include/vcl/dialog.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_DIALOG_HXX
  21 #define INCLUDED_VCL_DIALOG_HXX
  22
  23 #include <memory>
  24 #include <vcl/dllapi.h>
  25 #include <vcl/syswin.hxx>
  26 #include <vcl/vclptr.hxx>
  27 #include <vcl/abstdlg.hxx>
  28
  29 struct DialogImpl;
  30 class PushButton;
  31 class VclBox;
  32 class VclButtonBox;
  33
  34 class VCL_DLLPUBLIC Dialog : public SystemWindow
  35 {
  36 public:
  37     enum class InitFlag
  38     {
  39         /** Use given parent or get a default one using GetDefaultParent(...) */
  40         Default,
  41
  42         /** No Parent */
  43         NoParent
  44     };
  45
  46 private:
  47     std::unique_ptr<DialogImpl> mpDialogImpl;
  48     long            mnMousePositioned;
  49     bool            mbInExecute;
  50     bool            mbInSyncExecute;
  51     bool            mbInClose;
  52     bool            mbModalMode;
  53     bool            mbPaintComplete;
  54     bool const      mbForceBorderWindow;
  55     InitFlag const  mnInitFlag; // used for deferred init
  56
  57     VclPtr<VclButtonBox> mpActionArea;
  58     VclPtr<VclBox>       mpContentArea;
  59
  60     SAL_DLLPRIVATE void    RemoveFromDlgList();
  61     SAL_DLLPRIVATE void    ImplInitDialogData();
  62     SAL_DLLPRIVATE void    ImplInitSettings();
  63     SAL_DLLPRIVATE VclPtr<vcl::Window> AddBorderWindow(vcl::Window* pParent, WinBits nBits);
  64
  65     virtual void ApplySettings(vcl::RenderContext& rRenderContext) override;
  66
  67     SAL_DLLPRIVATE         Dialog (const Dialog &) = delete;
  68     SAL_DLLPRIVATE         Dialog & operator= (const Dialog &) = delete;
  69
  70     DECL_DLLPRIVATE_LINK(ImplAsyncCloseHdl, void*, void);
  71     DECL_DLLPRIVATE_LINK(ResponseHdl, Button*, void);
  72
  73     // ensureRepaint - triggers Application::Yield until the dialog is
  74     // completely repainted. Sometimes needed for dialogs showing progress
  75     // during actions
  76     void ensureRepaint();
  77
  78 protected:
  79     using Window::ImplInit;
  80     void    ImplInit( vcl::Window* pParent, WinBits nStyle, InitFlag eFlag = InitFlag::Default );
  81
  82     /// Find and set the LOK notifier according to the pParent.
  83     void ImplLOKNotifier(vcl::Window* pParent);
  84
  85 public:
  86     SAL_DLLPRIVATE bool    IsInClose() const { return mbInClose; }
  87     virtual        void    doDeferredInit(WinBits nBits) override;
  88     SAL_DLLPRIVATE void    disposeOwnedButtons();
  89
  90 protected:
  91     explicit        Dialog( WindowType nType );
  92     explicit        Dialog( vcl::Window* pParent, const OUString& rID, const OUString& rUIXMLDescription, WindowType nType, InitFlag eFlag = InitFlag::Default, bool bBorder = false );
  93     virtual void    Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, DrawFlags nFlags ) override;
  94     virtual void    settingOptimalLayoutSize(Window *pBox) override;
  95
  96 protected:
  97     friend class VclBuilder;
  98     void set_action_area(VclButtonBox* pBox);
  99     virtual void set_content_area(VclBox* pBox);
 100
 101 public:
 102     explicit        Dialog( vcl::Window* pParent, WinBits nStyle = WB_STDDIALOG, InitFlag eFlag = InitFlag::Default );
 103     explicit        Dialog( vcl::Window* pParent, const OUString& rID, const OUString& rUIXMLDescription );
 104     virtual         ~Dialog() override;
 105     virtual void    dispose() override;
 106
 107     // get the default parent for a dialog as is done in standard initialization
 108     static vcl::Window* GetDefaultParent(WinBits nStyle);
 109
 110     virtual bool    EventNotify( NotifyEvent& rNEvt ) override;
 111     virtual void    StateChanged( StateChangedType nStateChange ) override;
 112     virtual void    DataChanged( const DataChangedEvent& rDCEvt ) override;
