32 #include "container.h" |
32 #include "container.h" |
33 |
33 |
34 #include "list.h" |
34 #include "list.h" |
35 #include "../common/object.h" |
35 #include "../common/object.h" |
36 |
36 |
37 |
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38 void* ui_strmodel_getvalue(void *elm, int column) { |
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39 return column == 0 ? elm : NULL; |
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40 } |
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41 |
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42 |
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43 UIWIDGET ui_listview_str(UiObject *obj, UiList *list, ui_callback f, void *udata) { |
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44 return ui_listview(obj, list, ui_strmodel_getvalue, f, udata); |
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45 } |
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46 |
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47 UIWIDGET ui_listview_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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48 int count; |
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49 XmStringTable items = ui_create_stringlist(var->value, getvalue, &count); |
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50 |
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51 Arg args[8]; |
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52 int n = 0; |
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53 XtSetArg(args[n], XmNitemCount, count); |
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54 n++; |
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55 XtSetArg(args[n], XmNitems, count == 0 ? NULL : items); |
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56 n++; |
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57 |
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58 UiContainer *ct = uic_get_current_container(obj); |
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59 Widget parent = ct->prepare(ct, args, &n, TRUE); |
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60 Widget widget = XmCreateScrolledList(parent, "listview", args, n); |
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61 ct->add(ct, XtParent(widget)); |
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62 XtManageChild(widget); |
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63 |
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64 UiListView *listview = cxMalloc(obj->ctx->allocator, sizeof(UiListView)); |
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65 listview->widget = widget; |
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66 listview->list = var; |
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67 listview->getvalue = getvalue; |
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68 |
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69 for (int i=0;i<count;i++) { |
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70 XmStringFree(items[i]); |
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71 } |
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72 XtFree((char *)items); |
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73 |
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74 if(f) { |
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75 UiListViewEventData *event = cxMalloc( |
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76 obj->ctx->allocator, |
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77 sizeof(UiListViewEventData)); |
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78 event->event.obj = obj; |
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79 event->event.userdata = udata; |
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80 event->event.callback = f; |
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81 event->event.value = 0; |
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82 event->var = var; |
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83 XtAddCallback( |
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84 widget, |
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85 XmNdefaultActionCallback, |
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86 (XtCallbackProc)ui_list_selection_callback, |
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87 event); |
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88 } |
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89 |
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90 return widget; |
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91 } |
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92 |
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93 UIWIDGET ui_listview(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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94 UiVar *var = malloc(sizeof(UiVar)); |
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95 var->value = list; |
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96 var->type = UI_VAR_SPECIAL; |
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97 return ui_listview_var(obj, var, getvalue, f, udata); |
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98 } |
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99 |
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100 UIWIDGET ui_listview_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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101 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST); |
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102 if(var) { |
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103 UiListVar *value = var->value; |
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104 return ui_listview_var(obj, var, getvalue, f, udata); |
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105 } else { |
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106 // TODO: error |
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107 } |
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108 return NULL; |
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109 } |
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110 |
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111 |
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112 XmStringTable ui_create_stringlist(UiList *list, ui_getvaluefunc getvalue, int *count) { |
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113 int num = list->count(list); |
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114 XmStringTable items = (XmStringTable)XtMalloc(num * sizeof(XmString)); |
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115 void *data = list->first(list); |
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116 for(int i=0;i<num;i++) { |
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117 items[i] = XmStringCreateLocalized(getvalue(data, 0)); |
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118 data = list->next(list); |
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119 } |
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120 |
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121 *count = num; |
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122 return items; |
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123 } |
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124 |
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125 |
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126 void ui_listview_update(UiEvent *event, UiListView *view) { |
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127 int count; |
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128 XmStringTable items = ui_create_stringlist( |
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129 view->list->value, |
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130 view->getvalue, |
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131 &count); |
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132 |
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133 XtVaSetValues( |
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134 view->widget, |
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135 XmNitems, count == 0 ? NULL : items, |
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136 XmNitemCount, |
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137 count, |
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138 NULL); |
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139 |
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140 for (int i=0;i<count;i++) { |
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141 XmStringFree(items[i]); |
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142 } |
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143 XtFree((char *)items); |
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144 } |
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145 |
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146 void ui_list_selection_callback (Widget widget, UiListViewEventData *event, XtPointer data) { |
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147 XmListCallbackStruct *cbs = (XmListCallbackStruct *)data; |
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148 |
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149 UiEvent e; |
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150 e.obj = event->event.obj; |
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151 e.window = event->event.obj->window; |
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152 e.document = event->event.obj->ctx->document; |
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153 UiList *list = event->var->value; |
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154 e.eventdata = list->get(list, cbs->item_position - 1); |
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155 e.intval = cbs->item_position - 1; |
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156 event->event.callback(&e, event->event.userdata); |
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157 } |
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158 |
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159 |
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160 /* --------------------------- ComboBox --------------------------- */ |
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161 |
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162 UIWIDGET ui_combobox_str(UiObject *obj, UiList *list, ui_callback f, void *udata) { |
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163 return ui_combobox(obj, list, ui_strmodel_getvalue, f, udata); |
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164 } |
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165 |
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166 UIWIDGET ui_combobox(UiObject *obj, UiList *list, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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167 UiVar *var = malloc(sizeof(UiVar)); |
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168 var->value = list; |
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169 var->type = UI_VAR_SPECIAL; |
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170 return ui_combobox_var(obj, var, getvalue, f, udata); |
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171 } |
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172 |
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173 UIWIDGET ui_combobox_nv(UiObject *obj, char *varname, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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174 UiVar *var = uic_create_var(obj->ctx, varname, UI_VAR_LIST); |
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175 if(var) { |
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176 UiListVar *value = var->value; |
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177 return ui_combobox_var(obj, var, getvalue, f, udata); |
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178 } else { |
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179 // TODO: error |
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180 } |
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181 return NULL; |
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182 } |
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183 |
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184 UIWIDGET ui_combobox_var(UiObject *obj, UiVar *var, ui_getvaluefunc getvalue, ui_callback f, void *udata) { |
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185 UiListView *listview = cxMalloc( |
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186 obj->ctx->allocator, |
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187 sizeof(UiListView)); |
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188 |
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189 UiContainer *ct = uic_get_current_container(obj); |
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190 Arg args[16]; |
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191 int n = 0; |
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192 XtSetArg(args[n], XmNindicatorOn, XmINDICATOR_NONE); |
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193 n++; |
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194 XtSetArg(args[n], XmNtraversalOn, FALSE); |
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195 n++; |
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196 XtSetArg(args[n], XmNwidth, 160); |
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197 n++; |
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198 Widget parent = ct->prepare(ct, args, &n, FALSE); |
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199 Widget combobox = XmCreateDropDownList(parent, "combobox", args, n); |
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200 XtManageChild(combobox); |
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201 listview->widget = combobox; |
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202 listview->list = var; |
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203 listview->getvalue = getvalue; |
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204 |
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205 ui_listview_update(NULL, listview); |
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206 |
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207 return parent; |
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208 } |
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