// Name: wx/combo.h
// Purpose: wxComboCtrl declaration
// Author: Jaakko Salli
-// Modified by:
+// Modified by:
// Created: Apr-30-2006
-// RCS-ID: $Id$
// Copyright: (c) Jaakko Salli
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "wx/control.h"
#include "wx/renderer.h" // this is needed for wxCONTROL_XXX flags
#include "wx/bitmap.h" // wxBitmap used by-value
+#include "wx/textentry.h"
-class WXDLLIMPEXP_CORE wxTextCtrl;
-class WXDLLEXPORT wxComboPopup;
+class WXDLLIMPEXP_FWD_CORE wxTextCtrl;
+class WXDLLIMPEXP_FWD_CORE wxComboPopup;
//
// New window styles for wxComboCtrlBase
// In wxOwnerDrawnComboBox, for instance, it cycles item.
wxCC_SPECIAL_DCLICK = 0x0100,
- // Use keyboard behaviour alternate to platform default:
- // Up an down keys will show popup instead of cycling value.
- wxCC_ALT_KEYS = 0x0200,
-
// Dropbutton acts like standard push button.
- wxCC_STD_BUTTON = 0x0400
+ wxCC_STD_BUTTON = 0x0200
};
wxCC_POPUP_ON_MOUSE_UP = 0x0002,
// All text is not automatically selected on click
wxCC_NO_TEXT_AUTO_SELECT = 0x0004,
+ // Drop-button stays down as long as popup is displayed.
+ wxCC_BUTTON_STAYS_DOWN = 0x0008,
+ // Drop-button covers the entire control.
+ wxCC_FULL_BUTTON = 0x0010,
+ // Drop-button goes over the custom-border (used under WinVista).
+ wxCC_BUTTON_COVERS_BORDER = 0x0020,
// Internal use: signals creation is complete
wxCC_IFLAG_CREATED = 0x0100,
// Internal use: really put button outside
wxCC_IFLAG_BUTTON_OUTSIDE = 0x0200,
- // Internal use: SetTextIndent has been called
- wxCC_IFLAG_INDENT_SET = 0x0400,
+ // Internal use: SetMargins has been successfully called
+ wxCC_IFLAG_LEFT_MARGIN_SET = 0x0400,
// Internal use: Set wxTAB_TRAVERSAL to parent when popup is dismissed
- wxCC_IFLAG_PARENT_TAB_TRAVERSAL = 0x0800
+ wxCC_IFLAG_PARENT_TAB_TRAVERSAL = 0x0800,
+ // Internal use: Secondary popup window type should be used (if available).
+ wxCC_IFLAG_USE_ALT_POPUP = 0x1000,
+ // Internal use: Skip popup animation.
+ wxCC_IFLAG_DISABLE_POPUP_ANIM = 0x2000,
+ // Internal use: Drop-button is a bitmap button or has non-default size
+ // (but can still be on either side of the control), regardless whether
+ // specified by the platform or the application.
+ wxCC_IFLAG_HAS_NONSTANDARD_BUTTON = 0x4000
};
// Flags used by PreprocessMouseEvent and HandleButtonMouseEvent
enum
{
- wxCC_MF_ON_BUTTON = 0x0001 // cursor is on dropbutton area
+ wxCC_MF_ON_BUTTON = 0x0001, // cursor is on dropbutton area
+ wxCC_MF_ON_CLICK_AREA = 0x0002 // cursor is on dropbutton or other area
+ // that can be clicked to show the popup.
};
BitmapButton = 0x0002, // Button may be replaced with bitmap
ButtonSpacing = 0x0004, // Button can have spacing from the edge
// of the control
- TextIndent = 0x0008, // SetTextIndent can be used
+ TextIndent = 0x0008, // SetMargins can be used to control
+ // left margin.
PaintControl = 0x0010, // Combo control itself can be custom painted
PaintWritable = 0x0020, // A variable-width area in front of writable
// combo control's textctrl can be custom
};
-class WXDLLEXPORT wxComboCtrlBase : public wxControl
+class WXDLLIMPEXP_CORE wxComboCtrlBase : public wxControl,
+ public wxTextEntry
{
friend class wxComboPopup;
+ friend class wxComboPopupEvtHandler;
public:
// ctors and such
- wxComboCtrlBase() : wxControl() { Init(); }
+ wxComboCtrlBase() : wxControl(), wxTextEntry() { Init(); }
bool Create(wxWindow *parent,
wxWindowID id,
virtual ~wxComboCtrlBase();
- // show/hide popup window
+ // Show/hide popup window (wxComboBox-compatible methods)
+ virtual void Popup();
+ virtual void Dismiss()
+ {
+ HidePopup(true);
+ }
+
+ // Show/hide popup window.
+ // TODO: Maybe deprecate in favor of Popup()/Dismiss().
+ // However, these functions are still called internally
+ // so it is not straightforward.
virtual void ShowPopup();
- virtual void HidePopup();
+ virtual void HidePopup(bool generateEvent=false);
// Override for totally custom combo action
virtual void OnButtonClick();
// return true if the popup is currently shown
- bool IsPopupShown() const { return m_isPopupShown; }
+ bool IsPopupShown() const { return m_popupWinState == Visible; }
// set interface class instance derived from wxComboPopup
// NULL popup can be used to indicate default in a derived class
- virtual void SetPopupControl( wxComboPopup* popup );
+ void SetPopupControl( wxComboPopup* popup )
+ {
+ DoSetPopupControl(popup);
+ }
// get interface class instance derived from wxComboPopup
wxComboPopup* GetPopupControl()
virtual bool Show(bool show = true);
virtual bool SetFont(const wxFont& font);
- // wxTextCtrl methods - for readonly combo they should return
- // without errors.
- virtual wxString GetValue() const;
- virtual void SetValue(const wxString& value);
+ //
+ // wxTextEntry methods
+ //
+ // NB: We basically need to override all of them because there is
+ // no guarantee how platform-specific wxTextEntry is implemented.
+ //
+ virtual void SetValue(const wxString& value)
+ { wxTextEntryBase::SetValue(value); }
+ virtual void ChangeValue(const wxString& value)
+ { wxTextEntryBase::ChangeValue(value); }
+
+ virtual void WriteText(const wxString& text);
+ virtual void AppendText(const wxString& text)
+ { wxTextEntryBase::AppendText(text); }
+
+ virtual wxString GetValue() const
+ { return wxTextEntryBase::GetValue(); }
+
+ virtual wxString GetRange(long from, long to) const
+ { return wxTextEntryBase::GetRange(from, to); }
+
+ // Replace() and DoSetValue() need to be fully re-implemented since
+ // EventSuppressor utility class does not work with the way
+ // wxComboCtrl is implemented.
+ virtual void Replace(long from, long to, const wxString& value);
+
+ virtual void Remove(long from, long to);
+
virtual void Copy();
virtual void Cut();
virtual void Paste();
+
+ virtual void Undo();
+ virtual void Redo();
+ virtual bool CanUndo() const;
+ virtual bool CanRedo() const;
+
virtual void SetInsertionPoint(long pos);
- virtual void SetInsertionPointEnd();
virtual long GetInsertionPoint() const;
virtual long GetLastPosition() const;
- virtual void Replace(long from, long to, const wxString& value);
- virtual void Remove(long from, long to);
+
virtual void SetSelection(long from, long to);
- virtual void Undo();
+ virtual void GetSelection(long *from, long *to) const;
+
+ virtual bool IsEditable() const;
+ virtual void SetEditable(bool editable);
+
+ virtual bool SetHint(const wxString& hint);
+ virtual wxString GetHint() const;
// This method sets the text without affecting list selection
// (ie. wxComboPopup::SetStringValue doesn't get called).
void SetText(const wxString& value);
+ // This method sets value and also optionally sends EVT_TEXT
+ // (needed by combo popups)
+ wxDEPRECATED( void SetValueWithEvent(const wxString& value,
+ bool withEvent = true) );
+
+ // Changes value of the control as if user had done it by selecting an
+ // item from a combo box drop-down list. Needs to be public so that
+ // derived popup classes can call it.
