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engines/hpl1/engine/gui/GuiPopUpMessageBox.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#include "hpl1/engine/gui/GuiPopUpMessageBox.h"
+
+#include "hpl1/engine/system/low_level_system.h"
+
+#include "hpl1/engine/math/Math.h"
+
+#include "hpl1/engine/graphics/font_data.h"
+
+#include "hpl1/engine/gui/Gui.h"
+#include "hpl1/engine/gui/GuiSet.h"
+#include "hpl1/engine/gui/GuiSkin.h"
+
+#include "hpl1/engine/gui/WidgetButton.h"
+#include "hpl1/engine/gui/WidgetLabel.h"
+#include "hpl1/engine/gui/WidgetWindow.h"
+
+namespace hpl {
+
+//////////////////////////////////////////////////////////////////////////
+// CONSTRUCTORS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+cGuiPopUpMessageBox::cGuiPopUpMessageBox(cGuiSet *apSet,
+										 const tWString &asLabel, const tWString &asText,
+										 const tWString &asButton1, const tWString &asButton2,
+										 void *apCallbackObject, tGuiCallbackFunc apCallback)
+	: iGuiPopUp(apSet) {
+	//////////////////////////
+	// Set up variables
+	mpCallback = apCallback;
+	mpCallbackObject = apCallbackObject;
+
+	cGuiSkinFont *pFont = mpSkin->GetFont(eGuiSkinFont_Default);
+
+	float fWindowMinLength = pFont->mpFont->getLength(pFont->mvSize, asLabel.c_str());
+	float fTextLength = pFont->mpFont->getLength(pFont->mvSize, asText.c_str());
+
+	if (fTextLength > fWindowMinLength)
+		fWindowMinLength = fTextLength;
+
+	float fWindowWidth = fWindowMinLength + 40 > 200 ? fWindowMinLength + 40 : 200;
+
+	cVector2f vVirtSize = mpSet->GetVirtualSize();
+
+	float fWindowHeight = 90 + pFont->mvSize.y;
+
+	//////////////////////////
+	// Window
+	cVector3f vPos = cVector3f(vVirtSize.x / 2 - fWindowWidth / 2, vVirtSize.y / 2 - fWindowHeight / 2, 18);
+	mpWindow = mpSet->CreateWidgetWindow(vPos, cVector2f(fWindowWidth, fWindowHeight), asLabel, NULL);
+
+	//////////////////////////
+	// Buttons
+	if (asButton2 == _W("")) {
+		vPos = cVector3f(fWindowWidth / 2 - 40, 50 + pFont->mvSize.y, 1);
+		mvButtons[0] = mpSet->CreateWidgetButton(vPos, cVector2f(80, 30), asButton1, mpWindow);
+		mvButtons[0]->AddCallback(eGuiMessage_ButtonPressed, this, kGuiCallback(ButtonPress));
+
+		mvButtons[1] = NULL;
+	} else {
+		vPos = cVector3f(fWindowWidth / 2 - (80 * 2 + 20) / 2, 50 + pFont->mvSize.y, 1);
+		mvButtons[0] = mpSet->CreateWidgetButton(vPos, cVector2f(80, 30), asButton1, mpWindow);
+		mvButtons[0]->AddCallback(eGuiMessage_ButtonPressed, this, kGuiCallback(ButtonPress));
+
+		vPos.x += 80 + 20;
+		mvButtons[1] = mpSet->CreateWidgetButton(vPos, cVector2f(80, 30), asButton2, mpWindow);
+		mvButtons[1]->AddCallback(eGuiMessage_ButtonPressed, this, kGuiCallback(ButtonPress));
+	}
+
+	//////////////////////////
+	// Label
+	vPos = cVector3f(20, 30, 1);
+	mpLabel = mpSet->CreateWidgetLabel(vPos, cVector2f(fWindowWidth - 10, pFont->mvSize.y),
+									   asText, mpWindow);
+
+	//////////////////////////
+	// Attention
+	mpPrevAttention = mpSet->GetAttentionWidget();
+	mpSet->SetAttentionWidget(mpWindow);
+}
+
+//-----------------------------------------------------------------------
+
+cGuiPopUpMessageBox::~cGuiPopUpMessageBox() {
+	if (mpWindow)
+		mpSet->DestroyWidget(mpWindow);
+	if (mvButtons[0])
+		mpSet->DestroyWidget(mvButtons[0]);
+	if (mvButtons[1])
+		mpSet->DestroyWidget(mvButtons[1]);
+	if (mpLabel)
+		mpSet->DestroyWidget(mpLabel);
+}
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PUBLIC METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PROTECTED METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+bool cGuiPopUpMessageBox::ButtonPress(iWidget *apWidget, cGuiMessageData &aData) {
+	int lButton = apWidget == mvButtons[0] ? 0 : 1;
+
+	mpSet->SetAttentionWidget(mpPrevAttention);
+
+	if (mpCallback && mpCallbackObject) {
+		cGuiMessageData data = cGuiMessageData(lButton);
+		mpCallback(mpCallbackObject, apWidget, data);
+	}
+
+	SelfDestruct();
+
+	return true;
+}
+kGuiCalllbackDeclaredFuncEnd(cGuiPopUpMessageBox, ButtonPress)
+
+//-----------------------------------------------------------------------
+
+} // namespace hpl