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 /** Button Management (Button) */ 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_context.h" 30 #include "gx_widget.h" 31 #include "gx_button.h" 32 33 34 /**************************************************************************/ 35 /* */ 36 /* FUNCTION RELEASE */ 37 /* */ 38 /* _gx_icon_button_draw PORTABLE C */ 39 /* 6.1.9 */ 40 /* AUTHOR */ 41 /* */ 42 /* Kenneth Maxwell, Microsoft Corporation */ 43 /* */ 44 /* DESCRIPTION */ 45 /* */ 46 /* This function draws the specified button, which is a special type */ 47 /* of widget. */ 48 /* */ 49 /* INPUT */ 50 /* */ 51 /* button Icon button control block */ 52 /* */ 53 /* OUTPUT */ 54 /* */ 55 /* None */ 56 /* */ 57 /* CALLS */ 58 /* */ 59 /* _gx_button_background_draw Draw the button background */ 60 /* _gx_context_pixelmap_get Retrieve pixelmap image */ 61 /* _gx_widget_border_width_get Get the border width */ 62 /* _gx_canvas_pixelmap_draw Draw the pixelmap */ 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 /* 10-15-2021 Ting Zhu Modified comment(s), */ 78 /* fixed pixelmap draw offset, */ 79 /* resulting in version 6.1.9 */ 80 /* */ 81 /**************************************************************************/ _gx_icon_button_draw(GX_ICON_BUTTON * button)82VOID _gx_icon_button_draw(GX_ICON_BUTTON *button) 83 { 84 GX_WIDGET *widget; 85 GX_PIXELMAP *map; 86 GX_VALUE xpos; 87 GX_VALUE ypos; 88 GX_VALUE border; 89 INT shift = 0; 90 91 /* Setup the widget. */ 92 widget = (GX_WIDGET *)button; 93 94 /* draw the background button */ 95 _gx_button_background_draw((GX_BUTTON *)button); 96 97 /* draw the button icon */ 98 _gx_context_pixelmap_get(button -> gx_icon_button_icon_id, &map); 99 100 if (map) 101 { 102 _gx_widget_border_width_get(widget, &border); 103 104 if (widget -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) 105 { 106 shift = 1; 107 } 108 109 switch (widget -> gx_widget_style & GX_PIXELMAP_HALIGN_MASK) 110 { 111 case GX_STYLE_HALIGN_CENTER: 112 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - 113 widget -> gx_widget_size.gx_rectangle_left - 114 map -> gx_pixelmap_width + 1); 115 116 xpos /= 2; 117 xpos = (GX_VALUE)(xpos + widget -> gx_widget_size.gx_rectangle_left + shift); 118 break; 119 120 case GX_STYLE_HALIGN_RIGHT: 121 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - map -> gx_pixelmap_width - border + shift + 1); 122 break; 123 124 default: 125 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_left + border + shift); 126 break; 127 } 128 129 switch (widget -> gx_widget_style & GX_PIXELMAP_VALIGN_MASK) 130 { 131 case GX_STYLE_VALIGN_CENTER: 132 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - 133 widget -> gx_widget_size.gx_rectangle_top - 134 map -> gx_pixelmap_height + 1); 135 136 ypos /= 2; 137 ypos = (GX_VALUE)(ypos + widget -> gx_widget_size.gx_rectangle_top + shift); 138 break; 139 140 case GX_STYLE_VALIGN_BOTTOM: 141 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - map -> gx_pixelmap_height - border + shift + 1); 142 break; 143 144 default: 145 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_top + border + shift); 146 break; 147 } 148 _gx_widget_context_fill_set(widget); 149 _gx_canvas_pixelmap_draw(xpos, ypos, map); 150 } 151 152 153 /* Draw button's children. */ 154 _gx_widget_children_draw(widget); 155 } 156 157
