Line No. | Rev | Author | Line |
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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 | * List Box |
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5 | ***************************************************************************** |
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6 | * FileName: ListBox.c |
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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 | #include "Graphics\Graphics.h" |
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42 | |||
43 | #ifdef USE_LISTBOX |
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44 | |||
45 | /********************************************************************* |
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46 | * Function: LISTBOX *LbCreate(WORD ID, SHORT left, SHORT top, SHORT right, SHORT bottom, |
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47 | * WORD state, XCHAR* pText, GOL_SCHEME *pScheme) |
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48 | * |
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49 | * Overview: creates the list box |
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50 | * |
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51 | ********************************************************************/ |
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52 | LISTBOX *LbCreate |
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53 | ( |
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54 | WORD ID, |
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55 | SHORT left, |
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56 | SHORT top, |
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57 | SHORT right, |
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58 | SHORT bottom, |
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59 | WORD state, |
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60 | XCHAR *pText, |
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61 | GOL_SCHEME *pScheme |
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62 | ) |
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63 | { |
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64 | LISTBOX *pLb = NULL; |
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65 | XCHAR *pointer; |
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66 | WORD counter; |
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67 | |||
68 | pLb = (LISTBOX *)GFX_malloc(sizeof(LISTBOX)); |
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69 | |||
70 | if(pLb == NULL) |
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71 | return (pLb); |
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72 | |||
73 | pLb->hdr.ID = ID; |
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74 | pLb->hdr.pNxtObj = NULL; |
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75 | pLb->hdr.type = OBJ_LISTBOX; |
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76 | pLb->hdr.left = left; |
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77 | pLb->hdr.top = top; |
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78 | pLb->hdr.right = right; |
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79 | pLb->hdr.bottom = bottom; |
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80 | pLb->hdr.state = state; |
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81 | pLb->pItemList = NULL; |
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82 | pLb->scrollY = 0; |
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83 | pLb->itemsNumber = 0; |
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84 | |||
85 | // Set the style scheme to be used |
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86 | if(pScheme == NULL) |
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87 | pLb->hdr.pGolScheme = _pDefaultGolScheme; |
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88 | else |
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89 | pLb->hdr.pGolScheme = (GOL_SCHEME *)pScheme; |
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90 | |||
91 | pLb->textHeight = GetTextHeight(pLb->hdr.pGolScheme->pFont); |
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92 | |||
93 | GOLAddObject((OBJ_HEADER *)pLb); |
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94 | |||
95 | // Add items if there's an initialization text (each line will become one item, |
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96 | // lines must be separated by '\n' character) |
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97 | if(pText != NULL) |
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98 | { |
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99 | pointer = pText; |
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100 | counter = 0; |
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101 | while(*pointer) |
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102 | { |
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103 | if(NULL == LbAddItem(pLb, NULL, pointer, NULL, 0, counter)) |
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104 | break; |
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105 | while((XCHAR) *pointer++ > (XCHAR)31); |
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106 | if(*(pointer - 1) == 0) |
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107 | break; |
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108 | counter++; |
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109 | } |
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110 | } |
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111 | |||
112 | pLb->pFocusItem = pLb->pItemList; |
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113 | |||
