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(svn r6405) -Codechange: When showing tooltips, properly position the tooltip, considering 

cursor size and cursor offset (hotspot). The maximum and minimum y-values
 for the tooltip are just below the mainbar and statusbar. Also, if the tooltip
 would be too low, flip it above the cursor.
This commit is contained in:
Darkvater 2006-09-05 23:11:41 +00:00
parent 3b279b502f
commit 516d412a77
1 changed files with 9 additions and 11 deletions
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20
misc_gui.c
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@ -666,27 +666,25 @@ void GuiShowTooltips(StringID string_id)
GetString(buffer, string_id);
right = GetStringWidth(buffer) + 4;
right = GetStringWidth(buffer) + 6;
/* Cut tooltip length to 200 pixels max, wrap to new line if longer */
bottom = 14;
if (right > 200) {
bottom += ((right - 4) / 176) * 10;
right = 200;
}
y = _cursor.pos.y + 30;
if (y < 22) y = 22;
if (y > (_screen.height - 44) && (y-=52) > (_screen.height - 44))
y = (_screen.height - 44);
x = _cursor.pos.x - (right >> 1);
if (x < 0) x = 0;
if (x > (_screen.width - right)) x = _screen.width - right;
/* Correctly position the tooltip position, watch out for window and cursor size
* Clamp value to below main toolbar and above statusbar. If tooltip would
* go below window, flip it so it is shown above the cursor */
y = clamp(_cursor.pos.y + _cursor.size.y + _cursor.offs.y + 5, 22, _screen.height - 12);
if (y + bottom > _screen.height - 12) y = _cursor.pos.y + _cursor.offs.y - bottom - 5;
x = clamp(_cursor.pos.x - (right >> 1), 0, _screen.width - right);
w = AllocateWindow(x, y, right, bottom, TooltipsWndProc, WC_TOOLTIPS, _tooltips_widgets);
WP(w,tooltips_d).string_id = string_id;
w->flags4 &= ~WF_WHITE_BORDER_MASK;
w->flags4 &= ~WF_WHITE_BORDER_MASK; // remove white-border from tooltip
w->widget[0].right = right;
w->widget[0].bottom = bottom;
}