Initial commit

gui/Tooltip.cpp

@@ -0,0 +1,101 @@
+/* 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/>.
+ *
+ */
+
+#include "common/util.h"
+#include "gui/widget.h"
+#include "gui/dialog.h"
+#include "gui/gui-manager.h"
+
+#include "gui/Tooltip.h"
+#include "gui/ThemeEval.h"
+
+namespace GUI {
+
+
+Tooltip::Tooltip() :
+	Dialog(-1, -1, -1, -1), _maxWidth(-1), _parent(nullptr), _xdelta(0), _ydelta(0), _xpadding(0), _ypadding(0) {
+
+	_backgroundType = GUI::ThemeEngine::kDialogBackgroundTooltip;
+}
+
+void Tooltip::setup(Dialog *parent, Widget *widget, int x, int y) {
+	assert(widget->hasTooltip());
+
+	_parent = parent;
+
+	setMouseUpdatedOnFocus(false);
+
+	_maxWidth = g_gui.xmlEval()->getVar("Globals.Tooltip.MaxWidth", 100);
+	_xdelta = g_gui.xmlEval()->getVar("Globals.Tooltip.XDelta", 0);
+	_ydelta = g_gui.xmlEval()->getVar("Globals.Tooltip.YDelta", 0);
+	_xpadding = g_gui.xmlEval()->getVar("Globals.Tooltip.XPadding", 2);
+	_ypadding = g_gui.xmlEval()->getVar("Globals.Tooltip.YPadding", 2);
+
+	const Graphics::Font *tooltipFont = g_gui.theme()->getFont(ThemeEngine::kFontStyleTooltip);
+
+	_wrappedLines.clear();
+	_w = tooltipFont->wordWrapText(widget->getTooltip(), _maxWidth - _xpadding * 2, _wrappedLines) + _xpadding * 2;
+	_h = (tooltipFont->getFontHeight() + 2) * _wrappedLines.size() + _ypadding * 2;
+
+	_x = MIN<int16>(parent->_x + x + _xdelta + _xpadding, g_system->getOverlayWidth() - _w - _xpadding * 2);
+	_y = MIN<int16>(parent->_y + y + _ydelta + _ypadding, g_system->getOverlayHeight() - _h - _ypadding * 2);
+
+	if (ConfMan.hasKey("tts_enabled", "scummvm") &&
+			ConfMan.getBool("tts_enabled", "scummvm")) {
+		Common::TextToSpeechManager *ttsMan = g_system->getTextToSpeechManager();
+		if (ttsMan == nullptr)
+			return;
+		ttsMan->say(widget->getTooltip(), Common::TextToSpeechManager::QUEUE_NO_REPEAT);
+	}
+}
+
+void Tooltip::drawDialog(DrawLayer layerToDraw) {
+	int num = 0;
+	int h = g_gui.theme()->getFontHeight(ThemeEngine::kFontStyleTooltip) + 2;
+
+	Dialog::drawDialog(layerToDraw);
+
+	int16 textX = _x + 1 + _xpadding;
+	if (g_gui.useRTL()) {
+		textX = g_system->getOverlayWidth() - _w - textX;
+	}
+
+	int16 textY = _y + 1 + _ypadding;
+
+	Graphics::TextAlign textAlignment = g_gui.useRTL() ? Graphics::kTextAlignRight : Graphics::kTextAlignLeft;
+
+	for (Common::U32StringArray::const_iterator i = _wrappedLines.begin(); i != _wrappedLines.end(); ++i, ++num) {
+		g_gui.theme()->drawText(
+			Common::Rect(textX, textY + num * h, textX + _w, textY + (num + 1) * h),
+			*i,
+			ThemeEngine::kStateEnabled,
+			textAlignment,
+			ThemeEngine::kTextInversionNone,
+			0,
+			false,
+			ThemeEngine::kFontStyleTooltip,
+			ThemeEngine::kFontColorNormal,
+			false
+		);
+	}
+}
+
+}