rev |
line source |
nuclear@37
|
1 #include <stdio.h>
|
nuclear@37
|
2 #include <stdlib.h>
|
nuclear@37
|
3 #include <string.h>
|
nuclear@37
|
4 #include <stdarg.h>
|
nuclear@37
|
5 #include <assert.h>
|
nuclear@37
|
6 #include <algorithm>
|
nuclear@37
|
7 #include "opengl.h"
|
nuclear@37
|
8 #include "console.h"
|
nuclear@37
|
9
|
nuclear@37
|
10 Console::Console()
|
nuclear@41
|
11 : prompt("> ")
|
nuclear@37
|
12 {
|
nuclear@37
|
13 visible = false;
|
nuclear@37
|
14 nlines = 16;
|
nuclear@37
|
15 ncolumns = 80;
|
nuclear@37
|
16
|
nuclear@37
|
17 inpq_front = inpq_back = 0;
|
nuclear@37
|
18
|
nuclear@37
|
19 max_hist_lines = 64;
|
nuclear@37
|
20 max_output_lines = 128;
|
nuclear@37
|
21
|
nuclear@37
|
22 echo = true;
|
nuclear@37
|
23 font = 0;
|
nuclear@37
|
24 font_size = 0;
|
nuclear@37
|
25
|
nuclear@37
|
26 cursor = 0;
|
nuclear@41
|
27 input_win = 0;
|
nuclear@41
|
28 }
|
nuclear@41
|
29
|
nuclear@41
|
30 void Console::set_cursor(int x)
|
nuclear@41
|
31 {
|
nuclear@41
|
32 if(x < 0 || x > (int)input.size()) {
|
nuclear@41
|
33 return;
|
nuclear@41
|
34 }
|
nuclear@41
|
35 cursor = x;
|
nuclear@41
|
36
|
nuclear@41
|
37 int max_chars = ncolumns - (int)prompt.size() - 1;
|
nuclear@41
|
38
|
nuclear@41
|
39 if(cursor < input_win) {
|
nuclear@41
|
40 input_win = cursor;
|
nuclear@41
|
41 } else if(cursor > input_win + max_chars) {
|
nuclear@41
|
42 input_win = std::max(cursor - max_chars, 0);
|
nuclear@41
|
43 }
|
nuclear@41
|
44 }
|
nuclear@41
|
45
|
nuclear@41
|
46 int Console::get_cursor() const
|
nuclear@41
|
47 {
|
nuclear@41
|
48 return cursor;
|
nuclear@37
|
49 }
|
nuclear@37
|
50
|
nuclear@37
|
51 void Console::set_font(dtx_font *font, int sz)
|
nuclear@37
|
52 {
|
nuclear@37
|
53 this->font = font;
|
nuclear@37
|
54 font_size = sz;
|
nuclear@37
|
55 }
|
nuclear@37
|
56
|
nuclear@37
|
57 void Console::set_history_size(int hsz)
|
nuclear@37
|
58 {
|
nuclear@37
|
59 max_hist_lines = hsz;
|
nuclear@37
|
60
|
nuclear@37
|
61 int drop = hist.size() - hsz;
|
nuclear@37
|
62 if(drop > 0) {
|
nuclear@37
|
63 auto it = hist.begin();
|
nuclear@37
|
64 for(int i=0; i<drop; i++) {
|
nuclear@37
|
65 ++it;
|
nuclear@37
|
66 }
|
nuclear@37
|
67 hist.erase(hist.begin(), it);
|
nuclear@37
|
68 }
|
nuclear@37
|
69 }
|
nuclear@37
|
70
|
nuclear@37
|
71 void Console::set_output_buffer_size(int sz)
|
nuclear@37
|
72 {
|
nuclear@37
|
73 max_output_lines = sz;
|
nuclear@37
|
74
|
nuclear@37
|
75 int drop = output.size() - sz;
|
nuclear@37
|
76 if(drop > 0) {
|
nuclear@37
|
77 output.erase(output.begin(), output.begin() + drop);
|
nuclear@37
|
78 }
|
nuclear@37
|
79 }
|
nuclear@37
|
80
|
nuclear@37
|
81 void Console::set_command_func(std::function<void (const char*)> func)
|
nuclear@37
|
82 {
|
nuclear@37
|
83 cmd_handler = func;
|
nuclear@37
|
84 }
|
nuclear@37
|
85
|
nuclear@37
|
86 void Console::set_echo(bool echo)
|
nuclear@37
|
87 {
|
nuclear@37
|
88 this->echo = echo;
|
nuclear@37
|
89 }
|
nuclear@37
|
90
|
nuclear@37
|
91 bool Console::get_echo() const
|
nuclear@37
|
92 {
|
nuclear@37
|
93 return echo;
|
nuclear@37
|
94 }
|
nuclear@37
|
95
|
nuclear@37
|
96 void Console::set_visible(bool v)
|
nuclear@37
|
97 {
|
nuclear@37
|
98 visible = v;
|
nuclear@37
|
99 }
|
nuclear@37
|
100
|
nuclear@37
|
101 bool Console::is_visible() const
|
nuclear@37
|
102 {
|
nuclear@37
|
103 return visible;
|
nuclear@37
|
104 }
|
nuclear@37
|
105
|
nuclear@37
|
106 void Console::set_size(int lines, int columns)
|
nuclear@37
|
107 {
|
nuclear@37
|
108 nlines = lines;
|
nuclear@37
|
109 ncolumns = columns;
|
nuclear@37
|
110 }
|
nuclear@37
|
111
|
nuclear@37
|
112 int Console::get_size_lines() const
|
nuclear@37
|
113 {
|
nuclear@37
|
114 return nlines;
|
nuclear@37
|
115 }
|
nuclear@37
|
116
|
nuclear@37
|
117 int Console::get_size_columns() const
|
nuclear@37
|
118 {
|
nuclear@37
|
119 return ncolumns;
|
nuclear@37
|
120 }
|
nuclear@37
|
121
|
nuclear@37
|
122 bool Console::update()
|
nuclear@37
|
123 {
|
nuclear@37
|
124 bool must_redraw = false;
|
nuclear@37
|
125
|
nuclear@37
|
126 while(inpq_front != inpq_back) {
|
nuclear@37
|
127 int c = keybuf[inpq_front];
|
nuclear@37
|
128 inpq_front = (inpq_front + 1) % INPUTQ_SIZE;
|
nuclear@37
|
129
|
nuclear@37
|
130 switch(c) {
|
nuclear@37
|
131 case '\n':
|
nuclear@37
|
132 case '\r':
|
nuclear@37
|
133 if(echo) {
|
nuclear@37
|
134 puts(input.c_str());
|
nuclear@37
|
135 putchar('\n');
|
nuclear@37
|
136 }
|
nuclear@41
|
137 if(!input.empty() && cmd_handler) {
|
nuclear@41
|
138 cmd_handler(input.c_str());
|
nuclear@41
|
139 }
|
nuclear@37
|
140
|
nuclear@37
|
141 hist.push_back(std::move(input)); // move the input string into the history buffer
|
nuclear@37
|
142 if((int)hist.size() > max_hist_lines) {
|
nuclear@37
|
143 hist.pop_front();
|
nuclear@37
|
144 }
|
nuclear@41
|
145 set_cursor(0);
|
nuclear@37
|
146 must_redraw = true;
|
nuclear@37
|
147 break;
|
nuclear@37
|
148
|
nuclear@37
|
149 case '\t':
|
nuclear@37
|
150 // TODO: completion
|
nuclear@37
|
151 break;
|
nuclear@37
|
152
|
nuclear@37
|
153 case '\b':
|
nuclear@37
|
154 if(!input.empty()) {
|
nuclear@37
|
155 if(cursor == (int)input.size()) {
|
nuclear@37
|
156 input.pop_back();
|
nuclear@41
|
157 set_cursor(get_cursor() - 1);
|
nuclear@37
|
158 must_redraw = true;
|
nuclear@37
|
159 } else if(cursor > 0) {
|
nuclear@38
|
160 input.erase(cursor - 1, 1);
|
nuclear@41
|
161 set_cursor(get_cursor() - 1);
|
nuclear@37
|
162 must_redraw = true;
|
nuclear@37
|
163 }
|
nuclear@37
|
164 }
|
nuclear@37
|
165 break;
|
nuclear@37
|
166
|
nuclear@37
|
167 case KEY_LEFT:
|
nuclear@37
|
168 if(cursor > 0) {
|
nuclear@41
|
169 set_cursor(get_cursor() - 1);
|
nuclear@37
|
170 must_redraw = true;
|
nuclear@37
|
171 }
|
nuclear@37
|
172 break;
|
nuclear@37
|
173
|
nuclear@37
|
174 case KEY_RIGHT:
|
nuclear@37
|
175 if(cursor < (int)input.size()) {
|
nuclear@41
|
176 set_cursor(get_cursor() + 1);
|
nuclear@37
|
177 must_redraw = true;
|
nuclear@37
|
178 }
|
nuclear@37
|
179 break;
|
nuclear@37
|
180
|
nuclear@37
|
181 case KEY_HOME:
|
nuclear@41
|
182 set_cursor(0);
|
nuclear@37
|
183 must_redraw = true;
|
nuclear@37
|
184 break;
|
nuclear@37
|
185
|
nuclear@37
|
186 case KEY_END:
|
nuclear@41
|
187 set_cursor(input.size());
|
nuclear@37
|
188 must_redraw = true;
|
nuclear@37
|
189 break;
|
nuclear@37
|
190
|
nuclear@37
|
191 case KEY_PGUP:
|
nuclear@37
|
192 case KEY_PGDOWN:
|
nuclear@37
|
193 // TODO history
|
nuclear@37
|
194 break;
|
nuclear@37
|
195
|
nuclear@37
|
196 default:
|
nuclear@37
|
197 if(c < 256 && isprint(c)) {
|
nuclear@38
|
198 if(cursor == (int)input.size()) {
|
nuclear@38
|
199 input.push_back(c);
|
nuclear@38
|
200 } else {
|
nuclear@38
|
201 input.insert(cursor, 1, c);
|
nuclear@38
|
202 }
|
nuclear@41
|
203 set_cursor(get_cursor() + 1);
|
nuclear@37
|
204 must_redraw = true;
|
nuclear@37
|
205 }
|
nuclear@37
|
206 }
|
nuclear@37
|
207 }
|
nuclear@37
|
208 return must_redraw;
|
nuclear@37
|
209 }
|
nuclear@37
|
210
|
nuclear@37
|
211 void Console::draw() const
|
nuclear@37
|
212 {
|
nuclear@37
|
213 if(!font || !visible) return;
|
nuclear@37
|
214 dtx_use_font(font, font_size);
|
nuclear@37
|
215
|
nuclear@37
|
216 int vp[4];
|
nuclear@37
|
217 glGetIntegerv(GL_VIEWPORT, vp);
|
nuclear@37
|
218
|
nuclear@37
|
219 glMatrixMode(GL_PROJECTION);
|
nuclear@37
|
220 glPushMatrix();
|
nuclear@37
|
221 glLoadIdentity();
|
nuclear@37
|
222 glOrtho(vp[0], vp[0] + vp[2], vp[1], vp[1] + vp[3], -1, 1);
|
nuclear@37
|
223
|
nuclear@37
|
224 glMatrixMode(GL_MODELVIEW);
|
nuclear@37
|
225 glPushMatrix();
|
nuclear@37
|
226 glLoadIdentity();
|
nuclear@41
|
227 glTranslatef(0, vp[3], 0);
|
nuclear@37
|
228
|
nuclear@37
|
229 std::string buflines;
|
nuclear@37
|
230
|
nuclear@37
|
231 int num_lines = std::min(nlines, (int)output.size());
|
nuclear@37
|
232 auto it = output.cbegin() + (output.size() - num_lines);
|
nuclear@37
|
233
|
nuclear@37
|
234 float max_width = dtx_glyph_width('Q') * ncolumns;
|
nuclear@37
|
235
|
nuclear@37
|
236 while(it != output.cend()) {
|
nuclear@37
|
237 const std::string &line = *it++;
|
nuclear@37
|
238 buflines += line + std::string("\n");
|
nuclear@37
|
239
|
nuclear@41
|
240 //max_width = std::max(max_width, dtx_string_width(line.c_str()));
|
nuclear@37
|
241 }
|
nuclear@37
|
242
|
nuclear@37
|
243 // draw the output box
|
nuclear@38
|
244 float line_height = dtx_line_height();
|
nuclear@38
|
245 float outbox_height = nlines * line_height;
|
nuclear@41
|
246 float console_height = outbox_height + line_height * 1.5;
|
nuclear@37
|
247
|
nuclear@37
|
248 glPushAttrib(GL_ENABLE_BIT);
|
nuclear@37
|
249 glEnable(GL_BLEND);
|
nuclear@40
|
250 glDisable(GL_TEXTURE_2D);
|
nuclear@37
|
251 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
nuclear@37
|
252
|
nuclear@41
|
253 glEnable(GL_SCISSOR_TEST);
|
nuclear@41
|
254 glScissor(0, vp[3] - console_height, max_width, console_height);
|
nuclear@41
|
255
|
nuclear@37
|
256 glBegin(GL_QUADS);
|
nuclear@37
|
257 glColor4f(0.1, 0.2, 0.5, 0.7);
|
nuclear@37
|
258 glVertex2f(0, -outbox_height);
|
nuclear@37
|
259 glVertex2f(max_width, -outbox_height);
|
nuclear@37
|
260 glVertex2f(max_width, 0);
|
nuclear@37
|
261 glVertex2f(0, 0);
|
nuclear@37
|
262
|
nuclear@37
|
263 glColor4f(0.5, 0.2, 0.1, 0.7);
|
nuclear@41
|
264 glVertex2f(0, -console_height);
|
nuclear@41
|
265 glVertex2f(max_width, -console_height);
|
nuclear@37
|
266 glVertex2f(max_width, -outbox_height);
|
nuclear@37
|
267 glVertex2f(0, -outbox_height);
|
nuclear@37
|
268 glEnd();
|
nuclear@37
|
269
|
nuclear@37
|
270 // draw the output text
|
nuclear@37
|
271 glPushMatrix();
|
nuclear@38
|
272 glTranslatef(0, -line_height, 0);
|
nuclear@37
|
273 glColor4f(1, 1, 1, 0.7);
|
nuclear@37
|
274 dtx_string(buflines.c_str());
|
nuclear@37
|
275 glPopMatrix();
|
nuclear@37
|
276
|
nuclear@37
|
277 // draw the input line
|
nuclear@38
|
278 glTranslatef(0, -outbox_height - line_height, 0);
|
nuclear@38
|
279
|
nuclear@41
|
280 std::string inpline = prompt + input.substr(input_win);
|
nuclear@38
|
281 dtx_string(inpline.c_str());
|
nuclear@38
|
282 glDisable(GL_TEXTURE_2D);
|
nuclear@38
|
283
|
nuclear@41
|
284 float cursor_x = dtx_char_pos(inpline.c_str(), cursor - input_win + prompt.size());
|
nuclear@38
|
285 glBegin(GL_QUADS);
|
nuclear@38
|
286 glColor4f(1, 1, 1, 0.7);
|
nuclear@40
|
287 glVertex2f(cursor_x, 0);
|
nuclear@40
|
288 glVertex2f(cursor_x + 2, 0);
|
nuclear@38
|
289 glVertex2f(cursor_x + 2, line_height - 2);
|
nuclear@38
|
290 glVertex2f(cursor_x, line_height - 2);
|
nuclear@38
|
291 glEnd();
|
nuclear@37
|
292
|
nuclear@37
|
293 glPopAttrib();
|
nuclear@37
|
294
|
nuclear@37
|
295 glMatrixMode(GL_PROJECTION);
|
nuclear@37
|
296 glPopMatrix();
|
nuclear@37
|
297 glMatrixMode(GL_MODELVIEW);
|
nuclear@37
|
298 glPopMatrix();
|
nuclear@37
|
299 }
|
nuclear@37
|
300
|
nuclear@37
|
