implement button support for pre-XP systems (or with themes disabled); using only...

[wxWidgets.git] / src / html / htmlwin.cpp

diff --git a/src/html/htmlwin.cpp b/src/html/htmlwin.cpp
index 431b30b32cce1b7a5877c13caba355806218c031..82f7c105579ab0396298deb2afc39e0bf550a927 100644 (file)
--- a/src/html/htmlwin.cpp
+++ b/src/html/htmlwin.cpp
@@ -15,7 +15,7 @@
 
 #if wxUSE_HTML && wxUSE_STREAMS
 
 
 #if wxUSE_HTML && wxUSE_STREAMS
 

-#ifndef WXPRECOMP
+#ifndef WX_PRECOMP

     #include "wx/list.h"
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/list.h"
     #include "wx/log.h"
     #include "wx/intl.h"


@@ -25,6 +25,7 @@
     #include "wx/timer.h"
     #include "wx/settings.h"
     #include "wx/dataobj.h"
     #include "wx/timer.h"
     #include "wx/settings.h"
     #include "wx/dataobj.h"

+    #include "wx/statusbr.h"

 #endif
 
 #include "wx/html/htmlwin.h"
 #endif
 
 #include "wx/html/htmlwin.h"


@@ -34,6 +35,14 @@
 #include "wx/arrimpl.cpp"
 #include "wx/listimpl.cpp"
 
 #include "wx/arrimpl.cpp"
 #include "wx/listimpl.cpp"
 

+// HTML events:
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlLinkEvent, wxCommandEvent)
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlCellEvent, wxCommandEvent)
+
+wxDEFINE_EVENT( wxEVT_COMMAND_HTML_CELL_CLICKED, wxHtmlCellEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_HTML_CELL_HOVER, wxHtmlCellEvent );
+wxDEFINE_EVENT( wxEVT_COMMAND_HTML_LINK_CLICKED, wxHtmlLinkEvent );
+

 
 #if wxUSE_CLIPBOARD
 // ----------------------------------------------------------------------------
 
 #if wxUSE_CLIPBOARD
 // ----------------------------------------------------------------------------


@@ -62,7 +71,7 @@ private:
     int m_pos,
         m_orient;
 
     int m_pos,
         m_orient;
 

-    DECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer)
+    wxDECLARE_NO_COPY_CLASS(wxHtmlWinAutoScrollTimer);

 };
 
 void wxHtmlWinAutoScrollTimer::Notify()
 };
 
 void wxHtmlWinAutoScrollTimer::Notify()


@@ -227,18 +236,36 @@ bool wxHtmlWindowMouseHelper::OnCellClicked(wxHtmlCell *cell,
                                             wxCoord x, wxCoord y,
                                             const wxMouseEvent& event)
 {
                                             wxCoord x, wxCoord y,
                                             const wxMouseEvent& event)
 {

-    wxCHECK_MSG( cell, false, _T("can't be called with NULL cell") );
+    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:

 
 

-    return cell->ProcessMouseClick(m_interface, wxPoint(x, y), event);
+        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 * WXUNUSED(cell),
-                                               wxCoord WXUNUSED(x),
-                                               wxCoord WXUNUSED(y))
+void wxHtmlWindowMouseHelper::OnCellMouseHover(wxHtmlCell * cell,
+                                               wxCoord x,
+                                               wxCoord y)

 {
 {

-    // do nothing here
+    wxHtmlCellEvent ev(wxEVT_COMMAND_HTML_CELL_HOVER,
+                       m_interface->GetHTMLWindow()->GetId(),
+                       cell, wxPoint(x,y), wxMouseEvent());
+    m_interface->GetHTMLWindow()->GetEventHandler()->ProcessEvent(ev);

 }
 
 }
 

+
+
+

 //-----------------------------------------------------------------------------
 // wxHtmlWindow
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxHtmlWindow
 //-----------------------------------------------------------------------------


@@ -265,7 +292,8 @@ void wxHtmlWindow::Init()
     m_tmpCanDrawLocks = 0;
     m_FS = new wxFileSystem();
 #if wxUSE_STATUSBAR
     m_tmpCanDrawLocks = 0;
     m_FS = new wxFileSystem();
 #if wxUSE_STATUSBAR

-    m_RelatedStatusBar = -1;
+    m_RelatedStatusBar = NULL;
+    m_RelatedStatusBarIndex = -1;

 #endif // wxUSE_STATUSBAR
     m_RelatedFrame = NULL;
     m_TitleFormat = wxT("%s");
 #endif // wxUSE_STATUSBAR
     m_RelatedFrame = NULL;
     m_TitleFormat = wxT("%s");


