X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d4864e971beb14110e16450729bf16e733d79fff..a4301b8f14d21b7d28fc4f6a247b740d945ca6dc:/include/wx/control.h?ds=sidebyside diff --git a/include/wx/control.h b/include/wx/control.h index 012e5c5a32..6bd5ed190b 100644 --- a/include/wx/control.h +++ b/include/wx/control.h @@ -5,7 +5,7 @@ // Modified by: // Created: 26.07.99 // RCS-ID: $Id$ -// Copyright: (c) wxWindows team +// Copyright: (c) wxWidgets team // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -16,23 +16,44 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "controlbase.h" -#endif - #include "wx/defs.h" #if wxUSE_CONTROLS #include "wx/window.h" // base class -WXDLLEXPORT_DATA(extern const wxChar*) wxControlNameStr; +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 // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxControlBase : public wxWindow +class WXDLLIMPEXP_CORE wxControlBase : public wxWindow { public: wxControlBase() { } @@ -47,19 +68,117 @@ public: const wxValidator& validator = wxDefaultValidator, const wxString& name = wxControlNameStr); - // simulates the event of given type (i.e. wxButton::Command() is just as - // if the button was clicked) - virtual void Command(wxCommandEvent &event); - // get the control alignment (left/right/centre, top/bottom/centre) int GetAlignment() const { return m_windowStyle & wxALIGN_MASK; } + // set label with mnemonics + virtual void SetLabel(const wxString& label) + { + m_labelOrig = label; + + InvalidateBestSize(); + + wxWindow::SetLabel(label); + } + + // 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) + { + SetLabel(EscapeMnemonics(text)); + } + + // get just the text of the label, without mnemonic characters ('&') + virtual wxString GetLabelText() const { return GetLabelText(GetLabel()); } + + +#if wxUSE_MARKUP + // Set the label with markup (and mnemonics). Markup is a simple subset of + // HTML with tags such as , and . By default it is not + // supported i.e. all the markup is simply stripped and SetLabel() is + // called but some controls in some ports do support this already and in + // the future most of them should. + // + // Notice that, being HTML-like, markup also supports XML entities so '<' + // should be encoded as "<" and so on, a bare '<' in the input will + // likely result in an error. As an exception, a bare '&' is allowed and + // indicates that the next character is a mnemonic. To insert a literal '&' + // in the control you need to use "&" in the input string. + // + // Returns true if the label was set, even if the markup in it was ignored. + // False is only returned if we failed to parse the label. + bool SetLabelMarkup(const wxString& markup) + { + return DoSetLabelMarkup(markup); + } +#endif // wxUSE_MARKUP + + // controls by default inherit the colours of their parents, if a // particular control class doesn't want to do it, it can override // ShouldInheritColours() to return false virtual bool ShouldInheritColours() const { return true; } + + // WARNING: this doesn't work for all controls nor all platforms! + // + // simulates the event of given type (i.e. wxButton::Command() is just as + // if the button was clicked) + virtual void Command(wxCommandEvent &event); + + virtual bool SetFont(const wxFont& font); + + // wxControl-specific processing after processing the update event + virtual void DoUpdateWindowUI(wxUpdateUIEvent& event); + + wxSize GetSizeFromTextSize(int xlen, int ylen = -1) const + { return DoGetSizeFromTextSize(xlen, ylen); } + wxSize GetSizeFromTextSize(const wxSize& tsize) const + { return DoGetSizeFromTextSize(tsize.x, tsize.y); } + + + // 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; + // creates the control (calls wxWindowBase::CreateBase inside) and adds it // to the list of parents children bool CreateControl(wxWindowBase *parent, @@ -70,13 +189,36 @@ protected: const wxValidator& validator, const wxString& name); - // inherit colour and font settings from the parent window - void InheritAttributes(); +#if wxUSE_MARKUP + // This function may be overridden in the derived classes to implement + // support for labels with markup. The base class version simply strips the + // markup and calls SetLabel() with the remaining text. + virtual bool DoSetLabelMarkup(const wxString& markup); +#endif // wxUSE_MARKUP + + // override this to return the total control's size from a string size + virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const; // initialize the common fields of wxCommandEvent void InitCommandEvent(wxCommandEvent& event) const; - DECLARE_NO_COPY_CLASS(wxControlBase) + // Ellipsize() helper: + static wxString DoEllipsizeSingleLine(const wxString& label, const wxDC& dc, + wxEllipsizeMode mode, int maxWidth, + int replacementWidth); + +#if wxUSE_MARKUP + // Remove markup from the given string, returns empty string on error i.e. + // if markup was syntactically invalid. + static wxString RemoveMarkup(const wxString& markup); +#endif // wxUSE_MARKUP + + + // this field contains the label in wx format, i.e. with '&' mnemonics, + // as it was passed to the last SetLabel() call + wxString m_labelOrig; + + wxDECLARE_NO_COPY_CLASS(wxControlBase); }; // ---------------------------------------------------------------------------- @@ -89,10 +231,12 @@ protected: #include "wx/msw/control.h" #elif defined(__WXMOTIF__) #include "wx/motif/control.h" -#elif defined(__WXGTK__) +#elif defined(__WXGTK20__) #include "wx/gtk/control.h" +#elif defined(__WXGTK__) + #include "wx/gtk1/control.h" #elif defined(__WXMAC__) - #include "wx/mac/control.h" + #include "wx/osx/control.h" #elif defined(__WXCOCOA__) #include "wx/cocoa/control.h" #elif defined(__WXPM__)