X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/21d6b09b108dd8f4710cf260ee9f344b6bbad704..438959cca892a7651634cc3a7aad4819ac49b23c:/include/wx/combo.h diff --git a/include/wx/combo.h b/include/wx/combo.h index 36d9a720e2..76bf25f532 100644 --- a/include/wx/combo.h +++ b/include/wx/combo.h @@ -45,9 +45,10 @@ #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 @@ -75,22 +76,38 @@ 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 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. }; @@ -103,7 +120,8 @@ 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 @@ -122,12 +140,14 @@ struct wxComboCtrlFeatures }; -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, @@ -140,15 +160,25 @@ public: 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 @@ -179,26 +209,70 @@ public: 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 // @@ -279,25 +353,64 @@ 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 ) { - return m_absIndent; + 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 @@ -305,14 +418,14 @@ 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 ) const; + 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) ); } @@ -322,17 +435,54 @@ public: 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; } 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 // @@ -340,7 +490,8 @@ 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 @@ -348,21 +499,31 @@ protected: // 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 ); // @@ -380,7 +541,14 @@ protected: void DestroyPopup(); // override the base class virtuals involved in geometry calculations + // 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; + + // 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); @@ -395,13 +563,17 @@ protected: // 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; } @@ -409,16 +581,42 @@ 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; + // 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; @@ -432,22 +630,22 @@ 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 + // 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; @@ -467,8 +665,8 @@ 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; @@ -480,6 +678,9 @@ protected: 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; @@ -504,18 +705,29 @@ 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; + + // 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) @@ -534,14 +746,16 @@ 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; } @@ -549,7 +763,7 @@ 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(); @@ -557,6 +771,13 @@ public: // 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; @@ -573,14 +794,25 @@ public: // 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(); @@ -611,6 +843,9 @@ 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,