mpv_qt4.cpp

   1 /*
   2
   3     Minimum Profit - Programmer Text Editor
   4
   5     Qt4 driver.
   6
   7     Copyright (C) 2009 Angel Ortega <angel@triptico.com>
   8
   9     This program is free software; you can redistribute it and/or
  10     modify it under the terms of the GNU General Public License
  11     as published by the Free Software Foundation; either version 2
  12     of the License, or (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23     http://www.triptico.com
  24
  25 */
  26
  27 /* override auto-generated definition in config.h */
  28 extern "C" int qt4_drv_detect(int * argc, char *** argv);
  29
  30 #include "config.h"
  31
  32 #include <stdio.h>
  33 #include <wchar.h>
  34 #include <unistd.h>
  35 #include "mpdm.h"
  36 #include "mpsl.h"
  37 #include "mp.h"
  38 #include "mp.xpm"
  39
  40 #include <QtGui>
  41
  42 /** data **/
  43
  44 class MPWindow : public QMainWindow
  45 {
  46         public:
  47                 MPWindow(QWidget *parent = 0);
  48                 bool queryExit(void);
  49                 bool event(QEvent *event);
  50
  51                 QSettings *settings;
  52 };
  53
  54 class MPArea : public QWidget
  55 {
  56         Q_OBJECT
  57
  58         public:
  59                 MPArea(QWidget *parent = 0);
  60                 void inputMethodEvent(QInputMethodEvent *event);
  61                 void keyPressEvent(QKeyEvent *event);
  62                 void keyReleaseEvent(QKeyEvent *event);
  63                 void mousePressEvent(QMouseEvent *event);
  64                 void mouseReleaseEvent(QMouseEvent *event);
  65                 void mouseMoveEvent(QMouseEvent *event);
  66                 void wheelEvent(QWheelEvent *event);
  67                 void dragEnterEvent(QDragEnterEvent *event);
  68                 void dropEvent(QDropEvent *event);
  69                 bool event(QEvent *event);
  70
  71         protected:
  72                 void paintEvent(QPaintEvent *event);
  73
  74         public slots:
  75                 void from_scrollbar(int);
  76                 void from_filetabs(int);
  77                 void from_menu(QAction *);
  78 };
  79
  80 /* global data */
  81 QApplication *app;
  82 MPWindow *window;
  83 QMenuBar *menubar;
  84 //QStatusBar *statusbar;
  85 QLabel *statusbar;
  86 QTabBar *file_tabs;
  87
  88 #define MENU_CLASS QMenu
  89
  90 #include "mpv_qk_common.cpp"
  91
  92 static void draw_status(void)
  93 {
  94         statusbar->setText(str_to_qstring(mp_build_status_line()));
  95 }
  96
  97
  98 /** MPWindow methods **/
  99
 100 MPWindow::MPWindow(QWidget *parent) : QMainWindow(parent)
 101 {
 102         setWindowTitle("mp-5");
 103
 104         menubar = this->menuBar();
 105         build_menu();
 106
 107         statusbar = new QLabel();
 108         this->statusBar()->addWidget(statusbar);
 109
 110         /* the full container */
 111         QVBoxLayout *vb = new QVBoxLayout();
 112
 113         file_tabs = new QTabBar();
 114         file_tabs->setFocusPolicy(Qt::NoFocus);
 115
 116         QHBoxLayout *hb = new QHBoxLayout();
 117
 118         /* main area */
 119         area = new MPArea();
 120         scrollbar = new QScrollBar();
 121         scrollbar->setFocusPolicy(Qt::NoFocus);
 122
 123         hb->addWidget(area);
 124         hb->addWidget(scrollbar);
 125         QWidget *cc = new QWidget();
 126         cc->setLayout(hb);
 127
 128         vb->addWidget(file_tabs);
 129         vb->addWidget(cc);
 130         QWidget *mc = new QWidget();
 131         mc->setLayout(vb);
 132
 133         setCentralWidget(mc);
 134
 135         connect(scrollbar, SIGNAL(valueChanged(int)),
 136                 area, SLOT(from_scrollbar(int)));
 137
 138         connect(file_tabs, SIGNAL(currentChanged(int)),
