X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0be274189380d9de3c60836dab2fc080f21f88ee..09b67c660cadef225cbf8f1986cfe591f8feae8c:/include/wx/dialog.h?ds=sidebyside diff --git a/include/wx/dialog.h b/include/wx/dialog.h index ae621112ef..62bfb79265 100644 --- a/include/wx/dialog.h +++ b/include/wx/dialog.h @@ -13,11 +13,15 @@ #define _WX_DIALOG_H_BASE_ #include "wx/defs.h" -#include "wx/containr.h" #include "wx/toplevel.h" -class WXDLLEXPORT wxSizer; -class WXDLLEXPORT wxStdDialogButtonSizer; +class WXDLLIMPEXP_FWD_CORE wxSizer; +class WXDLLIMPEXP_FWD_CORE wxStdDialogButtonSizer; +class WXDLLIMPEXP_FWD_CORE wxBoxSizer; +class WXDLLIMPEXP_FWD_CORE wxDialogLayoutAdapter; +class WXDLLIMPEXP_FWD_CORE wxDialog; +class WXDLLIMPEXP_FWD_CORE wxButton; +class WXDLLIMPEXP_FWD_CORE wxScrolledWindow; #define wxDIALOG_NO_PARENT 0x0001 // Don't make owned by apps top window @@ -27,7 +31,29 @@ class WXDLLEXPORT wxStdDialogButtonSizer; #define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX) #endif -extern WXDLLEXPORT_DATA(const wxChar) wxDialogNameStr[]; +// Layout adaptation levels, for SetLayoutAdaptationLevel + +// Don't do any layout adaptation +#define wxDIALOG_ADAPTATION_NONE 0 + +// Only look for wxStdDialogButtonSizer for non-scrolling part +#define wxDIALOG_ADAPTATION_STANDARD_SIZER 1 + +// Also look for any suitable sizer for non-scrolling part +#define wxDIALOG_ADAPTATION_ANY_SIZER 2 + +// Also look for 'loose' standard buttons for non-scrolling part +#define wxDIALOG_ADAPTATION_LOOSE_BUTTONS 3 + +// Layout adaptation mode, for SetLayoutAdaptationMode +enum wxDialogLayoutAdaptationMode +{ + wxDIALOG_ADAPTATION_MODE_DEFAULT = 0, // use global adaptation enabled status + wxDIALOG_ADAPTATION_MODE_ENABLED = 1, // enable this dialog overriding global status + wxDIALOG_ADAPTATION_MODE_DISABLED = 2 // disable this dialog overriding global status +}; + +extern WXDLLEXPORT_DATA(const char) wxDialogNameStr[]; class WXDLLEXPORT wxDialogBase : public wxTopLevelWindow { @@ -41,35 +67,95 @@ public: wxDialogBase() { Init(); } virtual ~wxDialogBase() { } - void Init(); + // define public wxDialog methods to be implemented by the derived classes + virtual int ShowModal() = 0; + virtual void EndModal(int retCode) = 0; + virtual bool IsModal() const = 0; + // Modal dialogs have a return code - usually the id of the last // pressed button void SetReturnCode(int returnCode) { m_returnCode = returnCode; } int GetReturnCode() const { return m_returnCode; } - // The identifier for the affirmative button - void SetAffirmativeId(int affirmativeId) { m_affirmativeId = affirmativeId; } + // Set the identifier for the affirmative button: this button will close + // the dialog after validating data and calling TransferDataFromWindow() + void SetAffirmativeId(int affirmativeId); int GetAffirmativeId() const { return m_affirmativeId; } - // Identifier for Esc key translation - void SetEscapeId(int escapeId) { m_escapeId = escapeId; } + // Set identifier for Esc key translation: the button with this id will + // close the dialog without doing anything else; special value wxID_NONE + // means to not handle Esc at all while wxID_ANY means to map Esc to + // wxID_CANCEL if present and GetAffirmativeId() otherwise + void SetEscapeId(int escapeId); int GetEscapeId() const { return m_escapeId; } + // Returns the parent to use for modal dialogs if the user did not specify it + // explicitly + wxWindow *GetParentForModalDialog(wxWindow *parent = NULL) const; + #if wxUSE_STATTEXT // && wxUSE_TEXTCTRL // splits text up at newlines and places the // lines into a vertical wxBoxSizer wxSizer *CreateTextSizer( const wxString &message ); #endif // wxUSE_STATTEXT // && wxUSE_TEXTCTRL - // places buttons into a horizontal wxBoxSizer - wxSizer *CreateButtonSizer( long flags, - bool separated = false, - wxCoord distance = 0 ); + // returns a horizontal wxBoxSizer containing the given buttons + // + // notice that the returned sizer can be NULL if no buttons are put in the + // sizer (this mostly happens under smart phones and other atypical + // platforms which have hardware buttons replacing OK/Cancel and such) + wxSizer *CreateButtonSizer(long flags); + + // returns the sizer containing CreateButtonSizer() below a separating + // static line for the platforms which use static lines for items + // separation (i.e. not Mac) + wxSizer *CreateSeparatedButtonSizer(long flags); + #if wxUSE_BUTTON wxStdDialogButtonSizer *CreateStdDialogButtonSizer( long flags ); #endif // wxUSE_BUTTON + // Do layout adaptation + virtual bool DoLayoutAdaptation(); + + // Can we do layout adaptation? + virtual bool CanDoLayoutAdaptation(); + + // Returns a content window if there is one. This can be used by the layout adapter, for + // example to make the pages of a book control into scrolling windows + virtual wxWindow* GetContentWindow() const { return NULL; } + + // Add an id to the list of main button identifiers that should be in the button sizer + void AddMainButtonId(wxWindowID id) { m_mainButtonIds.Add((int) id); } + wxArrayInt& GetMainButtonIds() { return m_mainButtonIds; } + + // Is this id in the main button id array? + bool IsMainButtonId(wxWindowID id) const { return (m_mainButtonIds.Index((int) id) != wxNOT_FOUND); } + + // Level of adaptation, from none (Level 0) to full (Level 3). To disable adaptation, + // set level 0, for example in your dialog constructor. You might + // do this if you know that you are displaying on a large screen and you don't want the + // dialog changed. + void SetLayoutAdaptationLevel(int level) { m_layoutAdaptationLevel = level; } + int GetLayoutAdaptationLevel() const { return m_layoutAdaptationLevel; } + + /// Override global adaptation enabled/disabled status + void SetLayoutAdaptationMode(wxDialogLayoutAdaptationMode mode) { m_layoutAdaptationMode = mode; } + wxDialogLayoutAdaptationMode GetLayoutAdaptationMode() const { return m_layoutAdaptationMode; } + + // Returns true if the adaptation has been done + void SetLayoutAdaptationDone(bool adaptationDone) { m_layoutAdaptationDone = adaptationDone; } + bool GetLayoutAdaptationDone() const { return m_layoutAdaptationDone; } + + // Set layout adapter class, returning old adapter + static wxDialogLayoutAdapter* SetLayoutAdapter(wxDialogLayoutAdapter* adapter); + static wxDialogLayoutAdapter* GetLayoutAdapter() { return sm_layoutAdapter; } + + // Global switch for layout adaptation + static bool IsLayoutAdaptationEnabled() { return sm_layoutAdaptation; } + static void EnableLayoutAdaptation(bool enable) { sm_layoutAdaptation = enable; } + protected: // emulate click of a button with the given id if it's present in the dialog // @@ -84,6 +170,14 @@ protected: // could do something different if needed virtual bool IsEscapeKey(const wxKeyEvent& event); + // end either modal or modeless dialog, for the modal dialog rc is used as + // the dialog return code + void EndDialog(int rc); + + // call Validate() and TransferDataFromWindow() and close dialog with + // wxID_OK return code + void AcceptAndClose(); + // The return code from modal dialog int m_returnCode; @@ -94,15 +188,117 @@ protected: // The identifier for cancel button (usually wxID_CANCEL) int m_escapeId; + // Flags whether layout adaptation has been done for this dialog + bool m_layoutAdaptationDone; + + // Extra button identifiers to be taken as 'main' button identifiers + // to be placed in the non-scrolling area + wxArrayInt m_mainButtonIds; + + // Adaptation level + int m_layoutAdaptationLevel; + + // Local