src/gtk/minifram.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        minifram.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "minifram.h"
  12 #endif
  13
  14 #include "wx/minifram.h"
  15
  16 #if wxUSE_MINIFRAME
  17
  18 #include "wx/dcscreen.h"
  19
  20 #include "gtk/gtk.h"
  21 #include "wx/gtk/win_gtk.h"
  22
  23 #include <gdk/gdk.h>
  24 #include <gdk/gdkprivate.h>
  25 #include <gdk/gdkx.h>
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 //-----------------------------------------------------------------------------
  35 // data
  36 //-----------------------------------------------------------------------------
  37
  38 extern bool        g_blockEventsOnDrag;
  39 extern bool        g_blockEventsOnScroll;
  40 extern GtkWidget  *wxGetRootWindow();
  41
  42 //-----------------------------------------------------------------------------
  43 // local functions
  44 //-----------------------------------------------------------------------------
  45
  46 /* draw XOR rectangle when moving mine frame around */
  47
  48 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  49 {
  50     int org_x = 0;
  51     int org_y = 0;
  52     gdk_window_get_origin( widget->window, &org_x, &org_y );
  53     x += org_x;
  54     y += org_y;
  55
  56     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  57     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  58     gdk_gc_set_function( gc, GDK_INVERT );
  59
  60     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  61     gdk_gc_unref( gc );
  62 }
  63
  64 //-----------------------------------------------------------------------------
  65 // "expose_event" of m_mainWidget
  66 //-----------------------------------------------------------------------------
  67
  68 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  69 {
  70     if (g_isIdle) wxapp_install_idle_handler();
  71
  72     if (!win->m_hasVMT) return;
  73     if (gdk_event->count > 0) return;
  74
  75     GtkPizza *pizza = GTK_PIZZA(widget);
  76
  77     gtk_draw_shadow( widget->style,
  78                      pizza->bin_window,
  79                      GTK_STATE_NORMAL,
  80                      GTK_SHADOW_OUT,
  81                      0, 0,
  82                      win->m_width, win->m_height );
  83
  84     if (!win->m_title.IsEmpty() &&
  85         ((win->GetWindowStyle() & wxCAPTION) ||
  86          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  87          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  88     {
  89         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  90         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
  91
  92         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  93         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
  94                             3,
  95                             3,
  96                             win->m_width - 7,
  97                             font->ascent + font->descent+1 );
  98
  99         gdk_gc_set_foreground( gc, &widget->style->fg[GTK_STATE_SELECTED] );
 100         gdk_draw_string( pizza->bin_window, font, gc,
 101                          6,
 102                          3+font->ascent,
 103                          win->m_title.mb_str() );
 104
 105         gdk_gc_unref( gc );
 106     }
 107 }
 108
 109 //-----------------------------------------------------------------------------
 110 // "draw" of m_mainWidget
 111 //-----------------------------------------------------------------------------
 112
 113 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 114 {
 115     if (g_isIdle) wxapp_install_idle_handler();
 116
 117     if (!win->m_hasVMT) return;
 118
 119     GtkPizza *pizza = GTK_PIZZA(widget);
 120
 121     gtk_draw_shadow( widget->style,
 122                      pizza->bin_window,
 123                      GTK_STATE_NORMAL,
 124                      GTK_SHADOW_OUT,
 125                      0, 0,
 126                      win->m_width, win->m_height );
 127
 128     if (!win->m_title.IsEmpty() &&
 129         ((win->GetWindowStyle() & wxCAPTION) ||
 130          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 131          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 132     {
 133         GdkGC *gc = gdk_gc_new( pizza->bin_window );
 134         GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
 135
 136         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 137         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 138                             3,
 139                             3,
 140                             win->m_width - 7,
 141                             font->ascent + font->descent+1 );
 142
 143         gdk_gc_set_foreground( gc, &widget->style->fg[GTK_STATE_SELECTED] );
 144         gdk_draw_string( pizza->bin_window, font, gc,
 145                          6,
 146                          3+font->ascent,
 147                          win->m_title.mb_str() );
 148
 149         gdk_gc_unref( gc );
 150     }
 151 }
 152
 153 //-----------------------------------------------------------------------------
 154 // "button_press_event" of m_mainWidget
 155 //-----------------------------------------------------------------------------
 156
 157 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 158 {
 159     if (g_isIdle) wxapp_install_idle_handler();
 160
 161     if (!win->m_hasVMT) return FALSE;
 162     if (g_blockEventsOnDrag) return TRUE;
 163     if (g_blockEventsOnScroll) return TRUE;
 164
 165     if (win->m_isDragging) return TRUE;
 166
 167     gdk_window_raise( win->m_widget->window );
 168
 169     gdk_pointer_grab( widget->window, FALSE,
 170                       (GdkEventMask)
 171                          (GDK_BUTTON_PRESS_MASK |
 172                           GDK_BUTTON_RELEASE_MASK |
 173                           GDK_POINTER_MOTION_MASK        |
 174                           GDK_POINTER_MOTION_HINT_MASK  |
 175                           GDK_BUTTON_MOTION_MASK        |
 176                           GDK_BUTTON1_MOTION_MASK),
 177                       (GdkWindow *) NULL,
 178                       (GdkCursor *) NULL,
 179                       (unsigned int) GDK_CURRENT_TIME );
