1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* |
4 |
|
|
* This program and the accompanying materials are made available under the |
5 |
|
|
* terms of the MIT License which is available at |
6 |
|
|
* https://opensource.org/licenses/MIT. |
7 |
|
|
* |
8 |
|
|
* SPDX-License-Identifier: MIT |
9 |
|
|
**************************************************************************/ |
10 |
|
|
|
11 |
|
|
|
12 |
|
|
/**************************************************************************/ |
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/** */ |
15 |
|
|
/** GUIX Component */ |
16 |
|
|
/** */ |
17 |
|
|
/** Widget Management (Widget) */ |
18 |
|
|
/** */ |
19 |
|
|
/**************************************************************************/ |
20 |
|
|
|
21 |
|
|
#define GX_SOURCE_CODE |
22 |
|
|
|
23 |
|
|
|
24 |
|
|
/* Include necessary system files. */ |
25 |
|
|
|
26 |
|
|
#include "gx_api.h" |
27 |
|
|
#include "gx_system.h" |
28 |
|
|
#include "gx_canvas.h" |
29 |
|
|
#include "gx_utility.h" |
30 |
|
|
#include "gx_widget.h" |
31 |
|
|
|
32 |
|
|
|
33 |
|
|
/**************************************************************************/ |
34 |
|
|
/* */ |
35 |
|
|
/* FUNCTION RELEASE */ |
36 |
|
|
/* */ |
37 |
|
|
/* _gx_widget_children_draw PORTABLE C */ |
38 |
|
|
/* 6.1 */ |
39 |
|
|
/* AUTHOR */ |
40 |
|
|
/* */ |
41 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
42 |
|
|
/* */ |
43 |
|
|
/* DESCRIPTION */ |
44 |
|
|
/* */ |
45 |
|
|
/* This service draws all children of widget. */ |
46 |
|
|
/* */ |
47 |
|
|
/* INPUT */ |
48 |
|
|
/* */ |
49 |
|
|
/* widget Pointer to widget */ |
50 |
|
|
/* */ |
51 |
|
|
/* OUTPUT */ |
52 |
|
|
/* */ |
53 |
|
|
/* None */ |
54 |
|
|
/* */ |
55 |
|
|
/* CALLS */ |
56 |
|
|
/* */ |
57 |
|
|
/* _gx_canvas_drawing_complete Complete drawing on canvas */ |
58 |
|
|
/* _gx_canvas_drawing_initiate Initiate drawing on canvas */ |
59 |
|
|
/* _gx_utility_rectangle_overlap_detect Check for overlap */ |
60 |
|
|
/* [gx_widget_draw_function] Child widget drawing function */ |
61 |
|
|
/* */ |
62 |
|
|
/* CALLED BY */ |
63 |
|
|
/* */ |
64 |
|
|
/* Application Code */ |
65 |
|
|
/* GUIX Internal Code */ |
66 |
|
|
/* */ |
67 |
|
|
/* RELEASE HISTORY */ |
68 |
|
|
/* */ |
69 |
|
|
/* DATE NAME DESCRIPTION */ |
70 |
|
|
/* */ |
71 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
72 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
73 |
|
|
/* resulting in version 6.1 */ |
74 |
|
|
/* */ |
75 |
|
|
/**************************************************************************/ |
76 |
|
1668521 |
VOID _gx_widget_children_draw(GX_WIDGET *widget) |
77 |
|
|
{ |
78 |
|
|
UINT status; |
79 |
|
|
GX_WIDGET *child; |
80 |
|
|
GX_CANVAS *canvas; |
81 |
|
|
GX_DRAW_CONTEXT *context; |
82 |
|
|
GX_RECTANGLE *dirty_area; |
83 |
|
|
GX_RECTANGLE overlap; |
84 |
|
|
|
85 |
|
|
/* Pickup the first child. */ |
86 |
|
1668521 |
child = widget -> gx_widget_first_child; |
87 |
|
|
|
88 |
✓✓ |
1668521 |
if (!child) |
89 |
|
|
{ |
90 |
|
1303077 |
return; |
91 |
|
|
} |
92 |
|
|
|
93 |
|
|
/* pick up the current context */ |
94 |
|
365444 |
context = _gx_system_current_draw_context; |
95 |
|
|
|
96 |
|
|
/* pickup the current canvas */ |
97 |
|
|
|
98 |
|
365444 |
canvas = context -> gx_draw_context_canvas; |
99 |
|
365444 |
dirty_area = &(context -> gx_draw_context_dirty); |
100 |
|
|
|
101 |
|
|
/* Draw all the child widgets that overlap the clipping area. */ |
102 |
|
|
|
103 |
✓✓ |
2513874 |
while (child) |
104 |
|
|
{ |
105 |
✓✓ |
2148430 |
if (child -> gx_widget_status & GX_STATUS_VISIBLE) |
106 |
|
|
{ |
107 |
✓✓ |
2096938 |
if (_gx_utility_rectangle_overlap_detect(&child -> gx_widget_clip, dirty_area, &overlap)) |
108 |
|
|
{ |
109 |
|
|
/* Initiate drawing on this canvas. */ |
110 |
|
1455703 |
status = _gx_canvas_drawing_initiate(canvas, child, &overlap); |
111 |
|
|
|
112 |
✓✓ |
1455703 |
if (status == GX_SUCCESS) |
113 |
|
|
{ |
114 |
|
|
/* Yes, draw the child widget. */ |
115 |
|
1453910 |
child -> gx_widget_draw_function(child); |
116 |
|
1453910 |
_gx_canvas_drawing_complete(canvas, GX_FALSE); |
117 |
|
|
} |
118 |
|
|
else |
119 |
|
|
{ |
120 |
✓✓ |
1793 |
if (status == GX_NO_VIEWS) |
121 |
|
|
{ |
122 |
|
|
/* Complete drawing on this canvas. */ |
123 |
|
1724 |
_gx_canvas_drawing_complete(canvas, GX_FALSE); |
124 |
|
|
} |
125 |
|
|
} |
126 |
|
|
} |
127 |
|
|
} |
128 |
|
|
|
129 |
|
|
/* Move to next child. */ |
130 |
|
2148430 |
child = child -> gx_widget_next; |
131 |
|
|
} |
132 |
|
|
} |
133 |
|
|
|