From 3168c39ef1e445db1a6e22a7ba63e8cb4714e6e8 Mon Sep 17 00:00:00 2001
From: Mavridis Philippe <mavridisf@gmail.com>
Date: Sun, 12 Dec 2021 16:24:28 +0200
Subject: [PATCH] KMix: system tray icon enhancements

* XDG-compliant icon names with volume level specification (low, medium, high)
  Low-Medium threshold:  33%
  Medium-High threshold: 67%
* Improved built-in icon theme with distinct volume levels (according to above)
* Choice between classic KMix icon theme, imrpoved KMix icon theme and system theme.
* New KMixDockWidget::getAvgVolume() method
  Gets average volume in %. Code actually comes from KMixDockWidget::setVolumeTip(),
  but was put into a separate method to be reused for determination of icon according
  to the volume level
---
 kmix/appearanceconfig.ui                      | 130 +++++++++++-------
 kmix/kmix.kcfg                                |  17 +++
 kmix/kmixdockwidget.cpp                       |  97 +++++++++++--
 kmix/kmixdockwidget.h                         |   2 +
 kmix/pics/CMakeLists.txt                      |   6 +-
 kmix/pics/crystal/CMakeLists.txt              |  13 ++
 .../audio-volume-error.png}                   | Bin
 kmix/pics/crystal/audio-volume-high.png       | Bin 0 -> 1581 bytes
 kmix/pics/crystal/audio-volume-low.png        | Bin 0 -> 1379 bytes
 kmix/pics/crystal/audio-volume-medium.png     | Bin 0 -> 1423 bytes
 kmix/pics/crystal/audio-volume-muted.png      | Bin 0 -> 809 bytes
 kmix/pics/oldcrystal/CMakeLists.txt           |  13 ++
 kmix/pics/oldcrystal/audio-volume-error.png   | Bin 0 -> 1176 bytes
 kmix/pics/oldcrystal/audio-volume-high.png    |   1 +
 .../audio-volume-low.png}                     | Bin 1215 -> 1215 bytes
 kmix/pics/oldcrystal/audio-volume-medium.png  |   1 +
 .../audio-volume-muted.png}                   | Bin 607 -> 607 bytes
 17 files changed, 222 insertions(+), 58 deletions(-)
 create mode 100644 kmix/pics/crystal/CMakeLists.txt
 rename kmix/pics/{kmixdocked_error.png => crystal/audio-volume-error.png} (100%)
 create mode 100644 kmix/pics/crystal/audio-volume-high.png
 create mode 100644 kmix/pics/crystal/audio-volume-low.png
 create mode 100644 kmix/pics/crystal/audio-volume-medium.png
 create mode 100644 kmix/pics/crystal/audio-volume-muted.png
 create mode 100644 kmix/pics/oldcrystal/CMakeLists.txt
 create mode 100644 kmix/pics/oldcrystal/audio-volume-error.png
 create mode 120000 kmix/pics/oldcrystal/audio-volume-high.png
 rename kmix/pics/{kmixdocked.png => oldcrystal/audio-volume-low.png} (92%)
 create mode 120000 kmix/pics/oldcrystal/audio-volume-medium.png
 rename kmix/pics/{kmixdocked_mute.png => oldcrystal/audio-volume-muted.png} (80%)

