X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7f461f8a0597bc6e301e2eba376eac385990abc3..7f8bd9fc5ff34562a7e5c411d95cef99582f7aab:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 70e85f8ed9..431b30b32c 100644 --- a/src/html/htmlwin.cpp +++ b/src/html/htmlwin.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: htmlwin.cpp +// Name: src/html/htmlwin.cpp // Purpose: wxHtmlWindow class for parsing & displaying HTML (implementation) // Author: Vaclav Slavik // RCS-ID: $Id$ @@ -7,36 +7,29 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#pragma implementation "htmlwin.h" -#pragma implementation "htmlproc.h" -#endif - #include "wx/wxprec.h" -#include "wx/defs.h" -#if wxUSE_HTML && wxUSE_STREAMS - #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_HTML && wxUSE_STREAMS + #ifndef WXPRECOMP + #include "wx/list.h" #include "wx/log.h" #include "wx/intl.h" #include "wx/dcclient.h" #include "wx/frame.h" + #include "wx/dcmemory.h" + #include "wx/timer.h" + #include "wx/settings.h" + #include "wx/dataobj.h" #endif #include "wx/html/htmlwin.h" #include "wx/html/htmlproc.h" -#include "wx/list.h" #include "wx/clipbrd.h" -#include "wx/dataobj.h" -#include "wx/timer.h" -#include "wx/dcmemory.h" -#include "wx/settings.h" #include "wx/arrimpl.cpp" #include "wx/listimpl.cpp" @@ -141,21 +134,134 @@ private: //----------------------------------------------------------------------------- WX_DECLARE_OBJARRAY(wxHtmlHistoryItem, wxHtmlHistoryArray); -WX_DEFINE_OBJARRAY(wxHtmlHistoryArray); +WX_DEFINE_OBJARRAY(wxHtmlHistoryArray) WX_DECLARE_LIST(wxHtmlProcessor, wxHtmlProcessorList); -WX_DEFINE_LIST(wxHtmlProcessorList); +WX_DEFINE_LIST(wxHtmlProcessorList) + +//----------------------------------------------------------------------------- +// wxHtmlWindowMouseHelper +//----------------------------------------------------------------------------- + +wxHtmlWindowMouseHelper::wxHtmlWindowMouseHelper(wxHtmlWindowInterface *iface) + : m_tmpMouseMoved(false), + m_tmpLastLink(NULL), + m_tmpLastCell(NULL), + m_interface(iface) +{ +} + +void wxHtmlWindowMouseHelper::HandleMouseMoved() +{ + m_tmpMouseMoved = true; +} + +bool wxHtmlWindowMouseHelper::HandleMouseClick(wxHtmlCell *rootCell, + const wxPoint& pos, + const wxMouseEvent& event) +{ + if (!rootCell) + return false; + + wxHtmlCell *cell = rootCell->FindCellByPos(pos.x, pos.y); + // this check is needed because FindCellByPos returns terminal cell and + // containers may have empty borders -- in this case NULL will be + // returned + if (!cell) + return false; + + // adjust the coordinates to be relative to this cell: + wxPoint relpos = pos - cell->GetAbsPos(rootCell); + + return OnCellClicked(cell, relpos.x, relpos.y, event); +} + +void wxHtmlWindowMouseHelper::HandleIdle(wxHtmlCell *rootCell, + const wxPoint& pos) +{ + wxHtmlCell *cell = rootCell ? rootCell->FindCellByPos(pos.x, pos.y) : NULL; + + if (cell != m_tmpLastCell) + { + wxHtmlLinkInfo *lnk = NULL; + if (cell) + { + // adjust the coordinates to be relative to this cell: + wxPoint relpos = pos - cell->GetAbsPos(rootCell); + lnk = cell->GetLink(relpos.x, relpos.y); + } + + wxCursor cur; + if (cell) + cur = cell->GetMouseCursor(m_interface); + else + cur = m_interface->GetHTMLCursor( + wxHtmlWindowInterface::HTMLCursor_Default); + + m_interface->GetHTMLWindow()->SetCursor(cur); + + if (lnk != m_tmpLastLink) + { + if (lnk) + m_interface->SetHTMLStatusText(lnk->GetHref()); + else + m_interface->SetHTMLStatusText(wxEmptyString); + + m_tmpLastLink = lnk; + } + + m_tmpLastCell = cell; + } + else // mouse moved but stayed in the same cell + { + if ( cell ) + { + OnCellMouseHover(cell, pos.x, pos.y); + } + } + + m_tmpMouseMoved = false; +} + +bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell, + wxCoord