Fixed bug 2820514 ("Help dialog causes crash")

svn-id: r42537

engines/scumm/dialogs.cpp

@@ -641,6 +641,8 @@ HelpDialog::HelpDialog(const GameSettings &game)
 	new GUI::ButtonWidget(this, "ScummHelp.Close", "Close", kCloseCmd, 'C');
 	_prevButton->clearFlags(WIDGET_ENABLED);
 
+    _numLines = HELP_NUM_LINES;
+
 	// Dummy entries
 	for (int i = 0; i < HELP_NUM_LINES; i++) {
 		_key[i] = new StaticTextWidget(this, 0, 0, 10, 10, "", Graphics::kTextAlignRight);
@@ -658,15 +660,20 @@ void HelpDialog::reflowLayout() {
 
 	g_gui.xmlEval()->getWidgetData("ScummHelp.HelpText", x, y, w, h);
 
+    /* Make sure than we don't have more lines than what we can fit
+     * on the space that the layout reserves for text */
+    _numLines = MIN(HELP_NUM_LINES, (int)(h / lineHeight));
+
+
 	int keyW = w * 20 / 100;
 	int dscX = x + keyW + 32;
 	int dscW = w * 80 / 100;
 
 	int xoff = (_w >> 1) - (w >> 1);
 
-	for (int i = 0; i < HELP_NUM_LINES; i++) {
-		_key[i]->resize(xoff + x, y + lineHeight * i, keyW, lineHeight + 2);
-		_dsc[i]->resize(xoff + dscX, y + lineHeight * i, dscW, lineHeight + 2);
+	for (int i = 0; i < _numLines; i++) {
+		_key[i]->resize(xoff + x, y + lineHeight * i, keyW, lineHeight);
+		_dsc[i]->resize(xoff + dscX, y + lineHeight * i, dscW, lineHeight);
 	}
 
 	displayKeyBindings();
@@ -675,6 +682,7 @@ void HelpDialog::reflowLayout() {
 void HelpDialog::displayKeyBindings() {
 
 	String titleStr, *keyStr, *dscStr;
+    int i;
 
 #ifndef __DS__
 	ScummHelp::updateStrings(_game.id, _game.version, _game.platform, _page, titleStr, keyStr, dscStr);
@@ -684,7 +692,7 @@ void HelpDialog::displayKeyBindings() {
 #endif
 
 	_title->setLabel(titleStr);
-	for (int i = 0; i < HELP_NUM_LINES; i++) {
+	for (i = 0; i < _numLines; i++) {
 		_key[i]->setLabel(keyStr[i]);
 		_dsc[i]->setLabel(dscStr[i]);
 	}

engines/scumm/dialogs.h

@@ -124,6 +124,7 @@ protected:
 
 	int _page;
 	int _numPages;
+    int _numLines;
 
 	const GameSettings _game;
 

graphics/VectorRendererSpec.cpp

@@ -596,8 +596,6 @@ drawSquare(int x, int y, int w, int h) {
 template<typename PixelType>
 void VectorRendererSpec<PixelType>::
 drawRoundedSquare(int x, int y, int r, int w, int h) {
-	x++; y++; w--; h--;
-
 	if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h ||
 		w <= 0 || h <= 0 || x < 0 || y < 0 || r <= 0)
 		return;
@@ -606,8 +604,8 @@ drawRoundedSquare(int x, int y, int r, int w, int h) {
 		r = MIN(w /2, h / 2);
 
 	if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
-		&& x + w + Base::_shadowOffset < Base::_activeSurface->w
-		&& y + h + Base::_shadowOffset < Base::_activeSurface->h) {
+		&& x + w + Base::_shadowOffset + 1 < Base::_activeSurface->w
+		&& y + h + Base::_shadowOffset + 1 < Base::_activeSurface->h) {
 		drawRoundedSquareShadow(x, y, r, w, h, Base::_shadowOffset);
 	}
 
@@ -922,13 +920,11 @@ drawBevelSquareAlg(int x, int y, int w, int h, int bevel, PixelType top_color, P
 
 	int i, j;
 
-#if 0
 	x = MAX(x - bevel, 0);
 	y = MAX(y - bevel, 0);
 
-	w = w + (bevel * 2);
-	h = h + (bevel * 2);
-#endif
+	w = MIN(w + (bevel * 2), (int)_activeSurface->w);
+	h = MIN(h + (bevel * 2), (int)_activeSurface->h);
 
 	PixelType *ptr_left = (PixelType *)_activeSurface->getBasePtr(x, y);
 

gui/themes/scummclassic/classic_layout.stx

@@ -54,7 +54,7 @@
 		/>
 			
 		<widget name = 'Button'
-				size = '112, 28'
+				size = '108, 24'
 		/>
 		<widget name = 'Slider'
 				size = '128, 18'
@@ -115,31 +115,31 @@
 			<widget name = 'GameList'/>
 			<layout type = 'horizontal' padding = '0, 0, 0, 0' spacing = '10'>
 				<widget name = 'LoadGameButton' 
-						height = '24' 
+						height = '20' 
 				/>
 				<widget name = 'AddGameButton' 
-						height = '24'
+						height = '20'
 				/>
 				<widget name = 'EditGameButton' 
-						height = '24'
+						height = '20'
 				/>
 				<widget name = 'RemoveGameButton' 
-						height = '24'
+						height = '20'
 				/>
 			</layout>
 			<space size = '4'/>
 			<layout type = 'horizontal' padding = '0, 0, 0, 0' spacing = '10'>
 				<widget name = 'QuitButton' 
-						height = '24'
+						height = '20'
 				/>
 				<widget name = 'AboutButton' 
-						height = '24'
+						height = '20'
 				/>
 				<widget name = 'OptionsButton' 
-						height = '24'
+						height = '20'
 				/>
 				<widget name = 'StartButton' 
-						height = '24'
+						height = '20'
 				/>
 			</layout>
 		</layout>
@@ -745,7 +745,7 @@
 					height = 'Globals.Line.Height'
 			/>
 			<widget name = 'HelpText'
-					height = '220'
+					height = '200'
 			/>
 			<layout type = 'horizontal' padding = '0, 0, 16, 0'>
 				<widget name = 'Prev'

gui/themes/scummclassic/classic_layout_lowres.stx

@@ -744,7 +744,7 @@
 	</dialog>
 
 	<dialog name = 'ScummHelp' overlays = 'screen'>
-		<layout type = 'vertical' padding = '8, 8, 0, 0'>
+		<layout type = 'vertical' padding = '8, 8, 8, 8'>
 			<widget name = 'Title'
 					width = '180'
 					height = 'Globals.Line.Height'

gui/themes/scummmodern/scummmodern_layout_lowres.stx

@@ -732,14 +732,14 @@
 		</layout>
 	</dialog>
 
-	<dialog name = 'ScummHelp' overlays = 'screen'>
-		<layout type = 'vertical' padding = '8, 8, 0, 0'>
+	<dialog name = 'ScummHelp' overlays = 'screen' inset = '8'>
+		<layout type = 'vertical' padding = '8, 8, 8, 8'>
 			<widget name = 'Title'
 					width = '180'
 					height = 'Globals.Line.Height'
 			/>
 			<widget name = 'HelpText'
-					height = '140'
+					height = '130'
 			/>
 			<layout type = 'horizontal' padding = '0, 0, 0, 0'>
 				<widget name = 'Prev'