override for global adaptation enabled status + wxDialogLayoutAdaptationMode m_layoutAdaptationMode; + + // Global layout adapter + static wxDialogLayoutAdapter* sm_layoutAdapter; + + // Global adaptation switch + static bool sm_layoutAdaptation; + private: + // common part of all ctors + void Init(); + // handle Esc key presses void OnCharHook(wxKeyEvent& event); + // handle closing the dialog window + void OnCloseWindow(wxCloseEvent& event); + + // handle the standard buttons + void OnButton(wxCommandEvent& event); + + // update the background colour + void OnSysColourChanged(wxSysColourChangedEvent& event); + + DECLARE_NO_COPY_CLASS(wxDialogBase) DECLARE_EVENT_TABLE() - WX_DECLARE_CONTROL_CONTAINER(); }; +/*! + * Base class for layout adapters - code that, for example, turns a dialog into a + * scrolling dialog if there isn't enough screen space. You can derive further + * adapter classes to do any other kind of adaptation, such as applying a watermark, or adding + * a help mechanism. + */ + +class WXDLLEXPORT wxDialogLayoutAdapter: public wxObject +{ + DECLARE_CLASS(wxDialogLayoutAdapter) +public: + wxDialogLayoutAdapter() {} + + // Override this function to indicate that adaptation should be done + virtual bool CanDoLayoutAdaptation(wxDialog* dialog) = 0; + + // Override this function to do the adaptation + virtual bool DoLayoutAdaptation(wxDialog* dialog) = 0; +}; + +/*! + * Standard adapter. Does scrolling adaptation for paged and regular dialogs. + * + */ + +class WXDLLEXPORT wxStandardDialogLayoutAdapter: public wxDialogLayoutAdapter +{ + DECLARE_CLASS(wxStandardDialogLayoutAdapter) +public: + wxStandardDialogLayoutAdapter() {} + +// Overrides + + // Indicate that adaptation should be done + virtual bool CanDoLayoutAdaptation(wxDialog* dialog); + + // Do layout adaptation + virtual bool DoLayoutAdaptation(wxDialog* dialog); + +// Implementation + + // Create the scrolled window + virtual wxScrolledWindow* CreateScrolledWindow(wxWindow* parent); + + // Find a standard or horizontal box sizer + virtual wxSizer* FindButtonSizer(bool stdButtonSizer, wxDialog* dialog, wxSizer* sizer, int& retBorder, int accumlatedBorder = 0); + + // Check if this sizer contains standard buttons, and so can be repositioned in the dialog + virtual bool IsOrdinaryButtonSizer(wxDialog* dialog, wxBoxSizer* sizer); + + // Check if this is a standard button + virtual bool IsStandardButton(wxDialog* dialog, wxButton* button); + + // Find 'loose' main buttons in the existing layout and add them to the standard dialog sizer + virtual bool FindLooseButtons(wxDialog* dialog, wxStdDialogButtonSizer* buttonSizer, wxSizer* sizer, int& count); + + // Reparent the controls to the scrolled window, except those in buttonSizer + virtual void ReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer = NULL); + static void DoReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer = NULL); + + // A function to fit the dialog around its contents, and then adjust for screen size. + // If scrolled windows are passed, scrolling is enabled in the required orientation(s). + virtual bool FitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow); + virtual bool FitWithScrolling(wxDialog* dialog, wxWindowList& windows); + static bool DoFitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow); + static bool DoFitWithScrolling(wxDialog* dialog, wxWindowList& windows); + + // Find whether scrolling will be necessary for the dialog, returning wxVERTICAL, wxHORIZONTAL or both + virtual int MustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize); + static int DoMustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize); +}; #if defined(__WXUNIVERSAL__) && !defined(__WXMICROWIN__) #include "wx/univ/dialog.h"