*** empty log message ***

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2963 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-07-07 22:04:58 +00:00
parent fae05df5a9
commit 5526e819ec
107 changed files with 14270 additions and 5 deletions
--- a/src/html/htmlwin.cpp
+++ b/src/html/htmlwin.cpp
@@ -0,0 +1,542 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        htmlwin.cpp
+// Purpose:     wxHtmlWindow class for parsing & displaying HTML (implementation)
+// Author:      Vaclav Slavik
+// Copyright:   (c) 1999 Vaclav Slavik
+// Licence:     wxWindows Licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+
+#include <wx/wxprec.h>
+
+#include "wx/defs.h"
+#if wxUSE_HTML
+
+#ifdef __BORDLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WXPRECOMP
+#include <wx/wx.h>
+#endif
+
+#include <wx/html/htmlwin.h>
+
+#include <wx/html/forcelink.h>
+
+///// This is my own wxBusyCursor. It works only with one window.
+
+#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
+class wxLocalBusyCursor
+#else
+class wxLocalBusyCursor : public wxBusyCursor
+#endif
+{
+    private:
+        wxWindow *m_Wnd;
+    public:
+#if (defined __WXGTK__) && (wxVERSION_NUMBER < 2100)
+        wxLocalBusyCursor(wxWindow *w) {m_Wnd = w; m_Wnd -> SetCursor(*wxHOURGLASS_CURSOR);}
+        ~wxLocalBusyCursor() {m_Wnd -> SetCursor(*wxSTANDARD_CURSOR);}
+#else
+        wxLocalBusyCursor(wxWindow *w) : wxBusyCursor() {}
+#endif
+};
+
+
+
+
+//-----------------------------------------------------------------------------
+// wxHtmlWindow
+//-----------------------------------------------------------------------------
+
+
+
+#include <wx/arrimpl.cpp>
+WX_DEFINE_OBJARRAY(HtmlHistoryArray)
+
+
+wxHtmlWindow::wxHtmlWindow(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, 
+                const wxString& name, bool scrollable) : wxScrolledWindow(parent, id, pos, size, wxVSCROLL, name)
+{
+    m_tmpMouseMoved = FALSE;
+    m_tmpCanDraw = TRUE;
+    m_FS = new wxFileSystem();
+    m_RelatedStatusBar = -1;
+    m_RelatedFrame = NULL;
+    m_TitleFormat = "%s";
+    m_OpenedPage = m_OpenedAnchor = wxEmptyString;
+    m_Cell = NULL;
+    m_Parser = new wxHtmlWinParser(this);
+    m_Parser -> SetFS(m_FS);
+    SetBorders(10);
+    m_HistoryPos = -1;
+    m_HistoryOn = TRUE;
+    m_Scrollable = scrollable;
+    SetPage("<html><body></body></html>");
+}
+
+
+
+wxHtmlWindow::~wxHtmlWindow()
+{
+    HistoryClear();
+
+    if (m_Cell) delete m_Cell;
+
+    wxList *parser_data = m_Parser -> GetTempData();
+    if (parser_data) delete parser_data;
+
+    delete m_Parser;
+    delete m_FS;
+}
+
+
+
+void wxHtmlWindow::SetRelatedFrame(wxFrame* frame, const wxString& format)
+{
+    m_RelatedFrame = frame;
+    m_TitleFormat = format;
+}
+
+
+
+void wxHtmlWindow::SetRelatedStatusBar(int bar)
+{
+    m_RelatedStatusBar = bar;
+}
+        
+        
+        
+void wxHtmlWindow::SetFonts(wxString normal_face, int normal_italic_mode, wxString fixed_face, int fixed_italic_mode, int *sizes)
+{
+    m_Parser -> SetFonts(normal_face, normal_italic_mode, fixed_face, fixed_italic_mode, sizes);
+    if (!m_OpenedPage.IsEmpty()) LoadPage(m_OpenedPage);
+}
+
+
+
+bool wxHtmlWindow::SetPage(const wxString& source)
+{
+    wxClientDC *dc = new wxClientDC(this);
+
+    dc -> SetMapMode(wxMM_TEXT);
+    SetBackgroundColour(wxColour(0xFF, 0xFF, 0xFF));
+    m_OpenedPage = m_OpenedAnchor = wxEmptyString;
+    m_Parser -> SetDC(dc);
+    if (m_Cell) delete m_Cell;
+    m_Cell = (wxHtmlContainerCell*) m_Parser -> Parse(source);
+    delete dc;
