1 // Windows/Control/Dialog.cpp 2 3 #include "StdAfx.h" 4 5 #ifndef _UNICODE 6 #include "../../Common/StringConvert.h" 7 #endif 8 9 #include "Dialog.h" 10 11 extern HINSTANCE g_hInstance; 12 #ifndef _UNICODE 13 extern bool g_IsNT; 14 #endif 15 16 namespace NWindows { 17 namespace NControl { 18 19 static INT_PTR APIENTRY DialogProcedure(HWND dialogHWND, UINT message, WPARAM wParam, LPARAM lParam) 20 { 21 CWindow tempDialog(dialogHWND); 22 if (message == WM_INITDIALOG) 23 tempDialog.SetUserDataLongPtr(lParam); 24 CDialog *dialog = (CDialog *)(tempDialog.GetUserDataLongPtr()); 25 if (dialog == NULL) 26 return FALSE; 27 if (message == WM_INITDIALOG) 28 dialog->Attach(dialogHWND); 29 try { return BoolToBOOL(dialog->OnMessage(message, wParam, lParam)); } 30 catch(...) { return TRUE; } 31 } 32 33 bool CDialog::OnMessage(UINT message, WPARAM wParam, LPARAM lParam) 34 { 35 switch (message) 36 { 37 case WM_INITDIALOG: return OnInit(); 38 case WM_COMMAND: return OnCommand(wParam, lParam); 39 case WM_NOTIFY: return OnNotify((UINT)wParam, (LPNMHDR) lParam); 40 case WM_TIMER: return OnTimer(wParam, lParam); 41 case WM_SIZE: return OnSize(wParam, LOWORD(lParam), HIWORD(lParam)); 42 case WM_HELP: OnHelp(); return true; 43 /* 44 OnHelp( 45 #ifdef UNDER_CE 46 (void *) 47 #else 48 (LPHELPINFO) 49 #endif 50 lParam); 51 return true; 52 */ 53 default: return false; 54 } 55 } 56 57 bool CDialog::OnCommand(WPARAM wParam, LPARAM lParam) 58 { 59 return OnCommand(HIWORD(wParam), LOWORD(wParam), lParam); 60 } 61 62 bool CDialog::OnCommand(int code, int itemID, LPARAM lParam) 63 { 64 if (code == BN_CLICKED) 65 return OnButtonClicked(itemID, (HWND)lParam); 66 return false; 67 } 68 69 bool CDialog::OnButtonClicked(int buttonID, HWND /* buttonHWND */) 70 { 71 switch (buttonID) 72 { 73 case IDOK: OnOK(); break; 74 case IDCANCEL: OnCancel(); break; 75 case IDHELP: OnHelp(); break; 76 default: return false; 77 } 78 return true; 79 } 80 81 static bool GetWorkAreaRect(RECT *rect) 82 { 83 // use another function for multi-monitor. 84 return BOOLToBool(::SystemParametersInfo(SPI_GETWORKAREA, 0, rect, 0)); 85 } 86 87 bool IsDialogSizeOK(int xSize, int ySize) 88 { 89 // it returns for system font. Real font uses another values 90 LONG v = GetDialogBaseUnits(); 91 int x = LOWORD(v); 92 int y = HIWORD(v); 93 94 RECT rect; 95 GetWorkAreaRect(&rect); 96 int wx = RECT_SIZE_X(rect); 97 int wy = RECT_SIZE_Y(rect); 98 return 99 xSize / 4 * x <= wx && 100 ySize / 8 * y <= wy; 101 } 102 103 bool CDialog::GetMargins(int margin, int &x, int &y) 104 { 105 x = margin; 106 y = margin; 107 RECT rect; 108 rect.left = 0; 109 rect.top = 0; 110 rect.right = margin; 111 rect.bottom = margin; 112 if (!MapRect(&rect)) 113 return false; 114 x = rect.right - rect.left; 115 y = rect.bottom - rect.top; 116 return true; 117 } 118 119 int CDialog::Units_To_Pixels_X(int units) 120 { 121 RECT rect; 122 rect.left = 0; 123 rect.top = 0; 124 rect.right = units; 125 rect.bottom = units; 126 if (!MapRect(&rect)) 127 return units * 3 / 2; 128 return rect.right - rect.left; 129 } 130 131 bool CDialog::GetItemSizes(int id, int &x, int &y) 132 { 133 RECT rect; 134 if (!::GetWindowRect(GetItem(id), &rect)) 135 return false; 136 x = RECT_SIZE_X(rect); 137 y = RECT_SIZE_Y(rect); 138 return true; 139 } 140 141 void CDialog::GetClientRectOfItem(int id, RECT &rect) 142 { 143 ::GetWindowRect(GetItem(id), &rect); 144 ScreenToClient(&rect); 145 } 146 147 bool CDialog::MoveItem(int id, int x, int y, int width, int height, bool repaint) 148 { 149 return BOOLToBool(::MoveWindow(GetItem(id), x, y, width, height, BoolToBOOL(repaint))); 150 } 151 152 void CDialog::NormalizeSize(bool fullNormalize) 153 { 154 RECT workRect; 155 GetWorkAreaRect(&workRect); 156 int xSize = RECT_SIZE_X(workRect); 157 int ySize = RECT_SIZE_Y(workRect); 158 RECT rect; 159 GetWindowRect(&rect); 160 int xSize2 = RECT_SIZE_X(rect); 161 int ySize2 = RECT_SIZE_Y(rect); 162 bool needMove = (xSize2 > xSize || ySize2 > ySize); 163 if (xSize2 > xSize || (needMove && fullNormalize)) 164 { 165 rect.left = workRect.left; 166 rect.right = workRect.right; 167 xSize2 = xSize; 168 } 169 if (ySize2 > ySize || (needMove && fullNormalize)) 170 { 171 rect.top = workRect.top; 172 rect.bottom = workRect.bottom; 173 ySize2 = ySize; 174 } 175 if (needMove) 176 { 177 if (fullNormalize) 178 Show(SW_SHOWMAXIMIZED); 179 else 180 Move(rect.left, rect.top, xSize2, ySize2, true); 181 } 182 } 183 184 void CDialog::NormalizePosition() 185 { 186 RECT workRect, rect; 187 GetWorkAreaRect(&workRect); 188 GetWindowRect(&rect); 189 if (rect.bottom > workRect.bottom && rect.top > workRect.top) 190 Move(rect.left, workRect.top, RECT_SIZE_X(rect), RECT_SIZE_Y(rect), true); 191 } 192 193 bool CModelessDialog::Create(LPCTSTR templateName, HWND parentWindow) 194 { 195 HWND aHWND = CreateDialogParam(g_hInstance, templateName, parentWindow, DialogProcedure, (LPARAM)this); 196 if (aHWND == 0) 197 return false; 198 Attach(aHWND); 199 return true; 200 } 201 202 INT_PTR CModalDialog::Create(LPCTSTR templateName, HWND parentWindow) 203 { 204 return DialogBoxParam(g_hInstance, templateName, parentWindow, DialogProcedure, (LPARAM)this); 205 } 206 207 #ifndef _UNICODE 208 209 bool CModelessDialog::Create(LPCWSTR templateName, HWND parentWindow) 210 { 211 HWND aHWND; 212 if (g_IsNT) 213 aHWND = CreateDialogParamW(g_hInstance, templateName, parentWindow, DialogProcedure, (LPARAM)this); 214 else 215 { 216 AString name; 217 LPCSTR templateNameA; 218 if (IS_INTRESOURCE(templateName)) 219 templateNameA = (LPCSTR)templateName; 220 else 221 { 222 name = GetSystemString(templateName); 223 templateNameA = name; 224 } 225 aHWND = CreateDialogParamA(g_hInstance, templateNameA, parentWindow, DialogProcedure, (LPARAM)this); 226 } 227 if (aHWND == 0) 228 return false; 229 Attach(aHWND); 230 return true; 231 } 232 233 INT_PTR CModalDialog::Create(LPCWSTR templateName, HWND parentWindow) 234 { 235 if (g_IsNT) 236 return DialogBoxParamW(g_hInstance, templateName, parentWindow, DialogProcedure, (LPARAM)this); 237 AString name; 238 LPCSTR templateNameA; 239 if (IS_INTRESOURCE(templateName)) 240 templateNameA = (LPCSTR)templateName; 241 else 242 { 243 name = GetSystemString(templateName); 244 templateNameA = name; 245 } 246 return DialogBoxParamA(g_hInstance, templateNameA, parentWindow, DialogProcedure, (LPARAM)this); 247 } 248 #endif 249 250 }} 251
