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author | Sven Eden <sven.eden@gmx.de> | 2013-01-16 20:07:06 +0100 |
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committer | Sven Eden <sven.eden@gmx.de> | 2013-01-16 20:07:06 +0100 |
commit | 0d72a4ce141c7213e4bbacb30f966c108dbcf7af (patch) | |
tree | 22016420b6140e69fefd6774e7fbdc4f91202d6b /ufed-curses.c | |
parent | Portage.pm: get_eprefix() now filteres warnings from portageq and (diff) | |
download | ufed-0d72a4ce141c7213e4bbacb30f966c108dbcf7af.tar.gz ufed-0d72a4ce141c7213e4bbacb30f966c108dbcf7af.tar.bz2 ufed-0d72a4ce141c7213e4bbacb30f966c108dbcf7af.zip |
Fixed the scrollbar:
The height is now relative to the displayed list.
The position is fixed according of the state of the masked flags
filtering.
Diffstat (limited to 'ufed-curses.c')
-rw-r--r-- | ufed-curses.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/ufed-curses.c b/ufed-curses.c index d7ff8da..65ffe67 100644 --- a/ufed-curses.c +++ b/ufed-curses.c @@ -27,6 +27,7 @@ static struct item *items, *currentitem; /* external members */ int topy, minwidth; extern enum mask showMasked; +extern int firstNormalY; /* internal prototypes */ static void checktermsize(void); @@ -129,8 +130,34 @@ static void drawscrollbar(void) { wattrset(w, COLOR_PAIR(3) | A_BOLD); mvwaddch(w, 0, 0, ACS_UARROW); wvline(w, ACS_CKBOARD, wHeight(Scrollbar)-3); - if(items->prev->top+items->prev->height > wHeight(List)) - mvwaddch(w, 1+(wHeight(Scrollbar)-3)*topy/(items->prev->top+items->prev->height-(wHeight(List)-1)), 0, ACS_BLOCK); + + /* The scrollbar location differs related to the + * current filtering of masked flags. + */ + int bottomY = items->prev->top + items->prev->height; + // Case 1: Masked flags are not displayed (the default) + int listHeight = bottomY - firstNormalY; + int listTopY = topy - firstNormalY; + if (show_masked == showMasked) { + // Case 2: Only masked flags are displayed + listHeight = firstNormalY; + listTopY = topy; + } + else if (show_both == showMasked) { + // case 3: All flags are shown + listHeight = bottomY; + listTopY = topy; + } + + // Only show a scrollbar if the list is actually longer than can be displayed: + if (listHeight > wHeight(List)) { + int sbHeight = wHeight(Scrollbar) - 3; + int barStart = 1 + (sbHeight * listTopY / listHeight); + int barEnd = barStart + (sbHeight * wHeight(List) / listHeight); + for ( ; barStart <= barEnd; ++barStart) + mvwaddch(w, barStart, 0, ACS_BLOCK); + } + mvwaddch(w, wHeight(Scrollbar)-2, 0, ACS_DARROW); mvwaddch(w, wHeight(Scrollbar)-1, 0, ACS_VLINE); wnoutrefresh(w); |