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comparison nuklear_ui/blastem_nuklear.c @ 1491:e890971f3757 nuklear_ui

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Somewhat fleshed out video settings view
author Michael Pavone <pavone@retrodev.com>
date Fri, 01 Dec 2017 09:22:43 -0800
parents 919c0c33885e
children bdeb2a1d0385
comparison
equal deleted inserted replaced
1490:919c0c33885e 1491:e890971f3757
14 14
15 static struct nk_context *context; 15 static struct nk_context *context;
16 16
17 typedef void (*view_fun)(struct nk_context *); 17 typedef void (*view_fun)(struct nk_context *);
18 static view_fun current_view; 18 static view_fun current_view;
19 static view_fun previous_view; 19 static view_fun *previous_views;
20 static uint32_t view_storage;
21 static uint32_t num_prev;
22
23 static void push_view(view_fun new_view)
24 {
25 if (num_prev == view_storage) {
26 view_storage = view_storage ? 2*view_storage : 2;
27 previous_views = realloc(previous_views, view_storage*sizeof(view_fun));
28 }
29 previous_views[num_prev++] = current_view;
30 current_view = new_view;
31 }
32
33 static void pop_view()
34 {
35 if (num_prev) {
36 current_view = previous_views[--num_prev];
37 }
38 }
39
40 static void clear_view_stack()
41 {
42 num_prev = 0;
43 }
20 44
21 void view_play(struct nk_context *context) 45 void view_play(struct nk_context *context)
22 { 46 {
23 47
24 } 48 }
67 } 91 }
68 nk_group_end(context); 92 nk_group_end(context);
69 } 93 }
70 nk_layout_row_static(context, 52, width > 600 ? 300 : width / 2, 2); 94 nk_layout_row_static(context, 52, width > 600 ? 300 : width / 2, 2);
71 if (nk_button_label(context, "Back")) { 95 if (nk_button_label(context, "Back")) {
72 current_view = previous_view; 96 pop_view();
73 } 97 }
74 if (nk_button_label(context, "Open")) { 98 if (nk_button_label(context, "Open")) {
75 char *full_path = path_append(current_path, entries[selected_entry].name); 99 char *full_path = path_append(current_path, entries[selected_entry].name);
76 if (entries[selected_entry].is_dir) { 100 if (entries[selected_entry].is_dir) {
77 free(current_path); 101 free(current_path);
89 } 113 }
90 } else { 114 } else {
91 lockon_media(full_path); 115 lockon_media(full_path);
92 free(full_path); 116 free(full_path);
93 } 117 }
118 clear_view_stack();
94 current_view = view_play; 119 current_view = view_play;
95 } 120 }
96 } 121 }
97 nk_end(context); 122 nk_end(context);
98 } 123 }
141 } 166 }
142 nk_group_end(context); 167 nk_group_end(context);
143 } 168 }
144 nk_layout_row_static(context, 52, width > 600 ? 300 : width / 2, 2); 169 nk_layout_row_static(context, 52, width > 600 ? 300 : width / 2, 2);
145 if (nk_button_label(context, "Back")) { 170 if (nk_button_label(context, "Back")) {
146 current_view = previous_view; 171 pop_view();
147 } 172 }
148 if (is_load) { 173 if (is_load) {
149 if (nk_button_label(context, "Load")) { 174 if (nk_button_label(context, "Load")) {
150 current_system->load_state(current_system, selected_slot); 175 current_system->load_state(current_system, selected_slot);
151 current_view = view_play; 176 current_view = view_play;
185 nk_layout_space_begin(context, NK_STATIC, top + button_height * num_entries, num_entries); 210 nk_layout_space_begin(context, NK_STATIC, top + button_height * num_entries, num_entries);
186 for (uint32_t i = 0; i < num_entries; i++) 211 for (uint32_t i = 0; i < num_entries; i++)
187 { 212 {
188 nk_layout_space_push(context, nk_rect(left, top + i * button_height, button_width, button_height-button_space)); 213 nk_layout_space_push(context, nk_rect(left, top + i * button_height, button_width, button_height-button_space));
189 if (nk_button_label(context, items[i].title)) { 214 if (nk_button_label(context, items[i].title)) {
190 previous_view = current_view; 215 push_view(items[i].next_view);
191 current_view = items[i].next_view;
192 if (!current_view) { 216 if (!current_view) {
193 exit(0); 217 exit(0);
194 } 218 }
195 if (current_view == view_save_state || current_view == view_load_state) { 219 if (current_view == view_save_state || current_view == view_load_state) {
196 free_slot_info(slots); 220 free_slot_info(slots);
207 } 231 }
208 void view_controllers(struct nk_context *context) 232 void view_controllers(struct nk_context *context)
209 { 233 {
210 234
211 } 235 }
236
237 void settings_toggle(struct nk_context *context, char *label, char *path, uint8_t def)
238 {
239 uint8_t curval = !strcmp("on", tern_find_path_default(config, path, (tern_val){.ptrval = def ? "on": "off"}, TVAL_PTR).ptrval);