+    m_Cell -> SetIndent(m_Borders, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
+    m_Cell -> SetAlignHor(HTML_ALIGN_CENTER);
+    CreateLayout();
+    Refresh();
+    return TRUE;
+}
+
+
+bool wxHtmlWindow::LoadPage(const wxString& location)
+{
+    wxFSFile *f;
+    bool rt_val;
+    wxLocalBusyCursor b(this);
+
+    m_tmpCanDraw = FALSE;
+    if (m_HistoryOn && (m_HistoryPos != -1)) { // store scroll position into history item
+        int x, y;
+        ViewStart(&x, &y);
+        m_History[m_HistoryPos].SetPos(y);
+    }
+
+    if (location[0] == '#') { // local anchor
+        wxString anch = location.Mid(1) /*1 to end*/;
+        m_tmpCanDraw = TRUE;
+        rt_val = ScrollToAnchor(anch);
+    }
+
+    else {
+        // load&display it:
+        if (m_RelatedStatusBar != -1) {
+            m_RelatedFrame -> SetStatusText(_("Connecting..."), m_RelatedStatusBar);
+            Refresh();
+        }
+
+        f = m_FS -> OpenFile(location);
+        if (f == NULL) {
+            wxString err;
+
+            err.Printf(_("The browser is unable to open requested location :\n\n%s"), WXSTRINGCAST location);
+            wxMessageBox(err, "Error");
+            m_tmpCanDraw = TRUE;
+            return FALSE;
+        }
+
+        else {
+            wxNode *node;
+            wxString src = wxEmptyString;
+
+            if (m_RelatedStatusBar != -1) {
+                wxString msg = _("Loading : ") + location;
+                m_RelatedFrame -> SetStatusText(msg, m_RelatedStatusBar);
+                Refresh();
+            }
+
+            node = m_Filters.GetFirst();
+            while (node){
+                wxHtmlFilter *h = (wxHtmlFilter*) node -> GetData();
+                if (h -> CanRead(*f)) {
+                    src = h -> ReadFile(*f);
+                    break;
+                }
+                node = node -> GetNext();
+            }
+            if (src == wxEmptyString) src = m_DefaultFilter.ReadFile(*f);
+
+            m_FS -> ChangePathTo(f -> GetLocation());
+            rt_val = SetPage(src);
+            m_OpenedPage = f -> GetLocation();
+            if (f -> GetAnchor() != wxEmptyString) {
+                m_tmpCanDraw = TRUE;
+                ScrollToAnchor(f -> GetAnchor());
+                m_tmpCanDraw = FALSE;
+            }
+
+            delete f;
+
+            if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(_("Done"), m_RelatedStatusBar);
+        }
+    }
+
+    if (m_HistoryOn) { // add this page to history there:
+        int c = m_History.GetCount() - (m_HistoryPos + 1);
+
+        m_HistoryPos++;
+        for (int i = 0; i < c; i++)
+            m_History.Remove(m_HistoryPos);
+        m_History.Add(new HtmlHistoryItem(m_OpenedPage, m_OpenedAnchor));
+    }
+
+    m_tmpCanDraw = TRUE;
+    Refresh();
+    return rt_val;
+}
+
+
+
+bool wxHtmlWindow::ScrollToAnchor(const wxString& anchor)
+{
+    const wxHtmlCell *c = m_Cell -> Find(HTML_COND_ISANCHOR, &anchor);
+    if (!c) return FALSE;
+    else {
+        int y;
+    
+        for (y = 0; c != NULL; c = c -> GetParent()) y += c -> GetPosY();
+        Scroll(-1, y / HTML_SCROLL_STEP);
+        m_OpenedAnchor = anchor;
+        return TRUE;
+    }
+}
+
+
+void wxHtmlWindow::SetTitle(const wxString& title)
+{
+    if (m_RelatedFrame) {
+        wxString tit;
+        tit.Printf(m_TitleFormat, title.c_str());
+        m_RelatedFrame -> SetTitle(tit);
+    }
+}
+
+
+
+
+
+void wxHtmlWindow::CreateLayout()
+{
+    int ClientWidth, ClientHeight;
+
+    if (!m_Cell) return;
+    GetClientSize(&ClientWidth, &ClientHeight);
