X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0cc70962a1771fb53c1208648ca46c6185699fd2..9d5507f7a2701395e1d5c121bd877bb9066ee6ea:/src/html/htmlwin.cpp diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp index 7d71dd82d7..c437f70709 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: $Id$ @@ -9,32 +9,39 @@ #include "wx/wxprec.h" -#include "wx/defs.h" -#if wxUSE_HTML && wxUSE_STREAMS - #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WXPRECOMP +#if wxUSE_HTML && wxUSE_STREAMS + +#ifndef WX_PRECOMP + #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" +// HTML events: +IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent) +IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent) + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_CELL_HOVER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_HTML_LINK_CLICKED) + #if wxUSE_CLIPBOARD // ---------------------------------------------------------------------------- @@ -140,16 +147,147 @@ WX_DEFINE_OBJARRAY(wxHtmlHistoryArray) WX_DECLARE_LIST(wxHtmlProcessor, 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) +{ + wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_CLICKED, + m_interface->GetHTMLWindow()->GetId(), + cell, wxPoint(x,y), event); + + if (!m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev)) + { + // if the event wasn't handled, do the default processing here: + + wxASSERT_MSG( cell, _T("can't be called with NULL cell") ); + + cell->ProcessMouseClick(m_interface, ev.GetPoint(), ev.GetMouseEvent()); + } + + // true if a link was clicked, false otherwise + return ev.GetLinkClicked(); +} + +void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * cell, + wxCoord x, + wxCoord y) +{ + wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_HOVER, + m_interface->GetHTMLWindow()->GetId(), + cell, wxPoint(x,y), wxMouseEvent()); + m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev); +} + + + + //----------------------------------------------------------------------------- // 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 @@ -165,7 +303,6 @@ void wxHtmlWindow::Init() m_HistoryOn = true; m_History = new wxHtmlHistoryArray; m_Processors = NULL; - m_Style = 0; SetBorders(10); m_selection = NULL; m_makingSelection = false; @@ -187,7 +324,6 @@ bool wxHtmlWindow::Create(wxWindow *parent, wxWindowID id, name)) return false; - m_Style = style; SetPage(wxT("")); return true; } @@ -526,14 +662,14 @@ 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()) @@ -721,21 +857,6 @@ 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); @@ -745,7 +866,7 @@ 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 @@ -831,24 +952,15 @@ bool wxHtmlWindow::CopySelection(ClipboardType t) void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link) { - const wxMouseEvent *e = link.GetEvent(); - if (e == NULL || e->LeftUp()) - LoadPage(link.GetHref()); -} - -void wxHtmlWindow::OnCellClicked(wxHtmlCell *cell, - wxCoord x, wxCoord y, - const wxMouseEvent& event) -{ - wxCHECK_RET( cell, _T("can't be called with NULL cell") ); - - cell->OnMouseClick(this, x, y, event); -} - -void wxHtmlWindow::OnCellMouseHover(wxHtmlCell * WXUNUSED(cell), - wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) -{ - // do nothing here + wxHtmlLinkEvent event(GetId(), link); + event.SetEventObject(this); + if (!GetEventHandler()->ProcessEvent(event)) + { + // the default behaviour is to load the URL in this window + const wxMouseEvent *e = event.GetLinkInfo().GetEvent(); + if (e == NULL || e->LeftUp()) + LoadPage(event.GetLinkInfo().GetHref()); + } } void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event) @@ -994,7 +1106,7 @@ void wxHtmlWindow::OnSize(wxSizeEvent& event) void wxHtmlWindow::OnMouseMove(wxMouseEvent& WXUNUSED(event)) { - m_tmpMouseMoved = true; + wxHtmlWindowMouseHelper::HandleMouseMoved(); } void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) @@ -1024,9 +1136,10 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event) CaptureMouse(); } } -#else - wxUnusedVar(event); #endif // wxUSE_CLIPBOARD + + // in any case, let the default handler set focus to this window + event.Skip(); } void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) @@ -1037,9 +1150,13 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event) ReleaseMouse(); m_makingSelection = false; - // did the user move the mouse far enough from starting point? - if ( CopySelection(Primary) ) + // if m_selection=NULL, the user didn't move the mouse far enough from + // starting point and the mouse up event is part of a click, the user + // is not selecting text: + if ( m_selection ) { + CopySelection(Primary); + // we don't want mouse up event that ended selecting to be // handled as mouse click and e.g. follow hyperlink: return; @@ -1047,27 +1164,30 @@ 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(); @@ -1171,7 +1291,8 @@ void wxHtmlWindow::OnInternalIdle() if ( m_tmpSelFromCell->IsBefore(selcell) ) { m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell, - wxPoint(x,y), selcell); } + wxPoint(x,y), selcell); + } else { m_selection->Set(wxPoint(x,y), selcell, @@ -1184,44 +1305,14 @@ 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); } } @@ -1307,9 +1398,14 @@ void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event) void wxHtmlWindow::OnKeyUp(wxKeyEvent& event) { - if ( IsSelectionEnabled() && event.GetKeyCode() == 'C' && event.CmdDown() ) + if ( IsSelectionEnabled() && + (event.GetKeyCode() == 'C' && event.CmdDown()) ) { - (void) CopySelection(); + wxClipboardTextEvent evt(wxEVT_COMMAND_TEXT_COPY, GetId()); + + evt.SetEventObject(this); + + GetEventHandler()->ProcessEvent(evt); } } @@ -1318,6 +1414,11 @@ void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event)) (void) CopySelection(); } +void wxHtmlWindow::OnClipboardEvent(wxClipboardTextEvent& WXUNUSED(event)) +{ + (void) CopySelection(); +} + void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event) { // select word under cursor: @@ -1455,14 +1556,100 @@ 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) + EVT_TEXT_COPY(wxID_ANY, wxHtmlWindow::OnClipboardEvent) #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 @@ -1486,4 +1673,3 @@ IMPLEMENT_DYNAMIC_CLASS(wxHtmlWinModule, wxModule) FORCE_WXHTML_MODULES() #endif // wxUSE_HTML -