mpv_qt4.cpp

   1 /*
   2
   3     Minimum Profit - Programmer Text Editor
   4
   5     Qt4 driver.
   6
   7     Copyright (C) 2009/2010 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     QTimer *timer;
  72
  73 protected:
  74     void paintEvent(QPaintEvent * event);
  75
  76     public slots: void from_scrollbar(int);
  77     void from_filetabs(int);
  78     void from_menu(QAction *);
  79     void from_timer(void);
  80 };
  81
  82 /* global data */
  83 QApplication *app;
  84 MPWindow *window;
  85 QMenuBar *menubar;
  86 //QStatusBar *statusbar;
  87 QLabel *statusbar;
  88 QTabBar *file_tabs;
  89
  90 #define MENU_CLASS QMenu
  91
  92 #include "mpv_qk_common.cpp"
  93
  94 static void draw_status(void)
  95 {
  96     statusbar->setText(str_to_qstring(mp_build_status_line()));
  97 }
  98
  99
 100 /** MPWindow methods **/
 101
 102 MPWindow::MPWindow(QWidget * parent):QMainWindow(parent)
 103 {
 104     QVBoxLayout *vb;
 105     QHBoxLayout *hb;
 106     int height;
 107
 108     setWindowTitle("mp " VERSION);
 109
 110     menubar = this->menuBar();
 111     build_menu();
 112
 113     /* pick an optimal height for the menu & tabs */
 114     height = menubar->sizeHint().height();
 115
 116     file_tabs = new QTabBar();
 117     file_tabs->setFocusPolicy(Qt::NoFocus);
 118
 119     /* top area */
 120     hb = new QHBoxLayout();
 121     hb->setContentsMargins(0, 0, 0, 0);
 122
 123     hb->addWidget(menubar);
 124     hb->addWidget(file_tabs);
 125     QWidget *ta = new QWidget();
 126     ta->setLayout(hb);
 127     ta->setMaximumHeight(height);
 128
 129     /* main area */
 130     hb = new QHBoxLayout();
 131     hb->setContentsMargins(0, 0, 0, 0);
 132
 133     area = new MPArea();
 134     scrollbar = new QScrollBar();
 135     scrollbar->setFocusPolicy(Qt::NoFocus);
 136
 137     hb->addWidget(area);
 138     hb->addWidget(scrollbar);
 139     QWidget *cc = new QWidget();
 140     cc->setLayout(hb);
 141
 142     /* the full container */
 143     vb = new QVBoxLayout();
 144
 145     vb->addWidget(ta);
 146     vb->addWidget(cc);
 147
 148     QWidget *mc = new QWidget();
 149     mc->setLayout(vb);
 150
 151     statusbar = new QLabel();
 152     this->statusBar()->addWidget(statusbar);
 153
 154     setCentralWidget(mc);
 155
 156     connect(scrollbar, SIGNAL(valueChanged(int)),
 157             area, SLOT(from_scrollbar(int)));
 158
 159     connect(file_tabs, SIGNAL(currentChanged(int)),
 160             area, SLOT(from_filetabs(int)));
 161
 162     connect(menubar, SIGNAL(triggered(QAction *)),
 163             area, SLOT(from_menu(QAction *)));
 164
 165     this->setWindowIcon(QIcon(QPixmap(mp_xpm)));
 166
 167     settings = new QSettings("triptico.com", "MinimumProfit");
 168
 169     QPoint pos = settings->value("pos", QPoint(20, 20)).toPoint();
 170     QSize size = settings->value("size", QSize(600, 400)).toSize();
 171
 172     move(pos);
 173     resize(size);
 174 }
 175
 176
 177 static void save_settings(MPWindow * w)
 178 {
 179     w->settings->setValue("pos", w->pos());
 180     w->settings->setValue("size", w->size());
 181     w->settings->sync();
 182 }
 183
 184
 185 bool MPWindow::queryExit(void)
 186 {
 187     mp_process_event(MPDM_LS(L"close-window"));
 188
 189     save_settings(this);
 190
 191     return mp_exit_requested ? true : false;
 192 }
 193
 194
 195 bool MPWindow::event(QEvent * event)
 196 {
 197     /* do the processing */
 198     bool r = QWidget::event(event);
 199
 200     if (mp_exit_requested) {
 201         save_settings(this);
 202         qt4_drv_shutdown(NULL, NULL);
 203         QApplication::exit(0);
 204     }
 205
 206     return r;
 207 }
 208
 209
 210 /** driver functions **/
 211
 212 static mpdm_t qt4_drv_alert(mpdm_t a, mpdm_t ctxt)
 213 {
 214     /* 1# arg: prompt */
 215     QMessageBox::information(window, "mp " VERSION,
 216                              str_to_qstring(mpdm_aget(a, 0)));
 217
 218     return NULL;
 219 }
 220
 221
 222 static mpdm_t qt4_drv_confirm(mpdm_t a, mpdm_t ctxt)
 223 {
 224     int r;
 225
 226     /* 1# arg: prompt */
 227     r = QMessageBox::question(window, "mp" VERSION,
 228                               str_to_qstring(mpdm_aget(a, 0)),
 229                               QMessageBox::Yes | QMessageBox::
 230                               No | QMessageBox::Cancel);
 231
 232     switch (r) {
 233     case QMessageBox::Yes:
 234         r = 1;
 235         break;
 236
 237     case QMessageBox::No:
 238         r = 2;
 239         break;
 240
 241     case QMessageBox::Cancel:
 242         r = 0;
 243         break;
 244     }
 245
 246     return MPDM_I(r);
 247 }
 248
 249
 250 static mpdm_t qt4_drv_openfile(mpdm_t a, mpdm_t ctxt)
 251 {
 252     QString r;
 253     char tmp[128];
 254
 255     getcwd(tmp, sizeof(tmp));
 256
 257     /* 1# arg: prompt */
 258     r = QFileDialog::getOpenFileName(window,
 259                                      str_to_qstring(mpdm_aget(a, 0)), tmp);
 260
 261     return qstring_to_str(r);
 262 }
 263
 264
 265 static mpdm_t qt4_drv_savefile(mpdm_t a, mpdm_t ctxt)
 266 {
 267     QString r;
 268     char tmp[128];
 269
 270     getcwd(tmp, sizeof(tmp));
 271
 272     /* 1# arg: prompt */
 273     r = QFileDialog::getSaveFileName(window,
 274                                      str_to_qstring(mpdm_aget(a, 0)), tmp);
 275
 276     return qstring_to_str(r);
 277 }
 278
 279
 280 class MPForm : public QDialog
 281 {
 282 public:
 283     QDialogButtonBox * button_box;
 284
 285     MPForm(QWidget * parent = 0) : QDialog(parent)
 286     {
 287         button_box = new QDialogButtonBox(QDialogButtonBox::Ok |
 288                                           QDialogButtonBox::Cancel);
 289
 290         connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
 291         connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
 292     }
 293 };
 294
 295
 296 static mpdm_t qt4_drv_form(mpdm_t a, mpdm_t ctxt)
 297 {
 298     int n;
 299     mpdm_t widget_list;
 300     QWidget *qlist[100];
 301     mpdm_t r;
 302
 303     MPForm *dialog = new MPForm(window);
 304     dialog->setWindowTitle("mp " VERSION);
 305
 306     dialog->setModal(true);
 307
 308     widget_list = mpdm_aget(a, 0);
 309
 310     QWidget *form = new QWidget();
 311     QFormLayout *fl = new QFormLayout();
 312
 313     for (n = 0; n < mpdm_size(widget_list); n++) {
 314         mpdm_t w = mpdm_aget(widget_list, n);
 315         wchar_t *type;
 316         mpdm_t t;
 317         QLabel *ql = new QLabel("");
 318
 319         type = mpdm_string(mpdm_hget_s(w, L"type"));
 320
 321         if ((t = mpdm_hget_s(w, L"label")) != NULL) {
 322             ql->setText(str_to_qstring(mpdm_gettext(t)));
 323         }
 324
 325         t = mpdm_hget_s(w, L"value");
 326
 327         if (wcscmp(type, L"text") == 0) {
 328             mpdm_t h;
 329             QComboBox *qc = new QComboBox();
 330
 331             qc->setEditable(true);
 332             qc->setMinimumContentsLength(30);
 333             qc->setMaxVisibleItems(8);
 334
 335             if (t != NULL)
 336                 qc->setEditText(str_to_qstring(t));
 337
 338             qlist[n] = qc;
 339
 340             if ((h = mpdm_hget_s(w, L"history")) != NULL) {
 341                 int i;
 342
 343                 /* has history; fill it */
 344                 h = mp_get_history(h);
 345
 346                 for (i = mpdm_size(h) - 1; i >= 0; i--)
 347                     qc->addItem(str_to_qstring(mpdm_aget(h, i)));
 348             }
 349
 350             /* select all the editable field */
 351             qc->lineEdit()->selectAll();
 352
 353             fl->addRow(ql, qc);
 354         }
 355         else
 356         if (wcscmp(type, L"password") == 0) {
 357             QLineEdit *qe = new QLineEdit();
 358
 359             qe->setEchoMode(QLineEdit::Password);
 360
 361             qlist[n] = qe;
 362
 363             fl->addRow(ql, qe);
 364         }
 365         else
 366         if (wcscmp(type, L"checkbox") == 0) {
 367             QCheckBox *qc = new QCheckBox();
 368
 369             if (mpdm_ival(t))
 370                 qc->setCheckState(Qt::Checked);
 371
 372             qlist[n] = qc;
 373
 374             fl->addRow(ql, qc);
 375         }
 376         else
 377         if (wcscmp(type, L"list") == 0) {
 378             int i;
 379             QListWidget *qlw = new QListWidget();
 380             qlw->setMinimumWidth(480);
 381
 382             /* use a monospaced font */
 383             qlw->setFont(QFont(QString("Mono")));
 384
 385             mpdm_t l = mpdm_hget_s(w, L"list");
 386
 387             for (i = 0; i < mpdm_size(l); i++)
 388                 qlw->addItem(str_to_qstring(mpdm_aget(l, i)));
 389
 390             qlw->setCurrentRow(mpdm_ival(t));
 391
 392             qlist[n] = qlw;
 393
 394             fl->addRow(ql, qlw);
 395         }
 396
 397         if (n == 0)
 398             qlist[n]->setFocus(Qt::OtherFocusReason);
 399     }
 400
 401     form->setLayout(fl);
 402
 403     QVBoxLayout *ml = new QVBoxLayout();
 404     ml->addWidget(form);
 405     ml->addWidget(dialog->button_box);
 406
 407     dialog->setLayout(ml);
 408
 409     n = dialog->exec();
 410
 411     if (!n)
 412         return NULL;
 413
 414     r = MPDM_A(mpdm_size(widget_list));
 415     mpdm_ref(r);
 416
 417     /* fill the return values */
 418     for (n = 0; n < mpdm_size(widget_list); n++) {
 419         mpdm_t w = mpdm_aget(widget_list, n);
 420         mpdm_t v = NULL;
 421         wchar_t *type;
 422
 423         type = mpdm_string(mpdm_hget_s(w, L"type"));
 424
 425         if (wcscmp(type, L"text") == 0) {
 426             mpdm_t h;
 427             QComboBox *ql = (QComboBox *) qlist[n];
 428
