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added wxTextEntry common base class for both wxTextCtrl and wxComboBox; refactor wxGTK code to put common parts of these classes in the base class; fixed some inconsistencies in the text control behaviour between platforms

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48944 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-09-26 00:30:22 +00:00
parent c0d9b217a7
commit 0ec1179b86
33 changed files with 1224 additions and 862 deletions
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214
include/wx/textctrl.h
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@@ -21,6 +21,7 @@
#if wxUSE_TEXTCTRL
#include "wx/control.h" // the base class
#include "wx/textentry.h" // single-line text entry interface
#include "wx/dynarray.h" // wxArrayInt
#include "wx/gdicmn.h" // wxPoint
@@ -46,9 +47,6 @@ class WXDLLIMPEXP_FWD_CORE wxTextCtrlBase;
// wxTextCtrl types
// ----------------------------------------------------------------------------
// wxTextPos is the position in the text
typedef long wxTextPos;
// wxTextCoord is the line or row number (which should have been unsigned but
// is long for backwards compatibility)
typedef long wxTextCoord;
@@ -272,69 +270,35 @@ private:
};
// ----------------------------------------------------------------------------
// wxTextCtrl: a single or multiple line text zone where user can enter and
// edit text
// wxTextAreaBase: multiline text control specific methods
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxTextCtrlBase : public wxControl
#if wxHAS_TEXT_WINDOW_STREAM
, public wxSTD streambuf
#endif
class WXDLLIMPEXP_CORE wxTextAreaBase
{
public:
// creation
// --------
wxTextAreaBase() { }
virtual ~wxTextAreaBase() { }
wxTextCtrlBase(){}
virtual ~wxTextCtrlBase(){}
// accessors
// ---------
virtual wxString GetValue() const = 0;
virtual bool IsEmpty() const { return GetValue().empty(); }
virtual void SetValue(const wxString& value)
{ DoSetValue(value, SetValue_SendEvent); }
virtual void ChangeValue(const wxString& value)
{ DoSetValue(value); }
virtual wxString GetRange(long from, long to) const;
// lines access
// ------------
virtual int GetLineLength(long lineNo) const = 0;
virtual wxString GetLineText(long lineNo) const = 0;
virtual int GetNumberOfLines() const = 0;
// file IO
// -------
bool LoadFile(const wxString& file, int fileType = wxTEXT_TYPE_ANY)
{ return DoLoadFile(file, fileType); }
bool SaveFile(const wxString& file = wxEmptyString,
int fileType = wxTEXT_TYPE_ANY);
// dirty flag handling
// -------------------
virtual bool IsModified() const = 0;
virtual bool IsEditable() const = 0;
// more readable flag testing methods
bool IsSingleLine() const { return !HasFlag(wxTE_MULTILINE); }
bool IsMultiLine() const { return !IsSingleLine(); }
// If the return values from and to are the same, there is no selection.
virtual void GetSelection(long* from, long* to) const = 0;
virtual wxString GetStringSelection() const;
// operations
// ----------
// editing
virtual void Clear() = 0;
virtual void Replace(long from, long to, const wxString& value) = 0;
virtual void Remove(long from, long to) = 0;
// load/save the control's contents from/to a file
bool LoadFile(const wxString& file, int fileType = wxTEXT_TYPE_ANY) { return DoLoadFile(file, fileType); }
bool SaveFile(const wxString& file = wxEmptyString, int fileType = wxTEXT_TYPE_ANY);
// implementation for loading/saving
virtual bool DoLoadFile(const wxString& file, int fileType);
virtual bool DoSaveFile(const wxString& file, int fileType);
// sets/clears the dirty flag
virtual void MarkDirty() = 0;
virtual void DiscardEdits() = 0;
void SetModified(bool modified)
@@ -345,26 +309,21 @@ public:
DiscardEdits();
}
// set the max number of characters which may be entered in a single line
// text control
virtual void SetMaxLength(unsigned long WXUNUSED(len)) { }
// writing text inserts it at the current position, appending always
// inserts it at the end
virtual void WriteText(const wxString& text) = 0;
virtual void AppendText(const wxString& text) = 0;
// insert the character which would have resulted from this key event,
// return true if anything has been inserted
virtual bool EmulateKeyPress(const wxKeyEvent& event);
// styles handling
// ---------------
// text control under some platforms supports the text styles: these
// methods allow to apply the given text style to the given selection or to
// set/get the style which will be used for all appended text
virtual bool SetStyle(long start, long end, const wxTextAttr& style);
virtual bool GetStyle(long position, wxTextAttr& style);
virtual bool SetDefaultStyle(const wxTextAttr& style);
virtual const wxTextAttr& GetDefaultStyle() const;
virtual bool SetStyle(long start, long end, const wxTextAttr& style) = 0;
virtual bool GetStyle(long position, wxTextAttr& style) = 0;
