text utils

1 files changed, 88 insertions, 0 deletions

diff --git a/src/FbTk/Text.cc b/src/FbTk/Text.cc
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+// Text.cc for FbTk - text utils
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: Text.cc,v 1.1 2002/12/02 20:11:58 fluxgen Exp $
+
+#include "Text.hh"
+
+#include "Font.hh"
+#include "Theme.hh"
+
+#include <strings.h>
+
+namespace FbTk {
+
+int doAlignment(int max_width, int bevel, FbTk::Justify justify, 
+                const FbTk::Font &font, const char * const text, 
+                unsigned int textlen, unsigned int &newlen) {
+
+    if (text == 0 || textlen == 0)
+        return 0;
+
+    int l = font.textWidth(text, textlen) + bevel;
+    size_t dlen = textlen;
+    int dx = bevel;
+    if (l > max_width) {
+        for (; dlen > 0; dlen--) {
+            l = font.textWidth(text, dlen) + bevel;
+            if (l<=max_width)
+                break;
+        }
+    }
+
+    newlen = dlen;
+
+    switch (justify) {
+    case FbTk::RIGHT:
+        dx = max_width - l - bevel;
+        break;
+    case FbTk::CENTER:
+        dx = (max_width - l)/2;
+        break;
+    case FbTk::LEFT:
+        break;
+    }
+        
+    return dx;
+}
+
+/// specialization for Justify
+template <>
+void ThemeItem<FbTk::Justify>::setDefaultValue() {
+    m_value = LEFT;
+}
+
+template <>
+void ThemeItem<FbTk::Justify>::setFromString(const char *value) {
+    if (strcasecmp("center", value) == 0)
+        m_value = FbTk::CENTER;
+    else if (strcasecmp("right", value) == 0)
+        m_value = FbTk::RIGHT;
+    else // default
+        setDefaultValue();
+}
+
+// do nothing
+template <>
+void ThemeItem<FbTk::Justify>::load() {
+}
+
+}; // end namespace FbTk