GUI: Make PopUpWidget clip

scummvm · Jul 3, 2016 · fca0f0e · fca0f0e
1 parent 8f2d35b
commit fca0f0e
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Showing 5 changed files with 69 additions and 13 deletions.
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
@@ -270,6 +270,8 @@ void ThemeItemDrawDataClip::drawSelf(bool draw, bool restore) {
 		}
 	}
 
+	extendedRect.clip(_clip);
+
 	_engine->addDirtyRect(extendedRect);
 }
 
@@ -1180,6 +1182,27 @@ void ThemeEngine::drawPopUpWidget(const Common::Rect &r, const Common::String &s
 	}
 }
 
+void ThemeEngine::drawPopUpWidgetClip(const Common::Rect &r, const Common::Rect &clip, const Common::String &sel, int deltax, WidgetStateInfo state, Graphics::TextAlign align) {
+	if (!ready())
+		return;
+
+	DrawData dd = kDDPopUpIdle;
+
+	if (state == kStateEnabled)
+		dd = kDDPopUpIdle;
+	else if (state == kStateHighlight)
+		dd = kDDPopUpHover;
+	else if (state == kStateDisabled)
+		dd = kDDPopUpDisabled;
+
+	queueDDClip(dd, r, clip);
+
+	if (!sel.empty()) {
+		Common::Rect text(r.left + 3, r.top + 1, r.right - 10, r.bottom);
+		queueDDTextClip(getTextData(dd), getTextColor(dd), text, clip, sel, true, false, _widgets[dd]->_textAlignH, _widgets[dd]->_textAlignV, deltax);
+	}
+}
+
 void ThemeEngine::drawSurface(const Common::Rect &r, const Graphics::Surface &surface, WidgetStateInfo state, int alpha, bool themeTrans) {
 	if (!ready())
 		return;
@@ -1210,6 +1233,29 @@ void ThemeEngine::drawWidgetBackground(const Common::Rect &r, uint16 hints, Widg
 	}
 }
 
+void ThemeEngine::drawWidgetBackgroundClip(const Common::Rect &r, const Common::Rect &clip, uint16 hints, WidgetBackground background, WidgetStateInfo state) {
+	if (!ready())
+		return;
+
+	switch (background) {
+	case kWidgetBackgroundBorderSmall:
+		queueDDClip(kDDWidgetBackgroundSmall, r, clip);
+		break;
+
+	case kWidgetBackgroundEditText:
+		queueDDClip(kDDWidgetBackgroundEditText, r, clip);
+		break;
+
+	case kWidgetBackgroundSlider:
+		queueDDClip(kDDWidgetBackgroundSlider, r, clip);
+		break;
+
+	default:
+		queueDDClip(kDDWidgetBackgroundDefault, r, clip);
+		break;
+	}
+}
+
 void ThemeEngine::drawTab(const Common::Rect &r, int tabHeight, int tabWidth, const Common::Array<Common::String> &tabs, int active, uint16 hints, int titleVPad, WidgetStateInfo state) {
 	if (!ready())
 		return;

diff --git a/gui/ThemeEngine.h b/gui/ThemeEngine.h
@@ -341,6 +341,9 @@ class ThemeEngine {
 	void drawWidgetBackground(const Common::Rect &r, uint16 hints,
 	                          WidgetBackground background = kWidgetBackgroundPlain, WidgetStateInfo state = kStateEnabled);
 
+	void drawWidgetBackgroundClip(const Common::Rect &r, const Common::Rect &clippingArea, uint16 hints,
+								WidgetBackground background = kWidgetBackgroundPlain, WidgetStateInfo state = kStateEnabled);
+
 	void drawButton(const Common::Rect &r, const Common::String &str,
 	                WidgetStateInfo state = kStateEnabled, uint16 hints = 0);
 
@@ -368,6 +371,8 @@ class ThemeEngine {
 
 	void drawPopUpWidget(const Common::Rect &r, const Common::String &sel,
 	                     int deltax, WidgetStateInfo state = kStateEnabled, Graphics::TextAlign align = Graphics::kTextAlignLeft);
+	void drawPopUpWidgetClip(const Common::Rect &r, const Common::Rect &clippingArea, const Common::String &sel,
+							int deltax, WidgetStateInfo state = kStateEnabled, Graphics::TextAlign align = Graphics::kTextAlignLeft);
 
 	void drawCaret(const Common::Rect &r, bool erase,
 	               WidgetStateInfo state = kStateEnabled);