x, wxCoord y, + const wxMouseEvent& event) +{ + wxCHECK_MSG( cell, false, _T("can't be called with NULL cell") ); + + return cell->ProcessMouseClick(m_interface, wxPoint(x, y), event); +} + +void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), + wxCoord WXUNUSED(x), + wxCoord WXUNUSED(y)) +{ + // do nothing here +} //----------------------------------------------------------------------------- // wxHtmlWindow //----------------------------------------------------------------------------- +wxList wxHtmlWindow::m_Filters; +wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; +wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; +wxCursor *wxHtmlWindow::ms_cursorLink = NULL; +wxCursor *wxHtmlWindow::ms_cursorText = NULL; + +void wxHtmlWindow::CleanUpStatics() +{ + wxDELETE(m_DefaultFilter); + WX_CLEAR_LIST(wxList, m_Filters); + if (m_GlobalProcessors) + WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors); + wxDELETE(m_GlobalProcessors); + wxDELETE(ms_cursorLink); + wxDELETE(ms_cursorText); +} void wxHtmlWindow::Init() { - m_tmpMouseMoved = false; - m_tmpLastLink = NULL; - m_tmpLastCell = NULL; m_tmpCanDrawLocks = 0; m_FS = new wxFileSystem(); #if wxUSE_STATUSBAR @@ -171,7 +277,6 @@ void wxHtmlWindow::Init() m_HistoryOn = true; m_History = new wxHtmlHistoryArray; m_Processors = NULL; - m_Style = 0; SetBorders(10); m_selection = NULL; m_makingSelection = false; @@ -180,6 +285,8 @@ void wxHtmlWindow::Init() m_lastDoubleClick = 0; #endif // wxUSE_CLIPBOARD m_backBuffer = NULL; + m_eraseBgInOnPaint = false; + m_tmpSelFromCell = NULL; } bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, @@ -191,7 +298,6 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, name)) return false; - m_Style = style; SetPage(wxT("")); return true; } @@ -239,45 +345,49 @@ void wxHtmlWindow::SetRelatedStatusBar(int bar) -void wxHtmlWindow::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes) +void wxHtmlWindow::SetFonts(const wxString& normal_face, const wxString& fixed_face, const int *sizes) { - wxString op = m_OpenedPage; - m_Parser->SetFonts(normal_face, fixed_face, sizes); - // fonts changed => contents invalid, so reload the page: - SetPage(wxT("")); - if (!op.empty()) - LoadPage(op); + + // re-layout the page after changing fonts: + DoSetPage(*(m_Parser->GetSource())); } void wxHtmlWindow::SetStandardFonts(int size, const wxString& normal_face, const wxString& fixed_face) { - wxString op = m_OpenedPage; - m_Parser->SetStandardFonts(size, normal_face, fixed_face); - // fonts changed => contents invalid, so reload the page: - SetPage(wxT("")); - if (!op.empty()) - LoadPage(op); -} + // re-layout the page after changing fonts: + DoSetPage(*(m_Parser->GetSource())); +} bool wxHtmlWindow::SetPage(const wxString& source) +{ + m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; + return DoSetPage(source); +} + +bool wxHtmlWindow::DoSetPage(const wxString& source) { wxString newsrc(source); wxDELETE(m_selection); + // we will soon delete all the cells, so clear pointers to them: + m_tmpSelFromCell = NULL; + // pass HTML through registered processors: if (m_Processors || m_GlobalProcessors) { wxHtmlProcessorList::compatibility_iterator nodeL, nodeG; int prL, prG; - nodeL = (m_Processors) ? m_Processors->GetFirst() : wxHtmlProcessorList::compatibility_iterator(); - nodeG = (m_GlobalProcessors) ? m_GlobalProcessors->GetFirst() : wxHtmlProcessorList::compatibility_iterator(); + if ( m_Processors ) + nodeL = m_Processors->GetFirst(); + if ( m_GlobalProcessors ) + nodeG = m_GlobalProcessors->GetFirst(); // VS: there are two lists, global and local, both of them sorted by // priority. Since we have to go through _both_ lists