From f54cd905f49d08116bf988bcb4451beb168cbd48 Mon Sep 17 00:00:00 2001
From: Yohann Ferreira <yohann_dot_ferreira_at_orange_dot_efer>
Date: Sun, 13 Nov 2011 05:44:22 +0100
Subject: Made the chat text much more readable in every opacity case.

I added text shadow and outline support to the browserbox,
and made it adapt the text for the chattabs depending on the
GUI opacity.

Reviewed-by: Ablu.
---
 src/gui/widgets/chattab.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'src/gui/widgets/chattab.cpp')

diff --git a/src/gui/widgets/chattab.cpp b/src/gui/widgets/chattab.cpp
index c86eb2ea..bd4c5910 100644
--- a/src/gui/widgets/chattab.cpp
+++ b/src/gui/widgets/chattab.cpp
@@ -27,6 +27,7 @@
 #include "configuration.h"
 #include "localplayer.h"
 
+#include "gui/gui.h"
 #include "gui/recorder.h"
 
 #include "gui/widgets/browserbox.h"
@@ -63,6 +64,11 @@ ChatTab::ChatTab(const std::string &name) : Tab()
     mScrollArea->setOpaque(false);
 
     chatWindow->addTab(this);
+
+    listen(Event::ConfigChannel);
+
+    // Initiate the text format
+    updateTextFormat(((Window*)getParent())->getGuiAlpha());
 }
 
 ChatTab::~ChatTab()
@@ -74,6 +80,37 @@ ChatTab::~ChatTab()
     delete mScrollArea;
 }
 
+void ChatTab::updateTextFormat(int alpha)
+{
+    if (alpha > 200)
+    {
+        mTextOutput->setOutlinedText(false);
+        mTextOutput->setShadowedText(false);
+    }
+    else if (alpha <= 200 && alpha > 100)
+    {
+        mTextOutput->setOutlinedText(false);
+        mTextOutput->setShadowedText(true);
+    }
+    else
+    {
+        mTextOutput->setOutlinedText(true);
+        mTextOutput->setShadowedText(false);
+    }
+}
+
+void ChatTab::event(Event::Channel channel, const Event &event)
+{
+    // Update the text outline and shadow according to the gui opacity.
+    if (channel == Event::ConfigChannel &&
+        event.getType() == Event::ConfigOptionChanged &&
+        event.getString("option") == "guialpha")
+    {
+        int alpha = ((Window*)getParent())->getGuiAlpha();
+        updateTextFormat(alpha);
+    }
+}
+
 void ChatTab::chatLog(std::string line, Own own, bool ignoreRecord)
 {
     // Trim whitespace
-- 
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