 113
 114     virtual void queue_resize(StateChangedType eReason = StateChangedType::Layout) override;
 115     virtual bool set_property(const OString &rKey, const OUString &rValue) override;
 116     VclButtonBox* get_action_area() { return mpActionArea; }
 117     VclBox* get_content_area() { return mpContentArea; }
 118
 119     virtual bool    Close() override;
 120
 121     // try to extract content and return as Bitmap. To do that reliably, a Yield-loop
 122     // like in Execute() has to be executed and it is necessary to detect when the
 123     // paint is finished
 124     virtual void PrePaint(vcl::RenderContext& rRenderContext) override;
 125     virtual void PostPaint(vcl::RenderContext& rRenderContext) override;
 126
 127     // Screenshot interface
 128     virtual std::vector<OString> getAllPageUIXMLDescriptions() const;
 129     virtual bool selectPageByUIXMLDescription(const OString& rUIXMLDescription);
 130     BitmapEx createScreenshot();
 131
 132     virtual short   Execute();
 133     bool            IsInExecute() const { return mbInExecute; }
 134     // Return true when dialog is synchronously executed (calling ::Execute())
 135     bool            IsInSyncExecute() const { return mbInSyncExecute; };
 136
 137     virtual FactoryFunction GetUITestFactory() const override;
 138
 139 private:
 140     bool            ImplStartExecute();
 141     static void     ImplEndExecuteModal();
 142     void            ImplSetModalInputMode(bool bModal);
 143 public:
 144
 145     /// Returns true if the dialog successfully starts
 146     bool StartExecuteAsync(const std::function<void(sal_Int32)> &rEndDialogFn)
 147     {
 148         VclAbstractDialog::AsyncContext aCtx;
 149         aCtx.mxOwner = this;
 150         aCtx.maEndDialogFn = rEndDialogFn;
 151         return StartExecuteAsync(aCtx);
 152     }
 153
 154     /// Commence execution of a modal dialog, disposes owner on failure
 155     virtual bool    StartExecuteAsync(VclAbstractDialog::AsyncContext &rCtx);
 156
 157     // Dialog::Execute replacement API
 158
 159
 160     void            EndDialog( long nResult = RET_CANCEL );
 161     static void     EndAllDialogs( vcl::Window const * pParent );
 162
 163     // returns the most recent of the currently executing modal dialogs
 164     static VclPtr<Dialog> GetMostRecentExecutingDialog();
 165
 166     void            GetDrawWindowBorder( sal_Int32& rLeftBorder, sal_Int32& rTopBorder,
 167                                          sal_Int32& rRightBorder, sal_Int32& rBottomBorder ) const;
 168
 169     void            SetModalInputMode( bool bModal );
 170     bool            IsModalInputMode() const { return mbModalMode; }
 171
 172     void            GrabFocusToFirstControl();
 173     virtual void    Resize() override;
 174
 175     void            Activate() override;
 176
 177
 178     void            SetInstallLOKNotifierHdl(const Link<void*, vcl::ILibreOfficeKitNotifier*>& rLink);
 179
 180     void            add_button(PushButton* pButton, int nResponse, bool bTransferOwnership);
 181     void            set_default_response(int nResponse);
 182     int             get_default_response() const;
 183     vcl::Window*    get_widget_for_response(int nResponse);
 184 };
 185
 186 class VCL_DLLPUBLIC ModalDialog : public Dialog
 187 {
 188 public:
 189     explicit        ModalDialog( vcl::Window* pParent, const OUString& rID, const OUString& rUIXMLDescription, bool bBorder = false );
 190
 191 protected:
 192     using Window::Show;
 193     using Window::Hide;
 194
 195 private:
 196
 197     SAL_DLLPRIVATE         ModalDialog (const ModalDialog &) = delete;
 198     SAL_DLLPRIVATE         ModalDialog & operator= (const ModalDialog &) = delete;
 199 };
 200
 201 #endif // INCLUDED_VCL_DIALOG_HXX
 202
 203 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */