diff options
Diffstat (limited to 'fpicker/source/win32/filepicker/helppopupwindow.cxx')
| -rw-r--r-- | fpicker/source/win32/filepicker/helppopupwindow.cxx | 551 |
1 files changed, 0 insertions, 551 deletions
diff --git a/fpicker/source/win32/filepicker/helppopupwindow.cxx b/fpicker/source/win32/filepicker/helppopupwindow.cxx deleted file mode 100644 index 3990e14f5628..000000000000 --- a/fpicker/source/win32/filepicker/helppopupwindow.cxx +++ /dev/null @@ -1,551 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#include "helppopupwindow.hxx" -#include <osl/diagnose.h> - - -using osl::Mutex; - - -namespace /* private */ -{ - - const PCWSTR CURRENT_INSTANCE = L"CurrInst"; - -}; - -#define HELPPOPUPWND_CLASS_NAME L"hlppopupwnd###" - -const sal_Int32 MAX_CHARS_PER_LINE = 55; - -const sal_Int32 SHADOW_WIDTH = 6; -const sal_Int32 SHADOW_HEIGHT = 6; -const sal_Int32 SHADOW_OFFSET = 6; -const sal_Int32 YOFFSET = 20; - -const DWORD OUTER_FRAME_COLOR = 0; // black -const sal_Int32 OUTER_FRAME_WIDTH = 1; // pixel - -// it's the standard windows color of an inactive window border -const DWORD INNER_FRAME_COLOR = 0xC8D0D4; -const sal_Int32 INNER_FRAME_WIDTH = 1; // pixel - - -// static member initialization - - -osl::Mutex CHelpPopupWindow::s_Mutex; -ATOM CHelpPopupWindow::s_ClassAtom = 0; -sal_Int32 CHelpPopupWindow::s_RegisterWndClassCount = 0; - - -CHelpPopupWindow::CHelpPopupWindow( - HINSTANCE hInstance, - HWND hwndParent ) : - m_hMargins( 0 ), - m_vMargins( 0 ), - m_avCharWidth( 0 ), - m_avCharHeight( 0 ), - m_hwnd( nullptr ), - m_hwndParent( hwndParent ), - m_hInstance( hInstance ), - m_hBitmapShadow( nullptr ), - m_hBrushShadow( nullptr ) -{ - m_bWndClassRegistered = RegisterWindowClass( ); - - // create a pattern brush for the window shadow - WORD aPattern[] = { 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55 }; - - m_hBitmapShadow = CreateBitmap( 8, 8, 1, 1, aPattern ); - m_hBrushShadow = CreatePatternBrush( m_hBitmapShadow ); -} - - -CHelpPopupWindow::~CHelpPopupWindow( ) -{ - // remember: we don't have to destroy the - // preview window because it will be destroyed - // by its parent window (the FileOpen dialog) - // but we have to unregister the window class - if ( m_bWndClassRegistered ) - UnregisterWindowClass( ); - - DeleteObject( m_hBitmapShadow ); - DeleteObject( m_hBrushShadow ); -} - - -void SAL_CALL CHelpPopupWindow::setText( const OUString& aHelpText ) -{ - m_HelpText = aHelpText; -} - - -void SAL_CALL CHelpPopupWindow::show( sal_Int32 x, sal_Int32 y ) -{ - OSL_ENSURE( nullptr == m_hwnd, "method should not be called twice in sequence" ); - - // we create a window with length and height of 0 - // first in order to get a device context of this - // window, then we calculate the upper left corner - // and the dimensions and resize the window - - m_hwnd = CreateWindowExW( - 0, - HELPPOPUPWND_CLASS_NAME, - nullptr, - WS_POPUP, - 0, - 0, - 0, - 0, - m_hwndParent, - nullptr, - m_hInstance, - this ); - - OSL_ENSURE( m_hwnd, "creating help popup window failed" ); - - sal_Int32 cx_new; - sal_Int32 