114 | // Set focus for the object if FOCUSED state is set |
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115 | #ifdef USE_FOCUS |
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116 | if(GetState(pLb, LB_FOCUSED)) |
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117 | GOLSetFocus((OBJ_HEADER *)pLb); |
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118 | #endif |
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119 | return (pLb); |
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120 | } |
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121 | |||
122 | /********************************************************************* |
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123 | * Function: LISTITEM* LbAddItem(LISTBOX *pLb, LISTITEM *pPrevItem, XCHAR *pText, void* pBitmap, WORD status, WORD data) |
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124 | * |
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125 | * Input: pLb - the pointer to the list box, |
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126 | * pPrevItem - pointer to the item after which a new item must be inserted, |
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127 | * if this pointer is NULL, the item will be appended at the end of the items list, |
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128 | * pText - pointer to the text, |
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129 | * pBitmap - pointer to the bitmap, |
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130 | * status - status after creation, |
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131 | * data - some data associated with the item |
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132 | * |
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133 | * Output: pointer to the item created, NULL if the operation was not successful |
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134 | * |
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135 | * Overview: allocates memory for a new item and adds it to the list box |
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136 | * |
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137 | ********************************************************************/ |
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138 | LISTITEM *LbAddItem(LISTBOX *pLb, LISTITEM *pPrevItem, XCHAR *pText, void *pBitmap, WORD status, WORD data) |
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139 | { |
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140 | LISTITEM *pItem; |
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141 | LISTITEM *pCurItem; |
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142 | |||
143 | pItem = (LISTITEM *)GFX_malloc(sizeof(LISTITEM)); |
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144 | |||
145 | if(pItem == NULL) |
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146 | { |
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147 | return (NULL); |
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148 | } |
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149 | |||
150 | pLb->itemsNumber++; |
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151 | |||
152 | if(pLb->pItemList == NULL) |
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153 | { |
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154 | pLb->pItemList = pItem; |
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155 | pItem->pNextItem = NULL; |
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156 | pItem->pPrevItem = NULL; |
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157 | } |
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158 | else |
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159 | { |
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160 | if(pPrevItem == NULL) |
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161 | { |
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162 | |||
163 | // Find last item |
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164 | pCurItem = (LISTITEM *)pLb->pItemList; |
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165 | while(pCurItem->pNextItem != NULL) |
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166 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
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167 | } |
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168 | else |
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169 | { |
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170 | pCurItem = (LISTITEM *)pPrevItem; |
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171 | } |
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172 | |||
173 | // Insert a new item |
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174 | pItem->pNextItem = pCurItem->pNextItem; |
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175 | pItem->pPrevItem = pCurItem; |
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176 | pCurItem->pNextItem = pItem; |
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177 | } |
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178 | |||
179 | pItem->pText = pText; |
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180 | pItem->pBitmap = pBitmap; |
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181 | pItem->status = status; |
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182 | pItem->data = data; |
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183 | |||
184 | return (pItem); |
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185 | } |
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186 | |||
187 | /********************************************************************* |
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188 | * Function: void LbDelItem(LISTBOX *pLb, LISTITEM *pItem) |
