sd/source/console/PresenterHelpView.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19
  20 #ifndef INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
  21 #define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERHELPVIEW_HXX
  22
  23 #include "PresenterController.hxx"
  24 #include <cppuhelper/basemutex.hxx>
  25 #include <cppuhelper/compbase.hxx>
  26 #include <com/sun/star/awt/XPaintListener.hpp>
  27 #include <com/sun/star/awt/XWindowListener.hpp>
  28 #include <com/sun/star/drawing/framework/XView.hpp>
  29 #include <com/sun/star/drawing/framework/XResourceId.hpp>
  30 #include <com/sun/star/frame/XController.hpp>
  31 #include <memory>
  32
  33 namespace sdext::presenter {
  34
  35 class PresenterButton;
  36
  37 typedef cppu::WeakComponentImplHelper<
  38     css::drawing::framework::XView,
  39     css::awt::XWindowListener,
  40     css::awt::XPaintListener
  41     > PresenterHelpViewInterfaceBase;
  42
  43 /** Show help text that describes the defined keys.
  44 */
  45 class PresenterHelpView
  46     : private ::cppu::BaseMutex,
  47       public PresenterHelpViewInterfaceBase
  48 {
  49 public:
  50     explicit PresenterHelpView (
  51         const css::uno::Reference<css::uno::XComponentContext>& rxContext,
  52         const css::uno::Reference<css::drawing::framework::XResourceId>& rxViewId,
  53         const rtl::Reference<::sd::DrawController>& rxController,
  54         ::rtl::Reference<PresenterController> xPresenterController);
  55     virtual ~PresenterHelpView() override;
  56
  57     virtual void SAL_CALL disposing() override;
  58
  59     // lang::XEventListener
  60
  61     virtual void SAL_CALL
  62         disposing (const css::lang::EventObject& rEventObject) override;
  63
  64     // XWindowListener
  65
  66     virtual void SAL_CALL windowResized (const css::awt::WindowEvent& rEvent) override;
  67
  68     virtual void SAL_CALL windowMoved (const css::awt::WindowEvent& rEvent) override;
  69
  70     virtual void SAL_CALL windowShown (const css::lang::EventObject& rEvent) override;
  71
  72     virtual void SAL_CALL windowHidden (const css::lang::EventObject& rEvent) override;
  73
  74     // XPaintListener
  75
  76     virtual void SAL_CALL windowPaint (const css::awt::PaintEvent& rEvent) override;
  77
  78     // XResourceId
  79
  80     virtual css::uno::Reference<css::drawing::framework::XResourceId> SAL_CALL getResourceId() override;
  81
  82     virtual sal_Bool SAL_CALL isAnchorOnly() override;
  83
  84 private:
  85     class TextContainer;
  86
  87     css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
  88     css::uno::Reference<css::drawing::framework::XResourceId> mxViewId;
  89     css::uno::Reference<css::drawing::framework::XPane> mxPane;
  90     css::uno::Reference<css::awt::XWindow> mxWindow;
  91     css::uno::Reference<css::rendering::XCanvas> mxCanvas;
  92     ::rtl::Reference<PresenterController> mpPresenterController;
  93     PresenterTheme::SharedFontDescriptor mpFont;
  94     std::unique_ptr<TextContainer> mpTextContainer;
  95     ::rtl::Reference<PresenterButton> mpCloseButton;
  96     sal_Int32 mnSeparatorY;
  97     sal_Int32 mnMaximalWidth;
  98
  99     void ProvideCanvas();
 100     void Resize();
 101     void Paint (const css::awt::Rectangle& rRedrawArea);
 102     void ReadHelpStrings();
 103     void ProcessString (
 104         const css::uno::Reference<css::beans::XPropertySet>& rsProperties);
 105
 106     /** Find a font size, so that all text can be displayed at the same
 107         time.
 108     */
 109     void CheckFontSize();
 110
 111     /** @throws css::lang::DisposedException when the object has already been
 112         disposed.
 113     */
 114     void ThrowIfDisposed();
 115 };
 116
 117 } // end of namespace ::sdext::presenter
 118
 119 #endif
 120
 121 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */