Re: Highlight Text like with FIne
Ross - That looks like a good solution, basically, I'm highlighting the
background versus the actual text. Very clever. This approach has the added
advantage of preventing the user from accidentally deleting text because it's
not a real highligh. I'll try this out tonight.
Using this code I was able to highlight text in an textView but again, it's
highlighting the text, not the background:
NSString *s = [textView string];
NSMutableArray *selRangeArray = [[NSMutableArray alloc] init];
if ([s length] 0) {
NSRange r = [s rangeOfString:searchText
options:NSCaseInsensitiveSearch range:NSMakeRange(0, [s length])];
while (r.location != NSNotFound) {
[selRangeArray addObject:[NSValue
valueWithRange:r]];
NSUInteger newStart = r.location + r.length;
r = [s rangeOfString:searchText
options:NSCaseInsensitiveSearch range:NSMakeRange(newStart, [s length] -
newStart)];
}
if ([selRangeArray count] 0) {
[textView setSelectedRanges:selRangeArray];
}
}
On Sep 6, 2010, at 1:19 PM, Ross Carter wrote:
On Sep 5, 2010, at 7:33 PM, Brad Stone wrote:
I want to highlight different substrings contained in controls in a window
(two different comboBoxes for example) programmatically when the user is
searching for a subString. I can do this for one comboBox but not both
simultaneously. Here's one.
NSString *s = [titleComboBox stringValue];
NSRange r = [s rangeOfString:searchText options:NSCaseInsensitiveSearch
range:NSMakeRange(0, [s length])];
[titleComboBox selectText:w];
if (r.location != NSNotFound) {
// this is needed to select the substring
NSText *textEditor = [w fieldEditor:YES forObject:titleComboBox];
[textEditor setSelectedRange:r];
}
But this only highlights the text in the titleComboBox. If I then repeat
this to highlight the text in the categoryComboBox by repeating the code,
titleComboBox gets deselected and categoryComboBox gets selected. I want to
highlight them both simultaneously. I'd also rather use the big yellow
highlight like with the find panel (but that's later).
Is this possible?
Your code will not work because there can be only one active field editor at
a time, and you are controlling the text by manipulating the selectedRange
property of the field editor.
I would be inclined to try using attributed strings to show the selection.
Maybe something like this:
if (r.location != NSNotFound) {
NSMutableAttributedString *stringWithSelection =
[[NSMutableAttributedString alloc] initWithString:s];
[stringWithSelection addAttribute: NSBackgroundColorAttributeName
value:[NSColor yellowColor] range:r];
// set control value to stringWithSelection, using whatever technique
is appropriate
[stringWithSelection release];
}
To deselect, just set the control value to [[control attributedStringValue]
string].
There are other ways to do what you need. This might be the most
straightforward.
-Ross
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Re: Highlight Text like with FIne
On Sep 5, 2010, at 7:33 PM, Brad Stone wrote:
I want to highlight different substrings contained in controls in a window
(two different comboBoxes for example) programmatically when the user is
searching for a subString. I can do this for one comboBox but not both
simultaneously. Here's one.
NSString *s = [titleComboBox stringValue];
NSRange r = [s rangeOfString:searchText options:NSCaseInsensitiveSearch
range:NSMakeRange(0, [s length])];
[titleComboBox selectText:w];
if (r.location != NSNotFound) {
// this is needed to select the substring
NSText *textEditor = [w fieldEditor:YES forObject:titleComboBox];
[textEditor setSelectedRange:r];
}
But this only highlights the text in the titleComboBox. If I then repeat
this to highlight the text in the categoryComboBox by repeating the code,
titleComboBox gets deselected and categoryComboBox gets selected. I want to
highlight them both simultaneously. I'd also rather use the big yellow
highlight like with the find panel (but that's later).
Is this possible?
Your code will not work because there can be only one active field editor at a
time, and you are controlling the text by manipulating the selectedRange
property of the field editor.
I would be inclined to try using attributed strings to show the selection.
Maybe something like this:
if (r.location != NSNotFound) {
NSMutableAttributedString *stringWithSelection =
[[NSMutableAttributedString alloc] initWithString:s];
[stringWithSelection addAttribute: NSBackgroundColorAttributeName
value:[NSColor yellowColor] range:r];
// set control value to stringWithSelection, using whatever technique
is appropriate
[stringWithSelection release];
}
To deselect, just set the control value to [[control attributedStringValue]
string].
There are other ways to do what you need. This might be the most
straightforward.
-Ross
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Highlight Text like with FIne
I want to highlight different substrings contained in controls in a window (two
different comboBoxes for example) programmatically when the user is searching
for a subString. I can do this for one comboBox but not both simultaneously.
Here's one.
NSString *s = [titleComboBox stringValue];
NSRange r = [s rangeOfString:searchText options:NSCaseInsensitiveSearch
range:NSMakeRange(0, [s length])];
[titleComboBox selectText:w];
if (r.location != NSNotFound) {
// this is needed to select the substring
NSText *textEditor = [w fieldEditor:YES forObject:titleComboBox];
[textEditor setSelectedRange:r];
}
But this only highlights the text in the titleComboBox. If I then repeat this
to highlight the text in the categoryComboBox by repeating the code,
titleComboBox gets deselected and categoryComboBox gets selected. I want to
highlight them both simultaneously. I'd also rather use the big yellow
highlight like with the find panel (but that's later).
Is this possible?
Thanks___
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