Initial release
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// This file is part of VSTGUI. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this
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// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
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#include "../../lib/cframe.h"
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#include "../../lib/controls/cbuttons.h"
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#include "../../lib/controls/ctextlabel.h"
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#include "../../lib/iviewlistener.h"
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#include "../../uidescription/delegationcontroller.h"
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#include "../../uidescription/iuidescription.h"
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#include "../include/helpers/uidesc/customization.h"
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#include "../include/helpers/value.h"
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#include "../include/helpers/valuelistener.h"
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#include "../include/helpers/windowcontroller.h"
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#include "genericalertbox.h"
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#include <array>
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//------------------------------------------------------------------------
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namespace VSTGUI {
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namespace Standalone {
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namespace Detail {
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namespace {
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//------------------------------------------------------------------------
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const auto xmlText = R"(<?xml version="1.0" encoding="UTF-8"?>
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<vstgui-ui-description version="1">
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<template autosize="left right top bottom " background-color="~ BlackCColor" background-color-draw-style="filled" class="CViewContainer" mouse-enabled="true" name="AlertBox" opacity="1" origin="0, 0" size="420, 110" sub-controller="ButtonController" transparent="true" wants-focus="false">
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<view autosize="left right top bottom " class="CGradientView" draw-antialiased="true" frame-color="~ BlackCColor" frame-width="-1" gradient="About Background" gradient-angle="0" gradient-style="linear" mouse-enabled="false" opacity="1" origin="0, 0" radial-center="0.5, 0.5" radial-radius="1" round-rect-radius="2" size="420, 110" transparent="false" wants-focus="false"/>
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<view autosize="right bottom " class="CTextButton" control-tag="AlertBox.thirdButton" default-value="0.5" font="~ SystemFont" frame-color="~ BlackCColor" frame-color-highlighted="~ BlackCColor" frame-width="-1" gradient="Default TextButton Gradient" gradient-highlighted="Default TextButton Gradient Highlighted" icon-position="left" icon-text-margin="0" kick-style="false" max-value="1" min-value="0" mouse-enabled="true" opacity="1" origin="90, 80" round-radius="3" size="100, 20" text-alignment="center" text-color="~ BlackCColor" text-color-highlighted="~ WhiteCColor" title="Third" transparent="false" wants-focus="true" wheel-inc-value="0.1"/>
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<view autosize="right bottom " class="CTextButton" control-tag="AlertBox.secondButton" default-value="0.5" font="~ SystemFont" frame-color="~ BlackCColor" frame-color-highlighted="~ BlackCColor" frame-width="-1" gradient="Default TextButton Gradient" gradient-highlighted="Default TextButton Gradient Highlighted" icon-position="left" icon-text-margin="0" kick-style="false" max-value="1" min-value="0" mouse-enabled="true" opacity="1" origin="200, 80" round-radius="3" size="100, 20" text-alignment="center" text-color="~ BlackCColor" text-color-highlighted="~ WhiteCColor" title="OK" transparent="false" wants-focus="true" wheel-inc-value="0.1"/>
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<view autosize="right bottom " class="CTextButton" control-tag="AlertBox.firstButton" default-value="0.5" font="~ SystemFont" frame-color="~ BlackCColor" frame-color-highlighted="~ BlackCColor" frame-width="-1" gradient="Default TextButton Gradient" gradient-highlighted="Default TextButton Gradient Highlighted" icon-position="left" icon-text-margin="0" kick-style="false" max-value="1" min-value="0" mouse-enabled="true" opacity="1" origin="310, 80" round-radius="3" size="100, 20" text-alignment="center" text-color="~ BlackCColor" text-color-highlighted="~ WhiteCColor" title="Cancel" transparent="false" wants-focus="true" wheel-inc-value="0.1"/>
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<view auto-height="false" autosize="left right top " back-color="~ BlackCColor" background-offset="0, 0" class="CMultiLineTextLabel" control-tag="AlertBox.headline" default-value="0.5" font="~ NormalFontVeryBig" font-antialias="true" font-color="~ BlackCColor" frame-color="~ BlackCColor" frame-width="0" line-layout="wrap" max-value="1" min-value="0" mouse-enabled="false" opacity="1" origin="10, 10" round-rect-radius="6" shadow-color="~ GreyCColor" size="400, 30" style-3D-in="false" style-3D-out="false" style-no-draw="false" style-no-frame="false" style-no-text="false" style-round-rect="false" style-shadow-text="false" text-alignment="center" text-inset="0, 0" text-rotation="0" text-shadow-offset="1, 1" title="This is a test headline" transparent="true" value-precision="2" wants-focus="false" wheel-inc-value="0.1"/>
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<view auto-height="false" autosize="left right top " back-color="~ BlackCColor" background-offset="0, 0" class="CMultiLineTextLabel" control-tag="AlertBox.description" default-value="0.5" font="~ SystemFont" font-antialias="true" font-color="~ BlackCColor" frame-color="~ BlackCColor" frame-width="0" line-layout="wrap" max-value="1" min-value="0" mouse-enabled="false" opacity="1" origin="10, 40" round-rect-radius="6" shadow-color="~ RedCColor" size="400, 30" style-3D-in="false" style-3D-out="false" style-no-draw="false" style-no-frame="false" style-no-text="false" style-round-rect="false" style-shadow-text="false" text-alignment="left" text-inset="5, 5" text-rotation="0" text-shadow-offset="1, 1" title="This is a test description" transparent="true" value-precision="2" wants-focus="false" wheel-inc-value="0.1"/>
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</template>
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<control-tags>
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<control-tag name="AlertBox.description" tag="4"/>
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<control-tag name="AlertBox.firstButton" tag="0"/>
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<control-tag name="AlertBox.headline" tag="3"/>
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<control-tag name="AlertBox.secondButton" tag="1"/>
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<control-tag name="AlertBox.thirdButton" tag="2"/>
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</control-tags>
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<colors>
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<color name="AlertBox.background" rgba="#ecececff"/>
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</colors>
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<gradients>
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<gradient name="About Background">
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<color-stop rgba="#dcdcdcff" start="0"/>
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<color-stop rgba="#b3b3b3ff" start="0.5"/>
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<color-stop rgba="#b4b4b4ff" start="1"/>
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</gradient>
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<gradient name="Default TextButton Gradient">
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<color-stop rgba="#dcdcdcff" start="0"/>
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<color-stop rgba="#b4b4b4ff" start="1"/>
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</gradient>
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<gradient name="Default TextButton Gradient Highlighted">
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<color-stop rgba="#b4b4b4ff" start="0"/>
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<color-stop rgba="#646464ff" start="1"/>
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</gradient>
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<gradient name="Focused TextButton Gradient">
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<color-stop rgba="#dcdcdcff" start="0"/>
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<color-stop rgba="#9b9b9bff" start="0.660000026226043701171875"/>
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<color-stop rgba="#b4b4b4ff" start="1"/>
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</gradient>
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</gradients>
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</vstgui-ui-description>
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)";
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//------------------------------------------------------------------------
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}
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//------------------------------------------------------------------------
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class AlertBoxController : public UIDesc::IModelBinding,
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public UIDesc::CustomizationAdapter,
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public ValueListenerAdapter,
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public WindowControllerAdapter,
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public ViewListenerAdapter,
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public std::enable_shared_from_this<AlertBoxController>
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{
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public:
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static constexpr auto Button1TagName = "AlertBox.firstButton";
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static constexpr auto Button2TagName = "AlertBox.secondButton";
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static constexpr auto Button3TagName = "AlertBox.thirdButton";
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AlertBoxController (const AlertBoxConfig& config, const AlertBoxCallback& callback)
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: callback (callback)
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, firstButtonTitle (config.defaultButton)
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, secondButtonTitle (config.secondButton)
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, thirdButtonTitle (config.thirdButton)
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{
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addValue (Value::make (Button1TagName));
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addValue (Value::make (Button2TagName));
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addValue (Value::make (Button3TagName));
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addValue (Value::makeStringListValue ("AlertBox.headline", {config.headline}))
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->setActive (false);
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addValue (Value::makeStringListValue ("AlertBox.description", {config.description}))
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->setActive (false);
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if (!firstButtonTitle.empty ())
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++usedButtons;
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if (!secondButtonTitle.empty ())
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++usedButtons;
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if (!thirdButtonTitle.empty ())
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++usedButtons;
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}
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void setWindow (const WindowPtr& w)
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{
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window = w;
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window->registerWindowListener (this);
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CTextButton* focusButton = nullptr;
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switch (usedButtons)
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{
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case 1: focusButton = buttons[0]; break;
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case 2:
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case 3: focusButton = buttons[1]; break;
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}
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if (focusButton)
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focusButton->getFrame ()->setFocusView (focusButton);
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}
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const ValueList& getValues () const override { return values; }
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IController* createController (const UTF8StringView& name, IController* parent,
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const IUIDescription* uiDesc) override
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{
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if (name == "ButtonController")
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{
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return new ButtonController (*this, parent);
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}
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return nullptr;
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}
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void onEndEdit (IValue& value) override
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{
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if (value.getValue () < 0.5)
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return;
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auto self = shared_from_this ();
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if (value.getID () == Button1TagName)
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{
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if (usedButtons == 1)
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alertResult = AlertResult::DefaultButton;
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else
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alertResult = AlertResult::SecondButton;
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}
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else if (value.getID () == Button2TagName)
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{
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alertResult = AlertResult::DefaultButton;
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}
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else if (value.getID () == Button3TagName)
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{
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alertResult = AlertResult::ThirdButton;
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}
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window->close ();
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}
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void onClosed (const IWindow&) override
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{
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for (auto button : buttons)
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{
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if (button)
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button->unregisterViewListener (this);
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}
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if (callback)
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{
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callback (alertResult);
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callback = nullptr;
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}
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}
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void onSetContentView (IWindow& inWindow, const SharedPointer<CFrame>& contentView) override
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{
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std::vector<CMultiLineTextLabel*> views;
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if (contentView->getChildViewsOfType<CMultiLineTextLabel> (views, true) == 0)
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return;
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CCoord diffY = 0.;
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CCoord lastViewBottom = 0.;
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for (auto label : views)
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{
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auto prevSize = label->getViewSize ();
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label->setAutoHeight (true);
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auto newSize = label->getViewSize ();
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diffY += newSize.getHeight () - prevSize.getHeight ();
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if (lastViewBottom == 0)
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{
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lastViewBottom = newSize.bottom;
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}
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else
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{
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newSize.offset (0, lastViewBottom - newSize.top);
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label->setViewSize (newSize);
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}
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}
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if (diffY == 0.)
