Apply patch by xenux to replace the text rating with star icons. Thanks\!

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@12954 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/gui/addons_loading.stkgui

@@ -16,8 +16,8 @@
                 <label id="size"     width="100%" text=""/>
                 <label id="revision" width="100%" text=""/>
             </div>
-            <div width="50%" height="100%" layout="vertical-row" >
-                <label id="rating"   width="100%" text=""/>
+            <div width="50%" height="32" layout="vertical-row" >
+                <ratingbar id="rating" height="32" width="100%" /> 
             </div>
         </div>
         <spacer height="10"/>

data/gui/skins/Glass.stkskin

@@ -211,4 +211,7 @@ when the border that intersect at this corner are enabled.
 <color type="text_field" state="neutral" a="255" r="215" g="215" b="215" />
 <color type="text_field" state="focused" a="255" r="0" g="150" b="0" />
 
+<!-- Rating star image -->
+<element type="rating" state="neutral" image="glass/rating_star.png" />
+
 </skin>

data/gui/skins/Ocean.stkskin

@@ -211,4 +211,7 @@ when the border that intersect at this corner are enabled.
 <color type="text_field" state="neutral" a="255" r="215" g="215" b="215" />
 <color type="text_field" state="focused" a="255" r="138" g="138" b="138" />
 
+<!-- Rating star image -->
+<element type="rating" state="neutral" image="ocean/rating_star.png" />
+
 </skin>

data/gui/skins/Peach.stkskin

@@ -210,4 +210,7 @@ when the border that intersect at this corner are enabled.
 <color type="text_field" state="neutral" a="255" r="215" g="215" b="215" />
 <color type="text_field" state="focused" a="255" r="138" g="138" b="138" />
 
+<!-- Rating star image -->
+<element type="rating" state="neutral" image="peach/rating_star.png" />
+
 </skin>

sources.cmake

@@ -73,6 +73,7 @@ src/guiengine/widgets/progress_bar_widget.cpp
 src/guiengine/widgets/ribbon_widget.cpp
 src/guiengine/widgets/spinner_widget.cpp
 src/guiengine/widgets/text_box_widget.cpp
+src/guiengine/widgets/rating_bar_widget.cpp
 src/input/binding.cpp
 src/input/device_manager.cpp
 src/input/input_device.cpp
@@ -318,6 +319,7 @@ src/guiengine/widgets/progress_bar_widget.hpp
 src/guiengine/widgets/ribbon_widget.hpp
 src/guiengine/widgets/spinner_widget.hpp
 src/guiengine/widgets/text_box_widget.hpp
+src/guiengine/widgets/rating_bar_widget.hpp
 src/input/binding.hpp
 src/input/device_manager.hpp
 src/input/input.hpp

src/Makefile.am

@@ -164,6 +164,8 @@ supertuxkart_SOURCES = \
  guiengine/widgets/text_box_widget.hpp \
  guiengine/widgets/progress_bar_widget.cpp \
  guiengine/widgets/progress_bar_widget.hpp \
+ guiengine/widgets/rating_bar_widget.cpp \
+ guiengine/widgets/rating_bar_widget.hpp \
  input/binding.cpp \
  input/binding.hpp \
  input/device_manager.cpp \

src/guiengine/screen_loader.cpp

@@ -175,6 +175,10 @@ void Screen::parseScreenFileDiv(irr::io::IXMLReader* xml, PtrVector<Widget>& app
                 {
                     append_to.push_back(new TextBoxWidget());
                 }
+                else if (wcscmp(L"ratingbar", xml->getNodeName()) == 0)
+                {
+                    append_to.push_back(new RatingBarWidget());
+                }
                 else
                 {
                     std::cerr << "/!\\ Warning /!\\ : unknown tag found in STK GUI file  : '"

src/guiengine/skin.cpp

@@ -805,6 +805,60 @@ void Skin::drawProgress(Widget* w, const core::recti &rect,
     }
 }   // drawProgress
 
