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Windows scaling: fix computation of border sizes.

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The corrected error was to use, e.g.,
  int dx = W - w->w() * s;
which does not produce the desired integer value.
The correct writing is :
  int dx = W - int(w->w() * s);
This commit is contained in:
ManoloFLTK
2020-12-01 16:57:55 +01:00
parent 4531c6c48f
commit 4171cbe0be
1 changed files with 5 additions and 5 deletions
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src/Fl_win32.cxx
+5 -5
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@@ -1741,12 +1741,12 @@ static int fake_X_wm_style(const Fl_Window *w, int &X, int &Y, int &bt, int &bx,
W = r.right - r.left;
H = r.bottom - r.top;
bx = drawingX - r.left;
by = r.bottom - (drawingY + w->h() * s); // height of the bottom frame
by = r.bottom - int(drawingY + w->h() * s); // height of the bottom frame
bt = drawingY - r.top - by; // height of top caption bar
xoff = bx;
yoff = by + bt;
dx = W - w->w() * s;
dy = H - w->h() * s;
dx = W - int(w->w() * s);
dy = H - int(w->h() * s);
if (w_size_range_set && (w_maxw != w_minw || w_maxh != w_minh))
ret = 2;
else
@@ -1802,9 +1802,9 @@ static int fake_X_wm_style(const Fl_Window *w, int &X, int &Y, int &bt, int &bx,
Y = scr_y;
// Make client area's lower right corner visible
if (scr_x + scr_w < X + dx + w->w())
X = scr_x + scr_w - w->w() * s - dx;
X = scr_x + scr_w - int(w->w() * s) - dx;
if (scr_y + scr_h < Y + dy + w->h())
Y = scr_y + scr_h - w->h() * s - dy;
Y = scr_y + scr_h - int(w->h() * s) - dy;
// Make client area's upper left corner visible
if (X + xoff < scr_x)
X = scr_x - xoff;