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return;
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auto windowSize = inWindow.getSize ();
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windowSize.y += diffY;
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inWindow.setSize (windowSize);
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contentView->setSize (windowSize.x, windowSize.y);
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}
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void viewLostFocus (CView* view) override
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{
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if (auto button = dynamic_cast<CTextButton*> (view))
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button->setGradient (normalButtonGradient);
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}
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void viewTookFocus (CView* view) override
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{
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if (auto button = dynamic_cast<CTextButton*> (view))
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button->setGradient (focusedButtonGradient);
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}
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void onUIDescriptionParsed (const IUIDescription* uiDesc) override
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{
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focusedButtonGradient = uiDesc->getGradient ("Focused TextButton Gradient");
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normalButtonGradient = uiDesc->getGradient ("Default TextButton Gradient");
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}
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private:
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struct ButtonController : DelegationController
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{
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ButtonController (AlertBoxController& alertBoxController, IController* parent)
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: DelegationController (parent), alertBoxController (alertBoxController)
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{
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}
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CView* verifyView (CView* view, const UIAttributes& attributes,
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const IUIDescription* description) override
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{
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if (auto button = dynamic_cast<CTextButton*> (view))
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{
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UTF8StringView tagName = description->lookupControlTagName (button->getTag ());
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if (!setupButton (button, tagName))
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{
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view->forget ();
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return nullptr;
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}
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button->registerViewListener (&alertBoxController);
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}
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return controller->verifyView (view, attributes, description);
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}
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bool setupButton (CTextButton* button, UTF8StringView name)
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{
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if (name == Button3TagName)
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{
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if (alertBoxController.usedButtons < 3)
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return false;
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button->setTitle (alertBoxController.thirdButtonTitle);
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alertBoxController.buttons[2] = button;
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return true;
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}
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if (name == Button2TagName)
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{
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if (alertBoxController.usedButtons < 2)
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return false;
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button->setTitle (alertBoxController.firstButtonTitle);
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alertBoxController.buttons[1] = button;
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return true;
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}
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if (name == Button1TagName)
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{
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if (alertBoxController.usedButtons == 1)
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button->setTitle (alertBoxController.firstButtonTitle);
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else
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button->setTitle (alertBoxController.secondButtonTitle);
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alertBoxController.buttons[0] = button;
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return true;
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}
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return false;
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}
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AlertBoxController& alertBoxController;
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};
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ValuePtr addValue (ValuePtr&& value)
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{
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value->registerListener (this);
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values.emplace_back (std::move (value));
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return values.back ();
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}
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WindowPtr window;
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AlertBoxCallback callback;
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ValueList values;
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UTF8String firstButtonTitle;
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UTF8String secondButtonTitle;
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UTF8String thirdButtonTitle;
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AlertResult alertResult {AlertResult::Error};
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uint32_t usedButtons {0};
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std::array<CTextButton*, 3> buttons {{nullptr}};
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SharedPointer<CGradient> focusedButtonGradient;
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SharedPointer<CGradient> normalButtonGradient;
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};
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//------------------------------------------------------------------------
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WindowPtr createAlertBox (const AlertBoxConfig& alertBoxConfig, const AlertBoxCallback& callback)
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{
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vstgui_assert (callback);
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auto controller = std::make_shared<AlertBoxController> (alertBoxConfig, callback);
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UIDesc::Config config;
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config.windowConfig.type = WindowType::Document;
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config.windowConfig.style.transparent ().movableByWindowBackground ();
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config.viewName = "AlertBox";
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config.uiDescFileName = xmlText;
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config.modelBinding = staticPtrCast<UIDesc::IModelBinding> (controller);
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config.customization = staticPtrCast<UIDesc::ICustomization> (controller);
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auto window = UIDesc::makeWindow (config);
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controller->setWindow (window);
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return window;
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}
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//------------------------------------------------------------------------
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} // Detail
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} // Standalone
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} // VSTGUI
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