Fleshing out the chat entry widget.

interface/src/ChatEntry.cpp

@@ -5,8 +5,59 @@
 //  Created by Andrzej Kapolka on 4/24/13.
 //  Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
 
+#include "InterfaceConfig.h"
+
 #include "ChatEntry.h"
+#include "Util.h"
+
+using namespace std;
+
+bool ChatEntry::key(unsigned char k) {
+    switch (k) {
+        case '\r':
+            return false;
+        
+        case '\b':
+            if (cursorPos != 0) {
+                contents.erase(cursorPos - 1, 1);
+                cursorPos--;
+            }
+            return true;
+            
+        default:
+            contents.insert(cursorPos, 1, k);
+            cursorPos++;
+            return true;
+    }
+}
+
+void ChatEntry::specialKey(unsigned char k) {
+    switch (k) {
+        case GLUT_KEY_LEFT:
+            if (cursorPos != 0) {
+                cursorPos--;
+            }
+            break;
+            
+        case GLUT_KEY_RIGHT:
+            if (cursorPos != contents.size()) {
+                cursorPos++;
+            }
+            break;
+    }
+}
 
 void ChatEntry::render(int screenWidth, int screenHeight) {
+    drawtext(20, screenHeight - 150, 0.10, 0, 1.0, 0, contents.c_str(), 1, 1, 1);
     
+    float width = 0;
+    for (string::iterator it = contents.begin(), end = it + cursorPos; it != end; it++) {
+        width += glutStrokeWidth(GLUT_STROKE_ROMAN, *it)*0.10;
+    }
+    glDisable(GL_LINE_SMOOTH);
+    glBegin(GL_LINE_STRIP);
+    glVertex2f(20 + width, screenHeight - 165);
+    glVertex2f(20 + width, screenHeight - 150);
+    glEnd();
+    glEnable(GL_LINE_SMOOTH);
 }

interface/src/ChatEntry.h

@@ -9,12 +9,24 @@
 #ifndef __interface__ChatEntry__
 #define __interface__ChatEntry__
 
+#include <string>
+
 class ChatEntry {
 public:
 
+    const std::string& getContents () const { return contents; }
+    
+    bool key(unsigned char k);
+    
+    void specialKey(unsigned char k);
+    
     void render(int screenWidth, int screenHeight);
     
 private:
+
+    std::string contents;
+    
+    int cursorPos;
 };
 
 #endif /* defined(__interface__ChatEntry__) */

interface/src/main.cpp

@@ -1331,6 +1331,11 @@ void specialkeyUp(int k, int x, int y) {
 
 void specialkey(int k, int x, int y)
 {
+    if (::chatEntryOn) {
+        chatEntry.specialKey(k);
+        return;
+    }
+    
     if (k == GLUT_KEY_UP || k == GLUT_KEY_DOWN || k == GLUT_KEY_LEFT || k == GLUT_KEY_RIGHT) {
         if (k == GLUT_KEY_UP) {
             if (glutGetModifiers() == GLUT_ACTIVE_SHIFT) myAvatar.setDriveKeys(UP, 1);
@@ -1368,7 +1373,10 @@ void keyUp(unsigned char k, int x, int y) {
 void key(unsigned char k, int x, int y)
 {
     if (::chatEntryOn) {
-        
+        if (!chatEntry.key()) {
+            
+            ::chatEntryOn = false;
+        }
         return;
     }