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Added Albrecht's patch to solve height calculation problem.

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Added replacing() call to handle horiz scroll calculations.



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6852 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Greg Ercolano 2009-09-08 01:43:57 +00:00
parent e60b85f94c
commit 0e29d4a553
1 changed files with 21 additions and 27 deletions
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48
src/Fl_Browser.cxx
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@ -864,20 +864,27 @@ void Fl_Browser::swap(int a, int b) {
If NULL, any previous icon is removed.
*/
void Fl_Browser::icon(int line, Fl_Image* icon) {
if (icon==0) {
remove_icon(line);
} else if (line>0 && line<=lines) {
// Update full_height_
FL_BLINE* l = find_line(line);
int dh = icon->h() - item_height(l) + 2; // leave 2px above/below
l->icon = icon; // define icon AFTER item_height() check
if (dh>0) {
full_height_ += dh;
redraw(); // icon larger than item? must redraw widget
} else {
redraw_line(l); // icon same or smaller? can redraw just this line
}
if (line<1 || line > lines) return;
FL_BLINE* bl = find_line(line);
int old_h = bl->icon ? bl->icon->h()+2 : 0; // init with *old* icon height
bl->icon = 0; // remove icon, if any
int th = item_height(bl); // height of text only
int new_h = icon ? icon->h()+2 : 0; // init with *new* icon height
if (th > old_h) old_h = th;
if (th > new_h) new_h = th;
int dh = new_h - old_h;
full_height_ += dh; // do this *always*
bl->icon = icon; // set new icon
if (dh>0) {
redraw(); // icon larger than item? must redraw widget
} else {
redraw_line(bl); // icon same or smaller? can redraw just this line
}
replacing(bl,bl); // recalc Fl_Browser_::max_width et al
}
/**
@ -897,20 +904,7 @@ Fl_Image* Fl_Browser::icon(int line) const {
\param[in] line The line whose icon is to be removed.
*/
void Fl_Browser::remove_icon(int line) {
if (line>0 && line<=lines) {
FL_BLINE* bl = find_line(line);
if (!bl->icon) return;
int dh = bl->icon->h()+2; // leave 2px above/below
bl->icon=0;
// update_full_height_
dh -= item_height(bl);
if (dh>0) {
full_height_ -= dh;
redraw(); // if icon was larger, must redraw window
} else {
redraw_line(bl); // if icon same size or smaller, can just redraw line
}
}
icon(line,0);
}
//