with @@ -307,7 +417,8 @@ bool wxHtmlWindow::SetPage(const wxString& source) wxClientDC *dc = new wxClientDC(this); dc->SetMapMode(wxMM_TEXT); SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF)); - m_OpenedPage = m_OpenedAnchor = m_OpenedPageTitle = wxEmptyString; + SetBackgroundImage(wxNullBitmap); + m_Parser->SetDC(dc); if (m_Cell) { @@ -326,7 +437,7 @@ bool wxHtmlWindow::SetPage(const wxString& source) bool wxHtmlWindow::AppendToPage(const wxString& source) { - return SetPage(*(GetParser()->GetSource()) + source); + return DoSetPage(*(GetParser()->GetSource()) + source); } bool wxHtmlWindow::LoadPage(const wxString& location) @@ -525,14 +636,14 @@ void wxHtmlWindow::CreateLayout() if (!m_Cell) return; - if (m_Style & wxHW_SCROLLBAR_NEVER) + if ( HasFlag(wxHW_SCROLLBAR_NEVER) ) { - SetScrollbars(wxHTML_SCROLL_STEP, 1, m_Cell->GetWidth() / wxHTML_SCROLL_STEP, 0); // always off + SetScrollbars(1, 1, 0, 0); // always off GetClientSize(&ClientWidth, &ClientHeight); m_Cell->Layout(ClientWidth); } - - else { + else // !wxHW_SCROLLBAR_NEVER + { GetClientSize(&ClientWidth, &ClientHeight); m_Cell->Layout(ClientWidth); if (ClientHeight < m_Cell->GetHeight() + GetCharHeight()) @@ -720,21 +831,6 @@ void wxHtmlWindow::AddProcessor(wxHtmlProcessor *processor) -wxList wxHtmlWindow::m_Filters; -wxHtmlFilter *wxHtmlWindow::m_DefaultFilter = NULL; -wxHtmlProcessorList *wxHtmlWindow::m_GlobalProcessors = NULL; - -void wxHtmlWindow::CleanUpStatics() -{ - wxDELETE(m_DefaultFilter); - WX_CLEAR_LIST(wxList, m_Filters); - if (m_GlobalProcessors) - WX_CLEAR_LIST(wxHtmlProcessorList, *m_GlobalProcessors); - wxDELETE(m_GlobalProcessors); -} - - - void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) { m_Filters.Append(filter); @@ -744,7 +840,7 @@ void wxHtmlWindow::AddFilter(wxHtmlFilter *filter) bool wxHtmlWindow::IsSelectionEnabled() const { #if wxUSE_CLIPBOARD - return !(m_Style & wxHW_NO_SELECTION); + return !HasFlag(wxHW_NO_SELECTION); #else return false; #endif @@ -798,7 +894,7 @@ bool wxHtmlWindow::CopySelection(ClipboardType t) #if wxUSE_CLIPBOARD if ( m_selection ) { -#ifdef __UNIX__ +#if defined(__UNIX__) && !defined(__WXMAC__) wxTheClipboard->UsePrimarySelection(t == Primary); #else // !__UNIX__ // Primary selection exists only under X11, so don't do anything under @@ -820,6 +916,8 @@ bool wxHtmlWindow::CopySelection(ClipboardType t) return true; } } +#else + wxUnusedVar(t); #endif // wxUSE_CLIPBOARD return false; @@ -833,35 +931,47 @@ void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) LoadPage(link.GetHref()); } -void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell, - wxCoord x, wxCoord y, - const wxMouseEvent& event) +void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) { - wxCHECK_RET( cell, _T("can't be called with NULL cell") ); + if ( !m_bmpBg.Ok() ) + { + // don't even skip the event, if we don't have a bg bitmap we're going + // to overwrite background in OnPaint() below anyhow, so letting the + // default handling take place would only result in flicker, just set a + // flag to erase the background below + m_eraseBgInOnPaint = true; + return; + } - cell->OnMouseClick(this, x, y, event); -} + wxDC& dc = *event.GetDC(); -void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), - wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) -{ - // do nothing here -} + // if the image is not fully opaque, we have to erase the background before + // drawing it, however avoid doing it for opaque images as this would just + // result in extra flicker without any other effect as background is + // completely covered anyhow + if ( m_bmpBg.GetMask() ) + { + dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); + dc.Clear(); + } -void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) -{ - // we do have to erase background now that we reuse it (instead of - // overwriting it) in OnPaint() below, but maybe we should set some flag if - // we get here as this would mean that user code doesn't paint background - // itself and then we wouldn't have to copy old bits to dcm below... - event.Skip(); + const wxSize sizeWin(GetClientSize()); + const wxSize sizeBmp(m_bmpBg.GetWidth(), m_bmpBg.GetHeight()); + for ( wxCoord x = 0; x < sizeWin.x; x += sizeBmp.x ) + { + for ( wxCoord y = 0; y < sizeWin.y; y += sizeBmp.y ) + { + dc.DrawBitmap(m_bmpBg, x, y, true /* use mask */); + } + } } void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) { wxPaintDC dc(this); - if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) return; + if (m_tmpCanDrawLocks > 0 || m_Cell == NULL) + return; int x, y; GetViewStart(&x, &y); @@ -873,13 +983,23 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event)) m_backBuffer = new wxBitmap(sz.x, sz.y); dcm.SelectObject(*m_backBuffer); - // preserve the existing background, otherwise we'd erase anything the user - // code had drawn in its EVT_ERASE_BACKGROUND handler when we do the Blit - // back below - dcm.Blit(0, rect.GetTop(), - sz.x, rect.GetBottom() - rect.GetTop() + 1, - &dc, - 0, rect.GetTop()); + if ( m_eraseBgInOnPaint ) + { + dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID)); + dcm.Clear(); + + m_eraseBgInOnPaint = false; + } + else // someone has already erased the background, keep it + { + // preserve the existing background, otherwise we'd erase anything the + // user code had drawn in its EVT_ERASE_BACKGROUND handler when we do + // the Blit back below + dcm.Blit(0, rect.GetTop(), + sz.x, rect.GetBottom() - rect.GetTop() + 1, + &dc, + 0, rect.GetTop()); + } PrepareDC(dcm); dcm.SetMapMode(wxMM_TEXT); @@ -954,7 +1074,7 @@ void wxHtmlWindow::OnSize(wxSizeEvent& event) void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event)) { - m_tmpMouseMoved = true; + wxHtmlWindowMouseHelper::HandleMouseMoved(); } void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) @@ -984,6 +1104,8 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) CaptureMouse(); } } +#else + wxUnusedVar(event); #endif // wxUSE_CLIPBOARD } @@ -1006,26 +1128,31 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) #endif // wxUSE_CLIPBOARD SetFocus(); - if ( m_Cell ) - { - wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); - wxHtmlCell *cell = m_Cell->FindCellByPos(pos.x, pos.y); - // check is needed because FindCellByPos returns terminal cell and - // containers may have empty borders -- in this case NULL will be - // returned - if ( cell ) - OnCellClicked(cell, pos.x, pos.y, event); - } + wxPoint pos = CalcUnscrolledPosition(event.GetPosition()); + wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event); } +#if wxUSE_CLIPBOARD +void wxHtmlWindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event)) +{ + if ( !m_makingSelection ) + return; + + // discard the selecting operation + m_makingSelection = false; + wxDELETE(m_selection); + m_tmpSelFromCell = NULL; + Refresh(); +} +#endif // wxUSE_CLIPBOARD void wxHtmlWindow::OnInternalIdle() { wxWindow::OnInternalIdle(); - if (m_tmpMouseMoved && (m_Cell != NULL)) + if (m_Cell != NULL && DidMouseMove()) { #ifdef DEBUG_HTML_SELECTION Refresh(); @@ -1142,44 +1269,14 @@ void wxHtmlWindow::OnInternalIdle() } // handle cursor and status bar text changes: - if ( cell != m_tmpLastCell ) - { - wxHtmlLinkInfo *lnk = cell ? cell->GetLink(x, y) : NULL; - wxCursor cur; - if (cell) - cur = cell->GetCursor(); - else - cur = *wxSTANDARD_CURSOR; - SetCursor(cur); - - if (lnk != m_tmpLastLink) - { -#if wxUSE_STATUSBAR - if (lnk == NULL) - { - if (m_RelatedStatusBar != -1) - m_RelatedFrame->SetStatusText(wxEmptyString, - m_RelatedStatusBar); - } - else - { - if (m_RelatedStatusBar != -1) - m_RelatedFrame->SetStatusText(lnk->GetHref(), - m_RelatedStatusBar); - } -#endif // wxUSE_STATUSBAR - m_tmpLastLink = lnk; - } - - m_tmpLastCell = cell; - } - else // mouse moved but stayed in the same cell - { - if ( cell ) - OnCellMouseHover(cell, x, y); - } - m_tmpMouseMoved = false; + // NB: because we're passing in 'cell' and not 'm_Cell' (so that the + // leaf cell lookup isn't done twice), we need to adjust the + // position for the new root: + wxPoint posInCell(x, y); + if (cell) + posInCell -= cell->GetAbsPos(); + wxHtmlWindowMouseHelper::HandleIdle(cell, posInCell); } } @@ -1265,8 +1362,7 @@ void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event) void wxHtmlWindow::OnKeyUp(wxKeyEvent& event) { - if ( IsSelectionEnabled() && - event.GetKeyCode() == 'C' && event.ControlDown() ) + if ( IsSelectionEnabled() && event.GetKeyCode() == 'C' && event.CmdDown() ) { (void) CopySelection(); } @@ -1414,14 +1510,99 @@ BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow) EVT_LEFT_DCLICK(wxHtmlWindow::OnDoubleClick) EVT_ENTER_WINDOW(wxHtmlWindow::OnMouseEnter) EVT_LEAVE_WINDOW(wxHtmlWindow::OnMouseLeave) + EVT_MOUSE_CAPTURE_LOST(wxHtmlWindow::OnMouseCaptureLost) EVT_KEY_UP(wxHtmlWindow::OnKeyUp) EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy) #endif // wxUSE_CLIPBOARD END_EVENT_TABLE() +//----------------------------------------------------------------------------- +// wxHtmlWindowInterface implementation in wxHtmlWindow +//----------------------------------------------------------------------------- +void wxHtmlWindow::SetHTMLWindowTitle(const wxString& title) +{ + OnSetTitle(title); +} +void wxHtmlWindow::OnHTMLLinkClicked(const wxHtmlLinkInfo& link) +{ + OnLinkClicked(link); +} +wxHtmlOpeningStatus wxHtmlWindow::OnHTMLOpeningURL(wxHtmlURLType type, + const wxString& url, + wxString *redirect) const +{ + return OnOpeningURL(type, url, redirect); +} + +wxPoint wxHtmlWindow::HTMLCoordsToWindow(wxHtmlCell *WXUNUSED(cell), + const wxPoint& pos) const +{ + return CalcScrolledPosition(pos); +} + +wxWindow* wxHtmlWindow::GetHTMLWindow() +{ + return this; +} + +wxColour wxHtmlWindow::GetHTMLBackgroundColour() const +{ + return GetBackgroundColour(); +} + +void wxHtmlWindow::SetHTMLBackgroundColour(const wxColour& clr) +{ + SetBackgroundColour(clr); +} + +void wxHtmlWindow::SetHTMLBackgroundImage(const wxBitmap& bmpBg) +{ + SetBackgroundImage(bmpBg); +} + +void wxHtmlWindow::SetHTMLStatusText(const wxString& text) +{ +#if wxUSE_STATUSBAR + if (m_RelatedStatusBar != -1) + m_RelatedFrame->SetStatusText(text, m_RelatedStatusBar); +#else + wxUnusedVar(text); +#endif // wxUSE_STATUSBAR +} + +/*static*/ +wxCursor wxHtmlWindow::GetDefaultHTMLCursor(HTMLCursor type) +{ + switch (type) + { + case HTMLCursor_Link: + if ( !ms_cursorLink ) + ms_cursorLink = new wxCursor(wxCURSOR_HAND); + return *ms_cursorLink; + + case HTMLCursor_Text: + if ( !ms_cursorText ) + ms_cursorText = new wxCursor(wxCURSOR_IBEAM); + return *ms_cursorText; + + case HTMLCursor_Default: + default: + return *wxSTANDARD_CURSOR; + } +} + +wxCursor wxHtmlWindow::GetHTMLCursor(HTMLCursor type) const +{ + return GetDefaultHTMLCursor(type); +} + + +//----------------------------------------------------------------------------- +// wxHtmlWinModule +//----------------------------------------------------------------------------- // A module to allow initialization/cleanup // without calling these functions from app.cpp or from @@ -1445,4 +1626,3 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule) FORCE_WXHTML_MODULES() #endif // wxUSE_HTML -