+    m_Cell -> Layout(ClientWidth);
+    if (m_Scrollable)
+        SetScrollbars(HTML_SCROLL_STEP, HTML_SCROLL_STEP,
+                      m_Cell -> GetWidth() / HTML_SCROLL_STEP,
+                      m_Cell -> GetHeight() / HTML_SCROLL_STEP
+                      /*cheat: top-level frag is always container*/ );
+}
+
+        
+
+void wxHtmlWindow::ReadCustomization(wxConfigBase *cfg, wxString path)
+{
+    wxString oldpath;
+    wxString tmp;
+
+    if (path != wxEmptyString) {
+        oldpath = cfg -> GetPath();
+        cfg -> SetPath(path);
+    }
+
+    m_Borders = cfg -> Read("wxHtmlWindow/Borders", m_Borders);
+    m_Parser -> m_FontFaceFixed = cfg -> Read("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
+    m_Parser -> m_FontFaceNormal = cfg -> Read("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
+    m_Parser -> m_ItalicModeFixed = cfg -> Read("wxHtmlWindow/ItalicModeFixed", m_Parser -> m_ItalicModeFixed);
+    m_Parser -> m_ItalicModeNormal = cfg -> Read("wxHtmlWindow/ItalicModeNormal", m_Parser -> m_ItalicModeNormal);
+    for (int i = 0; i < 7; i++) {
+        tmp.Printf("wxHtmlWindow/FontsSize%i", i);
+        m_Parser -> m_FontsSizes[i] = cfg -> Read(tmp, m_Parser -> m_FontsSizes[i]);
+    }
+
+    if (path != wxEmptyString)
+        cfg -> SetPath(oldpath);
+}
+
+
+
+void wxHtmlWindow::WriteCustomization(wxConfigBase *cfg, wxString path)
+{
+    wxString oldpath;
+    wxString tmp;
+
+    if (path != wxEmptyString) {
+        oldpath = cfg -> GetPath();
+        cfg -> SetPath(path);
+    }
+
+    cfg -> Write("wxHtmlWindow/Borders", (long) m_Borders);
+    cfg -> Write("wxHtmlWindow/FontFaceFixed", m_Parser -> m_FontFaceFixed);
+    cfg -> Write("wxHtmlWindow/FontFaceNormal", m_Parser -> m_FontFaceNormal);
+    cfg -> Write("wxHtmlWindow/ItalicModeFixed", (long) m_Parser -> m_ItalicModeFixed);
+    cfg -> Write("wxHtmlWindow/ItalicModeNormal", (long) m_Parser -> m_ItalicModeNormal);
+    for (int i = 0; i < 7; i++) {
+        tmp.Printf("wxHtmlWindow/FontsSize%i", i);
+        cfg -> Write(tmp, (long) m_Parser -> m_FontsSizes[i]);
+    }
+
+    if (path != wxEmptyString)
+        cfg -> SetPath(oldpath);
+}
+
+
+
+bool wxHtmlWindow::HistoryBack()
+{
+    wxString a, l;
+
+    if (m_HistoryPos < 1) return FALSE;
+
+    m_HistoryPos--;
+
+    l = m_History[m_HistoryPos].GetPage();
+    a = m_History[m_HistoryPos].GetAnchor();
+    m_HistoryOn = FALSE;
+    if (a == wxEmptyString) LoadPage(l);
+    else LoadPage(l + "#" + a);
+    m_HistoryOn = TRUE;
+    Scroll(0, m_History[m_HistoryPos].GetPos());
+    Refresh();
+    return TRUE;
+}
+
+
+
+bool wxHtmlWindow::HistoryForward()
+{
+    wxString a, l;
+
+    if (m_HistoryPos == -1) return FALSE;
+    if (m_HistoryPos >= (int)m_History.GetCount() - 1)return FALSE;
+
+    m_OpenedPage = wxEmptyString; // this will disable adding new entry into history in LoadPage()
+
+    m_HistoryPos++;
+    l = m_History[m_HistoryPos].GetPage();
+    a = m_History[m_HistoryPos].GetAnchor();
+    m_HistoryOn = FALSE;
+    if (a == wxEmptyString) LoadPage(l);
+    else LoadPage(l + "#" + a);
+    m_HistoryOn = TRUE;
+    Scroll(0, m_History[m_HistoryPos].GetPos());
+    Refresh();
+    return TRUE;
+}
+
+
+
+void wxHtmlWindow::HistoryClear()
+{
+    m_History.Empty();
+    m_HistoryPos = -1;
+}
+
+
+
+wxList wxHtmlWindow::m_Filters;
+wxHtmlFilterPlainText wxHtmlWindow::m_DefaultFilter;
+
+void wxHtmlWindow::AddFilter(wxHtmlFilter *filter)
+{
+    m_Filters.DeleteContents(TRUE);
+    m_Filters.Append(filter);
+}
+
+
+
+
