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 "display.h" 33 #include "container.h" 34 #include "../common/context.h" 35 #include "../common/object.h" 36 #include "../ui/display.h" 37 38 #include <cx/printf.h> 39 40 static void set_alignment(GtkWidget *widget, float xalign, float yalign) { 41 #if GTK_MAJOR_VERSION >= 4 || (GTK_MAJOR_VERSION >= 3 && GTK_MINOR_VERSION >= 16) 42 gtk_label_set_xalign(GTK_LABEL(widget), xalign); 43 gtk_label_set_yalign(GTK_LABEL(widget), yalign); 44 #else 45 gtk_misc_set_alignment(GTK_MISC(widget), xalign, yalign); 46 #endif 47 } 48 49 UIWIDGET ui_label_create(UiObject *obj, UiLabelArgs args) { 50 UiObject* current = uic_current_obj(obj); 51 52 const char *css_class = NULL; 53 char *markup = NULL; 54 if(args.label) { 55 #if GTK_MAJOR_VERSION < 3 56 switch(args.style) { 57 case UI_LABEL_STYLE_DEFAULT: break; 58 case UI_LABEL_STYLE_TITLE: { 59 cxmutstr m = cx_asprintf("<b>%s</b>", args.label); 60 markup = m.ptr; 61 args.label = NULL; 62 } 63 case UI_LABEL_STYLE_SUBTITLE: { 64 break; 65 } 66 case UI_LABEL_STYLE_DIM: { 67 break; 68 } 69 } 70 # else 71 switch(args.style) { 72 case UI_LABEL_STYLE_DEFAULT: break; 73 case UI_LABEL_STYLE_TITLE: { 74 css_class = "ui_label_title"; 75 break; 76 } 77 case UI_LABEL_STYLE_SUBTITLE: { 78 css_class = "subtitle"; 79 break; 80 } 81 case UI_LABEL_STYLE_DIM: { 82 css_class = "dim-label"; 83 break; 84 } 85 } 86 # endif 87 } 88 89 90 GtkWidget *widget = gtk_label_new(args.label); 91 if(markup) { 92 gtk_label_set_markup(GTK_LABEL(widget), markup); 93 free(markup); 94 } 95 96 if(css_class) { 97 WIDGET_ADD_CSS_CLASS(widget, css_class); 98 } 99 100 switch(args.align) { 101 case UI_ALIGN_DEFAULT: break; 102 case UI_ALIGN_LEFT: set_alignment(widget, 0, .5); break; 103 case UI_ALIGN_RIGHT: set_alignment(widget, 1, .5); break; 104 case UI_ALIGN_CENTER: break; // TODO 105 } 106 107 108 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_STRING); 109 if(var) { 110 UiString* value = (UiString*)var->value; 111 value->obj = widget; 112 value->get = ui_label_get; 113 value->set = ui_label_set; 114 } 115 116 UI_APPLY_LAYOUT1(current, args); 117 current->container->add(current->container, widget, FALSE); 118 119 return widget; 120 } 121 122 UIWIDGET ui_llabel_create(UiObject* obj, UiLabelArgs args) { 123 args.align = UI_ALIGN_LEFT; 124 return ui_label_create(obj, args); 125 } 126 127 UIWIDGET ui_rlabel_create(UiObject* obj, UiLabelArgs args) { 128 args.align = UI_ALIGN_RIGHT; 129 return ui_label_create(obj, args); 130 } 131 132 char* ui_label_get(UiString *s) { 133 if(s->value.ptr) { 134 s->value.free(s->value.ptr); 135 } 136 s->value.ptr = g_strdup(gtk_label_get_text(GTK_LABEL(s->obj))); 137 s->value.free = (ui_freefunc)g_free; 138 return s->value.ptr; 139 } 140 141 void ui_label_set(UiString *s, const char *value) { 142 gtk_label_set_text(GTK_LABEL(s->obj), value); 143 if(s->value.ptr) { 144 s->value.free(s->value.ptr); 145 s->value.ptr = NULL; 146 s->value.free = NULL; 147 } 148 } 149 150 UIWIDGET ui_space_deprecated(UiObject *obj) { 151 GtkWidget *widget = gtk_label_new(""); 152 UiContainer *ct = uic_get_current_container(obj); 153 ct->add(ct, widget, TRUE); 154 155 return