kxkb: transparent indicator background feature

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
(cherry picked from commit d048506bb65a3f77102f07f54c7bfc16c80e003e)

6 files changed, 162 insertions, 98 deletions

diff --git a/kxkb/kcmlayout.cpp b/kxkb/kcmlayout.cpp
index 682ea10da..a022b6389 100644
--- a/kxkb/kcmlayout.cpp
+++ b/kxkb/kcmlayout.cpp
@@ -237,10 +237,17 @@ void LayoutConfig::initUI() {
 	widget->grpLabel->setButton( ( m_kxkbConfig.m_useThemeColors ? 0 : 1 )  );
 	widget->bgColor->setColor( m_kxkbConfig.m_colorBackground );
 	widget->fgColor->setColor( m_kxkbConfig.m_colorLabel );
+	widget->chkBgTransparent->setChecked( m_kxkbConfig.m_bgTransparent );
 	widget->labelFont->setFont( m_kxkbConfig.m_labelFont );
 	widget->chkLabelShadow->setChecked( m_kxkbConfig.m_labelShadow );
 	widget->shColor->setColor( m_kxkbConfig.m_colorShadow );
 
+	widget->grpLabel->setDisabled(showFlag && !showLabel);
+	widget->grpLabelColors->setDisabled(m_kxkbConfig.m_useThemeColors);
+	widget->labelBgColor->setDisabled(showFlag);
+	widget->bgColor->setDisabled(showFlag);
+	widget->chkBgTransparent->setDisabled(showFlag);
+
 	switch( m_kxkbConfig.m_switchingPolicy ) {
 		default:
 		case SWITCH_POLICY_GLOBAL:
@@ -303,6 +310,7 @@ void LayoutConfig::save()
 	m_kxkbConfig.m_useThemeColors = widget->radLabelUseTheme->isChecked();
 	m_kxkbConfig.m_colorBackground = widget->bgColor->color();
 	m_kxkbConfig.m_colorLabel = widget->fgColor->color();
+	m_kxkbConfig.m_bgTransparent = widget->chkBgTransparent->isChecked();
 	m_kxkbConfig.m_labelFont = widget->labelFont->font();
 	m_kxkbConfig.m_labelShadow = widget->chkLabelShadow->isChecked();
 	m_kxkbConfig.m_colorShadow = widget->shColor->color();
diff --git a/kxkb/kcmlayoutwidget.ui b/kxkb/kcmlayoutwidget.ui
index dc3350a87..e8dcc3a9e 100644
--- a/kxkb/kcmlayoutwidget.ui
+++ b/kxkb/kcmlayoutwidget.ui
@@ -545,96 +545,108 @@
                                             <bool>false</bool>
                                         </property>
                                     </widget>
-                                    <spacer row="2" column="0">
+                                    <widget class="TQFrame" row="2" column="0" colspan="3">
                                         <property name="name">
-                                            <cstring>spacer2</cstring>
-                                        </property>
-                                        <property name="orientation">
-                                            <enum>Horizontal</enum>
-                                        </property>
-                                        <property name="sizeType">
-                                            <enum>Fixed</enum>
-                                        </property>
-                                        <property name="sizeHint">
-                                        <size>
-                                          <width>20</width>
-                                          <height>20</height>
-                                        </size>
-                                      </property>
-                                    </spacer>
-                                    <widget class="TQLabel" row="2" column="1">
-                                        <property name="name">
-                                            <cstring>labelBgColor</cstring>
-                                        </property>
-                                        <property name="text">
-                                            <string>Background color:</string>
-                                        </property>
-                                        <property name="whatsThis" stdset="0">
-                                            <string>This color will be used as the indicator's background unless the indicator was set to display a flag.</string>
-                                        </property>
-                                        <property name="enabled">
-                                            <bool>false</bool>
-                                        </property>
+                                            <cstring>grpLabelColors</cstring>
+                                        </property>
+                                        <property name="frameShape">
+                                            <enum>NoFrame</enum>
+                                        </property>
+                                        <property name="frameShadow">
+                                            <enum>Plain</enum>
+                                        </property>
+                                        <grid>
+                                            <spacer row="0" column="0">
+                                                <property name="name">
+                                                    <cstring>spacer2</cstring>
+                                                </property>
+                                                <property name="orientation">
+                                                    <enum>Horizontal</enum>
+                                                </property>
+                                                <property name="sizeType">
+                                                    <enum>Fixed</enum>
+                                                </property>
+                                                <property name="sizeHint">
+                                                    <size>
+                                                        <width>20</width>
+                                                        <height>20</height>
+                                                    </size>
+                                                </property>
+                                            </spacer>
+                                            <widget class="TQLabel" row="0" column="1">
+                                                <property name="name">
+                                                    <cstring>labelBgColor</cstring>
+                                                </property>
+                                                <property name="text">
+                                                    <string>Background color:</string>
+                                                </property>
+                                                <property name="whatsThis" stdset="0">
