wxHTML: Support percentage width in IMG tag.

[wxWidgets.git] / include / wx / control.h

diff --git a/include/wx/control.h b/include/wx/control.h
index a7c6496e72975c87c7049e0f08559db8be8aa6e7..31ceeef4211fa7a9f46673f27471f0a5234b30ad 100644 (file)
--- a/include/wx/control.h
+++ b/include/wx/control.h
@@ -24,6 +24,31 @@
 
 extern WXDLLIMPEXP_DATA_CORE(const char) wxControlNameStr[];
 
+
+// ----------------------------------------------------------------------------
+// Ellipsize() constants
+// ----------------------------------------------------------------------------
+
+enum wxEllipsizeFlags
+{
+    wxELLIPSIZE_FLAGS_NONE = 0,
+    wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS = 1,
+    wxELLIPSIZE_FLAGS_EXPAND_TABS = 2,
+
+    wxELLIPSIZE_FLAGS_DEFAULT = wxELLIPSIZE_FLAGS_PROCESS_MNEMONICS |
+                                wxELLIPSIZE_FLAGS_EXPAND_TABS
+};
+
+// NB: Don't change the order of these values, they're the same as in
+//     PangoEllipsizeMode enum.
+enum wxEllipsizeMode
+{
+    wxELLIPSIZE_NONE,
+    wxELLIPSIZE_START,
+    wxELLIPSIZE_MIDDLE,
+    wxELLIPSIZE_END
+};
+
 // ----------------------------------------------------------------------------
 // wxControl is the base class for all controls
 // ----------------------------------------------------------------------------
@@ -46,9 +71,7 @@ public:
     // get the control alignment (left/right/centre, top/bottom/centre)
     int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; }
 
-    // get just the text of the label, without mnemonic characters ('&')
-    wxString GetLabelText() const { return GetLabelText(GetLabel()); }
-
+    // set label with mnemonics
     virtual void SetLabel(const wxString& label)
     {
         m_labelOrig = label;
@@ -58,26 +81,18 @@ public:
         wxWindow::SetLabel(label);
     }
 
-    virtual wxString GetLabel() const
+    // return the original string, as it was passed to SetLabel()
+    // (i.e. with wx-style mnemonics)
+    virtual wxString GetLabel() const { return m_labelOrig; }
+
+    // set label text (mnemonics will be escaped)
+    virtual void SetLabelText(const wxString& text)
     {
-        // return the original string, as it was passed to SetLabel()
-        // (i.e. with wx-style mnemonics)
-        return m_labelOrig;
+        SetLabel(EscapeMnemonics(text));
     }
 
-    // static utilities:
-
-    // get the string without mnemonic characters ('&')
-    static wxString GetLabelText(const wxString& label);
-
-    // removes the mnemonics characters
-    static wxString RemoveMnemonics(const wxString& str);
-
-    // return the accel index in the string or -1 if none and puts the modified
-    // string into second parameter if non NULL
-    static int FindAccelIndex(const wxString& label,
-                              wxString *labelOnly = NULL);
-
+    // get just the text of the label, without mnemonic characters ('&')
+    virtual wxString GetLabelText() const { return GetLabelText(GetLabel()); }
 
     // controls by default inherit the colours of their parents, if a
     // particular control class doesn't want to do it, it can override
@@ -96,6 +111,43 @@ public:
     // wxControl-specific processing after processing the update event
     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
 
+
+
+    // static utilities for mnemonics char (&) handling
+    // ------------------------------------------------
+
+    // returns the given string without mnemonic characters ('&')
+    static wxString GetLabelText(const wxString& label);
+
+    // returns the given string without mnemonic characters ('&')
+    // this function is identic to GetLabelText() and is provided for clarity
+    // and for symmetry with the wxStaticText::RemoveMarkup() function.
+    static wxString RemoveMnemonics(const wxString& str);
+
+    // escapes (by doubling them) the mnemonics
+    static wxString EscapeMnemonics(const wxString& str);
+
+
+    // miscellaneous static utilities
+    // ------------------------------
+
+    // replaces parts of the given (multiline) string with an ellipsis if needed
+    static wxString Ellipsize(const wxString& label, const wxDC& dc,
+                              wxEllipsizeMode mode, int maxWidth,
+                              int flags = wxELLIPSIZE_FLAGS_DEFAULT);
+
+    // return the accel index in the string or -1 if none and puts the modified
+    // string into second parameter if non NULL
+    static int FindAccelIndex(const wxString& label,
+                              wxString *labelOnly = NULL);
+
+    // this is a helper for the derived class GetClassDefaultAttributes()
+    // implementation: it returns the right colours for the classes which
+    // contain something else (e.g. wxListBox, wxTextCtrl, ...) instead of
+    // being simple controls (such as wxButton, wxCheckBox, ...)
+    static wxVisualAttributes
+        GetCompositeControlsDefaultAttributes(wxWindowVariant variant);
+
 protected:
     // choose the default border for this window
     virtual wxBorder GetDefaultBorder() const;
@@ -113,10 +165,15 @@ protected:
     // initialize the common fields of wxCommandEvent
     void InitCommandEvent(wxCommandEvent& event) const;
 
+    // Ellipsize() helper:
+    static wxString DoEllipsizeSingleLine(const wxString& label, const wxDC& dc,
+                                          wxEllipsizeMode mode, int maxWidth,
+                                          int replacementWidth, int marginWidth);
+
     // this field contains the label in wx format, i.e. with '&' mnemonics
     wxString m_labelOrig;
 
-    DECLARE_NO_COPY_CLASS(wxControlBase)
+    wxDECLARE_NO_COPY_CLASS(wxControlBase);
 };
 
 // ----------------------------------------------------------------------------