Wed, 04 Dec 2024 18:31:22 +0100
add first code of the new Motif implementation, implement buttons
5 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
5 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | #include <stdio.h> | |
30 | #include <stdlib.h> | |
31 | ||
32 | #include "object.h" | |
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33 | #include "context.h" |
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34 | |
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35 | #include "../ui/container.h" |
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36 | |
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37 | void ui_end(UiObject *obj) { |
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38 | if(!obj->next) { |
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39 | return; |
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40 | } |
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41 | |
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42 | UiObject *prev = NULL; |
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43 | while(obj->next) { |
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44 | prev = obj; |
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45 | obj = obj->next; |
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46 | } |
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47 | |
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48 | if(prev) { |
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49 | // TODO: free last obj |
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50 | prev->next = NULL; |
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51 | } |
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52 | } |
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53 | |
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54 | void ui_end_new(UiObject *obj) { |
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55 | if(!obj->container_end) { |
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56 | return; |
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57 | } |
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58 | UiContainerX *rm = obj->container_end; |
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59 | uic_object_pop_container(obj); |
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60 | ui_free(obj->ctx, rm); |
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61 | } |
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62 | |
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63 | void ui_object_ref(UiObject *obj) { |
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64 | obj->ref++; |
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65 | } |
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66 | |
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67 | int ui_object_unref(UiObject *obj) { |
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68 | // it is possible to have 0 references, in case |
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69 | // a window was created but ui_show was never called |
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70 | if(obj->ref == 0 || --obj->ref == 0) { |
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71 | if(obj->destroy) { |
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72 | obj->destroy(obj); |
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73 | } |
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74 | uic_object_destroy(obj); |
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75 | return 0; |
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76 | } |
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77 | return 1; |
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78 | } |
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79 | |
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80 | void uic_object_destroy(UiObject *obj) { |
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81 | if(obj->ctx->close_callback) { |
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82 | UiEvent ev; |
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83 | ev.window = obj->window; |
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84 | ev.document = obj->ctx->document; |
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85 | ev.obj = obj; |
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86 | ev.eventdata = NULL; |
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87 | ev.intval = 0; |
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88 | obj->ctx->close_callback(&ev, obj->ctx->close_data); |
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89 | } |
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90 | cxMempoolDestroy(obj->ctx->mp); |
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91 | } |
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92 | |
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93 | UiObject* uic_object_new(UiObject *toplevel, UIWIDGET widget) { |
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94 | return uic_ctx_object_new(toplevel->ctx, widget); |
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95 | } |
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96 | |
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97 | UiObject* uic_ctx_object_new(UiContext *ctx, UIWIDGET widget) { |
174 | 98 | UiObject *newobj = cxCalloc(ctx->allocator, 1, sizeof(UiObject)); |
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99 | newobj->ctx = ctx; |
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100 | newobj->widget = widget; |
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101 | |
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102 | return newobj; |
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103 | } |
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104 | |
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105 | void uic_obj_add(UiObject *toplevel, UiObject *ctobj) { |
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106 | UiObject *current = uic_current_obj(toplevel); |
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107 | current->next = ctobj; |
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108 | } |
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109 | |
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110 | UiObject* uic_current_obj(UiObject *toplevel) { |
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111 | if(!toplevel) { |
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112 | return NULL; |
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113 | } |
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114 | UiObject *obj = toplevel; |
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115 | while(obj->next) { |
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116 | obj = obj->next; |
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117 | } |
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118 | return obj; |
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119 | } |
5 | 120 | |
121 | UiContainer* uic_get_current_container(UiObject *obj) { | |
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122 | return uic_current_obj(obj)->container; |
5 | 123 | } |
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124 | |
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125 | void uic_object_push_container(UiObject *toplevel, UiContainerX *newcontainer) { |
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126 | newcontainer->prev = toplevel->container_end; |
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127 | if(toplevel->container_end) { |
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128 | toplevel->container_end->next = newcontainer; |
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129 | toplevel->container_end = newcontainer; |
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130 | } else { |
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131 | toplevel->container_begin = newcontainer; |
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132 | toplevel->container_end = newcontainer; |
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133 | } |
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134 | } |
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135 | |
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136 | void uic_object_pop_container(UiObject *toplevel) { |
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137 | toplevel->container_end = toplevel->container_end->prev; |
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138 | if(toplevel->container_end) { |
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139 | toplevel->container_end->next = NULL; |
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140 | } else { |
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141 | toplevel->container_begin = NULL; |
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142 | } |
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143 | } |