@@ -337,10 +365,17 @@ void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
 
 
 #if wxUSE_STATUSBAR
 
 
 #if wxUSE_STATUSBAR

-void wxHtmlWindow::SetRelatedStatusBar(int bar)
+void wxHtmlWindow::SetRelatedStatusBar(int index)

 {
 {

-    m_RelatedStatusBar = bar;
+    m_RelatedStatusBarIndex = index;

 }
 }

+
+void wxHtmlWindow::SetRelatedStatusBar(wxStatusBar* statusbar, int index)
+{
+    m_RelatedStatusBar =  statusbar;
+    m_RelatedStatusBarIndex = index;
+}
+

 #endif // wxUSE_STATUSBAR
 
 
 #endif // wxUSE_STATUSBAR
 
 


@@ -442,9 +477,10 @@ bool wxHtmlWindow::AppendToPage(const wxString& source)
 
 bool wxHtmlWindow::LoadPage(const wxString& location)
 {
 
 bool wxHtmlWindow::LoadPage(const wxString& location)
 {

+    wxCHECK_MSG( !location.empty(), false, "location must be non-empty" );
+

     wxBusyCursor busyCursor;
 
     wxBusyCursor busyCursor;
 

-    wxFSFile *f;

     bool rt_val;
     bool needs_refresh = false;
 
     bool rt_val;
     bool needs_refresh = false;
 


@@ -457,43 +493,40 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
         (*m_History)[m_HistoryPos].SetPos(y);
     }
 
         (*m_History)[m_HistoryPos].SetPos(y);
     }
 

-    if (location[0] == wxT('#'))
+    // first check if we're moving to an anchor in the same page
+    size_t posLocalAnchor = location.Find('#');
+    if ( posLocalAnchor != wxString::npos && posLocalAnchor != 0 )

     {
     {

-        // local anchor:
-        wxString anch = location.Mid(1) /*1 to end*/;
-        m_tmpCanDrawLocks--;
-        rt_val = ScrollToAnchor(anch);
-        m_tmpCanDrawLocks++;
-    }
-    else if (location.Find(wxT('#')) != wxNOT_FOUND && location.BeforeFirst(wxT('#')) == m_OpenedPage)
-    {
-        wxString anch = location.AfterFirst(wxT('#'));
-        m_tmpCanDrawLocks--;
-        rt_val = ScrollToAnchor(anch);
-        m_tmpCanDrawLocks++;
+        // check if the part before the anchor is the same as the (either
+        // relative or absolute) URI of the current page
+        const wxString beforeAnchor = location.substr(0, posLocalAnchor);
+        if ( beforeAnchor != m_OpenedPage &&
+                m_FS->GetPath() + beforeAnchor != m_OpenedPage )
+        {
+            // indicate that we're not moving to a local anchor
+            posLocalAnchor = wxString::npos;
+        }

     }
     }

-    else if (location.Find(wxT('#')) != wxNOT_FOUND &&
-             (m_FS->GetPath() + location.BeforeFirst(wxT('#'))) == m_OpenedPage)
+
+    if ( posLocalAnchor != wxString::npos )

     {
     {

-        wxString anch = location.AfterFirst(wxT('#'));

         m_tmpCanDrawLocks--;
         m_tmpCanDrawLocks--;

-        rt_val = ScrollToAnchor(anch);
+        rt_val = ScrollToAnchor(location.substr(posLocalAnchor + 1));

         m_tmpCanDrawLocks++;
     }
         m_tmpCanDrawLocks++;
     }

-
-    else
+    else // moving to another page

     {
         needs_refresh = true;
 #if wxUSE_STATUSBAR
         // load&display it:
     {
         needs_refresh = true;
 #if wxUSE_STATUSBAR
         // load&display it:

-        if (m_RelatedStatusBar != -1)
+        if (m_RelatedStatusBarIndex != -1)

         {
         {

-            m_RelatedFrame->SetStatusText(_("Connecting..."), m_RelatedStatusBar);
+            SetHTMLStatusText(_("Connecting..."));

             Refresh(false);
         }
 #endif // wxUSE_STATUSBAR
 
             Refresh(false);
         }
 #endif // wxUSE_STATUSBAR
 

-        f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);
+        wxFSFile *f = m_Parser->OpenURL(wxHTML_URL_PAGE, location);

 
         // try to interpret 'location' as filename instead of URL:
         if (f == NULL)
 
         // try to interpret 'location' as filename instead of URL:
         if (f == NULL)


@@ -507,6 +540,7 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
         {
             wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
             m_tmpCanDrawLocks--;
         {
             wxLogError(_("Unable to open requested HTML document: %s"), location.c_str());
             m_tmpCanDrawLocks--;

+            SetHTMLStatusText(wxEmptyString);

             return false;
         }
 
             return false;
         }
 


@@ -516,10 +550,10 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
             wxString src = wxEmptyString;
 
