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LAB: Improve whitespace handling in flowText

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flowText was handling presence/absence of whitespace after lines
inconsistently. This caused end-of-string to be missed, which broke
last-page detection in the journal. It also introduced extra spaces at the
beginning of pages.
This commit is contained in:
Willem Jan Palenstijn 2015-12-24 15:23:20 +01:00
parent 6ad6632070
commit a08dd694e5
1 changed files with 19 additions and 16 deletions
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35
engines/lab/dispman.cpp
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@ -120,26 +120,29 @@ Common::String DisplayMan::getWord(const char *mainBuffer) {
Common::String DisplayMan::getLine(TextFont *tf, const char **mainBuffer, uint16 lineWidth) {
uint16 curWidth = 0;
Common::String result;
bool doit = true;
lineWidth += textLength(tf, " ");
while ((*mainBuffer)[0] && doit) {
Common::String wordBuffer = getWord(*mainBuffer) + " ";
while ((*mainBuffer)[0]) {
Common::String wordBuffer = getWord(*mainBuffer);
if ((curWidth + textLength(tf, wordBuffer)) <= lineWidth) {
result += wordBuffer;
(*mainBuffer) += wordBuffer.size() - 1;
(*mainBuffer) += wordBuffer.size();
if ((*mainBuffer)[0] == '\n')
doit = false;
if ((*mainBuffer)[0])
// end of line
if ((*mainBuffer)[0] == '\n') {
(*mainBuffer)++;
break;
}
// append any space after the word
if ((*mainBuffer)[0]) {
result += (*mainBuffer)[0];
(*mainBuffer)++;
}
curWidth = textLength(tf, result);
} else
doit = false;
break;
}
return result;
@ -161,19 +164,20 @@ int DisplayMan::flowText(TextFont *font, int16 spacing, byte penColor, byte back
if (!str)
return 0;
const char *orig = str;
TextFont *msgFont = font;
uint16 fontHeight = textHeight(msgFont) + spacing;
uint16 numLines = (textRect.height() + 1) / fontHeight;
uint16 width = textRect.width() + 1;
uint16 y = textRect.top;
Common::String lineBuffer;
if (centerv && output) {
const char *temp = str;
uint16 actlines = 0;
while (temp[0]) {
lineBuffer = getLine(msgFont, &temp, width);
getLine(msgFont, &temp, width);
actlines++;
}
@ -183,6 +187,7 @@ int DisplayMan::flowText(TextFont *font, int16 spacing, byte penColor, byte back
int len = 0;
while (numLines && str[0]) {
Common::String lineBuffer;
lineBuffer = getLine(msgFont, &str, width);
uint16 x = textRect.left;
@ -198,11 +203,9 @@ int DisplayMan::flowText(TextFont *font, int16 spacing, byte penColor, byte back
y += fontHeight;
}
len--;
_currentDisplayBuffer = saveDisplayBuffer;
return len;
return (str - orig);
}
void DisplayMan::createBox(uint16 y2) {