partially backported wxHTML SetFonts improvements

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@20070 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/htdcrend.tex

@@ -44,8 +44,19 @@ in pixels (you should set it to page width minus margins).
 the screen width is always 800 pixels: it gives best results and ensures (almost) same printed outputs
 across platforms and differently configured desktops.}
 
+\membersection{wxHtmlDCRenderer::SetFonts}\label{wxhtmldcrenderersetfonts}
+
+\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes = NULL}}
+
+Sets fonts. See \helpref{wxHtmlWindow::SetFonts}{wxhtmlwindowsetfonts} for
+detailed description.
+
 See also \helpref{SetSize}{wxhtmldcrenderersetsize}.
 
+\wxheading{Note}
+
+This method was added in wxWindows 2.4.1.
+
 \membersection{wxHtmlDCRenderer::SetSize}\label{wxhtmldcrenderersetsize}
 
 \func{void}{SetSize}{\param{int }{width}, \param{int }{height}}

docs/latex/wx/htprint.tex

@@ -27,6 +27,16 @@ This class serves as printout class for HTML documents.
 Constructor. 
 
 
+\membersection{wxHtmlPrintout::SetFonts}\label{wxhtmlprintoutsetfonts}
+
+\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes = NULL}}
+
+Sets fonts. See \helpref{wxHtmlWindow::SetFonts}{wxhtmlwindowsetfonts} for
+detailed description.
+
+\wxheading{Note}
+
+This method was added in wxWindows 2.4.1.
 
 \membersection{wxHtmlPrintout::SetFooter}\label{wxhtmlprintoutsetfooter}
 

docs/latex/wx/htwindow.tex

@@ -14,8 +14,9 @@ file or downloaded via HTTP protocol) in a window. The width
 of the window is constant - given in the constructor - and virtual height
 is changed dynamically depending on page size.
 Once the window is created you can set its content by calling 
-\helpref{SetPage(text)}{wxhtmlwindowsetpage} or 
-\helpref{LoadPage(filename)}{wxhtmlwindowloadpage}. 
+\helpref{SetPage(text)}{wxhtmlwindowsetpage},
+\helpref{LoadPage(filename)}{wxhtmlwindowloadpage} or
+\helpref{LoadFile}{wxhtmlwindowloadfile}.
 
 \wxheading{Note}
 
@@ -146,6 +147,24 @@ Clears history.
 
 Moves to next page in history.
 
+\membersection{wxHtmlWindow::LoadFile}\label{wxhtmlwindowloadfile}
+
+\func{virtual bool}{LoadFile}{\param{const wxFileName\& }{filename}}
+
+Loads HTML page from file and displays it.
+
+\wxheading{Return value}
+
+FALSE if an error occurred, TRUE otherwise
+
+\wxheading{Note}
+
+This method was added in wxWindows 2.4.1.
+
+\wxheading{See also}
+
+\helpref{LoadPage}{wxhtmlwindowloadpage}
+
 \membersection{wxHtmlWindow::LoadPage}\label{wxhtmlwindowloadpage}
 
 \func{virtual bool}{LoadPage}{\param{const wxString\& }{location}}
@@ -154,7 +173,7 @@ Unlike SetPage this function first loads HTML page from {\it location}
 and then displays it. See example:
 
 \begin{verbatim}
-htmlwin -> SetPage("help/myproject/index.htm");
+htmlwin->LoadPage("help/myproject/index.htm");
 \end{verbatim}
 
 \wxheading{Parameters}
@@ -165,6 +184,10 @@ htmlwin -> SetPage("help/myproject/index.htm");
 
 FALSE if an error occurred, TRUE otherwise
 
+\wxheading{See also}
+
+\helpref{LoadFile}{wxhtmlwindowloadfile}
+
 \membersection{wxHtmlWindow::OnCellClicked}\label{wxhtmlwindowoncellclicked}
 
 \func{virtual void}{OnCellClicked}{\param{wxHtmlCell }{*cell}, \param{wxCoord }{x}, \param{wxCoord }{y}, \param{const wxMouseEvent\& }{event}}
@@ -278,7 +301,7 @@ This function sets the space between border of window and HTML contents. See ima
 
 \membersection{wxHtmlWindow::SetFonts}\label{wxhtmlwindowsetfonts}
 
-\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes}}
+\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes = NULL}}
 
 This function sets font sizes and faces.
 