diff --git a/kmix/appearanceconfig.ui b/kmix/appearanceconfig.ui
index a55f5a11..294b00fb 100644
--- a/kmix/appearanceconfig.ui
+++ b/kmix/appearanceconfig.ui
@@ -8,8 +8,8 @@
         <rect>
             <x>0</x>
             <y>0</y>
-            <width>464</width>
-            <height>280</height>
+            <width>487</width>
+            <height>278</height>
         </rect>
     </property>
     <property name="caption">
@@ -19,30 +19,18 @@
         <property name="name">
             <cstring>unnamed</cstring>
         </property>
-        <widget class="TQComboBox" row="0" column="1">
-            <item>
-                <property name="text">
-                    <string>Horizontal</string>
-                </property>
-            </item>
-            <item>
-                <property name="text">
-                    <string>Vertical</string>
-                </property>
-            </item>
+        <widget class="TQCheckBox" row="3" column="0" rowspan="1" colspan="2">
             <property name="name">
-                <cstring>kcfg_Orientation</cstring>
+                <cstring>kcfg_Menubar</cstring>
             </property>
-            <property name="sizePolicy">
-                <sizepolicy>
-                    <hsizetype>3</hsizetype>
-                    <vsizetype>0</vsizetype>
-                    <horstretch>0</horstretch>
-                    <verstretch>0</verstretch>
-                </sizepolicy>
+            <property name="text">
+                <string>Show &amp;menu bar</string>
+            </property>
+            <property name="checked">
+                <bool>true</bool>
             </property>
         </widget>
-        <widget class="TQLabel" row="1" column="0">
+        <widget class="TQLabel" row="2" column="0">
             <property name="name">
                 <cstring>lblValueStyle</cstring>
             </property>
@@ -50,20 +38,12 @@
                 <string>Volume values:</string>
             </property>
         </widget>
-        <widget class="TQLabel" row="0" column="0">
+        <widget class="TQCheckBox" row="5" column="0" rowspan="1" colspan="2">
             <property name="name">
-                <cstring>lblOrientation</cstring>
-            </property>
-            <property name="text">
-                <string>Sliders orientation:</string>
-            </property>
-        </widget>
-        <widget class="TQCheckBox" row="3" column="0" rowspan="1" colspan="2">
-            <property name="name">
-                <cstring>kcfg_Tickmarks</cstring>
+                <cstring>kcfg_Labels</cstring>
             </property>
             <property name="text">
-                <string>Show &amp;tickmarks</string>
+                <string>Show &amp;labels</string>
             </property>
             <property name="checked">
                 <bool>true</bool>
@@ -71,27 +51,44 @@
         </widget>
         <widget class="TQCheckBox" row="4" column="0" rowspan="1" colspan="2">
             <property name="name">
-                <cstring>kcfg_Labels</cstring>
+                <cstring>kcfg_Tickmarks</cstring>
             </property>
             <property name="text">
-                <string>Show &amp;labels</string>
+                <string>Show &amp;tickmarks</string>
             </property>
             <property name="checked">
                 <bool>true</bool>
             </property>
         </widget>
-        <widget class="TQCheckBox" row="2" column="0" rowspan="1" colspan="2">
+        <widget class="TQComboBox" row="2" column="1">
+            <item>
+                <property name="text">
+                    <string>None</string>
+                </property>
+            </item>
+            <item>
+                <property name="text">
+                    <string>Absolute</string>
+                </property>
+            </item>
+            <item>
+                <property name="text">
+                    <string>Relative</string>
+                </property>
+            </item>
             <property name="name">
-                <cstring>kcfg_Menubar</cstring>
-            </property>
-            <property name="text">
-                <string>Show &amp;menu bar</string>
+                <cstring>kcfg_ValueStyle</cstring>
             </property>
-            <property name="checked">
-                <bool>true</bool>
+            <property name="sizePolicy">
+                <sizepolicy>
+                    <hsizetype>3</hsizetype>
+                    <vsizetype>0</vsizetype>
+                    <horstretch>0</horstretch>
+                    <verstretch>0</verstretch>
+                </sizepolicy>
             </property>
         </widget>
-        <spacer row="5" column="1">
+        <spacer row="6" column="1">
             <property name="name">
                 <cstring>spacer5</cstring>
             </property>
@@ -108,24 +105,63 @@
                 </size>
             </property>
         </spacer>
+        <widget class="TQLabel" row="1" column="0">
+            <property name="name">
+                <cstring>lblOrientation</cstring>
+            </property>
+            <property name="text">
+                <string>Sliders orientation:</string>
+            </property>
+        </widget>
         <widget class="TQComboBox" row="1" column="1">
             <item>
                 <property name="text">
-                    <string>None</string>
+                    <string>Horizontal</string>
                 </property>
             </item>
             <item>
                 <property name="text">
-                    <string>Absolute</string>
+                    <string>Vertical</string>
                 </property>
             </item>
+            <property name="name">
+                <cstring>kcfg_Orientation</cstring>
+            </property>
+            <property name="sizePolicy">
+                <sizepolicy>
+                    <hsizetype>3</hsizetype>
+                    <vsizetype>0</vsizetype>
+                    <horstretch>0</horstretch>
+                    <verstretch>0</verstretch>
+                </sizepolicy>
+            </property>
+        </widget>
+        <widget class="TQLabel" row="0" column="0">
+            <property name="name">
+                <cstring>lblOrientation_2</cstring>
+            </property>
+            <property name="text">
+                <string>Icon theme:</string>
+            </property>
+        </widget>
+        <widget class="TQComboBox" row="0" column="1">
             <item>
                 <property name="text">
-                    <string>Relative</string>
+                    <string>Crystal</string>
+                </property>
+            </item>
+            <item>
+                <property name="text">
+                    <string>Classic (Old Crystal)</string>
+                </property>
+            </item>
+            <item>
+                <property name="text">
+                    <string>System</string>
                 </property>
             </item>
             <property name="name">
-                <cstring>kcfg_ValueStyle</cstring>
+                <cstring>kcfg_IconTheme</cstring>
             </property>
             <property name="sizePolicy">
                 <sizepolicy>
diff --git a/kmix/kmix.kcfg b/kmix/kmix.kcfg
index b6d595bd..d4ca0956 100644
--- a/kmix/kmix.kcfg
+++ b/kmix/kmix.kcfg
@@ -99,4 +99,21 @@
             <default></default>
         </entry>
     </group>
+    <group name="Appearance">
+        <entry key="IconTheme" type="Enum">
+            <choices>
+                <choice name="Crystal">
+                    <label>Crystal</label>
+                </choice>
+                <choice name="OldCrystal">
+                    <label>Classic (Old Crystal)</label>
+                </choice>
+                <choice name="System">
+                    <label>System theme</label>
+                </choice>
+            </choices>
+            <default>Crystal</default>
+            <label>Icon Theme</label>
+        </entry>
+    </group>
 </kcfg>
\ No newline at end of file
diff --git a/kmix/kmixdockwidget.cpp b/kmix/kmixdockwidget.cpp
index 574a996c..fba30421 100644
--- a/kmix/kmixdockwidget.cpp
+++ b/kmix/kmixdockwidget.cpp
@@ -34,6 +34,7 @@
 #include <tdelocale.h>
 #include <tdepopupmenu.h>
 #include <tdeglobalsettings.h>
+#include <kstandarddirs.h>
 #include <tdemainwindow.h>
 
