X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e4e11217be476f2719cf45f012e5abcbd883c963..3115bfa8a41372ecfd505f22c6a0eb9abc2bc96b:/include/wx/combo.h diff --git a/include/wx/combo.h b/include/wx/combo.h index 213409a74b..7d3af18656 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 }; @@ -79,6 +75,12 @@ 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, @@ -87,14 +89,23 @@ enum // Internal use: SetTextIndent has been called wxCC_IFLAG_INDENT_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). + 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. }; @@ -152,11 +163,14 @@ public: 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() @@ -179,6 +193,10 @@ 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. @@ -200,6 +218,10 @@ 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 // @@ -249,17 +271,19 @@ 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. @@ -292,11 +316,51 @@ public: return m_absIndent; } + // 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 ) + { + 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 @@ -304,14 +368,14 @@ 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) ); } @@ -330,6 +394,26 @@ public: // common code to be called on popup hide/dismiss void OnPopupDismiss(); + // 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: // @@ -350,18 +434,24 @@ 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. + 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 ); // @@ -375,10 +465,15 @@ 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; + // 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(); @@ -389,13 +484,15 @@ 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); // Set customization flags (directs how wxComboCtrlBase helpers behave) void Customize( wxUint32 flags ) { m_iFlags |= flags; } @@ -403,13 +500,27 @@ 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; - // This is used when m_text is hidden (readonly). wxString m_valueString; @@ -426,10 +537,7 @@ 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 @@ -438,8 +546,11 @@ protected: // this is for the control in popup wxEvtHandler* m_popupExtraHandler; - // needed for "instant" double-click handling - wxLongLong m_timeLastMouseUp; + // this is for the popup window + wxEvtHandler* m_popupWinEvtHandler; + + // 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 @@ -502,14 +613,19 @@ protected: bool m_blankButtonBg; // is the popup window currenty shown? - bool m_isPopupShown; - - // Set to 1 on mouse down, 0 on mouse up. Used to eliminate down-less mouse ups. - bool m_downReceived; + wxByte m_popupWinState; + // 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) @@ -543,7 +659,7 @@ 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();