1 | #include <stdlib.h> |
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2 | #include "owl.h" |
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3 | |
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4 | void owl_view_create(owl_view *v, const char *name, owl_filter *f, const owl_style *s) |
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5 | { |
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6 | v->name=owl_strdup(name); |
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7 | v->filter=f; |
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8 | v->style=s; |
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9 | owl_messagelist_create(&(v->ml)); |
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10 | owl_view_recalculate(v); |
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11 | } |
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12 | |
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13 | const char *owl_view_get_name(owl_view *v) |
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14 | { |
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15 | return(v->name); |
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16 | } |
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17 | |
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18 | /* if the message matches the filter then add to view */ |
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19 | void owl_view_consider_message(owl_view *v, owl_message *m) |
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20 | { |
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21 | if (owl_filter_message_match(v->filter, m)) { |
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22 | owl_messagelist_append_element(&(v->ml), m); |
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23 | } |
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24 | } |
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25 | |
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26 | /* remove all messages, add all the global messages that match the |
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27 | * filter. |
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28 | */ |
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29 | void owl_view_recalculate(owl_view *v) |
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30 | { |
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31 | int i, j; |
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32 | const owl_messagelist *gml; |
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33 | owl_messagelist *ml; |
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34 | owl_message *m; |
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35 | |
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36 | gml=owl_global_get_msglist(&g); |
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37 | ml=&(v->ml); |
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38 | |
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39 | /* nuke the old list */ |
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40 | owl_list_free_simple(&ml->list); |
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41 | owl_messagelist_create(&(v->ml)); |
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42 | |
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43 | /* find all the messages we want */ |
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44 | j=owl_messagelist_get_size(gml); |
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45 | for (i=0; i<j; i++) { |
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46 | m=owl_messagelist_get_element(gml, i); |
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47 | if (owl_filter_message_match(v->filter, m)) { |
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48 | owl_messagelist_append_element(ml, m); |
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49 | } |
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50 | } |
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51 | } |
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52 | |
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53 | void owl_view_new_filter(owl_view *v, owl_filter *f) |
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54 | { |
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55 | v->filter=f; |
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56 | owl_view_recalculate(v); |
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57 | } |
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58 | |
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59 | void owl_view_set_style(owl_view *v, const owl_style *s) |
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60 | { |
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61 | v->style=s; |
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62 | } |
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63 | |
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64 | const owl_style *owl_view_get_style(owl_view *v) |
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65 | { |
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66 | return(v->style); |
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67 | } |
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68 | |
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69 | const char *owl_view_get_style_name(owl_view *v) { |
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70 | return(owl_style_get_name(v->style)); |
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71 | } |
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72 | |
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73 | owl_message *owl_view_get_element(owl_view *v, int index) |
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74 | { |
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75 | return(owl_messagelist_get_element(&(v->ml), index)); |
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76 | } |
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77 | |
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78 | void owl_view_delete_element(owl_view *v, int index) |
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79 | { |
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80 | owl_messagelist_delete_element(&(v->ml), index); |
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81 | } |
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82 | |
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83 | void owl_view_undelete_element(owl_view *v, int index) |
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84 | { |
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85 | owl_messagelist_undelete_element(&(v->ml), index); |
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86 | } |
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87 | |
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88 | int owl_view_get_size(owl_view *v) |
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89 | { |
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90 | return(owl_messagelist_get_size(&(v->ml))); |
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91 | } |
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92 | |
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93 | /* Returns the position in the view with a message closest |
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94 | * to the passed msgid. */ |
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95 | int owl_view_get_nearest_to_msgid(owl_view *v, int targetid) |
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96 | { |
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97 | int first, last, mid = 0, max, bestdist, curid = 0; |
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98 | |
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99 | first = 0; |
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100 | last = max = owl_view_get_size(v) - 1; |
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101 | while (first <= last) { |
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102 | mid = (first + last) / 2; |
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103 | curid = owl_message_get_id(owl_view_get_element(v, mid)); |
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104 | if (curid == targetid) { |
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105 | return(mid); |
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106 | } else if (curid < targetid) { |
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107 | first = mid + 1; |
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108 | } else { |
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109 | last = mid - 1; |
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110 | } |
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111 | } |
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112 | bestdist = abs(targetid-curid); |
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113 | if (curid < targetid && mid+1 < max) { |
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114 | curid = owl_message_get_id(owl_view_get_element(v, mid+1)); |
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115 | mid = (bestdist < abs(targetid-curid)) ? mid : mid+1; |
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116 | } |
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117 | else if (curid > targetid && mid-1 >= 0) { |
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118 | curid = owl_message_get_id(owl_view_get_element(v, mid-1)); |
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119 | mid = (bestdist < abs(targetid-curid)) ? mid : mid-1; |
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120 | } |
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121 | return mid; |
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122 | } |
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123 | |
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124 | int owl_view_get_nearest_to_saved(owl_view *v) |
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125 | { |
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126 | int cachedid; |
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127 | |
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128 | cachedid=owl_filter_get_cachedmsgid(v->filter); |
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129 | if (cachedid<0) return(0); |
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130 | return (owl_view_get_nearest_to_msgid(v, cachedid)); |
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131 | } |
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132 | |
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133 | /* saves the current message position in the filter so it can |
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134 | * be restored later if we switch back to this filter. */ |
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135 | void owl_view_save_curmsgid(owl_view *v, int curid) |
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136 | { |
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137 | owl_filter_set_cachedmsgid(v->filter, curid); |
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138 | } |
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139 | |
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140 | /* fmtext should already be initialized */ |
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141 | void owl_view_to_fmtext(owl_view *v, owl_fmtext *fm) |
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142 | { |
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143 | owl_fmtext_append_normal(fm, "Name: "); |
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144 | owl_fmtext_append_normal(fm, v->name); |
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145 | owl_fmtext_append_normal(fm, "\n"); |
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146 | |
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147 | owl_fmtext_append_normal(fm, "Filter: "); |
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148 | owl_fmtext_append_normal(fm, owl_filter_get_name(v->filter)); |
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149 | owl_fmtext_append_normal(fm, "\n"); |
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150 | |
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151 | owl_fmtext_append_normal(fm, "Style: "); |
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152 | owl_fmtext_append_normal(fm, owl_style_get_name(v->style)); |
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153 | owl_fmtext_append_normal(fm, "\n"); |
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154 | } |
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155 | |
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156 | const char *owl_view_get_filtname(owl_view *v) |
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157 | { |
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158 | return(owl_filter_get_name(v->filter)); |
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159 | } |
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160 | |
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161 | void owl_view_free(owl_view *v) |
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162 | { |
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163 | owl_list_free_simple(&v->ml.list); |
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164 | if (v->name) owl_free(v->name); |
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165 | } |
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