comparison: ui/motif/button.c
ui/motif/button.c
- changeset 0
- 2483f517c562
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| -1:000000000000 | 0:2483f517c562 |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2014 Olaf Wintermann. All rights reserved. | |
| 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 "button.h" | |
| 33 #include "container.h" | |
| 34 #include "../common/context.h" | |
| 35 #include <cx/mempool.h> | |
| 36 | |
| 37 #include <cx/linked_list.h> | |
| 38 #include <cx/array_list.h> | |
| 39 #include <cx/compare.h> | |
| 40 | |
| 41 | |
| 42 UIWIDGET ui_button(UiObject *obj, char *label, ui_callback f, void *data) { | |
| 43 UiContainer *ct = uic_get_current_container(obj); | |
| 44 XmString str = XmStringCreateLocalized(label); | |
| 45 | |
| 46 int n = 0; | |
| 47 Arg args[16]; | |
| 48 | |
| 49 XtSetArg(args[n], XmNlabelString, str); | |
| 50 n++; | |
| 51 | |
| 52 Widget parent = ct->prepare(ct, args, &n, FALSE); | |
| 53 Widget button = XmCreatePushButton(parent, "button", args, n); | |
| 54 ct->add(ct, button); | |
| 55 | |
| 56 if(f) { | |
| 57 UiEventData *event = cxMalloc( | |
| 58 obj->ctx->allocator, | |
| 59 sizeof(UiEventData)); | |
| 60 event->obj = obj; | |
| 61 event->userdata = data; | |
| 62 event->callback = f; | |
| 63 event->value = 0; | |
| 64 XtAddCallback( | |
| 65 button, | |
| 66 XmNactivateCallback, | |
| 67 (XtCallbackProc)ui_push_button_callback, | |
| 68 event); | |
| 69 } | |
| 70 | |
| 71 XtManageChild(button); | |
| 72 | |
| 73 return button; | |
| 74 } | |
| 75 | |
| 76 // wrapper | |
| 77 int64_t ui_toggle_button_get(UiInteger *i) { | |
| 78 int state = 0; | |
| 79 XtVaGetValues(i->obj, XmNset, &state, NULL); | |
| 80 i->value = state; | |
| 81 return state; | |
| 82 } | |
| 83 | |
| 84 void ui_toggle_button_set(UiInteger *i, int64_t value) { | |
| 85 Arg arg; | |
| 86 XtSetArg(arg, XmNset, value); | |
| 87 XtSetValues(i->obj, &arg, 1); | |
| 88 i->value = value; | |
| 89 } | |
| 90 | |
| 91 void ui_toggle_button_callback( | |
| 92 Widget widget, | |
| 93 UiEventData *event, | |
| 94 XmToggleButtonCallbackStruct *tb) | |
| 95 { | |
| 96 UiEvent e; | |
| 97 e.obj = event->obj; | |
| 98 e.window = event->obj->window; | |
| 99 // TODO: e.document | |
| 100 e.intval = tb->set; | |
| 101 event->callback(&e, event->userdata); | |
| 102 } | |
| 103 | |
| 104 void ui_push_button_callback(Widget widget, UiEventData *event, XtPointer d) { | |
| 105 UiEvent e; | |
| 106 e.obj = event->obj; | |
| 107 e.window = event->obj->window; | |
| 108 e.document = event->obj->ctx->document; | |
| 109 e.intval = event->value; | |
| 110 event->callback(&e, event->userdata); | |
| 111 } | |
| 112 | |
| 113 | |
| 114 static void radio_callback( | |
| 115 Widget widget, | |
| 116 RadioEventData *event, | |
| 117 XmToggleButtonCallbackStruct *tb) | |
| 118 { | |
| 119 if(tb->set) { | |
| 120 RadioButtonGroup *group = event->group; | |
| 121 if(group->current) { | |
| 122 Arg arg; | |
| 123 XtSetArg(arg, XmNset, FALSE); | |
| 124 XtSetValues(group->current, &arg, 1); | |
| 125 } | |
| 126 group->current = widget; | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 UIWIDGET ui_radiobutton(UiObject *obj, char *label, UiInteger *rgroup) { | |
| 131 UiContainer *ct = uic_get_current_container(obj); | |
| 132 XmString str = XmStringCreateLocalized(label); | |
| 133 | |
| 134 int n = 0; | |
| 135 Arg args[16]; | |
| 136 | |
| 137 XtSetArg(args[n], XmNlabelString, str); | |
| 138 n++; | |
| 139 XtSetArg(args[n], XmNindicatorType, XmONE_OF_MANY_ROUND); | |
| 140 n++; | |
| 141 | |
| 142 Widget parent = ct->prepare(ct, args, &n, FALSE); | |
| 143 Widget button = XmCreateToggleButton(parent, "radiobutton", args, n); | |
| 144 ct->add(ct, button); | |
| 145 | |
| 146 if(rgroup) { | |
| 147 RadioButtonGroup *group; | |
| 148 if(rgroup->obj) { | |
| 149 group = rgroup->obj; | |
| 150 if(!group->buttons) { | |
| 151 group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8); | |
| 152 } | |
| 153 cxListAdd(group->buttons, button); | |
| 154 group->ref++; | |
| 155 } else { | |
| 156 group = malloc(sizeof(RadioButtonGroup)); | |
| 157 group->buttons = cxArrayListCreate(cxDefaultAllocator, cx_cmp_uintptr, CX_STORE_POINTERS, 8); | |
| 158 cxListAdd(group->buttons, button); | |
| 159 group->current = button; | |
| 160 // this is the first button in the radiobutton group | |
| 161 // so we should enable it | |
| 162 Arg arg; | |
| 163 XtSetArg(arg, XmNset, TRUE); | |
| 164 XtSetValues(button, &arg, 1); | |
| 165 rgroup->obj = group; | |
| 166 | |
| 167 group->current = button; | |
| 168 } | |
| 169 | |
| 170 RadioEventData *event = malloc(sizeof(RadioEventData)); | |
| 171 event->obj = obj; | |
| 172 event->callback = NULL; | |
| 173 event->userdata = NULL; | |
| 174 event->group = group; | |
| 175 XtAddCallback( | |
| 176 button, | |
| 177 XmNvalueChangedCallback, | |
| 178 (XtCallbackProc)radio_callback, | |
| 179 event); | |
| 180 | |
| 181 rgroup->get = ui_radiobutton_get; | |
| 182 rgroup->set = ui_radiobutton_set; | |
| 183 } | |
| 184 | |
| 185 XtManageChild(button); | |
| 186 return button; | |
| 187 } | |
| 188 | |
| 189 int64_t ui_radiobutton_get(UiInteger *value) { | |
| 190 RadioButtonGroup *group = value->obj; | |
| 191 | |
| 192 int i = cxListFind(group->buttons, group->current); | |
| 193 if (i >= 0) { | |
| 194 value->value = i; | |
| 195 return i; | |
| 196 } else { | |
| 197 return 0; | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 void ui_radiobutton_set(UiInteger *value, int64_t i) { | |
| 202 RadioButtonGroup *group = value->obj; | |
| 203 Arg arg; | |
| 204 | |
| 205 XtSetArg(arg, XmNset, FALSE); | |
| 206 XtSetValues(group->current, &arg, 1); | |
| 207 | |
| 208 Widget button = cxListAt(group->buttons, i); | |
| 209 if(button) { | |
| 210 XtSetArg(arg, XmNset, TRUE); | |
| 211 XtSetValues(button, &arg, 1); | |
| 212 group->current = button; | |
| 213 } | |
| 214 } |