+                                                    <string>This color will be used as the indicator's background unless the indicator was set to display a flag.</string>
+                                                </property>
+                                            </widget>
+                                            <widget class="KColorButton" row="0" column="2">
+                                                <property name="name">
+                                                    <cstring>bgColor</cstring>
+                                                </property>
+                                                <property name="whatsThis" stdset="0">
+                                                    <string>This color will be used as the indicator's background unless the indicator was set to display a flag.</string>
+                                                </property>
+                                            </widget>
+                                            <spacer row="1" column="0">
+                                                <property name="name">
+                                                    <cstring>spacer2</cstring>
+                                                </property>
+                                                <property name="orientation">
+                                                    <enum>Horizontal</enum>
+                                                </property>
+                                                <property name="sizeType">
+                                                    <enum>Fixed</enum>
+                                                </property>
+                                                <property name="sizeHint">
+                                                    <size>
+                                                        <width>20</width>
+                                                        <height>20</height>
+                                                    </size>
+                                                </property>
+                                            </spacer>
+                                            <widget class="TQLabel" row="1" column="1">
+                                                <property name="name">
+                                                    <cstring>labelFgColor</cstring>
+                                                </property>
+                                                <property name="text">
+                                                    <string>Text color:</string>
+                                                </property>
+                                                <property name="whatsThis" stdset="0">
+                                                    <string>This color will be used to draw the language label on the indicator.</string>
+                                                </property>
+                                            </widget>
+                                            <widget class="KColorButton" row="1" column="2">
+                                                <property name="name">
+                                                    <cstring>fgColor</cstring>
+                                                </property>
+                                              <property name="whatsThis" stdset="0">
+                                                  <string>This color will be used to draw the language label on the indicator.</string>
+                                              </property>
+                                            </widget>
+                                        </grid>
                                     </widget>
-                                    <widget class="KColorButton" row="2" column="2">
+                                    <widget class="TQCheckBox" row="4" column="0" rowspan="1" colspan="3">
                                         <property name="name">
-                                            <cstring>bgColor</cstring>
-                                        </property>
-                                        <property name="whatsThis" stdset="0">
-                                            <string>This color will be used as the indicator's background unless the indicator was set to display a flag.</string>
-                                        </property>
-                                        <property name="enabled">
-                                            <bool>false</bool>
-                                        </property>
-                                    </widget>
-                                    <spacer row="3" column="0">
-                                        <property name="name">
-                                            <cstring>spacer2</cstring>
-                                        </property>
-                                        <property name="orientation">
-                                           <enum>Horizontal</enum>
-                                        </property>
-                                        <property name="sizeType">
-                                            <enum>Fixed</enum>
-                                        </property>
-                                        <property name="sizeHint">
-                                            <size>
-                                                <width>20</width>
-                                                <height>20</height>
-                                            </size>
-                                        </property>
-                                    </spacer>
-                                    <widget class="TQLabel" row="3" column="1">
-                                        <property name="name">
-                                            <cstring>labelFgColor</cstring>
+                                            <cstring>chkBgTransparent</cstring>
                                         </property>
                                         <property name="text">
-                                            <string>Text color:</string>
+                                            <string>Transparent background</string>
                                         </property>
                                         <property name="whatsThis" stdset="0">
