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splitter.c
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00001 /* 00002 * PROJECT: ReactOS Applications Manager 00003 * LICENSE: GPL - See COPYING in the top level directory 00004 * FILE: base/applications/rapps/splitter.c 00005 * PURPOSE: SplitterBar functions 00006 * PROGRAMMERS: Dmitry Chapyshev (dmitry@reactos.org) 00007 */ 00008 00009 #include "rapps.h" 00010 00011 HWND hVSplitter = NULL; 00012 HWND hHSplitter = NULL; 00013 00014 static int HSplitterPos = 0; 00015 00016 int 00017 GetHSplitterPos(VOID) 00018 { 00019 return HSplitterPos; 00020 } 00021 00022 VOID 00023 SetHSplitterPos(int Pos) 00024 { 00025 HSplitterPos = Pos; 00026 } 00027 00028 /* Callback for horizontal splitter bar */ 00029 LRESULT CALLBACK 00030 HSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam) 00031 { 00032 switch (Msg) 00033 { 00034 case WM_CREATE: 00035 { 00036 SetHSplitterPos(GetWindowHeight(hListView)); 00037 } 00038 break; 00039 00040 case WM_LBUTTONDOWN: 00041 { 00042 SetCapture(hwnd); 00043 } 00044 break; 00045 00046 case WM_LBUTTONUP: 00047 case WM_RBUTTONDOWN: 00048 if (GetCapture() == hwnd) 00049 { 00050 ReleaseCapture(); 00051 } 00052 break; 00053 00054 case WM_MOUSEMOVE: 00055 if (GetCapture() == hwnd) 00056 { 00057 int Width = GetClientWindowWidth(hMainWnd) - GetWindowWidth(hTreeView) - SPLIT_WIDTH; 00058 int NewPos; 00059 HDWP hdwp; 00060 POINT Point; 00061 00062 GetCursorPos(&Point); 00063 ScreenToClient(hMainWnd, &Point); 00064 00065 NewPos = Point.y; 00066 00067 if ((GetClientWindowHeight(hMainWnd) - GetWindowHeight(hStatusBar) - SPLIT_WIDTH) < NewPos) 00068 break; 00069 00070 if ((GetWindowHeight(hToolBar) + SPLIT_WIDTH) > NewPos) 00071 break; 00072 00073 SetHSplitterPos(NewPos); 00074 00075 hdwp = BeginDeferWindowPos(3); 00076 00077 /* Size HSplitBar */ 00078 DeferWindowPos(hdwp, 00079 hHSplitter, 00080 0, 00081 GetWindowWidth(hTreeView) + SPLIT_WIDTH, 00082 Point.y, 00083 Width, 00084 SPLIT_WIDTH, 00085 SWP_NOZORDER|SWP_NOACTIVATE); 00086 00087 /* Size ListView */ 00088 DeferWindowPos(hdwp, 00089 hListView, 00090 0, 00091 GetWindowWidth(hTreeView) + SPLIT_WIDTH, 00092 GetWindowHeight(hToolBar), 00093 Width, 00094 Point.y - GetWindowHeight(hToolBar), 00095 SWP_NOZORDER|SWP_NOACTIVATE); 00096 00097 /* Size RichEdit */ 00098 DeferWindowPos(hdwp, 00099 hRichEdit, 00100 0, 00101 GetWindowWidth(hTreeView) + SPLIT_WIDTH, 00102 Point.y + SPLIT_WIDTH, 00103 Width, 00104 GetClientWindowHeight(hMainWnd) - (Point.y + SPLIT_WIDTH + GetWindowHeight(hStatusBar)), 00105 SWP_NOZORDER|SWP_NOACTIVATE); 00106 00107 EndDeferWindowPos(hdwp); 00108 } 00109 break; 00110 } 00111 00112 return DefWindowProc(hwnd, Msg, wParam, lParam); 00113 } 00114 00115 /* Create horizontal splitter bar */ 00116 BOOL 00117 CreateHSplitBar(HWND hwnd) 00118 { 00119 WCHAR szWindowClass[] = L"HSplitterWindowClass"; 00120 WNDCLASSEXW WndClass = {0}; 00121 00122 WndClass.cbSize = sizeof(WNDCLASSEXW); 00123 WndClass.lpszClassName = szWindowClass; 00124 WndClass.lpfnWndProc = HSplitterWindowProc; 00125 WndClass.hInstance = hInst; 00126 WndClass.style = CS_HREDRAW | CS_VREDRAW; 00127 WndClass.hCursor = LoadCursor(0, IDC_SIZENS); 00128 WndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); 00129 00130 if (RegisterClassExW(&WndClass) == (ATOM) 0) 00131 { 00132 /* TODO: Show error message */ 00133 return FALSE; 00134 } 00135 00136 hHSplitter = CreateWindowExW(WS_EX_TRANSPARENT, 00137 szWindowClass, 00138 NULL, 00139 WS_CHILD | WS_VISIBLE, 00140 205, 180, 465, SPLIT_WIDTH, 00141 hwnd, 00142 NULL, 00143 hInst, 00144 NULL); 00145 00146 00147 if (hHSplitter == NULL) 00148 { 00149 /* TODO: Show error message */ 00150 return FALSE; 00151 } 00152 00153 ShowWindow(hHSplitter, SW_SHOW); 00154 UpdateWindow(hHSplitter); 00155 00156 return TRUE; 00157 } 00158 00159 /* Callback for vertical splitter bar */ 00160 LRESULT CALLBACK 00161 VSplitterWindowProc(HWND hwnd, UINT Msg, WPARAM wParam, LPARAM lParam) 00162 { 00163 switch (Msg) 00164 { 00165 case WM_LBUTTONDOWN: 00166 SetCapture(hwnd); 00167 break; 00168 00169 case WM_LBUTTONUP: 00170 case WM_RBUTTONDOWN: 00171 if (GetCapture() == hwnd) 00172 { 00173 ReleaseCapture(); 00174 } 00175 break; 00176 00177 case WM_MOUSEMOVE: 00178 if (GetCapture() == hwnd) 00179 { 00180 HDWP hdwp; 00181 POINT Point; 00182 00183 GetCursorPos(&Point); 00184 ScreenToClient(hMainWnd, &Point); 00185 00186 if ((GetClientWindowWidth(hMainWnd) - SPLIT_WIDTH) < Point.x) 00187 break; 00188 00189 if (SPLIT_WIDTH > Point.x) 00190 break; 00191 00192 hdwp = BeginDeferWindowPos(5); 00193 00194 /* Size VSplitBar */ 00195 DeferWindowPos(hdwp, 00196 hwnd, 00197 0, 00198 Point.x, 00199 GetWindowHeight(hToolBar), 00200 SPLIT_WIDTH, 00201 GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar), 00202 SWP_NOZORDER|SWP_NOACTIVATE); 00203 00204 /* Size TreeView */ 00205 DeferWindowPos(hdwp, 00206 hTreeView, 00207 0, 00208 0, 00209 GetWindowHeight(hToolBar), 00210 Point.x, 00211 GetClientWindowHeight(hMainWnd) - GetWindowHeight(hToolBar) - GetWindowHeight(hStatusBar), 00212 SWP_NOZORDER|SWP_NOACTIVATE); 00213 00214 /* Size ListView */ 00215 DeferWindowPos(hdwp, 00216 hListView, 00217 0, 00218 Point.x + SPLIT_WIDTH, 00219 GetWindowHeight(hToolBar), 00220 GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH), 00221 GetHSplitterPos() - GetWindowHeight(hToolBar), 00222 SWP_NOZORDER|SWP_NOACTIVATE); 00223 00224 DeferWindowPos(hdwp, 00225 hRichEdit, 00226 0, 00227 Point.x + SPLIT_WIDTH, 00228 GetHSplitterPos() + SPLIT_WIDTH, 00229 GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH), 00230 GetClientWindowHeight(hMainWnd) - (GetHSplitterPos() + SPLIT_WIDTH + GetWindowHeight(hStatusBar)), 00231 SWP_NOZORDER|SWP_NOACTIVATE); 00232 00233 DeferWindowPos(hdwp, 00234 hHSplitter, 00235 0, 00236 Point.x + SPLIT_WIDTH, 00237 GetHSplitterPos(), 00238 GetClientWindowWidth(hMainWnd) - (Point.x + SPLIT_WIDTH), 00239 SPLIT_WIDTH, 00240 SWP_NOZORDER|SWP_NOACTIVATE); 00241 00242 EndDeferWindowPos(hdwp); 00243 } 00244 break; 00245 } 00246 00247 return DefWindowProc(hwnd, Msg, wParam, lParam); 00248 } 00249 00250 /* Create vertical splitter bar */ 00251 BOOL 00252 CreateVSplitBar(HWND hwnd) 00253 { 00254 WCHAR szWindowClass[] = L"VSplitterWindowClass"; 00255 WNDCLASSEXW WndClass = {0}; 00256 00257 WndClass.cbSize = sizeof(WNDCLASSEXW); 00258 WndClass.lpszClassName = szWindowClass; 00259 WndClass.lpfnWndProc = VSplitterWindowProc; 00260 WndClass.hInstance = hInst; 00261 WndClass.style = CS_HREDRAW | CS_VREDRAW; 00262 WndClass.hCursor = LoadCursor(0, IDC_SIZEWE); 00263 WndClass.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1); 00264 00265 if (RegisterClassExW(&WndClass) == (ATOM) 0) 00266 { 00267 /* TODO: Show error message */ 00268 return FALSE; 00269 } 00270 00271 hVSplitter = CreateWindowExW(WS_EX_TRANSPARENT, 00272 szWindowClass, 00273 NULL, 00274 WS_CHILD | WS_VISIBLE, 00275 201, 28, SPLIT_WIDTH, 350, 00276 hwnd, 00277 NULL, 00278 hInst, 00279 NULL); 00280 00281 00282 if (!hVSplitter) 00283 { 00284 /* TODO: Show error message */ 00285 return FALSE; 00286 } 00287 00288 ShowWindow(hVSplitter, SW_SHOW); 00289 UpdateWindow(hVSplitter); 00290 00291 return TRUE; 00292 }
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