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Diffstat (limited to 'src/Fl_Window.cxx')
| -rw-r--r-- | src/Fl_Window.cxx | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/Fl_Window.cxx b/src/Fl_Window.cxx index 8cf091427..70701bab6 100644 --- a/src/Fl_Window.cxx +++ b/src/Fl_Window.cxx @@ -554,6 +554,53 @@ int Fl_Window::handle(int ev) return Fl_Group::handle(ev); } +/** + Sets the allowable range the user can resize this window to. + This only works for top-level windows. + <UL> + <LI>\p minw and \p minh are the smallest the window can be. + Either value must be greater than 0.</LI> + <LI>\p maxw and \p maxh are the largest the window can be. If either is + <I>equal</I> to the minimum then you cannot resize in that direction. + If either is zero then FLTK picks a maximum size in that direction + such that the window will fill the screen.</LI> + <LI>\p dw and \p dh are size increments. The window will be constrained + to widths of minw + N * dw, where N is any non-negative integer. + If these are less or equal to 1 they are ignored (this is ignored + on WIN32).</LI> + <LI>\p aspect is a flag that indicates that the window should preserve its + aspect ratio. This only works if both the maximum and minimum have + the same aspect ratio (ignored on WIN32 and by many X window managers). + </LI> + </UL> + + If this function is not called, FLTK tries to figure out the range + from the setting of resizable(): + <UL> + <LI>If resizable() is NULL (this is the default) then the window cannot + be resized and the resize border and max-size control will not be + displayed for the window.</LI> + <LI>If either dimension of resizable() is less than 100, then that is + considered the minimum size. Otherwise the resizable() has a minimum + size of 100.</LI> + <LI>If either dimension of resizable() is zero, then that is also the + maximum size (so the window cannot resize in that direction).</LI> + </UL> + + It is undefined what happens if the current size does not fit in the + constraints passed to size_range(). + */ +void Fl_Window::size_range(int minw, int minh, int maxw, int maxh, int dw, int dh, int aspect) { + this->minw = minw; + this->minh = minh; + this->maxw = maxw; + this->maxh = maxh; + this->dw = dw; + this->dh = dh; + this->aspect = aspect; + pWindowDriver->size_range(); +} + // // End of "$Id$". // |