+ void SetValueByUser(const wxString& value);
+
//
// Popup customization methods
//
}
// Set position of dropdown button.
- // width: 0 > for specific custom width, negative to adjust to smaller than default
- // height: 0 > for specific custom height, negative to adjust to smaller than default
+ // width: button width. <= 0 for default.
+ // height: button height. <= 0 for default.
// side: wxLEFT or wxRIGHT, indicates on which side the button will be placed.
// spacingX: empty space on sides of the button. Default is 0.
// Remarks:
// There is no spacingY - the button will be centered vertically.
- void SetButtonPosition( int width = 0,
- int height = 0,
+ void SetButtonPosition( int width = -1,
+ int height = -1,
int side = wxRIGHT,
int spacingX = 0 );
+ // Returns current size of the dropdown button.
+ wxSize GetButtonSize();
//
// Sets dropbutton to be drawn with custom bitmaps.
const wxBitmap& bmpHover = wxNullBitmap,
const wxBitmap& bmpDisabled = wxNullBitmap );
+#if WXWIN_COMPATIBILITY_2_8
//
// This will set the space in pixels between left edge of the control and the
// text, regardless whether control is read-only (ie. no wxTextCtrl) or not.
// Platform-specific default can be set with value-1.
// Remarks
// * This method may do nothing on some native implementations.
- void SetTextIndent( int indent );
+ wxDEPRECATED( void SetTextIndent( int indent ) );
// Returns actual indentation in pixels.
- wxCoord GetTextIndent() const
+ wxDEPRECATED( wxCoord GetTextIndent() const );
+#endif
+
+ // Returns area covered by the text field.
+ const wxRect& GetTextRect() const
{
- return m_absIndent;
+ return m_tcArea;
+ }
+
+ // Call with enable as true to use a type of popup window that guarantees ability
+ // to focus the popup control, and normal function of common native controls.
+ // This alternative popup window is usually a wxDialog, and as such it's parent
+ // frame will appear as if the focus has been lost from it.
+ void UseAltPopupWindow( bool enable = true )
+ {
+ wxASSERT_MSG( !m_winPopup,
+ wxT("call this only before SetPopupControl") );
+
+ if ( enable )
+ m_iFlags |= wxCC_IFLAG_USE_ALT_POPUP;
+ else
+ m_iFlags &= ~wxCC_IFLAG_USE_ALT_POPUP;
+ }
+
+ // Call with false to disable popup animation, if any.
+ void EnablePopupAnimation( bool enable = true )
+ {
+ if ( enable )
+ m_iFlags &= ~wxCC_IFLAG_DISABLE_POPUP_ANIM;
+ else
+ m_iFlags |= wxCC_IFLAG_DISABLE_POPUP_ANIM;
}
//
// Utilies needed by the popups or native implementations
//
- // Draws focus background (on combo control) in a way typical on platform.
+ // Returns true if given key combination should toggle the popup.
+ // NB: This is a separate from other keyboard handling because:
+ // 1) Replaceability.
+ // 2) Centralized code (otherwise it'd be split up between
+ // wxComboCtrl key handler and wxVListBoxComboPopup's
+ // key handler).
+ virtual bool IsKeyPopupToggle(const wxKeyEvent& event) const = 0;
+
+ // Prepare background of combo control or an item in a dropdown list
+ // in a way typical on platform. This includes painting the focus/disabled
+ // background and setting the clipping region.
// Unless you plan to paint your own focus indicator, you should always call this
// in your wxComboPopup::PaintComboControl implementation.
// In addition, it sets pen and text colour to what looks good and proper
// flags: wxRendererNative flags: wxCONTROL_ISSUBMENU: is drawing a list item instead of combo control
// wxCONTROL_SELECTED: list item is selected
// wxCONTROL_DISABLED: control/item is disabled
- virtual void DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags );
+ virtual void PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const;
// Returns true if focus indicator should be drawn in the control.
bool ShouldDrawFocus() const
{
const wxWindow* curFocus = FindFocus();
- return ( !m_isPopupShown &&
- (curFocus == this || (m_btn && curFocus == m_btn)) &&
+ return ( IsPopupWindowState(Hidden) &&
+ (curFocus == m_mainCtrlWnd || (m_btn && curFocus == m_btn)) &&
(m_windowStyle & wxCB_READONLY) );
}
const wxBitmap& GetBitmapHover() const { return m_bmpHover; }
const wxBitmap& GetBitmapDisabled() const { return m_bmpDisabled; }
+ // Set custom style flags for embedded wxTextCtrl. Usually must be used
+ // with two-step creation, before Create() call.
