT("%0.2f"), iValue / 100.0);
 237   SendMessage(m_hEdit, WM_SETTEXT, 0, (LPARAM) (LPCSTR) Buffer);
 238   delete[]Buffer;
 239
 240   m_pDasherInterface->SetLongParameter(LP_MAX_BITRATE, iValue);
 241 }