virtual bool SetDefaultStyle(const wxTextAttr& style) = 0;
virtual const wxTextAttr& GetDefaultStyle() const { return m_defaultStyle; }
// coordinates translation
// -----------------------
// translate between the position (which is just an index in the text ctrl
// considering all its contents as a single strings) and (x, y) coordinates
@@ -383,31 +342,60 @@ public:
wxTextCoord *col,
wxTextCoord *row) const;
// Clipboard operations
virtual void Copy() = 0;
virtual void Cut() = 0;
virtual void Paste() = 0;
protected:
// implementation of loading/saving
virtual bool DoLoadFile(const wxString& file, int fileType) = 0;
virtual bool DoSaveFile(const wxString& file, int fileType) = 0;
virtual bool CanCopy() const;
virtual bool CanCut() const;
virtual bool CanPaste() const;
// Undo/redo
virtual void Undo() = 0;
virtual void Redo() = 0;
// the name of the last file loaded with LoadFile() which will be used by
// SaveFile() by default
wxString m_filename;
virtual bool CanUndo() const = 0;
virtual bool CanRedo() const = 0;
// the text style which will be used for any new text added to the control
wxTextAttr m_defaultStyle;
// Insertion point
virtual void SetInsertionPoint(long pos) = 0;
virtual void SetInsertionPointEnd() = 0;
virtual long GetInsertionPoint() const = 0;
virtual wxTextPos GetLastPosition() const = 0;
virtual void SetSelection(long from, long to) = 0;
virtual void SelectAll();
virtual void SetEditable(bool editable) = 0;
DECLARE_NO_COPY_CLASS(wxTextAreaBase)
};
// this class defines wxTextCtrl interface, wxTextCtrlBase actually implements
// too much things because it derives from wxTextEntry and not wxTextEntryBase
// and so any classes which "look like" wxTextCtrl (such as wxRichTextCtrl)
// but don't need the (native) implementation bits from wxTextEntry should
// actually derive from this one and not wxTextCtrlBase
class WXDLLIMPEXP_CORE wxTextCtrlIface : public wxTextAreaBase,
public wxTextEntryBase
{
public:
wxTextCtrlIface() { }
private:
DECLARE_NO_COPY_CLASS(wxTextCtrlIface)
};
// ----------------------------------------------------------------------------
// wxTextCtrl: a single or multiple line text zone where user can edit text
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxTextCtrlBase : public wxControl,
#if wxHAS_TEXT_WINDOW_STREAM
public wxSTD streambuf,
#endif
public wxTextAreaBase,
public wxTextEntry
{
public:
// creation
// --------
wxTextCtrlBase() { }
virtual ~wxTextCtrlBase() { }
// more readable flag testing methods
bool IsSingleLine() const { return !HasFlag(wxTE_MULTILINE); }
bool IsMultiLine() const { return !IsSingleLine(); }
// stream-like insertion operators: these are always available, whether we
// were, or not, compiled with streambuf support
@@ -418,37 +406,49 @@ public:
wxTextCtrl& operator<<(double d);
wxTextCtrl& operator<<(const wxChar c);
// insert the character which would have resulted from this key event,
// return true if anything has been inserted
virtual bool EmulateKeyPress(const wxKeyEvent& event);
// generate the wxEVT_COMMAND_TEXT_UPDATED event, like SetValue() does
void SendTextUpdatedEvent();
static void SendTextUpdatedEvent(wxWindow *win);
void SendTextUpdatedEvent() { SendTextUpdatedEvent(this); }
// do the window-specific processing after processing the update event
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event);
virtual bool ShouldInheritColours() const { return false; }
// work around the problem with having HitTest() both in wxControl and
// wxTextAreaBase base classes
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt, long *pos) const
{
return wxTextAreaBase::HitTest(pt, pos);
}
virtual wxTextCtrlHitTestResult HitTest(const wxPoint& pt,
wxTextCoord *col,
wxTextCoord *row) const
{
return wxTextAreaBase::HitTest(pt, col, row);
}
// we provide stubs for these functions as not all platforms have styles
// support, but we really should leave them pure virtual here
virtual bool SetStyle(long start, long end, const wxTextAttr& style);
virtual bool GetStyle(long position, wxTextAttr& style);
virtual bool SetDefaultStyle(const wxTextAttr& style);
protected:
// override streambuf method
#if wxHAS_TEXT_WINDOW_STREAM
int overflow(int i);
#endif // wxHAS_TEXT_WINDOW_STREAM
// flags for DoSetValue(): common part of SetValue() and ChangeValue() and
// also used to implement WriteText() in wxMSW
enum
{
SetValue_SendEvent = 1,
SetValue_SelectionOnly = 2
};
virtual bool DoLoadFile(const wxString& file, int fileType);
virtual bool DoSaveFile(const wxString& file, int fileType);
virtual void DoSetValue(const wxString& value, int flags = 0) = 0;
// the name of the last file loaded with LoadFile() which will be used by
// SaveFile() by default
wxString m_filename;
// the text style which will be used for any new text added to the control
wxTextAttr m_defaultStyle;
DECLARE_NO_COPY_CLASS(wxTextCtrlBase)
DECLARE_ABSTRACT_CLASS(wxTextCtrlBase)