+ void SetTextCtrlStyle( int style );
+
// Return internal flags
wxUint32 GetInternalFlags() const { return m_iFlags; }
// Return true if Create has finished
bool IsCreated() const { return m_iFlags & wxCC_IFLAG_CREATED ? true : false; }
+ // Need to override to return text area background colour
+ wxColour GetBackgroundColour() const;
+
// common code to be called on popup hide/dismiss
- void OnPopupDismiss();
+ void OnPopupDismiss(bool generateEvent);
+
+ // PopupShown states
+ enum
+ {
+ Hidden = 0,
+ //Closing = 1,
+ Animating = 2,
+ Visible = 3
+ };
+
+ bool IsPopupWindowState( int state ) const { return (state == m_popupWinState) ? true : false; }
+
+ wxByte GetPopupWindowState() const { return m_popupWinState; }
+
+ // Set value returned by GetMainWindowOfCompositeControl
+ void SetCtrlMainWnd( wxWindow* wnd ) { m_mainCtrlWnd = wnd; }
+
+ // This is public so we can access it from wxComboCtrlTextCtrl
+ virtual wxWindow *GetMainWindowOfCompositeControl()
+ { return m_mainCtrlWnd; }
+
+ // also set the embedded wxTextCtrl colours
+ virtual bool SetForegroundColour(const wxColour& colour);
+ virtual bool SetBackgroundColour(const wxColour& colour);
protected:
+ // Returns true if hint text should be drawn in the control
+ bool ShouldUseHintText(int flags = 0) const
+ {
+ return ( !m_text &&
+ !(flags & wxCONTROL_ISSUBMENU) &&
+ !m_valueString.length() &&
+ m_hintText.length() &&
+ !ShouldDrawFocus() );
+ }
+
//
// Override these for customization purposes
//
// called from wxSizeEvent handler
virtual void OnResize() = 0;
- // Return native text identation (for pure text, not textctrl)
+ // Return native text identation
+ // (i.e. text margin, for pure text, not textctrl)
virtual wxCoord GetNativeTextIndent() const;
// Called in syscolourchanged handler and base create
// Creates wxTextCtrl.
// extraStyle: Extra style parameters
- void CreateTextCtrl( int extraStyle, const wxValidator& validator );
+ void CreateTextCtrl( int extraStyle );
+
+ // Called when text was changed programmatically
+ // (e.g. from WriteText())
+ void OnSetValue(const wxString& value);
// Installs standard input handler to combo (and optionally to the textctrl)
- void InstallInputHandlers( bool alsoTextCtrl = true );
+ void InstallInputHandlers();
+
+ // Flags for DrawButton
+ enum
+ {
+ Button_PaintBackground = 0x0001, // Paints control background below the button
+ Button_BitmapOnly = 0x0002 // Only paints the bitmap
+ };
// Draws dropbutton. Using wxRenderer or bitmaps, as appropriate.
- void DrawButton( wxDC& dc, const wxRect& rect, bool paintBg = true );
+ // Flags are defined above.
+ virtual void DrawButton( wxDC& dc, const wxRect& rect, int flags = Button_PaintBackground );
// Call if cursor is on button area or mouse is captured for the button.
