Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / html / htmlcell.h

diff --git a/include/wx/html/htmlcell.h b/include/wx/html/htmlcell.h
index 9a242b09a4a23461c883b7387aa245ca6bbfe1fe..c42299eb266df6b51b6b1f25ac5b73f67ad8d073 100644 (file)
--- a/include/wx/html/htmlcell.h
+++ b/include/wx/html/htmlcell.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        htmlcell.h
+// Name:        wx/html/htmlcell.h
 // Purpose:     wxHtmlCell class is used by wxHtmlWindow/wxHtmlWinParser
 //              as a basic visual element of HTML page
 // Author:      Vaclav Slavik
@@ -34,9 +34,10 @@ class WXDLLIMPEXP_HTML wxHtmlSelection
 public:
     wxHtmlSelection()
         : m_fromPos(wxDefaultPosition), m_toPos(wxDefaultPosition),
-          m_fromPrivPos(wxDefaultPosition), m_toPrivPos(wxDefaultPosition),
+          m_fromCharacterPos(-1), m_toCharacterPos(-1),
           m_fromCell(NULL), m_toCell(NULL) {}
 
+    // this version is used for the user selection defined with the mouse
     void Set(const wxPoint& fromPos, const wxHtmlCell *fromCell,
              const wxPoint& toPos, const wxHtmlCell *toCell);
     void Set(const wxHtmlCell *fromCell, const wxHtmlCell *toCell);
@@ -49,11 +50,13 @@ public:
     const wxPoint& GetToPos() const { return m_toPos; }
 
     // these are From/ToCell's private data
-    const wxPoint& GetFromPrivPos() const { return m_fromPrivPos; }
-    const wxPoint& GetToPrivPos() const { return m_toPrivPos; }
-    void SetFromPrivPos(const wxPoint& pos) { m_fromPrivPos = pos; }
-    void SetToPrivPos(const wxPoint& pos) { m_toPrivPos = pos; }
-    void ClearPrivPos() { m_toPrivPos = m_fromPrivPos = wxDefaultPosition; }
+    void ClearFromToCharacterPos() { m_toCharacterPos = m_fromCharacterPos = -1; }
+    bool AreFromToCharacterPosSet() const { return m_toCharacterPos != -1 && m_fromCharacterPos != -1; }
+
+    void SetFromCharacterPos (wxCoord pos) { m_fromCharacterPos = pos; }
+    void SetToCharacterPos (wxCoord pos) { m_toCharacterPos = pos; }
+    wxCoord GetFromCharacterPos () const { return m_fromCharacterPos; }
+    wxCoord GetToCharacterPos () const { return m_toCharacterPos; }
 
     bool IsEmpty() const
         { return m_fromPos == wxDefaultPosition &&
@@ -61,7 +64,7 @@ public:
 
 private:
     wxPoint m_fromPos, m_toPos;
-    wxPoint m_fromPrivPos, m_toPrivPos;
+    wxCoord m_fromCharacterPos, m_toCharacterPos;
     const wxHtmlCell *m_fromCell, *m_toCell;
 };
 
@@ -88,10 +91,13 @@ public:
     const wxColour& GetFgColour() const { return m_fgColour; }
     void SetBgColour(const wxColour& c) { m_bgColour = c; }
     const wxColour& GetBgColour() const { return m_bgColour; }
+    void SetBgMode(int m) { m_bgMode = m; }
+    int GetBgMode() const { return m_bgMode; }
 
 private:
     wxHtmlSelectionState  m_selState;
     wxColour              m_fgColour, m_bgColour;
+    int                   m_bgMode;
 };
 
 
@@ -277,10 +283,13 @@ public:
     // Returned value : true if pagebreak was modified, false otherwise
     // Usage : while (container->AdjustPagebreak(&p)) {}
     virtual bool AdjustPagebreak(int *pagebreak,
-                                 wxArrayInt& known_pagebreaks) const;
+                                 const wxArrayInt& known_pagebreaks,
+                                 int pageHeight) const;
 
     // Sets cell's behaviour on pagebreaks (see AdjustPagebreak). Default
     // is true - the cell can be split on two pages
+    // If there is no way to fit a cell in the current page size, the cell
+    // is always split, ignoring this setting.
     void SetCanLiveOnPagebreak(bool can) { m_CanLiveOnPagebreak = can; }
 
     // Can the line be broken before this cell?
@@ -336,9 +345,9 @@ protected:
     wxHtmlContainerCell *m_Parent;
 
     // dimensions of fragment (m_Descent is used to position text & images)
-    long m_Width, m_Height, m_Descent;
+    int m_Width, m_Height, m_Descent;
     // position where the fragment is drawn:
-    long m_PosX, m_PosY;
+    int m_PosX, m_PosY;
 
     // superscript/subscript/normal:
     wxHtmlScriptMode m_ScriptMode;
@@ -436,8 +445,10 @@ public:
                       wxHtmlRenderingInfo& info);
     virtual void DrawInvisible(wxDC& dc, int x, int y,
                                wxHtmlRenderingInfo& info);
-/*    virtual bool AdjustPagebreak(int *pagebreak, int *known_pagebreaks = NULL, int number_of_pages = 0) const;*/
-    virtual bool AdjustPagebreak(int *pagebreak, wxArrayInt& known_pagebreaks) const;
+
+    virtual bool AdjustPagebreak(int *pagebreak,
+                                 const wxArrayInt& known_pagebreaks,
+                                 int pageHeight) const;
 
     // insert cell at the end of m_Cells list
     void InsertCell(wxHtmlCell *cell);
@@ -466,7 +477,7 @@ public:
     // sets minimal height of this container.
     void SetMinHeight(int h, int align = wxHTML_ALIGN_TOP) {m_MinHeight = h; m_MinHeightAlign = align; m_LastLayout = -1;}
 
-    void SetBackgroundColour(const wxColour& clr) {m_UseBkColour = true; m_BkColour = clr;}
+    void SetBackgroundColour(const wxColour& clr) {m_BkColour = clr;}
     // returns background colour (of wxNullColour if none set), so that widgets can
     // adapt to it:
     wxColour GetBackgroundColour();
@@ -526,7 +537,6 @@ protected:
             // alignment horizontal and vertical (left, center, right)
     int m_WidthFloat, m_WidthFloatUnits;
             // width float is used in adjustWidth
-    bool m_UseBkColour;
     wxColour m_BkColour;
             // background color of this container
     int m_Border;