widget; 156 } 157 158 UIWIDGET ui_separator_deprecated(UiObject *obj) { 159 #if GTK_MAJOR_VERSION >= 3 160 GtkWidget *widget = gtk_separator_new(GTK_ORIENTATION_HORIZONTAL); 161 #else 162 GtkWidget *widget = gtk_hseparator_new(); 163 #endif 164 UiContainer *ct = uic_get_current_container(obj); 165 ct->add(ct, widget, FALSE); 166 167 return widget; 168 } 169 170 /* ------------------------- progress bar ------------------------- */ 171 172 typedef struct UiProgressBarRange { 173 double min; 174 double max; 175 } UiProgressBarRange; 176 177 UIWIDGET ui_progressbar_create(UiObject *obj, UiProgressbarArgs args) { 178 UiObject* current = uic_current_obj(obj); 179 180 GtkWidget *progressbar = gtk_progress_bar_new(); 181 if(args.max > args.min) { 182 UiProgressBarRange *range = malloc(sizeof(UiProgressBarRange)); 183 range->min = args.min; 184 range->max = args.max; 185 g_signal_connect( 186 progressbar, 187 "destroy", 188 G_CALLBACK(ui_destroy_userdata), 189 range); 190 g_object_set_data(G_OBJECT(progressbar), "ui_range", range); 191 } 192 193 194 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_DOUBLE); 195 if(var && var->value) { 196 UiDouble *value = var->value; 197 value->get = ui_progressbar_get; 198 value->set = ui_progressbar_set; 199 value->obj = progressbar; 200 ui_progressbar_set(value, value->value); 201 } 202 203 UI_APPLY_LAYOUT1(current, args); 204 current->container->add(current->container, progressbar, FALSE); 205 206 return progressbar; 207 } 208 209 double ui_progressbar_get(UiDouble *d) { 210 UiProgressBarRange *range = g_object_get_data(d->obj, "ui_range"); 211 double fraction = gtk_progress_bar_get_fraction(GTK_PROGRESS_BAR(d->obj)); 212 if(range) { 213 fraction = range->min + (range->max - range->min) * fraction; 214 } 215 d->value = fraction; 216 return d->value; 217 } 218 219 void ui_progressbar_set(UiDouble *d, double value) { 220 d->value = value; 221 UiProgressBarRange *range = g_object_get_data(d->obj, "ui_range"); 222 if(range) { 223 value = (value - range->min) / (range->max - range->min); 224 } 225 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(d->obj), value); 226 } 227 228 229 /* ------------------------- progress spinner ------------------------- */ 230 231 UIWIDGET ui_progressspinner_create(UiObject* obj, UiProgressbarSpinnerArgs args) { 232 UiObject* current = uic_current_obj(obj); 233 234 GtkWidget *spinner = gtk_spinner_new(); 235 236 UiVar* var = uic_widget_var(obj->ctx, current->ctx, args.value, args.varname, UI_VAR_INTEGER); 237 if(var && var->value) { 238 UiInteger *value = var->value; 239 value->get = ui_spinner_get; 240 value->set = ui_spinner_set; 241 value->obj = spinner; 242 ui_spinner_set(value, value->value); 243 } 244 245 UI_APPLY_LAYOUT1(current, args); 246 current->container->add(current->container, spinner, FALSE); 247 248 return spinner; 249 } 250 251 int64_t ui_spinner_get(UiInteger *i) { 252 return i->value; 253 } 254 255 void ui_spinner_set(UiInteger *i, int64_t value) { 256 i->value = value; 257 if(i->obj) { 258 GtkSpinner *spinner = GTK_SPINNER(i->obj); 259 if(value != 0) { 260 gtk_spinner_start(spinner); 261 } else { 262 gtk_spinner_stop(spinner); 263 } 264 } 265 } 266