//bool HandleButtonMouseEvent( wxMouseEvent& event, bool isInside );
bool HandleButtonMouseEvent( wxMouseEvent& event, int flags );
- // Conversion to double-clicks and some basic filtering
// returns true if event was consumed or filtered (event type is also set to 0 in this case)
- //bool PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea );
bool PreprocessMouseEvent( wxMouseEvent& event, int flags );
//
void DestroyPopup();
// override the base class virtuals involved in geometry calculations
- virtual void DoMoveWindow(int x, int y, int width, int height);
+ // The common version only sets a default width, so the derived classes
+ // should override it and set the height and change the width as needed.
virtual wxSize DoGetBestSize() const;
+ virtual wxSize DoGetSizeFromTextSize(int xlen, int ylen = -1) const;
+
+ // NULL popup can be used to indicate default in a derived class
+ virtual void DoSetPopupControl(wxComboPopup* popup);
// ensures there is atleast the default popup
void EnsurePopupControl();
// Standard textctrl positioning routine. Just give it platform-dependant
// textctrl coordinate adjustment.
- void PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust );
+ virtual void PositionTextCtrl( int textCtrlXAdjust = 0,
+ int textCtrlYAdjust = 0);
// event handlers
void OnSizeEvent( wxSizeEvent& event );
void OnFocusEvent(wxFocusEvent& event);
+ void OnIdleEvent(wxIdleEvent& event);
void OnTextCtrlEvent(wxCommandEvent& event);
void OnSysColourChanged(wxSysColourChangedEvent& event);
+ void OnKeyEvent(wxKeyEvent& event);
+ void OnCharEvent(wxKeyEvent& event);
// Set customization flags (directs how wxComboCtrlBase helpers behave)
void Customize( wxUint32 flags ) { m_iFlags |= flags; }
// Dispatches size event and refreshes
void RecalcAndRefresh();
+ // Flags for DoShowPopup and AnimateShow
+ enum
+ {
+ ShowBelow = 0x0000, // Showing popup below the control
+ ShowAbove = 0x0001, // Showing popup above the control
+ CanDeferShow = 0x0002 // Can only return true from AnimateShow if this is set
+ };
+
+ // Shows and positions the popup.
+ virtual void DoShowPopup( const wxRect& rect, int flags );
+
+ // Implement in derived class to create a drop-down animation.
+ // Return true if finished immediately. Otherwise popup is only
+ // shown when the derived class call DoShowPopup.
+ // Flags are same as for DoShowPopup.
+ virtual bool AnimateShow( const wxRect& rect, int flags );
+
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip( wxToolTip *tip );
#endif
- // Used by OnPaints of derived classes
- wxBitmap& GetBufferBitmap(const wxSize& sz) const;
+ // protected wxTextEntry methods
+ virtual void DoSetValue(const wxString& value, int flags);
+ virtual wxString DoGetValue() const;
+ virtual wxWindow *GetEditableWindow() { return this; }
+
+ // margins functions
+ virtual bool DoSetMargins(const wxPoint& pt);
+ virtual wxPoint DoGetMargins() const;
// This is used when m_text is hidden (readonly).
wxString m_valueString;
+ // This is used when control is unfocused and m_valueString is empty
+ wxString m_hintText;
+
// the text control and button we show all the time
wxTextCtrl* m_text;
wxWindow* m_btn;
// popup interface
wxComboPopup* m_popupInterface;
- // this is for this control itself
- wxEvtHandler* m_extraEvtHandler;
-
- // this is for text
+ // this is input etc. handler for the text control
wxEvtHandler* m_textEvtHandler;
// this is for the top level window
wxEvtHandler* m_toplevEvtHandler;
// this is for the control in popup
- wxEvtHandler* m_popupExtraHandler;
+ wxEvtHandler* m_popupEvtHandler;
+
+ // this is for the popup window
+ wxEvtHandler* m_popupWinEvtHandler;
- // needed for "instant" double-click handling
- wxLongLong m_timeLastMouseUp;
+ // main (ie. topmost) window of a composite control (default = this)
+ wxWindow* m_mainCtrlWnd;
- // used to prevent immediate re-popupping incase closed popup
+ // used to prevent immediate re-popupping in case closed popup
// by clicking on the combo control (needed because of inconsistent
// transient implementation across platforms).
wxLongLong m_timeCanAcceptClick;
// selection indicator.
wxCoord m_widthCustomPaint;
- // absolute text indentation, in pixels
- wxCoord m_absIndent;
+ // left margin, in pixels
+ wxCoord m_marginLeft;
// side on which the popup is aligned
int m_anchorSide;
wxRect m_tcArea;
wxRect m_btnArea;
+ // Colour of the text area, in case m_text is NULL
+ wxColour m_tcBgCol;
+
// current button state (uses renderer flags)
int m_btnState;
// platform-dependant customization and other flags
wxUint32 m_iFlags;
+ // custom style for m_text
+ int m_textCtrlStyle;
+
// draw blank button background under bitmap?
bool m_blankButtonBg;
// is the popup window currenty shown?
