X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12f5e1e78fe906050ff2fee9529476db332633f0..e733c4ce1e24cf7e4b0b0d8362fc59aaa7a7641c:/interface/wx/combo.h diff --git a/interface/wx/combo.h b/interface/wx/combo.h index f6968fb9a1..c26410186b 100644 --- a/interface/wx/combo.h +++ b/interface/wx/combo.h @@ -2,10 +2,23 @@ // Name: combo.h // Purpose: interface of wxComboCtrl and wxComboPopup // Author: wxWidgets team -// RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// +// New window styles for wxComboCtrlBase +// +enum +{ + // Double-clicking a read-only combo triggers call to popup's OnComboPopup. + // In wxOwnerDrawnComboBox, for instance, it cycles item. + wxCC_SPECIAL_DCLICK = 0x0100, + + // Dropbutton acts like standard push button. + wxCC_STD_BUTTON = 0x0200 +}; + + /** @class wxComboPopup @@ -34,13 +47,44 @@ public: @return @true if the call succeeded, @false otherwise. */ - virtual bool Create(wxWindow* parent); + virtual bool Create(wxWindow* parent) = 0; + + /** + You only need to implement this member function if you create + your popup class in non-standard way. The default implementation can + handle both multiple-inherited popup control (as seen in wxComboCtrl + samples) and one allocated separately in heap. + + If you do completely re-implement this function, make sure it calls + Destroy() for the popup control and also deletes @a this object + (usually as the last thing). + */ + virtual void DestroyPopup(); /** Utility function that hides the popup. */ void Dismiss(); + /** + Implement to customize matching of value string to an item container + entry. + + @param item + String entered, usually by user or from SetValue() call. + + @param trueItem + When item matches an entry, but the entry's string representation + is not exactly the same (case mismatch, for example), then the + true item string should be written back to here, if it is not + a NULL pointer. + + @remarks + Default implementation always return true and does not alter + trueItem. + */ + virtual bool FindItem(const wxString& item, wxString* trueItem=NULL); + /** The derived class may implement this to return adjusted size for the popup control, according to the variables given. @@ -49,24 +93,29 @@ public: Preferred minimum width. @param prefHeight Preferred height. May be -1 to indicate no preference. - @param maxWidth + @param maxHeight Max height for window, as limited by screen size. @remarks This function is called each time popup is about to be shown. */ virtual wxSize GetAdjustedSize(int minWidth, int prefHeight, int maxHeight); + /** + Returns pointer to the associated parent wxComboCtrl. + */ + wxComboCtrl* GetComboCtrl() const; + /** The derived class must implement this to return pointer to the associated control created in Create(). */ - virtual wxWindow* GetControl(); + virtual wxWindow* GetControl() = 0; /** The derived class must implement this to return string representation of the value. */ - virtual wxString GetStringValue() const; + virtual wxString GetStringValue() const = 0; /** The derived class must implement this to initialize its internal @@ -81,7 +130,7 @@ public: Useful in conjunction with LazyCreate(). */ bool IsCreated() const; - + /** The derived class may implement this to return @true if it wants to delay call to Create() until the popup is shown for the first time. It @@ -131,11 +180,12 @@ public: */ virtual void SetStringValue(const wxString& value); +protected: /** - Parent wxComboCtrl. This is parameter has been prepared before Init() - is called. + Parent wxComboCtrl. This member variable is prepared automatically + before Init() is called. */ - wxComboCtrl m_combo; + wxComboCtrl* m_combo; }; @@ -153,7 +203,7 @@ struct wxComboCtrlFeatures BitmapButton = 0x0002, ///< Button may be replaced with bitmap. ButtonSpacing = 0x0004, ///< Button can have spacing from the edge ///< of the control. - TextIndent = 0x0008, ///< wxComboCtrl::SetTextIndent() can be used. + TextIndent = 0x0008, ///< wxComboCtrl::SetMargins() can be used. 