ui/common/object.c

Fri, 11 Dec 2020 18:32:54 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Fri, 11 Dec 2020 18:32:54 +0100
changeset 4
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parent 0
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permissions
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add sqlite dependency

0
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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2017 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include "object.h"
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33 #include "context.h"
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34
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35 void ui_end(UiObject *obj) {
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36 if(!obj->next) {
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37 return;
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38 }
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39
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40 UiObject *prev = NULL;
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41 while(obj->next) {
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42 prev = obj;
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43 obj = obj->next;
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44 }
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45
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46 if(prev) {
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47 // TODO: free last obj
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48 prev->next = NULL;
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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 UiObject* uic_object_new(UiObject *toplevel, UIWIDGET widget) {
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54 UiContext *ctx = toplevel->ctx;
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55
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56 UiObject *newobj = ucx_mempool_calloc(ctx->mempool, 1, sizeof(UiObject));
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57 newobj->ctx = ctx;
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58 newobj->widget = widget;
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59
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60 return newobj;
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61 }
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62
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63 void uic_obj_add(UiObject *toplevel, UiObject *ctobj) {
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64 UiObject *current = uic_current_obj(toplevel);
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65 current->next = ctobj;
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66 }
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67
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68 UiObject* uic_current_obj(UiObject *toplevel) {
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69 if(!toplevel) {
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70 return NULL;
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71 }
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72 UiObject *obj = toplevel;
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73 while(obj->next) {
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74 obj = obj->next;
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75 }
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76 return obj;
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77 }
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78
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79 UiContainer* uic_get_current_container(UiObject *obj) {
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80 return uic_current_obj(obj)->container;
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81 }

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