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Doc: repeat that screens are numbered starting from 0 in the API

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ManoloFLTK
2022-11-28 10:08:44 +01:00
parent c827292ec9
commit 401b3dc008
2 changed files with 6 additions and 3 deletions
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src/Fl.cxx
+2 -2
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@@ -2162,13 +2162,13 @@ int Fl::get_font_sizes(Fl_Font fnum, int*& sizep) {
return Fl_Graphics_Driver::default_driver().get_font_sizes(fnum, sizep); return Fl_Graphics_Driver::default_driver().get_font_sizes(fnum, sizep);
} }
/** Current value of the GUI scaling factor for screen number \p n */ /** Current value of the GUI scaling factor for screen number \p n (n ∈ [0 , Fl::screen_count()-1]) */
float Fl::screen_scale(int n) { float Fl::screen_scale(int n) {
if (!Fl::screen_scaling_supported() || n < 0 || n >= Fl::screen_count()) return 1.; if (!Fl::screen_scaling_supported() || n < 0 || n >= Fl::screen_count()) return 1.;
return Fl::screen_driver()->scale(n); return Fl::screen_driver()->scale(n);
} }
/** Sets the value of the GUI scaling factor for screen number \p n. /** Sets the value of the GUI scaling factor for screen number \p n (n ∈ [0 , Fl::screen_count()-1]).
Also sets the scale factor value of all windows mapped to screen number \p n, if any. Also sets the scale factor value of all windows mapped to screen number \p n, if any.
*/ */
void Fl::screen_scale(int n, float factor) { void Fl::screen_scale(int n, float factor) {
src/screen_xywh.cxx
+4 -1
View File
@@ -56,7 +56,8 @@ int Fl::h()
/** /**
Gets the number of available screens. Gets the total count of available screens.
\note Screen numbers range from 0 to Fl::screen_count()-1 in the FLTK API.
*/ */
int Fl::screen_count() int Fl::screen_count()
{ {
@@ -131,6 +132,7 @@ void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int
Gets the screen number of a screen Gets the screen number of a screen
that contains the specified screen position \p x, \p y that contains the specified screen position \p x, \p y
\param[in] x, y the absolute screen position \param[in] x, y the absolute screen position
\return a screen number ∈ [0 , Fl::screen_count()-1]
*/ */
int Fl::screen_num(int x, int y) int Fl::screen_num(int x, int y)
{ {
@@ -143,6 +145,7 @@ int Fl::screen_num(int x, int y)
which intersects the most with the rectangle which intersects the most with the rectangle
defined by \p x, \p y, \p w, \p h. defined by \p x, \p y, \p w, \p h.
\param[in] x, y, w, h the rectangle to search for intersection with \param[in] x, y, w, h the rectangle to search for intersection with
\return a screen number ∈ [0 , Fl::screen_count()-1]
*/ */
int Fl::screen_num(int x, int y, int w, int h) int Fl::screen_num(int x, int y, int w, int h)
{ {