UNIXworkcode

1 /* 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 3 * 4 * Copyright 2017 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 "../common/context.h" 33 #include "../common/object.h" 34 #include "container.h" 35 #include "entry.h" 36 37 38 UIWIDGET ui_spinner_create(UiObject *obj, UiSpinnerArgs args) { 39 double min = 0; 40 double max = 1000; 41 42 UiObject* current = uic_current_obj(obj); 43 44 UiVar *var = NULL; 45 if(args.varname) { 46 var = uic_get_var(obj->ctx, args.varname); 47 } 48 49 if(!var) { 50 if(args.intvalue) { 51 var = uic_widget_var(obj->ctx, current->ctx, args.intvalue, NULL, UI_VAR_INTEGER); 52 } else if(args.doublevalue) { 53 var = uic_widget_var(obj->ctx, current->ctx, args.doublevalue, NULL, UI_VAR_DOUBLE); 54 } else if(args.rangevalue) { 55 var = uic_widget_var(obj->ctx, current->ctx, args.rangevalue, NULL, UI_VAR_RANGE); 56 } 57 } 58 59 if(var && var->type == UI_VAR_RANGE) { 60 UiRange *r = var->value; 61 min = r->min; 62 max = r->max; 63 } 64 if(args.step == 0) { 65 args.step = 1; 66 } 67 #ifdef UI_GTK2LEGACY 68 if(min == max) { 69 max = min + 1; 70 } 71 #endif 72 GtkWidget *spin = gtk_spin_button_new_with_range(min, max, args.step); 73 ui_set_name_and_style(spin, args.name, args.style_class); 74 ui_set_widget_groups(obj->ctx, spin, args.groups); 75 gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), args.digits); 76 UiObserver **obs = NULL; 77 if(var) { 78 double value = 0; 79 switch(var->type) { 80 default: break; 81 case UI_VAR_INTEGER: { 82 UiInteger *i = var->value; 83 i->get = ui_spinbutton_getint; 84 i->set = ui_spinbutton_setint; 85 i->obj = spin; 86 value = (double)i->value; 87 obs = &i->observers; 88 break; 89 } 90 case UI_VAR_DOUBLE: { 91 UiDouble *d = var->value; 92 d->get = ui_spinbutton_getdouble; 93 d->set = ui_spinbutton_setdouble; 94 d->obj = spin; 95 value = d->value; 96 obs = &d->observers; 97 break; 98 } 99 case UI_VAR_RANGE: { 100 UiRange *r = var->value; 101 r->get = ui_spinbutton_getrangeval; 102 r->set = ui_spinbutton_setrangeval; 103 r->setrange = ui_spinbutton_setrange; 104 r->setextent = ui_spinbutton_setextent; 105 r->obj = spin; 106 value = r->value; 107 obs = &r->observers; 108 break; 109 } 110 } 111 gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value); 112 } 113 114 UiVarEventData *event = malloc(sizeof(UiVarEventData)); 115 event->obj = obj; 116 event->var = var; 117 event->observers = obs; 118 event->callback = args.onchange; 119 event->userdata = args.onchangedata; 120 121 g_signal_connect( 122 spin, 123 "value-changed", 124 G_CALLBACK(ui_spinner_changed), 125 event); 126 g_signal_connect( 127 spin, 128 "destroy", 129 G_CALLBACK(ui_destroy_vardata), 130 event); 131 132 UI_APPLY_LAYOUT1(current, args); 133 current->container->add(current->container, spin, FALSE); 134 135 return spin; 136 } 137 138 void ui_spinner_setrange(UIWIDGET spinner, double min, double max) { 139 gtk_spin_button_set_range(GTK_SPIN_BUTTON(spinner), min, max); 140 } 141 142 void ui_spinner_setdigits(UIWIDGET spinner, int digits) { 143 gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spinner), digits); 144 } 145 146 147 void ui_spinner_changed(GtkSpinButton *spinner, UiVarEventData *event) { 148 gdouble value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(spinner)); 149 UiEvent e; 150 e.obj = event->obj; 151 e.window = event->obj->window; 152 e.document = event->obj->ctx->document; 153 e.eventdata = &value; 154 e.intval = (int64_t)value; 155 156 if(event->callback) { 157 event->callback(&e, event->userdata); 158 } 159 160 if(event->observers) { 161 UiObserver *observer = *event->observers; 162 ui_notify_evt(observer, &e); 163 } 164 } 165 166 167 int64_t ui_spinbutton_getint(UiInteger *i) { 168 i->value = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(i->obj)); 169 return i->value; 170 } 171 172 void ui_spinbutton_setint(UiInteger *i, int64_t val) { 173 gtk_spin_button_set_value(GTK_SPIN_BUTTON(i->obj), (double)val); 174 i->value = val; 175 } 176 177 double ui_spinbutton_getdouble(UiDouble *d) { 178 d->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(d->obj)); 179 return d->value; 180 } 181 182 void ui_spinbutton_setdouble(UiDouble *d, double val) { 183 gtk_spin_button_set_value(GTK_SPIN_BUTTON(d->obj), val); 184 d->value = val; 185 } 186 187 double ui_spinbutton_getrangeval(UiRange *r) { 188 r->value = gtk_spin_button_get_value(GTK_SPIN_BUTTON(r->obj)); 189 return r->value; 190 } 191 192 void ui_spinbutton_setrangeval(UiRange *r, double val) { 193 gtk_spin_button_set_value(GTK_SPIN_BUTTON(r->obj), val); 194 r->value = val; 195 } 196 void ui_spinbutton_setrange(UiRange *r, double min, double max) { 197 gtk_spin_button_set_range(GTK_SPIN_BUTTON(r->obj), min, max); 198 r->min = min; 199 r->max = max; 200 } 201 202 void ui_spinbutton_setextent(UiRange *r, double extent) { 203 gtk_spin_button_set_increments(GTK_SPIN_BUTTON(r->obj), extent, extent*10); 204 r->extent = extent; 205 } 206