Hypertext: Fix alignment tags adding unwanted newlines (#9548)

diff --git a/src/gui/guiHyperText.cpp b/src/gui/guiHyperText.cpp
index 68fb8ea3d65812cea47999fdf57a38173331eabb..482b74f046d1ef00ed9b772745c9be2b979588a2 100644 (file)
--- a/src/gui/guiHyperText.cpp
+++ b/src/gui/guiHyperText.cpp
@@ -167,6 +167,7 @@ ParsedText::ParsedText(const wchar_t *text)
 
        m_element = NULL;
        m_paragraph = NULL;
+       m_end_paragraph_reason = ER_NONE;
 
        parse(text);
 }
@@ -191,7 +192,7 @@ void ParsedText::parse(const wchar_t *text)
                                cursor++;
                        // If text has begun, don't skip empty line
                        if (m_paragraph) {
-                               endParagraph();
+                               endParagraph(ER_NEWLINE);
                                enterElement(ELEMENT_SEPARATOR);
                        }
                        escape = false;
@@ -201,7 +202,7 @@ void ParsedText::parse(const wchar_t *text)
                if (c == L'\n') { // Unix breaks
                        // If text has begun, don't skip empty line
                        if (m_paragraph) {
-                               endParagraph();
+                               endParagraph(ER_NEWLINE);
                                enterElement(ELEMENT_SEPARATOR);
                        }
                        escape = false;
@@ -232,7 +233,7 @@ void ParsedText::parse(const wchar_t *text)
                pushChar(c);
        }
 
-       endParagraph();
+       endParagraph(ER_NONE);
 }
 
 void ParsedText::endElement()
@@ -240,11 +241,20 @@ void ParsedText::endElement()
        m_element = NULL;
 }
 
-void ParsedText::endParagraph()
+void ParsedText::endParagraph(EndReason reason)
 {
        if (!m_paragraph)
                return;
 
+       EndReason previous = m_end_paragraph_reason;
+       m_end_paragraph_reason = reason;
+       if (m_empty_paragraph && (reason == ER_TAG ||
+                       (reason == ER_NEWLINE && previous == ER_TAG))) {
+               // Ignore last empty paragraph
+               m_paragraph = nullptr;
+               m_paragraphs.pop_back();
+               return;
+       }
        endElement();
        m_paragraph = NULL;
 }
@@ -255,6 +265,7 @@ void ParsedText::enterParagraph()
                m_paragraphs.emplace_back();
                m_paragraph = &m_paragraphs.back();
                m_paragraph->setStyle(m_style);
+               m_empty_paragraph = true;
        }
 }
 
@@ -274,11 +285,15 @@ void ParsedText::enterElement(ElementType type)
 void ParsedText::pushChar(wchar_t c)
 {
        // New word if needed
-       if (c == L' ' || c == L'\t')
-               enterElement(ELEMENT_SEPARATOR);
-       else
+       if (c == L' ' || c == L'\t') {
+               if (!m_empty_paragraph)
+                       enterElement(ELEMENT_SEPARATOR);
+               else
+                       return;
+       } else {
+               m_empty_paragraph = false;
                enterElement(ELEMENT_TEXT);
-
+       }
        m_element->text += c;
 }
 
@@ -571,7 +586,7 @@ u32 ParsedText::parseTag(const wchar_t *text, u32 cursor)
                } else {
                        openTag(name, attrs)->style = m_paragraphtags[name];
                }
-               endParagraph();
+               endParagraph(ER_TAG);
 
        } else
                return 0; // Unknown tag

diff --git a/src/gui/guiHyperText.h b/src/gui/guiHyperText.h
index 093c84ccd9473e61d62f289d2c217ef83e6edaee..c55f8a70597e69241c2f3e7cd82257771686b4e6 100644 (file)
--- a/src/gui/guiHyperText.h
+++ b/src/gui/guiHyperText.h
@@ -134,11 +134,13 @@ class ParsedText
        Tag m_root_tag;
 
 protected:
+       typedef enum { ER_NONE, ER_TAG, ER_NEWLINE } EndReason;
+
        // Parser functions
        void enterElement(ElementType type);
        void endElement();
        void enterParagraph();
-       void endParagraph();
+       void endParagraph(EndReason reason);
        void pushChar(wchar_t c);
        ParsedText::Tag *newTag(const std::string &name, const AttrsList &attrs);
        ParsedText::Tag *openTag(const std::string &name, const AttrsList &attrs);
@@ -160,6 +162,8 @@ class ParsedText
        StyleList m_style;
        Element *m_element;
        Paragraph *m_paragraph;
+       bool m_empty_paragraph;
+       EndReason m_end_paragraph_reason;
 };
 
 class TextDrawer