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164 lines
9.5 KiB
164 lines
9.5 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_NATIVEMESSAGEBOX_H_INCLUDED
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#define JUCE_NATIVEMESSAGEBOX_H_INCLUDED
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//==============================================================================
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/**
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This class contains some static methods for showing native alert windows.
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*/
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class NativeMessageBox
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{
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public:
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/** Shows a dialog box that just has a message and a single 'ok' button to close it.
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The box is shown modally, and the method will block until the user has clicked its
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button (or pressed the escape or return keys).
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@param iconType the type of icon to show
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@param title the headline to show at the top of the box
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@param message a longer, more descriptive message to show underneath the title
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@param associatedComponent if this is non-null, it specifies the component that the
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alert window should be associated with. Depending on the look
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and feel, this might be used for positioning of the alert window.
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*/
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#if JUCE_MODAL_LOOPS_PERMITTED
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static void JUCE_CALLTYPE showMessageBox (AlertWindow::AlertIconType iconType,
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const String& title,
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const String& message,
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Component* associatedComponent = nullptr);
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#endif
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/** Shows a dialog box that just has a message and a single 'ok' button to close it.
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The box will be displayed and placed into a modal state, but this method will return
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immediately, and the callback will be invoked later when the user dismisses the box.
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@param iconType the type of icon to show
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@param title the headline to show at the top of the box
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@param message a longer, more descriptive message to show underneath the title
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@param associatedComponent if this is non-null, it specifies the component that the
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alert window should be associated with. Depending on the look
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and feel, this might be used for positioning of the alert window.
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@param callback if this is non-null, the callback will receive a call to its
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modalStateFinished() when the box is dismissed. The callback object
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will be owned and deleted by the system, so make sure that it works
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safely and doesn't keep any references to objects that might be deleted
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before it gets called.
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*/
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static void JUCE_CALLTYPE showMessageBoxAsync (AlertWindow::AlertIconType iconType,
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const String& title,
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const String& message,
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Component* associatedComponent = nullptr,
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ModalComponentManager::Callback* callback = nullptr);
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/** Shows a dialog box with two buttons.
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Ideal for ok/cancel or yes/no choices. The return key can also be used
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to trigger the first button, and the escape key for the second button.
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If the callback parameter is null, the box is shown modally, and the method will
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block until the user has clicked the button (or pressed the escape or return keys).
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If the callback parameter is non-null, the box will be displayed and placed into a
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modal state, but this method will return immediately, and the callback will be invoked
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later when the user dismisses the box.
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@param iconType the type of icon to show
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@param title the headline to show at the top of the box
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@param message a longer, more descriptive message to show underneath the title
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@param associatedComponent if this is non-null, it specifies the component that the
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alert window should be associated with. Depending on the look
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and feel, this might be used for positioning of the alert window.
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@param callback if this is non-null, the box will be launched asynchronously,
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returning immediately, and the callback will receive a call to its
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modalStateFinished() when the box is dismissed, with its parameter
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being 1 if the ok button was pressed, or 0 for cancel, The callback object
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will be owned and deleted by the system, so make sure that it works
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safely and doesn't keep any references to objects that might be deleted
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before it gets called.
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@returns true if button 1 was clicked, false if it was button 2. If the callback parameter
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is not null, the method always returns false, and the user's choice is delivered
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later by the callback.
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*/
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static bool JUCE_CALLTYPE showOkCancelBox (AlertWindow::AlertIconType iconType,
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const String& title,
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const String& message,
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#if JUCE_MODAL_LOOPS_PERMITTED
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Component* associatedComponent = nullptr,
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ModalComponentManager::Callback* callback = nullptr);
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#else
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Component* associatedComponent,
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ModalComponentManager::Callback* callback);
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#endif
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/** Shows a dialog box with three buttons.
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Ideal for yes/no/cancel boxes.
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The escape key can be used to trigger the third button.
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If the callback parameter is null, the box is shown modally, and the method will
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block until the user has clicked the button (or pressed the escape or return keys).
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If the callback parameter is non-null, the box will be displayed and placed into a
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modal state, but this method will return immediately, and the callback will be invoked
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later when the user dismisses the box.
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@param iconType the type of icon to show
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@param title the headline to show at the top of the box
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@param message a longer, more descriptive message to show underneath the title
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@param associatedComponent if this is non-null, it specifies the component that the
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alert window should be associated with. Depending on the look
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and feel, this might be used for positioning of the alert window.
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@param callback if this is non-null, the box will be launched asynchronously,
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returning immediately, and the callback will receive a call to its
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modalStateFinished() when the box is dismissed, with its parameter
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being 1 if the "yes" button was pressed, 2 for the "no" button, or 0
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if it was cancelled, The callback object will be owned and deleted by the
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system, so make sure that it works safely and doesn't keep any references
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to objects that might be deleted before it gets called.
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@returns If the callback parameter has been set, this returns 0. Otherwise, it returns one
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of the following values:
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- 0 if 'cancel' was pressed
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- 1 if 'yes' was pressed
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- 2 if 'no' was pressed
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*/
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static int JUCE_CALLTYPE showYesNoCancelBox (AlertWindow::AlertIconType iconType,
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const String& title,
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const String& message,
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#if JUCE_MODAL_LOOPS_PERMITTED
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Component* associatedComponent = nullptr,
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ModalComponentManager::Callback* callback = nullptr);
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#else
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Component* associatedComponent,
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ModalComponentManager::Callback* callback);
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#endif
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private:
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NativeMessageBox() JUCE_DELETED_FUNCTION;
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JUCE_DECLARE_NON_COPYABLE (NativeMessageBox)
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};
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#endif // JUCE_NATIVEMESSAGEBOX_H_INCLUDED
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