240 nk_label(context, label, NK_TEXT_LEFT);
241 uint8_t newval = nk_check_label(context, "", curval);
242 if (newval != curval) {
243 config = tern_insert_path(config, path, (tern_val){.ptrval = strdup(newval ? "on" : "off")}, TVAL_PTR);
244 }
245 }
246
247 void settings_int_input(struct nk_context *context, char *label, char *path, char *def)
248 {
249 char buffer[12];
250 nk_label(context, label, NK_TEXT_LEFT);
251 uint32_t curval;
252 char *curstr = tern_find_path_default(config, path, (tern_val){.ptrval = def}, TVAL_PTR).ptrval;
253 uint32_t len = strlen(curstr);
254 if (len > 11) {
255 len = 11;
256 }
257 memcpy(buffer, curstr, len);
258 nk_edit_string(context, NK_EDIT_SIMPLE, buffer, &len, sizeof(buffer)-1, nk_filter_decimal);
259 buffer[len] = 0;
260 if (strcmp(buffer, curstr)) {
261 config = tern_insert_path(config, path, (tern_val){.ptrval = strdup(buffer)}, TVAL_PTR);
262 }
263 }
264
265 void settings_int_property(struct nk_context *context, char *label, char *name, char *path, int def, int min, int max)
266 {
267 char *curstr = tern_find_path(config, path, TVAL_PTR).ptrval;
268 int curval = curstr ? atoi(curstr) : def;
269 nk_label(context, label, NK_TEXT_LEFT);
270 int val = curval;
271 nk_property_int(context, name, min, &val, max, 1, 1.0f);
272 if (val != curval) {
273 char buffer[12];
274 sprintf(buffer, "%d", val);
275 config = tern_insert_path(config, path, (tern_val){.ptrval = strdup(buffer)}, TVAL_PTR);
276 }
277 }
278
212 void view_video_settings(struct nk_context *context) 279 void view_video_settings(struct nk_context *context)
213 { 280 {
214 281 uint32_t width = render_width();
282 uint32_t height = render_height();
283 if (nk_begin(context, "Video Settings", nk_rect(0, 0, width, height), 0)) {
284 nk_layout_row_static(context, 30, width > 300 ? 300 : width, 2);
285 settings_toggle(context, "Fullscreen", "video\0fullscreen\0", 0);
286 settings_toggle(context, "Open GL", "video\0gl\0", 1);
287 settings_toggle(context, "Scanlines", "video\0scanlines\0", 0);
288 settings_int_input(context, "Windowed Width", "video\0width\0", "640");
289 settings_int_property(context, "NTSC Overscan", "Top", "video\0ntsc\0overscan\0top\0", 2, 0, 32);
290 settings_int_property(context, "", "Bottom", "video\0ntsc\0overscan\0bottom\0", 17, 0, 32);
291 settings_int_property(context, "", "Left", "video\0ntsc\0overscan\0left\0", 13, 0, 32);
292 settings_int_property(context, "", "Right", "video\0ntsc\0overscan\0right\0", 14, 0, 32);
293 settings_int_property(context, "PAL Overscan", "Top", "video\0pal\0overscan\0top\0", 2, 0, 32);
294 settings_int_property(context, "", "Bottom", "video\0pal\0overscan\0bottom\0", 17, 0, 32);
295 settings_int_property(context, "", "Left", "video\0pal\0overscan\0left\0", 13, 0, 32);
296 settings_int_property(context, "", "Right", "video\0pal\0overscan\0right\0", 14, 0, 32);
297 if (nk_button_label(context, "Back")) {
298 pop_view();
299 }
300 nk_end(context);
301 }
215 } 302 }
216 void view_audio_settings(struct nk_context *context) 303 void view_audio_settings(struct nk_context *context)
217 { 304 {
218 305
219 } 306 }
220 void view_system_settings(struct nk_context *context) 307 void view_system_settings(struct nk_context *context)
221 { 308 {
222 309
310 }
311
312 void view_back(struct nk_context *context)
313 {
314 pop_view();
315 pop_view();
316 current_view(context);
223 } 317 }
224 318
225 void view_settings(struct nk_context *context) 319 void view_settings(struct nk_context *context)
226 { 320 {
227 static menu_item items[] = { 321 static menu_item items[] = {
228 {"Key Bindings", view_key_bindings}, 322 {"Key Bindings", view_key_bindings},
229 {"Controllers", view_controllers}, 323 {"Controllers", view_controllers},
230 {"Video", view_video_settings}, 324 {"Video", view_video_settings},
231 {"Audio", view_audio_settings}, 325 {"Audio", view_audio_settings},
232 {"System", view_system_settings}, 326 {"System", view_system_settings},
233 {"Back", NULL} 327 {"Back", view_back}
234 }; 328 };
235 329
236 const uint32_t num_buttons = 6; 330 const uint32_t num_buttons = 6;
237 items[num_buttons-1].next_view = previous_view;
238 if (nk_begin(context, "Settings Menu", nk_rect(0, 0, render_width(), render_height()), 0)) { 331 if (nk_begin(context, "Settings Menu", nk_rect(0, 0, render_width(), render_height()), 0)) {
239 menu(context, sizeof(items)/sizeof(*items), items); 332 menu(context, sizeof(items)/sizeof(*items), items);
240 nk_end(context); 333 nk_end(context);
241 } 334 }
242 } 335 }