Fix SpinBox widget drawing

The theme engine is now almost usable under simple Qt4 apps such as vlc

2 files changed, 108 insertions, 14 deletions

diff --git a/plugin/simplestyle.cpp b/plugin/simplestyle.cpp
index dcba17a..b52999a 100644
--- a/plugin/simplestyle.cpp
+++ b/plugin/simplestyle.cpp
@@ -35,9 +35,15 @@
 #include <qtitlebar_p.h>
 #undef Qt
 
+// HACK to gain access to QSpinBox QLineEdit object
+#define protected public
+
 #include <QtGui/QtGui>
 #include <QtGui/QX11Info>
 
+// HACK
+#undef protected
+
 #include "simplestyle.h"
 #include "tdeqt4painter.h"
 
@@ -605,6 +611,7 @@ SimpleStyle::SimpleStyle()
 	m_tqt3slider_widget = new TQSlider(m_tqt3parent_widget);
 	m_tqt3scrollbar_widget = new TQScrollBar(m_tqt3parent_widget);
 	m_tqt3spinbox_widget = new TQSpinBox(m_tqt3parent_widget);
+	m_tqt3spinwidget_widget = new TQSpinWidget(m_tqt3parent_widget);
 	m_tqt3window_widget = new TQWidget(m_tqt3parent_widget);
 	m_tqt3titlebar_widget = new TQTitleBar(m_tqt3window_widget, m_tqt3parent_widget);
 	m_tqt3menubar_widget = new TQMenuBar(m_tqt3parent_widget);
@@ -625,6 +632,7 @@ SimpleStyle::~SimpleStyle()
 // 	delete m_tqt3slider_widget;
 // 	delete m_tqt3scrollbar_widget;
 // 	delete m_tqt3spinbox_widget;
+// 	delete m_tqt3spinwidget_widget;
 // 	delete m_tqt3window_widget;
 // 	delete m_tqt3titlebar_widget;
 // 	delete m_tqt3menubar_widget;
@@ -1125,6 +1133,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			// Copy over all widget attributes
 			qt4progressbar_widget = dynamic_cast<const QProgressBar*>(w);
 			m_tqt3progressbar_widget->setGeometry(0, 0, qt4progressbar_widget->width(), qt4progressbar_widget->height());
+			m_tqt3progressbar_widget->setEnabled(qt4progressbar_widget->isEnabled());
 			m_tqt3progressbar_widget->setProgress(qt4progressbar_widget->value()-qt4progressbar_widget->minimum(),qt4progressbar_widget->maximum()-qt4progressbar_widget->minimum());
 			if (qt4progressbar_widget->orientation() != Qt::Horizontal) {
 				// Qt3 cannot draw vertical progress bars
@@ -1140,6 +1149,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			qt4tabbar_widget = dynamic_cast<const QTabBar*>(w);
 			if (qt4tabbar_widget) {
 				m_tqt3tabbar_widget->setGeometry(0, 0, qt4tabbar_widget->width(), qt4tabbar_widget->height());
+				m_tqt3tabbar_widget->setEnabled(qt4tabbar_widget->isEnabled());
 				// Clear out tabbar
 				for (i=0;i<m_tqt3tabbar_widget->count();i++) {
 					m_tqt3tabbar_widget->removeTab(m_tqt3tabbar_widget->tabAt(i));
@@ -1192,6 +1202,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			// Copy over all widget attributes
 			qt4radiobutton_widget = dynamic_cast<const QRadioButton*>(w);
 			m_tqt3radiobutton_widget->setGeometry(0, 0, qt4radiobutton_widget->width(), qt4radiobutton_widget->height());
+			m_tqt3radiobutton_widget->setEnabled(qt4radiobutton_widget->isEnabled());
 			m_tqt3radiobutton_widget->setText(convertQt4ToTQt3String(qt4radiobutton_widget->text()));
 			m_tqt3radiobutton_widget->setDown(qt4radiobutton_widget->isDown());
 			break;
@@ -1200,6 +1211,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			// Copy over all widget attributes
 			qt4combobox_widget = dynamic_cast<const QComboBox*>(w);
 			m_tqt3combobox_widget->setGeometry(0, 0, qt4combobox_widget->width(), qt4combobox_widget->height());
+			m_tqt3combobox_widget->setEnabled(qt4combobox_widget->isEnabled());
 			// Clear out all combobox items
 			m_tqt3combobox_widget->clear();
 