+// ----------------------------------------------------------------------------
+/**
+ * @param focused whether this element is focus by the master player (focus
+ * for other players is not supported)
+ */
+void Skin::drawRatingBar(Widget *w, const core::recti &rect,
+                        const bool pressed, const bool focused)
+{
+    static const int step_number = 3; // Harcoded number of step.
+    
+    const ITexture *texture = SkinConfig::m_render_params["rating::neutral"].getImage();
+    const int texture_w = texture->getSize().Width / 4;
+    const int texture_h = texture->getSize().Height;
+    const float aspect_ratio = 1.0f;
+    
+    RatingBarWidget *ratingBar = (RatingBarWidget*)w;
+    const int star_number = ratingBar->getStarNumber();
+
+    int star_h = rect.getHeight();
+    int star_w = (int)(aspect_ratio * star_h);
+
+    if (rect.getWidth() < star_w * star_number)
+    {
+        const float scale_factor = rect.getWidth() / (float)(star_w * star_number);
+        star_w = (int)(star_w * scale_factor);
+        star_h = (int)(star_h * scale_factor);
+    }
+    
+    // center horizontally and vertically
+    const int x_from = rect.UpperLeftCorner.X + (rect.getWidth() - star_w) / 2; 
+    const int y_from = rect.UpperLeftCorner.Y + (rect.getHeight() - star_h) / 2;
+
+    for (int i = 0; i < star_number; i++)
+    {
+        core::recti star_rect = rect;
+
+        star_rect.UpperLeftCorner.X  = x_from + i * star_w;
+        star_rect.UpperLeftCorner.Y  = y_from;
+        star_rect.LowerRightCorner.X = x_from + (i + 1) * star_w;
+        star_rect.LowerRightCorner.Y = y_from + star_h;
+        
+        int step = ratingBar->getStepOfStar(i, step_number);
+        
+        const core::recti source_area(texture_w * step, 0, 
+                                      texture_w * (step + 1), texture_h);
+
+        GUIEngine::getDriver()->draw2DImage(texture,
+                                            star_rect, source_area,
+                                            0 /* no clipping */, 0,
+                                            true /* alpha */);
+    }
+
+}   // drawRatingBar
+
 // ----------------------------------------------------------------------------
 SColor Skin::getColor(const std::string &name)
 {
@@ -1810,6 +1864,10 @@ void Skin::process3DPane(IGUIElement *element, const core::recti &rect,
     {
         drawCheckBox(rect, widget, focused);
     }
+    else if(type == WTYPE_RATINGBAR)
+    {
+        drawRatingBar(widget, rect, pressed, focused);
+    }
 
 
     if (ID_DEBUG && id != -1 && Widget::isFocusableId(id))

src/guiengine/skin.hpp

@@ -293,6 +293,8 @@ namespace GUIEngine
                         const bool pressed, const bool focused);
         void drawProgress(Widget* w, const core::rect< s32 > &rect,
                           const bool pressed, const bool focused);
+        void drawRatingBar(Widget* w, const core::rect< s32 > &rect,
+                          const bool pressed, const bool focused);
         void drawRibbon(const core::rect< s32 > &rect, Widget* widget,
                         const bool pressed, bool focused);
         void drawRibbonChild(const core::rect< s32 > &rect, Widget* widget,

src/guiengine/widget.hpp

@@ -52,7 +52,8 @@ namespace GUIEngine
         WTYPE_MODEL_VIEW,
         WTYPE_LIST,
         WTYPE_TEXTBOX,
-        WTYPE_PROGRESS
+        WTYPE_PROGRESS,
+        WTYPE_RATINGBAR
     };
 
     enum BadgeType

src/guiengine/widgets.hpp

@@ -13,3 +13,4 @@
 #include "guiengine/widgets/text_box_widget.hpp"
 #include "guiengine/widgets/label_widget.hpp"
 #include "guiengine/widgets/check_box_widget.hpp"
+#include "guiengine/widgets/rating_bar_widget.hpp"

