X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dbaf49a996b4f8496a07f860297f3dca4a1817fd..6cab632f3251ae1117d24544813f47c6597a3b34:/include/wx/combo.h diff --git a/include/wx/combo.h b/include/wx/combo.h index db19acef5b..6a190e524a 100644 --- a/include/wx/combo.h +++ b/include/wx/combo.h @@ -2,7 +2,7 @@ // 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 @@ -46,8 +46,8 @@ #include "wx/renderer.h" // this is needed for wxCONTROL_XXX flags #include "wx/bitmap.h" // wxBitmap used by-value -class WXDLLIMPEXP_CORE wxTextCtrl; -class WXDLLEXPORT wxComboPopup; +class WXDLLIMPEXP_FWD_CORE wxTextCtrl; +class WXDLLIMPEXP_FWD_CORE wxComboPopup; // // New window styles for wxComboCtrlBase @@ -58,12 +58,8 @@ enum // 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 }; @@ -79,22 +75,38 @@ enum 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 succesfully 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. }; @@ -107,7 +119,8 @@ struct wxComboCtrlFeatures 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 @@ -126,9 +139,10 @@ struct wxComboCtrlFeatures }; -class WXDLLEXPORT wxComboCtrlBase : public wxControl +class WXDLLIMPEXP_CORE wxComboCtrlBase : public wxControl { friend class wxComboPopup; + friend class wxComboPopupEvtHandler; public: // ctors and such wxComboCtrlBase() : wxControl() { Init(); } @@ -146,20 +160,27 @@ public: // show/hide popup window 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() const { return m_popupInterface; } + wxComboPopup* GetPopupControl() + { + EnsurePopupControl(); + return m_popupInterface; + } // get the popup window containing the popup control wxWindow *GetPopupWindow() const { return m_winPopup; } @@ -175,6 +196,10 @@ public: virtual bool Enable(bool enable = true); virtual bool Show(bool show = true); virtual bool SetFont(const wxFont& font); +#if wxUSE_VALIDATORS + virtual void SetValidator(const wxValidator &validator); + virtual wxValidator *GetValidator(); +#endif // wxUSE_VALIDATORS // wxTextCtrl methods - for readonly combo they should return // without errors. @@ -196,6 +221,10 @@ public: // (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) + void SetValueWithEvent(const wxString& value, bool withEvent = true); + // // Popup customization methods // @@ -245,17 +274,19 @@ public: } // 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. @@ -274,25 +305,64 @@ public: 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_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 ) { - return m_absIndent; + 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 @@ -300,14 +370,14 @@ public: // 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) ); } @@ -317,6 +387,25 @@ public: const wxBitmap& GetBitmapHover() const { return m_bmpHover; } const wxBitmap& GetBitmapDisabled() const { return m_bmpDisabled; } + // Hint functions mirrored from TextEntryBase + virtual bool SetHint(const wxString& hint); + virtual wxString GetHint() const; + + // Margins functions mirrored from TextEntryBase + // (wxComboCtrl does not inherit from wxTextEntry, but may embed a + // wxTextCtrl, so we need these). Also note that these functions + // have replaced SetTextIndent() in wxWidgets 2.9.1 and later. + bool SetMargins(const wxPoint& pt) + { return DoSetMargins(pt); } + bool SetMargins(wxCoord left, wxCoord top = -1) + { return DoSetMargins(wxPoint(left, top)); } + wxPoint GetMargins() const + { return DoGetMargins(); } + + // 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; } @@ -324,10 +413,40 @@ public: bool IsCreated() const { return m_iFlags & wxCC_IFLAG_CREATED ? true : false; } // 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; } 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 // @@ -335,7 +454,8 @@ protected: // 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 @@ -346,18 +466,24 @@ protected: void CreateTextCtrl( int extraStyle, const wxValidator& validator ); // 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 ); // @@ -371,10 +497,19 @@ protected: // Creates popup window, calls interface->Create(), etc void CreatePopup(); + // Destroy popup window and all related constructs + void DestroyPopup(); + // override the base class virtuals involved in geometry calculations - virtual void DoMoveWindow(int x, int y, int width, int height); virtual wxSize DoGetBestSize() const; + // also set the embedded wxTextCtrl colours + virtual bool SetForegroundColour(const wxColour& colour); + virtual bool SetBackgroundColour(const wxColour& colour); + + // 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(); @@ -385,13 +520,16 @@ protected: // Standard textctrl positioning routine. Just give it platform-dependant // textctrl coordinate adjustment. - void PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust ); + virtual void PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust ); // 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; } @@ -399,16 +537,37 @@ protected: // 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; + // 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; @@ -422,20 +581,20 @@ protected: // 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 // by clicking on the combo control (needed because of inconsistent @@ -457,8 +616,8 @@ protected: // 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; @@ -494,18 +653,26 @@ protected: // 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; 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) @@ -524,14 +691,16 @@ enum 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; } @@ -539,7 +708,7 @@ public: // 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(); @@ -567,10 +736,14 @@ public: // 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(); @@ -601,6 +774,9 @@ public: 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,