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2012-02-27 19:55
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laz-tooltip-001.png (8,064 bytes) |
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I don't know if this makes any difference, but I tried putting a button on a form & added some hint text, then built it, & when I ran it the problem was in that prog too. In light of this, perhaps it's not a fault with the IDE as such, but something on which the IDE depends? |
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Please test and close if ok. |
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It took me a while to figure out how to get the file & what to do with it, but I think I've got it sorted in the end. The problem does appear to have gone away now, but before I close this issue I wanted to share a thought that occurred to me, & see what you think. You said: "win32: don't try to draw tooltip text in windows XP using themes - XP themes does not know how to draw it (bug 0021386)". Whilst I was waiting for a response to my bug report, I had a bit of a wander through some of the source files. Admittedly most of it went over my head, as I'm still very much the FPC/Lazarus newbie, but I did notice something that seems kinda odd. In forms.pp I saw that it sets the background colour for tooltips to clInfoBk, but didn't manage to find anything that looked like the tooltip text colour being set to clInfoText. In fact, clInfoText doesn't get a mention in forms.pp at all. As I said, I'm still very much an FPC/Lazarus newbie, so there may well be some reason for the apparent omission that is obvious to everybody else, but I just thought I'd mention it. |
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Look at THintWindow.Create() Canvas.Font := Screen.HintFont; Then look at TScreen.GetHintFont() FHintFont.Color := clInfoText The problem with themed application was that DrawThemeBackground() and DrawThemeText() on windows XP are not implemented for ToolTip part drawing while they perfectly work since windows vista. As result neither the hint background is drawn correctly by XP theme manager (and LCL replaces the background drawing by own means) not the hint text. |
- Anonymous