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189 | * |
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190 | * Input: pLb - the pointer to the object, |
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191 | * pItem - the pointer to the item must be deleted |
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192 | * |
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193 | * Output: none |
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194 | * |
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195 | * Overview: removes an item from the list box and frees memory |
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196 | * |
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197 | ********************************************************************/ |
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198 | void LbDelItem(LISTBOX *pLb, LISTITEM *pItem) |
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199 | { |
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200 | if(pItem->pNextItem != NULL) |
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201 | { |
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202 | ((LISTITEM *)pItem->pNextItem)->pPrevItem = pItem->pPrevItem; |
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203 | if(pItem->pPrevItem == NULL) |
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204 | pLb->pItemList = (LISTITEM *)pItem->pNextItem; |
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205 | } |
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206 | |||
207 | if(pItem->pPrevItem != NULL) |
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208 | ((LISTITEM *)pItem->pPrevItem)->pNextItem = pItem->pNextItem; |
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209 | |||
210 | GFX_free(pItem); |
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211 | |||
212 | pLb->itemsNumber--; |
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213 | |||
214 | if(pLb->itemsNumber == 0) |
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215 | pLb->pItemList = NULL; |
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216 | } |
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217 | |||
218 | /********************************************************************* |
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219 | * Function: void LbDelItemsList(LISTBOX *pLb) |
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220 | * |
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221 | * Input: pLb - the pointer to the object |
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222 | * |
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223 | * Output: none |
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224 | * |
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225 | * Overview: removes all items from list box and frees memory |
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226 | * |
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227 | ********************************************************************/ |
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228 | void LbDelItemsList(LISTBOX *pLb) |
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229 | { |
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230 | LISTITEM *pCurItem; |
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231 | LISTITEM *pItem; |
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232 | |||
233 | pCurItem = pLb->pItemList; |
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234 | |||
235 | while(pCurItem != NULL) |
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236 | { |
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237 | pItem = pCurItem; |
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238 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
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239 | GFX_free(pItem); |
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240 | } |
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241 | |||
242 | pLb->pItemList = NULL; |
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243 | } |
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244 | |||
245 | /********************************************************************* |
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246 | * Function: LISTITEM* LbGetSel(LISTBOX *pLb, LISTITEM *pFromItem) |
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247 | * |
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248 | * Input: pLb - the pointer to the object, |
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249 | * pFromItem - pointer to the item the seach must start from, |
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250 | * if the pointer is NULL the search begins from the start of the items list |
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251 | * |
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252 | * Output: pointer to the selected item, NULL if there are no items selected |
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253 | * |
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254 | * Overview: seaches for selected items |
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255 | * |
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256 | ********************************************************************/ |
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257 | LISTITEM *LbGetSel(LISTBOX *pLb, LISTITEM *pFromItem) |
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258 | { |
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259 | if(pFromItem == NULL) |
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260 | { |
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261 | pFromItem = pLb->pItemList; |
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262 | } |
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263 | |||
264 | while(pFromItem != NULL) |
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265 | { |
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266 | if(pFromItem->status & LB_STS_SELECTED) |
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267 | break; |
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268 | pFromItem = (LISTITEM *)pFromItem->pNextItem; |
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269 | } |
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270 | |||
271 | return (pFromItem); |
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272 | } |
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273 | |||
274 | /********************************************************************* |
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275 | * Function: void LbChangeSel(LISTBOX *pLb, LISTITEM *pItem) |
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276 | * |
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277 | * Input: pLb - the pointer to the object, |
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278 | * pItem - pointer to the item the selection status will be changed |
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279 | * |
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280 | * Output: none |
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281 | * |
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282 | * Overview: changes selection status of an item |
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283 | * |
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284 | ********************************************************************/ |
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285 | void LbChangeSel(LISTBOX *pLb, LISTITEM *pItem) |
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286 | { |
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287 | LISTITEM *pCurItem; |
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288 | |||
289 | if(GetState(pLb, LB_SINGLE_SEL)) |
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290 | { |
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291 | |||
292 | // Remove selection from all items |
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293 | pCurItem = pLb->pItemList; |
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294 | while(pCurItem != NULL) |
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295 | { |
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296 | if(pCurItem->status & LB_STS_SELECTED) |
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297 | { |
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298 | pCurItem->status &= ~LB_STS_SELECTED; |
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299 | pCurItem->status |= LB_STS_REDRAW; |
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300 | } |
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301 | |||
302 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
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303 | } |
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304 | } |
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305 | |||
306 | pItem->status ^= LB_STS_SELECTED; |
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307 | pItem->status |= LB_STS_REDRAW; |
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308 | } |
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309 | |||
310 | /********************************************************************* |
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311 | * Function: void LbSetFocusedItem(LISTBOX* pLb, SHORT index) |
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312 | * |
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313 | * Input: pLb - the pointer to the object |
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314 | * index - item number from the list beginning |
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315 | * |
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316 | * Output: none |
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317 | * |
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318 | * Overview: sets focus for the item with index defined |
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319 | * |
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320 | ********************************************************************/ |
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321 | void LbSetFocusedItem(LISTBOX *pLb, SHORT index) |
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322 | { |
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323 | LISTITEM *pCurItem; |
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324 | |||
325 | // Look for item to be focused |
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326 | pCurItem = pLb->pItemList; |
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327 | |||
328 | if(pCurItem == NULL) |
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329 | return; |
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330 | |||
331 | while(pCurItem->pNextItem != NULL) |
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332 | { |
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333 | if(index <= 0) |
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334 | break; |
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335 | index--; |
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336 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
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337 | } |
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338 | |||
339 | if(pCurItem != NULL) |
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340 | { |
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341 | if(pLb->pFocusItem != NULL) |
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342 | { |
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343 | pLb->pFocusItem->status |= LB_STS_REDRAW; |
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344 | } |
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345 | |||
346 | pLb->pFocusItem = pCurItem; |
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347 | pCurItem->status |= LB_STS_REDRAW; |
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348 | } |
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349 | } |
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350 | |||
351 | /********************************************************************* |
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352 | * Function: SHORT LbGetFocusedItem(LISTBOX* pLb) |
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353 | * |
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354 | * Input: pLb - the pointer to the list box |
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355 | * |
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356 | * Output: index of the focused item, -1 if there's no item in focus |
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357 | * |
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358 | * Overview: returns focused item number from the list beginning |
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359 | * |
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360 | ********************************************************************/ |
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361 | SHORT LbGetFocusedItem(LISTBOX *pLb) |
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362 | { |
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363 | LISTITEM *pCurItem; |
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364 | SHORT index; |
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365 | |||
366 | if(pLb->pFocusItem == NULL) |
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367 | return (-1); |
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368 | |||
369 | // Look for the focused item index |
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370 | index = 0; |
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371 | pCurItem = pLb->pItemList; |
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372 | while(pCurItem->pNextItem != NULL) |
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373 | { |
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374 | if(pCurItem == pLb->pFocusItem) |
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375 | break; |
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376 | index++; |
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377 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
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378 | } |
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379 | |||
380 | return (index); |
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381 | } |
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382 | |||
383 | /********************************************************************* |
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384 | * Function: WORD LbTranslateMsg(LISTBOX *pLb, GOL_MSG *pMsg) |
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385 | * |
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386 | * Overview: translates the GOL message for the list box |
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387 | * |
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388 | ********************************************************************/ |
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389 | WORD LbTranslateMsg(LISTBOX *pLb, GOL_MSG *pMsg) |
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390 | { |
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391 | |||
392 | // Evaluate if the message is for the list box |
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393 | // Check if disabled first |
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394 | if(GetState(pLb, LB_DISABLED)) |
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395 | return (OBJ_MSG_INVALID); |
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396 | |||
397 | #ifdef USE_TOUCHSCREEN |
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398 | if(pMsg->type == TYPE_TOUCHSCREEN) |
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399 | { |
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400 | |||
401 | // Check if it falls in list box borders |
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402 | if |
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403 | ( |
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404 | (pLb->hdr.left < pMsg->param1) && |
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405 | (pLb->hdr.right > pMsg->param1) && |
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406 | (pLb->hdr.top < pMsg->param2) && |
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407 | (pLb->hdr.bottom > pMsg->param2) |
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408 | ) return (LB_MSG_TOUCHSCREEN); |
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409 | |||
410 | return (OBJ_MSG_INVALID); |
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411 | } |
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412 | |||
413 | #endif |
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414 | #ifdef USE_KEYBOARD |
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415 | if(pMsg->type == TYPE_KEYBOARD) |
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416 | if(pMsg->param1 == pLb->hdr.ID) |
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417 | { |
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418 | if(pMsg->uiEvent == EVENT_KEYSCAN) |
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419 | { |
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420 | if((pMsg->param2 == SCAN_UP_PRESSED) || (pMsg->param2 == SCAN_DOWN_PRESSED)) |
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421 | return (LB_MSG_MOVE); |
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422 | |||
423 | if((pMsg->param2 == SCAN_SPACE_PRESSED) || (pMsg->param2 == SCAN_CR_PRESSED)) |
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424 | return (LB_MSG_SEL); |
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425 | } |
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426 | |||
427 | return (OBJ_MSG_INVALID); |
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428 | } |
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429 | |||
430 | #endif |
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431 | return (OBJ_MSG_INVALID); |
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432 | } |
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433 | |||
434 | /********************************************************************* |
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435 | * Function: void LbMsgDefault(WORD translatedMsg, LISTBOX *pLb, GOL_MSG *pMsg) |
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436 | * |
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437 | * Overview: changes the state of the list box by default |
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438 | * |
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439 | ********************************************************************/ |
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440 | void LbMsgDefault(WORD translatedMsg, LISTBOX *pLb, GOL_MSG *pMsg) |
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441 | { |
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442 | #ifdef USE_TOUCHSCREEN |
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443 | |||
444 | SHORT pos; |
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445 | LISTITEM *pItem; |
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446 | |||
447 | if(pMsg->type == TYPE_TOUCHSCREEN) |
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448 | { |
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449 | #ifdef USE_FOCUS |
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450 | if(pMsg->type == TYPE_TOUCHSCREEN) |
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451 | { |
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452 | if(!GetState(pLb, LB_FOCUSED)) |
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453 | { |
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454 | GOLSetFocus((OBJ_HEADER *)pLb); |
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455 | } |
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456 | } |
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457 | |||
458 | #endif |
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459 | if(pMsg->uiEvent == EVENT_PRESS) |
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460 | { |
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461 | pos = (pMsg->param2 - pLb->scrollY - pLb->hdr.top - LB_INDENT - GOL_EMBOSS_SIZE) / pLb->textHeight; |
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462 | pItem = (LISTITEM *)pLb->pItemList; |
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463 | while(pos) |
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464 | { |
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465 | if(pItem == NULL) |
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466 | break; |
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467 | if(pItem->pNextItem == NULL) |
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468 | break; |
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469 | pItem = (LISTITEM *)pItem->pNextItem; |
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470 | pos--; |
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471 | } |
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472 | |||
473 | if(pLb->pFocusItem != pItem) |
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474 | { |
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475 | pItem->status |= LB_STS_REDRAW; |
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476 | pLb->pFocusItem->status |= LB_STS_REDRAW; |
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477 | pLb->pFocusItem = pItem; |
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478 | SetState(pLb, LB_DRAW_ITEMS); |
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479 | } |
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480 | |||
481 | LbChangeSel(pLb, pItem); |
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482 | SetState(pLb, LB_DRAW_ITEMS); |
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483 | } |
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484 | } |
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485 | |||
486 | #endif |
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487 | #ifdef USE_KEYBOARD |
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488 | if(pMsg->type == TYPE_KEYBOARD) |
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489 | { |
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490 | switch(translatedMsg) |
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491 | { |
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492 | case LB_MSG_SEL: |
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493 | if(pLb->pFocusItem != NULL) |
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494 | LbChangeSel(pLb, pLb->pFocusItem); |
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495 | SetState(pLb, LB_DRAW_ITEMS); |
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496 | break; |
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497 | |||
498 | case LB_MSG_MOVE: |
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499 | switch(pMsg->param2) |
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500 | { |
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501 | case SCAN_UP_PRESSED: |
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502 | LbSetFocusedItem(pLb, LbGetFocusedItem(pLb) - 1); |
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503 | SetState(pLb, LB_DRAW_ITEMS); |
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504 | break; |
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505 | |||
506 | case SCAN_DOWN_PRESSED: |
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507 | LbSetFocusedItem(pLb, LbGetFocusedItem(pLb) + 1); |
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508 | SetState(pLb, LB_DRAW_ITEMS); |
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509 | break; |
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510 | } |
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511 | |||
512 | break; |
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513 | } |
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514 | } // end of if |
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515 | #endif |
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516 | } |
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517 | |||
518 | /********************************************************************* |
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519 | * Function: WORD LbDraw(LISTBOX *pLb) |
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520 | * |
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521 | * Output: returns the status of the drawing |
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522 | * 0 - not completed |
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523 | * 1 - done |
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524 | * |
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525 | * Overview: draws edit box |
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526 | * |
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527 | ********************************************************************/ |
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528 | WORD LbDraw(LISTBOX *pLb) |
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529 | { |
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530 | typedef enum |
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531 | { |
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532 | LB_STATE_START, |
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533 | LB_STATE_PANEL, |
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534 | LB_STATE_ERASEITEM, |
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535 | LB_STATE_ITEMFOCUS, |
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536 | LB_STATE_BITMAP, |
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537 | LB_STATE_TEXT |
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538 | } LB_DRAW_STATES; |
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539 | |||
540 | static LB_DRAW_STATES state = LB_STATE_START; |
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541 | static LISTITEM *pCurItem; |
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542 | static SHORT temp; |
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543 | |||
544 | switch(state) |
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545 | { |
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546 | |||
547 | ///////////////////////////////////////////////////////////////////// |
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548 | // REMOVE FROM SCREEN |
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549 | ///////////////////////////////////////////////////////////////////// |
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550 | case LB_STATE_START: |
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551 | if(GetState(pLb, LB_HIDE)) |
||
552 | { |
||
553 | SetColor(pLb->hdr.pGolScheme->CommonBkColor); |
||
554 | if(!Bar(pLb->hdr.left, pLb->hdr.top, pLb->hdr.right, pLb->hdr.bottom)) |
||
555 | return (0); |
||
556 | return (1); |
||
557 | } |
||
558 | |||
559 | if(GetState(pLb, LB_DRAW_FOCUS)) |
||
560 | { |
||
561 | if(pLb->pFocusItem != NULL) |
||
562 | ((LISTITEM *)pLb->pFocusItem)->status |= LB_STS_REDRAW; |
||
563 | SetState(pLb, LB_DRAW_ITEMS); |
||
564 | } |
||
565 | |||
566 | ///////////////////////////////////////////////////////////////////// |
||
567 | // DRAW PANEL |
||
568 | ///////////////////////////////////////////////////////////////////// |
||
569 | if(GetState(pLb, LB_DRAW)) |
||
570 | { |
||
571 | if(GetState(pLb, LB_DISABLED)) |
||
572 | { |
||
573 | temp = pLb->hdr.pGolScheme->ColorDisabled; |
||
574 | } |
||
575 | else |
||
576 | { |
||
577 | temp = pLb->hdr.pGolScheme->Color0; |
||
578 | } |
||
579 | |||
580 | GOLPanelDraw |
||
581 | ( |
||
582 | pLb->hdr.left, |
||
583 | pLb->hdr.top, |
||
584 | pLb->hdr.right, |
||
585 | pLb->hdr.bottom, |
||
586 | 0, |
||
587 | temp, |
||
588 | pLb->hdr.pGolScheme->EmbossDkColor, |
||
589 | pLb->hdr.pGolScheme->EmbossLtColor, |
||
590 | NULL, |
||
591 | GOL_EMBOSS_SIZE |
||
592 | ); |
||
593 | |||
594 | state = LB_STATE_PANEL; |
||
595 | |||
596 | case LB_STATE_PANEL: |
||
597 | if(!GOLPanelDrawTsk()) |
||
598 | return (0); |
||
599 | } |
||
600 | |||
601 | ///////////////////////////////////////////////////////////////////// |
||
602 | // DRAW ITEMS |
||
603 | ///////////////////////////////////////////////////////////////////// |
||
604 | L_LB_DRAW: |
||
605 | SetClip(CLIP_ENABLE); |
||
606 | |||
607 | SetClipRgn |
||
608 | ( |
||
609 | pLb->hdr.left + GOL_EMBOSS_SIZE + LB_INDENT, |
||
610 | pLb->hdr.top + GOL_EMBOSS_SIZE + LB_INDENT, |
||
611 | pLb->hdr.right - GOL_EMBOSS_SIZE - LB_INDENT, |
||
612 | pLb->hdr.bottom - GOL_EMBOSS_SIZE - LB_INDENT |
||
613 | ); |
||
614 | |||
615 | SetFont(pLb->hdr.pGolScheme->pFont); |
||
616 | |||
617 | // Set graphics cursor |
||
618 | MoveTo(pLb->hdr.left + GOL_EMBOSS_SIZE + LB_INDENT, pLb->hdr.top + GOL_EMBOSS_SIZE + LB_INDENT + pLb->scrollY); |
||
619 | |||
620 | pCurItem = pLb->pItemList; |
||
621 | |||
622 | ///////////////////////////////////////////////////////////////////// |
||
623 | // DRAW CURRENT ITEM |
||
624 | ///////////////////////////////////////////////////////////////////// |
||
625 | L_LB_DRAWITEM: |
||
626 | if(pCurItem == NULL) |
||
627 | { |
||
628 | state = LB_STATE_START; |
||
629 | SetClip(CLIP_DISABLE); |
||
630 | return (1); |
||
631 | } |
||
632 | |||
633 | ///////////////////////////////////////////////////////////////////// |
||
634 | if(GetY() < pLb->hdr.bottom - GOL_EMBOSS_SIZE - LB_INDENT) |
||
635 | if((GetY() + pLb->textHeight) >= (pLb->hdr.top + GOL_EMBOSS_SIZE + LB_INDENT)) |
||
636 | { |
||
637 | if(!GetState(pLb, LB_DRAW)) |
||
638 | if(!(pCurItem->status & LB_STS_REDRAW)) |
||
639 | goto L_LB_NEXTITEM; |
||
640 | |||
641 | pCurItem->status &= ~LB_STS_REDRAW; |
||
642 | |||
643 | state = LB_STATE_ERASEITEM; |
||
644 | |||
645 | case LB_STATE_ERASEITEM: |
||
646 | if(IsDeviceBusy()) |
||
647 | return (0); |
||
648 | |||
649 | if(GetState(pLb, LB_DISABLED)) |
||
650 | { |
||
651 | SetColor(pLb->hdr.pGolScheme->ColorDisabled); |
||
652 | } |
||
653 | else |
||
654 | { |
||
655 | SetColor(pLb->hdr.pGolScheme->Color0); |
||
656 | if(pCurItem != NULL) |
||
657 | if(pCurItem->status & LB_STS_SELECTED) |
||
658 | { |
||
659 | SetColor(pLb->hdr.pGolScheme->Color1); |
||
660 | } |
||
661 | } |
||
662 | |||
663 | if |
||
664 | ( |
||
665 | !Bar |
||
666 | ( |
||
667 | pLb->hdr.left + GOL_EMBOSS_SIZE + LB_INDENT, |
||
668 | GetY(), |
||
669 | pLb->hdr.right - GOL_EMBOSS_SIZE - LB_INDENT, |
||
670 | GetY() + pLb->textHeight |
||
671 | ) |
||
672 | ) return (0); |
||
673 | |||
674 | if(!GetState(pLb, LB_CENTER_ALIGN | LB_RIGHT_ALIGN)) |
||
675 | { |
||
676 | MoveTo(pLb->hdr.left + GOL_EMBOSS_SIZE + LB_INDENT, GetY()); |
||
677 | } |
||
678 | else |
||
679 | { |
||
680 | temp = GetTextWidth(pCurItem->pText, pLb->hdr.pGolScheme->pFont); |
||
681 | if(pCurItem->pBitmap != NULL) |
||
682 | { |
||
683 | temp += GetImageWidth(pCurItem->pBitmap) + LB_INDENT; |
||
684 | } |
||
685 | |||
686 | if(GetState(pLb, LB_RIGHT_ALIGN)) |
||
687 | { |
||
688 | MoveTo(pLb->hdr.right - temp - LB_INDENT - GOL_EMBOSS_SIZE, GetY()); |
||
689 | } |
||
690 | else |
||
691 | { |
||
692 | MoveTo((pLb->hdr.left + pLb->hdr.right - temp) >> 1, GetY()); |
||
693 | } |
||
694 | } |
||
695 | |||
696 | if(GetState(pLb, LB_DISABLED)) |
||
697 | { |
||
698 | SetColor(pLb->hdr.pGolScheme->TextColorDisabled); |
||
699 | } |
||
700 | else |
||
701 | { |
||
702 | if(pCurItem->status & LB_STS_SELECTED) |
||
703 | { |
||
704 | SetColor(pLb->hdr.pGolScheme->TextColor1); |
||
705 | } |
||
706 | else |
||
707 | { |
||
708 | SetColor(pLb->hdr.pGolScheme->TextColor0); |
||
709 | } |
||
710 | } |
||
711 | |||
712 | state = LB_STATE_BITMAP; |
||
713 | |||
714 | case LB_STATE_BITMAP: |
||
715 | if(pCurItem->pBitmap != NULL) |
||
716 | { |
||
717 | if |
||
718 | ( |
||
719 | !PutImage |
||
720 | ( |
||
721 | GetX(), |
||
722 | GetY() + ((pLb->textHeight - GetImageHeight(pCurItem->pBitmap)) >> 1), |
||
723 | pCurItem->pBitmap, |
||
724 | 1 |
||
725 | ) |
||
726 | ) return (0); |
||
727 | |||
728 | MoveRel(GetImageWidth(pCurItem->pBitmap) + LB_INDENT, 0); |
||
729 | } |
||
730 | |||
731 | state = LB_STATE_TEXT; |
||
732 | |||
733 | case LB_STATE_TEXT: |
||
734 | if(!OutText(pCurItem->pText)) |
||
735 | return (0); |
||
736 | } |
||
737 | |||
738 | ///////////////////////////////////////////////////////////////////// |
||
739 | L_LB_NEXTITEM: |
||
740 | state = LB_STATE_ITEMFOCUS; |
||
741 | |||
742 | case LB_STATE_ITEMFOCUS: |
||
743 | if(pLb->pFocusItem == pCurItem) |
||
744 | { |
||
745 | if(IsDeviceBusy()) |
||
746 | return (0); |
||
747 | |||
748 | if(GetState(pLb, LB_FOCUSED)) |
||
749 | { |
||
750 | SetColor(pLb->hdr.pGolScheme->TextColor1); |
||
751 | } |
||
752 | else |
||
753 | { |
||
754 | SetColor(pLb->hdr.pGolScheme->TextColor0); |
||
755 | } |
||
756 | |||
757 | SetLineType(FOCUS_LINE); |
||
758 | temp = GetY(); |
||
759 | if |
||
760 | ( |
||
761 | !Rectangle |
||
762 | ( |
||
763 | pLb->hdr.left + GOL_EMBOSS_SIZE + LB_INDENT, |
||
764 | GetY(), |
||
765 | pLb->hdr.right - GOL_EMBOSS_SIZE - LB_INDENT, |
||
766 | GetY() + pLb->textHeight - 1 |
||
767 | ) |
||
768 | ) return (0); |
||
769 | MoveTo(0, temp); |
||
770 | SetLineType(SOLID_LINE); |
||
771 | |||
772 | // Scroll if needed |
||
773 | if(GetY() < (pLb->hdr.top + GOL_EMBOSS_SIZE + LB_INDENT)) |
||
774 | { |
||
775 | pLb->scrollY += (pLb->hdr.top + GOL_EMBOSS_SIZE + LB_INDENT) - GetY(); |
||
776 | SetState(pLb, LB_DRAW); |
||
777 | goto L_LB_DRAW; |
||
778 | } |
||
779 | |||
780 | if((GetY() + pLb->textHeight) > (pLb->hdr.bottom - GOL_EMBOSS_SIZE - LB_INDENT)) |
||
781 | { |
||
782 | pLb->scrollY += pLb->hdr.bottom - GetY() - pLb->textHeight - GOL_EMBOSS_SIZE - LB_INDENT; |
||
783 | SetState(pLb, LB_DRAW); |
||
784 | goto L_LB_DRAW; |
||
785 | } |
||
786 | } |
||
787 | |||
788 | pCurItem = (LISTITEM *)pCurItem->pNextItem; |
||
789 | MoveRel(0, pLb->textHeight); |
||
790 | |||
791 | goto L_LB_DRAWITEM; |
||
792 | } // end of switch |
||
793 | |||
794 | return (1); |
||
795 | } |
||
796 | |||
797 | #endif // USE_LISTBOX |
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