 #if wxUSE_STATUSBAR
             wxString src = wxEmptyString;
 
 #if wxUSE_STATUSBAR

-            if (m_RelatedStatusBar != -1)
+            if (m_RelatedStatusBarIndex != -1)

             {
                 wxString msg = _("Loading : ") + location;
             {
                 wxString msg = _("Loading : ") + location;

-                m_RelatedFrame->SetStatusText(msg, m_RelatedStatusBar);
+                SetHTMLStatusText(msg);

                 Refresh(false);
             }
 #endif // wxUSE_STATUSBAR
                 Refresh(false);
             }
 #endif // wxUSE_STATUSBAR


@@ -552,8 +586,10 @@ bool wxHtmlWindow::LoadPage(const wxString& location)
             delete f;
 
 #if wxUSE_STATUSBAR
             delete f;
 
 #if wxUSE_STATUSBAR

-            if (m_RelatedStatusBar != -1)
-                m_RelatedFrame->SetStatusText(_("Done"), m_RelatedStatusBar);
+            if (m_RelatedStatusBarIndex != -1)
+            {
+                SetHTMLStatusText(_("Done"));
+            }

 #endif // wxUSE_STATUSBAR
         }
     }
 #endif // wxUSE_STATUSBAR
         }
     }


@@ -854,21 +890,27 @@ wxString wxHtmlWindow::DoSelectionToText(wxHtmlSelection *sel)
         return wxEmptyString;
 
     wxClientDC dc(this);
         return wxEmptyString;
 
     wxClientDC dc(this);

-
-    const wxHtmlCell *end = sel->GetToCell();

     wxString text;
     wxString text;

-    wxHtmlTerminalCellsInterator i(sel->GetFromCell(), end);
-    if ( i )
-    {
-        text << i->ConvertToText(sel);
-        ++i;
-    }
-    const wxHtmlCell *prev = *i;
+
+    wxHtmlTerminalCellsInterator i(sel->GetFromCell(), sel->GetToCell());
+    const wxHtmlCell *prev = NULL;
+

     while ( i )
     {
     while ( i )
     {

-        if ( prev->GetParent() != i->GetParent() )
-            text << _T('\n');
-        text << i->ConvertToText(*i == end ? sel : NULL);
+        // When converting HTML content to plain text, the entire paragraph
+        // (container in wxHTML) goes on single line. A new paragraph (that
+        // should go on its own line) has its own container. Therefore, the
+        // simplest way of detecting where to insert newlines in plain text
+        // is to check if the parent container changed -- if it did, we moved
+        // to a new paragraph.
+        if ( prev && prev->GetParent() != i->GetParent() )
+            text << '\n';
+
+        // NB: we don't need to pass the selection to ConvertToText() in the
+        //     middle of the selected text; it's only useful when only part of
+        //     a cell is selected
+        text << i->ConvertToText(sel);
+

         prev = *i;
         ++i;
     }
         prev = *i;
         ++i;
     }


@@ -926,9 +968,15 @@ bool wxHtmlWindow::CopySelection(ClipboardType t)
 
 void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
 {
 
 void wxHtmlWindow::OnLinkClicked(const wxHtmlLinkInfo& link)
 {

-    const wxMouseEvent *e = link.GetEvent();
-    if (e == NULL || e->LeftUp())
-        LoadPage(link.GetHref());
+    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)
 }
 
 void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)


@@ -951,7 +999,7 @@ void wxHtmlWindow::OnEraseBackground(wxEraseEvent& event)
     // completely covered anyhow
     if ( m_bmpBg.GetMask() )
     {
     // completely covered anyhow
     if ( m_bmpBg.GetMask() )
     {

-        dc.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+        dc.SetBackground(wxBrush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID));

         dc.Clear();
     }
 
         dc.Clear();
     }
 


@@ -985,7 +1033,7 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     if ( m_eraseBgInOnPaint )
     {
 
     if ( m_eraseBgInOnPaint )
     {

-        dcm.SetBackground(wxBrush(GetBackgroundColour(), wxSOLID));
+        dcm.SetBackground(wxBrush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID));

         dcm.Clear();
 
         m_eraseBgInOnPaint = false;
         dcm.Clear();
 
         m_eraseBgInOnPaint = false;


@@ -1003,7 +1051,7 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 
     PrepareDC(dcm);
     dcm.SetMapMode(wxMM_TEXT);
 
     PrepareDC(dcm);
     dcm.SetMapMode(wxMM_TEXT);