 139                 area, SLOT(from_filetabs(int)));
 140
 141         connect(menubar, SIGNAL(triggered(QAction *)),
 142                 area, SLOT(from_menu(QAction *)));
 143
 144         this->setWindowIcon(QIcon(QPixmap(mp_xpm)));
 145
 146         settings = new QSettings("triptico.com", "MinimumProfit");
 147
 148         QPoint pos = settings->value("pos", QPoint(20, 20)).toPoint();
 149         QSize size = settings->value("size", QSize(600, 400)).toSize();
 150
 151         move(pos);
 152         resize(size);
 153 }
 154
 155
 156 static void save_settings(MPWindow *w)
 157 {
 158         w->settings->setValue("pos", w->pos());
 159         w->settings->setValue("size", w->size());
 160         w->settings->sync();
 161 }
 162
 163
 164 bool MPWindow::queryExit(void)
 165 {
 166         mp_process_event(MPDM_LS(L"close-window"));
 167
 168         save_settings(this);
 169
 170         return mp_exit_requested ? true : false;
 171 }
 172
 173
 174 bool MPWindow::event(QEvent *event)
 175 {
 176         /* do the processing */
 177         bool r = QWidget::event(event);
 178
 179         if (mp_exit_requested) {
 180                 save_settings(this);
 181                 exit(0);
 182         }
 183
 184         return r;
 185 }
 186
 187
 188 /** driver functions **/
 189
 190 static mpdm_t qt4_drv_alert(mpdm_t a)
 191 {
 192         /* 1# arg: prompt */
 193         QMessageBox::information(0, "mp " VERSION, str_to_qstring(mpdm_aget(a, 0)));
 194
 195         return NULL;
 196 }
 197
 198
 199 static mpdm_t qt4_drv_confirm(mpdm_t a)
 200 {
 201         int r;
 202
 203         /* 1# arg: prompt */
 204         r = QMessageBox::question(0, "mp" VERSION,
 205                 str_to_qstring(mpdm_aget(a, 0)),
 206                 QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel
 207         );
 208
 209         switch (r) {
 210         case QMessageBox::Yes:
 211                 r = 1;
 212                 break;
 213
 214         case QMessageBox::No:
 215                 r = 2;
 216                 break;
 217
 218         case QMessageBox::Cancel:
 219                 r = 0;
 220                 break;
 221         }
 222
 223         return MPDM_I(r);
 224 }
 225
 226
 227 static mpdm_t qt4_drv_openfile(mpdm_t a)
 228 {
 229         QString r;
 230         char tmp[128];
 231
 232         getcwd(tmp, sizeof(tmp));
 233
 234         /* 1# arg: prompt */
 235         r = QFileDialog::getOpenFileName(window,
 236                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 237
 238         return qstring_to_str(r);
 239 }
 240
 241
 242 static mpdm_t qt4_drv_savefile(mpdm_t a)
 243 {
 244         QString r;
 245         char tmp[128];
 246
 247         getcwd(tmp, sizeof(tmp));
 248
 249         /* 1# arg: prompt */
 250         r = QFileDialog::getSaveFileName(window,
 251                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 252
 253         return qstring_to_str(r);
 254 }
 255
 256
 257 class MPForm : public QDialog
 258 {
 259 public:
 260         QDialogButtonBox *button_box;
 261
 262         MPForm(QWidget *parent = 0) : QDialog(parent)
 263         {
 264                 button_box = new QDialogButtonBox(QDialogButtonBox::Ok |
 265                                                         QDialogButtonBox::Cancel);
 266
 267                 connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
 268                 connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
 269         }
 270 };
 271
 272
 273 static mpdm_t qt4_drv_form(mpdm_t a)
 274 {
 275         int n;
 276         mpdm_t widget_list;
 277         QWidget *qlist[100];
 278         mpdm_t r;
 279
 280         MPForm *dialog = new MPForm(window);
 281         dialog->setWindowTitle("mp " VERSION);
 282
 283         dialog->setModal(true);
 284
 285         widget_list = mpdm_aget(a, 0);
 286
 287         QWidget *form = new QWidget();
 288         QFormLayout *fl = new QFormLayout();
 289
 290         for (n = 0; n < mpdm_size(widget_list); n++) {
 291                 mpdm_t w = mpdm_aget(widget_list, n);
 292                 wchar_t *type;
 293                 mpdm_t t;
 294                 QLabel *ql = new QLabel("");
 295
 296                 type = mpdm_string(mpdm_hget_s(w, L"type"));
 297
 298                 if ((t = mpdm_hget_s(w, L"label")) != NULL) {
 299                         ql->setText(str_to_qstring(mpdm_gettext(t)));
 300                 }
 301
 302                 t = mpdm_hget_s(w, L"value");
 303
 304                 if (wcscmp(type, L"text") == 0) {
 305                         mpdm_t h;
 306                         QComboBox *qc = new QComboBox();
 307
 308                         qc->setEditable(true);
 309                         qc->setMinimumContentsLength(30);
 310                         qc->setMaxVisibleItems(8);
 311
 312                         if (t != NULL)
 313                                 qc->setEditText(str_to_qstring(t));
 314
 315                         qlist[n] = qc;
 316
 317                         if ((h = mpdm_hget_s(w, L"history")) != NULL) {
 318                                 int i;
 319
 320                                 /* has history; fill it */
 321                                 h = mp_get_history(h);
 322
 323                                 for (i = mpdm_size(h) - 1; i >= 0; i--)
 324                                         qc->addItem(str_to_qstring(mpdm_aget(h, i)));
 325                         }
 326
 327                         fl->addRow(ql, qc);
 328                 }
 329                 else
 330                 if (wcscmp(type, L"password") == 0) {
 331                         QLineEdit *qe = new QLineEdit();
 332
 333                         qe->setEchoMode(QLineEdit::Password);
 334
 335                         qlist[n] = qe;
 336
 337                         fl->addRow(ql, qe);
 338                 }
 339                 else
 340                 if (wcscmp(type, L"checkbox") == 0) {
 341                         QCheckBox *qc = new QCheckBox();
 342
 343                         if (mpdm_ival(t))
 344                                 qc->setCheckState(Qt::Checked);
 345
 346                         qlist[n] = qc;
 347
 348                         fl->addRow(ql, qc);
 349                 }
 350                 else
 351                 if (wcscmp(type, L"list") == 0) {
 352                         int i;
 353                         QListWidget *qlw = new QListWidget();
 354                         qlw->setMinimumWidth(480);
 355
 356                         /* use a monospaced font */
 357                         qlw->setFont(QFont(QString("Mono")));
 358
 359                         mpdm_t l = mpdm_hget_s(w, L"list");
 360
 361                         for (i = 0; i < mpdm_size(l); i++)
 362                                 qlw->addItem(str_to_qstring(mpdm_aget(l, i)));
 363
 364                         qlw->setCurrentRow(mpdm_ival(t));
 365
 366                         qlist[n] = qlw;
 367
 368                         fl->addRow(ql, qlw);
 369                 }
 370
 371                 if (n == 0)
 372                         qlist[n]->setFocus(Qt::OtherFocusReason);
 373         }
 374
 375         form->setLayout(fl);
 376
 377         QVBoxLayout *ml = new QVBoxLayout();
 378         ml->addWidget(form);
 379         ml->addWidget(dialog->button_box);
 380
 381         dialog->setLayout(ml);
 382
 383         n = dialog->exec();
 384
 385         if (!n)
 386                 return NULL;
 387
 388         r = MPDM_A(mpdm_size(widget_list));
 389
 390         /* fill the return values */
