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 /**   Drop List (List)                                                    */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 #include "gx_api.h"
26 #include "gx_widget.h"
27 #include "gx_system.h"
28 #include "gx_drop_list.h"
29 #include "gx_context.h"
30 #include "gx_canvas.h"
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_drop_list_background_draw                       PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function draws the background of drop list, which is a special */
45 /*    type of widget.                                                     */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    drop list                             Drop List control block       */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    None                                                                */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_widget_border_draw                Draw the border               */
58 /*    _gx_context_pixelmap_get              Retrieve pixelmap image       */
59 /*    _gx_widget_border_width_get           Get the border width          */
60 /*    _gx_widget_client_get                 Find the client area of a     */
61 /*                                            widget                      */
62 /*    _gx_canvas_pixelmap_tile              Tile a pixelmap               */
63 /*    _gx_canvas_pixelmap_draw              Draw a pixelmap               */
64 /*    _gx_widget_background_draw            Draw widget background        */
65 /*                                                                        */
66 /*  CALLED BY                                                             */
67 /*                                                                        */
68 /*    _gx_drop_list_draw                                                  */
69 /*                                                                        */
70 /*  RELEASE HISTORY                                                       */
71 /*                                                                        */
72 /*    DATE              NAME                      DESCRIPTION             */
73 /*                                                                        */
74 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
75 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
76 /*                                            resulting in version 6.1    */
77 /*                                                                        */
78 /**************************************************************************/
_gx_drop_list_background_draw(GX_DROP_LIST * drop_list)79 VOID  _gx_drop_list_background_draw(GX_DROP_LIST *drop_list)
80 {
81 GX_RESOURCE_ID      pixelmap_id;
82 GX_PIXELMAP        *map;
83 GX_VALUE            xpos;
84 GX_VALUE            ypos;
85 GX_WIDGET          *widget;
86 GX_VALUE            border_width;
87 GX_COLOR            color;
88 GX_RECTANGLE        client;
89 
90     widget = (GX_WIDGET *)drop_list;
91     map = GX_NULL;
92     pixelmap_id = drop_list -> gx_drop_list_pixelmap;
93 
94     if (pixelmap_id)
95     {
96         _gx_context_pixelmap_get(pixelmap_id, &map);
97     }
98 
99     if (map)
100     {
101         _gx_widget_border_width_get(widget, &border_width);
102         color = widget -> gx_widget_normal_fill_color;
103         _gx_widget_border_draw(widget, GX_COLOR_ID_DEFAULT_BORDER, color, color, GX_TRUE);
104 
105         if (drop_list -> gx_widget_style & GX_STYLE_TILE_BACKGROUND)
106         {
107             _gx_widget_client_get(widget, border_width, &client);
108             _gx_canvas_pixelmap_tile(&client, map);
109         }
110         else
111         {
112             xpos = (GX_VALUE)(widget->gx_widget_clip.gx_rectangle_left + border_width + 1);
113             ypos = (GX_VALUE)(widget->gx_widget_clip.gx_rectangle_top + border_width + 1);
114             _gx_canvas_pixelmap_draw(xpos, ypos, map);
115         }
116     }
117     else
118     {
119         _gx_widget_background_draw((GX_WIDGET *)drop_list);
120     }
121 }
122 
123