cy_new; - - adjustWindowSize( &cx_new, &cy_new ); - adjustWindowPos( x, y, cx_new, cy_new ); - - UpdateWindow( m_hwnd ); - ShowWindow( m_hwnd, SW_SHOW ); -} - - -HWND SAL_CALL CHelpPopupWindow::setParent( HWND hwndNewParent ) -{ - HWND oldParent = m_hwndParent; - - m_hwndParent = hwndNewParent; - - return oldParent; -} - - -// calculates the necessary dimensions of the popup -// window including the margins etc. - - -void SAL_CALL CHelpPopupWindow::calcWindowRect( LPRECT lprect ) -{ - OSL_ASSERT( m_hwnd && lprect ); - - SetRect( lprect, 0, 0, MAX_CHARS_PER_LINE * m_avCharWidth, 0 ); - - HDC hdc = GetDC( m_hwnd ); - - // set the font we are using later - HGDIOBJ oldFont = SelectObject( - hdc, GetStockObject( DEFAULT_GUI_FONT ) ); - - UINT nFormat = DT_WORDBREAK | DT_CALCRECT | DT_EXTERNALLEADING | DT_LEFT; - - if ( m_HelpText.getLength( ) <= MAX_CHARS_PER_LINE ) - nFormat |= DT_SINGLELINE; - - DrawTextW( - hdc, - reinterpret_cast<PCWSTR>(m_HelpText.getStr( )), - m_HelpText.getLength( ), - lprect, - nFormat ); - - // add the necessary space for the frames - // and margins - - lprect->bottom += - m_vMargins + - SHADOW_HEIGHT + - OUTER_FRAME_WIDTH * 2 + - INNER_FRAME_WIDTH * 2; - - lprect->right += - SHADOW_WIDTH + - 2 * m_avCharWidth + - OUTER_FRAME_WIDTH * 2 + - INNER_FRAME_WIDTH * 2; - - SelectObject( hdc, oldFont ); - - ReleaseDC( m_hwnd, hdc ); -} - - -void SAL_CALL CHelpPopupWindow::adjustWindowSize( sal_Int32* cx_new, sal_Int32* cy_new ) -{ - OSL_ASSERT( cx_new && cy_new ); - - RECT rect; - calcWindowRect( &rect ); - - // adjust the window size - SetWindowPos( - m_hwnd, - nullptr, - 0, - 0, - rect.right, - rect.bottom, - SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER ); - - *cx_new = rect.right; - *cy_new = rect.bottom; -} - - -void SAL_CALL CHelpPopupWindow::adjustWindowPos( - sal_Int32 x, sal_Int32 y, sal_Int32 cx, sal_Int32 cy ) -{ - int popX; - int popY; - int popWidth; - int popHeight; - - OSL_ASSERT( m_hwnd ); - - HDC hdc = GetDC( m_hwnd ); - - // assuming these are screen coordinates - popWidth = cx; - popHeight = cy; - popX = x - ( popWidth / 2 ); - popY = y - YOFFSET; - - int xScreen = GetDeviceCaps( hdc, HORZRES ); - int yScreen = GetDeviceCaps( hdc, VERTRES ); - - if (popX < 0) - popX = 0; - - if (popY < 0) - popY = 0; - - if ((popX + popWidth) > xScreen) - popX = xScreen - popWidth; - - if ((popY + popHeight) > yScreen) - popY = yScreen - popHeight; - - SetWindowPos( - m_hwnd, - nullptr, - popX, - popY, - 0, - 0, - SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOSIZE ); - - ReleaseDC( m_hwnd, hdc ); -} - - -void SAL_CALL CHelpPopupWindow::onPaint( HWND hWnd, HDC hdc ) -{ - RECT rc; - RECT rect; - HGDIOBJ hpen, hpenOld; - HGDIOBJ hbrOld; - COLORREF oldBkColor; - COLORREF oldTextColor; - HGDIOBJ oldFont; - HGDIOBJ oldBrush; - HGDIOBJ hBrush; - - GetClientRect( hWnd, &rc ); - - // draw the black border - - hBrush = CreateSolidBrush( GetSysColor( COLOR_INFOBK ) ); - oldBrush = SelectObject( hdc, hBrush ); - - hpen = CreatePen( PS_SOLID, 0, OUTER_FRAME_COLOR ); - hpenOld = SelectObject( hdc, hpen ); - - Rectangle( hdc, - rc.left + OUTER_FRAME_WIDTH, - rc.top + OUTER_FRAME_WIDTH, - rc.right - SHADOW_WIDTH, - rc.bottom - SHADOW_HEIGHT); - - SelectObject( hdc, oldBrush ); - SelectObject( hdc, hpenOld ); - - DeleteObject( hBrush ); - DeleteObject( hpen ); - - // draw a light gray border - - hBrush = CreateSolidBrush( GetSysColor( COLOR_INFOBK ) ); - oldBrush = SelectObject( hdc, hBrush ); - - hpen = CreatePen( PS_SOLID, 0, INNER_FRAME_COLOR ); - hpenOld = SelectObject( hdc, hpen ); - - Rectangle( hdc, - rc.left + OUTER_FRAME_WIDTH + 1, - rc.top + OUTER_FRAME_WIDTH + 1, - rc.right - SHADOW_WIDTH - OUTER_FRAME_WIDTH, - rc.bottom - SHADOW_HEIGHT - OUTER_FRAME_WIDTH ); - - SelectObject( hdc, oldBrush ); - SelectObject( hdc, hpenOld ); - - DeleteObject( hBrush ); - DeleteObject( hpen ); - - // Write some text to this window - - rect.left = rc.left + OUTER_FRAME_WIDTH + INNER_FRAME_WIDTH + 1 + m_hMargins; - rect.top = rc.top + OUTER_FRAME_WIDTH + INNER_FRAME_WIDTH + 1 + m_vMargins / 2; - rect.right = rc.right - SHADOW_WIDTH - OUTER_FRAME_WIDTH - INNER_FRAME_WIDTH - m_hMargins; - rect.bottom = rc.bottom - SHADOW_HEIGHT - OUTER_FRAME_WIDTH - INNER_FRAME_WIDTH - m_vMargins / 2; - - oldBkColor = SetBkColor( hdc, GetSysColor( COLOR_INFOBK ) ); - oldTextColor = SetTextColor( hdc, COLOR_INFOTEXT ); - - oldFont = SelectObject( hdc, GetStockObject( DEFAULT_GUI_FONT ) ); - - UINT nFormat = DT_WORDBREAK | DT_EXTERNALLEADING | DT_LEFT; - - if ( m_HelpText.getLength( ) <= MAX_CHARS_PER_LINE ) - nFormat |= DT_SINGLELINE; - - DrawTextW( - hdc, - reinterpret_cast<wchar_t const *>(m_HelpText.getStr( )), - m_HelpText.getLength( ), - &rect, - nFormat ); - - SelectObject( hdc, oldFont ); - SetTextColor( hdc, oldTextColor ); - SetBkColor( hdc, oldBkColor ); - - // set text color and text background color - // see MSDN PatBlt - - oldBkColor = SetBkColor( hdc, RGB( 0, 0, 0 ) ); - oldTextColor = SetTextColor( hdc, RGB( 255, 255, 255 ) ); - - // Get our brush for the shadow - - UnrealizeObject( m_hBrushShadow ); - hbrOld = SelectObject( hdc, m_hBrushShadow ); - - // bottom shadow - - PatBlt(hdc, - rc.left + SHADOW_OFFSET, - rc.bottom - SHADOW_HEIGHT, - rc.right - SHADOW_OFFSET - SHADOW_WIDTH, - SHADOW_HEIGHT, - 0xA000C9); - - // right-side shadow - - PatBlt(hdc, - rc.right - SHADOW_WIDTH, - rc.top + SHADOW_OFFSET, - SHADOW_WIDTH, - rc.bottom - SHADOW_OFFSET, - 0xA000C9); - - SelectObject(hdc, hbrOld); - SetTextColor( hdc, oldTextColor ); - SetBkColor( hdc, oldBkColor ); -} - - -void SAL_CALL CHelpPopupWindow::onNcDestroy() -{ - m_hwnd = nullptr; -} - - -void SAL_CALL CHelpPopupWindow::onCreate( HWND hwnd ) -{ - m_hwnd = hwnd; - - HDC hdc = GetDC( m_hwnd ); - - HGDIOBJ oldFont = SelectObject( - hdc, GetStockObject( DEFAULT_GUI_FONT ) ); - - TEXTMETRIC tm; - GetTextMetrics( hdc, &tm ); - - m_avCharWidth = tm.tmAveCharWidth; - m_avCharHeight = tm.tmHeight; - - if ( 0 == m_hMargins ) - m_hMargins = m_avCharWidth; - - if ( 0 == m_vMargins ) - m_vMargins = m_avCharHeight; - - SelectObject( hdc, oldFont ); - - ReleaseDC( m_hwnd, hdc ); -} - - -LRESULT CALLBACK CHelpPopupWindow::WndProc( - HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) -{ - LRESULT lResult = 0; - - switch ( uMsg ) - { - case WM_CREATE: - { - LPCREATESTRUCT lpcs = - reinterpret_cast< LPCREATESTRUCT >( lParam ); - - OSL_ASSERT( lpcs->lpCreateParams ); - - CHelpPopupWindow* pImpl = static_cast< CHelpPopupWindow* >( - lpcs->lpCreateParams ); - - // connect the instance handle to the window - SetPropW( hWnd, CURRENT_INSTANCE, pImpl ); - - pImpl->onCreate( hWnd ); - - // capture mouse and keybord events - SetCapture( hWnd ); - } - break; - - case WM_PAINT: - { - CHelpPopupWindow* pImpl = static_cast< CHelpPopupWindow* >( - GetPropW( hWnd, CURRENT_INSTANCE ) ); - - OSL_ASSERT( pImpl ); - - PAINTSTRUCT ps; - - BeginPaint(hWnd, &ps); - pImpl->onPaint( hWnd, ps.hdc ); - EndPaint(hWnd, &ps); - } - break; - - case WM_NCDESTROY: - { - // RemoveProp returns the saved value on success - CHelpPopupWindow* pImpl = static_cast< CHelpPopupWindow* >( - RemovePropW( hWnd, CURRENT_INSTANCE ) ); - - OSL_ASSERT( pImpl ); - - pImpl->onNcDestroy(); - } - break; - - case WM_LBUTTONDOWN: - case WM_KEYDOWN: - case WM_SYSKEYDOWN: - case WM_MBUTTONDOWN: - case WM_RBUTTONDOWN: - ReleaseCapture(); - DestroyWindow(hWnd); - break; - - default: - return DefWindowProc(hWnd, uMsg, wParam, lParam); - } - - return lResult; -} - - -ATOM SAL_CALL CHelpPopupWindow::RegisterWindowClass( ) -{ - osl::MutexGuard aGuard( s_Mutex ); - - if ( 0 == s_ClassAtom ) - { - // register the window class - WNDCLASSEX wndClsEx; - - ZeroMemory(&wndClsEx, sizeof(wndClsEx)); - - wndClsEx.cbSize = sizeof(wndClsEx); - wndClsEx.lpfnWndProc = CHelpPopupWindow::WndProc; - wndClsEx.hInstance = m_hInstance; - wndClsEx.hCursor = LoadCursor(nullptr, IDC_ARROW); - wndClsEx.hbrBackground = static_cast<HBRUSH>(GetStockObject( NULL_BRUSH )); - wndClsEx.lpszClassName = HELPPOPUPWND_CLASS_NAME; - - // register the preview window class - // !!! Win95 - the window class will be unregistered automatically - // if the dll is unloaded - // Win2000 - the window class must be unregistered manually - // if the dll is unloaded - s_ClassAtom = RegisterClassExW( &wndClsEx ); - OSL_ASSERT(s_ClassAtom); - } - - // increment the register class counter - // so that we keep track of the number - // of class registrations - if (0 != s_ClassAtom) - s_RegisterWndClassCount++; - - return s_ClassAtom; -} - - -void SAL_CALL CHelpPopupWindow::UnregisterWindowClass( ) -{ - osl::MutexGuard aGuard( s_Mutex ); - - OSL_ASSERT( ( (0 != s_ClassAtom) && (s_RegisterWndClassCount > 0)) || - ( (0 == s_ClassAtom) && (0 == s_RegisterWndClassCount) ) ); - - // update the register class counter - // and unregister the window class if - // counter drops to zero - if ( 0 != s_ClassAtom ) - { - s_RegisterWndClassCount--; - OSL_ASSERT( s_RegisterWndClassCount >= 0 ); - } - - if ( 0 == s_RegisterWndClassCount ) - { - if ( !UnregisterClassW( - reinterpret_cast<PCWSTR>((DWORD_PTR)MAKELONG( s_ClassAtom, 0 )), m_hInstance ) ) - { - OSL_FAIL( "unregister window class failed" ); - } - - s_ClassAtom = 0; - } -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |