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1 | 32 | kaklik | /***************************************************************************** |
2 | * Module for Microchip Graphics Library |
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3 | * GOL Layer |
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4 | * Check box |
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5 | ***************************************************************************** |
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6 | * FileName: CheckBox.h |
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7 | * Dependencies: None |
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8 | * Processor: PIC24F, PIC24H, dsPIC, PIC32 |
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9 | * Compiler: MPLAB C30 V3.00, MPLAB C32 |
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10 | * Linker: MPLAB LINK30, MPLAB LINK32 |
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11 | * Company: Microchip Technology Incorporated |
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12 | * |
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13 | * Software License Agreement |
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14 | * |
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15 | * Copyright © 2008 Microchip Technology Inc. All rights reserved. |
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16 | * Microchip licenses to you the right to use, modify, copy and distribute |
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17 | * Software only when embedded on a Microchip microcontroller or digital |
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18 | * signal controller, which is integrated into your product or third party |
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19 | * product (pursuant to the sublicense terms in the accompanying license |
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20 | * agreement). |
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21 | * |
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22 | * You should refer to the license agreement accompanying this Software |
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23 | * for additional information regarding your rights and obligations. |
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24 | * |
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25 | * SOFTWARE AND DOCUMENTATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY |
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26 | * KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY |
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27 | * OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR |
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28 | * PURPOSE. IN NO EVENT SHALL MICROCHIP OR ITS LICENSORS BE LIABLE OR |
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29 | * OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION, |
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30 | * BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT |
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31 | * DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL, |
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32 | * INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA, |
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33 | * COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY |
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34 | * CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF), |
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35 | * OR OTHER SIMILAR COSTS. |
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36 | * |
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37 | * Author Date Comment |
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38 | *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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39 | * Anton Alkhimenok 11/12/07 Version 1.0 release |
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40 | *****************************************************************************/ |
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41 | #ifndef _CHECKBOX_H |
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42 | #define _CHECKBOX_H |
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43 | |||
44 | #include <Graphics\GOL.h> |
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45 | |||
46 | // This is indent from outside borders |
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47 | #define CB_INDENT 2 |
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48 | |||
49 | /********************************************************************* |
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50 | * Object States Definition: |
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51 | *********************************************************************/ |
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52 | #define CB_FOCUSED 0x0001 // Focus state |
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53 | #define CB_DISABLED 0x0002 // Disabled state |
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54 | #define CB_CHECKED 0x0004 // Checked state |
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55 | #define CB_HIDE 0x8000 // Check box must be removed from screen |
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56 | #define CB_DRAW_FOCUS 0x2000 // Focus must be redrawn |
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57 | #define CB_DRAW 0x4000 // Whole check box must be redrawn |
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58 | #define CB_DRAW_CHECK 0x1000 // Check box mark should be redrawn |
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59 | |||
60 | /********************************************************************* |
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61 | * Overview: The structure contains check box data |
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62 | *********************************************************************/ |
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63 | typedef struct |
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64 | { |
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65 | OBJ_HEADER hdr; // Generic header for all Objects (see OBJ_HEADER). |
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66 | SHORT textHeight; // Pre-computed text height |
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67 | XCHAR *pText; // Pointer to text |
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68 | } CHECKBOX; |
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69 | |||
70 | /********************************************************************* |
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71 | * Macros: CbGetText(pCb) |
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72 | * |
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73 | * Overview: This macro returns the location of the text |
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74 | * used for the check box. |
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75 | * |
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76 | * PreCondition: none |
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77 | * |
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78 | * Input: pCb - Pointer to the object |
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79 | * |
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80 | * Output: Returns the location of the text used. |
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81 | * |
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82 | * Side Effects: none |
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83 | * |
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84 | ********************************************************************/ |
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85 | #define CbGetText(pCb) pCb->pText |
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86 | |||
87 | /********************************************************************* |
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88 | * Function: CbSetText(CHECKBOX *pCb, XCHAR *pText) |
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89 | * |
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90 | * Overview: This function sets the text that will be used. |
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91 | * |
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92 | * PreCondition: none |
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93 | * |
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94 | * Input: pCb - The pointer to the check box whose text will be modified. |
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95 | * pText - The pointer to the text that will be used. |
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96 | * |
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97 | * Output: none |
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98 | * |
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99 | * Side Effects: none |
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100 | * |
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101 | ********************************************************************/ |
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102 | void CbSetText(CHECKBOX *pCb, XCHAR *pText); |
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103 | |||
104 | /********************************************************************* |
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105 | * Function: CHECKBOX *CbCreate(WORD ID, SHORT left, SHORT top, SHORT right, |
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106 | * SHORT bottom, WORD state, XCHAR *pText, |
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107 | * GOL_SCHEME *pScheme) |
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108 | * |
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109 | * Overview: This function creates a CHECKBOX object with the parameters |
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110 | * given. It automatically attaches the new object into a |
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111 | * global linked list of objects and returns the address |
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112 | * of the object. |
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113 | * |
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114 | * PreCondition: none |
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115 | * |
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116 | * Input: ID - Unique user defined ID for the object instance. |
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117 | * left - Left most position of the Object. |
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118 | * top - Top most position of the Object. |
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119 | * right - Right most position of the Object |
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120 | * bottom - Bottom most position of the object |
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121 | * state - Sets the initial state of the object |
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122 | * pText - Pointer to the text of the check box. |
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123 | * pScheme - Pointer to the style scheme |
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124 | * |
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125 | * Output: Returns the pointer to the object created |
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126 | * |
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127 | * Example: |
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128 | * <CODE> |
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129 | * GOL_SCHEME *pScheme; |
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130 | * CHECKBOX *pCb[2]; |
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131 | * |
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132 | * pScheme = GOLCreateScheme(); |
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133 | * pCb = CbCreate(ID_CHECKBOX1, // ID |
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134 | * 20,135,150,175, // dimension |
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135 | * CB_DRAW, // Draw the object |
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136 | * "Scale", // text |
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137 | * pScheme); // use this scheme |
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138 | * |
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139 | * pCb = CbCreate(ID_CHECKBOX2, // ID |
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140 | * 170,135,300,175, // dimension |
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141 | * CB_DRAW, // Draw the object |
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142 | * "Animate", // text |
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143 | * pScheme); // use this scheme |
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144 | * |
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145 | * while(!CbDraw(pCb[0])); // draw the objects |
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146 | * while(!CbDraw(pCb[1])); |
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147 | * </CODE> |
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148 | * |
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149 | * Side Effects: none |
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150 | * |
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151 | ********************************************************************/ |
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152 | CHECKBOX *CbCreate |
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153 | ( |
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154 | WORD ID, |
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155 | SHORT left, |
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156 | SHORT top, |
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157 | SHORT right, |
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158 | SHORT bottom, |
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159 | WORD state, |
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160 | XCHAR *pText, |
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161 | GOL_SCHEME *pScheme |
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162 | ); |
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163 | |||
164 | /********************************************************************* |
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165 | * Function: WORD CbTranslateMsg(CHECKBOX *pCb, GOL_MSG *pMsg) |
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166 | * |
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167 | * Overview: This function evaluates the message from a user if |
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168 | * the message will affect the object or not. The table |
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169 | * below enumerates the translated messages for each event |
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170 | * of the touch screen and keyboard inputs. |
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171 | * |
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172 | * <TABLE> |
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173 | * Translated Message Input Source Events Description |
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174 | * ################## ############ ###### ########### |
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175 | * CB_MSG_CHECKED Touch Screen EVENT_PRESS If events occurs and the x,y position falls in the area of the check box while the check box is unchecked. |
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176 | * Keyboard EVENT_KEYSCAN If event occurs and parameter1 passed matches the objects ID and parameter 2 passed matches SCAN_CR_PRESSED or SCAN_SPACE_PRESSED while the check box is unchecked. |
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177 | * CB_MSG_UNCHECKED Touch Screen EVENT_PRESS If events occurs and the x,y position falls in the area of the check box while the check box is checked. |
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178 | * Keyboard EVENT_KEYSCAN If event occurs and parameter1 passed matches the objects ID and parameter 2 passed matches SCAN_CR_PRESSED or SCAN_SPACE_PRESSED while the check box is checked. |
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179 | * OBJ_MSG_INVALID Any Any If the message did not affect the object. |
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180 | * </TABLE> |
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181 | * |
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182 | * PreCondition: none |
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183 | * |
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184 | * Input: pMsg - pointer to the message struct containing the message the user |
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185 | * pCb - the pointer to the object where the message will be |
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186 | * evaluated to check if the message will affect the object |
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187 | * |
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188 | * Output: Returns the translated message depending on the received GOL message: |
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189 | * - CB_MSG_CHECKED Check Box is checked. |
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190 | * - CB_MSG_UNCHECKED Check Box is unchecked. |
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191 | * - OBJ_MSG_INVALID Check Box is not affected. |
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192 | * |
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193 | * Example: |
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194 | * Usage is similar to BtnTranslateMsg() example. |
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195 | * |
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196 | * Side Effects: none |
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197 | * |
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198 | ********************************************************************/ |
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199 | WORD CbTranslateMsg(CHECKBOX *pCb, GOL_MSG *pMsg); |
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200 | |||
201 | /********************************************************************* |
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202 | * Function: CbMsgDefault(WORD translatedMsg, CHECKBOX *pCb, GOL_MSG* pMsg) |
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203 | * |
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204 | * Overview: This function performs the actual state change |
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205 | * based on the translated message given. The following state changes |
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206 | * are supported: |
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207 | * <TABLE> |
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208 | * Translated Message Input Source Set/Clear State Bit Description |
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209 | * ################## ############ ###### ########### |
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210 | * CB_MSG_CHECKED Touch Screen, Set CB_CHECKED Check Box will be redrawn in checked state. |
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211 | * Keyboard |
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212 | * CB_MSG_UNCHECKED Touch Screen, Clear CB_CHECKED Check Box will be redrawn in un-checked state. |
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213 | * Keyboard |
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214 | * </TABLE> |
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215 | * |
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216 | * PreCondition: none |
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217 | * |
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218 | * Input: translatedMsg - The translated message |
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219 | * pCb - The pointer to the object whose state will be modified |
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220 | * pMsg - The pointer to the GOL message |
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221 | * |
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222 | * Output: none |
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223 | * |
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224 | * Side Effects: none |
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225 | * |
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226 | ********************************************************************/ |
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227 | void CbMsgDefault(WORD translatedMsg, CHECKBOX *pCb, GOL_MSG *pMsg); |
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228 | |||
229 | /********************************************************************* |
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230 | * Function: WORD CbDraw(CHECKBOX *pCb) |
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231 | * |
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232 | * Overview: This function renders the object on the screen using |
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233 | * the current parameter settings. Location of the object |
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234 | * is determined by the left, top, right and bottom parameters. |
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235 | * The colors used are dependent on the state of the object. |
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236 | * The font used is determined by the style scheme set. |
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237 | * |
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238 | * When rendering objects of the same type, each object must |
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239 | * be rendered completely before the rendering of the next |
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240 | * object is started. This is to avoid incomplete object rendering. |
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241 | * |
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242 | * PreCondition: Object must be created before this function is called. |
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243 | * |
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244 | * Input: pCb - Pointer to the object to be rendered. |
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245 | * |
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246 | * Output: Returns the status of the drawing |
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247 | * - 1 - If the rendering was completed and |
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248 | * - 0 - If the rendering is not yet finished. |
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249 | * |
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250 | * Next call to the function will resume the |
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251 | * rendering on the pending drawing state. |
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252 | * |
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253 | * Example: |
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254 | * See CbCreate() Example. |
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255 | * |
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256 | * Side Effects: none |
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257 | * |
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258 | ********************************************************************/ |
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259 | WORD CbDraw(CHECKBOX *pCb); |
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260 | #endif // _CHECKBOX_H |
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