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 @@ -248,13 +298,13 @@ struct wxComboCtrlFeatures int m_value; // current item index private: - DECLARE_EVENT_TABLE() + wxDECLARE_EVENT_TABLE(); }; - BEGIN_EVENT_TABLE(wxListViewComboPopup, wxListView) + wxBEGIN_EVENT_TABLE(wxListViewComboPopup, wxListView) EVT_MOTION(wxListViewComboPopup::OnMouseMove) EVT_LEFT_UP(wxListViewComboPopup::OnMouseClick) - END_EVENT_TABLE() + wxEND_EVENT_TABLE() @endcode Here's how you would create and populate it in a dialog constructor: @@ -264,6 +314,7 @@ struct wxComboCtrlFeatures wxListViewComboPopup* popupCtrl = new wxListViewComboPopup(); + // It is important to call SetPopupControl() as soon as possible comboCtrl->SetPopupControl(popupCtrl); // Populate using wxListView methods @@ -278,7 +329,7 @@ struct wxComboCtrlFeatures @style{wxCB_SORT} Sorts the entries in the list alphabetically. @style{wxTE_PROCESS_ENTER} - The control will generate the event wxEVT_COMMAND_TEXT_ENTER + The control will generate the event @c wxEVT_TEXT_ENTER (otherwise pressing Enter key is either processed internally by the control or used for navigation between dialog controls). Windows only. @@ -291,22 +342,30 @@ struct wxComboCtrlFeatures Drop button will behave more like a standard push button. @endStyleTable - @beginEventTable{wxCommandEvent} + @beginEventEmissionTable{wxCommandEvent} @event{EVT_TEXT(id, func)} - Process a wxEVT_COMMAND_TEXT_UPDATED event, when the text changes. + Process a @c wxEVT_TEXT event, when the text changes. @event{EVT_TEXT_ENTER(id, func)} - Process a wxEVT_COMMAND_TEXT_ENTER event, when RETURN is pressed in + Process a @c wxEVT_TEXT_ENTER event, when RETURN is pressed in the combo control. + @event{EVT_COMBOBOX_DROPDOWN(id, func)} + Process a @c wxEVT_COMBOBOX_DROPDOWN event, which is generated + when the popup window is shown (drops down). + @event{EVT_COMBOBOX_CLOSEUP(id, func)} + Process a @c wxEVT_COMBOBOX_CLOSEUP event, which is generated + when the popup window of the combo control disappears (closes up). + You should avoid adding or deleting items in this event. @endEventTable - @library{wxbase} + @library{wxcore} @category{ctrl} - + @appearance{comboctrl} @see wxComboBox, wxChoice, wxOwnerDrawnComboBox, wxComboPopup, wxCommandEvent */ -class wxComboCtrl : public wxControl +class wxComboCtrl : public wxControl, + public wxTextEntry { public: /** @@ -325,9 +384,10 @@ public: Initial selection string. An empty string indicates no selection. @param pos Window position. + If ::wxDefaultPosition is specified then a default position is chosen. @param size - Window size. If wxDefaultSize is specified then the window is sized - appropriately. + Window size. + If ::wxDefaultSize is specified then the window is sized appropriately. @param style Window style. See wxComboCtrl. @param validator @@ -337,32 +397,19 @@ public: @see Create(), wxValidator */ - wxComboCtrl(wxWindow* parent, wxWindowID id, - const wxString& value = "", + wxComboCtrl(wxWindow* parent, wxWindowID id = wxID_ANY, + const wxString& value = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "comboCtrl"); + const wxString& name = wxComboBoxNameStr); /** Destructor, destroying the combo control. */ virtual ~wxComboCtrl(); - /** - This member function is not normally called in application code. - Instead, it can be implemented in a derived class to create a custom - popup animation. - - The parameters are the same as those for DoShowPopup(). - - @return @true if animation finishes before the function returns, - @false otherwise. In the latter case you need to manually call - DoShowPopup() after the animation ends. - */ - virtual bool AnimateShow(const wxRect& rect, int flags); - /** Copies the selected text to the clipboard. */ @@ -373,13 +420,13 @@ public: should call or replace this function. See wxComboCtrl() for further details. */ - bool Create(wxWindow* parent, wxWindowID id, - const wxString& value = "", + bool Create(wxWindow* parent, wxWindowID id = wxID_ANY, + const wxString& value = wxEmptyString, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = 0, const wxValidator& validator = wxDefaultValidator, - const wxString& name = "comboCtrl"); + const wxString& name = wxComboBoxNameStr); /** Copies the selected text to the clipboard and removes the selection. @@ -387,36 +434,15 @@ public: virtual void Cut(); /** - This member function is not normally called in application code. - Instead, it can be implemented in a derived class to return default - wxComboPopup, incase @a popup is @NULL. + Dismisses the popup window. - @note If you have implemented OnButtonClick() to do something else than - show the popup, then DoSetPopupControl() must always set @a popup - to @NULL. - */ - void DoSetPopupControl(wxComboPopup* popup); + Notice that calling this function will generate a + @c wxEVT_COMBOBOX_CLOSEUP event. - /** - This member function is not normally called in application code. - Instead, it must be called in a derived class to make sure popup is - properly shown after a popup animation has finished (but only if - AnimateShow() did not finish the animation within its function scope). - - @param rect - Position to show the popup window at, in screen coordinates. - @param flags - Combination of any of the following: - @beginTable - @row2col{wxComboCtrl::ShowAbove, - Popup is shown above the control instead of below.} - @row2col{wxComboCtrl::CanDeferShow, - Showing the popup can be deferred to happen sometime after - ShowPopup() has finished. In this case, AnimateShow() must - return false.} - @endTable + @since 2.9.2 */ - virtual void DoShowPopup(const wxRect& rect, int flags); + virtual void Dismiss(); + /** Enables or disables popup animation, if any, depending on the value of @@ -424,13 +450,42 @@ public: */ void EnablePopupAnimation(bool enable = true); + + /** + Returns true if given key combination should toggle the popup. + */ + virtual bool IsKeyPopupToggle(const wxKeyEvent& event) const; + + + /** + 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 + against the background. + + 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 PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const; + + /** + Returns true if focus indicator should be drawn in the control. + */ + bool ShouldDrawFocus() const; + /** Returns disabled button bitmap that has been set with SetButtonBitmaps(). @return A reference to the disabled state bitmap. */ - const wxBitmap GetBitmapDisabled() const; + const wxBitmap& GetBitmapDisabled() const; /** Returns button mouse hover bitmap that has been set with @@ -438,7 +493,7 @@ public: @return A reference to the mouse hover state bitmap. */ - const wxBitmap GetBitmapHover() const; + const wxBitmap& GetBitmapHover() const; /** Returns default button bitmap that has been set with @@ -446,7 +501,7 @@ public: @return A reference to the normal state bitmap. */ - const wxBitmap GetBitmapNormal() const; + const wxBitmap& GetBitmapNormal() const; /** Returns depressed button bitmap that has been set with @@ -454,7 +509,7 @@ public: @return A reference to the depressed state bitmap. */ - const wxBitmap GetBitmapPressed() const; + const wxBitmap& GetBitmapPressed() const; /** Returns current size of the dropdown button. @@ -478,6 +533,15 @@ public: */ static int GetFeatures(); + /** + Returns the current hint string. + + See SetHint() for more information about hints. + + @since 2.9.1 + */ + virtual wxString GetHint() const; + /** Returns the insertion point for the combo control's text field. @@ -491,6 +555,19 @@ public: */ virtual long GetLastPosition() const; + /** + Returns the margins used by the control. The @c x field of the returned + point is the horizontal margin and the @c y field is the vertical one. + + @remarks If given margin cannot be accurately determined, its value + will be set to -1. + + @see SetMargins() + + @since 2.9.1 + */ + wxPoint GetMargins() const; + /** Returns current popup interface that has been set with SetPopupControl(). @@ -509,6 +586,8 @@ public: /** Returns actual indentation in pixels. + + @deprecated Use GetMargins() instead. */ wxCoord GetTextIndent() const; @@ -516,7 +595,7 @@ public: Returns area covered by the text field (includes everything except borders and the dropdown button). */ - const wxRect GetTextRect() const; + const wxRect& GetTextRect() const; /** Returns text representation of the current value. For writable combo @@ -526,8 +605,14 @@ public: /** Dismisses the popup window. + + @param generateEvent + Set this to @true in order to generate + @c wxEVT_COMBOBOX_CLOSEUP event. + + @deprecated Use Dismiss() instead. */ - virtual void HidePopup(); + virtual void HidePopup(bool generateEvent=false); /** Returns @true if the popup is currently shown @@ -562,6 +647,16 @@ public: */ virtual void Paste(); + /** + Shows the popup portion of the combo control. + + Notice that calling this function will generate a + @c wxEVT_COMBOBOX_DROPDOWN event. + + @since 2.9.2 + */ + virtual void Popup(); + /** Removes the text between the two positions in the combo control text field. @@ -584,7 +679,7 @@ public: @param text The text to insert. */ - virtual void Replace(long from, long to, const wxString& value); + virtual void Replace(long from, long to, const wxString& text); /** Sets custom dropdown button graphics. @@ -631,6 +726,18 @@ public: */ void SetCustomPaintWidth(int width); + /** + Sets a hint shown in an empty unfocused combo control. + + Notice that hints are known as cue banners under MSW or + placeholder strings under OS X. + + @see wxTextEntry::SetHint() + + @since 2.9.1 + */ + virtual bool SetHint(const wxString& hint); + /** Sets the insertion point in the text field. @@ -644,6 +751,21 @@ public: */ virtual void SetInsertionPointEnd(); + //@{ + /** + Attempts to set the control margins. When margins are given as wxPoint, + x indicates the left and y the top margin. Use -1 to indicate that + an existing value should be used. + + @return + @true if setting of all requested margins was successful. + + @since 2.9.1 + */ + bool SetMargins(const wxPoint& pt); + bool SetMargins(wxCoord left, wxCoord top = -1); + //@} + /** Set side of the control to which the popup will align itself. Valid values are @c wxLEFT, @c wxRIGHT and 0. The default value 0 means that @@ -709,10 +831,28 @@ public: */ void SetText(const wxString& value); + /** + Set a custom window style for the embedded wxTextCtrl. Usually you + will need to use this during two-step creation, just before Create(). + For example: + + @code + wxComboCtrl* comboCtrl = new wxComboCtrl(); + + // Let's make the text right-aligned + comboCtrl->SetTextCtrlStyle(wxTE_RIGHT); + + comboCtrl->Create(parent, wxID_ANY, wxEmptyString); + @endcode + */ + void SetTextCtrlStyle( int style ); + /** This will set the space in pixels between left edge of the control and the text, regardless whether control is read-only or not. Value -1 can be given to indicate platform default. + + @deprecated Use SetMargins() instead. */ void SetTextIndent(int indent); @@ -726,13 +866,15 @@ public: virtual void SetValue(const wxString& value); /** - Same as SetValue(), but also sends wxCommandEvent of type - wxEVT_COMMAND_TEXT_UPDATED if @a withEvent is @true. - */ - 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. + */ + void SetValueByUser(const wxString& value); /** Show the popup. + + @deprecated Use Popup() instead. */ virtual void ShowPopup(); @@ -749,5 +891,52 @@ public: will appear as if the focus has been lost from it. */ void UseAltPopupWindow(bool enable = true); + +protected: + + /** + This member function is not normally called in application code. + Instead, it can be implemented in a derived class to create a custom + popup animation. + + The parameters are the same as those for DoShowPopup(). + + @return @true if animation finishes before the function returns, + @false otherwise. In the latter case you need to manually call + DoShowPopup() after the animation ends. + */ + virtual bool AnimateShow(const wxRect& rect, int flags); + + /** + This member function is not normally called in application code. + Instead, it can be implemented in a derived class to return default + wxComboPopup, in case @a popup is @NULL. + + @note If you have implemented OnButtonClick() to do something else than + show the popup, then DoSetPopupControl() must always set @a popup + to @NULL. + */ + virtual void DoSetPopupControl(wxComboPopup* popup); + + /** + This member function is not normally called in application code. + Instead, it must be called in a derived class to make sure popup is + properly shown after a popup animation has finished (but only if + AnimateShow() did not finish the animation within its function scope). + + @param rect + Position to show the popup window at, in screen coordinates. + @param flags + Combination of any of the following: + @beginTable + @row2col{wxComboCtrl::ShowAbove, + Popup is shown above the control instead of below.} + @row2col{wxComboCtrl::CanDeferShow, + Showing the popup can be deferred to happen sometime after + ShowPopup() has finished. In this case, AnimateShow() must + return false.} + @endTable + */ + virtual void DoShowPopup(const wxRect& rect, int flags); };