@@ -293,24 +316,20 @@ platform-specific face name. Examples are "helvetica" under Unix or
 
 \docparam{sizes}{This is an array of 7 items of {\it int} type.
 The values represent size of font with HTML size from -2 to +4
-( <FONT SIZE=-2> to <FONT SIZE=+4> )}
+( <FONT SIZE=-2> to <FONT SIZE=+4> ). Default sizes are used if {\it sizes}
+is NULL.}
 
 \wxheading{Defaults}
 
-Under wxGTK:
+Default font sizes are defined by constants wxHTML\_FONT\_SIZE\_1,
+wxHTML\_FONT\_SIZE\_2, ..., wxHTML\_FONT\_SIZE\_7. Note that they differ among
+platforms. Default face names are empty strings.
 
-\begin{verbatim}
-    SetFonts("", "", {10, 12, 14, 16, 19, 24, 32});
-\end{verbatim}
+\wxheading{Note}
 
-Under Windows:
-
-\begin{verbatim}
-    SetFonts("", "", {7, 8, 10, 12, 16, 22, 30});
-\end{verbatim}
-
-Although it seems different the fact is that the fonts are of approximately
-same size under both platforms (due to wxMSW / wxGTK inconsistency)
+{\tt NULL} is valid value of {\it sizes} since wxWindows 2.4.1. Older
+versions did not accept {\tt NULL} value. wxHTML\_FONT\_SIZE\_n constants
+were added in wxWindows 2.4.1.
 
 \membersection{wxHtmlWindow::SetPage}\label{wxhtmlwindowsetpage}
 

docs/latex/wx/htwinprs.tex

@@ -269,9 +269,10 @@ Sets underlined flag of actualfont. {\it x} is either TRUE of FALSE.
 
 \membersection{wxHtmlWinParser::SetFonts}\label{wxhtmlwinparsersetfonts}
 
-\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes}}
+\func{void}{SetFonts}{\param{wxString }{normal\_face}, \param{wxString }{fixed\_face}, \param{const int }{*sizes = NULL}}
 
-Sets fonts. This method is identical to \helpref{wxHtmlWindow::SetFonts}{wxhtmlwindowsetfonts}
+Sets fonts. See \helpref{wxHtmlWindow::SetFonts}{wxhtmlwindowsetfonts} for
+detailed description.
 
 \membersection{wxHtmlWinParser::SetInputEncoding}\label{wxhtmlwinparsersetinputencoding}
 

include/wx/html/htmldefs.h

@@ -99,10 +99,32 @@
     /* maximum number of pages printable via html printing */
 
 
-
-
-
-
+    /* default font sizes */
+#ifdef __WXMSW__
+   #define wxHTML_FONT_SIZE_1              7
+   #define wxHTML_FONT_SIZE_2              8
+   #define wxHTML_FONT_SIZE_3             10
+   #define wxHTML_FONT_SIZE_4             12
+   #define wxHTML_FONT_SIZE_5             16
+   #define wxHTML_FONT_SIZE_6             22
+   #define wxHTML_FONT_SIZE_7             30
+#elif defined(__WXMAC__)
+   #define wxHTML_FONT_SIZE_1              9
+   #define wxHTML_FONT_SIZE_2             12
+   #define wxHTML_FONT_SIZE_3             14
+   #define wxHTML_FONT_SIZE_4             18
+   #define wxHTML_FONT_SIZE_5             24
+   #define wxHTML_FONT_SIZE_6             30
+   #define wxHTML_FONT_SIZE_7             36
+#else
+   #define wxHTML_FONT_SIZE_1             10
+   #define wxHTML_FONT_SIZE_2             12
+   #define wxHTML_FONT_SIZE_3             14
+   #define wxHTML_FONT_SIZE_4             16
+   #define wxHTML_FONT_SIZE_5             19
+   #define wxHTML_FONT_SIZE_6             24
+   #define wxHTML_FONT_SIZE_7             32
+#endif
 
 
 #if WXWIN_COMPATIBILITY_2

include/wx/html/htmlwin.h

@@ -26,6 +26,7 @@
 #include "wx/html/htmlcell.h"
 #include "wx/filesys.h"
 #include "wx/html/htmlfilt.h"
+#include "wx/filename.h"
 
 class wxHtmlProcessor;
 class wxHtmlWinModule;
@@ -100,6 +101,9 @@ public:
     // Return value : same as SetPage
     virtual bool LoadPage(const wxString& location);
 
+    // Loads HTML page from file
+    bool LoadFile(const wxFileName& filename);
+
     // Returns full location of opened page
     wxString GetOpenedPage() const {return m_OpenedPage;}
     // Returns anchor within opened page
@@ -117,7 +121,8 @@ public:
     void SetRelatedStatusBar(int bar);
 
     // Sets fonts to be used when displaying HTML page.
-    void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes);
+    void SetFonts(wxString normal_face, wxString fixed_face,
+                  const int *sizes = NULL);
 