 #include <tqapplication.h>
@@ -47,6 +48,7 @@
 #include "mixer.h"
 #include "mixdevicewidget.h"
 #include "kmixdockwidget.h"
+#include "kmixsettings.h"
 #include "viewdockareapopup.h"
 
 KMixDockWidget::KMixDockWidget( Mixer *mixer, TQWidget *parent, const char *name, bool volumePopup, bool dockIconMuting )
@@ -72,6 +74,9 @@ KMixDockWidget::KMixDockWidget( Mixer *mixer, TQWidget *parent, const char *name
     createActions();
     createMasterVolWidget();
     connect(this, TQ_SIGNAL(quitSelected()), kapp, TQ_SLOT(quitExtended()));
+
+    TDEGlobal::dirs()->addResourceDir("icons_crystal",    locate("appdata", "pics/crystal/"));
+    TDEGlobal::dirs()->addResourceDir("icons_oldcrystal", locate("appdata", "pics/oldcrystal/"));
 }
 
 KMixDockWidget::~KMixDockWidget()
@@ -254,6 +259,20 @@ void KMixDockWidget::handleNewMaster(bool defaultMaster, int soundcard_id, const
 }
 
 
+long
+KMixDockWidget::getAvgVolume()
+{
+    MixDevice *md = 0;
+    if ( _dockAreaPopup != 0 ) {
+        md = _dockAreaPopup->dockDevice();
+    }
+
+    if ( md == 0 || md->maxVolume() == 0 )
+        return -1;
+
+    return (md->getVolume().getAvgVolume(Volume::MMAIN)*100 )/( md->maxVolume() );
+}
+
 void
 KMixDockWidget::setVolumeTip()
 {
@@ -261,6 +280,7 @@ KMixDockWidget::setVolumeTip()
     if ( _dockAreaPopup != 0 ) {
         md = _dockAreaPopup->dockDevice();
     }
+
     TQString tip = "";
 
     int newToolTipValue = 0;
@@ -271,10 +291,7 @@ KMixDockWidget::setVolumeTip()
     }
     else
     {
-        long val = -1;
-        if ( md->maxVolume() != 0 ) {
-	    val = (md->getVolume().getAvgVolume(Volume::MMAIN)*100 )/( md->maxVolume() );
-        }
+        long val = getAvgVolume();
 	newToolTipValue = val + 10000*md->isMuted();
 	if ( _oldToolTipValue != newToolTipValue ) {
 	    tip = i18n( "Volume at %1%" ).arg( val );
@@ -316,7 +333,13 @@ KMixDockWidget::updatePixmap(bool force)
     }
     else
     {
-	newPixmapType = 'd';
+	long avgVol = getAvgVolume();
+	if ( avgVol <= 33 )
+		newPixmapType = 'L';
+	else if ( avgVol <= 67 )
+		newPixmapType = 'M';
+	else
+		newPixmapType = 'H';
     }
 