-                                            <string>This color will be used to draw the language label on the indicator.</string>
-                                        </property>
-                                        <property name="enabled">
-                                            <bool>false</bool>
+                                            <string>Check this to remove the indicator's background. Only applicable in "Label only" mode.</string>
                                         </property>
                                     </widget>
-                                    <widget class="KColorButton" row="3" column="2">
-                                        <property name="name">
-                                            <cstring>fgColor</cstring>
-                                        </property>
-                                        <property name="whatsThis" stdset="0">
-                                            <string>This color will be used to draw the language label on the indicator.</string>
-                                        </property>
-                                        <property name="enabled">
-                                            <bool>false</bool>
-                                        </property>
-                                    </widget>
-                                    <widget class="KSeparator" row="4" column="0" rowspan="1" colspan="3">
+                                    <widget class="KSeparator" row="5" column="0" rowspan="1" colspan="3">
                                         <property name="name">
                                             <cstring>separator1</cstring>
                                         </property>
                                     </widget>
-                                    <widget class="TQLabel" row="5" column="0" rowspan="1" colspan="2">
+                                    <widget class="TQLabel" row="6" column="0" rowspan="1">
                                         <property name="name">
                                             <cstring>labelFontRequester</cstring>
                                         </property>
@@ -645,12 +657,12 @@
                                             <string>This is the font which will be used by the layout indicator to draw the label.</string>
                                         </property>
                                     </widget>
-                                    <widget class="TDEFontRequester" row="5" column="2">
+                                    <widget class="TDEFontRequester" row="6" column="2">
                                         <property name="name">
                                             <cstring>labelFont</cstring>
                                         </property>
                                     </widget>
-                                    <widget class="TQCheckBox" row="6" column="0" rowspan="1" colspan="2">
+                                    <widget class="TQCheckBox" row="7" column="0" rowspan="1" colspan="2">
                                         <property name="name">
                                             <cstring>chkLabelShadow</cstring>
                                         </property>
@@ -661,7 +673,7 @@
                                             <string>Draw a drop shadow behind the language label. In some cases this option can improve readability.</string>
                                         </property>
                                     </widget>
-                                    <widget class="KColorButton" row="6" column="2">
+                                    <widget class="KColorButton" row="7" column="2">
                                         <property name="name">
                                             <cstring>shColor</cstring>
                                         </property>
@@ -920,38 +932,56 @@
     <connection>
         <sender>radLabelUseCustom</sender>
         <signal>toggled(bool)</signal>
-        <receiver>bgColor</receiver>
+        <receiver>grpLabelColors</receiver>
         <slot>setEnabled(bool)</slot>
       </connection>
       <connection>
-        <sender>radLabelUseCustom</sender>
+        <sender>chkLabelShadow</sender>
         <signal>toggled(bool)</signal>
-        <receiver>fgColor</receiver>
+        <receiver>shColor</receiver>
         <slot>setEnabled(bool)</slot>
-      </connection>
-      <connection>
-        <sender>radLabelUseCustom</sender>
+    </connection>
+    <connection>
+        <sender>chkEnable</sender>
         <signal>toggled(bool)</signal>
-        <receiver>labelBgColor</receiver>
+        <receiver>optionsFrame</receiver>
         <slot>setEnabled(bool)</slot>
-      </connection>
-      <connection>
-        <sender>radLabelUseCustom</sender>
+    </connection>
+    <connection>
+        <sender>radFlagOnly</sender>
+        <signal>toggled(bool)</signal>
+        <receiver>grpLabel</receiver>
+        <slot>setDisabled(bool)</slot>
+    </connection>
+    <connection>
+        <sender>radLabelOnly</sender>
         <signal>toggled(bool)</signal>
-        <receiver>labelFgColor</receiver>
+        <receiver>chkBgTransparent</receiver>
+        <slot>setEnabled(bool)</slot>
+    </connection>
+    <connection>
+        <sender>radLabelOnly</sender>
+        <signal>toggled(bool)</signal>
+        <receiver>bgColor</receiver>
         <slot>setEnabled(bool)</slot>
       </connection>
       <connection>
-        <sender>chkLabelShadow</sender>
+        <sender>radLabelOnly</sender>
         <signal>toggled(bool)</signal>
-        <receiver>shColor</receiver>
+        <receiver>labelBgColor</receiver>
         <slot>setEnabled(bool)</slot>
     </connection>
     <connection>
-        <sender>chkEnable</sender>
+        <sender>radFlagLabel</sender>
         <signal>toggled(bool)</signal>
-        <receiver>optionsFrame</receiver>
-        <slot>setEnabled(bool)</slot>
+        <receiver>bgColor</receiver>
+        <slot>setDisabled(bool)</slot>
+    </connection>
+    <connection>
+        <sender>radFlagLabel</sender>
+        <signal>toggled(bool)</signal>
+        <receiver>labelBgColor</receiver>
+        <slot>setDisabled(bool)</slot>
     </connection>
 </connections>
 <includes>
diff --git a/kxkb/kxkbconfig.cpp b/kxkb/kxkbconfig.cpp
index a01fd6a0e..8e6890161 100644
--- a/kxkb/kxkbconfig.cpp
+++ b/kxkb/kxkbconfig.cpp
@@ -131,6 +131,7 @@ bool KxkbConfig::load(int loadMode)
 
