Allow message queue to be able to do linebreak

Also set "/" and "\" to be breakable

lib/irrlicht/include/utfwrapping.h

@@ -104,9 +104,10 @@ bool breakable (wchar_t c)
 	if ((c > 12287 && c < 40960) || //Common CJK words
 		(c > 44031 && c < 55204)  || //Hangul
 		(c > 63743 && c < 64256)  || //More Chinese
-		c == 173 || c == L' ' || c == 0) //Soft hyphen and white space
-			return true;
-			return false;
+		c == 173 || c == L' ' || //Soft hyphen and white space
+		c == 47 || c == 92) //Slash and blackslash
+		return true;
+	return false;
 }
 } // end namespace gui
 } // end namespace irr

src/guiengine/message_queue.cpp

@@ -20,19 +20,25 @@
 
 #include "guiengine/message_queue.hpp"
 
-#include "config/user_config.hpp"
+#include "graphics/irr_driver.hpp"
 #include "guiengine/engine.hpp"
-#include "guiengine/scalable_font.hpp"
 #include "guiengine/skin.hpp"
 #include "utils/synchronised.hpp"
+#include "utils/translation.hpp"
 
 #include "IGUIElement.h"
+#include "IGUIEnvironment.h"
+#include "IGUIStaticText.h"
 
 using namespace GUIEngine;
 
 namespace MessageQueue
 {
+// ============================================================================
+/** The area which the message is drawn. */
+core::recti g_area;
 
+// ============================================================================
 /** A small helper class to store and sort messages to be displayed. */
 class Message
 {
@@ -46,11 +52,15 @@ private:
      *  or friend-message::neutral. */
     std::string m_render_type;
 
+    /** The text label, can do linebreak if needed. */
+    gui::IGUIStaticText* m_text;
+
 public:
     Message(MessageQueue::MessageType mt, const core::stringw &message)
     {
         m_message_type = mt;
         m_message      = message;
+        m_text         = NULL;
         if(mt==MessageQueue::MT_ACHIEVEMENT)
             m_render_type = "achievement-message::neutral";
         else if (mt==MessageQueue::MT_ERROR)
@@ -61,6 +71,11 @@ public:
             m_render_type = "friend-message::neutral";
     }   // Message
     // ------------------------------------------------------------------------
+    ~Message()
+    {
+        assert(m_text != NULL);
+        m_text->drop();
+    }
     /** Returns the message. */
     const core::stringw & getMessage() const { return m_message; }
     // ------------------------------------------------------------------------
@@ -73,6 +88,39 @@ public:
     {
         return m_render_type;
     }
+    // ------------------------------------------------------------------------
+    /** Init the message text, do linebreak as required. */
+    void init()
+    {
+        const GUIEngine::BoxRenderParams &brp =
+            GUIEngine::getSkin()->getBoxRenderParams(m_render_type);
+        const unsigned width = irr_driver->getActualScreenSize().Width;
+        const unsigned height = irr_driver->getActualScreenSize().Height;
+        const unsigned max_width = width - (brp.m_left_border +
+            brp.m_right_border);
+        m_text =
+            GUIEngine::getGUIEnv()->addStaticText(m_message.c_str(),
+            core::recti(0, 0, max_width, height));
+        m_text->setRightToLeft(translations->isRTLText(m_message));
+        core::dimension2du dim(m_text->getTextWidth(),
+            m_text->getTextHeight());
+        dim.Width += brp.m_left_border + brp.m_right_border;
+        int x = (width - dim.Width) / 2;
+        int y = height - int(1.5f * dim.Height);
+        g_area = irr::core::recti(x, y, x + dim.Width, y + dim.Height);
+        m_text->setRelativePosition(g_area);
+        m_text->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_CENTER);
+        m_text->grab();
+        m_text->remove();
+    }
+    // ------------------------------------------------------------------------
+    /** Draw the message. */
+    void draw()
+    {
+        assert(m_text != NULL);
+        m_text->draw();
+    }
+
 };   // class Message
 
 // ============================================================================
@@ -103,26 +151,18 @@ float        g_max_display_time     = 5.0f;
 
 /** The label widget used to show the current message. */
 SkinWidgetContainer *g_container    = NULL;
-core::recti g_area;
 
 // ============================================================================
 
-void createLabel(const Message *message)
+void createLabel(Message *message)
 {
     if(!g_container)
         g_container = new SkinWidgetContainer();
 
-    gui::ScalableFont *font = GUIEngine::getFont();
-    core::dimension2du dim = font->getDimension(message->getMessage().c_str());
     g_current_display_time = 0.0f;
     // Maybe make this time dependent on message length as well?
     g_max_display_time     = 5.0f;
-    const GUIEngine::BoxRenderParams &brp =
-        GUIEngine::getSkin()->getBoxRenderParams(message->getRenderType());
-    dim.Width +=brp.m_left_border + brp.m_right_border;
-    int x = (UserConfigParams::m_width - dim.Width) / 2;
-    int y = UserConfigParams::m_height - int(1.5f*dim.Height);
-    g_area = irr::core::recti(x, y, x+dim.Width, y+dim.Height);
+    message->init();
 }   // createLabel
 
 // ----------------------------------------------------------------------------
@@ -200,10 +240,7 @@ void update(float dt)
 
     GUIEngine::getSkin()->drawMessage(g_container, g_area,
                                       current->getRenderType());
-    gui::ScalableFont *font = GUIEngine::getFont();
-
-    video::SColor color(255, 0, 0, 0);
-    font->draw(current->getMessage(), g_area, color, true, true);
+    current->draw();
 
 }   // update