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 /** Button Management (Button) */ 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_context.h" 31 #include "gx_widget.h" 32 #include "gx_button.h" 33 34 35 /**************************************************************************/ 36 /* */ 37 /* FUNCTION RELEASE */ 38 /* */ 39 /* _gx_pixelmap_button_draw PORTABLE C */ 40 /* 6.1 */ 41 /* AUTHOR */ 42 /* */ 43 /* Kenneth Maxwell, Microsoft Corporation */ 44 /* */ 45 /* DESCRIPTION */ 46 /* */ 47 /* This function draws the specified button, which is a special type */ 48 /* of widget. */ 49 /* */ 50 /* INPUT */ 51 /* */ 52 /* button Button control block */ 53 /* */ 54 /* OUTPUT */ 55 /* */ 56 /* None */ 57 /* */ 58 /* CALLS */ 59 /* */ 60 /* _gx_context_pixelmap_get Retrieve pixelmap image */ 61 /* _gx_canvas_pixelmap_draw Draw the pixelmap */ 62 /* _gx_button_draw Draw the button */ 63 /* _gx_widget_children_draw Draw children widgets */ 64 /* */ 65 /* CALLED BY */ 66 /* */ 67 /* Application Code */ 68 /* GUIX Internal Code */ 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_pixelmap_button_draw(GX_PIXELMAP_BUTTON * button)79VOID _gx_pixelmap_button_draw(GX_PIXELMAP_BUTTON *button) 80 { 81 GX_RESOURCE_ID pixelmap; 82 GX_PIXELMAP *map; 83 GX_WIDGET *widget = (GX_WIDGET *)button; 84 INT xpos; 85 INT ypos; 86 87 88 /* default to using the normal pixlemap */ 89 pixelmap = button -> gx_pixelmap_button_normal_id; 90 91 /* If the button is not enabled and the user provided 92 a disabled pixelmap, use that */ 93 if (button -> gx_pixelmap_button_disabled_id && 94 !(button -> gx_widget_style & GX_STYLE_ENABLED)) 95 { 96 pixelmap = button -> gx_pixelmap_button_disabled_id; 97 } 98 else 99 { 100 /* otherwise, if the button is pushed used the selected pixelmap */ 101 if (button -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) 102 { 103 if (button -> gx_pixelmap_button_selected_id) 104 { 105 pixelmap = button -> gx_pixelmap_button_selected_id; 106 } 107 } 108 } 109 110 if (!(button -> gx_widget_style & GX_STYLE_ENABLED)) 111 { 112 if (button -> gx_pixelmap_button_disabled_id) 113 { 114 pixelmap = button -> gx_pixelmap_button_disabled_id; 115 } 116 } 117 118 _gx_context_pixelmap_get(pixelmap, &map); 119 120 if (map) 121 { 122 switch (button -> gx_widget_style & GX_PIXELMAP_HALIGN_MASK) 123 { 124 case GX_STYLE_HALIGN_CENTER: 125 xpos = button -> gx_widget_size.gx_rectangle_right - 126 button -> gx_widget_size.gx_rectangle_left - 127 map -> gx_pixelmap_width + 1; 128 129 xpos /= 2; 130 xpos += button -> gx_widget_size.gx_rectangle_left; 131 break; 132 133 case GX_STYLE_HALIGN_RIGHT: 134 xpos = button -> gx_widget_size.gx_rectangle_right - map -> gx_pixelmap_width + 1; 135 break; 136 137 default: 138 xpos = button -> gx_widget_size.gx_rectangle_left; 139 break; 140 } 141 142 switch (button -> gx_widget_style & GX_PIXELMAP_VALIGN_MASK) 143 { 144 case GX_STYLE_VALIGN_CENTER: 145 ypos = button -> gx_widget_size.gx_rectangle_bottom - 146 button -> gx_widget_size.gx_rectangle_top - 147 map -> gx_pixelmap_height + 1; 148 149 ypos /= 2; 150 ypos += button -> gx_widget_size.gx_rectangle_top; 151 break; 152 153 case GX_STYLE_VALIGN_BOTTOM: 154 ypos = button -> gx_widget_size.gx_rectangle_bottom - map -> gx_pixelmap_height + 1; 155 break; 156 157 default: 158 ypos = button -> gx_widget_size.gx_rectangle_top; 159 break; 160 } 161 _gx_widget_context_fill_set(widget); 162 _gx_canvas_pixelmap_draw((GX_VALUE)xpos, (GX_VALUE)ypos, map); 163 } 164 else 165 { 166 /* If I don't have a pixelmap and not transparent, 167 draw something 168 */ 169 if (!(widget -> gx_widget_style & GX_STYLE_TRANSPARENT)) 170 { 171 _gx_button_draw((GX_BUTTON *)button); 172 } 173 } 174 175 /* Draw button's children. */ 176 _gx_widget_children_draw(widget); 177 } 178 179