     if (( newPixmapType != _oldPixmapType ) || (force == true)) {
@@ -325,12 +348,23 @@ KMixDockWidget::updatePixmap(bool force)
 	TQPixmap origpixmap;
 	TQPixmap scaledpixmap;
 	TQImage newIcon;
+
+	TQStringList fallback;
 	switch ( newPixmapType ) {
-		case 'e': origpixmap = isShown() ? loadSizedIcon( "kmixdocked_error", width() ) : loadIcon( "kmixdocked_error"); break;
-		case 'm': origpixmap = isShown() ? loadSizedIcon( "kmixdocked_mute" , width() ) : loadIcon( "kmixdocked_mute"); break;
-		case 'd': origpixmap = isShown() ? loadSizedIcon( "kmixdocked"      , width() ) : loadIcon( "kmixdocked     "); break;
+		case 'm': fallback << "audio-volume-muted"  << "kmixdocked_mute"; break;
+		case 'L': fallback << "audio-volume-low"    << "kmixdocked";	  break;
+		case 'M': fallback << "audio-volume-medium" << "kmixdocked";	  break;
+		case 'H': fallback << "audio-volume-high"   << "kmixdocked";	  break;
 	}
-	newIcon = origpixmap;
+
+	TQString icon = getIconPath(fallback);
+	if (icon.isNull())
+	{
+		icon = getIconPath("audio-volume-error");
+	}
+
+	origpixmap = isShown() ? loadSizedIcon(icon, width()) : loadIcon(icon);
+	newIcon    = origpixmap;
 	if (isShown()) {
 		newIcon = newIcon.smoothScale(width(), height());
 	}
@@ -341,6 +375,51 @@ KMixDockWidget::updatePixmap(bool force)
     }
 }
 
+TQString KMixDockWidget::getIconPath(TQStringList fallback)
+{
+	auto iconTheme = KMixSettings::iconTheme();
+
+	TQCString iconThemeName;
+	if (iconTheme != KMixSettings::EnumIconTheme::System)
+	{
+		switch (iconTheme)
+		{
+			case KMixSettings::EnumIconTheme::OldCrystal:
+				iconThemeName = "oldcrystal";
+				break;
+
+			default:
+			case KMixSettings::EnumIconTheme::Crystal:
+				iconThemeName = "crystal";
+				break;
+		}
+	}
+
+	for (TQStringList::iterator it = fallback.begin(); it != fallback.end(); ++it)
+	{
+		if (iconTheme == KMixSettings::EnumIconTheme::System)
+		{
+			TQString iconPath = kapp->iconLoader()->iconPath((*it), TDEIcon::Panel, true);
+			if (!iconPath.isNull())
+			{
+				return iconPath;
+			}
+		}
+
+		else
+		{
+			TQCString type = "icons_" + iconThemeName;
+
+			TQString iconPath = TDEGlobal::dirs()->findResource(type, TQString("%1.png").arg(*it));
+			if (!iconPath.isNull()) return iconPath;
+
+			iconPath = TDEGlobal::dirs()->findResource(type, TQString("%1.svg").arg(*it));
+			if (!iconPath.isNull()) return iconPath;
+		}
+	}
+	return TQString::null;
+}
+
 void KMixDockWidget::resizeEvent ( TQResizeEvent * )
 {
 	updatePixmap(true);
diff --git a/kmix/kmixdockwidget.h b/kmix/kmixdockwidget.h
index a7b420a0..8f119ace 100644
--- a/kmix/kmixdockwidget.h
+++ b/kmix/kmixdockwidget.h
@@ -70,6 +70,8 @@ class KMixDockWidget : public KSystemTray  {
    void toggleMinimizeRestore();
    void resizeEvent(TQResizeEvent *);
    void showEvent(TQShowEvent *);
+   long getAvgVolume();
+   TQString getIconPath(TQStringList fallback);
 