diff --git a/gui/widget.cpp b/gui/widget.cpp
@@ -280,11 +280,8 @@ void StaticTextWidget::setAlign(Graphics::TextAlign align) {
 
 
 void StaticTextWidget::drawWidget() {
-	int px = _boss->getAbsX();
-	int py = _boss->getAbsY();
 	g_gui.theme()->drawTextClip(
-		Common::Rect(_x, _y, _x+_w, _y+_h),		
-		Common::Rect(px, py, px + _boss->getWidth(), py + _boss->getHeight()),
+		Common::Rect(_x, _y, _x+_w, _y+_h),	getBossClipRect(),
 		_label, _state, _align, ThemeEngine::kTextInversionNone, 0, true, _font
 	);
 }
@@ -324,12 +321,9 @@ void ButtonWidget::handleMouseDown(int x, int y, int button, int clickCount) {
 	setPressedState();
 }
 
-void ButtonWidget::drawWidget() {	
-	int px = _boss->getAbsX();
-	int py = _boss->getAbsY();
+void ButtonWidget::drawWidget() {
 	g_gui.theme()->drawButtonClip(
-		Common::Rect(_x, _y, _x + _w, _y + _h),
-		Common::Rect(px, py, px + _boss->getWidth(), py + _boss->getHeight()),
+		Common::Rect(_x, _y, _x + _w, _y + _h), getBossClipRect(),
 		_label, _state, getFlags()
 	);
 }

diff --git a/gui/widget.h b/gui/widget.h
@@ -112,6 +112,11 @@ class Widget : public GuiObject {
 
 	virtual int16	getAbsX() const	{ return _x + _boss->getChildX(); }
 	virtual int16	getAbsY() const	{ return _y + _boss->getChildY(); }
+	virtual Common::Rect getBossClipRect() const {
+		int px = _boss->getAbsX();
+		int py = _boss->getAbsY();
+		return Common::Rect(px, py, px + _boss->getWidth(), py + _boss->getHeight());
+	}
 
 	virtual void setPos(int x, int y) { _x = x; _y = y; }
 	virtual void setSize(int w, int h) { _w = w; _h = h; }

diff --git a/gui/widgets/popup.cpp b/gui/widgets/popup.cpp
@@ -150,7 +150,7 @@ PopUpDialog::PopUpDialog(PopUpWidget *boss, int clickX, int clickY)
 
 void PopUpDialog::drawDialog() {
 	// Draw the menu border
-	g_gui.theme()->drawWidgetBackground(Common::Rect(_x, _y, _x+_w, _y+_h), 0);
+	g_gui.theme()->drawWidgetBackgroundClip(Common::Rect(_x, _y, _x+_w, _y+_h), _popUpBoss->getBossClipRect(), 0);
 
 	/*if (_twoColumns)
 		g_gui.vLine(_x + _w / 2, _y, _y + _h - 2, g_gui._color);*/
@@ -364,8 +364,11 @@ void PopUpDialog::drawMenuEntry(int entry, bool hilite) {
 		// Draw a separator
 		g_gui.theme()->drawLineSeparator(Common::Rect(x, y, x+w, y+kLineHeight));
 	} else {
-		g_gui.theme()->drawText(Common::Rect(x+1, y+2, x+w, y+2+kLineHeight), name,	hilite ? ThemeEngine::kStateHighlight : ThemeEngine::kStateEnabled,
-								Graphics::kTextAlignLeft, ThemeEngine::kTextInversionNone, _leftPadding);
+		g_gui.theme()->drawTextClip(
+			Common::Rect(x+1, y+2, x+w, y+2+kLineHeight), _popUpBoss->getBossClipRect(),
+			name, hilite ? ThemeEngine::kStateHighlight : ThemeEngine::kStateEnabled,
+			Graphics::kTextAlignLeft, ThemeEngine::kTextInversionNone, _leftPadding
+		);
 	}
 }
 
@@ -470,7 +473,10 @@ void PopUpWidget::drawWidget() {
 	Common::String sel;
 	if (_selectedItem >= 0)
 		sel = _entries[_selectedItem].name;
-	g_gui.theme()->drawPopUpWidget(Common::Rect(_x, _y, _x + _w, _y + _h), sel, _leftPadding, _state, Graphics::kTextAlignLeft);
+	g_gui.theme()->drawPopUpWidgetClip(
+		Common::Rect(_x, _y, _x + _w, _y + _h), getBossClipRect(),
+		sel, _leftPadding, _state, Graphics::kTextAlignLeft
+	);
 }
 
 } // End of namespace GUI