@@ -1218,6 +1230,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			// Copy over all widget attributes
 			qt4menu_widget = dynamic_cast<const QMenu*>(w);
 			m_tqt3popupmenu_widget->setGeometry(0, 0, qt4menu_widget->width(), qt4menu_widget->height());
+			m_tqt3popupmenu_widget->setEnabled(qt4menu_widget->isEnabled());
 			// Clear out menu
 			m_tqt3popupmenu_widget->clear();
 			m_tqt3popupmenu_widget->setCheckable(false);
@@ -1254,6 +1267,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			// Copy over all widget attributes
 			qt4menubar_widget = dynamic_cast<const QMenuBar*>(w);
 			m_tqt3menubar_widget->setGeometry(0, 0, qt4menubar_widget->width(), qt4menubar_widget->height());
+			m_tqt3menubar_widget->setEnabled(qt4menubar_widget->isEnabled());
 			// Clear out menu
 			m_tqt3menubar_widget->clear();
 			// Copy over all menu items
@@ -1287,6 +1301,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			qt4slider_widget = dynamic_cast<const QSlider*>(w);
 			if (qt4slider_widget) {
 				m_tqt3slider_widget->setGeometry(0, 0, qt4slider_widget->width(), qt4slider_widget->height());
+				m_tqt3slider_widget->setEnabled(qt4slider_widget->isEnabled());
 				m_tqt3slider_widget->setOrientation(convertQt4ToTQt3Orientation(qt4slider_widget->orientation()));
 				m_tqt3slider_widget->setTracking(qt4slider_widget->hasTracking());
 // 				m_tqt3slider_widget->setPalette();	// FIXME
@@ -1311,6 +1326,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			qt4scrollbar_widget = dynamic_cast<const QScrollBar*>(w);
 			if (qt4scrollbar_widget) {
 				m_tqt3scrollbar_widget->setGeometry(0, 0, qt4scrollbar_widget->width(), qt4scrollbar_widget->height());
+				m_tqt3scrollbar_widget->setEnabled(qt4scrollbar_widget->isEnabled());
 				m_tqt3scrollbar_widget->setOrientation(convertQt4ToTQt3Orientation(qt4scrollbar_widget->orientation()));
 				m_tqt3scrollbar_widget->setTracking(qt4scrollbar_widget->hasTracking());
 				m_tqt3scrollbar_widget->setMinValue(qt4scrollbar_widget->minimum());
@@ -1332,6 +1348,7 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 			qt4spinbox_widget = dynamic_cast<const QSpinBox*>(w);
 			if (qt4spinbox_widget) {
 				m_tqt3spinbox_widget->setGeometry(0, 0, qt4spinbox_widget->width(), qt4spinbox_widget->height());
+				m_tqt3spinbox_widget->setEnabled(qt4spinbox_widget->isEnabled());
 				m_tqt3spinbox_widget->setMinValue(qt4spinbox_widget->minimum());
 				m_tqt3spinbox_widget->setMaxValue(qt4spinbox_widget->maximum());
 				m_tqt3spinbox_widget->setLineStep(qt4spinbox_widget->singleStep());
@@ -1344,6 +1361,26 @@ TQWidget* SimpleStyle::initializeInterfaceWidget(TQt3WidgetType wt, const QWidge
 #endif
 			}
 			break;
+		case TQT3WT_TQSpinWidget:
+			interfaceWidget = m_tqt3spinwidget_widget;
+			// Copy over all widget attributes
+			qt4spinbox_widget = dynamic_cast<const QSpinBox*>(w);
+			if (qt4spinbox_widget) {
+				m_tqt3spinbox_widget->setGeometry(0, 0, qt4spinbox_widget->width(), qt4spinbox_widget->height());
+				m_tqt3spinbox_widget->setEnabled(qt4spinbox_widget->isEnabled());
+				// FIXME
+// 				m_tqt3spinbox_widget->setMinValue(qt4spinbox_widget->minimum());
+// 				m_tqt3spinbox_widget->setMaxValue(qt4spinbox_widget->maximum());
+// 				m_tqt3spinbox_widget->setLineStep(qt4spinbox_widget->singleStep());
+// 				m_tqt3spinbox_widget->setValue(qt4spinbox_widget->value());
+			}
+			else {
+#ifdef DEBUG_WARNINGS
+				printf("Unable to draw Qt4 spinbox with no Qt4 object available\n\r"); fflush(stdout);
+				interfaceWidget = 0;
+#endif
+			}
+			break;
 		case TQT3WT_TQTitleBar:
 			interfaceWidget = m_tqt3titlebar_widget;
 			qt4titlebar_options = static_cast<const QStyleOptionTitleBar*>(qt4styleoptions);
@@ -1406,6 +1443,7 @@ void SimpleStyle::drawComplexControl(ComplexControl control, const QStyleOptionC
 