-    dcm.SetBackgroundMode(wxTRANSPARENT);
+    dcm.SetBackgroundMode(wxBRUSHSTYLE_TRANSPARENT);

 
     wxHtmlRenderingInfo rinfo;
     wxDefaultHtmlRenderingStyle rstyle;
 
     wxHtmlRenderingInfo rinfo;
     wxDefaultHtmlRenderingStyle rstyle;


@@ -1055,9 +1103,10 @@ void wxHtmlWindow::OnPaint(wxPaintEvent& WXUNUSED(event))
 
 void wxHtmlWindow::OnSize(wxSizeEvent& event)
 {
 
 void wxHtmlWindow::OnSize(wxSizeEvent& event)
 {

+    event.Skip();
+

     wxDELETE(m_backBuffer);
 
     wxDELETE(m_backBuffer);
 

-    wxScrolledWindow::OnSize(event);

     CreateLayout();
 
     // Recompute selection if necessary:
     CreateLayout();
 
     // Recompute selection if necessary:


@@ -1104,9 +1153,10 @@ void wxHtmlWindow::OnMouseDown(wxMouseEvent& event)
             CaptureMouse();
         }
     }
             CaptureMouse();
         }
     }

-#else
-    wxUnusedVar(event);

 #endif // wxUSE_CLIPBOARD
 #endif // wxUSE_CLIPBOARD

+
+    // in any case, let the default handler set focus to this window
+    event.Skip();

 }
 
 void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
 }
 
 void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)


@@ -1117,9 +1167,13 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
         ReleaseMouse();
         m_makingSelection = false;
 
         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;
             // we don't want mouse up event that ended selecting to be
             // handled as mouse click and e.g. follow hyperlink:
             return;


@@ -1127,8 +1181,6 @@ void wxHtmlWindow::OnMouseUp(wxMouseEvent& event)
     }
 #endif // wxUSE_CLIPBOARD
 
     }
 #endif // wxUSE_CLIPBOARD
 

-    SetFocus();
-

     wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
     wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event);
 }
     wxPoint pos = CalcUnscrolledPosition(event.GetPosition());
     wxHtmlWindowMouseHelper::HandleMouseClick(m_Cell, pos, event);
 }


@@ -1256,7 +1308,8 @@ void wxHtmlWindow::OnInternalIdle()
                     if ( m_tmpSelFromCell->IsBefore(selcell) )
                     {
                         m_selection->Set(m_tmpSelFromPos, m_tmpSelFromCell,
                     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,
                     else
                     {
                         m_selection->Set(wxPoint(x,y), selcell,


@@ -1362,9 +1415,14 @@ void wxHtmlWindow::OnMouseLeave(wxMouseEvent& event)
 
 void wxHtmlWindow::OnKeyUp(wxKeyEvent& 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);

     }
 }
 
     }
 }
 


@@ -1373,6 +1431,11 @@ void wxHtmlWindow::OnCopy(wxCommandEvent& WXUNUSED(event))
     (void) CopySelection();
 }
 
     (void) CopySelection();
 }
 

+void wxHtmlWindow::OnClipboardEvent(wxClipboardTextEvent& WXUNUSED(event))
+{
+    (void) CopySelection();
+}
+

 void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
 {
     // select word under cursor:
 void wxHtmlWindow::OnDoubleClick(wxMouseEvent& event)
 {
     // select word under cursor:


@@ -1513,6 +1576,7 @@ BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
     EVT_MOUSE_CAPTURE_LOST(wxHtmlWindow::OnMouseCaptureLost)
     EVT_KEY_UP(wxHtmlWindow::OnKeyUp)
     EVT_MENU(wxID_COPY, wxHtmlWindow::OnCopy)
     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()
 
 #endif // wxUSE_CLIPBOARD
 END_EVENT_TABLE()
 


@@ -1566,8 +1630,17 @@ void wxHtmlWindow::SetHTMLBackgroundImage(const wxBitmap& bmpBg)
 void wxHtmlWindow::SetHTMLStatusText(const wxString& text)
 {
 #if wxUSE_STATUSBAR
 void wxHtmlWindow::SetHTMLStatusText(const wxString& text)
 {
 #if wxUSE_STATUSBAR

-    if (m_RelatedStatusBar != -1)
-        m_RelatedFrame->SetStatusText(text, m_RelatedStatusBar);
+    if (m_RelatedStatusBarIndex != -1)
+    {
+        if (m_RelatedStatusBar)
+        {
+            m_RelatedStatusBar->SetStatusText(text, m_RelatedStatusBarIndex);
+        }
+        else if (m_RelatedFrame)
+        {
+            m_RelatedFrame->SetStatusText(text, m_RelatedStatusBarIndex);
+        }
+    }

 #else
     wxUnusedVar(text);
 #endif // wxUSE_STATUSBAR
 #else
     wxUnusedVar(text);
 #endif // wxUSE_STATUSBAR