 	m_useThemeColors = config->readBoolEntry("UseThemeColors", false);
 	m_colorBackground = config->readColorEntry("ColorBackground", new TQColor(TQt::gray));
+	m_bgTransparent = config->readBoolEntry("BgTransparent", false);
 	m_colorLabel = config->readColorEntry("ColorLabel", new TQColor(TQt::white));
 	m_labelFont = config->readFontEntry("LabelFont", new TQFont("sans", 10, TQFont::Bold));
 	m_labelShadow = config->readBoolEntry("LabelShadow", true);
@@ -230,6 +231,7 @@ void KxkbConfig::save()
 
 	config->writeEntry("UseThemeColors", m_useThemeColors);
 	config->writeEntry("ColorBackground", m_colorBackground);
+	config->writeEntry("BgTransparent", m_bgTransparent);
 	config->writeEntry("ColorLabel", m_colorLabel);
 	config->writeEntry("LabelFont", m_labelFont);
 	config->writeEntry("LabelShadow", m_labelShadow);
diff --git a/kxkb/kxkbconfig.h b/kxkb/kxkbconfig.h
index 0f8c981ea..a4dc83e5a 100644
--- a/kxkb/kxkbconfig.h
+++ b/kxkb/kxkbconfig.h
@@ -105,6 +105,7 @@ public:
 
 	bool m_useThemeColors;
 	TQColor m_colorBackground;
+	bool m_bgTransparent;
 	TQColor m_colorLabel;
 	TQFont m_labelFont;
 	bool m_labelShadow;
diff --git a/kxkb/pixmap.cpp b/kxkb/pixmap.cpp
index 238023d9b..c7e08a741 100644
--- a/kxkb/pixmap.cpp
+++ b/kxkb/pixmap.cpp
@@ -1,5 +1,5 @@
 #include <tqimage.h>
-//#include <tqbitmap.h>
+#include <tqbitmap.h>
 #include <tqfont.h>
 #include <tqpainter.h>
 #include <tqregexp.h>
@@ -49,6 +49,7 @@ LayoutIcon::findPixmap(const TQString& code_, int pixmapStyle, const TQString& d
 	m_labelFont = m_kxkbConfig.m_labelFont;
 	m_labelShadow = m_kxkbConfig.m_labelShadow;
 	m_shColor = m_kxkbConfig.m_colorShadow;
+	m_bgTransparent = m_kxkbConfig.m_bgTransparent;
 
 	// Decide on how to style the pixmap
 	switch(pixmapStyle) {
@@ -96,7 +97,7 @@ LayoutIcon::findPixmap(const TQString& code_, int pixmapStyle, const TQString& d
 
 	const TQString pixmapKey(
 		TQString( m_showFlag ? "f" : "" ) + TQString( m_showLabel ? "l" : "" ) + TQString( m_labelShadow ? "s" : "" ) + "." +
-		m_labelFont.key() + "." + m_bgColor.name() + "." + m_fgColor.name() + "." + m_shColor.name() + '.' + code_ + "." + displayName
+		m_labelFont.key() + "." + ( m_bgTransparent ? "x" : m_bgColor.name() ) + "." + m_fgColor.name() + "." + m_shColor.name() + '.' + code_ + "." + displayName
 	);
 
 	// Only use cache for indicator
@@ -145,8 +146,29 @@ LayoutIcon::findPixmap(const TQString& code_, int pixmapStyle, const TQString& d
 
 		p.setPen(m_fgColor);
 		p.drawText(0, 0, pm->width(), pm->height(), Qt::AlignCenter, displayName);
+
+		if( m_bgTransparent && !m_showFlag )
+		{
+			TQPixmap maskpix(pm->width(), pm->height());
+			TQPainter maskp(&maskpix);
+
+			maskpix.fill(TQt::white);
+			maskp.setPen(TQt::black);
+			maskp.setFont(m_labelFont);
+
+			maskp.drawText(0, 0, maskpix.width(), maskpix.height(), Qt::AlignCenter, displayName);
+			if( m_labelShadow )
+			{
+				maskp.drawText(1, 1, maskpix.width(), maskpix.height(), Qt::AlignCenter, displayName);
+			}
+
+			TQBitmap mask;
+			mask = maskpix;
+			pm->setMask(mask);
+		}
 	}
 
+
 	if( pixmapStyle == PIXMAP_STYLE_INDICATOR )
 		m_pixmapCache.insert(pixmapKey, pm);
 
diff --git a/kxkb/pixmap.h b/kxkb/pixmap.h
index 2fd6c2a3c..a17f48d89 100644
--- a/kxkb/pixmap.h
+++ b/kxkb/pixmap.h
@@ -24,6 +24,7 @@ private:
   bool m_showFlag;
   bool m_showLabel;
   TQColor m_bgColor;
+  bool m_bgTransparent;
   TQColor m_fgColor;
   TQFont m_labelFont;
   bool m_labelShadow;