 	bool can_override = true;
 	TQStyle::ComplexControl tqtCC;
+
 	TQStyle::SCFlags subControl = TQStyle::SC_All;
 	TQStyle::SCFlags subControlActive = TQStyle::SC_None;
 
@@ -1461,17 +1499,13 @@ void SimpleStyle::drawComplexControl(ComplexControl control, const QStyleOptionC
 				can_override = false;
 			}
 			break;
-// 		case CC_SpinBox:
-// 			// FIXME FIXME FIXME
-// 			// This is more complex to interface with
-// 			// Under TQt3 there is an internal SpinWidget, and the SpinBox draws the editor through another call
-// 			// Under Qt4 there is only the SpinBox, and we would need to draw both the SpinWidget and the editor
-// 			tqtCC = TQStyle::CC_SpinWidget;
-// 			interfaceWidget = initializeInterfaceWidget(TQT3WT_TQSpinBox, w);
-// 			if (interfaceWidget == 0) {
-// 				can_override = false;
-// 			}
-// 			break;
+		case CC_SpinBox:
+			tqtCC = TQStyle::CC_SpinWidget;
+			interfaceWidget = initializeInterfaceWidget(TQT3WT_TQSpinWidget, w);
+			if (interfaceWidget == 0) {
+				can_override = false;
+			}
+			break;
 		case CC_TitleBar:
 			tqtCC = TQStyle::CC_TitleBar;
 			interfaceWidget = initializeInterfaceWidget(TQT3WT_TQTitleBar, w, opt);
@@ -1574,6 +1608,15 @@ void SimpleStyle::drawComplexControl(ComplexControl control, const QStyleOptionC
 
 		TQPainter tqtPainter(&qt4pd);
 
+		if (tqtCC == TQStyle::CC_ComboBox) {
+			// TQt3 expects the Style_MouseOver flag to be cleared if the certain widgets have been disabled
+			if (interfaceWidget) {
+				if (interfaceWidget->isEnabled() == false) {
+					sflags = sflags & (~TQStyle::Style_MouseOver);
+				}
+			}
+		}
+
 		if (tqtCC == TQStyle::CC_TitleBar) {
 			// TQt3 is expecting to see a rect() from the titlebar that excludes the window frame,
 			// while Qt4 provides the entire rectangle (including the frame) via the widget/QStyleOptionTitleBar
@@ -1586,9 +1629,35 @@ void SimpleStyle::drawComplexControl(ComplexControl control, const QStyleOptionC
 			}
 		}
 
+		if (tqtCC == TQStyle::CC_SpinWidget) {
+			// Qt4 expects both the lineedit and the spinbox outside frame to be drawn
+			// Draw the outside frame before the spinbox buttons are drawn
+			tqApp->style().drawPrimitive(TQStyle::PE_PanelLineEdit, &tqtPainter, tqt3rect, tqt3colorgroup, sflags, tqt3opt);
+		}
+
 		// Instruct TQt3 to draw the complex control
 		tqApp->style().drawComplexControl(tqtCC, &tqtPainter, interfaceWidget, tqt3rect, tqt3colorgroup, sflags, subControl, subControlActive, tqt3opt);
 
+		if (tqtCC == TQStyle::CC_SpinWidget) {
+			// Paint the spinbox's editor widget over the outside frame (outside the spinbutton area)
+			const QSpinBox* sbWidget = dynamic_cast<const QSpinBox*>(w);
+			if (sbWidget) {
+				QLineEdit* sbLineEdit = sbWidget->lineEdit();
+				QRect sbleRect = sbLineEdit->geometry();
+				tqtPainter.setClipRect(tqt3rect.x(),tqt3rect.y(),sbleRect.x()+sbleRect.width(),tqt3rect.height());
+				p->fillRect(sbleRect,convertTQt3ToQt4Color(tqt3colorgroup.base()));
+			}
+#ifdef DEBUG_WARNINGS
+			else {
+				printf("Unable to draw Qt4 spinbox with no Qt4 object available\n\r"); fflush(stdout);
+			}
+#endif
+
+			// Now draw the outside frame again, but clipped to the editor widget side of the spinwidget this time
+			// This fixes drawing glitches inside of the editor widget while leaving the spinbutton area untouched
+			tqApp->style().drawPrimitive(TQStyle::PE_PanelLineEdit, &tqtPainter, tqt3rect, tqt3colorgroup, sflags, tqt3opt);
+		}
+
 		tqtPainter.end();
 
