Root/src/inputdialog.cpp

1/***************************************************************************
2 * Copyright (C) 2006 by Massimiliano Torromeo *
3 * massimiliano.torromeo@gmail.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20
21#include "inputdialog.h"
22
23#include "buttonbox.h"
24#include "delegate.h"
25#include "gmenu2x.h"
26#include "iconbutton.h"
27#include "surface.h"
28#include "utilities.h"
29
30#include <SDL_gfxPrimitives.h>
31
32using namespace std;
33
34#define KEY_WIDTH 20
35#define KEY_HEIGHT 20
36#define KB_TOP 90
37
38static bool utf8Code(unsigned char c)
39{
40    return (c>=194 && c<=198) || c==208 || c==209;
41}
42
43InputDialog::InputDialog(GMenu2X *gmenu2x, InputManager &inputMgr_,
44        Touchscreen &ts_, const string &text,
45        const string &startvalue, const string &title, const string &icon)
46    : Dialog(gmenu2x)
47    , inputMgr(inputMgr_)
48    , ts(ts_)
49{
50    if (title.empty()) {
51        this->title = text;
52        this->text = "";
53    } else {
54        this->title = title;
55        this->text = text;
56    }
57    this->icon = "";
58    if (!icon.empty() && gmenu2x->sc[icon] != NULL) {
59        this->icon = icon;
60    }
61
62    input = startvalue;
63    selCol = 0;
64    selRow = 0;
65    keyboard.resize(7);
66
67    keyboard[0].push_back("abcdefghijklm");
68    keyboard[0].push_back("nopqrstuvwxyz");
69    keyboard[0].push_back("0123456789. ");
70
71    keyboard[1].push_back("ABCDEFGHIJKLM");
72    keyboard[1].push_back("NOPQRSTUVWXYZ");
73    keyboard[1].push_back("_\"'`.,:;!? ");
74
75
76    keyboard[2].push_back("¡¿*+-/\\&<=>|");
77    keyboard[2].push_back("()[]{}@#$%^~");
78    keyboard[2].push_back("_\"'`.,:;!? ");
79
80
81    keyboard[3].push_back("àáèéìíòóùúýäõ");
82    keyboard[3].push_back("ëïöüÿâêîôûåãñ");
83    keyboard[3].push_back("čďěľĺňôřŕšťůž");
84    keyboard[3].push_back("ąćęłńśżź ");
85
86    keyboard[4].push_back("ÀÁÈÉÌÍÒÓÙÚÝÄÕ");
87    keyboard[4].push_back("ËÏÖÜŸÂÊÎÔÛÅÃÑ");
88    keyboard[4].push_back("ČĎĚĽĹŇÔŘŔŠŤŮŽ");
89    keyboard[4].push_back("ĄĆĘŁŃŚŻŹ ");
90
91
92    keyboard[5].push_back("æçабвгдеёжзий ");
93    keyboard[5].push_back("клмнопрстуфхцч");
94    keyboard[5].push_back("шщъыьэюяøðßÐÞþ");
95
96    keyboard[6].push_back("ÆÇАБВГДЕЁЖЗИЙ ");
97    keyboard[6].push_back("КЛМНОПРСТУФХЦЧ");
98    keyboard[6].push_back("ШЩЪЫЬЭЮЯØðßÐÞþ");
99
100    setKeyboard(0);
101
102    buttonbox = new ButtonBox(gmenu2x);
103    IconButton *btnBackspace = new IconButton(gmenu2x, ts,
104            "skin:imgs/buttons/l.png", gmenu2x->tr["Backspace"]);
105    btnBackspace->setAction(BIND(&InputDialog::backspace));
106    buttonbox->add(btnBackspace);
107
108    IconButton *btnSpace = new IconButton(gmenu2x, ts,
109            "skin:imgs/buttons/r.png", gmenu2x->tr["Space"]);
110    btnSpace->setAction(BIND(&InputDialog::space));
111    buttonbox->add(btnSpace);
112
113    IconButton *btnConfirm = new IconButton(gmenu2x, ts,
114            "skin:imgs/buttons/accept.png", gmenu2x->tr["Confirm"]);
115    btnConfirm->setAction(BIND(&InputDialog::confirm));
116    buttonbox->add(btnConfirm);
117
118    IconButton *btnChangeKeys = new IconButton(gmenu2x, ts,
119            "skin:imgs/buttons/cancel.png", gmenu2x->tr["Change keys"]);
120    btnChangeKeys->setAction(BIND(&InputDialog::changeKeys));
121    buttonbox->add(btnChangeKeys);
122}
123
124void InputDialog::setKeyboard(int kb) {
125    kb = constrain(kb, 0, keyboard.size() - 1);
126    curKeyboard = kb;
127    this->kb = &(keyboard[kb]);
128    kbLength = this->kb->at(0).length();
129    for (int x = 0, l = kbLength; x < l; x++) {
130        if (utf8Code(this->kb->at(0)[x])) {
131            kbLength--;
132            x++;
133        }
134    }
135
136    kbLeft = 160 - kbLength * KEY_WIDTH / 2;
137    kbWidth = kbLength * KEY_WIDTH + 3;
138    kbHeight = (this->kb->size() + 1) * KEY_HEIGHT + 3;
139
140    kbRect.x = kbLeft - 3;
141    kbRect.y = KB_TOP - 2;
142    kbRect.w = kbWidth;
143    kbRect.h = kbHeight;
144}
145
146bool InputDialog::exec() {
147    SDL_Rect box = {
148        0, 60, 0, static_cast<Uint16>(gmenu2x->font->getHeight() + 4)
149    };
150
151    Uint32 caretTick = 0, curTick;
152    bool caretOn = true;
153
154    close = false;
155    ok = true;
156    while (!close) {
157        gmenu2x->bg->blit(gmenu2x->s,0,0);
158        writeTitle(title);
159        writeSubTitle(text);
160        drawTitleIcon(icon);
161
162        buttonbox->paint(5);
163
164        box.w = gmenu2x->font->getTextWidth(input) + 18;
165        box.x = 160 - box.w / 2;
166        gmenu2x->s->box(box.x, box.y, box.w, box.h,
167        gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
168        gmenu2x->s->rectangle(box.x, box.y, box.w, box.h,
169                gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
170
171        gmenu2x->s->write(gmenu2x->font, input, box.x + 5, box.y + box.h - 2,
172                Font::HAlignLeft, Font::VAlignBottom);
173
174        curTick = SDL_GetTicks();
175        if (curTick - caretTick >= 600) {
176            caretOn = !caretOn;
177            caretTick = curTick;
178        }
179
180        if (caretOn) {
181            gmenu2x->s->box(box.x + box.w - 12, box.y + 3, 8, box.h - 6,
182                    gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
183        }
184
185        if (ts.available()) ts.poll();
186        drawVirtualKeyboard();
187        gmenu2x->s->flip();
188
189        switch (inputMgr.waitForPressedButton()) {
190            case InputManager::SETTINGS:
191                ok = false;
192                close = true;
193                break;
194            case InputManager::UP:
195                selRow--;
196                break;
197            case InputManager::DOWN:
198                selRow++;
199                if (selRow == (int)kb->size()) selCol = selCol < 8 ? 0 : 1;
200                break;
201            case InputManager::LEFT:
202                selCol--;
203                break;
204            case InputManager::RIGHT:
205                selCol++;
206                break;
207            case InputManager::ACCEPT:
208                confirm();
209                break;
210            case InputManager::CANCEL:
211                changeKeys();
212                break;
213            case InputManager::ALTLEFT:
214                backspace();
215                break;
216            case InputManager::ALTRIGHT:
217                space();
218                break;
219            default:
220                break;
221        }
222    }
223
224    return ok;
225}
226
227void InputDialog::backspace() {
228    // Check for UTF8 characters.
229    input = input.substr(0, input.length()
230        - (utf8Code(input[input.length() - 2]) ? 2 : 1));
231}
232
233void InputDialog::space() {
234    input += " ";
235}
236
237void InputDialog::confirm() {
238    if (selRow == (int)kb->size()) {
239        if (selCol == 0) {
240            ok = false;
241        }
242        close = true;
243    } else {
244        int xc = 0;
245        for (uint x = 0; x < kb->at(selRow).length(); x++) {
246            bool utf8 = utf8Code(kb->at(selRow)[x]);
247            if (xc == selCol) input += kb->at(selRow).substr(x, utf8 ? 2 : 1);
248            if (utf8) x++;
249            xc++;
250        }
251    }
252}
253
254void InputDialog::changeKeys() {
255    if (curKeyboard == 6) {
256        setKeyboard(0);
257    } else {
258        setKeyboard(curKeyboard + 1);
259    }
260}
261
262void InputDialog::drawVirtualKeyboard() {
263    //keyboard border
264    gmenu2x->s->rectangle(kbRect, gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
265
266    if (selCol<0) selCol = selRow==(int)kb->size() ? 1 : kbLength-1;
267    if (selCol>=(int)kbLength) selCol = 0;
268    if (selRow<0) selRow = kb->size()-1;
269    if (selRow>(int)kb->size()) selRow = 0;
270
271    //selection
272    if (selRow<(int)kb->size())
273        gmenu2x->s->box(kbLeft + selCol * KEY_WIDTH - 1,
274                KB_TOP + selRow * KEY_HEIGHT, KEY_WIDTH - 1, KEY_HEIGHT - 2,
275                gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
276    else {
277        if (selCol > 1) selCol = 0;
278        if (selCol < 0) selCol = 1;
279        gmenu2x->s->box(kbLeft + selCol * kbLength * KEY_WIDTH / 2 - 1,
280                KB_TOP + kb->size() * KEY_HEIGHT, kbLength * KEY_WIDTH / 2 - 1,
281                KEY_HEIGHT - 1, gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
282    }
283
284    //keys
285    for (uint l=0; l<kb->size(); l++) {
286        string line = kb->at(l);
287        for (uint x=0, xc=0; x<line.length(); x++) {
288            string charX;
289            //utf8 characters
290            if (utf8Code(line[x])) {
291                charX = line.substr(x,2);
292                x++;
293            } else
294                charX = line[x];
295
296            SDL_Rect re = {
297                static_cast<Sint16>(kbLeft + xc * KEY_WIDTH - 1),
298                static_cast<Sint16>(KB_TOP + l * KEY_HEIGHT),
299                KEY_WIDTH - 1,
300                KEY_HEIGHT - 2
301            };
302
303            //if ts on rect, change selection
304            if (ts.available() && ts.pressed() && ts.inRect(re)) {
305                selCol = xc;
306                selRow = l;
307            }
308
309            gmenu2x->s->rectangle(re,
310                    gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
311            gmenu2x->s->write(gmenu2x->font, charX,
312                    kbLeft + xc * KEY_WIDTH + KEY_WIDTH / 2 - 1,
313                    KB_TOP + l * KEY_HEIGHT + KEY_HEIGHT / 2,
314                    Font::HAlignCenter, Font::VAlignMiddle);
315            xc++;
316        }
317    }
318
319    //Ok/Cancel
320    SDL_Rect re = {
321        static_cast<Sint16>(kbLeft - 1),
322        static_cast<Sint16>(KB_TOP + kb->size() * KEY_HEIGHT),
323        static_cast<Uint16>(kbLength * KEY_WIDTH / 2 - 1),
324        KEY_HEIGHT - 1
325    };
326    gmenu2x->s->rectangle(re, gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
327    if (ts.available() && ts.pressed() && ts.inRect(re)) {
328        selCol = 0;
329        selRow = kb->size();
330    }
331    gmenu2x->s->write(gmenu2x->font, gmenu2x->tr["Cancel"],
332            (int)(160 - kbLength * KEY_WIDTH / 4),
333            KB_TOP + kb->size() * KEY_HEIGHT + KEY_HEIGHT / 2,
334            Font::HAlignCenter, Font::VAlignMiddle);
335
336    re.x = kbLeft + kbLength * KEY_WIDTH / 2 - 1;
337    gmenu2x->s->rectangle(re, gmenu2x->skinConfColors[COLOR_SELECTION_BG]);
338    if (ts.available() && ts.pressed() && ts.inRect(re)) {
339        selCol = 1;
340        selRow = kb->size();
341    }
342    gmenu2x->s->write(gmenu2x->font, gmenu2x->tr["OK"],
343            (int)(160 + kbLength * KEY_WIDTH / 4),
344            KB_TOP + kb->size() * KEY_HEIGHT + KEY_HEIGHT / 2,
345            Font::HAlignCenter, Font::VAlignMiddle);
346}
347

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