Add automatic line warping to the textbox function.

daid · Aug 22, 2014 · 4fb18be · 4fb18be
1 parent 19fd813
commit 4fb18be
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Showing 2 changed files with 36 additions and 5 deletions.
diff --git a/resources/factionInfo.lua b/resources/factionInfo.lua
@@ -1,17 +1,16 @@
 neutral = FactionInfo():setName("Independent")
 neutral:setGMColor(128, 128, 128)
 neutral:setDescription([[The Independent are those with no strong affiliation for any of the other factions.
- Despite being seen as a faction, they are not truely one. Most traders consider themselves independent, but certain voices have started to speak up about creating a merchant faction.]])
+
+Despite being seen as a faction, they are not truely one. Most traders consider themselves independent, but certain voices have started to speak up about creating a merchant faction.]])
 
 human = FactionInfo():setName("Human Navy")
 human:setGMColor(255, 255, 255)
 human:setDescription([[The remenants of the human navy.
 
-While all other races where driven to the
-stars out of greed or intressed in science
+While all other races where driven to the stars out of greed or intressed in science
 
-The humans where the only race to start
-with galaxic exploration because their home world could no longer sustain their population]])
+The humans where the only race to start with galaxic exploration because their home world could no longer sustain their population]])
 
 spaceCow = FactionInfo():setName("SpaceCow")
 spaceCow:setGMColor(255, 0, 0)

diff --git a/src/gui.cpp b/src/gui.cpp
@@ -277,6 +277,38 @@ void GUI::box(sf::FloatRect rect)
 
 void GUI::textbox(sf::FloatRect rect, string text, EAlign align, float textSize, sf::Color color)
 {
+    {
+        unsigned currentOffset = 0;
+        bool firstWord = true;
+        std::size_t wordBegining = 0;
+
+        for (std::size_t pos(0); pos < text.length(); ++pos)
+        {
+            char currentChar = text[pos];
+            if (currentChar == '\n')
+            {
+                currentOffset = 0;
+                firstWord = true;
+                continue;
+            } else if (currentChar == ' ')
+            {
+                wordBegining = pos;
+                firstWord = false;
+            }
+
+            sf::Glyph glyph = mainFont.getGlyph(currentChar, textSize, false);
+            currentOffset += glyph.advance;
+
+            if (!firstWord && currentOffset > rect.width - textSize * 2)
+            {
+                pos = wordBegining;
+                text[pos] = '\n';
+                firstWord = true;
+                currentOffset = 0;
+            }
+        }
+    }
+
     box(rect);
     GUI::text(sf::FloatRect(rect.left + textSize, rect.top + textSize, rect.width - textSize * 2, rect.height - textSize * 2), text, align, textSize, color);
 }