     // Sets space between text and window borders.
     void SetBorders(int b) {m_Borders = b;}

include/wx/html/htmprint.h

@@ -53,6 +53,9 @@ public:
     // (see wxFileSystem for detailed explanation)
     void SetHtmlText(const wxString& html, const wxString& basepath = wxEmptyString, bool isdir = TRUE);
 
+    // Sets fonts to be used when displaying HTML page. (if size null then default sizes used).
+    void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes = NULL);
+
     // [x,y] is position of upper-left corner of printing rectangle (see SetSize)
     // from is y-coordinate of the very first visible cell 
     // Returned value is y coordinate of first cell than didn't fit onto page.
@@ -123,6 +126,9 @@ public:
             // pg is one of wxPAGE_ODD, wxPAGE_EVEN and wx_PAGE_ALL constants.
             // You can set different header/footer for odd and even pages
 
+    // Sets fonts to be used when displaying HTML page. (if size null then default sizes used).
+    void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes = NULL);
+
     void SetMargins(float top = 25.2, float bottom = 25.2, float left = 25.2, float right = 25.2, 
                     float spaces = 5);
             // sets margins in milimeters. Defaults to 1 inch for margins and 0.5cm for space

include/wx/html/winpars.h

@@ -68,8 +68,8 @@ public:
     // returns associated wxWindow
     wxHtmlWindow *GetWindow() {return m_Window;}
 
-    // sets fonts to be used when displaying HTML page.
-    void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes);
+    // Sets fonts to be used when displaying HTML page. (if size null then default sizes used).
+    void SetFonts(wxString normal_face, wxString fixed_face, const int *sizes = NULL);
 
     // Adds tags module. see wxHtmlTagsModule for details.
     static void AddModule(wxHtmlTagsModule *module);

src/html/htmprint.cpp

@@ -93,6 +93,13 @@ void wxHtmlDCRenderer::SetHtmlText(const wxString& html, const wxString& basepat
 }
 
 
+void wxHtmlDCRenderer::SetFonts(wxString normal_face, wxString fixed_face,
+                                const int *sizes)
+{
+    m_Parser->SetFonts(normal_face, fixed_face, sizes);
+    if (m_DC == NULL && m_Cells != NULL) m_Cells->Layout(m_Width);
+}
+
 
 int wxHtmlDCRenderer::Render(int x, int y, int from, int dont_render)
 {
@@ -408,11 +415,18 @@ void wxHtmlPrintout::SetMargins(float top, float bottom, float left, float right
 
 
 
+void wxHtmlPrintout::SetFonts(wxString normal_face, wxString fixed_face,
+                              const int *sizes)
+{
+    m_Renderer->SetFonts(normal_face, fixed_face, sizes);
+    m_RendererHdr->SetFonts(normal_face, fixed_face, sizes);
+}
 
 
-//--------------------------------------------------------------------------------
+
+//----------------------------------------------------------------------------
 // wxHtmlEasyPrinting
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 
 
 wxHtmlEasyPrinting::wxHtmlEasyPrinting(const wxString& name, wxFrame *parent_frame)

src/html/winpars.cpp

@@ -69,14 +69,8 @@ wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindow *wnd) : wxHtmlParser()
                             m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
 #endif
                         }
-#ifdef __WXMSW__
-        static int default_sizes[7] = {7, 8, 10, 12, 16, 22, 30};
-#elif defined(__WXMAC__)
-        static int default_sizes[7] = {9, 12, 14, 18, 24, 30, 36};
-#else
-        static int default_sizes[7] = {10, 12, 14, 16, 19, 24, 32};
-#endif
-        SetFonts(wxT(""), wxT(""), default_sizes);
+
+        SetFonts(wxEmptyString, wxEmptyString, NULL);
     }
 
     // fill in wxHtmlParser's tables:
@@ -118,8 +112,22 @@ void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
     m_Modules.DeleteObject(module);
 }
 
-void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face, const int *sizes)
+void wxHtmlWinParser::SetFonts(wxString normal_face, wxString fixed_face,
+                               const int *sizes)
 {
+    static int default_sizes[7] =
+        {
+            wxHTML_FONT_SIZE_1,
+			wxHTML_FONT_SIZE_2,
+			wxHTML_FONT_SIZE_3,
+			wxHTML_FONT_SIZE_4,
+			wxHTML_FONT_SIZE_5,
+			wxHTML_FONT_SIZE_6,
+			wxHTML_FONT_SIZE_7
+        };
+    
+    if (sizes == NULL) sizes = default_sizes;
+
     int i, j, k, l, m;
 
     for (i = 0; i < 7; i++) m_FontsSizes[i] = sizes[i];