 429             v = mpdm_ref(qstring_to_str(ql->currentText()));
 430
 431             /* if it has history, add to it */
 432             if ((h = mpdm_hget_s(w, L"history")) != NULL &&
 433                 v != NULL && mpdm_cmp_s(v, L"") != 0) {
 434                 h = mp_get_history(h);
 435
 436                 if (mpdm_cmp(v, mpdm_aget(h, -1)) != 0)
 437                     mpdm_push(h, v);
 438             }
 439
 440             mpdm_unrefnd(v);
 441         }
 442         else
 443         if (wcscmp(type, L"password") == 0) {
 444             QLineEdit *ql = (QLineEdit *) qlist[n];
 445
 446             v = qstring_to_str(ql->text());
 447         }
 448         else
 449         if (wcscmp(type, L"checkbox") == 0) {
 450             QCheckBox *qb = (QCheckBox *) qlist[n];
 451
 452             v = MPDM_I(qb->checkState() == Qt::Checked);
 453         }
 454         else
 455         if (wcscmp(type, L"list") == 0) {
 456             QListWidget *ql = (QListWidget *) qlist[n];
 457
 458             v = MPDM_I(ql->currentRow());
 459         }
 460
 461         mpdm_aset(r, v, n);
 462     }
 463
 464     mpdm_unrefnd(r);
 465
 466     return r;
 467 }
 468
 469
 470 static void register_functions(void)
 471 {
 472     mpdm_t drv;
 473
 474     drv = mpdm_hget_s(mp, L"drv");
 475     mpdm_hset_s(drv, L"main_loop",   MPDM_X(qt4_drv_main_loop));
 476     mpdm_hset_s(drv, L"shutdown",    MPDM_X(qt4_drv_shutdown));
 477     mpdm_hset_s(drv, L"clip_to_sys", MPDM_X(qt4_drv_clip_to_sys));
 478     mpdm_hset_s(drv, L"sys_to_clip", MPDM_X(qt4_drv_sys_to_clip));
 479     mpdm_hset_s(drv, L"update_ui",   MPDM_X(qt4_drv_update_ui));
 480     mpdm_hset_s(drv, L"timer",       MPDM_X(qt4_drv_timer));
 481     mpdm_hset_s(drv, L"busy",        MPDM_X(qt4_drv_busy));
 482     mpdm_hset_s(drv, L"alert",       MPDM_X(qt4_drv_alert));
 483     mpdm_hset_s(drv, L"confirm",     MPDM_X(qt4_drv_confirm));
 484     mpdm_hset_s(drv, L"openfile",    MPDM_X(qt4_drv_openfile));
 485     mpdm_hset_s(drv, L"savefile",    MPDM_X(qt4_drv_savefile));
 486     mpdm_hset_s(drv, L"form",        MPDM_X(qt4_drv_form));
 487 }
 488
 489
 490 static mpdm_t qt4_drv_startup(mpdm_t a, mpdm_t ctxt)
 491 /* driver initialization */
 492 {
 493     register_functions();
 494
 495     build_font(1);
 496     build_colors();
 497
 498     window = new MPWindow();
 499     window->show();
 500
 501     return NULL;
 502 }
 503
 504 extern "C" Display * XOpenDisplay(char *);
 505
 506 extern "C" int qt4_drv_detect(int *argc, char ***argv)
 507 {
 508     mpdm_t drv;
 509     Display *x11_display;
 510     int n;
 511
 512     for (n = 0; n < *argc; n++) {
 513         if (strcmp(argv[0][n], "-txt") == 0 ||
 514             strcmp(argv[0][n], "-h") == 0)
 515             return 0;
 516     }
 517
 518     /* try connecting directly to the Xserver */
 519     if ((x11_display = XOpenDisplay((char *) NULL)) == NULL)
 520         return 0;
 521
 522     /* this is where it crashes if no X server */
 523     app = new QApplication(x11_display);
 524
 525     drv = mpdm_hget_s(mp, L"drv");
 526     mpdm_hset_s(drv, L"id", MPDM_LS(L"qt4"));
 527     mpdm_hset_s(drv, L"startup", MPDM_X(qt4_drv_startup));
 528
 529     return 1;
 530 }
 531
 532 #include "mpv_qt4.moc"