 #ifdef DEBUG_WARNINGS
@@ -1882,6 +1951,7 @@ void SimpleStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QP
 
 	bool can_override = true;
 	bool do_not_draw = false;
+	bool draw_transparent_background = false;
 	TQStyle::PrimitiveElement tqtPE;
 	TQStyleOption tqt3opt(TQStyleOption::Default);
 
@@ -1987,7 +2057,15 @@ void SimpleStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QP
 			NO_QT3_EQUIVALENT
 			break;
 		case QStyle::PE_PanelLineEdit:
-			NO_QT3_EQUIVALENT
+			// Under Qt4 this draws both the panel and the frame
+			// Under TQt3 it only draws the frame
+			// See resultant background fill routine directly before drawPrimitive below
+			// Also, the given rectangle is only valid for LineEdit widgets without a parent QSpinBox, QComboBox, or similar widget
+			// For those widgets we must draw a transparent background
+			tqtPE = TQStyle::PE_PanelLineEdit;
+			if (dynamic_cast<QSpinBox*>(w->parent()) || dynamic_cast<QComboBox*>(w->parent())) {
+				draw_transparent_background = true;
+			}
 			break;
 		// Qt3 support elements
 		case QStyle::PE_Q3Separator:
@@ -2018,15 +2096,28 @@ void SimpleStyle::drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QP
 		tqt3colorgroup = tqt3palette.disabled();
 	}
 
-
 	if (can_override) {
 		// Construct a Qt3 paint device on the Qt4 painter
 		TDEQt4PaintDevice qt4pd(p);
 
 		TQPainter tqtPainter(&qt4pd);
 
+		// Certain primitives require additional drawing operations that Qt4 now expects
+		if (tqtPE == TQStyle::PE_PanelLineEdit) {
+			if (draw_transparent_background == false) {
+				// Tell Qt4 to draw the background
+				QCommonStyle::drawPrimitive(pe, opt, p, w);
+			}
+			else {
+				p->fillRect(opt->rect, Qt::transparent);
+			}
+		}
+
 		// Instruct TQt3 to draw the primitive
-		tqApp->style().drawPrimitive(tqtPE, &tqtPainter, tqt3paintrect, tqt3colorgroup, sflags, tqt3opt);
+		if (!((tqtPE == TQStyle::PE_PanelLineEdit) && (draw_transparent_background == true))) {
+			tqApp->style().drawPrimitive(tqtPE, &tqtPainter, tqt3paintrect, tqt3colorgroup, sflags, tqt3opt);
+		}
+
 		tqtPainter.end();
 
 #ifdef DEBUG_WARNINGS
diff --git a/plugin/simplestyle.h b/plugin/simplestyle.h
index 87c166c..561b660 100644
--- a/plugin/simplestyle.h
+++ b/plugin/simplestyle.h
@@ -34,6 +34,7 @@ class TQComboBox;
 class TQSlider;
 class TQScrollBar;
 class TQSpinBox;
+class TQSpinWidget;
 class TQTitleBar;
 class TQMenuBar;
 
@@ -47,6 +48,7 @@ enum TQt3WidgetType {
 	TQT3WT_TQSlider,
 	TQT3WT_TQScrollBar,
 	TQT3WT_TQSpinBox,
+	TQT3WT_TQSpinWidget,
 	TQT3WT_TQTitleBar,
 	TQT3WT_TQMenuBar
 };
@@ -84,6 +86,7 @@ private:
     TQSlider* m_tqt3slider_widget;
     TQScrollBar* m_tqt3scrollbar_widget;
     TQSpinBox* m_tqt3spinbox_widget;
+    TQSpinWidget* m_tqt3spinwidget_widget;
     TQWidget* m_tqt3window_widget;
     TQTitleBar* m_tqt3titlebar_widget;
     TQMenuBar* m_tqt3menubar_widget;