/* * PROJECT: ReactOS Desktop Control Panel * LICENSE: GPL - See COPYING in the top level directory * FILE: lib/cpl/desk/preview.c * PURPOSE: Draws the preview control * COPYRIGHT: Copyright 2006, 2007 Eric Kohl */ #include "desk.h" #include "theme.h" #include "preview.h" #include "draw.h" static const TCHAR szPreviewWndClass[] = TEXT("PreviewWndClass"); typedef struct _PREVIEW_DATA { HWND hwndParent; THEME Theme; HBRUSH hbrScrollbar; HBRUSH hbrDesktop; HBRUSH hbrWindow; INT cxEdge; INT cyEdge; INT cySizeFrame; INT cyCaption; INT cyBorder; INT cyMenu; INT cxScrollbar; RECT rcDesktop; RECT rcInactiveFrame; RECT rcInactiveCaption; RECT rcInactiveCaptionButtons; RECT rcActiveFrame; RECT rcActiveCaption; RECT rcActiveCaptionButtons; RECT rcActiveMenuBar; RECT rcSelectedMenuItem; RECT rcActiveClient; RECT rcActiveScroll; RECT rcDialogFrame; RECT rcDialogCaption; RECT rcDialogCaptionButtons; RECT rcDialogClient; RECT rcDialogButton; LPTSTR lpInAct; LPTSTR lpAct; LPTSTR lpWinTxt; LPTSTR lpMessBox; LPTSTR lpMessText; LPTSTR lpButText; HFONT hCaptionFont; HFONT hMenuFont; HFONT hMessageFont; HMENU hMenu; } PREVIEW_DATA, *PPREVIEW_DATA; static VOID UpdatePreviewTheme(HWND hwnd, PPREVIEW_DATA pPreviewData, THEME *theme) { if (pPreviewData->hbrScrollbar != NULL) DeleteObject(pPreviewData->hbrScrollbar); pPreviewData->hbrScrollbar = CreateSolidBrush(theme->crColor[COLOR_SCROLLBAR]); if (pPreviewData->hbrDesktop != NULL) DeleteObject(pPreviewData->hbrDesktop); pPreviewData->hbrDesktop = CreateSolidBrush(theme->crColor[COLOR_DESKTOP]); if (pPreviewData->hbrWindow != NULL) DeleteObject(pPreviewData->hbrWindow); pPreviewData->hbrWindow = CreateSolidBrush(theme->crColor[COLOR_WINDOW]); pPreviewData->cxEdge = theme->Size[SIZE_EDGE_X] - 2; /* SM_CXEDGE */ pPreviewData->cyEdge = theme->Size[SIZE_EDGE_Y] - 2; /* SM_CYEDGE */ pPreviewData->cySizeFrame = theme->Size[SIZE_FRAME_Y] - 1; /* SM_CYSIZEFRAME */ pPreviewData->cyCaption = theme->Size[SIZE_CAPTION_Y]; /* SM_CYCAPTION */ pPreviewData->cyMenu = theme->Size[SIZE_MENU_Y]; /* SM_CYMENU */ pPreviewData->cxScrollbar = theme->Size[SIZE_SCROLL_X]; /* SM_CXVSCROLL */ pPreviewData->cyBorder = theme->Size[SIZE_BORDER_Y]; /* SM_CYBORDER */ if (pPreviewData->hCaptionFont != NULL) DeleteObject(pPreviewData->hCaptionFont); pPreviewData->hCaptionFont = CreateFontIndirect(&theme->lfFont[FONT_CAPTION]); if (pPreviewData->hMenuFont != NULL) DeleteObject(pPreviewData->hMenuFont); pPreviewData->hMenuFont = CreateFontIndirect(&theme->lfFont[FONT_MENU]); if (pPreviewData->hMessageFont != NULL) DeleteObject(pPreviewData->hMessageFont); pPreviewData->hMessageFont = CreateFontIndirect(&theme->lfFont[FONT_DIALOG]); pPreviewData->Theme = *theme; InvalidateRect(hwnd, NULL, FALSE); } static VOID OnCreate(HWND hwnd, PPREVIEW_DATA pPreviewData) { THEME *theme; /* Load and modify the menu */ pPreviewData->hMenu = LoadMenu(hApplet, MAKEINTRESOURCE(IDR_PREVIEW_MENU)); EnableMenuItem(pPreviewData->hMenu, 1, MF_BYPOSITION | MF_GRAYED); HiliteMenuItem(hwnd, pPreviewData->hMenu, 2, MF_BYPOSITION | MF_HILITE); // GetMenuItemRect(hwnd, pPreviewData->hMenu, // 2, &pPreviewData->rcSelectedMenuItem); AllocAndLoadString(&pPreviewData->lpInAct, hApplet, IDS_INACTWIN); AllocAndLoadString(&pPreviewData->lpAct, hApplet, IDS_ACTWIN); AllocAndLoadString(&pPreviewData->lpWinTxt, hApplet, IDS_WINTEXT); AllocAndLoadString(&pPreviewData->lpMessBox, hApplet, IDS_MESSBOX); AllocAndLoadString(&pPreviewData->lpMessText, hApplet, IDS_MESSTEXT); AllocAndLoadString(&pPreviewData->lpButText, hApplet, IDS_BUTTEXT); theme = &pPreviewData->Theme; LoadCurrentTheme(theme); UpdatePreviewTheme(hwnd, pPreviewData, theme); } static VOID CalculateItemSize(PPREVIEW_DATA pPreviewData) { int width, height; /* Calculate the inactive window rectangle */ pPreviewData->rcInactiveFrame.left = pPreviewData->rcDesktop.left + 8; pPreviewData->rcInactiveFrame.top = pPreviewData->rcDesktop.top + 8; pPreviewData->rcInactiveFrame.right = pPreviewData->rcDesktop.right - 25; pPreviewData->rcInactiveFrame.bottom = pPreviewData->rcDesktop.bottom - 30; /* Calculate the inactive caption rectangle */ pPreviewData->rcInactiveCaption.left = pPreviewData->rcInactiveFrame.left + pPreviewData->cxEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcInactiveCaption.top = pPreviewData->rcInactiveFrame.top + pPreviewData->cyEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcInactiveCaption.right = pPreviewData->rcInactiveFrame.right - pPreviewData->cxEdge - pPreviewData->cySizeFrame - 1; pPreviewData->rcInactiveCaption.bottom = pPreviewData->rcInactiveCaption.top + pPreviewData->cyCaption - pPreviewData->cyBorder; /* Calculate the inactive caption buttons rectangle */ pPreviewData->rcInactiveCaptionButtons.left = pPreviewData->rcInactiveCaption.right - 2 - 2 - 3 * 16; pPreviewData->rcInactiveCaptionButtons.top = pPreviewData->rcInactiveCaption.top + 2; pPreviewData->rcInactiveCaptionButtons.right = pPreviewData->rcInactiveCaption.right - 2; pPreviewData->rcInactiveCaptionButtons.bottom = pPreviewData->rcInactiveCaption.bottom - 2; /* Calculate the active window rectangle */ pPreviewData->rcActiveFrame.left = pPreviewData->rcInactiveFrame.left + 3 + pPreviewData->cySizeFrame; pPreviewData->rcActiveFrame.top = pPreviewData->rcInactiveCaption.bottom + 1; pPreviewData->rcActiveFrame.right = pPreviewData->rcDesktop.right - 10; pPreviewData->rcActiveFrame.bottom = pPreviewData->rcDesktop.bottom - 25; /* Calculate the active caption rectangle */ pPreviewData->rcActiveCaption.left = pPreviewData->rcActiveFrame.left + pPreviewData->cxEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcActiveCaption.top = pPreviewData->rcActiveFrame.top + pPreviewData->cxEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcActiveCaption.right = pPreviewData->rcActiveFrame.right - pPreviewData->cxEdge - pPreviewData->cySizeFrame - 1; pPreviewData->rcActiveCaption.bottom = pPreviewData->rcActiveCaption.top + pPreviewData->cyCaption - pPreviewData->cyBorder; /* Calculate the active caption buttons rectangle */ pPreviewData->rcActiveCaptionButtons.left = pPreviewData->rcActiveCaption.right - 2 - 2 - 3 * 16; pPreviewData->rcActiveCaptionButtons.top = pPreviewData->rcActiveCaption.top + 2; pPreviewData->rcActiveCaptionButtons.right = pPreviewData->rcActiveCaption.right - 2; pPreviewData->rcActiveCaptionButtons.bottom = pPreviewData->rcActiveCaption.bottom - 2; /* Calculate the active menu bar rectangle */ pPreviewData->rcActiveMenuBar.left = pPreviewData->rcActiveFrame.left + pPreviewData->cxEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcActiveMenuBar.top = pPreviewData->rcActiveCaption.bottom + 1; pPreviewData->rcActiveMenuBar.right = pPreviewData->rcActiveFrame.right - pPreviewData->cxEdge - pPreviewData->cySizeFrame - 1; pPreviewData->rcActiveMenuBar.bottom = pPreviewData->rcActiveMenuBar.top + pPreviewData->cyMenu + 1; /* Calculate the active client rectangle */ pPreviewData->rcActiveClient.left = pPreviewData->rcActiveFrame.left + pPreviewData->cxEdge + pPreviewData->cySizeFrame + 1; pPreviewData->rcActiveClient.top = pPreviewData->rcActiveMenuBar.bottom; pPreviewData->rcActiveClient.right = pPreviewData->rcActiveFrame.right - pPreviewData->cxEdge - pPreviewData->cySizeFrame - 1; pPreviewData->rcActiveClient.bottom = pPreviewData->rcActiveFrame.bottom - pPreviewData->cyEdge - pPreviewData->cySizeFrame - 1; /* Calculate the active scroll rectangle */ pPreviewData->rcActiveScroll.left = pPreviewData->rcActiveClient.right - 2 - pPreviewData->cxScrollbar; pPreviewData->rcActiveScroll.top = pPreviewData->rcActiveClient.top + 2; pPreviewData->rcActiveScroll.right = pPreviewData->rcActiveClient.right - 2; pPreviewData->rcActiveScroll.bottom = pPreviewData->rcActiveClient.bottom - 2; /* Dialog window */ pPreviewData->rcDialogFrame.left = pPreviewData->rcActiveClient.left + 4; pPreviewData->rcDialogFrame.top = (pPreviewData->rcDesktop.bottom * 60) / 100; pPreviewData->rcDialogFrame.right = (pPreviewData->rcDesktop.right * 65) / 100; pPreviewData->rcDialogFrame.bottom = pPreviewData->rcDesktop.bottom - 5; /* Calculate the dialog caption rectangle */ pPreviewData->rcDialogCaption.left = pPreviewData->rcDialogFrame.left + 3; pPreviewData->rcDialogCaption.top = pPreviewData->rcDialogFrame.top + 3; pPreviewData->rcDialogCaption.right = pPreviewData->rcDialogFrame.right - 3; pPreviewData->rcDialogCaption.bottom = pPreviewData->rcDialogFrame.top + pPreviewData->cyCaption + 1 + 1; /* Calculate the inactive caption buttons rectangle */ pPreviewData->rcDialogCaptionButtons.left = pPreviewData->rcDialogCaption.right - 2 - 16; pPreviewData->rcDialogCaptionButtons.top = pPreviewData->rcDialogCaption.top + 2; pPreviewData->rcDialogCaptionButtons.right = pPreviewData->rcDialogCaption.right - 2; pPreviewData->rcDialogCaptionButtons.bottom = pPreviewData->rcDialogCaption.bottom - 2; /* Calculate the dialog client rectangle */ pPreviewData->rcDialogClient.left = pPreviewData->rcDialogFrame.left + 3; pPreviewData->rcDialogClient.top = pPreviewData->rcDialogCaption.bottom + 1; pPreviewData->rcDialogClient.right = pPreviewData->rcDialogFrame.right - 3; pPreviewData->rcDialogClient.bottom = pPreviewData->rcDialogFrame.bottom - 3; /* Calculate the dialog button rectangle */ width = 80; height = 28; pPreviewData->rcDialogButton.left = (pPreviewData->rcDialogClient.right + pPreviewData->rcDialogClient.left - width) / 2; pPreviewData->rcDialogButton.right = pPreviewData->rcDialogButton.left + width; pPreviewData->rcDialogButton.bottom = pPreviewData->rcDialogClient.bottom - 2; pPreviewData->rcDialogButton.top = pPreviewData->rcDialogButton.bottom - height; } static VOID OnSize(INT cx, INT cy, PPREVIEW_DATA pPreviewData) { /* Get Desktop rectangle */ pPreviewData->rcDesktop.left = 0; pPreviewData->rcDesktop.top = 0; pPreviewData->rcDesktop.right = cx; pPreviewData->rcDesktop.bottom = cy; CalculateItemSize(pPreviewData); } static VOID OnPaint(HWND hwnd, PPREVIEW_DATA pPreviewData) { PAINTSTRUCT ps; HFONT hOldFont; HDC hdc; RECT rc; THEME *theme; theme = &pPreviewData->Theme; hdc = BeginPaint(hwnd, &ps); /* Desktop */ FillRect(hdc, &pPreviewData->rcDesktop, pPreviewData->hbrDesktop); /* Inactive Window */ MyDrawEdge(hdc, &pPreviewData->rcInactiveFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE, theme); SetTextColor(hdc, theme->crColor[COLOR_INACTIVECAPTIONTEXT]); MyDrawCaptionTemp(NULL, hdc, &pPreviewData->rcInactiveCaption, pPreviewData->hCaptionFont, NULL, pPreviewData->lpInAct, DC_GRADIENT | DC_ICON | DC_TEXT, theme); MyDrawCaptionButtons(hdc, &pPreviewData->rcInactiveCaption, TRUE, pPreviewData->cyCaption - 2, theme); /* Active Window */ MyDrawEdge(hdc, &pPreviewData->rcActiveFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE, theme); SetTextColor(hdc, theme->crColor[COLOR_CAPTIONTEXT]); MyDrawCaptionTemp(NULL, hdc, &pPreviewData->rcActiveCaption, pPreviewData->hCaptionFont, NULL, pPreviewData->lpAct, DC_ACTIVE | DC_GRADIENT | DC_ICON | DC_TEXT, theme); MyDrawCaptionButtons(hdc, &pPreviewData->rcActiveCaption, TRUE, pPreviewData->cyCaption - 2, theme); /* Draw the menu bar */ MyDrawMenuBarTemp(hwnd, hdc, &pPreviewData->rcActiveMenuBar, pPreviewData->hMenu, pPreviewData->hMenuFont, theme); /* Draw the client area */ CopyRect(&rc, &pPreviewData->rcActiveClient); MyDrawEdge(hdc, &rc, EDGE_SUNKEN, BF_RECT | BF_ADJUST, theme); FillRect(hdc, &rc, pPreviewData->hbrWindow); /* Draw the client text */ CopyRect(&rc, &pPreviewData->rcActiveClient); rc.left += 4; rc.top += 2; SetTextColor(hdc, theme->crColor[COLOR_WINDOWTEXT]); hOldFont = SelectObject(hdc, pPreviewData->hCaptionFont); /* FIXME: client text is not caption text */ DrawText(hdc, pPreviewData->lpWinTxt, -1, &rc, DT_LEFT); SelectObject(hdc, hOldFont); /* Draw the scroll bar */ MyDrawScrollbar(hdc, &pPreviewData->rcActiveScroll, pPreviewData->hbrScrollbar, theme); /* Dialog Window */ MyDrawEdge(hdc, &pPreviewData->rcDialogFrame, EDGE_RAISED, BF_RECT | BF_MIDDLE, theme); SetTextColor(hdc, theme->crColor[COLOR_WINDOW]); MyDrawCaptionTemp(NULL, hdc, &pPreviewData->rcDialogCaption, pPreviewData->hCaptionFont, NULL, pPreviewData->lpMessBox, DC_ACTIVE | DC_GRADIENT | DC_ICON | DC_TEXT, theme); MyDrawCaptionButtons(hdc, &pPreviewData->rcDialogCaption, FALSE, pPreviewData->cyCaption - 2, theme); /* Draw the dialog text */ CopyRect(&rc, &pPreviewData->rcDialogClient); rc.left += 4; rc.top += 2; SetTextColor(hdc, theme->crColor[COLOR_BTNTEXT]); hOldFont = SelectObject(hdc, pPreviewData->hMessageFont); DrawText(hdc, pPreviewData->lpMessText, -1, &rc, DT_LEFT); SelectObject(hdc, hOldFont); /* Draw Button */ MyDrawFrameControl(hdc, &pPreviewData->rcDialogButton, DFC_BUTTON, DFCS_BUTTONPUSH, theme); CopyRect(&rc, &pPreviewData->rcDialogButton); SetTextColor(hdc, theme->crColor[COLOR_BTNTEXT]); hOldFont = SelectObject(hdc, pPreviewData->hMessageFont); DrawText(hdc, pPreviewData->lpButText, -1, &rc, DT_VCENTER | DT_CENTER | DT_SINGLELINE); SelectObject(hdc, hOldFont); EndPaint(hwnd, &ps); } static VOID OnLButtonDown(HWND hwnd, int xPos, int yPos, PPREVIEW_DATA pPreviewData) { UINT type = IDX_DESKTOP; POINT pt; pt.x = xPos; pt.y = yPos; if (PtInRect(&pPreviewData->rcInactiveFrame, pt)) type = IDX_INACTIVE_BORDER; if (PtInRect(&pPreviewData->rcInactiveCaption, pt)) type = IDX_INACTIVE_CAPTION; if (PtInRect(&pPreviewData->rcInactiveCaptionButtons, pt)) type = IDX_CAPTION_BUTTON; if (PtInRect(&pPreviewData->rcActiveFrame, pt)) type = IDX_ACTIVE_BORDER; if (PtInRect(&pPreviewData->rcActiveCaption, pt)) type = IDX_ACTIVE_CAPTION; if (PtInRect(&pPreviewData->rcActiveCaptionButtons, pt)) type = IDX_CAPTION_BUTTON; // if (PtInRect(&pPreviewData->rcSelectedMenuItem, pt)) // type = IDX_SELECTION; if (PtInRect(&pPreviewData->rcActiveMenuBar, pt)) type = IDX_MENU; if (PtInRect(&pPreviewData->rcActiveClient, pt)) type = IDX_WINDOW; if (PtInRect(&pPreviewData->rcActiveScroll, pt)) type = IDX_SCROLLBAR; if (PtInRect(&pPreviewData->rcDialogFrame, pt)) type = IDX_DIALOG; if (PtInRect(&pPreviewData->rcDialogCaption, pt)) type = IDX_ACTIVE_CAPTION; if (PtInRect(&pPreviewData->rcDialogCaptionButtons, pt)) type = IDX_CAPTION_BUTTON; if (PtInRect(&pPreviewData->rcDialogButton, pt)) type = IDX_3D_OBJECTS; SendMessage(GetParent(hwnd), WM_COMMAND, MAKEWPARAM(GetWindowLongPtrW(hwnd, GWLP_ID), 