QNX RTOS v4 Knowledge Base
QNX RTOS v4 Knowledge Base
| Title |
Displaying special symbols in a PtText widget |
| Ref. No. |
QNX.000009897 |
| Category(ies) |
Development |
| Issue |
We need to display longitude/latitude data in a PtText widget. The text is formatted to include a degree symbol(0xF8). Under QNX Windows this character is correctly displayed. Under Photon the PtText widget truncates the text at the degree character (using helv12 as the font).
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| Solution |
If you are doing something like this:
x09sprintf(string, "%dxF8", degrees);
-then you are generating invalid UTF. PtText truncates its string on an invalid character. Your code works under QNX Windows because it does not use UTF-8 or Unicode.
The Unicode value for the degree symbol is 0x00B0.
The UTF encoding of it is "xC2xB0". Change your code to something like this:
x09sprintf(string, "%dxC2xB0",degrees);
or simply load the C code into ped and enter the degree character (Alt-0-^).
NOTE: Keep in mind though that the UTF sequences that ped inserts into your code will not be displayed correctly in text-mode editors, especially in the QNX mode. |
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