src/guiengine/widgets/rating_bar_widget.cpp

@@ -0,0 +1,85 @@
+//  SuperTuxKart - a fun racing game with go-kart
+//  Copyright (C) 2009 Marianne Gagnon
+//
+//  This program is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU General Public License
+//  as published by the Free Software Foundation; either version 3
+//  of the License, or (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+#include "guiengine/engine.hpp"
+#include "guiengine/widgets/rating_bar_widget.hpp"
+#include "utils/string_utils.hpp"
+#include <string.h>
+
+#include <IGUIEnvironment.h>
+#include <IGUIElement.h>
+#include <IGUIButton.h>
+
+using namespace GUIEngine;
+using namespace irr::core;
+using namespace irr;
+
+// -----------------------------------------------------------------------------
+RatingBarWidget::RatingBarWidget() : Widget(WTYPE_RATINGBAR)
+{
+    m_rating = 0;
+    m_star_number = 0;
+}
+
+// -----------------------------------------------------------------------------
+void RatingBarWidget::add()
+{
+    rect<s32> widget_size = rect<s32>(m_x, m_y, m_x + m_w, m_y + m_h);
+    m_element = GUIEngine::getGUIEnv()->addButton(widget_size, m_parent, getNewNoFocusID(), NULL, L"");
+
+    m_id = m_element->getID();
+    m_element->setTabStop(false);
+    m_element->setTabGroup(false);
+}
+
+// -----------------------------------------------------------------------------
+/** Get the current step of the star
+ * 
+ * \param index     The index of the star.
+ * \param max_step  The number of different steps that a star can display. Two 
+ *                   step are obligatory: full and empty.
+ * \return The current step of the star.
+ */
+int RatingBarWidget::getStepOfStar(int index, int max_step)
+{
+    assert(index >= 0 && index < m_star_number); // Index must be between 0 and m_star_number - 1.
+    assert(max_step >= 2); // The maximun number of step must be superior or equals to 2.
+
+    if (m_rating < index)
+    {
+        return 0;
+    }
+    else if (m_rating > index + 1)
+    {
+        return max_step - 1;
+    }
+    else
+    {
+        float step_size = 1 / (float)(max_step - 1);
+        
+        for (int i = 0; i < max_step; i++)
+        {
+            if (m_rating > index + step_size * (i - 0.5)
+                && m_rating < index + step_size * (i + 0.5))
+                return i;
+        }
+    }
+    
+    return 0;
+    // TODO: Assert or throws a exception, what type?
+} // getStepOfStar
+

src/guiengine/widgets/rating_bar_widget.hpp

@@ -0,0 +1,66 @@
+//  SuperTuxKart - a fun racing game with go-kart
+//  Copyright (C) 2009 Marianne Gagnon
+//
+//  This program is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU General Public License
+//  as published by the Free Software Foundation; either version 3
+//  of the License, or (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+
+
+#ifndef HEADER_RATING_BAR_HPP
+#define HEADER_RATING_BAR_HPP
+
+#include <irrString.h>
+
+#include "guiengine/widget.hpp"
+#include "utils/leak_check.hpp"
+#include "utils/ptr_vector.hpp"
+
+namespace GUIEngine
+{
+    /** 
+      * \brief A rating bar widget.
+      * \ingroup widgetsgroup
+      */
+    class RatingBarWidget : public Widget
+    {
+        
+        float m_rating;
+        int m_star_number;
+        
+    public:
+        
+        LEAK_CHECK()
+        
+        RatingBarWidget();
+        virtual ~RatingBarWidget() {}
+        
+        void add();
+        
+        /** Change the rating value of the widget. */
+        void setRating(float rating) { m_rating = rating; };
+        
+        /** Get the current value of the widget. */
+        int getRating() {return m_rating; };
+        
+        /** Change the number of star of the widget. */
+        void setStarNumber(int star_number) { m_star_number = star_number; };
+        
+        /** Get the current number of star of the widget. */
+        int getStarNumber() {return m_star_number; };
+        
+        int getStepOfStar(int index, int max_step);
+    }; 
+}
+
+#endif

src/states_screens/dialogs/addons_loading.cpp

@@ -83,8 +83,8 @@ void AddonsLoading::beforeAddingWidgets()
     m_progress         = getWidget<ProgressBarWidget>("progress");
     m_back_button      = getWidget<IconButtonWidget> ("back"    );
 
-
     RibbonWidget* r = getWidget<RibbonWidget>("actions");
+    RatingBarWidget* rating = getWidget<RatingBarWidget>("rating");
 
     if (m_addon.isInstalled())
     {
@@ -107,11 +107,8 @@ void AddonsLoading::beforeAddingWidgets()
         ->setText(m_addon.getDescription().c_str());
     core::stringw revision = _("Version: %d", m_addon.getRevision());
     getWidget<LabelWidget>("revision")->setText(revision, false);
-    char rating_val[4];
-    std::sprintf(rating_val, "%.1f", m_addon.getRating());
-    //I18N: for add-on rating, "Rating: 1.5/3.0"
-    core::stringw rating = _("Rating: %s/%s", rating_val, "3.0");
-    getWidget<LabelWidget>("rating")->setText(rating, false);
+    rating->setRating(m_addon.getRating());
+    rating->setStarNumber(3);
 
     // Display flags for this addon
     // ============================