301 void Console::input_key(int key)
|
nuclear@37
|
302 {
|
nuclear@37
|
303 keybuf[inpq_back] = key;
|
nuclear@37
|
304 inpq_back = (inpq_back + 1) % INPUTQ_SIZE;
|
nuclear@37
|
305 }
|
nuclear@37
|
306
|
nuclear@37
|
307 void Console::putchar(char c)
|
nuclear@37
|
308 {
|
nuclear@37
|
309 if(output.empty()) {
|
nuclear@37
|
310 output.push_back(std::string(""));
|
nuclear@37
|
311 }
|
nuclear@37
|
312
|
nuclear@37
|
313 if(c == '\n' || c == '\r') {
|
nuclear@37
|
314 output.push_back(std::string(""));
|
nuclear@37
|
315 if((int)output.size() > max_output_lines) {
|
nuclear@37
|
316 output.erase(output.begin());
|
nuclear@37
|
317 }
|
nuclear@37
|
318 } else {
|
nuclear@37
|
319 output.back().push_back(c);
|
nuclear@37
|
320 }
|
nuclear@37
|
321 }
|
nuclear@37
|
322
|
nuclear@37
|
323 void Console::puts(const char *str)
|
nuclear@37
|
324 {
|
nuclear@37
|
325 while(*str) {
|
nuclear@37
|
326 putchar(*str++);
|
nuclear@37
|
327 }
|
nuclear@37
|
328 }
|
nuclear@37
|
329
|
nuclear@37
|
330 void Console::printf(const char *fmt, ...)
|
nuclear@37
|
331 {
|
nuclear@37
|
332 static char buf[1024];
|
nuclear@37
|
333 va_list ap;
|
nuclear@37
|
334
|
nuclear@37
|
335 va_start(ap, fmt);
|
nuclear@37
|
336 vsnprintf(buf, sizeof buf, fmt, ap);
|
nuclear@37
|
337 va_end(ap);
|
nuclear@37
|
338
|
nuclear@37
|
339 puts(buf);
|
nuclear@37
|
340 }
|
nuclear@37
|
341
|
nuclear@37
|
342 void Console::debug()
|
nuclear@37
|
343 {
|
nuclear@37
|
344 fprintf(stderr, "visible: %s\n", visible ? "true" : "false");
|
nuclear@37
|
345 fprintf(stderr, "size: %d lines x %d columns\n", nlines, ncolumns);
|
nuclear@37
|
346 fprintf(stderr, "cursor: %d\n", cursor);
|
nuclear@37
|
347
|
nuclear@37
|
348 int qsize = 0;
|
nuclear@37
|
349 int qidx = inpq_front;
|
nuclear@37
|
350 while(qidx != inpq_back) {
|
nuclear@37
|
351 qsize++;
|
nuclear@37
|
352 qidx = (qidx + 1) % INPUTQ_SIZE;
|
nuclear@37
|
353 }
|
nuclear@37
|
354
|
nuclear@37
|
355 fprintf(stderr, "input queue size: %d\n", qsize);
|
nuclear@37
|
356 fprintf(stderr, "current input line: \"%s\"\n", input.c_str());
|
nuclear@37
|
357 fprintf(stderr, "%d saved inputs in the history (max %d)\n", (int)hist.size(), max_hist_lines);
|
nuclear@37
|
358 auto it = hist.begin();
|
nuclear@37
|
359 int idx = 0;
|
nuclear@37
|
360 while(it != hist.end()) {
|
nuclear@37
|
361 fprintf(stderr, " h(%d): \"%s\"\n", idx++, it++->c_str());
|
nuclear@37
|
362 }
|
nuclear@37
|
363
|
nuclear@37
|
364 fprintf(stderr, "output buffer (lines: %d/%d):\n", (int)output.size(), max_output_lines);
|
nuclear@37
|
365 for(size_t i=0; i<output.size(); i++) {
|
nuclear@37
|
366 fprintf(stderr, "o(%d): \"%s\"\n", (int)i, output[i].c_str());
|
nuclear@37
|
367 }
|
nuclear@37
|
368 }
|