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
  52 class MPArea : public QWidget
  53 {
  54         Q_OBJECT
  55
  56         public:
  57                 MPArea(QWidget *parent = 0);
  58                 void inputMethodEvent(QInputMethodEvent *event);
  59                 void keyPressEvent(QKeyEvent *event);
  60                 void keyReleaseEvent(QKeyEvent *event);
  61                 void mousePressEvent(QMouseEvent *event);
  62                 void mouseReleaseEvent(QMouseEvent *event);
  63                 void mouseMoveEvent(QMouseEvent *event);
  64                 void wheelEvent(QWheelEvent *event);
  65                 void dragEnterEvent(QDragEnterEvent *event);
  66                 void dropEvent(QDropEvent *event);
  67                 bool event(QEvent *event);
  68
  69         protected:
  70                 void paintEvent(QPaintEvent *event);
  71
  72         public slots:
  73                 void from_scrollbar(int);
  74                 void from_filetabs(int);
  75                 void from_menu(QAction *);
  76 };
  77
  78 /* global data */
  79 QApplication *app;
  80 MPWindow *window;
  81 QMenuBar *menubar;
  82 QStatusBar *statusbar;
  83 QTabBar *file_tabs;
  84
  85 #include "mpv_qk_common.cpp"
  86
  87 static void build_menu(void)
  88 /* builds the menu */
  89 {
  90 }
  91
  92
  93 static void draw_status(void)
  94 {
  95         statusbar->showMessage(str_to_qstring(mp_build_status_line()));
  96 }
  97
  98
  99 /** MPWindow methods **/
 100
 101 MPWindow::MPWindow(QWidget *parent) : QMainWindow(parent)
 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 //      this->setAutoSaveSettings(QLatin1String("MinimumProfit"), true);
 145 }
 146
 147
 148 bool MPWindow::queryExit(void)
 149 {
 150         mp_process_event(MPDM_LS(L"close-window"));
 151
 152 //      this->saveAutoSaveSettings();
 153
 154         return mp_exit_requested ? true : false;
 155 }
 156
 157
 158 bool MPWindow::event(QEvent *event)
 159 {
 160         /* do the processing */
 161         bool r = QWidget::event(event);
 162
 163         if (mp_exit_requested) {
 164 //              this->saveAutoSaveSettings();
 165                 exit(0);
 166         }
 167
 168         return r;
 169 }
 170
 171
 172 /** driver functions **/
 173
 174 static mpdm_t qt4_drv_alert(mpdm_t a)
 175 {
 176         return NULL;
 177 }
 178
 179
 180 static mpdm_t qt4_drv_confirm(mpdm_t a)
 181 {
 182         return NULL;
 183 }
 184
 185
 186 static mpdm_t qt4_drv_openfile(mpdm_t a)
 187 {
 188         QString r;
 189         char tmp[128];
 190
 191         getcwd(tmp, sizeof(tmp));
 192
 193         /* 1# arg: prompt */
 194         r = QFileDialog::getOpenFileName(window,
 195                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 196
 197         return qstring_to_str(r);
 198 }
 199
 200
 201 static mpdm_t qt4_drv_savefile(mpdm_t a)
 202 {
 203         QString r;
 204         char tmp[128];
 205
 206         getcwd(tmp, sizeof(tmp));
 207
 208         /* 1# arg: prompt */
 209         r = QFileDialog::getSaveFileName(window,
 210                 str_to_qstring(mpdm_aget(a, 0)), tmp);
 211
 212         return qstring_to_str(r);
 213 }
 214
 215
 216 static mpdm_t qt4_drv_form(mpdm_t a)
 217 {
 218         return NULL;
 219 }
 220
 221
 222 static void register_functions(void)
 223 {
 224         mpdm_t drv;
 225
 226         drv = mpdm_hget_s(mp, L"drv");
 227         mpdm_hset_s(drv, L"main_loop", MPDM_X(qt4_drv_main_loop));
 228         mpdm_hset_s(drv, L"shutdown", MPDM_X(qt4_drv_shutdown));
 229
 230         mpdm_hset_s(drv, L"clip_to_sys", MPDM_X(qt4_drv_clip_to_sys));
 231         mpdm_hset_s(drv, L"sys_to_clip", MPDM_X(qt4_drv_sys_to_clip));
 232         mpdm_hset_s(drv, L"update_ui", MPDM_X(qt4_drv_update_ui));
 233 /*      mpdm_hset_s(drv, L"timer", MPDM_X(qt4_drv_timer));*/
 234         mpdm_hset_s(drv, L"busy", MPDM_X(qt4_drv_busy));
 235
 236         mpdm_hset_s(drv, L"alert", MPDM_X(qt4_drv_alert));
 237         mpdm_hset_s(drv, L"confirm", MPDM_X(qt4_drv_confirm));
 238         mpdm_hset_s(drv, L"openfile", MPDM_X(qt4_drv_openfile));
 239         mpdm_hset_s(drv, L"savefile", MPDM_X(qt4_drv_savefile));
 240         mpdm_hset_s(drv, L"form", MPDM_X(qt4_drv_form));
 241 }
 242
 243
 244 static mpdm_t qt4_drv_startup(mpdm_t a)
 245 /* driver initialization */
 246 {
 247         register_functions();
 248
 249         build_font(1);
 250         build_colors();
 251
 252         window = new MPWindow();
 253         window->show();
 254
 255         return NULL;
 256 }
 257
 258 extern "C" Display *XOpenDisplay(char *);
 259
 260 extern "C" int qt4_drv_detect(int * argc, char *** argv)
 261 {
 262         mpdm_t drv;
 263         Display *x11_display;
 264
 265         /* try connecting directly to the Xserver */
 266         if ((x11_display = XOpenDisplay((char *)NULL)) == NULL)
 267                 return 0;
 268
 269         /* this is where it crashes if no X server */
 270         app = new QApplication(x11_display);
 271
 272         drv = mpdm_hget_s(mp, L"drv");
 273         mpdm_hset_s(drv, L"id", MPDM_LS(L"qt4"));
 274         mpdm_hset_s(drv, L"startup", MPDM_X(qt4_drv_startup));
 275
 276         return 1;
 277 }
 278
 279 #include "mpv_qt4.moc"