 180
 181     win->m_diffX = (int)gdk_event->x;
 182     win->m_diffY = (int)gdk_event->y;
 183     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 184     win->m_oldX = 0;
 185     win->m_oldY = 0;
 186
 187     win->m_isDragging = TRUE;
 188
 189     return TRUE;
 190 }
 191
 192 //-----------------------------------------------------------------------------
 193 // "button_release_event" of m_mainWidget
 194 //-----------------------------------------------------------------------------
 195
 196 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 197 {
 198     if (g_isIdle) wxapp_install_idle_handler();
 199
 200     if (!win->m_hasVMT) return FALSE;
 201     if (g_blockEventsOnDrag) return TRUE;
 202     if (g_blockEventsOnScroll) return TRUE;
 203
 204     if (!win->m_isDragging) return TRUE;
 205
 206     win->m_isDragging = FALSE;
 207
 208     int x = (int)gdk_event->x;
 209     int y = (int)gdk_event->y;
 210
 211     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 212     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 213     int org_x = 0;
 214     int org_y = 0;
 215     gdk_window_get_origin( widget->window, &org_x, &org_y );
 216     x += org_x - win->m_diffX;
 217     y += org_y - win->m_diffY;
 218     win->m_x = x;
 219     win->m_y = y;
 220     gtk_widget_set_uposition( win->m_widget, x, y );
 221
 222     return TRUE;
 223 }
 224
 225 //-----------------------------------------------------------------------------
 226 // "motion_notify_event" of m_mainWidget
 227 //-----------------------------------------------------------------------------
 228
 229 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 230 {
 231     if (g_isIdle) wxapp_install_idle_handler();
 232
 233     if (!win->m_hasVMT) return FALSE;
 234     if (g_blockEventsOnDrag) return TRUE;
 235     if (g_blockEventsOnScroll) return TRUE;
 236
 237     if (!win->m_isDragging) return TRUE;
 238
 239     if (gdk_event->is_hint)
 240     {
 241        int x = 0;
 242        int y = 0;
 243        GdkModifierType state;
 244        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 245        gdk_event->x = x;
 246        gdk_event->y = y;
 247        gdk_event->state = state;
 248     }
 249
 250     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 251     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 252     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 253     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 254
 255     return TRUE;
 256 }
 257
 258 //-----------------------------------------------------------------------------
 259 // "clicked" of X system button
 260 //-----------------------------------------------------------------------------
 261
 262 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 263 {
 264     if (g_isIdle) wxapp_install_idle_handler();
 265
 266     mf->Close();
 267 }
 268
 269 //-----------------------------------------------------------------------------
 270 // wxMiniFrame
 271 //-----------------------------------------------------------------------------
 272
 273 static const char *cross_xpm[] = {
 274 /* columns rows colors chars-per-pixel */
 275 "5 5 16 1",
 276 "  c Gray0",
 277 ". c #bf0000",
 278 "X c #00bf00",
 279 "o c #bfbf00",
 280 "O c #0000bf",
 281 "+ c #bf00bf",
 282 "@ c #00bfbf",
 283 "# c None",
 284 "$ c #808080",
 285 "% c Red",
 286 "& c Green",
 287 "* c Yellow",
 288 "= c Blue",
 289 "- c Magenta",
 290 "; c Cyan",
 291 ": c Gray100",
 292 /* pixels */
 293 " ### ",
 294 "# # #",
 295 "## ##",
 296 "# # #",
 297 " ### ",
 298 };
 299
 300 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 301
 302 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 303       const wxPoint &pos, const wxSize &size,
 304       long style, const wxString &name )
 305 {
 306     style = style | wxCAPTION | wxFRAME_FLOAT_ON_PARENT;
 307
 308     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 309         m_miniTitle = 13;
 310
 311     m_miniEdge = 3;
 312     m_isDragging = FALSE;
 313     m_oldX = -1;
 314     m_oldY = -1;
 315     m_diffX = 0;
 316     m_diffY = 0;
 317
 318     wxFrame::Create( parent, id, title, pos, size, style, name );
 319
 320     if ((style & wxSYSTEM_MENU) &&
 321         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 322     {
 323         GdkBitmap *mask = (GdkBitmap*) NULL;
 324         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 325                             (
 326                                 wxGetRootWindow()->window,
 327                                 &mask,
 328                                 NULL,
 329                                 (char **)cross_xpm
 330                             );
 331
 332         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 333         gdk_bitmap_unref( mask );
 334         gdk_pixmap_unref( pixmap );
 335         gtk_widget_show( pw );
 336
 337         GtkWidget *close_button = gtk_button_new();
 338         gtk_container_add( GTK_CONTAINER(close_button), pw );
 339
 340         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 341                          close_button,
 342                          size.x-16, 4, 11, 11 );
 343
 344         gtk_widget_show( close_button );
 345
 346         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 347           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 348     }
 349
 350     /* these are called when the borders are drawn */
 351     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 352         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 353
 354     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 355        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 356
 357     /* these are required for dragging the mini frame around */
 358     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 359       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 360
 361     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 362       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 363
 364     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 365       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 366
 367     return TRUE;
 368 }
 369
 370 #endif