0), (LPARAM)type); } static VOID OnDestroy(PPREVIEW_DATA pPreviewData) { DeleteObject(pPreviewData->hbrScrollbar); DeleteObject(pPreviewData->hbrDesktop); DeleteObject(pPreviewData->hbrWindow); DeleteObject(pPreviewData->hCaptionFont); DeleteObject(pPreviewData->hMenuFont); DeleteObject(pPreviewData->hMessageFont); DestroyMenu(pPreviewData->hMenu); LocalFree((HLOCAL)pPreviewData->lpInAct); LocalFree((HLOCAL)pPreviewData->lpAct); LocalFree((HLOCAL)pPreviewData->lpWinTxt); LocalFree((HLOCAL)pPreviewData->lpMessBox); LocalFree((HLOCAL)pPreviewData->lpMessText); LocalFree((HLOCAL)pPreviewData->lpButText); } static LRESULT CALLBACK PreviewWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { PPREVIEW_DATA pPreviewData; pPreviewData = (PPREVIEW_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA); switch (uMsg) { case WM_CREATE: pPreviewData = (PPREVIEW_DATA)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(PREVIEW_DATA)); if (!pPreviewData) return -1; SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pPreviewData); OnCreate(hwnd, pPreviewData); break; case WM_SIZE: OnSize(LOWORD(lParam), HIWORD(lParam), pPreviewData); break; case WM_PAINT: OnPaint(hwnd, pPreviewData); break; case WM_LBUTTONDOWN: OnLButtonDown(hwnd, LOWORD(lParam), HIWORD(lParam), pPreviewData); break; case WM_DESTROY: OnDestroy(pPreviewData); HeapFree(GetProcessHeap(), 0, pPreviewData); break; case PVM_GETCYCAPTION: return pPreviewData->cyCaption; case PVM_SETCYCAPTION: if ((INT)lParam > 0) { pPreviewData->cyCaption = (INT)lParam; CalculateItemSize(pPreviewData); InvalidateRect(hwnd, NULL, FALSE); } break; case PVM_GETCYMENU: return pPreviewData->cyMenu; case PVM_SETCYMENU: if ((INT)lParam > 0) { pPreviewData->cyMenu = (INT)lParam; CalculateItemSize(pPreviewData); InvalidateRect(hwnd, NULL, FALSE); } break; case PVM_GETCXSCROLLBAR: return pPreviewData->cxScrollbar; case PVM_SETCXSCROLLBAR: if ((INT)lParam > 0) { pPreviewData->cxScrollbar = (INT)lParam; CalculateItemSize(pPreviewData); InvalidateRect(hwnd, NULL, FALSE); } break; case PVM_GETCYSIZEFRAME: return pPreviewData->cySizeFrame; case PVM_SETCYSIZEFRAME: if ((INT)lParam > 0) { pPreviewData->cySizeFrame = (INT)lParam; CalculateItemSize(pPreviewData); InvalidateRect(hwnd, NULL, FALSE); } break; case PVM_UPDATETHEME: UpdatePreviewTheme(hwnd, pPreviewData, (THEME *)lParam); break; default: return DefWindowProc(hwnd, uMsg, wParam, lParam); } return FALSE; } BOOL RegisterPreviewControl(IN HINSTANCE hInstance) { WNDCLASSEX wc = {0}; wc.cbSize = sizeof(WNDCLASSEX); wc.lpfnWndProc = PreviewWndProc; wc.hInstance = hInstance; wc.hCursor = LoadCursor(NULL, IDC_ARROW); wc.hbrBackground = (HBRUSH)NULL; wc.lpszClassName = szPreviewWndClass; return RegisterClassEx(&wc) != (ATOM)0; } VOID UnregisterPreviewControl(IN HINSTANCE hInstance) { UnregisterClass(szPreviewWndClass, hInstance); }