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 QTabBar *file_tabs;
  86
  87 #define MENU_CLASS QMenu
  88
  89 #include "mpv_qk_common.cpp"
  90
  91 static void draw_status(void)
  92 {
  93         statusbar->showMessage(str_to_qstring(mp_build_status_line()));
  94 }
  95
  96
  97 /** MPWindow methods **/
  98
  99 MPWindow::MPWindow(QWidget *parent) : QMainWindow(parent)
 100 {
 101         setWindowTitle("MP " VERSION);
 102
 103         menubar = this->menuBar();
 104         build_menu();
 105
 106         statusbar = this->statusBar();
 107
 108         /* the full container */
 109         QVBoxLayout *vb = new QVBoxLayout(this);
 110
 111         file_tabs = new QTabBar();
 112         file_tabs->setFocusPolicy(Qt::NoFocus);
 113
 114         QHBoxLayout *hb = new QHBoxLayout();
 115
 116         /* main area */
 117         area = new MPArea();
 118         scrollbar = new QScrollBar();
 119         scrollbar->setFocusPolicy(Qt::NoFocus);
 120
 121         hb->addWidget(area);
 122         hb->addWidget(scrollbar);
 123         QWidget *cc = new QWidget();
 124         cc->setLayout(hb);
 125
 126         vb->addWidget(file_tabs);
 127         vb->addWidget(cc);
 128         QWidget *mc = new QWidget();
 129         mc->setLayout(vb);
 130
 131         setCentralWidget(mc);
 132
 133         connect(scrollbar, SIGNAL(valueChanged(int)),
 134                 area, SLOT(from_scrollbar(int)));
 135
 136         connect(file_tabs, SIGNAL(currentChanged(int)),
 137                 area, SLOT(from_filetabs(int)));
 138
 139         connect(menubar, SIGNAL(triggered(QAction *)),
 140                 area, SLOT(from_menu(QAction *)));
 141
 142         this->setWindowIcon(QIcon(QPixmap(mp_xpm)));
 143
 144         settings = new QSettings("triptico.com", "MinimumProfit");
 145
 146         QPoint pos = settings->value("pos", QPoint(20, 20)).toPoint();
 147         QSize size = settings->value("size", QSize(600, 400)).toSize();
 148
 149         move(pos);
 150         resize(size);
 151 }
 152
 153
 154 static void save_settings(MPWindow *w)
 155 {
 156         w->settings->setValue("pos", w->pos());
 157         w->settings->setValue("size", w->size());
 158         w->settings->sync();
 159 }
 160
 161
 162 bool MPWindow::queryExit(void)
 163 {
 164         mp_process_event(MPDM_LS(L"close-window"));
 165
 166         save_settings(this);
 167
 168         return mp_exit_requested ? true : false;
 169 }
 170
 171
 172 bool MPWindow::event(QEvent *event)
 173 {
 174         /* do the processing */
 175         bool r = QWidget::event(event);
 176
 177         if (mp_exit_requested) {
 178                 save_settings(this);
 179                 exit(0);
 180         }
 181
 182         return r;
 183 }
 184
 185
 186 /** driver functions **/
 187
 188 static mpdm_t qt4_drv_alert(mpdm_t a)
 189 {
 190         return NULL;
 191 }
 192
 193
 194 static mpdm_t qt4_drv_confirm(mpdm_t a)
 195 {
 196         return NULL;
 197 }
 198
 199
 200 static mpdm_t qt4_drv_openfile(mpdm_t a)
 201 {
 202         QString r;
 203         char tmp[128];
 204
 205         getcwd(tmp, sizeof(tmp));
 206
 207         /* 1# arg: prompt */
 208         r = QFileDialog::getOpenFileName(window,
 209                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 210
 211         return qstring_to_str(r);
 212 }
 213
 214
 215 static mpdm_t qt4_drv_savefile(mpdm_t a)
 216 {
 217         QString r;
 218         char tmp[128];
 219
 220         getcwd(tmp, sizeof(tmp));
 221
 222         /* 1# arg: prompt */
 223         r = QFileDialog::getSaveFileName(window,
 224                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 225
 226         return qstring_to_str(r);
 227 }
 228
 229
 230 static mpdm_t qt4_drv_form(mpdm_t a)
 231 {
 232         return NULL;
 233 }
 234
 235
 236 static void register_functions(void)
 237 {
 238         mpdm_t drv;
 239
 240         drv = mpdm_hget_s(mp, L"drv");
 241         mpdm_hset_s(drv, L"main_loop", MPDM_X(qt4_drv_main_loop));
 242         mpdm_hset_s(drv, L"shutdown", MPDM_X(qt4_drv_shutdown));
 243
 244         mpdm_hset_s(drv, L"clip_to_sys", MPDM_X(qt4_drv_clip_to_sys));
 245         mpdm_hset_s(drv, L"sys_to_clip", MPDM_X(qt4_drv_sys_to_clip));
 246         mpdm_hset_s(drv, L"update_ui", MPDM_X(qt4_drv_update_ui));
 247 /*      mpdm_hset_s(drv, L"timer", MPDM_X(qt4_drv_timer));*/
 248         mpdm_hset_s(drv, L"busy", MPDM_X(qt4_drv_busy));
 249
 250         mpdm_hset_s(drv, L"alert", MPDM_X(qt4_drv_alert));
 251         mpdm_hset_s(drv, L"confirm", MPDM_X(qt4_drv_confirm));
 252         mpdm_hset_s(drv, L"openfile", MPDM_X(qt4_drv_openfile));
 253         mpdm_hset_s(drv, L"savefile", MPDM_X(qt4_drv_savefile));
 254         mpdm_hset_s(drv, L"form", MPDM_X(qt4_drv_form));
 255 }
 256
 257
 258 static mpdm_t qt4_drv_startup(mpdm_t a)
 259 /* driver initialization */
 260 {
 261         register_functions();
 262
 263         build_font(1);
 264         build_colors();
 265
 266         window = new MPWindow();
 267         window->show();
 268
 269         return NULL;
 270 }
 271
 272 extern "C" Display *XOpenDisplay(char *);
 273
 274 extern "C" int qt4_drv_detect(int * argc, char *** argv)
 275 {
 276         mpdm_t drv;
 277         Display *x11_display;
 278
 279         /* try connecting directly to the Xserver */
 280         if ((x11_display = XOpenDisplay((char *)NULL)) == NULL)
 281                 return 0;
 282
 283         /* this is where it crashes if no X server */
 284         app = new QApplication(x11_display);
 285
 286         drv = mpdm_hget_s(mp, L"drv");
 287         mpdm_hset_s(drv, L"id", MPDM_LS(L"qt4"));
 288         mpdm_hset_s(drv, L"startup", MPDM_X(qt4_drv_startup));
 289
 290         return 1;
 291 }
 292
 293 #include "mpv_qt4.moc"