 391         for (n = 0; n < mpdm_size(widget_list); n++) {
 392                 mpdm_t w = mpdm_aget(widget_list, n);
 393                 mpdm_t v = NULL;
 394                 wchar_t *type;
 395
 396                 type = mpdm_string(mpdm_hget_s(w, L"type"));
 397
 398                 if (wcscmp(type, L"text") == 0) {
 399                         mpdm_t h;
 400                         QComboBox *ql = (QComboBox *)qlist[n];
 401
 402                         v = qstring_to_str(ql->currentText());
 403
 404                         /* if it has history, add to it */
 405                         if ((h = mpdm_hget_s(w, L"history")) != NULL &&
 406                                 v != NULL && mpdm_cmp(v, MPDM_LS(L"")) != 0) {
 407                                 h = mp_get_history(h);
 408
 409                                 if (mpdm_cmp(v, mpdm_aget(h, -1)) != 0)
 410                                         mpdm_push(h, v);
 411                         }
 412                 }
 413                 else
 414                 if (wcscmp(type, L"password") == 0) {
 415                         QLineEdit *ql = (QLineEdit *)qlist[n];
 416
 417                         v = qstring_to_str(ql->text());
 418                 }
 419                 else
 420                 if (wcscmp(type, L"checkbox") == 0) {
 421                         QCheckBox *qb = (QCheckBox *)qlist[n];
 422
 423                         v = MPDM_I(qb->checkState() == Qt::Checked);
 424                 }
 425                 else
 426                 if (wcscmp(type, L"list") == 0) {
 427                         QListWidget *ql = (QListWidget *)qlist[n];
 428
 429                         v = MPDM_I(ql->currentRow());
 430                 }
 431
 432                 mpdm_aset(r, v, n);
 433         }
 434
 435         return r;
 436 }
 437
 438
 439 static void register_functions(void)
 440 {
 441         mpdm_t drv;
 442
 443         drv = mpdm_hget_s(mp, L"drv");
 444         mpdm_hset_s(drv, L"main_loop", MPDM_X(qt4_drv_main_loop));
 445         mpdm_hset_s(drv, L"shutdown", MPDM_X(qt4_drv_shutdown));
 446
 447         mpdm_hset_s(drv, L"clip_to_sys", MPDM_X(qt4_drv_clip_to_sys));
 448         mpdm_hset_s(drv, L"sys_to_clip", MPDM_X(qt4_drv_sys_to_clip));
 449         mpdm_hset_s(drv, L"update_ui", MPDM_X(qt4_drv_update_ui));
 450 /*      mpdm_hset_s(drv, L"timer", MPDM_X(qt4_drv_timer));*/
 451         mpdm_hset_s(drv, L"busy", MPDM_X(qt4_drv_busy));
 452
 453         mpdm_hset_s(drv, L"alert", MPDM_X(qt4_drv_alert));
 454         mpdm_hset_s(drv, L"confirm", MPDM_X(qt4_drv_confirm));
 455         mpdm_hset_s(drv, L"openfile", MPDM_X(qt4_drv_openfile));
 456         mpdm_hset_s(drv, L"savefile", MPDM_X(qt4_drv_savefile));
 457         mpdm_hset_s(drv, L"form", MPDM_X(qt4_drv_form));
 458 }
 459
 460
 461 static mpdm_t qt4_drv_startup(mpdm_t a)
 462 /* driver initialization */
 463 {
 464         register_functions();
 465
 466         build_font(1);
 467         build_colors();
 468
 469         window = new MPWindow();
 470         window->show();
 471
 472         return NULL;
 473 }
 474
 475 extern "C" Display *XOpenDisplay(char *);
 476
 477 extern "C" int qt4_drv_detect(int * argc, char *** argv)
 478 {
 479         mpdm_t drv;
 480         Display *x11_display;
 481
 482         /* try connecting directly to the Xserver */
 483         if ((x11_display = XOpenDisplay((char *)NULL)) == NULL)
 484                 return 0;
 485
 486         /* this is where it crashes if no X server */
 487         app = new QApplication(x11_display);
 488
 489         drv = mpdm_hget_s(mp, L"drv");
 490         mpdm_hset_s(drv, L"id", MPDM_LS(L"qt4"));
 491         mpdm_hset_s(drv, L"startup", MPDM_X(qt4_drv_startup));
 492
 493         return 1;
 494 }
 495
 496 #include "mpv_qt4.moc"