- bool m_isPopupShown;
+ wxByte m_popupWinState;
- // Set to 1 on mouse down, 0 on mouse up. Used to eliminate down-less mouse ups.
- bool m_downReceived;
+ // should the focus be reset to the textctrl in idle time?
+ bool m_resetFocus;
+
+ // is the text-area background colour overridden?
+ bool m_hasTcBgCol;
private:
void Init();
+ wxByte m_ignoreEvtText; // Number of next EVT_TEXTs to ignore
+
+ // Is popup window wxPopupTransientWindow, wxPopupWindow or wxDialog?
+ wxByte m_popupWinType;
+
DECLARE_EVENT_TABLE()
DECLARE_ABSTRACT_CLASS(wxComboCtrlBase)
wxCP_IFLAG_CREATED = 0x0001 // Set by wxComboCtrlBase after Create is called
};
+class WXDLLIMPEXP_FWD_CORE wxComboCtrl;
-class WXDLLEXPORT wxComboPopup
+
+class WXDLLIMPEXP_CORE wxComboPopup
{
friend class wxComboCtrlBase;
public:
wxComboPopup()
{
- m_combo = (wxComboCtrlBase*) NULL;
+ m_combo = NULL;
m_iFlags = 0;
}
// variable has been initialized before the call.
// NOTE: It is not in constructor so the derived class doesn't need to redefine
// a default constructor of its own.
- virtual void Init() { };
+ virtual void Init() { }
virtual ~wxComboPopup();
// Return true for success.
virtual bool Create(wxWindow* parent) = 0;
+ // Calls Destroy() for the popup control (i.e. one returned by
+ // GetControl()) and makes sure that 'this' is deleted at the end.
+ // Default implementation works for both cases where popup control
+ // class is multiple inherited or created on heap as a separate
+ // object.
+ virtual void DestroyPopup();
+
// We must have an associated control which is subclassed by the combobox.
virtual wxWindow *GetControl() = 0;
// Gets displayed string representation of the value.
virtual wxString GetStringValue() const = 0;
+ // Called to check if the popup - when an item container - actually
+ // has matching item. Case-sensitivity checking etc. is up to the
+ // implementation. If the found item matched the string, but is
+ // different, it should be written back to pItem. Default implementation
+ // always return true and does not alter trueItem.
+ virtual bool FindItem(const wxString& item, wxString* trueItem=NULL);
+
// This is called to custom paint in the combo control itself (ie. not the popup).
// Default implementation draws value as string.
virtual void PaintComboControl( wxDC& dc, const wxRect& rect );
- // Receives key events from the parent wxComboCtrl.
+ // Receives wxEVT_KEY_DOWN key events from the parent wxComboCtrl.
// Events not handled should be skipped, as usual.
virtual void OnComboKeyEvent( wxKeyEvent& event );
+ // Receives wxEVT_CHAR key events from the parent wxComboCtrl.
+ // Events not handled should be skipped, as usual.
+ virtual void OnComboCharEvent( wxKeyEvent& event );
+
// Implement if you need to support special action when user
// double-clicks on the parent wxComboCtrl.
virtual void OnComboDoubleClick();
return (m_iFlags & wxCP_IFLAG_CREATED) ? true : false;
}
+ // Returns pointer to the associated parent wxComboCtrl.
+ wxComboCtrl* GetComboCtrl() const;
+
// Default PaintComboControl behaviour
static void DefaultPaintComboControl( wxComboCtrlBase* combo,
wxDC& dc,
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