1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
diff -up fltk-1.3.0r9619/FL/Fl.H.screen_num fltk-1.3.0r9619/FL/Fl.H
--- fltk-1.3.0r9619/FL/Fl.H.screen_num 2012-07-03 13:49:28.663085580 +0200
+++ fltk-1.3.0r9619/FL/Fl.H 2012-07-03 13:49:28.731084402 +0200
@@ -806,6 +806,8 @@ public:
static void screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my);
static void screen_xywh(int &X, int &Y, int &W, int &H, int n);
static void screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh);
+ static int screen_num(int x, int y);
+ static int screen_num(int x, int y, int w, int h);
static void screen_dpi(float &h, float &v, int n=0);
static void screen_work_area(int &X, int &Y, int &W, int &H, int mx, int my);
static void screen_work_area(int &X, int &Y, int &W, int &H, int n);
diff -up fltk-1.3.0r9619/src/screen_xywh.cxx.screen_num fltk-1.3.0r9619/src/screen_xywh.cxx
--- fltk-1.3.0r9619/src/screen_xywh.cxx.screen_num 2012-03-23 17:47:53.000000000 +0100
+++ fltk-1.3.0r9619/src/screen_xywh.cxx 2012-07-03 13:58:01.947195396 +0200
@@ -215,21 +215,6 @@ int Fl::screen_count() {
return num_screens ? num_screens : 1;
}
-static int find_screen_with_point(int mx, int my) {
- int screen = 0;
- if (num_screens < 0) screen_init();
-
- for (int i = 0; i < num_screens; i ++) {
- int sx, sy, sw, sh;
- Fl::screen_xywh(sx, sy, sw, sh, i);
- if ((mx >= sx) && (mx < (sx+sw)) && (my >= sy) && (my < (sy+sh))) {
- screen = i;
- break;
- }
- }
- return screen;
-}
-
/**
Gets the bounding box of a screen
that contains the specified screen position \p mx, \p my
@@ -237,7 +222,7 @@ static int find_screen_with_point(int mx
\param[in] mx, my the absolute screen position
*/
void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my) {
- screen_xywh(X, Y, W, H, find_screen_with_point(mx, my));
+ screen_xywh(X, Y, W, H, screen_num(mx, my));
}
@@ -248,7 +233,7 @@ void Fl::screen_xywh(int &X, int &Y, int
\param[in] mx, my the absolute screen position
*/
void Fl::screen_work_area(int &X, int &Y, int &W, int &H, int mx, int my) {
- screen_work_area(X, Y, W, H, find_screen_with_point(mx, my));
+ screen_work_area(X, Y, W, H, screen_num(mx, my));
}
/**
@@ -321,6 +306,38 @@ void Fl::screen_xywh(int &X, int &Y, int
#endif // WIN32
}
+/**
+ Gets the screen bounding rect for the screen
+ which intersects the most with the rectangle
+ defined by \p mx, \p my, \p mw, \p mh.
+ \param[out] X,Y,W,H the corresponding screen bounding box
+ \param[in] mx, my, mw, mh the rectangle to search for intersection with
+ \see void screen_xywh(int &X, int &Y, int &W, int &H, int n)
+ */
+void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh) {
+ screen_xywh(X, Y, W, H, screen_num(mx, my, mw, mh));
+}
+
+/**
+ Gets the screen number of a screen
+ that contains the specified screen position \p x, \p y
+ \param[in] x, y the absolute screen position
+*/
+int Fl::screen_num(int x, int y) {
+ int screen = 0;
+ if (num_screens < 0) screen_init();
+
+ for (int i = 0; i < num_screens; i ++) {
+ int sx, sy, sw, sh;
+ Fl::screen_xywh(sx, sy, sw, sh, i);
+ if ((x >= sx) && (x < (sx+sw)) && (y >= sy) && (y < (sy+sh))) {
+ screen = i;
+ break;
+ }
+ }
+ return screen;
+}
+
static inline float fl_intersection(int x1, int y1, int w1, int h1,
int x2, int y2, int w2, int h2) {
if(x1+w1 < x2 || x2+w2 < x1 || y1+h1 < y2 || y2+h2 < y1)
@@ -333,30 +350,27 @@ static inline float fl_intersection(int
}
/**
- Gets the screen bounding rect for the screen
+ Gets the screen number for the screen
which intersects the most with the rectangle
- defined by \p mx, \p my, \p mw, \p mh.
- \param[out] X,Y,W,H the corresponding screen bounding box
- \param[in] mx, my, mw, mh the rectangle to search for intersection with
- \see void screen_xywh(int &X, int &Y, int &W, int &H, int n)
+ defined by \p x, \p y, \p w, \p h.
+ \param[in] x, y, w, h the rectangle to search for intersection with
*/
-void Fl::screen_xywh(int &X, int &Y, int &W, int &H, int mx, int my, int mw, int mh) {
+int Fl::screen_num(int x, int y, int w, int h) {
int best_screen = 0;
float best_intersection = 0.;
for(int i = 0; i < Fl::screen_count(); i++) {
int sx, sy, sw, sh;
Fl::screen_xywh(sx, sy, sw, sh, i);
- float sintersection = fl_intersection(mx, my, mw, mh, sx, sy, sw, sh);
+ float sintersection = fl_intersection(x, y, w, h, sx, sy, sw, sh);
if(sintersection > best_intersection) {
best_screen = i;
best_intersection = sintersection;
}
}
- screen_xywh(X, Y, W, H, best_screen);
+ return best_screen;
}
-
/**
Gets the screen resolution in dots-per-inch for the given screen.
\param[out] h, v horizontal and vertical resolution
|