  private:
    bool _playBeepOnVolumeChange;
diff --git a/kmix/pics/CMakeLists.txt b/kmix/pics/CMakeLists.txt
index 35ea82c5..92af67f8 100644
--- a/kmix/pics/CMakeLists.txt
+++ b/kmix/pics/CMakeLists.txt
@@ -16,8 +16,10 @@ install( FILES
     mix_microphone.png mix_midi.png mix_recmon.png
     mix_treble.png mix_unknown.png mix_volume.png
     mix_surround.png mix_video.png mix_headphone.png
-    mix_digital.png mix_ac97.png kmixdocked.png
-    kmixdocked_mute.png kmixdocked_error.png mix_record.png
+    mix_digital.png mix_ac97.png mix_record.png
     SpeakerFrontLeft.png SpeakerRearLeft.png SpeakerFrontRight.png
     SpeakerRearRight.png Listener.png
   DESTINATION ${DATA_INSTALL_DIR}/kmix/pics )
+
+add_subdirectory(oldcrystal)
+add_subdirectory(crystal)
\ No newline at end of file
diff --git a/kmix/pics/crystal/CMakeLists.txt b/kmix/pics/crystal/CMakeLists.txt
new file mode 100644
index 00000000..71f61d26
--- /dev/null
+++ b/kmix/pics/crystal/CMakeLists.txt
@@ -0,0 +1,13 @@
+################################################################################
+#  Copyright © 2024 Mavridis Philippe <mavridisf@gmail.com>                    #
+#                                                                              #
+#  This file is released under the GNU GPL version 3 or later.                 #
+#  Improvements and feedback are welcome!                                      #
+################################################################################
+
+set(theme "crystal")
+
+install(FILES audio-volume-error.png audio-volume-muted.png
+              audio-volume-low.png audio-volume-medium.png
+              audio-volume-high.png
+        DESTINATION ${DATA_INSTALL_DIR}/kmix/pics/${theme})
\ No newline at end of file
diff --git a/kmix/pics/kmixdocked_error.png b/kmix/pics/crystal/audio-volume-error.png
similarity index 100%
rename from kmix/pics/kmixdocked_error.png
rename to kmix/pics/crystal/audio-volume-error.png
diff --git a/kmix/pics/crystal/audio-volume-high.png b/kmix/pics/crystal/audio-volume-high.png
new file mode 100644
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diff --git a/kmix/pics/crystal/audio-volume-low.png b/kmix/pics/crystal/audio-volume-low.png
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diff --git a/kmix/pics/crystal/audio-volume-muted.png b/kmix/pics/crystal/audio-volume-muted.png
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diff --git a/kmix/pics/oldcrystal/CMakeLists.txt b/kmix/pics/oldcrystal/CMakeLists.txt
new file mode 100644
index 00000000..47b37e11
--- /dev/null
+++ b/kmix/pics/oldcrystal/CMakeLists.txt
@@ -0,0 +1,13 @@
+################################################################################
+#  Copyright © 2024 Mavridis Philippe <mavridisf@gmail.com>                    #
+#                                                                              #
+#  This file is released under the GNU GPL version 3 or later.                 #
+#  Improvements and feedback are welcome!                                      #
+################################################################################
+
+set(theme "oldcrystal")
+
+install(FILES audio-volume-error.png audio-volume-muted.png
+              audio-volume-low.png audio-volume-medium.png
+              audio-volume-high.png
+        DESTINATION ${DATA_INSTALL_DIR}/kmix/pics/${theme})
\ No newline at end of file
diff --git a/kmix/pics/oldcrystal/audio-volume-error.png b/kmix/pics/oldcrystal/audio-volume-error.png
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literal 0
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diff --git a/kmix/pics/oldcrystal/audio-volume-high.png b/kmix/pics/oldcrystal/audio-volume-high.png
new file mode 120000
index 00000000..dd3d1eea
--- /dev/null
+++ b/kmix/pics/oldcrystal/audio-volume-high.png
@@ -0,0 +1 @@
+audio-volume-low.png
\ No newline at end of file
diff --git a/kmix/pics/kmixdocked.png b/kmix/pics/oldcrystal/audio-volume-low.png
similarity index 92%
rename from kmix/pics/kmixdocked.png
rename to kmix/pics/oldcrystal/audio-volume-low.png
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diff --git a/kmix/pics/oldcrystal/audio-volume-medium.png b/kmix/pics/oldcrystal/audio-volume-medium.png
new file mode 120000
index 00000000..dd3d1eea
--- /dev/null
+++ b/kmix/pics/oldcrystal/audio-volume-medium.png
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\ No newline at end of file
diff --git a/kmix/pics/kmixdocked_mute.png b/kmix/pics/oldcrystal/audio-volume-muted.png
similarity index 80%
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