+void wxHtmlWindow::OnLinkClicked(const wxString& link)
+{
+    LoadPage(link);
+}
+
+
+
+void wxHtmlWindow::OnDraw(wxDC& dc)
+{
+    int x, y;
+    wxRegionIterator upd(GetUpdateRegion()); // get the update rect list
+    int v_y, v_h;
+
+    if (!m_tmpCanDraw) return;
+    dc.SetMapMode(wxMM_TEXT);
+#if defined(_MSC_VER) && (_MSC_VER == 1200)
+    ::SetMapMode((HDC)dc.GetHDC(), MM_TEXT);
+#endif
+    dc.SetBackgroundMode(wxTRANSPARENT);
+    ViewStart(&x, &y);
+
+    while (upd) {
+        v_y = upd.GetY();
+        v_h = upd.GetH();
+        if (m_Cell) m_Cell -> Draw(dc, 0, 0, y * HTML_SCROLL_STEP + v_y, y * HTML_SCROLL_STEP + v_h + v_y);
+        upd++;
+    }
+}
+
+
+
+
+void wxHtmlWindow::OnSize(wxSizeEvent& event)
+{
+    wxScrolledWindow::OnSize(event);
+    CreateLayout();
+}
+
+
+
+void wxHtmlWindow::OnKeyDown(wxKeyEvent& event)
+{
+    int dummy;
+    int sty, szy, cliy;
+
+    ViewStart(&dummy, &sty);
+    GetClientSize(&dummy, &cliy); cliy /= HTML_SCROLL_STEP;
+    GetVirtualSize(&dummy, &szy); szy /= HTML_SCROLL_STEP;
+
+    switch (event.KeyCode()) {
+        case WXK_PAGEUP :
+    case WXK_PRIOR :
+                Scroll(-1, sty - cliy);
+                break;
+        case WXK_PAGEDOWN :
+    case WXK_NEXT :
+                Scroll(-1, sty + cliy);
+                break;
+        case WXK_HOME :
+                Scroll(-1, 0);
+                break;
+        case WXK_END :
+                Scroll(-1, szy - cliy);
+                break;
+        case WXK_UP :
+                Scroll(-1, sty - 1);
+                break;
+        case WXK_DOWN :
+                Scroll(-1, sty + 1);
+                break;
+    }
+}
+
+
+
+void wxHtmlWindow::OnMouseEvent(wxMouseEvent& event)
+{
+    m_tmpMouseMoved = TRUE;
+
+    if (event.ButtonDown()) {
+        int sx, sy;
+        wxPoint pos;
+        wxString lnk;
+
+        ViewStart(&sx, &sy); sx *= HTML_SCROLL_STEP; sy *= HTML_SCROLL_STEP;
+        pos = event.GetPosition();
+
+        if (m_Cell)
+            m_Cell -> OnMouseClick(this, sx + pos.x, sy + pos.y, event.ButtonDown(1), event.ButtonDown(2), event.ButtonDown(3));
+    }
+}
+
+
+
+void wxHtmlWindow::OnIdle(wxIdleEvent& event)
+{
+    static wxCursor cur_hand(wxCURSOR_HAND), cur_arrow(wxCURSOR_ARROW);
+
+    if (m_tmpMouseMoved && (m_Cell != NULL)) {
+        int sx, sy;
+        int x, y;
+        wxString lnk;
+
+        ViewStart(&sx, &sy); sx *= HTML_SCROLL_STEP; sy *= HTML_SCROLL_STEP;
+        wxGetMousePosition(&x, &y);
+        ScreenToClient(&x, &y);
+        lnk = m_Cell -> GetLink(sx + x, sy + y);
+
+        if (lnk == wxEmptyString) {
+            SetCursor(cur_arrow);
+            if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(wxEmptyString, m_RelatedStatusBar);
+        }
+        else {
+            SetCursor(cur_hand);
+            if (m_RelatedStatusBar != -1) m_RelatedFrame -> SetStatusText(lnk, m_RelatedStatusBar);
+        }
+        m_tmpMouseMoved = FALSE;
+    }
+}
+
+
+
+
+IMPLEMENT_DYNAMIC_CLASS(wxHtmlWindow,wxScrolledWindow)
+
+BEGIN_EVENT_TABLE(wxHtmlWindow, wxScrolledWindow)
+    EVT_SIZE(wxHtmlWindow::OnSize)
+    EVT_LEFT_DOWN(wxHtmlWindow::OnMouseEvent)
+    EVT_MOTION(wxHtmlWindow::OnMouseEvent)
+    EVT_IDLE(wxHtmlWindow::OnIdle)
+    EVT_KEY_DOWN(wxHtmlWindow::OnKeyDown)
+END_EVENT_TABLE()
+
+
+
+
+
+
+
+
+///// default mod handlers are forced there:
+
+FORCE_LINK(mod_layout)
+FORCE_LINK(mod_fonts)
+FORCE_LINK(mod_image)
+FORCE_LINK(mod_list)
+FORCE_LINK(mod_pre)
+FORCE_LINK(mod_hline)
+FORCE_LINK(mod_links)
+FORCE_LINK(mod_tables)
+
+
+#endif