1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** GUIX Component */ 17 /** */ 18 /** Drop List Management (List) */ 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_display.h" 30 #include "gx_context.h" 31 #include "gx_widget.h" 32 #include "gx_window.h" 33 #include "gx_utility.h" 34 #include "gx_drop_list.h" 35 36 37 /**************************************************************************/ 38 /* */ 39 /* FUNCTION RELEASE */ 40 /* */ 41 /* _gx_drop_list_draw PORTABLE C */ 42 /* 6.1 */ 43 /* AUTHOR */ 44 /* */ 45 /* Kenneth Maxwell, Microsoft Corporation */ 46 /* */ 47 /* DESCRIPTION */ 48 /* */ 49 /* This function draws the specified widget. */ 50 /* */ 51 /* INPUT */ 52 /* */ 53 /* drop_list Pointer to drop list widget */ 54 /* */ 55 /* OUTPUT */ 56 /* */ 57 /* None */ 58 /* */ 59 /* CALLS */ 60 /* */ 61 /* _gx_drop_list_background_draw Draw the widget background */ 62 /* _gx_widget_children_draw Draw children widgets */ 63 /* _gx_vertical_list_selected_widget_get Get selected child item of */ 64 /* popup list */ 65 /* _gx_widget_client_get Find the client area of a */ 66 /* widget */ 67 /* */ 68 /* CALLED BY */ 69 /* */ 70 /* Application Code */ 71 /* GUIX Internal Code */ 72 /* */ 73 /* RELEASE HISTORY */ 74 /* */ 75 /* DATE NAME DESCRIPTION */ 76 /* */ 77 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 78 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 79 /* resulting in version 6.1 */ 80 /* */ 81 /**************************************************************************/ _gx_drop_list_draw(GX_DROP_LIST * drop_list)82VOID _gx_drop_list_draw(GX_DROP_LIST *drop_list) 83 { 84 GX_RECTANGLE client; 85 GX_WIDGET *selected; 86 GX_WIDGET *widget; 87 GX_VERTICAL_LIST *list; 88 GX_RECTANGLE selected_size; 89 GX_RECTANGLE selected_clip; 90 ULONG selected_style; 91 92 widget = (GX_WIDGET *)drop_list; 93 _gx_drop_list_background_draw(drop_list); 94 95 list = (GX_VERTICAL_LIST *)&drop_list -> gx_drop_list_popup.gx_popup_list_list; 96 _gx_vertical_list_selected_widget_get(list, &selected); 97 98 if (selected) 99 { 100 /* draw the selected widget into my client area: */ 101 _gx_widget_client_get(widget, -1, &client); 102 selected_size = selected -> gx_widget_size; 103 selected_clip = selected -> gx_widget_clip; 104 selected_style = selected -> gx_widget_style; 105 106 if (drop_list -> gx_widget_status & GX_STATUS_HAS_FOCUS) 107 { 108 selected -> gx_widget_style |= ~GX_STYLE_DRAW_SELECTED; 109 } 110 else 111 { 112 selected -> gx_widget_style &= ~GX_STYLE_DRAW_SELECTED; 113 } 114 selected -> gx_widget_size = client; 115 selected -> gx_widget_clip = client; 116 selected -> gx_widget_draw_function(selected); 117 selected -> gx_widget_size = selected_size; 118 selected -> gx_widget_clip = selected_clip; 119 selected -> gx_widget_style = selected_style; 120 } 121 122 _gx_widget_children_draw(widget); 123 } 124 125
