1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** GUIX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** Widget Management (Widget) */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
|
22 |
|
|
#define GX_SOURCE_CODE |
23 |
|
|
|
24 |
|
|
|
25 |
|
|
/* Include necessary system files. */ |
26 |
|
|
|
27 |
|
|
#include "gx_api.h" |
28 |
|
|
#include "gx_system.h" |
29 |
|
|
#include "gx_canvas.h" |
30 |
|
|
#include "gx_utility.h" |
31 |
|
|
#include "gx_widget.h" |
32 |
|
|
|
33 |
|
|
|
34 |
|
|
/**************************************************************************/ |
35 |
|
|
/* */ |
36 |
|
|
/* FUNCTION RELEASE */ |
37 |
|
|
/* */ |
38 |
|
|
/* _gx_widget_child_clipping_update PORTABLE C */ |
39 |
|
|
/* 6.1 */ |
40 |
|
|
/* AUTHOR */ |
41 |
|
|
/* */ |
42 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
43 |
|
|
/* */ |
44 |
|
|
/* DESCRIPTION */ |
45 |
|
|
/* */ |
46 |
|
|
/* Update the clipping members of each child widget to prevent them */ |
47 |
|
|
/* from drawing outside their parent's area. */ |
48 |
|
|
/* */ |
49 |
|
|
/* INPUT */ |
50 |
|
|
/* */ |
51 |
|
|
/* parent Pointer to parent widget */ |
52 |
|
|
/* */ |
53 |
|
|
/* OUTPUT */ |
54 |
|
|
/* */ |
55 |
|
|
/* None */ |
56 |
|
|
/* */ |
57 |
|
|
/* CALLS */ |
58 |
|
|
/* */ |
59 |
|
|
/* _gx_utility_rectangle_overlap_detect Detect overlapping widgets */ |
60 |
|
|
/* _gx_widget_child_clipping_update Updating child clipping area */ |
61 |
|
|
/* */ |
62 |
|
|
/* CALLED BY */ |
63 |
|
|
/* */ |
64 |
|
|
/* GUIX Internal Code */ |
65 |
|
|
/* GUIX application code */ |
66 |
|
|
/* */ |
67 |
|
|
/**************************************************************************/ |
68 |
|
42377 |
VOID _gx_widget_child_clipping_update(GX_WIDGET *parent) |
69 |
|
|
{ |
70 |
|
|
GX_WIDGET *child; |
71 |
|
|
GX_WIDGET *win; |
72 |
|
|
|
73 |
|
42377 |
child = parent -> gx_widget_first_child; |
74 |
|
|
|
75 |
✓✓ |
94004 |
while (child) |
76 |
|
|
{ |
77 |
|
66608 |
win = child -> gx_widget_parent; |
78 |
|
66608 |
_gx_utility_rectangle_overlap_detect(&win -> gx_widget_clip, |
79 |
|
|
&child -> gx_widget_size, &child -> gx_widget_clip); |
80 |
|
|
|
81 |
✓✓ |
66608 |
if (win -> gx_widget_type >= GX_TYPE_WINDOW && |
82 |
✓✓ |
46253 |
!(child -> gx_widget_status & GX_STATUS_NONCLIENT)) |
83 |
|
|
{ |
84 |
|
44482 |
_gx_utility_rectangle_overlap_detect(&((GX_WINDOW *)win) -> gx_window_client, |
85 |
|
|
&child -> gx_widget_clip, &child -> gx_widget_clip); |
86 |
|
|
} |
87 |
|
|
|
88 |
✓✓ |
66608 |
if (child -> gx_widget_first_child) |
89 |
|
|
{ |
90 |
|
9030 |
child = child -> gx_widget_first_child; |
91 |
|
9030 |
continue; |
92 |
|
|
} |
93 |
|
|
|
94 |
✓✓✓✓
|
81589 |
while ((child -> gx_widget_next == GX_NULL) && (child != parent)) |
95 |
|
|
{ |
96 |
|
24011 |
child = child -> gx_widget_parent; |
97 |
|
|
} |
98 |
|
|
|
99 |
✓✓ |
57578 |
if (child == parent) |
100 |
|
|
{ |
101 |
|
14981 |
break; |
102 |
|
|
} |
103 |
|
|
|
104 |
|
42597 |
child = child -> gx_widget_next; |
105 |
|
|
} |
106 |
|
42377 |
} |
107 |
|
|
|